blob: f545c10fd5d63e1c6cb401a618ee725de6bb4d7c [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
Willy Tarreau87b09662015-04-03 00:22:06 +02002 * Stream 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
Willy Tarreaua264d962020-06-04 22:29:18 +020017#include <import/ebistree.h>
18
Willy Tarreaudcc048a2020-06-04 19:11:43 +020019#include <haproxy/acl.h>
Willy Tarreau122eba92020-06-04 10:15:32 +020020#include <haproxy/action.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020021#include <haproxy/activity.h>
22#include <haproxy/api.h>
Willy Tarreau3f0f82e2020-06-04 19:42:41 +020023#include <haproxy/applet.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020024#include <haproxy/arg.h>
Willy Tarreau49801602020-06-04 22:50:02 +020025#include <haproxy/backend.h>
Willy Tarreau278161c2020-06-04 11:18:28 +020026#include <haproxy/capture.h>
Willy Tarreau6be78492020-06-05 00:00:29 +020027#include <haproxy/cfgparse.h>
Willy Tarreauf1d32c42020-06-04 21:07:02 +020028#include <haproxy/channel.h>
Willy Tarreau4aa573d2020-06-04 18:21:56 +020029#include <haproxy/check.h>
Willy Tarreau83487a82020-06-04 20:19:54 +020030#include <haproxy/cli.h>
Willy Tarreau7ea393d2020-06-04 18:02:10 +020031#include <haproxy/connection.h>
Willy Tarreau3afc4c42020-06-03 18:23:19 +020032#include <haproxy/dict.h>
Willy Tarreau2741c8c2020-06-02 11:28:02 +020033#include <haproxy/dynbuf.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020034#include <haproxy/fd.h>
Willy Tarreauc7babd82020-06-04 21:29:29 +020035#include <haproxy/filters.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020036#include <haproxy/freq_ctr.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020037#include <haproxy/frontend.h>
Willy Tarreauf268ee82020-06-04 17:05:57 +020038#include <haproxy/global.h>
Willy Tarreau86416052020-06-04 09:20:54 +020039#include <haproxy/hlua.h>
Willy Tarreauc2b1ff02020-06-04 21:21:03 +020040#include <haproxy/http_ana.h>
Willy Tarreauc761f842020-06-04 11:40:28 +020041#include <haproxy/http_rules.h>
Willy Tarreau16f958c2020-06-03 08:44:35 +020042#include <haproxy/htx.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020043#include <haproxy/istbuf.h>
Willy Tarreauaeed4a82020-06-04 22:01:04 +020044#include <haproxy/log.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020045#include <haproxy/pipe.h>
Willy Tarreaud0ef4392020-06-02 09:38:52 +020046#include <haproxy/pool.h>
Willy Tarreaua264d962020-06-04 22:29:18 +020047#include <haproxy/proxy.h>
Willy Tarreaua55c4542020-06-04 22:59:39 +020048#include <haproxy/queue.h>
Willy Tarreau1e56f922020-06-04 23:20:13 +020049#include <haproxy/server.h>
Emeric Brunc9437992021-02-12 19:42:55 +010050#include <haproxy/resolvers.h>
Amaury Denoyelle12bada52020-12-10 13:43:57 +010051#include <haproxy/sample.h>
Willy Tarreau48d25b32020-06-04 18:58:52 +020052#include <haproxy/session.h>
Willy Tarreau2eec9b52020-06-04 19:58:55 +020053#include <haproxy/stats-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020054#include <haproxy/stick_table.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020055#include <haproxy/stream.h>
Willy Tarreau5e539c92020-06-04 20:45:39 +020056#include <haproxy/stream_interface.h>
Willy Tarreaucea0e1b2020-06-04 17:25:40 +020057#include <haproxy/task.h>
Willy Tarreau8b550af2020-06-04 17:42:48 +020058#include <haproxy/tcp_rules.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020059#include <haproxy/thread.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020060#include <haproxy/trace.h>
Willy Tarreaua1718922020-06-04 16:25:31 +020061#include <haproxy/vars.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020062
Willy Tarreaubaaee002006-06-26 02:48:02 +020063
Willy Tarreau8ceae722018-11-26 11:58:30 +010064DECLARE_POOL(pool_head_stream, "stream", sizeof(struct stream));
Tim Duesterhus127a74d2020-02-28 15:13:33 +010065DECLARE_POOL(pool_head_uniqueid, "uniqueid", UNIQUEID_LEN);
Willy Tarreau8ceae722018-11-26 11:58:30 +010066
Willy Tarreaub9813182021-02-24 11:29:51 +010067/* incremented by each "show sess" to fix a delimiter between streams */
68unsigned stream_epoch = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +020069
Thierry FOURNIER5a363e72015-09-27 19:29:33 +020070/* List of all use-service keywords. */
71static struct list service_keywords = LIST_HEAD_INIT(service_keywords);
72
Willy Tarreau5790eb02017-08-28 17:18:36 +020073
Christopher Fauleteea8fc72019-11-05 16:18:10 +010074/* trace source and events */
75static void strm_trace(enum trace_level level, uint64_t mask,
76 const struct trace_source *src,
77 const struct ist where, const struct ist func,
78 const void *a1, const void *a2, const void *a3, const void *a4);
79
80/* The event representation is split like this :
81 * strm - stream
82 * si - stream interface
83 * http - http analyzis
84 * tcp - tcp analyzis
85 *
86 * STRM_EV_* macros are defined in <proto/stream.h>
87 */
88static const struct trace_event strm_trace_events[] = {
89 { .mask = STRM_EV_STRM_NEW, .name = "strm_new", .desc = "new stream" },
90 { .mask = STRM_EV_STRM_FREE, .name = "strm_free", .desc = "release stream" },
91 { .mask = STRM_EV_STRM_ERR, .name = "strm_err", .desc = "error during stream processing" },
92 { .mask = STRM_EV_STRM_ANA, .name = "strm_ana", .desc = "stream analyzers" },
93 { .mask = STRM_EV_STRM_PROC, .name = "strm_proc", .desc = "stream processing" },
94
95 { .mask = STRM_EV_SI_ST, .name = "si_state", .desc = "processing stream-interface states" },
96
97 { .mask = STRM_EV_HTTP_ANA, .name = "http_ana", .desc = "HTTP analyzers" },
98 { .mask = STRM_EV_HTTP_ERR, .name = "http_err", .desc = "error during HTTP analyzis" },
99
100 { .mask = STRM_EV_TCP_ANA, .name = "tcp_ana", .desc = "TCP analyzers" },
101 { .mask = STRM_EV_TCP_ERR, .name = "tcp_err", .desc = "error during TCP analyzis" },
Christopher Fauletd176ff52022-03-08 15:47:02 +0100102
103 { .mask = STRM_EV_FLT_ANA, .name = "flt_ana", .desc = "Filter analyzers" },
104 { .mask = STRM_EV_FLT_ERR, .name = "flt_err", .desc = "error during filter analyzis" },
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100105 {}
106};
107
108static const struct name_desc strm_trace_lockon_args[4] = {
109 /* arg1 */ { /* already used by the stream */ },
110 /* arg2 */ { },
111 /* arg3 */ { },
112 /* arg4 */ { }
113};
114
115static const struct name_desc strm_trace_decoding[] = {
116#define STRM_VERB_CLEAN 1
117 { .name="clean", .desc="only user-friendly stuff, generally suitable for level \"user\"" },
118#define STRM_VERB_MINIMAL 2
119 { .name="minimal", .desc="report info on stream and stream-interfaces" },
120#define STRM_VERB_SIMPLE 3
121 { .name="simple", .desc="add info on request and response channels" },
122#define STRM_VERB_ADVANCED 4
123 { .name="advanced", .desc="add info on channel's buffer for data and developer levels only" },
124#define STRM_VERB_COMPLETE 5
125 { .name="complete", .desc="add info on channel's buffer" },
126 { /* end */ }
127};
128
129struct trace_source trace_strm = {
130 .name = IST("stream"),
131 .desc = "Applicative stream",
132 .arg_def = TRC_ARG1_STRM, // TRACE()'s first argument is always a stream
133 .default_cb = strm_trace,
134 .known_events = strm_trace_events,
135 .lockon_args = strm_trace_lockon_args,
136 .decoding = strm_trace_decoding,
137 .report_events = ~0, // report everything by default
138};
139
140#define TRACE_SOURCE &trace_strm
141INITCALL1(STG_REGISTER, trace_register_source, TRACE_SOURCE);
142
143/* the stream traces always expect that arg1, if non-null, is of a stream (from
144 * which we can derive everything), that arg2, if non-null, is an http
145 * transaction, that arg3, if non-null, is an http message.
146 */
147static void strm_trace(enum trace_level level, uint64_t mask, const struct trace_source *src,
148 const struct ist where, const struct ist func,
149 const void *a1, const void *a2, const void *a3, const void *a4)
150{
151 const struct stream *s = a1;
152 const struct http_txn *txn = a2;
153 const struct http_msg *msg = a3;
154 struct task *task;
155 const struct stream_interface *si_f, *si_b;
156 const struct channel *req, *res;
157 struct htx *htx;
158
159 if (!s || src->verbosity < STRM_VERB_CLEAN)
160 return;
161
162 task = s->task;
163 si_f = &s->si[0];
164 si_b = &s->si[1];
165 req = &s->req;
166 res = &s->res;
167 htx = (msg ? htxbuf(&msg->chn->buf) : NULL);
168
169 /* General info about the stream (htx/tcp, id...) */
170 chunk_appendf(&trace_buf, " : [%u,%s]",
171 s->uniq_id, ((s->flags & SF_HTX) ? "HTX" : "TCP"));
Tim Duesterhusa17e6622020-03-05 20:19:02 +0100172 if (isttest(s->unique_id)) {
173 chunk_appendf(&trace_buf, " id=");
174 b_putist(&trace_buf, s->unique_id);
175 }
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100176
177 /* Front and back stream-int state */
178 chunk_appendf(&trace_buf, " SI=(%s,%s)",
179 si_state_str(si_f->state), si_state_str(si_b->state));
180
181 /* If txn is defined, HTTP req/rep states */
182 if (txn)
183 chunk_appendf(&trace_buf, " HTTP=(%s,%s)",
184 h1_msg_state_str(txn->req.msg_state), h1_msg_state_str(txn->rsp.msg_state));
185 if (msg)
186 chunk_appendf(&trace_buf, " %s", ((msg->chn->flags & CF_ISRESP) ? "RESPONSE" : "REQUEST"));
187
188 if (src->verbosity == STRM_VERB_CLEAN)
189 return;
190
191 /* If msg defined, display status-line if possible (verbosity > MINIMAL) */
192 if (src->verbosity > STRM_VERB_MINIMAL && htx && htx_nbblks(htx)) {
193 const struct htx_blk *blk = htx_get_head_blk(htx);
194 const struct htx_sl *sl = htx_get_blk_ptr(htx, blk);
195 enum htx_blk_type type = htx_get_blk_type(blk);
196
197 if (type == HTX_BLK_REQ_SL || type == HTX_BLK_RES_SL)
198 chunk_appendf(&trace_buf, " - \"%.*s %.*s %.*s\"",
199 HTX_SL_P1_LEN(sl), HTX_SL_P1_PTR(sl),
200 HTX_SL_P2_LEN(sl), HTX_SL_P2_PTR(sl),
201 HTX_SL_P3_LEN(sl), HTX_SL_P3_PTR(sl));
202 }
203
204
205 /* If txn defined info about HTTP msgs, otherwise info about SI. */
206 if (txn) {
207 chunk_appendf(&trace_buf, " - t=%p s=(%p,0x%08x) txn.flags=0x%08x, http.flags=(0x%08x,0x%08x) status=%d",
208 task, s, s->flags, txn->flags, txn->req.flags, txn->rsp.flags, txn->status);
209 }
210 else {
211 chunk_appendf(&trace_buf, " - t=%p s=(%p,0x%08x) si_f=(%p,0x%08x,0x%x) si_b=(%p,0x%08x,0x%x) retries=%d",
212 task, s, s->flags, si_f, si_f->flags, si_f->err_type,
213 si_b, si_b->flags, si_b->err_type, si_b->conn_retries);
214 }
215
216 if (src->verbosity == STRM_VERB_MINIMAL)
217 return;
218
219
220 /* If txn defined, don't display all channel info */
221 if (src->verbosity == STRM_VERB_SIMPLE || txn) {
222 chunk_appendf(&trace_buf, " req=(%p .fl=0x%08x .exp(r,w,a)=(%u,%u,%u))",
223 req, req->flags, req->rex, req->wex, req->analyse_exp);
224 chunk_appendf(&trace_buf, " res=(%p .fl=0x%08x .exp(r,w,a)=(%u,%u,%u))",
225 res, res->flags, res->rex, res->wex, res->analyse_exp);
226 }
227 else {
228 chunk_appendf(&trace_buf, " req=(%p .fl=0x%08x .ana=0x%08x .exp(r,w,a)=(%u,%u,%u) .o=%lu .tot=%llu .to_fwd=%u)",
229 req, req->flags, req->analysers, req->rex, req->wex, req->analyse_exp,
Willy Tarreaue18f53e2019-11-27 15:41:31 +0100230 (long)req->output, req->total, req->to_forward);
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100231 chunk_appendf(&trace_buf, " res=(%p .fl=0x%08x .ana=0x%08x .exp(r,w,a)=(%u,%u,%u) .o=%lu .tot=%llu .to_fwd=%u)",
232 res, res->flags, res->analysers, res->rex, res->wex, res->analyse_exp,
Willy Tarreaue18f53e2019-11-27 15:41:31 +0100233 (long)res->output, res->total, res->to_forward);
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100234 }
235
236 if (src->verbosity == STRM_VERB_SIMPLE ||
237 (src->verbosity == STRM_VERB_ADVANCED && src->level < TRACE_LEVEL_DATA))
238 return;
239
240 /* channels' buffer info */
241 if (s->flags & SF_HTX) {
242 struct htx *rqhtx = htxbuf(&req->buf);
243 struct htx *rphtx = htxbuf(&res->buf);
244
245 chunk_appendf(&trace_buf, " htx=(%u/%u#%u, %u/%u#%u)",
246 rqhtx->data, rqhtx->size, htx_nbblks(rqhtx),
247 rphtx->data, rphtx->size, htx_nbblks(rphtx));
248 }
249 else {
250 chunk_appendf(&trace_buf, " buf=(%u@%p+%u/%u, %u@%p+%u/%u)",
251 (unsigned int)b_data(&req->buf), b_orig(&req->buf),
252 (unsigned int)b_head_ofs(&req->buf), (unsigned int)b_size(&req->buf),
Christopher Fauleta46c35c2022-03-08 15:48:55 +0100253 (unsigned int)b_data(&res->buf), b_orig(&res->buf),
254 (unsigned int)b_head_ofs(&res->buf), (unsigned int)b_size(&res->buf));
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100255 }
256
257 /* If msg defined, display htx info if defined (level > USER) */
258 if (src->level > TRACE_LEVEL_USER && htx && htx_nbblks(htx)) {
259 int full = 0;
260
261 /* Full htx info (level > STATE && verbosity > SIMPLE) */
262 if (src->level > TRACE_LEVEL_STATE) {
263 if (src->verbosity == STRM_VERB_COMPLETE)
264 full = 1;
265 }
266
267 chunk_memcat(&trace_buf, "\n\t", 2);
268 htx_dump(&trace_buf, htx, full);
269 }
270}
271
Willy Tarreau5790eb02017-08-28 17:18:36 +0200272/* Create a new stream for connection <conn>. Return < 0 on error. This is only
273 * valid right after the handshake, before the connection's data layer is
Christopher Faulet16df1782020-12-04 16:47:41 +0100274 * initialized, because it relies on the session to be in conn->owner. On
275 * success, <input> buffer is transferred to the stream and thus points to
276 * BUF_NULL. On error, it is unchanged and it is the caller responsibility to
277 * release it.
Willy Tarreau5790eb02017-08-28 17:18:36 +0200278 */
Christopher Faulet26256f82020-09-14 11:40:13 +0200279int stream_create_from_cs(struct conn_stream *cs, struct buffer *input)
Willy Tarreau5790eb02017-08-28 17:18:36 +0200280{
281 struct stream *strm;
282
Christopher Faulet26256f82020-09-14 11:40:13 +0200283 strm = stream_new(cs->conn->owner, &cs->obj_type, input);
Willy Tarreau5790eb02017-08-28 17:18:36 +0200284 if (strm == NULL)
285 return -1;
286
287 task_wakeup(strm->task, TASK_WOKEN_INIT);
288 return 0;
289}
290
Christopher Faulet4ef84c92021-01-21 17:36:12 +0100291/* Upgrade an existing TCP stream for connection <conn>. Return < 0 on error.
292 * This is only valid right after a TCP to H1 upgrade. The stream should be
293 * "reativated" by removing SF_IGNORE flag. And the right mode must be set.
294 * On success, <input> buffer is transferred to the stream and thus points to
295 * BUF_NULL. On error, it is unchanged and it is the caller responsibility to
296 * release it (this never happens for now).
297 */
298int stream_upgrade_from_cs(struct conn_stream *cs, struct buffer *input)
299{
300 struct stream_interface *si = cs->data;
301 struct stream *s = si_strm(si);
302
303 if (cs->conn->mux->flags & MX_FL_HTX)
304 s->flags |= SF_HTX;
305
306 if (!b_is_null(input)) {
307 /* Xfer the input buffer to the request channel. <input> will
308 * than point to BUF_NULL. From this point, it is the stream
309 * responsibility to release it.
310 */
311 s->req.buf = *input;
312 *input = BUF_NULL;
313 s->req.total = (IS_HTX_STRM(s) ? htxbuf(&s->req.buf)->data : b_data(&s->req.buf));
314 s->req.flags |= (s->req.total ? CF_READ_PARTIAL : 0);
315 }
316
317 s->flags &= ~SF_IGNORE;
318
319 task_wakeup(s->task, TASK_WOKEN_INIT);
320 return 0;
321}
322
Willy Tarreaub882dd82018-11-06 15:50:21 +0100323/* Callback used to wake up a stream when an input buffer is available. The
324 * stream <s>'s stream interfaces are checked for a failed buffer allocation
Willy Tarreaud0f5bbc2018-11-14 11:10:26 +0100325 * as indicated by the presence of the SI_FL_RXBLK_ROOM flag and the lack of a
Willy Tarreaub882dd82018-11-06 15:50:21 +0100326 * buffer, and and input buffer is assigned there (at most one). The function
327 * returns 1 and wakes the stream up if a buffer was taken, otherwise zero.
328 * It's designed to be called from __offer_buffer().
329 */
330int stream_buf_available(void *arg)
331{
332 struct stream *s = arg;
333
Willy Tarreau8be7cd72018-11-14 15:12:08 +0100334 if (!s->req.buf.size && !s->req.pipe && (s->si[0].flags & SI_FL_RXBLK_BUFF) &&
Willy Tarreaud68d4f12021-03-22 14:44:31 +0100335 b_alloc(&s->req.buf))
Willy Tarreau8be7cd72018-11-14 15:12:08 +0100336 si_rx_buff_rdy(&s->si[0]);
337 else if (!s->res.buf.size && !s->res.pipe && (s->si[1].flags & SI_FL_RXBLK_BUFF) &&
Willy Tarreaud68d4f12021-03-22 14:44:31 +0100338 b_alloc(&s->res.buf))
Willy Tarreau8be7cd72018-11-14 15:12:08 +0100339 si_rx_buff_rdy(&s->si[1]);
Willy Tarreaub882dd82018-11-06 15:50:21 +0100340 else
341 return 0;
342
343 task_wakeup(s->task, TASK_WOKEN_RES);
344 return 1;
345
346}
347
Willy Tarreau9903f0e2015-04-04 18:50:31 +0200348/* This function is called from the session handler which detects the end of
Willy Tarreau73b65ac2015-04-08 18:26:29 +0200349 * handshake, in order to complete initialization of a valid stream. It must be
Joseph Herlant4cc8d0d2018-11-15 09:14:14 -0800350 * called with a completely initialized session. It returns the pointer to
Willy Tarreau73b65ac2015-04-08 18:26:29 +0200351 * the newly created stream, or NULL in case of fatal error. The client-facing
Willy Tarreau87787ac2017-08-28 16:22:54 +0200352 * end point is assigned to <origin>, which must be valid. The stream's task
353 * is configured with a nice value inherited from the listener's nice if any.
354 * The task's context is set to the new stream, and its function is set to
Christopher Faulet16df1782020-12-04 16:47:41 +0100355 * process_stream(). Target and analysers are null. <input> is used as input
356 * buffer for the request channel and may contain data. On success, it is
357 * transfer to the stream and <input> is set to BUF_NULL. On error, <input>
358 * buffer is unchanged and it is the caller responsibility to release it.
Willy Tarreau2542b532012-08-31 16:01:23 +0200359 */
Christopher Faulet26256f82020-09-14 11:40:13 +0200360struct stream *stream_new(struct session *sess, enum obj_type *origin, struct buffer *input)
Willy Tarreau2542b532012-08-31 16:01:23 +0200361{
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200362 struct stream *s;
Willy Tarreau87787ac2017-08-28 16:22:54 +0200363 struct task *t;
Olivier Houchard9aaf7782017-09-13 18:30:23 +0200364 struct conn_stream *cs = objt_cs(origin);
Willy Tarreau73b65ac2015-04-08 18:26:29 +0200365 struct appctx *appctx = objt_appctx(origin);
Willy Tarreau2542b532012-08-31 16:01:23 +0200366
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100367 DBG_TRACE_ENTER(STRM_EV_STRM_NEW);
Willy Tarreaubafbe012017-11-24 17:34:44 +0100368 if (unlikely((s = pool_alloc(pool_head_stream)) == NULL))
Willy Tarreau87787ac2017-08-28 16:22:54 +0200369 goto out_fail_alloc;
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200370
371 /* minimum stream initialization required for an embryonic stream is
372 * fairly low. We need very little to execute L4 ACLs, then we need a
373 * task to make the client-side connection live on its own.
374 * - flags
375 * - stick-entry tracking
376 */
377 s->flags = 0;
Willy Tarreaufb9f5842015-04-05 18:19:23 +0200378 s->logs.logwait = sess->fe->to_log;
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200379 s->logs.level = 0;
Willy Tarreau99eb0f12015-04-05 12:03:54 +0200380 tv_zero(&s->logs.tv_request);
381 s->logs.t_queue = -1;
382 s->logs.t_connect = -1;
383 s->logs.t_data = -1;
384 s->logs.t_close = 0;
385 s->logs.bytes_in = s->logs.bytes_out = 0;
Patrick Hemmerffe5e8c2018-05-11 12:52:31 -0400386 s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */
387 s->logs.srv_queue_pos = 0; /* we will get this number soon */
Baptiste Assmann333939c2019-01-21 08:34:50 +0100388 s->obj_type = OBJ_TYPE_STREAM;
Willy Tarreau99eb0f12015-04-05 12:03:54 +0200389
Christopher Faulet15e525f2020-09-30 14:03:54 +0200390 s->logs.accept_date = sess->accept_date;
391 s->logs.tv_accept = sess->tv_accept;
392 s->logs.t_handshake = sess->t_handshake;
Christopher Faulet7a6c5132020-09-30 13:49:56 +0200393 s->logs.t_idle = sess->t_idle;
Christopher Fauletb3484d62018-11-29 15:19:05 +0100394
Willy Tarreau99eb0f12015-04-05 12:03:54 +0200395 /* default logging function */
396 s->do_log = strm_log;
397
398 /* default error reporting function, may be changed by analysers */
399 s->srv_error = default_srv_error;
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200400
401 /* Initialise the current rule list pointer to NULL. We are sure that
402 * any rulelist match the NULL pointer.
403 */
404 s->current_rule_list = NULL;
Remi Gacogne7fb9de22015-07-22 17:10:58 +0200405 s->current_rule = NULL;
Christopher Faulet2747fbb2020-07-28 11:56:13 +0200406 s->rules_exp = TICK_ETERNITY;
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200407
Willy Tarreaua68f7622015-09-21 17:48:24 +0200408 /* Copy SC counters for the stream. We don't touch refcounts because
409 * any reference we have is inherited from the session. Since the stream
410 * doesn't exist without the session, the session's existence guarantees
411 * we don't lose the entry. During the store operation, the stream won't
412 * touch these ones.
Thierry FOURNIER827752e2015-08-18 11:34:18 +0200413 */
Thierry FOURNIERc8fdb982015-08-16 12:03:39 +0200414 memcpy(s->stkctr, sess->stkctr, sizeof(s->stkctr));
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200415
416 s->sess = sess;
417 s->si[0].flags = SI_FL_NONE;
418 s->si[1].flags = SI_FL_ISBACK;
419
Willy Tarreaub9813182021-02-24 11:29:51 +0100420 s->stream_epoch = _HA_ATOMIC_LOAD(&stream_epoch);
Willy Tarreau18515722021-04-06 11:57:41 +0200421 s->uniq_id = _HA_ATOMIC_FETCH_ADD(&global.req_count, 1);
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200422
Willy Tarreau87b09662015-04-03 00:22:06 +0200423 /* OK, we're keeping the stream, so let's properly initialize the stream */
Willy Tarreau2542b532012-08-31 16:01:23 +0200424 LIST_INIT(&s->back_refs);
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100425
Willy Tarreau90f366b2021-02-20 11:49:49 +0100426 LIST_INIT(&s->buffer_wait.list);
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100427 s->buffer_wait.target = s;
Willy Tarreaub882dd82018-11-06 15:50:21 +0100428 s->buffer_wait.wakeup_cb = stream_buf_available;
Willy Tarreauf8a49ea2013-10-14 21:32:07 +0200429
Willy Tarreaufa1258f2021-04-10 23:00:53 +0200430 s->call_rate.curr_tick = s->call_rate.curr_ctr = s->call_rate.prev_ctr = 0;
William Lallemandcf62f7e2018-10-26 14:47:40 +0200431 s->pcli_next_pid = 0;
William Lallemandebf61802018-12-11 16:10:57 +0100432 s->pcli_flags = 0;
Tim Duesterhusa17e6622020-03-05 20:19:02 +0100433 s->unique_id = IST_NULL;
Willy Tarreau2542b532012-08-31 16:01:23 +0200434
Emeric Brunc60def82017-09-27 14:59:38 +0200435 if ((t = task_new(tid_bit)) == NULL)
Willy Tarreau87787ac2017-08-28 16:22:54 +0200436 goto out_fail_alloc;
437
Willy Tarreau02a0c0e2015-04-04 18:08:21 +0200438 s->task = t;
Christopher Faulet9d810ca2016-12-08 22:33:52 +0100439 s->pending_events = 0;
Willy Tarreaud1769b82015-04-06 00:25:48 +0200440 t->process = process_stream;
Willy Tarreau2542b532012-08-31 16:01:23 +0200441 t->context = s;
442 t->expire = TICK_ETERNITY;
Willy Tarreau87787ac2017-08-28 16:22:54 +0200443 if (sess->listener)
444 t->nice = sess->listener->nice;
Willy Tarreau2542b532012-08-31 16:01:23 +0200445
Willy Tarreau87b09662015-04-03 00:22:06 +0200446 /* Note: initially, the stream's backend points to the frontend.
Willy Tarreau2542b532012-08-31 16:01:23 +0200447 * This changes later when switching rules are executed or
448 * when the default backend is assigned.
449 */
Willy Tarreaue36cbcb2015-04-03 15:40:56 +0200450 s->be = sess->fe;
Willy Tarreaucb7dd012015-04-03 22:16:32 +0200451 s->req_cap = NULL;
452 s->res_cap = NULL;
Willy Tarreau2542b532012-08-31 16:01:23 +0200453
Willy Tarreauebcd4842015-06-19 11:59:02 +0200454 /* Initialise all the variables contexts even if not used.
455 * This permits to prune these contexts without errors.
