Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2 | * Stream management functions. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3 | * |
Willy Tarreau | d28c353 | 2012-04-19 19:28:33 +0200 | [diff] [blame] | 4 | * Copyright 2000-2012 Willy Tarreau <w@1wt.eu> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <stdlib.h> |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 14 | #include <unistd.h> |
| 15 | #include <fcntl.h> |
Willy Tarreau | e3ba5f0 | 2006-06-29 18:54:54 +0200 | [diff] [blame] | 16 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 17 | #include <common/cfgparse.h> |
Willy Tarreau | e3ba5f0 | 2006-06-29 18:54:54 +0200 | [diff] [blame] | 18 | #include <common/config.h> |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 19 | #include <common/buffer.h> |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 20 | #include <common/debug.h> |
Christopher Faulet | 8d8aa0d | 2017-05-30 15:36:50 +0200 | [diff] [blame] | 21 | #include <common/hathreads.h> |
Willy Tarreau | b96b77e | 2018-12-11 10:22:41 +0100 | [diff] [blame] | 22 | #include <common/htx.h> |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 23 | #include <common/initcall.h> |
| 24 | #include <common/memory.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 25 | |
Willy Tarreau | 8a8d83b | 2015-04-13 13:24:54 +0200 | [diff] [blame] | 26 | #include <types/applet.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 27 | #include <types/capture.h> |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 28 | #include <types/cli.h> |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 29 | #include <types/filters.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 30 | #include <types/global.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 31 | #include <types/stats.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 32 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 33 | #include <proto/acl.h> |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 34 | #include <proto/action.h> |
Willy Tarreau | 609aad9 | 2018-11-22 08:31:09 +0100 | [diff] [blame] | 35 | #include <proto/activity.h> |
Willy Tarreau | 61612d4 | 2012-04-19 18:42:05 +0200 | [diff] [blame] | 36 | #include <proto/arg.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 37 | #include <proto/backend.h> |
Willy Tarreau | c7e4238 | 2012-08-24 19:22:53 +0200 | [diff] [blame] | 38 | #include <proto/channel.h> |
Krzysztof Piotr Oledzki | 97f07b8 | 2009-12-15 22:31:24 +0100 | [diff] [blame] | 39 | #include <proto/checks.h> |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 40 | #include <proto/cli.h> |
Willy Tarreau | d2274c6 | 2012-07-06 14:29:45 +0200 | [diff] [blame] | 41 | #include <proto/connection.h> |
Frédéric Lécaille | 03cdf55 | 2019-05-20 10:08:27 +0200 | [diff] [blame] | 42 | #include <proto/dict.h> |
Baptiste Assmann | 333939c | 2019-01-21 08:34:50 +0100 | [diff] [blame] | 43 | #include <proto/dns.h> |
William Lallemand | 9ed6203 | 2016-11-21 17:49:11 +0100 | [diff] [blame] | 44 | #include <proto/stats.h> |
Willy Tarreau | dd2f85e | 2012-09-02 22:34:23 +0200 | [diff] [blame] | 45 | #include <proto/fd.h> |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 46 | #include <proto/filters.h> |
Willy Tarreau | 91c43d7 | 2010-06-20 11:19:22 +0200 | [diff] [blame] | 47 | #include <proto/freq_ctr.h> |
Willy Tarreau | 3041b9f | 2010-10-15 23:25:20 +0200 | [diff] [blame] | 48 | #include <proto/frontend.h> |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 49 | #include <proto/hlua.h> |
Willy Tarreau | 61c112a | 2018-10-02 16:43:32 +0200 | [diff] [blame] | 50 | #include <proto/http_rules.h> |
Willy Tarreau | d1d5454 | 2012-09-12 22:58:11 +0200 | [diff] [blame] | 51 | #include <proto/listener.h> |
Willy Tarreau | 332f8bf | 2007-05-13 21:36:56 +0200 | [diff] [blame] | 52 | #include <proto/log.h> |
Willy Tarreau | cbaaec4 | 2012-09-06 11:32:07 +0200 | [diff] [blame] | 53 | #include <proto/raw_sock.h> |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 54 | #include <proto/session.h> |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 55 | #include <proto/stream.h> |
Willy Tarreau | 3eba98a | 2009-01-25 13:56:13 +0100 | [diff] [blame] | 56 | #include <proto/pipe.h> |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 57 | #include <proto/http_ana.h> |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 58 | #include <proto/proxy.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 59 | #include <proto/queue.h> |
Willy Tarreau | 7f062c4 | 2009-03-05 18:43:00 +0100 | [diff] [blame] | 60 | #include <proto/server.h> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 61 | #include <proto/sample.h> |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 62 | #include <proto/stick_table.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 63 | #include <proto/stream_interface.h> |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 64 | #include <proto/task.h> |
Willy Tarreau | 3971310 | 2016-11-25 15:49:32 +0100 | [diff] [blame] | 65 | #include <proto/tcp_rules.h> |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 66 | #include <proto/vars.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 67 | |
Willy Tarreau | 8ceae72 | 2018-11-26 11:58:30 +0100 | [diff] [blame] | 68 | DECLARE_POOL(pool_head_stream, "stream", sizeof(struct stream)); |
| 69 | |
Willy Tarreau | b6b3df3 | 2018-11-26 16:31:20 +0100 | [diff] [blame] | 70 | struct list streams = LIST_HEAD_INIT(streams); |
Willy Tarreau | 86abe44 | 2018-11-25 20:12:18 +0100 | [diff] [blame] | 71 | __decl_spinlock(streams_lock); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 72 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 73 | /* List of all use-service keywords. */ |
| 74 | static struct list service_keywords = LIST_HEAD_INIT(service_keywords); |
| 75 | |
Willy Tarreau | 5790eb0 | 2017-08-28 17:18:36 +0200 | [diff] [blame] | 76 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 77 | /* trace source and events */ |
| 78 | static void strm_trace(enum trace_level level, uint64_t mask, |
| 79 | const struct trace_source *src, |
| 80 | const struct ist where, const struct ist func, |
| 81 | const void *a1, const void *a2, const void *a3, const void *a4); |
| 82 | |
| 83 | /* The event representation is split like this : |
| 84 | * strm - stream |
| 85 | * si - stream interface |
| 86 | * http - http analyzis |
| 87 | * tcp - tcp analyzis |
| 88 | * |
| 89 | * STRM_EV_* macros are defined in <proto/stream.h> |
| 90 | */ |
| 91 | static const struct trace_event strm_trace_events[] = { |
| 92 | { .mask = STRM_EV_STRM_NEW, .name = "strm_new", .desc = "new stream" }, |
| 93 | { .mask = STRM_EV_STRM_FREE, .name = "strm_free", .desc = "release stream" }, |
| 94 | { .mask = STRM_EV_STRM_ERR, .name = "strm_err", .desc = "error during stream processing" }, |
| 95 | { .mask = STRM_EV_STRM_ANA, .name = "strm_ana", .desc = "stream analyzers" }, |
| 96 | { .mask = STRM_EV_STRM_PROC, .name = "strm_proc", .desc = "stream processing" }, |
| 97 | |
| 98 | { .mask = STRM_EV_SI_ST, .name = "si_state", .desc = "processing stream-interface states" }, |
| 99 | |
| 100 | { .mask = STRM_EV_HTTP_ANA, .name = "http_ana", .desc = "HTTP analyzers" }, |
| 101 | { .mask = STRM_EV_HTTP_ERR, .name = "http_err", .desc = "error during HTTP analyzis" }, |
| 102 | |
| 103 | { .mask = STRM_EV_TCP_ANA, .name = "tcp_ana", .desc = "TCP analyzers" }, |
| 104 | { .mask = STRM_EV_TCP_ERR, .name = "tcp_err", .desc = "error during TCP analyzis" }, |
| 105 | {} |
| 106 | }; |
| 107 | |
| 108 | static const struct name_desc strm_trace_lockon_args[4] = { |
| 109 | /* arg1 */ { /* already used by the stream */ }, |
| 110 | /* arg2 */ { }, |
| 111 | /* arg3 */ { }, |
| 112 | /* arg4 */ { } |
| 113 | }; |
| 114 | |
| 115 | static 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 | |
| 129 | struct 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 |
| 141 | INITCALL1(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 | */ |
| 147 | static 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")); |
| 172 | if (s->unique_id) |
| 173 | chunk_appendf(&trace_buf, " id=%s", s->unique_id); |
| 174 | |
| 175 | /* Front and back stream-int state */ |
| 176 | chunk_appendf(&trace_buf, " SI=(%s,%s)", |
| 177 | si_state_str(si_f->state), si_state_str(si_b->state)); |
| 178 | |
| 179 | /* If txn is defined, HTTP req/rep states */ |
| 180 | if (txn) |
| 181 | chunk_appendf(&trace_buf, " HTTP=(%s,%s)", |
| 182 | h1_msg_state_str(txn->req.msg_state), h1_msg_state_str(txn->rsp.msg_state)); |
| 183 | if (msg) |
| 184 | chunk_appendf(&trace_buf, " %s", ((msg->chn->flags & CF_ISRESP) ? "RESPONSE" : "REQUEST")); |
| 185 | |
| 186 | if (src->verbosity == STRM_VERB_CLEAN) |
| 187 | return; |
| 188 | |
| 189 | /* If msg defined, display status-line if possible (verbosity > MINIMAL) */ |
| 190 | if (src->verbosity > STRM_VERB_MINIMAL && htx && htx_nbblks(htx)) { |
| 191 | const struct htx_blk *blk = htx_get_head_blk(htx); |
| 192 | const struct htx_sl *sl = htx_get_blk_ptr(htx, blk); |
| 193 | enum htx_blk_type type = htx_get_blk_type(blk); |
| 194 | |
| 195 | if (type == HTX_BLK_REQ_SL || type == HTX_BLK_RES_SL) |
| 196 | chunk_appendf(&trace_buf, " - \"%.*s %.*s %.*s\"", |
| 197 | HTX_SL_P1_LEN(sl), HTX_SL_P1_PTR(sl), |
| 198 | HTX_SL_P2_LEN(sl), HTX_SL_P2_PTR(sl), |
| 199 | HTX_SL_P3_LEN(sl), HTX_SL_P3_PTR(sl)); |
| 200 | } |
| 201 | |
| 202 | |
| 203 | /* If txn defined info about HTTP msgs, otherwise info about SI. */ |
| 204 | if (txn) { |
| 205 | chunk_appendf(&trace_buf, " - t=%p s=(%p,0x%08x) txn.flags=0x%08x, http.flags=(0x%08x,0x%08x) status=%d", |
| 206 | task, s, s->flags, txn->flags, txn->req.flags, txn->rsp.flags, txn->status); |
| 207 | } |
| 208 | else { |
| 209 | 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", |
| 210 | task, s, s->flags, si_f, si_f->flags, si_f->err_type, |
| 211 | si_b, si_b->flags, si_b->err_type, si_b->conn_retries); |
| 212 | } |
| 213 | |
| 214 | if (src->verbosity == STRM_VERB_MINIMAL) |
| 215 | return; |
| 216 | |
| 217 | |
| 218 | /* If txn defined, don't display all channel info */ |
| 219 | if (src->verbosity == STRM_VERB_SIMPLE || txn) { |
| 220 | chunk_appendf(&trace_buf, " req=(%p .fl=0x%08x .exp(r,w,a)=(%u,%u,%u))", |
| 221 | req, req->flags, req->rex, req->wex, req->analyse_exp); |
| 222 | chunk_appendf(&trace_buf, " res=(%p .fl=0x%08x .exp(r,w,a)=(%u,%u,%u))", |
| 223 | res, res->flags, res->rex, res->wex, res->analyse_exp); |
| 224 | } |
| 225 | else { |
| 226 | 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)", |
| 227 | req, req->flags, req->analysers, req->rex, req->wex, req->analyse_exp, |
Willy Tarreau | e18f53e | 2019-11-27 15:41:31 +0100 | [diff] [blame] | 228 | (long)req->output, req->total, req->to_forward); |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 229 | 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)", |
| 230 | res, res->flags, res->analysers, res->rex, res->wex, res->analyse_exp, |
Willy Tarreau | e18f53e | 2019-11-27 15:41:31 +0100 | [diff] [blame] | 231 | (long)res->output, res->total, res->to_forward); |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | if (src->verbosity == STRM_VERB_SIMPLE || |
| 235 | (src->verbosity == STRM_VERB_ADVANCED && src->level < TRACE_LEVEL_DATA)) |
| 236 | return; |
| 237 | |
| 238 | /* channels' buffer info */ |
| 239 | if (s->flags & SF_HTX) { |
| 240 | struct htx *rqhtx = htxbuf(&req->buf); |
| 241 | struct htx *rphtx = htxbuf(&res->buf); |
| 242 | |
| 243 | chunk_appendf(&trace_buf, " htx=(%u/%u#%u, %u/%u#%u)", |
| 244 | rqhtx->data, rqhtx->size, htx_nbblks(rqhtx), |
| 245 | rphtx->data, rphtx->size, htx_nbblks(rphtx)); |
| 246 | } |
| 247 | else { |
| 248 | chunk_appendf(&trace_buf, " buf=(%u@%p+%u/%u, %u@%p+%u/%u)", |
| 249 | (unsigned int)b_data(&req->buf), b_orig(&req->buf), |
| 250 | (unsigned int)b_head_ofs(&req->buf), (unsigned int)b_size(&req->buf), |
| 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)); |
| 253 | } |
| 254 | |
| 255 | /* If msg defined, display htx info if defined (level > USER) */ |
| 256 | if (src->level > TRACE_LEVEL_USER && htx && htx_nbblks(htx)) { |
| 257 | int full = 0; |
| 258 | |
| 259 | /* Full htx info (level > STATE && verbosity > SIMPLE) */ |
| 260 | if (src->level > TRACE_LEVEL_STATE) { |
| 261 | if (src->verbosity == STRM_VERB_COMPLETE) |
| 262 | full = 1; |
| 263 | } |
| 264 | |
| 265 | chunk_memcat(&trace_buf, "\n\t", 2); |
| 266 | htx_dump(&trace_buf, htx, full); |
| 267 | } |
| 268 | } |
| 269 | |
Willy Tarreau | 5790eb0 | 2017-08-28 17:18:36 +0200 | [diff] [blame] | 270 | /* Create a new stream for connection <conn>. Return < 0 on error. This is only |
| 271 | * valid right after the handshake, before the connection's data layer is |
| 272 | * initialized, because it relies on the session to be in conn->owner. |
| 273 | */ |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 274 | int stream_create_from_cs(struct conn_stream *cs) |
Willy Tarreau | 5790eb0 | 2017-08-28 17:18:36 +0200 | [diff] [blame] | 275 | { |
| 276 | struct stream *strm; |
| 277 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 278 | strm = stream_new(cs->conn->owner, &cs->obj_type); |
Willy Tarreau | 5790eb0 | 2017-08-28 17:18:36 +0200 | [diff] [blame] | 279 | if (strm == NULL) |
| 280 | return -1; |
| 281 | |
| 282 | task_wakeup(strm->task, TASK_WOKEN_INIT); |
| 283 | return 0; |
| 284 | } |
| 285 | |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 286 | /* Callback used to wake up a stream when an input buffer is available. The |
| 287 | * stream <s>'s stream interfaces are checked for a failed buffer allocation |
Willy Tarreau | d0f5bbc | 2018-11-14 11:10:26 +0100 | [diff] [blame] | 288 | * as indicated by the presence of the SI_FL_RXBLK_ROOM flag and the lack of a |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 289 | * buffer, and and input buffer is assigned there (at most one). The function |
| 290 | * returns 1 and wakes the stream up if a buffer was taken, otherwise zero. |
| 291 | * It's designed to be called from __offer_buffer(). |
| 292 | */ |
| 293 | int stream_buf_available(void *arg) |
| 294 | { |
| 295 | struct stream *s = arg; |
| 296 | |
Willy Tarreau | 8be7cd7 | 2018-11-14 15:12:08 +0100 | [diff] [blame] | 297 | if (!s->req.buf.size && !s->req.pipe && (s->si[0].flags & SI_FL_RXBLK_BUFF) && |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 298 | b_alloc_margin(&s->req.buf, global.tune.reserved_bufs)) |
Willy Tarreau | 8be7cd7 | 2018-11-14 15:12:08 +0100 | [diff] [blame] | 299 | si_rx_buff_rdy(&s->si[0]); |
| 300 | else if (!s->res.buf.size && !s->res.pipe && (s->si[1].flags & SI_FL_RXBLK_BUFF) && |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 301 | b_alloc_margin(&s->res.buf, 0)) |
Willy Tarreau | 8be7cd7 | 2018-11-14 15:12:08 +0100 | [diff] [blame] | 302 | si_rx_buff_rdy(&s->si[1]); |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 303 | else |
| 304 | return 0; |
| 305 | |
| 306 | task_wakeup(s->task, TASK_WOKEN_RES); |
| 307 | return 1; |
| 308 | |
| 309 | } |
| 310 | |
Willy Tarreau | 9903f0e | 2015-04-04 18:50:31 +0200 | [diff] [blame] | 311 | /* This function is called from the session handler which detects the end of |
Willy Tarreau | 73b65ac | 2015-04-08 18:26:29 +0200 | [diff] [blame] | 312 | * handshake, in order to complete initialization of a valid stream. It must be |
Joseph Herlant | 4cc8d0d | 2018-11-15 09:14:14 -0800 | [diff] [blame] | 313 | * called with a completely initialized session. It returns the pointer to |
Willy Tarreau | 73b65ac | 2015-04-08 18:26:29 +0200 | [diff] [blame] | 314 | * the newly created stream, or NULL in case of fatal error. The client-facing |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 315 | * end point is assigned to <origin>, which must be valid. The stream's task |
| 316 | * is configured with a nice value inherited from the listener's nice if any. |
| 317 | * The task's context is set to the new stream, and its function is set to |
| 318 | * process_stream(). Target and analysers are null. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 319 | */ |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 320 | struct stream *stream_new(struct session *sess, enum obj_type *origin) |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 321 | { |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 322 | struct stream *s; |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 323 | struct task *t; |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 324 | struct conn_stream *cs = objt_cs(origin); |
Willy Tarreau | 73b65ac | 2015-04-08 18:26:29 +0200 | [diff] [blame] | 325 | struct appctx *appctx = objt_appctx(origin); |
Christopher Faulet | b3484d6 | 2018-11-29 15:19:05 +0100 | [diff] [blame] | 326 | const struct cs_info *csinfo; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 327 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 328 | DBG_TRACE_ENTER(STRM_EV_STRM_NEW); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 329 | if (unlikely((s = pool_alloc(pool_head_stream)) == NULL)) |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 330 | goto out_fail_alloc; |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 331 | |
| 332 | /* minimum stream initialization required for an embryonic stream is |
| 333 | * fairly low. We need very little to execute L4 ACLs, then we need a |
| 334 | * task to make the client-side connection live on its own. |
| 335 | * - flags |
| 336 | * - stick-entry tracking |
| 337 | */ |
| 338 | s->flags = 0; |
Willy Tarreau | fb9f584 | 2015-04-05 18:19:23 +0200 | [diff] [blame] | 339 | s->logs.logwait = sess->fe->to_log; |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 340 | s->logs.level = 0; |
Willy Tarreau | 99eb0f1 | 2015-04-05 12:03:54 +0200 | [diff] [blame] | 341 | tv_zero(&s->logs.tv_request); |
| 342 | s->logs.t_queue = -1; |
| 343 | s->logs.t_connect = -1; |
| 344 | s->logs.t_data = -1; |
| 345 | s->logs.t_close = 0; |
| 346 | s->logs.bytes_in = s->logs.bytes_out = 0; |
Patrick Hemmer | ffe5e8c | 2018-05-11 12:52:31 -0400 | [diff] [blame] | 347 | s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */ |
| 348 | s->logs.srv_queue_pos = 0; /* we will get this number soon */ |
Baptiste Assmann | 333939c | 2019-01-21 08:34:50 +0100 | [diff] [blame] | 349 | s->obj_type = OBJ_TYPE_STREAM; |
Willy Tarreau | 99eb0f1 | 2015-04-05 12:03:54 +0200 | [diff] [blame] | 350 | |
Christopher Faulet | b3484d6 | 2018-11-29 15:19:05 +0100 | [diff] [blame] | 351 | csinfo = si_get_cs_info(cs); |
