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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 Tarreauc7e42382012-08-24 19:22:53 +020027#include <proto/channel.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 */
Willy Tarreauc5788912012-08-24 18:12:41 +0200183 si_prepare_conn(&s->si[0], l->proto, l->data);
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 Tarreau0bd05ea2010-07-02 11:18:03 +0200199 s->si[1].release = NULL;
Willy Tarreau63e7fe32012-05-08 15:20:43 +0200200 s->si[1].send_proxy_ofs = 0;
Willy Tarreau9e000c62011-03-10 14:03:36 +0100201 clear_target(&s->si[1].target);
Willy Tarreauc5788912012-08-24 18:12:41 +0200202 si_prepare_embedded(&s->si[1]);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200203 s->si[1].exp = TICK_ETERNITY;
204 s->si[1].flags = SI_FL_NONE;
205
206 if (likely(s->fe->options2 & PR_O2_INDEPSTR))
207 s->si[1].flags |= SI_FL_INDEP_STR;
208
Willy Tarreau9bd0d742011-07-20 00:17:39 +0200209 session_init_srv_conn(s);
Willy Tarreau9e000c62011-03-10 14:03:36 +0100210 clear_target(&s->target);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200211 s->pend_pos = NULL;
212
213 /* init store persistence */
214 s->store_count = 0;
215
216 /* Adjust some socket options */
Willy Tarreaufffe1322010-11-11 09:48:16 +0100217 if (unlikely(fcntl(cfd, F_SETFL, O_NONBLOCK) == -1))
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200218 goto out_free_task;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200219
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200220 if (unlikely((s->req = pool_alloc2(pool2_buffer)) == NULL))
221 goto out_free_task; /* no memory */
222
223 if (unlikely((s->rep = pool_alloc2(pool2_buffer)) == NULL))
224 goto out_free_req; /* no memory */
225
226 /* initialize the request buffer */
Willy Tarreau572bf902012-07-02 17:01:20 +0200227 s->req->buf.size = global.tune.bufsize;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200228 buffer_init(s->req);
229 s->req->prod = &s->si[0];
230 s->req->cons = &s->si[1];
231 s->si[0].ib = s->si[1].ob = s->req;
232 s->req->flags |= BF_READ_ATTACHED; /* the producer is already connected */
233
234 /* activate default analysers enabled for this listener */
235 s->req->analysers = l->analysers;
236
237 s->req->wto = TICK_ETERNITY;
238 s->req->rto = TICK_ETERNITY;
239 s->req->rex = TICK_ETERNITY;
240 s->req->wex = TICK_ETERNITY;
241 s->req->analyse_exp = TICK_ETERNITY;
242
243 /* initialize response buffer */
Willy Tarreau572bf902012-07-02 17:01:20 +0200244 s->rep->buf.size = global.tune.bufsize;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200245 buffer_init(s->rep);
246 s->rep->prod = &s->si[1];
247 s->rep->cons = &s->si[0];
248 s->si[0].ob = s->si[1].ib = s->rep;
249 s->rep->analysers = 0;
250
Willy Tarreau96e31212011-05-30 18:10:30 +0200251 if (s->fe->options2 & PR_O2_NODELAY) {
252 s->req->flags |= BF_NEVER_WAIT;
253 s->rep->flags |= BF_NEVER_WAIT;
254 }
255
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200256 s->rep->rto = TICK_ETERNITY;
257 s->rep->wto = TICK_ETERNITY;
258 s->rep->rex = TICK_ETERNITY;
259 s->rep->wex = TICK_ETERNITY;
260 s->rep->analyse_exp = TICK_ETERNITY;
261
Willy Tarreau62f791e2012-03-09 11:32:30 +0100262 txn = &s->txn;
263 /* Those variables will be checked and freed if non-NULL in
264 * session.c:session_free(). It is important that they are
265 * properly initialized.
266 */
267 txn->sessid = NULL;
268 txn->srv_cookie = NULL;
269 txn->cli_cookie = NULL;
270 txn->uri = NULL;
271 txn->req.cap = NULL;
272 txn->rsp.cap = NULL;
273 txn->hdr_idx.v = NULL;
274 txn->hdr_idx.size = txn->hdr_idx.used = 0;
275 txn->req.flags = 0;
276 txn->rsp.flags = 0;
277 /* the HTTP messages need to know what buffer they're associated with */
278 txn->req.buf = s->req;
279 txn->rsp.buf = s->rep;
280
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200281 /* finish initialization of the accepted file descriptor */
282 fd_insert(cfd);
Willy Tarreau80184712012-07-06 14:54:49 +0200283 fdtab[cfd].owner = &s->si[0].conn;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200284 fdtab[cfd].flags = 0;
Willy Tarreaud2274c62012-07-06 14:29:45 +0200285 fdtab[cfd].iocb = conn_fd_handler;
Willy Tarreauf9dabec2012-08-17 17:33:53 +0200286 conn_data_want_recv(&s->si[0].conn);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200287
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100288 if (p->accept && (ret = p->accept(s)) <= 0) {
289 /* Either we had an unrecoverable error (<0) or work is
290 * finished (=0, eg: monitoring), in both situations,
291 * we can release everything and close.
292 */
293 goto out_free_rep;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200294 }
295
296 /* it is important not to call the wakeup function directly but to
297 * pass through task_wakeup(), because this one knows how to apply
298 * priorities to tasks.
299 */
300 task_wakeup(t, TASK_WOKEN_INIT);
301 return 1;
302
303 /* Error unrolling */
304 out_free_rep:
305 pool_free2(pool2_buffer, s->rep);
306 out_free_req:
307 pool_free2(pool2_buffer, s->req);
308 out_free_task:
Willy Tarreau24dcaf32010-06-05 10:49:41 +0200309 p->feconn--;
Willy Tarreau56123282010-08-06 19:06:56 +0200310 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200311 session_store_counters(s);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200312 task_free(t);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200313 LIST_DEL(&s->list);
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100314 out_free_session:
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200315 pool_free2(pool2_session, s);
316 out_close:
Willy Tarreau2b154922011-07-22 17:36:27 +0200317 if (ret < 0 && s->fe->mode == PR_MODE_HTTP) {
318 /* critical error, no more memory, try to emit a 500 response */
319 struct chunk *err_msg = error_message(s, HTTP_ERR_500);
320 send(cfd, err_msg->str, err_msg->len, MSG_DONTWAIT|MSG_NOSIGNAL);
321 }
322
Willy Tarreaudb3b3262012-07-05 23:19:22 +0200323 if (fdtab[cfd].owner)
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100324 fd_delete(cfd);
325 else
326 close(cfd);
327 return ret;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200328}
329
Willy Tarreaubaaee002006-06-26 02:48:02 +0200330/*
331 * frees the context associated to a session. It must have been removed first.
332 */
Simon Hormandec5be42011-06-08 09:19:07 +0900333static void session_free(struct session *s)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200334{
Willy Tarreau4dbc4a22007-03-03 16:23:22 +0100335 struct http_txn *txn = &s->txn;
Willy Tarreau632f5a72007-07-11 10:42:35 +0200336 struct proxy *fe = s->fe;
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100337 struct bref *bref, *back;
Willy Tarreaua4cda672010-06-06 18:28:49 +0200338 int i;
Willy Tarreau0f7562b2007-01-07 15:46:13 +0100339
Willy Tarreaubaaee002006-06-26 02:48:02 +0200340 if (s->pend_pos)
341 pendconn_free(s->pend_pos);
Willy Tarreau922a8062008-12-04 09:33:58 +0100342
Willy Tarreau827aee92011-03-10 16:55:02 +0100343 if (target_srv(&s->target)) { /* there may be requests left pending in queue */
Willy Tarreau1e62de62008-11-11 20:20:02 +0100344 if (s->flags & SN_CURR_SESS) {
345 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100346 target_srv(&s->target)->cur_sess--;
Willy Tarreau1e62de62008-11-11 20:20:02 +0100347 }
Willy Tarreau827aee92011-03-10 16:55:02 +0100348 if (may_dequeue_tasks(target_srv(&s->target), s->be))
349 process_srv_queue(target_srv(&s->target));
Willy Tarreau1e62de62008-11-11 20:20:02 +0100350 }
Willy Tarreau922a8062008-12-04 09:33:58 +0100351
Willy Tarreau7c669d72008-06-20 15:04:11 +0200352 if (unlikely(s->srv_conn)) {
353 /* the session still has a reserved slot on a server, but
354 * it should normally be only the same as the one above,
355 * so this should not happen in fact.
356 */
357 sess_change_server(s, NULL);
358 }
359
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100360 if (s->req->pipe)
361 put_pipe(s->req->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100362
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100363 if (s->rep->pipe)
364 put_pipe(s->rep->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100365
Willy Tarreau48d63db2008-08-03 17:41:33 +0200366 pool_free2(pool2_buffer, s->req);
367 pool_free2(pool2_buffer, s->rep);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200368
Willy Tarreau46023632010-01-07 22:51:47 +0100369 http_end_txn(s);
370
Willy Tarreaua4cda672010-06-06 18:28:49 +0200371 for (i = 0; i < s->store_count; i++) {
372 if (!s->store[i].ts)
373 continue;
374 stksess_free(s->store[i].table, s->store[i].ts);
375 s->store[i].ts = NULL;
376 }
377
Willy Tarreau34eb6712011-10-24 18:15:04 +0200378 pool_free2(pool2_hdr_idx, txn->hdr_idx.v);
Willy Tarreau92fb9832007-10-16 17:34:28 +0200379 if (fe) {
Willy Tarreau46023632010-01-07 22:51:47 +0100380 pool_free2(fe->rsp_cap_pool, txn->rsp.cap);
381 pool_free2(fe->req_cap_pool, txn->req.cap);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200382 }
Willy Tarreau0937bc42009-12-22 15:03:09 +0100383
Willy Tarreau56123282010-08-06 19:06:56 +0200384 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200385 session_store_counters(s);
386
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100387 list_for_each_entry_safe(bref, back, &s->back_refs, users) {
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100388 /* we have to unlink all watchers. We must not relink them if
389 * this session was the last one in the list.
390 */
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100391 LIST_DEL(&bref->users);
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100392 LIST_INIT(&bref->users);
393 if (s->list.n != &sessions)
394 LIST_ADDQ(&LIST_ELEM(s->list.n, struct session *, list)->back_refs, &bref->users);
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100395 bref->ref = s->list.n;
396 }
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100397 LIST_DEL(&s->list);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200398 pool_free2(pool2_session, s);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200399
400 /* We may want to free the maximum amount of pools if the proxy is stopping */
Willy Tarreau92fb9832007-10-16 17:34:28 +0200401 if (fe && unlikely(fe->state == PR_STSTOPPED)) {
Willy Tarreau48d63db2008-08-03 17:41:33 +0200402 pool_flush2(pool2_buffer);
Willy Tarreau34eb6712011-10-24 18:15:04 +0200403 pool_flush2(pool2_hdr_idx);
Willy Tarreau48d63db2008-08-03 17:41:33 +0200404 pool_flush2(pool2_requri);
405 pool_flush2(pool2_capture);
406 pool_flush2(pool2_session);
407 pool_flush2(fe->req_cap_pool);
408 pool_flush2(fe->rsp_cap_pool);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200409 }
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200410}
411
412
413/* perform minimal intializations, report 0 in case of error, 1 if OK. */
414int init_session()
415{
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100416 LIST_INIT(&sessions);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200417 pool2_session = create_pool("session", sizeof(struct session), MEM_F_SHARED);
418 return pool2_session != NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200419}
420
Willy Tarreau30e71012007-11-26 20:15:35 +0100421void session_process_counters(struct session *s)
422{
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100423 unsigned long long bytes;
424
Willy Tarreau30e71012007-11-26 20:15:35 +0100425 if (s->req) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100426 bytes = s->req->total - s->logs.bytes_in;
Willy Tarreau30e71012007-11-26 20:15:35 +0100427 s->logs.bytes_in = s->req->total;
428 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100429 s->fe->fe_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100430
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100431 s->be->be_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100432
Willy Tarreau827aee92011-03-10 16:55:02 +0100433 if (target_srv(&s->target))
434 target_srv(&s->target)->counters.bytes_in += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200435
436 if (s->listener->counters)
437 s->listener->counters->bytes_in += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200438
Willy Tarreau56123282010-08-06 19:06:56 +0200439 if (s->stkctr2_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200440 void *ptr;
441
Willy Tarreau56123282010-08-06 19:06:56 +0200442 ptr = stktable_data_ptr(s->stkctr2_table,
443 s->stkctr2_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200444 STKTABLE_DT_BYTES_IN_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200445 if (ptr)
446 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200447
Willy Tarreau56123282010-08-06 19:06:56 +0200448 ptr = stktable_data_ptr(s->stkctr2_table,
449 s->stkctr2_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200450 STKTABLE_DT_BYTES_IN_RATE);
451 if (ptr)
452 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200453 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200454 }
455
Willy Tarreau56123282010-08-06 19:06:56 +0200456 if (s->stkctr1_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200457 void *ptr;
458
Willy Tarreau56123282010-08-06 19:06:56 +0200459 ptr = stktable_data_ptr(s->stkctr1_table,
460 s->stkctr1_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200461 STKTABLE_DT_BYTES_IN_CNT);
462 if (ptr)
463 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
464
Willy Tarreau56123282010-08-06 19:06:56 +0200465 ptr = stktable_data_ptr(s->stkctr1_table,
466 s->stkctr1_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200467 STKTABLE_DT_BYTES_IN_RATE);
468 if (ptr)
469 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200470 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200471 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100472 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100473 }
474
Willy Tarreau30e71012007-11-26 20:15:35 +0100475 if (s->rep) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100476 bytes = s->rep->total - s->logs.bytes_out;
Willy Tarreau30e71012007-11-26 20:15:35 +0100477 s->logs.bytes_out = s->rep->total;
478 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100479 s->fe->fe_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100480
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100481 s->be->be_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100482
Willy Tarreau827aee92011-03-10 16:55:02 +0100483 if (target_srv(&s->target))
484 target_srv(&s->target)->counters.bytes_out += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200485
486 if (s->listener->counters)
487 s->listener->counters->bytes_out += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200488
Willy Tarreau56123282010-08-06 19:06:56 +0200489 if (s->stkctr2_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200490 void *ptr;
491
Willy Tarreau56123282010-08-06 19:06:56 +0200492 ptr = stktable_data_ptr(s->stkctr2_table,
493 s->stkctr2_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200494 STKTABLE_DT_BYTES_OUT_CNT);
495 if (ptr)
496 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
497
Willy Tarreau56123282010-08-06 19:06:56 +0200498 ptr = stktable_data_ptr(s->stkctr2_table,
499 s->stkctr2_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200500 STKTABLE_DT_BYTES_OUT_RATE);
501 if (ptr)
502 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200503 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200504 }
505
Willy Tarreau56123282010-08-06 19:06:56 +0200506 if (s->stkctr1_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200507 void *ptr;
508
Willy Tarreau56123282010-08-06 19:06:56 +0200509 ptr = stktable_data_ptr(s->stkctr1_table,
510 s->stkctr1_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200511 STKTABLE_DT_BYTES_OUT_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200512 if (ptr)
513 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200514
Willy Tarreau56123282010-08-06 19:06:56 +0200515 ptr = stktable_data_ptr(s->stkctr1_table,
516 s->stkctr1_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200517 STKTABLE_DT_BYTES_OUT_RATE);
518 if (ptr)
519 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200520 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200521 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100522 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100523 }
524}
Willy Tarreaubaaee002006-06-26 02:48:02 +0200525
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100526/* This function is called with (si->state == SI_ST_CON) meaning that a
527 * connection was attempted and that the file descriptor is already allocated.