Thierry FOURNIER4834bc72015-06-06 19:29:07 +0200456 */
Thierry FOURNIER4834bc72015-06-06 19:29:07 +0200457 vars_init(&s->vars_txn, SCOPE_TXN);
458 vars_init(&s->vars_reqres, SCOPE_REQ);
459
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200460 /* this part should be common with other protocols */
Olivier Houchard8f0b4c62018-08-02 18:21:38 +0200461 if (si_reset(&s->si[0]) < 0)
462 goto out_fail_alloc;
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200463 si_set_state(&s->si[0], SI_ST_EST);
Hongbo Longe39683c2017-03-10 18:41:51 +0100464 s->si[0].hcto = sess->fe->timeout.clientfin;
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200465
Christopher Faulet0e160ff2019-04-03 10:01:07 +0200466 if (cs && cs->conn->mux) {
467 if (cs->conn->mux->flags & MX_FL_CLEAN_ABRT)
468 s->si[0].flags |= SI_FL_CLEAN_ABRT;
469 if (cs->conn->mux->flags & MX_FL_HTX)
470 s->flags |= SF_HTX;
Amaury Denoyelleee7fcd52021-10-18 14:45:49 +0200471
472 if (cs->flags & CS_FL_WEBSOCKET)
473 s->flags |= SF_WEBSOCKET;
Christopher Faulet0e160ff2019-04-03 10:01:07 +0200474 }
Christopher Faulet3494c632019-07-15 14:58:26 +0200475 /* Set SF_HTX flag for HTTP frontends. */
476 if (sess->fe->mode == PR_MODE_HTTP)
Christopher Faulet0e160ff2019-04-03 10:01:07 +0200477 s->flags |= SF_HTX;
Willy Tarreau984fca92017-12-20 16:31:43 +0100478
Willy Tarreau1f52bb22015-04-04 14:28:46 +0200479 /* attach the incoming connection to the stream interface now. */
Olivier Houchard9aaf7782017-09-13 18:30:23 +0200480 if (cs)
481 si_attach_cs(&s->si[0], cs);
Willy Tarreau470280e2015-04-05 01:33:13 +0200482 else if (appctx)
483 si_attach_appctx(&s->si[0], appctx);
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200484
Willy Tarreaue36cbcb2015-04-03 15:40:56 +0200485 if (likely(sess->fe->options2 & PR_O2_INDEPSTR))
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200486 s->si[0].flags |= SI_FL_INDEP_STR;
487
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200488 /* pre-initialize the other side's stream interface to an INIT state. The
489 * callbacks will be initialized before attempting to connect.
490 */
Olivier Houchard8f0b4c62018-08-02 18:21:38 +0200491 if (si_reset(&s->si[1]) < 0)
492 goto out_fail_alloc_si1;
Hongbo Longe39683c2017-03-10 18:41:51 +0100493 s->si[1].hcto = TICK_ETERNITY;
Willy Tarreaub363a1f2013-10-01 10:45:07 +0200494
Willy Tarreaue36cbcb2015-04-03 15:40:56 +0200495 if (likely(sess->fe->options2 & PR_O2_INDEPSTR))
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200496 s->si[1].flags |= SI_FL_INDEP_STR;
497
Willy Tarreau87b09662015-04-03 00:22:06 +0200498 stream_init_srv_conn(s);
Willy Tarreau9b82d942016-12-05 00:26:31 +0100499 s->target = sess->listener ? sess->listener->default_target : NULL;
Willy Tarreau90420602019-07-18 15:09:57 +0200500 s->target_addr = NULL;
Willy Tarreau9b82d942016-12-05 00:26:31 +0100501
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200502 s->pend_pos = NULL;
Patrick Hemmer268a7072018-05-11 12:52:31 -0400503 s->priority_class = 0;
504 s->priority_offset = 0;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200505
506 /* init store persistence */
507 s->store_count = 0;
508
Christopher Faulet16df1782020-12-04 16:47:41 +0100509 channel_init(&s->req);
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100510 s->req.flags |= CF_READ_ATTACHED; /* the producer is already connected */
Willy Tarreau9b82d942016-12-05 00:26:31 +0100511 s->req.analysers = sess->listener ? sess->listener->analysers : 0;
Willy Tarreaue223e3b2017-11-18 15:39:10 +0100512
Christopher Faulet57e4a1b2021-03-15 17:09:27 +0100513 if (IS_HTX_STRM(s)) {
514 /* Be sure to have HTTP analysers because in case of
515 * "destructive" stream upgrade, they may be missing (e.g
516 * TCP>H2)
517 */
518 s->req.analysers |= AN_REQ_WAIT_HTTP|AN_REQ_HTTP_PROCESS_FE;
519 }
520
Willy Tarreaue223e3b2017-11-18 15:39:10 +0100521 if (!sess->fe->fe_req_ana) {
522 channel_auto_connect(&s->req); /* don't wait to establish connection */
523 channel_auto_close(&s->req); /* let the producer forward close requests */
524 }
Willy Tarreauc8815ef2015-04-05 18:15:59 +0200525
526 s->req.rto = sess->fe->timeout.client;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100527 s->req.wto = TICK_ETERNITY;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100528 s->req.rex = TICK_ETERNITY;
529 s->req.wex = TICK_ETERNITY;
530 s->req.analyse_exp = TICK_ETERNITY;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200531
Christopher Faulet16df1782020-12-04 16:47:41 +0100532 channel_init(&s->res);
Willy Tarreauef573c02014-11-28 14:17:09 +0100533 s->res.flags |= CF_ISRESP;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100534 s->res.analysers = 0;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200535
Willy Tarreaue36cbcb2015-04-03 15:40:56 +0200536 if (sess->fe->options2 & PR_O2_NODELAY) {
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100537 s->req.flags |= CF_NEVER_WAIT;
538 s->res.flags |= CF_NEVER_WAIT;
Willy Tarreau96e31212011-05-30 18:10:30 +0200539 }
540
Willy Tarreauc8815ef2015-04-05 18:15:59 +0200541 s->res.wto = sess->fe->timeout.client;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100542 s->res.rto = TICK_ETERNITY;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100543 s->res.rex = TICK_ETERNITY;
544 s->res.wex = TICK_ETERNITY;
545 s->res.analyse_exp = TICK_ETERNITY;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200546
Willy Tarreaueee5b512015-04-03 23:46:31 +0200547 s->txn = NULL;
Thierry FOURNIER2c8b54e2016-12-17 12:45:32 +0100548 s->hlua = NULL;
Thierry FOURNIER65f34c62015-02-16 20:11:43 +0100549
Emeric Brun08622d32020-12-23 17:41:43 +0100550 s->resolv_ctx.requester = NULL;
551 s->resolv_ctx.hostname_dn = NULL;
552 s->resolv_ctx.hostname_dn_len = 0;
553 s->resolv_ctx.parent = NULL;
Frédéric Lécaillebed883a2019-04-23 17:26:33 +0200554
Amaury Denoyellefb504432020-12-10 13:43:53 +0100555 s->tunnel_timeout = TICK_ETERNITY;
556
Willy Tarreau2b718102021-04-21 07:32:39 +0200557 LIST_APPEND(&ti->streams, &s->list);
Emeric Brun6b35e9b2017-06-30 16:23:45 +0200558
Christopher Faulet92d36382015-11-05 13:35:03 +0100559 if (flt_stream_init(s) < 0 || flt_stream_start(s) < 0)
Christopher Fauletd7c91962015-04-30 11:48:27 +0200560 goto out_fail_accept;
561
Olivier Houcharda254a372019-04-05 15:30:12 +0200562 s->si[1].l7_buffer = BUF_NULL;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200563 /* finish initialization of the accepted file descriptor */
Olivier Houchard53216e72018-10-10 15:46:36 +0200564 if (appctx)
Willy Tarreau0cd3bd62018-11-06 18:46:37 +0100565 si_want_get(&s->si[0]);
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200566
Willy Tarreaufb9f5842015-04-05 18:19:23 +0200567 if (sess->fe->accept && sess->fe->accept(s) < 0)
Willy Tarreauc5a7ff42015-04-05 11:52:08 +0200568 goto out_fail_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200569
Christopher Faulet16df1782020-12-04 16:47:41 +0100570 if (!b_is_null(input)) {
571 /* Xfer the input buffer to the request channel. <input> will
572 * than point to BUF_NULL. From this point, it is the stream
573 * responsibility to release it.
574 */
575 s->req.buf = *input;
576 *input = BUF_NULL;
Christopher Fauletc43fca02020-12-04 17:22:49 +0100577 s->req.total = (IS_HTX_STRM(s) ? htxbuf(&s->req.buf)->data : b_data(&s->req.buf));
Christopher Faulet16df1782020-12-04 16:47:41 +0100578 s->req.flags |= (s->req.total ? CF_READ_PARTIAL : 0);
579 }
580
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200581 /* it is important not to call the wakeup function directly but to
582 * pass through task_wakeup(), because this one knows how to apply
Emeric Brun5f77fef2017-05-29 15:26:51 +0200583 * priorities to tasks. Using multi thread we must be sure that
584 * stream is fully initialized before calling task_wakeup. So
585 * the caller must handle the task_wakeup
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200586 */
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100587 DBG_TRACE_LEAVE(STRM_EV_STRM_NEW, s);
Willy Tarreau02d86382015-04-05 12:00:52 +0200588 return s;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200589
590 /* Error unrolling */
Willy Tarreauc5a7ff42015-04-05 11:52:08 +0200591 out_fail_accept:
Christopher Faulet92d36382015-11-05 13:35:03 +0100592 flt_stream_release(s, 0);
Olivier Houchard3f795f72019-04-17 22:51:06 +0200593 task_destroy(t);
Willy Tarreau3c39a7d2019-06-14 14:42:29 +0200594 tasklet_free(s->si[1].wait_event.tasklet);
Willy Tarreau2b718102021-04-21 07:32:39 +0200595 LIST_DELETE(&s->list);
Olivier Houchard8f0b4c62018-08-02 18:21:38 +0200596out_fail_alloc_si1:
Willy Tarreau3c39a7d2019-06-14 14:42:29 +0200597 tasklet_free(s->si[0].wait_event.tasklet);
Willy Tarreau87787ac2017-08-28 16:22:54 +0200598 out_fail_alloc:
Willy Tarreaubafbe012017-11-24 17:34:44 +0100599 pool_free(pool_head_stream, s);
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100600 DBG_TRACE_DEVEL("leaving on error", STRM_EV_STRM_NEW|STRM_EV_STRM_ERR);
Willy Tarreau02d86382015-04-05 12:00:52 +0200601 return NULL;
Willy Tarreau81f9aa32010-06-01 17:45:26 +0200602}
603
Willy Tarreaubaaee002006-06-26 02:48:02 +0200604/*
Willy Tarreau87b09662015-04-03 00:22:06 +0200605 * frees the context associated to a stream. It must have been removed first.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200606 */
Willy Tarreau87b09662015-04-03 00:22:06 +0200607static void stream_free(struct stream *s)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200608{
Willy Tarreau9ad7bd42015-04-03 19:19:59 +0200609 struct session *sess = strm_sess(s);
610 struct proxy *fe = sess->fe;
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100611 struct bref *bref, *back;
Olivier Houchard9aaf7782017-09-13 18:30:23 +0200612 struct conn_stream *cli_cs = objt_cs(s->si[0].end);
Willy Tarreau5bcfd562017-11-29 14:05:38 +0100613 int must_free_sess;
Willy Tarreaua4cda672010-06-06 18:28:49 +0200614 int i;
Willy Tarreau0f7562b2007-01-07 15:46:13 +0100615
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100616 DBG_TRACE_POINT(STRM_EV_STRM_FREE, s);
617
Willy Tarreau0ad46fa2019-05-17 14:20:05 +0200618 /* detach the stream from its own task before even releasing it so
619 * that walking over a task list never exhibits a dying stream.
620 */
621 s->task->context = NULL;
622 __ha_barrier_store();
623
Willy Tarreaud0ad4a82018-07-25 11:13:53 +0200624 pendconn_free(s);
Willy Tarreau922a8062008-12-04 09:33:58 +0100625
Willy Tarreau3fdb3662012-11-12 00:42:33 +0100626 if (objt_server(s->target)) { /* there may be requests left pending in queue */
Willy Tarreaue7dff022015-04-03 01:14:29 +0200627 if (s->flags & SF_CURR_SESS) {
628 s->flags &= ~SF_CURR_SESS;
Willy Tarreau4781b152021-04-06 13:53:36 +0200629 _HA_ATOMIC_DEC(&__objt_server(s->target)->cur_sess);
Willy Tarreau1e62de62008-11-11 20:20:02 +0100630 }
Willy Tarreau66182592021-12-06 07:01:02 +0000631 if (may_dequeue_tasks(__objt_server(s->target), s->be))
632 process_srv_queue(__objt_server(s->target), 0);
Willy Tarreau1e62de62008-11-11 20:20:02 +0100633 }
Willy Tarreau922a8062008-12-04 09:33:58 +0100634
Willy Tarreau7c669d72008-06-20 15:04:11 +0200635 if (unlikely(s->srv_conn)) {
Willy Tarreau87b09662015-04-03 00:22:06 +0200636 /* the stream still has a reserved slot on a server, but
Willy Tarreau7c669d72008-06-20 15:04:11 +0200637 * it should normally be only the same as the one above,
638 * so this should not happen in fact.
639 */
640 sess_change_server(s, NULL);
641 }
642
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100643 if (s->req.pipe)
644 put_pipe(s->req.pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100645
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100646 if (s->res.pipe)
647 put_pipe(s->res.pipe);
Willy Tarreau259de1b2009-01-18 21:56:21 +0100648
Willy Tarreaubf883e02014-11-25 21:10:35 +0100649 /* We may still be present in the buffer wait queue */
Willy Tarreau2b718102021-04-21 07:32:39 +0200650 if (LIST_INLIST(&s->buffer_wait.list))
Willy Tarreau90f366b2021-02-20 11:49:49 +0100651 LIST_DEL_INIT(&s->buffer_wait.list);
Willy Tarreau21046592020-02-26 10:39:36 +0100652
Willy Tarreauc9fa0482018-07-10 17:43:27 +0200653 if (s->req.buf.size || s->res.buf.size) {
Willy Tarreau4d77bbf2021-02-20 12:02:46 +0100654 int count = !!s->req.buf.size + !!s->res.buf.size;
655
Willy Tarreaue0d0b402019-08-08 08:06:27 +0200656 b_free(&s->req.buf);
657 b_free(&s->res.buf);
Willy Tarreau4d77bbf2021-02-20 12:02:46 +0100658 offer_buffers(NULL, count);
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100659 }
Willy Tarreau9b28e032012-10-12 23:49:43 +0200660
Tim Duesterhusa17e6622020-03-05 20:19:02 +0100661 pool_free(pool_head_uniqueid, s->unique_id.ptr);
662 s->unique_id = IST_NULL;
Olivier Houchard32211a12019-02-01 18:10:46 +0100663
Thierry FOURNIER2c8b54e2016-12-17 12:45:32 +0100664 hlua_ctx_destroy(s->hlua);
665 s->hlua = NULL;
Willy Tarreaueee5b512015-04-03 23:46:31 +0200666 if (s->txn)
Christopher Faulet75f619a2021-03-08 19:12:58 +0100667 http_destroy_txn(s);
Willy Tarreau46023632010-01-07 22:51:47 +0100668
Willy Tarreau1e954912012-10-12 17:50:05 +0200669 /* ensure the client-side transport layer is destroyed */
Willy Tarreau32560732017-10-08 11:33:44 +0200670 if (cli_cs)
671 cs_close(cli_cs);
Willy Tarreau1e954912012-10-12 17:50:05 +0200672
Willy Tarreaua4cda672010-06-06 18:28:49 +0200673 for (i = 0; i < s->store_count; i++) {
674 if (!s->store[i].ts)
675 continue;
676 stksess_free(s->store[i].table, s->store[i].ts);
677 s->store[i].ts = NULL;
678 }
679
Emeric Brun08622d32020-12-23 17:41:43 +0100680 if (s->resolv_ctx.requester) {
Emeric Brun21fbeed2020-12-23 18:01:04 +0100681 __decl_thread(struct resolvers *resolvers = s->resolv_ctx.parent->arg.resolv.resolvers);
Christopher Faulet5098a082020-07-22 11:46:32 +0200682
683 HA_SPIN_LOCK(DNS_LOCK, &resolvers->lock);
Willy Tarreau61cfdf42021-02-20 10:46:51 +0100684 ha_free(&s->resolv_ctx.hostname_dn);
Emeric Brun08622d32020-12-23 17:41:43 +0100685 s->resolv_ctx.hostname_dn_len = 0;
Willy Tarreau33360872021-10-20 14:07:31 +0200686 resolv_unlink_resolution(s->resolv_ctx.requester);
Christopher Faulet5098a082020-07-22 11:46:32 +0200687 HA_SPIN_UNLOCK(DNS_LOCK, &resolvers->lock);
Baptiste Assmann333939c2019-01-21 08:34:50 +0100688
Emeric Brun08622d32020-12-23 17:41:43 +0100689 pool_free(resolv_requester_pool, s->resolv_ctx.requester);
690 s->resolv_ctx.requester = NULL;
Baptiste Assmann333939c2019-01-21 08:34:50 +0100691 }
692
Christopher Fauletd7c91962015-04-30 11:48:27 +0200693 flt_stream_stop(s);
Christopher Faulet92d36382015-11-05 13:35:03 +0100694 flt_stream_release(s, 0);
Christopher Fauletd7c91962015-04-30 11:48:27 +0200695
Willy Tarreau92fb9832007-10-16 17:34:28 +0200696 if (fe) {
Christopher Faulet59399252019-11-07 14:27:52 +0100697 if (s->req_cap) {
698 struct cap_hdr *h;
699 for (h = fe->req_cap; h; h = h->next)
700 pool_free(h->pool, s->req_cap[h->index]);
701 }
702
703 if (s->res_cap) {
704 struct cap_hdr *h;
705 for (h = fe->rsp_cap; h; h = h->next)
706 pool_free(h->pool, s->res_cap[h->index]);
707 }
708
Willy Tarreaubafbe012017-11-24 17:34:44 +0100709 pool_free(fe->rsp_cap_pool, s->res_cap);
710 pool_free(fe->req_cap_pool, s->req_cap);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200711 }
Willy Tarreau0937bc42009-12-22 15:03:09 +0100712
Thierry FOURNIER4834bc72015-06-06 19:29:07 +0200713 /* Cleanup all variable contexts. */
Willy Tarreaucda7f3f2018-10-28 13:44:36 +0100714 if (!LIST_ISEMPTY(&s->vars_txn.head))
715 vars_prune(&s->vars_txn, s->sess, s);
716 if (!LIST_ISEMPTY(&s->vars_reqres.head))
717 vars_prune(&s->vars_reqres, s->sess, s);
Thierry FOURNIER4834bc72015-06-06 19:29:07 +0200718
Willy Tarreau87b09662015-04-03 00:22:06 +0200719 stream_store_counters(s);
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +0200720
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100721 list_for_each_entry_safe(bref, back, &s->back_refs, users) {
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100722 /* we have to unlink all watchers. We must not relink them if
Willy Tarreau49de6852021-02-24 13:46:12 +0100723 * this stream was the last one in the list. This is safe to do
724 * here because we're touching our thread's list so we know
725 * that other streams are not active, and the watchers will
726 * only touch their node under thread isolation.
Willy Tarreaufd3828e2009-02-22 15:17:24 +0100727 */
Willy Tarreau49de6852021-02-24 13:46:12 +0100728 LIST_DEL_INIT(&bref->users);
Willy Tarreaua698eb62021-02-24 10:37:01 +0100729 if (s->list.n != &ti->streams)
Willy Tarreau2b718102021-04-21 07:32:39 +0200730 LIST_APPEND(&LIST_ELEM(s->list.n, struct stream *, list)->back_refs, &bref->users);
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100731 bref->ref = s->list.n;
Willy Tarreau49de6852021-02-24 13:46:12 +0100732 __ha_barrier_store();
Willy Tarreau62e4f1d2008-12-07 20:16:23 +0100733 }
Willy Tarreau2b718102021-04-21 07:32:39 +0200734 LIST_DELETE(&s->list);
Emeric Brun6b35e9b2017-06-30 16:23:45 +0200735
Willy Tarreau5bcfd562017-11-29 14:05:38 +0100736 /* applets do not release session yet */
737 must_free_sess = objt_appctx(sess->origin) && sess->origin == s->si[0].end;
738
Olivier Houchard4fdec7a2018-10-11 17:09:14 +0200739
Willy Tarreau32e3c6a2013-10-11 19:34:20 +0200740 si_release_endpoint(&s->si[1]);
741 si_release_endpoint(&s->si[0]);
Willy Tarreaufeb76402015-04-03 14:10:06 +0200742
Willy Tarreau3c39a7d2019-06-14 14:42:29 +0200743 tasklet_free(s->si[0].wait_event.tasklet);
744 tasklet_free(s->si[1].wait_event.tasklet);
Olivier Houchardd7bd3e32018-10-18 16:22:02 +0200745
Olivier Houcharda254a372019-04-05 15:30:12 +0200746 b_free(&s->si[1].l7_buffer);
Olivier Houchard25607af2018-11-23 14:50:47 +0100747 if (must_free_sess) {
748 sess->origin = NULL;
Willy Tarreau5bcfd562017-11-29 14:05:38 +0100749 session_free(sess);
Olivier Houchard25607af2018-11-23 14:50:47 +0100750 }
Willy Tarreau5bcfd562017-11-29 14:05:38 +0100751
Willy Tarreau90420602019-07-18 15:09:57 +0200752 sockaddr_free(&s->target_addr);
Willy Tarreaubafbe012017-11-24 17:34:44 +0100753 pool_free(pool_head_stream, s);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200754
755 /* We may want to free the maximum amount of pools if the proxy is stopping */
Willy Tarreauc3914d42020-09-24 08:39:22 +0200756 if (fe && unlikely(fe->disabled)) {
Willy Tarreaubafbe012017-11-24 17:34:44 +0100757 pool_flush(pool_head_buffer);
758 pool_flush(pool_head_http_txn);
Willy Tarreaubafbe012017-11-24 17:34:44 +0100759 pool_flush(pool_head_requri);
760 pool_flush(pool_head_capture);
761 pool_flush(pool_head_stream);
762 pool_flush(pool_head_session);
763 pool_flush(pool_head_connection);
764 pool_flush(pool_head_pendconn);
765 pool_flush(fe->req_cap_pool);
766 pool_flush(fe->rsp_cap_pool);
Willy Tarreau632f5a72007-07-11 10:42:35 +0200767 }
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200768}
769
Willy Tarreau656859d2014-11-25 19:46:36 +0100770
Willy Tarreau87b09662015-04-03 00:22:06 +0200771/* Allocates a work buffer for stream <s>. It is meant to be called inside
772 * process_stream(). It will only allocate the side needed for the function
Willy Tarreaubc39a5d2015-04-20 15:52:18 +0200773 * to work fine, which is the response buffer so that an error message may be
774 * built and returned. Response buffers may be allocated from the reserve, this
775 * is critical to ensure that a response may always flow and will never block a
776 * server from releasing a connection. Returns 0 in case of failure, non-zero
777 * otherwise.
Willy Tarreau656859d2014-11-25 19:46:36 +0100778 */
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100779static int stream_alloc_work_buffer(struct stream *s)
Willy Tarreau656859d2014-11-25 19:46:36 +0100780{
Willy Tarreaud68d4f12021-03-22 14:44:31 +0100781 if (b_alloc(&s->res.buf))
Willy Tarreau656859d2014-11-25 19:46:36 +0100782 return 1;
Willy Tarreau656859d2014-11-25 19:46:36 +0100783 return 0;
784}
785
786/* releases unused buffers after processing. Typically used at the end of the
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100787 * update() functions. It will try to wake up as many tasks/applets as the
788 * number of buffers that it releases. In practice, most often streams are
789 * blocked on a single buffer, so it makes sense to try to wake two up when two
790 * buffers are released at once.
Willy Tarreau656859d2014-11-25 19:46:36 +0100791 */
Willy Tarreau87b09662015-04-03 00:22:06 +0200792void stream_release_buffers(struct stream *s)
Willy Tarreau656859d2014-11-25 19:46:36 +0100793{
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100794 int offer = 0;
Willy Tarreau656859d2014-11-25 19:46:36 +0100795
Willy Tarreau0c7ed5d2018-07-10 09:53:31 +0200796 if (c_size(&s->req) && c_empty(&s->req)) {
Willy Tarreau4d77bbf2021-02-20 12:02:46 +0100797 offer++;
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100798 b_free(&s->req.buf);
799 }
Willy Tarreau0c7ed5d2018-07-10 09:53:31 +0200800 if (c_size(&s->res) && c_empty(&s->res)) {
Willy Tarreau4d77bbf2021-02-20 12:02:46 +0100801 offer++;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100802 b_free(&s->res.buf);
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100803 }
Willy Tarreau656859d2014-11-25 19:46:36 +0100804
Willy Tarreaubf883e02014-11-25 21:10:35 +0100805 /* if we're certain to have at least 1 buffer available, and there is
806 * someone waiting, we can wake up a waiter and offer them.
807 */
Christopher Fauleta73e59b2016-12-09 17:30:18 +0100808 if (offer)
Willy Tarreau4d77bbf2021-02-20 12:02:46 +0100809 offer_buffers(s, offer);
Willy Tarreau656859d2014-11-25 19:46:36 +0100810}
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200811
Willy Tarreau87b09662015-04-03 00:22:06 +0200812void stream_process_counters(struct stream *s)
Willy Tarreau30e71012007-11-26 20:15:35 +0100813{
Willy Tarreaufb0afa72015-04-03 14:46:27 +0200814 struct session *sess = s->sess;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100815 unsigned long long bytes;
Willy Tarreau20d46a52012-12-09 15:55:40 +0100816 int i;
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100817
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100818 bytes = s->req.total - s->logs.bytes_in;
819 s->logs.bytes_in = s->req.total;
820 if (bytes) {
Olivier Houcharddc6111e2019-03-08 18:54:51 +0100821 _HA_ATOMIC_ADD(&sess->fe->fe_counters.bytes_in, bytes);
822 _HA_ATOMIC_ADD(&s->be->be_counters.bytes_in, bytes);
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100823
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100824 if (objt_server(s->target))
Willy Tarreau66182592021-12-06 07:01:02 +0000825 _HA_ATOMIC_ADD(&__objt_server(s->target)->counters.bytes_in, bytes);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200826
Willy Tarreaufb0afa72015-04-03 14:46:27 +0200827 if (sess->listener && sess->listener->counters)
Olivier Houcharddc6111e2019-03-08 18:54:51 +0100828 _HA_ATOMIC_ADD(&sess->listener->counters->bytes_in, bytes);
Willy Tarreau855e4bb2010-06-18 18:33:32 +0200829
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100830 for (i = 0; i < MAX_SESS_STKCTR; i++) {
Christopher Faulet84600632020-10-06 13:52:40 +0200831 if (!stkctr_inc_bytes_in_ctr(&s->stkctr[i], bytes))
832 stkctr_inc_bytes_in_ctr(&sess->stkctr[i], bytes);
Willy Tarreau30e71012007-11-26 20:15:35 +0100833 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100834 }
835
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100836 bytes = s->res.total - s->logs.bytes_out;
837 s->logs.bytes_out = s->res.total;
838 if (bytes) {
Olivier Houcharddc6111e2019-03-08 18:54:51 +0100839 _HA_ATOMIC_ADD(&sess->fe->fe_counters.bytes_out, bytes);
840 _HA_ATOMIC_ADD(&s->be->be_counters.bytes_out, bytes);
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100841
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100842 if (objt_server(s->target))
Willy Tarreau66182592021-12-06 07:01:02 +0000843 _HA_ATOMIC_ADD(&__objt_server(s->target)->counters.bytes_out, bytes);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200844
Willy Tarreaufb0afa72015-04-03 14:46:27 +0200845 if (sess->listener && sess->listener->counters)
Olivier Houcharddc6111e2019-03-08 18:54:51 +0100846 _HA_ATOMIC_ADD(&sess->listener->counters->bytes_out, bytes);
Willy Tarreauf059a0f2010-08-03 16:29:52 +0200847
Willy Tarreau22ec1ea2014-11-27 20:45:39 +0100848 for (i = 0; i < MAX_SESS_STKCTR; i++) {
Christopher Faulet84600632020-10-06 13:52:40 +0200849 if (!stkctr_inc_bytes_out_ctr(&s->stkctr[i], bytes))
850 stkctr_inc_bytes_out_ctr(&sess->stkctr[i], bytes);
Willy Tarreau30e71012007-11-26 20:15:35 +0100851 }
Krzysztof Piotr Oledzki583bc962007-11-24 22:12:47 +0100852 }
853}
Willy Tarreaubaaee002006-06-26 02:48:02 +0200854
Amaury Denoyelleb7150782020-12-10 13:43:51 +0100855int stream_set_timeout(struct stream *s, enum act_timeout_name name, int timeout)
856{
Amaury Denoyelle90d3d882020-12-10 13:43:52 +0100857 switch (name) {
858 case ACT_TIMEOUT_SERVER:
859 s->req.wto = timeout;
860 s->res.rto = timeout;
861 return 1;
862
Amaury Denoyellefb504432020-12-10 13:43:53 +0100863 case ACT_TIMEOUT_TUNNEL:
864 s->tunnel_timeout = timeout;
865 return 1;
866
Amaury Denoyelle90d3d882020-12-10 13:43:52 +0100867 default:
868 return 0;
869 }
Amaury Denoyelleb7150782020-12-10 13:43:51 +0100870}
871
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100872/*
873 * This function handles the transition between the SI_ST_CON state and the
Willy Tarreau85e7d002010-05-31 11:57:51 +0200874 * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or
Willy Tarreau4f283fa2019-06-05 14:34:03 +0200875 * SI_ST_INI or SI_ST_RDY) to SI_ST_EST, but only when a ->proto is defined.
