Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2 | * Stream management functions. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3 | * |
Willy Tarreau | d28c353 | 2012-04-19 19:28:33 +0200 | [diff] [blame] | 4 | * Copyright 2000-2012 Willy Tarreau <w@1wt.eu> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <stdlib.h> |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 14 | #include <unistd.h> |
| 15 | #include <fcntl.h> |
Willy Tarreau | e3ba5f0 | 2006-06-29 18:54:54 +0200 | [diff] [blame] | 16 | |
| 17 | #include <common/config.h> |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 18 | #include <common/buffer.h> |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 19 | #include <common/debug.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 20 | #include <common/memory.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 21 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 22 | #include <types/capture.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 23 | #include <types/global.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 24 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 25 | #include <proto/acl.h> |
Willy Tarreau | 61612d4 | 2012-04-19 18:42:05 +0200 | [diff] [blame] | 26 | #include <proto/arg.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 27 | #include <proto/backend.h> |
Willy Tarreau | c7e4238 | 2012-08-24 19:22:53 +0200 | [diff] [blame] | 28 | #include <proto/channel.h> |
Krzysztof Piotr Oledzki | 97f07b8 | 2009-12-15 22:31:24 +0100 | [diff] [blame] | 29 | #include <proto/checks.h> |
Willy Tarreau | d2274c6 | 2012-07-06 14:29:45 +0200 | [diff] [blame] | 30 | #include <proto/connection.h> |
Willy Tarreau | 5ca791d | 2009-08-16 19:06:42 +0200 | [diff] [blame] | 31 | #include <proto/dumpstats.h> |
Willy Tarreau | dd2f85e | 2012-09-02 22:34:23 +0200 | [diff] [blame] | 32 | #include <proto/fd.h> |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 33 | #include <proto/freq_ctr.h> |
Willy Tarreau | 3041b9f | 2010-10-15 23:25:20 +0200 | [diff] [blame] | 34 | #include <proto/frontend.h> |
Willy Tarreau | 8d5d7f2 | 2007-01-21 19:16:41 +0100 | [diff] [blame] | 35 | #include <proto/hdr_idx.h> |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 36 | #include <proto/hlua.h> |
Willy Tarreau | d1d5454 | 2012-09-12 22:58:11 +0200 | [diff] [blame] | 37 | #include <proto/listener.h> |
Willy Tarreau | 332f8bf | 2007-05-13 21:36:56 +0200 | [diff] [blame] | 38 | #include <proto/log.h> |
Willy Tarreau | cbaaec4 | 2012-09-06 11:32:07 +0200 | [diff] [blame] | 39 | #include <proto/raw_sock.h> |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 40 | #include <proto/session.h> |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 41 | #include <proto/stream.h> |
Willy Tarreau | 3eba98a | 2009-01-25 13:56:13 +0100 | [diff] [blame] | 42 | #include <proto/pipe.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 43 | #include <proto/proto_http.h> |
| 44 | #include <proto/proto_tcp.h> |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 45 | #include <proto/proxy.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 46 | #include <proto/queue.h> |
Willy Tarreau | 7f062c4 | 2009-03-05 18:43:00 +0100 | [diff] [blame] | 47 | #include <proto/server.h> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 48 | #include <proto/sample.h> |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 49 | #include <proto/stick_table.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 50 | #include <proto/stream_interface.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 51 | #include <proto/task.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 52 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 53 | struct pool_head *pool2_stream; |
| 54 | struct list streams; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 55 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 56 | /* list of streams waiting for at least one buffer */ |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 57 | struct list buffer_wq = LIST_HEAD_INIT(buffer_wq); |
| 58 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 59 | static int conn_stream_complete(struct connection *conn); |
| 60 | static int conn_stream_update(struct connection *conn); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 61 | static struct task *expire_mini_session(struct task *t); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 62 | int stream_complete(struct stream *s); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 63 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 64 | /* data layer callbacks for an embryonic stream */ |
Willy Tarreau | 5e75e27 | 2012-10-02 21:21:20 +0200 | [diff] [blame] | 65 | struct data_cb sess_conn_cb = { |
| 66 | .recv = NULL, |
| 67 | .send = NULL, |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 68 | .wake = conn_stream_update, |
| 69 | .init = conn_stream_complete, |
Willy Tarreau | 5e75e27 | 2012-10-02 21:21:20 +0200 | [diff] [blame] | 70 | }; |
| 71 | |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 72 | /* This function is called from the protocol layer accept() in order to |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 73 | * instanciate a new embryonic stream on behalf of a given listener and |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 74 | * frontend. It returns a positive value upon success, 0 if the connection |
| 75 | * can be ignored, or a negative value upon critical failure. The accepted |
| 76 | * file descriptor is closed if we return <= 0. |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 77 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 78 | int stream_accept(struct listener *l, int cfd, struct sockaddr_storage *addr) |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 79 | { |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 80 | struct connection *cli_conn; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 81 | struct proxy *p = l->frontend; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 82 | struct stream *s; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 83 | struct task *t; |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 84 | int ret; |
| 85 | |
| 86 | |
| 87 | ret = -1; /* assume unrecoverable error by default */ |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 88 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 89 | if (unlikely((cli_conn = conn_new()) == NULL)) |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 90 | goto out_close; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 91 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 92 | conn_prepare(cli_conn, l->proto, l->xprt); |
Willy Tarreau | f2943dc | 2012-10-26 20:10:28 +0200 | [diff] [blame] | 93 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 94 | cli_conn->t.sock.fd = cfd; |
| 95 | cli_conn->addr.from = *addr; |
| 96 | cli_conn->flags |= CO_FL_ADDR_FROM_SET; |
| 97 | cli_conn->target = &l->obj_type; |
KOVACS Krisztian | b3e54fe | 2014-11-17 15:11:45 +0100 | [diff] [blame] | 98 | cli_conn->proxy_netns = l->netns; |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 99 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 100 | if (unlikely((s = pool_alloc2(pool2_stream)) == NULL)) |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 101 | goto out_free_conn; |
Willy Tarreau | f2943dc | 2012-10-26 20:10:28 +0200 | [diff] [blame] | 102 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 103 | /* minimum stream initialization required for an embryonic stream is |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 104 | * fairly low. We need very little to execute L4 ACLs, then we need a |
| 105 | * task to make the client-side connection live on its own. |
| 106 | * - flags |
| 107 | * - stick-entry tracking |
| 108 | */ |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 109 | s->flags = 0; |
| 110 | s->logs.logwait = p->to_log; |
Willy Tarreau | 9a355ec | 2013-06-11 17:45:46 +0200 | [diff] [blame] | 111 | s->logs.level = 0; |
Willy Tarreau | d5ca9ab | 2013-05-28 17:40:25 +0200 | [diff] [blame] | 112 | |
Thierry FOURNIER | bc4c1ac | 2015-02-25 13:36:14 +0100 | [diff] [blame] | 113 | /* Initialise the current rule list pointer to NULL. We are sure that |
| 114 | * any rulelist match the NULL pointer. |
| 115 | */ |
| 116 | s->current_rule_list = NULL; |
| 117 | |
Willy Tarreau | d5ca9ab | 2013-05-28 17:40:25 +0200 | [diff] [blame] | 118 | memset(s->stkctr, 0, sizeof(s->stkctr)); |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 119 | |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 120 | s->sess = pool_alloc2(pool2_session); |
| 121 | if (!s->sess) |
| 122 | goto out_free_stream; |
| 123 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 124 | s->sess->listener = l; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 125 | s->sess->fe = p; |
Willy Tarreau | 40606ab | 2015-04-03 18:08:29 +0200 | [diff] [blame] | 126 | s->sess->origin = &cli_conn->obj_type; |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 127 | |
Willy Tarreau | a5f5d8d | 2014-11-28 11:26:07 +0100 | [diff] [blame] | 128 | s->si[0].flags = SI_FL_NONE; |
| 129 | s->si[1].flags = SI_FL_ISBACK; |
| 130 | |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 131 | /* On a mini-session, the connection is directly attached to the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 132 | * stream's target so that we don't need to initialize the stream |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 133 | * interfaces. Another benefit is that it's easy to detect a mini- |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 134 | * stream in dumps using this : it's the only one which has a |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 135 | * connection in s->target. |
| 136 | */ |
| 137 | s->target = &cli_conn->obj_type; |
| 138 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 139 | s->logs.accept_date = date; /* user-visible date for logging */ |
| 140 | s->logs.tv_accept = now; /* corrected date for internal use */ |
Willy Tarreau | 1f0da24 | 2014-01-25 11:01:50 +0100 | [diff] [blame] | 141 | s->uniq_id = global.req_count++; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 142 | p->feconn++; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 143 | /* This stream was accepted, count it now */ |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 144 | if (p->feconn > p->fe_counters.conn_max) |
| 145 | p->fe_counters.conn_max = p->feconn; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 146 | |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 147 | proxy_inc_fe_conn_ctr(l, p); |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 148 | |
Willy Tarreau | 59e3ff4 | 2013-12-16 02:16:50 +0100 | [diff] [blame] | 149 | /* Add the minimum callbacks to prepare the connection's control layer. |
| 150 | * We need this so that we can safely execute the ACLs used by the |
| 151 | * "tcp-request connection" ruleset. We also carefully attach the |
| 152 | * connection to the stream interface without initializing the rest, |
| 153 | * so that ACLs can use si[0]->end. |
| 154 | */ |
| 155 | si_attach_conn(&s->si[0], cli_conn); |
| 156 | conn_attach(cli_conn, s, &sess_conn_cb); |
| 157 | conn_ctrl_init(cli_conn); |
| 158 | |
Willy Tarreau | 2cff2f7 | 2013-12-16 10:12:54 +0100 | [diff] [blame] | 159 | /* now evaluate the tcp-request layer4 rules. Since we expect to be able |
| 160 | * to abort right here as soon as possible, we check the rules before |
| 161 | * even initializing the stream interfaces. |
| 162 | */ |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 163 | if ((l->options & LI_O_TCP_RULES) && !tcp_exec_req_rules(s)) { |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 164 | /* let's do a no-linger now to close with a single RST. */ |
| 165 | setsockopt(cfd, SOL_SOCKET, SO_LINGER, (struct linger *) &nolinger, sizeof(struct linger)); |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 166 | ret = 0; /* successful termination */ |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 167 | goto out_free_session; |
| 168 | } |
| 169 | |
Willy Tarreau | 82569f9 | 2012-09-27 23:48:56 +0200 | [diff] [blame] | 170 | /* monitor-net and health mode are processed immediately after TCP |
| 171 | * connection rules. This way it's possible to block them, but they |
| 172 | * never use the lower data layers, they send directly over the socket, |
| 173 | * as they were designed for. We first flush the socket receive buffer |
| 174 | * in order to avoid emission of an RST by the system. We ignore any |
| 175 | * error. |
| 176 | */ |
| 177 | if (unlikely((p->mode == PR_MODE_HEALTH) || |
| 178 | ((l->options & LI_O_CHK_MONNET) && |
| 179 | addr->ss_family == AF_INET && |
| 180 | (((struct sockaddr_in *)addr)->sin_addr.s_addr & p->mon_mask.s_addr) == p->mon_net.s_addr))) { |
| 181 | /* we have 4 possibilities here : |
| 182 | * - HTTP mode, from monitoring address => send "HTTP/1.0 200 OK" |
| 183 | * - HEALTH mode with HTTP check => send "HTTP/1.0 200 OK" |
| 184 | * - HEALTH mode without HTTP check => just send "OK" |
| 185 | * - TCP mode from monitoring address => just close |
| 186 | */ |
Willy Tarreau | 2b57cb8 | 2013-06-10 19:56:38 +0200 | [diff] [blame] | 187 | if (l->proto->drain) |
| 188 | l->proto->drain(cfd); |
Willy Tarreau | 82569f9 | 2012-09-27 23:48:56 +0200 | [diff] [blame] | 189 | if (p->mode == PR_MODE_HTTP || |
| 190 | (p->mode == PR_MODE_HEALTH && (p->options2 & PR_O2_CHK_ANY) == PR_O2_HTTP_CHK)) |
| 191 | send(cfd, "HTTP/1.0 200 OK\r\n\r\n", 19, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_MORE); |
| 192 | else if (p->mode == PR_MODE_HEALTH) |
| 193 | send(cfd, "OK\n", 3, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_MORE); |
| 194 | ret = 0; |
| 195 | goto out_free_session; |
| 196 | } |
| 197 | |
Willy Tarreau | 22cda21 | 2012-08-31 17:43:29 +0200 | [diff] [blame] | 198 | /* wait for a PROXY protocol header */ |
| 199 | if (l->options & LI_O_ACC_PROXY) { |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 200 | cli_conn->flags |= CO_FL_ACCEPT_PROXY; |
| 201 | conn_sock_want_recv(cli_conn); |
Willy Tarreau | 22cda21 | 2012-08-31 17:43:29 +0200 | [diff] [blame] | 202 | } |
| 203 | |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 204 | if (unlikely((t = task_new()) == NULL)) |
| 205 | goto out_free_session; |
| 206 | |
| 207 | t->context = s; |
| 208 | t->nice = l->nice; |
| 209 | s->task = t; |
| 210 | |
Willy Tarreau | 59e3ff4 | 2013-12-16 02:16:50 +0100 | [diff] [blame] | 211 | /* Finish setting the callbacks. Right now the transport layer is present |
Willy Tarreau | f7bc57c | 2012-10-03 00:19:48 +0200 | [diff] [blame] | 212 | * but not initialized. Also note we need to be careful as the stream |
| 213 | * int is not initialized yet. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 214 | */ |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 215 | conn_data_want_recv(cli_conn); |
| 216 | if (conn_xprt_init(cli_conn) < 0) |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 217 | goto out_free_task; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 218 | |
| 219 | /* OK, now either we have a pending handshake to execute with and |
| 220 | * then we must return to the I/O layer, or we can proceed with the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 221 | * end of the stream initialization. In case of handshake, we also |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 222 | * set the I/O timeout to the frontend's client timeout. |
| 223 | */ |
| 224 | |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 225 | if (cli_conn->flags & CO_FL_HANDSHAKE) { |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 226 | t->process = expire_mini_session; |
| 227 | t->expire = tick_add_ifset(now_ms, p->timeout.client); |
| 228 | task_queue(t); |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 229 | cli_conn->flags |= CO_FL_INIT_DATA | CO_FL_WAKE_DATA; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 230 | return 1; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 231 | } |
| 232 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 233 | /* OK let's complete stream initialization since there is no handshake */ |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 234 | cli_conn->flags |= CO_FL_CONNECTED; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 235 | ret = stream_complete(s); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 236 | if (ret > 0) |
| 237 | return ret; |
| 238 | |
| 239 | /* Error unrolling */ |
| 240 | out_free_task: |
| 241 | task_free(t); |
| 242 | out_free_session: |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 243 | pool_free2(pool2_session, s->sess); |
| 244 | out_free_stream: |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 245 | p->feconn--; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 246 | stream_store_counters(s); |
| 247 | pool_free2(pool2_stream, s); |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 248 | out_free_conn: |
| 249 | cli_conn->flags &= ~CO_FL_XPRT_TRACKED; |
| 250 | conn_xprt_close(cli_conn); |
| 251 | conn_free(cli_conn); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 252 | out_close: |
Willy Tarreau | f7bc57c | 2012-10-03 00:19:48 +0200 | [diff] [blame] | 253 | if (ret < 0 && l->xprt == &raw_sock && p->mode == PR_MODE_HTTP) { |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 254 | /* critical error, no more memory, try to emit a 500 response */ |
Willy Tarreau | 05bf5e1 | 2013-10-20 23:10:28 +0200 | [diff] [blame] | 255 | struct chunk *err_msg = &p->errmsg[HTTP_ERR_500]; |
| 256 | if (!err_msg->str) |
| 257 | err_msg = &http_err_chunks[HTTP_ERR_500]; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 258 | send(cfd, err_msg->str, err_msg->len, MSG_DONTWAIT|MSG_NOSIGNAL); |
| 259 | } |
| 260 | |
| 261 | if (fdtab[cfd].owner) |
| 262 | fd_delete(cfd); |
| 263 | else |
| 264 | close(cfd); |
| 265 | return ret; |
| 266 | } |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 267 | |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 268 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 269 | /* prepare the trash with a log prefix for stream <s>. It only works with |
| 270 | * embryonic streams based on a real connection. This function requires that |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 271 | * at s->target still points to the incoming connection. |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 272 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 273 | static void prepare_mini_sess_log_prefix(struct stream *s) |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 274 | { |
| 275 | struct tm tm; |
| 276 | char pn[INET6_ADDRSTRLEN]; |
| 277 | int ret; |
| 278 | char *end; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 279 | struct session *sess = s->sess; |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 280 | struct connection *cli_conn = __objt_conn(s->target); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 281 | |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 282 | ret = addr_to_str(&cli_conn->addr.from, pn, sizeof(pn)); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 283 | if (ret <= 0) |
| 284 | chunk_printf(&trash, "unknown ["); |
| 285 | else if (ret == AF_UNIX) |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 286 | chunk_printf(&trash, "%s:%d [", pn, sess->listener->luid); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 287 | else |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 288 | chunk_printf(&trash, "%s:%d [", pn, get_host_port(&cli_conn->addr.from)); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 289 | |
| 290 | get_localtime(s->logs.accept_date.tv_sec, &tm); |
| 291 | end = date2str_log(trash.str + trash.len, &tm, &(s->logs.accept_date), trash.size - trash.len); |
| 292 | trash.len = end - trash.str; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 293 | if (sess->listener->name) |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 294 | chunk_appendf(&trash, "] %s/%s", sess->fe->id, sess->listener->name); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 295 | else |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 296 | chunk_appendf(&trash, "] %s/%d", sess->fe->id, sess->listener->luid); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 297 | } |
| 298 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 299 | /* This function kills an existing embryonic stream. It stops the connection's |
Willy Tarreau | f7bc57c | 2012-10-03 00:19:48 +0200 | [diff] [blame] | 300 | * transport layer, releases assigned resources, resumes the listener if it was |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 301 | * disabled and finally kills the file descriptor. This function requires that |
| 302 | * at s->target still points to the incoming connection. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 303 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 304 | static void kill_mini_session(struct stream *s) |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 305 | { |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 306 | int level = LOG_INFO; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 307 | struct session *sess = s->sess; |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 308 | struct connection *conn = __objt_conn(s->target); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 309 | unsigned int log = s->logs.logwait; |
| 310 | const char *err_msg; |
| 311 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 312 | if (sess->fe->options2 & PR_O2_LOGERRORS) |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 313 | level = LOG_ERR; |
| 314 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 315 | if (log && (sess->fe->options & PR_O_NULLNOLOG)) { |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 316 | /* with "option dontlognull", we don't log connections with no transfer */ |
Willy Tarreau | 8e3bf69 | 2012-12-03 15:41:18 +0100 | [diff] [blame] | 317 | if (!conn->err_code || |
Willy Tarreau | 20879a0 | 2012-12-03 16:32:10 +0100 | [diff] [blame] | 318 | conn->err_code == CO_ER_PRX_EMPTY || conn->err_code == CO_ER_PRX_ABORT || |
| 319 | conn->err_code == CO_ER_SSL_EMPTY || conn->err_code == CO_ER_SSL_ABORT) |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 320 | log = 0; |
| 321 | } |
| 322 | |
| 323 | if (log) { |
| 324 | if (!conn->err_code && (s->task->state & TASK_WOKEN_TIMER)) { |
| 325 | if (conn->flags & CO_FL_ACCEPT_PROXY) |
| 326 | conn->err_code = CO_ER_PRX_TIMEOUT; |
| 327 | else if (conn->flags & CO_FL_SSL_WAIT_HS) |
| 328 | conn->err_code = CO_ER_SSL_TIMEOUT; |
| 329 | } |
| 330 | |
| 331 | prepare_mini_sess_log_prefix(s); |
| 332 | err_msg = conn_err_code_str(conn); |
| 333 | if (err_msg) |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 334 | send_log(sess->fe, level, "%s: %s\n", trash.str, err_msg); |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 335 | else |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 336 | send_log(sess->fe, level, "%s: unknown connection error (code=%d flags=%08x)\n", |
Willy Tarreau | 0af2912 | 2012-12-03 15:35:00 +0100 | [diff] [blame] | 337 | trash.str, conn->err_code, conn->flags); |
| 338 | } |
| 339 | |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 340 | /* kill the connection now */ |
Willy Tarreau | f79c817 | 2013-10-21 16:30:56 +0200 | [diff] [blame] | 341 | conn_force_close(conn); |
Willy Tarreau | a23ee3a | 2014-02-05 00:18:47 +0100 | [diff] [blame] | 342 | conn_free(conn); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 343 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 344 | sess->fe->feconn--; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 345 | stream_store_counters(s); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 346 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 347 | if (!(sess->listener->options & LI_O_UNLIMITED)) |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 348 | actconn--; |
| 349 | jobs--; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 350 | sess->listener->nbconn--; |
| 351 | if (sess->listener->state == LI_FULL) |
| 352 | resume_listener(sess->listener); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 353 | |
| 354 | /* Dequeues all of the listeners waiting for a resource */ |
| 355 | if (!LIST_ISEMPTY(&global_listener_queue)) |
| 356 | dequeue_all_listeners(&global_listener_queue); |
| 357 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 358 | if (!LIST_ISEMPTY(&sess->fe->listener_queue) && |
| 359 | (!sess->fe->fe_sps_lim || freq_ctr_remain(&sess->fe->fe_sess_per_sec, sess->fe->fe_sps_lim, 0) > 0)) |
| 360 | dequeue_all_listeners(&sess->fe->listener_queue); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 361 | |
| 362 | task_delete(s->task); |
| 363 | task_free(s->task); |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 364 | /* FIXME: for now we have a 1:1 relation between stream and session so |
| 365 | * the stream must free the session. |
| 366 | */ |
| 367 | pool_free2(pool2_session, s->sess); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 368 | pool_free2(pool2_stream, s); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 369 | } |
| 370 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 371 | /* Finish initializing a stream from a connection, or kills it if the |
Willy Tarreau | 22cda21 | 2012-08-31 17:43:29 +0200 | [diff] [blame] | 372 | * connection shows and error. Returns <0 if the connection was killed. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 373 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 374 | static int conn_stream_complete(struct connection *conn) |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 375 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 376 | struct stream *s = conn->owner; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 377 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 378 | if (!(conn->flags & CO_FL_ERROR) && (stream_complete(s) > 0)) { |
Willy Tarreau | 071e137 | 2012-10-03 01:39:48 +0200 | [diff] [blame] | 379 | conn->flags &= ~CO_FL_INIT_DATA; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | /* kill the connection now */ |
| 384 | kill_mini_session(s); |
| 385 | return -1; |
| 386 | } |
| 387 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 388 | /* Update an embryonic stream status. The connection is killed in case of |
Willy Tarreau | 9683e9a | 2012-10-03 21:17:23 +0200 | [diff] [blame] | 389 | * error, and <0 will be returned. Otherwise it does nothing. |
| 390 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 391 | static int conn_stream_update(struct connection *conn) |
Willy Tarreau | 9683e9a | 2012-10-03 21:17:23 +0200 | [diff] [blame] | 392 | { |
| 393 | if (conn->flags & CO_FL_ERROR) { |
| 394 | kill_mini_session(conn->owner); |
| 395 | return -1; |
| 396 | } |
| 397 | return 0; |
| 398 | } |
| 399 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 400 | /* Manages embryonic streams timeout. It is only called when the timeout |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 401 | * strikes and performs the required cleanup. |
| 402 | */ |
| 403 | static struct task *expire_mini_session(struct task *t) |
| 404 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 405 | struct stream *s = t->context; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 406 | |
| 407 | if (!(t->state & TASK_WOKEN_TIMER)) |
| 408 | return t; |
| 409 | |
| 410 | kill_mini_session(s); |
| 411 | return NULL; |
| 412 | } |
| 413 | |
| 414 | /* This function is called from the I/O handler which detects the end of |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 415 | * handshake, in order to complete initialization of a valid stream. It must |
| 416 | * be called with an embryonic stream. It returns a positive value upon |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 417 | * success, 0 if the connection can be ignored, or a negative value upon |
| 418 | * critical failure. The accepted file descriptor is closed if we return <= 0. |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 419 | * The client-side end point is assumed to be a connection, whose pointer is |
| 420 | * taken from s->target which is assumed to be valid. If the function fails, |
| 421 | * it restores s->target. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 422 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 423 | int stream_complete(struct stream *s) |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 424 | { |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 425 | struct session *sess = s->sess; |
| 426 | struct listener *l = sess->listener; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 427 | struct proxy *p = sess->fe; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 428 | struct task *t = s->task; |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 429 | struct connection *conn = __objt_conn(s->target); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 430 | int ret; |
Willy Tarreau | 20d46a5 | 2012-12-09 15:55:40 +0100 | [diff] [blame] | 431 | int i; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 432 | |
| 433 | ret = -1; /* assume unrecoverable error by default */ |
| 434 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 435 | /* OK, we're keeping the stream, so let's properly initialize the stream */ |
| 436 | LIST_ADDQ(&streams, &s->list); |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 437 | LIST_INIT(&s->back_refs); |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 438 | LIST_INIT(&s->buffer_wait); |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 439 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 440 | s->flags |= SF_INITIALIZED; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 441 | s->unique_id = NULL; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 442 | |
| 443 | t->process = l->handler; |
| 444 | t->context = s; |
| 445 | t->expire = TICK_ETERNITY; |