528 * We must check for establishment, error and abort. Possible output states
529 * are SI_ST_EST (established), SI_ST_CER (error), SI_ST_DIS (abort), and
530 * SI_ST_CON (no change). The function returns 0 if it switches to SI_ST_CER,
531 * otherwise 1.
532 */
Simon Hormandec5be42011-06-08 09:19:07 +0900533static int sess_update_st_con_tcp(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100534{
Willy Tarreau7421efb2012-07-02 15:11:27 +0200535 struct channel *req = si->ob;
536 struct channel *rep = si->ib;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100537
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100538 /* If we got an error, or if nothing happened and the connection timed
539 * out, we must give up. The CER state handler will take care of retry
540 * attempts and error reports.
541 */
542 if (unlikely(si->flags & (SI_FL_EXP|SI_FL_ERR))) {
Willy Tarreau127334e2009-03-28 10:47:26 +0100543 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100544 si->state = SI_ST_CER;
Willy Tarreaudc340a92009-06-28 23:10:19 +0200545 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreaufb7508a2012-05-21 16:47:54 +0200546 fd_delete(si_fd(si));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100547
Willy Tarreau8b117082012-08-06 15:06:49 +0200548 conn_data_close(&si->conn);
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200549 if (si->release)
550 si->release(si);
551
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100552 if (si->err_type)
553 return 0;
554
Willy Tarreau827aee92011-03-10 16:55:02 +0100555 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100556 if (si->flags & SI_FL_ERR)
557 si->err_type = SI_ET_CONN_ERR;
558 else
559 si->err_type = SI_ET_CONN_TO;
560 return 0;
561 }
562
563 /* OK, maybe we want to abort */
Willy Tarreau418fd472009-09-06 21:37:23 +0200564 if (unlikely((rep->flags & BF_SHUTW) ||
565 ((req->flags & BF_SHUTW_NOW) && /* FIXME: this should not prevent a connection from establishing */
Willy Tarreau8e21bb92012-08-24 22:40:29 +0200566 ((!(req->flags & BF_WRITE_ACTIVITY) && channel_is_empty(req)) ||
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100567 s->be->options & PR_O_ABRT_CLOSE)))) {
568 /* give up */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200569 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100570 si->err_type |= SI_ET_CONN_ABRT;
Willy Tarreau827aee92011-03-10 16:55:02 +0100571 si->err_loc = target_srv(&s->target);
Willy Tarreaudc340a92009-06-28 23:10:19 +0200572 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreau84455332009-03-15 22:34:05 +0100573 if (s->srv_error)
574 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100575 return 1;
576 }
577
578 /* we need to wait a bit more if there was no activity either */
579 if (!(req->flags & BF_WRITE_ACTIVITY))
580 return 1;
581
582 /* OK, this means that a connection succeeded. The caller will be
583 * responsible for handling the transition from CON to EST.
584 */
585 s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau127334e2009-03-28 10:47:26 +0100586 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100587 si->state = SI_ST_EST;
588 si->err_type = SI_ET_NONE;
589 si->err_loc = NULL;
590 return 1;
591}
592
593/* This function is called with (si->state == SI_ST_CER) meaning that a
594 * previous connection attempt has failed and that the file descriptor
595 * has already been released. Possible causes include asynchronous error
596 * notification and time out. Possible output states are SI_ST_CLO when
597 * retries are exhausted, SI_ST_TAR when a delay is wanted before a new
598 * connection attempt, SI_ST_ASS when it's wise to retry on the same server,
599 * and SI_ST_REQ when an immediate redispatch is wanted. The buffers are
600 * marked as in error state. It returns 0.
601 */
Simon Hormandec5be42011-06-08 09:19:07 +0900602static int sess_update_st_cer(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100603{
604 /* we probably have to release last session from the server */
Willy Tarreau827aee92011-03-10 16:55:02 +0100605 if (target_srv(&s->target)) {
606 health_adjust(target_srv(&s->target), HANA_STATUS_L4_ERR);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100607
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100608 if (s->flags & SN_CURR_SESS) {
609 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100610 target_srv(&s->target)->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100611 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100612 }
613
614 /* ensure that we have enough retries left */
Willy Tarreauee28de02010-06-01 09:51:00 +0200615 si->conn_retries--;
616 if (si->conn_retries < 0) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100617 if (!si->err_type) {
618 si->err_type = SI_ET_CONN_ERR;
Willy Tarreau827aee92011-03-10 16:55:02 +0100619 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100620 }
621
Willy Tarreau827aee92011-03-10 16:55:02 +0100622 if (target_srv(&s->target))
623 target_srv(&s->target)->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100624 s->be->be_counters.failed_conns++;
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100625 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100626 if (may_dequeue_tasks(target_srv(&s->target), s->be))
627 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100628
629 /* shutw is enough so stop a connecting socket */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200630 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100631 si->ob->flags |= BF_WRITE_ERROR;
632 si->ib->flags |= BF_READ_ERROR;
633
634 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100635 if (s->srv_error)
636 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100637 return 0;
638 }
639
640 /* If the "redispatch" option is set on the backend, we are allowed to
641 * retry on another server for the last retry. In order to achieve this,
642 * we must mark the session unassigned, and eventually clear the DIRECT
643 * bit to ignore any persistence cookie. We won't count a retry nor a
644 * redispatch yet, because this will depend on what server is selected.
645 */
Willy Tarreau827aee92011-03-10 16:55:02 +0100646 if (target_srv(&s->target) && si->conn_retries == 0 &&
Willy Tarreau4de91492010-01-22 19:10:05 +0100647 s->be->options & PR_O_REDISP && !(s->flags & SN_FORCE_PRST)) {
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100648 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100649 if (may_dequeue_tasks(target_srv(&s->target), s->be))
650 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100651
652 s->flags &= ~(SN_DIRECT | SN_ASSIGNED | SN_ADDR_SET);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100653 si->state = SI_ST_REQ;
654 } else {
Willy Tarreau827aee92011-03-10 16:55:02 +0100655 if (target_srv(&s->target))
656 target_srv(&s->target)->counters.retries++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100657 s->be->be_counters.retries++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100658 si->state = SI_ST_ASS;
659 }
660
661 if (si->flags & SI_FL_ERR) {
662 /* The error was an asynchronous connection error, and we will
663 * likely have to retry connecting to the same server, most
664 * likely leading to the same result. To avoid this, we wait
665 * one second before retrying.
666 */
667
668 if (!si->err_type)
669 si->err_type = SI_ET_CONN_ERR;
670
671 si->state = SI_ST_TAR;
672 si->exp = tick_add(now_ms, MS_TO_TICKS(1000));
673 return 0;
674 }
675 return 0;
676}
677
678/*
679 * This function handles the transition between the SI_ST_CON state and the
Willy Tarreau85e7d002010-05-31 11:57:51 +0200680 * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or
Willy Tarreau26d8c592012-05-07 18:12:14 +0200681 * SI_ST_INI) to SI_ST_EST, but only when a ->proto is defined.
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100682 */
Simon Hormandec5be42011-06-08 09:19:07 +0900683static void sess_establish(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100684{
Willy Tarreau7421efb2012-07-02 15:11:27 +0200685 struct channel *req = si->ob;
686 struct channel *rep = si->ib;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100687
Willy Tarreau827aee92011-03-10 16:55:02 +0100688 if (target_srv(&s->target))
689 health_adjust(target_srv(&s->target), HANA_STATUS_L4_OK);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100690
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100691 if (s->be->mode == PR_MODE_TCP) { /* let's allow immediate data connection in this case */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100692 /* if the user wants to log as soon as possible, without counting
693 * bytes from the server, then this is the right moment. */
694 if (s->fe->to_log && !(s->logs.logwait & LW_BYTES)) {
695 s->logs.t_close = s->logs.t_connect; /* to get a valid end date */
Willy Tarreaua5555ec2008-11-30 19:02:32 +0100696 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100697 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100698 }
699 else {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100700 s->txn.rsp.msg_state = HTTP_MSG_RPBEFORE;
701 /* reset hdr_idx which was already initialized by the request.
702 * right now, the http parser does it.
703 * hdr_idx_init(&s->txn.hdr_idx);
704 */
705 }
706
Willy Tarreau4e5b8282009-08-16 22:57:50 +0200707 rep->analysers |= s->fe->fe_rsp_ana | s->be->be_rsp_ana;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100708 rep->flags |= BF_READ_ATTACHED; /* producer is now attached */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200709 if (si_ctrl(si)) {
Willy Tarreaud04e8582010-05-31 12:31:35 +0200710 /* real connections have timeouts */
711 req->wto = s->be->timeout.server;
712 rep->rto = s->be->timeout.server;
713 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100714 req->wex = TICK_ETERNITY;
715}
716
717/* Update stream interface status for input states SI_ST_ASS, SI_ST_QUE, SI_ST_TAR.
718 * Other input states are simply ignored.
719 * Possible output states are SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ, SI_ST_CON.
720 * Flags must have previously been updated for timeouts and other conditions.
721 */
Simon Hormandec5be42011-06-08 09:19:07 +0900722static void sess_update_stream_int(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100723{
Willy Tarreau827aee92011-03-10 16:55:02 +0100724 struct server *srv = target_srv(&s->target);
725
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100726 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 +0100727 now_ms, __FUNCTION__,
728 s,
729 s->req, s->rep,
730 s->req->rex, s->rep->wex,
731 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100732 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 +0100733
734 if (si->state == SI_ST_ASS) {
735 /* Server assigned to connection request, we have to try to connect now */
736 int conn_err;
737
738 conn_err = connect_server(s);
Willy Tarreau827aee92011-03-10 16:55:02 +0100739 srv = target_srv(&s->target);
740
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100741 if (conn_err == SN_ERR_NONE) {
742 /* state = SI_ST_CON now */
Willy Tarreau827aee92011-03-10 16:55:02 +0100743 if (srv)
744 srv_inc_sess_ctr(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100745 return;
746 }
747
748 /* We have received a synchronous error. We might have to
749 * abort, retry immediately or redispatch.
750 */
751 if (conn_err == SN_ERR_INTERNAL) {
752 if (!si->err_type) {
753 si->err_type = SI_ET_CONN_OTHER;
Willy Tarreau827aee92011-03-10 16:55:02 +0100754 si->err_loc = srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100755 }
756
Willy Tarreau827aee92011-03-10 16:55:02 +0100757 if (srv)
758 srv_inc_sess_ctr(srv);
759 if (srv)
760 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100761 s->be->be_counters.failed_conns++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100762
763 /* release other sessions waiting for this server */
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100764 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100765 if (may_dequeue_tasks(srv, s->be))
766 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100767
768 /* Failed and not retryable. */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200769 si_shutr(si);
770 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100771 si->ob->flags |= BF_WRITE_ERROR;
772
773 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
774
775 /* no session was ever accounted for this server */
776 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100777 if (s->srv_error)
778 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100779 return;
780 }
781
782 /* We are facing a retryable error, but we don't want to run a
783 * turn-around now, as the problem is likely a source port
784 * allocation problem, so we want to retry now.
785 */
786 si->state = SI_ST_CER;
787 si->flags &= ~SI_FL_ERR;
788 sess_update_st_cer(s, si);
789 /* now si->state is one of SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ */
790 return;
791 }
792 else if (si->state == SI_ST_QUE) {
793 /* connection request was queued, check for any update */
794 if (!s->pend_pos) {
795 /* The connection is not in the queue anymore. Either
796 * we have a server connection slot available and we
797 * go directly to the assigned state, or we need to
798 * load-balance first and go to the INI state.
799 */
800 si->exp = TICK_ETERNITY;
801 if (unlikely(!(s->flags & SN_ASSIGNED)))
802 si->state = SI_ST_REQ;
803 else {
804 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
805 si->state = SI_ST_ASS;
806 }
807 return;
808 }
809
810 /* Connection request still in queue... */
811 if (si->flags & SI_FL_EXP) {
812 /* ... and timeout expired */
813 si->exp = TICK_ETERNITY;
814 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau827aee92011-03-10 16:55:02 +0100815 if (srv)
816 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100817 s->be->be_counters.failed_conns++;
Willy Tarreau73b013b2012-05-21 16:31:45 +0200818 si_shutr(si);
819 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100820 si->ob->flags |= BF_WRITE_TIMEOUT;
821 if (!si->err_type)
822 si->err_type = SI_ET_QUEUE_TO;
823 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100824 if (s->srv_error)
825 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100826 return;
827 }
828
829 /* Connection remains in queue, check if we have to abort it */
Willy Tarreau418fd472009-09-06 21:37:23 +0200830 if ((si->ob->flags & (BF_READ_ERROR)) ||
831 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreau8e21bb92012-08-24 22:40:29 +0200832 (channel_is_empty(si->ob) || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100833 /* give up */
834 si->exp = TICK_ETERNITY;
835 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau73b013b2012-05-21 16:31:45 +0200836 si_shutr(si);
837 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100838 si->err_type |= SI_ET_QUEUE_ABRT;
839 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100840 if (s->srv_error)
841 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100842 return;
843 }
844
845 /* Nothing changed */
846 return;
847 }
848 else if (si->state == SI_ST_TAR) {
849 /* Connection request might be aborted */
Willy Tarreau418fd472009-09-06 21:37:23 +0200850 if ((si->ob->flags & (BF_READ_ERROR)) ||
851 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreau8e21bb92012-08-24 22:40:29 +0200852 (channel_is_empty(si->ob) || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100853 /* give up */
854 si->exp = TICK_ETERNITY;
Willy Tarreau73b013b2012-05-21 16:31:45 +0200855 si_shutr(si);
856 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100857 si->err_type |= SI_ET_CONN_ABRT;
858 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100859 if (s->srv_error)
860 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100861 return;
862 }
863
864 if (!(si->flags & SI_FL_EXP))
865 return; /* still in turn-around */
866
867 si->exp = TICK_ETERNITY;
868
869 /* we keep trying on the same server as long as the session is
870 * marked "assigned".
871 * FIXME: Should we force a redispatch attempt when the server is down ?
872 */
873 if (s->flags & SN_ASSIGNED)
874 si->state = SI_ST_ASS;
875 else
876 si->state = SI_ST_REQ;
877 return;
878 }
879}
880
Simon Hormandec5be42011-06-08 09:19:07 +0900881/* Set correct session termination flags in case no analyser has done it. It
882 * also counts a failed request if the server state has not reached the request
883 * stage.
884 */
885static void sess_set_term_flags(struct session *s)
886{
887 if (!(s->flags & SN_FINST_MASK)) {
888 if (s->si[1].state < SI_ST_REQ) {
889
890 s->fe->fe_counters.failed_req++;
891 if (s->listener->counters)
892 s->listener->counters->failed_req++;
893
894 s->flags |= SN_FINST_R;
895 }
896 else if (s->si[1].state == SI_ST_QUE)
897 s->flags |= SN_FINST_Q;
898 else if (s->si[1].state < SI_ST_EST)
899 s->flags |= SN_FINST_C;
900 else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST)
901 s->flags |= SN_FINST_D;
902 else
903 s->flags |= SN_FINST_L;
904 }
905}
906
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100907/* This function initiates a server connection request on a stream interface
908 * already in SI_ST_REQ state. Upon success, the state goes to SI_ST_ASS,
909 * indicating that a server has been assigned. It may also return SI_ST_QUE,
910 * or SI_ST_CLO upon error.
