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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
Willy Tarreau81f9aa32010-06-01 17:45:26 +02002 * Session management functions.
Willy Tarreaubaaee002006-06-26 02:48:02 +02003 *
Willy Tarreaud28c3532012-04-19 19:28:33 +02004 * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
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 Tarreau81f9aa32010-06-01 17:45:26 +020014#include <unistd.h>
15#include <fcntl.h>
Willy Tarreaue3ba5f02006-06-29 18:54:54 +020016
17#include <common/config.h>
Willy Tarreau7c669d72008-06-20 15:04:11 +020018#include <common/debug.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020019#include <common/memory.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020020
Willy Tarreaubaaee002006-06-26 02:48:02 +020021#include <types/capture.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010022#include <types/global.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020023
Willy Tarreau1d0dfb12009-07-07 15:10:31 +020024#include <proto/acl.h>
Willy Tarreau61612d42012-04-19 18:42:05 +020025#include <proto/arg.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010026#include <proto/backend.h>
Willy Tarreau7341d942007-05-13 19:56:02 +020027#include <proto/buffers.h>
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +010028#include <proto/checks.h>
Willy Tarreaud2274c62012-07-06 14:29:45 +020029#include <proto/connection.h>
Willy Tarreau5ca791d2009-08-16 19:06:42 +020030#include <proto/dumpstats.h>
Willy Tarreau91c43d72010-06-20 11:19:22 +020031#include <proto/freq_ctr.h>
Willy Tarreau3041b9f2010-10-15 23:25:20 +020032#include <proto/frontend.h>
Willy Tarreau8d5d7f22007-01-21 19:16:41 +010033#include <proto/hdr_idx.h>
Willy Tarreau332f8bf2007-05-13 21:36:56 +020034#include <proto/log.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035#include <proto/session.h>
Willy Tarreau3eba98a2009-01-25 13:56:13 +010036#include <proto/pipe.h>
Willy Tarreau62793712011-07-24 19:23:38 +020037#include <proto/protocols.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010038#include <proto/proto_http.h>
39#include <proto/proto_tcp.h>
Willy Tarreau1d0dfb12009-07-07 15:10:31 +020040#include <proto/proxy.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020041#include <proto/queue.h>
Willy Tarreau7f062c42009-03-05 18:43:00 +010042#include <proto/server.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020043#include <proto/sample.h>
Emeric Brun1d33b292010-01-04 15:47:17 +010044#include <proto/stick_table.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010045#include <proto/stream_interface.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010046#include <proto/task.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020047
Willy Tarreauc6ca1a02007-05-13 19:43:47 +020048struct pool_head *pool2_session;
Willy Tarreauf54f8bd2008-11-23 19:53:55 +010049struct list sessions;
Willy Tarreaubaaee002006-06-26 02:48:02 +020050
Willy Tarreau81f9aa32010-06-01 17:45:26 +020051/* This function is called from the protocol layer accept() in order to instanciate
52 * a new session on behalf of a given listener and frontend. It returns a positive
Willy Tarreauabe8ea52010-11-11 10:56:04 +010053 * value upon success, 0 if the connection can be ignored, or a negative value upon
54 * critical failure. The accepted file descriptor is closed if we return <= 0.
Willy Tarreau81f9aa32010-06-01 17:45:26 +020055 */
56int session_accept(struct listener *l, int cfd, struct sockaddr_storage *addr)
57{
58 struct proxy *p = l->frontend;
59 struct session *s;
60 struct http_txn *txn;
61 struct task *t;
Willy Tarreauabe8ea52010-11-11 10:56:04 +010062 int ret;
63
64
65 ret = -1; /* assume unrecoverable error by default */
Willy Tarreau81f9aa32010-06-01 17:45:26 +020066
Willy Tarreaufffe1322010-11-11 09:48:16 +010067 if (unlikely((s = pool_alloc2(pool2_session)) == NULL))
Willy Tarreau81f9aa32010-06-01 17:45:26 +020068 goto out_close;
Willy Tarreau81f9aa32010-06-01 17:45:26 +020069
70 /* minimum session initialization required for monitor mode below */
71 s->flags = 0;
72 s->logs.logwait = p->to_log;
Willy Tarreau56123282010-08-06 19:06:56 +020073 s->stkctr1_entry = NULL;
74 s->stkctr2_entry = NULL;
75 s->stkctr1_table = NULL;
76 s->stkctr2_table = NULL;
Willy Tarreau81f9aa32010-06-01 17:45:26 +020077
Willy Tarreauabe8ea52010-11-11 10:56:04 +010078 if (unlikely((t = task_new()) == NULL))
79 goto out_free_session;
80
Willy Tarreau81f9aa32010-06-01 17:45:26 +020081 /* OK, we're keeping the session, so let's properly initialize the session */
82 LIST_ADDQ(&sessions, &s->list);
83 LIST_INIT(&s->back_refs);
84
Willy Tarreaubd833142012-05-08 15:51:44 +020085 s->unique_id = NULL;
Willy Tarreau81f9aa32010-06-01 17:45:26 +020086 s->term_trace = 0;
Willy Tarreau96596ae2012-06-08 22:57:36 +020087 s->si[0].conn.t.sock.fd = cfd;
88 s->si[0].conn.ctrl = l->proto;
Willy Tarreaufd31e532012-07-23 18:24:25 +020089 s->si[0].conn.flags = CO_FL_NONE | CO_FL_NOTIFY_SI; /* we're on a stream_interface */
Willy Tarreau6471afb2011-09-23 10:54:59 +020090 s->si[0].addr.from = *addr;
Willy Tarreau96596ae2012-06-08 22:57:36 +020091 s->si[0].conn.peeraddr = (struct sockaddr *)&s->si[0].addr.from;
92 s->si[0].conn.peerlen = sizeof(s->si[0].addr.from);
Willy Tarreau81f9aa32010-06-01 17:45:26 +020093 s->logs.accept_date = date; /* user-visible date for logging */
94 s->logs.tv_accept = now; /* corrected date for internal use */
95 s->uniq_id = totalconn;
Willy Tarreau24dcaf32010-06-05 10:49:41 +020096 p->feconn++; /* beconn will be increased once assigned */
97
Willy Tarreaub36b4242010-06-04 20:59:39 +020098 proxy_inc_fe_conn_ctr(l, p); /* note: cum_beconn will be increased once assigned */
Willy Tarreau81f9aa32010-06-01 17:45:26 +020099
100 t->process = l->handler;
101 t->context = s;
102 t->nice = l->nice;
103 t->expire = TICK_ETERNITY;
104
105 s->task = t;
106 s->listener = l;
107
108 /* Note: initially, the session's backend points to the frontend.
109 * This changes later when switching rules are executed or
110 * when the default backend is assigned.
111 */
112 s->be = s->fe = p;
113 s->req = s->rep = NULL; /* will be allocated later */
114
Willy Tarreaufe7f1ea2012-05-20 19:22:25 +0200115 /* if this session comes from a known monitoring system, we want to ignore
116 * it as soon as possible, which means closing it immediately for TCP, but
117 * cleanly.
118 */
119 if (unlikely((l->options & LI_O_CHK_MONNET) &&
120 addr->ss_family == AF_INET &&
121 (((struct sockaddr_in *)addr)->sin_addr.s_addr & p->mon_mask.s_addr) == p->mon_net.s_addr)) {
122 s->flags |= SN_MONITOR;
123 s->logs.logwait = 0;
124 }
125
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200126 /* now evaluate the tcp-request layer4 rules. Since we expect to be able
127 * to abort right here as soon as possible, we check the rules before
128 * even initializing the stream interfaces.
129 */
130 if ((l->options & LI_O_TCP_RULES) && !tcp_exec_req_rules(s)) {
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200131 /* let's do a no-linger now to close with a single RST. */
132 setsockopt(cfd, SOL_SOCKET, SO_LINGER, (struct linger *) &nolinger, sizeof(struct linger));
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100133 ret = 0; /* successful termination */
134 goto out_free_task;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200135 }
136
Willy Tarreaub36b4242010-06-04 20:59:39 +0200137 /* This session was accepted, count it now */
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100138 if (p->feconn > p->fe_counters.conn_max)
139 p->fe_counters.conn_max = p->feconn;
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100140
Willy Tarreaub36b4242010-06-04 20:59:39 +0200141 proxy_inc_fe_sess_ctr(l, p);
Willy Tarreau56123282010-08-06 19:06:56 +0200142 if (s->stkctr1_entry) {
Willy Tarreau91c43d72010-06-20 11:19:22 +0200143 void *ptr;
144
Willy Tarreau56123282010-08-06 19:06:56 +0200145 ptr = stktable_data_ptr(s->stkctr1_table, s->stkctr1_entry, STKTABLE_DT_SESS_CNT);
Willy Tarreauf4d17d92010-06-18 22:10:12 +0200146 if (ptr)
147 stktable_data_cast(ptr, sess_cnt)++;
Willy Tarreau91c43d72010-06-20 11:19:22 +0200148
Willy Tarreau56123282010-08-06 19:06:56 +0200149 ptr = stktable_data_ptr(s->stkctr1_table, s->stkctr1_entry, STKTABLE_DT_SESS_RATE);
Willy Tarreau91c43d72010-06-20 11:19:22 +0200150 if (ptr)
151 update_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200152 s->stkctr1_table->data_arg[STKTABLE_DT_SESS_RATE].u, 1);
Willy Tarreauf4d17d92010-06-18 22:10:12 +0200153 }
Willy Tarreaub36b4242010-06-04 20:59:39 +0200154
Willy Tarreau56123282010-08-06 19:06:56 +0200155 if (s->stkctr2_entry) {
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200156 void *ptr;
157
Willy Tarreau56123282010-08-06 19:06:56 +0200158 ptr = stktable_data_ptr(s->stkctr2_table, s->stkctr2_entry, STKTABLE_DT_SESS_CNT);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200159 if (ptr)
160 stktable_data_cast(ptr, sess_cnt)++;
161
Willy Tarreau56123282010-08-06 19:06:56 +0200162 ptr = stktable_data_ptr(s->stkctr2_table, s->stkctr2_entry, STKTABLE_DT_SESS_RATE);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200163 if (ptr)
164 update_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200165 s->stkctr2_table->data_arg[STKTABLE_DT_SESS_RATE].u, 1);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200166 }
167
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200168 /* this part should be common with other protocols */
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200169 s->si[0].owner = t;
170 s->si[0].state = s->si[0].prev_state = SI_ST_EST;
171 s->si[0].err_type = SI_ET_NONE;
172 s->si[0].err_loc = NULL;
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200173 s->si[0].release = NULL;
Willy Tarreau63e7fe32012-05-08 15:20:43 +0200174 s->si[0].send_proxy_ofs = 0;
Emeric Brun21adb022012-05-18 16:32:13 +0200175 set_target_client(&s->si[0].target, l);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200176 s->si[0].exp = TICK_ETERNITY;
177 s->si[0].flags = SI_FL_NONE;
178
179 if (likely(s->fe->options2 & PR_O2_INDEPSTR))
180 s->si[0].flags |= SI_FL_INDEP_STR;
181
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200182 /* add the various callbacks */
Emeric Brund88fd822012-05-18 18:30:29 +0200183 stream_interface_prepare(&s->si[0], l->sock);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200184
Willy Tarreau96199b12012-08-24 00:46:52 +0200185 if ((s->si[0].conn.data->rcv_pipe && s->si[0].conn.data->snd_pipe) &&
186 (addr->ss_family == AF_INET || addr->ss_family == AF_INET6))
187 s->si[0].flags = SI_FL_CAP_SPLTCP; /* TCP/TCPv6 splicing possible */
188
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200189 /* pre-initialize the other side's stream interface to an INIT state. The
190 * callbacks will be initialized before attempting to connect.
191 */
Willy Tarreaufb7508a2012-05-21 16:47:54 +0200192 s->si[1].conn.t.sock.fd = -1; /* just to help with debugging */
Willy Tarreau505e34a2012-07-06 10:17:53 +0200193 s->si[1].conn.flags = CO_FL_NONE;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200194 s->si[1].owner = t;
195 s->si[1].state = s->si[1].prev_state = SI_ST_INI;
196 s->si[1].err_type = SI_ET_NONE;
Willy Tarreau0b3a4112011-03-27 19:16:56 +0200197 s->si[1].conn_retries = 0; /* used for logging too */
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200198 s->si[1].err_loc = NULL;
Willy Tarreau73b013b2012-05-21 16:31:45 +0200199 s->si[1].conn.ctrl = NULL;
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200200 s->si[1].release = NULL;
Willy Tarreau63e7fe32012-05-08 15:20:43 +0200201 s->si[1].send_proxy_ofs = 0;
Willy Tarreau9e000c62011-03-10 14:03:36 +0100202 clear_target(&s->si[1].target);
Willy Tarreauf873d752012-05-11 17:47:17 +0200203 stream_interface_prepare(&s->si[1], &stream_int_embedded);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200204 s->si[1].exp = TICK_ETERNITY;
205 s->si[1].flags = SI_FL_NONE;
206
207 if (likely(s->fe->options2 & PR_O2_INDEPSTR))
208 s->si[1].flags |= SI_FL_INDEP_STR;
209
Willy Tarreau9bd0d742011-07-20 00:17:39 +0200210 session_init_srv_conn(s);
Willy Tarreau9e000c62011-03-10 14:03:36 +0100211 clear_target(&s->target);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200212 s->pend_pos = NULL;
213
214 /* init store persistence */
215 s->store_count = 0;
216
217 /* Adjust some socket options */
Willy Tarreaufffe1322010-11-11 09:48:16 +0100218 if (unlikely(fcntl(cfd, F_SETFL, O_NONBLOCK) == -1))
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200219 goto out_free_task;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200220
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200221 if (unlikely((s->req = pool_alloc2(pool2_buffer)) == NULL))
222 goto out_free_task; /* no memory */
223
224 if (unlikely((s->rep = pool_alloc2(pool2_buffer)) == NULL))
225 goto out_free_req; /* no memory */
226
227 /* initialize the request buffer */
Willy Tarreau572bf902012-07-02 17:01:20 +0200228 s->req->buf.size = global.tune.bufsize;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200229 buffer_init(s->req);
230 s->req->prod = &s->si[0];
231 s->req->cons = &s->si[1];
232 s->si[0].ib = s->si[1].ob = s->req;
233 s->req->flags |= BF_READ_ATTACHED; /* the producer is already connected */
234
235 /* activate default analysers enabled for this listener */
236 s->req->analysers = l->analysers;
237
238 s->req->wto = TICK_ETERNITY;
239 s->req->rto = TICK_ETERNITY;
240 s->req->rex = TICK_ETERNITY;
241 s->req->wex = TICK_ETERNITY;
242 s->req->analyse_exp = TICK_ETERNITY;
243
244 /* initialize response buffer */
Willy Tarreau572bf902012-07-02 17:01:20 +0200245 s->rep->buf.size = global.tune.bufsize;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200246 buffer_init(s->rep);
247 s->rep->prod = &s->si[1];
248 s->rep->cons = &s->si[0];
249 s->si[0].ob = s->si[1].ib = s->rep;
250 s->rep->analysers = 0;
251
Willy Tarreau96e31212011-05-30 18:10:30 +0200252 if (s->fe->options2 & PR_O2_NODELAY) {
253 s->req->flags |= BF_NEVER_WAIT;
254 s->rep->flags |= BF_NEVER_WAIT;
255 }
256
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200257 s->rep->rto = TICK_ETERNITY;
258 s->rep->wto = TICK_ETERNITY;
259 s->rep->rex = TICK_ETERNITY;
260 s->rep->wex = TICK_ETERNITY;
261 s->rep->analyse_exp = TICK_ETERNITY;
262
Willy Tarreau62f791e2012-03-09 11:32:30 +0100263 txn = &s->txn;
264 /* Those variables will be checked and freed if non-NULL in
265 * session.c:session_free(). It is important that they are
266 * properly initialized.
267 */
268 txn->sessid = NULL;
269 txn->srv_cookie = NULL;
270 txn->cli_cookie = NULL;
271 txn->uri = NULL;
272 txn->req.cap = NULL;
273 txn->rsp.cap = NULL;
274 txn->hdr_idx.v = NULL;
275 txn->hdr_idx.size = txn->hdr_idx.used = 0;
276 txn->req.flags = 0;
277 txn->rsp.flags = 0;
278 /* the HTTP messages need to know what buffer they're associated with */
279 txn->req.buf = s->req;
280 txn->rsp.buf = s->rep;
281
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200282 /* finish initialization of the accepted file descriptor */
283 fd_insert(cfd);
Willy Tarreau80184712012-07-06 14:54:49 +0200284 fdtab[cfd].owner = &s->si[0].conn;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200285 fdtab[cfd].flags = 0;
Willy Tarreaud2274c62012-07-06 14:29:45 +0200286 fdtab[cfd].iocb = conn_fd_handler;
Willy Tarreauf9dabec2012-08-17 17:33:53 +0200287 conn_data_want_recv(&s->si[0].conn);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200288
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100289 if (p->accept && (ret = p->accept(s)) <= 0) {
290 /* Either we had an unrecoverable error (<0) or work is
291 * finished (=0, eg: monitoring), in both situations,
292 * we can release everything and close.
293 */
294 goto out_free_rep;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200295 }
296
297 /* it is important not to call the wakeup function directly but to
298 * pass through task_wakeup(), because this one knows how to apply
299 * priorities to tasks.
300 */
301 task_wakeup(t, TASK_WOKEN_INIT);
302 return 1;
303
304 /* Error unrolling */
305 out_free_rep:
306 pool_free2(pool2_buffer, s->rep);
307 out_free_req:
308 pool_free2(pool2_buffer, s->req);
309 out_free_task:
Willy Tarreau24dcaf32010-06-05 10:49:41 +0200310 p->feconn--;
Willy Tarreau56123282010-08-06 19:06:56 +0200311 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200312 session_store_counters(s);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200313 task_free(t);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200314 LIST_DEL(&s->list);
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100315 out_free_session:
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200316 pool_free2(pool2_session, s);
317 out_close:
Willy Tarreau2b154922011-07-22 17:36:27 +0200318 if (ret < 0 && s->fe->mode == PR_MODE_HTTP) {
319 /* critical error, no more memory, try to emit a 500 response */
320 struct chunk *err_msg = error_message(s, HTTP_ERR_500);
321 send(cfd, err_msg->str, err_msg->len, MSG_DONTWAIT|MSG_NOSIGNAL);
322 }
323
Willy Tarreaudb3b3262012-07-05 23:19:22 +0200324 if (fdtab[cfd].owner)
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100325 fd_delete(cfd);
326 else
327 close(cfd);
328 return ret;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200329}
330
Willy Tarreaubaaee002006-06-26 02:48:02 +0200331/*
332 * frees the context associated to a session. It must have been removed first.