| 446 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 447 | /* Note: initially, the stream's backend points to the frontend. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 448 | * This changes later when switching rules are executed or |
| 449 | * when the default backend is assigned. |
| 450 | */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 451 | s->be = sess->fe; |
William Lallemand | 82fe75c | 2012-10-23 10:25:10 +0200 | [diff] [blame] | 452 | s->comp_algo = NULL; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 453 | s->req.buf = s->res.buf = NULL; |
Willy Tarreau | cb7dd01 | 2015-04-03 22:16:32 +0200 | [diff] [blame] | 454 | s->req_cap = NULL; |
| 455 | s->res_cap = NULL; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 456 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 457 | /* Let's count a stream now */ |
Willy Tarreau | b36b424 | 2010-06-04 20:59:39 +0200 | [diff] [blame] | 458 | proxy_inc_fe_sess_ctr(l, p); |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 459 | |
Willy Tarreau | b4c8493 | 2013-07-23 19:15:30 +0200 | [diff] [blame] | 460 | for (i = 0; i < MAX_SESS_STKCTR; i++) { |
Willy Tarreau | 9e9879a | 2010-08-06 15:25:22 +0200 | [diff] [blame] | 461 | void *ptr; |
| 462 | |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 463 | if (!stkctr_entry(&s->stkctr[i])) |
Willy Tarreau | 20d46a5 | 2012-12-09 15:55:40 +0100 | [diff] [blame] | 464 | continue; |
| 465 | |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 466 | ptr = stktable_data_ptr(s->stkctr[i].table, stkctr_entry(&s->stkctr[i]), STKTABLE_DT_SESS_CNT); |
Willy Tarreau | 9e9879a | 2010-08-06 15:25:22 +0200 | [diff] [blame] | 467 | if (ptr) |
| 468 | stktable_data_cast(ptr, sess_cnt)++; |
| 469 | |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 470 | ptr = stktable_data_ptr(s->stkctr[i].table, stkctr_entry(&s->stkctr[i]), STKTABLE_DT_SESS_RATE); |
Willy Tarreau | 9e9879a | 2010-08-06 15:25:22 +0200 | [diff] [blame] | 471 | if (ptr) |
| 472 | update_freq_ctr_period(&stktable_data_cast(ptr, sess_rate), |
Willy Tarreau | 20d46a5 | 2012-12-09 15:55:40 +0100 | [diff] [blame] | 473 | s->stkctr[i].table->data_arg[STKTABLE_DT_SESS_RATE].u, 1); |
Willy Tarreau | 9e9879a | 2010-08-06 15:25:22 +0200 | [diff] [blame] | 474 | } |
| 475 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 476 | /* this part should be common with other protocols */ |
Willy Tarreau | 819d332 | 2014-11-28 12:12:34 +0100 | [diff] [blame] | 477 | si_reset(&s->si[0]); |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 478 | si_set_state(&s->si[0], SI_ST_EST); |
| 479 | |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 480 | /* attach the incoming connection to the stream interface now. |
| 481 | * We must do that *before* clearing ->target because we need |
| 482 | * to keep a pointer to the connection in case we have to call |
| 483 | * kill_mini_session(). |
| 484 | */ |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 485 | si_attach_conn(&s->si[0], conn); |
| 486 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 487 | if (likely(sess->fe->options2 & PR_O2_INDEPSTR)) |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 488 | s->si[0].flags |= SI_FL_INDEP_STR; |
| 489 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 490 | /* pre-initialize the other side's stream interface to an INIT state. The |
| 491 | * callbacks will be initialized before attempting to connect. |
| 492 | */ |
Willy Tarreau | 819d332 | 2014-11-28 12:12:34 +0100 | [diff] [blame] | 493 | si_reset(&s->si[1]); |
Willy Tarreau | 2a6e880 | 2013-10-24 15:50:53 +0200 | [diff] [blame] | 494 | si_detach(&s->si[1]); |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 495 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 496 | if (likely(sess->fe->options2 & PR_O2_INDEPSTR)) |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 497 | s->si[1].flags |= SI_FL_INDEP_STR; |
| 498 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 499 | stream_init_srv_conn(s); |
Willy Tarreau | 10b688f | 2015-03-13 16:43:12 +0100 | [diff] [blame] | 500 | s->target = l->default_target; /* used by peers and CLI */ |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 501 | s->pend_pos = NULL; |
| 502 | |
| 503 | /* init store persistence */ |
| 504 | s->store_count = 0; |
| 505 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 506 | channel_init(&s->req); |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 507 | s->req.flags |= CF_READ_ATTACHED; /* the producer is already connected */ |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 508 | |
| 509 | /* activate default analysers enabled for this listener */ |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 510 | s->req.analysers = l->analysers; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 511 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 512 | s->req.wto = TICK_ETERNITY; |
| 513 | s->req.rto = TICK_ETERNITY; |
| 514 | s->req.rex = TICK_ETERNITY; |
| 515 | s->req.wex = TICK_ETERNITY; |
| 516 | s->req.analyse_exp = TICK_ETERNITY; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 517 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 518 | channel_init(&s->res); |
Willy Tarreau | ef573c0 | 2014-11-28 14:17:09 +0100 | [diff] [blame] | 519 | s->res.flags |= CF_ISRESP; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 520 | s->res.analysers = 0; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 521 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 522 | if (sess->fe->options2 & PR_O2_NODELAY) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 523 | s->req.flags |= CF_NEVER_WAIT; |
| 524 | s->res.flags |= CF_NEVER_WAIT; |
Willy Tarreau | 96e3121 | 2011-05-30 18:10:30 +0200 | [diff] [blame] | 525 | } |
| 526 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 527 | s->res.rto = TICK_ETERNITY; |
| 528 | s->res.wto = TICK_ETERNITY; |
| 529 | s->res.rex = TICK_ETERNITY; |
| 530 | s->res.wex = TICK_ETERNITY; |
| 531 | s->res.analyse_exp = TICK_ETERNITY; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 532 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 533 | s->txn = NULL; |
Willy Tarreau | 62f791e | 2012-03-09 11:32:30 +0100 | [diff] [blame] | 534 | |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 535 | HLUA_INIT(&s->hlua); |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 536 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 537 | /* finish initialization of the accepted file descriptor */ |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 538 | conn_data_want_recv(conn); |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 539 | |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 540 | if (p->accept && (ret = p->accept(s)) <= 0) { |
| 541 | /* Either we had an unrecoverable error (<0) or work is |
| 542 | * finished (=0, eg: monitoring), in both situations, |
| 543 | * we can release everything and close. |
| 544 | */ |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 545 | goto out_free_strm; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 546 | } |
| 547 | |
Willy Tarreau | 93dbc2b | 2012-10-12 18:01:49 +0200 | [diff] [blame] | 548 | /* if logs require transport layer information, note it on the connection */ |
| 549 | if (s->logs.logwait & LW_XPRT) |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 550 | conn->flags |= CO_FL_XPRT_TRACKED; |
Willy Tarreau | 93dbc2b | 2012-10-12 18:01:49 +0200 | [diff] [blame] | 551 | |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 552 | /* we want the connection handler to notify the stream interface about updates. */ |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 553 | conn->flags |= CO_FL_WAKE_DATA; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 554 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 555 | /* it is important not to call the wakeup function directly but to |
| 556 | * pass through task_wakeup(), because this one knows how to apply |
| 557 | * priorities to tasks. |
| 558 | */ |
| 559 | task_wakeup(t, TASK_WOKEN_INIT); |
| 560 | return 1; |
| 561 | |
| 562 | /* Error unrolling */ |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 563 | out_free_strm: |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 564 | /* and restore the connection pointer in case we destroyed it, |
| 565 | * because kill_mini_session() will need it. |
| 566 | */ |
Willy Tarreau | 3b24641 | 2014-11-25 17:10:33 +0100 | [diff] [blame] | 567 | LIST_DEL(&s->list); |
Willy Tarreau | b4f9809 | 2014-05-08 21:06:11 +0200 | [diff] [blame] | 568 | s->target = &conn->obj_type; |
Willy Tarreau | abe8ea5 | 2010-11-11 10:56:04 +0100 | [diff] [blame] | 569 | return ret; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 570 | } |
| 571 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 572 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 573 | * frees the context associated to a stream. It must have been removed first. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 574 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 575 | static void stream_free(struct stream *s) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 576 | { |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 577 | struct session *sess = strm_sess(s); |
| 578 | struct proxy *fe = sess->fe; |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 579 | struct bref *bref, *back; |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 580 | struct connection *cli_conn = objt_conn(sess->origin); |
Willy Tarreau | a4cda67 | 2010-06-06 18:28:49 +0200 | [diff] [blame] | 581 | int i; |
Willy Tarreau | 0f7562b | 2007-01-07 15:46:13 +0100 | [diff] [blame] | 582 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 583 | if (s->pend_pos) |
| 584 | pendconn_free(s->pend_pos); |
Willy Tarreau | 922a806 | 2008-12-04 09:33:58 +0100 | [diff] [blame] | 585 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 586 | if (objt_server(s->target)) { /* there may be requests left pending in queue */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 587 | if (s->flags & SF_CURR_SESS) { |
| 588 | s->flags &= ~SF_CURR_SESS; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 589 | objt_server(s->target)->cur_sess--; |
Willy Tarreau | 1e62de6 | 2008-11-11 20:20:02 +0100 | [diff] [blame] | 590 | } |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 591 | if (may_dequeue_tasks(objt_server(s->target), s->be)) |
| 592 | process_srv_queue(objt_server(s->target)); |
Willy Tarreau | 1e62de6 | 2008-11-11 20:20:02 +0100 | [diff] [blame] | 593 | } |
Willy Tarreau | 922a806 | 2008-12-04 09:33:58 +0100 | [diff] [blame] | 594 | |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 595 | if (unlikely(s->srv_conn)) { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 596 | /* the stream still has a reserved slot on a server, but |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 597 | * it should normally be only the same as the one above, |
| 598 | * so this should not happen in fact. |
| 599 | */ |
| 600 | sess_change_server(s, NULL); |
| 601 | } |
| 602 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 603 | if (s->req.pipe) |
| 604 | put_pipe(s->req.pipe); |
Willy Tarreau | 259de1b | 2009-01-18 21:56:21 +0100 | [diff] [blame] | 605 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 606 | if (s->res.pipe) |
| 607 | put_pipe(s->res.pipe); |
Willy Tarreau | 259de1b | 2009-01-18 21:56:21 +0100 | [diff] [blame] | 608 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 609 | /* We may still be present in the buffer wait queue */ |
| 610 | if (!LIST_ISEMPTY(&s->buffer_wait)) { |
| 611 | LIST_DEL(&s->buffer_wait); |
| 612 | LIST_INIT(&s->buffer_wait); |
| 613 | } |
| 614 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 615 | b_drop(&s->req.buf); |
| 616 | b_drop(&s->res.buf); |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 617 | if (!LIST_ISEMPTY(&buffer_wq)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 618 | stream_offer_buffers(); |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 619 | |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 620 | hlua_ctx_destroy(&s->hlua); |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 621 | if (s->txn) |
| 622 | http_end_txn(s); |
Willy Tarreau | 4602363 | 2010-01-07 22:51:47 +0100 | [diff] [blame] | 623 | |
Willy Tarreau | 1e95491 | 2012-10-12 17:50:05 +0200 | [diff] [blame] | 624 | /* ensure the client-side transport layer is destroyed */ |
Willy Tarreau | f79c817 | 2013-10-21 16:30:56 +0200 | [diff] [blame] | 625 | if (cli_conn) |
| 626 | conn_force_close(cli_conn); |
Willy Tarreau | 1e95491 | 2012-10-12 17:50:05 +0200 | [diff] [blame] | 627 | |
Willy Tarreau | a4cda67 | 2010-06-06 18:28:49 +0200 | [diff] [blame] | 628 | for (i = 0; i < s->store_count; i++) { |
| 629 | if (!s->store[i].ts) |
| 630 | continue; |
| 631 | stksess_free(s->store[i].table, s->store[i].ts); |
| 632 | s->store[i].ts = NULL; |
| 633 | } |
| 634 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 635 | if (s->txn) { |
| 636 | pool_free2(pool2_hdr_idx, s->txn->hdr_idx.v); |
| 637 | pool_free2(pool2_http_txn, s->txn); |
| 638 | s->txn = NULL; |
| 639 | } |
| 640 | |
Willy Tarreau | 92fb983 | 2007-10-16 17:34:28 +0200 | [diff] [blame] | 641 | if (fe) { |
Willy Tarreau | cb7dd01 | 2015-04-03 22:16:32 +0200 | [diff] [blame] | 642 | pool_free2(fe->rsp_cap_pool, s->res_cap); |
| 643 | pool_free2(fe->req_cap_pool, s->req_cap); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 644 | } |
Willy Tarreau | 0937bc4 | 2009-12-22 15:03:09 +0100 | [diff] [blame] | 645 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 646 | stream_store_counters(s); |
Willy Tarreau | 9ba2dcc | 2010-06-14 21:04:55 +0200 | [diff] [blame] | 647 | |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 648 | list_for_each_entry_safe(bref, back, &s->back_refs, users) { |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 649 | /* we have to unlink all watchers. We must not relink them if |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 650 | * this stream was the last one in the list. |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 651 | */ |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 652 | LIST_DEL(&bref->users); |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 653 | LIST_INIT(&bref->users); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 654 | if (s->list.n != &streams) |
| 655 | LIST_ADDQ(&LIST_ELEM(s->list.n, struct stream *, list)->back_refs, &bref->users); |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 656 | bref->ref = s->list.n; |
| 657 | } |
Willy Tarreau | f54f8bd | 2008-11-23 19:53:55 +0100 | [diff] [blame] | 658 | LIST_DEL(&s->list); |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 659 | si_release_endpoint(&s->si[1]); |
| 660 | si_release_endpoint(&s->si[0]); |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 661 | |
| 662 | /* FIXME: for now we have a 1:1 relation between stream and session so |
| 663 | * the stream must free the session. |
| 664 | */ |
| 665 | pool_free2(pool2_session, s->sess); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 666 | pool_free2(pool2_stream, s); |
Willy Tarreau | 632f5a7 | 2007-07-11 10:42:35 +0200 | [diff] [blame] | 667 | |
| 668 | /* We may want to free the maximum amount of pools if the proxy is stopping */ |
Willy Tarreau | 92fb983 | 2007-10-16 17:34:28 +0200 | [diff] [blame] | 669 | if (fe && unlikely(fe->state == PR_STSTOPPED)) { |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 670 | pool_flush2(pool2_buffer); |
Willy Tarreau | 63986c7 | 2015-04-03 22:55:33 +0200 | [diff] [blame] | 671 | pool_flush2(pool2_http_txn); |
Willy Tarreau | 34eb671 | 2011-10-24 18:15:04 +0200 | [diff] [blame] | 672 | pool_flush2(pool2_hdr_idx); |
Willy Tarreau | 48d63db | 2008-08-03 17:41:33 +0200 | [diff] [blame] | 673 | pool_flush2(pool2_requri); |
| 674 | pool_flush2(pool2_capture); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 675 | pool_flush2(pool2_stream); |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 676 | pool_flush2(pool2_session); |
Willy Tarreau | 3a5e060 | 2014-11-13 16:46:28 +0100 | [diff] [blame] | 677 | pool_flush2(pool2_connection); |
| 678 | pool_flush2(pool2_pendconn); |
Willy Tarreau | 48d63db | 2008-08-03 17:41:33 +0200 | [diff] [blame] | 679 | pool_flush2(fe->req_cap_pool); |
| 680 | pool_flush2(fe->rsp_cap_pool); |
Willy Tarreau | 632f5a7 | 2007-07-11 10:42:35 +0200 | [diff] [blame] | 681 | } |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 682 | } |
| 683 | |
Willy Tarreau | 78955f4 | 2014-12-28 13:09:02 +0100 | [diff] [blame] | 684 | /* Allocates a receive buffer for channel <chn>, but only if it's guaranteed |
| 685 | * that it's not the last available buffer or it's the response buffer. Unless |
| 686 | * the buffer is the response buffer, an extra control is made so that we always |
| 687 | * keep <tune.buffers.reserved> buffers available after this allocation. To be |
| 688 | * called at the beginning of recv() callbacks to ensure that the required |
| 689 | * buffers are properly allocated. Returns 0 in case of failure, non-zero |
| 690 | * otherwise. |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 691 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 692 | int stream_alloc_recv_buffer(struct channel *chn) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 693 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 694 | struct stream *s; |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 695 | struct buffer *b; |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 696 | int margin = 0; |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 697 | |
Willy Tarreau | 78955f4 | 2014-12-28 13:09:02 +0100 | [diff] [blame] | 698 | if (!(chn->flags & CF_ISRESP)) |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 699 | margin = global.tune.reserved_bufs; |
| 700 | |
Willy Tarreau | 78955f4 | 2014-12-28 13:09:02 +0100 | [diff] [blame] | 701 | s = chn_sess(chn); |
| 702 | |
| 703 | b = b_alloc_margin(&chn->buf, margin); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 704 | if (b) |
| 705 | return 1; |
| 706 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 707 | if (LIST_ISEMPTY(&s->buffer_wait)) |
| 708 | LIST_ADDQ(&buffer_wq, &s->buffer_wait); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 709 | return 0; |
| 710 | } |
| 711 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 712 | /* Allocates a work buffer for stream <s>. It is meant to be called inside |
| 713 | * process_stream(). It will only allocate the side needed for the function |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 714 | * to work fine. For a regular connection, only the response is needed so that |
| 715 | * an error message may be built and returned. In case where the initiator is |
| 716 | * an applet (eg: peers), then we need to allocate the request buffer for the |
| 717 | * applet to be able to send its data (in this case a response is not needed). |
| 718 | * Request buffers are never picked from the reserved pool, but response |
| 719 | * buffers may be allocated from the reserve. This is critical to ensure that |
| 720 | * a response may always flow and will never block a server from releasing a |
| 721 | * connection. Returns 0 in case of failure, non-zero otherwise. |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 722 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 723 | int stream_alloc_work_buffer(struct stream *s) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 724 | { |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 725 | int margin; |
| 726 | struct buffer **buf; |
| 727 | |
| 728 | if (objt_appctx(s->si[0].end)) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 729 | buf = &s->req.buf; |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 730 | margin = global.tune.reserved_bufs; |
| 731 | } |
| 732 | else { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 733 | buf = &s->res.buf; |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 734 | margin = 0; |
| 735 | } |
| 736 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 737 | if (!LIST_ISEMPTY(&s->buffer_wait)) { |
| 738 | LIST_DEL(&s->buffer_wait); |
| 739 | LIST_INIT(&s->buffer_wait); |
| 740 | } |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 741 | |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 742 | if (b_alloc_margin(buf, margin)) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 743 | return 1; |
| 744 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 745 | LIST_ADDQ(&buffer_wq, &s->buffer_wait); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 746 | return 0; |
| 747 | } |
| 748 | |
| 749 | /* releases unused buffers after processing. Typically used at the end of the |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 750 | * update() functions. It will try to wake up as many tasks as the number of |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 751 | * buffers that it releases. In practice, most often streams are blocked on |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 752 | * a single buffer, so it makes sense to try to wake two up when two buffers |
| 753 | * are released at once. |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 754 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 755 | void stream_release_buffers(struct stream *s) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 756 | { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 757 | if (s->req.buf->size && buffer_empty(s->req.buf)) |
| 758 | b_free(&s->req.buf); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 759 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 760 | if (s->res.buf->size && buffer_empty(s->res.buf)) |
| 761 | b_free(&s->res.buf); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 762 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 763 | /* if we're certain to have at least 1 buffer available, and there is |
| 764 | * someone waiting, we can wake up a waiter and offer them. |
| 765 | */ |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 766 | if (!LIST_ISEMPTY(&buffer_wq)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 767 | stream_offer_buffers(); |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 768 | } |
| 769 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 770 | /* Runs across the list of pending streams waiting for a buffer and wakes one |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 771 | * up if buffers are available. Will stop when the run queue reaches <rqlimit>. |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 772 | * Should not be called directly, use stream_offer_buffers() instead. |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 773 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 774 | void __stream_offer_buffers(int rqlimit) |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 775 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 776 | struct stream *sess, *bak; |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 777 | |
| 778 | list_for_each_entry_safe(sess, bak, &buffer_wq, buffer_wait) { |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 779 | if (rqlimit <= run_queue) |
| 780 | break; |
| 781 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 782 | if (sess->task->state & TASK_RUNNING) |
| 783 | continue; |
| 784 | |
| 785 | LIST_DEL(&sess->buffer_wait); |
| 786 | LIST_INIT(&sess->buffer_wait); |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 787 | task_wakeup(sess->task, TASK_WOKEN_RES); |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 788 | } |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 789 | } |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 790 | |
| 791 | /* perform minimal intializations, report 0 in case of error, 1 if OK. */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 792 | int init_stream() |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 793 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 794 | LIST_INIT(&streams); |
| 795 | pool2_stream = create_pool("stream", sizeof(struct stream), MEM_F_SHARED); |
| 796 | return pool2_stream != NULL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 797 | } |
| 798 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 799 | void stream_process_counters(struct stream *s) |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 800 | { |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 801 | struct session *sess = s->sess; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 802 | unsigned long long bytes; |
Willy Tarreau | 20d46a5 | 2012-12-09 15:55:40 +0100 | [diff] [blame] | 803 | void *ptr; |
| 804 | int i; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 805 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 806 | bytes = s->req.total - s->logs.bytes_in; |
| 807 | s->logs.bytes_in = s->req.total; |
| 808 | if (bytes) { |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 809 | sess->fe->fe_counters.bytes_in += bytes; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 810 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 811 | s->be->be_counters.bytes_in += bytes; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 812 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 813 | if (objt_server(s->target)) |
| 814 | objt_server(s->target)->counters.bytes_in += bytes; |
Krzysztof Piotr Oledzki | aeebf9b | 2009-10-04 15:43:17 +0200 | [diff] [blame] | 815 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 816 | if (sess->listener && sess->listener->counters) |
| 817 | sess->listener->counters->bytes_in += bytes; |
Willy Tarreau | 855e4bb | 2010-06-18 18:33:32 +0200 | [diff] [blame] | 818 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 819 | for (i = 0; i < MAX_SESS_STKCTR; i++) { |
| 820 | if (!stkctr_entry(&s->stkctr[i])) |
| 821 | continue; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 822 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 823 | ptr = stktable_data_ptr(s->stkctr[i].table, |
| 824 | stkctr_entry(&s->stkctr[i]), |
| 825 | STKTABLE_DT_BYTES_IN_CNT); |
| 826 | if (ptr) |
| 827 | stktable_data_cast(ptr, bytes_in_cnt) += bytes; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 828 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 829 | ptr = stktable_data_ptr(s->stkctr[i].table, |
| 830 | stkctr_entry(&s->stkctr[i]), |
| 831 | STKTABLE_DT_BYTES_IN_RATE); |
| 832 | if (ptr) |
| 833 | update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate), |
| 834 | s->stkctr[i].table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes); |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 835 | } |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 836 | } |
| 837 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 838 | bytes = s->res.total - s->logs.bytes_out; |
| 839 | s->logs.bytes_out = s->res.total; |
| 840 | if (bytes) { |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 841 | sess->fe->fe_counters.bytes_out += bytes; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 842 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 843 | s->be->be_counters.bytes_out += bytes; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 844 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 845 | if (objt_server(s->target)) |
| 846 | objt_server(s->target)->counters.bytes_out += bytes; |
Krzysztof Piotr Oledzki | aeebf9b | 2009-10-04 15:43:17 +0200 | [diff] [blame] | 847 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 848 | if (sess->listener && sess->listener->counters) |
| 849 | sess->listener->counters->bytes_out += bytes; |
Willy Tarreau | f059a0f | 2010-08-03 16:29:52 +0200 | [diff] [blame] | 850 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 851 | for (i = 0; i < MAX_SESS_STKCTR; i++) { |
| 852 | if (!stkctr_entry(&s->stkctr[i])) |
| 853 | continue; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 854 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 855 | ptr = stktable_data_ptr(s->stkctr[i].table, |
| 856 | stkctr_entry(&s->stkctr[i]), |
| 857 | STKTABLE_DT_BYTES_OUT_CNT); |
| 858 | if (ptr) |
| 859 | stktable_data_cast(ptr, bytes_out_cnt) += bytes; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 860 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 861 | ptr = stktable_data_ptr(s->stkctr[i].table, |
| 862 | stkctr_entry(&s->stkctr[i]), |
| 863 | STKTABLE_DT_BYTES_OUT_RATE); |
| 864 | if (ptr) |
| 865 | update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate), |
| 866 | s->stkctr[i].table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes); |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 867 | } |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 868 | } |
| 869 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 870 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 871 | /* This function is called with (si->state == SI_ST_CON) meaning that a |
| 872 | * connection was attempted and that the file descriptor is already allocated. |
| 873 | * We must check for establishment, error and abort. Possible output states |
| 874 | * are SI_ST_EST (established), SI_ST_CER (error), SI_ST_DIS (abort), and |
| 875 | * SI_ST_CON (no change). The function returns 0 if it switches to SI_ST_CER, |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 876 | * otherwise 1. This only works with connection-based streams. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 877 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 878 | static int sess_update_st_con_tcp(struct stream *s) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 879 | { |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 880 | struct stream_interface *si = &s->si[1]; |
| 881 | struct channel *req = &s->req; |
| 882 | struct channel *rep = &s->res; |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 883 | struct connection *srv_conn = __objt_conn(si->end); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 884 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 885 | /* If we got an error, or if nothing happened and the connection timed |