911 */
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100912static void sess_prepare_conn_req(struct session *s, struct stream_interface *si)
913{
914 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 +0100915 now_ms, __FUNCTION__,
916 s,
917 s->req, s->rep,
918 s->req->rex, s->rep->wex,
919 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100920 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 +0100921
922 if (si->state != SI_ST_REQ)
923 return;
924
925 /* Try to assign a server */
926 if (srv_redispatch_connect(s) != 0) {
927 /* We did not get a server. Either we queued the
928 * connection request, or we encountered an error.
929 */
930 if (si->state == SI_ST_QUE)
931 return;
932
933 /* we did not get any server, let's check the cause */
Willy Tarreau73b013b2012-05-21 16:31:45 +0200934 si_shutr(si);
935 si_shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100936 si->ob->flags |= BF_WRITE_ERROR;
937 if (!si->err_type)
938 si->err_type = SI_ET_CONN_OTHER;
939 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100940 if (s->srv_error)
941 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100942 return;
943 }
944
945 /* The server is assigned */
946 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
947 si->state = SI_ST_ASS;
948}
949
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200950/* This stream analyser checks the switching rules and changes the backend
Willy Tarreau4de91492010-01-22 19:10:05 +0100951 * if appropriate. The default_backend rule is also considered, then the
952 * target backend's forced persistence rules are also evaluated last if any.
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200953 * It returns 1 if the processing can continue on next analysers, or zero if it
954 * either needs more data or wants to immediately abort the request.
955 */
Willy Tarreau7421efb2012-07-02 15:11:27 +0200956static int process_switching_rules(struct session *s, struct channel *req, int an_bit)
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200957{
Cyril Bonté47fdd8e2010-04-25 00:00:51 +0200958 struct persist_rule *prst_rule;
Willy Tarreau4de91492010-01-22 19:10:05 +0100959
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200960 req->analysers &= ~an_bit;
961 req->analyse_exp = TICK_ETERNITY;
962
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100963 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 +0200964 now_ms, __FUNCTION__,
965 s,
966 req,
967 req->rex, req->wex,
968 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100969 req->i,
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200970 req->analysers);
971
972 /* now check whether we have some switching rules for this request */
973 if (!(s->flags & SN_BE_ASSIGNED)) {
974 struct switching_rule *rule;
975
976 list_for_each_entry(rule, &s->fe->switching_rules, list) {
977 int ret;
978
Willy Tarreau32a6f2e2012-04-25 10:13:36 +0200979 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 +0200980 ret = acl_pass(ret);
981 if (rule->cond->pol == ACL_COND_UNLESS)
982 ret = !ret;
983
984 if (ret) {
Willy Tarreaubedb9ba2009-07-12 08:27:39 +0200985 if (!session_set_backend(s, rule->be.backend))
986 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200987 break;
988 }
989 }
990
991 /* To ensure correct connection accounting on the backend, we
992 * have to assign one if it was not set (eg: a listen). This
993 * measure also takes care of correctly setting the default
994 * backend if any.
995 */
996 if (!(s->flags & SN_BE_ASSIGNED))
Willy Tarreaubedb9ba2009-07-12 08:27:39 +0200997 if (!session_set_backend(s, s->fe->defbe.be ? s->fe->defbe.be : s->be))
998 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200999 }
1000
Willy Tarreaufb356202010-08-03 14:02:05 +02001001 /* we don't want to run the TCP or HTTP filters again if the backend has not changed */
1002 if (s->fe == s->be) {
1003 s->req->analysers &= ~AN_REQ_INSPECT_BE;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001004 s->req->analysers &= ~AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaufb356202010-08-03 14:02:05 +02001005 }
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001006
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001007 /* 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 +01001008 * persistence rule, and report that in the session.
1009 */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001010 list_for_each_entry(prst_rule, &s->be->persist_rules, list) {
Willy Tarreau4de91492010-01-22 19:10:05 +01001011 int ret = 1;
1012
1013 if (prst_rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001014 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 +01001015 ret = acl_pass(ret);
1016 if (prst_rule->cond->pol == ACL_COND_UNLESS)
1017 ret = !ret;
1018 }
1019
1020 if (ret) {
1021 /* no rule, or the rule matches */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001022 if (prst_rule->type == PERSIST_TYPE_FORCE) {
1023 s->flags |= SN_FORCE_PRST;
1024 } else {
1025 s->flags |= SN_IGNORE_PRST;
1026 }
Willy Tarreau4de91492010-01-22 19:10:05 +01001027 break;
1028 }
1029 }
1030
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001031 return 1;
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001032
1033 sw_failed:
1034 /* immediately abort this request in case of allocation failure */
1035 buffer_abort(s->req);
1036 buffer_abort(s->rep);
1037
1038 if (!(s->flags & SN_ERR_MASK))
1039 s->flags |= SN_ERR_RESOURCE;
1040 if (!(s->flags & SN_FINST_MASK))
1041 s->flags |= SN_FINST_R;
1042
1043 s->txn.status = 500;
1044 s->req->analysers = 0;
1045 s->req->analyse_exp = TICK_ETERNITY;
1046 return 0;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001047}
1048
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001049/* This stream analyser works on a request. It applies all use-server rules on
1050 * it then returns 1. The data must already be present in the buffer otherwise
1051 * they won't match. It always returns 1.
1052 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001053static int process_server_rules(struct session *s, struct channel *req, int an_bit)
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001054{
1055 struct proxy *px = s->be;
1056 struct server_rule *rule;
1057
1058 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bl=%d analysers=%02x\n",
1059 now_ms, __FUNCTION__,
1060 s,
1061 req,
1062 req->rex, req->wex,
1063 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001064 req->i + req->o,
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001065 req->analysers);
1066
1067 if (!(s->flags & SN_ASSIGNED)) {
1068 list_for_each_entry(rule, &px->server_rules, list) {
1069 int ret;
1070
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001071 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 +02001072 ret = acl_pass(ret);
1073 if (rule->cond->pol == ACL_COND_UNLESS)
1074 ret = !ret;
1075
1076 if (ret) {
1077 struct server *srv = rule->srv.ptr;
1078
1079 if ((srv->state & SRV_RUNNING) ||
1080 (px->options & PR_O_PERSIST) ||
1081 (s->flags & SN_FORCE_PRST)) {
1082 s->flags |= SN_DIRECT | SN_ASSIGNED;
1083 set_target_server(&s->target, srv);
1084 break;
1085 }
1086 /* if the server is not UP, let's go on with next rules
1087 * just in case another one is suited.
1088 */
1089 }
1090 }
1091 }
1092
1093 req->analysers &= ~an_bit;
1094 req->analyse_exp = TICK_ETERNITY;
1095 return 1;
1096}
1097
Emeric Brun1d33b292010-01-04 15:47:17 +01001098/* This stream analyser works on a request. It applies all sticking rules on
1099 * it then returns 1. The data must already be present in the buffer otherwise
1100 * they won't match. It always returns 1.
1101 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001102static int process_sticking_rules(struct session *s, struct channel *req, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001103{
1104 struct proxy *px = s->be;
1105 struct sticking_rule *rule;
1106
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001107 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 +01001108 now_ms, __FUNCTION__,
1109 s,
1110 req,
1111 req->rex, req->wex,
1112 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001113 req->i,
Emeric Brun1d33b292010-01-04 15:47:17 +01001114 req->analysers);
1115
1116 list_for_each_entry(rule, &px->sticking_rules, list) {
1117 int ret = 1 ;
1118 int i;
1119
1120 for (i = 0; i < s->store_count; i++) {
1121 if (rule->table.t == s->store[i].table)
1122 break;
1123 }
1124
1125 if (i != s->store_count)
1126 continue;
1127
1128 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001129 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001130 ret = acl_pass(ret);
1131 if (rule->cond->pol == ACL_COND_UNLESS)
1132 ret = !ret;
1133 }
1134
1135 if (ret) {
1136 struct stktable_key *key;
1137
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001138 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 +01001139 if (!key)
1140 continue;
1141
1142 if (rule->flags & STK_IS_MATCH) {
1143 struct stksess *ts;
1144
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001145 if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001146 if (!(s->flags & SN_ASSIGNED)) {
1147 struct eb32_node *node;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001148 void *ptr;
Emeric Brun1d33b292010-01-04 15:47:17 +01001149
1150 /* srv found in table */
Willy Tarreau13c29de2010-06-06 16:40:39 +02001151 ptr = stktable_data_ptr(rule->table.t, ts, STKTABLE_DT_SERVER_ID);
1152 node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id));
Emeric Brun1d33b292010-01-04 15:47:17 +01001153 if (node) {
1154 struct server *srv;
1155
1156 srv = container_of(node, struct server, conf.id);
Willy Tarreau4de91492010-01-22 19:10:05 +01001157 if ((srv->state & SRV_RUNNING) ||
1158 (px->options & PR_O_PERSIST) ||
1159 (s->flags & SN_FORCE_PRST)) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001160 s->flags |= SN_DIRECT | SN_ASSIGNED;
Willy Tarreau9e000c62011-03-10 14:03:36 +01001161 set_target_server(&s->target, srv);
Emeric Brun1d33b292010-01-04 15:47:17 +01001162 }
1163 }
1164 }
Emeric Brun85e77c72010-09-23 18:16:52 +02001165 stktable_touch(rule->table.t, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001166 }
1167 }
1168 if (rule->flags & STK_IS_STORE) {
1169 if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1170 struct stksess *ts;
1171
1172 ts = stksess_new(rule->table.t, key);
1173 if (ts) {
1174 s->store[s->store_count].table = rule->table.t;
1175 s->store[s->store_count++].ts = ts;
1176 }
1177 }
1178 }
1179 }
1180 }
1181
1182 req->analysers &= ~an_bit;
1183 req->analyse_exp = TICK_ETERNITY;
1184 return 1;
1185}
1186
1187/* This stream analyser works on a response. It applies all store rules on it
1188 * then returns 1. The data must already be present in the buffer otherwise
1189 * they won't match. It always returns 1.
1190 */
Willy Tarreau7421efb2012-07-02 15:11:27 +02001191static int process_store_rules(struct session *s, struct channel *rep, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001192{
1193 struct proxy *px = s->be;
1194 struct sticking_rule *rule;
1195 int i;
1196
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001197 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 +01001198 now_ms, __FUNCTION__,
1199 s,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001200 rep,
1201 rep->rex, rep->wex,
1202 rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001203 rep->i,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001204 rep->analysers);
Emeric Brun1d33b292010-01-04 15:47:17 +01001205
1206 list_for_each_entry(rule, &px->storersp_rules, list) {
1207 int ret = 1 ;
1208 int storereqidx = -1;
1209
1210 for (i = 0; i < s->store_count; i++) {
1211 if (rule->table.t == s->store[i].table) {
1212 if (!(s->store[i].flags))
1213 storereqidx = i;
1214 break;
1215 }
1216 }
1217
1218 if ((i != s->store_count) && (storereqidx == -1))
1219 continue;
1220
1221 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001222 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001223 ret = acl_pass(ret);
1224 if (rule->cond->pol == ACL_COND_UNLESS)
1225 ret = !ret;
1226 }
1227
1228 if (ret) {
1229 struct stktable_key *key;
1230
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001231 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 +01001232 if (!key)
1233 continue;
1234
1235 if (storereqidx != -1) {
Willy Tarreau393379c2010-06-06 12:11:37 +02001236 stksess_setkey(s->store[storereqidx].table, s->store[storereqidx].ts, key);
Emeric Brun1d33b292010-01-04 15:47:17 +01001237 s->store[storereqidx].flags = 1;
1238 }
1239 else if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1240 struct stksess *ts;
1241
1242 ts = stksess_new(rule->table.t, key);
1243 if (ts) {
1244 s->store[s->store_count].table = rule->table.t;
1245 s->store[s->store_count].flags = 1;
1246 s->store[s->store_count++].ts = ts;
1247 }
1248 }
1249 }
1250 }
1251
1252 /* process store request and store response */
1253 for (i = 0; i < s->store_count; i++) {
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001254 struct stksess *ts;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001255 void *ptr;
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001256
Simon Hormanfa461682011-06-25 09:39:49 +09001257 if (target_srv(&s->target) && target_srv(&s->target)->state & SRV_NON_STICK) {
1258 stksess_free(s->store[i].table, s->store[i].ts);
1259 s->store[i].ts = NULL;
1260 continue;
1261 }
1262
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001263 ts = stktable_lookup(s->store[i].table, s->store[i].ts);
1264 if (ts) {
1265 /* the entry already existed, we can free ours */
Emeric Brun85e77c72010-09-23 18:16:52 +02001266 stktable_touch(s->store[i].table, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001267 stksess_free(s->store[i].table, s->store[i].ts);
Emeric Brun1d33b292010-01-04 15:47:17 +01001268 }
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001269 else
Emeric Brun85e77c72010-09-23 18:16:52 +02001270 ts = stktable_store(s->store[i].table, s->store[i].ts, 1);
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001271
1272 s->store[i].ts = NULL;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001273 ptr = stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_ID);
Willy Tarreau827aee92011-03-10 16:55:02 +01001274 stktable_data_cast(ptr, server_id) = target_srv(&s->target)->puid;
Emeric Brun1d33b292010-01-04 15:47:17 +01001275 }
Willy Tarreau2a164ee2010-06-18 09:57:45 +02001276 s->store_count = 0; /* everything is stored */
Emeric Brun1d33b292010-01-04 15:47:17 +01001277
1278 rep->analysers &= ~an_bit;
1279 rep->analyse_exp = TICK_ETERNITY;
1280 return 1;
1281}
1282
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001283/* This macro is very specific to the function below. See the comments in
1284 * process_session() below to understand the logic and the tests.
1285 */
1286#define UPDATE_ANALYSERS(real, list, back, flag) { \
1287 list = (((list) & ~(flag)) | ~(back)) & (real); \
1288 back = real; \
1289 if (!(list)) \
1290 break; \
1291 if (((list) ^ ((list) & ((list) - 1))) < (flag)) \
1292 continue; \
1293}
1294
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001295/* Processes the client, server, request and response jobs of a session task,
1296 * then puts it back to the wait queue in a clean state, or cleans up its
1297 * resources if it must be deleted. Returns in <next> the date the task wants
1298 * to be woken up, or TICK_ETERNITY. In order not to call all functions for
1299 * nothing too many times, the request and response buffers flags are monitored
1300 * and each function is called only if at least another function has changed at
1301 * least one flag it is interested in.
1302 */
Willy Tarreau26c25062009-03-08 09:38:41 +01001303struct task *process_session(struct task *t)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001304{
Willy Tarreau827aee92011-03-10 16:55:02 +01001305 struct server *srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001306 struct session *s = t->context;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001307 unsigned int rqf_last, rpf_last;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001308 unsigned int rq_prod_last, rq_cons_last;
1309 unsigned int rp_cons_last, rp_prod_last;
Willy Tarreau576507f2010-01-07 00:09:04 +01001310 unsigned int req_ana_back;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001311
1312 //DPRINTF(stderr, "%s:%d: cs=%d ss=%d(%d) rqf=0x%08x rpf=0x%08x\n", __FUNCTION__, __LINE__,
1313 // s->si[0].state, s->si[1].state, s->si[1].err_type, s->req->flags, s->rep->flags);
1314
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01001315 /* this data may be no longer valid, clear it */
1316 memset(&s->txn.auth, 0, sizeof(s->txn.auth));
1317
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001318 /* This flag must explicitly be set every time */
1319 s->req->flags &= ~BF_READ_NOEXP;
1320
1321 /* Keep a copy of req/rep flags so that we can detect shutdowns */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001322 rqf_last = s->req->flags & ~BF_MASK_ANALYSER;
1323 rpf_last = s->rep->flags & ~BF_MASK_ANALYSER;
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001324
Willy Tarreau89f7ef22009-09-05 20:57:35 +02001325 /* we don't want the stream interface functions to recursively wake us up */
1326 if (s->req->prod->owner == t)
1327 s->req->prod->flags |= SI_FL_DONT_WAKE;
1328 if (s->req->cons->owner == t)
1329 s->req->cons->flags |= SI_FL_DONT_WAKE;
1330
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001331 /* 1a: Check for low level timeouts if needed. We just set a flag on
1332 * stream interfaces when their timeouts have expired.