333 */
Simon Hormandec5be42011-06-08 09:19:07 +0900334static void session_free(struct session *s)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200335{
Willy Tarreau4dbc4a22007-03-03 16:23:22 +0100336 struct http_txn *txn = &s->txn;
Willy Tarreau632f5a72007-07-11 10:42:35 +0200337 struct proxy *fe = s->fe;
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100338 struct bref *bref, *back;
Willy Tarreaua4cda672010-06-06 18:28:49 +0200339 int i;
Willy Tarreau0f7562b2007-01-07 15:46:13 +0100340
Willy Tarreaubaaee002006-06-26 02:48:02 +0200341 if (s->pend_pos)
342 pendconn_free(s->pend_pos);
Willy Tarreau922a8062008-12-04 09:33:58 +0100343
Willy Tarreau827aee92011-03-10 16:55:02 +0100344 if (target_srv(&s->target)) { /* there may be requests left pending in queue */
Willy Tarreau1e62de62008-11-11 20:20:02 +0100345 if (s->flags & SN_CURR_SESS) {
346 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100347 target_srv(&s->target)->cur_sess--;
Willy Tarreau1e62de62008-11-11 20:20:02 +0100348 }
Willy Tarreau827aee92011-03-10 16:55:02 +0100349 if (may_dequeue_tasks(target_srv(&s->target), s->be))
350 process_srv_queue(target_srv(&s->target));
Willy Tarreau1e62de62008-11-11 20:20:02 +0100351 }
Willy Tarreau922a8062008-12-04 09:33:58 +0100352
Willy Tarreau7c669d72008-06-20 15:04:11 +0200353 if (unlikely(s->srv_conn)) {
354 /* the session still has a reserved slot on a server, but
355 * it should normally be only the same as the one above,
356 * so this should not happen in fact.
357 */
358 sess_change_server(s, NULL);
359 }
360
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100361 if (s->req->pipe)
362 put_pipe(s->req->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100363
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100364 if (s->rep->pipe)
365 put_pipe(s->rep->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100366
Willy Tarreau48d63db2008-08-03 17:41:33 +0200367 pool_free2(pool2_buffer, s->req);
368 pool_free2(pool2_buffer, s->rep);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200369
Willy Tarreau46023632010-01-07 22:51:47 +0100370 http_end_txn(s);
371
Willy Tarreaua4cda672010-06-06 18:28:49 +0200372 for (i = 0; i < s->store_count; i++) {
373 if (!s->store[i].ts)
374 continue;
375 stksess_free(s->store[i].table, s->store[i].ts);
376 s->store[i].ts = NULL;
377 }
378
Willy Tarreau34eb6712011-10-24 18:15:04 +0200379 pool_free2(pool2_hdr_idx, txn->hdr_idx.v);
Willy Tarreau92fb9832007-10-16 17:34:28 +0200380 if (fe) {
Willy Tarreau46023632010-01-07 22:51:47 +0100381 pool_free2(fe->rsp_cap_pool, txn->rsp.cap);
382 pool_free2(fe->req_cap_pool, txn->req.cap);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200383 }
Willy Tarreau0937bc42009-12-22 15:03:09 +0100384
Willy Tarreau56123282010-08-06 19:06:56 +0200385 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200386 session_store_counters(s);
387
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100388 list_for_each_entry_safe(bref, back, &s->back_refs, users) {
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100389 /* we have to unlink all watchers. We must not relink them if
390 * this session was the last one in the list.
391 */
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100392 LIST_DEL(&bref->users);
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100393 LIST_INIT(&bref->users);
394 if (s->list.n != &sessions)
395 LIST_ADDQ(&LIST_ELEM(s->list.n, struct session *, list)->back_refs, &bref->users);
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100396 bref->ref = s->list.n;
397 }
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100398 LIST_DEL(&s->list);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200399 pool_free2(pool2_session, s);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200400
401 /* We may want to free the maximum amount of pools if the proxy is stopping */
Willy Tarreau92fb9832007-10-16 17:34:28 +0200402 if (fe && unlikely(fe->state == PR_STSTOPPED)) {
Willy Tarreau48d63db2008-08-03 17:41:33 +0200403 pool_flush2(pool2_buffer);
Willy Tarreau34eb6712011-10-24 18:15:04 +0200404 pool_flush2(pool2_hdr_idx);
Willy Tarreau48d63db2008-08-03 17:41:33 +0200405 pool_flush2(pool2_requri);
406 pool_flush2(pool2_capture);
407 pool_flush2(pool2_session);
408 pool_flush2(fe->req_cap_pool);
409 pool_flush2(fe->rsp_cap_pool);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200410 }
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200411}
412
413
414/* perform minimal intializations, report 0 in case of error, 1 if OK. */
415int init_session()
416{
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100417 LIST_INIT(&sessions);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200418 pool2_session = create_pool("session", sizeof(struct session), MEM_F_SHARED);
419 return pool2_session != NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200420}
421
Willy Tarreau30e71012007-11-26 20:15:35 +0100422void session_process_counters(struct session *s)
423{
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100424 unsigned long long bytes;
425
Willy Tarreau30e71012007-11-26 20:15:35 +0100426 if (s->req) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100427 bytes = s->req->total - s->logs.bytes_in;
Willy Tarreau30e71012007-11-26 20:15:35 +0100428 s->logs.bytes_in = s->req->total;
429 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100430 s->fe->fe_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100431
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100432 s->be->be_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100433
Willy Tarreau827aee92011-03-10 16:55:02 +0100434 if (target_srv(&s->target))
435 target_srv(&s->target)->counters.bytes_in += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200436
437 if (s->listener->counters)
438 s->listener->counters->bytes_in += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200439
Willy Tarreau56123282010-08-06 19:06:56 +0200440 if (s->stkctr2_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200441 void *ptr;
442
Willy Tarreau56123282010-08-06 19:06:56 +0200443 ptr = stktable_data_ptr(s->stkctr2_table,
444 s->stkctr2_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200445 STKTABLE_DT_BYTES_IN_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200446 if (ptr)
447 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200448
Willy Tarreau56123282010-08-06 19:06:56 +0200449 ptr = stktable_data_ptr(s->stkctr2_table,
450 s->stkctr2_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200451 STKTABLE_DT_BYTES_IN_RATE);
452 if (ptr)
453 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200454 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200455 }
456
Willy Tarreau56123282010-08-06 19:06:56 +0200457 if (s->stkctr1_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200458 void *ptr;
459
Willy Tarreau56123282010-08-06 19:06:56 +0200460 ptr = stktable_data_ptr(s->stkctr1_table,
461 s->stkctr1_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200462 STKTABLE_DT_BYTES_IN_CNT);
463 if (ptr)
464 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
465
Willy Tarreau56123282010-08-06 19:06:56 +0200466 ptr = stktable_data_ptr(s->stkctr1_table,
467 s->stkctr1_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200468 STKTABLE_DT_BYTES_IN_RATE);
469 if (ptr)
470 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200471 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200472 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100473 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100474 }
475
Willy Tarreau30e71012007-11-26 20:15:35 +0100476 if (s->rep) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100477 bytes = s->rep->total - s->logs.bytes_out;
Willy Tarreau30e71012007-11-26 20:15:35 +0100478 s->logs.bytes_out = s->rep->total;
479 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100480 s->fe->fe_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100481
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100482 s->be->be_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100483
Willy Tarreau827aee92011-03-10 16:55:02 +0100484 if (target_srv(&s->target))
485 target_srv(&s->target)->counters.bytes_out += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200486
487 if (s->listener->counters)
488 s->listener->counters->bytes_out += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200489
Willy Tarreau56123282010-08-06 19:06:56 +0200490 if (s->stkctr2_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200491 void *ptr;
492
Willy Tarreau56123282010-08-06 19:06:56 +0200493 ptr = stktable_data_ptr(s->stkctr2_table,
494 s->stkctr2_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200495 STKTABLE_DT_BYTES_OUT_CNT);
496 if (ptr)
497 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
498
Willy Tarreau56123282010-08-06 19:06:56 +0200499 ptr = stktable_data_ptr(s->stkctr2_table,
500 s->stkctr2_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200501 STKTABLE_DT_BYTES_OUT_RATE);
502 if (ptr)
503 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200504 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200505 }
506
Willy Tarreau56123282010-08-06 19:06:56 +0200507 if (s->stkctr1_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200508 void *ptr;
509
Willy Tarreau56123282010-08-06 19:06:56 +0200510 ptr = stktable_data_ptr(s->stkctr1_table,
511 s->stkctr1_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200512 STKTABLE_DT_BYTES_OUT_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200513 if (ptr)
514 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200515
Willy Tarreau56123282010-08-06 19:06:56 +0200516 ptr = stktable_data_ptr(s->stkctr1_table,
517 s->stkctr1_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200518 STKTABLE_DT_BYTES_OUT_RATE);
519 if (ptr)
520 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200521 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200522 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100523 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100524 }
525}
Willy Tarreaubaaee002006-06-26 02:48:02 +0200526
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100527/* This function is called with (si->state == SI_ST_CON) meaning that a
528 * connection was attempted and that the file descriptor is already allocated.
529 * We must check for establishment, error and abort. Possible output states
530 * are SI_ST_EST (established), SI_ST_CER (error), SI_ST_DIS (abort), and
531 * SI_ST_CON (no change). The function returns 0 if it switches to SI_ST_CER,
532 * otherwise 1.
533 */
Simon Hormandec5be42011-06-08 09:19:07 +0900534static int sess_update_st_con_tcp(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100535{
Willy Tarreau7421efb2012-07-02 15:11:27 +0200536 struct channel *req = si->ob;
537 struct channel *rep = si->ib;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100538
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100539 /* If we got an error, or if nothing happened and the connection timed
540 * out, we must give up. The CER state handler will take care of retry
541 * attempts and error reports.
542 */
543 if (unlikely(si->flags & (SI_FL_EXP|SI_FL_ERR))) {
Willy Tarreau127334e2009-03-28 10:47:26 +0100544 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100545 si->state = SI_ST_CER;
Willy Tarreaudc340a92009-06-28 23:10:19 +0200546 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreaufb7508a2012-05-21 16:47:54 +0200547 fd_delete(si_fd(si));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100548
Willy Tarreau8b117082012-08-06 15:06:49 +0200549 conn_data_close(&si->conn);
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200550 if (si->release)
551 si->release(si);
552
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100553 if (si->err_type)
554 return 0;
555
Willy Tarreau827aee92011-03-10 16:55:02 +0100556 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100557 if (si->flags & SI_FL_ERR)
558 si->err_type = SI_ET_CONN_ERR;
559 else
560 si->err_type = SI_ET_CONN_TO;
561 return 0;
562 }
563
564 /* OK, maybe we want to abort */
Willy Tarreau418fd472009-09-06 21:37:23 +0200565 if (unlikely((rep->flags & BF_SHUTW) ||
566 ((req->flags & BF_SHUTW_NOW) && /* FIXME: this should not prevent a connection from establishing */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200567 (((req->flags & (BF_OUT_EMPTY|BF_WRITE_ACTIVITY)) == BF_OUT_EMPTY) ||
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100568 s->be->options & PR_O_ABRT_CLOSE)))) {
569 /* give up */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200570 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100571 si->err_type |= SI_ET_CONN_ABRT;
Willy Tarreau827aee92011-03-10 16:55:02 +0100572 si->err_loc = target_srv(&s->target);
Willy Tarreaudc340a92009-06-28 23:10:19 +0200573 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreau84455332009-03-15 22:34:05 +0100574 if (s->srv_error)
575 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100576 return 1;
577 }
578
579 /* we need to wait a bit more if there was no activity either */
580 if (!(req->flags & BF_WRITE_ACTIVITY))
581 return 1;
582
583 /* OK, this means that a connection succeeded. The caller will be
584 * responsible for handling the transition from CON to EST.
585 */
586 s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau127334e2009-03-28 10:47:26 +0100587 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100588 si->state = SI_ST_EST;
589 si->err_type = SI_ET_NONE;
590 si->err_loc = NULL;
591 return 1;
592}
593
594/* This function is called with (si->state == SI_ST_CER) meaning that a
595 * previous connection attempt has failed and that the file descriptor
596 * has already been released. Possible causes include asynchronous error
597 * notification and time out. Possible output states are SI_ST_CLO when
598 * retries are exhausted, SI_ST_TAR when a delay is wanted before a new
599 * connection attempt, SI_ST_ASS when it's wise to retry on the same server,
600 * and SI_ST_REQ when an immediate redispatch is wanted. The buffers are
601 * marked as in error state. It returns 0.
602 */
Simon Hormandec5be42011-06-08 09:19:07 +0900603static int sess_update_st_cer(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100604{
605 /* we probably have to release last session from the server */
Willy Tarreau827aee92011-03-10 16:55:02 +0100606 if (target_srv(&s->target)) {
607 health_adjust(target_srv(&s->target), HANA_STATUS_L4_ERR);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100608
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100609 if (s->flags & SN_CURR_SESS) {
610 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100611 target_srv(&s->target)->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100612 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100613 }
614
615 /* ensure that we have enough retries left */
Willy Tarreauee28de02010-06-01 09:51:00 +0200616 si->conn_retries--;
617 if (si->conn_retries < 0) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100618 if (!si->err_type) {
619 si->err_type = SI_ET_CONN_ERR;
Willy Tarreau827aee92011-03-10 16:55:02 +0100620 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100621 }
622
Willy Tarreau827aee92011-03-10 16:55:02 +0100623 if (target_srv(&s->target))
624 target_srv(&s->target)->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100625 s->be->be_counters.failed_conns++;
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100626 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100627 if (may_dequeue_tasks(target_srv(&s->target), s->be))
628 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100629
630 /* shutw is enough so stop a connecting socket */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200631 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100632 si->ob->flags |= BF_WRITE_ERROR;
633 si->ib->flags |= BF_READ_ERROR;
634
635 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100636 if (s->srv_error)
637 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100638 return 0;
639 }
640
641 /* If the "redispatch" option is set on the backend, we are allowed to
642 * retry on another server for the last retry. In order to achieve this,
643 * we must mark the session unassigned, and eventually clear the DIRECT
644 * bit to ignore any persistence cookie. We won't count a retry nor a
645 * redispatch yet, because this will depend on what server is selected.
646 */
Willy Tarreau827aee92011-03-10 16:55:02 +0100647 if (target_srv(&s->target) && si->conn_retries == 0 &&
Willy Tarreau4de91492010-01-22 19:10:05 +0100648 s->be->options & PR_O_REDISP && !(s->flags & SN_FORCE_PRST)) {
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100649 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100650 if (may_dequeue_tasks(target_srv(&s->target), s->be))
651 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100652
653 s->flags &= ~(SN_DIRECT | SN_ASSIGNED | SN_ADDR_SET);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100654 si->state = SI_ST_REQ;
655 } else {
Willy Tarreau827aee92011-03-10 16:55:02 +0100656 if (target_srv(&s->target))
657 target_srv(&s->target)->counters.retries++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100658 s->be->be_counters.retries++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100659 si->state = SI_ST_ASS;
660 }
661
662 if (si->flags & SI_FL_ERR) {
663 /* The error was an asynchronous connection error, and we will
664 * likely have to retry connecting to the same server, most
665 * likely leading to the same result. To avoid this, we wait
666 * one second before retrying.
667 */
668
669 if (!si->err_type)
670 si->err_type = SI_ET_CONN_ERR;
671
672 si->state = SI_ST_TAR;
673 si->exp = tick_add(now_ms, MS_TO_TICKS(1000));
674 return 0;
675 }
676 return 0;
677}
678
679/*
680 * This function handles the transition between the SI_ST_CON state and the
Willy Tarreau85e7d002010-05-31 11:57:51 +0200681 * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or
Willy Tarreau26d8c592012-05-07 18:12:14 +0200682 * SI_ST_INI) to SI_ST_EST, but only when a ->proto is defined.
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100683 */
Simon Hormandec5be42011-06-08 09:19:07 +0900684static void sess_establish(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100685{
Willy Tarreau7421efb2012-07-02 15:11:27 +0200686 struct channel *req = si->ob;
687 struct channel *rep = si->ib;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100688
Willy Tarreau827aee92011-03-10 16:55:02 +0100689 if (target_srv(&s->target))
690 health_adjust(target_srv(&s->target), HANA_STATUS_L4_OK);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100691
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100692 if (s->be->mode == PR_MODE_TCP) { /* let's allow immediate data connection in this case */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100693 /* if the user wants to log as soon as possible, without counting
694 * bytes from the server, then this is the right moment. */
695 if (s->fe->to_log && !(s->logs.logwait & LW_BYTES)) {
696 s->logs.t_close = s->logs.t_connect; /* to get a valid end date */
Willy Tarreaua5555ec2008-11-30 19:02:32 +0100697 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100698 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100699 }
700 else {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100701 s->txn.rsp.msg_state = HTTP_MSG_RPBEFORE;
702 /* reset hdr_idx which was already initialized by the request.
703 * right now, the http parser does it.
704 * hdr_idx_init(&s->txn.hdr_idx);
705 */
706 }
707
Willy Tarreau4e5b8282009-08-16 22:57:50 +0200708 rep->analysers |= s->fe->fe_rsp_ana | s->be->be_rsp_ana;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100709 rep->flags |= BF_READ_ATTACHED; /* producer is now attached */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200710 if (si_ctrl(si)) {
Willy Tarreaud04e8582010-05-31 12:31:35 +0200711 /* real connections have timeouts */
712 req->wto = s->be->timeout.server;
713 rep->rto = s->be->timeout.server;
714 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100715 req->wex = TICK_ETERNITY;
716}
717
718/* Update stream interface status for input states SI_ST_ASS, SI_ST_QUE, SI_ST_TAR.
719 * Other input states are simply ignored.
720 * Possible output states are SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ, SI_ST_CON.
721 * Flags must have previously been updated for timeouts and other conditions.