| 886 | * out, we must give up. The CER state handler will take care of retry |
| 887 | * attempts and error reports. |
| 888 | */ |
| 889 | if (unlikely(si->flags & (SI_FL_EXP|SI_FL_ERR))) { |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 890 | if (unlikely(req->flags & CF_WRITE_PARTIAL)) { |
Willy Tarreau | e3224e8 | 2012-10-29 22:41:31 +0100 | [diff] [blame] | 891 | /* Some data were sent past the connection establishment, |
| 892 | * so we need to pretend we're established to log correctly |
| 893 | * and let later states handle the failure. |
| 894 | */ |
Willy Tarreau | e3224e8 | 2012-10-29 22:41:31 +0100 | [diff] [blame] | 895 | si->state = SI_ST_EST; |
| 896 | si->err_type = SI_ET_DATA_ERR; |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 897 | rep->flags |= CF_READ_ERROR | CF_WRITE_ERROR; |
Willy Tarreau | e3224e8 | 2012-10-29 22:41:31 +0100 | [diff] [blame] | 898 | return 1; |
| 899 | } |
Willy Tarreau | 127334e | 2009-03-28 10:47:26 +0100 | [diff] [blame] | 900 | si->exp = TICK_ETERNITY; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 901 | si->state = SI_ST_CER; |
Willy Tarreau | 0ede5a3 | 2012-12-08 08:44:02 +0100 | [diff] [blame] | 902 | |
Willy Tarreau | f79c817 | 2013-10-21 16:30:56 +0200 | [diff] [blame] | 903 | conn_force_close(srv_conn); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 904 | |
| 905 | if (si->err_type) |
| 906 | return 0; |
| 907 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 908 | if (si->flags & SI_FL_ERR) |
| 909 | si->err_type = SI_ET_CONN_ERR; |
| 910 | else |
| 911 | si->err_type = SI_ET_CONN_TO; |
| 912 | return 0; |
| 913 | } |
| 914 | |
| 915 | /* OK, maybe we want to abort */ |
Willy Tarreau | a7a7ebc | 2012-12-30 00:50:35 +0100 | [diff] [blame] | 916 | if (!(req->flags & CF_WRITE_PARTIAL) && |
| 917 | unlikely((rep->flags & CF_SHUTW) || |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 918 | ((req->flags & CF_SHUTW_NOW) && /* FIXME: this should not prevent a connection from establishing */ |
| 919 | ((!(req->flags & CF_WRITE_ACTIVITY) && channel_is_empty(req)) || |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 920 | s->be->options & PR_O_ABRT_CLOSE)))) { |
| 921 | /* give up */ |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 922 | si_shutw(si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 923 | si->err_type |= SI_ET_CONN_ABRT; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 924 | if (s->srv_error) |
| 925 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 926 | return 1; |
| 927 | } |
| 928 | |
| 929 | /* we need to wait a bit more if there was no activity either */ |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 930 | if (!(req->flags & CF_WRITE_ACTIVITY)) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 931 | return 1; |
| 932 | |
| 933 | /* OK, this means that a connection succeeded. The caller will be |
| 934 | * responsible for handling the transition from CON to EST. |
| 935 | */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 936 | si->state = SI_ST_EST; |
| 937 | si->err_type = SI_ET_NONE; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 938 | return 1; |
| 939 | } |
| 940 | |
| 941 | /* This function is called with (si->state == SI_ST_CER) meaning that a |
| 942 | * previous connection attempt has failed and that the file descriptor |
| 943 | * has already been released. Possible causes include asynchronous error |
| 944 | * notification and time out. Possible output states are SI_ST_CLO when |
| 945 | * retries are exhausted, SI_ST_TAR when a delay is wanted before a new |
| 946 | * connection attempt, SI_ST_ASS when it's wise to retry on the same server, |
| 947 | * and SI_ST_REQ when an immediate redispatch is wanted. The buffers are |
| 948 | * marked as in error state. It returns 0. |
| 949 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 950 | static int sess_update_st_cer(struct stream *s) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 951 | { |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 952 | struct stream_interface *si = &s->si[1]; |
| 953 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 954 | /* we probably have to release last stream from the server */ |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 955 | if (objt_server(s->target)) { |
| 956 | health_adjust(objt_server(s->target), HANA_STATUS_L4_ERR); |
Krzysztof Piotr Oledzki | 97f07b8 | 2009-12-15 22:31:24 +0100 | [diff] [blame] | 957 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 958 | if (s->flags & SF_CURR_SESS) { |
| 959 | s->flags &= ~SF_CURR_SESS; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 960 | objt_server(s->target)->cur_sess--; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 961 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | /* ensure that we have enough retries left */ |
Willy Tarreau | ee28de0 | 2010-06-01 09:51:00 +0200 | [diff] [blame] | 965 | si->conn_retries--; |
| 966 | if (si->conn_retries < 0) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 967 | if (!si->err_type) { |
| 968 | si->err_type = SI_ET_CONN_ERR; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 969 | } |
| 970 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 971 | if (objt_server(s->target)) |
| 972 | objt_server(s->target)->counters.failed_conns++; |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 973 | s->be->be_counters.failed_conns++; |
Willy Tarreau | b89cfca | 2010-12-29 14:32:28 +0100 | [diff] [blame] | 974 | sess_change_server(s, NULL); |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 975 | if (may_dequeue_tasks(objt_server(s->target), s->be)) |
| 976 | process_srv_queue(objt_server(s->target)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 977 | |
| 978 | /* shutw is enough so stop a connecting socket */ |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 979 | si_shutw(si); |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 980 | s->req.flags |= CF_WRITE_ERROR; |
| 981 | s->res.flags |= CF_READ_ERROR; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 982 | |
| 983 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 984 | if (s->srv_error) |
| 985 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 986 | return 0; |
| 987 | } |
| 988 | |
| 989 | /* If the "redispatch" option is set on the backend, we are allowed to |
| 990 | * retry on another server for the last retry. In order to achieve this, |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 991 | * we must mark the stream unassigned, and eventually clear the DIRECT |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 992 | * bit to ignore any persistence cookie. We won't count a retry nor a |
| 993 | * redispatch yet, because this will depend on what server is selected. |
Willy Tarreau | 33a14e5 | 2014-06-13 17:49:40 +0200 | [diff] [blame] | 994 | * If the connection is not persistent, the balancing algorithm is not |
| 995 | * determinist (round robin) and there is more than one active server, |
| 996 | * we accept to perform an immediate redispatch without waiting since |
| 997 | * we don't care about this particular server. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 998 | */ |
Willy Tarreau | 33a14e5 | 2014-06-13 17:49:40 +0200 | [diff] [blame] | 999 | if (objt_server(s->target) && |
| 1000 | (si->conn_retries == 0 || |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1001 | (!(s->flags & SF_DIRECT) && s->be->srv_act > 1 && |
Willy Tarreau | 33a14e5 | 2014-06-13 17:49:40 +0200 | [diff] [blame] | 1002 | ((s->be->lbprm.algo & BE_LB_KIND) == BE_LB_KIND_RR))) && |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1003 | s->be->options & PR_O_REDISP && !(s->flags & SF_FORCE_PRST)) { |
Willy Tarreau | b89cfca | 2010-12-29 14:32:28 +0100 | [diff] [blame] | 1004 | sess_change_server(s, NULL); |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1005 | if (may_dequeue_tasks(objt_server(s->target), s->be)) |
| 1006 | process_srv_queue(objt_server(s->target)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1007 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1008 | s->flags &= ~(SF_DIRECT | SF_ASSIGNED | SF_ADDR_SET); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1009 | si->state = SI_ST_REQ; |
| 1010 | } else { |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1011 | if (objt_server(s->target)) |
| 1012 | objt_server(s->target)->counters.retries++; |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1013 | s->be->be_counters.retries++; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1014 | si->state = SI_ST_ASS; |
| 1015 | } |
| 1016 | |
| 1017 | if (si->flags & SI_FL_ERR) { |
| 1018 | /* The error was an asynchronous connection error, and we will |
| 1019 | * likely have to retry connecting to the same server, most |
| 1020 | * likely leading to the same result. To avoid this, we wait |
Willy Tarreau | b029066 | 2014-06-13 17:04:44 +0200 | [diff] [blame] | 1021 | * MIN(one second, connect timeout) before retrying. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1022 | */ |
| 1023 | |
Willy Tarreau | b029066 | 2014-06-13 17:04:44 +0200 | [diff] [blame] | 1024 | int delay = 1000; |
| 1025 | |
| 1026 | if (s->be->timeout.connect && s->be->timeout.connect < delay) |
| 1027 | delay = s->be->timeout.connect; |
| 1028 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1029 | if (!si->err_type) |
| 1030 | si->err_type = SI_ET_CONN_ERR; |
| 1031 | |
Willy Tarreau | db6d012 | 2014-06-13 17:40:15 +0200 | [diff] [blame] | 1032 | /* only wait when we're retrying on the same server */ |
| 1033 | if (si->state == SI_ST_ASS || |
| 1034 | (s->be->lbprm.algo & BE_LB_KIND) != BE_LB_KIND_RR || |
| 1035 | (s->be->srv_act <= 1)) { |
| 1036 | si->state = SI_ST_TAR; |
| 1037 | si->exp = tick_add(now_ms, MS_TO_TICKS(delay)); |
| 1038 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1039 | return 0; |
| 1040 | } |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | /* |
| 1045 | * This function handles the transition between the SI_ST_CON state and the |
Willy Tarreau | 85e7d00 | 2010-05-31 11:57:51 +0200 | [diff] [blame] | 1046 | * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or |
Willy Tarreau | 26d8c59 | 2012-05-07 18:12:14 +0200 | [diff] [blame] | 1047 | * SI_ST_INI) to SI_ST_EST, but only when a ->proto is defined. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1048 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1049 | static void sess_establish(struct stream *s) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1050 | { |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1051 | struct stream_interface *si = &s->si[1]; |
| 1052 | struct channel *req = &s->req; |
| 1053 | struct channel *rep = &s->res; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1054 | |
Willy Tarreau | 0e37f1c | 2013-12-31 23:06:46 +0100 | [diff] [blame] | 1055 | /* First, centralize the timers information */ |
| 1056 | s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 1057 | si->exp = TICK_ETERNITY; |
| 1058 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1059 | if (objt_server(s->target)) |
| 1060 | health_adjust(objt_server(s->target), HANA_STATUS_L4_OK); |
Krzysztof Piotr Oledzki | 97f07b8 | 2009-12-15 22:31:24 +0100 | [diff] [blame] | 1061 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1062 | if (s->be->mode == PR_MODE_TCP) { /* let's allow immediate data connection in this case */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1063 | /* if the user wants to log as soon as possible, without counting |
| 1064 | * bytes from the server, then this is the right moment. */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1065 | if (!LIST_ISEMPTY(&strm_sess(s)->fe->logformat) && !(s->logs.logwait & LW_BYTES)) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1066 | s->logs.t_close = s->logs.t_connect; /* to get a valid end date */ |
Willy Tarreau | a5555ec | 2008-11-30 19:02:32 +0100 | [diff] [blame] | 1067 | s->do_log(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1068 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1069 | } |
| 1070 | else { |
Willy Tarreau | d81ca04 | 2013-12-31 22:33:13 +0100 | [diff] [blame] | 1071 | rep->flags |= CF_READ_DONTWAIT; /* a single read is enough to get response headers */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1072 | } |
| 1073 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1074 | rep->analysers |= strm_sess(s)->fe->fe_rsp_ana | s->be->be_rsp_ana; |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 1075 | rep->flags |= CF_READ_ATTACHED; /* producer is now attached */ |
Willy Tarreau | 644c101 | 2014-04-30 18:11:11 +0200 | [diff] [blame] | 1076 | if (req->flags & CF_WAKE_CONNECT) { |
| 1077 | req->flags |= CF_WAKE_ONCE; |
| 1078 | req->flags &= ~CF_WAKE_CONNECT; |
| 1079 | } |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 1080 | if (objt_conn(si->end)) { |
Willy Tarreau | d04e858 | 2010-05-31 12:31:35 +0200 | [diff] [blame] | 1081 | /* real connections have timeouts */ |
| 1082 | req->wto = s->be->timeout.server; |
| 1083 | rep->rto = s->be->timeout.server; |
| 1084 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1085 | req->wex = TICK_ETERNITY; |
| 1086 | } |
| 1087 | |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1088 | /* Update back stream interface status for input states SI_ST_ASS, SI_ST_QUE, |
| 1089 | * SI_ST_TAR. Other input states are simply ignored. |
Willy Tarreau | 9e5a3aa | 2013-12-31 23:32:12 +0100 | [diff] [blame] | 1090 | * Possible output states are SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ, SI_ST_CON |
| 1091 | * and SI_ST_EST. Flags must have previously been updated for timeouts and other |
| 1092 | * conditions. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1093 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1094 | static void sess_update_stream_int(struct stream *s) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1095 | { |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1096 | struct server *srv = objt_server(s->target); |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1097 | struct stream_interface *si = &s->si[1]; |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1098 | struct channel *req = &s->req; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1099 | |
Willy Tarreau | 02d6cfc | 2012-03-01 18:19:58 +0100 | [diff] [blame] | 1100 | DPRINTF(stderr,"[%u] %s: sess=%p rq=%p, rp=%p, exp(r,w)=%u,%u rqf=%08x rpf=%08x rqh=%d rqt=%d rph=%d rpt=%d cs=%d ss=%d\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1101 | now_ms, __FUNCTION__, |
| 1102 | s, |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1103 | req, s->rep, |
| 1104 | req->rex, s->res.wex, |
| 1105 | req->flags, s->res.flags, |
| 1106 | req->buf->i, req->buf->o, s->res.buf->i, s->res.buf->o, s->si[0].state, req->cons->state); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1107 | |
| 1108 | if (si->state == SI_ST_ASS) { |
| 1109 | /* Server assigned to connection request, we have to try to connect now */ |
| 1110 | int conn_err; |
| 1111 | |
| 1112 | conn_err = connect_server(s); |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1113 | srv = objt_server(s->target); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1114 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1115 | if (conn_err == SF_ERR_NONE) { |
Willy Tarreau | 9e5a3aa | 2013-12-31 23:32:12 +0100 | [diff] [blame] | 1116 | /* state = SI_ST_CON or SI_ST_EST now */ |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1117 | if (srv) |
| 1118 | srv_inc_sess_ctr(srv); |
Bhaskar Maddala | a20cb85 | 2014-02-03 16:26:46 -0500 | [diff] [blame] | 1119 | if (srv) |
| 1120 | srv_set_sess_last(srv); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1121 | return; |
| 1122 | } |
| 1123 | |
| 1124 | /* We have received a synchronous error. We might have to |
| 1125 | * abort, retry immediately or redispatch. |
| 1126 | */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1127 | if (conn_err == SF_ERR_INTERNAL) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1128 | if (!si->err_type) { |
| 1129 | si->err_type = SI_ET_CONN_OTHER; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1130 | } |
| 1131 | |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1132 | if (srv) |
| 1133 | srv_inc_sess_ctr(srv); |
| 1134 | if (srv) |
Bhaskar Maddala | a20cb85 | 2014-02-03 16:26:46 -0500 | [diff] [blame] | 1135 | srv_set_sess_last(srv); |
| 1136 | if (srv) |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1137 | srv->counters.failed_conns++; |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1138 | s->be->be_counters.failed_conns++; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1139 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1140 | /* release other streams waiting for this server */ |
Willy Tarreau | b89cfca | 2010-12-29 14:32:28 +0100 | [diff] [blame] | 1141 | sess_change_server(s, NULL); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1142 | if (may_dequeue_tasks(srv, s->be)) |
| 1143 | process_srv_queue(srv); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1144 | |
| 1145 | /* Failed and not retryable. */ |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 1146 | si_shutr(si); |
| 1147 | si_shutw(si); |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1148 | req->flags |= CF_WRITE_ERROR; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1149 | |
| 1150 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 1151 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1152 | /* no stream was ever accounted for this server */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1153 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 1154 | if (s->srv_error) |
| 1155 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1156 | return; |
| 1157 | } |
| 1158 | |
| 1159 | /* We are facing a retryable error, but we don't want to run a |
| 1160 | * turn-around now, as the problem is likely a source port |
| 1161 | * allocation problem, so we want to retry now. |
| 1162 | */ |
| 1163 | si->state = SI_ST_CER; |
| 1164 | si->flags &= ~SI_FL_ERR; |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1165 | sess_update_st_cer(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1166 | /* now si->state is one of SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ */ |
| 1167 | return; |
| 1168 | } |
| 1169 | else if (si->state == SI_ST_QUE) { |
| 1170 | /* connection request was queued, check for any update */ |
| 1171 | if (!s->pend_pos) { |
| 1172 | /* The connection is not in the queue anymore. Either |
| 1173 | * we have a server connection slot available and we |
| 1174 | * go directly to the assigned state, or we need to |
| 1175 | * load-balance first and go to the INI state. |
| 1176 | */ |
| 1177 | si->exp = TICK_ETERNITY; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1178 | if (unlikely(!(s->flags & SF_ASSIGNED))) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1179 | si->state = SI_ST_REQ; |
| 1180 | else { |
| 1181 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 1182 | si->state = SI_ST_ASS; |
| 1183 | } |
| 1184 | return; |
| 1185 | } |
| 1186 | |
| 1187 | /* Connection request still in queue... */ |
| 1188 | if (si->flags & SI_FL_EXP) { |
| 1189 | /* ... and timeout expired */ |
| 1190 | si->exp = TICK_ETERNITY; |
| 1191 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1192 | if (srv) |
| 1193 | srv->counters.failed_conns++; |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1194 | s->be->be_counters.failed_conns++; |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 1195 | si_shutr(si); |
| 1196 | si_shutw(si); |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1197 | req->flags |= CF_WRITE_TIMEOUT; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1198 | if (!si->err_type) |
| 1199 | si->err_type = SI_ET_QUEUE_TO; |
| 1200 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 1201 | if (s->srv_error) |
| 1202 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1203 | return; |
| 1204 | } |
| 1205 | |
| 1206 | /* Connection remains in queue, check if we have to abort it */ |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1207 | if ((req->flags & (CF_READ_ERROR)) || |
| 1208 | ((req->flags & CF_SHUTW_NOW) && /* empty and client aborted */ |
| 1209 | (channel_is_empty(req) || s->be->options & PR_O_ABRT_CLOSE))) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1210 | /* give up */ |
| 1211 | si->exp = TICK_ETERNITY; |
| 1212 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 1213 | si_shutr(si); |
| 1214 | si_shutw(si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1215 | si->err_type |= SI_ET_QUEUE_ABRT; |
| 1216 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 1217 | if (s->srv_error) |
| 1218 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1219 | return; |
| 1220 | } |
| 1221 | |
| 1222 | /* Nothing changed */ |
| 1223 | return; |
| 1224 | } |
| 1225 | else if (si->state == SI_ST_TAR) { |
| 1226 | /* Connection request might be aborted */ |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1227 | if ((req->flags & (CF_READ_ERROR)) || |
| 1228 | ((req->flags & CF_SHUTW_NOW) && /* empty and client aborted */ |
| 1229 | (channel_is_empty(req) || s->be->options & PR_O_ABRT_CLOSE))) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1230 | /* give up */ |
| 1231 | si->exp = TICK_ETERNITY; |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 1232 | si_shutr(si); |
| 1233 | si_shutw(si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1234 | si->err_type |= SI_ET_CONN_ABRT; |
| 1235 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 1236 | if (s->srv_error) |
| 1237 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1238 | return; |
| 1239 | } |
| 1240 | |
| 1241 | if (!(si->flags & SI_FL_EXP)) |
| 1242 | return; /* still in turn-around */ |
| 1243 | |
| 1244 | si->exp = TICK_ETERNITY; |
| 1245 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1246 | /* we keep trying on the same server as long as the stream is |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1247 | * marked "assigned". |
| 1248 | * FIXME: Should we force a redispatch attempt when the server is down ? |
| 1249 | */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1250 | if (s->flags & SF_ASSIGNED) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1251 | si->state = SI_ST_ASS; |
| 1252 | else |
| 1253 | si->state = SI_ST_REQ; |
| 1254 | return; |
| 1255 | } |
| 1256 | } |
| 1257 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1258 | /* Set correct stream termination flags in case no analyser has done it. It |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1259 | * also counts a failed request if the server state has not reached the request |
| 1260 | * stage. |
| 1261 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1262 | static void sess_set_term_flags(struct stream *s) |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1263 | { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1264 | if (!(s->flags & SF_FINST_MASK)) { |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1265 | if (s->si[1].state < SI_ST_REQ) { |
| 1266 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1267 | strm_sess(s)->fe->fe_counters.failed_req++; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 1268 | if (strm_sess(s)->listener->counters) |
| 1269 | strm_sess(s)->listener->counters->failed_req++; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1270 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1271 | s->flags |= SF_FINST_R; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1272 | } |
| 1273 | else if (s->si[1].state == SI_ST_QUE) |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1274 | s->flags |= SF_FINST_Q; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1275 | else if (s->si[1].state < SI_ST_EST) |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1276 | s->flags |= SF_FINST_C; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1277 | else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST) |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1278 | s->flags |= SF_FINST_D; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1279 | else |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1280 | s->flags |= SF_FINST_L; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 1281 | } |
| 1282 | } |
| 1283 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1284 | /* This function initiates a server connection request on a stream interface |
Willy Tarreau | d84fb5e | 2013-11-30 09:06:53 +0100 | [diff] [blame] | 1285 | * already in SI_ST_REQ state. Upon success, the state goes to SI_ST_ASS for |
| 1286 | * a real connection to a server, indicating that a server has been assigned, |
| 1287 | * or SI_ST_EST for a successful connection to an applet. It may also return |
| 1288 | * SI_ST_QUE, or SI_ST_CLO upon error. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1289 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1290 | static void sess_prepare_conn_req(struct stream *s) |
Willy Tarreau | 02d6cfc | 2012-03-01 18:19:58 +0100 | [diff] [blame] | 1291 | { |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1292 | struct stream_interface *si = &s->si[1]; |
| 1293 | |
Willy Tarreau | 02d6cfc | 2012-03-01 18:19:58 +0100 | [diff] [blame] | 1294 | DPRINTF(stderr,"[%u] %s: sess=%p rq=%p, rp=%p, exp(r,w)=%u,%u rqf=%08x rpf=%08x rqh=%d rqt=%d rph=%d rpt=%d cs=%d ss=%d\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1295 | now_ms, __FUNCTION__, |
| 1296 | s, |
| 1297 | s->req, s->rep, |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1298 | s->req.rex, s->res.wex, |
| 1299 | s->req.flags, s->res.flags, |
Willy Tarreau | 350f487 | 2014-11-28 14:42:25 +0100 | [diff] [blame] | 1300 | s->req.buf->i, s->req.buf->o, s->res.buf->i, s->res.buf->o, s->si[0].state, s->req.cons->state); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1301 | |
| 1302 | if (si->state != SI_ST_REQ) |
| 1303 | return; |
| 1304 | |
Willy Tarreau | d84fb5e | 2013-11-30 09:06:53 +0100 | [diff] [blame] | 1305 | if (unlikely(obj_type(s->target) == OBJ_TYPE_APPLET)) { |
| 1306 | /* the applet directly goes to the EST state */ |
Willy Tarreau | 4384ddf | 2013-12-01 12:25:52 +0100 | [diff] [blame] | 1307 | struct appctx *appctx = objt_appctx(si->end); |
| 1308 | |
| 1309 | if (!appctx || appctx->applet != __objt_applet(s->target)) |
| 1310 | appctx = stream_int_register_handler(si, objt_applet(s->target)); |
| 1311 | |
| 1312 | if (!appctx) { |
| 1313 | /* No more memory, let's immediately abort. Force the |
| 1314 | * error code to ignore the ERR_LOCAL which is not a |
| 1315 | * real error. |
| 1316 | */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1317 | s->flags &= ~(SF_ERR_MASK | SF_FINST_MASK); |
Willy Tarreau | 4384ddf | 2013-12-01 12:25:52 +0100 | [diff] [blame] | 1318 | |
| 1319 | si_shutr(si); |
| 1320 | si_shutw(si); |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1321 | s->req.flags |= CF_WRITE_ERROR; |
Willy Tarreau | 6bbb2f6 | 2013-12-09 17:14:23 +0100 | [diff] [blame] | 1322 | si->err_type = SI_ET_CONN_RES; |
Willy Tarreau | 4384ddf | 2013-12-01 12:25:52 +0100 | [diff] [blame] | 1323 | si->state = SI_ST_CLO; |
| 1324 | if (s->srv_error) |
| 1325 | s->srv_error(s, si); |
| 1326 | return; |
| 1327 | } |
| 1328 | |
Willy Tarreau | d84fb5e | 2013-11-30 09:06:53 +0100 | [diff] [blame] | 1329 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Willy Tarreau | d84fb5e | 2013-11-30 09:06:53 +0100 | [diff] [blame] | 1330 | si->state = SI_ST_EST; |
| 1331 | si->err_type = SI_ET_NONE; |
Willy Tarreau | b9a551e | 2014-04-23 00:35:17 +0200 | [diff] [blame] | 1332 | be_set_sess_last(s->be); |
Willy Tarreau | fac4bd1 | 2013-11-30 09:21:49 +0100 | [diff] [blame] | 1333 | /* let sess_establish() finish the job */ |
Willy Tarreau | d84fb5e | 2013-11-30 09:06:53 +0100 | [diff] [blame] | 1334 | return; |
| 1335 | } |
| 1336 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1337 | /* Try to assign a server */ |
| 1338 | if (srv_redispatch_connect(s) != 0) { |
| 1339 | /* We did not get a server. Either we queued the |
| 1340 | * connection request, or we encountered an error. |
| 1341 | */ |
| 1342 | if (si->state == SI_ST_QUE) |
| 1343 | return; |
| 1344 | |
| 1345 | /* we did not get any server, let's check the cause */ |
Willy Tarreau | 73b013b | 2012-05-21 16:31:45 +0200 | [diff] [blame] | 1346 | si_shutr(si); |
| 1347 | si_shutw(si); |
Willy Tarreau | 103197d | 2014-11-28 15:26:12 +0100 | [diff] [blame] | 1348 | s->req.flags |= CF_WRITE_ERROR; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1349 | if (!si->err_type) |
| 1350 | si->err_type = SI_ET_CONN_OTHER; |
| 1351 | si->state = SI_ST_CLO; |
Willy Tarreau | 0cac36f | 2008-11-30 20:44:17 +0100 | [diff] [blame] | 1352 | if (s->srv_error) |
| 1353 | s->srv_error(s, si); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1354 | return; |
| 1355 | } |
| 1356 | |
| 1357 | /* The server is assigned */ |
| 1358 | s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 1359 | si->state = SI_ST_ASS; |
Willy Tarreau | b9a551e | 2014-04-23 00:35:17 +0200 | [diff] [blame] | 1360 | be_set_sess_last(s->be); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1361 | } |
| 1362 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1363 | /* This stream analyser checks the switching rules and changes the backend |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1364 | * if appropriate. The default_backend rule is also considered, then the |
| 1365 | * target backend's forced persistence rules are also evaluated last if any. |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1366 | * It returns 1 if the processing can continue on next analysers, or zero if it |
| 1367 | * either needs more data or wants to immediately abort the request. |