1333 */
1334 if (unlikely(t->state & TASK_WOKEN_TIMER)) {
1335 stream_int_check_timeouts(&s->si[0]);
1336 stream_int_check_timeouts(&s->si[1]);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001337
1338 /* check buffer timeouts, and close the corresponding stream interfaces
1339 * for future reads or writes. Note: this will also concern upper layers
1340 * but we do not touch any other flag. We must be careful and correctly
1341 * detect state changes when calling them.
1342 */
1343
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001344 buffer_check_timeouts(s->req);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001345
Willy Tarreau14641402009-12-29 14:49:56 +01001346 if (unlikely((s->req->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1347 s->req->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001348 si_shutw(s->req->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001349 }
1350
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001351 if (unlikely((s->req->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT)) {
1352 if (s->req->prod->flags & SI_FL_NOHALF)
1353 s->req->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001354 si_shutr(s->req->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001355 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001356
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001357 buffer_check_timeouts(s->rep);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001358
Willy Tarreau14641402009-12-29 14:49:56 +01001359 if (unlikely((s->rep->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1360 s->rep->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001361 si_shutw(s->rep->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001362 }
1363
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001364 if (unlikely((s->rep->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT)) {
1365 if (s->rep->prod->flags & SI_FL_NOHALF)
1366 s->rep->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02001367 si_shutr(s->rep->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001368 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001369 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001370
1371 /* 1b: check for low-level errors reported at the stream interface.
1372 * First we check if it's a retryable error (in which case we don't
1373 * want to tell the buffer). Otherwise we report the error one level
1374 * upper by setting flags into the buffers. Note that the side towards
1375 * the client cannot have connect (hence retryable) errors. Also, the
1376 * connection setup code must be able to deal with any type of abort.
1377 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001378 srv = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001379 if (unlikely(s->si[0].flags & SI_FL_ERR)) {
1380 if (s->si[0].state == SI_ST_EST || s->si[0].state == SI_ST_DIS) {
Willy Tarreau73b013b2012-05-21 16:31:45 +02001381 si_shutr(&s->si[0]);
1382 si_shutw(&s->si[0]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001383 stream_int_report_error(&s->si[0]);
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001384 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001385 s->be->be_counters.cli_aborts++;
1386 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001387 if (srv)
1388 srv->counters.cli_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001389 if (!(s->flags & SN_ERR_MASK))
1390 s->flags |= SN_ERR_CLICL;
1391 if (!(s->flags & SN_FINST_MASK))
1392 s->flags |= SN_FINST_D;
1393 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001394 }
1395 }
1396
1397 if (unlikely(s->si[1].flags & SI_FL_ERR)) {
1398 if (s->si[1].state == SI_ST_EST || s->si[1].state == SI_ST_DIS) {
Willy Tarreau73b013b2012-05-21 16:31:45 +02001399 si_shutr(&s->si[1]);
1400 si_shutw(&s->si[1]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001401 stream_int_report_error(&s->si[1]);
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001402 s->be->be_counters.failed_resp++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001403 if (srv)
1404 srv->counters.failed_resp++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001405 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001406 s->be->be_counters.srv_aborts++;
1407 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001408 if (srv)
1409 srv->counters.srv_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001410 if (!(s->flags & SN_ERR_MASK))
1411 s->flags |= SN_ERR_SRVCL;
1412 if (!(s->flags & SN_FINST_MASK))
1413 s->flags |= SN_FINST_D;
1414 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001415 }
1416 /* note: maybe we should process connection errors here ? */
1417 }
1418
1419 if (s->si[1].state == SI_ST_CON) {
1420 /* we were trying to establish a connection on the server side,
1421 * maybe it succeeded, maybe it failed, maybe we timed out, ...
1422 */
1423 if (unlikely(!sess_update_st_con_tcp(s, &s->si[1])))
1424 sess_update_st_cer(s, &s->si[1]);
1425 else if (s->si[1].state == SI_ST_EST)
1426 sess_establish(s, &s->si[1]);
1427
1428 /* state is now one of SI_ST_CON (still in progress), SI_ST_EST
1429 * (established), SI_ST_DIS (abort), SI_ST_CLO (last error),
1430 * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors.
1431 */
1432 }
1433
Willy Tarreau815a9b22010-07-27 17:15:12 +02001434 rq_prod_last = s->si[0].state;
1435 rq_cons_last = s->si[1].state;
1436 rp_cons_last = s->si[0].state;
1437 rp_prod_last = s->si[1].state;
1438
1439 resync_stream_interface:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001440 /* Check for connection closure */
1441
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001442 DPRINTF(stderr,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001443 "[%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 +01001444 now_ms, __FUNCTION__, __LINE__,
1445 t,
1446 s, s->flags,
1447 s->req, s->rep,
1448 s->req->rex, s->rep->wex,
1449 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001450 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 +01001451 s->rep->cons->err_type, s->req->cons->err_type,
Willy Tarreauee28de02010-06-01 09:51:00 +02001452 s->req->cons->conn_retries);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001453
1454 /* nothing special to be done on client side */
1455 if (unlikely(s->req->prod->state == SI_ST_DIS))
1456 s->req->prod->state = SI_ST_CLO;
1457
1458 /* When a server-side connection is released, we have to count it and
1459 * check for pending connections on this server.
1460 */
1461 if (unlikely(s->req->cons->state == SI_ST_DIS)) {
1462 s->req->cons->state = SI_ST_CLO;
Willy Tarreau827aee92011-03-10 16:55:02 +01001463 srv = target_srv(&s->target);
1464 if (srv) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001465 if (s->flags & SN_CURR_SESS) {
1466 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +01001467 srv->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001468 }
1469 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +01001470 if (may_dequeue_tasks(srv, s->be))
1471 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001472 }
1473 }
1474
1475 /*
1476 * Note: of the transient states (REQ, CER, DIS), only REQ may remain
1477 * at this point.
1478 */
1479
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001480 resync_request:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001481 /* Analyse request */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001482 if (((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001483 ((s->req->flags ^ rqf_last) & BF_MASK_STATIC) ||
1484 s->si[0].state != rq_prod_last ||
1485 s->si[1].state != rq_cons_last) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001486 unsigned int flags = s->req->flags;
1487
1488 if (s->req->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001489 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001490 unsigned int ana_list;
1491 unsigned int ana_back;
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001492
Willy Tarreau90deb182010-01-07 00:20:41 +01001493 /* it's up to the analysers to stop new connections,
1494 * disable reading or closing. Note: if an analyser
1495 * disables any of these bits, it is responsible for
1496 * enabling them again when it disables itself, so
1497 * that other analysers are called in similar conditions.
1498 */
1499 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001500 buffer_auto_connect(s->req);
1501 buffer_auto_close(s->req);
Willy Tarreauedcf6682008-11-30 23:15:34 +01001502
1503 /* We will call all analysers for which a bit is set in
1504 * s->req->analysers, following the bit order from LSB
1505 * to MSB. The analysers must remove themselves from
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001506 * the list when not needed. Any analyser may return 0
1507 * to break out of the loop, either because of missing
1508 * data to take a decision, or because it decides to
1509 * kill the session. We loop at least once through each
1510 * analyser, and we may loop again if other analysers
1511 * are added in the middle.
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001512 *
1513 * We build a list of analysers to run. We evaluate all
1514 * of these analysers in the order of the lower bit to
1515 * the higher bit. This ordering is very important.
1516 * An analyser will often add/remove other analysers,
1517 * including itself. Any changes to itself have no effect
1518 * on the loop. If it removes any other analysers, we
1519 * want those analysers not to be called anymore during
1520 * this loop. If it adds an analyser that is located
1521 * after itself, we want it to be scheduled for being
1522 * processed during the loop. If it adds an analyser
1523 * which is located before it, we want it to switch to
1524 * it immediately, even if it has already been called
1525 * once but removed since.
1526 *
1527 * In order to achieve this, we compare the analyser
1528 * list after the call with a copy of it before the
1529 * call. The work list is fed with analyser bits that
1530 * appeared during the call. Then we compare previous
1531 * work list with the new one, and check the bits that
1532 * appeared. If the lowest of these bits is lower than
1533 * the current bit, it means we have enabled a previous
1534 * analyser and must immediately loop again.
Willy Tarreauedcf6682008-11-30 23:15:34 +01001535 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001536
1537 ana_list = ana_back = s->req->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001538 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001539 /* Warning! ensure that analysers are always placed in ascending order! */
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001540
Willy Tarreau3041b9f2010-10-15 23:25:20 +02001541 if (ana_list & AN_REQ_DECODE_PROXY) {
1542 if (!frontend_decode_proxy_request(s, s->req, AN_REQ_DECODE_PROXY))
1543 break;
1544 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_DECODE_PROXY);
1545 }
1546
Willy Tarreaufb356202010-08-03 14:02:05 +02001547 if (ana_list & AN_REQ_INSPECT_FE) {
1548 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_FE))
Willy Tarreauedcf6682008-11-30 23:15:34 +01001549 break;
Willy Tarreaufb356202010-08-03 14:02:05 +02001550 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_FE);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001551 }
Willy Tarreauedcf6682008-11-30 23:15:34 +01001552
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001553 if (ana_list & AN_REQ_WAIT_HTTP) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001554 if (!http_wait_for_request(s, s->req, AN_REQ_WAIT_HTTP))
Willy Tarreaud787e662009-07-07 10:14:51 +02001555 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001556 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_WAIT_HTTP);
Willy Tarreaud787e662009-07-07 10:14:51 +02001557 }
1558
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001559 if (ana_list & AN_REQ_HTTP_PROCESS_FE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001560 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_FE, s->fe))
1561 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001562 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001563 }
1564
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001565 if (ana_list & AN_REQ_SWITCHING_RULES) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001566 if (!process_switching_rules(s, s->req, AN_REQ_SWITCHING_RULES))
1567 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001568 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SWITCHING_RULES);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001569 }
1570
Willy Tarreaufb356202010-08-03 14:02:05 +02001571 if (ana_list & AN_REQ_INSPECT_BE) {
1572 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_BE))
1573 break;
1574 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_BE);
1575 }
1576
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001577 if (ana_list & AN_REQ_HTTP_PROCESS_BE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001578 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_BE, s->be))
1579 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001580 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001581 }
1582
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001583 if (ana_list & AN_REQ_HTTP_TARPIT) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001584 if (!http_process_tarpit(s, s->req, AN_REQ_HTTP_TARPIT))
Willy Tarreau60b85b02008-11-30 23:28:40 +01001585 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001586 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_TARPIT);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001587 }
Willy Tarreau60b85b02008-11-30 23:28:40 +01001588
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001589 if (ana_list & AN_REQ_SRV_RULES) {
1590 if (!process_server_rules(s, s->req, AN_REQ_SRV_RULES))
1591 break;
1592 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SRV_RULES);
1593 }
1594
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001595 if (ana_list & AN_REQ_HTTP_INNER) {
Willy Tarreauc465fd72009-08-31 00:17:18 +02001596 if (!http_process_request(s, s->req, AN_REQ_HTTP_INNER))
1597 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001598 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_INNER);
Willy Tarreauc465fd72009-08-31 00:17:18 +02001599 }
1600
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001601 if (ana_list & AN_REQ_HTTP_BODY) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001602 if (!http_process_request_body(s, s->req, AN_REQ_HTTP_BODY))
Willy Tarreaud34af782008-11-30 23:36:37 +01001603 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001604 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_BODY);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001605 }
Emeric Brun647caf12009-06-30 17:57:00 +02001606
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001607 if (ana_list & AN_REQ_PRST_RDP_COOKIE) {
Emeric Brun647caf12009-06-30 17:57:00 +02001608 if (!tcp_persist_rdp_cookie(s, s->req, AN_REQ_PRST_RDP_COOKIE))
1609 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001610 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE);
Emeric Brun647caf12009-06-30 17:57:00 +02001611 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001612
Emeric Brun1d33b292010-01-04 15:47:17 +01001613 if (ana_list & AN_REQ_STICKING_RULES) {
1614 if (!process_sticking_rules(s, s->req, AN_REQ_STICKING_RULES))
1615 break;
1616 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_STICKING_RULES);
1617 }
1618
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001619 if (ana_list & AN_REQ_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001620 if (!http_request_forward_body(s, s->req, AN_REQ_HTTP_XFER_BODY))
1621 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001622 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001623 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001624 break;
1625 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001626 }
Willy Tarreau84455332009-03-15 22:34:05 +01001627
Willy Tarreau815a9b22010-07-27 17:15:12 +02001628 rq_prod_last = s->si[0].state;
1629 rq_cons_last = s->si[1].state;
Willy Tarreau0499e352010-12-17 07:13:42 +01001630 s->req->flags &= ~BF_WAKE_ONCE;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001631 rqf_last = s->req->flags;
1632
1633 if ((s->req->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001634 goto resync_request;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001635 }
1636
Willy Tarreau576507f2010-01-07 00:09:04 +01001637 /* we'll monitor the request analysers while parsing the response,
1638 * because some response analysers may indirectly enable new request
1639 * analysers (eg: HTTP keep-alive).
1640 */
1641 req_ana_back = s->req->analysers;
1642
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001643 resync_response:
1644 /* Analyse response */
1645
1646 if (unlikely(s->rep->flags & BF_HIJACK)) {
1647 /* In inject mode, we wake up everytime something has
1648 * happened on the write side of the buffer.
1649 */
1650 unsigned int flags = s->rep->flags;
1651
1652 if ((s->rep->flags & (BF_WRITE_PARTIAL|BF_WRITE_ERROR|BF_SHUTW)) &&
1653 !(s->rep->flags & BF_FULL)) {
1654 s->rep->hijacker(s, s->rep);
1655 }
1656
1657 if ((s->rep->flags ^ flags) & BF_MASK_STATIC) {
1658 rpf_last = s->rep->flags;
1659 goto resync_response;
1660 }
1661 }
Willy Tarreau2f976e12010-11-11 14:28:47 +01001662 else if (((s->rep->flags & ~rpf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001663 (s->rep->flags ^ rpf_last) & BF_MASK_STATIC ||
1664 s->si[0].state != rp_cons_last ||
1665 s->si[1].state != rp_prod_last) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001666 unsigned int flags = s->rep->flags;
1667
Willy Tarreau0499e352010-12-17 07:13:42 +01001668 if ((s->rep->flags & BF_MASK_ANALYSER) &&
1669 (s->rep->analysers & AN_REQ_WAIT_HTTP)) {
1670 /* Due to HTTP pipelining, the HTTP request analyser might be waiting
1671 * for some free space in the response buffer, so we might need to call
1672 * it when something changes in the response buffer, but still we pass
1673 * it the request buffer. Note that the SI state might very well still
1674 * be zero due to us returning a flow of redirects!
1675 */
1676 s->rep->analysers &= ~AN_REQ_WAIT_HTTP;
1677 s->req->flags |= BF_WAKE_ONCE;
1678 }
1679
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001680 if (s->rep->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001681 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001682 unsigned int ana_list;
1683 unsigned int ana_back;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001684
Willy Tarreau90deb182010-01-07 00:20:41 +01001685 /* it's up to the analysers to stop disable reading or
1686 * closing. Note: if an analyser disables any of these
1687 * bits, it is responsible for enabling them again when
1688 * it disables itself, so that other analysers are called
1689 * in similar conditions.