| 352 | if (csinfo) { |
| 353 | s->logs.accept_date = csinfo->create_date; |
| 354 | s->logs.tv_accept = csinfo->tv_create; |
| 355 | s->logs.t_handshake = csinfo->t_handshake; |
| 356 | s->logs.t_idle = csinfo->t_idle; |
| 357 | } |
| 358 | else { |
| 359 | s->logs.accept_date = sess->accept_date; |
| 360 | s->logs.tv_accept = sess->tv_accept; |
| 361 | s->logs.t_handshake = sess->t_handshake; |
| 362 | s->logs.t_idle = -1; |
| 363 | } |
| 364 | |
Willy Tarreau | 99eb0f1 | 2015-04-05 12:03:54 +0200 | [diff] [blame] | 365 | /* default logging function */ |
| 366 | s->do_log = strm_log; |
| 367 | |
| 368 | /* default error reporting function, may be changed by analysers */ |
| 369 | s->srv_error = default_srv_error; |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 370 | |
| 371 | /* Initialise the current rule list pointer to NULL. We are sure that |
| 372 | * any rulelist match the NULL pointer. |
| 373 | */ |
| 374 | s->current_rule_list = NULL; |
Remi Gacogne | 7fb9de2 | 2015-07-22 17:10:58 +0200 | [diff] [blame] | 375 | s->current_rule = NULL; |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 376 | |
Willy Tarreau | a68f762 | 2015-09-21 17:48:24 +0200 | [diff] [blame] | 377 | /* Copy SC counters for the stream. We don't touch refcounts because |
| 378 | * any reference we have is inherited from the session. Since the stream |
| 379 | * doesn't exist without the session, the session's existence guarantees |
| 380 | * we don't lose the entry. During the store operation, the stream won't |
| 381 | * touch these ones. |
Thierry FOURNIER | 827752e | 2015-08-18 11:34:18 +0200 | [diff] [blame] | 382 | */ |
Thierry FOURNIER | c8fdb98 | 2015-08-16 12:03:39 +0200 | [diff] [blame] | 383 | memcpy(s->stkctr, sess->stkctr, sizeof(s->stkctr)); |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 384 | |
| 385 | s->sess = sess; |
| 386 | s->si[0].flags = SI_FL_NONE; |
| 387 | s->si[1].flags = SI_FL_ISBACK; |
| 388 | |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 389 | s->uniq_id = _HA_ATOMIC_XADD(&global.req_count, 1); |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 390 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 391 | /* OK, we're keeping the stream, so let's properly initialize the stream */ |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 392 | LIST_INIT(&s->back_refs); |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 393 | |
Willy Tarreau | 2104659 | 2020-02-26 10:39:36 +0100 | [diff] [blame] | 394 | MT_LIST_INIT(&s->buffer_wait.list); |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 395 | s->buffer_wait.target = s; |
Willy Tarreau | b882dd8 | 2018-11-06 15:50:21 +0100 | [diff] [blame] | 396 | s->buffer_wait.wakeup_cb = stream_buf_available; |
Willy Tarreau | f8a49ea | 2013-10-14 21:32:07 +0200 | [diff] [blame] | 397 | |
Willy Tarreau | 2e9c1d2 | 2019-04-24 08:28:31 +0200 | [diff] [blame] | 398 | s->call_rate.curr_sec = s->call_rate.curr_ctr = s->call_rate.prev_ctr = 0; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 399 | s->pcli_next_pid = 0; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 400 | s->pcli_flags = 0; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 401 | s->unique_id = NULL; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 402 | |
Emeric Brun | c60def8 | 2017-09-27 14:59:38 +0200 | [diff] [blame] | 403 | if ((t = task_new(tid_bit)) == NULL) |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 404 | goto out_fail_alloc; |
| 405 | |
Willy Tarreau | 02a0c0e | 2015-04-04 18:08:21 +0200 | [diff] [blame] | 406 | s->task = t; |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 407 | s->pending_events = 0; |
Willy Tarreau | d1769b8 | 2015-04-06 00:25:48 +0200 | [diff] [blame] | 408 | t->process = process_stream; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 409 | t->context = s; |
| 410 | t->expire = TICK_ETERNITY; |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 411 | if (sess->listener) |
| 412 | t->nice = sess->listener->nice; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 413 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 414 | /* Note: initially, the stream's backend points to the frontend. |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 415 | * This changes later when switching rules are executed or |
| 416 | * when the default backend is assigned. |
| 417 | */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 418 | s->be = sess->fe; |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 419 | s->req.buf = BUF_NULL; |
| 420 | s->res.buf = BUF_NULL; |
Willy Tarreau | cb7dd01 | 2015-04-03 22:16:32 +0200 | [diff] [blame] | 421 | s->req_cap = NULL; |
| 422 | s->res_cap = NULL; |
Willy Tarreau | 2542b53 | 2012-08-31 16:01:23 +0200 | [diff] [blame] | 423 | |
Willy Tarreau | ebcd484 | 2015-06-19 11:59:02 +0200 | [diff] [blame] | 424 | /* Initialise all the variables contexts even if not used. |
| 425 | * This permits to prune these contexts without errors. |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 426 | */ |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 427 | vars_init(&s->vars_txn, SCOPE_TXN); |
| 428 | vars_init(&s->vars_reqres, SCOPE_REQ); |
| 429 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 430 | /* this part should be common with other protocols */ |
Olivier Houchard | 8f0b4c6 | 2018-08-02 18:21:38 +0200 | [diff] [blame] | 431 | if (si_reset(&s->si[0]) < 0) |
| 432 | goto out_fail_alloc; |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 433 | si_set_state(&s->si[0], SI_ST_EST); |
Hongbo Long | e39683c | 2017-03-10 18:41:51 +0100 | [diff] [blame] | 434 | s->si[0].hcto = sess->fe->timeout.clientfin; |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 435 | |
Christopher Faulet | 0e160ff | 2019-04-03 10:01:07 +0200 | [diff] [blame] | 436 | if (cs && cs->conn->mux) { |
| 437 | if (cs->conn->mux->flags & MX_FL_CLEAN_ABRT) |
| 438 | s->si[0].flags |= SI_FL_CLEAN_ABRT; |
| 439 | if (cs->conn->mux->flags & MX_FL_HTX) |
| 440 | s->flags |= SF_HTX; |
| 441 | } |
Christopher Faulet | 3494c63 | 2019-07-15 14:58:26 +0200 | [diff] [blame] | 442 | /* Set SF_HTX flag for HTTP frontends. */ |
| 443 | if (sess->fe->mode == PR_MODE_HTTP) |
Christopher Faulet | 0e160ff | 2019-04-03 10:01:07 +0200 | [diff] [blame] | 444 | s->flags |= SF_HTX; |
Willy Tarreau | 984fca9 | 2017-12-20 16:31:43 +0100 | [diff] [blame] | 445 | |
Willy Tarreau | 1f52bb2 | 2015-04-04 14:28:46 +0200 | [diff] [blame] | 446 | /* attach the incoming connection to the stream interface now. */ |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 447 | if (cs) |
| 448 | si_attach_cs(&s->si[0], cs); |
Willy Tarreau | 470280e | 2015-04-05 01:33:13 +0200 | [diff] [blame] | 449 | else if (appctx) |
| 450 | si_attach_appctx(&s->si[0], appctx); |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 451 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 452 | if (likely(sess->fe->options2 & PR_O2_INDEPSTR)) |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 453 | s->si[0].flags |= SI_FL_INDEP_STR; |
| 454 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 455 | /* pre-initialize the other side's stream interface to an INIT state. The |
| 456 | * callbacks will be initialized before attempting to connect. |
| 457 | */ |
Olivier Houchard | 8f0b4c6 | 2018-08-02 18:21:38 +0200 | [diff] [blame] | 458 | if (si_reset(&s->si[1]) < 0) |
| 459 | goto out_fail_alloc_si1; |
Hongbo Long | e39683c | 2017-03-10 18:41:51 +0100 | [diff] [blame] | 460 | s->si[1].hcto = TICK_ETERNITY; |
Willy Tarreau | b363a1f | 2013-10-01 10:45:07 +0200 | [diff] [blame] | 461 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 462 | if (likely(sess->fe->options2 & PR_O2_INDEPSTR)) |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 463 | s->si[1].flags |= SI_FL_INDEP_STR; |
| 464 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 465 | stream_init_srv_conn(s); |
Willy Tarreau | 9b82d94 | 2016-12-05 00:26:31 +0100 | [diff] [blame] | 466 | s->target = sess->listener ? sess->listener->default_target : NULL; |
Willy Tarreau | 9042060 | 2019-07-18 15:09:57 +0200 | [diff] [blame] | 467 | s->target_addr = NULL; |
Willy Tarreau | 9b82d94 | 2016-12-05 00:26:31 +0100 | [diff] [blame] | 468 | |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 469 | s->pend_pos = NULL; |
Patrick Hemmer | 268a707 | 2018-05-11 12:52:31 -0400 | [diff] [blame] | 470 | s->priority_class = 0; |
| 471 | s->priority_offset = 0; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 472 | |
| 473 | /* init store persistence */ |
| 474 | s->store_count = 0; |
| 475 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 476 | channel_init(&s->req); |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 477 | s->req.flags |= CF_READ_ATTACHED; /* the producer is already connected */ |
Willy Tarreau | 9b82d94 | 2016-12-05 00:26:31 +0100 | [diff] [blame] | 478 | s->req.analysers = sess->listener ? sess->listener->analysers : 0; |
Willy Tarreau | e223e3b | 2017-11-18 15:39:10 +0100 | [diff] [blame] | 479 | |
| 480 | if (!sess->fe->fe_req_ana) { |
| 481 | channel_auto_connect(&s->req); /* don't wait to establish connection */ |
| 482 | channel_auto_close(&s->req); /* let the producer forward close requests */ |
| 483 | } |
Willy Tarreau | c8815ef | 2015-04-05 18:15:59 +0200 | [diff] [blame] | 484 | |
| 485 | s->req.rto = sess->fe->timeout.client; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 486 | s->req.wto = TICK_ETERNITY; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 487 | s->req.rex = TICK_ETERNITY; |
| 488 | s->req.wex = TICK_ETERNITY; |
| 489 | s->req.analyse_exp = TICK_ETERNITY; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 490 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 491 | channel_init(&s->res); |
Willy Tarreau | ef573c0 | 2014-11-28 14:17:09 +0100 | [diff] [blame] | 492 | s->res.flags |= CF_ISRESP; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 493 | s->res.analysers = 0; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 494 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 495 | if (sess->fe->options2 & PR_O2_NODELAY) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 496 | s->req.flags |= CF_NEVER_WAIT; |
| 497 | s->res.flags |= CF_NEVER_WAIT; |
Willy Tarreau | 96e3121 | 2011-05-30 18:10:30 +0200 | [diff] [blame] | 498 | } |
| 499 | |
Willy Tarreau | c8815ef | 2015-04-05 18:15:59 +0200 | [diff] [blame] | 500 | s->res.wto = sess->fe->timeout.client; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 501 | s->res.rto = TICK_ETERNITY; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 502 | s->res.rex = TICK_ETERNITY; |
| 503 | s->res.wex = TICK_ETERNITY; |
| 504 | s->res.analyse_exp = TICK_ETERNITY; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 505 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 506 | s->txn = NULL; |
Thierry FOURNIER | 2c8b54e | 2016-12-17 12:45:32 +0100 | [diff] [blame] | 507 | s->hlua = NULL; |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 508 | |
Frédéric Lécaille | bed883a | 2019-04-23 17:26:33 +0200 | [diff] [blame] | 509 | s->dns_ctx.dns_requester = NULL; |
| 510 | s->dns_ctx.hostname_dn = NULL; |
| 511 | s->dns_ctx.hostname_dn_len = 0; |
| 512 | s->dns_ctx.parent = NULL; |
| 513 | |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 514 | HA_SPIN_LOCK(STRMS_LOCK, &streams_lock); |
Emeric Brun | 6b35e9b | 2017-06-30 16:23:45 +0200 | [diff] [blame] | 515 | LIST_ADDQ(&streams, &s->list); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 516 | HA_SPIN_UNLOCK(STRMS_LOCK, &streams_lock); |
Emeric Brun | 6b35e9b | 2017-06-30 16:23:45 +0200 | [diff] [blame] | 517 | |
Christopher Faulet | 92d3638 | 2015-11-05 13:35:03 +0100 | [diff] [blame] | 518 | if (flt_stream_init(s) < 0 || flt_stream_start(s) < 0) |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 519 | goto out_fail_accept; |
| 520 | |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 521 | s->si[1].l7_buffer = BUF_NULL; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 522 | /* finish initialization of the accepted file descriptor */ |
Olivier Houchard | 53216e7 | 2018-10-10 15:46:36 +0200 | [diff] [blame] | 523 | if (appctx) |
Willy Tarreau | 0cd3bd6 | 2018-11-06 18:46:37 +0100 | [diff] [blame] | 524 | si_want_get(&s->si[0]); |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 525 | |
Willy Tarreau | fb9f584 | 2015-04-05 18:19:23 +0200 | [diff] [blame] | 526 | if (sess->fe->accept && sess->fe->accept(s) < 0) |
Willy Tarreau | c5a7ff4 | 2015-04-05 11:52:08 +0200 | [diff] [blame] | 527 | goto out_fail_accept; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 528 | |
| 529 | /* it is important not to call the wakeup function directly but to |
| 530 | * pass through task_wakeup(), because this one knows how to apply |
Emeric Brun | 5f77fef | 2017-05-29 15:26:51 +0200 | [diff] [blame] | 531 | * priorities to tasks. Using multi thread we must be sure that |
| 532 | * stream is fully initialized before calling task_wakeup. So |
| 533 | * the caller must handle the task_wakeup |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 534 | */ |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 535 | DBG_TRACE_LEAVE(STRM_EV_STRM_NEW, s); |
Willy Tarreau | 02d8638 | 2015-04-05 12:00:52 +0200 | [diff] [blame] | 536 | return s; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 537 | |
| 538 | /* Error unrolling */ |
Willy Tarreau | c5a7ff4 | 2015-04-05 11:52:08 +0200 | [diff] [blame] | 539 | out_fail_accept: |
Christopher Faulet | 92d3638 | 2015-11-05 13:35:03 +0100 | [diff] [blame] | 540 | flt_stream_release(s, 0); |
Olivier Houchard | 3f795f7 | 2019-04-17 22:51:06 +0200 | [diff] [blame] | 541 | task_destroy(t); |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 542 | tasklet_free(s->si[1].wait_event.tasklet); |
Willy Tarreau | e5f229e | 2018-10-15 11:08:55 +0200 | [diff] [blame] | 543 | LIST_DEL(&s->list); |
Olivier Houchard | 8f0b4c6 | 2018-08-02 18:21:38 +0200 | [diff] [blame] | 544 | out_fail_alloc_si1: |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 545 | tasklet_free(s->si[0].wait_event.tasklet); |
Willy Tarreau | 87787ac | 2017-08-28 16:22:54 +0200 | [diff] [blame] | 546 | out_fail_alloc: |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 547 | pool_free(pool_head_stream, s); |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 548 | DBG_TRACE_DEVEL("leaving on error", STRM_EV_STRM_NEW|STRM_EV_STRM_ERR); |
Willy Tarreau | 02d8638 | 2015-04-05 12:00:52 +0200 | [diff] [blame] | 549 | return NULL; |
Willy Tarreau | 81f9aa3 | 2010-06-01 17:45:26 +0200 | [diff] [blame] | 550 | } |
| 551 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 552 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 553 | * frees the context associated to a stream. It must have been removed first. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 554 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 555 | static void stream_free(struct stream *s) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 556 | { |
Willy Tarreau | 9ad7bd4 | 2015-04-03 19:19:59 +0200 | [diff] [blame] | 557 | struct session *sess = strm_sess(s); |
| 558 | struct proxy *fe = sess->fe; |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 559 | struct bref *bref, *back; |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 560 | struct conn_stream *cli_cs = objt_cs(s->si[0].end); |
Willy Tarreau | 5bcfd56 | 2017-11-29 14:05:38 +0100 | [diff] [blame] | 561 | int must_free_sess; |
Willy Tarreau | a4cda67 | 2010-06-06 18:28:49 +0200 | [diff] [blame] | 562 | int i; |
Willy Tarreau | 0f7562b | 2007-01-07 15:46:13 +0100 | [diff] [blame] | 563 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 564 | DBG_TRACE_POINT(STRM_EV_STRM_FREE, s); |
| 565 | |
Willy Tarreau | 0ad46fa | 2019-05-17 14:20:05 +0200 | [diff] [blame] | 566 | /* detach the stream from its own task before even releasing it so |
| 567 | * that walking over a task list never exhibits a dying stream. |
| 568 | */ |
| 569 | s->task->context = NULL; |
| 570 | __ha_barrier_store(); |
| 571 | |
Willy Tarreau | d0ad4a8 | 2018-07-25 11:13:53 +0200 | [diff] [blame] | 572 | pendconn_free(s); |
Willy Tarreau | 922a806 | 2008-12-04 09:33:58 +0100 | [diff] [blame] | 573 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 574 | if (objt_server(s->target)) { /* there may be requests left pending in queue */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 575 | if (s->flags & SF_CURR_SESS) { |
| 576 | s->flags &= ~SF_CURR_SESS; |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 577 | _HA_ATOMIC_SUB(&__objt_server(s->target)->cur_sess, 1); |
Willy Tarreau | 1e62de6 | 2008-11-11 20:20:02 +0100 | [diff] [blame] | 578 | } |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 579 | if (may_dequeue_tasks(objt_server(s->target), s->be)) |
| 580 | process_srv_queue(objt_server(s->target)); |
Willy Tarreau | 1e62de6 | 2008-11-11 20:20:02 +0100 | [diff] [blame] | 581 | } |
Willy Tarreau | 922a806 | 2008-12-04 09:33:58 +0100 | [diff] [blame] | 582 | |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 583 | if (unlikely(s->srv_conn)) { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 584 | /* the stream still has a reserved slot on a server, but |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 585 | * it should normally be only the same as the one above, |
| 586 | * so this should not happen in fact. |
| 587 | */ |
| 588 | sess_change_server(s, NULL); |
| 589 | } |
| 590 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 591 | if (s->req.pipe) |
| 592 | put_pipe(s->req.pipe); |
Willy Tarreau | 259de1b | 2009-01-18 21:56:21 +0100 | [diff] [blame] | 593 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 594 | if (s->res.pipe) |
| 595 | put_pipe(s->res.pipe); |
Willy Tarreau | 259de1b | 2009-01-18 21:56:21 +0100 | [diff] [blame] | 596 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 597 | /* We may still be present in the buffer wait queue */ |
Willy Tarreau | 2104659 | 2020-02-26 10:39:36 +0100 | [diff] [blame] | 598 | if (MT_LIST_ADDED(&s->buffer_wait.list)) |
| 599 | MT_LIST_DEL(&s->buffer_wait.list); |
| 600 | |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 601 | if (s->req.buf.size || s->res.buf.size) { |
Willy Tarreau | e0d0b40 | 2019-08-08 08:06:27 +0200 | [diff] [blame] | 602 | b_free(&s->req.buf); |
| 603 | b_free(&s->res.buf); |
Olivier Houchard | 673867c | 2018-05-25 16:58:52 +0200 | [diff] [blame] | 604 | offer_buffers(NULL, tasks_run_queue); |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 605 | } |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 606 | |
