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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
Willy Tarreau81f9aa32010-06-01 17:45:26 +02002 * Session management functions.
Willy Tarreaubaaee002006-06-26 02:48:02 +02003 *
Willy Tarreaud28c3532012-04-19 19:28:33 +02004 * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
13#include <stdlib.h>
Willy Tarreau81f9aa32010-06-01 17:45:26 +020014#include <unistd.h>
15#include <fcntl.h>
Willy Tarreaue3ba5f02006-06-29 18:54:54 +020016
17#include <common/config.h>
Willy Tarreau7c669d72008-06-20 15:04:11 +020018#include <common/debug.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020019#include <common/memory.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020020
Willy Tarreaubaaee002006-06-26 02:48:02 +020021#include <types/capture.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010022#include <types/global.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020023
Willy Tarreau1d0dfb12009-07-07 15:10:31 +020024#include <proto/acl.h>
Willy Tarreau61612d42012-04-19 18:42:05 +020025#include <proto/arg.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010026#include <proto/backend.h>
Willy Tarreau7341d942007-05-13 19:56:02 +020027#include <proto/buffers.h>
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +010028#include <proto/checks.h>
Willy Tarreau5ca791d2009-08-16 19:06:42 +020029#include <proto/dumpstats.h>
Willy Tarreau91c43d72010-06-20 11:19:22 +020030#include <proto/freq_ctr.h>
Willy Tarreau3041b9f2010-10-15 23:25:20 +020031#include <proto/frontend.h>
Willy Tarreau8d5d7f22007-01-21 19:16:41 +010032#include <proto/hdr_idx.h>
Willy Tarreau332f8bf2007-05-13 21:36:56 +020033#include <proto/log.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020034#include <proto/session.h>
Willy Tarreau3eba98a2009-01-25 13:56:13 +010035#include <proto/pipe.h>
Willy Tarreau62793712011-07-24 19:23:38 +020036#include <proto/protocols.h>
Willy Tarreau55a8d0e2008-11-30 18:47:21 +010037#include <proto/proto_http.h>
38#include <proto/proto_tcp.h>
Willy Tarreau1d0dfb12009-07-07 15:10:31 +020039#include <proto/proxy.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020040#include <proto/queue.h>
Willy Tarreau7f062c42009-03-05 18:43:00 +010041#include <proto/server.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020042#include <proto/sample.h>
Willy Tarreauc63190d2012-05-11 14:23:52 +020043#include <proto/sock_raw.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
78 /* if this session comes from a known monitoring system, we want to ignore
79 * it as soon as possible, which means closing it immediately for TCP, but
80 * cleanly.
81 */
82 if (unlikely((l->options & LI_O_CHK_MONNET) &&
83 addr->ss_family == AF_INET &&
84 (((struct sockaddr_in *)addr)->sin_addr.s_addr & p->mon_mask.s_addr) == p->mon_net.s_addr)) {
85 if (p->mode == PR_MODE_TCP) {
Willy Tarreauabe8ea52010-11-11 10:56:04 +010086 ret = 0; /* successful termination */
87 goto out_free_session;
Willy Tarreau81f9aa32010-06-01 17:45:26 +020088 }
89 s->flags |= SN_MONITOR;
90 s->logs.logwait = 0;
91 }
92
Willy Tarreauabe8ea52010-11-11 10:56:04 +010093 if (unlikely((t = task_new()) == NULL))
94 goto out_free_session;
95
Willy Tarreau81f9aa32010-06-01 17:45:26 +020096 /* OK, we're keeping the session, so let's properly initialize the session */
97 LIST_ADDQ(&sessions, &s->list);
98 LIST_INIT(&s->back_refs);
99
Willy Tarreaubd833142012-05-08 15:51:44 +0200100 s->unique_id = NULL;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200101 s->term_trace = 0;
Willy Tarreau6471afb2011-09-23 10:54:59 +0200102 s->si[0].addr.from = *addr;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200103 s->logs.accept_date = date; /* user-visible date for logging */
104 s->logs.tv_accept = now; /* corrected date for internal use */
105 s->uniq_id = totalconn;
Willy Tarreau24dcaf32010-06-05 10:49:41 +0200106 p->feconn++; /* beconn will be increased once assigned */
107
Willy Tarreaub36b4242010-06-04 20:59:39 +0200108 proxy_inc_fe_conn_ctr(l, p); /* note: cum_beconn will be increased once assigned */
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200109
110 t->process = l->handler;
111 t->context = s;
112 t->nice = l->nice;
113 t->expire = TICK_ETERNITY;
114
115 s->task = t;
116 s->listener = l;
117
118 /* Note: initially, the session's backend points to the frontend.
119 * This changes later when switching rules are executed or
120 * when the default backend is assigned.
121 */
122 s->be = s->fe = p;
123 s->req = s->rep = NULL; /* will be allocated later */
124
125 /* now evaluate the tcp-request layer4 rules. Since we expect to be able
126 * to abort right here as soon as possible, we check the rules before
127 * even initializing the stream interfaces.
128 */
129 if ((l->options & LI_O_TCP_RULES) && !tcp_exec_req_rules(s)) {
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200130 /* let's do a no-linger now to close with a single RST. */
131 setsockopt(cfd, SOL_SOCKET, SO_LINGER, (struct linger *) &nolinger, sizeof(struct linger));
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100132 ret = 0; /* successful termination */
133 goto out_free_task;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200134 }
135
Willy Tarreaub36b4242010-06-04 20:59:39 +0200136 /* This session was accepted, count it now */
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100137 if (p->feconn > p->fe_counters.conn_max)
138 p->fe_counters.conn_max = p->feconn;
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100139
Willy Tarreaub36b4242010-06-04 20:59:39 +0200140 proxy_inc_fe_sess_ctr(l, p);
Willy Tarreau56123282010-08-06 19:06:56 +0200141 if (s->stkctr1_entry) {
Willy Tarreau91c43d72010-06-20 11:19:22 +0200142 void *ptr;
143
Willy Tarreau56123282010-08-06 19:06:56 +0200144 ptr = stktable_data_ptr(s->stkctr1_table, s->stkctr1_entry, STKTABLE_DT_SESS_CNT);
Willy Tarreauf4d17d92010-06-18 22:10:12 +0200145 if (ptr)
146 stktable_data_cast(ptr, sess_cnt)++;
Willy Tarreau91c43d72010-06-20 11:19:22 +0200147
Willy Tarreau56123282010-08-06 19:06:56 +0200148 ptr = stktable_data_ptr(s->stkctr1_table, s->stkctr1_entry, STKTABLE_DT_SESS_RATE);
Willy Tarreau91c43d72010-06-20 11:19:22 +0200149 if (ptr)
150 update_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200151 s->stkctr1_table->data_arg[STKTABLE_DT_SESS_RATE].u, 1);
Willy Tarreauf4d17d92010-06-18 22:10:12 +0200152 }
Willy Tarreaub36b4242010-06-04 20:59:39 +0200153
Willy Tarreau56123282010-08-06 19:06:56 +0200154 if (s->stkctr2_entry) {
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200155 void *ptr;
156
Willy Tarreau56123282010-08-06 19:06:56 +0200157 ptr = stktable_data_ptr(s->stkctr2_table, s->stkctr2_entry, STKTABLE_DT_SESS_CNT);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200158 if (ptr)
159 stktable_data_cast(ptr, sess_cnt)++;
160
Willy Tarreau56123282010-08-06 19:06:56 +0200161 ptr = stktable_data_ptr(s->stkctr2_table, s->stkctr2_entry, STKTABLE_DT_SESS_RATE);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200162 if (ptr)
163 update_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200164 s->stkctr2_table->data_arg[STKTABLE_DT_SESS_RATE].u, 1);
Willy Tarreau9e9879a2010-08-06 15:25:22 +0200165 }
166
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200167 /* this part should be common with other protocols */
168 s->si[0].fd = cfd;
169 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 Tarreau26d8c592012-05-07 18:12:14 +0200173 s->si[0].proto = l->proto;
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200174 s->si[0].release = NULL;
Willy Tarreau63e7fe32012-05-08 15:20:43 +0200175 s->si[0].send_proxy_ofs = 0;
Willy Tarreau1539a012012-05-11 14:47:34 +0200176 set_target_client(&s->si[0].target);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200177 s->si[0].exp = TICK_ETERNITY;
178 s->si[0].flags = SI_FL_NONE;
179
180 if (likely(s->fe->options2 & PR_O2_INDEPSTR))
181 s->si[0].flags |= SI_FL_INDEP_STR;
182
183 if (addr->ss_family == AF_INET || addr->ss_family == AF_INET6)
184 s->si[0].flags = SI_FL_CAP_SPLTCP; /* TCP/TCPv6 splicing possible */
185
186 /* add the various callbacks */
Willy Tarreaub277d6e2012-05-11 16:59:14 +0200187 stream_interface_prepare(&s->si[0], &sock_raw);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200188
189 /* pre-initialize the other side's stream interface to an INIT state. The
190 * callbacks will be initialized before attempting to connect.
191 */
192 s->si[1].fd = -1; /* just to help with debugging */
193 s->si[1].owner = t;
194 s->si[1].state = s->si[1].prev_state = SI_ST_INI;
195 s->si[1].err_type = SI_ET_NONE;
Willy Tarreau0b3a4112011-03-27 19:16:56 +0200196 s->si[1].conn_retries = 0; /* used for logging too */
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200197 s->si[1].err_loc = NULL;
Willy Tarreau26d8c592012-05-07 18:12:14 +0200198 s->si[1].proto = 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 Tarreauf873d752012-05-11 17:47:17 +0200202 stream_interface_prepare(&s->si[1], &stream_int_embedded);
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 */
227 s->req->size = global.tune.bufsize;
228 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 */
244 s->rep->size = global.tune.bufsize;
245 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);
283 fdtab[cfd].owner = &s->si[0];
284 fdtab[cfd].state = FD_STREADY;
285 fdtab[cfd].flags = 0;
Willy Tarreau1b79bde2012-05-07 17:01:39 +0200286 fdtab[cfd].cb[DIR_RD].f = s->si[0].sock.read;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200287 fdtab[cfd].cb[DIR_RD].b = s->req;
Willy Tarreau1b79bde2012-05-07 17:01:39 +0200288 fdtab[cfd].cb[DIR_WR].f = s->si[0].sock.write;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200289 fdtab[cfd].cb[DIR_WR].b = s->rep;
Willy Tarreau6471afb2011-09-23 10:54:59 +0200290 fdinfo[cfd].peeraddr = (struct sockaddr *)&s->si[0].addr.from;
291 fdinfo[cfd].peerlen = sizeof(s->si[0].addr.from);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200292 EV_FD_SET(cfd, DIR_RD);
293
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100294 if (p->accept && (ret = p->accept(s)) <= 0) {
295 /* Either we had an unrecoverable error (<0) or work is
296 * finished (=0, eg: monitoring), in both situations,
297 * we can release everything and close.
298 */
299 goto out_free_rep;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200300 }
301
302 /* it is important not to call the wakeup function directly but to
303 * pass through task_wakeup(), because this one knows how to apply
304 * priorities to tasks.
305 */
306 task_wakeup(t, TASK_WOKEN_INIT);
307 return 1;
308
309 /* Error unrolling */
310 out_free_rep:
311 pool_free2(pool2_buffer, s->rep);
312 out_free_req:
313 pool_free2(pool2_buffer, s->req);
314 out_free_task:
Willy Tarreau24dcaf32010-06-05 10:49:41 +0200315 p->feconn--;
Willy Tarreau56123282010-08-06 19:06:56 +0200316 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200317 session_store_counters(s);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200318 task_free(t);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200319 LIST_DEL(&s->list);
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100320 out_free_session:
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200321 pool_free2(pool2_session, s);
322 out_close:
Willy Tarreau2b154922011-07-22 17:36:27 +0200323 if (ret < 0 && s->fe->mode == PR_MODE_HTTP) {
324 /* critical error, no more memory, try to emit a 500 response */
325 struct chunk *err_msg = error_message(s, HTTP_ERR_500);
326 send(cfd, err_msg->str, err_msg->len, MSG_DONTWAIT|MSG_NOSIGNAL);
327 }
328
Willy Tarreauabe8ea52010-11-11 10:56:04 +0100329 if (fdtab[cfd].state != FD_STCLOSE)
330 fd_delete(cfd);
331 else
332 close(cfd);
333 return ret;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200334}
335
Willy Tarreaubaaee002006-06-26 02:48:02 +0200336/*
337 * frees the context associated to a session. It must have been removed first.
338 */
Simon Hormandec5be42011-06-08 09:19:07 +0900339static void session_free(struct session *s)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200340{
Willy Tarreau4dbc4a22007-03-03 16:23:22 +0100341 struct http_txn *txn = &s->txn;
Willy Tarreau632f5a72007-07-11 10:42:35 +0200342 struct proxy *fe = s->fe;
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100343 struct bref *bref, *back;
Willy Tarreaua4cda672010-06-06 18:28:49 +0200344 int i;
Willy Tarreau0f7562b2007-01-07 15:46:13 +0100345
Willy Tarreaubaaee002006-06-26 02:48:02 +0200346 if (s->pend_pos)
347 pendconn_free(s->pend_pos);
Willy Tarreau922a8062008-12-04 09:33:58 +0100348
Willy Tarreau827aee92011-03-10 16:55:02 +0100349 if (target_srv(&s->target)) { /* there may be requests left pending in queue */
Willy Tarreau1e62de62008-11-11 20:20:02 +0100350 if (s->flags & SN_CURR_SESS) {
351 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100352 target_srv(&s->target)->cur_sess--;
Willy Tarreau1e62de62008-11-11 20:20:02 +0100353 }
Willy Tarreau827aee92011-03-10 16:55:02 +0100354 if (may_dequeue_tasks(target_srv(&s->target), s->be))
355 process_srv_queue(target_srv(&s->target));
Willy Tarreau1e62de62008-11-11 20:20:02 +0100356 }
Willy Tarreau922a8062008-12-04 09:33:58 +0100357
Willy Tarreau7c669d72008-06-20 15:04:11 +0200358 if (unlikely(s->srv_conn)) {
359 /* the session still has a reserved slot on a server, but
360 * it should normally be only the same as the one above,
361 * so this should not happen in fact.
362 */
363 sess_change_server(s, NULL);
364 }
365
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100366 if (s->req->pipe)
367 put_pipe(s->req->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100368
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100369 if (s->rep->pipe)
370 put_pipe(s->rep->pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100371
Willy Tarreau48d63db2008-08-03 17:41:33 +0200372 pool_free2(pool2_buffer, s->req);
373 pool_free2(pool2_buffer, s->rep);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200374
Willy Tarreau46023632010-01-07 22:51:47 +0100375 http_end_txn(s);
376
Willy Tarreaua4cda672010-06-06 18:28:49 +0200377 for (i = 0; i < s->store_count; i++) {
378 if (!s->store[i].ts)
379 continue;
380 stksess_free(s->store[i].table, s->store[i].ts);
381 s->store[i].ts = NULL;
382 }
383
Willy Tarreau34eb6712011-10-24 18:15:04 +0200384 pool_free2(pool2_hdr_idx, txn->hdr_idx.v);
Willy Tarreau92fb9832007-10-16 17:34:28 +0200385 if (fe) {
Willy Tarreau46023632010-01-07 22:51:47 +0100386 pool_free2(fe->rsp_cap_pool, txn->rsp.cap);
387 pool_free2(fe->req_cap_pool, txn->req.cap);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200388 }
Willy Tarreau0937bc42009-12-22 15:03:09 +0100389
Willy Tarreau56123282010-08-06 19:06:56 +0200390 if (s->stkctr1_entry || s->stkctr2_entry)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200391 session_store_counters(s);
392
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100393 list_for_each_entry_safe(bref, back, &s->back_refs, users) {
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100394 /* we have to unlink all watchers. We must not relink them if
395 * this session was the last one in the list.
396 */
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100397 LIST_DEL(&bref->users);
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100398 LIST_INIT(&bref->users);
399 if (s->list.n != &sessions)
400 LIST_ADDQ(&LIST_ELEM(s->list.n, struct session *, list)->back_refs, &bref->users);
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100401 bref->ref = s->list.n;
402 }
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100403 LIST_DEL(&s->list);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200404 pool_free2(pool2_session, s);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200405
406 /* We may want to free the maximum amount of pools if the proxy is stopping */
Willy Tarreau92fb9832007-10-16 17:34:28 +0200407 if (fe && unlikely(fe->state == PR_STSTOPPED)) {
Willy Tarreau48d63db2008-08-03 17:41:33 +0200408 pool_flush2(pool2_buffer);
Willy Tarreau34eb6712011-10-24 18:15:04 +0200409 pool_flush2(pool2_hdr_idx);
Willy Tarreau48d63db2008-08-03 17:41:33 +0200410 pool_flush2(pool2_requri);
411 pool_flush2(pool2_capture);
412 pool_flush2(pool2_session);
413 pool_flush2(fe->req_cap_pool);
414 pool_flush2(fe->rsp_cap_pool);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200415 }
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200416}
417
418
419/* perform minimal intializations, report 0 in case of error, 1 if OK. */
420int init_session()
421{
Willy Tarreauf54f8bd2008-11-23 19:53:55 +0100422 LIST_INIT(&sessions);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200423 pool2_session = create_pool("session", sizeof(struct session), MEM_F_SHARED);
424 return pool2_session != NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200425}
426
Willy Tarreau30e71012007-11-26 20:15:35 +0100427void session_process_counters(struct session *s)
428{
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100429 unsigned long long bytes;
430
Willy Tarreau30e71012007-11-26 20:15:35 +0100431 if (s->req) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100432 bytes = s->req->total - s->logs.bytes_in;
Willy Tarreau30e71012007-11-26 20:15:35 +0100433 s->logs.bytes_in = s->req->total;
434 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100435 s->fe->fe_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100436
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100437 s->be->be_counters.bytes_in += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100438
Willy Tarreau827aee92011-03-10 16:55:02 +0100439 if (target_srv(&s->target))
440 target_srv(&s->target)->counters.bytes_in += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200441
442 if (s->listener->counters)
443 s->listener->counters->bytes_in += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200444
Willy Tarreau56123282010-08-06 19:06:56 +0200445 if (s->stkctr2_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200446 void *ptr;
447
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_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200451 if (ptr)
452 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200453
Willy Tarreau56123282010-08-06 19:06:56 +0200454 ptr = stktable_data_ptr(s->stkctr2_table,
455 s->stkctr2_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200456 STKTABLE_DT_BYTES_IN_RATE);
457 if (ptr)
458 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200459 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200460 }
461
Willy Tarreau56123282010-08-06 19:06:56 +0200462 if (s->stkctr1_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200463 void *ptr;
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_CNT);
468 if (ptr)
469 stktable_data_cast(ptr, bytes_in_cnt) += bytes;
470
Willy Tarreau56123282010-08-06 19:06:56 +0200471 ptr = stktable_data_ptr(s->stkctr1_table,
472 s->stkctr1_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200473 STKTABLE_DT_BYTES_IN_RATE);
474 if (ptr)
475 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200476 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200477 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100478 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100479 }
480
Willy Tarreau30e71012007-11-26 20:15:35 +0100481 if (s->rep) {
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100482 bytes = s->rep->total - s->logs.bytes_out;
Willy Tarreau30e71012007-11-26 20:15:35 +0100483 s->logs.bytes_out = s->rep->total;
484 if (bytes) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100485 s->fe->fe_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100486
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100487 s->be->be_counters.bytes_out += bytes;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100488
Willy Tarreau827aee92011-03-10 16:55:02 +0100489 if (target_srv(&s->target))
490 target_srv(&s->target)->counters.bytes_out += bytes;
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200491
492 if (s->listener->counters)
493 s->listener->counters->bytes_out += bytes;
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200494
Willy Tarreau56123282010-08-06 19:06:56 +0200495 if (s->stkctr2_entry) {
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200496 void *ptr;
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_CNT);
501 if (ptr)
502 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
503
Willy Tarreau56123282010-08-06 19:06:56 +0200504 ptr = stktable_data_ptr(s->stkctr2_table,
505 s->stkctr2_entry,
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200506 STKTABLE_DT_BYTES_OUT_RATE);
507 if (ptr)
508 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200509 s->stkctr2_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200510 }
511
Willy Tarreau56123282010-08-06 19:06:56 +0200512 if (s->stkctr1_entry) {
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200513 void *ptr;
514
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_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200518 if (ptr)
519 stktable_data_cast(ptr, bytes_out_cnt) += bytes;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200520
Willy Tarreau56123282010-08-06 19:06:56 +0200521 ptr = stktable_data_ptr(s->stkctr1_table,
522 s->stkctr1_entry,
Willy Tarreau6c59e0a2010-06-20 11:56:30 +0200523 STKTABLE_DT_BYTES_OUT_RATE);
524 if (ptr)
525 update_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau56123282010-08-06 19:06:56 +0200526 s->stkctr1_table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200527 }
Willy Tarreau30e71012007-11-26 20:15:35 +0100528 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100529 }
530}
Willy Tarreaubaaee002006-06-26 02:48:02 +0200531
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100532/* This function is called with (si->state == SI_ST_CON) meaning that a
533 * connection was attempted and that the file descriptor is already allocated.