Olivier Houchardaacc4052019-05-21 17:43:50 +0200876 * Note that it will switch the interface to SI_ST_DIS if we already have
877 * the CF_SHUTR flag, it means we were able to forward the request, and
878 * receive the response, before process_stream() had the opportunity to
879 * make the switch from SI_ST_CON to SI_ST_EST. When that happens, we want
Willy Tarreau3a9312a2020-01-09 18:43:15 +0100880 * to go through back_establish() anyway, to make sure the analysers run.
Willy Tarreaud66ed882019-06-05 18:02:04 +0200881 * Timeouts are cleared. Error are reported on the channel so that analysers
882 * can handle them.
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100883 */
Willy Tarreau3a9312a2020-01-09 18:43:15 +0100884static void back_establish(struct stream *s)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100885{
Willy Tarreau7b8c4f92014-11-28 15:15:44 +0100886 struct stream_interface *si = &s->si[1];
Willy Tarreaud66ed882019-06-05 18:02:04 +0200887 struct conn_stream *srv_cs = objt_cs(si->end);
888 struct connection *conn = srv_cs ? srv_cs->conn : objt_conn(si->end);
Willy Tarreau7b8c4f92014-11-28 15:15:44 +0100889 struct channel *req = &s->req;
890 struct channel *rep = &s->res;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100891
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100892 DBG_TRACE_ENTER(STRM_EV_STRM_PROC|STRM_EV_SI_ST, s);
Willy Tarreaud66ed882019-06-05 18:02:04 +0200893 /* First, centralize the timers information, and clear any irrelevant
894 * timeout.
895 */
Willy Tarreau0e37f1c2013-12-31 23:06:46 +0100896 s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now);
Willy Tarreaud66ed882019-06-05 18:02:04 +0200897 si->exp = TICK_ETERNITY;
898 si->flags &= ~SI_FL_EXP;
899
900 /* errors faced after sending data need to be reported */
901 if (si->flags & SI_FL_ERR && req->flags & CF_WROTE_DATA) {
902 /* Don't add CF_WRITE_ERROR if we're here because
903 * early data were rejected by the server, or
904 * http_wait_for_response() will never be called
905 * to send a 425.
906 */
907 if (conn && conn->err_code != CO_ER_SSL_EARLY_FAILED)
908 req->flags |= CF_WRITE_ERROR;
909 rep->flags |= CF_READ_ERROR;
910 si->err_type = SI_ET_DATA_ERR;
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100911 DBG_TRACE_STATE("read/write error", STRM_EV_STRM_PROC|STRM_EV_SI_ST|STRM_EV_STRM_ERR, s);
Willy Tarreaud66ed882019-06-05 18:02:04 +0200912 }
913
Willy Tarreau3fdb3662012-11-12 00:42:33 +0100914 if (objt_server(s->target))
Willy Tarreau66182592021-12-06 07:01:02 +0000915 health_adjust(__objt_server(s->target), HANA_STATUS_L4_OK);
Krzysztof Piotr Oledzki97f07b82009-12-15 22:31:24 +0100916
Christopher Faulet1bb6afa2021-03-08 17:57:53 +0100917 if (!IS_HTX_STRM(s)) { /* let's allow immediate data connection in this case */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100918 /* if the user wants to log as soon as possible, without counting
919 * bytes from the server, then this is the right moment. */
Willy Tarreaud0d8da92015-04-04 02:10:38 +0200920 if (!LIST_ISEMPTY(&strm_fe(s)->logformat) && !(s->logs.logwait & LW_BYTES)) {
Willy Tarreau66425e32018-07-25 06:55:12 +0200921 /* note: no pend_pos here, session is established */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100922 s->logs.t_close = s->logs.t_connect; /* to get a valid end date */
Willy Tarreaua5555ec2008-11-30 19:02:32 +0100923 s->do_log(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100924 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100925 }
926 else {
Willy Tarreaud81ca042013-12-31 22:33:13 +0100927 rep->flags |= CF_READ_DONTWAIT; /* a single read is enough to get response headers */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100928 }
929
Willy Tarreau0007d0a2018-12-11 18:01:38 +0100930 rep->analysers |= strm_fe(s)->fe_rsp_ana | s->be->be_rsp_ana;
Christopher Faulet309c6412015-12-02 09:57:32 +0100931
Willy Tarreau8bb2ffb2018-11-14 17:54:13 +0100932 si_rx_endp_more(si);
Willy Tarreau03cdb7c2012-08-27 23:14:58 +0200933 rep->flags |= CF_READ_ATTACHED; /* producer is now attached */
Olivier Houchard9aaf7782017-09-13 18:30:23 +0200934 if (objt_cs(si->end)) {
Amaury Denoyelle90d3d882020-12-10 13:43:52 +0100935 /* real connections have timeouts
936 * if already defined, it means that a set-timeout rule has
937 * been executed so do not overwrite them
938 */
939 if (!tick_isset(req->wto))
940 req->wto = s->be->timeout.server;
941 if (!tick_isset(rep->rto))
942 rep->rto = s->be->timeout.server;
Amaury Denoyellefb504432020-12-10 13:43:53 +0100943 if (!tick_isset(s->tunnel_timeout))
944 s->tunnel_timeout = s->be->timeout.tunnel;
Amaury Denoyelle90d3d882020-12-10 13:43:52 +0100945
Olivier Houchard47e9a1a2018-11-07 17:55:19 +0100946 /* The connection is now established, try to read data from the
947 * underlying layer, and subscribe to recv events. We use a
948 * delayed recv here to give a chance to the data to flow back
949 * by the time we process other tasks.
950 */
951 si_chk_rcv(si);
Willy Tarreaud04e8582010-05-31 12:31:35 +0200952 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100953 req->wex = TICK_ETERNITY;
Olivier Houchard78595262019-07-26 14:54:34 +0200954 /* If we managed to get the whole response, and we don't have anything
955 * left to send, or can't, switch to SI_ST_DIS now. */
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100956 if (rep->flags & (CF_SHUTR | CF_SHUTW)) {
Olivier Houchardaacc4052019-05-21 17:43:50 +0200957 si->state = SI_ST_DIS;
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100958 DBG_TRACE_STATE("response channel shutdwn for read/write", STRM_EV_STRM_PROC|STRM_EV_SI_ST|STRM_EV_STRM_ERR, s);
959 }
960
Christopher Fauleteea8fc72019-11-05 16:18:10 +0100961 DBG_TRACE_LEAVE(STRM_EV_STRM_PROC|STRM_EV_SI_ST, s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100962}
963
Willy Tarreau87b09662015-04-03 00:22:06 +0200964/* Set correct stream termination flags in case no analyser has done it. It
Simon Hormandec5be42011-06-08 09:19:07 +0900965 * also counts a failed request if the server state has not reached the request
966 * stage.
967 */
Willy Tarreau87b09662015-04-03 00:22:06 +0200968static void sess_set_term_flags(struct stream *s)
Simon Hormandec5be42011-06-08 09:19:07 +0900969{
Willy Tarreaue7dff022015-04-03 01:14:29 +0200970 if (!(s->flags & SF_FINST_MASK)) {
Willy Tarreau7ab22adb2019-06-05 14:53:22 +0200971 if (s->si[1].state == SI_ST_INI) {
972 /* anything before REQ in fact */
Willy Tarreau4781b152021-04-06 13:53:36 +0200973 _HA_ATOMIC_INC(&strm_fe(s)->fe_counters.failed_req);
Willy Tarreau2c1068c2015-09-23 12:21:21 +0200974 if (strm_li(s) && strm_li(s)->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +0200975 _HA_ATOMIC_INC(&strm_li(s)->counters->failed_req);
Simon Hormandec5be42011-06-08 09:19:07 +0900976
Willy Tarreaue7dff022015-04-03 01:14:29 +0200977 s->flags |= SF_FINST_R;
Simon Hormandec5be42011-06-08 09:19:07 +0900978 }
979 else if (s->si[1].state == SI_ST_QUE)
Willy Tarreaue7dff022015-04-03 01:14:29 +0200980 s->flags |= SF_FINST_Q;
Willy Tarreau4f283fa2019-06-05 14:34:03 +0200981 else if (si_state_in(s->si[1].state, SI_SB_REQ|SI_SB_TAR|SI_SB_ASS|SI_SB_CON|SI_SB_CER|SI_SB_RDY))
Willy Tarreaue7dff022015-04-03 01:14:29 +0200982 s->flags |= SF_FINST_C;
Simon Hormandec5be42011-06-08 09:19:07 +0900983 else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST)
Willy Tarreaue7dff022015-04-03 01:14:29 +0200984 s->flags |= SF_FINST_D;
Simon Hormandec5be42011-06-08 09:19:07 +0900985 else
Willy Tarreaue7dff022015-04-03 01:14:29 +0200986 s->flags |= SF_FINST_L;
Simon Hormandec5be42011-06-08 09:19:07 +0900987 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +0100988}
989
Thierry FOURNIER5a363e72015-09-27 19:29:33 +0200990/* This function parses the use-service action ruleset. It executes
991 * the associated ACL and set an applet as a stream or txn final node.
992 * it returns ACT_RET_ERR if an error occurs, the proxy left in
Ilya Shipitsinc02a23f2020-05-06 00:53:22 +0500993 * consistent state. It returns ACT_RET_STOP in success case because
Thierry FOURNIER5a363e72015-09-27 19:29:33 +0200994 * use-service must be a terminal action. Returns ACT_RET_YIELD
995 * if the initialisation function require more data.
996 */
997enum act_return process_use_service(struct act_rule *rule, struct proxy *px,
998 struct session *sess, struct stream *s, int flags)
999
1000{
1001 struct appctx *appctx;
1002
1003 /* Initialises the applet if it is required. */
Christopher Faulet105ba6c2019-12-18 14:41:51 +01001004 if (flags & ACT_OPT_FIRST) {
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001005 /* Register applet. this function schedules the applet. */
1006 s->target = &rule->applet.obj_type;
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001007 if (unlikely(!si_register_handler(&s->si[1], objt_applet(s->target))))
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001008 return ACT_RET_ERR;
1009
1010 /* Initialise the context. */
1011 appctx = si_appctx(&s->si[1]);
1012 memset(&appctx->ctx, 0, sizeof(appctx->ctx));
1013 appctx->rule = rule;
1014 }
1015 else
1016 appctx = si_appctx(&s->si[1]);
1017
Ilya Shipitsinc02a23f2020-05-06 00:53:22 +05001018 /* Stops the applet scheduling, in case of the init function miss
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001019 * some data.
1020 */
Willy Tarreau0cd3bd62018-11-06 18:46:37 +01001021 si_stop_get(&s->si[1]);
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001022
1023 /* Call initialisation. */
1024 if (rule->applet.init)
1025 switch (rule->applet.init(appctx, px, s)) {
1026 case 0: return ACT_RET_ERR;
1027 case 1: break;
1028 default: return ACT_RET_YIELD;
1029 }
1030
Christopher Faulet2571bc62019-03-01 11:44:26 +01001031 if (rule->from != ACT_F_HTTP_REQ) {
1032 if (sess->fe == s->be) /* report it if the request was intercepted by the frontend */
Willy Tarreau4781b152021-04-06 13:53:36 +02001033 _HA_ATOMIC_INC(&sess->fe->fe_counters.intercepted_req);
Christopher Faulet2571bc62019-03-01 11:44:26 +01001034
1035 /* The flag SF_ASSIGNED prevent from server assignment. */
1036 s->flags |= SF_ASSIGNED;
1037 }
1038
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001039 /* Now we can schedule the applet. */
Willy Tarreau0cd3bd62018-11-06 18:46:37 +01001040 si_cant_get(&s->si[1]);
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001041 appctx_wakeup(appctx);
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02001042 return ACT_RET_STOP;
1043}
1044
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001045/* This stream analyser checks the switching rules and changes the backend
Willy Tarreau4de91492010-01-22 19:10:05 +01001046 * if appropriate. The default_backend rule is also considered, then the
1047 * target backend's forced persistence rules are also evaluated last if any.
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001048 * It returns 1 if the processing can continue on next analysers, or zero if it
1049 * either needs more data or wants to immediately abort the request.
1050 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001051static int process_switching_rules(struct stream *s, struct channel *req, int an_bit)
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001052{
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001053 struct persist_rule *prst_rule;
Willy Tarreau192252e2015-04-04 01:47:55 +02001054 struct session *sess = s->sess;
1055 struct proxy *fe = sess->fe;
Willy Tarreau4de91492010-01-22 19:10:05 +01001056
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001057 req->analysers &= ~an_bit;
1058 req->analyse_exp = TICK_ETERNITY;
1059
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001060 DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001061
1062 /* now check whether we have some switching rules for this request */
Willy Tarreaue7dff022015-04-03 01:14:29 +02001063 if (!(s->flags & SF_BE_ASSIGNED)) {
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001064 struct switching_rule *rule;
1065
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02001066 list_for_each_entry(rule, &fe->switching_rules, list) {
Willy Tarreauf51658d2014-04-23 01:21:56 +02001067 int ret = 1;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001068
Willy Tarreauf51658d2014-04-23 01:21:56 +02001069 if (rule->cond) {
Willy Tarreau192252e2015-04-04 01:47:55 +02001070 ret = acl_exec_cond(rule->cond, fe, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreauf51658d2014-04-23 01:21:56 +02001071 ret = acl_pass(ret);
1072 if (rule->cond->pol == ACL_COND_UNLESS)
1073 ret = !ret;
1074 }
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001075
1076 if (ret) {
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01001077 /* If the backend name is dynamic, try to resolve the name.
1078 * If we can't resolve the name, or if any error occurs, break
1079 * the loop and fallback to the default backend.
1080 */
Dragan Dosen2ae327e2017-10-26 11:25:10 +02001081 struct proxy *backend = NULL;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01001082
1083 if (rule->dynamic) {
Willy Tarreau83061a82018-07-13 11:56:34 +02001084 struct buffer *tmp;
Dragan Dosen2ae327e2017-10-26 11:25:10 +02001085
1086 tmp = alloc_trash_chunk();
1087 if (!tmp)
1088 goto sw_failed;
1089
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001090 if (build_logline(s, tmp->area, tmp->size, &rule->be.expr))
1091 backend = proxy_be_by_name(tmp->area);
Dragan Dosen2ae327e2017-10-26 11:25:10 +02001092
1093 free_trash_chunk(tmp);
1094 tmp = NULL;
1095
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01001096 if (!backend)
1097 break;
1098 }
1099 else
1100 backend = rule->be.backend;
1101
Willy Tarreau87b09662015-04-03 00:22:06 +02001102 if (!stream_set_backend(s, backend))
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001103 goto sw_failed;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001104 break;
1105 }
1106 }
1107
1108 /* To ensure correct connection accounting on the backend, we
1109 * have to assign one if it was not set (eg: a listen). This
1110 * measure also takes care of correctly setting the default
Christopher Fauletf0d7eb22021-03-22 15:07:51 +01001111 * backend if any. Don't do anything if an upgrade is already in
1112 * progress.
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001113 */
Christopher Fauletf0d7eb22021-03-22 15:07:51 +01001114 if (!(s->flags & (SF_BE_ASSIGNED|SF_IGNORE)))
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02001115 if (!stream_set_backend(s, fe->defbe.be ? fe->defbe.be : s->be))
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001116 goto sw_failed;
Christopher Fauletf0d7eb22021-03-22 15:07:51 +01001117
1118 /* No backend assigned but no error reported. It happens when a
1119 * TCP stream is upgraded to HTTP/2.
1120 */
1121 if ((s->flags & (SF_BE_ASSIGNED|SF_IGNORE)) == SF_IGNORE) {
1122 DBG_TRACE_DEVEL("leaving with no backend because of a destructive upgrade", STRM_EV_STRM_ANA, s);
1123 return 0;
1124 }
1125
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001126 }
1127
Willy Tarreaufb356202010-08-03 14:02:05 +02001128 /* we don't want to run the TCP or HTTP filters again if the backend has not changed */
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02001129 if (fe == s->be) {
Willy Tarreau22ec1ea2014-11-27 20:45:39 +01001130 s->req.analysers &= ~AN_REQ_INSPECT_BE;
1131 s->req.analysers &= ~AN_REQ_HTTP_PROCESS_BE;
Christopher Faulet0184ea72017-01-05 14:06:34 +01001132 s->req.analysers &= ~AN_REQ_FLT_START_BE;
Willy Tarreaufb356202010-08-03 14:02:05 +02001133 }
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001134
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001135 /* as soon as we know the backend, we must check if we have a matching forced or ignored
Willy Tarreau87b09662015-04-03 00:22:06 +02001136 * persistence rule, and report that in the stream.
Willy Tarreau4de91492010-01-22 19:10:05 +01001137 */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001138 list_for_each_entry(prst_rule, &s->be->persist_rules, list) {
Willy Tarreau4de91492010-01-22 19:10:05 +01001139 int ret = 1;
1140
1141 if (prst_rule->cond) {
Willy Tarreau192252e2015-04-04 01:47:55 +02001142 ret = acl_exec_cond(prst_rule->cond, s->be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreau4de91492010-01-22 19:10:05 +01001143 ret = acl_pass(ret);
1144 if (prst_rule->cond->pol == ACL_COND_UNLESS)
1145 ret = !ret;
1146 }
1147
1148 if (ret) {
1149 /* no rule, or the rule matches */
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001150 if (prst_rule->type == PERSIST_TYPE_FORCE) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02001151 s->flags |= SF_FORCE_PRST;
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001152 } else {
Willy Tarreaue7dff022015-04-03 01:14:29 +02001153 s->flags |= SF_IGNORE_PRST;
Cyril Bonté47fdd8e2010-04-25 00:00:51 +02001154 }
Willy Tarreau4de91492010-01-22 19:10:05 +01001155 break;
1156 }
1157 }
1158
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001159 DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s);
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001160 return 1;
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001161
1162 sw_failed:
1163 /* immediately abort this request in case of allocation failure */
Willy Tarreau22ec1ea2014-11-27 20:45:39 +01001164 channel_abort(&s->req);
1165 channel_abort(&s->res);
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001166
Willy Tarreaue7dff022015-04-03 01:14:29 +02001167 if (!(s->flags & SF_ERR_MASK))
1168 s->flags |= SF_ERR_RESOURCE;
1169 if (!(s->flags & SF_FINST_MASK))
1170 s->flags |= SF_FINST_R;
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001171
Willy Tarreaueee5b512015-04-03 23:46:31 +02001172 if (s->txn)
1173 s->txn->status = 500;
Christopher Faulet0184ea72017-01-05 14:06:34 +01001174 s->req.analysers &= AN_REQ_FLT_END;
Willy Tarreau22ec1ea2014-11-27 20:45:39 +01001175 s->req.analyse_exp = TICK_ETERNITY;
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001176 DBG_TRACE_DEVEL("leaving on error", STRM_EV_STRM_ANA|STRM_EV_STRM_ERR, s);
Willy Tarreaubedb9ba2009-07-12 08:27:39 +02001177 return 0;
Willy Tarreau1d0dfb12009-07-07 15:10:31 +02001178}
1179
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001180/* This stream analyser works on a request. It applies all use-server rules on
1181 * it then returns 1. The data must already be present in the buffer otherwise
1182 * they won't match. It always returns 1.
1183 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001184static int process_server_rules(struct stream *s, struct channel *req, int an_bit)
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001185{
1186 struct proxy *px = s->be;
Willy Tarreau192252e2015-04-04 01:47:55 +02001187 struct session *sess = s->sess;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001188 struct server_rule *rule;
1189
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001190 DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001191
Willy Tarreaue7dff022015-04-03 01:14:29 +02001192 if (!(s->flags & SF_ASSIGNED)) {
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001193 list_for_each_entry(rule, &px->server_rules, list) {
1194 int ret;
1195
Willy Tarreau192252e2015-04-04 01:47:55 +02001196 ret = acl_exec_cond(rule->cond, s->be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001197 ret = acl_pass(ret);
1198 if (rule->cond->pol == ACL_COND_UNLESS)
1199 ret = !ret;
1200
1201 if (ret) {
Jerome Magnin824186b2020-03-29 09:37:12 +02001202 struct server *srv;
1203
1204 if (rule->dynamic) {
1205 struct buffer *tmp = get_trash_chunk();
1206
1207 if (!build_logline(s, tmp->area, tmp->size, &rule->expr))
1208 break;
1209
1210 srv = findserver(s->be, tmp->area);
1211 if (!srv)
1212 break;
1213 }
1214 else
1215 srv = rule->srv.ptr;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001216
Emeric Brun52a91d32017-08-31 14:41:55 +02001217 if ((srv->cur_state != SRV_ST_STOPPED) ||
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001218 (px->options & PR_O_PERSIST) ||
Willy Tarreaue7dff022015-04-03 01:14:29 +02001219 (s->flags & SF_FORCE_PRST)) {
1220 s->flags |= SF_DIRECT | SF_ASSIGNED;
Willy Tarreau3fdb3662012-11-12 00:42:33 +01001221 s->target = &srv->obj_type;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001222 break;
1223 }
1224 /* if the server is not UP, let's go on with next rules
1225 * just in case another one is suited.
1226 */
1227 }
1228 }
1229 }
1230
1231 req->analysers &= ~an_bit;
1232 req->analyse_exp = TICK_ETERNITY;
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001233 DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001234 return 1;
1235}
1236
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001237static inline void sticking_rule_find_target(struct stream *s,
1238 struct stktable *t, struct stksess *ts)
1239{
1240 struct proxy *px = s->be;
1241 struct eb32_node *node;
1242 struct dict_entry *de;
1243 void *ptr;
1244 struct server *srv;
1245
1246 /* Look for the server name previously stored in <t> stick-table */
1247 HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &ts->lock);
Thayne McCombs92149f92020-11-20 01:28:26 -07001248 ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_KEY);
1249 de = stktable_data_cast(ptr, server_key);
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001250 HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &ts->lock);
1251
1252 if (de) {
Thayne McCombs92149f92020-11-20 01:28:26 -07001253 struct ebpt_node *node;
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001254
Thayne McCombs92149f92020-11-20 01:28:26 -07001255 if (t->server_key_type == STKTABLE_SRV_NAME) {
1256 node = ebis_lookup(&px->conf.used_server_name, de->value.key);
1257 if (node) {
1258 srv = container_of(node, struct server, conf.name);
1259 goto found;
1260 }
1261 } else if (t->server_key_type == STKTABLE_SRV_ADDR) {
1262 HA_RWLOCK_RDLOCK(PROXY_LOCK, &px->lock);
1263 node = ebis_lookup(&px->used_server_addr, de->value.key);
1264 HA_RWLOCK_RDUNLOCK(PROXY_LOCK, &px->lock);
1265 if (node) {
1266 srv = container_of(node, struct server, addr_node);
1267 goto found;
1268 }
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001269 }
1270 }
1271
1272 /* Look for the server ID */
1273 HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &ts->lock);
1274 ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_ID);
1275 node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id));
1276 HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &ts->lock);
1277
1278 if (!node)
1279 return;
1280
1281 srv = container_of(node, struct server, conf.id);
1282 found:
1283 if ((srv->cur_state != SRV_ST_STOPPED) ||
1284 (px->options & PR_O_PERSIST) || (s->flags & SF_FORCE_PRST)) {
1285 s->flags |= SF_DIRECT | SF_ASSIGNED;
1286 s->target = &srv->obj_type;
1287 }
1288}
1289
Emeric Brun1d33b292010-01-04 15:47:17 +01001290/* This stream analyser works on a request. It applies all sticking rules on
1291 * it then returns 1. The data must already be present in the buffer otherwise
1292 * they won't match. It always returns 1.
1293 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001294static int process_sticking_rules(struct stream *s, struct channel *req, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001295{
1296 struct proxy *px = s->be;
Willy Tarreau192252e2015-04-04 01:47:55 +02001297 struct session *sess = s->sess;
Emeric Brun1d33b292010-01-04 15:47:17 +01001298 struct sticking_rule *rule;
1299
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001300 DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s);
Emeric Brun1d33b292010-01-04 15:47:17 +01001301
1302 list_for_each_entry(rule, &px->sticking_rules, list) {
1303 int ret = 1 ;
1304 int i;
1305
Willy Tarreau9667a802013-12-09 12:52:13 +01001306 /* Only the first stick store-request of each table is applied
1307 * and other ones are ignored. The purpose is to allow complex
1308 * configurations which look for multiple entries by decreasing
1309 * order of precision and to stop at the first which matches.
1310 * An example could be a store of the IP address from an HTTP
1311 * header first, then from the source if not found.
1312 */
Jerome Magninbee00ad2020-01-16 17:37:21 +01001313 if (rule->flags & STK_IS_STORE) {
1314 for (i = 0; i < s->store_count; i++) {
1315 if (rule->table.t == s->store[i].table)
1316 break;
1317 }
Emeric Brun1d33b292010-01-04 15:47:17 +01001318
Jerome Magninbee00ad2020-01-16 17:37:21 +01001319 if (i != s->store_count)
1320 continue;
1321 }
Emeric Brun1d33b292010-01-04 15:47:17 +01001322
1323 if (rule->cond) {
Willy Tarreau192252e2015-04-04 01:47:55 +02001324 ret = acl_exec_cond(rule->cond, px, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001325 ret = acl_pass(ret);
1326 if (rule->cond->pol == ACL_COND_UNLESS)
1327 ret = !ret;
1328 }
1329
1330 if (ret) {
1331 struct stktable_key *key;
1332
Willy Tarreau192252e2015-04-04 01:47:55 +02001333 key = stktable_fetch_key(rule->table.t, px, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, rule->expr, NULL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001334 if (!key)
1335 continue;
1336
1337 if (rule->flags & STK_IS_MATCH) {
1338 struct stksess *ts;
1339
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001340 if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) {
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001341 if (!(s->flags & SF_ASSIGNED))
1342 sticking_rule_find_target(s, rule->table.t, ts);
Emeric Brun819fc6f2017-06-13 19:37:32 +02001343 stktable_touch_local(rule->table.t, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001344 }
1345 }
1346 if (rule->flags & STK_IS_STORE) {
1347 if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
1348 struct stksess *ts;
1349
1350 ts = stksess_new(rule->table.t, key);
1351 if (ts) {
1352 s->store[s->store_count].table = rule->table.t;
1353 s->store[s->store_count++].ts = ts;
1354 }
1355 }
1356 }
1357 }
1358 }
1359
1360 req->analysers &= ~an_bit;
1361 req->analyse_exp = TICK_ETERNITY;
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001362 DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s);
Emeric Brun1d33b292010-01-04 15:47:17 +01001363 return 1;
1364}
1365
1366/* This stream analyser works on a response. It applies all store rules on it
1367 * then returns 1. The data must already be present in the buffer otherwise
1368 * they won't match. It always returns 1.
1369 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001370static int process_store_rules(struct stream *s, struct channel *rep, int an_bit)
Emeric Brun1d33b292010-01-04 15:47:17 +01001371{
1372 struct proxy *px = s->be;
Willy Tarreau192252e2015-04-04 01:47:55 +02001373 struct session *sess = s->sess;
Emeric Brun1d33b292010-01-04 15:47:17 +01001374 struct sticking_rule *rule;
1375 int i;
Willy Tarreau9667a802013-12-09 12:52:13 +01001376 int nbreq = s->store_count;
Emeric Brun1d33b292010-01-04 15:47:17 +01001377
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001378 DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s);
Emeric Brun1d33b292010-01-04 15:47:17 +01001379
1380 list_for_each_entry(rule, &px->storersp_rules, list) {
1381 int ret = 1 ;
Emeric Brun1d33b292010-01-04 15:47:17 +01001382
Willy Tarreau9667a802013-12-09 12:52:13 +01001383 /* Only the first stick store-response of each table is applied
1384 * and other ones are ignored. The purpose is to allow complex
1385 * configurations which look for multiple entries by decreasing
1386 * order of precision and to stop at the first which matches.
1387 * An example could be a store of a set-cookie value, with a
1388 * fallback to a parameter found in a 302 redirect.
1389 *
1390 * The store-response rules are not allowed to override the
1391 * store-request rules for the same table, but they may coexist.
1392 * Thus we can have up to one store-request entry and one store-
1393 * response entry for the same table at any time.