Olivier Houchard | 32211a1 | 2019-02-01 18:10:46 +0100 | [diff] [blame] | 607 | pool_free(pool_head_uniqueid, s->unique_id); |
Willy Tarreau | 09c4bab | 2019-02-10 18:49:37 +0100 | [diff] [blame] | 608 | s->unique_id = NULL; |
Olivier Houchard | 32211a1 | 2019-02-01 18:10:46 +0100 | [diff] [blame] | 609 | |
Thierry FOURNIER | 2c8b54e | 2016-12-17 12:45:32 +0100 | [diff] [blame] | 610 | hlua_ctx_destroy(s->hlua); |
| 611 | s->hlua = NULL; |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 612 | if (s->txn) |
| 613 | http_end_txn(s); |
Willy Tarreau | 4602363 | 2010-01-07 22:51:47 +0100 | [diff] [blame] | 614 | |
Willy Tarreau | 1e95491 | 2012-10-12 17:50:05 +0200 | [diff] [blame] | 615 | /* ensure the client-side transport layer is destroyed */ |
Willy Tarreau | 3256073 | 2017-10-08 11:33:44 +0200 | [diff] [blame] | 616 | if (cli_cs) |
| 617 | cs_close(cli_cs); |
Willy Tarreau | 1e95491 | 2012-10-12 17:50:05 +0200 | [diff] [blame] | 618 | |
Willy Tarreau | a4cda67 | 2010-06-06 18:28:49 +0200 | [diff] [blame] | 619 | for (i = 0; i < s->store_count; i++) { |
| 620 | if (!s->store[i].ts) |
| 621 | continue; |
| 622 | stksess_free(s->store[i].table, s->store[i].ts); |
| 623 | s->store[i].ts = NULL; |
| 624 | } |
| 625 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 626 | if (s->txn) { |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 627 | pool_free(pool_head_http_txn, s->txn); |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 628 | s->txn = NULL; |
| 629 | } |
| 630 | |
Baptiste Assmann | 333939c | 2019-01-21 08:34:50 +0100 | [diff] [blame] | 631 | if (s->dns_ctx.dns_requester) { |
| 632 | free(s->dns_ctx.hostname_dn); s->dns_ctx.hostname_dn = NULL; |
| 633 | s->dns_ctx.hostname_dn_len = 0; |
| 634 | dns_unlink_resolution(s->dns_ctx.dns_requester); |
| 635 | |
| 636 | pool_free(dns_requester_pool, s->dns_ctx.dns_requester); |
| 637 | s->dns_ctx.dns_requester = NULL; |
| 638 | } |
| 639 | |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 640 | flt_stream_stop(s); |
Christopher Faulet | 92d3638 | 2015-11-05 13:35:03 +0100 | [diff] [blame] | 641 | flt_stream_release(s, 0); |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 642 | |
Willy Tarreau | 92fb983 | 2007-10-16 17:34:28 +0200 | [diff] [blame] | 643 | if (fe) { |
Christopher Faulet | 5939925 | 2019-11-07 14:27:52 +0100 | [diff] [blame] | 644 | if (s->req_cap) { |
| 645 | struct cap_hdr *h; |
| 646 | for (h = fe->req_cap; h; h = h->next) |
| 647 | pool_free(h->pool, s->req_cap[h->index]); |
| 648 | } |
| 649 | |
| 650 | if (s->res_cap) { |
| 651 | struct cap_hdr *h; |
| 652 | for (h = fe->rsp_cap; h; h = h->next) |
| 653 | pool_free(h->pool, s->res_cap[h->index]); |
| 654 | } |
| 655 | |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 656 | pool_free(fe->rsp_cap_pool, s->res_cap); |
| 657 | pool_free(fe->req_cap_pool, s->req_cap); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 658 | } |
Willy Tarreau | 0937bc4 | 2009-12-22 15:03:09 +0100 | [diff] [blame] | 659 | |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 660 | /* Cleanup all variable contexts. */ |
Willy Tarreau | cda7f3f | 2018-10-28 13:44:36 +0100 | [diff] [blame] | 661 | if (!LIST_ISEMPTY(&s->vars_txn.head)) |
| 662 | vars_prune(&s->vars_txn, s->sess, s); |
| 663 | if (!LIST_ISEMPTY(&s->vars_reqres.head)) |
| 664 | vars_prune(&s->vars_reqres, s->sess, s); |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 665 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 666 | stream_store_counters(s); |
Willy Tarreau | 9ba2dcc | 2010-06-14 21:04:55 +0200 | [diff] [blame] | 667 | |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 668 | HA_SPIN_LOCK(STRMS_LOCK, &streams_lock); |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 669 | list_for_each_entry_safe(bref, back, &s->back_refs, users) { |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 670 | /* we have to unlink all watchers. We must not relink them if |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 671 | * this stream was the last one in the list. |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 672 | */ |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 673 | LIST_DEL(&bref->users); |
Willy Tarreau | fd3828e | 2009-02-22 15:17:24 +0100 | [diff] [blame] | 674 | LIST_INIT(&bref->users); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 675 | if (s->list.n != &streams) |
| 676 | LIST_ADDQ(&LIST_ELEM(s->list.n, struct stream *, list)->back_refs, &bref->users); |
Willy Tarreau | 62e4f1d | 2008-12-07 20:16:23 +0100 | [diff] [blame] | 677 | bref->ref = s->list.n; |
| 678 | } |
Willy Tarreau | f54f8bd | 2008-11-23 19:53:55 +0100 | [diff] [blame] | 679 | LIST_DEL(&s->list); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 680 | HA_SPIN_UNLOCK(STRMS_LOCK, &streams_lock); |
Emeric Brun | 6b35e9b | 2017-06-30 16:23:45 +0200 | [diff] [blame] | 681 | |
Willy Tarreau | 5bcfd56 | 2017-11-29 14:05:38 +0100 | [diff] [blame] | 682 | /* applets do not release session yet */ |
| 683 | must_free_sess = objt_appctx(sess->origin) && sess->origin == s->si[0].end; |
| 684 | |
Olivier Houchard | 4fdec7a | 2018-10-11 17:09:14 +0200 | [diff] [blame] | 685 | |
Willy Tarreau | 32e3c6a | 2013-10-11 19:34:20 +0200 | [diff] [blame] | 686 | si_release_endpoint(&s->si[1]); |
| 687 | si_release_endpoint(&s->si[0]); |
Willy Tarreau | feb7640 | 2015-04-03 14:10:06 +0200 | [diff] [blame] | 688 | |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 689 | tasklet_free(s->si[0].wait_event.tasklet); |
| 690 | tasklet_free(s->si[1].wait_event.tasklet); |
Olivier Houchard | d7bd3e3 | 2018-10-18 16:22:02 +0200 | [diff] [blame] | 691 | |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 692 | b_free(&s->si[1].l7_buffer); |
Olivier Houchard | 25607af | 2018-11-23 14:50:47 +0100 | [diff] [blame] | 693 | if (must_free_sess) { |
| 694 | sess->origin = NULL; |
Willy Tarreau | 5bcfd56 | 2017-11-29 14:05:38 +0100 | [diff] [blame] | 695 | session_free(sess); |
Olivier Houchard | 25607af | 2018-11-23 14:50:47 +0100 | [diff] [blame] | 696 | } |
Willy Tarreau | 5bcfd56 | 2017-11-29 14:05:38 +0100 | [diff] [blame] | 697 | |
Willy Tarreau | 9042060 | 2019-07-18 15:09:57 +0200 | [diff] [blame] | 698 | sockaddr_free(&s->target_addr); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 699 | pool_free(pool_head_stream, s); |
Willy Tarreau | 632f5a7 | 2007-07-11 10:42:35 +0200 | [diff] [blame] | 700 | |
| 701 | /* We may want to free the maximum amount of pools if the proxy is stopping */ |
Willy Tarreau | 92fb983 | 2007-10-16 17:34:28 +0200 | [diff] [blame] | 702 | if (fe && unlikely(fe->state == PR_STSTOPPED)) { |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 703 | pool_flush(pool_head_buffer); |
| 704 | pool_flush(pool_head_http_txn); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 705 | pool_flush(pool_head_requri); |
| 706 | pool_flush(pool_head_capture); |
| 707 | pool_flush(pool_head_stream); |
| 708 | pool_flush(pool_head_session); |
| 709 | pool_flush(pool_head_connection); |
| 710 | pool_flush(pool_head_pendconn); |
| 711 | pool_flush(fe->req_cap_pool); |
| 712 | pool_flush(fe->rsp_cap_pool); |
Willy Tarreau | 632f5a7 | 2007-07-11 10:42:35 +0200 | [diff] [blame] | 713 | } |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 714 | } |
| 715 | |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 716 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 717 | /* Allocates a work buffer for stream <s>. It is meant to be called inside |
| 718 | * process_stream(). It will only allocate the side needed for the function |
Willy Tarreau | bc39a5d | 2015-04-20 15:52:18 +0200 | [diff] [blame] | 719 | * to work fine, which is the response buffer so that an error message may be |
| 720 | * built and returned. Response buffers may be allocated from the reserve, this |
| 721 | * is critical to ensure that a response may always flow and will never block a |
| 722 | * server from releasing a connection. Returns 0 in case of failure, non-zero |
| 723 | * otherwise. |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 724 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 725 | static int stream_alloc_work_buffer(struct stream *s) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 726 | { |
Willy Tarreau | 2104659 | 2020-02-26 10:39:36 +0100 | [diff] [blame] | 727 | if (MT_LIST_ADDED(&s->buffer_wait.list)) |
| 728 | MT_LIST_DEL(&s->buffer_wait.list); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 729 | |
Willy Tarreau | bc39a5d | 2015-04-20 15:52:18 +0200 | [diff] [blame] | 730 | if (b_alloc_margin(&s->res.buf, 0)) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 731 | return 1; |
| 732 | |
Willy Tarreau | 2104659 | 2020-02-26 10:39:36 +0100 | [diff] [blame] | 733 | MT_LIST_ADDQ(&buffer_wq, &s->buffer_wait.list); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 734 | return 0; |
| 735 | } |
| 736 | |
| 737 | /* releases unused buffers after processing. Typically used at the end of the |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 738 | * update() functions. It will try to wake up as many tasks/applets as the |
| 739 | * number of buffers that it releases. In practice, most often streams are |
| 740 | * blocked on a single buffer, so it makes sense to try to wake two up when two |
| 741 | * buffers are released at once. |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 742 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 743 | void stream_release_buffers(struct stream *s) |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 744 | { |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 745 | int offer = 0; |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 746 | |
Willy Tarreau | 0c7ed5d | 2018-07-10 09:53:31 +0200 | [diff] [blame] | 747 | if (c_size(&s->req) && c_empty(&s->req)) { |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 748 | offer = 1; |
| 749 | b_free(&s->req.buf); |
| 750 | } |
Willy Tarreau | 0c7ed5d | 2018-07-10 09:53:31 +0200 | [diff] [blame] | 751 | if (c_size(&s->res) && c_empty(&s->res)) { |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 752 | offer = 1; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 753 | b_free(&s->res.buf); |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 754 | } |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 755 | |
Willy Tarreau | bf883e0 | 2014-11-25 21:10:35 +0100 | [diff] [blame] | 756 | /* if we're certain to have at least 1 buffer available, and there is |
| 757 | * someone waiting, we can wake up a waiter and offer them. |
| 758 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 759 | if (offer) |
Olivier Houchard | 673867c | 2018-05-25 16:58:52 +0200 | [diff] [blame] | 760 | offer_buffers(s, tasks_run_queue); |
Willy Tarreau | 656859d | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 761 | } |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 762 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 763 | void stream_process_counters(struct stream *s) |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 764 | { |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 765 | struct session *sess = s->sess; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 766 | unsigned long long bytes; |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 767 | void *ptr1,*ptr2; |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 768 | struct stksess *ts; |
Willy Tarreau | 20d46a5 | 2012-12-09 15:55:40 +0100 | [diff] [blame] | 769 | int i; |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 770 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 771 | bytes = s->req.total - s->logs.bytes_in; |
| 772 | s->logs.bytes_in = s->req.total; |
| 773 | if (bytes) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 774 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.bytes_in, bytes); |
| 775 | _HA_ATOMIC_ADD(&s->be->be_counters.bytes_in, bytes); |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 776 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 777 | if (objt_server(s->target)) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 778 | _HA_ATOMIC_ADD(&objt_server(s->target)->counters.bytes_in, bytes); |
Krzysztof Piotr Oledzki | aeebf9b | 2009-10-04 15:43:17 +0200 | [diff] [blame] | 779 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 780 | if (sess->listener && sess->listener->counters) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 781 | _HA_ATOMIC_ADD(&sess->listener->counters->bytes_in, bytes); |
Willy Tarreau | 855e4bb | 2010-06-18 18:33:32 +0200 | [diff] [blame] | 782 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 783 | for (i = 0; i < MAX_SESS_STKCTR; i++) { |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 784 | struct stkctr *stkctr = &s->stkctr[i]; |
| 785 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 786 | ts = stkctr_entry(stkctr); |
| 787 | if (!ts) { |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 788 | stkctr = &sess->stkctr[i]; |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 789 | ts = stkctr_entry(stkctr); |
| 790 | if (!ts) |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 791 | continue; |
| 792 | } |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 793 | |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 794 | HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock); |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 795 | ptr1 = stktable_data_ptr(stkctr->table, ts, STKTABLE_DT_BYTES_IN_CNT); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 796 | if (ptr1) |
| 797 | stktable_data_cast(ptr1, bytes_in_cnt) += bytes; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 798 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 799 | ptr2 = stktable_data_ptr(stkctr->table, ts, STKTABLE_DT_BYTES_IN_RATE); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 800 | if (ptr2) |
| 801 | update_freq_ctr_period(&stktable_data_cast(ptr2, bytes_in_rate), |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 802 | stkctr->table->data_arg[STKTABLE_DT_BYTES_IN_RATE].u, bytes); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 803 | HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 804 | |
| 805 | /* If data was modified, we need to touch to re-schedule sync */ |
| 806 | if (ptr1 || ptr2) |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 807 | stktable_touch_local(stkctr->table, ts, 0); |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 808 | } |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 809 | } |
| 810 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 811 | bytes = s->res.total - s->logs.bytes_out; |
| 812 | s->logs.bytes_out = s->res.total; |
| 813 | if (bytes) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 814 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.bytes_out, bytes); |
| 815 | _HA_ATOMIC_ADD(&s->be->be_counters.bytes_out, bytes); |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 816 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 817 | if (objt_server(s->target)) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 818 | _HA_ATOMIC_ADD(&objt_server(s->target)->counters.bytes_out, bytes); |
Krzysztof Piotr Oledzki | aeebf9b | 2009-10-04 15:43:17 +0200 | [diff] [blame] | 819 | |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 820 | if (sess->listener && sess->listener->counters) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 821 | _HA_ATOMIC_ADD(&sess->listener->counters->bytes_out, bytes); |
Willy Tarreau | f059a0f | 2010-08-03 16:29:52 +0200 | [diff] [blame] | 822 | |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 823 | for (i = 0; i < MAX_SESS_STKCTR; i++) { |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 824 | struct stkctr *stkctr = &s->stkctr[i]; |
| 825 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 826 | ts = stkctr_entry(stkctr); |
| 827 | if (!ts) { |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 828 | stkctr = &sess->stkctr[i]; |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 829 | ts = stkctr_entry(stkctr); |
| 830 | if (!ts) |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 831 | continue; |
| 832 | } |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 833 | |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 834 | HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock); |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 835 | ptr1 = stktable_data_ptr(stkctr->table, ts, STKTABLE_DT_BYTES_OUT_CNT); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 836 | if (ptr1) |
| 837 | stktable_data_cast(ptr1, bytes_out_cnt) += bytes; |
Willy Tarreau | 6c59e0a | 2010-06-20 11:56:30 +0200 | [diff] [blame] | 838 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 839 | ptr2 = stktable_data_ptr(stkctr->table, ts, STKTABLE_DT_BYTES_OUT_RATE); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 840 | if (ptr2) |
| 841 | update_freq_ctr_period(&stktable_data_cast(ptr2, bytes_out_rate), |
Willy Tarreau | 8b7f868 | 2015-04-04 16:29:12 +0200 | [diff] [blame] | 842 | stkctr->table->data_arg[STKTABLE_DT_BYTES_OUT_RATE].u, bytes); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 843 | HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock); |
Emeric Brun | 57056f0 | 2015-06-15 18:29:57 +0200 | [diff] [blame] | 844 | |
| 845 | /* If data was modified, we need to touch to re-schedule sync */ |
| 846 | if (ptr1 || ptr2) |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 847 | stktable_touch_local(stkctr->table, stkctr_entry(stkctr), 0); |
Willy Tarreau | 30e7101 | 2007-11-26 20:15:35 +0100 | [diff] [blame] | 848 | } |
Krzysztof Piotr Oledzki | 583bc96 | 2007-11-24 22:12:47 +0100 | [diff] [blame] | 849 | } |
| 850 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 851 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 852 | /* |
| 853 | * This function handles the transition between the SI_ST_CON state and the |
Willy Tarreau | 85e7d00 | 2010-05-31 11:57:51 +0200 | [diff] [blame] | 854 | * SI_ST_EST state. It must only be called after switching from SI_ST_CON (or |
Willy Tarreau | 4f283fa | 2019-06-05 14:34:03 +0200 | [diff] [blame] | 855 | * SI_ST_INI or SI_ST_RDY) to SI_ST_EST, but only when a ->proto is defined. |
Olivier Houchard | aacc405 | 2019-05-21 17:43:50 +0200 | [diff] [blame] | 856 | * Note that it will switch the interface to SI_ST_DIS if we already have |
| 857 | * the CF_SHUTR flag, it means we were able to forward the request, and |