534 * We must check for establishment, error and abort. Possible output states
535 * are SI_ST_EST (established), SI_ST_CER (error), SI_ST_DIS (abort), and
536 * SI_ST_CON (no change). The function returns 0 if it switches to SI_ST_CER,
537 * otherwise 1.
538 */
Simon Hormandec5be42011-06-08 09:19:07 +0900539static int sess_update_st_con_tcp(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100540{
541 struct buffer *req = si->ob;
542 struct buffer *rep = si->ib;
543
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100544 /* If we got an error, or if nothing happened and the connection timed
545 * out, we must give up. The CER state handler will take care of retry
546 * attempts and error reports.
547 */
548 if (unlikely(si->flags & (SI_FL_EXP|SI_FL_ERR))) {
Willy Tarreau127334e2009-03-28 10:47:26 +0100549 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100550 si->state = SI_ST_CER;
Willy Tarreaudc340a92009-06-28 23:10:19 +0200551 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100552 fd_delete(si->fd);
553
Willy Tarreau0bd05ea2010-07-02 11:18:03 +0200554 if (si->release)
555 si->release(si);
556
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100557 if (si->err_type)
558 return 0;
559
Willy Tarreau827aee92011-03-10 16:55:02 +0100560 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100561 if (si->flags & SI_FL_ERR)
562 si->err_type = SI_ET_CONN_ERR;
563 else
564 si->err_type = SI_ET_CONN_TO;
565 return 0;
566 }
567
568 /* OK, maybe we want to abort */
Willy Tarreau418fd472009-09-06 21:37:23 +0200569 if (unlikely((rep->flags & BF_SHUTW) ||
570 ((req->flags & BF_SHUTW_NOW) && /* FIXME: this should not prevent a connection from establishing */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200571 (((req->flags & (BF_OUT_EMPTY|BF_WRITE_ACTIVITY)) == BF_OUT_EMPTY) ||
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100572 s->be->options & PR_O_ABRT_CLOSE)))) {
573 /* give up */
Willy Tarreau060781f2012-05-07 16:50:03 +0200574 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100575 si->err_type |= SI_ET_CONN_ABRT;
Willy Tarreau827aee92011-03-10 16:55:02 +0100576 si->err_loc = target_srv(&s->target);
Willy Tarreaudc340a92009-06-28 23:10:19 +0200577 si->flags &= ~SI_FL_CAP_SPLICE;
Willy Tarreau84455332009-03-15 22:34:05 +0100578 if (s->srv_error)
579 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100580 return 1;
581 }
582
583 /* we need to wait a bit more if there was no activity either */
584 if (!(req->flags & BF_WRITE_ACTIVITY))
585 return 1;
586
587 /* OK, this means that a connection succeeded. The caller will be
588 * responsible for handling the transition from CON to EST.
589 */
590 s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau127334e2009-03-28 10:47:26 +0100591 si->exp = TICK_ETERNITY;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100592 si->state = SI_ST_EST;
593 si->err_type = SI_ET_NONE;
594 si->err_loc = NULL;
595 return 1;
596}
597
598/* This function is called with (si->state == SI_ST_CER) meaning that a
599 * previous connection attempt has failed and that the file descriptor
600 * has already been released. Possible causes include asynchronous error
601 * notification and time out. Possible output states are SI_ST_CLO when
602 * retries are exhausted, SI_ST_TAR when a delay is wanted before a new
603 * connection attempt, SI_ST_ASS when it's wise to retry on the same server,
604 * and SI_ST_REQ when an immediate redispatch is wanted. The buffers are
605 * marked as in error state. It returns 0.
606 */
Simon Hormandec5be42011-06-08 09:19:07 +0900607static int sess_update_st_cer(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100608{
609 /* we probably have to release last session from the server */
Willy Tarreau827aee92011-03-10 16:55:02 +0100610 if (target_srv(&s->target)) {
611 health_adjust(target_srv(&s->target), HANA_STATUS_L4_ERR);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100612
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100613 if (s->flags & SN_CURR_SESS) {
614 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +0100615 target_srv(&s->target)->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100616 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100617 }
618
619 /* ensure that we have enough retries left */
Willy Tarreauee28de02010-06-01 09:51:00 +0200620 si->conn_retries--;
621 if (si->conn_retries < 0) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100622 if (!si->err_type) {
623 si->err_type = SI_ET_CONN_ERR;
Willy Tarreau827aee92011-03-10 16:55:02 +0100624 si->err_loc = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100625 }
626
Willy Tarreau827aee92011-03-10 16:55:02 +0100627 if (target_srv(&s->target))
628 target_srv(&s->target)->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100629 s->be->be_counters.failed_conns++;
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100630 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100631 if (may_dequeue_tasks(target_srv(&s->target), s->be))
632 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100633
634 /* shutw is enough so stop a connecting socket */
Willy Tarreau060781f2012-05-07 16:50:03 +0200635 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100636 si->ob->flags |= BF_WRITE_ERROR;
637 si->ib->flags |= BF_READ_ERROR;
638
639 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100640 if (s->srv_error)
641 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100642 return 0;
643 }
644
645 /* If the "redispatch" option is set on the backend, we are allowed to
646 * retry on another server for the last retry. In order to achieve this,
647 * we must mark the session unassigned, and eventually clear the DIRECT
648 * bit to ignore any persistence cookie. We won't count a retry nor a
649 * redispatch yet, because this will depend on what server is selected.
650 */
Willy Tarreau827aee92011-03-10 16:55:02 +0100651 if (target_srv(&s->target) && si->conn_retries == 0 &&
Willy Tarreau4de91492010-01-22 19:10:05 +0100652 s->be->options & PR_O_REDISP && !(s->flags & SN_FORCE_PRST)) {
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100653 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100654 if (may_dequeue_tasks(target_srv(&s->target), s->be))
655 process_srv_queue(target_srv(&s->target));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100656
657 s->flags &= ~(SN_DIRECT | SN_ASSIGNED | SN_ADDR_SET);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100658 si->state = SI_ST_REQ;
659 } else {
Willy Tarreau827aee92011-03-10 16:55:02 +0100660 if (target_srv(&s->target))
661 target_srv(&s->target)->counters.retries++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100662 s->be->be_counters.retries++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100663 si->state = SI_ST_ASS;
664 }
665
666 if (si->flags & SI_FL_ERR) {
667 /* The error was an asynchronous connection error, and we will
668 * likely have to retry connecting to the same server, most
669 * likely leading to the same result. To avoid this, we wait
670 * one second before retrying.
671 */
672
673 if (!si->err_type)
674 si->err_type = SI_ET_CONN_ERR;
675
676 si->state = SI_ST_TAR;
677 si->exp = tick_add(now_ms, MS_TO_TICKS(1000));
678 return 0;
679 }
680 return 0;
681}
682
683/*
684 * This function handles the transition between the SI_ST_CON state and the
Willy Tarreau85e7d002010-05-31 11:57:51 +0200685 * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or
Willy Tarreau26d8c592012-05-07 18:12:14 +0200686 * SI_ST_INI) to SI_ST_EST, but only when a ->proto is defined.
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100687 */
Simon Hormandec5be42011-06-08 09:19:07 +0900688static void sess_establish(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100689{
690 struct buffer *req = si->ob;
691 struct buffer *rep = si->ib;
692
Willy Tarreau827aee92011-03-10 16:55:02 +0100693 if (target_srv(&s->target))
694 health_adjust(target_srv(&s->target), HANA_STATUS_L4_OK);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100695
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100696 if (s->be->mode == PR_MODE_TCP) { /* let's allow immediate data connection in this case */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100697 /* if the user wants to log as soon as possible, without counting
698 * bytes from the server, then this is the right moment. */
699 if (s->fe->to_log && !(s->logs.logwait & LW_BYTES)) {
700 s->logs.t_close = s->logs.t_connect; /* to get a valid end date */
Willy Tarreaua5555ec2008-11-30 19:02:32 +0100701 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100702 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100703 }
704 else {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100705 s->txn.rsp.msg_state = HTTP_MSG_RPBEFORE;
706 /* reset hdr_idx which was already initialized by the request.
707 * right now, the http parser does it.
708 * hdr_idx_init(&s->txn.hdr_idx);
709 */
710 }
711
Willy Tarreau4e5b8282009-08-16 22:57:50 +0200712 rep->analysers |= s->fe->fe_rsp_ana | s->be->be_rsp_ana;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100713 rep->flags |= BF_READ_ATTACHED; /* producer is now attached */
Willy Tarreau26d8c592012-05-07 18:12:14 +0200714 if (si->proto) {
Willy Tarreaud04e8582010-05-31 12:31:35 +0200715 /* real connections have timeouts */
716 req->wto = s->be->timeout.server;
717 rep->rto = s->be->timeout.server;
718 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100719 req->wex = TICK_ETERNITY;
720}
721
722/* Update stream interface status for input states SI_ST_ASS, SI_ST_QUE, SI_ST_TAR.
723 * Other input states are simply ignored.
724 * Possible output states are SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ, SI_ST_CON.
725 * Flags must have previously been updated for timeouts and other conditions.
726 */
Simon Hormandec5be42011-06-08 09:19:07 +0900727static void sess_update_stream_int(struct session *s, struct stream_interface *si)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100728{
Willy Tarreau827aee92011-03-10 16:55:02 +0100729 struct server *srv = target_srv(&s->target);
730
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100731 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 +0100732 now_ms, __FUNCTION__,
733 s,
734 s->req, s->rep,
735 s->req->rex, s->rep->wex,
736 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100737 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 +0100738
739 if (si->state == SI_ST_ASS) {
740 /* Server assigned to connection request, we have to try to connect now */
741 int conn_err;
742
743 conn_err = connect_server(s);
Willy Tarreau827aee92011-03-10 16:55:02 +0100744 srv = target_srv(&s->target);
745
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100746 if (conn_err == SN_ERR_NONE) {
747 /* state = SI_ST_CON now */
Willy Tarreau827aee92011-03-10 16:55:02 +0100748 if (srv)
749 srv_inc_sess_ctr(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100750 return;
751 }
752
753 /* We have received a synchronous error. We might have to
754 * abort, retry immediately or redispatch.
755 */
756 if (conn_err == SN_ERR_INTERNAL) {
757 if (!si->err_type) {
758 si->err_type = SI_ET_CONN_OTHER;
Willy Tarreau827aee92011-03-10 16:55:02 +0100759 si->err_loc = srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100760 }
761
Willy Tarreau827aee92011-03-10 16:55:02 +0100762 if (srv)
763 srv_inc_sess_ctr(srv);
764 if (srv)
765 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100766 s->be->be_counters.failed_conns++;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100767
768 /* release other sessions waiting for this server */
Willy Tarreaub89cfca2010-12-29 14:32:28 +0100769 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +0100770 if (may_dequeue_tasks(srv, s->be))
771 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100772
773 /* Failed and not retryable. */
Willy Tarreau060781f2012-05-07 16:50:03 +0200774 si->sock.shutr(si);
775 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100776 si->ob->flags |= BF_WRITE_ERROR;
777
778 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
779
780 /* no session was ever accounted for this server */
781 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100782 if (s->srv_error)
783 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100784 return;
785 }
786
787 /* We are facing a retryable error, but we don't want to run a
788 * turn-around now, as the problem is likely a source port
789 * allocation problem, so we want to retry now.
790 */
791 si->state = SI_ST_CER;
792 si->flags &= ~SI_FL_ERR;
793 sess_update_st_cer(s, si);
794 /* now si->state is one of SI_ST_CLO, SI_ST_TAR, SI_ST_ASS, SI_ST_REQ */
795 return;
796 }
797 else if (si->state == SI_ST_QUE) {
798 /* connection request was queued, check for any update */
799 if (!s->pend_pos) {
800 /* The connection is not in the queue anymore. Either
801 * we have a server connection slot available and we
802 * go directly to the assigned state, or we need to
803 * load-balance first and go to the INI state.
804 */
805 si->exp = TICK_ETERNITY;
806 if (unlikely(!(s->flags & SN_ASSIGNED)))
807 si->state = SI_ST_REQ;
808 else {
809 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
810 si->state = SI_ST_ASS;
811 }
812 return;
813 }
814
815 /* Connection request still in queue... */
816 if (si->flags & SI_FL_EXP) {
817 /* ... and timeout expired */
818 si->exp = TICK_ETERNITY;
819 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau827aee92011-03-10 16:55:02 +0100820 if (srv)
821 srv->counters.failed_conns++;
Willy Tarreau7d0aaf32011-03-10 23:25:56 +0100822 s->be->be_counters.failed_conns++;
Willy Tarreau060781f2012-05-07 16:50:03 +0200823 si->sock.shutr(si);
824 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100825 si->ob->flags |= BF_WRITE_TIMEOUT;
826 if (!si->err_type)
827 si->err_type = SI_ET_QUEUE_TO;
828 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100829 if (s->srv_error)
830 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100831 return;
832 }
833
834 /* Connection remains in queue, check if we have to abort it */
Willy Tarreau418fd472009-09-06 21:37:23 +0200835 if ((si->ob->flags & (BF_READ_ERROR)) ||
836 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200837 (si->ob->flags & BF_OUT_EMPTY || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100838 /* give up */
839 si->exp = TICK_ETERNITY;
840 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreau060781f2012-05-07 16:50:03 +0200841 si->sock.shutr(si);
842 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100843 si->err_type |= SI_ET_QUEUE_ABRT;
844 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100845 if (s->srv_error)
846 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100847 return;
848 }
849
850 /* Nothing changed */
851 return;
852 }
853 else if (si->state == SI_ST_TAR) {
854 /* Connection request might be aborted */
Willy Tarreau418fd472009-09-06 21:37:23 +0200855 if ((si->ob->flags & (BF_READ_ERROR)) ||
856 ((si->ob->flags & BF_SHUTW_NOW) && /* empty and client aborted */
Willy Tarreauba0b63d2009-09-20 08:09:44 +0200857 (si->ob->flags & BF_OUT_EMPTY || s->be->options & PR_O_ABRT_CLOSE))) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100858 /* give up */
859 si->exp = TICK_ETERNITY;
Willy Tarreau060781f2012-05-07 16:50:03 +0200860 si->sock.shutr(si);
861 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100862 si->err_type |= SI_ET_CONN_ABRT;
863 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100864 if (s->srv_error)
865 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100866 return;
867 }
868
869 if (!(si->flags & SI_FL_EXP))
870 return; /* still in turn-around */
871
872 si->exp = TICK_ETERNITY;
873
874 /* we keep trying on the same server as long as the session is
875 * marked "assigned".
876 * FIXME: Should we force a redispatch attempt when the server is down ?
877 */
878 if (s->flags & SN_ASSIGNED)
879 si->state = SI_ST_ASS;
880 else
881 si->state = SI_ST_REQ;
882 return;
883 }
884}
885
Simon Hormandec5be42011-06-08 09:19:07 +0900886/* Set correct session termination flags in case no analyser has done it. It
887 * also counts a failed request if the server state has not reached the request
888 * stage.
889 */
890static void sess_set_term_flags(struct session *s)
891{
892 if (!(s->flags & SN_FINST_MASK)) {
893 if (s->si[1].state < SI_ST_REQ) {
894
895 s->fe->fe_counters.failed_req++;
896 if (s->listener->counters)
897 s->listener->counters->failed_req++;
898
899 s->flags |= SN_FINST_R;
900 }
901 else if (s->si[1].state == SI_ST_QUE)
902 s->flags |= SN_FINST_Q;
903 else if (s->si[1].state < SI_ST_EST)
904 s->flags |= SN_FINST_C;
905 else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST)
906 s->flags |= SN_FINST_D;
907 else
908 s->flags |= SN_FINST_L;
909 }
910}
911
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100912/* This function initiates a server connection request on a stream interface
913 * already in SI_ST_REQ state. Upon success, the state goes to SI_ST_ASS,
914 * indicating that a server has been assigned. It may also return SI_ST_QUE,
915 * or SI_ST_CLO upon error.
916 */
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100917static void sess_prepare_conn_req(struct session *s, struct stream_interface *si)
918{
919 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 +0100920 now_ms, __FUNCTION__,
921 s,
922 s->req, s->rep,
923 s->req->rex, s->rep->wex,
924 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100925 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 +0100926
927 if (si->state != SI_ST_REQ)
928 return;
929
930 /* Try to assign a server */
931 if (srv_redispatch_connect(s) != 0) {
932 /* We did not get a server. Either we queued the
933 * connection request, or we encountered an error.