722 */
Simon Hormandec5be42011-06-08 09:19:07 +0900723static void sess_update_stream_int(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100724{
Willy Tarreau827aee92011-03-10 16:55:02 +0100725 struct server *srv = target_srv(&s->target);
726
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100727 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 Tarreau55a8d0e2008-11-30 18:47:21 +0100728 now_ms, __FUNCTION__,
729 s,
730 s->req, s->rep,
731 s->req->rex, s->rep->wex,
732 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100733 s->req->i, s->req->o, s->rep->i, s->rep->o, s->rep->cons->state, s->req->cons->state);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100734
735 if (si->state == SI_ST_ASS) {
736 /* Server assigned to connection request, we have to try to connect now */
737 int conn_err;
738
739 conn_err = connect_server(s);
Willy Tarreau827aee92011-03-10 16:55:02 +0100740 srv = target_srv(&s->target);
741
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100742 if (conn_err == SN_ERR_NONE) {
743 /* state = SI_ST_CON now */
Willy Tarreau827aee92011-03-10 16:55:02 +0100744 if (srv)
745 srv_inc_sess_ctr(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100746 return;
747 }
748
749 /* We have received a synchronous error. We might have to
750 * abort, retry immediately or redispatch.
751 */
752 if (conn_err == SN_ERR_INTERNAL) {
753 if (!si->err_type) {
754 si->err_type = SI_ET_CONN_OTHER;
Willy Tarreau827aee92011-03-10 16:55:02 +0100755 si->err_loc = srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100756 }
757
Willy Tarreau827aee92011-03-10 16:55:02 +0100758 if (srv)
759 srv_inc_sess_ctr(srv);
760 if (srv)
761 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100762 s->be->be_counters.failed_conns++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100763
764 /* release other sessions waiting for this server */
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100765 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100766 if (may_dequeue_tasks(srv, s->be))
767 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100768
769 /* Failed and not retryable. */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200770 si_shutr(si);
771 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100772 si->ob->flags |= BF_WRITE_ERROR;
773
774 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
775
776 /* no session was ever accounted for this server */
777 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100778 if (s->srv_error)
779 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100780 return;
781 }
782
783 /* We are facing a retryable error, but we don't want to run a
784 * turn-around now, as the problem is likely a source port
785 * allocation problem, so we want to retry now.
786 */
787 si->state = SI_ST_CER;
788 si->flags &= ~SI_FL_ERR;
789 sess_update_st_cer(s, si);
790 /* now si->state is one of SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ */
791 return;
792 }
793 else if (si->state == SI_ST_QUE) {
794 /* connection request was queued, check for any update */
795 if (!s->pend_pos) {
796 /* The connection is not in the queue anymore. Either
797 * we have a server connection slot available and we
798 * go directly to the assigned state, or we need to
799 * load-balance first and go to the INI state.
800 */
801 si->exp = TICK_ETERNITY;
802 if (unlikely(!(s->flags & SN_ASSIGNED)))
803 si->state = SI_ST_REQ;
804 else {
805 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
806 si->state = SI_ST_ASS;
807 }
808 return;
809 }
810
811 /* Connection request still in queue... */
812 if (si->flags & SI_FL_EXP) {
813 /* ... and timeout expired */
814 si->exp = TICK_ETERNITY;
815 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau827aee92011-03-10 16:55:02 +0100816 if (srv)
817 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100818 s->be->be_counters.failed_conns++;
Willy Tarreau73b013b2012-05-21 16:31:45 +0200819 si_shutr(si);
820 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100821 si->ob->flags |= BF_WRITE_TIMEOUT;
822 if (!si->err_type)
823 si->err_type = SI_ET_QUEUE_TO;
824 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100825 if (s->srv_error)
826 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100827 return;
828 }
829
830 /* Connection remains in queue, check if we have to abort it */
Willy Tarreau418fd472009-09-06 21:37:23 +0200831 if ((si->ob->flags & (BF_READ_ERROR)) ||
832 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200833 (si->ob->flags & BF_OUT_EMPTY || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100834 /* give up */
835 si->exp = TICK_ETERNITY;
836 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau73b013b2012-05-21 16:31:45 +0200837 si_shutr(si);
838 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100839 si->err_type |= SI_ET_QUEUE_ABRT;
840 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100841 if (s->srv_error)
842 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100843 return;
844 }
845
846 /* Nothing changed */
847 return;
848 }
849 else if (si->state == SI_ST_TAR) {
850 /* Connection request might be aborted */
Willy Tarreau418fd472009-09-06 21:37:23 +0200851 if ((si->ob->flags & (BF_READ_ERROR)) ||
852 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200853 (si->ob->flags & BF_OUT_EMPTY || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100854 /* give up */
855 si->exp = TICK_ETERNITY;
Willy Tarreau73b013b2012-05-21 16:31:45 +0200856 si_shutr(si);
857 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100858 si->err_type |= SI_ET_CONN_ABRT;
859 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100860 if (s->srv_error)
861 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100862 return;
863 }
864
865 if (!(si->flags & SI_FL_EXP))
866 return; /* still in turn-around */
867
868 si->exp = TICK_ETERNITY;
869
870 /* we keep trying on the same server as long as the session is
871 * marked "assigned".
872 * FIXME: Should we force a redispatch attempt when the server is down ?
873 */
874 if (s->flags & SN_ASSIGNED)
875 si->state = SI_ST_ASS;
876 else
877 si->state = SI_ST_REQ;
878 return;
879 }
880}
881
Simon Hormandec5be42011-06-08 09:19:07 +0900882/* Set correct session termination flags in case no analyser has done it. It
883 * also counts a failed request if the server state has not reached the request
884 * stage.
885 */
886static void sess_set_term_flags(struct session *s)
887{
888 if (!(s->flags & SN_FINST_MASK)) {
889 if (s->si[1].state < SI_ST_REQ) {
890
891 s->fe->fe_counters.failed_req++;
892 if (s->listener->counters)
893 s->listener->counters->failed_req++;
894
895 s->flags |= SN_FINST_R;
896 }
897 else if (s->si[1].state == SI_ST_QUE)
898 s->flags |= SN_FINST_Q;
899 else if (s->si[1].state < SI_ST_EST)
900 s->flags |= SN_FINST_C;
901 else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST)
902 s->flags |= SN_FINST_D;
903 else
904 s->flags |= SN_FINST_L;
905 }
906}
907
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100908/* This function initiates a server connection request on a stream interface
909 * already in SI_ST_REQ state. Upon success, the state goes to SI_ST_ASS,
910 * indicating that a server has been assigned. It may also return SI_ST_QUE,
911 * or SI_ST_CLO upon error.
912 */
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100913static void sess_prepare_conn_req(struct session *s, struct stream_interface *si)
914{
915 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 Tarreau55a8d0e2008-11-30 18:47:21 +0100916 now_ms, __FUNCTION__,
917 s,
918 s->req, s->rep,
919 s->req->rex, s->rep->wex,
920 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100921 s->req->i, s->req->o, s->rep->i, s->rep->o, s->rep->cons->state, s->req->cons->state);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100922
923 if (si->state != SI_ST_REQ)
924 return;
925
926 /* Try to assign a server */
927 if (srv_redispatch_connect(s) != 0) {
928 /* We did not get a server. Either we queued the
929 * connection request, or we encountered an error.
930 */
931 if (si->state == SI_ST_QUE)
932 return;
933
934 /* we did not get any server, let's check the cause */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200935 si_shutr(si);
936 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100937 si->ob->flags |= BF_WRITE_ERROR;
938 if (!si->err_type)
939 si->err_type = SI_ET_CONN_OTHER;
940 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100941 if (s->srv_error)
942 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100943 return;
944 }
945
946 /* The server is assigned */
947 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
948 si->state = SI_ST_ASS;
949}
950
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200951/* This stream analyser checks the switching rules and changes the backend
Willy Tarreau4de91492010-01-22 19:10:05 +0100952 * if appropriate. The default_backend rule is also considered, then the
953 * target backend's forced persistence rules are also evaluated last if any.
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200954 * It returns 1 if the processing can continue on next analysers, or zero if it
955 * either needs more data or wants to immediately abort the request.
956 */
Willy Tarreau7421efb2012-07-02 15:11:27 +0200957static int process_switching_rules(struct session *s, struct channel *req, int an_bit)
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200958{
Cyril Bonté47fdd8e2010-04-25 00:00:51 +0200959 struct persist_rule *prst_rule;
Willy Tarreau4de91492010-01-22 19:10:05 +0100960
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200961 req->analysers &= ~an_bit;
962 req->analyse_exp = TICK_ETERNITY;
963
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100964 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n",
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200965 now_ms, __FUNCTION__,
966 s,
967 req,
968 req->rex, req->wex,
969 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100970 req->i,
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200971 req->analysers);
972
973 /* now check whether we have some switching rules for this request */
974 if (!(s->flags & SN_BE_ASSIGNED)) {
975 struct switching_rule *rule;
976
977 list_for_each_entry(rule, &s->fe->switching_rules, list) {
978 int ret;
979
Willy Tarreau32a6f2e2012-04-25 10:13:36 +0200980 ret = acl_exec_cond(rule->cond, s->fe, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200981 ret = acl_pass(ret);
982 if (rule->cond->pol == ACL_COND_UNLESS)
983 ret = !ret;
984
985 if (ret) {
Willy Tarreaubedb9ba2009-07-12 08:27:39 +0200986 if (!session_set_backend(s, rule->be.backend))
987 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200988 break;
989 }
990 }
991
992 /* To ensure correct connection accounting on the backend, we
993 * have to assign one if it was not set (eg: a listen). This
994 * measure also takes care of correctly setting the default
995 * backend if any.
996 */
997 if (!(s->flags & SN_BE_ASSIGNED))
Willy Tarreaubedb9ba2009-07-12 08:27:39 +0200998 if (!session_set_backend(s, s->fe->defbe.be ? s->fe->defbe.be : s->be))
999 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001000 }
1001
Willy Tarreaufb356202010-08-03 14:02:05 +02001002 /* we don't want to run the TCP or HTTP filters again if the backend has not changed */
1003 if (s->fe == s->be) {
1004 s->req->analysers &= ~AN_REQ_INSPECT_BE;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001005 s->req->analysers &= ~AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaufb356202010-08-03 14:02:05 +02001006 }
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001007
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001008 /* as soon as we know the backend, we must check if we have a matching forced or ignored
Willy Tarreau4de91492010-01-22 19:10:05 +01001009 * persistence rule, and report that in the session.
1010 */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001011 list_for_each_entry(prst_rule, &s->be->persist_rules, list) {
Willy Tarreau4de91492010-01-22 19:10:05 +01001012 int ret = 1;
1013
1014 if (prst_rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001015 ret = acl_exec_cond(prst_rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreau4de91492010-01-22 19:10:05 +01001016 ret = acl_pass(ret);
1017 if (prst_rule->cond->pol == ACL_COND_UNLESS)
1018 ret = !ret;
1019 }
1020
1021 if (ret) {
1022 /* no rule, or the rule matches */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001023 if (prst_rule->type == PERSIST_TYPE_FORCE) {
1024 s->flags |= SN_FORCE_PRST;
1025 } else {
1026 s->flags |= SN_IGNORE_PRST;
1027 }
Willy Tarreau4de91492010-01-22 19:10:05 +01001028 break;
1029 }
1030 }
1031
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001032 return 1;
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001033
1034 sw_failed:
1035 /* immediately abort this request in case of allocation failure */
1036 buffer_abort(s->req);
1037 buffer_abort(s->rep);
1038
1039 if (!(s->flags & SN_ERR_MASK))
1040 s->flags |= SN_ERR_RESOURCE;
1041 if (!(s->flags & SN_FINST_MASK))
1042 s->flags |= SN_FINST_R;
1043
1044 s->txn.status = 500;
1045 s->req->analysers = 0;
1046 s->req->analyse_exp = TICK_ETERNITY;
1047 return 0;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001048}
1049
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001050/* This stream analyser works on a request. It applies all use-server rules on
1051 * it then returns 1. The data must already be present in the buffer otherwise
1052 * they won't match. It always returns 1.
1053 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001054static int process_server_rules(struct session *s, struct channel *req, int an_bit)
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001055{
1056 struct proxy *px = s->be;
1057 struct server_rule *rule;
1058
1059 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bl=%d analysers=%02x\n",
1060 now_ms, __FUNCTION__,
1061 s,
1062 req,
1063 req->rex, req->wex,
1064 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001065 req->i + req->o,
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001066 req->analysers);
1067
1068 if (!(s->flags & SN_ASSIGNED)) {
1069 list_for_each_entry(rule, &px->server_rules, list) {
1070 int ret;
1071
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001072 ret = acl_exec_cond(rule->cond, s->be, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001073 ret = acl_pass(ret);
1074 if (rule->cond->pol == ACL_COND_UNLESS)
1075 ret = !ret;
1076
1077 if (ret) {
1078 struct server *srv = rule->srv.ptr;
1079
1080 if ((srv->state & SRV_RUNNING) ||
1081 (px->options & PR_O_PERSIST) ||
1082 (s->flags & SN_FORCE_PRST)) {
1083 s->flags |= SN_DIRECT | SN_ASSIGNED;
1084 set_target_server(&s->target, srv);
1085 break;
1086 }
1087 /* if the server is not UP, let's go on with next rules
1088 * just in case another one is suited.
1089 */
1090 }
1091 }
1092 }
1093
1094 req->analysers &= ~an_bit;
1095 req->analyse_exp = TICK_ETERNITY;
1096 return 1;
1097}
1098
Emeric Brun1d33b292010-01-04 15:47:17 +01001099/* This stream analyser works on a request. It applies all sticking rules on
1100 * it then returns 1. The data must already be present in the buffer otherwise
1101 * they won't match. It always returns 1.
1102 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001103static int process_sticking_rules(struct session *s, struct channel *req, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001104{
1105 struct proxy *px = s->be;
1106 struct sticking_rule *rule;
1107
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001108 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n",
Emeric Brun1d33b292010-01-04 15:47:17 +01001109 now_ms, __FUNCTION__,
1110 s,
1111 req,
1112 req->rex, req->wex,
1113 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001114 req->i,
Emeric Brun1d33b292010-01-04 15:47:17 +01001115 req->analysers);
1116
1117 list_for_each_entry(rule, &px->sticking_rules, list) {
1118 int ret = 1 ;
1119 int i;
1120
1121 for (i = 0; i < s->store_count; i++) {
1122 if (rule->table.t == s->store[i].table)
1123 break;
1124 }
1125
1126 if (i != s->store_count)
1127 continue;
1128
1129 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001130 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001131 ret = acl_pass(ret);
1132 if (rule->cond->pol == ACL_COND_UNLESS)
1133 ret = !ret;
1134 }
1135
1136 if (ret) {
1137 struct stktable_key *key;
1138
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001139 key = stktable_fetch_key(rule->table.t, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, rule->expr);
Emeric Brun1d33b292010-01-04 15:47:17 +01001140 if (!key)
1141 continue;
1142
1143 if (rule->flags & STK_IS_MATCH) {
1144 struct stksess *ts;
1145
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001146 if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001147 if (!(s->flags & SN_ASSIGNED)) {
1148 struct eb32_node *node;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001149 void *ptr;
Emeric Brun1d33b292010-01-04 15:47:17 +01001150
1151 /* srv found in table */
Willy Tarreau13c29de2010-06-06 16:40:39 +02001152 ptr = stktable_data_ptr(rule->table.t, ts, STKTABLE_DT_SERVER_ID);
1153 node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id));
Emeric Brun1d33b292010-01-04 15:47:17 +01001154 if (node) {
1155 struct server *srv;
1156
1157 srv = container_of(node, struct server, conf.id);
Willy Tarreau4de91492010-01-22 19:10:05 +01001158 if ((srv->state & SRV_RUNNING) ||
1159 (px->options & PR_O_PERSIST) ||
1160 (s->flags & SN_FORCE_PRST)) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001161 s->flags |= SN_DIRECT | SN_ASSIGNED;
Willy Tarreau9e000c62011-03-10 14:03:36 +01001162 set_target_server(&s->target, srv);
Emeric Brun1d33b292010-01-04 15:47:17 +01001163 }
1164 }
1165 }
Emeric Brun85e77c72010-09-23 18:16:52 +02001166 stktable_touch(rule->table.t, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001167 }
1168 }
1169 if (rule->flags & STK_IS_STORE) {
1170 if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1171 struct stksess *ts;
1172
1173 ts = stksess_new(rule->table.t, key);
1174 if (ts) {
1175 s->store[s->store_count].table = rule->table.t;
1176 s->store[s->store_count++].ts = ts;
1177 }
1178 }
1179 }
1180 }
1181 }
1182
1183 req->analysers &= ~an_bit;
1184 req->analyse_exp = TICK_ETERNITY;
1185 return 1;
1186}
1187
1188/* This stream analyser works on a response. It applies all store rules on it
1189 * then returns 1. The data must already be present in the buffer otherwise
1190 * they won't match. It always returns 1.