| 858 | * receive the response, before process_stream() had the opportunity to |
| 859 | * make the switch from SI_ST_CON to SI_ST_EST. When that happens, we want |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 860 | * to go through back_establish() anyway, to make sure the analysers run. |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 861 | * Timeouts are cleared. Error are reported on the channel so that analysers |
| 862 | * can handle them. |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 863 | */ |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 864 | static void back_establish(struct stream *s) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 865 | { |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 866 | struct stream_interface *si = &s->si[1]; |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 867 | struct conn_stream *srv_cs = objt_cs(si->end); |
| 868 | struct connection *conn = srv_cs ? srv_cs->conn : objt_conn(si->end); |
Willy Tarreau | 7b8c4f9 | 2014-11-28 15:15:44 +0100 | [diff] [blame] | 869 | struct channel *req = &s->req; |
| 870 | struct channel *rep = &s->res; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 871 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 872 | DBG_TRACE_ENTER(STRM_EV_STRM_PROC|STRM_EV_SI_ST, s); |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 873 | /* First, centralize the timers information, and clear any irrelevant |
| 874 | * timeout. |
| 875 | */ |
Willy Tarreau | 0e37f1c | 2013-12-31 23:06:46 +0100 | [diff] [blame] | 876 | s->logs.t_connect = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 877 | si->exp = TICK_ETERNITY; |
| 878 | si->flags &= ~SI_FL_EXP; |
| 879 | |
| 880 | /* errors faced after sending data need to be reported */ |
| 881 | if (si->flags & SI_FL_ERR && req->flags & CF_WROTE_DATA) { |
| 882 | /* Don't add CF_WRITE_ERROR if we're here because |
| 883 | * early data were rejected by the server, or |
| 884 | * http_wait_for_response() will never be called |
| 885 | * to send a 425. |
| 886 | */ |
| 887 | if (conn && conn->err_code != CO_ER_SSL_EARLY_FAILED) |
| 888 | req->flags |= CF_WRITE_ERROR; |
| 889 | rep->flags |= CF_READ_ERROR; |
| 890 | si->err_type = SI_ET_DATA_ERR; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 891 | DBG_TRACE_STATE("read/write error", STRM_EV_STRM_PROC|STRM_EV_SI_ST|STRM_EV_STRM_ERR, s); |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 892 | } |
| 893 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 894 | if (objt_server(s->target)) |
| 895 | health_adjust(objt_server(s->target), HANA_STATUS_L4_OK); |
Krzysztof Piotr Oledzki | 97f07b8 | 2009-12-15 22:31:24 +0100 | [diff] [blame] | 896 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 897 | if (s->be->mode == PR_MODE_TCP) { /* let's allow immediate data connection in this case */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 898 | /* if the user wants to log as soon as possible, without counting |
| 899 | * bytes from the server, then this is the right moment. */ |
Willy Tarreau | d0d8da9 | 2015-04-04 02:10:38 +0200 | [diff] [blame] | 900 | if (!LIST_ISEMPTY(&strm_fe(s)->logformat) && !(s->logs.logwait & LW_BYTES)) { |
Willy Tarreau | 66425e3 | 2018-07-25 06:55:12 +0200 | [diff] [blame] | 901 | /* note: no pend_pos here, session is established */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 902 | s->logs.t_close = s->logs.t_connect; /* to get a valid end date */ |
Willy Tarreau | a5555ec | 2008-11-30 19:02:32 +0100 | [diff] [blame] | 903 | s->do_log(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 904 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 905 | } |
| 906 | else { |
Willy Tarreau | d81ca04 | 2013-12-31 22:33:13 +0100 | [diff] [blame] | 907 | rep->flags |= CF_READ_DONTWAIT; /* a single read is enough to get response headers */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 908 | } |
| 909 | |
Willy Tarreau | 0007d0a | 2018-12-11 18:01:38 +0100 | [diff] [blame] | 910 | rep->analysers |= strm_fe(s)->fe_rsp_ana | s->be->be_rsp_ana; |
Christopher Faulet | 309c641 | 2015-12-02 09:57:32 +0100 | [diff] [blame] | 911 | |
Willy Tarreau | 0007d0a | 2018-12-11 18:01:38 +0100 | [diff] [blame] | 912 | /* Be sure to filter response headers if the backend is an HTTP proxy |
| 913 | * and if there are filters attached to the stream. */ |
| 914 | if (s->be->mode == PR_MODE_HTTP && HAS_FILTERS(s)) |
| 915 | rep->analysers |= AN_RES_FLT_HTTP_HDRS; |
Christopher Faulet | 309c641 | 2015-12-02 09:57:32 +0100 | [diff] [blame] | 916 | |
Willy Tarreau | 8bb2ffb | 2018-11-14 17:54:13 +0100 | [diff] [blame] | 917 | si_rx_endp_more(si); |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 918 | rep->flags |= CF_READ_ATTACHED; /* producer is now attached */ |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 919 | if (objt_cs(si->end)) { |
Willy Tarreau | d04e858 | 2010-05-31 12:31:35 +0200 | [diff] [blame] | 920 | /* real connections have timeouts */ |
| 921 | req->wto = s->be->timeout.server; |
| 922 | rep->rto = s->be->timeout.server; |
Olivier Houchard | 47e9a1a | 2018-11-07 17:55:19 +0100 | [diff] [blame] | 923 | /* The connection is now established, try to read data from the |
| 924 | * underlying layer, and subscribe to recv events. We use a |
| 925 | * delayed recv here to give a chance to the data to flow back |
| 926 | * by the time we process other tasks. |
| 927 | */ |
| 928 | si_chk_rcv(si); |
Willy Tarreau | d04e858 | 2010-05-31 12:31:35 +0200 | [diff] [blame] | 929 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 930 | req->wex = TICK_ETERNITY; |
Olivier Houchard | 7859526 | 2019-07-26 14:54:34 +0200 | [diff] [blame] | 931 | /* If we managed to get the whole response, and we don't have anything |
| 932 | * left to send, or can't, switch to SI_ST_DIS now. */ |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 933 | if (rep->flags & (CF_SHUTR | CF_SHUTW)) { |
Olivier Houchard | aacc405 | 2019-05-21 17:43:50 +0200 | [diff] [blame] | 934 | si->state = SI_ST_DIS; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 935 | DBG_TRACE_STATE("response channel shutdwn for read/write", STRM_EV_STRM_PROC|STRM_EV_SI_ST|STRM_EV_STRM_ERR, s); |
| 936 | } |
| 937 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 938 | DBG_TRACE_LEAVE(STRM_EV_STRM_PROC|STRM_EV_SI_ST, s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 939 | } |
| 940 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 941 | /* Set correct stream termination flags in case no analyser has done it. It |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 942 | * also counts a failed request if the server state has not reached the request |
| 943 | * stage. |
| 944 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 945 | static void sess_set_term_flags(struct stream *s) |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 946 | { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 947 | if (!(s->flags & SF_FINST_MASK)) { |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 948 | if (s->si[1].state == SI_ST_INI) { |
| 949 | /* anything before REQ in fact */ |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 950 | _HA_ATOMIC_ADD(&strm_fe(s)->fe_counters.failed_req, 1); |
Willy Tarreau | 2c1068c | 2015-09-23 12:21:21 +0200 | [diff] [blame] | 951 | if (strm_li(s) && strm_li(s)->counters) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 952 | _HA_ATOMIC_ADD(&strm_li(s)->counters->failed_req, 1); |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 953 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 954 | s->flags |= SF_FINST_R; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 955 | } |
| 956 | else if (s->si[1].state == SI_ST_QUE) |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 957 | s->flags |= SF_FINST_Q; |
Willy Tarreau | 4f283fa | 2019-06-05 14:34:03 +0200 | [diff] [blame] | 958 | 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 Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 959 | s->flags |= SF_FINST_C; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 960 | else if (s->si[1].state == SI_ST_EST || s->si[1].prev_state == SI_ST_EST) |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 961 | s->flags |= SF_FINST_D; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 962 | else |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 963 | s->flags |= SF_FINST_L; |
Simon Horman | dec5be4 | 2011-06-08 09:19:07 +0900 | [diff] [blame] | 964 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 965 | } |
| 966 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 967 | /* This function parses the use-service action ruleset. It executes |
| 968 | * the associated ACL and set an applet as a stream or txn final node. |
| 969 | * it returns ACT_RET_ERR if an error occurs, the proxy left in |
| 970 | * consistent state. It returns ACT_RET_STOP in succes case because |
| 971 | * use-service must be a terminal action. Returns ACT_RET_YIELD |
| 972 | * if the initialisation function require more data. |
| 973 | */ |
| 974 | enum act_return process_use_service(struct act_rule *rule, struct proxy *px, |
| 975 | struct session *sess, struct stream *s, int flags) |
| 976 | |
| 977 | { |
| 978 | struct appctx *appctx; |
| 979 | |
| 980 | /* Initialises the applet if it is required. */ |
Christopher Faulet | 105ba6c | 2019-12-18 14:41:51 +0100 | [diff] [blame] | 981 | if (flags & ACT_OPT_FIRST) { |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 982 | /* Register applet. this function schedules the applet. */ |
| 983 | s->target = &rule->applet.obj_type; |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 984 | if (unlikely(!si_register_handler(&s->si[1], objt_applet(s->target)))) |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 985 | return ACT_RET_ERR; |
| 986 | |
| 987 | /* Initialise the context. */ |
| 988 | appctx = si_appctx(&s->si[1]); |
| 989 | memset(&appctx->ctx, 0, sizeof(appctx->ctx)); |
| 990 | appctx->rule = rule; |
| 991 | } |
| 992 | else |
| 993 | appctx = si_appctx(&s->si[1]); |
| 994 | |
| 995 | /* Stops the applet sheduling, in case of the init function miss |
| 996 | * some data. |
| 997 | */ |
Willy Tarreau | 0cd3bd6 | 2018-11-06 18:46:37 +0100 | [diff] [blame] | 998 | si_stop_get(&s->si[1]); |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 999 | |
| 1000 | /* Call initialisation. */ |
| 1001 | if (rule->applet.init) |
| 1002 | switch (rule->applet.init(appctx, px, s)) { |
| 1003 | case 0: return ACT_RET_ERR; |
| 1004 | case 1: break; |
| 1005 | default: return ACT_RET_YIELD; |
| 1006 | } |
| 1007 | |
Christopher Faulet | 2571bc6 | 2019-03-01 11:44:26 +0100 | [diff] [blame] | 1008 | if (rule->from != ACT_F_HTTP_REQ) { |
| 1009 | if (sess->fe == s->be) /* report it if the request was intercepted by the frontend */ |
| 1010 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.intercepted_req, 1); |
| 1011 | |
| 1012 | /* The flag SF_ASSIGNED prevent from server assignment. */ |
| 1013 | s->flags |= SF_ASSIGNED; |
| 1014 | } |
| 1015 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 1016 | /* Now we can schedule the applet. */ |
Willy Tarreau | 0cd3bd6 | 2018-11-06 18:46:37 +0100 | [diff] [blame] | 1017 | si_cant_get(&s->si[1]); |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 1018 | appctx_wakeup(appctx); |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 1019 | return ACT_RET_STOP; |
| 1020 | } |
| 1021 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1022 | /* This stream analyser checks the switching rules and changes the backend |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1023 | * if appropriate. The default_backend rule is also considered, then the |
| 1024 | * target backend's forced persistence rules are also evaluated last if any. |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1025 | * It returns 1 if the processing can continue on next analysers, or zero if it |
| 1026 | * either needs more data or wants to immediately abort the request. |
| 1027 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1028 | static int process_switching_rules(struct stream *s, struct channel *req, int an_bit) |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1029 | { |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1030 | struct persist_rule *prst_rule; |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1031 | struct session *sess = s->sess; |
| 1032 | struct proxy *fe = sess->fe; |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1033 | |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1034 | req->analysers &= ~an_bit; |
| 1035 | req->analyse_exp = TICK_ETERNITY; |
| 1036 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1037 | DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1038 | |
| 1039 | /* now check whether we have some switching rules for this request */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1040 | if (!(s->flags & SF_BE_ASSIGNED)) { |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1041 | struct switching_rule *rule; |
| 1042 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1043 | list_for_each_entry(rule, &fe->switching_rules, list) { |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1044 | int ret = 1; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1045 | |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1046 | if (rule->cond) { |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1047 | ret = acl_exec_cond(rule->cond, fe, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 1048 | ret = acl_pass(ret); |
| 1049 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1050 | ret = !ret; |
| 1051 | } |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1052 | |
| 1053 | if (ret) { |
Bertrand Jacquin | 702d44f | 2013-11-19 11:43:06 +0100 | [diff] [blame] | 1054 | /* If the backend name is dynamic, try to resolve the name. |
| 1055 | * If we can't resolve the name, or if any error occurs, break |
| 1056 | * the loop and fallback to the default backend. |
| 1057 | */ |
Dragan Dosen | 2ae327e | 2017-10-26 11:25:10 +0200 | [diff] [blame] | 1058 | struct proxy *backend = NULL; |
Bertrand Jacquin | 702d44f | 2013-11-19 11:43:06 +0100 | [diff] [blame] | 1059 | |
| 1060 | if (rule->dynamic) { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1061 | struct buffer *tmp; |
Dragan Dosen | 2ae327e | 2017-10-26 11:25:10 +0200 | [diff] [blame] | 1062 | |
| 1063 | tmp = alloc_trash_chunk(); |
| 1064 | if (!tmp) |
| 1065 | goto sw_failed; |
| 1066 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1067 | if (build_logline(s, tmp->area, tmp->size, &rule->be.expr)) |
| 1068 | backend = proxy_be_by_name(tmp->area); |
Dragan Dosen | 2ae327e | 2017-10-26 11:25:10 +0200 | [diff] [blame] | 1069 | |
| 1070 | free_trash_chunk(tmp); |
| 1071 | tmp = NULL; |
| 1072 | |
Bertrand Jacquin | 702d44f | 2013-11-19 11:43:06 +0100 | [diff] [blame] | 1073 | if (!backend) |
| 1074 | break; |
| 1075 | } |
| 1076 | else |
| 1077 | backend = rule->be.backend; |
| 1078 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1079 | if (!stream_set_backend(s, backend)) |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1080 | goto sw_failed; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1081 | break; |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | /* To ensure correct connection accounting on the backend, we |
| 1086 | * have to assign one if it was not set (eg: a listen). This |
| 1087 | * measure also takes care of correctly setting the default |
| 1088 | * backend if any. |
| 1089 | */ |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1090 | if (!(s->flags & SF_BE_ASSIGNED)) |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1091 | if (!stream_set_backend(s, fe->defbe.be ? fe->defbe.be : s->be)) |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1092 | goto sw_failed; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1093 | } |
| 1094 | |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 1095 | /* we don't want to run the TCP or HTTP filters again if the backend has not changed */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 1096 | if (fe == s->be) { |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1097 | s->req.analysers &= ~AN_REQ_INSPECT_BE; |
| 1098 | s->req.analysers &= ~AN_REQ_HTTP_PROCESS_BE; |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1099 | s->req.analysers &= ~AN_REQ_FLT_START_BE; |
Willy Tarreau | fb35620 | 2010-08-03 14:02:05 +0200 | [diff] [blame] | 1100 | } |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1101 | |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1102 | /* as soon as we know the backend, we must check if we have a matching forced or ignored |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1103 | * persistence rule, and report that in the stream. |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1104 | */ |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1105 | list_for_each_entry(prst_rule, &s->be->persist_rules, list) { |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1106 | int ret = 1; |
| 1107 | |
| 1108 | if (prst_rule->cond) { |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1109 | ret = acl_exec_cond(prst_rule->cond, s->be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1110 | ret = acl_pass(ret); |
| 1111 | if (prst_rule->cond->pol == ACL_COND_UNLESS) |
| 1112 | ret = !ret; |
| 1113 | } |
| 1114 | |
| 1115 | if (ret) { |
| 1116 | /* no rule, or the rule matches */ |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1117 | if (prst_rule->type == PERSIST_TYPE_FORCE) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1118 | s->flags |= SF_FORCE_PRST; |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1119 | } else { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1120 | s->flags |= SF_IGNORE_PRST; |
Cyril Bonté | 47fdd8e | 2010-04-25 00:00:51 +0200 | [diff] [blame] | 1121 | } |
Willy Tarreau | 4de9149 | 2010-01-22 19:10:05 +0100 | [diff] [blame] | 1122 | break; |
| 1123 | } |
| 1124 | } |
| 1125 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1126 | DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s); |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1127 | return 1; |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1128 | |
| 1129 | sw_failed: |
| 1130 | /* immediately abort this request in case of allocation failure */ |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1131 | channel_abort(&s->req); |
| 1132 | channel_abort(&s->res); |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1133 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1134 | if (!(s->flags & SF_ERR_MASK)) |