934 */
935 if (si->state == SI_ST_QUE)
936 return;
937
938 /* we did not get any server, let's check the cause */
Willy Tarreau060781f2012-05-07 16:50:03 +0200939 si->sock.shutr(si);
940 si->sock.shutw(si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100941 si->ob->flags |= BF_WRITE_ERROR;
942 if (!si->err_type)
943 si->err_type = SI_ET_CONN_OTHER;
944 si->state = SI_ST_CLO;
Willy Tarreau0cac36f2008-11-30 20:44:17 +0100945 if (s->srv_error)
946 s->srv_error(s, si);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100947 return;
948 }
949
950 /* The server is assigned */
951 s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
952 si->state = SI_ST_ASS;
953}
954
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200955/* This stream analyser checks the switching rules and changes the backend
Willy Tarreau4de91492010-01-22 19:10:05 +0100956 * if appropriate. The default_backend rule is also considered, then the
957 * target backend's forced persistence rules are also evaluated last if any.
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200958 * It returns 1 if the processing can continue on next analysers, or zero if it
959 * either needs more data or wants to immediately abort the request.
960 */
Simon Hormandec5be42011-06-08 09:19:07 +0900961static int process_switching_rules(struct session *s, struct buffer *req, int an_bit)
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200962{
Cyril Bonté47fdd8e2010-04-25 00:00:51 +0200963 struct persist_rule *prst_rule;
Willy Tarreau4de91492010-01-22 19:10:05 +0100964
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200965 req->analysers &= ~an_bit;
966 req->analyse_exp = TICK_ETERNITY;
967
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100968 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 +0200969 now_ms, __FUNCTION__,
970 s,
971 req,
972 req->rex, req->wex,
973 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +0100974 req->i,
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200975 req->analysers);
976
977 /* now check whether we have some switching rules for this request */
978 if (!(s->flags & SN_BE_ASSIGNED)) {
979 struct switching_rule *rule;
980
981 list_for_each_entry(rule, &s->fe->switching_rules, list) {
982 int ret;
983
Willy Tarreau32a6f2e2012-04-25 10:13:36 +0200984 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 +0200985 ret = acl_pass(ret);
986 if (rule->cond->pol == ACL_COND_UNLESS)
987 ret = !ret;
988
989 if (ret) {
Willy Tarreaubedb9ba2009-07-12 08:27:39 +0200990 if (!session_set_backend(s, rule->be.backend))
991 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +0200992 break;
993 }
994 }
995
996 /* To ensure correct connection accounting on the backend, we
997 * have to assign one if it was not set (eg: a listen). This
998 * measure also takes care of correctly setting the default
999 * backend if any.
1000 */
1001 if (!(s->flags & SN_BE_ASSIGNED))
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001002 if (!session_set_backend(s, s->fe->defbe.be ? s->fe->defbe.be : s->be))
1003 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001004 }
1005
Willy Tarreaufb356202010-08-03 14:02:05 +02001006 /* we don't want to run the TCP or HTTP filters again if the backend has not changed */
1007 if (s->fe == s->be) {
1008 s->req->analysers &= ~AN_REQ_INSPECT_BE;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001009 s->req->analysers &= ~AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaufb356202010-08-03 14:02:05 +02001010 }
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001011
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001012 /* 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 +01001013 * persistence rule, and report that in the session.
1014 */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001015 list_for_each_entry(prst_rule, &s->be->persist_rules, list) {
Willy Tarreau4de91492010-01-22 19:10:05 +01001016 int ret = 1;
1017
1018 if (prst_rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001019 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 +01001020 ret = acl_pass(ret);
1021 if (prst_rule->cond->pol == ACL_COND_UNLESS)
1022 ret = !ret;
1023 }
1024
1025 if (ret) {
1026 /* no rule, or the rule matches */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001027 if (prst_rule->type == PERSIST_TYPE_FORCE) {
1028 s->flags |= SN_FORCE_PRST;
1029 } else {
1030 s->flags |= SN_IGNORE_PRST;
1031 }
Willy Tarreau4de91492010-01-22 19:10:05 +01001032 break;
1033 }
1034 }
1035
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001036 return 1;
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001037
1038 sw_failed:
1039 /* immediately abort this request in case of allocation failure */
1040 buffer_abort(s->req);
1041 buffer_abort(s->rep);
1042
1043 if (!(s->flags & SN_ERR_MASK))
1044 s->flags |= SN_ERR_RESOURCE;
1045 if (!(s->flags & SN_FINST_MASK))
1046 s->flags |= SN_FINST_R;
1047
1048 s->txn.status = 500;
1049 s->req->analysers = 0;
1050 s->req->analyse_exp = TICK_ETERNITY;
1051 return 0;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001052}
1053
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001054/* This stream analyser works on a request. It applies all use-server rules on
1055 * it then returns 1. The data must already be present in the buffer otherwise
1056 * they won't match. It always returns 1.
1057 */
1058static int process_server_rules(struct session *s, struct buffer *req, int an_bit)
1059{
1060 struct proxy *px = s->be;
1061 struct server_rule *rule;
1062
1063 DPRINTF(stderr,"[%u] %s: session=%p b=%p, exp(r,w)=%u,%u bf=%08x bl=%d analysers=%02x\n",
1064 now_ms, __FUNCTION__,
1065 s,
1066 req,
1067 req->rex, req->wex,
1068 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001069 req->i + req->o,
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001070 req->analysers);
1071
1072 if (!(s->flags & SN_ASSIGNED)) {
1073 list_for_each_entry(rule, &px->server_rules, list) {
1074 int ret;
1075
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001076 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 +02001077 ret = acl_pass(ret);
1078 if (rule->cond->pol == ACL_COND_UNLESS)
1079 ret = !ret;
1080
1081 if (ret) {
1082 struct server *srv = rule->srv.ptr;
1083
1084 if ((srv->state & SRV_RUNNING) ||
1085 (px->options & PR_O_PERSIST) ||
1086 (s->flags & SN_FORCE_PRST)) {
1087 s->flags |= SN_DIRECT | SN_ASSIGNED;
1088 set_target_server(&s->target, srv);
1089 break;
1090 }
1091 /* if the server is not UP, let's go on with next rules
1092 * just in case another one is suited.
1093 */
1094 }
1095 }
1096 }
1097
1098 req->analysers &= ~an_bit;
1099 req->analyse_exp = TICK_ETERNITY;
1100 return 1;
1101}
1102
Emeric Brun1d33b292010-01-04 15:47:17 +01001103/* This stream analyser works on a request. It applies all sticking rules on
1104 * it then returns 1. The data must already be present in the buffer otherwise
1105 * they won't match. It always returns 1.
1106 */
Simon Hormandec5be42011-06-08 09:19:07 +09001107static int process_sticking_rules(struct session *s, struct buffer *req, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001108{
1109 struct proxy *px = s->be;
1110 struct sticking_rule *rule;
1111
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001112 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 +01001113 now_ms, __FUNCTION__,
1114 s,
1115 req,
1116 req->rex, req->wex,
1117 req->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001118 req->i,
Emeric Brun1d33b292010-01-04 15:47:17 +01001119 req->analysers);
1120
1121 list_for_each_entry(rule, &px->sticking_rules, list) {
1122 int ret = 1 ;
1123 int i;
1124
1125 for (i = 0; i < s->store_count; i++) {
1126 if (rule->table.t == s->store[i].table)
1127 break;
1128 }
1129
1130 if (i != s->store_count)
1131 continue;
1132
1133 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001134 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001135 ret = acl_pass(ret);
1136 if (rule->cond->pol == ACL_COND_UNLESS)
1137 ret = !ret;
1138 }
1139
1140 if (ret) {
1141 struct stktable_key *key;
1142
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001143 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 +01001144 if (!key)
1145 continue;
1146
1147 if (rule->flags & STK_IS_MATCH) {
1148 struct stksess *ts;
1149
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001150 if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001151 if (!(s->flags & SN_ASSIGNED)) {
1152 struct eb32_node *node;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001153 void *ptr;
Emeric Brun1d33b292010-01-04 15:47:17 +01001154
1155 /* srv found in table */
Willy Tarreau13c29de2010-06-06 16:40:39 +02001156 ptr = stktable_data_ptr(rule->table.t, ts, STKTABLE_DT_SERVER_ID);
1157 node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id));
Emeric Brun1d33b292010-01-04 15:47:17 +01001158 if (node) {
1159 struct server *srv;
1160
1161 srv = container_of(node, struct server, conf.id);
Willy Tarreau4de91492010-01-22 19:10:05 +01001162 if ((srv->state & SRV_RUNNING) ||
1163 (px->options & PR_O_PERSIST) ||
1164 (s->flags & SN_FORCE_PRST)) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001165 s->flags |= SN_DIRECT | SN_ASSIGNED;
Willy Tarreau9e000c62011-03-10 14:03:36 +01001166 set_target_server(&s->target, srv);
Emeric Brun1d33b292010-01-04 15:47:17 +01001167 }
1168 }
1169 }
Emeric Brun85e77c72010-09-23 18:16:52 +02001170 stktable_touch(rule->table.t, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001171 }
1172 }
1173 if (rule->flags & STK_IS_STORE) {
1174 if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1175 struct stksess *ts;
1176
1177 ts = stksess_new(rule->table.t, key);
1178 if (ts) {
1179 s->store[s->store_count].table = rule->table.t;
1180 s->store[s->store_count++].ts = ts;
1181 }
1182 }
1183 }
1184 }
1185 }
1186
1187 req->analysers &= ~an_bit;
1188 req->analyse_exp = TICK_ETERNITY;
1189 return 1;
1190}
1191
1192/* This stream analyser works on a response. It applies all store rules on it
1193 * then returns 1. The data must already be present in the buffer otherwise
1194 * they won't match. It always returns 1.
1195 */
Simon Hormandec5be42011-06-08 09:19:07 +09001196static int process_store_rules(struct session *s, struct buffer *rep, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001197{
1198 struct proxy *px = s->be;
1199 struct sticking_rule *rule;
1200 int i;
1201
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001202 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 +01001203 now_ms, __FUNCTION__,
1204 s,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001205 rep,
1206 rep->rex, rep->wex,
1207 rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001208 rep->i,
Willy Tarreau2e2b3eb2010-02-09 20:55:44 +01001209 rep->analysers);
Emeric Brun1d33b292010-01-04 15:47:17 +01001210
1211 list_for_each_entry(rule, &px->storersp_rules, list) {
1212 int ret = 1 ;
1213 int storereqidx = -1;
1214
1215 for (i = 0; i < s->store_count; i++) {
1216 if (rule->table.t == s->store[i].table) {
1217 if (!(s->store[i].flags))
1218 storereqidx = i;
1219 break;
1220 }
1221 }
1222
1223 if ((i != s->store_count) && (storereqidx == -1))
1224 continue;
1225
1226 if (rule->cond) {
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001227 ret = acl_exec_cond(rule->cond, px, s, &s->txn, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001228 ret = acl_pass(ret);
1229 if (rule->cond->pol == ACL_COND_UNLESS)
1230 ret = !ret;
1231 }
1232
1233 if (ret) {
1234 struct stktable_key *key;
1235
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02001236 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 +01001237 if (!key)
1238 continue;
1239
1240 if (storereqidx != -1) {
Willy Tarreau393379c2010-06-06 12:11:37 +02001241 stksess_setkey(s->store[storereqidx].table, s->store[storereqidx].ts, key);
Emeric Brun1d33b292010-01-04 15:47:17 +01001242 s->store[storereqidx].flags = 1;
1243 }
1244 else if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1245 struct stksess *ts;
1246
1247 ts = stksess_new(rule->table.t, key);
1248 if (ts) {
1249 s->store[s->store_count].table = rule->table.t;
1250 s->store[s->store_count].flags = 1;
1251 s->store[s->store_count++].ts = ts;
1252 }
1253 }
1254 }
1255 }
1256
1257 /* process store request and store response */
1258 for (i = 0; i < s->store_count; i++) {
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001259 struct stksess *ts;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001260 void *ptr;
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001261
Simon Hormanfa461682011-06-25 09:39:49 +09001262 if (target_srv(&s->target) && target_srv(&s->target)->state & SRV_NON_STICK) {
1263 stksess_free(s->store[i].table, s->store[i].ts);
1264 s->store[i].ts = NULL;
1265 continue;
1266 }
1267
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001268 ts = stktable_lookup(s->store[i].table, s->store[i].ts);
1269 if (ts) {
1270 /* the entry already existed, we can free ours */
Emeric Brun85e77c72010-09-23 18:16:52 +02001271 stktable_touch(s->store[i].table, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001272 stksess_free(s->store[i].table, s->store[i].ts);
Emeric Brun1d33b292010-01-04 15:47:17 +01001273 }
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001274 else
Emeric Brun85e77c72010-09-23 18:16:52 +02001275 ts = stktable_store(s->store[i].table, s->store[i].ts, 1);
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001276
1277 s->store[i].ts = NULL;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001278 ptr = stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_ID);
Willy Tarreau827aee92011-03-10 16:55:02 +01001279 stktable_data_cast(ptr, server_id) = target_srv(&s->target)->puid;
Emeric Brun1d33b292010-01-04 15:47:17 +01001280 }
Willy Tarreau2a164ee2010-06-18 09:57:45 +02001281 s->store_count = 0; /* everything is stored */
Emeric Brun1d33b292010-01-04 15:47:17 +01001282
1283 rep->analysers &= ~an_bit;
1284 rep->analyse_exp = TICK_ETERNITY;
1285 return 1;
1286}
1287
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001288/* This macro is very specific to the function below. See the comments in
1289 * process_session() below to understand the logic and the tests.
1290 */
1291#define UPDATE_ANALYSERS(real, list, back, flag) { \
1292 list = (((list) & ~(flag)) | ~(back)) & (real); \
1293 back = real; \
1294 if (!(list)) \
1295 break; \
1296 if (((list) ^ ((list) & ((list) - 1))) < (flag)) \
1297 continue; \
1298}
1299
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001300/* Processes the client, server, request and response jobs of a session task,
1301 * then puts it back to the wait queue in a clean state, or cleans up its
1302 * resources if it must be deleted. Returns in <next> the date the task wants
1303 * to be woken up, or TICK_ETERNITY. In order not to call all functions for
1304 * nothing too many times, the request and response buffers flags are monitored
1305 * and each function is called only if at least another function has changed at
1306 * least one flag it is interested in.
1307 */
Willy Tarreau26c25062009-03-08 09:38:41 +01001308struct task *process_session(struct task *t)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001309{
Willy Tarreau827aee92011-03-10 16:55:02 +01001310 struct server *srv;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001311 struct session *s = t->context;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001312 unsigned int rqf_last, rpf_last;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001313 unsigned int rq_prod_last, rq_cons_last;
1314 unsigned int rp_cons_last, rp_prod_last;
Willy Tarreau576507f2010-01-07 00:09:04 +01001315 unsigned int req_ana_back;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001316
1317 //DPRINTF(stderr, "%s:%d: cs=%d ss=%d(%d) rqf=0x%08x rpf=0x%08x\n", __FUNCTION__, __LINE__,
1318 // s->si[0].state, s->si[1].state, s->si[1].err_type, s->req->flags, s->rep->flags);
1319
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01001320 /* this data may be no longer valid, clear it */
1321 memset(&s->txn.auth, 0, sizeof(s->txn.auth));
1322
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001323 /* This flag must explicitly be set every time */
1324 s->req->flags &= ~BF_READ_NOEXP;
1325
1326 /* Keep a copy of req/rep flags so that we can detect shutdowns */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001327 rqf_last = s->req->flags & ~BF_MASK_ANALYSER;
1328 rpf_last = s->rep->flags & ~BF_MASK_ANALYSER;
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001329
Willy Tarreau89f7ef22009-09-05 20:57:35 +02001330 /* we don't want the stream interface functions to recursively wake us up */
1331 if (s->req->prod->owner == t)
1332 s->req->prod->flags |= SI_FL_DONT_WAKE;
1333 if (s->req->cons->owner == t)
1334 s->req->cons->flags |= SI_FL_DONT_WAKE;
1335
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001336 /* 1a: Check for low level timeouts if needed. We just set a flag on
1337 * stream interfaces when their timeouts have expired.
1338 */
1339 if (unlikely(t->state & TASK_WOKEN_TIMER)) {
1340 stream_int_check_timeouts(&s->si[0]);
1341 stream_int_check_timeouts(&s->si[1]);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001342
1343 /* check buffer timeouts, and close the corresponding stream interfaces
1344 * for future reads or writes. Note: this will also concern upper layers
1345 * but we do not touch any other flag. We must be careful and correctly
1346 * detect state changes when calling them.
1347 */
1348
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001349 buffer_check_timeouts(s->req);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001350
Willy Tarreau14641402009-12-29 14:49:56 +01001351 if (unlikely((s->req->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1352 s->req->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau060781f2012-05-07 16:50:03 +02001353 s->req->cons->sock.shutw(s->req->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001354 }
1355
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001356 if (unlikely((s->req->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT))
Willy Tarreau060781f2012-05-07 16:50:03 +02001357 s->req->prod->sock.shutr(s->req->prod);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001358
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001359 buffer_check_timeouts(s->rep);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001360
Willy Tarreau14641402009-12-29 14:49:56 +01001361 if (unlikely((s->rep->flags & (BF_SHUTW|BF_WRITE_TIMEOUT)) == BF_WRITE_TIMEOUT)) {
1362 s->rep->cons->flags |= SI_FL_NOLINGER;
Willy Tarreau060781f2012-05-07 16:50:03 +02001363 s->rep->cons->sock.shutw(s->rep->cons);
Willy Tarreau14641402009-12-29 14:49:56 +01001364 }
1365
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001366 if (unlikely((s->rep->flags & (BF_SHUTR|BF_READ_TIMEOUT)) == BF_READ_TIMEOUT))
Willy Tarreau060781f2012-05-07 16:50:03 +02001367 s->rep->prod->sock.shutr(s->rep->prod);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001368 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001369
1370 /* 1b: check for low-level errors reported at the stream interface.
1371 * First we check if it's a retryable error (in which case we don't
1372 * want to tell the buffer). Otherwise we report the error one level
1373 * upper by setting flags into the buffers. Note that the side towards
1374 * the client cannot have connect (hence retryable) errors. Also, the
1375 * connection setup code must be able to deal with any type of abort.