| 1368 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1369 | static int process_switching_rules(struct stream *s, struct channel *req, int an_bit) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1370 | { |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1371 | struct persist_rule *prst_rule; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1372 | struct proxy *fe = strm_sess(s)->fe; |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1373 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1374 | req->analysers &= ~an_bit; |
| 1375 | req->analyse_exp = TICK_ETERNITY; |
| 1376 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1377 | DPRINTF(stderr,"[%u] %s: stream=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n", |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1378 | now_ms, __FUNCTION__, |
| 1379 | s, |
| 1380 | req, |
| 1381 | req->rex, req->wex, |
| 1382 | req->flags, |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 1383 | req->buf->i, |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1384 | req->analysers); |
| 1385 | |
| 1386 | /* now check whether we have some switching rules for this request */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1387 | if (!(s->flags & SF_BE_ASSIGNED)) { |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1388 | struct switching_rule *rule; |
| 1389 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1390 | list_for_each_entry(rule, &fe->switching_rules, list) { |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1391 | int ret = 1; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1392 | |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1393 | if (rule->cond) { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1394 | ret = acl_exec_cond(rule->cond, fe, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1395 | ret = acl_pass(ret); |
| 1396 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1397 | ret = !ret; |
| 1398 | } |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1399 | |
| 1400 | if (ret) { |
Bertrand Jacquin | 702d44f | 2013-11-19 11:43:06 +0100 | [diff] [blame] | 1401 | /* If the backend name is dynamic, try to resolve the name. |
| 1402 | * If we can't resolve the name, or if any error occurs, break |
| 1403 | * the loop and fallback to the default backend. |
| 1404 | */ |
| 1405 | struct proxy *backend; |
| 1406 | |
| 1407 | if (rule->dynamic) { |
| 1408 | struct chunk *tmp = get_trash_chunk(); |
| 1409 | if (!build_logline(s, tmp->str, tmp->size, &rule->be.expr)) |
| 1410 | break; |
| 1411 | backend = findproxy(tmp->str, PR_CAP_BE); |
| 1412 | if (!backend) |
| 1413 | break; |
| 1414 | } |
| 1415 | else |
| 1416 | backend = rule->be.backend; |
| 1417 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1418 | if (!stream_set_backend(s, backend)) |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1419 | goto sw_failed; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1420 | break; |
| 1421 | } |
| 1422 | } |
| 1423 | |
| 1424 | /* To ensure correct connection accounting on the backend, we |
| 1425 | * have to assign one if it was not set (eg: a listen). This |
| 1426 | * measure also takes care of correctly setting the default |
| 1427 | * backend if any. |
| 1428 | */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1429 | if (!(s->flags & SF_BE_ASSIGNED)) |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1430 | if (!stream_set_backend(s, fe->defbe.be ? fe->defbe.be : s->be)) |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1431 | goto sw_failed; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1432 | } |
| 1433 | |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 1434 | /* we don't want to run the TCP or HTTP filters again if the backend has not changed */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1435 | if (fe == s->be) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1436 | s->req.analysers &= ~AN_REQ_INSPECT_BE; |
| 1437 | s->req.analysers &= ~AN_REQ_HTTP_PROCESS_BE; |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 1438 | } |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1439 | |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1440 | /* as soon as we know the backend, we must check if we have a matching forced or ignored |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1441 | * persistence rule, and report that in the stream. |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1442 | */ |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1443 | list_for_each_entry(prst_rule, &s->be->persist_rules, list) { |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1444 | int ret = 1; |
| 1445 | |
| 1446 | if (prst_rule->cond) { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1447 | ret = acl_exec_cond(prst_rule->cond, s->be, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1448 | ret = acl_pass(ret); |
| 1449 | if (prst_rule->cond->pol == ACL_COND_UNLESS) |
| 1450 | ret = !ret; |
| 1451 | } |
| 1452 | |
| 1453 | if (ret) { |
| 1454 | /* no rule, or the rule matches */ |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1455 | if (prst_rule->type == PERSIST_TYPE_FORCE) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1456 | s->flags |= SF_FORCE_PRST; |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1457 | } else { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1458 | s->flags |= SF_IGNORE_PRST; |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1459 | } |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1460 | break; |
| 1461 | } |
| 1462 | } |
| 1463 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1464 | return 1; |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1465 | |
| 1466 | sw_failed: |
| 1467 | /* immediately abort this request in case of allocation failure */ |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1468 | channel_abort(&s->req); |
| 1469 | channel_abort(&s->res); |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1470 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1471 | if (!(s->flags & SF_ERR_MASK)) |
| 1472 | s->flags |= SF_ERR_RESOURCE; |
| 1473 | if (!(s->flags & SF_FINST_MASK)) |
| 1474 | s->flags |= SF_FINST_R; |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1475 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 1476 | if (s->txn) |
| 1477 | s->txn->status = 500; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1478 | s->req.analysers = 0; |
| 1479 | s->req.analyse_exp = TICK_ETERNITY; |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1480 | return 0; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1481 | } |
| 1482 | |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1483 | /* This stream analyser works on a request. It applies all use-server rules on |
| 1484 | * it then returns 1. The data must already be present in the buffer otherwise |
| 1485 | * they won't match. It always returns 1. |
| 1486 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1487 | static int process_server_rules(struct stream *s, struct channel *req, int an_bit) |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1488 | { |
| 1489 | struct proxy *px = s->be; |
| 1490 | struct server_rule *rule; |
| 1491 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1492 | DPRINTF(stderr,"[%u] %s: stream=%p b=%p, exp(r,w)=%u,%u bf=%08x bl=%d analysers=%02x\n", |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1493 | now_ms, __FUNCTION__, |
| 1494 | s, |
| 1495 | req, |
| 1496 | req->rex, req->wex, |
| 1497 | req->flags, |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 1498 | req->buf->i + req->buf->o, |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1499 | req->analysers); |
| 1500 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1501 | if (!(s->flags & SF_ASSIGNED)) { |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1502 | list_for_each_entry(rule, &px->server_rules, list) { |
| 1503 | int ret; |
| 1504 | |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1505 | ret = acl_exec_cond(rule->cond, s->be, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1506 | ret = acl_pass(ret); |
| 1507 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1508 | ret = !ret; |
| 1509 | |
| 1510 | if (ret) { |
| 1511 | struct server *srv = rule->srv.ptr; |
| 1512 | |
Willy Tarreau | 892337c | 2014-05-13 23:41:20 +0200 | [diff] [blame] | 1513 | if ((srv->state != SRV_ST_STOPPED) || |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1514 | (px->options & PR_O_PERSIST) || |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1515 | (s->flags & SF_FORCE_PRST)) { |
| 1516 | s->flags |= SF_DIRECT | SF_ASSIGNED; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1517 | s->target = &srv->obj_type; |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1518 | break; |
| 1519 | } |
| 1520 | /* if the server is not UP, let's go on with next rules |
| 1521 | * just in case another one is suited. |
| 1522 | */ |
| 1523 | } |
| 1524 | } |
| 1525 | } |
| 1526 | |
| 1527 | req->analysers &= ~an_bit; |
| 1528 | req->analyse_exp = TICK_ETERNITY; |
| 1529 | return 1; |
| 1530 | } |
| 1531 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1532 | /* This stream analyser works on a request. It applies all sticking rules on |
| 1533 | * it then returns 1. The data must already be present in the buffer otherwise |
| 1534 | * they won't match. It always returns 1. |
| 1535 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1536 | static int process_sticking_rules(struct stream *s, struct channel *req, int an_bit) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1537 | { |
| 1538 | struct proxy *px = s->be; |
| 1539 | struct sticking_rule *rule; |
| 1540 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1541 | DPRINTF(stderr,"[%u] %s: stream=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n", |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1542 | now_ms, __FUNCTION__, |
| 1543 | s, |
| 1544 | req, |
| 1545 | req->rex, req->wex, |
| 1546 | req->flags, |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 1547 | req->buf->i, |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1548 | req->analysers); |
| 1549 | |
| 1550 | list_for_each_entry(rule, &px->sticking_rules, list) { |
| 1551 | int ret = 1 ; |
| 1552 | int i; |
| 1553 | |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1554 | /* Only the first stick store-request of each table is applied |
| 1555 | * and other ones are ignored. The purpose is to allow complex |
| 1556 | * configurations which look for multiple entries by decreasing |
| 1557 | * order of precision and to stop at the first which matches. |
| 1558 | * An example could be a store of the IP address from an HTTP |
| 1559 | * header first, then from the source if not found. |
| 1560 | */ |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1561 | for (i = 0; i < s->store_count; i++) { |
| 1562 | if (rule->table.t == s->store[i].table) |
| 1563 | break; |
| 1564 | } |
| 1565 | |
| 1566 | if (i != s->store_count) |
| 1567 | continue; |
| 1568 | |
| 1569 | if (rule->cond) { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1570 | ret = acl_exec_cond(rule->cond, px, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1571 | ret = acl_pass(ret); |
| 1572 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1573 | ret = !ret; |
| 1574 | } |
| 1575 | |
| 1576 | if (ret) { |
| 1577 | struct stktable_key *key; |
| 1578 | |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1579 | key = stktable_fetch_key(rule->table.t, px, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, rule->expr, NULL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1580 | if (!key) |
| 1581 | continue; |
| 1582 | |
| 1583 | if (rule->flags & STK_IS_MATCH) { |
| 1584 | struct stksess *ts; |
| 1585 | |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1586 | if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1587 | if (!(s->flags & SF_ASSIGNED)) { |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1588 | struct eb32_node *node; |
Willy Tarreau | 13c29de | 2010-06-06 16:40:39 +0200 | [diff] [blame] | 1589 | void *ptr; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1590 | |
| 1591 | /* srv found in table */ |
Willy Tarreau | 13c29de | 2010-06-06 16:40:39 +0200 | [diff] [blame] | 1592 | ptr = stktable_data_ptr(rule->table.t, ts, STKTABLE_DT_SERVER_ID); |
| 1593 | node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id)); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1594 | if (node) { |
| 1595 | struct server *srv; |
| 1596 | |
| 1597 | srv = container_of(node, struct server, conf.id); |
Willy Tarreau | 892337c | 2014-05-13 23:41:20 +0200 | [diff] [blame] | 1598 | if ((srv->state != SRV_ST_STOPPED) || |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1599 | (px->options & PR_O_PERSIST) || |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1600 | (s->flags & SF_FORCE_PRST)) { |
| 1601 | s->flags |= SF_DIRECT | SF_ASSIGNED; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1602 | s->target = &srv->obj_type; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1603 | } |
| 1604 | } |
| 1605 | } |
Emeric Brun | 85e77c7 | 2010-09-23 18:16:52 +0200 | [diff] [blame] | 1606 | stktable_touch(rule->table.t, ts, 1); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1607 | } |
| 1608 | } |
| 1609 | if (rule->flags & STK_IS_STORE) { |
| 1610 | if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) { |
| 1611 | struct stksess *ts; |
| 1612 | |
| 1613 | ts = stksess_new(rule->table.t, key); |
| 1614 | if (ts) { |
| 1615 | s->store[s->store_count].table = rule->table.t; |
| 1616 | s->store[s->store_count++].ts = ts; |
| 1617 | } |
| 1618 | } |
| 1619 | } |
| 1620 | } |
| 1621 | } |
| 1622 | |
| 1623 | req->analysers &= ~an_bit; |
| 1624 | req->analyse_exp = TICK_ETERNITY; |
| 1625 | return 1; |
| 1626 | } |
| 1627 | |
| 1628 | /* This stream analyser works on a response. It applies all store rules on it |
| 1629 | * then returns 1. The data must already be present in the buffer otherwise |
| 1630 | * they won't match. It always returns 1. |
| 1631 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1632 | static int process_store_rules(struct stream *s, struct channel *rep, int an_bit) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1633 | { |
| 1634 | struct proxy *px = s->be; |
| 1635 | struct sticking_rule *rule; |
| 1636 | int i; |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1637 | int nbreq = s->store_count; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1638 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1639 | DPRINTF(stderr,"[%u] %s: stream=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n", |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1640 | now_ms, __FUNCTION__, |
| 1641 | s, |
Willy Tarreau | 2e2b3eb | 2010-02-09 20:55:44 +0100 | [diff] [blame] | 1642 | rep, |
| 1643 | rep->rex, rep->wex, |
| 1644 | rep->flags, |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 1645 | rep->buf->i, |
Willy Tarreau | 2e2b3eb | 2010-02-09 20:55:44 +0100 | [diff] [blame] | 1646 | rep->analysers); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1647 | |
| 1648 | list_for_each_entry(rule, &px->storersp_rules, list) { |
| 1649 | int ret = 1 ; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1650 | |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1651 | /* Only the first stick store-response of each table is applied |
| 1652 | * and other ones are ignored. The purpose is to allow complex |
| 1653 | * configurations which look for multiple entries by decreasing |
| 1654 | * order of precision and to stop at the first which matches. |
| 1655 | * An example could be a store of a set-cookie value, with a |
| 1656 | * fallback to a parameter found in a 302 redirect. |
| 1657 | * |
| 1658 | * The store-response rules are not allowed to override the |
| 1659 | * store-request rules for the same table, but they may coexist. |
| 1660 | * Thus we can have up to one store-request entry and one store- |
| 1661 | * response entry for the same table at any time. |
| 1662 | */ |
| 1663 | for (i = nbreq; i < s->store_count; i++) { |
| 1664 | if (rule->table.t == s->store[i].table) |
| 1665 | break; |
| 1666 | } |
| 1667 | |
| 1668 | /* skip existing entries for this table */ |
| 1669 | if (i < s->store_count) |
| 1670 | continue; |
| 1671 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1672 | if (rule->cond) { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1673 | ret = acl_exec_cond(rule->cond, px, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1674 | ret = acl_pass(ret); |
| 1675 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1676 | ret = !ret; |
| 1677 | } |
| 1678 | |
| 1679 | if (ret) { |
| 1680 | struct stktable_key *key; |
| 1681 | |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 1682 | key = stktable_fetch_key(rule->table.t, px, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL, rule->expr, NULL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1683 | if (!key) |
| 1684 | continue; |
| 1685 | |
Willy Tarreau | 37e340c | 2013-12-06 23:05:21 +0100 | [diff] [blame] | 1686 | if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) { |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1687 | struct stksess *ts; |
| 1688 | |
| 1689 | ts = stksess_new(rule->table.t, key); |
| 1690 | if (ts) { |
| 1691 | s->store[s->store_count].table = rule->table.t; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1692 | s->store[s->store_count++].ts = ts; |
| 1693 | } |
| 1694 | } |
| 1695 | } |
| 1696 | } |
| 1697 | |
| 1698 | /* process store request and store response */ |
| 1699 | for (i = 0; i < s->store_count; i++) { |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1700 | struct stksess *ts; |
Willy Tarreau | 13c29de | 2010-06-06 16:40:39 +0200 | [diff] [blame] | 1701 | void *ptr; |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1702 | |
Willy Tarreau | c93cd16 | 2014-05-13 15:54:22 +0200 | [diff] [blame] | 1703 | if (objt_server(s->target) && objt_server(s->target)->flags & SRV_F_NON_STICK) { |
Simon Horman | fa46168 | 2011-06-25 09:39:49 +0900 | [diff] [blame] | 1704 | stksess_free(s->store[i].table, s->store[i].ts); |
| 1705 | s->store[i].ts = NULL; |
| 1706 | continue; |
| 1707 | } |
| 1708 | |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1709 | ts = stktable_lookup(s->store[i].table, s->store[i].ts); |
| 1710 | if (ts) { |
| 1711 | /* the entry already existed, we can free ours */ |
Emeric Brun | 85e77c7 | 2010-09-23 18:16:52 +0200 | [diff] [blame] | 1712 | stktable_touch(s->store[i].table, ts, 1); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1713 | stksess_free(s->store[i].table, s->store[i].ts); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1714 | } |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1715 | else |
Emeric Brun | 85e77c7 | 2010-09-23 18:16:52 +0200 | [diff] [blame] | 1716 | ts = stktable_store(s->store[i].table, s->store[i].ts, 1); |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1717 | |
| 1718 | s->store[i].ts = NULL; |
Willy Tarreau | 13c29de | 2010-06-06 16:40:39 +0200 | [diff] [blame] | 1719 | ptr = stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_ID); |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1720 | stktable_data_cast(ptr, server_id) = objt_server(s->target)->puid; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1721 | } |
Willy Tarreau | 2a164ee | 2010-06-18 09:57:45 +0200 | [diff] [blame] | 1722 | s->store_count = 0; /* everything is stored */ |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1723 | |
| 1724 | rep->analysers &= ~an_bit; |
| 1725 | rep->analyse_exp = TICK_ETERNITY; |
| 1726 | return 1; |
| 1727 | } |
| 1728 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1729 | /* This macro is very specific to the function below. See the comments in |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1730 | * process_stream() below to understand the logic and the tests. |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1731 | */ |
| 1732 | #define UPDATE_ANALYSERS(real, list, back, flag) { \ |
| 1733 | list = (((list) & ~(flag)) | ~(back)) & (real); \ |
| 1734 | back = real; \ |
| 1735 | if (!(list)) \ |
| 1736 | break; \ |
| 1737 | if (((list) ^ ((list) & ((list) - 1))) < (flag)) \ |
| 1738 | continue; \ |
| 1739 | } |
| 1740 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1741 | /* Processes the client, server, request and response jobs of a stream task, |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1742 | * then puts it back to the wait queue in a clean state, or cleans up its |
| 1743 | * resources if it must be deleted. Returns in <next> the date the task wants |
| 1744 | * to be woken up, or TICK_ETERNITY. In order not to call all functions for |
| 1745 | * nothing too many times, the request and response buffers flags are monitored |
| 1746 | * and each function is called only if at least another function has changed at |
| 1747 | * least one flag it is interested in. |
| 1748 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1749 | struct task *process_stream(struct task *t) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1750 | { |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1751 | struct server *srv; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1752 | struct stream *s = t->context; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 1753 | struct session *sess = s->sess; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1754 | unsigned int rqf_last, rpf_last; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1755 | unsigned int rq_prod_last, rq_cons_last; |
| 1756 | unsigned int rp_cons_last, rp_prod_last; |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1757 | unsigned int req_ana_back; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1758 | struct channel *req, *res; |
| 1759 | struct stream_interface *si_f, *si_b; |
| 1760 | |
| 1761 | req = &s->req; |
| 1762 | res = &s->res; |
| 1763 | |
| 1764 | si_f = &s->si[0]; |
| 1765 | si_b = &s->si[1]; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1766 | |
| 1767 | //DPRINTF(stderr, "%s:%d: cs=%d ss=%d(%d) rqf=0x%08x rpf=0x%08x\n", __FUNCTION__, __LINE__, |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1768 | // si_f->state, si_b->state, si_b->err_type, req->flags, res->flags); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1769 | |
Krzysztof Piotr Oledzki | f9423ae | 2010-01-29 19:26:18 +0100 | [diff] [blame] | 1770 | /* this data may be no longer valid, clear it */ |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 1771 | if (s->txn) |
| 1772 | memset(&s->txn->auth, 0, sizeof(s->txn->auth)); |
Krzysztof Piotr Oledzki | f9423ae | 2010-01-29 19:26:18 +0100 | [diff] [blame] | 1773 | |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 1774 | /* This flag must explicitly be set every time */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1775 | req->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE); |
| 1776 | res->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1777 | |
| 1778 | /* Keep a copy of req/rep flags so that we can detect shutdowns */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1779 | rqf_last = req->flags & ~CF_MASK_ANALYSER; |
| 1780 | rpf_last = res->flags & ~CF_MASK_ANALYSER; |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1781 | |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 1782 | /* we don't want the stream interface functions to recursively wake us up */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1783 | si_f->flags |= SI_FL_DONT_WAKE; |
| 1784 | si_b->flags |= SI_FL_DONT_WAKE; |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 1785 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1786 | /* 1a: Check for low level timeouts if needed. We just set a flag on |
| 1787 | * stream interfaces when their timeouts have expired. |
| 1788 | */ |
| 1789 | if (unlikely(t->state & TASK_WOKEN_TIMER)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1790 | stream_int_check_timeouts(si_f); |
| 1791 | stream_int_check_timeouts(si_b); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1792 | |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 1793 | /* check channel timeouts, and close the corresponding stream interfaces |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1794 | * for future reads or writes. Note: this will also concern upper layers |
| 1795 | * but we do not touch any other flag. We must be careful and correctly |
| 1796 | * detect state changes when calling them. |
| 1797 | */ |
| 1798 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1799 | channel_check_timeouts(req); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1800 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1801 | if (unlikely((req->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) { |
| 1802 | si_b->flags |= SI_FL_NOLINGER; |
| 1803 | si_shutw(si_b); |
Willy Tarreau | 1464140 | 2009-12-29 14:49:56 +0100 | [diff] [blame] | 1804 | } |
| 1805 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1806 | if (unlikely((req->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) { |
| 1807 | if (si_f->flags & SI_FL_NOHALF) |
| 1808 | si_f->flags |= SI_FL_NOLINGER; |
| 1809 | si_shutr(si_f); |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 1810 | } |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1811 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1812 | channel_check_timeouts(res); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1813 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1814 | if (unlikely((res->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) { |
| 1815 | si_f->flags |= SI_FL_NOLINGER; |
| 1816 | si_shutw(si_f); |
Willy Tarreau | 1464140 | 2009-12-29 14:49:56 +0100 | [diff] [blame] | 1817 | } |
| 1818 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1819 | if (unlikely((res->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) { |
| 1820 | if (si_b->flags & SI_FL_NOHALF) |
| 1821 | si_b->flags |= SI_FL_NOLINGER; |
| 1822 | si_shutr(si_b); |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 1823 | } |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1824 | |
| 1825 | /* Once in a while we're woken up because the task expires. But |
| 1826 | * this does not necessarily mean that a timeout has been reached. |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1827 | * So let's not run a whole stream processing if only an expiration |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1828 | * timeout needs to be refreshed. |
| 1829 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1830 | if (!((req->flags | res->flags) & |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1831 | (CF_SHUTR|CF_READ_ACTIVITY|CF_READ_TIMEOUT|CF_SHUTW| |
| 1832 | CF_WRITE_ACTIVITY|CF_WRITE_TIMEOUT|CF_ANA_TIMEOUT)) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1833 | !((si_f->flags | si_b->flags) & (SI_FL_EXP|SI_FL_ERR)) && |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1834 | ((t->state & TASK_WOKEN_ANY) == TASK_WOKEN_TIMER)) |
| 1835 | goto update_exp_and_leave; |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1836 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1837 | |
Willy Tarreau | 10fc09e | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 1838 | /* below we may emit error messages so we have to ensure that we have |
| 1839 | * our buffers properly allocated. |
| 1840 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1841 | if (!stream_alloc_work_buffer(s)) { |
Willy Tarreau | 10fc09e | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 1842 | /* No buffer available, we've been subscribed to the list of |
| 1843 | * buffer waiters, let's wait for our turn. |
| 1844 | */ |
| 1845 | goto update_exp_and_leave; |
| 1846 | } |
| 1847 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1848 | /* 1b: check for low-level errors reported at the stream interface. |
| 1849 | * First we check if it's a retryable error (in which case we don't |
| 1850 | * want to tell the buffer). Otherwise we report the error one level |
| 1851 | * upper by setting flags into the buffers. Note that the side towards |
| 1852 | * the client cannot have connect (hence retryable) errors. Also, the |
| 1853 | * connection setup code must be able to deal with any type of abort. |
| 1854 | */ |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1855 | srv = objt_server(s->target); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1856 | if (unlikely(si_f->flags & SI_FL_ERR)) { |
| 1857 | if (si_f->state == SI_ST_EST || si_f->state == SI_ST_DIS) { |
| 1858 | si_shutr(si_f); |
| 1859 | si_shutw(si_f); |
| 1860 | stream_int_report_error(si_f); |
| 1861 | if (!(req->analysers) && !(res->analysers)) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1862 | s->be->be_counters.cli_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1863 | sess->fe->fe_counters.cli_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1864 | if (srv) |
| 1865 | srv->counters.cli_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1866 | if (!(s->flags & SF_ERR_MASK)) |
| 1867 | s->flags |= SF_ERR_CLICL; |
| 1868 | if (!(s->flags & SF_FINST_MASK)) |
| 1869 | s->flags |= SF_FINST_D; |
Willy Tarreau | 05cb29b | 2008-12-14 11:44:04 +0100 | [diff] [blame] | 1870 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1871 | } |
| 1872 | } |
| 1873 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1874 | if (unlikely(si_b->flags & SI_FL_ERR)) { |
| 1875 | if (si_b->state == SI_ST_EST || si_b->state == SI_ST_DIS) { |
| 1876 | si_shutr(si_b); |
| 1877 | si_shutw(si_b); |
| 1878 | stream_int_report_error(si_b); |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1879 | s->be->be_counters.failed_resp++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1880 | if (srv) |
| 1881 | srv->counters.failed_resp++; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1882 | if (!(req->analysers) && !(res->analysers)) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 1883 | s->be->be_counters.srv_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1884 | sess->fe->fe_counters.srv_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1885 | if (srv) |
| 1886 | srv->counters.srv_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1887 | if (!(s->flags & SF_ERR_MASK)) |