| 1135 | s->flags |= SF_ERR_RESOURCE; |
| 1136 | if (!(s->flags & SF_FINST_MASK)) |
| 1137 | s->flags |= SF_FINST_R; |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1138 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 1139 | if (s->txn) |
| 1140 | s->txn->status = 500; |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1141 | s->req.analysers &= AN_REQ_FLT_END; |
Willy Tarreau | 22ec1ea | 2014-11-27 20:45:39 +0100 | [diff] [blame] | 1142 | s->req.analyse_exp = TICK_ETERNITY; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1143 | DBG_TRACE_DEVEL("leaving on error", STRM_EV_STRM_ANA|STRM_EV_STRM_ERR, s); |
Willy Tarreau | bedb9ba | 2009-07-12 08:27:39 +0200 | [diff] [blame] | 1144 | return 0; |
Willy Tarreau | 1d0dfb1 | 2009-07-07 15:10:31 +0200 | [diff] [blame] | 1145 | } |
| 1146 | |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1147 | /* This stream analyser works on a request. It applies all use-server rules on |
| 1148 | * it then returns 1. The data must already be present in the buffer otherwise |
| 1149 | * they won't match. It always returns 1. |
| 1150 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1151 | static int process_server_rules(struct stream *s, struct channel *req, int an_bit) |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1152 | { |
| 1153 | struct proxy *px = s->be; |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1154 | struct session *sess = s->sess; |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1155 | struct server_rule *rule; |
| 1156 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1157 | DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1158 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1159 | if (!(s->flags & SF_ASSIGNED)) { |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1160 | list_for_each_entry(rule, &px->server_rules, list) { |
| 1161 | int ret; |
| 1162 | |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1163 | ret = acl_exec_cond(rule->cond, s->be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1164 | ret = acl_pass(ret); |
| 1165 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1166 | ret = !ret; |
| 1167 | |
| 1168 | if (ret) { |
| 1169 | struct server *srv = rule->srv.ptr; |
| 1170 | |
Emeric Brun | 52a91d3 | 2017-08-31 14:41:55 +0200 | [diff] [blame] | 1171 | if ((srv->cur_state != SRV_ST_STOPPED) || |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1172 | (px->options & PR_O_PERSIST) || |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1173 | (s->flags & SF_FORCE_PRST)) { |
| 1174 | s->flags |= SF_DIRECT | SF_ASSIGNED; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1175 | s->target = &srv->obj_type; |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1176 | break; |
| 1177 | } |
| 1178 | /* if the server is not UP, let's go on with next rules |
| 1179 | * just in case another one is suited. |
| 1180 | */ |
| 1181 | } |
| 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | req->analysers &= ~an_bit; |
| 1186 | req->analyse_exp = TICK_ETERNITY; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1187 | DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s); |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 1188 | return 1; |
| 1189 | } |
| 1190 | |
Frédéric Lécaille | 03cdf55 | 2019-05-20 10:08:27 +0200 | [diff] [blame] | 1191 | static inline void sticking_rule_find_target(struct stream *s, |
| 1192 | struct stktable *t, struct stksess *ts) |
| 1193 | { |
| 1194 | struct proxy *px = s->be; |
| 1195 | struct eb32_node *node; |
| 1196 | struct dict_entry *de; |
| 1197 | void *ptr; |
| 1198 | struct server *srv; |
| 1199 | |
| 1200 | /* Look for the server name previously stored in <t> stick-table */ |
| 1201 | HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &ts->lock); |
| 1202 | ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_NAME); |
| 1203 | de = stktable_data_cast(ptr, server_name); |
| 1204 | HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &ts->lock); |
| 1205 | |
| 1206 | if (de) { |
| 1207 | struct ebpt_node *name; |
| 1208 | |
| 1209 | name = ebis_lookup(&px->conf.used_server_name, de->value.key); |
| 1210 | if (name) { |
| 1211 | srv = container_of(name, struct server, conf.name); |
| 1212 | goto found; |
| 1213 | } |
| 1214 | } |
| 1215 | |
| 1216 | /* Look for the server ID */ |
| 1217 | HA_RWLOCK_RDLOCK(STK_SESS_LOCK, &ts->lock); |
| 1218 | ptr = __stktable_data_ptr(t, ts, STKTABLE_DT_SERVER_ID); |
| 1219 | node = eb32_lookup(&px->conf.used_server_id, stktable_data_cast(ptr, server_id)); |
| 1220 | HA_RWLOCK_RDUNLOCK(STK_SESS_LOCK, &ts->lock); |
| 1221 | |
| 1222 | if (!node) |
| 1223 | return; |
| 1224 | |
| 1225 | srv = container_of(node, struct server, conf.id); |
| 1226 | found: |
| 1227 | if ((srv->cur_state != SRV_ST_STOPPED) || |
| 1228 | (px->options & PR_O_PERSIST) || (s->flags & SF_FORCE_PRST)) { |
| 1229 | s->flags |= SF_DIRECT | SF_ASSIGNED; |
| 1230 | s->target = &srv->obj_type; |
| 1231 | } |
| 1232 | } |
| 1233 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1234 | /* This stream analyser works on a request. It applies all sticking rules on |
| 1235 | * it then returns 1. The data must already be present in the buffer otherwise |
| 1236 | * they won't match. It always returns 1. |
| 1237 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1238 | static int process_sticking_rules(struct stream *s, struct channel *req, int an_bit) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1239 | { |
| 1240 | struct proxy *px = s->be; |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1241 | struct session *sess = s->sess; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1242 | struct sticking_rule *rule; |
| 1243 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1244 | DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1245 | |
| 1246 | list_for_each_entry(rule, &px->sticking_rules, list) { |
| 1247 | int ret = 1 ; |
| 1248 | int i; |
| 1249 | |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1250 | /* Only the first stick store-request of each table is applied |
| 1251 | * and other ones are ignored. The purpose is to allow complex |
| 1252 | * configurations which look for multiple entries by decreasing |
| 1253 | * order of precision and to stop at the first which matches. |
| 1254 | * An example could be a store of the IP address from an HTTP |
| 1255 | * header first, then from the source if not found. |
| 1256 | */ |
Jerome Magnin | bee00ad | 2020-01-16 17:37:21 +0100 | [diff] [blame] | 1257 | if (rule->flags & STK_IS_STORE) { |
| 1258 | for (i = 0; i < s->store_count; i++) { |
| 1259 | if (rule->table.t == s->store[i].table) |
| 1260 | break; |
| 1261 | } |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1262 | |
Jerome Magnin | bee00ad | 2020-01-16 17:37:21 +0100 | [diff] [blame] | 1263 | if (i != s->store_count) |
| 1264 | continue; |
| 1265 | } |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1266 | |
| 1267 | if (rule->cond) { |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1268 | ret = acl_exec_cond(rule->cond, px, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1269 | ret = acl_pass(ret); |
| 1270 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1271 | ret = !ret; |
| 1272 | } |
| 1273 | |
| 1274 | if (ret) { |
| 1275 | struct stktable_key *key; |
| 1276 | |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1277 | key = stktable_fetch_key(rule->table.t, px, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, rule->expr, NULL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1278 | if (!key) |
| 1279 | continue; |
| 1280 | |
| 1281 | if (rule->flags & STK_IS_MATCH) { |
| 1282 | struct stksess *ts; |
| 1283 | |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1284 | if ((ts = stktable_lookup_key(rule->table.t, key)) != NULL) { |
Frédéric Lécaille | 03cdf55 | 2019-05-20 10:08:27 +0200 | [diff] [blame] | 1285 | if (!(s->flags & SF_ASSIGNED)) |
| 1286 | sticking_rule_find_target(s, rule->table.t, ts); |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 1287 | stktable_touch_local(rule->table.t, ts, 1); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1288 | } |
| 1289 | } |
| 1290 | if (rule->flags & STK_IS_STORE) { |
| 1291 | if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) { |
| 1292 | struct stksess *ts; |
| 1293 | |
| 1294 | ts = stksess_new(rule->table.t, key); |
| 1295 | if (ts) { |
| 1296 | s->store[s->store_count].table = rule->table.t; |
| 1297 | s->store[s->store_count++].ts = ts; |
| 1298 | } |
| 1299 | } |
| 1300 | } |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | req->analysers &= ~an_bit; |
| 1305 | req->analyse_exp = TICK_ETERNITY; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1306 | DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1307 | return 1; |
| 1308 | } |
| 1309 | |
| 1310 | /* This stream analyser works on a response. It applies all store rules on it |
| 1311 | * then returns 1. The data must already be present in the buffer otherwise |
| 1312 | * they won't match. It always returns 1. |
| 1313 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1314 | static int process_store_rules(struct stream *s, struct channel *rep, int an_bit) |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1315 | { |
| 1316 | struct proxy *px = s->be; |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1317 | struct session *sess = s->sess; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1318 | struct sticking_rule *rule; |
| 1319 | int i; |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1320 | int nbreq = s->store_count; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1321 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1322 | DBG_TRACE_ENTER(STRM_EV_STRM_ANA, s); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1323 | |
| 1324 | list_for_each_entry(rule, &px->storersp_rules, list) { |
| 1325 | int ret = 1 ; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1326 | |
Willy Tarreau | 9667a80 | 2013-12-09 12:52:13 +0100 | [diff] [blame] | 1327 | /* Only the first stick store-response of each table is applied |
| 1328 | * and other ones are ignored. The purpose is to allow complex |
| 1329 | * configurations which look for multiple entries by decreasing |
| 1330 | * order of precision and to stop at the first which matches. |
| 1331 | * An example could be a store of a set-cookie value, with a |
| 1332 | * fallback to a parameter found in a 302 redirect. |
| 1333 | * |
| 1334 | * The store-response rules are not allowed to override the |
| 1335 | * store-request rules for the same table, but they may coexist. |
| 1336 | * Thus we can have up to one store-request entry and one store- |
| 1337 | * response entry for the same table at any time. |
| 1338 | */ |
| 1339 | for (i = nbreq; i < s->store_count; i++) { |
| 1340 | if (rule->table.t == s->store[i].table) |
| 1341 | break; |
| 1342 | } |
| 1343 | |
| 1344 | /* skip existing entries for this table */ |
| 1345 | if (i < s->store_count) |
| 1346 | continue; |
| 1347 | |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1348 | if (rule->cond) { |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1349 | ret = acl_exec_cond(rule->cond, px, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1350 | ret = acl_pass(ret); |
| 1351 | if (rule->cond->pol == ACL_COND_UNLESS) |
| 1352 | ret = !ret; |
| 1353 | } |
| 1354 | |
| 1355 | if (ret) { |
| 1356 | struct stktable_key *key; |
| 1357 | |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1358 | key = stktable_fetch_key(rule->table.t, px, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL, rule->expr, NULL); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1359 | if (!key) |
| 1360 | continue; |
| 1361 | |
Willy Tarreau | 37e340c | 2013-12-06 23:05:21 +0100 | [diff] [blame] | 1362 | if (s->store_count < (sizeof(s->store) / sizeof(s->store[0]))) { |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1363 | struct stksess *ts; |
| 1364 | |
| 1365 | ts = stksess_new(rule->table.t, key); |
| 1366 | if (ts) { |
| 1367 | s->store[s->store_count].table = rule->table.t; |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1368 | s->store[s->store_count++].ts = ts; |
| 1369 | } |
| 1370 | } |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | /* process store request and store response */ |
| 1375 | for (i = 0; i < s->store_count; i++) { |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1376 | struct stksess *ts; |
Willy Tarreau | 13c29de | 2010-06-06 16:40:39 +0200 | [diff] [blame] | 1377 | void *ptr; |
Frédéric Lécaille | 03cdf55 | 2019-05-20 10:08:27 +0200 | [diff] [blame] | 1378 | struct dict_entry *de; |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1379 | |
Willy Tarreau | c93cd16 | 2014-05-13 15:54:22 +0200 | [diff] [blame] | 1380 | if (objt_server(s->target) && objt_server(s->target)->flags & SRV_F_NON_STICK) { |
Simon Horman | fa46168 | 2011-06-25 09:39:49 +0900 | [diff] [blame] | 1381 | stksess_free(s->store[i].table, s->store[i].ts); |
| 1382 | s->store[i].ts = NULL; |
| 1383 | continue; |
| 1384 | } |
| 1385 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 1386 | ts = stktable_set_entry(s->store[i].table, s->store[i].ts); |
| 1387 | if (ts != s->store[i].ts) { |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1388 | /* the entry already existed, we can free ours */ |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1389 | stksess_free(s->store[i].table, s->store[i].ts); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1390 | } |
Willy Tarreau | f16d2b8 | 2010-06-06 15:38:59 +0200 | [diff] [blame] | 1391 | s->store[i].ts = NULL; |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 1392 | |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 1393 | HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock); |
Willy Tarreau | b8d42d0 | 2018-09-20 11:11:15 +0200 | [diff] [blame] | 1394 | ptr = __stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_ID); |
| 1395 | stktable_data_cast(ptr, server_id) = __objt_server(s->target)->puid; |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 1396 | HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock); |
Frédéric Lécaille | 03cdf55 | 2019-05-20 10:08:27 +0200 | [diff] [blame] | 1397 | |
| 1398 | HA_RWLOCK_WRLOCK(STK_SESS_LOCK, &ts->lock); |
| 1399 | de = dict_insert(&server_name_dict, __objt_server(s->target)->id); |
| 1400 | if (de) { |
| 1401 | ptr = __stktable_data_ptr(s->store[i].table, ts, STKTABLE_DT_SERVER_NAME); |
| 1402 | stktable_data_cast(ptr, server_name) = de; |
| 1403 | } |
| 1404 | HA_RWLOCK_WRUNLOCK(STK_SESS_LOCK, &ts->lock); |
| 1405 | |
Emeric Brun | 819fc6f | 2017-06-13 19:37:32 +0200 | [diff] [blame] | 1406 | stktable_touch_local(s->store[i].table, ts, 1); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1407 | } |
Willy Tarreau | 2a164ee | 2010-06-18 09:57:45 +0200 | [diff] [blame] | 1408 | s->store_count = 0; /* everything is stored */ |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1409 | |
| 1410 | rep->analysers &= ~an_bit; |
| 1411 | rep->analyse_exp = TICK_ETERNITY; |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1412 | |
| 1413 | DBG_TRACE_LEAVE(STRM_EV_STRM_ANA, s); |
Emeric Brun | 1d33b29 | 2010-01-04 15:47:17 +0100 | [diff] [blame] | 1414 | return 1; |
| 1415 | } |
| 1416 | |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1417 | /* This macro is very specific to the function below. See the comments in |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1418 | * process_stream() below to understand the logic and the tests. |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1419 | */ |
| 1420 | #define UPDATE_ANALYSERS(real, list, back, flag) { \ |
| 1421 | list = (((list) & ~(flag)) | ~(back)) & (real); \ |
| 1422 | back = real; \ |
| 1423 | if (!(list)) \ |
| 1424 | break; \ |
| 1425 | if (((list) ^ ((list) & ((list) - 1))) < (flag)) \ |
| 1426 | continue; \ |
| 1427 | } |
| 1428 | |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1429 | /* These 2 following macros call an analayzer for the specified channel if the |
| 1430 | * right flag is set. The first one is used for "filterable" analyzers. If a |
Christopher Faulet | 3a394fa | 2016-05-11 17:13:39 +0200 | [diff] [blame] | 1431 | * stream has some registered filters, pre and post analyaze callbacks are |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1432 | * called. The second are used for other analyzers (AN_REQ/RES_FLT_* and |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1433 | * AN_REQ/RES_HTTP_XFER_BODY) */ |
| 1434 | #define FLT_ANALYZE(strm, chn, fun, list, back, flag, ...) \ |
| 1435 | { \ |
| 1436 | if ((list) & (flag)) { \ |
| 1437 | if (HAS_FILTERS(strm)) { \ |
Christopher Faulet | 3a394fa | 2016-05-11 17:13:39 +0200 | [diff] [blame] | 1438 | if (!flt_pre_analyze((strm), (chn), (flag))) \ |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1439 | break; \ |
| 1440 | if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \ |
| 1441 | break; \ |
Christopher Faulet | 3a394fa | 2016-05-11 17:13:39 +0200 | [diff] [blame] | 1442 | if (!flt_post_analyze((strm), (chn), (flag))) \ |
| 1443 | break; \ |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1444 | } \ |
| 1445 | else { \ |
| 1446 | if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \ |
| 1447 | break; \ |
| 1448 | } \ |
| 1449 | UPDATE_ANALYSERS((chn)->analysers, (list), \ |
| 1450 | (back), (flag)); \ |
| 1451 | } \ |
| 1452 | } |
| 1453 | |
| 1454 | #define ANALYZE(strm, chn, fun, list, back, flag, ...) \ |
| 1455 | { \ |
| 1456 | if ((list) & (flag)) { \ |
| 1457 | if (!fun((strm), (chn), (flag), ##__VA_ARGS__)) \ |
| 1458 | break; \ |
| 1459 | UPDATE_ANALYSERS((chn)->analysers, (list), \ |
| 1460 | (back), (flag)); \ |
| 1461 | } \ |
| 1462 | } |
| 1463 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1464 | /* Processes the client, server, request and response jobs of a stream task, |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1465 | * then puts it back to the wait queue in a clean state, or cleans up its |
| 1466 | * resources if it must be deleted. Returns in <next> the date the task wants |
| 1467 | * to be woken up, or TICK_ETERNITY. In order not to call all functions for |
| 1468 | * nothing too many times, the request and response buffers flags are monitored |
| 1469 | * and each function is called only if at least another function has changed at |
| 1470 | * least one flag it is interested in. |