1394 */
1395 for (i = nbreq; i < s->store_count; i++) {
1396 if (rule->table.t == s->store[i].table)
1397 break;
1398 }
1399
1400 /* skip existing entries for this table */
1401 if (i < s->store_count)
1402 continue;
1403
Emeric Brun1d33b292010-01-04 15:47:17 +01001404 if (rule->cond) {
Willy Tarreau192252e2015-04-04 01:47:55 +02001405 ret = acl_exec_cond(rule->cond, px, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001406 ret = acl_pass(ret);
1407 if (rule->cond->pol == ACL_COND_UNLESS)
1408 ret = !ret;
1409 }
1410
1411 if (ret) {
1412 struct stktable_key *key;
1413
Willy Tarreau192252e2015-04-04 01:47:55 +02001414 key = stktable_fetch_key(rule->table.t, px, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL, rule->expr, NULL);
Emeric Brun1d33b292010-01-04 15:47:17 +01001415 if (!key)
1416 continue;
1417
Willy Tarreau37e340c2013-12-06 23:05:21 +01001418 if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) {
Emeric Brun1d33b292010-01-04 15:47:17 +01001419 struct stksess *ts;
1420
1421 ts = stksess_new(rule->table.t, key);
1422 if (ts) {
1423 s->store[s->store_count].table = rule->table.t;
Emeric Brun1d33b292010-01-04 15:47:17 +01001424 s->store[s->store_count++].ts = ts;
1425 }
1426 }
1427 }
1428 }
1429
1430 /* process store request and store response */
1431 for (i = 0; i < s->store_count; i++) {
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001432 struct stksess *ts;
Willy Tarreau13c29de2010-06-06 16:40:39 +02001433 void *ptr;
Thayne McCombs92149f92020-11-20 01:28:26 -07001434 char *key;
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001435 struct dict_entry *de;
Thayne McCombs92149f92020-11-20 01:28:26 -07001436 struct stktable *t = s->store[i].table;
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001437
Willy Tarreau66182592021-12-06 07:01:02 +00001438 if (objt_server(s->target) && __objt_server(s->target)->flags & SRV_F_NON_STICK) {
Simon Hormanfa461682011-06-25 09:39:49 +09001439 stksess_free(s->store[i].table, s->store[i].ts);
1440 s->store[i].ts = NULL;
1441 continue;
1442 }
1443
Thayne McCombs92149f92020-11-20 01:28:26 -07001444 ts = stktable_set_entry(t, s->store[i].ts);
Emeric Brun819fc6f2017-06-13 19:37:32 +02001445 if (ts != s->store[i].ts) {
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001446 /* the entry already existed, we can free ours */
Thayne McCombs92149f92020-11-20 01:28:26 -07001447 stksess_free(t, s->store[i].ts);
Emeric Brun1d33b292010-01-04 15:47:17 +01001448 }
Willy Tarreauf16d2b82010-06-06 15:38:59 +02001449 s->store[i].ts = NULL;
Emeric Brun819fc6f2017-06-13 19:37:32 +02001450
Thayne McCombs92149f92020-11-20 01:28:26 -07001451 if (t->server_key_type == STKTABLE_SRV_NAME)
1452 key = __objt_server(s->target)->id;
1453 else if (t->server_key_type == STKTABLE_SRV_ADDR)
1454 key = __objt_server(s->target)->addr_node.key;
1455 else
Willy Tarreau8c3cdf02022-10-12 10:35:41 +02001456 key = NULL;
Thayne McCombs92149f92020-11-20 01:28:26 -07001457
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001458 HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock);
Willy Tarreau8c3cdf02022-10-12 10:35:41 +02001459 ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_ID);
1460 stktable_data_cast(ptr, std_t_sint) = __objt_server(s->target)->puid;
1461
1462 if (key) {
1463 de = dict_insert(&server_key_dict, key);
1464 if (de) {
1465 ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_KEY);
1466 stktable_data_cast(ptr, server_key) = de;
1467 }
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001468 }
Willy Tarreau8c3cdf02022-10-12 10:35:41 +02001469
Frédéric Lécaille03cdf552019-05-20 10:08:27 +02001470 HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock);
1471
Thayne McCombs92149f92020-11-20 01:28:26 -07001472 stktable_touch_local(t, ts, 1);
Emeric Brun1d33b292010-01-04 15:47:17 +01001473 }
Willy Tarreau2a164ee2010-06-18 09:57:45 +02001474 s->store_count = 0; /* everything is stored */
Emeric Brun1d33b292010-01-04 15:47:17 +01001475
1476 rep->analysers &= ~an_bit;
1477 rep->analyse_exp = TICK_ETERNITY;
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001478
1479 DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s);
Emeric Brun1d33b292010-01-04 15:47:17 +01001480 return 1;
1481}
1482
Christopher Faulet6c1fd982021-03-15 10:42:02 +01001483/* Set the stream to HTTP mode, if necessary. The minimal request HTTP analysers
1484 * are set and the client mux is upgraded. It returns 1 if the stream processing
1485 * may continue or 0 if it should be stopped. It happens on error or if the
Christopher Fauletae863c62021-03-15 12:03:44 +01001486 * upgrade required a new stream. The mux protocol may be specified.
Christopher Faulet6c1fd982021-03-15 10:42:02 +01001487 */
Christopher Fauletae863c62021-03-15 12:03:44 +01001488int stream_set_http_mode(struct stream *s, const struct mux_proto_list *mux_proto)
Christopher Faulet6c1fd982021-03-15 10:42:02 +01001489{
1490 struct connection *conn;
1491 struct conn_stream *cs;
1492
1493 /* Already an HTTP stream */
1494 if (IS_HTX_STRM(s))
1495 return 1;
1496
1497 s->req.analysers |= AN_REQ_WAIT_HTTP|AN_REQ_HTTP_PROCESS_FE;
1498
1499 if (unlikely(!s->txn && !http_create_txn(s)))
1500 return 0;
1501
1502 conn = objt_conn(strm_sess(s)->origin);
1503 cs = objt_cs(s->si[0].end);
1504 if (conn && cs) {
1505 si_rx_endp_more(&s->si[0]);
1506 /* Make sure we're unsubscribed, the the new
1507 * mux will probably want to subscribe to
1508 * the underlying XPRT
1509 */
1510 if (s->si[0].wait_event.events)
1511 conn->mux->unsubscribe(cs, s->si[0].wait_event.events,
1512 &s->si[0].wait_event);
Christopher Fauletae863c62021-03-15 12:03:44 +01001513
Christopher Faulet6c1fd982021-03-15 10:42:02 +01001514 if (conn->mux->flags & MX_FL_NO_UPG)
1515 return 0;
Christopher Fauletae863c62021-03-15 12:03:44 +01001516 if (conn_upgrade_mux_fe(conn, cs, &s->req.buf,
1517 (mux_proto ? mux_proto->token : ist("")),
1518 PROTO_MODE_HTTP) == -1)
Christopher Faulet6c1fd982021-03-15 10:42:02 +01001519 return 0;
1520
1521 s->req.flags &= ~(CF_READ_PARTIAL|CF_AUTO_CONNECT);
1522 s->req.total = 0;
1523 s->flags |= SF_IGNORE;
1524 if (strcmp(conn->mux->name, "H2") == 0) {
1525 /* For HTTP/2, destroy the conn_stream, disable logging,
1526 * and abort the stream process. Thus it will be
1527 * silently destroyed. The new mux will create new
1528 * streams.
1529 */
1530 cs_free(cs);
1531 si_detach_endpoint(&s->si[0]);
1532 s->logs.logwait = 0;
1533 s->logs.level = 0;
1534 channel_abort(&s->req);
1535 channel_abort(&s->res);
1536 s->req.analysers &= AN_REQ_FLT_END;
1537 s->req.analyse_exp = TICK_ETERNITY;
1538 }
1539 }
1540
1541 return 1;
1542}
1543
1544
1545
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001546/* This macro is very specific to the function below. See the comments in
Willy Tarreau87b09662015-04-03 00:22:06 +02001547 * process_stream() below to understand the logic and the tests.
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001548 */
1549#define UPDATE_ANALYSERS(real, list, back, flag) { \
1550 list = (((list) & ~(flag)) | ~(back)) & (real); \
1551 back = real; \
1552 if (!(list)) \
1553 break; \
1554 if (((list) ^ ((list) & ((list) - 1))) < (flag)) \
1555 continue; \
1556}
1557
Christopher Fauleta9215b72016-05-11 17:06:28 +02001558/* These 2 following macros call an analayzer for the specified channel if the
1559 * right flag is set. The first one is used for "filterable" analyzers. If a
Christopher Faulet3a394fa2016-05-11 17:13:39 +02001560 * stream has some registered filters, pre and post analyaze callbacks are
Christopher Faulet0184ea72017-01-05 14:06:34 +01001561 * called. The second are used for other analyzers (AN_REQ/RES_FLT_* and
Christopher Fauleta9215b72016-05-11 17:06:28 +02001562 * AN_REQ/RES_HTTP_XFER_BODY) */
1563#define FLT_ANALYZE(strm, chn, fun, list, back, flag, ...) \
1564 { \
1565 if ((list) & (flag)) { \
1566 if (HAS_FILTERS(strm)) { \
Christopher Faulet3a394fa2016-05-11 17:13:39 +02001567 if (!flt_pre_analyze((strm), (chn), (flag))) \
Christopher Fauleta9215b72016-05-11 17:06:28 +02001568 break; \
1569 if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \
1570 break; \
Christopher Faulet3a394fa2016-05-11 17:13:39 +02001571 if (!flt_post_analyze((strm), (chn), (flag))) \
1572 break; \
Christopher Fauleta9215b72016-05-11 17:06:28 +02001573 } \
1574 else { \
1575 if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \
1576 break; \
1577 } \
1578 UPDATE_ANALYSERS((chn)->analysers, (list), \
1579 (back), (flag)); \
1580 } \
1581 }
1582
1583#define ANALYZE(strm, chn, fun, list, back, flag, ...) \
1584 { \
1585 if ((list) & (flag)) { \
1586 if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \
1587 break; \
1588 UPDATE_ANALYSERS((chn)->analysers, (list), \
1589 (back), (flag)); \
1590 } \
1591 }
1592
Willy Tarreau87b09662015-04-03 00:22:06 +02001593/* Processes the client, server, request and response jobs of a stream task,
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001594 * then puts it back to the wait queue in a clean state, or cleans up its
1595 * resources if it must be deleted. Returns in <next> the date the task wants
1596 * to be woken up, or TICK_ETERNITY. In order not to call all functions for
1597 * nothing too many times, the request and response buffers flags are monitored
1598 * and each function is called only if at least another function has changed at
1599 * least one flag it is interested in.
1600 */
Willy Tarreau144f84a2021-03-02 16:09:26 +01001601struct task *process_stream(struct task *t, void *context, unsigned int state)
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001602{
Willy Tarreau827aee92011-03-10 16:55:02 +01001603 struct server *srv;
Olivier Houchard9f6af332018-05-25 14:04:04 +02001604 struct stream *s = context;
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001605 struct session *sess = s->sess;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001606 unsigned int rqf_last, rpf_last;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001607 unsigned int rq_prod_last, rq_cons_last;
1608 unsigned int rp_cons_last, rp_prod_last;
Willy Tarreau576507f2010-01-07 00:09:04 +01001609 unsigned int req_ana_back;
Willy Tarreau8f128b42014-11-28 15:07:47 +01001610 struct channel *req, *res;
1611 struct stream_interface *si_f, *si_b;
Willy Tarreau3d07a162019-04-25 19:15:20 +02001612 unsigned int rate;
Willy Tarreau8f128b42014-11-28 15:07:47 +01001613
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001614 DBG_TRACE_ENTER(STRM_EV_STRM_PROC, s);
1615
Willy Tarreau7af4fa92020-06-17 20:49:49 +02001616 activity[tid].stream_calls++;
Willy Tarreaud80cb4e2018-01-20 19:30:13 +01001617
Willy Tarreau8f128b42014-11-28 15:07:47 +01001618 req = &s->req;
1619 res = &s->res;
1620
1621 si_f = &s->si[0];
1622 si_b = &s->si[1];
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001623
Willy Tarreau0f8d3ab2018-10-25 10:42:39 +02001624 /* First, attempt to receive pending data from I/O layers */
Willy Tarreauade64782018-11-17 19:51:07 +01001625 si_sync_recv(si_f);
1626 si_sync_recv(si_b);
Willy Tarreau0f8d3ab2018-10-25 10:42:39 +02001627
Willy Tarreauf675f092022-01-20 18:42:16 +01001628 /* Let's check if we're looping without making any progress, e.g. due
1629 * to a bogus analyser or the fact that we're ignoring a read0. The
1630 * call_rate counter only counts calls with no progress made.
1631 */
1632 if (!((req->flags | res->flags) & (CF_READ_PARTIAL|CF_WRITE_PARTIAL))) {
1633 rate = update_freq_ctr(&s->call_rate, 1);
1634 if (rate >= 100000 && s->call_rate.prev_ctr) // make sure to wait at least a full second
1635 stream_dump_and_crash(&s->obj_type, read_freq_ctr(&s->call_rate));
Willy Tarreau3d07a162019-04-25 19:15:20 +02001636 }
Olivier Houchardc2aa7112018-09-11 18:27:21 +02001637
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01001638 /* this data may be no longer valid, clear it */
Willy Tarreaueee5b512015-04-03 23:46:31 +02001639 if (s->txn)
1640 memset(&s->txn->auth, 0, sizeof(s->txn->auth));
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01001641
Willy Tarreau6f0a7ba2014-06-23 15:22:31 +02001642 /* This flag must explicitly be set every time */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001643 req->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE);
1644 res->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001645
1646 /* Keep a copy of req/rep flags so that we can detect shutdowns */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001647 rqf_last = req->flags & ~CF_MASK_ANALYSER;
1648 rpf_last = res->flags & ~CF_MASK_ANALYSER;
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001649
Willy Tarreau89f7ef22009-09-05 20:57:35 +02001650 /* we don't want the stream interface functions to recursively wake us up */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001651 si_f->flags |= SI_FL_DONT_WAKE;
1652 si_b->flags |= SI_FL_DONT_WAKE;
Willy Tarreau89f7ef22009-09-05 20:57:35 +02001653
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001654 /* update pending events */
Olivier Houchard9f6af332018-05-25 14:04:04 +02001655 s->pending_events |= (state & TASK_WOKEN_ANY);
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001656
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001657 /* 1a: Check for low level timeouts if needed. We just set a flag on
1658 * stream interfaces when their timeouts have expired.
1659 */
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001660 if (unlikely(s->pending_events & TASK_WOKEN_TIMER)) {
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001661 si_check_timeouts(si_f);
1662 si_check_timeouts(si_b);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001663
Willy Tarreau8263d2b2012-08-28 00:06:31 +02001664 /* check channel timeouts, and close the corresponding stream interfaces
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001665 * for future reads or writes. Note: this will also concern upper layers
1666 * but we do not touch any other flag. We must be careful and correctly
1667 * detect state changes when calling them.
1668 */
1669
Willy Tarreau8f128b42014-11-28 15:07:47 +01001670 channel_check_timeouts(req);
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001671
Willy Tarreau8f128b42014-11-28 15:07:47 +01001672 if (unlikely((req->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) {
1673 si_b->flags |= SI_FL_NOLINGER;
1674 si_shutw(si_b);
Willy Tarreau14641402009-12-29 14:49:56 +01001675 }
1676
Willy Tarreau8f128b42014-11-28 15:07:47 +01001677 if (unlikely((req->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) {
1678 if (si_f->flags & SI_FL_NOHALF)
1679 si_f->flags |= SI_FL_NOLINGER;
1680 si_shutr(si_f);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001681 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001682
Willy Tarreau8f128b42014-11-28 15:07:47 +01001683 channel_check_timeouts(res);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001684
Willy Tarreau8f128b42014-11-28 15:07:47 +01001685 if (unlikely((res->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) {
1686 si_f->flags |= SI_FL_NOLINGER;
1687 si_shutw(si_f);
Willy Tarreau14641402009-12-29 14:49:56 +01001688 }
1689
Willy Tarreau8f128b42014-11-28 15:07:47 +01001690 if (unlikely((res->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) {
1691 if (si_b->flags & SI_FL_NOHALF)
1692 si_b->flags |= SI_FL_NOLINGER;
1693 si_shutr(si_b);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02001694 }
Willy Tarreau798f4322012-11-08 14:49:17 +01001695
Christopher Fauleta00d8172016-11-10 14:58:05 +01001696 if (HAS_FILTERS(s))
1697 flt_stream_check_timeouts(s);
1698
Willy Tarreau798f4322012-11-08 14:49:17 +01001699 /* Once in a while we're woken up because the task expires. But
1700 * this does not necessarily mean that a timeout has been reached.
Willy Tarreau87b09662015-04-03 00:22:06 +02001701 * So let's not run a whole stream processing if only an expiration
Willy Tarreau798f4322012-11-08 14:49:17 +01001702 * timeout needs to be refreshed.
1703 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001704 if (!((req->flags | res->flags) &
Willy Tarreau798f4322012-11-08 14:49:17 +01001705 (CF_SHUTR|CF_READ_ACTIVITY|CF_READ_TIMEOUT|CF_SHUTW|
Willy Tarreauede3d882018-10-24 17:17:56 +02001706 CF_WRITE_ACTIVITY|CF_WRITE_TIMEOUT|CF_ANA_TIMEOUT)) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01001707 !((si_f->flags | si_b->flags) & (SI_FL_EXP|SI_FL_ERR)) &&
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001708 ((s->pending_events & TASK_WOKEN_ANY) == TASK_WOKEN_TIMER)) {
Willy Tarreau5fb04712016-05-04 10:18:37 +02001709 si_f->flags &= ~SI_FL_DONT_WAKE;
1710 si_b->flags &= ~SI_FL_DONT_WAKE;
Willy Tarreau798f4322012-11-08 14:49:17 +01001711 goto update_exp_and_leave;
Willy Tarreau5fb04712016-05-04 10:18:37 +02001712 }
Willy Tarreaub67a9b82009-06-21 22:03:51 +02001713 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001714
Willy Tarreau829bd472019-06-06 09:17:23 +02001715 resync_stream_interface:
Willy Tarreau10fc09e2014-11-25 19:46:36 +01001716 /* below we may emit error messages so we have to ensure that we have
Christopher Faulet29078ad2022-02-01 18:53:53 +01001717 * our buffers properly allocated. If the allocation failed, an error is
1718 * triggered.
1719 *
1720 * NOTE: An error is returned because the mechanism to queue entities
1721 * waiting for a buffer is totally broken for now. However, this
1722 * part must be refactored. When it will be handled, this part
1723 * must be be reviewed too.
Willy Tarreau10fc09e2014-11-25 19:46:36 +01001724 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001725 if (!stream_alloc_work_buffer(s)) {
Christopher Faulet29078ad2022-02-01 18:53:53 +01001726 si_f->flags |= SI_FL_ERR;
1727 si_f->err_type = SI_ET_CONN_RES;
1728
1729 si_b->flags |= SI_FL_ERR;
1730 si_b->err_type = SI_ET_CONN_RES;
1731
1732 if (!(s->flags & SF_ERR_MASK))
1733 s->flags |= SF_ERR_RESOURCE;
1734 sess_set_term_flags(s);
Willy Tarreau10fc09e2014-11-25 19:46:36 +01001735 }
1736
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001737 /* 1b: check for low-level errors reported at the stream interface.
1738 * First we check if it's a retryable error (in which case we don't
1739 * want to tell the buffer). Otherwise we report the error one level
1740 * upper by setting flags into the buffers. Note that the side towards
1741 * the client cannot have connect (hence retryable) errors. Also, the
1742 * connection setup code must be able to deal with any type of abort.
1743 */
Willy Tarreau3fdb3662012-11-12 00:42:33 +01001744 srv = objt_server(s->target);
Willy Tarreau8f128b42014-11-28 15:07:47 +01001745 if (unlikely(si_f->flags & SI_FL_ERR)) {
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02001746 if (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS)) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01001747 si_shutr(si_f);
1748 si_shutw(si_f);
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001749 si_report_error(si_f);
Willy Tarreau8f128b42014-11-28 15:07:47 +01001750 if (!(req->analysers) && !(res->analysers)) {
Willy Tarreau4781b152021-04-06 13:53:36 +02001751 _HA_ATOMIC_INC(&s->be->be_counters.cli_aborts);
1752 _HA_ATOMIC_INC(&sess->fe->fe_counters.cli_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01001753 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02001754 _HA_ATOMIC_INC(&sess->listener->counters->cli_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01001755 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02001756 _HA_ATOMIC_INC(&srv->counters.cli_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02001757 if (!(s->flags & SF_ERR_MASK))
1758 s->flags |= SF_ERR_CLICL;
1759 if (!(s->flags & SF_FINST_MASK))
1760 s->flags |= SF_FINST_D;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001761 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001762 }
1763 }
1764
Willy Tarreau8f128b42014-11-28 15:07:47 +01001765 if (unlikely(si_b->flags & SI_FL_ERR)) {
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02001766 if (si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS)) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01001767 si_shutr(si_b);
1768 si_shutw(si_b);
Willy Tarreau14bfe9a2018-12-19 15:19:27 +01001769 si_report_error(si_b);
Willy Tarreau4781b152021-04-06 13:53:36 +02001770 _HA_ATOMIC_INC(&s->be->be_counters.failed_resp);
Willy Tarreau827aee92011-03-10 16:55:02 +01001771 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02001772 _HA_ATOMIC_INC(&srv->counters.failed_resp);
Willy Tarreau8f128b42014-11-28 15:07:47 +01001773 if (!(req->analysers) && !(res->analysers)) {
Willy Tarreau4781b152021-04-06 13:53:36 +02001774 _HA_ATOMIC_INC(&s->be->be_counters.srv_aborts);
1775 _HA_ATOMIC_INC(&sess->fe->fe_counters.srv_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01001776 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02001777 _HA_ATOMIC_INC(&sess->listener->counters->srv_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01001778 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02001779 _HA_ATOMIC_INC(&srv->counters.srv_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02001780 if (!(s->flags & SF_ERR_MASK))
1781 s->flags |= SF_ERR_SRVCL;
1782 if (!(s->flags & SF_FINST_MASK))
1783 s->flags |= SF_FINST_D;
Willy Tarreau05cb29b2008-12-14 11:44:04 +01001784 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001785 }
1786 /* note: maybe we should process connection errors here ? */
1787 }
1788
Willy Tarreau4f283fa2019-06-05 14:34:03 +02001789 if (si_state_in(si_b->state, SI_SB_CON|SI_SB_RDY)) {
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001790 /* we were trying to establish a connection on the server side,
1791 * maybe it succeeded, maybe it failed, maybe we timed out, ...
1792 */
Willy Tarreaud66ed882019-06-05 18:02:04 +02001793 if (si_b->state == SI_ST_RDY)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01001794 back_handle_st_rdy(s);
Willy Tarreaud66ed882019-06-05 18:02:04 +02001795 else if (si_b->state == SI_ST_CON)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01001796 back_handle_st_con(s);
Willy Tarreaud66ed882019-06-05 18:02:04 +02001797
1798 if (si_b->state == SI_ST_CER)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01001799 back_handle_st_cer(s);
Willy Tarreau8f128b42014-11-28 15:07:47 +01001800 else if (si_b->state == SI_ST_EST)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01001801 back_establish(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001802
1803 /* state is now one of SI_ST_CON (still in progress), SI_ST_EST
1804 * (established), SI_ST_DIS (abort), SI_ST_CLO (last error),
1805 * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors.
1806 */
1807 }
1808
Willy Tarreau8f128b42014-11-28 15:07:47 +01001809 rq_prod_last = si_f->state;
1810 rq_cons_last = si_b->state;
1811 rp_cons_last = si_f->state;
1812 rp_prod_last = si_b->state;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001813
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001814 /* Check for connection closure */
Christopher Fauleteea8fc72019-11-05 16:18:10 +01001815 DBG_TRACE_POINT(STRM_EV_STRM_PROC, s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001816
1817 /* nothing special to be done on client side */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001818 if (unlikely(si_f->state == SI_ST_DIS))
1819 si_f->state = SI_ST_CLO;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001820
1821 /* When a server-side connection is released, we have to count it and
1822 * check for pending connections on this server.
1823 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001824 if (unlikely(si_b->state == SI_ST_DIS)) {
1825 si_b->state = SI_ST_CLO;
Willy Tarreau3fdb3662012-11-12 00:42:33 +01001826 srv = objt_server(s->target);
Willy Tarreau827aee92011-03-10 16:55:02 +01001827 if (srv) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02001828 if (s->flags & SF_CURR_SESS) {
1829 s->flags &= ~SF_CURR_SESS;
Willy Tarreau4781b152021-04-06 13:53:36 +02001830 _HA_ATOMIC_DEC(&srv->cur_sess);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001831 }
1832 sess_change_server(s, NULL);
Willy Tarreau827aee92011-03-10 16:55:02 +01001833 if (may_dequeue_tasks(srv, s->be))
Amaury Denoyellecaaafd02021-06-18 11:11:36 +02001834 process_srv_queue(srv, 0);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001835 }
1836 }
1837
1838 /*
1839 * Note: of the transient states (REQ, CER, DIS), only REQ may remain
1840 * at this point.
1841 */
1842
Willy Tarreau0be0ef92009-03-08 19:20:25 +01001843 resync_request:
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001844 /* Analyse request */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001845 if (((req->flags & ~rqf_last) & CF_MASK_ANALYSER) ||
1846 ((req->flags ^ rqf_last) & CF_MASK_STATIC) ||
Willy Tarreau33982cb2017-11-20 15:37:13 +01001847 (req->analysers && (req->flags & CF_SHUTW)) ||
Willy Tarreau8f128b42014-11-28 15:07:47 +01001848 si_f->state != rq_prod_last ||
1849 si_b->state != rq_cons_last ||
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001850 s->pending_events & TASK_WOKEN_MSG) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01001851 unsigned int flags = req->flags;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001852
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02001853 if (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001854 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001855 unsigned int ana_list;
1856 unsigned int ana_back;
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001857
Willy Tarreau90deb182010-01-07 00:20:41 +01001858 /* it's up to the analysers to stop new connections,
1859 * disable reading or closing. Note: if an analyser
1860 * disables any of these bits, it is responsible for
1861 * enabling them again when it disables itself, so
1862 * that other analysers are called in similar conditions.
1863 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001864 channel_auto_read(req);
1865 channel_auto_connect(req);
1866 channel_auto_close(req);
Willy Tarreauedcf6682008-11-30 23:15:34 +01001867
1868 /* We will call all analysers for which a bit is set in
Willy Tarreau8f128b42014-11-28 15:07:47 +01001869 * req->analysers, following the bit order from LSB
Willy Tarreauedcf6682008-11-30 23:15:34 +01001870 * to MSB. The analysers must remove themselves from
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001871 * the list when not needed. Any analyser may return 0
1872 * to break out of the loop, either because of missing
1873 * data to take a decision, or because it decides to
Willy Tarreau87b09662015-04-03 00:22:06 +02001874 * kill the stream. We loop at least once through each
Willy Tarreau1a52dbd2009-06-28 19:37:53 +02001875 * analyser, and we may loop again if other analysers
1876 * are added in the middle.
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001877 *
1878 * We build a list of analysers to run. We evaluate all
1879 * of these analysers in the order of the lower bit to
1880 * the higher bit. This ordering is very important.
1881 * An analyser will often add/remove other analysers,
1882 * including itself. Any changes to itself have no effect
1883 * on the loop. If it removes any other analysers, we
1884 * want those analysers not to be called anymore during
1885 * this loop. If it adds an analyser that is located
1886 * after itself, we want it to be scheduled for being
1887 * processed during the loop. If it adds an analyser
1888 * which is located before it, we want it to switch to
1889 * it immediately, even if it has already been called
1890 * once but removed since.
1891 *
1892 * In order to achieve this, we compare the analyser
1893 * list after the call with a copy of it before the
1894 * call. The work list is fed with analyser bits that
1895 * appeared during the call. Then we compare previous
1896 * work list with the new one, and check the bits that
1897 * appeared. If the lowest of these bits is lower than
1898 * the current bit, it means we have enabled a previous
1899 * analyser and must immediately loop again.