1191 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001192static int process_store_rules(struct session *s, struct channel *rep, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001193{
1194 struct proxy *px = s->be;
1195 struct sticking_rule *rule;
1196 int i;
1197
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001198 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bh=%d analysers=%02x\n",
Emeric Brun1d33b292010-01-04 15:47:17 +01001199 now_ms, __FUNCTION__,
1200 s,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001201 rep,
1202 rep->rex, rep->wex,
1203 rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001204 rep->i,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001205 rep->analysers);
Emeric Brun1d33b292010-01-04 15:47:17 +01001206
1207 list_for_each_entry(rule, &px->storersp_rules, list) {
1208 int ret = 1 ;
1209 int storereqidx = -1;
1210
1211 for (i = 0; i < s->store_count; i++) {
1212 if (rule->table.t == s->store[i].table) {
1213 if (!(s->store[i].flags))
1214 storereqidx = i;
1215 break;
1216 }
1217 }
1218
1219 if ((i != s->store_count) && (storereqidx == -1))
1220 continue;
1221
1222 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001223 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001224 ret = acl_pass(ret);
1225 if (rule->cond->pol == ACL_COND_UNLESS)
1226 ret = !ret;
1227 }
1228
1229 if (ret) {
1230 struct stktable_key *key;
1231
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001232 key = stktable_fetch_key(rule->table.t, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL, rule->expr);
Emeric Brun1d33b292010-01-04 15:47:17 +01001233 if (!key)
1234 continue;
1235
1236 if (storereqidx != -1) {
Willy Tarreau393379c2010-06-06 12:11:37 +02001237 stksess_setkey(s->store[storereqidx].table, s->store[storereqidx].ts, key);
Emeric Brun1d33b292010-01-04 15:47:17 +01001238 s->store[storereqidx].flags = 1;
1239 }
1240 else if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1241 struct stksess *ts;
1242
1243 ts = stksess_new(rule->table.t, key);
1244 if (ts) {
1245 s->store[s->store_count].table = rule->table.t;
1246 s->store[s->store_count].flags = 1;
1247 s->store[s->store_count++].ts = ts;
1248 }
1249 }
1250 }
1251 }
1252
1253 /* process store request and store response */
1254 for (i = 0; i < s->store_count; i++) {
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001255 struct stksess *ts;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001256 void *ptr;
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001257
Simon Hormanfa461682011-06-25 09:39:49 +09001258 if (target_srv(&s->target) && target_srv(&s->target)->state & SRV_NON_STICK) {
1259 stksess_free(s->store[i].table, s->store[i].ts);
1260 s->store[i].ts = NULL;
1261 continue;
1262 }
1263
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001264 ts = stktable_lookup(s->store[i].table, s->store[i].ts);
1265 if (ts) {
1266 /* the entry already existed, we can free ours */
Emeric Brun85e77c72010-09-23 18:16:52 +02001267 stktable_touch(s->store[i].table, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001268 stksess_free(s->store[i].table, s->store[i].ts);
Emeric Brun1d33b292010-01-04 15:47:17 +01001269 }
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001270 else
Emeric Brun85e77c72010-09-23 18:16:52 +02001271 ts = stktable_store(s->store[i].table, s->store[i].ts, 1);
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001272
1273 s->store[i].ts = NULL;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001274 ptr = stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_ID);
Willy Tarreau827aee92011-03-10 16:55:02 +01001275 stktable_data_cast(ptr, server_id) = target_srv(&s->target)->puid;
Emeric Brun1d33b292010-01-04 15:47:17 +01001276 }
Willy Tarreau2a164ee2010-06-18 09:57:45 +02001277 s->store_count = 0; /* everything is stored */
Emeric Brun1d33b292010-01-04 15:47:17 +01001278
1279 rep->analysers &= ~an_bit;
1280 rep->analyse_exp = TICK_ETERNITY;
1281 return 1;
1282}
1283
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001284/* This macro is very specific to the function below. See the comments in
1285 * process_session() below to understand the logic and the tests.
1286 */
1287#define UPDATE_ANALYSERS(real, list, back, flag) { \
1288 list = (((list) & ~(flag)) | ~(back)) & (real); \
1289 back = real; \
1290 if (!(list)) \
1291 break; \
1292 if (((list) ^ ((list) & ((list) - 1))) < (flag)) \
1293 continue; \
1294}
1295
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001296/* Processes the client, server, request and response jobs of a session task,
1297 * then puts it back to the wait queue in a clean state, or cleans up its
1298 * resources if it must be deleted. Returns in <next> the date the task wants
1299 * to be woken up, or TICK_ETERNITY. In order not to call all functions for
1300 * nothing too many times, the request and response buffers flags are monitored
1301 * and each function is called only if at least another function has changed at
1302 * least one flag it is interested in.
1303 */
Willy Tarreau26c25062009-03-08 09:38:41 +01001304struct task *process_session(struct task *t)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001305{
Willy Tarreau827aee92011-03-10 16:55:02 +01001306 struct server *srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001307 struct session *s = t->context;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001308 unsigned int rqf_last, rpf_last;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001309 unsigned int rq_prod_last, rq_cons_last;
1310 unsigned int rp_cons_last, rp_prod_last;
Willy Tarreau576507f2010-01-07 00:09:04 +01001311 unsigned int req_ana_back;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001312
1313 //DPRINTF(stderr, "%s:%d: cs=%d ss=%d(%d) rqf=0x%08x rpf=0x%08x\n", __FUNCTION__, __LINE__,
1314 // s->si[0].state, s->si[1].state, s->si[1].err_type, s->req->flags, s->rep->flags);
1315
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01001316 /* this data may be no longer valid, clear it */
1317 memset(&s->txn.auth, 0, sizeof(s->txn.auth));
1318
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001319 /* This flag must explicitly be set every time */
1320 s->req->flags &= ~BF_READ_NOEXP;
1321
1322 /* Keep a copy of req/rep flags so that we can detect shutdowns */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001323 rqf_last = s->req->flags & ~BF_MASK_ANALYSER;
1324 rpf_last = s->rep->flags & ~BF_MASK_ANALYSER;
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001325
Willy Tarreau89f7ef22009-09-05 20:57:35 +02001326 /* we don't want the stream interface functions to recursively wake us up */
1327 if (s->req->prod->owner == t)
1328 s->req->prod->flags |= SI_FL_DONT_WAKE;
1329 if (s->req->cons->owner == t)
1330 s->req->cons->flags |= SI_FL_DONT_WAKE;
1331
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001332 /* 1a: Check for low level timeouts if needed. We just set a flag on
1333 * stream interfaces when their timeouts have expired.
1334 */
1335 if (unlikely(t->state & TASK_WOKEN_TIMER)) {
1336 stream_int_check_timeouts(&s->si[0]);
1337 stream_int_check_timeouts(&s->si[1]);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001338
1339 /* check buffer timeouts, and close the corresponding stream interfaces
1340 * for future reads or writes. Note: this will also concern upper layers
1341 * but we do not touch any other flag. We must be careful and correctly
1342 * detect state changes when calling them.
1343 */
1344
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001345 buffer_check_timeouts(s->req);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001346
Willy Tarreau14641402009-12-29 14:49:56 +01001347 if (unlikely((s->req->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1348 s->req->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001349 si_shutw(s->req->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001350 }
1351
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001352 if (unlikely((s->req->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT)) {
1353 if (s->req->prod->flags & SI_FL_NOHALF)
1354 s->req->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001355 si_shutr(s->req->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001356 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001357
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001358 buffer_check_timeouts(s->rep);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001359
Willy Tarreau14641402009-12-29 14:49:56 +01001360 if (unlikely((s->rep->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1361 s->rep->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001362 si_shutw(s->rep->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001363 }
1364
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001365 if (unlikely((s->rep->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT)) {
1366 if (s->rep->prod->flags & SI_FL_NOHALF)
1367 s->rep->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001368 si_shutr(s->rep->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001369 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001370 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001371
1372 /* 1b: check for low-level errors reported at the stream interface.
1373 * First we check if it's a retryable error (in which case we don't
1374 * want to tell the buffer). Otherwise we report the error one level
1375 * upper by setting flags into the buffers. Note that the side towards
1376 * the client cannot have connect (hence retryable) errors. Also, the
1377 * connection setup code must be able to deal with any type of abort.
1378 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001379 srv = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001380 if (unlikely(s->si[0].flags & SI_FL_ERR)) {
1381 if (s->si[0].state == SI_ST_EST || s->si[0].state == SI_ST_DIS) {
Willy Tarreau73b013b2012-05-21 16:31:45 +02001382 si_shutr(&s->si[0]);
1383 si_shutw(&s->si[0]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001384 stream_int_report_error(&s->si[0]);
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001385 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001386 s->be->be_counters.cli_aborts++;
1387 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001388 if (srv)
1389 srv->counters.cli_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001390 if (!(s->flags & SN_ERR_MASK))
1391 s->flags |= SN_ERR_CLICL;
1392 if (!(s->flags & SN_FINST_MASK))
1393 s->flags |= SN_FINST_D;
1394 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001395 }
1396 }
1397
1398 if (unlikely(s->si[1].flags & SI_FL_ERR)) {
1399 if (s->si[1].state == SI_ST_EST || s->si[1].state == SI_ST_DIS) {
Willy Tarreau73b013b2012-05-21 16:31:45 +02001400 si_shutr(&s->si[1]);
1401 si_shutw(&s->si[1]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001402 stream_int_report_error(&s->si[1]);
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001403 s->be->be_counters.failed_resp++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001404 if (srv)
1405 srv->counters.failed_resp++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001406 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001407 s->be->be_counters.srv_aborts++;
1408 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001409 if (srv)
1410 srv->counters.srv_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001411 if (!(s->flags & SN_ERR_MASK))
1412 s->flags |= SN_ERR_SRVCL;
1413 if (!(s->flags & SN_FINST_MASK))
1414 s->flags |= SN_FINST_D;
1415 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001416 }
1417 /* note: maybe we should process connection errors here ? */
1418 }
1419
1420 if (s->si[1].state == SI_ST_CON) {
1421 /* we were trying to establish a connection on the server side,
1422 * maybe it succeeded, maybe it failed, maybe we timed out, ...
1423 */
1424 if (unlikely(!sess_update_st_con_tcp(s, &s->si[1])))
1425 sess_update_st_cer(s, &s->si[1]);
1426 else if (s->si[1].state == SI_ST_EST)
1427 sess_establish(s, &s->si[1]);
1428
1429 /* state is now one of SI_ST_CON (still in progress), SI_ST_EST
1430 * (established), SI_ST_DIS (abort), SI_ST_CLO (last error),
1431 * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors.
1432 */
1433 }
1434
Willy Tarreau815a9b22010-07-27 17:15:12 +02001435 rq_prod_last = s->si[0].state;
1436 rq_cons_last = s->si[1].state;
1437 rp_cons_last = s->si[0].state;
1438 rp_prod_last = s->si[1].state;
1439
1440 resync_stream_interface:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001441 /* Check for connection closure */
1442
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001443 DPRINTF(stderr,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001444 "[%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 Tarreau55a8d0e2008-11-30 18:47:21 +01001445 now_ms, __FUNCTION__, __LINE__,
1446 t,
1447 s, s->flags,
1448 s->req, s->rep,
1449 s->req->rex, s->rep->wex,
1450 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001451 s->req->i, s->req->o, s->rep->i, s->rep->o, s->rep->cons->state, s->req->cons->state,
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001452 s->rep->cons->err_type, s->req->cons->err_type,
Willy Tarreauee28de02010-06-01 09:51:00 +02001453 s->req->cons->conn_retries);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001454
1455 /* nothing special to be done on client side */
1456 if (unlikely(s->req->prod->state == SI_ST_DIS))
1457 s->req->prod->state = SI_ST_CLO;
1458
1459 /* When a server-side connection is released, we have to count it and
1460 * check for pending connections on this server.
1461 */
1462 if (unlikely(s->req->cons->state == SI_ST_DIS)) {
1463 s->req->cons->state = SI_ST_CLO;
Willy Tarreau827aee92011-03-10 16:55:02 +01001464 srv = target_srv(&s->target);
1465 if (srv) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001466 if (s->flags & SN_CURR_SESS) {
1467 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +01001468 srv->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001469 }
1470 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +01001471 if (may_dequeue_tasks(srv, s->be))
1472 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001473 }
1474 }
1475
1476 /*
1477 * Note: of the transient states (REQ, CER, DIS), only REQ may remain
1478 * at this point.
1479 */
1480
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001481 resync_request:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001482 /* Analyse request */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001483 if (((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001484 ((s->req->flags ^ rqf_last) & BF_MASK_STATIC) ||
1485 s->si[0].state != rq_prod_last ||
1486 s->si[1].state != rq_cons_last) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001487 unsigned int flags = s->req->flags;
1488
1489 if (s->req->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001490 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001491 unsigned int ana_list;
1492 unsigned int ana_back;
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001493
Willy Tarreau90deb182010-01-07 00:20:41 +01001494 /* it's up to the analysers to stop new connections,
1495 * disable reading or closing. Note: if an analyser
1496 * disables any of these bits, it is responsible for
1497 * enabling them again when it disables itself, so
1498 * that other analysers are called in similar conditions.
1499 */
1500 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001501 buffer_auto_connect(s->req);
1502 buffer_auto_close(s->req);
Willy Tarreauedcf6682008-11-30 23:15:34 +01001503
1504 /* We will call all analysers for which a bit is set in
1505 * s->req->analysers, following the bit order from LSB
1506 * to MSB. The analysers must remove themselves from
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001507 * the list when not needed. Any analyser may return 0
1508 * to break out of the loop, either because of missing
1509 * data to take a decision, or because it decides to
1510 * kill the session. We loop at least once through each
1511 * analyser, and we may loop again if other analysers
1512 * are added in the middle.
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001513 *
1514 * We build a list of analysers to run. We evaluate all
1515 * of these analysers in the order of the lower bit to
1516 * the higher bit. This ordering is very important.
1517 * An analyser will often add/remove other analysers,
1518 * including itself. Any changes to itself have no effect
1519 * on the loop. If it removes any other analysers, we
1520 * want those analysers not to be called anymore during
1521 * this loop. If it adds an analyser that is located
1522 * after itself, we want it to be scheduled for being
1523 * processed during the loop. If it adds an analyser
1524 * which is located before it, we want it to switch to
1525 * it immediately, even if it has already been called
1526 * once but removed since.
1527 *
1528 * In order to achieve this, we compare the analyser
1529 * list after the call with a copy of it before the
1530 * call. The work list is fed with analyser bits that
1531 * appeared during the call. Then we compare previous
1532 * work list with the new one, and check the bits that
1533 * appeared. If the lowest of these bits is lower than
1534 * the current bit, it means we have enabled a previous
1535 * analyser and must immediately loop again.
Willy Tarreauedcf6682008-11-30 23:15:34 +01001536 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001537
1538 ana_list = ana_back = s->req->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001539 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001540 /* Warning! ensure that analysers are always placed in ascending order! */
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001541
Willy Tarreau3041b9f2010-10-15 23:25:20 +02001542 if (ana_list & AN_REQ_DECODE_PROXY) {
1543 if (!frontend_decode_proxy_request(s, s->req, AN_REQ_DECODE_PROXY))
1544 break;
1545 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_DECODE_PROXY);
1546 }
1547
Willy Tarreaufb356202010-08-03 14:02:05 +02001548 if (ana_list & AN_REQ_INSPECT_FE) {
1549 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_FE))
Willy Tarreauedcf6682008-11-30 23:15:34 +01001550 break;
Willy Tarreaufb356202010-08-03 14:02:05 +02001551 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_FE);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001552 }
Willy Tarreauedcf6682008-11-30 23:15:34 +01001553
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001554 if (ana_list & AN_REQ_WAIT_HTTP) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001555 if (!http_wait_for_request(s, s->req, AN_REQ_WAIT_HTTP))
Willy Tarreaud787e662009-07-07 10:14:51 +02001556 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001557 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_WAIT_HTTP);
Willy Tarreaud787e662009-07-07 10:14:51 +02001558 }
1559
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001560 if (ana_list & AN_REQ_HTTP_PROCESS_FE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001561 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_FE, s->fe))
1562 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001563 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001564 }
1565
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001566 if (ana_list & AN_REQ_SWITCHING_RULES) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001567 if (!process_switching_rules(s, s->req, AN_REQ_SWITCHING_RULES))
1568 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001569 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SWITCHING_RULES);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001570 }
1571
Willy Tarreaufb356202010-08-03 14:02:05 +02001572 if (ana_list & AN_REQ_INSPECT_BE) {
1573 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_BE))
1574 break;
1575 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_BE);
1576 }
1577
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001578 if (ana_list & AN_REQ_HTTP_PROCESS_BE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001579 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_BE, s->be))
1580 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001581 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001582 }
1583
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001584 if (ana_list & AN_REQ_HTTP_TARPIT) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001585 if (!http_process_tarpit(s, s->req, AN_REQ_HTTP_TARPIT))
Willy Tarreau60b85b02008-11-30 23:28:40 +01001586 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001587 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_TARPIT);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001588 }
Willy Tarreau60b85b02008-11-30 23:28:40 +01001589
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001590 if (ana_list & AN_REQ_SRV_RULES) {
1591 if (!process_server_rules(s, s->req, AN_REQ_SRV_RULES))
1592 break;
1593 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SRV_RULES);
1594 }
1595
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001596 if (ana_list & AN_REQ_HTTP_INNER) {
Willy Tarreauc465fd72009-08-31 00:17:18 +02001597 if (!http_process_request(s, s->req, AN_REQ_HTTP_INNER))
1598 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001599 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_INNER);
Willy Tarreauc465fd72009-08-31 00:17:18 +02001600 }
1601
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001602 if (ana_list & AN_REQ_HTTP_BODY) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001603 if (!http_process_request_body(s, s->req, AN_REQ_HTTP_BODY))
Willy Tarreaud34af782008-11-30 23:36:37 +01001604 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001605 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_BODY);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001606 }
Emeric Brun647caf12009-06-30 17:57:00 +02001607
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001608 if (ana_list & AN_REQ_PRST_RDP_COOKIE) {
Emeric Brun647caf12009-06-30 17:57:00 +02001609 if (!tcp_persist_rdp_cookie(s, s->req, AN_REQ_PRST_RDP_COOKIE))
1610 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001611 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE);
Emeric Brun647caf12009-06-30 17:57:00 +02001612 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001613
Emeric Brun1d33b292010-01-04 15:47:17 +01001614 if (ana_list & AN_REQ_STICKING_RULES) {
1615 if (!process_sticking_rules(s, s->req, AN_REQ_STICKING_RULES))
1616 break;
1617 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_STICKING_RULES);
1618 }
1619
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001620 if (ana_list & AN_REQ_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001621 if (!http_request_forward_body(s, s->req, AN_REQ_HTTP_XFER_BODY))
1622 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001623 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001624 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001625 break;
1626 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001627 }
Willy Tarreau84455332009-03-15 22:34:05 +01001628
Willy Tarreau815a9b22010-07-27 17:15:12 +02001629 rq_prod_last = s->si[0].state;
1630 rq_cons_last = s->si[1].state;
Willy Tarreau0499e352010-12-17 07:13:42 +01001631 s->req->flags &= ~BF_WAKE_ONCE;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001632 rqf_last = s->req->flags;
1633
1634 if ((s->req->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001635 goto resync_request;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001636 }
1637
Willy Tarreau576507f2010-01-07 00:09:04 +01001638 /* we'll monitor the request analysers while parsing the response,
1639 * because some response analysers may indirectly enable new request
1640 * analysers (eg: HTTP keep-alive).
1641 */
1642 req_ana_back = s->req->analysers;
1643
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001644 resync_response:
1645 /* Analyse response */
1646
1647 if (unlikely(s->rep->flags & BF_HIJACK)) {
1648 /* In inject mode, we wake up everytime something has
1649 * happened on the write side of the buffer.