| 1471 | */ |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 1472 | struct task *process_stream(struct task *t, void *context, unsigned short state) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1473 | { |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1474 | struct server *srv; |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 1475 | struct stream *s = context; |
Willy Tarreau | fb0afa7 | 2015-04-03 14:46:27 +0200 | [diff] [blame] | 1476 | struct session *sess = s->sess; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1477 | unsigned int rqf_last, rpf_last; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1478 | unsigned int rq_prod_last, rq_cons_last; |
| 1479 | unsigned int rp_cons_last, rp_prod_last; |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1480 | unsigned int req_ana_back; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1481 | struct channel *req, *res; |
| 1482 | struct stream_interface *si_f, *si_b; |
Willy Tarreau | 3d07a16 | 2019-04-25 19:15:20 +0200 | [diff] [blame] | 1483 | unsigned int rate; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1484 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1485 | DBG_TRACE_ENTER(STRM_EV_STRM_PROC, s); |
| 1486 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1487 | activity[tid].stream++; |
| 1488 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1489 | req = &s->req; |
| 1490 | res = &s->res; |
| 1491 | |
| 1492 | si_f = &s->si[0]; |
| 1493 | si_b = &s->si[1]; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1494 | |
Willy Tarreau | 0f8d3ab | 2018-10-25 10:42:39 +0200 | [diff] [blame] | 1495 | /* First, attempt to receive pending data from I/O layers */ |
Willy Tarreau | ade6478 | 2018-11-17 19:51:07 +0100 | [diff] [blame] | 1496 | si_sync_recv(si_f); |
| 1497 | si_sync_recv(si_b); |
Willy Tarreau | 0f8d3ab | 2018-10-25 10:42:39 +0200 | [diff] [blame] | 1498 | |
Willy Tarreau | 3d07a16 | 2019-04-25 19:15:20 +0200 | [diff] [blame] | 1499 | rate = update_freq_ctr(&s->call_rate, 1); |
| 1500 | if (rate >= 100000 && s->call_rate.prev_ctr) { // make sure to wait at least a full second |
| 1501 | stream_dump_and_crash(&s->obj_type, read_freq_ctr(&s->call_rate)); |
| 1502 | } |
Olivier Houchard | c2aa711 | 2018-09-11 18:27:21 +0200 | [diff] [blame] | 1503 | |
Krzysztof Piotr Oledzki | f9423ae | 2010-01-29 19:26:18 +0100 | [diff] [blame] | 1504 | /* this data may be no longer valid, clear it */ |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 1505 | if (s->txn) |
| 1506 | memset(&s->txn->auth, 0, sizeof(s->txn->auth)); |
Krzysztof Piotr Oledzki | f9423ae | 2010-01-29 19:26:18 +0100 | [diff] [blame] | 1507 | |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 1508 | /* This flag must explicitly be set every time */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1509 | req->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE); |
| 1510 | res->flags &= ~(CF_READ_NOEXP|CF_WAKE_WRITE); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1511 | |
| 1512 | /* Keep a copy of req/rep flags so that we can detect shutdowns */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1513 | rqf_last = req->flags & ~CF_MASK_ANALYSER; |
| 1514 | rpf_last = res->flags & ~CF_MASK_ANALYSER; |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1515 | |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 1516 | /* we don't want the stream interface functions to recursively wake us up */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1517 | si_f->flags |= SI_FL_DONT_WAKE; |
| 1518 | si_b->flags |= SI_FL_DONT_WAKE; |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 1519 | |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1520 | /* update pending events */ |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 1521 | s->pending_events |= (state & TASK_WOKEN_ANY); |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1522 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1523 | /* 1a: Check for low level timeouts if needed. We just set a flag on |
| 1524 | * stream interfaces when their timeouts have expired. |
| 1525 | */ |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1526 | if (unlikely(s->pending_events & TASK_WOKEN_TIMER)) { |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 1527 | si_check_timeouts(si_f); |
| 1528 | si_check_timeouts(si_b); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1529 | |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 1530 | /* check channel timeouts, and close the corresponding stream interfaces |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1531 | * for future reads or writes. Note: this will also concern upper layers |
| 1532 | * but we do not touch any other flag. We must be careful and correctly |
| 1533 | * detect state changes when calling them. |
| 1534 | */ |
| 1535 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1536 | channel_check_timeouts(req); |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1537 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1538 | if (unlikely((req->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) { |
| 1539 | si_b->flags |= SI_FL_NOLINGER; |
| 1540 | si_shutw(si_b); |
Willy Tarreau | 1464140 | 2009-12-29 14:49:56 +0100 | [diff] [blame] | 1541 | } |
| 1542 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1543 | if (unlikely((req->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) { |
| 1544 | if (si_f->flags & SI_FL_NOHALF) |
| 1545 | si_f->flags |= SI_FL_NOLINGER; |
| 1546 | si_shutr(si_f); |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 1547 | } |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1548 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1549 | channel_check_timeouts(res); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1550 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1551 | if (unlikely((res->flags & (CF_SHUTW|CF_WRITE_TIMEOUT)) == CF_WRITE_TIMEOUT)) { |
| 1552 | si_f->flags |= SI_FL_NOLINGER; |
| 1553 | si_shutw(si_f); |
Willy Tarreau | 1464140 | 2009-12-29 14:49:56 +0100 | [diff] [blame] | 1554 | } |
| 1555 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1556 | if (unlikely((res->flags & (CF_SHUTR|CF_READ_TIMEOUT)) == CF_READ_TIMEOUT)) { |
| 1557 | if (si_b->flags & SI_FL_NOHALF) |
| 1558 | si_b->flags |= SI_FL_NOLINGER; |
| 1559 | si_shutr(si_b); |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 1560 | } |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1561 | |
Christopher Faulet | a00d817 | 2016-11-10 14:58:05 +0100 | [diff] [blame] | 1562 | if (HAS_FILTERS(s)) |
| 1563 | flt_stream_check_timeouts(s); |
| 1564 | |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1565 | /* Once in a while we're woken up because the task expires. But |
| 1566 | * this does not necessarily mean that a timeout has been reached. |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1567 | * So let's not run a whole stream processing if only an expiration |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1568 | * timeout needs to be refreshed. |
| 1569 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1570 | if (!((req->flags | res->flags) & |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1571 | (CF_SHUTR|CF_READ_ACTIVITY|CF_READ_TIMEOUT|CF_SHUTW| |
Willy Tarreau | ede3d88 | 2018-10-24 17:17:56 +0200 | [diff] [blame] | 1572 | CF_WRITE_ACTIVITY|CF_WRITE_TIMEOUT|CF_ANA_TIMEOUT)) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1573 | !((si_f->flags | si_b->flags) & (SI_FL_EXP|SI_FL_ERR)) && |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1574 | ((s->pending_events & TASK_WOKEN_ANY) == TASK_WOKEN_TIMER)) { |
Willy Tarreau | 5fb0471 | 2016-05-04 10:18:37 +0200 | [diff] [blame] | 1575 | si_f->flags &= ~SI_FL_DONT_WAKE; |
| 1576 | si_b->flags &= ~SI_FL_DONT_WAKE; |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 1577 | goto update_exp_and_leave; |
Willy Tarreau | 5fb0471 | 2016-05-04 10:18:37 +0200 | [diff] [blame] | 1578 | } |
Willy Tarreau | b67a9b8 | 2009-06-21 22:03:51 +0200 | [diff] [blame] | 1579 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1580 | |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 1581 | resync_stream_interface: |
Willy Tarreau | 10fc09e | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 1582 | /* below we may emit error messages so we have to ensure that we have |
| 1583 | * our buffers properly allocated. |
| 1584 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1585 | if (!stream_alloc_work_buffer(s)) { |
Willy Tarreau | 10fc09e | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 1586 | /* No buffer available, we've been subscribed to the list of |
| 1587 | * buffer waiters, let's wait for our turn. |
| 1588 | */ |
Willy Tarreau | 5fb0471 | 2016-05-04 10:18:37 +0200 | [diff] [blame] | 1589 | si_f->flags &= ~SI_FL_DONT_WAKE; |
| 1590 | si_b->flags &= ~SI_FL_DONT_WAKE; |
Willy Tarreau | 10fc09e | 2014-11-25 19:46:36 +0100 | [diff] [blame] | 1591 | goto update_exp_and_leave; |
| 1592 | } |
| 1593 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1594 | /* 1b: check for low-level errors reported at the stream interface. |
| 1595 | * First we check if it's a retryable error (in which case we don't |
| 1596 | * want to tell the buffer). Otherwise we report the error one level |
| 1597 | * upper by setting flags into the buffers. Note that the side towards |
| 1598 | * the client cannot have connect (hence retryable) errors. Also, the |
| 1599 | * connection setup code must be able to deal with any type of abort. |
| 1600 | */ |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1601 | srv = objt_server(s->target); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1602 | if (unlikely(si_f->flags & SI_FL_ERR)) { |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 1603 | if (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1604 | si_shutr(si_f); |
| 1605 | si_shutw(si_f); |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 1606 | si_report_error(si_f); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1607 | if (!(req->analysers) && !(res->analysers)) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1608 | _HA_ATOMIC_ADD(&s->be->be_counters.cli_aborts, 1); |
| 1609 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.cli_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1610 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1611 | _HA_ATOMIC_ADD(&sess->listener->counters->cli_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1612 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1613 | _HA_ATOMIC_ADD(&srv->counters.cli_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1614 | if (!(s->flags & SF_ERR_MASK)) |
| 1615 | s->flags |= SF_ERR_CLICL; |
| 1616 | if (!(s->flags & SF_FINST_MASK)) |
| 1617 | s->flags |= SF_FINST_D; |
Willy Tarreau | 05cb29b | 2008-12-14 11:44:04 +0100 | [diff] [blame] | 1618 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1619 | } |
| 1620 | } |
| 1621 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1622 | if (unlikely(si_b->flags & SI_FL_ERR)) { |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 1623 | if (si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1624 | si_shutr(si_b); |
| 1625 | si_shutw(si_b); |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 1626 | si_report_error(si_b); |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1627 | _HA_ATOMIC_ADD(&s->be->be_counters.failed_resp, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1628 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1629 | _HA_ATOMIC_ADD(&srv->counters.failed_resp, 1); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1630 | if (!(req->analysers) && !(res->analysers)) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1631 | _HA_ATOMIC_ADD(&s->be->be_counters.srv_aborts, 1); |
| 1632 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.srv_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1633 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1634 | _HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1635 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1636 | _HA_ATOMIC_ADD(&srv->counters.srv_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1637 | if (!(s->flags & SF_ERR_MASK)) |
| 1638 | s->flags |= SF_ERR_SRVCL; |
| 1639 | if (!(s->flags & SF_FINST_MASK)) |
| 1640 | s->flags |= SF_FINST_D; |
Willy Tarreau | 05cb29b | 2008-12-14 11:44:04 +0100 | [diff] [blame] | 1641 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1642 | } |
| 1643 | /* note: maybe we should process connection errors here ? */ |
| 1644 | } |
| 1645 | |
Willy Tarreau | 4f283fa | 2019-06-05 14:34:03 +0200 | [diff] [blame] | 1646 | if (si_state_in(si_b->state, SI_SB_CON|SI_SB_RDY)) { |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1647 | /* we were trying to establish a connection on the server side, |
| 1648 | * maybe it succeeded, maybe it failed, maybe we timed out, ... |
| 1649 | */ |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 1650 | if (si_b->state == SI_ST_RDY) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 1651 | back_handle_st_rdy(s); |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 1652 | else if (si_b->state == SI_ST_CON) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 1653 | back_handle_st_con(s); |
Willy Tarreau | d66ed88 | 2019-06-05 18:02:04 +0200 | [diff] [blame] | 1654 | |
| 1655 | if (si_b->state == SI_ST_CER) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 1656 | back_handle_st_cer(s); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1657 | else if (si_b->state == SI_ST_EST) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 1658 | back_establish(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1659 | |
| 1660 | /* state is now one of SI_ST_CON (still in progress), SI_ST_EST |
| 1661 | * (established), SI_ST_DIS (abort), SI_ST_CLO (last error), |
| 1662 | * SI_ST_ASS/SI_ST_TAR/SI_ST_REQ for retryable errors. |
| 1663 | */ |
| 1664 | } |
| 1665 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1666 | rq_prod_last = si_f->state; |
| 1667 | rq_cons_last = si_b->state; |
| 1668 | rp_cons_last = si_f->state; |
| 1669 | rp_prod_last = si_b->state; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1670 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1671 | /* Check for connection closure */ |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 1672 | DBG_TRACE_POINT(STRM_EV_STRM_PROC, s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1673 | |
| 1674 | /* nothing special to be done on client side */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1675 | if (unlikely(si_f->state == SI_ST_DIS)) |
| 1676 | si_f->state = SI_ST_CLO; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1677 | |
| 1678 | /* When a server-side connection is released, we have to count it and |
| 1679 | * check for pending connections on this server. |
| 1680 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1681 | if (unlikely(si_b->state == SI_ST_DIS)) { |
| 1682 | si_b->state = SI_ST_CLO; |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1683 | srv = objt_server(s->target); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1684 | if (srv) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1685 | if (s->flags & SF_CURR_SESS) { |
| 1686 | s->flags &= ~SF_CURR_SESS; |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1687 | _HA_ATOMIC_SUB(&srv->cur_sess, 1); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1688 | } |
| 1689 | sess_change_server(s, NULL); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1690 | if (may_dequeue_tasks(srv, s->be)) |
| 1691 | process_srv_queue(srv); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1692 | } |
| 1693 | } |
| 1694 | |
| 1695 | /* |
| 1696 | * Note: of the transient states (REQ, CER, DIS), only REQ may remain |
| 1697 | * at this point. |
| 1698 | */ |
| 1699 | |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 1700 | resync_request: |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1701 | /* Analyse request */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1702 | if (((req->flags & ~rqf_last) & CF_MASK_ANALYSER) || |
| 1703 | ((req->flags ^ rqf_last) & CF_MASK_STATIC) || |
Willy Tarreau | 33982cb | 2017-11-20 15:37:13 +0100 | [diff] [blame] | 1704 | (req->analysers && (req->flags & CF_SHUTW)) || |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1705 | si_f->state != rq_prod_last || |
| 1706 | si_b->state != rq_cons_last || |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1707 | s->pending_events & TASK_WOKEN_MSG) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1708 | unsigned int flags = req->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1709 | |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 1710 | if (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) { |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1711 | int max_loops = global.tune.maxpollevents; |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1712 | unsigned int ana_list; |
| 1713 | unsigned int ana_back; |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1714 | |
Willy Tarreau | 90deb18 | 2010-01-07 00:20:41 +0100 | [diff] [blame] | 1715 | /* it's up to the analysers to stop new connections, |
| 1716 | * disable reading or closing. Note: if an analyser |
| 1717 | * disables any of these bits, it is responsible for |
| 1718 | * enabling them again when it disables itself, so |
| 1719 | * that other analysers are called in similar conditions. |
| 1720 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1721 | channel_auto_read(req); |
| 1722 | channel_auto_connect(req); |
| 1723 | channel_auto_close(req); |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 1724 | |
| 1725 | /* We will call all analysers for which a bit is set in |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1726 | * req->analysers, following the bit order from LSB |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 1727 | * to MSB. The analysers must remove themselves from |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1728 | * the list when not needed. Any analyser may return 0 |
| 1729 | * to break out of the loop, either because of missing |
| 1730 | * data to take a decision, or because it decides to |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1731 | * kill the stream. We loop at least once through each |
Willy Tarreau | 1a52dbd | 2009-06-28 19:37:53 +0200 | [diff] [blame] | 1732 | * analyser, and we may loop again if other analysers |