Willy Tarreauedcf6682008-11-30 23:15:34 +01001900 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001901
Willy Tarreau8f128b42014-11-28 15:07:47 +01001902 ana_list = ana_back = req->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001903 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001904 /* Warning! ensure that analysers are always placed in ascending order! */
Christopher Faulet0184ea72017-01-05 14:06:34 +01001905 ANALYZE (s, req, flt_start_analyze, ana_list, ana_back, AN_REQ_FLT_START_FE);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001906 FLT_ANALYZE(s, req, tcp_inspect_request, ana_list, ana_back, AN_REQ_INSPECT_FE);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001907 FLT_ANALYZE(s, req, http_wait_for_request, ana_list, ana_back, AN_REQ_WAIT_HTTP);
1908 FLT_ANALYZE(s, req, http_wait_for_request_body, ana_list, ana_back, AN_REQ_HTTP_BODY);
1909 FLT_ANALYZE(s, req, http_process_req_common, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE, sess->fe);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001910 FLT_ANALYZE(s, req, process_switching_rules, ana_list, ana_back, AN_REQ_SWITCHING_RULES);
Christopher Faulet0184ea72017-01-05 14:06:34 +01001911 ANALYZE (s, req, flt_start_analyze, ana_list, ana_back, AN_REQ_FLT_START_BE);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001912 FLT_ANALYZE(s, req, tcp_inspect_request, ana_list, ana_back, AN_REQ_INSPECT_BE);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001913 FLT_ANALYZE(s, req, http_process_req_common, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE, s->be);
1914 FLT_ANALYZE(s, req, http_process_tarpit, ana_list, ana_back, AN_REQ_HTTP_TARPIT);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001915 FLT_ANALYZE(s, req, process_server_rules, ana_list, ana_back, AN_REQ_SRV_RULES);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001916 FLT_ANALYZE(s, req, http_process_request, ana_list, ana_back, AN_REQ_HTTP_INNER);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001917 FLT_ANALYZE(s, req, tcp_persist_rdp_cookie, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE);
1918 FLT_ANALYZE(s, req, process_sticking_rules, ana_list, ana_back, AN_REQ_STICKING_RULES);
Christopher Faulet0184ea72017-01-05 14:06:34 +01001919 ANALYZE (s, req, flt_analyze_http_headers, ana_list, ana_back, AN_REQ_FLT_HTTP_HDRS);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001920 ANALYZE (s, req, http_request_forward_body, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY);
William Lallemandcf62f7e2018-10-26 14:47:40 +02001921 ANALYZE (s, req, pcli_wait_for_request, ana_list, ana_back, AN_REQ_WAIT_CLI);
Christopher Faulet0184ea72017-01-05 14:06:34 +01001922 ANALYZE (s, req, flt_xfer_data, ana_list, ana_back, AN_REQ_FLT_XFER_DATA);
1923 ANALYZE (s, req, flt_end_analyze, ana_list, ana_back, AN_REQ_FLT_END);
Willy Tarreaue34070e2010-01-08 00:32:27 +01001924 break;
1925 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01001926 }
Willy Tarreau84455332009-03-15 22:34:05 +01001927
Willy Tarreau8f128b42014-11-28 15:07:47 +01001928 rq_prod_last = si_f->state;
1929 rq_cons_last = si_b->state;
1930 req->flags &= ~CF_WAKE_ONCE;
1931 rqf_last = req->flags;
Willy Tarreau815a9b22010-07-27 17:15:12 +02001932
Willy Tarreau1ec9bb52019-06-06 14:45:26 +02001933 if ((req->flags ^ flags) & (CF_SHUTR|CF_SHUTW))
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001934 goto resync_request;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001935 }
1936
Willy Tarreau576507f2010-01-07 00:09:04 +01001937 /* we'll monitor the request analysers while parsing the response,
1938 * because some response analysers may indirectly enable new request
1939 * analysers (eg: HTTP keep-alive).
1940 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001941 req_ana_back = req->analysers;
Willy Tarreau576507f2010-01-07 00:09:04 +01001942
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001943 resync_response:
1944 /* Analyse response */
1945
Willy Tarreau8f128b42014-11-28 15:07:47 +01001946 if (((res->flags & ~rpf_last) & CF_MASK_ANALYSER) ||
1947 (res->flags ^ rpf_last) & CF_MASK_STATIC ||
Willy Tarreau33982cb2017-11-20 15:37:13 +01001948 (res->analysers && (res->flags & CF_SHUTW)) ||
Willy Tarreau8f128b42014-11-28 15:07:47 +01001949 si_f->state != rp_cons_last ||
1950 si_b->state != rp_prod_last ||
Christopher Faulet9d810ca2016-12-08 22:33:52 +01001951 s->pending_events & TASK_WOKEN_MSG) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01001952 unsigned int flags = res->flags;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001953
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02001954 if (si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) {
Willy Tarreaue34070e2010-01-08 00:32:27 +01001955 int max_loops = global.tune.maxpollevents;
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001956 unsigned int ana_list;
1957 unsigned int ana_back;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001958
Willy Tarreau90deb182010-01-07 00:20:41 +01001959 /* it's up to the analysers to stop disable reading or
1960 * closing. Note: if an analyser disables any of these
1961 * bits, it is responsible for enabling them again when
1962 * it disables itself, so that other analysers are called
1963 * in similar conditions.
1964 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01001965 channel_auto_read(res);
1966 channel_auto_close(res);
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001967
1968 /* We will call all analysers for which a bit is set in
Willy Tarreau8f128b42014-11-28 15:07:47 +01001969 * res->analysers, following the bit order from LSB
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001970 * to MSB. The analysers must remove themselves from
1971 * the list when not needed. Any analyser may return 0
1972 * to break out of the loop, either because of missing
1973 * data to take a decision, or because it decides to
Willy Tarreau87b09662015-04-03 00:22:06 +02001974 * kill the stream. We loop at least once through each
Willy Tarreaub37c27e2009-10-18 22:53:08 +02001975 * analyser, and we may loop again if other analysers
1976 * are added in the middle.
1977 */
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001978
Willy Tarreau8f128b42014-11-28 15:07:47 +01001979 ana_list = ana_back = res->analysers;
Willy Tarreaue34070e2010-01-08 00:32:27 +01001980 while (ana_list && max_loops--) {
Willy Tarreau1e0bbaf2010-01-06 23:53:24 +01001981 /* Warning! ensure that analysers are always placed in ascending order! */
Christopher Faulet0184ea72017-01-05 14:06:34 +01001982 ANALYZE (s, res, flt_start_analyze, ana_list, ana_back, AN_RES_FLT_START_FE);
1983 ANALYZE (s, res, flt_start_analyze, ana_list, ana_back, AN_RES_FLT_START_BE);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001984 FLT_ANALYZE(s, res, tcp_inspect_response, ana_list, ana_back, AN_RES_INSPECT);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001985 FLT_ANALYZE(s, res, http_wait_for_response, ana_list, ana_back, AN_RES_WAIT_HTTP);
Christopher Fauleta9215b72016-05-11 17:06:28 +02001986 FLT_ANALYZE(s, res, process_store_rules, ana_list, ana_back, AN_RES_STORE_RULES);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001987 FLT_ANALYZE(s, res, http_process_res_common, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE, s->be);
Christopher Faulet0184ea72017-01-05 14:06:34 +01001988 ANALYZE (s, res, flt_analyze_http_headers, ana_list, ana_back, AN_RES_FLT_HTTP_HDRS);
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02001989 ANALYZE (s, res, http_response_forward_body, ana_list, ana_back, AN_RES_HTTP_XFER_BODY);
William Lallemandcf62f7e2018-10-26 14:47:40 +02001990 ANALYZE (s, res, pcli_wait_for_response, ana_list, ana_back, AN_RES_WAIT_CLI);
Christopher Faulet0184ea72017-01-05 14:06:34 +01001991 ANALYZE (s, res, flt_xfer_data, ana_list, ana_back, AN_RES_FLT_XFER_DATA);
1992 ANALYZE (s, res, flt_end_analyze, ana_list, ana_back, AN_RES_FLT_END);
Willy Tarreaue34070e2010-01-08 00:32:27 +01001993 break;
1994 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02001995 }
1996
Willy Tarreau8f128b42014-11-28 15:07:47 +01001997 rp_cons_last = si_f->state;
1998 rp_prod_last = si_b->state;
Christopher Fauletcdaea892017-07-06 15:49:30 +02001999 res->flags &= ~CF_WAKE_ONCE;
Willy Tarreau8f128b42014-11-28 15:07:47 +01002000 rpf_last = res->flags;
Willy Tarreau815a9b22010-07-27 17:15:12 +02002001
Willy Tarreau1ec9bb52019-06-06 14:45:26 +02002002 if ((res->flags ^ flags) & (CF_SHUTR|CF_SHUTW))
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002003 goto resync_response;
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002004 }
2005
Willy Tarreau576507f2010-01-07 00:09:04 +01002006 /* maybe someone has added some request analysers, so we must check and loop */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002007 if (req->analysers & ~req_ana_back)
Willy Tarreau576507f2010-01-07 00:09:04 +01002008 goto resync_request;
2009
Willy Tarreau8f128b42014-11-28 15:07:47 +01002010 if ((req->flags & ~rqf_last) & CF_MASK_ANALYSER)
Willy Tarreau0499e352010-12-17 07:13:42 +01002011 goto resync_request;
2012
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002013 /* FIXME: here we should call protocol handlers which rely on
2014 * both buffers.
2015 */
2016
2017
2018 /*
Willy Tarreau87b09662015-04-03 00:22:06 +02002019 * Now we propagate unhandled errors to the stream. Normally
Willy Tarreauae526782010-03-04 20:34:23 +01002020 * we're just in a data phase here since it means we have not
2021 * seen any analyser who could set an error status.
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002022 */
Willy Tarreau3fdb3662012-11-12 00:42:33 +01002023 srv = objt_server(s->target);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002024 if (unlikely(!(s->flags & SF_ERR_MASK))) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01002025 if (req->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002026 /* Report it if the client got an error or a read timeout expired */
Christopher Fauletc94f7272021-10-18 15:06:20 +02002027 req->analysers &= AN_REQ_FLT_END;
Willy Tarreau8f128b42014-11-28 15:07:47 +01002028 if (req->flags & CF_READ_ERROR) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002029 _HA_ATOMIC_INC(&s->be->be_counters.cli_aborts);
2030 _HA_ATOMIC_INC(&sess->fe->fe_counters.cli_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002031 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002032 _HA_ATOMIC_INC(&sess->listener->counters->cli_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002033 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002034 _HA_ATOMIC_INC(&srv->counters.cli_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002035 s->flags |= SF_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01002036 }
Willy Tarreau8f128b42014-11-28 15:07:47 +01002037 else if (req->flags & CF_READ_TIMEOUT) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002038 _HA_ATOMIC_INC(&s->be->be_counters.cli_aborts);
2039 _HA_ATOMIC_INC(&sess->fe->fe_counters.cli_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002040 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002041 _HA_ATOMIC_INC(&sess->listener->counters->cli_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002042 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002043 _HA_ATOMIC_INC(&srv->counters.cli_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002044 s->flags |= SF_ERR_CLITO;
Willy Tarreauae526782010-03-04 20:34:23 +01002045 }
Willy Tarreau8f128b42014-11-28 15:07:47 +01002046 else if (req->flags & CF_WRITE_ERROR) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002047 _HA_ATOMIC_INC(&s->be->be_counters.srv_aborts);
2048 _HA_ATOMIC_INC(&sess->fe->fe_counters.srv_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002049 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002050 _HA_ATOMIC_INC(&sess->listener->counters->srv_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002051 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002052 _HA_ATOMIC_INC(&srv->counters.srv_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002053 s->flags |= SF_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01002054 }
2055 else {
Willy Tarreau4781b152021-04-06 13:53:36 +02002056 _HA_ATOMIC_INC(&s->be->be_counters.srv_aborts);
2057 _HA_ATOMIC_INC(&sess->fe->fe_counters.srv_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002058 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002059 _HA_ATOMIC_INC(&sess->listener->counters->srv_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002060 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002061 _HA_ATOMIC_INC(&srv->counters.srv_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002062 s->flags |= SF_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01002063 }
Willy Tarreau84455332009-03-15 22:34:05 +01002064 sess_set_term_flags(s);
Christopher Faulet5e1a9d72019-04-23 17:34:22 +02002065
2066 /* Abort the request if a client error occurred while
2067 * the backend stream-interface is in the SI_ST_INI
2068 * state. It is switched into the SI_ST_CLO state and
2069 * the request channel is erased. */
2070 if (si_b->state == SI_ST_INI) {
2071 si_b->state = SI_ST_CLO;
2072 channel_abort(req);
2073 if (IS_HTX_STRM(s))
2074 channel_htx_erase(req, htxbuf(&req->buf));
2075 else
2076 channel_erase(req);
2077 }
Willy Tarreau84455332009-03-15 22:34:05 +01002078 }
Willy Tarreau8f128b42014-11-28 15:07:47 +01002079 else if (res->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) {
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002080 /* Report it if the server got an error or a read timeout expired */
Christopher Fauletc94f7272021-10-18 15:06:20 +02002081 res->analysers &= AN_RES_FLT_END;
Willy Tarreau8f128b42014-11-28 15:07:47 +01002082 if (res->flags & CF_READ_ERROR) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002083 _HA_ATOMIC_INC(&s->be->be_counters.srv_aborts);
2084 _HA_ATOMIC_INC(&sess->fe->fe_counters.srv_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002085 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002086 _HA_ATOMIC_INC(&sess->listener->counters->srv_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002087 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002088 _HA_ATOMIC_INC(&srv->counters.srv_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002089 s->flags |= SF_ERR_SRVCL;
Willy Tarreauae526782010-03-04 20:34:23 +01002090 }
Willy Tarreau8f128b42014-11-28 15:07:47 +01002091 else if (res->flags & CF_READ_TIMEOUT) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002092 _HA_ATOMIC_INC(&s->be->be_counters.srv_aborts);
2093 _HA_ATOMIC_INC(&sess->fe->fe_counters.srv_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002094 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002095 _HA_ATOMIC_INC(&sess->listener->counters->srv_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002096 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002097 _HA_ATOMIC_INC(&srv->counters.srv_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002098 s->flags |= SF_ERR_SRVTO;
Willy Tarreauae526782010-03-04 20:34:23 +01002099 }
Willy Tarreau8f128b42014-11-28 15:07:47 +01002100 else if (res->flags & CF_WRITE_ERROR) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002101 _HA_ATOMIC_INC(&s->be->be_counters.cli_aborts);
2102 _HA_ATOMIC_INC(&sess->fe->fe_counters.cli_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002103 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002104 _HA_ATOMIC_INC(&sess->listener->counters->cli_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002105 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002106 _HA_ATOMIC_INC(&srv->counters.cli_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002107 s->flags |= SF_ERR_CLICL;
Willy Tarreauae526782010-03-04 20:34:23 +01002108 }
2109 else {
Willy Tarreau4781b152021-04-06 13:53:36 +02002110 _HA_ATOMIC_INC(&s->be->be_counters.cli_aborts);
2111 _HA_ATOMIC_INC(&sess->fe->fe_counters.cli_aborts);
Christopher Faulet99ac8a12020-01-24 11:45:05 +01002112 if (sess->listener && sess->listener->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02002113 _HA_ATOMIC_INC(&sess->listener->counters->cli_aborts);
Willy Tarreau827aee92011-03-10 16:55:02 +01002114 if (srv)
Willy Tarreau4781b152021-04-06 13:53:36 +02002115 _HA_ATOMIC_INC(&srv->counters.cli_aborts);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002116 s->flags |= SF_ERR_CLITO;
Willy Tarreauae526782010-03-04 20:34:23 +01002117 }
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002118 sess_set_term_flags(s);
2119 }
Willy Tarreau84455332009-03-15 22:34:05 +01002120 }
2121
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002122 /*
2123 * Here we take care of forwarding unhandled data. This also includes
2124 * connection establishments and shutdown requests.
2125 */
2126
2127
Ilya Shipitsinb8888ab2021-01-06 21:20:16 +05002128 /* If no one is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02002129 * everything. We configure the buffer to forward indefinitely.
Willy Tarreau03cdb7c2012-08-27 23:14:58 +02002130 * Note that we're checking CF_SHUTR_NOW as an indication of a possible
Willy Tarreau8263d2b2012-08-28 00:06:31 +02002131 * recent call to channel_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002132 */
Christopher Faulet35fe6992017-08-29 16:06:38 +02002133 if (unlikely((!req->analysers || (req->analysers == AN_REQ_FLT_END && !(req->flags & CF_FLT_ANALYZE))) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002134 !(req->flags & (CF_SHUTW|CF_SHUTR_NOW)) &&
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02002135 (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002136 (req->to_forward != CHN_INFINITE_FORWARD))) {
Willy Tarreaub31c9712012-11-11 23:05:39 +01002137 /* This buffer is freewheeling, there's no analyser
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002138 * attached to it. If any data are left in, we'll permit them to
2139 * move.
2140 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002141 channel_auto_read(req);
2142 channel_auto_connect(req);
2143 channel_auto_close(req);
Willy Tarreau5bd8c372009-01-19 00:32:22 +01002144
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002145 if (IS_HTX_STRM(s)) {
2146 struct htx *htx = htxbuf(&req->buf);
2147
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002148 /* We'll let data flow between the producer (if still connected)
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002149 * to the consumer.
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002150 */
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002151 co_set_data(req, htx->data);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002152 if (!(req->flags & (CF_SHUTR|CF_SHUTW_NOW)))
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002153 channel_htx_forward_forever(req, htx);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002154 }
2155 else {
2156 /* We'll let data flow between the producer (if still connected)
2157 * to the consumer (which might possibly not be connected yet).
2158 */
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002159 c_adv(req, ci_data(req));
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002160 if (!(req->flags & (CF_SHUTR|CF_SHUTW_NOW)))
2161 channel_forward_forever(req);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002162 }
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002163 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01002164
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002165 /* check if it is wise to enable kernel splicing to forward request data */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002166 if (!(req->flags & (CF_KERN_SPLICING|CF_SHUTR)) &&
2167 req->to_forward &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002168 (global.tune.options & GTUNE_USE_SPLICE) &&
Christopher Faulet276c1e02019-11-05 16:49:23 +01002169 (objt_cs(si_f->end) && __objt_cs(si_f->end)->conn->xprt && __objt_cs(si_f->end)->conn->xprt->rcv_pipe &&
2170 __objt_cs(si_f->end)->conn->mux && __objt_cs(si_f->end)->conn->mux->rcv_pipe) &&
2171 (objt_cs(si_b->end) && __objt_cs(si_b->end)->conn->xprt && __objt_cs(si_b->end)->conn->xprt->snd_pipe &&
2172 __objt_cs(si_b->end)->conn->mux && __objt_cs(si_b->end)->conn->mux->snd_pipe) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002173 (pipes_used < global.maxpipes) &&
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002174 (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) ||
2175 (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002176 (req->flags & CF_STREAMER_FAST)))) {
2177 req->flags |= CF_KERN_SPLICING;
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002178 }
2179
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002180 /* reflect what the L7 analysers have seen last */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002181 rqf_last = req->flags;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002182
Willy Tarreau520d95e2009-09-19 21:04:57 +02002183 /* it's possible that an upper layer has requested a connection setup or abort.
2184 * There are 2 situations where we decide to establish a new connection :
2185 * - there are data scheduled for emission in the buffer
Willy Tarreau03cdb7c2012-08-27 23:14:58 +02002186 * - the CF_AUTO_CONNECT flag is set (active connection)
Willy Tarreau520d95e2009-09-19 21:04:57 +02002187 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002188 if (si_b->state == SI_ST_INI) {
Christopher Faulet5e1a9d72019-04-23 17:34:22 +02002189 if (!(req->flags & CF_SHUTW)) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01002190 if ((req->flags & CF_AUTO_CONNECT) || !channel_is_empty(req)) {
Willy Tarreaucf644ed2013-09-29 17:19:56 +02002191 /* If we have an appctx, there is no connect method, so we
2192 * immediately switch to the connected state, otherwise we
2193 * perform a connection request.
Willy Tarreau520d95e2009-09-19 21:04:57 +02002194 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002195 si_b->state = SI_ST_REQ; /* new connection requested */
2196 si_b->conn_retries = s->be->conn_retries;
Christopher Faulet5bf85852021-05-21 13:46:14 +02002197 if ((s->be->retry_type &~ PR_RE_CONN_FAILED) &&
2198 (s->be->mode == PR_MODE_HTTP) &&
2199 !(si_b->flags & SI_FL_D_L7_RETRY))
2200 si_b->flags |= SI_FL_L7_RETRY;
Willy Tarreau520d95e2009-09-19 21:04:57 +02002201 }
Willy Tarreau73201222009-08-16 18:27:24 +02002202 }
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02002203 else {
Willy Tarreau0542c8b2017-11-24 15:01:10 +01002204 si_release_endpoint(si_b);
Willy Tarreau8f128b42014-11-28 15:07:47 +01002205 si_b->state = SI_ST_CLO; /* shutw+ini = abort */
2206 channel_shutw_now(req); /* fix buffer flags upon abort */
2207 channel_shutr_now(res);
Willy Tarreauf41ffdc2009-09-20 08:19:25 +02002208 }
Willy Tarreau92795622009-03-06 12:51:23 +01002209 }
2210
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002211
2212 /* we may have a pending connection request, or a connection waiting
2213 * for completion.
2214 */
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02002215 if (si_state_in(si_b->state, SI_SB_REQ|SI_SB_QUE|SI_SB_TAR|SI_SB_ASS)) {
Thierry FOURNIER4834bc72015-06-06 19:29:07 +02002216 /* prune the request variables and swap to the response variables. */
2217 if (s->vars_reqres.scope != SCOPE_RES) {
Jerome Magnin2f44e882019-11-09 18:00:47 +01002218 if (!LIST_ISEMPTY(&s->vars_reqres.head))
Willy Tarreaucda7f3f2018-10-28 13:44:36 +01002219 vars_prune(&s->vars_reqres, s->sess, s);
Jerome Magnin2f44e882019-11-09 18:00:47 +01002220 vars_init(&s->vars_reqres, SCOPE_RES);
Thierry FOURNIER4834bc72015-06-06 19:29:07 +02002221 }
2222
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002223 do {
2224 /* nb: step 1 might switch from QUE to ASS, but we first want
2225 * to give a chance to step 2 to perform a redirect if needed.
2226 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002227 if (si_b->state != SI_ST_REQ)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01002228 back_try_conn_req(s);
Willy Tarreau8f128b42014-11-28 15:07:47 +01002229 if (si_b->state == SI_ST_REQ)
Willy Tarreau3a9312a2020-01-09 18:43:15 +01002230 back_handle_st_req(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002231
Willy Tarreauada4c582020-03-04 16:42:03 +01002232 /* get a chance to complete an immediate connection setup */
2233 if (si_b->state == SI_ST_RDY)
2234 goto resync_stream_interface;
2235
Willy Tarreau9e5a3aa2013-12-31 23:32:12 +01002236 /* applets directly go to the ESTABLISHED state. Similarly,
2237 * servers experience the same fate when their connection
2238 * is reused.
2239 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002240 if (unlikely(si_b->state == SI_ST_EST))
Willy Tarreau3a9312a2020-01-09 18:43:15 +01002241 back_establish(s);
Willy Tarreaufac4bd12013-11-30 09:21:49 +01002242
Willy Tarreau3fdb3662012-11-12 00:42:33 +01002243 srv = objt_server(s->target);
Willy Tarreaue7dff022015-04-03 01:14:29 +02002244 if (si_b->state == SI_ST_ASS && srv && srv->rdr_len && (s->flags & SF_REDIRECTABLE))
Christopher Fauletfc9cfe42019-07-16 14:54:53 +02002245 http_perform_server_redirect(s, si_b);
Willy Tarreau8f128b42014-11-28 15:07:47 +01002246 } while (si_b->state == SI_ST_ASS);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002247 }
2248
Willy Tarreau829bd472019-06-06 09:17:23 +02002249 /* Let's see if we can send the pending request now */
2250 si_sync_send(si_b);
2251
2252 /*
2253 * Now forward all shutdown requests between both sides of the request buffer
2254 */
2255
2256 /* first, let's check if the request buffer needs to shutdown(write), which may
2257 * happen either because the input is closed or because we want to force a close
2258 * once the server has begun to respond. If a half-closed timeout is set, we adjust
Willy Tarreau9e68a352022-04-14 17:39:48 +02002259 * the other side's timeout as well. However this doesn't have effect during the
2260 * connection setup unless the backend has abortonclose set.
Willy Tarreau829bd472019-06-06 09:17:23 +02002261 */
2262 if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) ==
Willy Tarreau9e68a352022-04-14 17:39:48 +02002263 (CF_AUTO_CLOSE|CF_SHUTR) &&
2264 (si_b->state != SI_ST_CON || (s->be->options & PR_O_ABRT_CLOSE)))) {
Willy Tarreau829bd472019-06-06 09:17:23 +02002265 channel_shutw_now(req);
2266 }
2267
2268 /* shutdown(write) pending */
2269 if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW &&
2270 channel_is_empty(req))) {
2271 if (req->flags & CF_READ_ERROR)
2272 si_b->flags |= SI_FL_NOLINGER;
2273 si_shutw(si_b);
2274 }
2275
2276 /* shutdown(write) done on server side, we must stop the client too */
2277 if (unlikely((req->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW &&
2278 !req->analysers))
2279 channel_shutr_now(req);
2280
2281 /* shutdown(read) pending */
2282 if (unlikely((req->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) {
2283 if (si_f->flags & SI_FL_NOHALF)
2284 si_f->flags |= SI_FL_NOLINGER;
2285 si_shutr(si_f);
2286 }
2287
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002288 /* Benchmarks have shown that it's optimal to do a full resync now */
Willy Tarreau829bd472019-06-06 09:17:23 +02002289 if (si_f->state == SI_ST_DIS ||
2290 si_state_in(si_b->state, SI_SB_RDY|SI_SB_DIS) ||
2291 (si_f->flags & SI_FL_ERR && si_f->state != SI_ST_CLO) ||
2292 (si_b->flags & SI_FL_ERR && si_b->state != SI_ST_CLO))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002293 goto resync_stream_interface;
2294
Willy Tarreau815a9b22010-07-27 17:15:12 +02002295 /* otherwise we want to check if we need to resync the req buffer or not */
Willy Tarreau1ec9bb52019-06-06 14:45:26 +02002296 if ((req->flags ^ rqf_last) & (CF_SHUTR|CF_SHUTW))
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002297 goto resync_request;
2298
Willy Tarreau3deb3d02009-06-21 22:43:05 +02002299 /* perform output updates to the response buffer */
Willy Tarreau84455332009-03-15 22:34:05 +01002300
Ilya Shipitsinb8888ab2021-01-06 21:20:16 +05002301 /* If no one is interested in analysing data, it's time to forward
Willy Tarreau31971e52009-09-20 12:07:52 +02002302 * everything. We configure the buffer to forward indefinitely.
Willy Tarreau03cdb7c2012-08-27 23:14:58 +02002303 * Note that we're checking CF_SHUTR_NOW as an indication of a possible
Willy Tarreau8263d2b2012-08-28 00:06:31 +02002304 * recent call to channel_abort().
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002305 */
Christopher Faulet35fe6992017-08-29 16:06:38 +02002306 if (unlikely((!res->analysers || (res->analysers == AN_RES_FLT_END && !(res->flags & CF_FLT_ANALYZE))) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002307 !(res->flags & (CF_SHUTW|CF_SHUTR_NOW)) &&
Willy Tarreau7ab22adb2019-06-05 14:53:22 +02002308 si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002309 (res->to_forward != CHN_INFINITE_FORWARD))) {
Willy Tarreaub31c9712012-11-11 23:05:39 +01002310 /* This buffer is freewheeling, there's no analyser
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002311 * attached to it. If any data are left in, we'll permit them to
2312 * move.
2313 */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002314 channel_auto_read(res);
2315 channel_auto_close(res);
Willy Tarreauda4d9fe2010-11-07 20:26:56 +01002316
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002317 if (IS_HTX_STRM(s)) {
2318 struct htx *htx = htxbuf(&res->buf);
Willy Tarreauce887fd2012-05-12 12:50:00 +02002319
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002320 /* We'll let data flow between the producer (if still connected)
2321 * to the consumer.
2322 */
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002323 co_set_data(res, htx->data);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002324 if (!(res->flags & (CF_SHUTR|CF_SHUTW_NOW)))
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002325 channel_htx_forward_forever(res, htx);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002326 }
2327 else {
2328 /* We'll let data flow between the producer (if still connected)
2329 * to the consumer.
2330 */
Christopher Faulet2dba1a52018-12-18 21:57:24 +01002331 c_adv(res, ci_data(res));
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002332 if (!(res->flags & (CF_SHUTR|CF_SHUTW_NOW)))
2333 channel_forward_forever(res);
Christopher Fauletb2aedea2018-12-05 11:56:15 +01002334 }
Willy Tarreau42529c32015-07-09 18:38:57 +02002335
Willy Tarreauce887fd2012-05-12 12:50:00 +02002336 /* if we have no analyser anymore in any direction and have a
Willy Tarreau05cdd962014-05-10 14:30:07 +02002337 * tunnel timeout set, use it now. Note that we must respect
2338 * the half-closed timeouts as well.