1650 */
1651 unsigned int flags = s->rep->flags;
1652
1653 if ((s->rep->flags & (BF_WRITE_PARTIAL|BF_WRITE_ERROR|BF_SHUTW)) &&
1654 !(s->rep->flags & BF_FULL)) {
1655 s->rep->hijacker(s, s->rep);
1656 }
1657
1658 if ((s->rep->flags ^ flags) & BF_MASK_STATIC) {
1659 rpf_last = s->rep->flags;
1660 goto resync_response;
1661 }
1662 }
Willy Tarreau2f976e12010-11-11 14:28:47 +01001663 else if (((s->rep->flags & ~rpf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001664 (s->rep->flags ^ rpf_last) & BF_MASK_STATIC ||
1665 s->si[0].state != rp_cons_last ||
1666 s->si[1].state != rp_prod_last) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001667 unsigned int flags = s->rep->flags;
1668
Willy Tarreau0499e352010-12-17 07:13:42 +01001669 if ((s->rep->flags & BF_MASK_ANALYSER) &&
1670 (s->rep->analysers & AN_REQ_WAIT_HTTP)) {
1671 /* Due to HTTP pipelining, the HTTP request analyser might be waiting
1672 * for some free space in the response buffer, so we might need to call
1673 * it when something changes in the response buffer, but still we pass
1674 * it the request buffer. Note that the SI state might very well still
1675 * be zero due to us returning a flow of redirects!
1676 */
1677 s->rep->analysers &= ~AN_REQ_WAIT_HTTP;
1678 s->req->flags |= BF_WAKE_ONCE;
1679 }
1680
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001681 if (s->rep->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001682 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001683 unsigned int ana_list;
1684 unsigned int ana_back;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001685
Willy Tarreau90deb182010-01-07 00:20:41 +01001686 /* it's up to the analysers to stop disable reading or
1687 * closing. Note: if an analyser disables any of these
1688 * bits, it is responsible for enabling them again when
1689 * it disables itself, so that other analysers are called
1690 * in similar conditions.
1691 */
1692 buffer_auto_read(s->rep);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001693 buffer_auto_close(s->rep);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001694
1695 /* We will call all analysers for which a bit is set in
1696 * s->rep->analysers, following the bit order from LSB
1697 * to MSB. The analysers must remove themselves from
1698 * the list when not needed. Any analyser may return 0
1699 * to break out of the loop, either because of missing
1700 * data to take a decision, or because it decides to
1701 * kill the session. We loop at least once through each
1702 * analyser, and we may loop again if other analysers
1703 * are added in the middle.
1704 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001705
1706 ana_list = ana_back = s->rep->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001707 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001708 /* Warning! ensure that analysers are always placed in ascending order! */
1709
Emeric Brun97679e72010-09-23 17:56:44 +02001710 if (ana_list & AN_RES_INSPECT) {
1711 if (!tcp_inspect_response(s, s->rep, AN_RES_INSPECT))
1712 break;
1713 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_INSPECT);
1714 }
1715
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001716 if (ana_list & AN_RES_WAIT_HTTP) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001717 if (!http_wait_for_response(s, s->rep, AN_RES_WAIT_HTTP))
1718 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001719 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_WAIT_HTTP);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001720 }
1721
Emeric Brun1d33b292010-01-04 15:47:17 +01001722 if (ana_list & AN_RES_STORE_RULES) {
1723 if (!process_store_rules(s, s->rep, AN_RES_STORE_RULES))
1724 break;
1725 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_STORE_RULES);
1726 }
1727
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001728 if (ana_list & AN_RES_HTTP_PROCESS_BE) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001729 if (!http_process_res_common(s, s->rep, AN_RES_HTTP_PROCESS_BE, s->be))
1730 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001731 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001732 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001733
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001734 if (ana_list & AN_RES_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001735 if (!http_response_forward_body(s, s->rep, AN_RES_HTTP_XFER_BODY))
1736 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001737 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001738 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001739 break;
1740 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001741 }
1742
Willy Tarreau815a9b22010-07-27 17:15:12 +02001743 rp_cons_last = s->si[0].state;
1744 rp_prod_last = s->si[1].state;
1745 rpf_last = s->rep->flags;
1746
1747 if ((s->rep->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001748 goto resync_response;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001749 }
1750
Willy Tarreau576507f2010-01-07 00:09:04 +01001751 /* maybe someone has added some request analysers, so we must check and loop */
1752 if (s->req->analysers & ~req_ana_back)
1753 goto resync_request;
1754
Willy Tarreau0499e352010-12-17 07:13:42 +01001755 if ((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER)
1756 goto resync_request;
1757
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001758 /* FIXME: here we should call protocol handlers which rely on
1759 * both buffers.
1760 */
1761
1762
1763 /*
Willy Tarreauae526782010-03-04 20:34:23 +01001764 * Now we propagate unhandled errors to the session. Normally
1765 * we're just in a data phase here since it means we have not
1766 * seen any analyser who could set an error status.
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001767 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001768 srv = target_srv(&s->target);
Willy Tarreau2f976e12010-11-11 14:28:47 +01001769 if (unlikely(!(s->flags & SN_ERR_MASK))) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001770 if (s->req->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1771 /* Report it if the client got an error or a read timeout expired */
Willy Tarreau84455332009-03-15 22:34:05 +01001772 s->req->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001773 if (s->req->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001774 s->be->be_counters.cli_aborts++;
1775 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001776 if (srv)
1777 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001778 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001779 }
1780 else if (s->req->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001781 s->be->be_counters.cli_aborts++;
1782 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001783 if (srv)
1784 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001785 s->flags |= SN_ERR_CLITO;
Willy Tarreauae526782010-03-04 20:34:23 +01001786 }
1787 else if (s->req->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001788 s->be->be_counters.srv_aborts++;
1789 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001790 if (srv)
1791 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001792 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001793 }
1794 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001795 s->be->be_counters.srv_aborts++;
1796 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001797 if (srv)
1798 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001799 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001800 }
Willy Tarreau84455332009-03-15 22:34:05 +01001801 sess_set_term_flags(s);
1802 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001803 else if (s->rep->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1804 /* Report it if the server got an error or a read timeout expired */
1805 s->rep->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001806 if (s->rep->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001807 s->be->be_counters.srv_aborts++;
1808 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001809 if (srv)
1810 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001811 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001812 }
1813 else if (s->rep->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001814 s->be->be_counters.srv_aborts++;
1815 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001816 if (srv)
1817 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001818 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001819 }
1820 else if (s->rep->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001821 s->be->be_counters.cli_aborts++;
1822 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001823 if (srv)
1824 srv->counters.cli_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001825 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001826 }
1827 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001828 s->be->be_counters.cli_aborts++;
1829 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001830 if (srv)
1831 srv->counters.cli_aborts++;
Willy Tarreauae526782010-03-04 20:34:23 +01001832 s->flags |= SN_ERR_CLITO;
1833 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001834 sess_set_term_flags(s);
1835 }
Willy Tarreau84455332009-03-15 22:34:05 +01001836 }
1837
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001838 /*
1839 * Here we take care of forwarding unhandled data. This also includes
1840 * connection establishments and shutdown requests.
1841 */
1842
1843
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001844 /* If noone is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02001845 * everything. We configure the buffer to forward indefinitely.
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001846 * Note that we're checking BF_SHUTR_NOW as an indication of a possible
1847 * recent call to buffer_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001848 */
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001849 if (!s->req->analysers &&
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001850 !(s->req->flags & (BF_HIJACK|BF_SHUTW|BF_SHUTR_NOW)) &&
Willy Tarreau31971e52009-09-20 12:07:52 +02001851 (s->req->prod->state >= SI_ST_EST) &&
1852 (s->req->to_forward != BUF_INFINITE_FORWARD)) {
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001853 /* This buffer is freewheeling, there's no analyser nor hijacker
1854 * attached to it. If any data are left in, we'll permit them to
1855 * move.
1856 */
Willy Tarreau90deb182010-01-07 00:20:41 +01001857 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001858 buffer_auto_connect(s->req);
1859 buffer_auto_close(s->req);
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001860 buffer_flush(s->req);
Willy Tarreau5bd8c372009-01-19 00:32:22 +01001861
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001862 /* We'll let data flow between the producer (if still connected)
1863 * to the consumer (which might possibly not be connected yet).
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001864 */
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001865 if (!(s->req->flags & (BF_SHUTR|BF_SHUTW_NOW)))
Willy Tarreau31971e52009-09-20 12:07:52 +02001866 buffer_forward(s->req, BUF_INFINITE_FORWARD);
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001867 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01001868
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001869 /* check if it is wise to enable kernel splicing to forward request data */
1870 if (!(s->req->flags & (BF_KERN_SPLICING|BF_SHUTR)) &&
1871 s->req->to_forward &&
1872 (global.tune.options & GTUNE_USE_SPLICE) &&
Willy Tarreaudc340a92009-06-28 23:10:19 +02001873 (s->si[0].flags & s->si[1].flags & SI_FL_CAP_SPLICE) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001874 (pipes_used < global.maxpipes) &&
1875 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) ||
1876 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
1877 (s->req->flags & BF_STREAMER_FAST)))) {
1878 s->req->flags |= BF_KERN_SPLICING;
1879 }
1880
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001881 /* reflect what the L7 analysers have seen last */
1882 rqf_last = s->req->flags;
1883
1884 /*
1885 * Now forward all shutdown requests between both sides of the buffer
1886 */
1887
Willy Tarreau520d95e2009-09-19 21:04:57 +02001888 /* first, let's check if the request buffer needs to shutdown(write), which may
1889 * happen either because the input is closed or because we want to force a close
Willy Tarreaue4599762010-03-21 23:25:09 +01001890 * once the server has begun to respond.
Willy Tarreau520d95e2009-09-19 21:04:57 +02001891 */
Willy Tarreau82eeaf22009-12-29 12:09:05 +01001892 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_HIJACK|BF_AUTO_CLOSE|BF_SHUTR)) ==
Willy Tarreaue4599762010-03-21 23:25:09 +01001893 (BF_AUTO_CLOSE|BF_SHUTR)))
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001894 buffer_shutw_now(s->req);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001895
1896 /* shutdown(write) pending */
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001897 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_OUT_EMPTY)) == (BF_SHUTW_NOW|BF_OUT_EMPTY)))
Willy Tarreau73b013b2012-05-21 16:31:45 +02001898 si_shutw(s->req->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001899
1900 /* shutdown(write) done on server side, we must stop the client too */
Willy Tarreau3dbc6942008-12-07 13:05:04 +01001901 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTW &&
1902 !s->req->analysers))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001903 buffer_shutr_now(s->req);
1904
1905 /* shutdown(read) pending */
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001906 if (unlikely((s->req->flags & (BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTR_NOW)) {
1907 if (s->req->prod->flags & SI_FL_NOHALF)
1908 s->req->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001909 si_shutr(s->req->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001910 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001911
Willy Tarreau520d95e2009-09-19 21:04:57 +02001912 /* it's possible that an upper layer has requested a connection setup or abort.
1913 * There are 2 situations where we decide to establish a new connection :
1914 * - there are data scheduled for emission in the buffer
1915 * - the BF_AUTO_CONNECT flag is set (active connection)
1916 */
1917 if (s->req->cons->state == SI_ST_INI) {
Willy Tarreaue4599762010-03-21 23:25:09 +01001918 if (!(s->req->flags & BF_SHUTW)) {
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001919 if ((s->req->flags & (BF_AUTO_CONNECT|BF_OUT_EMPTY)) != BF_OUT_EMPTY) {
Willy Tarreaub24281b2011-02-13 13:16:36 +01001920 /* If we have an applet without a connect method, we immediately
Willy Tarreau85e7d002010-05-31 11:57:51 +02001921 * switch to the connected state, otherwise we perform a connection
1922 * request.
Willy Tarreau520d95e2009-09-19 21:04:57 +02001923 */
Willy Tarreau85e7d002010-05-31 11:57:51 +02001924 s->req->cons->state = SI_ST_REQ; /* new connection requested */
Willy Tarreau070ceb62010-06-01 10:36:43 +02001925 s->req->cons->conn_retries = s->be->conn_retries;
Willy Tarreau26d8c592012-05-07 18:12:14 +02001926 if (unlikely(s->req->cons->target.type == TARG_TYPE_APPLET &&
Willy Tarreau73b013b2012-05-21 16:31:45 +02001927 !(si_ctrl(s->req->cons) && si_ctrl(s->req->cons)->connect))) {
Willy Tarreau520d95e2009-09-19 21:04:57 +02001928 s->req->cons->state = SI_ST_EST; /* connection established */
Willy Tarreau85e7d002010-05-31 11:57:51 +02001929 s->rep->flags |= BF_READ_ATTACHED; /* producer is now attached */
1930 s->req->wex = TICK_ETERNITY;
1931 }
Willy Tarreau520d95e2009-09-19 21:04:57 +02001932 }
Willy Tarreau73201222009-08-16 18:27:24 +02001933 }
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02001934 else {
Willy Tarreau92795622009-03-06 12:51:23 +01001935 s->req->cons->state = SI_ST_CLO; /* shutw+ini = abort */
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02001936 buffer_shutw_now(s->req); /* fix buffer flags upon abort */
1937 buffer_shutr_now(s->rep);
1938 }
Willy Tarreau92795622009-03-06 12:51:23 +01001939 }
1940
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001941
1942 /* we may have a pending connection request, or a connection waiting
1943 * for completion.
1944 */
1945 if (s->si[1].state >= SI_ST_REQ && s->si[1].state < SI_ST_CON) {
1946 do {
1947 /* nb: step 1 might switch from QUE to ASS, but we first want
1948 * to give a chance to step 2 to perform a redirect if needed.
1949 */
1950 if (s->si[1].state != SI_ST_REQ)
1951 sess_update_stream_int(s, &s->si[1]);
1952 if (s->si[1].state == SI_ST_REQ)
1953 sess_prepare_conn_req(s, &s->si[1]);
1954
Willy Tarreau827aee92011-03-10 16:55:02 +01001955 srv = target_srv(&s->target);
1956 if (s->si[1].state == SI_ST_ASS && srv && srv->rdr_len && (s->flags & SN_REDIRECTABLE))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001957 perform_http_redirect(s, &s->si[1]);
1958 } while (s->si[1].state == SI_ST_ASS);
Mark Lamourinec2247f02012-01-04 13:02:01 -05001959
1960 /* Now we can add the server name to a header (if requested) */
1961 /* check for HTTP mode and proxy server_name_hdr_name != NULL */
Stathis Voukelatos09a030a2012-01-09 14:27:13 +01001962 if ((s->flags & SN_BE_ASSIGNED) &&
Willy Tarreau45c0d982012-03-09 12:11:57 +01001963 (s->be->mode == PR_MODE_HTTP) &&
1964 (s->be->server_id_hdr_name != NULL)) {
1965 http_send_name_header(&s->txn, s->be, target_srv(&s->target)->id);
Mark Lamourinec2247f02012-01-04 13:02:01 -05001966 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001967 }
1968
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001969 /* Benchmarks have shown that it's optimal to do a full resync now */
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001970 if (s->req->prod->state == SI_ST_DIS || s->req->cons->state == SI_ST_DIS)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001971 goto resync_stream_interface;
1972
Willy Tarreau815a9b22010-07-27 17:15:12 +02001973 /* otherwise we want to check if we need to resync the req buffer or not */
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001974 if ((s->req->flags ^ rqf_last) & BF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001975 goto resync_request;
1976
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001977 /* perform output updates to the response buffer */
Willy Tarreau84455332009-03-15 22:34:05 +01001978
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001979 /* If noone is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02001980 * everything. We configure the buffer to forward indefinitely.
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001981 * Note that we're checking BF_SHUTR_NOW as an indication of a possible
1982 * recent call to buffer_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001983 */
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001984 if (!s->rep->analysers &&
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001985 !(s->rep->flags & (BF_HIJACK|BF_SHUTW|BF_SHUTR_NOW)) &&
Willy Tarreau31971e52009-09-20 12:07:52 +02001986 (s->rep->prod->state >= SI_ST_EST) &&
1987 (s->rep->to_forward != BUF_INFINITE_FORWARD)) {
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001988 /* This buffer is freewheeling, there's no analyser nor hijacker
1989 * attached to it. If any data are left in, we'll permit them to
1990 * move.
1991 */
Willy Tarreau90deb182010-01-07 00:20:41 +01001992 buffer_auto_read(s->rep);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001993 buffer_auto_close(s->rep);
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001994 buffer_flush(s->rep);
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001995
1996 /* We'll let data flow between the producer (if still connected)
1997 * to the consumer.
1998 */
1999 if (!(s->rep->flags & (BF_SHUTR|BF_SHUTW_NOW)))
Willy Tarreau31971e52009-09-20 12:07:52 +02002000 buffer_forward(s->rep, BUF_INFINITE_FORWARD);
Willy Tarreauce887fd2012-05-12 12:50:00 +02002001
2002 /* if we have no analyser anymore in any direction and have a
2003 * tunnel timeout set, use it now.
2004 */
2005 if (!s->req->analysers && s->be->timeout.tunnel) {
2006 s->req->rto = s->req->wto = s->rep->rto = s->rep->wto =
2007 s->be->timeout.tunnel;
2008 s->req->rex = s->req->wex = s->rep->rex = s->rep->wex =
2009 tick_add(now_ms, s->be->timeout.tunnel);
2010 }
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002011 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01002012
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002013 /* check if it is wise to enable kernel splicing to forward response data */
2014 if (!(s->rep->flags & (BF_KERN_SPLICING|BF_SHUTR)) &&
2015 s->rep->to_forward &&
2016 (global.tune.options & GTUNE_USE_SPLICE) &&
Willy Tarreaudc340a92009-06-28 23:10:19 +02002017 (s->si[0].flags & s->si[1].flags & SI_FL_CAP_SPLICE) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002018 (pipes_used < global.maxpipes) &&
2019 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_RTR) ||
2020 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
2021 (s->rep->flags & BF_STREAMER_FAST)))) {
2022 s->rep->flags |= BF_KERN_SPLICING;
2023 }
2024
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002025 /* reflect what the L7 analysers have seen last */
2026 rpf_last = s->rep->flags;
2027
2028 /*
2029 * Now forward all shutdown requests between both sides of the buffer
2030 */
2031
2032 /*
2033 * FIXME: this is probably where we should produce error responses.