| 1733 | * are added in the middle. |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1734 | * |
| 1735 | * We build a list of analysers to run. We evaluate all |
| 1736 | * of these analysers in the order of the lower bit to |
| 1737 | * the higher bit. This ordering is very important. |
| 1738 | * An analyser will often add/remove other analysers, |
| 1739 | * including itself. Any changes to itself have no effect |
| 1740 | * on the loop. If it removes any other analysers, we |
| 1741 | * want those analysers not to be called anymore during |
| 1742 | * this loop. If it adds an analyser that is located |
| 1743 | * after itself, we want it to be scheduled for being |
| 1744 | * processed during the loop. If it adds an analyser |
| 1745 | * which is located before it, we want it to switch to |
| 1746 | * it immediately, even if it has already been called |
| 1747 | * once but removed since. |
| 1748 | * |
| 1749 | * In order to achieve this, we compare the analyser |
| 1750 | * list after the call with a copy of it before the |
| 1751 | * call. The work list is fed with analyser bits that |
| 1752 | * appeared during the call. Then we compare previous |
| 1753 | * work list with the new one, and check the bits that |
| 1754 | * appeared. If the lowest of these bits is lower than |
| 1755 | * the current bit, it means we have enabled a previous |
| 1756 | * analyser and must immediately loop again. |
Willy Tarreau | edcf668 | 2008-11-30 23:15:34 +0100 | [diff] [blame] | 1757 | */ |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1758 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1759 | ana_list = ana_back = req->analysers; |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1760 | while (ana_list && max_loops--) { |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1761 | /* Warning! ensure that analysers are always placed in ascending order! */ |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1762 | ANALYZE (s, req, flt_start_analyze, ana_list, ana_back, AN_REQ_FLT_START_FE); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1763 | FLT_ANALYZE(s, req, tcp_inspect_request, ana_list, ana_back, AN_REQ_INSPECT_FE); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1764 | FLT_ANALYZE(s, req, http_wait_for_request, ana_list, ana_back, AN_REQ_WAIT_HTTP); |
| 1765 | FLT_ANALYZE(s, req, http_wait_for_request_body, ana_list, ana_back, AN_REQ_HTTP_BODY); |
| 1766 | FLT_ANALYZE(s, req, http_process_req_common, ana_list, ana_back, AN_REQ_HTTP_PROCESS_FE, sess->fe); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1767 | FLT_ANALYZE(s, req, process_switching_rules, ana_list, ana_back, AN_REQ_SWITCHING_RULES); |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1768 | ANALYZE (s, req, flt_start_analyze, ana_list, ana_back, AN_REQ_FLT_START_BE); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1769 | FLT_ANALYZE(s, req, tcp_inspect_request, ana_list, ana_back, AN_REQ_INSPECT_BE); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1770 | FLT_ANALYZE(s, req, http_process_req_common, ana_list, ana_back, AN_REQ_HTTP_PROCESS_BE, s->be); |
| 1771 | FLT_ANALYZE(s, req, http_process_tarpit, ana_list, ana_back, AN_REQ_HTTP_TARPIT); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1772 | FLT_ANALYZE(s, req, process_server_rules, ana_list, ana_back, AN_REQ_SRV_RULES); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1773 | FLT_ANALYZE(s, req, http_process_request, ana_list, ana_back, AN_REQ_HTTP_INNER); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1774 | FLT_ANALYZE(s, req, tcp_persist_rdp_cookie, ana_list, ana_back, AN_REQ_PRST_RDP_COOKIE); |
| 1775 | FLT_ANALYZE(s, req, process_sticking_rules, ana_list, ana_back, AN_REQ_STICKING_RULES); |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1776 | ANALYZE (s, req, flt_analyze_http_headers, ana_list, ana_back, AN_REQ_FLT_HTTP_HDRS); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1777 | ANALYZE (s, req, http_request_forward_body, ana_list, ana_back, AN_REQ_HTTP_XFER_BODY); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1778 | ANALYZE (s, req, pcli_wait_for_request, ana_list, ana_back, AN_REQ_WAIT_CLI); |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1779 | ANALYZE (s, req, flt_xfer_data, ana_list, ana_back, AN_REQ_FLT_XFER_DATA); |
| 1780 | ANALYZE (s, req, flt_end_analyze, ana_list, ana_back, AN_REQ_FLT_END); |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1781 | break; |
| 1782 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 1783 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 1784 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1785 | rq_prod_last = si_f->state; |
| 1786 | rq_cons_last = si_b->state; |
| 1787 | req->flags &= ~CF_WAKE_ONCE; |
| 1788 | rqf_last = req->flags; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1789 | |
Willy Tarreau | 1ec9bb5 | 2019-06-06 14:45:26 +0200 | [diff] [blame] | 1790 | if ((req->flags ^ flags) & (CF_SHUTR|CF_SHUTW)) |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1791 | goto resync_request; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1792 | } |
| 1793 | |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1794 | /* we'll monitor the request analysers while parsing the response, |
| 1795 | * because some response analysers may indirectly enable new request |
| 1796 | * analysers (eg: HTTP keep-alive). |
| 1797 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1798 | req_ana_back = req->analysers; |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1799 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1800 | resync_response: |
| 1801 | /* Analyse response */ |
| 1802 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1803 | if (((res->flags & ~rpf_last) & CF_MASK_ANALYSER) || |
| 1804 | (res->flags ^ rpf_last) & CF_MASK_STATIC || |
Willy Tarreau | 33982cb | 2017-11-20 15:37:13 +0100 | [diff] [blame] | 1805 | (res->analysers && (res->flags & CF_SHUTW)) || |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1806 | si_f->state != rp_cons_last || |
| 1807 | si_b->state != rp_prod_last || |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 1808 | s->pending_events & TASK_WOKEN_MSG) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1809 | unsigned int flags = res->flags; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1810 | |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 1811 | if (si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) { |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1812 | int max_loops = global.tune.maxpollevents; |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1813 | unsigned int ana_list; |
| 1814 | unsigned int ana_back; |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 1815 | |
Willy Tarreau | 90deb18 | 2010-01-07 00:20:41 +0100 | [diff] [blame] | 1816 | /* it's up to the analysers to stop disable reading or |
| 1817 | * closing. Note: if an analyser disables any of these |
| 1818 | * bits, it is responsible for enabling them again when |
| 1819 | * it disables itself, so that other analysers are called |
| 1820 | * in similar conditions. |
| 1821 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1822 | channel_auto_read(res); |
| 1823 | channel_auto_close(res); |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 1824 | |
| 1825 | /* We will call all analysers for which a bit is set in |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1826 | * res->analysers, following the bit order from LSB |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 1827 | * to MSB. The analysers must remove themselves from |
| 1828 | * the list when not needed. Any analyser may return 0 |
| 1829 | * to break out of the loop, either because of missing |
| 1830 | * data to take a decision, or because it decides to |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1831 | * kill the stream. We loop at least once through each |
Willy Tarreau | b37c27e | 2009-10-18 22:53:08 +0200 | [diff] [blame] | 1832 | * analyser, and we may loop again if other analysers |
| 1833 | * are added in the middle. |
| 1834 | */ |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1835 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1836 | ana_list = ana_back = res->analysers; |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1837 | while (ana_list && max_loops--) { |
Willy Tarreau | 1e0bbaf | 2010-01-06 23:53:24 +0100 | [diff] [blame] | 1838 | /* Warning! ensure that analysers are always placed in ascending order! */ |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1839 | ANALYZE (s, res, flt_start_analyze, ana_list, ana_back, AN_RES_FLT_START_FE); |
| 1840 | ANALYZE (s, res, flt_start_analyze, ana_list, ana_back, AN_RES_FLT_START_BE); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1841 | FLT_ANALYZE(s, res, tcp_inspect_response, ana_list, ana_back, AN_RES_INSPECT); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1842 | FLT_ANALYZE(s, res, http_wait_for_response, ana_list, ana_back, AN_RES_WAIT_HTTP); |
Christopher Faulet | a9215b7 | 2016-05-11 17:06:28 +0200 | [diff] [blame] | 1843 | FLT_ANALYZE(s, res, process_store_rules, ana_list, ana_back, AN_RES_STORE_RULES); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1844 | FLT_ANALYZE(s, res, http_process_res_common, ana_list, ana_back, AN_RES_HTTP_PROCESS_BE, s->be); |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1845 | ANALYZE (s, res, flt_analyze_http_headers, ana_list, ana_back, AN_RES_FLT_HTTP_HDRS); |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 1846 | ANALYZE (s, res, http_response_forward_body, ana_list, ana_back, AN_RES_HTTP_XFER_BODY); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 1847 | ANALYZE (s, res, pcli_wait_for_response, ana_list, ana_back, AN_RES_WAIT_CLI); |
Christopher Faulet | 0184ea7 | 2017-01-05 14:06:34 +0100 | [diff] [blame] | 1848 | ANALYZE (s, res, flt_xfer_data, ana_list, ana_back, AN_RES_FLT_XFER_DATA); |
| 1849 | ANALYZE (s, res, flt_end_analyze, ana_list, ana_back, AN_RES_FLT_END); |
Willy Tarreau | e34070e | 2010-01-08 00:32:27 +0100 | [diff] [blame] | 1850 | break; |
| 1851 | } |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1852 | } |
| 1853 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1854 | rp_cons_last = si_f->state; |
| 1855 | rp_prod_last = si_b->state; |
Christopher Faulet | cdaea89 | 2017-07-06 15:49:30 +0200 | [diff] [blame] | 1856 | res->flags &= ~CF_WAKE_ONCE; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1857 | rpf_last = res->flags; |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 1858 | |
Willy Tarreau | 1ec9bb5 | 2019-06-06 14:45:26 +0200 | [diff] [blame] | 1859 | if ((res->flags ^ flags) & (CF_SHUTR|CF_SHUTW)) |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1860 | goto resync_response; |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1861 | } |
| 1862 | |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1863 | /* maybe someone has added some request analysers, so we must check and loop */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1864 | if (req->analysers & ~req_ana_back) |
Willy Tarreau | 576507f | 2010-01-07 00:09:04 +0100 | [diff] [blame] | 1865 | goto resync_request; |
| 1866 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1867 | if ((req->flags & ~rqf_last) & CF_MASK_ANALYSER) |
Willy Tarreau | 0499e35 | 2010-12-17 07:13:42 +0100 | [diff] [blame] | 1868 | goto resync_request; |
| 1869 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1870 | /* FIXME: here we should call protocol handlers which rely on |
| 1871 | * both buffers. |
| 1872 | */ |
| 1873 | |
| 1874 | |
| 1875 | /* |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1876 | * Now we propagate unhandled errors to the stream. Normally |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1877 | * we're just in a data phase here since it means we have not |
| 1878 | * seen any analyser who could set an error status. |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1879 | */ |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 1880 | srv = objt_server(s->target); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1881 | if (unlikely(!(s->flags & SF_ERR_MASK))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1882 | if (req->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) { |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1883 | /* Report it if the client got an error or a read timeout expired */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1884 | req->analysers = 0; |
| 1885 | if (req->flags & CF_READ_ERROR) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1886 | _HA_ATOMIC_ADD(&s->be->be_counters.cli_aborts, 1); |
| 1887 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.cli_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1888 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1889 | _HA_ATOMIC_ADD(&sess->listener->counters->cli_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1890 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1891 | _HA_ATOMIC_ADD(&srv->counters.cli_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1892 | s->flags |= SF_ERR_CLICL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1893 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1894 | else if (req->flags & CF_READ_TIMEOUT) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1895 | _HA_ATOMIC_ADD(&s->be->be_counters.cli_aborts, 1); |
| 1896 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.cli_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1897 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1898 | _HA_ATOMIC_ADD(&sess->listener->counters->cli_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1899 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1900 | _HA_ATOMIC_ADD(&srv->counters.cli_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1901 | s->flags |= SF_ERR_CLITO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1902 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1903 | else if (req->flags & CF_WRITE_ERROR) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1904 | _HA_ATOMIC_ADD(&s->be->be_counters.srv_aborts, 1); |
| 1905 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.srv_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1906 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1907 | _HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1908 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1909 | _HA_ATOMIC_ADD(&srv->counters.srv_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1910 | s->flags |= SF_ERR_SRVCL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1911 | } |
| 1912 | else { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1913 | _HA_ATOMIC_ADD(&s->be->be_counters.srv_aborts, 1); |
| 1914 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.srv_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1915 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1916 | _HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1917 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1918 | _HA_ATOMIC_ADD(&srv->counters.srv_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1919 | s->flags |= SF_ERR_SRVTO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1920 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 1921 | sess_set_term_flags(s); |
Christopher Faulet | 5e1a9d7 | 2019-04-23 17:34:22 +0200 | [diff] [blame] | 1922 | |
| 1923 | /* Abort the request if a client error occurred while |
| 1924 | * the backend stream-interface is in the SI_ST_INI |
| 1925 | * state. It is switched into the SI_ST_CLO state and |
| 1926 | * the request channel is erased. */ |
| 1927 | if (si_b->state == SI_ST_INI) { |
| 1928 | si_b->state = SI_ST_CLO; |
| 1929 | channel_abort(req); |
| 1930 | if (IS_HTX_STRM(s)) |
| 1931 | channel_htx_erase(req, htxbuf(&req->buf)); |
| 1932 | else |
| 1933 | channel_erase(req); |
| 1934 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 1935 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1936 | else if (res->flags & (CF_READ_ERROR|CF_READ_TIMEOUT|CF_WRITE_ERROR|CF_WRITE_TIMEOUT)) { |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1937 | /* Report it if the server got an error or a read timeout expired */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1938 | res->analysers = 0; |
| 1939 | if (res->flags & CF_READ_ERROR) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1940 | _HA_ATOMIC_ADD(&s->be->be_counters.srv_aborts, 1); |
| 1941 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.srv_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1942 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1943 | _HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1944 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1945 | _HA_ATOMIC_ADD(&srv->counters.srv_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1946 | s->flags |= SF_ERR_SRVCL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1947 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1948 | else if (res->flags & CF_READ_TIMEOUT) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1949 | _HA_ATOMIC_ADD(&s->be->be_counters.srv_aborts, 1); |
| 1950 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.srv_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1951 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1952 | _HA_ATOMIC_ADD(&sess->listener->counters->srv_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1953 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1954 | _HA_ATOMIC_ADD(&srv->counters.srv_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1955 | s->flags |= SF_ERR_SRVTO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1956 | } |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1957 | else if (res->flags & CF_WRITE_ERROR) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1958 | _HA_ATOMIC_ADD(&s->be->be_counters.cli_aborts, 1); |
| 1959 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.cli_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1960 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1961 | _HA_ATOMIC_ADD(&sess->listener->counters->cli_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1962 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1963 | _HA_ATOMIC_ADD(&srv->counters.cli_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1964 | s->flags |= SF_ERR_CLICL; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1965 | } |
| 1966 | else { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1967 | _HA_ATOMIC_ADD(&s->be->be_counters.cli_aborts, 1); |