Willy Tarreauce887fd2012-05-12 12:50:00 +02002339 */
Amaury Denoyellefb504432020-12-10 13:43:53 +01002340 if (!req->analysers && s->tunnel_timeout) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01002341 req->rto = req->wto = res->rto = res->wto =
Amaury Denoyellefb504432020-12-10 13:43:53 +01002342 s->tunnel_timeout;
Willy Tarreau05cdd962014-05-10 14:30:07 +02002343
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002344 if ((req->flags & CF_SHUTR) && tick_isset(sess->fe->timeout.clientfin))
2345 res->wto = sess->fe->timeout.clientfin;
Willy Tarreau8f128b42014-11-28 15:07:47 +01002346 if ((req->flags & CF_SHUTW) && tick_isset(s->be->timeout.serverfin))
2347 res->rto = s->be->timeout.serverfin;
2348 if ((res->flags & CF_SHUTR) && tick_isset(s->be->timeout.serverfin))
2349 req->wto = s->be->timeout.serverfin;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002350 if ((res->flags & CF_SHUTW) && tick_isset(sess->fe->timeout.clientfin))
2351 req->rto = sess->fe->timeout.clientfin;
Willy Tarreau05cdd962014-05-10 14:30:07 +02002352
Willy Tarreau8f128b42014-11-28 15:07:47 +01002353 req->rex = tick_add(now_ms, req->rto);
2354 req->wex = tick_add(now_ms, req->wto);
2355 res->rex = tick_add(now_ms, res->rto);
2356 res->wex = tick_add(now_ms, res->wto);
Willy Tarreauce887fd2012-05-12 12:50:00 +02002357 }
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002358 }
Willy Tarreauf890dc92008-12-13 21:12:26 +01002359
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002360 /* check if it is wise to enable kernel splicing to forward response data */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002361 if (!(res->flags & (CF_KERN_SPLICING|CF_SHUTR)) &&
2362 res->to_forward &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002363 (global.tune.options & GTUNE_USE_SPLICE) &&
Christopher Faulet276c1e02019-11-05 16:49:23 +01002364 (objt_cs(si_f->end) && __objt_cs(si_f->end)->conn->xprt && __objt_cs(si_f->end)->conn->xprt->snd_pipe &&
2365 __objt_cs(si_f->end)->conn->mux && __objt_cs(si_f->end)->conn->mux->snd_pipe) &&
2366 (objt_cs(si_b->end) && __objt_cs(si_b->end)->conn->xprt && __objt_cs(si_b->end)->conn->xprt->rcv_pipe &&
2367 __objt_cs(si_b->end)->conn->mux && __objt_cs(si_b->end)->conn->mux->rcv_pipe) &&
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002368 (pipes_used < global.maxpipes) &&
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002369 (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_RTR) ||
2370 (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) &&
Willy Tarreau8f128b42014-11-28 15:07:47 +01002371 (res->flags & CF_STREAMER_FAST)))) {
2372 res->flags |= CF_KERN_SPLICING;
Willy Tarreau7c84bab2009-03-08 21:38:23 +01002373 }
2374
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002375 /* reflect what the L7 analysers have seen last */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002376 rpf_last = res->flags;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002377
Willy Tarreau829bd472019-06-06 09:17:23 +02002378 /* Let's see if we can send the pending response now */
2379 si_sync_send(si_f);
2380
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002381 /*
2382 * Now forward all shutdown requests between both sides of the buffer
2383 */
2384
2385 /*
2386 * FIXME: this is probably where we should produce error responses.
2387 */
2388
Willy Tarreau6b66f3e2008-12-14 17:31:54 +01002389 /* first, let's check if the response buffer needs to shutdown(write) */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002390 if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) ==
Willy Tarreau05cdd962014-05-10 14:30:07 +02002391 (CF_AUTO_CLOSE|CF_SHUTR))) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01002392 channel_shutw_now(res);
Willy Tarreau05cdd962014-05-10 14:30:07 +02002393 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002394
2395 /* shutdown(write) pending */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002396 if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW &&
2397 channel_is_empty(res))) {
2398 si_shutw(si_f);
Willy Tarreau05cdd962014-05-10 14:30:07 +02002399 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002400
2401 /* shutdown(write) done on the client side, we must stop the server too */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002402 if (unlikely((res->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW) &&
2403 !res->analysers)
2404 channel_shutr_now(res);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002405
2406 /* shutdown(read) pending */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002407 if (unlikely((res->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) {
2408 if (si_b->flags & SI_FL_NOHALF)
2409 si_b->flags |= SI_FL_NOLINGER;
2410 si_shutr(si_b);
Willy Tarreau7bb68ab2012-05-13 14:48:59 +02002411 }
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002412
Willy Tarreau829bd472019-06-06 09:17:23 +02002413 if (si_f->state == SI_ST_DIS ||
2414 si_state_in(si_b->state, SI_SB_RDY|SI_SB_DIS) ||
2415 (si_f->flags & SI_FL_ERR && si_f->state != SI_ST_CLO) ||
2416 (si_b->flags & SI_FL_ERR && si_b->state != SI_ST_CLO))
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002417 goto resync_stream_interface;
2418
Willy Tarreau3c5c0662019-06-06 14:32:49 +02002419 if ((req->flags & ~rqf_last) & CF_MASK_ANALYSER)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002420 goto resync_request;
2421
Willy Tarreau8f128b42014-11-28 15:07:47 +01002422 if ((res->flags ^ rpf_last) & CF_MASK_STATIC)
Willy Tarreau0be0ef92009-03-08 19:20:25 +01002423 goto resync_response;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002424
Willy Tarreau829bd472019-06-06 09:17:23 +02002425 if (((req->flags ^ rqf_last) | (res->flags ^ rpf_last)) & CF_MASK_ANALYSER)
2426 goto resync_request;
2427
Willy Tarreau89f7ef22009-09-05 20:57:35 +02002428 /* we're interested in getting wakeups again */
Willy Tarreau8f128b42014-11-28 15:07:47 +01002429 si_f->flags &= ~SI_FL_DONT_WAKE;
2430 si_b->flags &= ~SI_FL_DONT_WAKE;
Willy Tarreau89f7ef22009-09-05 20:57:35 +02002431
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002432 /* This is needed only when debugging is enabled, to indicate
2433 * client-side or server-side close. Please note that in the unlikely
2434 * event where both sides would close at once, the sequence is reported
2435 * on the server side first.
2436 */
2437 if (unlikely((global.mode & MODE_DEBUG) &&
2438 (!(global.mode & MODE_QUIET) ||
2439 (global.mode & MODE_VERBOSE)))) {
Willy Tarreau8f128b42014-11-28 15:07:47 +01002440 if (si_b->state == SI_ST_CLO &&
2441 si_b->prev_state == SI_ST_EST) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +01002442 chunk_printf(&trash, "%08x:%s.srvcls[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002443 s->uniq_id, s->be->id,
Willy Tarreau66182592021-12-06 07:01:02 +00002444 objt_cs(si_f->end) ? (unsigned short)__objt_cs(si_f->end)->conn->handle.fd : -1,
2445 objt_cs(si_b->end) ? (unsigned short)__objt_cs(si_b->end)->conn->handle.fd : -1);
Willy Tarreau2e8ab6b2020-03-14 11:03:20 +01002446 DISGUISE(write(1, trash.area, trash.data));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002447 }
2448
Willy Tarreau8f128b42014-11-28 15:07:47 +01002449 if (si_f->state == SI_ST_CLO &&
2450 si_f->prev_state == SI_ST_EST) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +01002451 chunk_printf(&trash, "%08x:%s.clicls[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002452 s->uniq_id, s->be->id,
Willy Tarreau66182592021-12-06 07:01:02 +00002453 objt_cs(si_f->end) ? (unsigned short)__objt_cs(si_f->end)->conn->handle.fd : -1,
2454 objt_cs(si_b->end) ? (unsigned short)__objt_cs(si_b->end)->conn->handle.fd : -1);
Willy Tarreau2e8ab6b2020-03-14 11:03:20 +01002455 DISGUISE(write(1, trash.area, trash.data));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002456 }
2457 }
2458
Christopher Faulet223f48e2019-11-13 11:12:32 +01002459 if (likely((si_f->state != SI_ST_CLO) || !si_state_in(si_b->state, SI_SB_INI|SI_SB_CLO) ||
2460 (req->analysers & AN_REQ_FLT_END) || (res->analysers & AN_RES_FLT_END))) {
Olivier Houchard4c18f942019-07-31 18:05:26 +02002461 if ((sess->fe->options & PR_O_CONTSTATS) && (s->flags & SF_BE_ASSIGNED) && !(s->flags & SF_IGNORE))
Willy Tarreau87b09662015-04-03 00:22:06 +02002462 stream_process_counters(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002463
Willy Tarreaud14844a2018-11-08 18:15:29 +01002464 si_update_both(si_f, si_b);
Olivier Houchard53216e72018-10-10 15:46:36 +02002465
Willy Tarreau6f0a7ba2014-06-23 15:22:31 +02002466 /* Trick: if a request is being waiting for the server to respond,
2467 * and if we know the server can timeout, we don't want the timeout
2468 * to expire on the client side first, but we're still interested
2469 * in passing data from the client to the server (eg: POST). Thus,
2470 * we can cancel the client's request timeout if the server's
2471 * request timeout is set and the server has not yet sent a response.
2472 */
2473
Willy Tarreau8f128b42014-11-28 15:07:47 +01002474 if ((res->flags & (CF_AUTO_CLOSE|CF_SHUTR)) == 0 &&
2475 (tick_isset(req->wex) || tick_isset(res->rex))) {
2476 req->flags |= CF_READ_NOEXP;
2477 req->rex = TICK_ETERNITY;
Willy Tarreau6f0a7ba2014-06-23 15:22:31 +02002478 }
2479
Christopher Faulet9d810ca2016-12-08 22:33:52 +01002480 /* Reset pending events now */
2481 s->pending_events = 0;
2482
Willy Tarreau798f4322012-11-08 14:49:17 +01002483 update_exp_and_leave:
Willy Tarreau5fb04712016-05-04 10:18:37 +02002484 /* Note: please ensure that if you branch here you disable SI_FL_DONT_WAKE */
Christopher Fauleta00d8172016-11-10 14:58:05 +01002485 t->expire = tick_first((tick_is_expired(t->expire, now_ms) ? 0 : t->expire),
2486 tick_first(tick_first(req->rex, req->wex),
2487 tick_first(res->rex, res->wex)));
Willy Tarreaudef0d222016-11-08 22:03:00 +01002488 if (!req->analysers)
2489 req->analyse_exp = TICK_ETERNITY;
2490
2491 if ((sess->fe->options & PR_O_CONTSTATS) && (s->flags & SF_BE_ASSIGNED) &&
2492 (!tick_isset(req->analyse_exp) || tick_is_expired(req->analyse_exp, now_ms)))
2493 req->analyse_exp = tick_add(now_ms, 5000);
2494
2495 t->expire = tick_first(t->expire, req->analyse_exp);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002496
Willy Tarreau9a398be2017-11-10 17:14:23 +01002497 t->expire = tick_first(t->expire, res->analyse_exp);
2498
Willy Tarreau8f128b42014-11-28 15:07:47 +01002499 if (si_f->exp)
2500 t->expire = tick_first(t->expire, si_f->exp);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002501
Willy Tarreau8f128b42014-11-28 15:07:47 +01002502 if (si_b->exp)
2503 t->expire = tick_first(t->expire, si_b->exp);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002504
Christopher Faulet9d810ca2016-12-08 22:33:52 +01002505 s->pending_events &= ~(TASK_WOKEN_TIMER | TASK_WOKEN_RES);
Willy Tarreau87b09662015-04-03 00:22:06 +02002506 stream_release_buffers(s);
Christopher Fauleteea8fc72019-11-05 16:18:10 +01002507
2508 DBG_TRACE_DEVEL("queuing", STRM_EV_STRM_PROC, s);
Willy Tarreau26c25062009-03-08 09:38:41 +01002509 return t; /* nothing more to do */
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002510 }
2511
Christopher Fauleteea8fc72019-11-05 16:18:10 +01002512 DBG_TRACE_DEVEL("releasing", STRM_EV_STRM_PROC, s);
2513
Willy Tarreaue7dff022015-04-03 01:14:29 +02002514 if (s->flags & SF_BE_ASSIGNED)
Willy Tarreau4781b152021-04-06 13:53:36 +02002515 _HA_ATOMIC_DEC(&s->be->beconn);
Willy Tarreau6f5e4b92017-09-15 09:07:56 +02002516
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002517 if (unlikely((global.mode & MODE_DEBUG) &&
2518 (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +01002519 chunk_printf(&trash, "%08x:%s.closed[%04x:%04x]\n",
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002520 s->uniq_id, s->be->id,
Willy Tarreau66182592021-12-06 07:01:02 +00002521 objt_cs(si_f->end) ? (unsigned short)__objt_cs(si_f->end)->conn->handle.fd : -1,
2522 objt_cs(si_b->end) ? (unsigned short)__objt_cs(si_b->end)->conn->handle.fd : -1);
Willy Tarreau2e8ab6b2020-03-14 11:03:20 +01002523 DISGUISE(write(1, trash.area, trash.data));
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002524 }
2525
Christopher Faulet341064e2021-01-21 17:10:44 +01002526 if (!(s->flags & SF_IGNORE)) {
2527 s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now);
2528
Olivier Houchard4c18f942019-07-31 18:05:26 +02002529 stream_process_counters(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002530
Christopher Faulet341064e2021-01-21 17:10:44 +01002531 if (s->txn && s->txn->status) {
2532 int n;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002533
Christopher Faulet341064e2021-01-21 17:10:44 +01002534 n = s->txn->status / 100;
2535 if (n < 1 || n > 5)
2536 n = 0;
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002537
Christopher Faulet341064e2021-01-21 17:10:44 +01002538 if (sess->fe->mode == PR_MODE_HTTP) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002539 _HA_ATOMIC_INC(&sess->fe->fe_counters.p.http.rsp[n]);
Christopher Faulet341064e2021-01-21 17:10:44 +01002540 }
2541 if ((s->flags & SF_BE_ASSIGNED) &&
2542 (s->be->mode == PR_MODE_HTTP)) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002543 _HA_ATOMIC_INC(&s->be->be_counters.p.http.rsp[n]);
2544 _HA_ATOMIC_INC(&s->be->be_counters.p.http.cum_req);
Christopher Faulet341064e2021-01-21 17:10:44 +01002545 }
Willy Tarreau5e16cbc2012-11-24 14:54:13 +01002546 }
Christopher Faulet341064e2021-01-21 17:10:44 +01002547
2548 /* let's do a final log if we need it */
2549 if (!LIST_ISEMPTY(&sess->fe->logformat) && s->logs.logwait &&
2550 !(s->flags & SF_MONITOR) &&
2551 (!(sess->fe->options & PR_O_NULLNOLOG) || req->total)) {
2552 /* we may need to know the position in the queue */
2553 pendconn_free(s);
2554 s->do_log(s);
Willy Tarreau5e16cbc2012-11-24 14:54:13 +01002555 }
Krzysztof Piotr Oledzkide71d162009-10-24 15:36:15 +02002556
Christopher Faulet341064e2021-01-21 17:10:44 +01002557 /* update time stats for this stream */
2558 stream_update_time_stats(s);
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002559 }
2560
2561 /* the task MUST not be in the run queue anymore */
Willy Tarreau87b09662015-04-03 00:22:06 +02002562 stream_free(s);
Olivier Houchard3f795f72019-04-17 22:51:06 +02002563 task_destroy(t);
Willy Tarreau26c25062009-03-08 09:38:41 +01002564 return NULL;
Willy Tarreau55a8d0e2008-11-30 18:47:21 +01002565}
2566
Willy Tarreau87b09662015-04-03 00:22:06 +02002567/* Update the stream's backend and server time stats */
2568void stream_update_time_stats(struct stream *s)
Willy Tarreau4bfc5802014-06-17 12:19:18 +02002569{
2570 int t_request;
2571 int t_queue;
2572 int t_connect;
2573 int t_data;
2574 int t_close;
2575 struct server *srv;
Marcin Deraneka8dbdf32020-05-15 20:02:40 +02002576 unsigned int samples_window;
Willy Tarreau4bfc5802014-06-17 12:19:18 +02002577
2578 t_request = 0;
2579 t_queue = s->logs.t_queue;
2580 t_connect = s->logs.t_connect;
2581 t_close = s->logs.t_close;
2582 t_data = s->logs.t_data;
2583
2584 if (s->be->mode != PR_MODE_HTTP)
2585 t_data = t_connect;
2586
2587 if (t_connect < 0 || t_data < 0)
2588 return;
2589
2590 if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept))
2591 t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request);
2592
2593 t_data -= t_connect;
2594 t_connect -= t_queue;
2595 t_queue -= t_request;
2596
2597 srv = objt_server(s->target);
2598 if (srv) {
Marcin Deraneka8dbdf32020-05-15 20:02:40 +02002599 samples_window = (((s->be->mode == PR_MODE_HTTP) ?
2600 srv->counters.p.http.cum_req : srv->counters.cum_lbconn) > TIME_STATS_SAMPLES) ? TIME_STATS_SAMPLES : 0;
2601 swrate_add_dynamic(&srv->counters.q_time, samples_window, t_queue);
2602 swrate_add_dynamic(&srv->counters.c_time, samples_window, t_connect);
2603 swrate_add_dynamic(&srv->counters.d_time, samples_window, t_data);
2604 swrate_add_dynamic(&srv->counters.t_time, samples_window, t_close);
Christopher Fauletefb41f02019-11-08 14:53:15 +01002605 HA_ATOMIC_UPDATE_MAX(&srv->counters.qtime_max, t_queue);
2606 HA_ATOMIC_UPDATE_MAX(&srv->counters.ctime_max, t_connect);
2607 HA_ATOMIC_UPDATE_MAX(&srv->counters.dtime_max, t_data);
2608 HA_ATOMIC_UPDATE_MAX(&srv->counters.ttime_max, t_close);
Willy Tarreau4bfc5802014-06-17 12:19:18 +02002609 }
Marcin Deraneka8dbdf32020-05-15 20:02:40 +02002610 samples_window = (((s->be->mode == PR_MODE_HTTP) ?
2611 s->be->be_counters.p.http.cum_req : s->be->be_counters.cum_lbconn) > TIME_STATS_SAMPLES) ? TIME_STATS_SAMPLES : 0;
2612 swrate_add_dynamic(&s->be->be_counters.q_time, samples_window, t_queue);
2613 swrate_add_dynamic(&s->be->be_counters.c_time, samples_window, t_connect);
2614 swrate_add_dynamic(&s->be->be_counters.d_time, samples_window, t_data);
2615 swrate_add_dynamic(&s->be->be_counters.t_time, samples_window, t_close);
Christopher Fauletefb41f02019-11-08 14:53:15 +01002616 HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.qtime_max, t_queue);
2617 HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.ctime_max, t_connect);
2618 HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.dtime_max, t_data);
2619 HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.ttime_max, t_close);
Willy Tarreau4bfc5802014-06-17 12:19:18 +02002620}
2621
Willy Tarreau7c669d72008-06-20 15:04:11 +02002622/*
2623 * This function adjusts sess->srv_conn and maintains the previous and new
Willy Tarreau87b09662015-04-03 00:22:06 +02002624 * server's served stream counts. Setting newsrv to NULL is enough to release
Willy Tarreau7c669d72008-06-20 15:04:11 +02002625 * current connection slot. This function also notifies any LB algo which might
Willy Tarreau87b09662015-04-03 00:22:06 +02002626 * expect to be informed about any change in the number of active streams on a
Willy Tarreau7c669d72008-06-20 15:04:11 +02002627 * server.
2628 */
Willy Tarreaue89fae32021-03-09 15:43:32 +01002629void sess_change_server(struct stream *strm, struct server *newsrv)
Willy Tarreau7c669d72008-06-20 15:04:11 +02002630{
Willy Tarreaue89fae32021-03-09 15:43:32 +01002631 struct server *oldsrv = strm->srv_conn;
Willy Tarreau751153e2021-02-17 13:33:24 +01002632
2633 if (oldsrv == newsrv)
Willy Tarreau7c669d72008-06-20 15:04:11 +02002634 return;
2635
Willy Tarreau751153e2021-02-17 13:33:24 +01002636 if (oldsrv) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002637 _HA_ATOMIC_DEC(&oldsrv->served);
2638 _HA_ATOMIC_DEC(&oldsrv->proxy->served);
Olivier Houcharddc6111e2019-03-08 18:54:51 +01002639 __ha_barrier_atomic_store();
Willy Tarreau59b0fec2021-02-17 16:01:37 +01002640 if (oldsrv->proxy->lbprm.server_drop_conn)
2641 oldsrv->proxy->lbprm.server_drop_conn(oldsrv, 0);
Willy Tarreaue89fae32021-03-09 15:43:32 +01002642 stream_del_srv_conn(strm);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002643 }
2644
2645 if (newsrv) {
Willy Tarreau4781b152021-04-06 13:53:36 +02002646 _HA_ATOMIC_INC(&newsrv->served);
2647 _HA_ATOMIC_INC(&newsrv->proxy->served);
Olivier Houcharddc6111e2019-03-08 18:54:51 +01002648 __ha_barrier_atomic_store();
Willy Tarreau59b0fec2021-02-17 16:01:37 +01002649 if (newsrv->proxy->lbprm.server_take_conn)
2650 newsrv->proxy->lbprm.server_take_conn(newsrv, 0);
Willy Tarreaue89fae32021-03-09 15:43:32 +01002651 stream_add_srv_conn(strm, newsrv);
Willy Tarreau7c669d72008-06-20 15:04:11 +02002652 }
2653}
2654
Willy Tarreau84455332009-03-15 22:34:05 +01002655/* Handle server-side errors for default protocols. It is called whenever a a
2656 * connection setup is aborted or a request is aborted in queue. It sets the
Willy Tarreau87b09662015-04-03 00:22:06 +02002657 * stream termination flags so that the caller does not have to worry about
Willy Tarreau84455332009-03-15 22:34:05 +01002658 * them. It's installed as ->srv_error for the server-side stream_interface.
2659 */
Willy Tarreau87b09662015-04-03 00:22:06 +02002660void default_srv_error(struct stream *s, struct stream_interface *si)
Willy Tarreau84455332009-03-15 22:34:05 +01002661{
2662 int err_type = si->err_type;
2663 int err = 0, fin = 0;
2664
2665 if (err_type & SI_ET_QUEUE_ABRT) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002666 err = SF_ERR_CLICL;
2667 fin = SF_FINST_Q;
Willy Tarreau84455332009-03-15 22:34:05 +01002668 }
2669 else if (err_type & SI_ET_CONN_ABRT) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002670 err = SF_ERR_CLICL;
2671 fin = SF_FINST_C;
Willy Tarreau84455332009-03-15 22:34:05 +01002672 }
2673 else if (err_type & SI_ET_QUEUE_TO) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002674 err = SF_ERR_SRVTO;
2675 fin = SF_FINST_Q;
Willy Tarreau84455332009-03-15 22:34:05 +01002676 }
2677 else if (err_type & SI_ET_QUEUE_ERR) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002678 err = SF_ERR_SRVCL;
2679 fin = SF_FINST_Q;
Willy Tarreau84455332009-03-15 22:34:05 +01002680 }
2681 else if (err_type & SI_ET_CONN_TO) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002682 err = SF_ERR_SRVTO;
2683 fin = SF_FINST_C;
Willy Tarreau84455332009-03-15 22:34:05 +01002684 }
2685 else if (err_type & SI_ET_CONN_ERR) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002686 err = SF_ERR_SRVCL;
2687 fin = SF_FINST_C;
Willy Tarreau84455332009-03-15 22:34:05 +01002688 }
Willy Tarreau2d400bb2012-05-14 12:11:47 +02002689 else if (err_type & SI_ET_CONN_RES) {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002690 err = SF_ERR_RESOURCE;
2691 fin = SF_FINST_C;
Willy Tarreau2d400bb2012-05-14 12:11:47 +02002692 }
Willy Tarreau84455332009-03-15 22:34:05 +01002693 else /* SI_ET_CONN_OTHER and others */ {
Willy Tarreaue7dff022015-04-03 01:14:29 +02002694 err = SF_ERR_INTERNAL;
2695 fin = SF_FINST_C;
Willy Tarreau84455332009-03-15 22:34:05 +01002696 }
2697
Willy Tarreaue7dff022015-04-03 01:14:29 +02002698 if (!(s->flags & SF_ERR_MASK))
Willy Tarreau84455332009-03-15 22:34:05 +01002699 s->flags |= err;
Willy Tarreaue7dff022015-04-03 01:14:29 +02002700 if (!(s->flags & SF_FINST_MASK))
Willy Tarreau84455332009-03-15 22:34:05 +01002701 s->flags |= fin;
2702}
Willy Tarreau7c669d72008-06-20 15:04:11 +02002703
Willy Tarreaue7dff022015-04-03 01:14:29 +02002704/* kill a stream and set the termination flags to <why> (one of SF_ERR_*) */
Willy Tarreau87b09662015-04-03 00:22:06 +02002705void stream_shutdown(struct stream *stream, int why)
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002706{
Willy Tarreau87b09662015-04-03 00:22:06 +02002707 if (stream->req.flags & (CF_SHUTW|CF_SHUTW_NOW))
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002708 return;
2709
Willy Tarreau87b09662015-04-03 00:22:06 +02002710 channel_shutw_now(&stream->req);
2711 channel_shutr_now(&stream->res);
2712 stream->task->nice = 1024;
Willy Tarreaue7dff022015-04-03 01:14:29 +02002713 if (!(stream->flags & SF_ERR_MASK))
Willy Tarreau87b09662015-04-03 00:22:06 +02002714 stream->flags |= why;
2715 task_wakeup(stream->task, TASK_WOKEN_OTHER);
Willy Tarreaua2a64e92011-09-07 23:01:56 +02002716}
Willy Tarreau9ba2dcc2010-06-14 21:04:55 +02002717
Willy Tarreau5484d582019-05-22 09:33:03 +02002718/* Appends a dump of the state of stream <s> into buffer <buf> which must have
2719 * preliminary be prepared by its caller, with each line prepended by prefix
2720 * <pfx>, and each line terminated by character <eol>.
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002721 */
Willy Tarreau5484d582019-05-22 09:33:03 +02002722void stream_dump(struct buffer *buf, const struct stream *s, const char *pfx, char eol)
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002723{
2724 const struct conn_stream *csf, *csb;
2725 const struct connection *cof, *cob;
2726 const struct appctx *acf, *acb;
2727 const struct server *srv;
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002728 const char *src = "unknown";
2729 const char *dst = "unknown";
2730 char pn[INET6_ADDRSTRLEN];
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002731 const struct channel *req, *res;
2732 const struct stream_interface *si_f, *si_b;
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002733
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002734 if (!s) {
Willy Tarreau5484d582019-05-22 09:33:03 +02002735 chunk_appendf(buf, "%sstrm=%p%c", pfx, s, eol);
2736 return;
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002737 }
2738
Willy Tarreau5484d582019-05-22 09:33:03 +02002739 if (s->obj_type != OBJ_TYPE_STREAM) {
2740 chunk_appendf(buf, "%sstrm=%p [invalid type=%d(%s)]%c",
2741 pfx, s, s->obj_type, obj_type_name(&s->obj_type), eol);
2742 return;
2743 }
2744
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002745 si_f = &s->si[0];
2746 si_b = &s->si[1];
2747 req = &s->req;
2748 res = &s->res;
2749
2750 csf = objt_cs(si_f->end);
2751 cof = cs_conn(csf);
2752 acf = objt_appctx(si_f->end);
Willy Tarreau71e34c12019-07-17 15:07:06 +02002753 if (cof && cof->src && addr_to_str(cof->src, pn, sizeof(pn)) >= 0)
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002754 src = pn;
2755 else if (acf)
2756 src = acf->applet->name;
2757
2758 csb = objt_cs(si_b->end);
2759 cob = cs_conn(csb);
2760 acb = objt_appctx(si_b->end);
2761 srv = objt_server(s->target);
2762 if (srv)
2763 dst = srv->id;
2764 else if (acb)
2765 dst = acb->applet->name;
2766
Willy Tarreau5484d582019-05-22 09:33:03 +02002767 chunk_appendf(buf,
Christopher Fauletc86efe12021-11-02 17:18:15 +01002768 "%sstrm=%p,%x src=%s fe=%s be=%s dst=%s%c"
2769 "%stxn=%p,%x txn.req=%s,%x txn.rsp=%s,%x%c"
Willy Tarreau5484d582019-05-22 09:33:03 +02002770 "%srqf=%x rqa=%x rpf=%x rpa=%x sif=%s,%x sib=%s,%x%c"
2771 "%saf=%p,%u csf=%p,%x%c"
2772 "%sab=%p,%u csb=%p,%x%c"
2773 "%scof=%p,%x:%s(%p)/%s(%p)/%s(%d)%c"
2774 "%scob=%p,%x:%s(%p)/%s(%p)/%s(%d)%c"
2775 "",
Christopher Fauletc86efe12021-11-02 17:18:15 +01002776 pfx, s, s->flags, src, s->sess->fe->id, s->be->id, dst, eol,
2777 pfx, s->txn, (s->txn ? s->txn->flags : 0),
2778 (s->txn ? h1_msg_state_str(s->txn->req.msg_state): "-"), (s->txn ? s->txn->req.flags : 0),
2779 (s->txn ? h1_msg_state_str(s->txn->rsp.msg_state): "-"), (s->txn ? s->txn->rsp.flags : 0), eol,
Willy Tarreau5484d582019-05-22 09:33:03 +02002780 pfx, req->flags, req->analysers, res->flags, res->analysers,
2781 si_state_str(si_f->state), si_f->flags,
2782 si_state_str(si_b->state), si_b->flags, eol,
2783 pfx, acf, acf ? acf->st0 : 0, csf, csf ? csf->flags : 0, eol,
2784 pfx, acb, acb ? acb->st0 : 0, csb, csb ? csb->flags : 0, eol,
2785 pfx, cof, cof ? cof->flags : 0, conn_get_mux_name(cof), cof?cof->ctx:0, conn_get_xprt_name(cof),
2786 cof ? cof->xprt_ctx : 0, conn_get_ctrl_name(cof), cof ? cof->handle.fd : 0, eol,
2787 pfx, cob, cob ? cob->flags : 0, conn_get_mux_name(cob), cob?cob->ctx:0, conn_get_xprt_name(cob),
2788 cob ? cob->xprt_ctx : 0, conn_get_ctrl_name(cob), cob ? cob->handle.fd : 0, eol);
2789}
2790
2791/* dumps an error message for type <type> at ptr <ptr> related to stream <s>,
Willy Tarreaub106ce12019-05-22 08:57:01 +02002792 * having reached loop rate <rate>, then aborts hoping to retrieve a core.