1690 */
1691 buffer_auto_read(s->rep);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001692 buffer_auto_close(s->rep);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001693
1694 /* We will call all analysers for which a bit is set in
1695 * s->rep->analysers, following the bit order from LSB
1696 * to MSB. The analysers must remove themselves from
1697 * the list when not needed. Any analyser may return 0
1698 * to break out of the loop, either because of missing
1699 * data to take a decision, or because it decides to
1700 * kill the session. We loop at least once through each
1701 * analyser, and we may loop again if other analysers
1702 * are added in the middle.
1703 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001704
1705 ana_list = ana_back = s->rep->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001706 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001707 /* Warning! ensure that analysers are always placed in ascending order! */
1708
Emeric Brun97679e72010-09-23 17:56:44 +02001709 if (ana_list & AN_RES_INSPECT) {
1710 if (!tcp_inspect_response(s, s->rep, AN_RES_INSPECT))
1711 break;
1712 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_INSPECT);
1713 }
1714
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001715 if (ana_list & AN_RES_WAIT_HTTP) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001716 if (!http_wait_for_response(s, s->rep, AN_RES_WAIT_HTTP))
1717 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001718 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_WAIT_HTTP);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001719 }
1720
Emeric Brun1d33b292010-01-04 15:47:17 +01001721 if (ana_list & AN_RES_STORE_RULES) {
1722 if (!process_store_rules(s, s->rep, AN_RES_STORE_RULES))
1723 break;
1724 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_STORE_RULES);
1725 }
1726
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001727 if (ana_list & AN_RES_HTTP_PROCESS_BE) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001728 if (!http_process_res_common(s, s->rep, AN_RES_HTTP_PROCESS_BE, s->be))
1729 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001730 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001731 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001732
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001733 if (ana_list & AN_RES_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001734 if (!http_response_forward_body(s, s->rep, AN_RES_HTTP_XFER_BODY))
1735 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001736 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001737 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001738 break;
1739 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001740 }
1741
Willy Tarreau815a9b22010-07-27 17:15:12 +02001742 rp_cons_last = s->si[0].state;
1743 rp_prod_last = s->si[1].state;
1744 rpf_last = s->rep->flags;
1745
1746 if ((s->rep->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001747 goto resync_response;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001748 }
1749
Willy Tarreau576507f2010-01-07 00:09:04 +01001750 /* maybe someone has added some request analysers, so we must check and loop */
1751 if (s->req->analysers & ~req_ana_back)
1752 goto resync_request;
1753
Willy Tarreau0499e352010-12-17 07:13:42 +01001754 if ((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER)
1755 goto resync_request;
1756
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001757 /* FIXME: here we should call protocol handlers which rely on
1758 * both buffers.
1759 */
1760
1761
1762 /*
Willy Tarreauae526782010-03-04 20:34:23 +01001763 * Now we propagate unhandled errors to the session. Normally
1764 * we're just in a data phase here since it means we have not
1765 * seen any analyser who could set an error status.
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001766 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001767 srv = target_srv(&s->target);
Willy Tarreau2f976e12010-11-11 14:28:47 +01001768 if (unlikely(!(s->flags & SN_ERR_MASK))) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001769 if (s->req->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1770 /* Report it if the client got an error or a read timeout expired */
Willy Tarreau84455332009-03-15 22:34:05 +01001771 s->req->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001772 if (s->req->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001773 s->be->be_counters.cli_aborts++;
1774 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001775 if (srv)
1776 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001777 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001778 }
1779 else if (s->req->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001780 s->be->be_counters.cli_aborts++;
1781 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001782 if (srv)
1783 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001784 s->flags |= SN_ERR_CLITO;
Willy Tarreauae526782010-03-04 20:34:23 +01001785 }
1786 else if (s->req->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001787 s->be->be_counters.srv_aborts++;
1788 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001789 if (srv)
1790 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001791 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001792 }
1793 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001794 s->be->be_counters.srv_aborts++;
1795 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001796 if (srv)
1797 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001798 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001799 }
Willy Tarreau84455332009-03-15 22:34:05 +01001800 sess_set_term_flags(s);
1801 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001802 else if (s->rep->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1803 /* Report it if the server got an error or a read timeout expired */
1804 s->rep->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001805 if (s->rep->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001806 s->be->be_counters.srv_aborts++;
1807 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001808 if (srv)
1809 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001810 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001811 }
1812 else if (s->rep->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001813 s->be->be_counters.srv_aborts++;
1814 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001815 if (srv)
1816 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001817 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001818 }
1819 else if (s->rep->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001820 s->be->be_counters.cli_aborts++;
1821 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001822 if (srv)
1823 srv->counters.cli_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001824 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001825 }
1826 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001827 s->be->be_counters.cli_aborts++;
1828 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001829 if (srv)
1830 srv->counters.cli_aborts++;
Willy Tarreauae526782010-03-04 20:34:23 +01001831 s->flags |= SN_ERR_CLITO;
1832 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001833 sess_set_term_flags(s);
1834 }
Willy Tarreau84455332009-03-15 22:34:05 +01001835 }
1836
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001837 /*
1838 * Here we take care of forwarding unhandled data. This also includes
1839 * connection establishments and shutdown requests.
1840 */
1841
1842
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001843 /* If noone is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02001844 * everything. We configure the buffer to forward indefinitely.
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001845 * Note that we're checking BF_SHUTR_NOW as an indication of a possible
1846 * recent call to buffer_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001847 */
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001848 if (!s->req->analysers &&
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001849 !(s->req->flags & (BF_HIJACK|BF_SHUTW|BF_SHUTR_NOW)) &&
Willy Tarreau31971e52009-09-20 12:07:52 +02001850 (s->req->prod->state >= SI_ST_EST) &&
1851 (s->req->to_forward != BUF_INFINITE_FORWARD)) {
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001852 /* This buffer is freewheeling, there's no analyser nor hijacker
1853 * attached to it. If any data are left in, we'll permit them to
1854 * move.
1855 */
Willy Tarreau90deb182010-01-07 00:20:41 +01001856 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001857 buffer_auto_connect(s->req);
1858 buffer_auto_close(s->req);
Willy Tarreaua75bcef2012-08-24 22:56:11 +02001859 buffer_flush(&s->req->buf);
Willy Tarreau5bd8c372009-01-19 00:32:22 +01001860
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001861 /* We'll let data flow between the producer (if still connected)
1862 * to the consumer (which might possibly not be connected yet).
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001863 */
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001864 if (!(s->req->flags & (BF_SHUTR|BF_SHUTW_NOW)))
Willy Tarreau31971e52009-09-20 12:07:52 +02001865 buffer_forward(s->req, BUF_INFINITE_FORWARD);
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001866 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01001867
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001868 /* check if it is wise to enable kernel splicing to forward request data */
1869 if (!(s->req->flags & (BF_KERN_SPLICING|BF_SHUTR)) &&
1870 s->req->to_forward &&
1871 (global.tune.options & GTUNE_USE_SPLICE) &&
Willy Tarreaudc340a92009-06-28 23:10:19 +02001872 (s->si[0].flags & s->si[1].flags & SI_FL_CAP_SPLICE) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001873 (pipes_used < global.maxpipes) &&
1874 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) ||
1875 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
1876 (s->req->flags & BF_STREAMER_FAST)))) {
1877 s->req->flags |= BF_KERN_SPLICING;
1878 }
1879
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001880 /* reflect what the L7 analysers have seen last */
1881 rqf_last = s->req->flags;
1882
1883 /*
1884 * Now forward all shutdown requests between both sides of the buffer
1885 */
1886
Willy Tarreau520d95e2009-09-19 21:04:57 +02001887 /* first, let's check if the request buffer needs to shutdown(write), which may
1888 * happen either because the input is closed or because we want to force a close
Willy Tarreaue4599762010-03-21 23:25:09 +01001889 * once the server has begun to respond.
Willy Tarreau520d95e2009-09-19 21:04:57 +02001890 */
Willy Tarreau82eeaf22009-12-29 12:09:05 +01001891 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_HIJACK|BF_AUTO_CLOSE|BF_SHUTR)) ==
Willy Tarreaue4599762010-03-21 23:25:09 +01001892 (BF_AUTO_CLOSE|BF_SHUTR)))
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001893 buffer_shutw_now(s->req);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001894
1895 /* shutdown(write) pending */
Willy Tarreau8e21bb92012-08-24 22:40:29 +02001896 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW)) == BF_SHUTW_NOW &&
1897 channel_is_empty(s->req)))
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 Tarreau8e21bb92012-08-24 22:40:29 +02001919 if ((s->req->flags & BF_AUTO_CONNECT) || !channel_is_empty(s->req)) {
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 Tarreaua75bcef2012-08-24 22:56:11 +02001994 buffer_flush(&s->rep->buf);
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 Tarreau8e21bb92012-08-24 22:40:29 +02002042 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTW_NOW)) == BF_SHUTW_NOW &&
2043 channel_is_empty(s->rep)))
Willy Tarreau73b013b2012-05-21 16:31:45 +02002044 si_shutw(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002045
2046 /* shutdown(write) done on the client side, we must stop the server too */
Willy Tarreau3dbc6942008-12-07 13:05:04 +01002047 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTW) &&
2048 !s->rep->analysers)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002049 buffer_shutr_now(s->rep);
2050
2051 /* shutdown(read) pending */
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02002052 if (unlikely((s->rep->flags & (BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTR_NOW)) {
2053 if (s->rep->prod->flags & SI_FL_NOHALF)
2054 s->rep->prod->flags |= SI_FL_NOLINGER;
Willy Tarreau73b013b2012-05-21 16:31:45 +02002055 si_shutr(s->rep->prod);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02002056 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002057
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002058 if (s->req->prod->state == SI_ST_DIS || s->req->cons->state == SI_ST_DIS)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002059 goto resync_stream_interface;
2060
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002061 if (s->req->flags != rqf_last)
2062 goto resync_request;
2063
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002064 if ((s->rep->flags ^ rpf_last) & BF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002065 goto resync_response;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002066
Willy Tarreau89f7ef22009-09-05 20:57:35 +02002067 /* we're interested in getting wakeups again */
2068 s->req->prod->flags &= ~SI_FL_DONT_WAKE;
2069 s->req->cons->flags &= ~SI_FL_DONT_WAKE;
2070
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002071 /* This is needed only when debugging is enabled, to indicate
2072 * client-side or server-side close. Please note that in the unlikely
2073 * event where both sides would close at once, the sequence is reported
2074 * on the server side first.
2075 */
2076 if (unlikely((global.mode & MODE_DEBUG) &&
2077 (!(global.mode & MODE_QUIET) ||
2078 (global.mode & MODE_VERBOSE)))) {
2079 int len;
2080
2081 if (s->si[1].state == SI_ST_CLO &&
2082 s->si[1].prev_state == SI_ST_EST) {
2083 len = sprintf(trash, "%08x:%s.srvcls[%04x:%04x]\n",
2084 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002085 (unsigned short)si_fd(&s->si[0]),
2086 (unsigned short)si_fd(&s->si[1]));
Willy Tarreau21337822012-04-29 14:11:38 +02002087 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002088 }
2089
2090 if (s->si[0].state == SI_ST_CLO &&
2091 s->si[0].prev_state == SI_ST_EST) {
2092 len = sprintf(trash, "%08x:%s.clicls[%04x:%04x]\n",
2093 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002094 (unsigned short)si_fd(&s->si[0]),
2095 (unsigned short)si_fd(&s->si[1]));
Willy Tarreau21337822012-04-29 14:11:38 +02002096 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002097 }
2098 }
2099
2100 if (likely((s->rep->cons->state != SI_ST_CLO) ||
2101 (s->req->cons->state > SI_ST_INI && s->req->cons->state < SI_ST_CLO))) {
2102
2103 if ((s->fe->options & PR_O_CONTSTATS) && (s->flags & SN_BE_ASSIGNED))
2104 session_process_counters(s);
2105
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002106 if (s->rep->cons->state == SI_ST_EST && s->rep->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau73b013b2012-05-21 16:31:45 +02002107 si_update(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002108
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002109 if (s->req->cons->state == SI_ST_EST && s->req->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau73b013b2012-05-21 16:31:45 +02002110 si_update(s->req->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002111
Willy Tarreaua6eebb32010-06-04 11:40:20 +02002112 s->req->flags &= ~(BF_READ_NULL|BF_READ_PARTIAL|BF_WRITE_NULL|BF_WRITE_PARTIAL|BF_READ_ATTACHED);
2113 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 +01002114 s->si[0].prev_state = s->si[0].state;
2115 s->si[1].prev_state = s->si[1].state;
Willy Tarreaub0ef7352008-12-14 13:26:20 +01002116 s->si[0].flags &= ~(SI_FL_ERR|SI_FL_EXP);
2117 s->si[1].flags &= ~(SI_FL_ERR|SI_FL_EXP);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002118
2119 /* Trick: if a request is being waiting for the server to respond,
2120 * and if we know the server can timeout, we don't want the timeout
2121 * to expire on the client side first, but we're still interested
2122 * in passing data from the client to the server (eg: POST). Thus,
2123 * we can cancel the client's request timeout if the server's
2124 * request timeout is set and the server has not yet sent a response.
2125 */
2126
Willy Tarreau520d95e2009-09-19 21:04:57 +02002127 if ((s->rep->flags & (BF_AUTO_CLOSE|BF_SHUTR)) == 0 &&
Willy Tarreau86491c32008-12-14 09:04:47 +01002128 (tick_isset(s->req->wex) || tick_isset(s->rep->rex))) {
2129 s->req->flags |= BF_READ_NOEXP;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002130 s->req->rex = TICK_ETERNITY;
Willy Tarreau86491c32008-12-14 09:04:47 +01002131 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002132
Willy Tarreau7a20aa62010-07-13 16:30:45 +02002133 /* Call the stream interfaces' I/O handlers when embedded.
Willy Tarreau1accfc02009-09-05 20:57:35 +02002134 * Note that this one may wake the task up again.
2135 */
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002136 if (s->req->cons->target.type == TARG_TYPE_APPLET ||
2137 s->rep->cons->target.type == TARG_TYPE_APPLET) {
2138 if (s->req->cons->target.type == TARG_TYPE_APPLET)
2139 s->req->cons->target.ptr.a->fct(s->req->cons);
2140 if (s->rep->cons->target.type == TARG_TYPE_APPLET)
2141 s->rep->cons->target.ptr.a->fct(s->rep->cons);
Willy Tarreau1accfc02009-09-05 20:57:35 +02002142 if (task_in_rq(t)) {
2143 /* If we woke up, we don't want to requeue the
2144 * task to the wait queue, but rather requeue
2145 * it into the runqueue ASAP.