| 1888 | s->flags |= SF_ERR_SRVCL; |
| 1889 | if (!(s->flags & SF_FINST_MASK)) |
| 1890 | s->flags |= SF_FINST_D; |
Willy Tarreau | 05cb29b | 2008-12-14 11:44:04 +0100 | [diff] [blame] | 1891 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1892 | } |
| 1893 | /* note: maybe we should process connection errors here ? */ |
| 1894 | } |
| 1895 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1896 | if (si_b->state == SI_ST_CON) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1897 | /* we were trying to establish a connection on the server side, |
| 1898 | * maybe it succeeded, maybe it failed, maybe we timed out, ... |
| 1899 | */ |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1900 | if (unlikely(!sess_update_st_con_tcp(s))) |
| 1901 | sess_update_st_cer(s); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1902 | else if (si_b->state == SI_ST_EST) |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 1903 | sess_establish(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1904 | |
| 1905 | /* state is now one of SI_ST_CON (still in progress), SI_ST_EST |
| 1906 | * (established), SI_ST_DIS (abort), SI_ST_CLO (last error), |
| 1907 | * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors. |
| 1908 | */ |
| 1909 | } |
| 1910 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1911 | rq_prod_last = si_f->state; |
| 1912 | rq_cons_last = si_b->state; |
| 1913 | rp_cons_last = si_f->state; |
| 1914 | rp_prod_last = si_b->state; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1915 | |
| 1916 | resync_stream_interface: |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1917 | /* Check for connection closure */ |
| 1918 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1919 | DPRINTF(stderr, |
Willy Tarreau | 02d6cfc | 2012-03-01 18:19:58 +0100 | [diff] [blame] | 1920 | "[%u] %s:%d: task=%p s=%p, sfl=0x%08x, rq=%p, rp=%p, exp(r,w)=%u,%u rqf=%08x rpf=%08x rqh=%d rqt=%d rph=%d rpt=%d cs=%d ss=%d, cet=0x%x set=0x%x retr=%d\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1921 | now_ms, __FUNCTION__, __LINE__, |
| 1922 | t, |
| 1923 | s, s->flags, |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1924 | req, res, |
| 1925 | req->rex, res->wex, |
| 1926 | req->flags, res->flags, |
| 1927 | req->buf->i, req->buf->o, res->buf->i, res->buf->o, si_f->state, si_b->state, |
| 1928 | si_f->err_type, si_b->err_type, |
| 1929 | si_b->conn_retries); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1930 | |
| 1931 | /* nothing special to be done on client side */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1932 | if (unlikely(si_f->state == SI_ST_DIS)) |
| 1933 | si_f->state = SI_ST_CLO; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1934 | |
| 1935 | /* When a server-side connection is released, we have to count it and |
| 1936 | * check for pending connections on this server. |
| 1937 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1938 | if (unlikely(si_b->state == SI_ST_DIS)) { |
| 1939 | si_b->state = SI_ST_CLO; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1940 | srv = objt_server(s->target); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1941 | if (srv) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1942 | if (s->flags & SF_CURR_SESS) { |
| 1943 | s->flags &= ~SF_CURR_SESS; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1944 | srv->cur_sess--; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1945 | } |
| 1946 | sess_change_server(s, NULL); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1947 | if (may_dequeue_tasks(srv, s->be)) |
| 1948 | process_srv_queue(srv); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1949 | } |
| 1950 | } |
| 1951 | |
| 1952 | /* |
| 1953 | * Note: of the transient states (REQ, CER, DIS), only REQ may remain |
| 1954 | * at this point. |
| 1955 | */ |
| 1956 | |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 1957 | resync_request: |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1958 | /* Analyse request */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1959 | if (((req->flags & ~rqf_last) & CF_MASK_ANALYSER) || |
| 1960 | ((req->flags ^ rqf_last) & CF_MASK_STATIC) || |
| 1961 | si_f->state != rq_prod_last || |
| 1962 | si_b->state != rq_cons_last || |
Thierry FOURNIER | 2e05a8c | 2014-11-24 14:49:56 +0100 | [diff] [blame] | 1963 | s->task->state & TASK_WOKEN_MSG) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1964 | unsigned int flags = req->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1965 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1966 | if (si_f->state >= SI_ST_EST) { |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1967 | int max_loops = global.tune.maxpollevents; |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1968 | unsigned int ana_list; |
| 1969 | unsigned int ana_back; |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1970 | |
Willy Tarreau | 90deb18 | 2010-01-07 00:20:41 +0100 | [diff] [blame] | 1971 | /* it's up to the analysers to stop new connections, |
| 1972 | * disable reading or closing. Note: if an analyser |
| 1973 | * disables any of these bits, it is responsible for |
| 1974 | * enabling them again when it disables itself, so |
| 1975 | * that other analysers are called in similar conditions. |
| 1976 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1977 | channel_auto_read(req); |
| 1978 | channel_auto_connect(req); |
| 1979 | channel_auto_close(req); |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 1980 | |
| 1981 | /* We will call all analysers for which a bit is set in |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1982 | * req->analysers, following the bit order from LSB |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 1983 | * to MSB. The analysers must remove themselves from |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1984 | * the list when not needed. Any analyser may return 0 |
| 1985 | * to break out of the loop, either because of missing |
| 1986 | * data to take a decision, or because it decides to |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1987 | * kill the stream. We loop at least once through each |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1988 | * analyser, and we may loop again if other analysers |
| 1989 | * are added in the middle. |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1990 | * |
| 1991 | * We build a list of analysers to run. We evaluate all |
| 1992 | * of these analysers in the order of the lower bit to |
| 1993 | * the higher bit. This ordering is very important. |
| 1994 | * An analyser will often add/remove other analysers, |
| 1995 | * including itself. Any changes to itself have no effect |
| 1996 | * on the loop. If it removes any other analysers, we |
| 1997 | * want those analysers not to be called anymore during |
| 1998 | * this loop. If it adds an analyser that is located |
| 1999 | * after itself, we want it to be scheduled for being |
| 2000 | * processed during the loop. If it adds an analyser |
| 2001 | * which is located before it, we want it to switch to |
| 2002 | * it immediately, even if it has already been called |
| 2003 | * once but removed since. |
| 2004 | * |
| 2005 | * In order to achieve this, we compare the analyser |
| 2006 | * list after the call with a copy of it before the |
| 2007 | * call. The work list is fed with analyser bits that |
| 2008 | * appeared during the call. Then we compare previous |
| 2009 | * work list with the new one, and check the bits that |
| 2010 | * appeared. If the lowest of these bits is lower than |
| 2011 | * the current bit, it means we have enabled a previous |
| 2012 | * analyser and must immediately loop again. |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 2013 | */ |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2014 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2015 | ana_list = ana_back = req->analysers; |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 2016 | while (ana_list && max_loops--) { |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2017 | /* Warning! ensure that analysers are always placed in ascending order! */ |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 2018 | |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 2019 | if (ana_list & AN_REQ_INSPECT_FE) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2020 | if (!tcp_inspect_request(s, req, AN_REQ_INSPECT_FE)) |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 2021 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2022 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_INSPECT_FE); |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 2023 | } |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 2024 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2025 | if (ana_list & AN_REQ_WAIT_HTTP) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2026 | if (!http_wait_for_request(s, req, AN_REQ_WAIT_HTTP)) |
Willy Tarreau | d787e66 | 2009-07-07 10:14:51 +0200 | [diff] [blame] | 2027 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2028 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_WAIT_HTTP); |
Willy Tarreau | d787e66 | 2009-07-07 10:14:51 +0200 | [diff] [blame] | 2029 | } |
| 2030 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2031 | if (ana_list & AN_REQ_HTTP_PROCESS_FE) { |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2032 | if (!http_process_req_common(s, req, AN_REQ_HTTP_PROCESS_FE, sess->fe)) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2033 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2034 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2035 | } |
| 2036 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2037 | if (ana_list & AN_REQ_SWITCHING_RULES) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2038 | if (!process_switching_rules(s, req, AN_REQ_SWITCHING_RULES)) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2039 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2040 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_SWITCHING_RULES); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2041 | } |
| 2042 | |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 2043 | if (ana_list & AN_REQ_INSPECT_BE) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2044 | if (!tcp_inspect_request(s, req, AN_REQ_INSPECT_BE)) |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 2045 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2046 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_INSPECT_BE); |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 2047 | } |
| 2048 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2049 | if (ana_list & AN_REQ_HTTP_PROCESS_BE) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2050 | if (!http_process_req_common(s, req, AN_REQ_HTTP_PROCESS_BE, s->be)) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2051 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2052 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 2053 | } |
| 2054 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2055 | if (ana_list & AN_REQ_HTTP_TARPIT) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2056 | if (!http_process_tarpit(s, req, AN_REQ_HTTP_TARPIT)) |
Willy Tarreau | 60b85b0 | 2008-11-30 23:28:40 +0100 | [diff] [blame] | 2057 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2058 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_TARPIT); |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 2059 | } |
Willy Tarreau | 60b85b0 | 2008-11-30 23:28:40 +0100 | [diff] [blame] | 2060 | |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 2061 | if (ana_list & AN_REQ_SRV_RULES) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2062 | if (!process_server_rules(s, req, AN_REQ_SRV_RULES)) |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 2063 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2064 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_SRV_RULES); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 2065 | } |
| 2066 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2067 | if (ana_list & AN_REQ_HTTP_INNER) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2068 | if (!http_process_request(s, req, AN_REQ_HTTP_INNER)) |
Willy Tarreau | c465fd7 | 2009-08-31 00:17:18 +0200 | [diff] [blame] | 2069 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2070 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_INNER); |
Willy Tarreau | c465fd7 | 2009-08-31 00:17:18 +0200 | [diff] [blame] | 2071 | } |
| 2072 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2073 | if (ana_list & AN_REQ_HTTP_BODY) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2074 | if (!http_wait_for_request_body(s, req, AN_REQ_HTTP_BODY)) |
Willy Tarreau | d34af78 | 2008-11-30 23:36:37 +0100 | [diff] [blame] | 2075 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2076 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_BODY); |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 2077 | } |
Emeric Brun | 647caf1 | 2009-06-30 17:57:00 +0200 | [diff] [blame] | 2078 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2079 | if (ana_list & AN_REQ_PRST_RDP_COOKIE) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2080 | if (!tcp_persist_rdp_cookie(s, req, AN_REQ_PRST_RDP_COOKIE)) |
Emeric Brun | 647caf1 | 2009-06-30 17:57:00 +0200 | [diff] [blame] | 2081 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2082 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE); |
Emeric Brun | 647caf1 | 2009-06-30 17:57:00 +0200 | [diff] [blame] | 2083 | } |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2084 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2085 | if (ana_list & AN_REQ_STICKING_RULES) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2086 | if (!process_sticking_rules(s, req, AN_REQ_STICKING_RULES)) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2087 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2088 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_STICKING_RULES); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2089 | } |
| 2090 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2091 | if (ana_list & AN_REQ_HTTP_XFER_BODY) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2092 | if (!http_request_forward_body(s, req, AN_REQ_HTTP_XFER_BODY)) |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2093 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2094 | UPDATE_ANALYSERS(req->analysers, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY); |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2095 | } |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 2096 | break; |
| 2097 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2098 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2099 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2100 | rq_prod_last = si_f->state; |
| 2101 | rq_cons_last = si_b->state; |
| 2102 | req->flags &= ~CF_WAKE_ONCE; |
| 2103 | rqf_last = req->flags; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 2104 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2105 | if ((req->flags ^ flags) & CF_MASK_STATIC) |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2106 | goto resync_request; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2107 | } |
| 2108 | |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 2109 | /* we'll monitor the request analysers while parsing the response, |
| 2110 | * because some response analysers may indirectly enable new request |
| 2111 | * analysers (eg: HTTP keep-alive). |
| 2112 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2113 | req_ana_back = req->analysers; |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 2114 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2115 | resync_response: |
| 2116 | /* Analyse response */ |
| 2117 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2118 | if (((res->flags & ~rpf_last) & CF_MASK_ANALYSER) || |
| 2119 | (res->flags ^ rpf_last) & CF_MASK_STATIC || |
| 2120 | si_f->state != rp_cons_last || |
| 2121 | si_b->state != rp_prod_last || |
Thierry FOURNIER | 2e05a8c | 2014-11-24 14:49:56 +0100 | [diff] [blame] | 2122 | s->task->state & TASK_WOKEN_MSG) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2123 | unsigned int flags = res->flags; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2124 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2125 | if ((res->flags & CF_MASK_ANALYSER) && |
| 2126 | (res->analysers & AN_REQ_ALL)) { |
Willy Tarreau | 0499e35 | 2010-12-17 07:13:42 +0100 | [diff] [blame] | 2127 | /* Due to HTTP pipelining, the HTTP request analyser might be waiting |
| 2128 | * for some free space in the response buffer, so we might need to call |
| 2129 | * it when something changes in the response buffer, but still we pass |
| 2130 | * it the request buffer. Note that the SI state might very well still |
| 2131 | * be zero due to us returning a flow of redirects! |
| 2132 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2133 | res->analysers &= ~AN_REQ_ALL; |
| 2134 | req->flags |= CF_WAKE_ONCE; |
Willy Tarreau | 0499e35 | 2010-12-17 07:13:42 +0100 | [diff] [blame] | 2135 | } |
| 2136 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2137 | if (si_b->state >= SI_ST_EST) { |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 2138 | int max_loops = global.tune.maxpollevents; |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2139 | unsigned int ana_list; |
| 2140 | unsigned int ana_back; |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2141 | |
Willy Tarreau | 90deb18 | 2010-01-07 00:20:41 +0100 | [diff] [blame] | 2142 | /* it's up to the analysers to stop disable reading or |
| 2143 | * closing. Note: if an analyser disables any of these |
| 2144 | * bits, it is responsible for enabling them again when |
| 2145 | * it disables itself, so that other analysers are called |
| 2146 | * in similar conditions. |
| 2147 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2148 | channel_auto_read(res); |
| 2149 | channel_auto_close(res); |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2150 | |
| 2151 | /* We will call all analysers for which a bit is set in |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2152 | * res->analysers, following the bit order from LSB |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2153 | * to MSB. The analysers must remove themselves from |
| 2154 | * the list when not needed. Any analyser may return 0 |
| 2155 | * to break out of the loop, either because of missing |
| 2156 | * data to take a decision, or because it decides to |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2157 | * kill the stream. We loop at least once through each |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2158 | * analyser, and we may loop again if other analysers |
| 2159 | * are added in the middle. |
| 2160 | */ |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2161 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2162 | ana_list = ana_back = res->analysers; |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 2163 | while (ana_list && max_loops--) { |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2164 | /* Warning! ensure that analysers are always placed in ascending order! */ |
| 2165 | |
Emeric Brun | 97679e7 | 2010-09-23 17:56:44 +0200 | [diff] [blame] | 2166 | if (ana_list & AN_RES_INSPECT) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2167 | if (!tcp_inspect_response(s, res, AN_RES_INSPECT)) |
Emeric Brun | 97679e7 | 2010-09-23 17:56:44 +0200 | [diff] [blame] | 2168 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2169 | UPDATE_ANALYSERS(res->analysers, ana_list, ana_back, AN_RES_INSPECT); |
Emeric Brun | 97679e7 | 2010-09-23 17:56:44 +0200 | [diff] [blame] | 2170 | } |
| 2171 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2172 | if (ana_list & AN_RES_WAIT_HTTP) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2173 | if (!http_wait_for_response(s, res, AN_RES_WAIT_HTTP)) |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2174 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2175 | UPDATE_ANALYSERS(res->analysers, ana_list, ana_back, AN_RES_WAIT_HTTP); |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2176 | } |
| 2177 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2178 | if (ana_list & AN_RES_STORE_RULES) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2179 | if (!process_store_rules(s, res, AN_RES_STORE_RULES)) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2180 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2181 | UPDATE_ANALYSERS(res->analysers, ana_list, ana_back, AN_RES_STORE_RULES); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 2182 | } |
| 2183 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2184 | if (ana_list & AN_RES_HTTP_PROCESS_BE) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2185 | if (!http_process_res_common(s, res, AN_RES_HTTP_PROCESS_BE, s->be)) |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2186 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2187 | UPDATE_ANALYSERS(res->analysers, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE); |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 2188 | } |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2189 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 2190 | if (ana_list & AN_RES_HTTP_XFER_BODY) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2191 | if (!http_response_forward_body(s, res, AN_RES_HTTP_XFER_BODY)) |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2192 | break; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2193 | UPDATE_ANALYSERS(res->analysers, ana_list, ana_back, AN_RES_HTTP_XFER_BODY); |
Willy Tarreau | d98cf93 | 2009-12-27 22:54:55 +0100 | [diff] [blame] | 2194 | } |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 2195 | break; |
| 2196 | } |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2197 | } |
| 2198 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2199 | rp_cons_last = si_f->state; |
| 2200 | rp_prod_last = si_b->state; |
| 2201 | rpf_last = res->flags; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 2202 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2203 | if ((res->flags ^ flags) & CF_MASK_STATIC) |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2204 | goto resync_response; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2205 | } |
| 2206 | |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 2207 | /* maybe someone has added some request analysers, so we must check and loop */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2208 | if (req->analysers & ~req_ana_back) |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 2209 | goto resync_request; |
| 2210 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2211 | if ((req->flags & ~rqf_last) & CF_MASK_ANALYSER) |
Willy Tarreau | 0499e35 | 2010-12-17 07:13:42 +0100 | [diff] [blame] | 2212 | goto resync_request; |
| 2213 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2214 | /* FIXME: here we should call protocol handlers which rely on |
| 2215 | * both buffers. |
| 2216 | */ |
| 2217 | |
| 2218 | |
| 2219 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2220 | * Now we propagate unhandled errors to the stream. Normally |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2221 | * we're just in a data phase here since it means we have not |
| 2222 | * seen any analyser who could set an error status. |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2223 | */ |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 2224 | srv = objt_server(s->target); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2225 | if (unlikely(!(s->flags & SF_ERR_MASK))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2226 | if (req->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) { |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2227 | /* Report it if the client got an error or a read timeout expired */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2228 | req->analysers = 0; |
| 2229 | if (req->flags & CF_READ_ERROR) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2230 | s->be->be_counters.cli_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2231 | sess->fe->fe_counters.cli_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2232 | if (srv) |
| 2233 | srv->counters.cli_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2234 | s->flags |= SF_ERR_CLICL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2235 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2236 | else if (req->flags & CF_READ_TIMEOUT) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2237 | s->be->be_counters.cli_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2238 | sess->fe->fe_counters.cli_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2239 | if (srv) |
| 2240 | srv->counters.cli_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2241 | s->flags |= SF_ERR_CLITO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2242 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2243 | else if (req->flags & CF_WRITE_ERROR) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2244 | s->be->be_counters.srv_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2245 | sess->fe->fe_counters.srv_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2246 | if (srv) |
| 2247 | srv->counters.srv_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2248 | s->flags |= SF_ERR_SRVCL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2249 | } |
| 2250 | else { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2251 | s->be->be_counters.srv_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2252 | sess->fe->fe_counters.srv_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2253 | if (srv) |
| 2254 | srv->counters.srv_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2255 | s->flags |= SF_ERR_SRVTO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2256 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2257 | sess_set_term_flags(s); |
| 2258 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2259 | else if (res->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) { |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2260 | /* Report it if the server got an error or a read timeout expired */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2261 | res->analysers = 0; |
| 2262 | if (res->flags & CF_READ_ERROR) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2263 | s->be->be_counters.srv_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2264 | sess->fe->fe_counters.srv_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2265 | if (srv) |
| 2266 | srv->counters.srv_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2267 | s->flags |= SF_ERR_SRVCL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2268 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2269 | else if (res->flags & CF_READ_TIMEOUT) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2270 | s->be->be_counters.srv_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2271 | sess->fe->fe_counters.srv_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2272 | if (srv) |
| 2273 | srv->counters.srv_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2274 | s->flags |= SF_ERR_SRVTO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2275 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2276 | else if (res->flags & CF_WRITE_ERROR) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2277 | s->be->be_counters.cli_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2278 | sess->fe->fe_counters.cli_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2279 | if (srv) |
| 2280 | srv->counters.cli_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2281 | s->flags |= SF_ERR_CLICL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2282 | } |
| 2283 | else { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2284 | s->be->be_counters.cli_aborts++; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2285 | sess->fe->fe_counters.cli_aborts++; |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 2286 | if (srv) |
| 2287 | srv->counters.cli_aborts++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2288 | s->flags |= SF_ERR_CLITO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 2289 | } |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2290 | sess_set_term_flags(s); |
| 2291 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2292 | } |
| 2293 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2294 | /* |
| 2295 | * Here we take care of forwarding unhandled data. This also includes |
| 2296 | * connection establishments and shutdown requests. |
| 2297 | */ |
| 2298 | |
| 2299 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2300 | /* If noone is interested in analysing data, it's time to forward |
Willy Tarreau | 31971e5 | 2009-09-20 12:07:52 +0200 | [diff] [blame] | 2301 | * everything. We configure the buffer to forward indefinitely. |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 2302 | * Note that we're checking CF_SHUTR_NOW as an indication of a possible |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 2303 | * recent call to channel_abort(). |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2304 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2305 | if (unlikely(!req->analysers && |
| 2306 | !(req->flags & (CF_SHUTW|CF_SHUTR_NOW)) && |
| 2307 | (si_f->state >= SI_ST_EST) && |
| 2308 | (req->to_forward != CHN_INFINITE_FORWARD))) { |
Willy Tarreau | b31c971 | 2012-11-11 23:05:39 +0100 | [diff] [blame] | 2309 | /* This buffer is freewheeling, there's no analyser |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2310 | * attached to it. If any data are left in, we'll permit them to |
| 2311 | * move. |
| 2312 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2313 | channel_auto_read(req); |
| 2314 | channel_auto_connect(req); |
| 2315 | channel_auto_close(req); |
| 2316 | buffer_flush(req->buf); |
Willy Tarreau | 5bd8c37 | 2009-01-19 00:32:22 +0100 | [diff] [blame] | 2317 | |