Willy Tarreau5484d582019-05-22 09:33:03 +02002793 */
2794void stream_dump_and_crash(enum obj_type *obj, int rate)
2795{
2796 const struct stream *s;
Willy Tarreau5484d582019-05-22 09:33:03 +02002797 char *msg = NULL;
2798 const void *ptr;
2799
2800 ptr = s = objt_stream(obj);
2801 if (!s) {
2802 const struct appctx *appctx = objt_appctx(obj);
2803 if (!appctx)
2804 return;
2805 ptr = appctx;
2806 s = si_strm(appctx->owner);
2807 if (!s)
2808 return;
2809 }
2810
Willy Tarreau5484d582019-05-22 09:33:03 +02002811 chunk_reset(&trash);
2812 stream_dump(&trash, s, "", ' ');
Willy Tarreau9753d612020-05-01 16:57:02 +02002813
2814 chunk_appendf(&trash, "filters={");
2815 if (HAS_FILTERS(s)) {
2816 struct filter *filter;
2817
2818 list_for_each_entry(filter, &s->strm_flt.filters, list) {
2819 if (filter->list.p != &s->strm_flt.filters)
2820 chunk_appendf(&trash, ", ");
2821 chunk_appendf(&trash, "%p=\"%s\"", filter, FLT_ID(filter));
2822 }
2823 }
2824 chunk_appendf(&trash, "}");
2825
Willy Tarreaub106ce12019-05-22 08:57:01 +02002826 memprintf(&msg,
2827 "A bogus %s [%p] is spinning at %d calls per second and refuses to die, "
2828 "aborting now! Please report this error to developers "
2829 "[%s]\n",
Willy Tarreau5484d582019-05-22 09:33:03 +02002830 obj_type_name(obj), ptr, rate, trash.area);
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002831
2832 ha_alert("%s", msg);
2833 send_log(NULL, LOG_EMERG, "%s", msg);
Willy Tarreau2f67e542021-03-02 19:19:41 +01002834 ABORT_NOW();
Willy Tarreau71c07ac2019-04-25 19:08:48 +02002835}
2836
Willy Tarreaua698eb62021-02-24 10:37:01 +01002837/* initialize the require structures */
2838static void init_stream()
2839{
2840 int thr;
2841
2842 for (thr = 0; thr < MAX_THREADS; thr++)
2843 LIST_INIT(&ha_thread_info[thr].streams);
2844}
2845INITCALL0(STG_INIT, init_stream);
2846
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002847/* Generates a unique ID based on the given <format>, stores it in the given <strm> and
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002848 * returns the unique ID.
2849
2850 * If this function fails to allocate memory IST_NULL is returned.
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002851 *
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002852 * If an ID is already stored within the stream nothing happens existing unique ID is
2853 * returned.
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002854 */
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002855struct ist stream_generate_unique_id(struct stream *strm, struct list *format)
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002856{
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002857 if (isttest(strm->unique_id)) {
2858 return strm->unique_id;
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002859 }
2860 else {
2861 char *unique_id;
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002862 int length;
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002863 if ((unique_id = pool_alloc(pool_head_uniqueid)) == NULL)
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002864 return IST_NULL;
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002865
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002866 length = build_logline(strm, unique_id, UNIQUEID_LEN, format);
2867 strm->unique_id = ist2(unique_id, length);
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002868
Tim Duesterhusa17e6622020-03-05 20:19:02 +01002869 return strm->unique_id;
Tim Duesterhus127a74d2020-02-28 15:13:33 +01002870 }
2871}
2872
Willy Tarreau8b22a712010-06-18 17:46:06 +02002873/************************************************************************/
2874/* All supported ACL keywords must be declared here. */
2875/************************************************************************/
Christopher Fauletae863c62021-03-15 12:03:44 +01002876static enum act_return tcp_action_switch_stream_mode(struct act_rule *rule, struct proxy *px,
2877 struct session *sess, struct stream *s, int flags)
2878{
2879 enum pr_mode mode = (uintptr_t)rule->arg.act.p[0];
2880 const struct mux_proto_list *mux_proto = rule->arg.act.p[1];
2881
2882 if (!IS_HTX_STRM(s) && mode == PR_MODE_HTTP) {
2883 if (!stream_set_http_mode(s, mux_proto)) {
2884 channel_abort(&s->req);
2885 channel_abort(&s->res);
2886 return ACT_RET_ABRT;
2887 }
2888 }
2889 return ACT_RET_STOP;
2890}
2891
2892
2893static int check_tcp_switch_stream_mode(struct act_rule *rule, struct proxy *px, char **err)
2894{
2895 const struct mux_proto_list *mux_ent;
2896 const struct mux_proto_list *mux_proto = rule->arg.act.p[1];
2897 enum pr_mode pr_mode = (uintptr_t)rule->arg.act.p[0];
2898 enum proto_proxy_mode mode = (1 << (pr_mode == PR_MODE_HTTP));
2899
Christopher Faulet3b6446f2021-03-15 15:10:38 +01002900 if (pr_mode == PR_MODE_HTTP)
2901 px->options |= PR_O_HTTP_UPG;
2902
Christopher Fauletae863c62021-03-15 12:03:44 +01002903 if (mux_proto) {
2904 mux_ent = conn_get_best_mux_entry(mux_proto->token, PROTO_SIDE_FE, mode);
2905 if (!mux_ent || !isteq(mux_ent->token, mux_proto->token)) {
2906 memprintf(err, "MUX protocol '%.*s' is not compatible with the selected mode",
2907 (int)mux_proto->token.len, mux_proto->token.ptr);
2908 return 0;
2909 }
2910 }
2911 else {
2912 mux_ent = conn_get_best_mux_entry(IST_NULL, PROTO_SIDE_FE, mode);
2913 if (!mux_ent) {
2914 memprintf(err, "Unable to find compatible MUX protocol with the selected mode");
2915 return 0;
2916 }
2917 }
2918
2919 /* Update the mux */
2920 rule->arg.act.p[1] = (void *)mux_ent;
2921 return 1;
2922
2923}
2924
2925static enum act_parse_ret stream_parse_switch_mode(const char **args, int *cur_arg,
2926 struct proxy *px, struct act_rule *rule,
2927 char **err)
2928{
2929 const struct mux_proto_list *mux_proto = NULL;
2930 struct ist proto;
2931 enum pr_mode mode;
2932
2933 /* must have at least the mode */
2934 if (*(args[*cur_arg]) == 0) {
2935 memprintf(err, "'%s %s' expects a mode as argument.", args[0], args[*cur_arg-1]);
2936 return ACT_RET_PRS_ERR;
2937 }
2938
2939 if (!(px->cap & PR_CAP_FE)) {
2940 memprintf(err, "'%s %s' not allowed because %s '%s' has no frontend capability",
2941 args[0], args[*cur_arg-1], proxy_type_str(px), px->id);
2942 return ACT_RET_PRS_ERR;
2943 }
2944 /* Check if the mode. For now "tcp" is disabled because downgrade is not
2945 * supported and PT is the only TCP mux.
2946 */
2947 if (strcmp(args[*cur_arg], "http") == 0)
2948 mode = PR_MODE_HTTP;
2949 else {
2950 memprintf(err, "'%s %s' expects a valid mode (got '%s').", args[0], args[*cur_arg-1], args[*cur_arg]);
2951 return ACT_RET_PRS_ERR;
2952 }
2953
2954 /* check the proto, if specified */
2955 if (*(args[*cur_arg+1]) && strcmp(args[*cur_arg+1], "proto") == 0) {
2956 if (*(args[*cur_arg+2]) == 0) {
2957 memprintf(err, "'%s %s': '%s' expects a protocol as argument.",
2958 args[0], args[*cur_arg-1], args[*cur_arg+1]);
2959 return ACT_RET_PRS_ERR;
2960 }
2961
2962 proto = ist2(args[*cur_arg+2], strlen(args[*cur_arg+2]));
2963 mux_proto = get_mux_proto(proto);
2964 if (!mux_proto) {
2965 memprintf(err, "'%s %s': '%s' expects a valid MUX protocol, if specified (got '%s')",
2966 args[0], args[*cur_arg-1], args[*cur_arg+1], args[*cur_arg+2]);
2967 return ACT_RET_PRS_ERR;
2968 }
2969 *cur_arg += 2;
2970 }
2971
2972 (*cur_arg)++;
2973
2974 /* Register processing function. */
2975 rule->action_ptr = tcp_action_switch_stream_mode;
2976 rule->check_ptr = check_tcp_switch_stream_mode;
2977 rule->action = ACT_CUSTOM;
2978 rule->arg.act.p[0] = (void *)(uintptr_t)mode;
2979 rule->arg.act.p[1] = (void *)mux_proto;
2980 return ACT_RET_PRS_OK;
2981}
Willy Tarreau8b22a712010-06-18 17:46:06 +02002982
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02002983/* 0=OK, <0=Alert, >0=Warning */
2984static enum act_parse_ret stream_parse_use_service(const char **args, int *cur_arg,
2985 struct proxy *px, struct act_rule *rule,
2986 char **err)
2987{
2988 struct action_kw *kw;
2989
2990 /* Check if the service name exists. */
2991 if (*(args[*cur_arg]) == 0) {
2992 memprintf(err, "'%s' expects a service name.", args[0]);
Thierry FOURNIER337eae12015-11-26 19:48:04 +01002993 return ACT_RET_PRS_ERR;
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02002994 }
2995
2996 /* lookup for keyword corresponding to a service. */
2997 kw = action_lookup(&service_keywords, args[*cur_arg]);
2998 if (!kw) {
2999 memprintf(err, "'%s' unknown service name.", args[1]);
3000 return ACT_RET_PRS_ERR;
3001 }
3002 (*cur_arg)++;
3003
3004 /* executes specific rule parser. */
3005 rule->kw = kw;
3006 if (kw->parse((const char **)args, cur_arg, px, rule, err) == ACT_RET_PRS_ERR)
3007 return ACT_RET_PRS_ERR;
3008
3009 /* Register processing function. */
3010 rule->action_ptr = process_use_service;
3011 rule->action = ACT_CUSTOM;
3012
3013 return ACT_RET_PRS_OK;
3014}
3015
3016void service_keywords_register(struct action_kw_list *kw_list)
3017{
Willy Tarreau2b718102021-04-21 07:32:39 +02003018 LIST_APPEND(&service_keywords, &kw_list->list);
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02003019}
3020
Thierry Fournier87e53992020-11-28 19:32:14 +01003021struct action_kw *service_find(const char *kw)
3022{
3023 return action_lookup(&service_keywords, kw);
3024}
3025
Willy Tarreau679bba12019-03-19 08:08:10 +01003026/* Lists the known services on <out> */
3027void list_services(FILE *out)
3028{
3029 struct action_kw_list *kw_list;
3030 int found = 0;
3031 int i;
3032
3033 fprintf(out, "Available services :");
3034 list_for_each_entry(kw_list, &service_keywords, list) {
3035 for (i = 0; kw_list->kw[i].kw != NULL; i++) {
Willy Tarreau679bba12019-03-19 08:08:10 +01003036 found = 1;
William Dauchyaabde712021-01-09 17:26:20 +01003037 fprintf(out, " %s", kw_list->kw[i].kw);
Willy Tarreau679bba12019-03-19 08:08:10 +01003038 }
3039 }
3040 if (!found)
3041 fprintf(out, " none\n");
3042}
William Lallemand4c5b4d52016-11-21 08:51:11 +01003043
3044/* This function dumps a complete stream state onto the stream interface's
3045 * read buffer. The stream has to be set in strm. It returns 0 if the output
3046 * buffer is full and it needs to be called again, otherwise non-zero. It is
3047 * designed to be called from stats_dump_strm_to_buffer() below.
3048 */
3049static int stats_dump_full_strm_to_buffer(struct stream_interface *si, struct stream *strm)
3050{
3051 struct appctx *appctx = __objt_appctx(si->end);
3052 struct tm tm;
3053 extern const char *monthname[12];
3054 char pn[INET6_ADDRSTRLEN];
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003055 struct conn_stream *cs;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003056 struct connection *conn;
3057 struct appctx *tmpctx;
3058
3059 chunk_reset(&trash);
3060
3061 if (appctx->ctx.sess.section > 0 && appctx->ctx.sess.uid != strm->uniq_id) {
3062 /* stream changed, no need to go any further */
3063 chunk_appendf(&trash, " *** session terminated while we were watching it ***\n");
Willy Tarreaue6e52362019-01-04 17:42:57 +01003064 if (ci_putchk(si_ic(si), &trash) == -1)
3065 goto full;
3066 goto done;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003067 }
3068
3069 switch (appctx->ctx.sess.section) {
3070 case 0: /* main status of the stream */
3071 appctx->ctx.sess.uid = strm->uniq_id;
3072 appctx->ctx.sess.section = 1;
3073 /* fall through */
3074
3075 case 1:
3076 get_localtime(strm->logs.accept_date.tv_sec, &tm);
3077 chunk_appendf(&trash,
3078 "%p: [%02d/%s/%04d:%02d:%02d:%02d.%06d] id=%u proto=%s",
3079 strm,
3080 tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
3081 tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(strm->logs.accept_date.tv_usec),
3082 strm->uniq_id,
Willy Tarreaub7436612020-08-28 19:51:44 +02003083 strm_li(strm) ? strm_li(strm)->rx.proto->name : "?");
William Lallemand4c5b4d52016-11-21 08:51:11 +01003084
3085 conn = objt_conn(strm_orig(strm));
Willy Tarreau71e34c12019-07-17 15:07:06 +02003086 switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003087 case AF_INET:
3088 case AF_INET6:
3089 chunk_appendf(&trash, " source=%s:%d\n",
Willy Tarreau71e34c12019-07-17 15:07:06 +02003090 pn, get_host_port(conn->src));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003091 break;
3092 case AF_UNIX:
3093 chunk_appendf(&trash, " source=unix:%d\n", strm_li(strm)->luid);
3094 break;
3095 default:
3096 /* no more information to print right now */
3097 chunk_appendf(&trash, "\n");
3098 break;
3099 }
3100
3101 chunk_appendf(&trash,
Willy Tarreaub9813182021-02-24 11:29:51 +01003102 " flags=0x%x, conn_retries=%d, srv_conn=%p, pend_pos=%p waiting=%d epoch=%#x\n",
Willy Tarreauadf7a152019-01-07 10:10:07 +01003103 strm->flags, strm->si[1].conn_retries, strm->srv_conn, strm->pend_pos,
Willy Tarreau2b718102021-04-21 07:32:39 +02003104 LIST_INLIST(&strm->buffer_wait.list), strm->stream_epoch);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003105
3106 chunk_appendf(&trash,
3107 " frontend=%s (id=%u mode=%s), listener=%s (id=%u)",
William Lallemandf3894452022-03-08 12:05:31 +01003108 strm_fe(strm)->id, strm_fe(strm)->uuid, proxy_mode_str(strm_fe(strm)->mode),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003109 strm_li(strm) ? strm_li(strm)->name ? strm_li(strm)->name : "?" : "?",
3110 strm_li(strm) ? strm_li(strm)->luid : 0);
3111
Willy Tarreau71e34c12019-07-17 15:07:06 +02003112 switch (conn && conn_get_dst(conn) ? addr_to_str(conn->dst, pn, sizeof(pn)) : AF_UNSPEC) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003113 case AF_INET:
3114 case AF_INET6:
3115 chunk_appendf(&trash, " addr=%s:%d\n",
Willy Tarreau71e34c12019-07-17 15:07:06 +02003116 pn, get_host_port(conn->dst));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003117 break;
3118 case AF_UNIX:
3119 chunk_appendf(&trash, " addr=unix:%d\n", strm_li(strm)->luid);
3120 break;
3121 default:
3122 /* no more information to print right now */
3123 chunk_appendf(&trash, "\n");
3124 break;
3125 }
3126
3127 if (strm->be->cap & PR_CAP_BE)
3128 chunk_appendf(&trash,
3129 " backend=%s (id=%u mode=%s)",
3130 strm->be->id,
William Lallemandf3894452022-03-08 12:05:31 +01003131 strm->be->uuid, proxy_mode_str(strm->be->mode));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003132 else
3133 chunk_appendf(&trash, " backend=<NONE> (id=-1 mode=-)");
3134
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003135 cs = objt_cs(strm->si[1].end);
3136 conn = cs_conn(cs);
3137
Willy Tarreau71e34c12019-07-17 15:07:06 +02003138 switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003139 case AF_INET:
3140 case AF_INET6:
3141 chunk_appendf(&trash, " addr=%s:%d\n",
Willy Tarreau71e34c12019-07-17 15:07:06 +02003142 pn, get_host_port(conn->src));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003143 break;
3144 case AF_UNIX:
3145 chunk_appendf(&trash, " addr=unix\n");
3146 break;
3147 default:
3148 /* no more information to print right now */
3149 chunk_appendf(&trash, "\n");
3150 break;
3151 }
3152
3153 if (strm->be->cap & PR_CAP_BE)
3154 chunk_appendf(&trash,
3155 " server=%s (id=%u)",
Willy Tarreau66182592021-12-06 07:01:02 +00003156 objt_server(strm->target) ? __objt_server(strm->target)->id : "<none>",
3157 objt_server(strm->target) ? __objt_server(strm->target)->puid : 0);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003158 else
3159 chunk_appendf(&trash, " server=<NONE> (id=-1)");
3160
Willy Tarreau71e34c12019-07-17 15:07:06 +02003161 switch (conn && conn_get_dst(conn) ? addr_to_str(conn->dst, pn, sizeof(pn)) : AF_UNSPEC) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003162 case AF_INET:
3163 case AF_INET6:
3164 chunk_appendf(&trash, " addr=%s:%d\n",
Willy Tarreau71e34c12019-07-17 15:07:06 +02003165 pn, get_host_port(conn->dst));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003166 break;
3167 case AF_UNIX:
3168 chunk_appendf(&trash, " addr=unix\n");
3169 break;
3170 default:
3171 /* no more information to print right now */
3172 chunk_appendf(&trash, "\n");
3173 break;
3174 }
3175
3176 chunk_appendf(&trash,
Willy Tarreau2e9c1d22019-04-24 08:28:31 +02003177 " task=%p (state=0x%02x nice=%d calls=%u rate=%u exp=%s tmask=0x%lx%s",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003178 strm->task,
3179 strm->task->state,
Willy Tarreau2e9c1d22019-04-24 08:28:31 +02003180 strm->task->nice, strm->task->calls, read_freq_ctr(&strm->call_rate),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003181 strm->task->expire ?
3182 tick_is_expired(strm->task->expire, now_ms) ? "<PAST>" :
3183 human_time(TICKS_TO_MS(strm->task->expire - now_ms),
3184 TICKS_TO_MS(1000)) : "<NEVER>",
Christopher Fauletf0205062017-11-15 20:56:43 +01003185 strm->task->thread_mask,
William Lallemand4c5b4d52016-11-21 08:51:11 +01003186 task_in_rq(strm->task) ? ", running" : "");
3187
3188 chunk_appendf(&trash,
3189 " age=%s)\n",
3190 human_time(now.tv_sec - strm->logs.accept_date.tv_sec, 1));
3191
3192 if (strm->txn)
3193 chunk_appendf(&trash,
Christopher Fauletbcac7862019-07-17 10:46:50 +02003194 " txn=%p flags=0x%x meth=%d status=%d req.st=%s rsp.st=%s req.f=0x%02x rsp.f=0x%02x\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003195 strm->txn, strm->txn->flags, strm->txn->meth, strm->txn->status,
Willy Tarreau7778b592019-01-07 10:38:10 +01003196 h1_msg_state_str(strm->txn->req.msg_state), h1_msg_state_str(strm->txn->rsp.msg_state),
Christopher Fauletbcac7862019-07-17 10:46:50 +02003197 strm->txn->req.flags, strm->txn->rsp.flags);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003198
3199 chunk_appendf(&trash,
Christopher Faulet224a2d72019-01-04 15:06:13 +01003200 " si[0]=%p (state=%s flags=0x%02x endp0=%s:%p exp=%s et=0x%03x sub=%d)\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003201 &strm->si[0],
3202 si_state_str(strm->si[0].state),
3203 strm->si[0].flags,
3204 obj_type_name(strm->si[0].end),
3205 obj_base_ptr(strm->si[0].end),
3206 strm->si[0].exp ?
3207 tick_is_expired(strm->si[0].exp, now_ms) ? "<PAST>" :
3208 human_time(TICKS_TO_MS(strm->si[0].exp - now_ms),
3209 TICKS_TO_MS(1000)) : "<NEVER>",
Christopher Faulet224a2d72019-01-04 15:06:13 +01003210 strm->si[0].err_type, strm->si[0].wait_event.events);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003211
3212 chunk_appendf(&trash,
Christopher Faulet224a2d72019-01-04 15:06:13 +01003213 " si[1]=%p (state=%s flags=0x%02x endp1=%s:%p exp=%s et=0x%03x sub=%d)\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003214 &strm->si[1],
3215 si_state_str(strm->si[1].state),
3216 strm->si[1].flags,
3217 obj_type_name(strm->si[1].end),
3218 obj_base_ptr(strm->si[1].end),
3219 strm->si[1].exp ?
3220 tick_is_expired(strm->si[1].exp, now_ms) ? "<PAST>" :
3221 human_time(TICKS_TO_MS(strm->si[1].exp - now_ms),
3222 TICKS_TO_MS(1000)) : "<NEVER>",
Christopher Faulet224a2d72019-01-04 15:06:13 +01003223 strm->si[1].err_type, strm->si[1].wait_event.events);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003224
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003225 if ((cs = objt_cs(strm->si[0].end)) != NULL) {
3226 conn = cs->conn;
3227
William Lallemand4c5b4d52016-11-21 08:51:11 +01003228 chunk_appendf(&trash,
Willy Tarreau53a47662017-08-28 10:53:00 +02003229 " co0=%p ctrl=%s xprt=%s mux=%s data=%s target=%s:%p\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003230 conn,
3231 conn_get_ctrl_name(conn),
3232 conn_get_xprt_name(conn),
Willy Tarreau53a47662017-08-28 10:53:00 +02003233 conn_get_mux_name(conn),
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003234 cs_get_data_name(cs),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003235 obj_type_name(conn->target),
3236 obj_base_ptr(conn->target));
3237
3238 chunk_appendf(&trash,
Willy Tarreau76913d32019-08-30 14:33:11 +02003239 " flags=0x%08x fd=%d fd.state=%02x updt=%d fd.tmask=0x%lx\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003240 conn->flags,
Willy Tarreau585744b2017-08-24 14:31:19 +02003241 conn->handle.fd,
3242 conn->handle.fd >= 0 ? fdtab[conn->handle.fd].state : 0,
Willy Tarreauebc78d72018-01-20 23:53:50 +01003243 conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0,
Christopher Fauletf0205062017-11-15 20:56:43 +01003244 conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0);
Willy Tarreaufb3b1b02018-12-18 14:28:24 +01003245
3246 chunk_appendf(&trash, " cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003247 }
3248 else if ((tmpctx = objt_appctx(strm->si[0].end)) != NULL) {
3249 chunk_appendf(&trash,
Willy Tarreau22d63a22019-04-24 08:41:29 +02003250 " app0=%p st0=%d st1=%d st2=%d applet=%s tmask=0x%lx nice=%d calls=%u rate=%u cpu=%llu lat=%llu\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003251 tmpctx,
3252 tmpctx->st0,
3253 tmpctx->st1,
3254 tmpctx->st2,
Christopher Fauletf0205062017-11-15 20:56:43 +01003255 tmpctx->applet->name,
Willy Tarreau34b1fac2018-05-31 14:40:19 +02003256 tmpctx->thread_mask,
Willy Tarreau22d63a22019-04-24 08:41:29 +02003257 tmpctx->t->nice, tmpctx->t->calls, read_freq_ctr(&tmpctx->call_rate),
Willy Tarreau9efd7452018-05-31 14:48:54 +02003258 (unsigned long long)tmpctx->t->cpu_time, (unsigned long long)tmpctx->t->lat_time);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003259 }
3260
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003261 if ((cs = objt_cs(strm->si[1].end)) != NULL) {
3262 conn = cs->conn;
3263
William Lallemand4c5b4d52016-11-21 08:51:11 +01003264 chunk_appendf(&trash,
Willy Tarreau53a47662017-08-28 10:53:00 +02003265 " co1=%p ctrl=%s xprt=%s mux=%s data=%s target=%s:%p\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003266 conn,
3267 conn_get_ctrl_name(conn),
3268 conn_get_xprt_name(conn),
Willy Tarreau53a47662017-08-28 10:53:00 +02003269 conn_get_mux_name(conn),
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003270 cs_get_data_name(cs),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003271 obj_type_name(conn->target),
3272 obj_base_ptr(conn->target));
3273
3274 chunk_appendf(&trash,
Willy Tarreau76913d32019-08-30 14:33:11 +02003275 " flags=0x%08x fd=%d fd.state=%02x updt=%d fd.tmask=0x%lx\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003276 conn->flags,
Willy Tarreau585744b2017-08-24 14:31:19 +02003277 conn->handle.fd,
3278 conn->handle.fd >= 0 ? fdtab[conn->handle.fd].state : 0,
Willy Tarreauebc78d72018-01-20 23:53:50 +01003279 conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0,
Christopher Fauletf0205062017-11-15 20:56:43 +01003280 conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0);
Willy Tarreaufb3b1b02018-12-18 14:28:24 +01003281
3282 chunk_appendf(&trash, " cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003283 }
3284 else if ((tmpctx = objt_appctx(strm->si[1].end)) != NULL) {
3285 chunk_appendf(&trash,
Willy Tarreau22d63a22019-04-24 08:41:29 +02003286 " app1=%p st0=%d st1=%d st2=%d applet=%s tmask=0x%lx nice=%d calls=%u rate=%u cpu=%llu lat=%llu\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003287 tmpctx,
3288 tmpctx->st0,
3289 tmpctx->st1,
3290 tmpctx->st2,
Christopher Fauletf0205062017-11-15 20:56:43 +01003291 tmpctx->applet->name,
Willy Tarreau34b1fac2018-05-31 14:40:19 +02003292 tmpctx->thread_mask,
Willy Tarreau22d63a22019-04-24 08:41:29 +02003293 tmpctx->t->nice, tmpctx->t->calls, read_freq_ctr(&tmpctx->call_rate),
Willy Tarreau9efd7452018-05-31 14:48:54 +02003294 (unsigned long long)tmpctx->t->cpu_time, (unsigned long long)tmpctx->t->lat_time);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003295 }
3296
3297 chunk_appendf(&trash,
3298 " req=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
3299 " an_exp=%s",
3300 &strm->req,
3301 strm->req.flags, strm->req.analysers,
3302 strm->req.pipe ? strm->req.pipe->data : 0,
3303 strm->req.to_forward, strm->req.total,
3304 strm->req.analyse_exp ?