2146 */
2147 t->expire = TICK_ETERNITY;
2148 return t;
2149 }
2150 }
2151
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002152 t->expire = tick_first(tick_first(s->req->rex, s->req->wex),
2153 tick_first(s->rep->rex, s->rep->wex));
2154 if (s->req->analysers)
2155 t->expire = tick_first(t->expire, s->req->analyse_exp);
2156
2157 if (s->si[0].exp)
2158 t->expire = tick_first(t->expire, s->si[0].exp);
2159
2160 if (s->si[1].exp)
2161 t->expire = tick_first(t->expire, s->si[1].exp);
2162
2163#ifdef DEBUG_FULL
Willy Tarreau127334e2009-03-28 10:47:26 +01002164 fprintf(stderr,
2165 "[%u] queuing with exp=%u req->rex=%u req->wex=%u req->ana_exp=%u"
2166 " rep->rex=%u rep->wex=%u, si[0].exp=%u, si[1].exp=%u, cs=%d, ss=%d\n",
2167 now_ms, t->expire, s->req->rex, s->req->wex, s->req->analyse_exp,
2168 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 +01002169#endif
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002170
2171#ifdef DEBUG_DEV
2172 /* this may only happen when no timeout is set or in case of an FSM bug */
Willy Tarreaud0a201b2009-03-08 15:53:06 +01002173 if (!tick_isset(t->expire))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002174 ABORT_NOW();
2175#endif
Willy Tarreau26c25062009-03-08 09:38:41 +01002176 return t; /* nothing more to do */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002177 }
2178
2179 s->fe->feconn--;
2180 if (s->flags & SN_BE_ASSIGNED)
2181 s->be->beconn--;
Willy Tarreau3c63fd82011-09-07 18:00:47 +02002182 if (!(s->listener->options & LI_O_UNLIMITED))
2183 actconn--;
Willy Tarreauaf7ad002010-08-31 15:39:26 +02002184 jobs--;
Willy Tarreau6e6fb2b2009-08-16 18:20:44 +02002185 s->listener->nbconn--;
Willy Tarreau62793712011-07-24 19:23:38 +02002186 if (s->listener->state == LI_FULL)
2187 resume_listener(s->listener);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002188
Willy Tarreau08ceb102011-07-24 22:58:00 +02002189 /* Dequeues all of the listeners waiting for a resource */
2190 if (!LIST_ISEMPTY(&global_listener_queue))
2191 dequeue_all_listeners(&global_listener_queue);
2192
Willy Tarreaub32907b2011-07-25 08:37:44 +02002193 if (!LIST_ISEMPTY(&s->fe->listener_queue) &&
2194 (!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 +02002195 dequeue_all_listeners(&s->fe->listener_queue);
2196
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002197 if (unlikely((global.mode & MODE_DEBUG) &&
2198 (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
2199 int len;
Willy Tarreauec22b2c2009-03-06 13:07:40 +01002200 len = sprintf(trash, "%08x:%s.closed[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002201 s->uniq_id, s->be->id,
Willy Tarreaufb7508a2012-05-21 16:47:54 +02002202 (unsigned short)si_fd(s->req->prod), (unsigned short)si_fd(s->req->cons));
Willy Tarreau21337822012-04-29 14:11:38 +02002203 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002204 }
2205
2206 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2207 session_process_counters(s);
2208
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002209 if (s->txn.status) {
2210 int n;
2211
2212 n = s->txn.status / 100;
2213 if (n < 1 || n > 5)
2214 n = 0;
2215
2216 if (s->fe->mode == PR_MODE_HTTP)
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002217 s->fe->fe_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002218
Willy Tarreau24657792010-02-26 10:30:28 +01002219 if ((s->flags & SN_BE_ASSIGNED) &&
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002220 (s->be->mode == PR_MODE_HTTP))
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002221 s->be->be_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002222 }
2223
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002224 /* let's do a final log if we need it */
2225 if (s->logs.logwait &&
2226 !(s->flags & SN_MONITOR) &&
2227 (!(s->fe->options & PR_O_NULLNOLOG) || s->req->total)) {
Willy Tarreaua5555ec2008-11-30 19:02:32 +01002228 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002229 }
2230
2231 /* the task MUST not be in the run queue anymore */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002232 session_free(s);
Willy Tarreau26c25062009-03-08 09:38:41 +01002233 task_delete(t);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002234 task_free(t);
Willy Tarreau26c25062009-03-08 09:38:41 +01002235 return NULL;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002236}
2237
Willy Tarreau7c669d72008-06-20 15:04:11 +02002238/*
2239 * This function adjusts sess->srv_conn and maintains the previous and new
2240 * server's served session counts. Setting newsrv to NULL is enough to release
2241 * current connection slot. This function also notifies any LB algo which might
2242 * expect to be informed about any change in the number of active sessions on a
2243 * server.
2244 */
2245void sess_change_server(struct session *sess, struct server *newsrv)
2246{
2247 if (sess->srv_conn == newsrv)
2248 return;
2249
2250 if (sess->srv_conn) {
2251 sess->srv_conn->served--;
2252 if (sess->srv_conn->proxy->lbprm.server_drop_conn)
2253 sess->srv_conn->proxy->lbprm.server_drop_conn(sess->srv_conn);
Simon Hormanaf514952011-06-21 14:34:57 +09002254 session_del_srv_conn(sess);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002255 }
2256
2257 if (newsrv) {
2258 newsrv->served++;
2259 if (newsrv->proxy->lbprm.server_take_conn)
2260 newsrv->proxy->lbprm.server_take_conn(newsrv);
Simon Hormanaf514952011-06-21 14:34:57 +09002261 session_add_srv_conn(sess, newsrv);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002262 }
2263}
2264
Willy Tarreau84455332009-03-15 22:34:05 +01002265/* Handle server-side errors for default protocols. It is called whenever a a
2266 * connection setup is aborted or a request is aborted in queue. It sets the
2267 * session termination flags so that the caller does not have to worry about
2268 * them. It's installed as ->srv_error for the server-side stream_interface.
2269 */
2270void default_srv_error(struct session *s, struct stream_interface *si)
2271{
2272 int err_type = si->err_type;
2273 int err = 0, fin = 0;
2274
2275 if (err_type & SI_ET_QUEUE_ABRT) {
2276 err = SN_ERR_CLICL;
2277 fin = SN_FINST_Q;
2278 }
2279 else if (err_type & SI_ET_CONN_ABRT) {
2280 err = SN_ERR_CLICL;
2281 fin = SN_FINST_C;
2282 }
2283 else if (err_type & SI_ET_QUEUE_TO) {
2284 err = SN_ERR_SRVTO;
2285 fin = SN_FINST_Q;
2286 }
2287 else if (err_type & SI_ET_QUEUE_ERR) {
2288 err = SN_ERR_SRVCL;
2289 fin = SN_FINST_Q;
2290 }
2291 else if (err_type & SI_ET_CONN_TO) {
2292 err = SN_ERR_SRVTO;
2293 fin = SN_FINST_C;
2294 }
2295 else if (err_type & SI_ET_CONN_ERR) {
2296 err = SN_ERR_SRVCL;
2297 fin = SN_FINST_C;
2298 }
2299 else /* SI_ET_CONN_OTHER and others */ {
2300 err = SN_ERR_INTERNAL;
2301 fin = SN_FINST_C;
2302 }
2303
2304 if (!(s->flags & SN_ERR_MASK))
2305 s->flags |= err;
2306 if (!(s->flags & SN_FINST_MASK))
2307 s->flags |= fin;
2308}
Willy Tarreau7c669d72008-06-20 15:04:11 +02002309
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002310/* kill a session and set the termination flags to <why> (one of SN_ERR_*) */
2311void session_shutdown(struct session *session, int why)
2312{
2313 if (session->req->flags & (BF_SHUTW|BF_SHUTW_NOW))
2314 return;
2315
2316 buffer_shutw_now(session->req);
2317 buffer_shutr_now(session->rep);
2318 session->task->nice = 1024;
2319 if (!(session->flags & SN_ERR_MASK))
2320 session->flags |= why;
2321 task_wakeup(session->task, TASK_WOKEN_OTHER);
2322}
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02002323
Willy Tarreau8b22a712010-06-18 17:46:06 +02002324/************************************************************************/
2325/* All supported ACL keywords must be declared here. */
2326/************************************************************************/
2327
Willy Tarreaua5e37562011-12-16 17:06:15 +01002328/* set temp integer to the General Purpose Counter 0 value in the stksess entry <ts> */
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002329static int
Willy Tarreau37406352012-04-23 16:16:37 +02002330acl_fetch_get_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002331{
Willy Tarreau37406352012-04-23 16:16:37 +02002332 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002333 smp->type = SMP_T_UINT;
2334 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002335 if (ts != NULL) {
2336 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2337 if (!ptr)
2338 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002339 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002340 }
2341 return 1;
2342}
2343
Willy Tarreaua5e37562011-12-16 17:06:15 +01002344/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002345 * frontend counters.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002346 */
2347static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002348acl_fetch_sc1_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002349 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002350{
Willy Tarreau56123282010-08-06 19:06:56 +02002351 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002352 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002353 return acl_fetch_get_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002354}
2355
Willy Tarreaua5e37562011-12-16 17:06:15 +01002356/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002357 * backend counters.
2358 */
2359static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002360acl_fetch_sc2_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002361 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002362{
Willy Tarreau56123282010-08-06 19:06:56 +02002363 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002364 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002365 return acl_fetch_get_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002366}
2367
Willy Tarreaua5e37562011-12-16 17:06:15 +01002368/* set temp integer to the General Purpose Counter 0 value from the session's source
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002369 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002370 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002371 */
2372static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002373acl_fetch_src_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002374 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002375{
2376 struct stktable_key *key;
2377
David du Colombier4f92d322011-03-24 11:09:31 +01002378 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002379 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002380 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002381
Willy Tarreau24e32d82012-04-23 23:55:44 +02002382 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002383 return acl_fetch_get_gpc0(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002384}
2385
2386/* Increment the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002387 * return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002388 */
2389static int
Willy Tarreau37406352012-04-23 16:16:37 +02002390acl_fetch_inc_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002391{
Willy Tarreau37406352012-04-23 16:16:37 +02002392 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002393 smp->type = SMP_T_UINT;
2394 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002395 if (ts != NULL) {
2396 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2397 if (!ptr)
2398 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002399 smp->data.uint = ++stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002400 }
2401 return 1;
2402}
2403
2404/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002405 * frontend counters and return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002406 */
2407static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002408acl_fetch_sc1_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002409 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002410{
Willy Tarreau56123282010-08-06 19:06:56 +02002411 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002412 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002413 return acl_fetch_inc_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002414}
2415
2416/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002417 * backend counters and return it into temp integer.
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002418 */
2419static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002420acl_fetch_sc2_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002421 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002422{
Willy Tarreau56123282010-08-06 19:06:56 +02002423 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002424 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002425 return acl_fetch_inc_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002426}
2427
2428/* Increment the General Purpose Counter 0 value from the session's source
Willy Tarreaua5e37562011-12-16 17:06:15 +01002429 * address in the table pointed to by expr, and return it into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002430 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002431 */
2432static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002433acl_fetch_src_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002434 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002435{
2436 struct stktable_key *key;
2437
David du Colombier4f92d322011-03-24 11:09:31 +01002438 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002439 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002440 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002441
Willy Tarreau24e32d82012-04-23 23:55:44 +02002442 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002443 return acl_fetch_inc_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002444}
2445
Willy Tarreauf73cd112011-08-13 01:45:16 +02002446/* Clear the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002447 * return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002448 */
2449static int
Willy Tarreau37406352012-04-23 16:16:37 +02002450acl_fetch_clr_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002451{
Willy Tarreau37406352012-04-23 16:16:37 +02002452 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002453 smp->type = SMP_T_UINT;
2454 smp->data.uint = 0;
Willy Tarreauf73cd112011-08-13 01:45:16 +02002455 if (ts != NULL) {
2456 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2457 if (!ptr)
2458 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002459 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002460 stktable_data_cast(ptr, gpc0) = 0;
2461 }
2462 return 1;
2463}
2464
2465/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002466 * frontend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002467 */
2468static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002469acl_fetch_sc1_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002470 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002471{
2472 if (!l4->stkctr1_entry)
2473 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002474 return acl_fetch_clr_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002475}
2476
2477/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002478 * backend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002479 */
2480static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002481acl_fetch_sc2_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002482 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002483{
2484 if (!l4->stkctr2_entry)
2485 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002486 return acl_fetch_clr_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002487}
2488
2489/* Clear the General Purpose Counter 0 value from the session's source address
Willy Tarreaua5e37562011-12-16 17:06:15 +01002490 * in the table pointed to by expr, and return its previous value into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002491 * Accepts exactly 1 argument of type table.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002492 */
2493static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002494acl_fetch_src_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002495 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002496{
2497 struct stktable_key *key;
2498
2499 key = tcp_src_to_stktable_key(l4);
2500 if (!key)
2501 return 0;
2502
Willy Tarreau24e32d82012-04-23 23:55:44 +02002503 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002504 return acl_fetch_clr_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauf73cd112011-08-13 01:45:16 +02002505}
2506
Willy Tarreaua5e37562011-12-16 17:06:15 +01002507/* set temp integer to the cumulated number of connections in the stksess entry <ts> */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002508static int
Willy Tarreau37406352012-04-23 16:16:37 +02002509acl_fetch_conn_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002510{
Willy Tarreau37406352012-04-23 16:16:37 +02002511 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002512 smp->type = SMP_T_UINT;
2513 smp->data.uint = 0;
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002514 if (ts != NULL) {
2515 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CNT);
2516 if (!ptr)
2517 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002518 smp->data.uint = stktable_data_cast(ptr, conn_cnt);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002519 }
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002520 return 1;
2521}
2522
Willy Tarreaua5e37562011-12-16 17:06:15 +01002523/* set temp integer to the cumulated number of connections from the session's tracked FE counters */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002524static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002525acl_fetch_sc1_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002526 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002527{
Willy Tarreau56123282010-08-06 19:06:56 +02002528 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002529 return 0;
2530
Willy Tarreau37406352012-04-23 16:16:37 +02002531 return acl_fetch_conn_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002532}
2533
Willy Tarreaua5e37562011-12-16 17:06:15 +01002534/* set temp integer to the cumulated number of connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002535static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002536acl_fetch_sc2_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002537 const struct arg *args, struct sample *smp)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002538{
Willy Tarreau56123282010-08-06 19:06:56 +02002539 if (!l4->stkctr2_entry)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002540 return 0;
2541
Willy Tarreau37406352012-04-23 16:16:37 +02002542 return acl_fetch_conn_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002543}
2544
Willy Tarreaua5e37562011-12-16 17:06:15 +01002545/* set temp integer to the cumulated number of connections from the session's source
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002546 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002547 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002548 */
2549static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002550acl_fetch_src_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002551 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002552{
Willy Tarreau8b22a712010-06-18 17:46:06 +02002553 struct stktable_key *key;
2554
David du Colombier4f92d322011-03-24 11:09:31 +01002555 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002556 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002557 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002558
Willy Tarreau24e32d82012-04-23 23:55:44 +02002559 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002560 return acl_fetch_conn_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau8b22a712010-06-18 17:46:06 +02002561}
2562
Willy Tarreaua5e37562011-12-16 17:06:15 +01002563/* set temp integer to the connection rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002564static int
Willy Tarreau37406352012-04-23 16:16:37 +02002565acl_fetch_conn_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002566{
Willy Tarreau37406352012-04-23 16:16:37 +02002567 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002568 smp->type = SMP_T_UINT;
2569 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002570 if (ts != NULL) {
2571 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_RATE);
2572 if (!ptr)
2573 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002574 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, conn_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002575 table->data_arg[STKTABLE_DT_CONN_RATE].u);
2576 }
2577 return 1;
2578}
2579
Willy Tarreaua5e37562011-12-16 17:06:15 +01002580/* set temp integer to the connection rate from the session's tracked FE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002581 * the configured period.
2582 */
2583static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002584acl_fetch_sc1_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002585 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002586{
Willy Tarreau56123282010-08-06 19:06:56 +02002587 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002588 return 0;
2589
Willy Tarreau37406352012-04-23 16:16:37 +02002590 return acl_fetch_conn_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002591}
2592
Willy Tarreaua5e37562011-12-16 17:06:15 +01002593/* set temp integer to the connection rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002594 * the configured period.