1376 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001377 srv = target_srv(&s->target);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001378 if (unlikely(s->si[0].flags & SI_FL_ERR)) {
1379 if (s->si[0].state == SI_ST_EST || s->si[0].state == SI_ST_DIS) {
Willy Tarreau060781f2012-05-07 16:50:03 +02001380 s->si[0].sock.shutr(&s->si[0]);
1381 s->si[0].sock.shutw(&s->si[0]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001382 stream_int_report_error(&s->si[0]);
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001383 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001384 s->be->be_counters.cli_aborts++;
1385 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001386 if (srv)
1387 srv->counters.cli_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001388 if (!(s->flags & SN_ERR_MASK))
1389 s->flags |= SN_ERR_CLICL;
1390 if (!(s->flags & SN_FINST_MASK))
1391 s->flags |= SN_FINST_D;
1392 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001393 }
1394 }
1395
1396 if (unlikely(s->si[1].flags & SI_FL_ERR)) {
1397 if (s->si[1].state == SI_ST_EST || s->si[1].state == SI_ST_DIS) {
Willy Tarreau060781f2012-05-07 16:50:03 +02001398 s->si[1].sock.shutr(&s->si[1]);
1399 s->si[1].sock.shutw(&s->si[1]);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001400 stream_int_report_error(&s->si[1]);
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001401 s->be->be_counters.failed_resp++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001402 if (srv)
1403 srv->counters.failed_resp++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001404 if (!(s->req->analysers) && !(s->rep->analysers)) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001405 s->be->be_counters.srv_aborts++;
1406 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001407 if (srv)
1408 srv->counters.srv_aborts++;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001409 if (!(s->flags & SN_ERR_MASK))
1410 s->flags |= SN_ERR_SRVCL;
1411 if (!(s->flags & SN_FINST_MASK))
1412 s->flags |= SN_FINST_D;
1413 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001414 }
1415 /* note: maybe we should process connection errors here ? */
1416 }
1417
1418 if (s->si[1].state == SI_ST_CON) {
1419 /* we were trying to establish a connection on the server side,
1420 * maybe it succeeded, maybe it failed, maybe we timed out, ...
1421 */
1422 if (unlikely(!sess_update_st_con_tcp(s, &s->si[1])))
1423 sess_update_st_cer(s, &s->si[1]);
1424 else if (s->si[1].state == SI_ST_EST)
1425 sess_establish(s, &s->si[1]);
1426
1427 /* state is now one of SI_ST_CON (still in progress), SI_ST_EST
1428 * (established), SI_ST_DIS (abort), SI_ST_CLO (last error),
1429 * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors.
1430 */
1431 }
1432
Willy Tarreau815a9b22010-07-27 17:15:12 +02001433 rq_prod_last = s->si[0].state;
1434 rq_cons_last = s->si[1].state;
1435 rp_cons_last = s->si[0].state;
1436 rp_prod_last = s->si[1].state;
1437
1438 resync_stream_interface:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001439 /* Check for connection closure */
1440
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001441 DPRINTF(stderr,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001442 "[%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 +01001443 now_ms, __FUNCTION__, __LINE__,
1444 t,
1445 s, s->flags,
1446 s->req, s->rep,
1447 s->req->rex, s->rep->wex,
1448 s->req->flags, s->rep->flags,
Willy Tarreau02d6cfc2012-03-01 18:19:58 +01001449 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 +01001450 s->rep->cons->err_type, s->req->cons->err_type,
Willy Tarreauee28de02010-06-01 09:51:00 +02001451 s->req->cons->conn_retries);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001452
1453 /* nothing special to be done on client side */
1454 if (unlikely(s->req->prod->state == SI_ST_DIS))
1455 s->req->prod->state = SI_ST_CLO;
1456
1457 /* When a server-side connection is released, we have to count it and
1458 * check for pending connections on this server.
1459 */
1460 if (unlikely(s->req->cons->state == SI_ST_DIS)) {
1461 s->req->cons->state = SI_ST_CLO;
Willy Tarreau827aee92011-03-10 16:55:02 +01001462 srv = target_srv(&s->target);
1463 if (srv) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001464 if (s->flags & SN_CURR_SESS) {
1465 s->flags &= ~SN_CURR_SESS;
Willy Tarreau827aee92011-03-10 16:55:02 +01001466 srv->cur_sess--;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001467 }
1468 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +01001469 if (may_dequeue_tasks(srv, s->be))
1470 process_srv_queue(srv);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001471 }
1472 }
1473
1474 /*
1475 * Note: of the transient states (REQ, CER, DIS), only REQ may remain
1476 * at this point.
1477 */
1478
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001479 resync_request:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001480 /* Analyse request */
Willy Tarreau2f976e12010-11-11 14:28:47 +01001481 if (((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001482 ((s->req->flags ^ rqf_last) & BF_MASK_STATIC) ||
1483 s->si[0].state != rq_prod_last ||
1484 s->si[1].state != rq_cons_last) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001485 unsigned int flags = s->req->flags;
1486
1487 if (s->req->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001488 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001489 unsigned int ana_list;
1490 unsigned int ana_back;
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001491
Willy Tarreau90deb182010-01-07 00:20:41 +01001492 /* it's up to the analysers to stop new connections,
1493 * disable reading or closing. Note: if an analyser
1494 * disables any of these bits, it is responsible for
1495 * enabling them again when it disables itself, so
1496 * that other analysers are called in similar conditions.
1497 */
1498 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001499 buffer_auto_connect(s->req);
1500 buffer_auto_close(s->req);
Willy Tarreauedcf6682008-11-30 23:15:34 +01001501
1502 /* We will call all analysers for which a bit is set in
1503 * s->req->analysers, following the bit order from LSB
1504 * to MSB. The analysers must remove themselves from
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001505 * the list when not needed. Any analyser may return 0
1506 * to break out of the loop, either because of missing
1507 * data to take a decision, or because it decides to
1508 * kill the session. We loop at least once through each
1509 * analyser, and we may loop again if other analysers
1510 * are added in the middle.
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001511 *
1512 * We build a list of analysers to run. We evaluate all
1513 * of these analysers in the order of the lower bit to
1514 * the higher bit. This ordering is very important.
1515 * An analyser will often add/remove other analysers,
1516 * including itself. Any changes to itself have no effect
1517 * on the loop. If it removes any other analysers, we
1518 * want those analysers not to be called anymore during
1519 * this loop. If it adds an analyser that is located
1520 * after itself, we want it to be scheduled for being
1521 * processed during the loop. If it adds an analyser
1522 * which is located before it, we want it to switch to
1523 * it immediately, even if it has already been called
1524 * once but removed since.
1525 *
1526 * In order to achieve this, we compare the analyser
1527 * list after the call with a copy of it before the
1528 * call. The work list is fed with analyser bits that
1529 * appeared during the call. Then we compare previous
1530 * work list with the new one, and check the bits that
1531 * appeared. If the lowest of these bits is lower than
1532 * the current bit, it means we have enabled a previous
1533 * analyser and must immediately loop again.
Willy Tarreauedcf6682008-11-30 23:15:34 +01001534 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001535
1536 ana_list = ana_back = s->req->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001537 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001538 /* Warning! ensure that analysers are always placed in ascending order! */
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001539
Willy Tarreau3041b9f2010-10-15 23:25:20 +02001540 if (ana_list & AN_REQ_DECODE_PROXY) {
1541 if (!frontend_decode_proxy_request(s, s->req, AN_REQ_DECODE_PROXY))
1542 break;
1543 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_DECODE_PROXY);
1544 }
1545
Willy Tarreaufb356202010-08-03 14:02:05 +02001546 if (ana_list & AN_REQ_INSPECT_FE) {
1547 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_FE))
Willy Tarreauedcf6682008-11-30 23:15:34 +01001548 break;
Willy Tarreaufb356202010-08-03 14:02:05 +02001549 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_FE);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001550 }
Willy Tarreauedcf6682008-11-30 23:15:34 +01001551
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001552 if (ana_list & AN_REQ_WAIT_HTTP) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001553 if (!http_wait_for_request(s, s->req, AN_REQ_WAIT_HTTP))
Willy Tarreaud787e662009-07-07 10:14:51 +02001554 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001555 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_WAIT_HTTP);
Willy Tarreaud787e662009-07-07 10:14:51 +02001556 }
1557
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001558 if (ana_list & AN_REQ_HTTP_PROCESS_FE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001559 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_FE, s->fe))
1560 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001561 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001562 }
1563
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001564 if (ana_list & AN_REQ_SWITCHING_RULES) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001565 if (!process_switching_rules(s, s->req, AN_REQ_SWITCHING_RULES))
1566 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001567 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SWITCHING_RULES);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001568 }
1569
Willy Tarreaufb356202010-08-03 14:02:05 +02001570 if (ana_list & AN_REQ_INSPECT_BE) {
1571 if (!tcp_inspect_request(s, s->req, AN_REQ_INSPECT_BE))
1572 break;
1573 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_INSPECT_BE);
1574 }
1575
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001576 if (ana_list & AN_REQ_HTTP_PROCESS_BE) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001577 if (!http_process_req_common(s, s->req, AN_REQ_HTTP_PROCESS_BE, s->be))
1578 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001579 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001580 }
1581
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001582 if (ana_list & AN_REQ_HTTP_TARPIT) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001583 if (!http_process_tarpit(s, s->req, AN_REQ_HTTP_TARPIT))
Willy Tarreau60b85b02008-11-30 23:28:40 +01001584 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001585 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_TARPIT);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001586 }
Willy Tarreau60b85b02008-11-30 23:28:40 +01001587
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001588 if (ana_list & AN_REQ_SRV_RULES) {
1589 if (!process_server_rules(s, s->req, AN_REQ_SRV_RULES))
1590 break;
1591 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_SRV_RULES);
1592 }
1593
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001594 if (ana_list & AN_REQ_HTTP_INNER) {
Willy Tarreauc465fd72009-08-31 00:17:18 +02001595 if (!http_process_request(s, s->req, AN_REQ_HTTP_INNER))
1596 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001597 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_INNER);
Willy Tarreauc465fd72009-08-31 00:17:18 +02001598 }
1599
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001600 if (ana_list & AN_REQ_HTTP_BODY) {
Willy Tarreau3a816292009-07-07 10:55:49 +02001601 if (!http_process_request_body(s, s->req, AN_REQ_HTTP_BODY))
Willy Tarreaud34af782008-11-30 23:36:37 +01001602 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001603 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_BODY);
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001604 }
Emeric Brun647caf12009-06-30 17:57:00 +02001605
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001606 if (ana_list & AN_REQ_PRST_RDP_COOKIE) {
Emeric Brun647caf12009-06-30 17:57:00 +02001607 if (!tcp_persist_rdp_cookie(s, s->req, AN_REQ_PRST_RDP_COOKIE))
1608 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001609 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE);
Emeric Brun647caf12009-06-30 17:57:00 +02001610 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001611
Emeric Brun1d33b292010-01-04 15:47:17 +01001612 if (ana_list & AN_REQ_STICKING_RULES) {
1613 if (!process_sticking_rules(s, s->req, AN_REQ_STICKING_RULES))
1614 break;
1615 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_STICKING_RULES);
1616 }
1617
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001618 if (ana_list & AN_REQ_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001619 if (!http_request_forward_body(s, s->req, AN_REQ_HTTP_XFER_BODY))
1620 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001621 UPDATE_ANALYSERS(s->req->analysers, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001622 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001623 break;
1624 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001625 }
Willy Tarreau84455332009-03-15 22:34:05 +01001626
Willy Tarreau815a9b22010-07-27 17:15:12 +02001627 rq_prod_last = s->si[0].state;
1628 rq_cons_last = s->si[1].state;
Willy Tarreau0499e352010-12-17 07:13:42 +01001629 s->req->flags &= ~BF_WAKE_ONCE;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001630 rqf_last = s->req->flags;
1631
1632 if ((s->req->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001633 goto resync_request;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001634 }
1635
Willy Tarreau576507f2010-01-07 00:09:04 +01001636 /* we'll monitor the request analysers while parsing the response,
1637 * because some response analysers may indirectly enable new request
1638 * analysers (eg: HTTP keep-alive).
1639 */
1640 req_ana_back = s->req->analysers;
1641
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001642 resync_response:
1643 /* Analyse response */
1644
1645 if (unlikely(s->rep->flags & BF_HIJACK)) {
1646 /* In inject mode, we wake up everytime something has
1647 * happened on the write side of the buffer.
1648 */
1649 unsigned int flags = s->rep->flags;
1650
1651 if ((s->rep->flags & (BF_WRITE_PARTIAL|BF_WRITE_ERROR|BF_SHUTW)) &&
1652 !(s->rep->flags & BF_FULL)) {
1653 s->rep->hijacker(s, s->rep);
1654 }
1655
1656 if ((s->rep->flags ^ flags) & BF_MASK_STATIC) {
1657 rpf_last = s->rep->flags;
1658 goto resync_response;
1659 }
1660 }
Willy Tarreau2f976e12010-11-11 14:28:47 +01001661 else if (((s->rep->flags & ~rpf_last) & BF_MASK_ANALYSER) ||
Willy Tarreau815a9b22010-07-27 17:15:12 +02001662 (s->rep->flags ^ rpf_last) & BF_MASK_STATIC ||
1663 s->si[0].state != rp_cons_last ||
1664 s->si[1].state != rp_prod_last) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001665 unsigned int flags = s->rep->flags;
1666
Willy Tarreau0499e352010-12-17 07:13:42 +01001667 if ((s->rep->flags & BF_MASK_ANALYSER) &&
1668 (s->rep->analysers & AN_REQ_WAIT_HTTP)) {
1669 /* Due to HTTP pipelining, the HTTP request analyser might be waiting
1670 * for some free space in the response buffer, so we might need to call
1671 * it when something changes in the response buffer, but still we pass
1672 * it the request buffer. Note that the SI state might very well still
1673 * be zero due to us returning a flow of redirects!
1674 */
1675 s->rep->analysers &= ~AN_REQ_WAIT_HTTP;
1676 s->req->flags |= BF_WAKE_ONCE;
1677 }
1678
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001679 if (s->rep->prod->state >= SI_ST_EST) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001680 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001681 unsigned int ana_list;
1682 unsigned int ana_back;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001683
Willy Tarreau90deb182010-01-07 00:20:41 +01001684 /* it's up to the analysers to stop disable reading or
1685 * closing. Note: if an analyser disables any of these
1686 * bits, it is responsible for enabling them again when
1687 * it disables itself, so that other analysers are called
1688 * in similar conditions.
1689 */
1690 buffer_auto_read(s->rep);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001691 buffer_auto_close(s->rep);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001692
1693 /* We will call all analysers for which a bit is set in
1694 * s->rep->analysers, following the bit order from LSB
1695 * to MSB. The analysers must remove themselves from
1696 * the list when not needed. Any analyser may return 0
1697 * to break out of the loop, either because of missing
1698 * data to take a decision, or because it decides to
1699 * kill the session. We loop at least once through each
1700 * analyser, and we may loop again if other analysers
1701 * are added in the middle.
1702 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001703
1704 ana_list = ana_back = s->rep->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001705 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001706 /* Warning! ensure that analysers are always placed in ascending order! */
1707
Emeric Brun97679e72010-09-23 17:56:44 +02001708 if (ana_list & AN_RES_INSPECT) {
1709 if (!tcp_inspect_response(s, s->rep, AN_RES_INSPECT))
1710 break;
1711 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_INSPECT);
1712 }
1713
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001714 if (ana_list & AN_RES_WAIT_HTTP) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001715 if (!http_wait_for_response(s, s->rep, AN_RES_WAIT_HTTP))
1716 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001717 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_WAIT_HTTP);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001718 }
1719
Emeric Brun1d33b292010-01-04 15:47:17 +01001720 if (ana_list & AN_RES_STORE_RULES) {
1721 if (!process_store_rules(s, s->rep, AN_RES_STORE_RULES))
1722 break;
1723 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_STORE_RULES);
1724 }
1725
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001726 if (ana_list & AN_RES_HTTP_PROCESS_BE) {
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001727 if (!http_process_res_common(s, s->rep, AN_RES_HTTP_PROCESS_BE, s->be))
1728 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001729 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001730 }
Willy Tarreaud98cf932009-12-27 22:54:55 +01001731
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001732 if (ana_list & AN_RES_HTTP_XFER_BODY) {
Willy Tarreaud98cf932009-12-27 22:54:55 +01001733 if (!http_response_forward_body(s, s->rep, AN_RES_HTTP_XFER_BODY))
1734 break;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001735 UPDATE_ANALYSERS(s->rep->analysers, ana_list, ana_back, AN_RES_HTTP_XFER_BODY);
Willy Tarreaud98cf932009-12-27 22:54:55 +01001736 }
Willy Tarreaue34070e2010-01-08 00:32:27 +01001737 break;
1738 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001739 }
1740
Willy Tarreau815a9b22010-07-27 17:15:12 +02001741 rp_cons_last = s->si[0].state;
1742 rp_prod_last = s->si[1].state;
1743 rpf_last = s->rep->flags;
1744
1745 if ((s->rep->flags ^ flags) & BF_MASK_STATIC)
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001746 goto resync_response;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001747 }
1748
Willy Tarreau576507f2010-01-07 00:09:04 +01001749 /* maybe someone has added some request analysers, so we must check and loop */
1750 if (s->req->analysers & ~req_ana_back)
1751 goto resync_request;
1752
Willy Tarreau0499e352010-12-17 07:13:42 +01001753 if ((s->req->flags & ~rqf_last) & BF_MASK_ANALYSER)
1754 goto resync_request;
1755
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001756 /* FIXME: here we should call protocol handlers which rely on
1757 * both buffers.
1758 */
1759
1760
1761 /*
Willy Tarreauae526782010-03-04 20:34:23 +01001762 * Now we propagate unhandled errors to the session. Normally
1763 * we're just in a data phase here since it means we have not
1764 * seen any analyser who could set an error status.