3305 human_time(TICKS_TO_MS(strm->req.analyse_exp - now_ms),
3306 TICKS_TO_MS(1000)) : "<NEVER>");
3307
3308 chunk_appendf(&trash,
3309 " rex=%s",
3310 strm->req.rex ?
3311 human_time(TICKS_TO_MS(strm->req.rex - now_ms),
3312 TICKS_TO_MS(1000)) : "<NEVER>");
3313
3314 chunk_appendf(&trash,
3315 " wex=%s\n"
Christopher Fauletbcac7862019-07-17 10:46:50 +02003316 " buf=%p data=%p o=%u p=%u i=%u size=%u\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003317 strm->req.wex ?
3318 human_time(TICKS_TO_MS(strm->req.wex - now_ms),
3319 TICKS_TO_MS(1000)) : "<NEVER>",
Willy Tarreauc9fa0482018-07-10 17:43:27 +02003320 &strm->req.buf,
3321 b_orig(&strm->req.buf), (unsigned int)co_data(&strm->req),
Christopher Fauletbcac7862019-07-17 10:46:50 +02003322 (unsigned int)ci_head_ofs(&strm->req), (unsigned int)ci_data(&strm->req),
Willy Tarreauc9fa0482018-07-10 17:43:27 +02003323 (unsigned int)strm->req.buf.size);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003324
Christopher Fauletb9af8812019-01-04 14:30:44 +01003325 if (IS_HTX_STRM(strm)) {
3326 struct htx *htx = htxbuf(&strm->req.buf);
3327
3328 chunk_appendf(&trash,
Willy Tarreaub84e67f2019-01-07 10:01:34 +01003329 " htx=%p flags=0x%x size=%u data=%u used=%u wrap=%s extra=%llu\n",
Christopher Faulet192c6a22019-06-11 16:32:24 +02003330 htx, htx->flags, htx->size, htx->data, htx_nbblks(htx),
Christopher Faulet28f29c72019-04-30 17:55:45 +02003331 (htx->tail >= htx->head) ? "NO" : "YES",
Christopher Fauletb9af8812019-01-04 14:30:44 +01003332 (unsigned long long)htx->extra);
3333 }
3334
William Lallemand4c5b4d52016-11-21 08:51:11 +01003335 chunk_appendf(&trash,
3336 " res=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
3337 " an_exp=%s",
3338 &strm->res,
3339 strm->res.flags, strm->res.analysers,
3340 strm->res.pipe ? strm->res.pipe->data : 0,
3341 strm->res.to_forward, strm->res.total,
3342 strm->res.analyse_exp ?
3343 human_time(TICKS_TO_MS(strm->res.analyse_exp - now_ms),
3344 TICKS_TO_MS(1000)) : "<NEVER>");
3345
3346 chunk_appendf(&trash,
3347 " rex=%s",
3348 strm->res.rex ?
3349 human_time(TICKS_TO_MS(strm->res.rex - now_ms),
3350 TICKS_TO_MS(1000)) : "<NEVER>");
3351
3352 chunk_appendf(&trash,
3353 " wex=%s\n"
Christopher Fauletbcac7862019-07-17 10:46:50 +02003354 " buf=%p data=%p o=%u p=%u i=%u size=%u\n",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003355 strm->res.wex ?
3356 human_time(TICKS_TO_MS(strm->res.wex - now_ms),
3357 TICKS_TO_MS(1000)) : "<NEVER>",
Willy Tarreauc9fa0482018-07-10 17:43:27 +02003358 &strm->res.buf,
3359 b_orig(&strm->res.buf), (unsigned int)co_data(&strm->res),
Christopher Fauletbcac7862019-07-17 10:46:50 +02003360 (unsigned int)ci_head_ofs(&strm->res), (unsigned int)ci_data(&strm->res),
Willy Tarreauc9fa0482018-07-10 17:43:27 +02003361 (unsigned int)strm->res.buf.size);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003362
Christopher Fauletb9af8812019-01-04 14:30:44 +01003363 if (IS_HTX_STRM(strm)) {
3364 struct htx *htx = htxbuf(&strm->res.buf);
3365
3366 chunk_appendf(&trash,
3367 " htx=%p flags=0x%x size=%u data=%u used=%u wrap=%s extra=%llu\n",
Christopher Faulet192c6a22019-06-11 16:32:24 +02003368 htx, htx->flags, htx->size, htx->data, htx_nbblks(htx),
Christopher Faulet28f29c72019-04-30 17:55:45 +02003369 (htx->tail >= htx->head) ? "NO" : "YES",
Christopher Fauletb9af8812019-01-04 14:30:44 +01003370 (unsigned long long)htx->extra);
3371 }
3372
Willy Tarreaue6e52362019-01-04 17:42:57 +01003373 if (ci_putchk(si_ic(si), &trash) == -1)
3374 goto full;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003375
3376 /* use other states to dump the contents */
3377 }
3378 /* end of dump */
Willy Tarreaue6e52362019-01-04 17:42:57 +01003379 done:
William Lallemand4c5b4d52016-11-21 08:51:11 +01003380 appctx->ctx.sess.uid = 0;
3381 appctx->ctx.sess.section = 0;
3382 return 1;
Willy Tarreaue6e52362019-01-04 17:42:57 +01003383 full:
3384 return 0;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003385}
3386
3387
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02003388static int cli_parse_show_sess(char **args, char *payload, struct appctx *appctx, void *private)
William Lallemand4c5b4d52016-11-21 08:51:11 +01003389{
William Lallemand4c5b4d52016-11-21 08:51:11 +01003390 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
3391 return 1;
3392
3393 if (*args[2] && strcmp(args[2], "all") == 0)
3394 appctx->ctx.sess.target = (void *)-1;
3395 else if (*args[2])
3396 appctx->ctx.sess.target = (void *)strtoul(args[2], NULL, 0);
3397 else
3398 appctx->ctx.sess.target = NULL;
3399 appctx->ctx.sess.section = 0; /* start with stream status */
3400 appctx->ctx.sess.pos = 0;
Willy Tarreaua698eb62021-02-24 10:37:01 +01003401 appctx->ctx.sess.thr = 0;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003402
Willy Tarreaub9813182021-02-24 11:29:51 +01003403 /* let's set our own stream's epoch to the current one and increment
3404 * it so that we know which streams were already there before us.
3405 */
Willy Tarreau18515722021-04-06 11:57:41 +02003406 si_strm(appctx->owner)->stream_epoch = _HA_ATOMIC_FETCH_ADD(&stream_epoch, 1);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003407 return 0;
3408}
3409
3410/* This function dumps all streams' states onto the stream interface's
3411 * read buffer. It returns 0 if the output buffer is full and it needs
Willy Tarreaue6e52362019-01-04 17:42:57 +01003412 * to be called again, otherwise non-zero. It proceeds in an isolated
3413 * thread so there is no thread safety issue here.
William Lallemand4c5b4d52016-11-21 08:51:11 +01003414 */
3415static int cli_io_handler_dump_sess(struct appctx *appctx)
3416{
3417 struct stream_interface *si = appctx->owner;
3418 struct connection *conn;
3419
Willy Tarreaue6e52362019-01-04 17:42:57 +01003420 thread_isolate();
3421
William Lallemand4c5b4d52016-11-21 08:51:11 +01003422 if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) {
3423 /* If we're forced to shut down, we might have to remove our
3424 * reference to the last stream being dumped.
3425 */
3426 if (appctx->st2 == STAT_ST_LIST) {
3427 if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
Willy Tarreau2b718102021-04-21 07:32:39 +02003428 LIST_DELETE(&appctx->ctx.sess.bref.users);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003429 LIST_INIT(&appctx->ctx.sess.bref.users);
3430 }
3431 }
Willy Tarreaue6e52362019-01-04 17:42:57 +01003432 goto done;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003433 }
3434
3435 chunk_reset(&trash);
3436
3437 switch (appctx->st2) {
3438 case STAT_ST_INIT:
3439 /* the function had not been called yet, let's prepare the
3440 * buffer for a response. We initialize the current stream
3441 * pointer to the first in the global list. When a target
3442 * stream is being destroyed, it is responsible for updating
3443 * this pointer. We know we have reached the end when this
3444 * pointer points back to the head of the streams list.
3445 */
3446 LIST_INIT(&appctx->ctx.sess.bref.users);
Willy Tarreaua698eb62021-02-24 10:37:01 +01003447 appctx->ctx.sess.bref.ref = ha_thread_info[appctx->ctx.sess.thr].streams.n;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003448 appctx->st2 = STAT_ST_LIST;
3449 /* fall through */
3450
3451 case STAT_ST_LIST:
3452 /* first, let's detach the back-ref from a possible previous stream */
3453 if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
Willy Tarreau2b718102021-04-21 07:32:39 +02003454 LIST_DELETE(&appctx->ctx.sess.bref.users);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003455 LIST_INIT(&appctx->ctx.sess.bref.users);
3456 }
3457
Willy Tarreau5d533e22021-02-24 11:53:17 +01003458 /* and start from where we stopped */
Willy Tarreaua698eb62021-02-24 10:37:01 +01003459 while (1) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003460 char pn[INET6_ADDRSTRLEN];
3461 struct stream *curr_strm;
Willy Tarreaua698eb62021-02-24 10:37:01 +01003462 int done= 0;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003463
Willy Tarreaua698eb62021-02-24 10:37:01 +01003464 if (appctx->ctx.sess.bref.ref == &ha_thread_info[appctx->ctx.sess.thr].streams)
3465 done = 1;
3466 else {
3467 /* check if we've found a stream created after issuing the "show sess" */
3468 curr_strm = LIST_ELEM(appctx->ctx.sess.bref.ref, struct stream *, list);
3469 if ((int)(curr_strm->stream_epoch - si_strm(appctx->owner)->stream_epoch) > 0)
3470 done = 1;
3471 }
William Lallemand4c5b4d52016-11-21 08:51:11 +01003472
Willy Tarreaua698eb62021-02-24 10:37:01 +01003473 if (done) {
3474 appctx->ctx.sess.thr++;
3475 if (appctx->ctx.sess.thr >= global.nbthread)
3476 break;
3477 appctx->ctx.sess.bref.ref = ha_thread_info[appctx->ctx.sess.thr].streams.n;
3478 continue;
3479 }
Willy Tarreau5d533e22021-02-24 11:53:17 +01003480
William Lallemand4c5b4d52016-11-21 08:51:11 +01003481 if (appctx->ctx.sess.target) {
3482 if (appctx->ctx.sess.target != (void *)-1 && appctx->ctx.sess.target != curr_strm)
3483 goto next_sess;
3484
Willy Tarreau2b718102021-04-21 07:32:39 +02003485 LIST_APPEND(&curr_strm->back_refs, &appctx->ctx.sess.bref.users);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003486 /* call the proper dump() function and return if we're missing space */
Willy Tarreaue6e52362019-01-04 17:42:57 +01003487 if (!stats_dump_full_strm_to_buffer(si, curr_strm))
3488 goto full;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003489
3490 /* stream dump complete */
Willy Tarreau2b718102021-04-21 07:32:39 +02003491 LIST_DELETE(&appctx->ctx.sess.bref.users);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003492 LIST_INIT(&appctx->ctx.sess.bref.users);
3493 if (appctx->ctx.sess.target != (void *)-1) {
3494 appctx->ctx.sess.target = NULL;
3495 break;
3496 }
3497 else
3498 goto next_sess;
3499 }
3500
3501 chunk_appendf(&trash,
3502 "%p: proto=%s",
3503 curr_strm,
Willy Tarreaub7436612020-08-28 19:51:44 +02003504 strm_li(curr_strm) ? strm_li(curr_strm)->rx.proto->name : "?");
William Lallemand4c5b4d52016-11-21 08:51:11 +01003505
3506 conn = objt_conn(strm_orig(curr_strm));
Willy Tarreau71e34c12019-07-17 15:07:06 +02003507 switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003508 case AF_INET:
3509 case AF_INET6:
3510 chunk_appendf(&trash,
3511 " src=%s:%d fe=%s be=%s srv=%s",
3512 pn,
Willy Tarreau71e34c12019-07-17 15:07:06 +02003513 get_host_port(conn->src),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003514 strm_fe(curr_strm)->id,
3515 (curr_strm->be->cap & PR_CAP_BE) ? curr_strm->be->id : "<NONE>",
Willy Tarreau66182592021-12-06 07:01:02 +00003516 objt_server(curr_strm->target) ? __objt_server(curr_strm->target)->id : "<none>"
William Lallemand4c5b4d52016-11-21 08:51:11 +01003517 );
3518 break;
3519 case AF_UNIX:
3520 chunk_appendf(&trash,
3521 " src=unix:%d fe=%s be=%s srv=%s",
3522 strm_li(curr_strm)->luid,
3523 strm_fe(curr_strm)->id,
3524 (curr_strm->be->cap & PR_CAP_BE) ? curr_strm->be->id : "<NONE>",
Willy Tarreau66182592021-12-06 07:01:02 +00003525 objt_server(curr_strm->target) ? __objt_server(curr_strm->target)->id : "<none>"
William Lallemand4c5b4d52016-11-21 08:51:11 +01003526 );
3527 break;
3528 }
3529
3530 chunk_appendf(&trash,
Willy Tarreaub9813182021-02-24 11:29:51 +01003531 " ts=%02x epoch=%#x age=%s calls=%u rate=%u cpu=%llu lat=%llu",
3532 curr_strm->task->state, curr_strm->stream_epoch,
William Lallemand4c5b4d52016-11-21 08:51:11 +01003533 human_time(now.tv_sec - curr_strm->logs.tv_accept.tv_sec, 1),
Willy Tarreau2e9c1d22019-04-24 08:28:31 +02003534 curr_strm->task->calls, read_freq_ctr(&curr_strm->call_rate),
Willy Tarreau9efd7452018-05-31 14:48:54 +02003535 (unsigned long long)curr_strm->task->cpu_time, (unsigned long long)curr_strm->task->lat_time);
William Lallemand4c5b4d52016-11-21 08:51:11 +01003536
3537 chunk_appendf(&trash,
Willy Tarreau506a29a2018-07-18 10:07:58 +02003538 " rq[f=%06xh,i=%u,an=%02xh,rx=%s",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003539 curr_strm->req.flags,
Willy Tarreau7e9c30a2018-06-15 19:24:46 +02003540 (unsigned int)ci_data(&curr_strm->req),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003541 curr_strm->req.analysers,
3542 curr_strm->req.rex ?
3543 human_time(TICKS_TO_MS(curr_strm->req.rex - now_ms),
3544 TICKS_TO_MS(1000)) : "");
3545
3546 chunk_appendf(&trash,
3547 ",wx=%s",
3548 curr_strm->req.wex ?
3549 human_time(TICKS_TO_MS(curr_strm->req.wex - now_ms),
3550 TICKS_TO_MS(1000)) : "");
3551
3552 chunk_appendf(&trash,
3553 ",ax=%s]",
3554 curr_strm->req.analyse_exp ?
3555 human_time(TICKS_TO_MS(curr_strm->req.analyse_exp - now_ms),
3556 TICKS_TO_MS(1000)) : "");
3557
3558 chunk_appendf(&trash,
Willy Tarreau506a29a2018-07-18 10:07:58 +02003559 " rp[f=%06xh,i=%u,an=%02xh,rx=%s",
William Lallemand4c5b4d52016-11-21 08:51:11 +01003560 curr_strm->res.flags,
Willy Tarreau7e9c30a2018-06-15 19:24:46 +02003561 (unsigned int)ci_data(&curr_strm->res),
William Lallemand4c5b4d52016-11-21 08:51:11 +01003562 curr_strm->res.analysers,
3563 curr_strm->res.rex ?
3564 human_time(TICKS_TO_MS(curr_strm->res.rex - now_ms),
3565 TICKS_TO_MS(1000)) : "");
3566
3567 chunk_appendf(&trash,
3568 ",wx=%s",
3569 curr_strm->res.wex ?
3570 human_time(TICKS_TO_MS(curr_strm->res.wex - now_ms),
3571 TICKS_TO_MS(1000)) : "");
3572
3573 chunk_appendf(&trash,
3574 ",ax=%s]",
3575 curr_strm->res.analyse_exp ?
3576 human_time(TICKS_TO_MS(curr_strm->res.analyse_exp - now_ms),
3577 TICKS_TO_MS(1000)) : "");
3578
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003579 conn = cs_conn(objt_cs(curr_strm->si[0].end));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003580 chunk_appendf(&trash,
3581 " s0=[%d,%1xh,fd=%d,ex=%s]",
3582 curr_strm->si[0].state,
3583 curr_strm->si[0].flags,
Willy Tarreau585744b2017-08-24 14:31:19 +02003584 conn ? conn->handle.fd : -1,
William Lallemand4c5b4d52016-11-21 08:51:11 +01003585 curr_strm->si[0].exp ?
3586 human_time(TICKS_TO_MS(curr_strm->si[0].exp - now_ms),
3587 TICKS_TO_MS(1000)) : "");
3588
Olivier Houchard9aaf7782017-09-13 18:30:23 +02003589 conn = cs_conn(objt_cs(curr_strm->si[1].end));
William Lallemand4c5b4d52016-11-21 08:51:11 +01003590 chunk_appendf(&trash,
3591 " s1=[%d,%1xh,fd=%d,ex=%s]",
3592 curr_strm->si[1].state,
3593 curr_strm->si[1].flags,
Willy Tarreau585744b2017-08-24 14:31:19 +02003594 conn ? conn->handle.fd : -1,
William Lallemand4c5b4d52016-11-21 08:51:11 +01003595 curr_strm->si[1].exp ?
3596 human_time(TICKS_TO_MS(curr_strm->si[1].exp - now_ms),
3597 TICKS_TO_MS(1000)) : "");
3598
3599 chunk_appendf(&trash,
3600 " exp=%s",
3601 curr_strm->task->expire ?
3602 human_time(TICKS_TO_MS(curr_strm->task->expire - now_ms),
3603 TICKS_TO_MS(1000)) : "");
3604 if (task_in_rq(curr_strm->task))
3605 chunk_appendf(&trash, " run(nice=%d)", curr_strm->task->nice);
3606
3607 chunk_appendf(&trash, "\n");
3608
Willy Tarreau06d80a92017-10-19 14:32:15 +02003609 if (ci_putchk(si_ic(si), &trash) == -1) {
William Lallemand4c5b4d52016-11-21 08:51:11 +01003610 /* let's try again later from this stream. We add ourselves into
3611 * this stream's users so that it can remove us upon termination.
3612 */
Willy Tarreau2b718102021-04-21 07:32:39 +02003613 LIST_APPEND(&curr_strm->back_refs, &appctx->ctx.sess.bref.users);
Willy Tarreaue6e52362019-01-04 17:42:57 +01003614 goto full;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003615 }
3616
3617 next_sess:
3618 appctx->ctx.sess.bref.ref = curr_strm->list.n;
3619 }
3620
3621 if (appctx->ctx.sess.target && appctx->ctx.sess.target != (void *)-1) {
3622 /* specified stream not found */
3623 if (appctx->ctx.sess.section > 0)
3624 chunk_appendf(&trash, " *** session terminated while we were watching it ***\n");
3625 else
3626 chunk_appendf(&trash, "Session not found.\n");
3627
Willy Tarreaue6e52362019-01-04 17:42:57 +01003628 if (ci_putchk(si_ic(si), &trash) == -1)
3629 goto full;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003630
3631 appctx->ctx.sess.target = NULL;
3632 appctx->ctx.sess.uid = 0;
Willy Tarreaue6e52362019-01-04 17:42:57 +01003633 goto done;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003634 }
William Lallemand4c5b4d52016-11-21 08:51:11 +01003635 /* fall through */
3636
3637 default:
3638 appctx->st2 = STAT_ST_FIN;
Willy Tarreaue6e52362019-01-04 17:42:57 +01003639 goto done;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003640 }
Willy Tarreaue6e52362019-01-04 17:42:57 +01003641 done:
3642 thread_release();
3643 return 1;
3644 full:
3645 thread_release();
3646 si_rx_room_blk(si);
3647 return 0;
William Lallemand4c5b4d52016-11-21 08:51:11 +01003648}
3649
3650static void cli_release_show_sess(struct appctx *appctx)
3651{
Willy Tarreaua698eb62021-02-24 10:37:01 +01003652 if (appctx->st2 == STAT_ST_LIST && appctx->ctx.sess.thr < global.nbthread) {
Willy Tarreau49de6852021-02-24 13:46:12 +01003653 /* a dump was aborted, either in error or timeout. We need to
3654 * safely detach from the target stream's list. It's mandatory
3655 * to lock because a stream on the target thread could be moving
3656 * our node.
3657 */
3658 thread_isolate();
William Lallemand4c5b4d52016-11-21 08:51:11 +01003659 if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users))
Willy Tarreau2b718102021-04-21 07:32:39 +02003660 LIST_DELETE(&appctx->ctx.sess.bref.users);
Willy Tarreau49de6852021-02-24 13:46:12 +01003661 thread_release();
William Lallemand4c5b4d52016-11-21 08:51:11 +01003662 }
3663}
3664
Willy Tarreau61b65212016-11-24 11:09:25 +01003665/* Parses the "shutdown session" directive, it always returns 1 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02003666static int cli_parse_shutdown_session(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau61b65212016-11-24 11:09:25 +01003667{
3668 struct stream *strm, *ptr;
Willy Tarreaua698eb62021-02-24 10:37:01 +01003669 int thr;
Willy Tarreau61b65212016-11-24 11:09:25 +01003670
3671 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
3672 return 1;
3673
Willy Tarreau0e9a1282022-03-31 14:49:45 +02003674 ptr = (void *)strtoul(args[2], NULL, 0);
3675 if (!ptr)
Willy Tarreau9d008692019-08-09 11:21:01 +02003676 return cli_err(appctx, "Session pointer expected (use 'show sess').\n");
Willy Tarreau61b65212016-11-24 11:09:25 +01003677
Willy Tarreaua698eb62021-02-24 10:37:01 +01003678 strm = NULL;
Willy Tarreau61b65212016-11-24 11:09:25 +01003679
Willy Tarreau3f5dd292021-02-24 11:11:06 +01003680 thread_isolate();
3681
Willy Tarreau61b65212016-11-24 11:09:25 +01003682 /* first, look for the requested stream in the stream table */
Willy Tarreau0e9a1282022-03-31 14:49:45 +02003683 for (thr = 0; strm != ptr && thr < global.nbthread; thr++) {
Willy Tarreaua698eb62021-02-24 10:37:01 +01003684 list_for_each_entry(strm, &ha_thread_info[thr].streams, list) {
3685 if (strm == ptr) {
3686 stream_shutdown(strm, SF_ERR_KILLED);
3687 break;
3688 }
Willy Tarreau3f5dd292021-02-24 11:11:06 +01003689 }
Willy Tarreau61b65212016-11-24 11:09:25 +01003690 }
3691
Willy Tarreau3f5dd292021-02-24 11:11:06 +01003692 thread_release();
3693
Willy Tarreau61b65212016-11-24 11:09:25 +01003694 /* do we have the stream ? */
Willy Tarreau0e9a1282022-03-31 14:49:45 +02003695 if (strm != ptr)
Willy Tarreau9d008692019-08-09 11:21:01 +02003696 return cli_err(appctx, "No such session (use 'show sess').\n");
Willy Tarreau61b65212016-11-24 11:09:25 +01003697
Willy Tarreau61b65212016-11-24 11:09:25 +01003698 return 1;
3699}
3700
Willy Tarreau4e46b622016-11-23 16:50:48 +01003701/* Parses the "shutdown session server" directive, it always returns 1 */
Aurélien Nephtaliabbf6072018-04-18 13:26:46 +02003702static int cli_parse_shutdown_sessions_server(char **args, char *payload, struct appctx *appctx, void *private)
Willy Tarreau4e46b622016-11-23 16:50:48 +01003703{
3704 struct server *sv;
Willy Tarreau4e46b622016-11-23 16:50:48 +01003705
3706 if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
3707 return 1;
3708
3709 sv = cli_find_server(appctx, args[3]);
3710 if (!sv)
3711 return 1;
3712
3713 /* kill all the stream that are on this server */
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003714 HA_SPIN_LOCK(SERVER_LOCK, &sv->lock);
Willy Tarreaud9e26a72019-11-14 16:37:16 +01003715 srv_shutdown_streams(sv, SF_ERR_KILLED);
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003716 HA_SPIN_UNLOCK(SERVER_LOCK, &sv->lock);
Willy Tarreau4e46b622016-11-23 16:50:48 +01003717 return 1;
3718}
3719
William Lallemand4c5b4d52016-11-21 08:51:11 +01003720/* register cli keywords */
3721static struct cli_kw_list cli_kws = {{ },{
Willy Tarreaub205bfd2021-05-07 11:38:37 +02003722 { { "show", "sess", NULL }, "show sess [id] : report the list of current sessions or dump this exact session", cli_parse_show_sess, cli_io_handler_dump_sess, cli_release_show_sess },
3723 { { "shutdown", "session", NULL }, "shutdown session [id] : kill a specific session", cli_parse_shutdown_session, NULL, NULL },
3724 { { "shutdown", "sessions", "server" }, "shutdown sessions server <bk>/<srv> : kill sessions on a server", cli_parse_shutdown_sessions_server, NULL, NULL },
William Lallemand4c5b4d52016-11-21 08:51:11 +01003725 {{},}
3726}};
3727
Willy Tarreau0108d902018-11-25 19:14:37 +01003728INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
3729
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02003730/* main configuration keyword registration. */
3731static struct action_kw_list stream_tcp_keywords = { ILH, {
Christopher Fauletae863c62021-03-15 12:03:44 +01003732 { "switch-mode", stream_parse_switch_mode },
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02003733 { "use-service", stream_parse_use_service },
3734 { /* END */ }
3735}};
3736
Willy Tarreau0108d902018-11-25 19:14:37 +01003737INITCALL1(STG_REGISTER, tcp_req_cont_keywords_register, &stream_tcp_keywords);
3738
Thierry FOURNIER5a363e72015-09-27 19:29:33 +02003739static struct action_kw_list stream_http_keywords = { ILH, {
3740 { "use-service", stream_parse_use_service },
3741 { /* END */ }
3742}};
3743
Willy Tarreau0108d902018-11-25 19:14:37 +01003744INITCALL1(STG_REGISTER, http_req_keywords_register, &stream_http_keywords);
Willy Tarreau8b22a712010-06-18 17:46:06 +02003745
Amaury Denoyellef7719a22020-12-10 13:43:58 +01003746static int smp_fetch_cur_server_timeout(const struct arg *args, struct sample *smp, const char *km, void *private)
3747{
3748 smp->flags = SMP_F_VOL_TXN;
3749 smp->data.type = SMP_T_SINT;
3750 if (!smp->strm)
3751 return 0;
3752
3753 smp->data.u.sint = TICKS_TO_MS(smp->strm->res.rto);
3754 return 1;
3755}
3756
3757static int smp_fetch_cur_tunnel_timeout(const struct arg *args, struct sample *smp, const char *km, void *private)
3758{
3759 smp->flags = SMP_F_VOL_TXN;
3760 smp->data.type = SMP_T_SINT;
3761 if (!smp->strm)
3762 return 0;
3763
3764 smp->data.u.sint = TICKS_TO_MS(smp->strm->tunnel_timeout);
3765 return 1;
3766}
3767
Amaury Denoyelle12bada52020-12-10 13:43:57 +01003768/* Note: must not be declared <const> as its list will be overwritten.
3769 * Please take care of keeping this list alphabetically sorted.
3770 */
3771static struct sample_fetch_kw_list smp_kws = {ILH, {
Amaury Denoyellef7719a22020-12-10 13:43:58 +01003772 { "cur_server_timeout", smp_fetch_cur_server_timeout, 0, NULL, SMP_T_SINT, SMP_USE_BKEND, },
3773 { "cur_tunnel_timeout", smp_fetch_cur_tunnel_timeout, 0, NULL, SMP_T_SINT, SMP_USE_BKEND, },
Amaury Denoyelle12bada52020-12-10 13:43:57 +01003774 { NULL, NULL, 0, 0, 0 },
3775}};
3776
3777INITCALL1(STG_REGISTER, sample_register_fetches, &smp_kws);
3778
Willy Tarreaubaaee002006-06-26 02:48:02 +02003779/*
3780 * Local variables:
3781 * c-indent-level: 8
3782 * c-basic-offset: 8
3783 * End:
3784 */