2595 */
2596static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002597acl_fetch_sc2_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002598 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002599{
Willy Tarreau56123282010-08-06 19:06:56 +02002600 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002601 return 0;
2602
Willy Tarreau37406352012-04-23 16:16:37 +02002603 return acl_fetch_conn_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002604}
2605
Willy Tarreaua5e37562011-12-16 17:06:15 +01002606/* set temp integer to the connection rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002607 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002608 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002609 */
2610static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002611acl_fetch_src_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002612 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002613{
2614 struct stktable_key *key;
2615
David du Colombier4f92d322011-03-24 11:09:31 +01002616 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002617 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002618 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002619
Willy Tarreau24e32d82012-04-23 23:55:44 +02002620 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002621 return acl_fetch_conn_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002622}
2623
Willy Tarreaua5e37562011-12-16 17:06:15 +01002624/* set temp integer to the number of connections from the session's source address
Willy Tarreau8b22a712010-06-18 17:46:06 +02002625 * in the table pointed to by expr, after updating it.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002626 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002627 */
2628static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002629acl_fetch_src_updt_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002630 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002631{
2632 struct stksess *ts;
2633 struct stktable_key *key;
2634 void *ptr;
2635
David du Colombier4f92d322011-03-24 11:09:31 +01002636 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002637 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002638 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002639
Willy Tarreau24e32d82012-04-23 23:55:44 +02002640 px = args->data.prx;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002641
Willy Tarreau1f7e9252010-06-20 12:27:21 +02002642 if ((ts = stktable_update_key(&px->table, key)) == NULL)
2643 /* entry does not exist and could not be created */
2644 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002645
2646 ptr = stktable_data_ptr(&px->table, ts, STKTABLE_DT_CONN_CNT);
2647 if (!ptr)
2648 return 0; /* parameter not stored in this table */
2649
Willy Tarreauf853c462012-04-23 18:53:56 +02002650 smp->type = SMP_T_UINT;
2651 smp->data.uint = ++stktable_data_cast(ptr, conn_cnt);
Willy Tarreau37406352012-04-23 16:16:37 +02002652 smp->flags = SMP_F_VOL_TEST;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002653 return 1;
2654}
2655
Willy Tarreaua5e37562011-12-16 17:06:15 +01002656/* set temp integer to the number of concurrent connections in the stksess entry <ts> */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002657static int
Willy Tarreau37406352012-04-23 16:16:37 +02002658acl_fetch_conn_cur(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002659{
Willy Tarreau37406352012-04-23 16:16:37 +02002660 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002661 smp->type = SMP_T_UINT;
2662 smp->data.uint = 0;
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002663
2664 if (ts != NULL) {
2665 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CUR);
2666 if (!ptr)
2667 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002668 smp->data.uint = stktable_data_cast(ptr, conn_cur);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002669 }
2670 return 1;
2671}
2672
Willy Tarreaua5e37562011-12-16 17:06:15 +01002673/* set temp integer to the number of concurrent connections from the session's tracked FE counters */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002674static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002675acl_fetch_sc1_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002676 const struct arg *args, struct sample *smp)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002677{
Willy Tarreau56123282010-08-06 19:06:56 +02002678 if (!l4->stkctr1_entry)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002679 return 0;
2680
Willy Tarreau37406352012-04-23 16:16:37 +02002681 return acl_fetch_conn_cur(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002682}
2683
Willy Tarreaua5e37562011-12-16 17:06:15 +01002684/* set temp integer to the number of concurrent connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002685static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002686acl_fetch_sc2_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002687 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002688{
Willy Tarreau56123282010-08-06 19:06:56 +02002689 if (!l4->stkctr2_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002690 return 0;
2691
Willy Tarreau37406352012-04-23 16:16:37 +02002692 return acl_fetch_conn_cur(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002693}
2694
Willy Tarreaua5e37562011-12-16 17:06:15 +01002695/* set temp integer to the number of concurrent connections from the session's source
Willy Tarreau38285c12010-06-18 16:35:43 +02002696 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002697 * Accepts exactly 1 argument of type table.
Willy Tarreau38285c12010-06-18 16:35:43 +02002698 */
2699static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002700acl_fetch_src_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002701 const struct arg *args, struct sample *smp)
Willy Tarreau38285c12010-06-18 16:35:43 +02002702{
Willy Tarreau38285c12010-06-18 16:35:43 +02002703 struct stktable_key *key;
2704
David du Colombier4f92d322011-03-24 11:09:31 +01002705 key = tcp_src_to_stktable_key(l4);
Willy Tarreau38285c12010-06-18 16:35:43 +02002706 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002707 return 0;
Willy Tarreau38285c12010-06-18 16:35:43 +02002708
Willy Tarreau24e32d82012-04-23 23:55:44 +02002709 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002710 return acl_fetch_conn_cur(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau38285c12010-06-18 16:35:43 +02002711}
2712
Willy Tarreaua5e37562011-12-16 17:06:15 +01002713/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002714static int
Willy Tarreau37406352012-04-23 16:16:37 +02002715acl_fetch_sess_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002716{
Willy Tarreau37406352012-04-23 16:16:37 +02002717 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002718 smp->type = SMP_T_UINT;
2719 smp->data.uint = 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002720 if (ts != NULL) {
2721 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_CNT);
2722 if (!ptr)
2723 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002724 smp->data.uint = stktable_data_cast(ptr, sess_cnt);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002725 }
2726 return 1;
2727}
2728
Willy Tarreaua5e37562011-12-16 17:06:15 +01002729/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002730static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002731acl_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002732 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002733{
Willy Tarreau56123282010-08-06 19:06:56 +02002734 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002735 return 0;
2736
Willy Tarreau37406352012-04-23 16:16:37 +02002737 return acl_fetch_sess_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002738}
2739
Willy Tarreaua5e37562011-12-16 17:06:15 +01002740/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002741static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002742acl_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002743 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002744{
Willy Tarreau56123282010-08-06 19:06:56 +02002745 if (!l4->stkctr2_entry)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002746 return 0;
2747
Willy Tarreau37406352012-04-23 16:16:37 +02002748 return acl_fetch_sess_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002749}
2750
Willy Tarreaua5e37562011-12-16 17:06:15 +01002751/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002752 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002753 * Accepts exactly 1 argument of type table.
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002754 */
2755static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002756acl_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002757 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002758{
2759 struct stktable_key *key;
2760
David du Colombier4f92d322011-03-24 11:09:31 +01002761 key = tcp_src_to_stktable_key(l4);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002762 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002763 return 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002764
Willy Tarreau24e32d82012-04-23 23:55:44 +02002765 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002766 return acl_fetch_sess_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002767}
2768
Willy Tarreaua5e37562011-12-16 17:06:15 +01002769/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002770static int
Willy Tarreau37406352012-04-23 16:16:37 +02002771acl_fetch_sess_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002772{
Willy Tarreau37406352012-04-23 16:16:37 +02002773 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002774 smp->type = SMP_T_UINT;
2775 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002776 if (ts != NULL) {
2777 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_RATE);
2778 if (!ptr)
2779 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002780 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002781 table->data_arg[STKTABLE_DT_SESS_RATE].u);
2782 }
2783 return 1;
2784}
2785
Willy Tarreaua5e37562011-12-16 17:06:15 +01002786/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002787 * the configured period.
2788 */
2789static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002790acl_fetch_sc1_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002791 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002792{
Willy Tarreau56123282010-08-06 19:06:56 +02002793 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002794 return 0;
2795
Willy Tarreau37406352012-04-23 16:16:37 +02002796 return acl_fetch_sess_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002797}
2798
Willy Tarreaua5e37562011-12-16 17:06:15 +01002799/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002800 * the configured period.
2801 */
2802static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002803acl_fetch_sc2_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002804 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002805{
Willy Tarreau56123282010-08-06 19:06:56 +02002806 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002807 return 0;
2808
Willy Tarreau37406352012-04-23 16:16:37 +02002809 return acl_fetch_sess_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002810}
2811
Willy Tarreaua5e37562011-12-16 17:06:15 +01002812/* set temp integer to the session rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002813 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002814 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002815 */
2816static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002817acl_fetch_src_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002818 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002819{
2820 struct stktable_key *key;
2821
David du Colombier4f92d322011-03-24 11:09:31 +01002822 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002823 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002824 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002825
Willy Tarreau24e32d82012-04-23 23:55:44 +02002826 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002827 return acl_fetch_sess_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002828}
2829
Willy Tarreaua5e37562011-12-16 17:06:15 +01002830/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002831static int
Willy Tarreau37406352012-04-23 16:16:37 +02002832acl_fetch_http_req_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002833{
Willy Tarreau37406352012-04-23 16:16:37 +02002834 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002835 smp->type = SMP_T_UINT;
2836 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002837 if (ts != NULL) {
2838 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_CNT);
2839 if (!ptr)
2840 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002841 smp->data.uint = stktable_data_cast(ptr, http_req_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002842 }
2843 return 1;
2844}
2845
Willy Tarreaua5e37562011-12-16 17:06:15 +01002846/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002847static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002848acl_fetch_sc1_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002849 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002850{
Willy Tarreau56123282010-08-06 19:06:56 +02002851 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002852 return 0;
2853
Willy Tarreau37406352012-04-23 16:16:37 +02002854 return acl_fetch_http_req_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002855}
2856
Willy Tarreaua5e37562011-12-16 17:06:15 +01002857/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002858static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002859acl_fetch_sc2_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002860 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002861{
Willy Tarreau56123282010-08-06 19:06:56 +02002862 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002863 return 0;
2864
Willy Tarreau37406352012-04-23 16:16:37 +02002865 return acl_fetch_http_req_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002866}
2867
Willy Tarreaua5e37562011-12-16 17:06:15 +01002868/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002869 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002870 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002871 */
2872static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002873acl_fetch_src_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002874 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002875{
2876 struct stktable_key *key;
2877
David du Colombier4f92d322011-03-24 11:09:31 +01002878 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002879 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002880 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002881
Willy Tarreau24e32d82012-04-23 23:55:44 +02002882 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002883 return acl_fetch_http_req_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002884}
2885
Willy Tarreaua5e37562011-12-16 17:06:15 +01002886/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002887static int
Willy Tarreau37406352012-04-23 16:16:37 +02002888acl_fetch_http_req_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002889{
Willy Tarreau37406352012-04-23 16:16:37 +02002890 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002891 smp->type = SMP_T_UINT;
2892 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002893 if (ts != NULL) {
2894 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_RATE);
2895 if (!ptr)
2896 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002897 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_req_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02002898 table->data_arg[STKTABLE_DT_HTTP_REQ_RATE].u);
2899 }
2900 return 1;
2901}
2902
Willy Tarreaua5e37562011-12-16 17:06:15 +01002903/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02002904 * the configured period.
2905 */
2906static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002907acl_fetch_sc1_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002908 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002909{
Willy Tarreau56123282010-08-06 19:06:56 +02002910 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002911 return 0;
2912
Willy Tarreau37406352012-04-23 16:16:37 +02002913 return acl_fetch_http_req_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002914}
2915
Willy Tarreaua5e37562011-12-16 17:06:15 +01002916/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002917 * the configured period.
2918 */
2919static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002920acl_fetch_sc2_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002921 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002922{
Willy Tarreau56123282010-08-06 19:06:56 +02002923 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002924 return 0;
2925
Willy Tarreau37406352012-04-23 16:16:37 +02002926 return acl_fetch_http_req_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002927}
2928
Willy Tarreaua5e37562011-12-16 17:06:15 +01002929/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02002930 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002931 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002932 */
2933static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002934acl_fetch_src_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002935 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002936{
2937 struct stktable_key *key;
2938
David du Colombier4f92d322011-03-24 11:09:31 +01002939 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002940 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002941 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002942
Willy Tarreau24e32d82012-04-23 23:55:44 +02002943 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002944 return acl_fetch_http_req_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002945}
2946
Willy Tarreaua5e37562011-12-16 17:06:15 +01002947/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002948static int
Willy Tarreau37406352012-04-23 16:16:37 +02002949acl_fetch_http_err_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002950{
Willy Tarreau37406352012-04-23 16:16:37 +02002951 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002952 smp->type = SMP_T_UINT;
2953 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002954 if (ts != NULL) {
2955 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_CNT);
2956 if (!ptr)
2957 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002958 smp->data.uint = stktable_data_cast(ptr, http_err_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002959 }
2960 return 1;
2961}
2962
Willy Tarreaua5e37562011-12-16 17:06:15 +01002963/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002964static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002965acl_fetch_sc1_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002966 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002967{
Willy Tarreau56123282010-08-06 19:06:56 +02002968 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002969 return 0;
2970
Willy Tarreau37406352012-04-23 16:16:37 +02002971 return acl_fetch_http_err_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002972}
2973
Willy Tarreaua5e37562011-12-16 17:06:15 +01002974/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002975static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002976acl_fetch_sc2_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002977 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002978{
Willy Tarreau56123282010-08-06 19:06:56 +02002979 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002980 return 0;
2981
Willy Tarreau37406352012-04-23 16:16:37 +02002982 return acl_fetch_http_err_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002983}
2984
Willy Tarreaua5e37562011-12-16 17:06:15 +01002985/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002986 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002987 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002988 */
2989static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002990acl_fetch_src_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002991 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002992{
2993 struct stktable_key *key;
2994
David du Colombier4f92d322011-03-24 11:09:31 +01002995 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002996 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002997 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002998
Willy Tarreau24e32d82012-04-23 23:55:44 +02002999 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003000 return acl_fetch_http_err_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02003001}
3002
Willy Tarreaua5e37562011-12-16 17:06:15 +01003003/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02003004static int
Willy Tarreau37406352012-04-23 16:16:37 +02003005acl_fetch_http_err_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003006{
Willy Tarreau37406352012-04-23 16:16:37 +02003007 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003008 smp->type = SMP_T_UINT;
3009 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02003010 if (ts != NULL) {
3011 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_RATE);
3012 if (!ptr)
3013 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003014 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_err_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02003015 table->data_arg[STKTABLE_DT_HTTP_ERR_RATE].u);
3016 }
3017 return 1;
3018}
3019
Willy Tarreaua5e37562011-12-16 17:06:15 +01003020/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02003021 * the configured period.
3022 */
3023static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003024acl_fetch_sc1_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003025 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003026{
Willy Tarreau56123282010-08-06 19:06:56 +02003027 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003028 return 0;
3029
Willy Tarreau37406352012-04-23 16:16:37 +02003030 return acl_fetch_http_err_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003031}
3032
Willy Tarreaua5e37562011-12-16 17:06:15 +01003033/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003034 * the configured period.
3035 */
3036static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003037acl_fetch_sc2_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003038 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003039{
Willy Tarreau56123282010-08-06 19:06:56 +02003040 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003041 return 0;
3042
Willy Tarreau37406352012-04-23 16:16:37 +02003043 return acl_fetch_http_err_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003044}
3045
Willy Tarreaua5e37562011-12-16 17:06:15 +01003046/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02003047 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003048 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02003049 */
3050static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003051acl_fetch_src_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003052 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003053{
3054 struct stktable_key *key;
3055
David du Colombier4f92d322011-03-24 11:09:31 +01003056 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003057 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003058 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02003059
Willy Tarreau24e32d82012-04-23 23:55:44 +02003060 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003061 return acl_fetch_http_err_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02003062}
3063
Willy Tarreaua5e37562011-12-16 17:06:15 +01003064/* set temp integer to the number of kbytes received from clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003065static int
Willy Tarreau37406352012-04-23 16:16:37 +02003066acl_fetch_kbytes_in(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003067{
Willy Tarreau37406352012-04-23 16:16:37 +02003068 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003069 smp->type = SMP_T_UINT;
3070 smp->data.uint = 0;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003071
3072 if (ts != NULL) {
3073 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_CNT);
3074 if (!ptr)
3075 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003076 smp->data.uint = stktable_data_cast(ptr, bytes_in_cnt) >> 10;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003077 }
3078 return 1;
3079}
3080
Willy Tarreaua5e37562011-12-16 17:06:15 +01003081/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003082 * session's tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003083 */
3084static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003085acl_fetch_sc1_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003086 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003087{
Willy Tarreau56123282010-08-06 19:06:56 +02003088 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003089 return 0;
3090
Willy Tarreau37406352012-04-23 16:16:37 +02003091 return acl_fetch_kbytes_in(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003092}
3093
Willy Tarreaua5e37562011-12-16 17:06:15 +01003094/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003095 * session's tracked BE counters.