2034 */
2035
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002036 /* first, let's check if the response buffer needs to shutdown(write) */
Willy Tarreau520d95e2009-09-19 21:04:57 +02002037 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_HIJACK|BF_AUTO_CLOSE|BF_SHUTR)) ==
2038 (BF_AUTO_CLOSE|BF_SHUTR)))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002039 buffer_shutw_now(s->rep);
2040
2041 /* shutdown(write) pending */
Willy Tarreauba0b63d2009-09-20 08:09:44 +02002042 if (unlikely((s->rep->flags & (BF_SHUTW|BF_OUT_EMPTY|BF_SHUTW_NOW)) == (BF_OUT_EMPTY|BF_SHUTW_NOW)))
Willy Tarreau73b013b2012-05-21 16:31:45 +02002043 si_shutw(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002044
2045 /* shutdown(write) done on the client side, we must stop the server too */
Willy Tarreau3dbc6942008-12-07 13:05:04 +01002046 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTW) &&
2047 !s->rep->analysers)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002048 buffer_shutr_now(s->rep);
2049
2050 /* shutdown(read) pending */
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02002051 if (unlikely((s->rep->flags & (BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTR_NOW)) {
2052 if (s->rep->prod->flags & SI_FL_NOHALF)
2053 s->rep->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02002054 si_shutr(s->rep->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02002055 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002056
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002057 if (s->req->prod->state == SI_ST_DIS || s->req->cons->state == SI_ST_DIS)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002058 goto resync_stream_interface;
2059
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002060 if (s->req->flags != rqf_last)
2061 goto resync_request;
2062
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002063 if ((s->rep->flags ^ rpf_last) & BF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002064 goto resync_response;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002065
Willy Tarreau89f7ef22009-09-05 20:57:35 +02002066 /* we're interested in getting wakeups again */
2067 s->req->prod->flags &= ~SI_FL_DONT_WAKE;
2068 s->req->cons->flags &= ~SI_FL_DONT_WAKE;
2069
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002070 /* This is needed only when debugging is enabled, to indicate
2071 * client-side or server-side close. Please note that in the unlikely
2072 * event where both sides would close at once, the sequence is reported
2073 * on the server side first.
2074 */
2075 if (unlikely((global.mode & MODE_DEBUG) &&
2076 (!(global.mode & MODE_QUIET) ||
2077 (global.mode & MODE_VERBOSE)))) {
2078 int len;
2079
2080 if (s->si[1].state == SI_ST_CLO &&
2081 s->si[1].prev_state == SI_ST_EST) {
2082 len = sprintf(trash, "%08x:%s.srvcls[%04x:%04x]\n",
2083 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002084 (unsigned short)si_fd(&s->si[0]),
2085 (unsigned short)si_fd(&s->si[1]));
Willy Tarreau21337822012-04-29 14:11:38 +02002086 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002087 }
2088
2089 if (s->si[0].state == SI_ST_CLO &&
2090 s->si[0].prev_state == SI_ST_EST) {
2091 len = sprintf(trash, "%08x:%s.clicls[%04x:%04x]\n",
2092 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002093 (unsigned short)si_fd(&s->si[0]),
2094 (unsigned short)si_fd(&s->si[1]));
Willy Tarreau21337822012-04-29 14:11:38 +02002095 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002096 }
2097 }
2098
2099 if (likely((s->rep->cons->state != SI_ST_CLO) ||
2100 (s->req->cons->state > SI_ST_INI && s->req->cons->state < SI_ST_CLO))) {
2101
2102 if ((s->fe->options & PR_O_CONTSTATS) && (s->flags & SN_BE_ASSIGNED))
2103 session_process_counters(s);
2104
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002105 if (s->rep->cons->state == SI_ST_EST && s->rep->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau73b013b2012-05-21 16:31:45 +02002106 si_update(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002107
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002108 if (s->req->cons->state == SI_ST_EST && s->req->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau73b013b2012-05-21 16:31:45 +02002109 si_update(s->req->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002110
Willy Tarreaua6eebb32010-06-04 11:40:20 +02002111 s->req->flags &= ~(BF_READ_NULL|BF_READ_PARTIAL|BF_WRITE_NULL|BF_WRITE_PARTIAL|BF_READ_ATTACHED);
2112 s->rep->flags &= ~(BF_READ_NULL|BF_READ_PARTIAL|BF_WRITE_NULL|BF_WRITE_PARTIAL|BF_READ_ATTACHED);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002113 s->si[0].prev_state = s->si[0].state;
2114 s->si[1].prev_state = s->si[1].state;
Willy Tarreaub0ef7352008-12-14 13:26:20 +01002115 s->si[0].flags &= ~(SI_FL_ERR|SI_FL_EXP);
2116 s->si[1].flags &= ~(SI_FL_ERR|SI_FL_EXP);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002117
2118 /* Trick: if a request is being waiting for the server to respond,
2119 * and if we know the server can timeout, we don't want the timeout
2120 * to expire on the client side first, but we're still interested
2121 * in passing data from the client to the server (eg: POST). Thus,
2122 * we can cancel the client's request timeout if the server's
2123 * request timeout is set and the server has not yet sent a response.
2124 */
2125
Willy Tarreau520d95e2009-09-19 21:04:57 +02002126 if ((s->rep->flags & (BF_AUTO_CLOSE|BF_SHUTR)) == 0 &&
Willy Tarreau86491c32008-12-14 09:04:47 +01002127 (tick_isset(s->req->wex) || tick_isset(s->rep->rex))) {
2128 s->req->flags |= BF_READ_NOEXP;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002129 s->req->rex = TICK_ETERNITY;
Willy Tarreau86491c32008-12-14 09:04:47 +01002130 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002131
Willy Tarreau7a20aa62010-07-13 16:30:45 +02002132 /* Call the stream interfaces' I/O handlers when embedded.
Willy Tarreau1accfc02009-09-05 20:57:35 +02002133 * Note that this one may wake the task up again.
2134 */
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002135 if (s->req->cons->target.type == TARG_TYPE_APPLET ||
2136 s->rep->cons->target.type == TARG_TYPE_APPLET) {
2137 if (s->req->cons->target.type == TARG_TYPE_APPLET)
2138 s->req->cons->target.ptr.a->fct(s->req->cons);
2139 if (s->rep->cons->target.type == TARG_TYPE_APPLET)
2140 s->rep->cons->target.ptr.a->fct(s->rep->cons);
Willy Tarreau1accfc02009-09-05 20:57:35 +02002141 if (task_in_rq(t)) {
2142 /* If we woke up, we don't want to requeue the
2143 * task to the wait queue, but rather requeue
2144 * it into the runqueue ASAP.
2145 */
2146 t->expire = TICK_ETERNITY;
2147 return t;
2148 }
2149 }
2150
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002151 t->expire = tick_first(tick_first(s->req->rex, s->req->wex),
2152 tick_first(s->rep->rex, s->rep->wex));
2153 if (s->req->analysers)
2154 t->expire = tick_first(t->expire, s->req->analyse_exp);
2155
2156 if (s->si[0].exp)
2157 t->expire = tick_first(t->expire, s->si[0].exp);
2158
2159 if (s->si[1].exp)
2160 t->expire = tick_first(t->expire, s->si[1].exp);
2161
2162#ifdef DEBUG_FULL
Willy Tarreau127334e2009-03-28 10:47:26 +01002163 fprintf(stderr,
2164 "[%u] queuing with exp=%u req->rex=%u req->wex=%u req->ana_exp=%u"
2165 " rep->rex=%u rep->wex=%u, si[0].exp=%u, si[1].exp=%u, cs=%d, ss=%d\n",
2166 now_ms, t->expire, s->req->rex, s->req->wex, s->req->analyse_exp,
2167 s->rep->rex, s->rep->wex, s->si[0].exp, s->si[1].exp, s->si[0].state, s->si[1].state);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002168#endif
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002169
2170#ifdef DEBUG_DEV
2171 /* this may only happen when no timeout is set or in case of an FSM bug */
Willy Tarreaud0a201b2009-03-08 15:53:06 +01002172 if (!tick_isset(t->expire))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002173 ABORT_NOW();
2174#endif
Willy Tarreau26c25062009-03-08 09:38:41 +01002175 return t; /* nothing more to do */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002176 }
2177
2178 s->fe->feconn--;
2179 if (s->flags & SN_BE_ASSIGNED)
2180 s->be->beconn--;
Willy Tarreau3c63fd82011-09-07 18:00:47 +02002181 if (!(s->listener->options & LI_O_UNLIMITED))
2182 actconn--;
Willy Tarreauaf7ad002010-08-31 15:39:26 +02002183 jobs--;
Willy Tarreau6e6fb2b2009-08-16 18:20:44 +02002184 s->listener->nbconn--;
Willy Tarreau62793712011-07-24 19:23:38 +02002185 if (s->listener->state == LI_FULL)
2186 resume_listener(s->listener);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002187
Willy Tarreau08ceb102011-07-24 22:58:00 +02002188 /* Dequeues all of the listeners waiting for a resource */
2189 if (!LIST_ISEMPTY(&global_listener_queue))
2190 dequeue_all_listeners(&global_listener_queue);
2191
Willy Tarreaub32907b2011-07-25 08:37:44 +02002192 if (!LIST_ISEMPTY(&s->fe->listener_queue) &&
2193 (!s->fe->fe_sps_lim || freq_ctr_remain(&s->fe->fe_sess_per_sec, s->fe->fe_sps_lim, 0) > 0))
Willy Tarreau07687c12011-07-24 23:55:06 +02002194 dequeue_all_listeners(&s->fe->listener_queue);
2195
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002196 if (unlikely((global.mode & MODE_DEBUG) &&
2197 (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
2198 int len;
Willy Tarreauec22b2c2009-03-06 13:07:40 +01002199 len = sprintf(trash, "%08x:%s.closed[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002200 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002201 (unsigned short)si_fd(s->req->prod), (unsigned short)si_fd(s->req->cons));
Willy Tarreau21337822012-04-29 14:11:38 +02002202 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002203 }
2204
2205 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2206 session_process_counters(s);
2207
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002208 if (s->txn.status) {
2209 int n;
2210
2211 n = s->txn.status / 100;
2212 if (n < 1 || n > 5)
2213 n = 0;
2214
2215 if (s->fe->mode == PR_MODE_HTTP)
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002216 s->fe->fe_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002217
Willy Tarreau24657792010-02-26 10:30:28 +01002218 if ((s->flags & SN_BE_ASSIGNED) &&
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002219 (s->be->mode == PR_MODE_HTTP))
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002220 s->be->be_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002221 }
2222
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002223 /* let's do a final log if we need it */
2224 if (s->logs.logwait &&
2225 !(s->flags & SN_MONITOR) &&
2226 (!(s->fe->options & PR_O_NULLNOLOG) || s->req->total)) {
Willy Tarreaua5555ec2008-11-30 19:02:32 +01002227 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002228 }
2229
2230 /* the task MUST not be in the run queue anymore */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002231 session_free(s);
Willy Tarreau26c25062009-03-08 09:38:41 +01002232 task_delete(t);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002233 task_free(t);
Willy Tarreau26c25062009-03-08 09:38:41 +01002234 return NULL;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002235}
2236
Willy Tarreau7c669d72008-06-20 15:04:11 +02002237/*
2238 * This function adjusts sess->srv_conn and maintains the previous and new
2239 * server's served session counts. Setting newsrv to NULL is enough to release
2240 * current connection slot. This function also notifies any LB algo which might
2241 * expect to be informed about any change in the number of active sessions on a
2242 * server.
2243 */
2244void sess_change_server(struct session *sess, struct server *newsrv)
2245{
2246 if (sess->srv_conn == newsrv)
2247 return;
2248
2249 if (sess->srv_conn) {
2250 sess->srv_conn->served--;
2251 if (sess->srv_conn->proxy->lbprm.server_drop_conn)
2252 sess->srv_conn->proxy->lbprm.server_drop_conn(sess->srv_conn);
Simon Hormanaf514952011-06-21 14:34:57 +09002253 session_del_srv_conn(sess);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002254 }
2255
2256 if (newsrv) {
2257 newsrv->served++;
2258 if (newsrv->proxy->lbprm.server_take_conn)
2259 newsrv->proxy->lbprm.server_take_conn(newsrv);
Simon Hormanaf514952011-06-21 14:34:57 +09002260 session_add_srv_conn(sess, newsrv);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002261 }
2262}
2263
Willy Tarreau84455332009-03-15 22:34:05 +01002264/* Handle server-side errors for default protocols. It is called whenever a a
2265 * connection setup is aborted or a request is aborted in queue. It sets the
2266 * session termination flags so that the caller does not have to worry about
2267 * them. It's installed as ->srv_error for the server-side stream_interface.
2268 */
2269void default_srv_error(struct session *s, struct stream_interface *si)
2270{
2271 int err_type = si->err_type;
2272 int err = 0, fin = 0;
2273
2274 if (err_type & SI_ET_QUEUE_ABRT) {
2275 err = SN_ERR_CLICL;
2276 fin = SN_FINST_Q;
2277 }
2278 else if (err_type & SI_ET_CONN_ABRT) {
2279 err = SN_ERR_CLICL;
2280 fin = SN_FINST_C;
2281 }
2282 else if (err_type & SI_ET_QUEUE_TO) {
2283 err = SN_ERR_SRVTO;
2284 fin = SN_FINST_Q;
2285 }
2286 else if (err_type & SI_ET_QUEUE_ERR) {
2287 err = SN_ERR_SRVCL;
2288 fin = SN_FINST_Q;
2289 }
2290 else if (err_type & SI_ET_CONN_TO) {
2291 err = SN_ERR_SRVTO;
2292 fin = SN_FINST_C;
2293 }
2294 else if (err_type & SI_ET_CONN_ERR) {
2295 err = SN_ERR_SRVCL;
2296 fin = SN_FINST_C;
2297 }
2298 else /* SI_ET_CONN_OTHER and others */ {
2299 err = SN_ERR_INTERNAL;
2300 fin = SN_FINST_C;
2301 }
2302
2303 if (!(s->flags & SN_ERR_MASK))
2304 s->flags |= err;
2305 if (!(s->flags & SN_FINST_MASK))
2306 s->flags |= fin;
2307}
Willy Tarreau7c669d72008-06-20 15:04:11 +02002308
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002309/* kill a session and set the termination flags to <why> (one of SN_ERR_*) */
2310void session_shutdown(struct session *session, int why)
2311{
2312 if (session->req->flags & (BF_SHUTW|BF_SHUTW_NOW))
2313 return;
2314
2315 buffer_shutw_now(session->req);
2316 buffer_shutr_now(session->rep);
2317 session->task->nice = 1024;
2318 if (!(session->flags & SN_ERR_MASK))
2319 session->flags |= why;
2320 task_wakeup(session->task, TASK_WOKEN_OTHER);
2321}
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02002322
Willy Tarreau8b22a712010-06-18 17:46:06 +02002323/************************************************************************/
2324/* All supported ACL keywords must be declared here. */
2325/************************************************************************/
2326
Willy Tarreaua5e37562011-12-16 17:06:15 +01002327/* set temp integer to the General Purpose Counter 0 value in the stksess entry <ts> */
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002328static int
Willy Tarreau37406352012-04-23 16:16:37 +02002329acl_fetch_get_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002330{
Willy Tarreau37406352012-04-23 16:16:37 +02002331 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002332 smp->type = SMP_T_UINT;
2333 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002334 if (ts != NULL) {
2335 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2336 if (!ptr)
2337 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002338 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002339 }
2340 return 1;
2341}
2342
Willy Tarreaua5e37562011-12-16 17:06:15 +01002343/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002344 * frontend counters.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002345 */
2346static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002347acl_fetch_sc1_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002348 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002349{
Willy Tarreau56123282010-08-06 19:06:56 +02002350 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002351 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002352 return acl_fetch_get_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002353}
2354
Willy Tarreaua5e37562011-12-16 17:06:15 +01002355/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002356 * backend counters.
2357 */
2358static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002359acl_fetch_sc2_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002360 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002361{
Willy Tarreau56123282010-08-06 19:06:56 +02002362 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002363 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002364 return acl_fetch_get_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002365}
2366
Willy Tarreaua5e37562011-12-16 17:06:15 +01002367/* set temp integer to the General Purpose Counter 0 value from the session's source
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002368 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002369 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002370 */
2371static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002372acl_fetch_src_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002373 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002374{
2375 struct stktable_key *key;
2376
David du Colombier4f92d322011-03-24 11:09:31 +01002377 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002378 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002379 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002380
Willy Tarreau24e32d82012-04-23 23:55:44 +02002381 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002382 return acl_fetch_get_gpc0(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002383}
2384
2385/* Increment the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002386 * return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002387 */
2388static int
Willy Tarreau37406352012-04-23 16:16:37 +02002389acl_fetch_inc_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002390{
Willy Tarreau37406352012-04-23 16:16:37 +02002391 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002392 smp->type = SMP_T_UINT;
2393 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002394 if (ts != NULL) {
2395 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2396 if (!ptr)
2397 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002398 smp->data.uint = ++stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002399 }
2400 return 1;
2401}
2402
2403/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002404 * frontend counters and return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002405 */
2406static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002407acl_fetch_sc1_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002408 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002409{
Willy Tarreau56123282010-08-06 19:06:56 +02002410 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002411 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002412 return acl_fetch_inc_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002413}
2414
2415/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002416 * backend counters and return it into temp integer.