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001765 */
Willy Tarreau827aee92011-03-10 16:55:02 +01001766 srv = target_srv(&s->target);
Willy Tarreau2f976e12010-11-11 14:28:47 +01001767 if (unlikely(!(s->flags & SN_ERR_MASK))) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001768 if (s->req->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1769 /* Report it if the client got an error or a read timeout expired */
Willy Tarreau84455332009-03-15 22:34:05 +01001770 s->req->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001771 if (s->req->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001772 s->be->be_counters.cli_aborts++;
1773 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001774 if (srv)
1775 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001776 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001777 }
1778 else if (s->req->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001779 s->be->be_counters.cli_aborts++;
1780 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001781 if (srv)
1782 srv->counters.cli_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001783 s->flags |= SN_ERR_CLITO;
Willy Tarreauae526782010-03-04 20:34:23 +01001784 }
1785 else if (s->req->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001786 s->be->be_counters.srv_aborts++;
1787 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001788 if (srv)
1789 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001790 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001791 }
1792 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001793 s->be->be_counters.srv_aborts++;
1794 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001795 if (srv)
1796 srv->counters.srv_aborts++;
Willy Tarreau84455332009-03-15 22:34:05 +01001797 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001798 }
Willy Tarreau84455332009-03-15 22:34:05 +01001799 sess_set_term_flags(s);
1800 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001801 else if (s->rep->flags & (BF_READ_ERROR|BF_READ_TIMEOUT|BF_WRITE_ERROR|BF_WRITE_TIMEOUT)) {
1802 /* Report it if the server got an error or a read timeout expired */
1803 s->rep->analysers = 0;
Willy Tarreauae526782010-03-04 20:34:23 +01001804 if (s->rep->flags & BF_READ_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001805 s->be->be_counters.srv_aborts++;
1806 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001807 if (srv)
1808 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001809 s->flags |= SN_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01001810 }
1811 else if (s->rep->flags & BF_READ_TIMEOUT) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001812 s->be->be_counters.srv_aborts++;
1813 s->fe->fe_counters.srv_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001814 if (srv)
1815 srv->counters.srv_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001816 s->flags |= SN_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01001817 }
1818 else if (s->rep->flags & BF_WRITE_ERROR) {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001819 s->be->be_counters.cli_aborts++;
1820 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001821 if (srv)
1822 srv->counters.cli_aborts++;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001823 s->flags |= SN_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01001824 }
1825 else {
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01001826 s->be->be_counters.cli_aborts++;
1827 s->fe->fe_counters.cli_aborts++;
Willy Tarreau827aee92011-03-10 16:55:02 +01001828 if (srv)
1829 srv->counters.cli_aborts++;
Willy Tarreauae526782010-03-04 20:34:23 +01001830 s->flags |= SN_ERR_CLITO;
1831 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001832 sess_set_term_flags(s);
1833 }
Willy Tarreau84455332009-03-15 22:34:05 +01001834 }
1835
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001836 /*
1837 * Here we take care of forwarding unhandled data. This also includes
1838 * connection establishments and shutdown requests.
1839 */
1840
1841
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001842 /* If noone is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02001843 * everything. We configure the buffer to forward indefinitely.
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001844 * Note that we're checking BF_SHUTR_NOW as an indication of a possible
1845 * recent call to buffer_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001846 */
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001847 if (!s->req->analysers &&
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001848 !(s->req->flags & (BF_HIJACK|BF_SHUTW|BF_SHUTR_NOW)) &&
Willy Tarreau31971e52009-09-20 12:07:52 +02001849 (s->req->prod->state >= SI_ST_EST) &&
1850 (s->req->to_forward != BUF_INFINITE_FORWARD)) {
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001851 /* This buffer is freewheeling, there's no analyser nor hijacker
1852 * attached to it. If any data are left in, we'll permit them to
1853 * move.
1854 */
Willy Tarreau90deb182010-01-07 00:20:41 +01001855 buffer_auto_read(s->req);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001856 buffer_auto_connect(s->req);
1857 buffer_auto_close(s->req);
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001858 buffer_flush(s->req);
Willy Tarreau5bd8c372009-01-19 00:32:22 +01001859
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001860 /* We'll let data flow between the producer (if still connected)
1861 * to the consumer (which might possibly not be connected yet).
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001862 */
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001863 if (!(s->req->flags & (BF_SHUTR|BF_SHUTW_NOW)))
Willy Tarreau31971e52009-09-20 12:07:52 +02001864 buffer_forward(s->req, BUF_INFINITE_FORWARD);
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001865 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01001866
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001867 /* check if it is wise to enable kernel splicing to forward request data */
1868 if (!(s->req->flags & (BF_KERN_SPLICING|BF_SHUTR)) &&
1869 s->req->to_forward &&
1870 (global.tune.options & GTUNE_USE_SPLICE) &&
Willy Tarreaudc340a92009-06-28 23:10:19 +02001871 (s->si[0].flags & s->si[1].flags & SI_FL_CAP_SPLICE) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001872 (pipes_used < global.maxpipes) &&
1873 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) ||
1874 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
1875 (s->req->flags & BF_STREAMER_FAST)))) {
1876 s->req->flags |= BF_KERN_SPLICING;
1877 }
1878
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001879 /* reflect what the L7 analysers have seen last */
1880 rqf_last = s->req->flags;
1881
1882 /*
1883 * Now forward all shutdown requests between both sides of the buffer
1884 */
1885
Willy Tarreau520d95e2009-09-19 21:04:57 +02001886 /* first, let's check if the request buffer needs to shutdown(write), which may
1887 * happen either because the input is closed or because we want to force a close
Willy Tarreaue4599762010-03-21 23:25:09 +01001888 * once the server has begun to respond.
Willy Tarreau520d95e2009-09-19 21:04:57 +02001889 */
Willy Tarreau82eeaf22009-12-29 12:09:05 +01001890 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_HIJACK|BF_AUTO_CLOSE|BF_SHUTR)) ==
Willy Tarreaue4599762010-03-21 23:25:09 +01001891 (BF_AUTO_CLOSE|BF_SHUTR)))
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001892 buffer_shutw_now(s->req);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001893
1894 /* shutdown(write) pending */
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001895 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_OUT_EMPTY)) == (BF_SHUTW_NOW|BF_OUT_EMPTY)))
Willy Tarreau060781f2012-05-07 16:50:03 +02001896 s->req->cons->sock.shutw(s->req->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001897
1898 /* shutdown(write) done on server side, we must stop the client too */
Willy Tarreau3dbc6942008-12-07 13:05:04 +01001899 if (unlikely((s->req->flags & (BF_SHUTW|BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTW &&
1900 !s->req->analysers))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001901 buffer_shutr_now(s->req);
1902
1903 /* shutdown(read) pending */
1904 if (unlikely((s->req->flags & (BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTR_NOW))
Willy Tarreau060781f2012-05-07 16:50:03 +02001905 s->req->prod->sock.shutr(s->req->prod);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001906
Willy Tarreau520d95e2009-09-19 21:04:57 +02001907 /* it's possible that an upper layer has requested a connection setup or abort.
1908 * There are 2 situations where we decide to establish a new connection :
1909 * - there are data scheduled for emission in the buffer
1910 * - the BF_AUTO_CONNECT flag is set (active connection)
1911 */
1912 if (s->req->cons->state == SI_ST_INI) {
Willy Tarreaue4599762010-03-21 23:25:09 +01001913 if (!(s->req->flags & BF_SHUTW)) {
Willy Tarreauba0b63d2009-09-20 08:09:44 +02001914 if ((s->req->flags & (BF_AUTO_CONNECT|BF_OUT_EMPTY)) != BF_OUT_EMPTY) {
Willy Tarreaub24281b2011-02-13 13:16:36 +01001915 /* If we have an applet without a connect method, we immediately
Willy Tarreau85e7d002010-05-31 11:57:51 +02001916 * switch to the connected state, otherwise we perform a connection
1917 * request.
Willy Tarreau520d95e2009-09-19 21:04:57 +02001918 */
Willy Tarreau85e7d002010-05-31 11:57:51 +02001919 s->req->cons->state = SI_ST_REQ; /* new connection requested */
Willy Tarreau070ceb62010-06-01 10:36:43 +02001920 s->req->cons->conn_retries = s->be->conn_retries;
Willy Tarreau26d8c592012-05-07 18:12:14 +02001921 if (unlikely(s->req->cons->target.type == TARG_TYPE_APPLET &&
1922 !(s->req->cons->proto && s->req->cons->proto->connect))) {
Willy Tarreau520d95e2009-09-19 21:04:57 +02001923 s->req->cons->state = SI_ST_EST; /* connection established */
Willy Tarreau85e7d002010-05-31 11:57:51 +02001924 s->rep->flags |= BF_READ_ATTACHED; /* producer is now attached */
1925 s->req->wex = TICK_ETERNITY;
1926 }
Willy Tarreau520d95e2009-09-19 21:04:57 +02001927 }
Willy Tarreau73201222009-08-16 18:27:24 +02001928 }
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02001929 else {
Willy Tarreau92795622009-03-06 12:51:23 +01001930 s->req->cons->state = SI_ST_CLO; /* shutw+ini = abort */
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02001931 buffer_shutw_now(s->req); /* fix buffer flags upon abort */
1932 buffer_shutr_now(s->rep);
1933 }
Willy Tarreau92795622009-03-06 12:51:23 +01001934 }
1935
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001936
1937 /* we may have a pending connection request, or a connection waiting
1938 * for completion.
1939 */
1940 if (s->si[1].state >= SI_ST_REQ && s->si[1].state < SI_ST_CON) {
1941 do {
1942 /* nb: step 1 might switch from QUE to ASS, but we first want
1943 * to give a chance to step 2 to perform a redirect if needed.
1944 */
1945 if (s->si[1].state != SI_ST_REQ)
1946 sess_update_stream_int(s, &s->si[1]);
1947 if (s->si[1].state == SI_ST_REQ)
1948 sess_prepare_conn_req(s, &s->si[1]);
1949
Willy Tarreau827aee92011-03-10 16:55:02 +01001950 srv = target_srv(&s->target);
1951 if (s->si[1].state == SI_ST_ASS && srv && srv->rdr_len && (s->flags & SN_REDIRECTABLE))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001952 perform_http_redirect(s, &s->si[1]);
1953 } while (s->si[1].state == SI_ST_ASS);
Mark Lamourinec2247f02012-01-04 13:02:01 -05001954
1955 /* Now we can add the server name to a header (if requested) */
1956 /* check for HTTP mode and proxy server_name_hdr_name != NULL */
Stathis Voukelatos09a030a2012-01-09 14:27:13 +01001957 if ((s->flags & SN_BE_ASSIGNED) &&
Willy Tarreau45c0d982012-03-09 12:11:57 +01001958 (s->be->mode == PR_MODE_HTTP) &&
1959 (s->be->server_id_hdr_name != NULL)) {
1960 http_send_name_header(&s->txn, s->be, target_srv(&s->target)->id);
Mark Lamourinec2247f02012-01-04 13:02:01 -05001961 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001962 }
1963
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001964 /* Benchmarks have shown that it's optimal to do a full resync now */
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001965 if (s->req->prod->state == SI_ST_DIS || s->req->cons->state == SI_ST_DIS)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001966 goto resync_stream_interface;
1967
Willy Tarreau815a9b22010-07-27 17:15:12 +02001968 /* otherwise we want to check if we need to resync the req buffer or not */
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001969 if ((s->req->flags ^ rqf_last) & BF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001970 goto resync_request;
1971
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001972 /* perform output updates to the response buffer */
Willy Tarreau84455332009-03-15 22:34:05 +01001973
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001974 /* If noone is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02001975 * everything. We configure the buffer to forward indefinitely.
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001976 * Note that we're checking BF_SHUTR_NOW as an indication of a possible
1977 * recent call to buffer_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001978 */
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001979 if (!s->rep->analysers &&
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001980 !(s->rep->flags & (BF_HIJACK|BF_SHUTW|BF_SHUTR_NOW)) &&
Willy Tarreau31971e52009-09-20 12:07:52 +02001981 (s->rep->prod->state >= SI_ST_EST) &&
1982 (s->rep->to_forward != BUF_INFINITE_FORWARD)) {
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001983 /* This buffer is freewheeling, there's no analyser nor hijacker
1984 * attached to it. If any data are left in, we'll permit them to
1985 * move.
1986 */
Willy Tarreau90deb182010-01-07 00:20:41 +01001987 buffer_auto_read(s->rep);
Willy Tarreau520d95e2009-09-19 21:04:57 +02001988 buffer_auto_close(s->rep);
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001989 buffer_flush(s->rep);
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01001990
1991 /* We'll let data flow between the producer (if still connected)
1992 * to the consumer.
1993 */
1994 if (!(s->rep->flags & (BF_SHUTR|BF_SHUTW_NOW)))
Willy Tarreau31971e52009-09-20 12:07:52 +02001995 buffer_forward(s->rep, BUF_INFINITE_FORWARD);
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01001996 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01001997
Willy Tarreau7c84bab2009-03-08 21:38:23 +01001998 /* check if it is wise to enable kernel splicing to forward response data */
1999 if (!(s->rep->flags & (BF_KERN_SPLICING|BF_SHUTR)) &&
2000 s->rep->to_forward &&
2001 (global.tune.options & GTUNE_USE_SPLICE) &&
Willy Tarreaudc340a92009-06-28 23:10:19 +02002002 (s->si[0].flags & s->si[1].flags & SI_FL_CAP_SPLICE) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002003 (pipes_used < global.maxpipes) &&
2004 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_RTR) ||
2005 (((s->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
2006 (s->rep->flags & BF_STREAMER_FAST)))) {
2007 s->rep->flags |= BF_KERN_SPLICING;
2008 }
2009
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002010 /* reflect what the L7 analysers have seen last */
2011 rpf_last = s->rep->flags;
2012
2013 /*
2014 * Now forward all shutdown requests between both sides of the buffer
2015 */
2016
2017 /*
2018 * FIXME: this is probably where we should produce error responses.
2019 */
2020
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002021 /* first, let's check if the response buffer needs to shutdown(write) */
Willy Tarreau520d95e2009-09-19 21:04:57 +02002022 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTW_NOW|BF_HIJACK|BF_AUTO_CLOSE|BF_SHUTR)) ==
2023 (BF_AUTO_CLOSE|BF_SHUTR)))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002024 buffer_shutw_now(s->rep);
2025
2026 /* shutdown(write) pending */
Willy Tarreauba0b63d2009-09-20 08:09:44 +02002027 if (unlikely((s->rep->flags & (BF_SHUTW|BF_OUT_EMPTY|BF_SHUTW_NOW)) == (BF_OUT_EMPTY|BF_SHUTW_NOW)))
Willy Tarreau060781f2012-05-07 16:50:03 +02002028 s->rep->cons->sock.shutw(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002029
2030 /* shutdown(write) done on the client side, we must stop the server too */
Willy Tarreau3dbc6942008-12-07 13:05:04 +01002031 if (unlikely((s->rep->flags & (BF_SHUTW|BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTW) &&
2032 !s->rep->analysers)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002033 buffer_shutr_now(s->rep);
2034
2035 /* shutdown(read) pending */
2036 if (unlikely((s->rep->flags & (BF_SHUTR|BF_SHUTR_NOW)) == BF_SHUTR_NOW))
Willy Tarreau060781f2012-05-07 16:50:03 +02002037 s->rep->prod->sock.shutr(s->rep->prod);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002038
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002039 if (s->req->prod->state == SI_ST_DIS || s->req->cons->state == SI_ST_DIS)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002040 goto resync_stream_interface;
2041
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002042 if (s->req->flags != rqf_last)
2043 goto resync_request;
2044
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002045 if ((s->rep->flags ^ rpf_last) & BF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002046 goto resync_response;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002047
Willy Tarreau89f7ef22009-09-05 20:57:35 +02002048 /* we're interested in getting wakeups again */
2049 s->req->prod->flags &= ~SI_FL_DONT_WAKE;
2050 s->req->cons->flags &= ~SI_FL_DONT_WAKE;
2051
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002052 /* This is needed only when debugging is enabled, to indicate
2053 * client-side or server-side close. Please note that in the unlikely
2054 * event where both sides would close at once, the sequence is reported
2055 * on the server side first.
2056 */
2057 if (unlikely((global.mode & MODE_DEBUG) &&
2058 (!(global.mode & MODE_QUIET) ||
2059 (global.mode & MODE_VERBOSE)))) {
2060 int len;
2061
2062 if (s->si[1].state == SI_ST_CLO &&
2063 s->si[1].prev_state == SI_ST_EST) {
2064 len = sprintf(trash, "%08x:%s.srvcls[%04x:%04x]\n",
2065 s->uniq_id, s->be->id,
2066 (unsigned short)s->si[0].fd,
2067 (unsigned short)s->si[1].fd);
Willy Tarreau21337822012-04-29 14:11:38 +02002068 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002069 }
2070
2071 if (s->si[0].state == SI_ST_CLO &&
2072 s->si[0].prev_state == SI_ST_EST) {
2073 len = sprintf(trash, "%08x:%s.clicls[%04x:%04x]\n",
2074 s->uniq_id, s->be->id,
2075 (unsigned short)s->si[0].fd,
2076 (unsigned short)s->si[1].fd);
Willy Tarreau21337822012-04-29 14:11:38 +02002077 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002078 }
2079 }
2080
2081 if (likely((s->rep->cons->state != SI_ST_CLO) ||
2082 (s->req->cons->state > SI_ST_INI && s->req->cons->state < SI_ST_CLO))) {
2083
2084 if ((s->fe->options & PR_O_CONTSTATS) && (s->flags & SN_BE_ASSIGNED))
2085 session_process_counters(s);
2086
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002087 if (s->rep->cons->state == SI_ST_EST && s->rep->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau060781f2012-05-07 16:50:03 +02002088 s->rep->cons->sock.update(s->rep->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002089
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002090 if (s->req->cons->state == SI_ST_EST && s->req->cons->target.type != TARG_TYPE_APPLET)
Willy Tarreau060781f2012-05-07 16:50:03 +02002091 s->req->cons->sock.update(s->req->cons);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002092
Willy Tarreaua6eebb32010-06-04 11:40:20 +02002093 s->req->flags &= ~(BF_READ_NULL|BF_READ_PARTIAL|BF_WRITE_NULL|BF_WRITE_PARTIAL|BF_READ_ATTACHED);
2094 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 +01002095 s->si[0].prev_state = s->si[0].state;
2096 s->si[1].prev_state = s->si[1].state;
Willy Tarreaub0ef7352008-12-14 13:26:20 +01002097 s->si[0].flags &= ~(SI_FL_ERR|SI_FL_EXP);
2098 s->si[1].flags &= ~(SI_FL_ERR|SI_FL_EXP);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002099
2100 /* Trick: if a request is being waiting for the server to respond,
2101 * and if we know the server can timeout, we don't want the timeout
2102 * to expire on the client side first, but we're still interested
2103 * in passing data from the client to the server (eg: POST). Thus,
2104 * we can cancel the client's request timeout if the server's
2105 * request timeout is set and the server has not yet sent a response.
2106 */
2107
Willy Tarreau520d95e2009-09-19 21:04:57 +02002108 if ((s->rep->flags & (BF_AUTO_CLOSE|BF_SHUTR)) == 0 &&
Willy Tarreau86491c32008-12-14 09:04:47 +01002109 (tick_isset(s->req->wex) || tick_isset(s->rep->rex))) {
2110 s->req->flags |= BF_READ_NOEXP;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002111 s->req->rex = TICK_ETERNITY;
Willy Tarreau86491c32008-12-14 09:04:47 +01002112 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002113
Willy Tarreau7a20aa62010-07-13 16:30:45 +02002114 /* Call the stream interfaces' I/O handlers when embedded.
Willy Tarreau1accfc02009-09-05 20:57:35 +02002115 * Note that this one may wake the task up again.