3096 */
3097static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003098acl_fetch_sc2_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003099 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003100{
Willy Tarreau56123282010-08-06 19:06:56 +02003101 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003102 return 0;
3103
Willy Tarreau37406352012-04-23 16:16:37 +02003104 return acl_fetch_kbytes_in(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003105}
3106
Willy Tarreaua5e37562011-12-16 17:06:15 +01003107/* set temp integer to the number of kbytes received from the session's source
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003108 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003109 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003110 */
3111static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003112acl_fetch_src_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003113 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003114{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003115 struct stktable_key *key;
3116
David du Colombier4f92d322011-03-24 11:09:31 +01003117 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003118 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003119 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003120
Willy Tarreau24e32d82012-04-23 23:55:44 +02003121 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003122 return acl_fetch_kbytes_in(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003123}
3124
Willy Tarreaua5e37562011-12-16 17:06:15 +01003125/* set temp integer to the bytes rate from clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003126 * configured period.
3127 */
3128static int
Willy Tarreau37406352012-04-23 16:16:37 +02003129acl_fetch_bytes_in_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003130{
Willy Tarreau37406352012-04-23 16:16:37 +02003131 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003132 smp->type = SMP_T_UINT;
3133 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003134 if (ts != NULL) {
3135 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_RATE);
3136 if (!ptr)
3137 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003138 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003139 table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u);
3140 }
3141 return 1;
3142}
3143
Willy Tarreaua5e37562011-12-16 17:06:15 +01003144/* set temp integer to the bytes rate from clients from the session's tracked FE
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003145 * counters over the configured period.
3146 */
3147static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003148acl_fetch_sc1_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003149 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003150{
Willy Tarreau56123282010-08-06 19:06:56 +02003151 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003152 return 0;
3153
Willy Tarreau37406352012-04-23 16:16:37 +02003154 return acl_fetch_bytes_in_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003155}
3156
Willy Tarreaua5e37562011-12-16 17:06:15 +01003157/* set temp integer to the bytes rate from clients from the session's tracked BE
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003158 * counters over the configured period.
3159 */
3160static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003161acl_fetch_sc2_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003162 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003163{
Willy Tarreau56123282010-08-06 19:06:56 +02003164 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003165 return 0;
3166
Willy Tarreau37406352012-04-23 16:16:37 +02003167 return acl_fetch_bytes_in_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003168}
3169
Willy Tarreaua5e37562011-12-16 17:06:15 +01003170/* set temp integer to the bytes rate from clients from the session's source address
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003171 * in the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003172 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003173 */
3174static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003175acl_fetch_src_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003176 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003177{
3178 struct stktable_key *key;
3179
David du Colombier4f92d322011-03-24 11:09:31 +01003180 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003181 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003182 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003183
Willy Tarreau24e32d82012-04-23 23:55:44 +02003184 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003185 return acl_fetch_bytes_in_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003186}
3187
Willy Tarreaua5e37562011-12-16 17:06:15 +01003188/* set temp integer to the number of kbytes sent to clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003189static int
Willy Tarreau37406352012-04-23 16:16:37 +02003190acl_fetch_kbytes_out(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003191{
Willy Tarreau37406352012-04-23 16:16:37 +02003192 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003193 smp->type = SMP_T_UINT;
3194 smp->data.uint = 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003195
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003196 if (ts != NULL) {
3197 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003198 if (!ptr)
3199 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003200 smp->data.uint = stktable_data_cast(ptr, bytes_out_cnt) >> 10;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003201 }
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003202 return 1;
3203}
3204
Willy Tarreaua5e37562011-12-16 17:06:15 +01003205/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003206 * tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003207 */
3208static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003209acl_fetch_sc1_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003210 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003211{
Willy Tarreau56123282010-08-06 19:06:56 +02003212 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003213 return 0;
3214
Willy Tarreau37406352012-04-23 16:16:37 +02003215 return acl_fetch_kbytes_out(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003216}
3217
Willy Tarreaua5e37562011-12-16 17:06:15 +01003218/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003219 * tracked BE counters.
3220 */
3221static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003222acl_fetch_sc2_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003223 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003224{
Willy Tarreau56123282010-08-06 19:06:56 +02003225 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003226 return 0;
3227
Willy Tarreau37406352012-04-23 16:16:37 +02003228 return acl_fetch_kbytes_out(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003229}
3230
Willy Tarreaua5e37562011-12-16 17:06:15 +01003231/* set temp integer to the number of kbytes sent to the session's source address in
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003232 * the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003233 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003234 */
3235static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003236acl_fetch_src_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003237 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003238{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003239 struct stktable_key *key;
3240
David du Colombier4f92d322011-03-24 11:09:31 +01003241 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003242 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003243 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003244
Willy Tarreau24e32d82012-04-23 23:55:44 +02003245 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003246 return acl_fetch_kbytes_out(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003247}
3248
Willy Tarreaua5e37562011-12-16 17:06:15 +01003249/* set temp integer to the bytes rate to clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003250 * configured period.
3251 */
3252static int
Willy Tarreau37406352012-04-23 16:16:37 +02003253acl_fetch_bytes_out_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003254{
Willy Tarreau37406352012-04-23 16:16:37 +02003255 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003256 smp->type = SMP_T_UINT;
3257 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003258 if (ts != NULL) {
3259 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_RATE);
3260 if (!ptr)
3261 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003262 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003263 table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u);
3264 }
3265 return 1;
3266}
3267
Willy Tarreaua5e37562011-12-16 17:06:15 +01003268/* set temp integer to the bytes rate to clients from the session's tracked FE counters
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003269 * over the configured period.
3270 */
3271static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003272acl_fetch_sc1_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003273 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003274{
Willy Tarreau56123282010-08-06 19:06:56 +02003275 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003276 return 0;
3277
Willy Tarreau37406352012-04-23 16:16:37 +02003278 return acl_fetch_bytes_out_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003279}
3280
Willy Tarreaua5e37562011-12-16 17:06:15 +01003281/* set temp integer to the bytes rate to clients from the session's tracked BE counters
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003282 * over the configured period.
3283 */
3284static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003285acl_fetch_sc2_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003286 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003287{
Willy Tarreau56123282010-08-06 19:06:56 +02003288 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003289 return 0;
3290
Willy Tarreau37406352012-04-23 16:16:37 +02003291 return acl_fetch_bytes_out_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003292}
3293
Willy Tarreaua5e37562011-12-16 17:06:15 +01003294/* set temp integer to the bytes rate to client from the session's source address in
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003295 * the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003296 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003297 */
3298static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003299acl_fetch_src_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003300 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003301{
3302 struct stktable_key *key;
3303
David du Colombier4f92d322011-03-24 11:09:31 +01003304 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003305 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003306 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003307
Willy Tarreau24e32d82012-04-23 23:55:44 +02003308 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003309 return acl_fetch_bytes_out_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003310}
3311
Willy Tarreau34db1082012-04-19 17:16:54 +02003312/* set temp integer to the number of used entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003313 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003314 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003315static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003316acl_fetch_table_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003317 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003318{
Willy Tarreau37406352012-04-23 16:16:37 +02003319 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003320 smp->type = SMP_T_UINT;
Willy Tarreau24e32d82012-04-23 23:55:44 +02003321 smp->data.uint = args->data.prx->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003322 return 1;
3323}
3324
Willy Tarreau34db1082012-04-19 17:16:54 +02003325/* set temp integer to the number of free entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003326 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003327 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003328static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003329acl_fetch_table_avl(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003330 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003331{
Willy Tarreau24e32d82012-04-23 23:55:44 +02003332 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003333 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003334 smp->type = SMP_T_UINT;
3335 smp->data.uint = px->table.size - px->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003336 return 1;
3337}
Willy Tarreau8b22a712010-06-18 17:46:06 +02003338
Willy Tarreau61612d42012-04-19 18:42:05 +02003339/* Note: must not be declared <const> as its list will be overwritten.
3340 * Please take care of keeping this list alphabetically sorted.
3341 */
Willy Tarreau8b22a712010-06-18 17:46:06 +02003342static struct acl_kw_list acl_kws = {{ },{
Willy Tarreau61612d42012-04-19 18:42:05 +02003343 { "sc1_bytes_in_rate", acl_parse_int, acl_fetch_sc1_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3344 { "sc1_bytes_out_rate", acl_parse_int, acl_fetch_sc1_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3345 { "sc1_clr_gpc0", acl_parse_int, acl_fetch_sc1_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3346 { "sc1_conn_cnt", acl_parse_int, acl_fetch_sc1_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3347 { "sc1_conn_cur", acl_parse_int, acl_fetch_sc1_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3348 { "sc1_conn_rate", acl_parse_int, acl_fetch_sc1_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3349 { "sc1_get_gpc0", acl_parse_int, acl_fetch_sc1_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3350 { "sc1_http_err_cnt", acl_parse_int, acl_fetch_sc1_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3351 { "sc1_http_err_rate", acl_parse_int, acl_fetch_sc1_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3352 { "sc1_http_req_cnt", acl_parse_int, acl_fetch_sc1_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3353 { "sc1_http_req_rate", acl_parse_int, acl_fetch_sc1_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3354 { "sc1_inc_gpc0", acl_parse_int, acl_fetch_sc1_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3355 { "sc1_kbytes_in", acl_parse_int, acl_fetch_sc1_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3356 { "sc1_kbytes_out", acl_parse_int, acl_fetch_sc1_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3357 { "sc1_sess_cnt", acl_parse_int, acl_fetch_sc1_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3358 { "sc1_sess_rate", acl_parse_int, acl_fetch_sc1_sess_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3359 { "sc2_bytes_in_rate", acl_parse_int, acl_fetch_sc2_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3360 { "sc2_bytes_out_rate", acl_parse_int, acl_fetch_sc2_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3361 { "sc2_clr_gpc0", acl_parse_int, acl_fetch_sc2_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3362 { "sc2_conn_cnt", acl_parse_int, acl_fetch_sc2_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3363 { "sc2_conn_cur", acl_parse_int, acl_fetch_sc2_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3364 { "sc2_conn_rate", acl_parse_int, acl_fetch_sc2_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3365 { "sc2_get_gpc0", acl_parse_int, acl_fetch_sc2_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3366 { "sc2_http_err_cnt", acl_parse_int, acl_fetch_sc2_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3367 { "sc2_http_err_rate", acl_parse_int, acl_fetch_sc2_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3368 { "sc2_http_req_cnt", acl_parse_int, acl_fetch_sc2_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3369 { "sc2_http_req_rate", acl_parse_int, acl_fetch_sc2_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3370 { "sc2_inc_gpc0", acl_parse_int, acl_fetch_sc2_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3371 { "sc2_kbytes_in", acl_parse_int, acl_fetch_sc2_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3372 { "sc2_kbytes_out", acl_parse_int, acl_fetch_sc2_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3373 { "sc2_sess_cnt", acl_parse_int, acl_fetch_sc2_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3374 { "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 +02003375 { "src_bytes_in_rate", acl_parse_int, acl_fetch_src_bytes_in_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3376 { "src_bytes_out_rate", acl_parse_int, acl_fetch_src_bytes_out_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3377 { "src_clr_gpc0", acl_parse_int, acl_fetch_src_clr_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3378 { "src_conn_cnt", acl_parse_int, acl_fetch_src_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3379 { "src_conn_cur", acl_parse_int, acl_fetch_src_conn_cur, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3380 { "src_conn_rate", acl_parse_int, acl_fetch_src_conn_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3381 { "src_get_gpc0", acl_parse_int, acl_fetch_src_get_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3382 { "src_http_err_cnt", acl_parse_int, acl_fetch_src_http_err_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3383 { "src_http_err_rate", acl_parse_int, acl_fetch_src_http_err_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3384 { "src_http_req_cnt", acl_parse_int, acl_fetch_src_http_req_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3385 { "src_http_req_rate", acl_parse_int, acl_fetch_src_http_req_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3386 { "src_inc_gpc0", acl_parse_int, acl_fetch_src_inc_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3387 { "src_kbytes_in", acl_parse_int, acl_fetch_src_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3388 { "src_kbytes_out", acl_parse_int, acl_fetch_src_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3389 { "src_sess_cnt", acl_parse_int, acl_fetch_src_sess_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3390 { "src_sess_rate", acl_parse_int, acl_fetch_src_sess_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3391 { "src_updt_conn_cnt", acl_parse_int, acl_fetch_src_updt_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3392 { "table_avl", acl_parse_int, acl_fetch_table_avl, acl_match_int, ACL_USE_NOTHING, ARG1(1,TAB) },
3393 { "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 +02003394 { NULL, NULL, NULL, NULL },
3395}};
3396
3397
Willy Tarreau56123282010-08-06 19:06:56 +02003398/* Parse a "track-sc[12]" line starting with "track-sc[12]" in args[arg-1].
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003399 * Returns the number of warnings emitted, or -1 in case of fatal errors. The
3400 * <prm> struct is fed with the table name if any. If unspecified, the caller
3401 * will assume that the current proxy's table is used.
3402 */
3403int parse_track_counters(char **args, int *arg,
3404 int section_type, struct proxy *curpx,
3405 struct track_ctr_prm *prm,
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003406 struct proxy *defpx, char **err)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003407{
Willy Tarreau12785782012-04-27 21:37:17 +02003408 int sample_type = 0;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003409
Willy Tarreau56123282010-08-06 19:06:56 +02003410 /* parse the arguments of "track-sc[12]" before the condition in the
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003411 * following form :
Willy Tarreau56123282010-08-06 19:06:56 +02003412 * track-sc[12] src [ table xxx ] [ if|unless ... ]
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003413 */
3414 while (args[*arg]) {
3415 if (strcmp(args[*arg], "src") == 0) {
3416 prm->type = STKTABLE_TYPE_IP;
Willy Tarreau12785782012-04-27 21:37:17 +02003417 sample_type = 1;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003418 }
3419 else if (strcmp(args[*arg], "table") == 0) {
3420 if (!args[*arg + 1]) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003421 memprintf(err, "missing table name");
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003422 return -1;
3423 }
3424 /* we copy the table name for now, it will be resolved later */
3425 prm->table.n = strdup(args[*arg + 1]);
3426 (*arg)++;
3427 }
3428 else {
3429 /* unhandled keywords are handled by the caller */
3430 break;
3431 }
3432 (*arg)++;
3433 }
3434
Willy Tarreau12785782012-04-27 21:37:17 +02003435 if (!sample_type) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003436 memprintf(err,
3437 "tracking key not specified (found %s, only 'src' is supported)",
3438 quote_arg(args[*arg]));
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003439 return -1;
3440 }
3441
3442 return 0;
3443}
3444
Willy Tarreau8b22a712010-06-18 17:46:06 +02003445__attribute__((constructor))
3446static void __session_init(void)
3447{
3448 acl_register_keywords(&acl_kws);
3449}
3450
Willy Tarreaubaaee002006-06-26 02:48:02 +02003451/*
3452 * Local variables:
3453 * c-indent-level: 8
3454 * c-basic-offset: 8
3455 * End:
3456 */