Willy Tarreau | da4d9fe | 2010-11-07 20:26:56 +0100 | [diff] [blame] | 2318 | /* We'll let data flow between the producer (if still connected) |
| 2319 | * to the consumer (which might possibly not be connected yet). |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2320 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2321 | if (!(req->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
| 2322 | channel_forward(req, CHN_INFINITE_FORWARD); |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2323 | } |
Willy Tarreau | f890dc9 | 2008-12-13 21:12:26 +0100 | [diff] [blame] | 2324 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2325 | /* check if it is wise to enable kernel splicing to forward request data */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2326 | if (!(req->flags & (CF_KERN_SPLICING|CF_SHUTR)) && |
| 2327 | req->to_forward && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2328 | (global.tune.options & GTUNE_USE_SPLICE) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2329 | (objt_conn(si_f->end) && __objt_conn(si_f->end)->xprt && __objt_conn(si_f->end)->xprt->rcv_pipe) && |
| 2330 | (objt_conn(si_b->end) && __objt_conn(si_b->end)->xprt && __objt_conn(si_b->end)->xprt->snd_pipe) && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2331 | (pipes_used < global.maxpipes) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2332 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) || |
| 2333 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2334 | (req->flags & CF_STREAMER_FAST)))) { |
| 2335 | req->flags |= CF_KERN_SPLICING; |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2336 | } |
| 2337 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2338 | /* reflect what the L7 analysers have seen last */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2339 | rqf_last = req->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2340 | |
| 2341 | /* |
| 2342 | * Now forward all shutdown requests between both sides of the buffer |
| 2343 | */ |
| 2344 | |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2345 | /* first, let's check if the request buffer needs to shutdown(write), which may |
| 2346 | * happen either because the input is closed or because we want to force a close |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2347 | * once the server has begun to respond. If a half-closed timeout is set, we adjust |
| 2348 | * the other side's timeout as well. |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2349 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2350 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) == |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2351 | (CF_AUTO_CLOSE|CF_SHUTR))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2352 | channel_shutw_now(req); |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2353 | if (tick_isset(sess->fe->timeout.clientfin)) { |
| 2354 | res->wto = sess->fe->timeout.clientfin; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2355 | res->wex = tick_add(now_ms, res->wto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2356 | } |
| 2357 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2358 | |
| 2359 | /* shutdown(write) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2360 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW && |
| 2361 | channel_is_empty(req))) { |
| 2362 | if (req->flags & CF_READ_ERROR) |
| 2363 | si_b->flags |= SI_FL_NOLINGER; |
| 2364 | si_shutw(si_b); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2365 | if (tick_isset(s->be->timeout.serverfin)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2366 | res->rto = s->be->timeout.serverfin; |
| 2367 | res->rex = tick_add(now_ms, res->rto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2368 | } |
Willy Tarreau | 8615c2a | 2013-06-21 08:20:19 +0200 | [diff] [blame] | 2369 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2370 | |
| 2371 | /* shutdown(write) done on server side, we must stop the client too */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2372 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW && |
| 2373 | !req->analysers)) |
| 2374 | channel_shutr_now(req); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2375 | |
| 2376 | /* shutdown(read) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2377 | if (unlikely((req->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) { |
| 2378 | if (si_f->flags & SI_FL_NOHALF) |
| 2379 | si_f->flags |= SI_FL_NOLINGER; |
| 2380 | si_shutr(si_f); |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2381 | if (tick_isset(sess->fe->timeout.clientfin)) { |
| 2382 | res->wto = sess->fe->timeout.clientfin; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2383 | res->wex = tick_add(now_ms, res->wto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2384 | } |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 2385 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2386 | |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2387 | /* it's possible that an upper layer has requested a connection setup or abort. |
| 2388 | * There are 2 situations where we decide to establish a new connection : |
| 2389 | * - there are data scheduled for emission in the buffer |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 2390 | * - the CF_AUTO_CONNECT flag is set (active connection) |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2391 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2392 | if (si_b->state == SI_ST_INI) { |
| 2393 | if (!(req->flags & CF_SHUTW)) { |
| 2394 | if ((req->flags & CF_AUTO_CONNECT) || !channel_is_empty(req)) { |
Willy Tarreau | cf644ed | 2013-09-29 17:19:56 +0200 | [diff] [blame] | 2395 | /* If we have an appctx, there is no connect method, so we |
| 2396 | * immediately switch to the connected state, otherwise we |
| 2397 | * perform a connection request. |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2398 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2399 | si_b->state = SI_ST_REQ; /* new connection requested */ |
| 2400 | si_b->conn_retries = s->be->conn_retries; |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2401 | } |
Willy Tarreau | 7320122 | 2009-08-16 18:27:24 +0200 | [diff] [blame] | 2402 | } |
Willy Tarreau | f41ffdc | 2009-09-20 08:19:25 +0200 | [diff] [blame] | 2403 | else { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2404 | si_b->state = SI_ST_CLO; /* shutw+ini = abort */ |
| 2405 | channel_shutw_now(req); /* fix buffer flags upon abort */ |
| 2406 | channel_shutr_now(res); |
Willy Tarreau | f41ffdc | 2009-09-20 08:19:25 +0200 | [diff] [blame] | 2407 | } |
Willy Tarreau | 9279562 | 2009-03-06 12:51:23 +0100 | [diff] [blame] | 2408 | } |
| 2409 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2410 | |
| 2411 | /* we may have a pending connection request, or a connection waiting |
| 2412 | * for completion. |
| 2413 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2414 | if (si_b->state >= SI_ST_REQ && si_b->state < SI_ST_CON) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2415 | do { |
| 2416 | /* nb: step 1 might switch from QUE to ASS, but we first want |
| 2417 | * to give a chance to step 2 to perform a redirect if needed. |
| 2418 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2419 | if (si_b->state != SI_ST_REQ) |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 2420 | sess_update_stream_int(s); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2421 | if (si_b->state == SI_ST_REQ) |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 2422 | sess_prepare_conn_req(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2423 | |
Willy Tarreau | 9e5a3aa | 2013-12-31 23:32:12 +0100 | [diff] [blame] | 2424 | /* applets directly go to the ESTABLISHED state. Similarly, |
| 2425 | * servers experience the same fate when their connection |
| 2426 | * is reused. |
| 2427 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2428 | if (unlikely(si_b->state == SI_ST_EST)) |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 2429 | sess_establish(s); |
Willy Tarreau | fac4bd1 | 2013-11-30 09:21:49 +0100 | [diff] [blame] | 2430 | |
Willy Tarreau | b44c873 | 2013-12-31 23:16:50 +0100 | [diff] [blame] | 2431 | /* Now we can add the server name to a header (if requested) */ |
| 2432 | /* check for HTTP mode and proxy server_name_hdr_name != NULL */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2433 | if ((si_b->state >= SI_ST_CON) && |
Willy Tarreau | b44c873 | 2013-12-31 23:16:50 +0100 | [diff] [blame] | 2434 | (s->be->server_id_hdr_name != NULL) && |
| 2435 | (s->be->mode == PR_MODE_HTTP) && |
| 2436 | objt_server(s->target)) { |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2437 | http_send_name_header(s->txn, s->be, objt_server(s->target)->id); |
Willy Tarreau | 1e5dfda | 2013-04-07 18:19:16 +0200 | [diff] [blame] | 2438 | } |
| 2439 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 2440 | srv = objt_server(s->target); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2441 | if (si_b->state == SI_ST_ASS && srv && srv->rdr_len && (s->flags & SF_REDIRECTABLE)) |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2442 | http_perform_server_redirect(s, si_b); |
| 2443 | } while (si_b->state == SI_ST_ASS); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2444 | } |
| 2445 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2446 | /* Benchmarks have shown that it's optimal to do a full resync now */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2447 | if (si_f->state == SI_ST_DIS || si_b->state == SI_ST_DIS) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2448 | goto resync_stream_interface; |
| 2449 | |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 2450 | /* otherwise we want to check if we need to resync the req buffer or not */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2451 | if ((req->flags ^ rqf_last) & CF_MASK_STATIC) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2452 | goto resync_request; |
| 2453 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2454 | /* perform output updates to the response buffer */ |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2455 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2456 | /* If noone is interested in analysing data, it's time to forward |
Willy Tarreau | 31971e5 | 2009-09-20 12:07:52 +0200 | [diff] [blame] | 2457 | * everything. We configure the buffer to forward indefinitely. |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 2458 | * Note that we're checking CF_SHUTR_NOW as an indication of a possible |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 2459 | * recent call to channel_abort(). |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2460 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2461 | if (unlikely(!res->analysers && |
| 2462 | !(res->flags & (CF_SHUTW|CF_SHUTR_NOW)) && |
| 2463 | (si_b->state >= SI_ST_EST) && |
| 2464 | (res->to_forward != CHN_INFINITE_FORWARD))) { |
Willy Tarreau | b31c971 | 2012-11-11 23:05:39 +0100 | [diff] [blame] | 2465 | /* This buffer is freewheeling, there's no analyser |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2466 | * attached to it. If any data are left in, we'll permit them to |
| 2467 | * move. |
| 2468 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2469 | channel_auto_read(res); |
| 2470 | channel_auto_close(res); |
| 2471 | buffer_flush(res->buf); |
Willy Tarreau | da4d9fe | 2010-11-07 20:26:56 +0100 | [diff] [blame] | 2472 | |
| 2473 | /* We'll let data flow between the producer (if still connected) |
| 2474 | * to the consumer. |
| 2475 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2476 | if (!(res->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
| 2477 | channel_forward(res, CHN_INFINITE_FORWARD); |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2478 | |
| 2479 | /* if we have no analyser anymore in any direction and have a |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2480 | * tunnel timeout set, use it now. Note that we must respect |
| 2481 | * the half-closed timeouts as well. |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2482 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2483 | if (!req->analysers && s->be->timeout.tunnel) { |
| 2484 | req->rto = req->wto = res->rto = res->wto = |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2485 | s->be->timeout.tunnel; |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2486 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2487 | if ((req->flags & CF_SHUTR) && tick_isset(sess->fe->timeout.clientfin)) |
| 2488 | res->wto = sess->fe->timeout.clientfin; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2489 | if ((req->flags & CF_SHUTW) && tick_isset(s->be->timeout.serverfin)) |
| 2490 | res->rto = s->be->timeout.serverfin; |
| 2491 | if ((res->flags & CF_SHUTR) && tick_isset(s->be->timeout.serverfin)) |
| 2492 | req->wto = s->be->timeout.serverfin; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2493 | if ((res->flags & CF_SHUTW) && tick_isset(sess->fe->timeout.clientfin)) |
| 2494 | req->rto = sess->fe->timeout.clientfin; |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2495 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2496 | req->rex = tick_add(now_ms, req->rto); |
| 2497 | req->wex = tick_add(now_ms, req->wto); |
| 2498 | res->rex = tick_add(now_ms, res->rto); |
| 2499 | res->wex = tick_add(now_ms, res->wto); |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2500 | } |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2501 | } |
Willy Tarreau | f890dc9 | 2008-12-13 21:12:26 +0100 | [diff] [blame] | 2502 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2503 | /* check if it is wise to enable kernel splicing to forward response data */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2504 | if (!(res->flags & (CF_KERN_SPLICING|CF_SHUTR)) && |
| 2505 | res->to_forward && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2506 | (global.tune.options & GTUNE_USE_SPLICE) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2507 | (objt_conn(si_f->end) && __objt_conn(si_f->end)->xprt && __objt_conn(si_f->end)->xprt->snd_pipe) && |
| 2508 | (objt_conn(si_b->end) && __objt_conn(si_b->end)->xprt && __objt_conn(si_b->end)->xprt->rcv_pipe) && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2509 | (pipes_used < global.maxpipes) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2510 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_RTR) || |
| 2511 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2512 | (res->flags & CF_STREAMER_FAST)))) { |
| 2513 | res->flags |= CF_KERN_SPLICING; |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2514 | } |
| 2515 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2516 | /* reflect what the L7 analysers have seen last */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2517 | rpf_last = res->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2518 | |
| 2519 | /* |
| 2520 | * Now forward all shutdown requests between both sides of the buffer |
| 2521 | */ |
| 2522 | |
| 2523 | /* |
| 2524 | * FIXME: this is probably where we should produce error responses. |
| 2525 | */ |
| 2526 | |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2527 | /* first, let's check if the response buffer needs to shutdown(write) */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2528 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) == |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2529 | (CF_AUTO_CLOSE|CF_SHUTR))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2530 | channel_shutw_now(res); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2531 | if (tick_isset(s->be->timeout.serverfin)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2532 | req->wto = s->be->timeout.serverfin; |
| 2533 | req->wex = tick_add(now_ms, req->wto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2534 | } |
| 2535 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2536 | |
| 2537 | /* shutdown(write) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2538 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW && |
| 2539 | channel_is_empty(res))) { |
| 2540 | si_shutw(si_f); |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2541 | if (tick_isset(sess->fe->timeout.clientfin)) { |
| 2542 | req->rto = sess->fe->timeout.clientfin; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2543 | req->rex = tick_add(now_ms, req->rto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2544 | } |
| 2545 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2546 | |
| 2547 | /* shutdown(write) done on the client side, we must stop the server too */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2548 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW) && |
| 2549 | !res->analysers) |
| 2550 | channel_shutr_now(res); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2551 | |
| 2552 | /* shutdown(read) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2553 | if (unlikely((res->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) { |
| 2554 | if (si_b->flags & SI_FL_NOHALF) |
| 2555 | si_b->flags |= SI_FL_NOLINGER; |
| 2556 | si_shutr(si_b); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2557 | if (tick_isset(s->be->timeout.serverfin)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2558 | req->wto = s->be->timeout.serverfin; |
| 2559 | req->wex = tick_add(now_ms, req->wto); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2560 | } |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 2561 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2562 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2563 | if (si_f->state == SI_ST_DIS || si_b->state == SI_ST_DIS) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2564 | goto resync_stream_interface; |
| 2565 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2566 | if (req->flags != rqf_last) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2567 | goto resync_request; |
| 2568 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2569 | if ((res->flags ^ rpf_last) & CF_MASK_STATIC) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2570 | goto resync_response; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2571 | |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2572 | /* we're interested in getting wakeups again */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2573 | si_f->flags &= ~SI_FL_DONT_WAKE; |
| 2574 | si_b->flags &= ~SI_FL_DONT_WAKE; |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2575 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2576 | /* This is needed only when debugging is enabled, to indicate |
| 2577 | * client-side or server-side close. Please note that in the unlikely |
| 2578 | * event where both sides would close at once, the sequence is reported |
| 2579 | * on the server side first. |
| 2580 | */ |
| 2581 | if (unlikely((global.mode & MODE_DEBUG) && |
| 2582 | (!(global.mode & MODE_QUIET) || |
| 2583 | (global.mode & MODE_VERBOSE)))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2584 | if (si_b->state == SI_ST_CLO && |
| 2585 | si_b->prev_state == SI_ST_EST) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2586 | chunk_printf(&trash, "%08x:%s.srvcls[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2587 | s->uniq_id, s->be->id, |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2588 | objt_conn(si_f->end) ? (unsigned short)objt_conn(si_f->end)->t.sock.fd : -1, |
| 2589 | objt_conn(si_b->end) ? (unsigned short)objt_conn(si_b->end)->t.sock.fd : -1); |
Willy Tarreau | 89efaed | 2013-12-13 15:14:55 +0100 | [diff] [blame] | 2590 | shut_your_big_mouth_gcc(write(1, trash.str, trash.len)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2591 | } |
| 2592 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2593 | if (si_f->state == SI_ST_CLO && |
| 2594 | si_f->prev_state == SI_ST_EST) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2595 | chunk_printf(&trash, "%08x:%s.clicls[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2596 | s->uniq_id, s->be->id, |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2597 | objt_conn(si_f->end) ? (unsigned short)objt_conn(si_f->end)->t.sock.fd : -1, |
| 2598 | objt_conn(si_b->end) ? (unsigned short)objt_conn(si_b->end)->t.sock.fd : -1); |
Willy Tarreau | 89efaed | 2013-12-13 15:14:55 +0100 | [diff] [blame] | 2599 | shut_your_big_mouth_gcc(write(1, trash.str, trash.len)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2600 | } |
| 2601 | } |
| 2602 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2603 | if (likely((si_f->state != SI_ST_CLO) || |
| 2604 | (si_b->state > SI_ST_INI && si_b->state < SI_ST_CLO))) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2605 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2606 | if ((sess->fe->options & PR_O_CONTSTATS) && (s->flags & SF_BE_ASSIGNED)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2607 | stream_process_counters(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2608 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2609 | if (si_f->state == SI_ST_EST && obj_type(si_f->end) != OBJ_TYPE_APPCTX) |
| 2610 | si_update(si_f); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2611 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2612 | if (si_b->state == SI_ST_EST && obj_type(si_b->end) != OBJ_TYPE_APPCTX) |
| 2613 | si_update(si_b); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2614 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2615 | req->flags &= ~(CF_READ_NULL|CF_READ_PARTIAL|CF_WRITE_NULL|CF_WRITE_PARTIAL|CF_READ_ATTACHED); |
| 2616 | res->flags &= ~(CF_READ_NULL|CF_READ_PARTIAL|CF_WRITE_NULL|CF_WRITE_PARTIAL|CF_READ_ATTACHED); |
| 2617 | si_f->prev_state = si_f->state; |
| 2618 | si_b->prev_state = si_b->state; |
| 2619 | si_f->flags &= ~(SI_FL_ERR|SI_FL_EXP); |
| 2620 | si_b->flags &= ~(SI_FL_ERR|SI_FL_EXP); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2621 | |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 2622 | /* Trick: if a request is being waiting for the server to respond, |
| 2623 | * and if we know the server can timeout, we don't want the timeout |
| 2624 | * to expire on the client side first, but we're still interested |
| 2625 | * in passing data from the client to the server (eg: POST). Thus, |
| 2626 | * we can cancel the client's request timeout if the server's |
| 2627 | * request timeout is set and the server has not yet sent a response. |
| 2628 | */ |
| 2629 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2630 | if ((res->flags & (CF_AUTO_CLOSE|CF_SHUTR)) == 0 && |
| 2631 | (tick_isset(req->wex) || tick_isset(res->rex))) { |
| 2632 | req->flags |= CF_READ_NOEXP; |
| 2633 | req->rex = TICK_ETERNITY; |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 2634 | } |
| 2635 | |
Willy Tarreau | cf644ed | 2013-09-29 17:19:56 +0200 | [diff] [blame] | 2636 | /* When any of the stream interfaces is attached to an applet, |
| 2637 | * we have to call it here. Note that this one may wake the |
| 2638 | * task up again. If at least one applet was called, the current |
| 2639 | * task might have been woken up, in which case we don't want it |
| 2640 | * to be requeued to the wait queue but rather to the run queue |
| 2641 | * to run ASAP. The bitwise "or" in the condition ensures that |
| 2642 | * both functions are always called and that we wake up if at |
| 2643 | * least one did something. |
Willy Tarreau | 1accfc0 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2644 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2645 | if ((si_applet_call(si_b) | si_applet_call(si_f)) != 0) { |
Willy Tarreau | 1accfc0 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2646 | if (task_in_rq(t)) { |
Willy Tarreau | 1accfc0 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2647 | t->expire = TICK_ETERNITY; |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2648 | stream_release_buffers(s); |
Willy Tarreau | 1accfc0 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2649 | return t; |
| 2650 | } |
| 2651 | } |
| 2652 | |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 2653 | update_exp_and_leave: |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2654 | t->expire = tick_first(tick_first(req->rex, req->wex), |
| 2655 | tick_first(res->rex, res->wex)); |
| 2656 | if (req->analysers) |
| 2657 | t->expire = tick_first(t->expire, req->analyse_exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2658 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2659 | if (si_f->exp) |
| 2660 | t->expire = tick_first(t->expire, si_f->exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2661 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2662 | if (si_b->exp) |
| 2663 | t->expire = tick_first(t->expire, si_b->exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2664 | |
| 2665 | #ifdef DEBUG_FULL |
Willy Tarreau | 127334e | 2009-03-28 10:47:26 +0100 | [diff] [blame] | 2666 | fprintf(stderr, |
| 2667 | "[%u] queuing with exp=%u req->rex=%u req->wex=%u req->ana_exp=%u" |
| 2668 | " rep->rex=%u rep->wex=%u, si[0].exp=%u, si[1].exp=%u, cs=%d, ss=%d\n", |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2669 | now_ms, t->expire, req->rex, req->wex, req->analyse_exp, |
| 2670 | res->rex, res->wex, si_f->exp, si_b->exp, si_f->state, si_b->state); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2671 | #endif |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2672 | |
| 2673 | #ifdef DEBUG_DEV |
| 2674 | /* this may only happen when no timeout is set or in case of an FSM bug */ |
Willy Tarreau | d0a201b | 2009-03-08 15:53:06 +0100 | [diff] [blame] | 2675 | if (!tick_isset(t->expire)) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2676 | ABORT_NOW(); |
| 2677 | #endif |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2678 | stream_release_buffers(s); |
Willy Tarreau | 26c2506 | 2009-03-08 09:38:41 +0100 | [diff] [blame] | 2679 | return t; /* nothing more to do */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2680 | } |
| 2681 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2682 | sess->fe->feconn--; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2683 | if (s->flags & SF_BE_ASSIGNED) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2684 | s->be->beconn--; |
Willy Tarreau | af7ad00 | 2010-08-31 15:39:26 +0200 | [diff] [blame] | 2685 | jobs--; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 2686 | if (sess->listener) { |
| 2687 | if (!(sess->listener->options & LI_O_UNLIMITED)) |
Thierry FOURNIER | a47a94f | 2014-03-20 15:42:53 +0100 | [diff] [blame] | 2688 | actconn--; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 2689 | sess->listener->nbconn--; |
| 2690 | if (sess->listener->state == LI_FULL) |
| 2691 | resume_listener(sess->listener); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2692 | |
Thierry FOURNIER | a47a94f | 2014-03-20 15:42:53 +0100 | [diff] [blame] | 2693 | /* Dequeues all of the listeners waiting for a resource */ |
| 2694 | if (!LIST_ISEMPTY(&global_listener_queue)) |
| 2695 | dequeue_all_listeners(&global_listener_queue); |
Willy Tarreau | 08ceb10 | 2011-07-24 22:58:00 +0200 | [diff] [blame] | 2696 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2697 | if (!LIST_ISEMPTY(&sess->fe->listener_queue) && |
| 2698 | (!sess->fe->fe_sps_lim || freq_ctr_remain(&sess->fe->fe_sess_per_sec, sess->fe->fe_sps_lim, 0) > 0)) |
| 2699 | dequeue_all_listeners(&sess->fe->listener_queue); |
Thierry FOURNIER | a47a94f | 2014-03-20 15:42:53 +0100 | [diff] [blame] | 2700 | } |
Willy Tarreau | 07687c1 | 2011-07-24 23:55:06 +0200 | [diff] [blame] | 2701 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2702 | if (unlikely((global.mode & MODE_DEBUG) && |
| 2703 | (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2704 | chunk_printf(&trash, "%08x:%s.closed[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2705 | s->uniq_id, s->be->id, |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2706 | objt_conn(si_f->end) ? (unsigned short)objt_conn(si_f->end)->t.sock.fd : -1, |
| 2707 | objt_conn(si_b->end) ? (unsigned short)objt_conn(si_b->end)->t.sock.fd : -1); |
Willy Tarreau | 89efaed | 2013-12-13 15:14:55 +0100 | [diff] [blame] | 2708 | shut_your_big_mouth_gcc(write(1, trash.str, trash.len)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2709 | } |
| 2710 | |
| 2711 | s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2712 | stream_process_counters(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2713 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2714 | if (s->txn && s->txn->status) { |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2715 | int n; |
| 2716 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2717 | n = s->txn->status / 100; |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2718 | if (n < 1 || n > 5) |
| 2719 | n = 0; |
| 2720 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2721 | if (sess->fe->mode == PR_MODE_HTTP) { |
| 2722 | sess->fe->fe_counters.p.http.rsp[n]++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2723 | if (s->comp_algo && (s->flags & SF_COMP_READY)) |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2724 | sess->fe->fe_counters.p.http.comp_rsp++; |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2725 | } |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2726 | if ((s->flags & SF_BE_ASSIGNED) && |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2727 | (s->be->mode == PR_MODE_HTTP)) { |
Willy Tarreau | 7d0aaf3 | 2011-03-10 23:25:56 +0100 | [diff] [blame] | 2728 | s->be->be_counters.p.http.rsp[n]++; |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2729 | s->be->be_counters.p.http.cum_req++; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2730 | if (s->comp_algo && (s->flags & SF_COMP_READY)) |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2731 | s->be->be_counters.p.http.comp_rsp++; |
| 2732 | } |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2733 | } |