2116 */
Willy Tarreau7c0a1512011-03-10 11:17:02 +01002117 if (s->req->cons->target.type == TARG_TYPE_APPLET ||
2118 s->rep->cons->target.type == TARG_TYPE_APPLET) {
2119 if (s->req->cons->target.type == TARG_TYPE_APPLET)
2120 s->req->cons->target.ptr.a->fct(s->req->cons);
2121 if (s->rep->cons->target.type == TARG_TYPE_APPLET)
2122 s->rep->cons->target.ptr.a->fct(s->rep->cons);
Willy Tarreau1accfc02009-09-05 20:57:35 +02002123 if (task_in_rq(t)) {
2124 /* If we woke up, we don't want to requeue the
2125 * task to the wait queue, but rather requeue
2126 * it into the runqueue ASAP.
2127 */
2128 t->expire = TICK_ETERNITY;
2129 return t;
2130 }
2131 }
2132
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002133 t->expire = tick_first(tick_first(s->req->rex, s->req->wex),
2134 tick_first(s->rep->rex, s->rep->wex));
2135 if (s->req->analysers)
2136 t->expire = tick_first(t->expire, s->req->analyse_exp);
2137
2138 if (s->si[0].exp)
2139 t->expire = tick_first(t->expire, s->si[0].exp);
2140
2141 if (s->si[1].exp)
2142 t->expire = tick_first(t->expire, s->si[1].exp);
2143
2144#ifdef DEBUG_FULL
Willy Tarreau127334e2009-03-28 10:47:26 +01002145 fprintf(stderr,
2146 "[%u] queuing with exp=%u req->rex=%u req->wex=%u req->ana_exp=%u"
2147 " rep->rex=%u rep->wex=%u, si[0].exp=%u, si[1].exp=%u, cs=%d, ss=%d\n",
2148 now_ms, t->expire, s->req->rex, s->req->wex, s->req->analyse_exp,
2149 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 +01002150#endif
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002151
2152#ifdef DEBUG_DEV
2153 /* this may only happen when no timeout is set or in case of an FSM bug */
Willy Tarreaud0a201b2009-03-08 15:53:06 +01002154 if (!tick_isset(t->expire))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002155 ABORT_NOW();
2156#endif
Willy Tarreau26c25062009-03-08 09:38:41 +01002157 return t; /* nothing more to do */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002158 }
2159
2160 s->fe->feconn--;
2161 if (s->flags & SN_BE_ASSIGNED)
2162 s->be->beconn--;
Willy Tarreau3c63fd82011-09-07 18:00:47 +02002163 if (!(s->listener->options & LI_O_UNLIMITED))
2164 actconn--;
Willy Tarreauaf7ad002010-08-31 15:39:26 +02002165 jobs--;
Willy Tarreau6e6fb2b2009-08-16 18:20:44 +02002166 s->listener->nbconn--;
Willy Tarreau62793712011-07-24 19:23:38 +02002167 if (s->listener->state == LI_FULL)
2168 resume_listener(s->listener);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002169
Willy Tarreau08ceb102011-07-24 22:58:00 +02002170 /* Dequeues all of the listeners waiting for a resource */
2171 if (!LIST_ISEMPTY(&global_listener_queue))
2172 dequeue_all_listeners(&global_listener_queue);
2173
Willy Tarreaub32907b2011-07-25 08:37:44 +02002174 if (!LIST_ISEMPTY(&s->fe->listener_queue) &&
2175 (!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 +02002176 dequeue_all_listeners(&s->fe->listener_queue);
2177
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002178 if (unlikely((global.mode & MODE_DEBUG) &&
2179 (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
2180 int len;
Willy Tarreauec22b2c2009-03-06 13:07:40 +01002181 len = sprintf(trash, "%08x:%s.closed[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002182 s->uniq_id, s->be->id,
Willy Tarreauec22b2c2009-03-06 13:07:40 +01002183 (unsigned short)s->req->prod->fd, (unsigned short)s->req->cons->fd);
Willy Tarreau21337822012-04-29 14:11:38 +02002184 if (write(1, trash, len) < 0) /* shut gcc warning */;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002185 }
2186
2187 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2188 session_process_counters(s);
2189
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002190 if (s->txn.status) {
2191 int n;
2192
2193 n = s->txn.status / 100;
2194 if (n < 1 || n > 5)
2195 n = 0;
2196
2197 if (s->fe->mode == PR_MODE_HTTP)
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002198 s->fe->fe_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002199
Willy Tarreau24657792010-02-26 10:30:28 +01002200 if ((s->flags & SN_BE_ASSIGNED) &&
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002201 (s->be->mode == PR_MODE_HTTP))
Willy Tarreau7d0aaf32011-03-10 23:25:56 +01002202 s->be->be_counters.p.http.rsp[n]++;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002203 }
2204
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002205 /* let's do a final log if we need it */
2206 if (s->logs.logwait &&
2207 !(s->flags & SN_MONITOR) &&
2208 (!(s->fe->options & PR_O_NULLNOLOG) || s->req->total)) {
Willy Tarreaua5555ec2008-11-30 19:02:32 +01002209 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002210 }
2211
2212 /* the task MUST not be in the run queue anymore */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002213 session_free(s);
Willy Tarreau26c25062009-03-08 09:38:41 +01002214 task_delete(t);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002215 task_free(t);
Willy Tarreau26c25062009-03-08 09:38:41 +01002216 return NULL;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002217}
2218
Willy Tarreau7c669d72008-06-20 15:04:11 +02002219/*
2220 * This function adjusts sess->srv_conn and maintains the previous and new
2221 * server's served session counts. Setting newsrv to NULL is enough to release
2222 * current connection slot. This function also notifies any LB algo which might
2223 * expect to be informed about any change in the number of active sessions on a
2224 * server.
2225 */
2226void sess_change_server(struct session *sess, struct server *newsrv)
2227{
2228 if (sess->srv_conn == newsrv)
2229 return;
2230
2231 if (sess->srv_conn) {
2232 sess->srv_conn->served--;
2233 if (sess->srv_conn->proxy->lbprm.server_drop_conn)
2234 sess->srv_conn->proxy->lbprm.server_drop_conn(sess->srv_conn);
Simon Hormanaf514952011-06-21 14:34:57 +09002235 session_del_srv_conn(sess);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002236 }
2237
2238 if (newsrv) {
2239 newsrv->served++;
2240 if (newsrv->proxy->lbprm.server_take_conn)
2241 newsrv->proxy->lbprm.server_take_conn(newsrv);
Simon Hormanaf514952011-06-21 14:34:57 +09002242 session_add_srv_conn(sess, newsrv);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002243 }
2244}
2245
Willy Tarreau84455332009-03-15 22:34:05 +01002246/* Handle server-side errors for default protocols. It is called whenever a a
2247 * connection setup is aborted or a request is aborted in queue. It sets the
2248 * session termination flags so that the caller does not have to worry about
2249 * them. It's installed as ->srv_error for the server-side stream_interface.
2250 */
2251void default_srv_error(struct session *s, struct stream_interface *si)
2252{
2253 int err_type = si->err_type;
2254 int err = 0, fin = 0;
2255
2256 if (err_type & SI_ET_QUEUE_ABRT) {
2257 err = SN_ERR_CLICL;
2258 fin = SN_FINST_Q;
2259 }
2260 else if (err_type & SI_ET_CONN_ABRT) {
2261 err = SN_ERR_CLICL;
2262 fin = SN_FINST_C;
2263 }
2264 else if (err_type & SI_ET_QUEUE_TO) {
2265 err = SN_ERR_SRVTO;
2266 fin = SN_FINST_Q;
2267 }
2268 else if (err_type & SI_ET_QUEUE_ERR) {
2269 err = SN_ERR_SRVCL;
2270 fin = SN_FINST_Q;
2271 }
2272 else if (err_type & SI_ET_CONN_TO) {
2273 err = SN_ERR_SRVTO;
2274 fin = SN_FINST_C;
2275 }
2276 else if (err_type & SI_ET_CONN_ERR) {
2277 err = SN_ERR_SRVCL;
2278 fin = SN_FINST_C;
2279 }
2280 else /* SI_ET_CONN_OTHER and others */ {
2281 err = SN_ERR_INTERNAL;
2282 fin = SN_FINST_C;
2283 }
2284
2285 if (!(s->flags & SN_ERR_MASK))
2286 s->flags |= err;
2287 if (!(s->flags & SN_FINST_MASK))
2288 s->flags |= fin;
2289}
Willy Tarreau7c669d72008-06-20 15:04:11 +02002290
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002291/* kill a session and set the termination flags to <why> (one of SN_ERR_*) */
2292void session_shutdown(struct session *session, int why)
2293{
2294 if (session->req->flags & (BF_SHUTW|BF_SHUTW_NOW))
2295 return;
2296
2297 buffer_shutw_now(session->req);
2298 buffer_shutr_now(session->rep);
2299 session->task->nice = 1024;
2300 if (!(session->flags & SN_ERR_MASK))
2301 session->flags |= why;
2302 task_wakeup(session->task, TASK_WOKEN_OTHER);
2303}
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02002304
Willy Tarreau8b22a712010-06-18 17:46:06 +02002305/************************************************************************/
2306/* All supported ACL keywords must be declared here. */
2307/************************************************************************/
2308
Willy Tarreaua5e37562011-12-16 17:06:15 +01002309/* set temp integer to the General Purpose Counter 0 value in the stksess entry <ts> */
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002310static int
Willy Tarreau37406352012-04-23 16:16:37 +02002311acl_fetch_get_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002312{
Willy Tarreau37406352012-04-23 16:16:37 +02002313 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002314 smp->type = SMP_T_UINT;
2315 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002316 if (ts != NULL) {
2317 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2318 if (!ptr)
2319 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002320 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002321 }
2322 return 1;
2323}
2324
Willy Tarreaua5e37562011-12-16 17:06:15 +01002325/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002326 * frontend counters.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002327 */
2328static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002329acl_fetch_sc1_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002330 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002331{
Willy Tarreau56123282010-08-06 19:06:56 +02002332 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002333 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002334 return acl_fetch_get_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002335}
2336
Willy Tarreaua5e37562011-12-16 17:06:15 +01002337/* set temp integer to the General Purpose Counter 0 value from the session's tracked
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002338 * backend counters.
2339 */
2340static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002341acl_fetch_sc2_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002342 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002343{
Willy Tarreau56123282010-08-06 19:06:56 +02002344 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002345 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002346 return acl_fetch_get_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002347}
2348
Willy Tarreaua5e37562011-12-16 17:06:15 +01002349/* set temp integer to the General Purpose Counter 0 value from the session's source
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002350 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002351 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002352 */
2353static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002354acl_fetch_src_get_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002355 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002356{
2357 struct stktable_key *key;
2358
David du Colombier4f92d322011-03-24 11:09:31 +01002359 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002360 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002361 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002362
Willy Tarreau24e32d82012-04-23 23:55:44 +02002363 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002364 return acl_fetch_get_gpc0(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002365}
2366
2367/* Increment the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002368 * return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002369 */
2370static int
Willy Tarreau37406352012-04-23 16:16:37 +02002371acl_fetch_inc_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002372{
Willy Tarreau37406352012-04-23 16:16:37 +02002373 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002374 smp->type = SMP_T_UINT;
2375 smp->data.uint = 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002376 if (ts != NULL) {
2377 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2378 if (!ptr)
2379 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002380 smp->data.uint = ++stktable_data_cast(ptr, gpc0);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002381 }
2382 return 1;
2383}
2384
2385/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002386 * frontend counters and return it into temp integer.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002387 */
2388static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002389acl_fetch_sc1_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002390 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002391{
Willy Tarreau56123282010-08-06 19:06:56 +02002392 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002393 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002394 return acl_fetch_inc_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002395}
2396
2397/* Increment the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002398 * backend counters and return it into temp integer.
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002399 */
2400static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002401acl_fetch_sc2_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002402 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002403{
Willy Tarreau56123282010-08-06 19:06:56 +02002404 if (!l4->stkctr2_entry)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002405 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002406 return acl_fetch_inc_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002407}
2408
2409/* Increment the General Purpose Counter 0 value from the session's source
Willy Tarreaua5e37562011-12-16 17:06:15 +01002410 * address in the table pointed to by expr, and return it into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002411 * Accepts exactly 1 argument of type table.
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002412 */
2413static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002414acl_fetch_src_inc_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002415 const struct arg *args, struct sample *smp)
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002416{
2417 struct stktable_key *key;
2418
David du Colombier4f92d322011-03-24 11:09:31 +01002419 key = tcp_src_to_stktable_key(l4);
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002420 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002421 return 0;
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002422
Willy Tarreau24e32d82012-04-23 23:55:44 +02002423 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002424 return acl_fetch_inc_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauc3bd9722010-06-20 12:47:25 +02002425}
2426
Willy Tarreauf73cd112011-08-13 01:45:16 +02002427/* Clear the General Purpose Counter 0 value in the stksess entry <ts> and
Willy Tarreaua5e37562011-12-16 17:06:15 +01002428 * return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002429 */
2430static int
Willy Tarreau37406352012-04-23 16:16:37 +02002431acl_fetch_clr_gpc0(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002432{
Willy Tarreau37406352012-04-23 16:16:37 +02002433 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002434 smp->type = SMP_T_UINT;
2435 smp->data.uint = 0;
Willy Tarreauf73cd112011-08-13 01:45:16 +02002436 if (ts != NULL) {
2437 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_GPC0);
2438 if (!ptr)
2439 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002440 smp->data.uint = stktable_data_cast(ptr, gpc0);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002441 stktable_data_cast(ptr, gpc0) = 0;
2442 }
2443 return 1;
2444}
2445
2446/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002447 * frontend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002448 */
2449static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002450acl_fetch_sc1_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002451 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002452{
2453 if (!l4->stkctr1_entry)
2454 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002455 return acl_fetch_clr_gpc0(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002456}
2457
2458/* Clear the General Purpose Counter 0 value from the session's tracked
Willy Tarreaua5e37562011-12-16 17:06:15 +01002459 * backend counters and return its previous value into temp integer.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002460 */
2461static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002462acl_fetch_sc2_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002463 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002464{
2465 if (!l4->stkctr2_entry)
2466 return 0;
Willy Tarreau37406352012-04-23 16:16:37 +02002467 return acl_fetch_clr_gpc0(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf73cd112011-08-13 01:45:16 +02002468}
2469
2470/* Clear the General Purpose Counter 0 value from the session's source address
Willy Tarreaua5e37562011-12-16 17:06:15 +01002471 * in the table pointed to by expr, and return its previous value into temp integer.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002472 * Accepts exactly 1 argument of type table.
Willy Tarreauf73cd112011-08-13 01:45:16 +02002473 */
2474static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002475acl_fetch_src_clr_gpc0(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002476 const struct arg *args, struct sample *smp)
Willy Tarreauf73cd112011-08-13 01:45:16 +02002477{
2478 struct stktable_key *key;
2479
2480 key = tcp_src_to_stktable_key(l4);
2481 if (!key)
2482 return 0;
2483
Willy Tarreau24e32d82012-04-23 23:55:44 +02002484 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002485 return acl_fetch_clr_gpc0(&px->table, smp, stktable_update_key(&px->table, key));
Willy Tarreauf73cd112011-08-13 01:45:16 +02002486}
2487
Willy Tarreaua5e37562011-12-16 17:06:15 +01002488/* set temp integer to the cumulated number of connections in the stksess entry <ts> */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002489static int
Willy Tarreau37406352012-04-23 16:16:37 +02002490acl_fetch_conn_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002491{
Willy Tarreau37406352012-04-23 16:16:37 +02002492 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002493 smp->type = SMP_T_UINT;
2494 smp->data.uint = 0;
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002495 if (ts != NULL) {
2496 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CNT);
2497 if (!ptr)
2498 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002499 smp->data.uint = stktable_data_cast(ptr, conn_cnt);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002500 }
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002501 return 1;
2502}
2503
Willy Tarreaua5e37562011-12-16 17:06:15 +01002504/* set temp integer to the cumulated number of connections from the session's tracked FE counters */
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002505static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002506acl_fetch_sc1_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002507 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002508{
Willy Tarreau56123282010-08-06 19:06:56 +02002509 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002510 return 0;
2511
Willy Tarreau37406352012-04-23 16:16:37 +02002512 return acl_fetch_conn_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002513}
2514
Willy Tarreaua5e37562011-12-16 17:06:15 +01002515/* set temp integer to the cumulated number of connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002516static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002517acl_fetch_sc2_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002518 const struct arg *args, struct sample *smp)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002519{
Willy Tarreau56123282010-08-06 19:06:56 +02002520 if (!l4->stkctr2_entry)
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002521 return 0;
2522
Willy Tarreau37406352012-04-23 16:16:37 +02002523 return acl_fetch_conn_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002524}
2525
Willy Tarreaua5e37562011-12-16 17:06:15 +01002526/* set temp integer to the cumulated number of connections from the session's source
Willy Tarreau9a3f8492010-06-18 19:53:25 +02002527 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002528 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002529 */
2530static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002531acl_fetch_src_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002532 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002533{
Willy Tarreau8b22a712010-06-18 17:46:06 +02002534 struct stktable_key *key;
2535
David du Colombier4f92d322011-03-24 11:09:31 +01002536 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002537 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002538 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002539
Willy Tarreau24e32d82012-04-23 23:55:44 +02002540 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002541 return acl_fetch_conn_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau8b22a712010-06-18 17:46:06 +02002542}
2543
Willy Tarreaua5e37562011-12-16 17:06:15 +01002544/* set temp integer to the connection rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002545static int
Willy Tarreau37406352012-04-23 16:16:37 +02002546acl_fetch_conn_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002547{
Willy Tarreau37406352012-04-23 16:16:37 +02002548 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002549 smp->type = SMP_T_UINT;
2550 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002551 if (ts != NULL) {
2552 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_RATE);
2553 if (!ptr)
2554 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002555 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, conn_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002556 table->data_arg[STKTABLE_DT_CONN_RATE].u);
2557 }
2558 return 1;
2559}
2560
Willy Tarreaua5e37562011-12-16 17:06:15 +01002561/* set temp integer to the connection rate from the session's tracked FE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002562 * the configured period.
2563 */
2564static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002565acl_fetch_sc1_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002566 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002567{
Willy Tarreau56123282010-08-06 19:06:56 +02002568 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002569 return 0;
2570
Willy Tarreau37406352012-04-23 16:16:37 +02002571 return acl_fetch_conn_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002572}
2573
Willy Tarreaua5e37562011-12-16 17:06:15 +01002574/* set temp integer to the connection rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002575 * the configured period.