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002417 */
2418static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002419acl_fetch_sc2_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002420 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002421{
Willy Tarreau56123282010-08-06 19:06:56 +02002422 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002423 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002424 return acl_fetch_inc_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002425}
2426
2427/* Increment the General Purpose Counter 0 value from the session's source
Willy Tarreaua5e37562011-12-16 17:06:15 +01002428 * address in the table pointed to by expr, and return it into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002429 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002430 */
2431static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002432acl_fetch_src_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002433 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002434{
2435 struct stktable_key *key;
2436
David du Colombier4f92d322011-03-24 11:09:31 +01002437 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002438 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002439 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002440
Willy Tarreau24e32d82012-04-23 23:55:44 +02002441 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002442 return acl_fetch_inc_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002443}
2444
Willy Tarreauf73cd112011-08-13 01:45:16 +02002445/* Clear the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002446 * return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002447 */
2448static int
Willy Tarreau37406352012-04-23 16:16:37 +02002449acl_fetch_clr_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002450{
Willy Tarreau37406352012-04-23 16:16:37 +02002451 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002452 smp->type = SMP_T_UINT;
2453 smp->data.uint = 0;
Willy Tarreauf73cd112011-08-13 01:45:16 +02002454 if (ts != NULL) {
2455 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2456 if (!ptr)
2457 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002458 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002459 stktable_data_cast(ptr, gpc0) = 0;
2460 }
2461 return 1;
2462}
2463
2464/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002465 * frontend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002466 */
2467static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002468acl_fetch_sc1_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002469 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002470{
2471 if (!l4->stkctr1_entry)
2472 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002473 return acl_fetch_clr_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002474}
2475
2476/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002477 * backend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002478 */
2479static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002480acl_fetch_sc2_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002481 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002482{
2483 if (!l4->stkctr2_entry)
2484 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002485 return acl_fetch_clr_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002486}
2487
2488/* Clear the General Purpose Counter 0 value from the session's source address
Willy Tarreaua5e37562011-12-16 17:06:15 +01002489 * in the table pointed to by expr, and return its previous value into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002490 * Accepts exactly 1 argument of type table.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002491 */
2492static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002493acl_fetch_src_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002494 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002495{
2496 struct stktable_key *key;
2497
2498 key = tcp_src_to_stktable_key(l4);
2499 if (!key)
2500 return 0;
2501
Willy Tarreau24e32d82012-04-23 23:55:44 +02002502 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002503 return acl_fetch_clr_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauf73cd112011-08-13 01:45:16 +02002504}
2505
Willy Tarreaua5e37562011-12-16 17:06:15 +01002506/* set temp integer to the cumulated number of connections in the stksess entry <ts> */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002507static int
Willy Tarreau37406352012-04-23 16:16:37 +02002508acl_fetch_conn_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002509{
Willy Tarreau37406352012-04-23 16:16:37 +02002510 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002511 smp->type = SMP_T_UINT;
2512 smp->data.uint = 0;
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002513 if (ts != NULL) {
2514 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CNT);
2515 if (!ptr)
2516 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002517 smp->data.uint = stktable_data_cast(ptr, conn_cnt);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002518 }
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002519 return 1;
2520}
2521
Willy Tarreaua5e37562011-12-16 17:06:15 +01002522/* set temp integer to the cumulated number of connections from the session's tracked FE counters */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002523static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002524acl_fetch_sc1_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002525 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002526{
Willy Tarreau56123282010-08-06 19:06:56 +02002527 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002528 return 0;
2529
Willy Tarreau37406352012-04-23 16:16:37 +02002530 return acl_fetch_conn_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002531}
2532
Willy Tarreaua5e37562011-12-16 17:06:15 +01002533/* set temp integer to the cumulated number of connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002534static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002535acl_fetch_sc2_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002536 const struct arg *args, struct sample *smp)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002537{
Willy Tarreau56123282010-08-06 19:06:56 +02002538 if (!l4->stkctr2_entry)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002539 return 0;
2540
Willy Tarreau37406352012-04-23 16:16:37 +02002541 return acl_fetch_conn_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002542}
2543
Willy Tarreaua5e37562011-12-16 17:06:15 +01002544/* set temp integer to the cumulated number of connections from the session's source
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002545 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002546 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002547 */
2548static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002549acl_fetch_src_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002550 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002551{
Willy Tarreau8b22a712010-06-18 17:46:06 +02002552 struct stktable_key *key;
2553
David du Colombier4f92d322011-03-24 11:09:31 +01002554 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002555 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002556 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002557
Willy Tarreau24e32d82012-04-23 23:55:44 +02002558 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002559 return acl_fetch_conn_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau8b22a712010-06-18 17:46:06 +02002560}
2561
Willy Tarreaua5e37562011-12-16 17:06:15 +01002562/* set temp integer to the connection rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002563static int
Willy Tarreau37406352012-04-23 16:16:37 +02002564acl_fetch_conn_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002565{
Willy Tarreau37406352012-04-23 16:16:37 +02002566 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002567 smp->type = SMP_T_UINT;
2568 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002569 if (ts != NULL) {
2570 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_RATE);
2571 if (!ptr)
2572 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002573 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, conn_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002574 table->data_arg[STKTABLE_DT_CONN_RATE].u);
2575 }
2576 return 1;
2577}
2578
Willy Tarreaua5e37562011-12-16 17:06:15 +01002579/* set temp integer to the connection rate from the session's tracked FE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002580 * the configured period.
2581 */
2582static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002583acl_fetch_sc1_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002584 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002585{
Willy Tarreau56123282010-08-06 19:06:56 +02002586 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002587 return 0;
2588
Willy Tarreau37406352012-04-23 16:16:37 +02002589 return acl_fetch_conn_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002590}
2591
Willy Tarreaua5e37562011-12-16 17:06:15 +01002592/* set temp integer to the connection rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002593 * the configured period.
2594 */
2595static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002596acl_fetch_sc2_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002597 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002598{
Willy Tarreau56123282010-08-06 19:06:56 +02002599 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002600 return 0;
2601
Willy Tarreau37406352012-04-23 16:16:37 +02002602 return acl_fetch_conn_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002603}
2604
Willy Tarreaua5e37562011-12-16 17:06:15 +01002605/* set temp integer to the connection rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002606 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002607 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002608 */
2609static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002610acl_fetch_src_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002611 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002612{
2613 struct stktable_key *key;
2614
David du Colombier4f92d322011-03-24 11:09:31 +01002615 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002616 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002617 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002618
Willy Tarreau24e32d82012-04-23 23:55:44 +02002619 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002620 return acl_fetch_conn_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002621}
2622
Willy Tarreaua5e37562011-12-16 17:06:15 +01002623/* set temp integer to the number of connections from the session's source address
Willy Tarreau8b22a712010-06-18 17:46:06 +02002624 * in the table pointed to by expr, after updating it.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002625 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002626 */
2627static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002628acl_fetch_src_updt_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002629 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002630{
2631 struct stksess *ts;
2632 struct stktable_key *key;
2633 void *ptr;
2634
David du Colombier4f92d322011-03-24 11:09:31 +01002635 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002636 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002637 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002638
Willy Tarreau24e32d82012-04-23 23:55:44 +02002639 px = args->data.prx;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002640
Willy Tarreau1f7e9252010-06-20 12:27:21 +02002641 if ((ts = stktable_update_key(&px->table, key)) == NULL)
2642 /* entry does not exist and could not be created */
2643 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002644
2645 ptr = stktable_data_ptr(&px->table, ts, STKTABLE_DT_CONN_CNT);
2646 if (!ptr)
2647 return 0; /* parameter not stored in this table */
2648
Willy Tarreauf853c462012-04-23 18:53:56 +02002649 smp->type = SMP_T_UINT;
2650 smp->data.uint = ++stktable_data_cast(ptr, conn_cnt);
Willy Tarreau37406352012-04-23 16:16:37 +02002651 smp->flags = SMP_F_VOL_TEST;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002652 return 1;
2653}
2654
Willy Tarreaua5e37562011-12-16 17:06:15 +01002655/* set temp integer to the number of concurrent connections in the stksess entry <ts> */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002656static int
Willy Tarreau37406352012-04-23 16:16:37 +02002657acl_fetch_conn_cur(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002658{
Willy Tarreau37406352012-04-23 16:16:37 +02002659 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002660 smp->type = SMP_T_UINT;
2661 smp->data.uint = 0;
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002662
2663 if (ts != NULL) {
2664 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CUR);
2665 if (!ptr)
2666 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002667 smp->data.uint = stktable_data_cast(ptr, conn_cur);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002668 }
2669 return 1;
2670}
2671
Willy Tarreaua5e37562011-12-16 17:06:15 +01002672/* set temp integer to the number of concurrent connections from the session's tracked FE counters */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002673static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002674acl_fetch_sc1_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002675 const struct arg *args, struct sample *smp)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002676{
Willy Tarreau56123282010-08-06 19:06:56 +02002677 if (!l4->stkctr1_entry)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002678 return 0;
2679
Willy Tarreau37406352012-04-23 16:16:37 +02002680 return acl_fetch_conn_cur(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002681}
2682
Willy Tarreaua5e37562011-12-16 17:06:15 +01002683/* set temp integer to the number of concurrent connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002684static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002685acl_fetch_sc2_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002686 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002687{
Willy Tarreau56123282010-08-06 19:06:56 +02002688 if (!l4->stkctr2_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002689 return 0;
2690
Willy Tarreau37406352012-04-23 16:16:37 +02002691 return acl_fetch_conn_cur(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002692}
2693
Willy Tarreaua5e37562011-12-16 17:06:15 +01002694/* set temp integer to the number of concurrent connections from the session's source
Willy Tarreau38285c12010-06-18 16:35:43 +02002695 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002696 * Accepts exactly 1 argument of type table.
Willy Tarreau38285c12010-06-18 16:35:43 +02002697 */
2698static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002699acl_fetch_src_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002700 const struct arg *args, struct sample *smp)
Willy Tarreau38285c12010-06-18 16:35:43 +02002701{
Willy Tarreau38285c12010-06-18 16:35:43 +02002702 struct stktable_key *key;
2703
David du Colombier4f92d322011-03-24 11:09:31 +01002704 key = tcp_src_to_stktable_key(l4);
Willy Tarreau38285c12010-06-18 16:35:43 +02002705 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002706 return 0;
Willy Tarreau38285c12010-06-18 16:35:43 +02002707
Willy Tarreau24e32d82012-04-23 23:55:44 +02002708 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002709 return acl_fetch_conn_cur(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau38285c12010-06-18 16:35:43 +02002710}
2711
Willy Tarreaua5e37562011-12-16 17:06:15 +01002712/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002713static int
Willy Tarreau37406352012-04-23 16:16:37 +02002714acl_fetch_sess_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002715{
Willy Tarreau37406352012-04-23 16:16:37 +02002716 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002717 smp->type = SMP_T_UINT;
2718 smp->data.uint = 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002719 if (ts != NULL) {
2720 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_CNT);
2721 if (!ptr)
2722 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002723 smp->data.uint = stktable_data_cast(ptr, sess_cnt);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002724 }
2725 return 1;
2726}
2727
Willy Tarreaua5e37562011-12-16 17:06:15 +01002728/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002729static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002730acl_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002731 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002732{
Willy Tarreau56123282010-08-06 19:06:56 +02002733 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002734 return 0;
2735
Willy Tarreau37406352012-04-23 16:16:37 +02002736 return acl_fetch_sess_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002737}
2738
Willy Tarreaua5e37562011-12-16 17:06:15 +01002739/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002740static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002741acl_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002742 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002743{
Willy Tarreau56123282010-08-06 19:06:56 +02002744 if (!l4->stkctr2_entry)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002745 return 0;
2746
Willy Tarreau37406352012-04-23 16:16:37 +02002747 return acl_fetch_sess_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002748}
2749
Willy Tarreaua5e37562011-12-16 17:06:15 +01002750/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002751 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002752 * Accepts exactly 1 argument of type table.
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002753 */
2754static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002755acl_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002756 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002757{
2758 struct stktable_key *key;
2759
David du Colombier4f92d322011-03-24 11:09:31 +01002760 key = tcp_src_to_stktable_key(l4);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002761 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002762 return 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002763
Willy Tarreau24e32d82012-04-23 23:55:44 +02002764 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002765 return acl_fetch_sess_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002766}
2767
Willy Tarreaua5e37562011-12-16 17:06:15 +01002768/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002769static int
Willy Tarreau37406352012-04-23 16:16:37 +02002770acl_fetch_sess_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002771{
Willy Tarreau37406352012-04-23 16:16:37 +02002772 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002773 smp->type = SMP_T_UINT;
2774 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002775 if (ts != NULL) {
2776 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_RATE);
2777 if (!ptr)
2778 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002779 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002780 table->data_arg[STKTABLE_DT_SESS_RATE].u);
2781 }
2782 return 1;
2783}
2784
Willy Tarreaua5e37562011-12-16 17:06:15 +01002785/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002786 * the configured period.
2787 */
2788static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002789acl_fetch_sc1_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002790 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002791{
Willy Tarreau56123282010-08-06 19:06:56 +02002792 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002793 return 0;
2794
Willy Tarreau37406352012-04-23 16:16:37 +02002795 return acl_fetch_sess_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002796}
2797
Willy Tarreaua5e37562011-12-16 17:06:15 +01002798/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002799 * the configured period.
2800 */
2801static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002802acl_fetch_sc2_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002803 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002804{
Willy Tarreau56123282010-08-06 19:06:56 +02002805 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002806 return 0;
2807
Willy Tarreau37406352012-04-23 16:16:37 +02002808 return acl_fetch_sess_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002809}
2810
Willy Tarreaua5e37562011-12-16 17:06:15 +01002811/* set temp integer to the session rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002812 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002813 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002814 */
2815static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002816acl_fetch_src_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002817 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002818{
2819 struct stktable_key *key;
2820
David du Colombier4f92d322011-03-24 11:09:31 +01002821 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002822 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002823 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002824
Willy Tarreau24e32d82012-04-23 23:55:44 +02002825 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002826 return acl_fetch_sess_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002827}
2828
Willy Tarreaua5e37562011-12-16 17:06:15 +01002829/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002830static int
Willy Tarreau37406352012-04-23 16:16:37 +02002831acl_fetch_http_req_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002832{
Willy Tarreau37406352012-04-23 16:16:37 +02002833 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002834 smp->type = SMP_T_UINT;
2835 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002836 if (ts != NULL) {
2837 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_CNT);
2838 if (!ptr)
2839 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002840 smp->data.uint = stktable_data_cast(ptr, http_req_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002841 }
2842 return 1;
2843}
2844
Willy Tarreaua5e37562011-12-16 17:06:15 +01002845/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002846static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002847acl_fetch_sc1_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002848 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002849{
Willy Tarreau56123282010-08-06 19:06:56 +02002850 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002851 return 0;
2852
Willy Tarreau37406352012-04-23 16:16:37 +02002853 return acl_fetch_http_req_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002854}
2855
Willy Tarreaua5e37562011-12-16 17:06:15 +01002856/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002857static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002858acl_fetch_sc2_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002859 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002860{
Willy Tarreau56123282010-08-06 19:06:56 +02002861 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002862 return 0;
2863
Willy Tarreau37406352012-04-23 16:16:37 +02002864 return acl_fetch_http_req_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002865}
2866
Willy Tarreaua5e37562011-12-16 17:06:15 +01002867/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002868 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002869 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002870 */
2871static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002872acl_fetch_src_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002873 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002874{
2875 struct stktable_key *key;
2876
David du Colombier4f92d322011-03-24 11:09:31 +01002877 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002878 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002879 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002880
Willy Tarreau24e32d82012-04-23 23:55:44 +02002881 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002882 return acl_fetch_http_req_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002883}
2884
Willy Tarreaua5e37562011-12-16 17:06:15 +01002885/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002886static int
Willy Tarreau37406352012-04-23 16:16:37 +02002887acl_fetch_http_req_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002888{
Willy Tarreau37406352012-04-23 16:16:37 +02002889 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002890 smp->type = SMP_T_UINT;
2891 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002892 if (ts != NULL) {
2893 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_RATE);
2894 if (!ptr)
2895 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002896 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_req_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02002897 table->data_arg[STKTABLE_DT_HTTP_REQ_RATE].u);
2898 }
2899 return 1;
2900}
2901
Willy Tarreaua5e37562011-12-16 17:06:15 +01002902/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02002903 * the configured period.
2904 */
2905static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002906acl_fetch_sc1_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002907 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002908{
Willy Tarreau56123282010-08-06 19:06:56 +02002909 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002910 return 0;
2911
Willy Tarreau37406352012-04-23 16:16:37 +02002912 return acl_fetch_http_req_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002913}
2914
Willy Tarreaua5e37562011-12-16 17:06:15 +01002915/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002916 * the configured period.
2917 */
2918static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002919acl_fetch_sc2_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002920 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002921{
Willy Tarreau56123282010-08-06 19:06:56 +02002922 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002923 return 0;
2924
Willy Tarreau37406352012-04-23 16:16:37 +02002925 return acl_fetch_http_req_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002926}
2927
Willy Tarreaua5e37562011-12-16 17:06:15 +01002928/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02002929 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002930 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002931 */
2932static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002933acl_fetch_src_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002934 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002935{
2936 struct stktable_key *key;
2937
David du Colombier4f92d322011-03-24 11:09:31 +01002938 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002939 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002940 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002941
Willy Tarreau24e32d82012-04-23 23:55:44 +02002942 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002943 return acl_fetch_http_req_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002944}
2945
Willy Tarreaua5e37562011-12-16 17:06:15 +01002946/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002947static int
Willy Tarreau37406352012-04-23 16:16:37 +02002948acl_fetch_http_err_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002949{
Willy Tarreau37406352012-04-23 16:16:37 +02002950 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002951 smp->type = SMP_T_UINT;
2952 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002953 if (ts != NULL) {
2954 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_CNT);
2955 if (!ptr)
2956 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002957 smp->data.uint = stktable_data_cast(ptr, http_err_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002958 }
2959 return 1;
2960}
2961
Willy Tarreaua5e37562011-12-16 17:06:15 +01002962/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002963static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002964acl_fetch_sc1_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002965 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002966{
Willy Tarreau56123282010-08-06 19:06:56 +02002967 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002968 return 0;
2969
Willy Tarreau37406352012-04-23 16:16:37 +02002970 return acl_fetch_http_err_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002971}
2972
Willy Tarreaua5e37562011-12-16 17:06:15 +01002973/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002974static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002975acl_fetch_sc2_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002976 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002977{
Willy Tarreau56123282010-08-06 19:06:56 +02002978 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002979 return 0;
2980
Willy Tarreau37406352012-04-23 16:16:37 +02002981 return acl_fetch_http_err_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002982}
2983
Willy Tarreaua5e37562011-12-16 17:06:15 +01002984/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002985 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002986 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002987 */
2988static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002989acl_fetch_src_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002990 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002991{
2992 struct stktable_key *key;
2993
David du Colombier4f92d322011-03-24 11:09:31 +01002994 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002995 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002996 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002997
Willy Tarreau24e32d82012-04-23 23:55:44 +02002998 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002999 return acl_fetch_http_err_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02003000}
3001
Willy Tarreaua5e37562011-12-16 17:06:15 +01003002/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02003003static int
Willy Tarreau37406352012-04-23 16:16:37 +02003004acl_fetch_http_err_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003005{
Willy Tarreau37406352012-04-23 16:16:37 +02003006 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003007 smp->type = SMP_T_UINT;
3008 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02003009 if (ts != NULL) {
3010 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_RATE);
3011 if (!ptr)
3012 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003013 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_err_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02003014 table->data_arg[STKTABLE_DT_HTTP_ERR_RATE].u);
3015 }
3016 return 1;
3017}
3018
Willy Tarreaua5e37562011-12-16 17:06:15 +01003019/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02003020 * the configured period.