| 2734 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2735 | /* let's do a final log if we need it */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2736 | if (!LIST_ISEMPTY(&sess->fe->logformat) && s->logs.logwait && |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2737 | !(s->flags & SF_MONITOR) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2738 | (!(sess->fe->options & PR_O_NULLNOLOG) || req->total)) { |
Willy Tarreau | a5555ec | 2008-11-30 19:02:32 +0100 | [diff] [blame] | 2739 | s->do_log(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2740 | } |
| 2741 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2742 | /* update time stats for this stream */ |
| 2743 | stream_update_time_stats(s); |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2744 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2745 | /* the task MUST not be in the run queue anymore */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2746 | stream_free(s); |
Willy Tarreau | 26c2506 | 2009-03-08 09:38:41 +0100 | [diff] [blame] | 2747 | task_delete(t); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2748 | task_free(t); |
Willy Tarreau | 26c2506 | 2009-03-08 09:38:41 +0100 | [diff] [blame] | 2749 | return NULL; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2750 | } |
| 2751 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2752 | /* Update the stream's backend and server time stats */ |
| 2753 | void stream_update_time_stats(struct stream *s) |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2754 | { |
| 2755 | int t_request; |
| 2756 | int t_queue; |
| 2757 | int t_connect; |
| 2758 | int t_data; |
| 2759 | int t_close; |
| 2760 | struct server *srv; |
| 2761 | |
| 2762 | t_request = 0; |
| 2763 | t_queue = s->logs.t_queue; |
| 2764 | t_connect = s->logs.t_connect; |
| 2765 | t_close = s->logs.t_close; |
| 2766 | t_data = s->logs.t_data; |
| 2767 | |
| 2768 | if (s->be->mode != PR_MODE_HTTP) |
| 2769 | t_data = t_connect; |
| 2770 | |
| 2771 | if (t_connect < 0 || t_data < 0) |
| 2772 | return; |
| 2773 | |
| 2774 | if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept)) |
| 2775 | t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request); |
| 2776 | |
| 2777 | t_data -= t_connect; |
| 2778 | t_connect -= t_queue; |
| 2779 | t_queue -= t_request; |
| 2780 | |
| 2781 | srv = objt_server(s->target); |
| 2782 | if (srv) { |
| 2783 | swrate_add(&srv->counters.q_time, TIME_STATS_SAMPLES, t_queue); |
| 2784 | swrate_add(&srv->counters.c_time, TIME_STATS_SAMPLES, t_connect); |
| 2785 | swrate_add(&srv->counters.d_time, TIME_STATS_SAMPLES, t_data); |
| 2786 | swrate_add(&srv->counters.t_time, TIME_STATS_SAMPLES, t_close); |
| 2787 | } |
| 2788 | swrate_add(&s->be->be_counters.q_time, TIME_STATS_SAMPLES, t_queue); |
| 2789 | swrate_add(&s->be->be_counters.c_time, TIME_STATS_SAMPLES, t_connect); |
| 2790 | swrate_add(&s->be->be_counters.d_time, TIME_STATS_SAMPLES, t_data); |
| 2791 | swrate_add(&s->be->be_counters.t_time, TIME_STATS_SAMPLES, t_close); |
| 2792 | } |
| 2793 | |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2794 | /* |
| 2795 | * This function adjusts sess->srv_conn and maintains the previous and new |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2796 | * server's served stream counts. Setting newsrv to NULL is enough to release |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2797 | * current connection slot. This function also notifies any LB algo which might |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2798 | * expect to be informed about any change in the number of active streams on a |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2799 | * server. |
| 2800 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2801 | void sess_change_server(struct stream *sess, struct server *newsrv) |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2802 | { |
| 2803 | if (sess->srv_conn == newsrv) |
| 2804 | return; |
| 2805 | |
| 2806 | if (sess->srv_conn) { |
| 2807 | sess->srv_conn->served--; |
| 2808 | if (sess->srv_conn->proxy->lbprm.server_drop_conn) |
| 2809 | sess->srv_conn->proxy->lbprm.server_drop_conn(sess->srv_conn); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2810 | stream_del_srv_conn(sess); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2811 | } |
| 2812 | |
| 2813 | if (newsrv) { |
| 2814 | newsrv->served++; |
| 2815 | if (newsrv->proxy->lbprm.server_take_conn) |
| 2816 | newsrv->proxy->lbprm.server_take_conn(newsrv); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2817 | stream_add_srv_conn(sess, newsrv); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2818 | } |
| 2819 | } |
| 2820 | |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2821 | /* Handle server-side errors for default protocols. It is called whenever a a |
| 2822 | * connection setup is aborted or a request is aborted in queue. It sets the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2823 | * stream termination flags so that the caller does not have to worry about |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2824 | * them. It's installed as ->srv_error for the server-side stream_interface. |
| 2825 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2826 | void default_srv_error(struct stream *s, struct stream_interface *si) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2827 | { |
| 2828 | int err_type = si->err_type; |
| 2829 | int err = 0, fin = 0; |
| 2830 | |
| 2831 | if (err_type & SI_ET_QUEUE_ABRT) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2832 | err = SF_ERR_CLICL; |
| 2833 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2834 | } |
| 2835 | else if (err_type & SI_ET_CONN_ABRT) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2836 | err = SF_ERR_CLICL; |
| 2837 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2838 | } |
| 2839 | else if (err_type & SI_ET_QUEUE_TO) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2840 | err = SF_ERR_SRVTO; |
| 2841 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2842 | } |
| 2843 | else if (err_type & SI_ET_QUEUE_ERR) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2844 | err = SF_ERR_SRVCL; |
| 2845 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2846 | } |
| 2847 | else if (err_type & SI_ET_CONN_TO) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2848 | err = SF_ERR_SRVTO; |
| 2849 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2850 | } |
| 2851 | else if (err_type & SI_ET_CONN_ERR) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2852 | err = SF_ERR_SRVCL; |
| 2853 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2854 | } |
Willy Tarreau | 2d400bb | 2012-05-14 12:11:47 +0200 | [diff] [blame] | 2855 | else if (err_type & SI_ET_CONN_RES) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2856 | err = SF_ERR_RESOURCE; |
| 2857 | fin = SF_FINST_C; |
Willy Tarreau | 2d400bb | 2012-05-14 12:11:47 +0200 | [diff] [blame] | 2858 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2859 | else /* SI_ET_CONN_OTHER and others */ { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2860 | err = SF_ERR_INTERNAL; |
| 2861 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2862 | } |
| 2863 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2864 | if (!(s->flags & SF_ERR_MASK)) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2865 | s->flags |= err; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2866 | if (!(s->flags & SF_FINST_MASK)) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2867 | s->flags |= fin; |
| 2868 | } |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2869 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2870 | /* kill a stream and set the termination flags to <why> (one of SF_ERR_*) */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2871 | void stream_shutdown(struct stream *stream, int why) |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2872 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2873 | if (stream->req.flags & (CF_SHUTW|CF_SHUTW_NOW)) |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2874 | return; |
| 2875 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2876 | channel_shutw_now(&stream->req); |
| 2877 | channel_shutr_now(&stream->res); |
| 2878 | stream->task->nice = 1024; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2879 | if (!(stream->flags & SF_ERR_MASK)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2880 | stream->flags |= why; |
| 2881 | task_wakeup(stream->task, TASK_WOKEN_OTHER); |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2882 | } |
Willy Tarreau | 9ba2dcc | 2010-06-14 21:04:55 +0200 | [diff] [blame] | 2883 | |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 2884 | /************************************************************************/ |
| 2885 | /* All supported ACL keywords must be declared here. */ |
| 2886 | /************************************************************************/ |
| 2887 | |
Willy Tarreau | 4d4149c | 2013-07-23 19:33:46 +0200 | [diff] [blame] | 2888 | /* Returns a pointer to a stkctr depending on the fetch keyword name. |
| 2889 | * It is designed to be called as sc[0-9]_* sc_* or src_* exclusively. |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2890 | * sc[0-9]_* will return a pointer to the respective field in the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2891 | * stream <l4>. sc_* requires an UINT argument specifying the stick |
Willy Tarreau | 4d4149c | 2013-07-23 19:33:46 +0200 | [diff] [blame] | 2892 | * counter number. src_* will fill a locally allocated structure with |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2893 | * the table and entry corresponding to what is specified with src_*. |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2894 | * NULL may be returned if the designated stkctr is not tracked. For |
| 2895 | * the sc_* and sc[0-9]_* forms, an optional table argument may be |
| 2896 | * passed. When present, the currently tracked key is then looked up |
| 2897 | * in the specified table instead of the current table. The purpose is |
| 2898 | * to be able to convery multiple values per key (eg: have gpc0 from |
| 2899 | * multiple tables). |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2900 | */ |
Willy Tarreau | e12704b | 2014-07-15 19:06:18 +0200 | [diff] [blame] | 2901 | struct stkctr * |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2902 | smp_fetch_sc_stkctr(struct stream *l4, const struct arg *args, const char *kw) |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2903 | { |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 2904 | struct session *sess = strm_sess(l4); |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2905 | static struct stkctr stkctr; |
Willy Tarreau | 6a0b6bd | 2014-04-09 13:25:42 +0200 | [diff] [blame] | 2906 | struct stksess *stksess; |
Willy Tarreau | 4d4149c | 2013-07-23 19:33:46 +0200 | [diff] [blame] | 2907 | unsigned int num = kw[2] - '0'; |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2908 | int arg = 0; |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2909 | |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2910 | if (num == '_' - '0') { |
| 2911 | /* sc_* variant, args[0] = ctr# (mandatory) */ |
| 2912 | num = args[arg++].data.uint; |
Willy Tarreau | 4d4149c | 2013-07-23 19:33:46 +0200 | [diff] [blame] | 2913 | if (num >= MAX_SESS_STKCTR) |
| 2914 | return NULL; |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2915 | } |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2916 | else if (num > 9) { /* src_* variant, args[0] = table */ |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 2917 | struct stktable_key *key; |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 2918 | struct connection *conn = objt_conn(sess->origin); |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 2919 | |
| 2920 | if (!conn) |
| 2921 | return NULL; |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2922 | |
Thierry FOURNIER | 74c219d | 2014-04-14 14:35:40 +0200 | [diff] [blame] | 2923 | key = addr_to_stktable_key(&conn->addr.from, args->data.prx->table.type); |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2924 | if (!key) |
| 2925 | return NULL; |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 2926 | |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2927 | stkctr.table = &args->data.prx->table; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 2928 | stkctr_set_entry(&stkctr, stktable_lookup_key(stkctr.table, key)); |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2929 | return &stkctr; |
| 2930 | } |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2931 | |
| 2932 | /* Here, <num> contains the counter number from 0 to 9 for |
| 2933 | * the sc[0-9]_ form, or even higher using sc_(num) if needed. |
| 2934 | * args[arg] is the first optional argument. |
| 2935 | */ |
Willy Tarreau | 6a0b6bd | 2014-04-09 13:25:42 +0200 | [diff] [blame] | 2936 | stksess = stkctr_entry(&l4->stkctr[num]); |
| 2937 | if (!stksess) |
| 2938 | return NULL; |
| 2939 | |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2940 | if (unlikely(args[arg].type == ARGT_TAB)) { |
| 2941 | /* an alternate table was specified, let's look up the same key there */ |
| 2942 | stkctr.table = &args[arg].data.prx->table; |
Willy Tarreau | 6a0b6bd | 2014-04-09 13:25:42 +0200 | [diff] [blame] | 2943 | stkctr_set_entry(&stkctr, stktable_lookup(stkctr.table, stksess)); |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 2944 | return &stkctr; |
| 2945 | } |
Willy Tarreau | 6a0b6bd | 2014-04-09 13:25:42 +0200 | [diff] [blame] | 2946 | return &l4->stkctr[num]; |
Willy Tarreau | a65536c | 2013-07-22 22:40:11 +0200 | [diff] [blame] | 2947 | } |
| 2948 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2949 | /* set return a boolean indicating if the requested stream counter is |
Willy Tarreau | 8882124 | 2013-07-22 18:29:29 +0200 | [diff] [blame] | 2950 | * currently being tracked or not. |
| 2951 | * Supports being called as "sc[0-9]_tracked" only. |
| 2952 | */ |
Willy Tarreau | 6f1615f | 2013-06-03 15:15:22 +0200 | [diff] [blame] | 2953 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2954 | smp_fetch_sc_tracked(struct proxy *px, struct stream *strm, unsigned int opt, |
| 2955 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 6f1615f | 2013-06-03 15:15:22 +0200 | [diff] [blame] | 2956 | { |
| 2957 | smp->flags = SMP_F_VOL_TEST; |
| 2958 | smp->type = SMP_T_BOOL; |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2959 | smp->data.uint = !!smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 6f1615f | 2013-06-03 15:15:22 +0200 | [diff] [blame] | 2960 | return 1; |
| 2961 | } |
| 2962 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2963 | /* set <smp> to the General Purpose Counter 0 value from the stream's tracked |
Willy Tarreau | 30b2046 | 2013-07-22 19:46:52 +0200 | [diff] [blame] | 2964 | * frontend counters or from the src. |
| 2965 | * Supports being called as "sc[0-9]_get_gpc0" or "src_get_gpc0" only. Value |
| 2966 | * zero is returned if the key is new. |
| 2967 | */ |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 2968 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2969 | smp_fetch_sc_get_gpc0(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 2970 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 2971 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2972 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 30b2046 | 2013-07-22 19:46:52 +0200 | [diff] [blame] | 2973 | |
| 2974 | if (!stkctr) |
| 2975 | return 0; |
| 2976 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 2977 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 2978 | smp->type = SMP_T_UINT; |
| 2979 | smp->data.uint = 0; |
Willy Tarreau | 30b2046 | 2013-07-22 19:46:52 +0200 | [diff] [blame] | 2980 | |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 2981 | if (stkctr_entry(stkctr) != NULL) { |
| 2982 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_GPC0); |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 2983 | if (!ptr) |
| 2984 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 2985 | smp->data.uint = stktable_data_cast(ptr, gpc0); |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 2986 | } |
| 2987 | return 1; |
| 2988 | } |
| 2989 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2990 | /* set <smp> to the General Purpose Counter 0's event rate from the stream's |
Willy Tarreau | b5e0af0 | 2013-07-22 23:47:07 +0200 | [diff] [blame] | 2991 | * tracked frontend counters or from the src. |
| 2992 | * Supports being called as "sc[0-9]_gpc0_rate" or "src_gpc0_rate" only. |
| 2993 | * Value zero is returned if the key is new. |
| 2994 | */ |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 2995 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2996 | smp_fetch_sc_gpc0_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 2997 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 2998 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 2999 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | b5e0af0 | 2013-07-22 23:47:07 +0200 | [diff] [blame] | 3000 | |
| 3001 | if (!stkctr) |
| 3002 | return 0; |
| 3003 | |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3004 | smp->flags = SMP_F_VOL_TEST; |
| 3005 | smp->type = SMP_T_UINT; |
| 3006 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3007 | if (stkctr_entry(stkctr) != NULL) { |
| 3008 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_GPC0_RATE); |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3009 | if (!ptr) |
| 3010 | return 0; /* parameter not stored */ |
| 3011 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, gpc0_rate), |
Willy Tarreau | b5e0af0 | 2013-07-22 23:47:07 +0200 | [diff] [blame] | 3012 | stkctr->table->data_arg[STKTABLE_DT_GPC0_RATE].u); |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3013 | } |
| 3014 | return 1; |
| 3015 | } |
| 3016 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3017 | /* Increment the General Purpose Counter 0 value from the stream's tracked |
Willy Tarreau | 710d38c | 2013-07-23 00:07:04 +0200 | [diff] [blame] | 3018 | * frontend counters and return it into temp integer. |
| 3019 | * Supports being called as "sc[0-9]_inc_gpc0" or "src_inc_gpc0" only. |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 3020 | */ |
| 3021 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3022 | smp_fetch_sc_inc_gpc0(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3023 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 3024 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3025 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 710d38c | 2013-07-23 00:07:04 +0200 | [diff] [blame] | 3026 | |
| 3027 | if (!stkctr) |
| 3028 | return 0; |
| 3029 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3030 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3031 | smp->type = SMP_T_UINT; |
| 3032 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3033 | if (stkctr_entry(stkctr) != NULL) { |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3034 | void *ptr; |
| 3035 | |
| 3036 | /* First, update gpc0_rate if it's tracked. Second, update its |
| 3037 | * gpc0 if tracked. Returns gpc0's value otherwise the curr_ctr. |
| 3038 | */ |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3039 | ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_GPC0_RATE); |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3040 | if (ptr) { |
| 3041 | update_freq_ctr_period(&stktable_data_cast(ptr, gpc0_rate), |
Willy Tarreau | 710d38c | 2013-07-23 00:07:04 +0200 | [diff] [blame] | 3042 | stkctr->table->data_arg[STKTABLE_DT_GPC0_RATE].u, 1); |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3043 | smp->data.uint = (&stktable_data_cast(ptr, gpc0_rate))->curr_ctr; |
| 3044 | } |
| 3045 | |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3046 | ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_GPC0); |
Willy Tarreau | ba2ffd1 | 2013-05-29 15:54:14 +0200 | [diff] [blame] | 3047 | if (ptr) |
| 3048 | smp->data.uint = ++stktable_data_cast(ptr, gpc0); |
| 3049 | |
Willy Tarreau | c3bd972 | 2010-06-20 12:47:25 +0200 | [diff] [blame] | 3050 | } |
| 3051 | return 1; |
| 3052 | } |
| 3053 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3054 | /* Clear the General Purpose Counter 0 value from the stream's tracked |
Willy Tarreau | b9f441d | 2013-07-23 00:10:35 +0200 | [diff] [blame] | 3055 | * frontend counters and return its previous value into temp integer. |
| 3056 | * Supports being called as "sc[0-9]_clr_gpc0" or "src_clr_gpc0" only. |
Willy Tarreau | f73cd11 | 2011-08-13 01:45:16 +0200 | [diff] [blame] | 3057 | */ |
| 3058 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3059 | smp_fetch_sc_clr_gpc0(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3060 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | f73cd11 | 2011-08-13 01:45:16 +0200 | [diff] [blame] | 3061 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3062 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | b9f441d | 2013-07-23 00:10:35 +0200 | [diff] [blame] | 3063 | |
| 3064 | if (!stkctr) |
| 3065 | return 0; |
| 3066 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3067 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3068 | smp->type = SMP_T_UINT; |
| 3069 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3070 | if (stkctr_entry(stkctr) != NULL) { |
| 3071 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_GPC0); |
Willy Tarreau | f73cd11 | 2011-08-13 01:45:16 +0200 | [diff] [blame] | 3072 | if (!ptr) |
| 3073 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3074 | smp->data.uint = stktable_data_cast(ptr, gpc0); |
Willy Tarreau | f73cd11 | 2011-08-13 01:45:16 +0200 | [diff] [blame] | 3075 | stktable_data_cast(ptr, gpc0) = 0; |
| 3076 | } |
| 3077 | return 1; |
| 3078 | } |
| 3079 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3080 | /* set <smp> to the cumulated number of connections from the stream's tracked |
Willy Tarreau | 3b46c5c | 2013-07-23 00:22:50 +0200 | [diff] [blame] | 3081 | * frontend counters. Supports being called as "sc[0-9]_conn_cnt" or |
| 3082 | * "src_conn_cnt" only. |
| 3083 | */ |
Willy Tarreau | 9a3f849 | 2010-06-18 19:53:25 +0200 | [diff] [blame] | 3084 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3085 | smp_fetch_sc_conn_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3086 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 9a3f849 | 2010-06-18 19:53:25 +0200 | [diff] [blame] | 3087 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3088 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 3b46c5c | 2013-07-23 00:22:50 +0200 | [diff] [blame] | 3089 | |
| 3090 | if (!stkctr) |
| 3091 | return 0; |
| 3092 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3093 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3094 | smp->type = SMP_T_UINT; |
| 3095 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3096 | if (stkctr_entry(stkctr) != NULL) { |
| 3097 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_CONN_CNT); |
Willy Tarreau | 9a3f849 | 2010-06-18 19:53:25 +0200 | [diff] [blame] | 3098 | if (!ptr) |
| 3099 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3100 | smp->data.uint = stktable_data_cast(ptr, conn_cnt); |
Willy Tarreau | 9a3f849 | 2010-06-18 19:53:25 +0200 | [diff] [blame] | 3101 | } |
Willy Tarreau | 9a3f849 | 2010-06-18 19:53:25 +0200 | [diff] [blame] | 3102 | return 1; |
| 3103 | } |
| 3104 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3105 | /* set <smp> to the connection rate from the stream's tracked frontend |
Willy Tarreau | c8c6570 | 2013-07-23 15:09:35 +0200 | [diff] [blame] | 3106 | * counters. Supports being called as "sc[0-9]_conn_rate" or "src_conn_rate" |
| 3107 | * only. |
| 3108 | */ |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3109 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3110 | smp_fetch_sc_conn_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3111 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3112 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3113 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | c8c6570 | 2013-07-23 15:09:35 +0200 | [diff] [blame] | 3114 | |
| 3115 | if (!stkctr) |
| 3116 | return 0; |
| 3117 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3118 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3119 | smp->type = SMP_T_UINT; |
| 3120 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3121 | if (stkctr_entry(stkctr) != NULL) { |
| 3122 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_CONN_RATE); |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3123 | if (!ptr) |
| 3124 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3125 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, conn_rate), |
Willy Tarreau | c8c6570 | 2013-07-23 15:09:35 +0200 | [diff] [blame] | 3126 | stkctr->table->data_arg[STKTABLE_DT_CONN_RATE].u); |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3127 | } |
| 3128 | return 1; |
| 3129 | } |
| 3130 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3131 | /* set temp integer to the number of connections from the stream's source address |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3132 | * in the table pointed to by expr, after updating it. |
Willy Tarreau | 0146c2e | 2012-04-20 11:37:56 +0200 | [diff] [blame] | 3133 | * Accepts exactly 1 argument of type table. |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3134 | */ |
| 3135 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3136 | smp_fetch_src_updt_conn_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3137 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3138 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3139 | struct session *sess = strm_sess(strm); |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 3140 | struct connection *conn = objt_conn(sess->origin); |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3141 | struct stksess *ts; |
| 3142 | struct stktable_key *key; |
| 3143 | void *ptr; |
| 3144 | |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 3145 | if (!conn) |
| 3146 | return 0; |
| 3147 | |
Thierry FOURNIER | 74c219d | 2014-04-14 14:35:40 +0200 | [diff] [blame] | 3148 | key = addr_to_stktable_key(&conn->addr.from, px->table.type); |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3149 | if (!key) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 3150 | return 0; |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3151 | |
Willy Tarreau | 24e32d8 | 2012-04-23 23:55:44 +0200 | [diff] [blame] | 3152 | px = args->data.prx; |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3153 | |
Willy Tarreau | 1f7e925 | 2010-06-20 12:27:21 +0200 | [diff] [blame] | 3154 | if ((ts = stktable_update_key(&px->table, key)) == NULL) |
| 3155 | /* entry does not exist and could not be created */ |
| 3156 | return 0; |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3157 | |
| 3158 | ptr = stktable_data_ptr(&px->table, ts, STKTABLE_DT_CONN_CNT); |
| 3159 | if (!ptr) |
| 3160 | return 0; /* parameter not stored in this table */ |
| 3161 | |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3162 | smp->type = SMP_T_UINT; |
| 3163 | smp->data.uint = ++stktable_data_cast(ptr, conn_cnt); |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3164 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3165 | return 1; |
| 3166 | } |
| 3167 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3168 | /* set <smp> to the number of concurrent connections from the stream's tracked |
Willy Tarreau | f44a553 | 2013-07-23 15:17:53 +0200 | [diff] [blame] | 3169 | * frontend counters. Supports being called as "sc[0-9]_conn_cur" or |
| 3170 | * "src_conn_cur" only. |
| 3171 | */ |
Willy Tarreau | 9b0ddcf | 2010-06-18 21:14:36 +0200 | [diff] [blame] | 3172 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3173 | smp_fetch_sc_conn_cur(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3174 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 9b0ddcf | 2010-06-18 21:14:36 +0200 | [diff] [blame] | 3175 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3176 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | f44a553 | 2013-07-23 15:17:53 +0200 | [diff] [blame] | 3177 | |
| 3178 | if (!stkctr) |
| 3179 | return 0; |
| 3180 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3181 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3182 | smp->type = SMP_T_UINT; |
| 3183 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3184 | if (stkctr_entry(stkctr) != NULL) { |
| 3185 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_CONN_CUR); |
Willy Tarreau | 9b0ddcf | 2010-06-18 21:14:36 +0200 | [diff] [blame] | 3186 | if (!ptr) |
| 3187 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3188 | smp->data.uint = stktable_data_cast(ptr, conn_cur); |
Willy Tarreau | 9b0ddcf | 2010-06-18 21:14:36 +0200 | [diff] [blame] | 3189 | } |
| 3190 | return 1; |
| 3191 | } |
| 3192 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3193 | /* set <smp> to the cumulated number of streams from the stream's tracked |
Willy Tarreau | 2084308 | 2013-07-23 15:35:33 +0200 | [diff] [blame] | 3194 | * frontend counters. Supports being called as "sc[0-9]_sess_cnt" or |
| 3195 | * "src_sess_cnt" only. |
| 3196 | */ |
Willy Tarreau | f4d17d9 | 2010-06-18 22:10:12 +0200 | [diff] [blame] | 3197 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3198 | smp_fetch_sc_sess_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3199 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | f4d17d9 | 2010-06-18 22:10:12 +0200 | [diff] [blame] | 3200 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3201 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 2084308 | 2013-07-23 15:35:33 +0200 | [diff] [blame] | 3202 | |
| 3203 | if (!stkctr) |
| 3204 | return 0; |
| 3205 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3206 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3207 | smp->type = SMP_T_UINT; |
| 3208 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3209 | if (stkctr_entry(stkctr) != NULL) { |