2576 */
2577static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002578acl_fetch_sc2_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002579 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002580{
Willy Tarreau56123282010-08-06 19:06:56 +02002581 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002582 return 0;
2583
Willy Tarreau37406352012-04-23 16:16:37 +02002584 return acl_fetch_conn_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002585}
2586
Willy Tarreaua5e37562011-12-16 17:06:15 +01002587/* set temp integer to the connection rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002588 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002589 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002590 */
2591static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002592acl_fetch_src_conn_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002593 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002594{
2595 struct stktable_key *key;
2596
David du Colombier4f92d322011-03-24 11:09:31 +01002597 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002598 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002599 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002600
Willy Tarreau24e32d82012-04-23 23:55:44 +02002601 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002602 return acl_fetch_conn_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002603}
2604
Willy Tarreaua5e37562011-12-16 17:06:15 +01002605/* set temp integer to the number of connections from the session's source address
Willy Tarreau8b22a712010-06-18 17:46:06 +02002606 * in the table pointed to by expr, after updating it.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002607 * Accepts exactly 1 argument of type table.
Willy Tarreau8b22a712010-06-18 17:46:06 +02002608 */
2609static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002610acl_fetch_src_updt_conn_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002611 const struct arg *args, struct sample *smp)
Willy Tarreau8b22a712010-06-18 17:46:06 +02002612{
2613 struct stksess *ts;
2614 struct stktable_key *key;
2615 void *ptr;
2616
David du Colombier4f92d322011-03-24 11:09:31 +01002617 key = tcp_src_to_stktable_key(l4);
Willy Tarreau8b22a712010-06-18 17:46:06 +02002618 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002619 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002620
Willy Tarreau24e32d82012-04-23 23:55:44 +02002621 px = args->data.prx;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002622
Willy Tarreau1f7e9252010-06-20 12:27:21 +02002623 if ((ts = stktable_update_key(&px->table, key)) == NULL)
2624 /* entry does not exist and could not be created */
2625 return 0;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002626
2627 ptr = stktable_data_ptr(&px->table, ts, STKTABLE_DT_CONN_CNT);
2628 if (!ptr)
2629 return 0; /* parameter not stored in this table */
2630
Willy Tarreauf853c462012-04-23 18:53:56 +02002631 smp->type = SMP_T_UINT;
2632 smp->data.uint = ++stktable_data_cast(ptr, conn_cnt);
Willy Tarreau37406352012-04-23 16:16:37 +02002633 smp->flags = SMP_F_VOL_TEST;
Willy Tarreau8b22a712010-06-18 17:46:06 +02002634 return 1;
2635}
2636
Willy Tarreaua5e37562011-12-16 17:06:15 +01002637/* set temp integer to the number of concurrent connections in the stksess entry <ts> */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002638static int
Willy Tarreau37406352012-04-23 16:16:37 +02002639acl_fetch_conn_cur(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002640{
Willy Tarreau37406352012-04-23 16:16:37 +02002641 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002642 smp->type = SMP_T_UINT;
2643 smp->data.uint = 0;
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002644
2645 if (ts != NULL) {
2646 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_CONN_CUR);
2647 if (!ptr)
2648 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002649 smp->data.uint = stktable_data_cast(ptr, conn_cur);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002650 }
2651 return 1;
2652}
2653
Willy Tarreaua5e37562011-12-16 17:06:15 +01002654/* set temp integer to the number of concurrent connections from the session's tracked FE counters */
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002655static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002656acl_fetch_sc1_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002657 const struct arg *args, struct sample *smp)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002658{
Willy Tarreau56123282010-08-06 19:06:56 +02002659 if (!l4->stkctr1_entry)
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002660 return 0;
2661
Willy Tarreau37406352012-04-23 16:16:37 +02002662 return acl_fetch_conn_cur(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreau9b0ddcf2010-06-18 21:14:36 +02002663}
2664
Willy Tarreaua5e37562011-12-16 17:06:15 +01002665/* set temp integer to the number of concurrent connections from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002666static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002667acl_fetch_sc2_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002668 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002669{
Willy Tarreau56123282010-08-06 19:06:56 +02002670 if (!l4->stkctr2_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002671 return 0;
2672
Willy Tarreau37406352012-04-23 16:16:37 +02002673 return acl_fetch_conn_cur(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002674}
2675
Willy Tarreaua5e37562011-12-16 17:06:15 +01002676/* set temp integer to the number of concurrent connections from the session's source
Willy Tarreau38285c12010-06-18 16:35:43 +02002677 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002678 * Accepts exactly 1 argument of type table.
Willy Tarreau38285c12010-06-18 16:35:43 +02002679 */
2680static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002681acl_fetch_src_conn_cur(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002682 const struct arg *args, struct sample *smp)
Willy Tarreau38285c12010-06-18 16:35:43 +02002683{
Willy Tarreau38285c12010-06-18 16:35:43 +02002684 struct stktable_key *key;
2685
David du Colombier4f92d322011-03-24 11:09:31 +01002686 key = tcp_src_to_stktable_key(l4);
Willy Tarreau38285c12010-06-18 16:35:43 +02002687 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002688 return 0;
Willy Tarreau38285c12010-06-18 16:35:43 +02002689
Willy Tarreau24e32d82012-04-23 23:55:44 +02002690 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002691 return acl_fetch_conn_cur(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau38285c12010-06-18 16:35:43 +02002692}
2693
Willy Tarreaua5e37562011-12-16 17:06:15 +01002694/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002695static int
Willy Tarreau37406352012-04-23 16:16:37 +02002696acl_fetch_sess_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002697{
Willy Tarreau37406352012-04-23 16:16:37 +02002698 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002699 smp->type = SMP_T_UINT;
2700 smp->data.uint = 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002701 if (ts != NULL) {
2702 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_CNT);
2703 if (!ptr)
2704 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002705 smp->data.uint = stktable_data_cast(ptr, sess_cnt);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002706 }
2707 return 1;
2708}
2709
Willy Tarreaua5e37562011-12-16 17:06:15 +01002710/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002711static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002712acl_fetch_sc1_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002713 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002714{
Willy Tarreau56123282010-08-06 19:06:56 +02002715 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002716 return 0;
2717
Willy Tarreau37406352012-04-23 16:16:37 +02002718 return acl_fetch_sess_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002719}
2720
Willy Tarreaua5e37562011-12-16 17:06:15 +01002721/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002722static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002723acl_fetch_sc2_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002724 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002725{
Willy Tarreau56123282010-08-06 19:06:56 +02002726 if (!l4->stkctr2_entry)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002727 return 0;
2728
Willy Tarreau37406352012-04-23 16:16:37 +02002729 return acl_fetch_sess_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002730}
2731
Willy Tarreaua5e37562011-12-16 17:06:15 +01002732/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002733 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002734 * Accepts exactly 1 argument of type table.
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002735 */
2736static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002737acl_fetch_src_sess_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002738 const struct arg *args, struct sample *smp)
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002739{
2740 struct stktable_key *key;
2741
David du Colombier4f92d322011-03-24 11:09:31 +01002742 key = tcp_src_to_stktable_key(l4);
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002743 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002744 return 0;
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002745
Willy Tarreau24e32d82012-04-23 23:55:44 +02002746 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002747 return acl_fetch_sess_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauf4d17d92010-06-18 22:10:12 +02002748}
2749
Willy Tarreaua5e37562011-12-16 17:06:15 +01002750/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreau91c43d72010-06-20 11:19:22 +02002751static int
Willy Tarreau37406352012-04-23 16:16:37 +02002752acl_fetch_sess_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002753{
Willy Tarreau37406352012-04-23 16:16:37 +02002754 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002755 smp->type = SMP_T_UINT;
2756 smp->data.uint = 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002757 if (ts != NULL) {
2758 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_SESS_RATE);
2759 if (!ptr)
2760 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002761 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, sess_rate),
Willy Tarreau91c43d72010-06-20 11:19:22 +02002762 table->data_arg[STKTABLE_DT_SESS_RATE].u);
2763 }
2764 return 1;
2765}
2766
Willy Tarreaua5e37562011-12-16 17:06:15 +01002767/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002768 * the configured period.
2769 */
2770static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002771acl_fetch_sc1_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002772 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002773{
Willy Tarreau56123282010-08-06 19:06:56 +02002774 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002775 return 0;
2776
Willy Tarreau37406352012-04-23 16:16:37 +02002777 return acl_fetch_sess_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002778}
2779
Willy Tarreaua5e37562011-12-16 17:06:15 +01002780/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreau91c43d72010-06-20 11:19:22 +02002781 * the configured period.
2782 */
2783static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002784acl_fetch_sc2_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002785 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002786{
Willy Tarreau56123282010-08-06 19:06:56 +02002787 if (!l4->stkctr2_entry)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002788 return 0;
2789
Willy Tarreau37406352012-04-23 16:16:37 +02002790 return acl_fetch_sess_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002791}
2792
Willy Tarreaua5e37562011-12-16 17:06:15 +01002793/* set temp integer to the session rate from the session's source address in the
Willy Tarreau91c43d72010-06-20 11:19:22 +02002794 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002795 * Accepts exactly 1 argument of type table.
Willy Tarreau91c43d72010-06-20 11:19:22 +02002796 */
2797static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002798acl_fetch_src_sess_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002799 const struct arg *args, struct sample *smp)
Willy Tarreau91c43d72010-06-20 11:19:22 +02002800{
2801 struct stktable_key *key;
2802
David du Colombier4f92d322011-03-24 11:09:31 +01002803 key = tcp_src_to_stktable_key(l4);
Willy Tarreau91c43d72010-06-20 11:19:22 +02002804 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002805 return 0;
Willy Tarreau91c43d72010-06-20 11:19:22 +02002806
Willy Tarreau24e32d82012-04-23 23:55:44 +02002807 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002808 return acl_fetch_sess_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau91c43d72010-06-20 11:19:22 +02002809}
2810
Willy Tarreaua5e37562011-12-16 17:06:15 +01002811/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002812static int
Willy Tarreau37406352012-04-23 16:16:37 +02002813acl_fetch_http_req_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002814{
Willy Tarreau37406352012-04-23 16:16:37 +02002815 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002816 smp->type = SMP_T_UINT;
2817 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002818 if (ts != NULL) {
2819 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_CNT);
2820 if (!ptr)
2821 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002822 smp->data.uint = stktable_data_cast(ptr, http_req_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002823 }
2824 return 1;
2825}
2826
Willy Tarreaua5e37562011-12-16 17:06:15 +01002827/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002828static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002829acl_fetch_sc1_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002830 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002831{
Willy Tarreau56123282010-08-06 19:06:56 +02002832 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002833 return 0;
2834
Willy Tarreau37406352012-04-23 16:16:37 +02002835 return acl_fetch_http_req_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002836}
2837
Willy Tarreaua5e37562011-12-16 17:06:15 +01002838/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002839static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002840acl_fetch_sc2_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002841 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002842{
Willy Tarreau56123282010-08-06 19:06:56 +02002843 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002844 return 0;
2845
Willy Tarreau37406352012-04-23 16:16:37 +02002846 return acl_fetch_http_req_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002847}
2848
Willy Tarreaua5e37562011-12-16 17:06:15 +01002849/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002850 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002851 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002852 */
2853static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002854acl_fetch_src_http_req_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002855 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002856{
2857 struct stktable_key *key;
2858
David du Colombier4f92d322011-03-24 11:09:31 +01002859 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002860 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002861 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002862
Willy Tarreau24e32d82012-04-23 23:55:44 +02002863 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002864 return acl_fetch_http_req_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002865}
2866
Willy Tarreaua5e37562011-12-16 17:06:15 +01002867/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002868static int
Willy Tarreau37406352012-04-23 16:16:37 +02002869acl_fetch_http_req_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002870{
Willy Tarreau37406352012-04-23 16:16:37 +02002871 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002872 smp->type = SMP_T_UINT;
2873 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002874 if (ts != NULL) {
2875 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_REQ_RATE);
2876 if (!ptr)
2877 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002878 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_req_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02002879 table->data_arg[STKTABLE_DT_HTTP_REQ_RATE].u);
2880 }
2881 return 1;
2882}
2883
Willy Tarreaua5e37562011-12-16 17:06:15 +01002884/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02002885 * the configured period.
2886 */
2887static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002888acl_fetch_sc1_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002889 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002890{
Willy Tarreau56123282010-08-06 19:06:56 +02002891 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002892 return 0;
2893
Willy Tarreau37406352012-04-23 16:16:37 +02002894 return acl_fetch_http_req_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002895}
2896
Willy Tarreaua5e37562011-12-16 17:06:15 +01002897/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002898 * the configured period.
2899 */
2900static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002901acl_fetch_sc2_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002902 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002903{
Willy Tarreau56123282010-08-06 19:06:56 +02002904 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002905 return 0;
2906
Willy Tarreau37406352012-04-23 16:16:37 +02002907 return acl_fetch_http_req_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002908}
2909
Willy Tarreaua5e37562011-12-16 17:06:15 +01002910/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02002911 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002912 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002913 */
2914static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002915acl_fetch_src_http_req_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002916 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002917{
2918 struct stktable_key *key;
2919
David du Colombier4f92d322011-03-24 11:09:31 +01002920 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002921 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002922 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002923
Willy Tarreau24e32d82012-04-23 23:55:44 +02002924 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002925 return acl_fetch_http_req_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002926}
2927
Willy Tarreaua5e37562011-12-16 17:06:15 +01002928/* set temp integer to the cumulated number of sessions in the stksess entry <ts> */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002929static int
Willy Tarreau37406352012-04-23 16:16:37 +02002930acl_fetch_http_err_cnt(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002931{
Willy Tarreau37406352012-04-23 16:16:37 +02002932 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002933 smp->type = SMP_T_UINT;
2934 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002935 if (ts != NULL) {
2936 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_CNT);
2937 if (!ptr)
2938 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002939 smp->data.uint = stktable_data_cast(ptr, http_err_cnt);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002940 }
2941 return 1;
2942}
2943
Willy Tarreaua5e37562011-12-16 17:06:15 +01002944/* set temp integer to the cumulated number of sessions from the session's tracked FE counters */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002945static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002946acl_fetch_sc1_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002947 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002948{
Willy Tarreau56123282010-08-06 19:06:56 +02002949 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002950 return 0;
2951
Willy Tarreau37406352012-04-23 16:16:37 +02002952 return acl_fetch_http_err_cnt(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002953}
2954
Willy Tarreaua5e37562011-12-16 17:06:15 +01002955/* set temp integer to the cumulated number of sessions from the session's tracked BE counters */
Willy Tarreauf059a0f2010-08-03 16:29:52 +02002956static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002957acl_fetch_sc2_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002958 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002959{
Willy Tarreau56123282010-08-06 19:06:56 +02002960 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002961 return 0;
2962
Willy Tarreau37406352012-04-23 16:16:37 +02002963 return acl_fetch_http_err_cnt(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002964}
2965
Willy Tarreaua5e37562011-12-16 17:06:15 +01002966/* set temp integer to the cumulated number of session from the session's source
Willy Tarreauda7ff642010-06-23 11:44:09 +02002967 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02002968 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02002969 */
2970static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02002971acl_fetch_src_http_err_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02002972 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002973{
2974 struct stktable_key *key;
2975
David du Colombier4f92d322011-03-24 11:09:31 +01002976 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02002977 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01002978 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002979
Willy Tarreau24e32d82012-04-23 23:55:44 +02002980 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02002981 return acl_fetch_http_err_cnt(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02002982}
2983
Willy Tarreaua5e37562011-12-16 17:06:15 +01002984/* set temp integer to the session rate in the stksess entry <ts> over the configured period */
Willy Tarreauda7ff642010-06-23 11:44:09 +02002985static int
Willy Tarreau37406352012-04-23 16:16:37 +02002986acl_fetch_http_err_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreauda7ff642010-06-23 11:44:09 +02002987{
Willy Tarreau37406352012-04-23 16:16:37 +02002988 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02002989 smp->type = SMP_T_UINT;
2990 smp->data.uint = 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02002991 if (ts != NULL) {
2992 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_HTTP_ERR_RATE);
2993 if (!ptr)
2994 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02002995 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, http_err_rate),
Willy Tarreauda7ff642010-06-23 11:44:09 +02002996 table->data_arg[STKTABLE_DT_HTTP_ERR_RATE].u);
2997 }
2998 return 1;
2999}
3000
Willy Tarreaua5e37562011-12-16 17:06:15 +01003001/* set temp integer to the session rate from the session's tracked FE counters over
Willy Tarreauda7ff642010-06-23 11:44:09 +02003002 * the configured period.
3003 */
3004static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003005acl_fetch_sc1_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003006 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003007{
Willy Tarreau56123282010-08-06 19:06:56 +02003008 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003009 return 0;
3010
Willy Tarreau37406352012-04-23 16:16:37 +02003011 return acl_fetch_http_err_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003012}
3013
Willy Tarreaua5e37562011-12-16 17:06:15 +01003014/* set temp integer to the session rate from the session's tracked BE counters over
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003015 * the configured period.
3016 */
3017static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003018acl_fetch_sc2_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003019 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003020{
Willy Tarreau56123282010-08-06 19:06:56 +02003021 if (!l4->stkctr2_entry)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003022 return 0;
3023
Willy Tarreau37406352012-04-23 16:16:37 +02003024 return acl_fetch_http_err_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003025}
3026
Willy Tarreaua5e37562011-12-16 17:06:15 +01003027/* set temp integer to the session rate from the session's source address in the
Willy Tarreauda7ff642010-06-23 11:44:09 +02003028 * table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003029 * Accepts exactly 1 argument of type table.
Willy Tarreauda7ff642010-06-23 11:44:09 +02003030 */
3031static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003032acl_fetch_src_http_err_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003033 const struct arg *args, struct sample *smp)
Willy Tarreauda7ff642010-06-23 11:44:09 +02003034{
3035 struct stktable_key *key;
3036
David du Colombier4f92d322011-03-24 11:09:31 +01003037 key = tcp_src_to_stktable_key(l4);
Willy Tarreauda7ff642010-06-23 11:44:09 +02003038 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003039 return 0;
Willy Tarreauda7ff642010-06-23 11:44:09 +02003040
Willy Tarreau24e32d82012-04-23 23:55:44 +02003041 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003042 return acl_fetch_http_err_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreauda7ff642010-06-23 11:44:09 +02003043}
3044
Willy Tarreaua5e37562011-12-16 17:06:15 +01003045/* set temp integer to the number of kbytes received from clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003046static int
Willy Tarreau37406352012-04-23 16:16:37 +02003047acl_fetch_kbytes_in(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003048{
Willy Tarreau37406352012-04-23 16:16:37 +02003049 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003050 smp->type = SMP_T_UINT;
3051 smp->data.uint = 0;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003052
3053 if (ts != NULL) {
3054 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_CNT);
3055 if (!ptr)
3056 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003057 smp->data.uint = stktable_data_cast(ptr, bytes_in_cnt) >> 10;
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003058 }
3059 return 1;
3060}
3061
Willy Tarreaua5e37562011-12-16 17:06:15 +01003062/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003063 * session's tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003064 */
3065static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003066acl_fetch_sc1_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003067 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003068{
Willy Tarreau56123282010-08-06 19:06:56 +02003069 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003070 return 0;
3071
Willy Tarreau37406352012-04-23 16:16:37 +02003072 return acl_fetch_kbytes_in(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003073}
3074
Willy Tarreaua5e37562011-12-16 17:06:15 +01003075/* set temp integer to the number of kbytes received from clients according to the
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003076 * session's tracked BE counters.