3021 */
3022static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003023acl_fetch_sc1_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003024 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003025{
Willy Tarreau56123282010-08-06 19:06:56 +02003026 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003027 return 0;
3028
Willy Tarreau37406352012-04-23 16:16:37 +02003029 return acl_fetch_http_err_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003030}
3031
Willy Tarreaua5e37562011-12-16 17:06:15 +01003032/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003033 * the configured period.
3034 */
3035static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003036acl_fetch_sc2_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003037 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003038{
Willy Tarreau56123282010-08-06 19:06:56 +02003039 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003040 return 0;
3041
Willy Tarreau37406352012-04-23 16:16:37 +02003042 return acl_fetch_http_err_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003043}
3044
Willy Tarreaua5e37562011-12-16 17:06:15 +01003045/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02003046 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003047 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02003048 */
3049static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003050acl_fetch_src_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003051 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003052{
3053 struct stktable_key *key;
3054
David du Colombier4f92d322011-03-24 11:09:31 +01003055 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003056 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003057 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02003058
Willy Tarreau24e32d82012-04-23 23:55:44 +02003059 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003060 return acl_fetch_http_err_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02003061}
3062
Willy Tarreaua5e37562011-12-16 17:06:15 +01003063/* set temp integer to the number of kbytes received from clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003064static int
Willy Tarreau37406352012-04-23 16:16:37 +02003065acl_fetch_kbytes_in(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003066{
Willy Tarreau37406352012-04-23 16:16:37 +02003067 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003068 smp->type = SMP_T_UINT;
3069 smp->data.uint = 0;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003070
3071 if (ts != NULL) {
3072 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_CNT);
3073 if (!ptr)
3074 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003075 smp->data.uint = stktable_data_cast(ptr, bytes_in_cnt) >> 10;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003076 }
3077 return 1;
3078}
3079
Willy Tarreaua5e37562011-12-16 17:06:15 +01003080/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003081 * session's tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003082 */
3083static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003084acl_fetch_sc1_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003085 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003086{
Willy Tarreau56123282010-08-06 19:06:56 +02003087 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003088 return 0;
3089
Willy Tarreau37406352012-04-23 16:16:37 +02003090 return acl_fetch_kbytes_in(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003091}
3092
Willy Tarreaua5e37562011-12-16 17:06:15 +01003093/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003094 * session's tracked BE counters.
3095 */
3096static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003097acl_fetch_sc2_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003098 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003099{
Willy Tarreau56123282010-08-06 19:06:56 +02003100 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003101 return 0;
3102
Willy Tarreau37406352012-04-23 16:16:37 +02003103 return acl_fetch_kbytes_in(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003104}
3105
Willy Tarreaua5e37562011-12-16 17:06:15 +01003106/* set temp integer to the number of kbytes received from the session's source
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003107 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003108 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003109 */
3110static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003111acl_fetch_src_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003112 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003113{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003114 struct stktable_key *key;
3115
David du Colombier4f92d322011-03-24 11:09:31 +01003116 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003117 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003118 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003119
Willy Tarreau24e32d82012-04-23 23:55:44 +02003120 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003121 return acl_fetch_kbytes_in(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003122}
3123
Willy Tarreaua5e37562011-12-16 17:06:15 +01003124/* set temp integer to the bytes rate from clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003125 * configured period.
3126 */
3127static int
Willy Tarreau37406352012-04-23 16:16:37 +02003128acl_fetch_bytes_in_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003129{
Willy Tarreau37406352012-04-23 16:16:37 +02003130 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003131 smp->type = SMP_T_UINT;
3132 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003133 if (ts != NULL) {
3134 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_RATE);
3135 if (!ptr)
3136 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003137 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003138 table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u);
3139 }
3140 return 1;
3141}
3142
Willy Tarreaua5e37562011-12-16 17:06:15 +01003143/* set temp integer to the bytes rate from clients from the session's tracked FE
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003144 * counters over the configured period.
3145 */
3146static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003147acl_fetch_sc1_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003148 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003149{
Willy Tarreau56123282010-08-06 19:06:56 +02003150 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003151 return 0;
3152
Willy Tarreau37406352012-04-23 16:16:37 +02003153 return acl_fetch_bytes_in_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003154}
3155
Willy Tarreaua5e37562011-12-16 17:06:15 +01003156/* set temp integer to the bytes rate from clients from the session's tracked BE
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003157 * counters over the configured period.
3158 */
3159static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003160acl_fetch_sc2_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003161 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003162{
Willy Tarreau56123282010-08-06 19:06:56 +02003163 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003164 return 0;
3165
Willy Tarreau37406352012-04-23 16:16:37 +02003166 return acl_fetch_bytes_in_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003167}
3168
Willy Tarreaua5e37562011-12-16 17:06:15 +01003169/* set temp integer to the bytes rate from clients from the session's source address
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003170 * in the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003171 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003172 */
3173static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003174acl_fetch_src_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003175 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003176{
3177 struct stktable_key *key;
3178
David du Colombier4f92d322011-03-24 11:09:31 +01003179 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003180 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003181 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003182
Willy Tarreau24e32d82012-04-23 23:55:44 +02003183 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003184 return acl_fetch_bytes_in_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003185}
3186
Willy Tarreaua5e37562011-12-16 17:06:15 +01003187/* set temp integer to the number of kbytes sent to clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003188static int
Willy Tarreau37406352012-04-23 16:16:37 +02003189acl_fetch_kbytes_out(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003190{
Willy Tarreau37406352012-04-23 16:16:37 +02003191 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003192 smp->type = SMP_T_UINT;
3193 smp->data.uint = 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003194
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003195 if (ts != NULL) {
3196 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003197 if (!ptr)
3198 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003199 smp->data.uint = stktable_data_cast(ptr, bytes_out_cnt) >> 10;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003200 }
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003201 return 1;
3202}
3203
Willy Tarreaua5e37562011-12-16 17:06:15 +01003204/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003205 * tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003206 */
3207static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003208acl_fetch_sc1_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003209 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003210{
Willy Tarreau56123282010-08-06 19:06:56 +02003211 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003212 return 0;
3213
Willy Tarreau37406352012-04-23 16:16:37 +02003214 return acl_fetch_kbytes_out(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003215}
3216
Willy Tarreaua5e37562011-12-16 17:06:15 +01003217/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003218 * tracked BE counters.
3219 */
3220static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003221acl_fetch_sc2_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003222 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003223{
Willy Tarreau56123282010-08-06 19:06:56 +02003224 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003225 return 0;
3226
Willy Tarreau37406352012-04-23 16:16:37 +02003227 return acl_fetch_kbytes_out(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003228}
3229
Willy Tarreaua5e37562011-12-16 17:06:15 +01003230/* set temp integer to the number of kbytes sent to the session's source address in
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003231 * the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003232 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003233 */
3234static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003235acl_fetch_src_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003236 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003237{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003238 struct stktable_key *key;
3239
David du Colombier4f92d322011-03-24 11:09:31 +01003240 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003241 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003242 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003243
Willy Tarreau24e32d82012-04-23 23:55:44 +02003244 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003245 return acl_fetch_kbytes_out(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003246}
3247
Willy Tarreaua5e37562011-12-16 17:06:15 +01003248/* set temp integer to the bytes rate to clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003249 * configured period.
3250 */
3251static int
Willy Tarreau37406352012-04-23 16:16:37 +02003252acl_fetch_bytes_out_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003253{
Willy Tarreau37406352012-04-23 16:16:37 +02003254 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003255 smp->type = SMP_T_UINT;
3256 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003257 if (ts != NULL) {
3258 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_RATE);
3259 if (!ptr)
3260 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003261 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003262 table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u);
3263 }
3264 return 1;
3265}
3266
Willy Tarreaua5e37562011-12-16 17:06:15 +01003267/* set temp integer to the bytes rate to clients from the session's tracked FE counters
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003268 * over the configured period.
3269 */
3270static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003271acl_fetch_sc1_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003272 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003273{
Willy Tarreau56123282010-08-06 19:06:56 +02003274 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003275 return 0;
3276
Willy Tarreau37406352012-04-23 16:16:37 +02003277 return acl_fetch_bytes_out_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003278}
3279
Willy Tarreaua5e37562011-12-16 17:06:15 +01003280/* set temp integer to the bytes rate to clients from the session's tracked BE counters
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003281 * over the configured period.
3282 */
3283static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003284acl_fetch_sc2_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003285 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003286{
Willy Tarreau56123282010-08-06 19:06:56 +02003287 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003288 return 0;
3289
Willy Tarreau37406352012-04-23 16:16:37 +02003290 return acl_fetch_bytes_out_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003291}
3292
Willy Tarreaua5e37562011-12-16 17:06:15 +01003293/* set temp integer to the bytes rate to client from the session's source address in
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003294 * the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003295 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003296 */
3297static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003298acl_fetch_src_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003299 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003300{
3301 struct stktable_key *key;
3302
David du Colombier4f92d322011-03-24 11:09:31 +01003303 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003304 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003305 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003306
Willy Tarreau24e32d82012-04-23 23:55:44 +02003307 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003308 return acl_fetch_bytes_out_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003309}
3310
Willy Tarreau34db1082012-04-19 17:16:54 +02003311/* set temp integer to the number of used entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003312 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003313 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003314static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003315acl_fetch_table_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003316 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003317{
Willy Tarreau37406352012-04-23 16:16:37 +02003318 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003319 smp->type = SMP_T_UINT;
Willy Tarreau24e32d82012-04-23 23:55:44 +02003320 smp->data.uint = args->data.prx->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003321 return 1;
3322}
3323
Willy Tarreau34db1082012-04-19 17:16:54 +02003324/* set temp integer to the number of free entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003325 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003326 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003327static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003328acl_fetch_table_avl(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003329 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003330{
Willy Tarreau24e32d82012-04-23 23:55:44 +02003331 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003332 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003333 smp->type = SMP_T_UINT;
3334 smp->data.uint = px->table.size - px->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003335 return 1;
3336}
Willy Tarreau8b22a712010-06-18 17:46:06 +02003337
Willy Tarreau61612d42012-04-19 18:42:05 +02003338/* Note: must not be declared <const> as its list will be overwritten.
3339 * Please take care of keeping this list alphabetically sorted.
3340 */
Willy Tarreau8b22a712010-06-18 17:46:06 +02003341static struct acl_kw_list acl_kws = {{ },{
Willy Tarreau61612d42012-04-19 18:42:05 +02003342 { "sc1_bytes_in_rate", acl_parse_int, acl_fetch_sc1_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3343 { "sc1_bytes_out_rate", acl_parse_int, acl_fetch_sc1_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3344 { "sc1_clr_gpc0", acl_parse_int, acl_fetch_sc1_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3345 { "sc1_conn_cnt", acl_parse_int, acl_fetch_sc1_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3346 { "sc1_conn_cur", acl_parse_int, acl_fetch_sc1_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3347 { "sc1_conn_rate", acl_parse_int, acl_fetch_sc1_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3348 { "sc1_get_gpc0", acl_parse_int, acl_fetch_sc1_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3349 { "sc1_http_err_cnt", acl_parse_int, acl_fetch_sc1_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3350 { "sc1_http_err_rate", acl_parse_int, acl_fetch_sc1_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3351 { "sc1_http_req_cnt", acl_parse_int, acl_fetch_sc1_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3352 { "sc1_http_req_rate", acl_parse_int, acl_fetch_sc1_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3353 { "sc1_inc_gpc0", acl_parse_int, acl_fetch_sc1_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3354 { "sc1_kbytes_in", acl_parse_int, acl_fetch_sc1_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3355 { "sc1_kbytes_out", acl_parse_int, acl_fetch_sc1_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3356 { "sc1_sess_cnt", acl_parse_int, acl_fetch_sc1_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3357 { "sc1_sess_rate", acl_parse_int, acl_fetch_sc1_sess_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3358 { "sc2_bytes_in_rate", acl_parse_int, acl_fetch_sc2_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3359 { "sc2_bytes_out_rate", acl_parse_int, acl_fetch_sc2_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3360 { "sc2_clr_gpc0", acl_parse_int, acl_fetch_sc2_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3361 { "sc2_conn_cnt", acl_parse_int, acl_fetch_sc2_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3362 { "sc2_conn_cur", acl_parse_int, acl_fetch_sc2_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3363 { "sc2_conn_rate", acl_parse_int, acl_fetch_sc2_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3364 { "sc2_get_gpc0", acl_parse_int, acl_fetch_sc2_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3365 { "sc2_http_err_cnt", acl_parse_int, acl_fetch_sc2_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3366 { "sc2_http_err_rate", acl_parse_int, acl_fetch_sc2_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3367 { "sc2_http_req_cnt", acl_parse_int, acl_fetch_sc2_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3368 { "sc2_http_req_rate", acl_parse_int, acl_fetch_sc2_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3369 { "sc2_inc_gpc0", acl_parse_int, acl_fetch_sc2_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3370 { "sc2_kbytes_in", acl_parse_int, acl_fetch_sc2_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3371 { "sc2_kbytes_out", acl_parse_int, acl_fetch_sc2_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3372 { "sc2_sess_cnt", acl_parse_int, acl_fetch_sc2_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3373 { "sc2_sess_rate", acl_parse_int, acl_fetch_sc2_sess_rate, acl_match_int, ACL_USE_NOTHING, 0 },
Willy Tarreaufc2c1fd2012-04-19 23:35:54 +02003374 { "src_bytes_in_rate", acl_parse_int, acl_fetch_src_bytes_in_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3375 { "src_bytes_out_rate", acl_parse_int, acl_fetch_src_bytes_out_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3376 { "src_clr_gpc0", acl_parse_int, acl_fetch_src_clr_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3377 { "src_conn_cnt", acl_parse_int, acl_fetch_src_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3378 { "src_conn_cur", acl_parse_int, acl_fetch_src_conn_cur, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3379 { "src_conn_rate", acl_parse_int, acl_fetch_src_conn_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3380 { "src_get_gpc0", acl_parse_int, acl_fetch_src_get_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3381 { "src_http_err_cnt", acl_parse_int, acl_fetch_src_http_err_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3382 { "src_http_err_rate", acl_parse_int, acl_fetch_src_http_err_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3383 { "src_http_req_cnt", acl_parse_int, acl_fetch_src_http_req_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3384 { "src_http_req_rate", acl_parse_int, acl_fetch_src_http_req_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3385 { "src_inc_gpc0", acl_parse_int, acl_fetch_src_inc_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3386 { "src_kbytes_in", acl_parse_int, acl_fetch_src_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3387 { "src_kbytes_out", acl_parse_int, acl_fetch_src_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3388 { "src_sess_cnt", acl_parse_int, acl_fetch_src_sess_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3389 { "src_sess_rate", acl_parse_int, acl_fetch_src_sess_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3390 { "src_updt_conn_cnt", acl_parse_int, acl_fetch_src_updt_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3391 { "table_avl", acl_parse_int, acl_fetch_table_avl, acl_match_int, ACL_USE_NOTHING, ARG1(1,TAB) },
3392 { "table_cnt", acl_parse_int, acl_fetch_table_cnt, acl_match_int, ACL_USE_NOTHING, ARG1(1,TAB) },
Willy Tarreau8b22a712010-06-18 17:46:06 +02003393 { NULL, NULL, NULL, NULL },
3394}};
3395
3396
Willy Tarreau56123282010-08-06 19:06:56 +02003397/* Parse a "track-sc[12]" line starting with "track-sc[12]" in args[arg-1].
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003398 * Returns the number of warnings emitted, or -1 in case of fatal errors. The
3399 * <prm> struct is fed with the table name if any. If unspecified, the caller
3400 * will assume that the current proxy's table is used.
3401 */
3402int parse_track_counters(char **args, int *arg,
3403 int section_type, struct proxy *curpx,
3404 struct track_ctr_prm *prm,
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003405 struct proxy *defpx, char **err)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003406{
Willy Tarreau12785782012-04-27 21:37:17 +02003407 int sample_type = 0;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003408
Willy Tarreau56123282010-08-06 19:06:56 +02003409 /* parse the arguments of "track-sc[12]" before the condition in the
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003410 * following form :
Willy Tarreau56123282010-08-06 19:06:56 +02003411 * track-sc[12] src [ table xxx ] [ if|unless ... ]
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003412 */
3413 while (args[*arg]) {
3414 if (strcmp(args[*arg], "src") == 0) {
3415 prm->type = STKTABLE_TYPE_IP;
Willy Tarreau12785782012-04-27 21:37:17 +02003416 sample_type = 1;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003417 }
3418 else if (strcmp(args[*arg], "table") == 0) {
3419 if (!args[*arg + 1]) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003420 memprintf(err, "missing table name");
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003421 return -1;
3422 }
3423 /* we copy the table name for now, it will be resolved later */
3424 prm->table.n = strdup(args[*arg + 1]);
3425 (*arg)++;
3426 }
3427 else {
3428 /* unhandled keywords are handled by the caller */
3429 break;
3430 }
3431 (*arg)++;
3432 }
3433
Willy Tarreau12785782012-04-27 21:37:17 +02003434 if (!sample_type) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003435 memprintf(err,
3436 "tracking key not specified (found %s, only 'src' is supported)",
3437 quote_arg(args[*arg]));
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003438 return -1;
3439 }
3440
3441 return 0;
3442}
3443
Willy Tarreau8b22a712010-06-18 17:46:06 +02003444__attribute__((constructor))
3445static void __session_init(void)
3446{
3447 acl_register_keywords(&acl_kws);
3448}
3449
Willy Tarreaubaaee002006-06-26 02:48:02 +02003450/*
3451 * Local variables:
3452 * c-indent-level: 8
3453 * c-basic-offset: 8
3454 * End:
3455 */