| 3210 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_SESS_CNT); |
Willy Tarreau | f4d17d9 | 2010-06-18 22:10:12 +0200 | [diff] [blame] | 3211 | if (!ptr) |
| 3212 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3213 | smp->data.uint = stktable_data_cast(ptr, sess_cnt); |
Willy Tarreau | f4d17d9 | 2010-06-18 22:10:12 +0200 | [diff] [blame] | 3214 | } |
| 3215 | return 1; |
| 3216 | } |
| 3217 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3218 | /* set <smp> to the stream rate from the stream's tracked frontend counters. |
Willy Tarreau | 3a96f3f | 2013-07-23 15:48:01 +0200 | [diff] [blame] | 3219 | * Supports being called as "sc[0-9]_sess_rate" or "src_sess_rate" only. |
| 3220 | */ |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3221 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3222 | smp_fetch_sc_sess_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3223 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3224 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3225 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 3a96f3f | 2013-07-23 15:48:01 +0200 | [diff] [blame] | 3226 | |
| 3227 | if (!stkctr) |
| 3228 | return 0; |
| 3229 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3230 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3231 | smp->type = SMP_T_UINT; |
| 3232 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3233 | if (stkctr_entry(stkctr) != NULL) { |
| 3234 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_SESS_RATE); |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3235 | if (!ptr) |
| 3236 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3237 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, sess_rate), |
Willy Tarreau | 3a96f3f | 2013-07-23 15:48:01 +0200 | [diff] [blame] | 3238 | stkctr->table->data_arg[STKTABLE_DT_SESS_RATE].u); |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 3239 | } |
| 3240 | return 1; |
| 3241 | } |
| 3242 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3243 | /* set <smp> to the cumulated number of HTTP requests from the stream's tracked |
Willy Tarreau | 91200da | 2013-07-23 15:55:19 +0200 | [diff] [blame] | 3244 | * frontend counters. Supports being called as "sc[0-9]_http_req_cnt" or |
| 3245 | * "src_http_req_cnt" only. |
| 3246 | */ |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3247 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3248 | smp_fetch_sc_http_req_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3249 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3250 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3251 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 91200da | 2013-07-23 15:55:19 +0200 | [diff] [blame] | 3252 | |
| 3253 | if (!stkctr) |
| 3254 | return 0; |
| 3255 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3256 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3257 | smp->type = SMP_T_UINT; |
| 3258 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3259 | if (stkctr_entry(stkctr) != NULL) { |
| 3260 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_REQ_CNT); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3261 | if (!ptr) |
| 3262 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3263 | smp->data.uint = stktable_data_cast(ptr, http_req_cnt); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3264 | } |
| 3265 | return 1; |
| 3266 | } |
| 3267 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3268 | /* set <smp> to the HTTP request rate from the stream's tracked frontend |
Willy Tarreau | cf47763 | 2013-07-23 16:04:37 +0200 | [diff] [blame] | 3269 | * counters. Supports being called as "sc[0-9]_http_req_rate" or |
| 3270 | * "src_http_req_rate" only. |
| 3271 | */ |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3272 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3273 | smp_fetch_sc_http_req_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3274 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3275 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3276 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | cf47763 | 2013-07-23 16:04:37 +0200 | [diff] [blame] | 3277 | |
| 3278 | if (!stkctr) |
| 3279 | return 0; |
| 3280 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3281 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3282 | smp->type = SMP_T_UINT; |
| 3283 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3284 | if (stkctr_entry(stkctr) != NULL) { |
| 3285 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_REQ_RATE); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3286 | if (!ptr) |
| 3287 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3288 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_req_rate), |
Willy Tarreau | cf47763 | 2013-07-23 16:04:37 +0200 | [diff] [blame] | 3289 | stkctr->table->data_arg[STKTABLE_DT_HTTP_REQ_RATE].u); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3290 | } |
| 3291 | return 1; |
| 3292 | } |
| 3293 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3294 | /* set <smp> to the cumulated number of HTTP requests errors from the stream's |
Willy Tarreau | 30d07c3 | 2013-07-23 16:45:38 +0200 | [diff] [blame] | 3295 | * tracked frontend counters. Supports being called as "sc[0-9]_http_err_cnt" or |
| 3296 | * "src_http_err_cnt" only. |
| 3297 | */ |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3298 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3299 | smp_fetch_sc_http_err_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3300 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3301 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3302 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 30d07c3 | 2013-07-23 16:45:38 +0200 | [diff] [blame] | 3303 | |
| 3304 | if (!stkctr) |
| 3305 | return 0; |
| 3306 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3307 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3308 | smp->type = SMP_T_UINT; |
| 3309 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3310 | if (stkctr_entry(stkctr) != NULL) { |
| 3311 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_ERR_CNT); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3312 | if (!ptr) |
| 3313 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3314 | smp->data.uint = stktable_data_cast(ptr, http_err_cnt); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3315 | } |
| 3316 | return 1; |
| 3317 | } |
| 3318 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3319 | /* set <smp> to the HTTP request error rate from the stream's tracked frontend |
Willy Tarreau | 9daf262 | 2013-07-23 16:48:54 +0200 | [diff] [blame] | 3320 | * counters. Supports being called as "sc[0-9]_http_err_rate" or |
| 3321 | * "src_http_err_rate" only. |
| 3322 | */ |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3323 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3324 | smp_fetch_sc_http_err_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3325 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3326 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3327 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 9daf262 | 2013-07-23 16:48:54 +0200 | [diff] [blame] | 3328 | |
| 3329 | if (!stkctr) |
| 3330 | return 0; |
| 3331 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3332 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3333 | smp->type = SMP_T_UINT; |
| 3334 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3335 | if (stkctr_entry(stkctr) != NULL) { |
| 3336 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_HTTP_ERR_RATE); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3337 | if (!ptr) |
| 3338 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3339 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_err_rate), |
Willy Tarreau | 9daf262 | 2013-07-23 16:48:54 +0200 | [diff] [blame] | 3340 | stkctr->table->data_arg[STKTABLE_DT_HTTP_ERR_RATE].u); |
Willy Tarreau | da7ff64 | 2010-06-23 11:44:09 +0200 | [diff] [blame] | 3341 | } |
| 3342 | return 1; |
| 3343 | } |
| 3344 | |
Willy Tarreau | 5077d4b | 2013-07-23 17:17:10 +0200 | [diff] [blame] | 3345 | /* set <smp> to the number of kbytes received from clients, as found in the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3346 | * stream's tracked frontend counters. Supports being called as |
Willy Tarreau | 5077d4b | 2013-07-23 17:17:10 +0200 | [diff] [blame] | 3347 | * "sc[0-9]_kbytes_in" or "src_kbytes_in" only. |
| 3348 | */ |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3349 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3350 | smp_fetch_sc_kbytes_in(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3351 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3352 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3353 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 5077d4b | 2013-07-23 17:17:10 +0200 | [diff] [blame] | 3354 | |
| 3355 | if (!stkctr) |
| 3356 | return 0; |
| 3357 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3358 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3359 | smp->type = SMP_T_UINT; |
| 3360 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3361 | if (stkctr_entry(stkctr) != NULL) { |
| 3362 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_BYTES_IN_CNT); |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3363 | if (!ptr) |
| 3364 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3365 | smp->data.uint = stktable_data_cast(ptr, bytes_in_cnt) >> 10; |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3366 | } |
| 3367 | return 1; |
| 3368 | } |
| 3369 | |
Willy Tarreau | 613fe99 | 2013-07-23 17:39:19 +0200 | [diff] [blame] | 3370 | /* set <smp> to the data rate received from clients in bytes/s, as found |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3371 | * in the stream's tracked frontend counters. Supports being called as |
Willy Tarreau | 613fe99 | 2013-07-23 17:39:19 +0200 | [diff] [blame] | 3372 | * "sc[0-9]_bytes_in_rate" or "src_bytes_in_rate" only. |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3373 | */ |
| 3374 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3375 | smp_fetch_sc_bytes_in_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3376 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3377 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3378 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 613fe99 | 2013-07-23 17:39:19 +0200 | [diff] [blame] | 3379 | |
| 3380 | if (!stkctr) |
| 3381 | return 0; |
| 3382 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3383 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3384 | smp->type = SMP_T_UINT; |
| 3385 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3386 | if (stkctr_entry(stkctr) != NULL) { |
| 3387 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_BYTES_IN_RATE); |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3388 | if (!ptr) |
| 3389 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3390 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate), |
Willy Tarreau | 613fe99 | 2013-07-23 17:39:19 +0200 | [diff] [blame] | 3391 | stkctr->table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u); |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3392 | } |
| 3393 | return 1; |
| 3394 | } |
| 3395 | |
Willy Tarreau | 53aea10 | 2013-07-23 17:39:02 +0200 | [diff] [blame] | 3396 | /* set <smp> to the number of kbytes sent to clients, as found in the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3397 | * stream's tracked frontend counters. Supports being called as |
Willy Tarreau | 53aea10 | 2013-07-23 17:39:02 +0200 | [diff] [blame] | 3398 | * "sc[0-9]_kbytes_out" or "src_kbytes_out" only. |
| 3399 | */ |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3400 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3401 | smp_fetch_sc_kbytes_out(struct proxy *px, struct stream *strm, unsigned int opt, |
| 3402 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 1aa006f | 2010-06-18 21:52:52 +0200 | [diff] [blame] | 3403 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3404 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 53aea10 | 2013-07-23 17:39:02 +0200 | [diff] [blame] | 3405 | |
| 3406 | if (!stkctr) |
| 3407 | return 0; |
| 3408 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3409 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3410 | smp->type = SMP_T_UINT; |
| 3411 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3412 | if (stkctr_entry(stkctr) != NULL) { |
| 3413 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_BYTES_OUT_CNT); |
Willy Tarreau | 855e4bb | 2010-06-18 18:33:32 +0200 | [diff] [blame] | 3414 | if (!ptr) |
| 3415 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3416 | smp->data.uint = stktable_data_cast(ptr, bytes_out_cnt) >> 10; |
Willy Tarreau | 855e4bb | 2010-06-18 18:33:32 +0200 | [diff] [blame] | 3417 | } |
Willy Tarreau | 855e4bb | 2010-06-18 18:33:32 +0200 | [diff] [blame] | 3418 | return 1; |
| 3419 | } |
| 3420 | |
Willy Tarreau | a0b68ed | 2013-07-23 18:26:32 +0200 | [diff] [blame] | 3421 | /* set <smp> to the data rate sent to clients in bytes/s, as found in the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3422 | * stream's tracked frontend counters. Supports being called as |
Willy Tarreau | a0b68ed | 2013-07-23 18:26:32 +0200 | [diff] [blame] | 3423 | * "sc[0-9]_bytes_out_rate" or "src_bytes_out_rate" only. |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3424 | */ |
| 3425 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3426 | smp_fetch_sc_bytes_out_rate(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3427 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3428 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3429 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | a0b68ed | 2013-07-23 18:26:32 +0200 | [diff] [blame] | 3430 | |
| 3431 | if (!stkctr) |
| 3432 | return 0; |
| 3433 | |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3434 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3435 | smp->type = SMP_T_UINT; |
| 3436 | smp->data.uint = 0; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3437 | if (stkctr_entry(stkctr) != NULL) { |
| 3438 | void *ptr = stktable_data_ptr(stkctr->table, stkctr_entry(stkctr), STKTABLE_DT_BYTES_OUT_RATE); |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3439 | if (!ptr) |
| 3440 | return 0; /* parameter not stored */ |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3441 | smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate), |
Willy Tarreau | a0b68ed | 2013-07-23 18:26:32 +0200 | [diff] [blame] | 3442 | stkctr->table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u); |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 3443 | } |
| 3444 | return 1; |
| 3445 | } |
| 3446 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3447 | /* set <smp> to the number of active trackers on the SC entry in the stream's |
Willy Tarreau | 563eef4 | 2013-07-23 18:32:02 +0200 | [diff] [blame] | 3448 | * tracked frontend counters. Supports being called as "sc[0-9]_trackers" only. |
| 3449 | */ |
Willy Tarreau | 2406db4 | 2012-12-09 12:16:43 +0100 | [diff] [blame] | 3450 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3451 | smp_fetch_sc_trackers(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3452 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 2406db4 | 2012-12-09 12:16:43 +0100 | [diff] [blame] | 3453 | { |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3454 | struct stkctr *stkctr = smp_fetch_sc_stkctr(strm, args, kw); |
Willy Tarreau | 2406db4 | 2012-12-09 12:16:43 +0100 | [diff] [blame] | 3455 | |
Willy Tarreau | 563eef4 | 2013-07-23 18:32:02 +0200 | [diff] [blame] | 3456 | if (!stkctr) |
Willy Tarreau | 2406db4 | 2012-12-09 12:16:43 +0100 | [diff] [blame] | 3457 | return 0; |
| 3458 | |
Willy Tarreau | 563eef4 | 2013-07-23 18:32:02 +0200 | [diff] [blame] | 3459 | smp->flags = SMP_F_VOL_TEST; |
| 3460 | smp->type = SMP_T_UINT; |
Willy Tarreau | cc08d2c | 2014-01-28 23:18:23 +0100 | [diff] [blame] | 3461 | smp->data.uint = stkctr_entry(stkctr)->ref_cnt; |
Willy Tarreau | 563eef4 | 2013-07-23 18:32:02 +0200 | [diff] [blame] | 3462 | return 1; |
Willy Tarreau | e25c917 | 2013-05-28 18:32:20 +0200 | [diff] [blame] | 3463 | } |
| 3464 | |
Willy Tarreau | 34db108 | 2012-04-19 17:16:54 +0200 | [diff] [blame] | 3465 | /* set temp integer to the number of used entries in the table pointed to by expr. |
Willy Tarreau | 0146c2e | 2012-04-20 11:37:56 +0200 | [diff] [blame] | 3466 | * Accepts exactly 1 argument of type table. |
Willy Tarreau | 34db108 | 2012-04-19 17:16:54 +0200 | [diff] [blame] | 3467 | */ |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3468 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3469 | smp_fetch_table_cnt(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3470 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3471 | { |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3472 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3473 | smp->type = SMP_T_UINT; |
Willy Tarreau | 24e32d8 | 2012-04-23 23:55:44 +0200 | [diff] [blame] | 3474 | smp->data.uint = args->data.prx->table.current; |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3475 | return 1; |
| 3476 | } |
| 3477 | |
Willy Tarreau | 34db108 | 2012-04-19 17:16:54 +0200 | [diff] [blame] | 3478 | /* set temp integer to the number of free entries in the table pointed to by expr. |
Willy Tarreau | 0146c2e | 2012-04-20 11:37:56 +0200 | [diff] [blame] | 3479 | * Accepts exactly 1 argument of type table. |
Willy Tarreau | 34db108 | 2012-04-19 17:16:54 +0200 | [diff] [blame] | 3480 | */ |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3481 | static int |
Willy Tarreau | 15e91e1 | 2015-04-04 00:52:09 +0200 | [diff] [blame] | 3482 | smp_fetch_table_avl(struct proxy *px, struct stream *strm, unsigned int opt, |
Thierry FOURNIER | f41a809 | 2014-12-07 18:37:57 +0100 | [diff] [blame] | 3483 | const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3484 | { |
Willy Tarreau | 24e32d8 | 2012-04-23 23:55:44 +0200 | [diff] [blame] | 3485 | px = args->data.prx; |
Willy Tarreau | 3740635 | 2012-04-23 16:16:37 +0200 | [diff] [blame] | 3486 | smp->flags = SMP_F_VOL_TEST; |
Willy Tarreau | f853c46 | 2012-04-23 18:53:56 +0200 | [diff] [blame] | 3487 | smp->type = SMP_T_UINT; |
| 3488 | smp->data.uint = px->table.size - px->table.current; |
Willy Tarreau | c735a07 | 2011-03-29 00:57:02 +0200 | [diff] [blame] | 3489 | return 1; |
| 3490 | } |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3491 | |
Willy Tarreau | 61612d4 | 2012-04-19 18:42:05 +0200 | [diff] [blame] | 3492 | /* Note: must not be declared <const> as its list will be overwritten. |
| 3493 | * Please take care of keeping this list alphabetically sorted. |
| 3494 | */ |
Willy Tarreau | dc13c11 | 2013-06-21 23:16:39 +0200 | [diff] [blame] | 3495 | static struct acl_kw_list acl_kws = {ILH, { |
Willy Tarreau | 281c799 | 2013-01-08 01:23:27 +0100 | [diff] [blame] | 3496 | { /* END */ }, |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3497 | }}; |
| 3498 | |
Willy Tarreau | 281c799 | 2013-01-08 01:23:27 +0100 | [diff] [blame] | 3499 | /* Note: must not be declared <const> as its list will be overwritten. |
| 3500 | * Please take care of keeping this list alphabetically sorted. |
| 3501 | */ |
Willy Tarreau | dc13c11 | 2013-06-21 23:16:39 +0200 | [diff] [blame] | 3502 | static struct sample_fetch_kw_list smp_fetch_keywords = {ILH, { |
Willy Tarreau | 0f791d4 | 2013-07-23 19:56:43 +0200 | [diff] [blame] | 3503 | { "sc_bytes_in_rate", smp_fetch_sc_bytes_in_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3504 | { "sc_bytes_out_rate", smp_fetch_sc_bytes_out_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3505 | { "sc_clr_gpc0", smp_fetch_sc_clr_gpc0, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3506 | { "sc_conn_cnt", smp_fetch_sc_conn_cnt, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3507 | { "sc_conn_cur", smp_fetch_sc_conn_cur, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3508 | { "sc_conn_rate", smp_fetch_sc_conn_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3509 | { "sc_get_gpc0", smp_fetch_sc_get_gpc0, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3510 | { "sc_gpc0_rate", smp_fetch_sc_gpc0_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3511 | { "sc_http_err_cnt", smp_fetch_sc_http_err_cnt, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3512 | { "sc_http_err_rate", smp_fetch_sc_http_err_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3513 | { "sc_http_req_cnt", smp_fetch_sc_http_req_cnt, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3514 | { "sc_http_req_rate", smp_fetch_sc_http_req_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3515 | { "sc_inc_gpc0", smp_fetch_sc_inc_gpc0, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3516 | { "sc_kbytes_in", smp_fetch_sc_kbytes_in, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3517 | { "sc_kbytes_out", smp_fetch_sc_kbytes_out, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3518 | { "sc_sess_cnt", smp_fetch_sc_sess_cnt, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3519 | { "sc_sess_rate", smp_fetch_sc_sess_rate, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3520 | { "sc_tracked", smp_fetch_sc_tracked, ARG2(1,UINT,TAB), NULL, SMP_T_BOOL, SMP_USE_INTRN, }, |
| 3521 | { "sc_trackers", smp_fetch_sc_trackers, ARG2(1,UINT,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3522 | { "sc0_bytes_in_rate", smp_fetch_sc_bytes_in_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3523 | { "sc0_bytes_out_rate", smp_fetch_sc_bytes_out_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3524 | { "sc0_clr_gpc0", smp_fetch_sc_clr_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3525 | { "sc0_conn_cnt", smp_fetch_sc_conn_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3526 | { "sc0_conn_cur", smp_fetch_sc_conn_cur, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3527 | { "sc0_conn_rate", smp_fetch_sc_conn_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3528 | { "sc0_get_gpc0", smp_fetch_sc_get_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3529 | { "sc0_gpc0_rate", smp_fetch_sc_gpc0_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3530 | { "sc0_http_err_cnt", smp_fetch_sc_http_err_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3531 | { "sc0_http_err_rate", smp_fetch_sc_http_err_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3532 | { "sc0_http_req_cnt", smp_fetch_sc_http_req_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3533 | { "sc0_http_req_rate", smp_fetch_sc_http_req_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3534 | { "sc0_inc_gpc0", smp_fetch_sc_inc_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3535 | { "sc0_kbytes_in", smp_fetch_sc_kbytes_in, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3536 | { "sc0_kbytes_out", smp_fetch_sc_kbytes_out, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3537 | { "sc0_sess_cnt", smp_fetch_sc_sess_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3538 | { "sc0_sess_rate", smp_fetch_sc_sess_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3539 | { "sc0_tracked", smp_fetch_sc_tracked, ARG1(0,TAB), NULL, SMP_T_BOOL, SMP_USE_INTRN, }, |
| 3540 | { "sc0_trackers", smp_fetch_sc_trackers, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3541 | { "sc1_bytes_in_rate", smp_fetch_sc_bytes_in_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3542 | { "sc1_bytes_out_rate", smp_fetch_sc_bytes_out_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3543 | { "sc1_clr_gpc0", smp_fetch_sc_clr_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3544 | { "sc1_conn_cnt", smp_fetch_sc_conn_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3545 | { "sc1_conn_cur", smp_fetch_sc_conn_cur, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3546 | { "sc1_conn_rate", smp_fetch_sc_conn_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3547 | { "sc1_get_gpc0", smp_fetch_sc_get_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3548 | { "sc1_gpc0_rate", smp_fetch_sc_gpc0_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3549 | { "sc1_http_err_cnt", smp_fetch_sc_http_err_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3550 | { "sc1_http_err_rate", smp_fetch_sc_http_err_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3551 | { "sc1_http_req_cnt", smp_fetch_sc_http_req_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3552 | { "sc1_http_req_rate", smp_fetch_sc_http_req_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3553 | { "sc1_inc_gpc0", smp_fetch_sc_inc_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3554 | { "sc1_kbytes_in", smp_fetch_sc_kbytes_in, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3555 | { "sc1_kbytes_out", smp_fetch_sc_kbytes_out, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3556 | { "sc1_sess_cnt", smp_fetch_sc_sess_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3557 | { "sc1_sess_rate", smp_fetch_sc_sess_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3558 | { "sc1_tracked", smp_fetch_sc_tracked, ARG1(0,TAB), NULL, SMP_T_BOOL, SMP_USE_INTRN, }, |
| 3559 | { "sc1_trackers", smp_fetch_sc_trackers, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3560 | { "sc2_bytes_in_rate", smp_fetch_sc_bytes_in_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3561 | { "sc2_bytes_out_rate", smp_fetch_sc_bytes_out_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3562 | { "sc2_clr_gpc0", smp_fetch_sc_clr_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3563 | { "sc2_conn_cnt", smp_fetch_sc_conn_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3564 | { "sc2_conn_cur", smp_fetch_sc_conn_cur, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3565 | { "sc2_conn_rate", smp_fetch_sc_conn_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3566 | { "sc2_get_gpc0", smp_fetch_sc_get_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3567 | { "sc2_gpc0_rate", smp_fetch_sc_gpc0_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3568 | { "sc2_http_err_cnt", smp_fetch_sc_http_err_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3569 | { "sc2_http_err_rate", smp_fetch_sc_http_err_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3570 | { "sc2_http_req_cnt", smp_fetch_sc_http_req_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3571 | { "sc2_http_req_rate", smp_fetch_sc_http_req_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3572 | { "sc2_inc_gpc0", smp_fetch_sc_inc_gpc0, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3573 | { "sc2_kbytes_in", smp_fetch_sc_kbytes_in, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3574 | { "sc2_kbytes_out", smp_fetch_sc_kbytes_out, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3575 | { "sc2_sess_cnt", smp_fetch_sc_sess_cnt, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3576 | { "sc2_sess_rate", smp_fetch_sc_sess_rate, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3577 | { "sc2_tracked", smp_fetch_sc_tracked, ARG1(0,TAB), NULL, SMP_T_BOOL, SMP_USE_INTRN, }, |
| 3578 | { "sc2_trackers", smp_fetch_sc_trackers, ARG1(0,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3579 | { "src_bytes_in_rate", smp_fetch_sc_bytes_in_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3580 | { "src_bytes_out_rate", smp_fetch_sc_bytes_out_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3581 | { "src_clr_gpc0", smp_fetch_sc_clr_gpc0, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3582 | { "src_conn_cnt", smp_fetch_sc_conn_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3583 | { "src_conn_cur", smp_fetch_sc_conn_cur, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3584 | { "src_conn_rate", smp_fetch_sc_conn_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3585 | { "src_get_gpc0", smp_fetch_sc_get_gpc0, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3586 | { "src_gpc0_rate", smp_fetch_sc_gpc0_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3587 | { "src_http_err_cnt", smp_fetch_sc_http_err_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3588 | { "src_http_err_rate", smp_fetch_sc_http_err_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3589 | { "src_http_req_cnt", smp_fetch_sc_http_req_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3590 | { "src_http_req_rate", smp_fetch_sc_http_req_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3591 | { "src_inc_gpc0", smp_fetch_sc_inc_gpc0, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3592 | { "src_kbytes_in", smp_fetch_sc_kbytes_in, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3593 | { "src_kbytes_out", smp_fetch_sc_kbytes_out, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3594 | { "src_sess_cnt", smp_fetch_sc_sess_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3595 | { "src_sess_rate", smp_fetch_sc_sess_rate, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3596 | { "src_updt_conn_cnt", smp_fetch_src_updt_conn_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_L4CLI, }, |
| 3597 | { "table_avl", smp_fetch_table_avl, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
| 3598 | { "table_cnt", smp_fetch_table_cnt, ARG1(1,TAB), NULL, SMP_T_UINT, SMP_USE_INTRN, }, |
Willy Tarreau | 281c799 | 2013-01-08 01:23:27 +0100 | [diff] [blame] | 3599 | { /* END */ }, |
| 3600 | }}; |
| 3601 | |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3602 | __attribute__((constructor)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 3603 | static void __stream_init(void) |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3604 | { |
Willy Tarreau | 281c799 | 2013-01-08 01:23:27 +0100 | [diff] [blame] | 3605 | sample_register_fetches(&smp_fetch_keywords); |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3606 | acl_register_keywords(&acl_kws); |
| 3607 | } |
| 3608 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3609 | /* |
| 3610 | * Local variables: |
| 3611 | * c-indent-level: 8 |
| 3612 | * c-basic-offset: 8 |
| 3613 | * End: |
| 3614 | */ |