3077 */
3078static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003079acl_fetch_sc2_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003080 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003081{
Willy Tarreau56123282010-08-06 19:06:56 +02003082 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003083 return 0;
3084
Willy Tarreau37406352012-04-23 16:16:37 +02003085 return acl_fetch_kbytes_in(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003086}
3087
Willy Tarreaua5e37562011-12-16 17:06:15 +01003088/* set temp integer to the number of kbytes received from the session's source
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003089 * address in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003090 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003091 */
3092static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003093acl_fetch_src_kbytes_in(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003094 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003095{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003096 struct stktable_key *key;
3097
David du Colombier4f92d322011-03-24 11:09:31 +01003098 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003099 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003100 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003101
Willy Tarreau24e32d82012-04-23 23:55:44 +02003102 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003103 return acl_fetch_kbytes_in(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003104}
3105
Willy Tarreaua5e37562011-12-16 17:06:15 +01003106/* set temp integer to the bytes rate from clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003107 * configured period.
3108 */
3109static int
Willy Tarreau37406352012-04-23 16:16:37 +02003110acl_fetch_bytes_in_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003111{
Willy Tarreau37406352012-04-23 16:16:37 +02003112 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003113 smp->type = SMP_T_UINT;
3114 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003115 if (ts != NULL) {
3116 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_IN_RATE);
3117 if (!ptr)
3118 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003119 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_in_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003120 table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u);
3121 }
3122 return 1;
3123}
3124
Willy Tarreaua5e37562011-12-16 17:06:15 +01003125/* set temp integer to the bytes rate from clients from the session's tracked FE
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003126 * counters over the configured period.
3127 */
3128static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003129acl_fetch_sc1_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003130 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003131{
Willy Tarreau56123282010-08-06 19:06:56 +02003132 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003133 return 0;
3134
Willy Tarreau37406352012-04-23 16:16:37 +02003135 return acl_fetch_bytes_in_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003136}
3137
Willy Tarreaua5e37562011-12-16 17:06:15 +01003138/* set temp integer to the bytes rate from clients from the session's tracked BE
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003139 * counters over the configured period.
3140 */
3141static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003142acl_fetch_sc2_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003143 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003144{
Willy Tarreau56123282010-08-06 19:06:56 +02003145 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003146 return 0;
3147
Willy Tarreau37406352012-04-23 16:16:37 +02003148 return acl_fetch_bytes_in_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003149}
3150
Willy Tarreaua5e37562011-12-16 17:06:15 +01003151/* set temp integer to the bytes rate from clients from the session's source address
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003152 * in the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003153 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003154 */
3155static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003156acl_fetch_src_bytes_in_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003157 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003158{
3159 struct stktable_key *key;
3160
David du Colombier4f92d322011-03-24 11:09:31 +01003161 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003162 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003163 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003164
Willy Tarreau24e32d82012-04-23 23:55:44 +02003165 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003166 return acl_fetch_bytes_in_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003167}
3168
Willy Tarreaua5e37562011-12-16 17:06:15 +01003169/* set temp integer to the number of kbytes sent to clients matching the stksess entry <ts> */
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003170static int
Willy Tarreau37406352012-04-23 16:16:37 +02003171acl_fetch_kbytes_out(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003172{
Willy Tarreau37406352012-04-23 16:16:37 +02003173 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003174 smp->type = SMP_T_UINT;
3175 smp->data.uint = 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003176
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003177 if (ts != NULL) {
3178 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_CNT);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003179 if (!ptr)
3180 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003181 smp->data.uint = stktable_data_cast(ptr, bytes_out_cnt) >> 10;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003182 }
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003183 return 1;
3184}
3185
Willy Tarreaua5e37562011-12-16 17:06:15 +01003186/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003187 * tracked FE counters.
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003188 */
3189static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003190acl_fetch_sc1_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003191 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003192{
Willy Tarreau56123282010-08-06 19:06:56 +02003193 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003194 return 0;
3195
Willy Tarreau37406352012-04-23 16:16:37 +02003196 return acl_fetch_kbytes_out(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003197}
3198
Willy Tarreaua5e37562011-12-16 17:06:15 +01003199/* set temp integer to the number of kbytes sent to clients according to the session's
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003200 * tracked BE counters.
3201 */
3202static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003203acl_fetch_sc2_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003204 const struct arg *args, struct sample *smp)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003205{
Willy Tarreau56123282010-08-06 19:06:56 +02003206 if (!l4->stkctr2_entry)
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003207 return 0;
3208
Willy Tarreau37406352012-04-23 16:16:37 +02003209 return acl_fetch_kbytes_out(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau1aa006f2010-06-18 21:52:52 +02003210}
3211
Willy Tarreaua5e37562011-12-16 17:06:15 +01003212/* set temp integer to the number of kbytes sent to the session's source address in
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003213 * the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003214 * Accepts exactly 1 argument of type table.
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003215 */
3216static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003217acl_fetch_src_kbytes_out(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003218 const struct arg *args, struct sample *smp)
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003219{
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003220 struct stktable_key *key;
3221
David du Colombier4f92d322011-03-24 11:09:31 +01003222 key = tcp_src_to_stktable_key(l4);
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003223 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003224 return 0;
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003225
Willy Tarreau24e32d82012-04-23 23:55:44 +02003226 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003227 return acl_fetch_kbytes_out(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau855e4bb2010-06-18 18:33:32 +02003228}
3229
Willy Tarreaua5e37562011-12-16 17:06:15 +01003230/* set temp integer to the bytes rate to clients in the stksess entry <ts> over the
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003231 * configured period.
3232 */
3233static int
Willy Tarreau37406352012-04-23 16:16:37 +02003234acl_fetch_bytes_out_rate(struct stktable *table, struct sample *smp, struct stksess *ts)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003235{
Willy Tarreau37406352012-04-23 16:16:37 +02003236 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003237 smp->type = SMP_T_UINT;
3238 smp->data.uint = 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003239 if (ts != NULL) {
3240 void *ptr = stktable_data_ptr(table, ts, STKTABLE_DT_BYTES_OUT_RATE);
3241 if (!ptr)
3242 return 0; /* parameter not stored */
Willy Tarreauf853c462012-04-23 18:53:56 +02003243 smp->data.uint = read_freq_ctr_period(&stktable_data_cast(ptr, bytes_out_rate),
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003244 table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u);
3245 }
3246 return 1;
3247}
3248
Willy Tarreaua5e37562011-12-16 17:06:15 +01003249/* set temp integer to the bytes rate to clients from the session's tracked FE counters
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003250 * over the configured period.
3251 */
3252static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003253acl_fetch_sc1_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003254 const struct arg *args, struct sample *smp)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003255{
Willy Tarreau56123282010-08-06 19:06:56 +02003256 if (!l4->stkctr1_entry)
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003257 return 0;
3258
Willy Tarreau37406352012-04-23 16:16:37 +02003259 return acl_fetch_bytes_out_rate(l4->stkctr1_table, smp, l4->stkctr1_entry);
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003260}
3261
Willy Tarreaua5e37562011-12-16 17:06:15 +01003262/* set temp integer to the bytes rate to clients from the session's tracked BE counters
Willy Tarreauf059a0f2010-08-03 16:29:52 +02003263 * over the configured period.
3264 */
3265static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003266acl_fetch_sc2_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003267 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003268{
Willy Tarreau56123282010-08-06 19:06:56 +02003269 if (!l4->stkctr2_entry)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003270 return 0;
3271
Willy Tarreau37406352012-04-23 16:16:37 +02003272 return acl_fetch_bytes_out_rate(l4->stkctr2_table, smp, l4->stkctr2_entry);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003273}
3274
Willy Tarreaua5e37562011-12-16 17:06:15 +01003275/* set temp integer to the bytes rate to client from the session's source address in
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003276 * the table pointed to by expr, over the configured period.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003277 * Accepts exactly 1 argument of type table.
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003278 */
3279static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003280acl_fetch_src_bytes_out_rate(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003281 const struct arg *args, struct sample *smp)
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003282{
3283 struct stktable_key *key;
3284
David du Colombier4f92d322011-03-24 11:09:31 +01003285 key = tcp_src_to_stktable_key(l4);
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003286 if (!key)
David du Colombier4f92d322011-03-24 11:09:31 +01003287 return 0;
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003288
Willy Tarreau24e32d82012-04-23 23:55:44 +02003289 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003290 return acl_fetch_bytes_out_rate(&px->table, smp, stktable_lookup_key(&px->table, key));
Willy Tarreau6c59e0a2010-06-20 11:56:30 +02003291}
3292
Willy Tarreau34db1082012-04-19 17:16:54 +02003293/* set temp integer to the number of used entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003294 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003295 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003296static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003297acl_fetch_table_cnt(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003298 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003299{
Willy Tarreau37406352012-04-23 16:16:37 +02003300 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003301 smp->type = SMP_T_UINT;
Willy Tarreau24e32d82012-04-23 23:55:44 +02003302 smp->data.uint = args->data.prx->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003303 return 1;
3304}
3305
Willy Tarreau34db1082012-04-19 17:16:54 +02003306/* set temp integer to the number of free entries in the table pointed to by expr.
Willy Tarreau0146c2e2012-04-20 11:37:56 +02003307 * Accepts exactly 1 argument of type table.
Willy Tarreau34db1082012-04-19 17:16:54 +02003308 */
Willy Tarreauc735a072011-03-29 00:57:02 +02003309static int
Willy Tarreau32a6f2e2012-04-25 10:13:36 +02003310acl_fetch_table_avl(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
Willy Tarreau24e32d82012-04-23 23:55:44 +02003311 const struct arg *args, struct sample *smp)
Willy Tarreauc735a072011-03-29 00:57:02 +02003312{
Willy Tarreau24e32d82012-04-23 23:55:44 +02003313 px = args->data.prx;
Willy Tarreau37406352012-04-23 16:16:37 +02003314 smp->flags = SMP_F_VOL_TEST;
Willy Tarreauf853c462012-04-23 18:53:56 +02003315 smp->type = SMP_T_UINT;
3316 smp->data.uint = px->table.size - px->table.current;
Willy Tarreauc735a072011-03-29 00:57:02 +02003317 return 1;
3318}
Willy Tarreau8b22a712010-06-18 17:46:06 +02003319
Willy Tarreau61612d42012-04-19 18:42:05 +02003320/* Note: must not be declared <const> as its list will be overwritten.
3321 * Please take care of keeping this list alphabetically sorted.
3322 */
Willy Tarreau8b22a712010-06-18 17:46:06 +02003323static struct acl_kw_list acl_kws = {{ },{
Willy Tarreau61612d42012-04-19 18:42:05 +02003324 { "sc1_bytes_in_rate", acl_parse_int, acl_fetch_sc1_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3325 { "sc1_bytes_out_rate", acl_parse_int, acl_fetch_sc1_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3326 { "sc1_clr_gpc0", acl_parse_int, acl_fetch_sc1_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3327 { "sc1_conn_cnt", acl_parse_int, acl_fetch_sc1_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3328 { "sc1_conn_cur", acl_parse_int, acl_fetch_sc1_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3329 { "sc1_conn_rate", acl_parse_int, acl_fetch_sc1_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3330 { "sc1_get_gpc0", acl_parse_int, acl_fetch_sc1_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3331 { "sc1_http_err_cnt", acl_parse_int, acl_fetch_sc1_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3332 { "sc1_http_err_rate", acl_parse_int, acl_fetch_sc1_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3333 { "sc1_http_req_cnt", acl_parse_int, acl_fetch_sc1_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3334 { "sc1_http_req_rate", acl_parse_int, acl_fetch_sc1_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3335 { "sc1_inc_gpc0", acl_parse_int, acl_fetch_sc1_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3336 { "sc1_kbytes_in", acl_parse_int, acl_fetch_sc1_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3337 { "sc1_kbytes_out", acl_parse_int, acl_fetch_sc1_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3338 { "sc1_sess_cnt", acl_parse_int, acl_fetch_sc1_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3339 { "sc1_sess_rate", acl_parse_int, acl_fetch_sc1_sess_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3340 { "sc2_bytes_in_rate", acl_parse_int, acl_fetch_sc2_bytes_in_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3341 { "sc2_bytes_out_rate", acl_parse_int, acl_fetch_sc2_bytes_out_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3342 { "sc2_clr_gpc0", acl_parse_int, acl_fetch_sc2_clr_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3343 { "sc2_conn_cnt", acl_parse_int, acl_fetch_sc2_conn_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3344 { "sc2_conn_cur", acl_parse_int, acl_fetch_sc2_conn_cur, acl_match_int, ACL_USE_NOTHING, 0 },
3345 { "sc2_conn_rate", acl_parse_int, acl_fetch_sc2_conn_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3346 { "sc2_get_gpc0", acl_parse_int, acl_fetch_sc2_get_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3347 { "sc2_http_err_cnt", acl_parse_int, acl_fetch_sc2_http_err_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3348 { "sc2_http_err_rate", acl_parse_int, acl_fetch_sc2_http_err_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3349 { "sc2_http_req_cnt", acl_parse_int, acl_fetch_sc2_http_req_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3350 { "sc2_http_req_rate", acl_parse_int, acl_fetch_sc2_http_req_rate, acl_match_int, ACL_USE_NOTHING, 0 },
3351 { "sc2_inc_gpc0", acl_parse_int, acl_fetch_sc2_inc_gpc0, acl_match_int, ACL_USE_NOTHING, 0 },
3352 { "sc2_kbytes_in", acl_parse_int, acl_fetch_sc2_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3353 { "sc2_kbytes_out", acl_parse_int, acl_fetch_sc2_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, 0 },
3354 { "sc2_sess_cnt", acl_parse_int, acl_fetch_sc2_sess_cnt, acl_match_int, ACL_USE_NOTHING, 0 },
3355 { "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 +02003356 { "src_bytes_in_rate", acl_parse_int, acl_fetch_src_bytes_in_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3357 { "src_bytes_out_rate", acl_parse_int, acl_fetch_src_bytes_out_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3358 { "src_clr_gpc0", acl_parse_int, acl_fetch_src_clr_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3359 { "src_conn_cnt", acl_parse_int, acl_fetch_src_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3360 { "src_conn_cur", acl_parse_int, acl_fetch_src_conn_cur, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3361 { "src_conn_rate", acl_parse_int, acl_fetch_src_conn_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3362 { "src_get_gpc0", acl_parse_int, acl_fetch_src_get_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3363 { "src_http_err_cnt", acl_parse_int, acl_fetch_src_http_err_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3364 { "src_http_err_rate", acl_parse_int, acl_fetch_src_http_err_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3365 { "src_http_req_cnt", acl_parse_int, acl_fetch_src_http_req_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3366 { "src_http_req_rate", acl_parse_int, acl_fetch_src_http_req_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3367 { "src_inc_gpc0", acl_parse_int, acl_fetch_src_inc_gpc0, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3368 { "src_kbytes_in", acl_parse_int, acl_fetch_src_kbytes_in, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3369 { "src_kbytes_out", acl_parse_int, acl_fetch_src_kbytes_out, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3370 { "src_sess_cnt", acl_parse_int, acl_fetch_src_sess_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3371 { "src_sess_rate", acl_parse_int, acl_fetch_src_sess_rate, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3372 { "src_updt_conn_cnt", acl_parse_int, acl_fetch_src_updt_conn_cnt, acl_match_int, ACL_USE_TCP4_VOLATILE, ARG1(1,TAB) },
3373 { "table_avl", acl_parse_int, acl_fetch_table_avl, acl_match_int, ACL_USE_NOTHING, ARG1(1,TAB) },
3374 { "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 +02003375 { NULL, NULL, NULL, NULL },
3376}};
3377
3378
Willy Tarreau56123282010-08-06 19:06:56 +02003379/* Parse a "track-sc[12]" line starting with "track-sc[12]" in args[arg-1].
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003380 * Returns the number of warnings emitted, or -1 in case of fatal errors. The
3381 * <prm> struct is fed with the table name if any. If unspecified, the caller
3382 * will assume that the current proxy's table is used.
3383 */
3384int parse_track_counters(char **args, int *arg,
3385 int section_type, struct proxy *curpx,
3386 struct track_ctr_prm *prm,
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003387 struct proxy *defpx, char **err)
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003388{
Willy Tarreau12785782012-04-27 21:37:17 +02003389 int sample_type = 0;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003390
Willy Tarreau56123282010-08-06 19:06:56 +02003391 /* parse the arguments of "track-sc[12]" before the condition in the
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003392 * following form :
Willy Tarreau56123282010-08-06 19:06:56 +02003393 * track-sc[12] src [ table xxx ] [ if|unless ... ]
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003394 */
3395 while (args[*arg]) {
3396 if (strcmp(args[*arg], "src") == 0) {
3397 prm->type = STKTABLE_TYPE_IP;
Willy Tarreau12785782012-04-27 21:37:17 +02003398 sample_type = 1;
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003399 }
3400 else if (strcmp(args[*arg], "table") == 0) {
3401 if (!args[*arg + 1]) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003402 memprintf(err, "missing table name");
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003403 return -1;
3404 }
3405 /* we copy the table name for now, it will be resolved later */
3406 prm->table.n = strdup(args[*arg + 1]);
3407 (*arg)++;
3408 }
3409 else {
3410 /* unhandled keywords are handled by the caller */
3411 break;
3412 }
3413 (*arg)++;
3414 }
3415
Willy Tarreau12785782012-04-27 21:37:17 +02003416 if (!sample_type) {
Willy Tarreau0a3dd742012-05-08 19:47:01 +02003417 memprintf(err,
3418 "tracking key not specified (found %s, only 'src' is supported)",
3419 quote_arg(args[*arg]));
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02003420 return -1;
3421 }
3422
3423 return 0;
3424}
3425
Willy Tarreau8b22a712010-06-18 17:46:06 +02003426__attribute__((constructor))
3427static void __session_init(void)
3428{
3429 acl_register_keywords(&acl_kws);
3430}
3431
Willy Tarreaubaaee002006-06-26 02:48:02 +02003432/*
3433 * Local variables:
3434 * c-indent-level: 8
3435 * c-basic-offset: 8
3436 * End:
3437 */