| 1968 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.cli_aborts, 1); |
Christopher Faulet | 99ac8a1 | 2020-01-24 11:45:05 +0100 | [diff] [blame] | 1969 | if (sess->listener && sess->listener->counters) |
Christopher Faulet | cff0f73 | 2019-12-16 16:13:44 +0100 | [diff] [blame] | 1970 | _HA_ATOMIC_ADD(&sess->listener->counters->cli_aborts, 1); |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 1971 | if (srv) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 1972 | _HA_ATOMIC_ADD(&srv->counters.cli_aborts, 1); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 1973 | s->flags |= SF_ERR_CLITO; |
Willy Tarreau | ae52678 | 2010-03-04 20:34:23 +0100 | [diff] [blame] | 1974 | } |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1975 | sess_set_term_flags(s); |
| 1976 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 1977 | } |
| 1978 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 1979 | /* |
| 1980 | * Here we take care of forwarding unhandled data. This also includes |
| 1981 | * connection establishments and shutdown requests. |
| 1982 | */ |
| 1983 | |
| 1984 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 1985 | /* If noone is interested in analysing data, it's time to forward |
Willy Tarreau | 31971e5 | 2009-09-20 12:07:52 +0200 | [diff] [blame] | 1986 | * everything. We configure the buffer to forward indefinitely. |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 1987 | * Note that we're checking CF_SHUTR_NOW as an indication of a possible |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 1988 | * recent call to channel_abort(). |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 1989 | */ |
Christopher Faulet | 35fe699 | 2017-08-29 16:06:38 +0200 | [diff] [blame] | 1990 | if (unlikely((!req->analysers || (req->analysers == AN_REQ_FLT_END && !(req->flags & CF_FLT_ANALYZE))) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1991 | !(req->flags & (CF_SHUTW|CF_SHUTR_NOW)) && |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 1992 | (si_state_in(si_f->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO)) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1993 | (req->to_forward != CHN_INFINITE_FORWARD))) { |
Willy Tarreau | b31c971 | 2012-11-11 23:05:39 +0100 | [diff] [blame] | 1994 | /* This buffer is freewheeling, there's no analyser |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 1995 | * attached to it. If any data are left in, we'll permit them to |
| 1996 | * move. |
| 1997 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 1998 | channel_auto_read(req); |
| 1999 | channel_auto_connect(req); |
| 2000 | channel_auto_close(req); |
Willy Tarreau | 5bd8c37 | 2009-01-19 00:32:22 +0100 | [diff] [blame] | 2001 | |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2002 | if (IS_HTX_STRM(s)) { |
| 2003 | struct htx *htx = htxbuf(&req->buf); |
| 2004 | |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2005 | /* We'll let data flow between the producer (if still connected) |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2006 | * to the consumer. |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2007 | */ |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2008 | co_set_data(req, htx->data); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2009 | if (!(req->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2010 | channel_htx_forward_forever(req, htx); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2011 | } |
| 2012 | else { |
| 2013 | /* We'll let data flow between the producer (if still connected) |
| 2014 | * to the consumer (which might possibly not be connected yet). |
| 2015 | */ |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2016 | c_adv(req, ci_data(req)); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2017 | if (!(req->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
| 2018 | channel_forward_forever(req); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2019 | } |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2020 | } |
Willy Tarreau | f890dc9 | 2008-12-13 21:12:26 +0100 | [diff] [blame] | 2021 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2022 | /* check if it is wise to enable kernel splicing to forward request data */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2023 | if (!(req->flags & (CF_KERN_SPLICING|CF_SHUTR)) && |
| 2024 | req->to_forward && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2025 | (global.tune.options & GTUNE_USE_SPLICE) && |
Christopher Faulet | 276c1e0 | 2019-11-05 16:49:23 +0100 | [diff] [blame] | 2026 | (objt_cs(si_f->end) && __objt_cs(si_f->end)->conn->xprt && __objt_cs(si_f->end)->conn->xprt->rcv_pipe && |
| 2027 | __objt_cs(si_f->end)->conn->mux && __objt_cs(si_f->end)->conn->mux->rcv_pipe) && |
| 2028 | (objt_cs(si_b->end) && __objt_cs(si_b->end)->conn->xprt && __objt_cs(si_b->end)->conn->xprt->snd_pipe && |
| 2029 | __objt_cs(si_b->end)->conn->mux && __objt_cs(si_b->end)->conn->mux->snd_pipe) && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2030 | (pipes_used < global.maxpipes) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2031 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_REQ) || |
| 2032 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2033 | (req->flags & CF_STREAMER_FAST)))) { |
| 2034 | req->flags |= CF_KERN_SPLICING; |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2035 | } |
| 2036 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2037 | /* reflect what the L7 analysers have seen last */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2038 | rqf_last = req->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2039 | |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2040 | /* it's possible that an upper layer has requested a connection setup or abort. |
| 2041 | * There are 2 situations where we decide to establish a new connection : |
| 2042 | * - there are data scheduled for emission in the buffer |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 2043 | * - the CF_AUTO_CONNECT flag is set (active connection) |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2044 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2045 | if (si_b->state == SI_ST_INI) { |
Christopher Faulet | 5e1a9d7 | 2019-04-23 17:34:22 +0200 | [diff] [blame] | 2046 | if (!(req->flags & CF_SHUTW)) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2047 | if ((req->flags & CF_AUTO_CONNECT) || !channel_is_empty(req)) { |
Willy Tarreau | cf644ed | 2013-09-29 17:19:56 +0200 | [diff] [blame] | 2048 | /* If we have an appctx, there is no connect method, so we |
| 2049 | * immediately switch to the connected state, otherwise we |
| 2050 | * perform a connection request. |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2051 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2052 | si_b->state = SI_ST_REQ; /* new connection requested */ |
| 2053 | si_b->conn_retries = s->be->conn_retries; |
Olivier Houchard | 602bf7d | 2019-05-10 13:59:15 +0200 | [diff] [blame] | 2054 | if ((s->be->retry_type &~ PR_RE_CONN_FAILED) && |
| 2055 | !(si_b->flags & SI_FL_D_L7_RETRY)) |
Olivier Houchard | a254a37 | 2019-04-05 15:30:12 +0200 | [diff] [blame] | 2056 | si_b->flags |= SI_FL_L7_RETRY; |
Willy Tarreau | 520d95e | 2009-09-19 21:04:57 +0200 | [diff] [blame] | 2057 | } |
Willy Tarreau | 7320122 | 2009-08-16 18:27:24 +0200 | [diff] [blame] | 2058 | } |
Willy Tarreau | f41ffdc | 2009-09-20 08:19:25 +0200 | [diff] [blame] | 2059 | else { |
Willy Tarreau | 0542c8b | 2017-11-24 15:01:10 +0100 | [diff] [blame] | 2060 | si_release_endpoint(si_b); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2061 | si_b->state = SI_ST_CLO; /* shutw+ini = abort */ |
| 2062 | channel_shutw_now(req); /* fix buffer flags upon abort */ |
| 2063 | channel_shutr_now(res); |
Willy Tarreau | f41ffdc | 2009-09-20 08:19:25 +0200 | [diff] [blame] | 2064 | } |
Willy Tarreau | 9279562 | 2009-03-06 12:51:23 +0100 | [diff] [blame] | 2065 | } |
| 2066 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2067 | |
| 2068 | /* we may have a pending connection request, or a connection waiting |
| 2069 | * for completion. |
| 2070 | */ |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 2071 | if (si_state_in(si_b->state, SI_SB_REQ|SI_SB_QUE|SI_SB_TAR|SI_SB_ASS)) { |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 2072 | /* prune the request variables and swap to the response variables. */ |
| 2073 | if (s->vars_reqres.scope != SCOPE_RES) { |
Jerome Magnin | 2f44e88 | 2019-11-09 18:00:47 +0100 | [diff] [blame] | 2074 | if (!LIST_ISEMPTY(&s->vars_reqres.head)) |
Willy Tarreau | cda7f3f | 2018-10-28 13:44:36 +0100 | [diff] [blame] | 2075 | vars_prune(&s->vars_reqres, s->sess, s); |
Jerome Magnin | 2f44e88 | 2019-11-09 18:00:47 +0100 | [diff] [blame] | 2076 | vars_init(&s->vars_reqres, SCOPE_RES); |
Thierry FOURNIER | 4834bc7 | 2015-06-06 19:29:07 +0200 | [diff] [blame] | 2077 | } |
| 2078 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2079 | do { |
| 2080 | /* nb: step 1 might switch from QUE to ASS, but we first want |
| 2081 | * to give a chance to step 2 to perform a redirect if needed. |
| 2082 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2083 | if (si_b->state != SI_ST_REQ) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 2084 | back_try_conn_req(s); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2085 | if (si_b->state == SI_ST_REQ) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 2086 | back_handle_st_req(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2087 | |
Willy Tarreau | 9e5a3aa | 2013-12-31 23:32:12 +0100 | [diff] [blame] | 2088 | /* applets directly go to the ESTABLISHED state. Similarly, |
| 2089 | * servers experience the same fate when their connection |
| 2090 | * is reused. |
| 2091 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2092 | if (unlikely(si_b->state == SI_ST_EST)) |
Willy Tarreau | 3a9312a | 2020-01-09 18:43:15 +0100 | [diff] [blame] | 2093 | back_establish(s); |
Willy Tarreau | fac4bd1 | 2013-11-30 09:21:49 +0100 | [diff] [blame] | 2094 | |
Willy Tarreau | 3fdb366 | 2012-11-12 00:42:33 +0100 | [diff] [blame] | 2095 | srv = objt_server(s->target); |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2096 | if (si_b->state == SI_ST_ASS && srv && srv->rdr_len && (s->flags & SF_REDIRECTABLE)) |
Christopher Faulet | fc9cfe4 | 2019-07-16 14:54:53 +0200 | [diff] [blame] | 2097 | http_perform_server_redirect(s, si_b); |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2098 | } while (si_b->state == SI_ST_ASS); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2099 | } |
| 2100 | |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 2101 | /* Let's see if we can send the pending request now */ |
| 2102 | si_sync_send(si_b); |
| 2103 | |
| 2104 | /* |
| 2105 | * Now forward all shutdown requests between both sides of the request buffer |
| 2106 | */ |
| 2107 | |
| 2108 | /* first, let's check if the request buffer needs to shutdown(write), which may |
| 2109 | * happen either because the input is closed or because we want to force a close |
| 2110 | * once the server has begun to respond. If a half-closed timeout is set, we adjust |
| 2111 | * the other side's timeout as well. |
| 2112 | */ |
| 2113 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) == |
| 2114 | (CF_AUTO_CLOSE|CF_SHUTR))) { |
| 2115 | channel_shutw_now(req); |
| 2116 | } |
| 2117 | |
| 2118 | /* shutdown(write) pending */ |
| 2119 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW && |
| 2120 | channel_is_empty(req))) { |
| 2121 | if (req->flags & CF_READ_ERROR) |
| 2122 | si_b->flags |= SI_FL_NOLINGER; |
| 2123 | si_shutw(si_b); |
| 2124 | } |
| 2125 | |
| 2126 | /* shutdown(write) done on server side, we must stop the client too */ |
| 2127 | if (unlikely((req->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW && |
| 2128 | !req->analysers)) |
| 2129 | channel_shutr_now(req); |
| 2130 | |
| 2131 | /* shutdown(read) pending */ |
| 2132 | if (unlikely((req->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) { |
| 2133 | if (si_f->flags & SI_FL_NOHALF) |
| 2134 | si_f->flags |= SI_FL_NOLINGER; |
| 2135 | si_shutr(si_f); |
| 2136 | } |
| 2137 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2138 | /* Benchmarks have shown that it's optimal to do a full resync now */ |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 2139 | if (si_f->state == SI_ST_DIS || |
| 2140 | si_state_in(si_b->state, SI_SB_RDY|SI_SB_DIS) || |
| 2141 | (si_f->flags & SI_FL_ERR && si_f->state != SI_ST_CLO) || |
| 2142 | (si_b->flags & SI_FL_ERR && si_b->state != SI_ST_CLO)) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2143 | goto resync_stream_interface; |
| 2144 | |
Willy Tarreau | 815a9b2 | 2010-07-27 17:15:12 +0200 | [diff] [blame] | 2145 | /* otherwise we want to check if we need to resync the req buffer or not */ |
Willy Tarreau | 1ec9bb5 | 2019-06-06 14:45:26 +0200 | [diff] [blame] | 2146 | if ((req->flags ^ rqf_last) & (CF_SHUTR|CF_SHUTW)) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2147 | goto resync_request; |
| 2148 | |
Willy Tarreau | 3deb3d0 | 2009-06-21 22:43:05 +0200 | [diff] [blame] | 2149 | /* perform output updates to the response buffer */ |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2150 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2151 | /* If noone is interested in analysing data, it's time to forward |
Willy Tarreau | 31971e5 | 2009-09-20 12:07:52 +0200 | [diff] [blame] | 2152 | * everything. We configure the buffer to forward indefinitely. |
Willy Tarreau | 03cdb7c | 2012-08-27 23:14:58 +0200 | [diff] [blame] | 2153 | * Note that we're checking CF_SHUTR_NOW as an indication of a possible |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 2154 | * recent call to channel_abort(). |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2155 | */ |
Christopher Faulet | 35fe699 | 2017-08-29 16:06:38 +0200 | [diff] [blame] | 2156 | if (unlikely((!res->analysers || (res->analysers == AN_RES_FLT_END && !(res->flags & CF_FLT_ANALYZE))) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2157 | !(res->flags & (CF_SHUTW|CF_SHUTR_NOW)) && |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 2158 | si_state_in(si_b->state, SI_SB_EST|SI_SB_DIS|SI_SB_CLO) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2159 | (res->to_forward != CHN_INFINITE_FORWARD))) { |
Willy Tarreau | b31c971 | 2012-11-11 23:05:39 +0100 | [diff] [blame] | 2160 | /* This buffer is freewheeling, there's no analyser |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2161 | * attached to it. If any data are left in, we'll permit them to |
| 2162 | * move. |
| 2163 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2164 | channel_auto_read(res); |
| 2165 | channel_auto_close(res); |
Willy Tarreau | da4d9fe | 2010-11-07 20:26:56 +0100 | [diff] [blame] | 2166 | |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2167 | if (IS_HTX_STRM(s)) { |
| 2168 | struct htx *htx = htxbuf(&res->buf); |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2169 | |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2170 | /* We'll let data flow between the producer (if still connected) |
| 2171 | * to the consumer. |
| 2172 | */ |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2173 | co_set_data(res, htx->data); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2174 | if (!(res->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2175 | channel_htx_forward_forever(res, htx); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2176 | } |
| 2177 | else { |
| 2178 | /* We'll let data flow between the producer (if still connected) |
| 2179 | * to the consumer. |
| 2180 | */ |
Christopher Faulet | 2dba1a5 | 2018-12-18 21:57:24 +0100 | [diff] [blame] | 2181 | c_adv(res, ci_data(res)); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2182 | if (!(res->flags & (CF_SHUTR|CF_SHUTW_NOW))) |
| 2183 | channel_forward_forever(res); |
Christopher Faulet | b2aedea | 2018-12-05 11:56:15 +0100 | [diff] [blame] | 2184 | } |
Willy Tarreau | 42529c3 | 2015-07-09 18:38:57 +0200 | [diff] [blame] | 2185 | |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2186 | /* if we have no analyser anymore in any direction and have a |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2187 | * tunnel timeout set, use it now. Note that we must respect |
| 2188 | * the half-closed timeouts as well. |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2189 | */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2190 | if (!req->analysers && s->be->timeout.tunnel) { |
| 2191 | req->rto = req->wto = res->rto = res->wto = |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2192 | s->be->timeout.tunnel; |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2193 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2194 | if ((req->flags & CF_SHUTR) && tick_isset(sess->fe->timeout.clientfin)) |
| 2195 | res->wto = sess->fe->timeout.clientfin; |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2196 | if ((req->flags & CF_SHUTW) && tick_isset(s->be->timeout.serverfin)) |
| 2197 | res->rto = s->be->timeout.serverfin; |
| 2198 | if ((res->flags & CF_SHUTR) && tick_isset(s->be->timeout.serverfin)) |
| 2199 | req->wto = s->be->timeout.serverfin; |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2200 | if ((res->flags & CF_SHUTW) && tick_isset(sess->fe->timeout.clientfin)) |
| 2201 | req->rto = sess->fe->timeout.clientfin; |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2202 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2203 | req->rex = tick_add(now_ms, req->rto); |
| 2204 | req->wex = tick_add(now_ms, req->wto); |
| 2205 | res->rex = tick_add(now_ms, res->rto); |
| 2206 | res->wex = tick_add(now_ms, res->wto); |
Willy Tarreau | ce887fd | 2012-05-12 12:50:00 +0200 | [diff] [blame] | 2207 | } |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2208 | } |
Willy Tarreau | f890dc9 | 2008-12-13 21:12:26 +0100 | [diff] [blame] | 2209 | |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2210 | /* check if it is wise to enable kernel splicing to forward response data */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2211 | if (!(res->flags & (CF_KERN_SPLICING|CF_SHUTR)) && |
| 2212 | res->to_forward && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2213 | (global.tune.options & GTUNE_USE_SPLICE) && |
Christopher Faulet | 276c1e0 | 2019-11-05 16:49:23 +0100 | [diff] [blame] | 2214 | (objt_cs(si_f->end) && __objt_cs(si_f->end)->conn->xprt && __objt_cs(si_f->end)->conn->xprt->snd_pipe && |
| 2215 | __objt_cs(si_f->end)->conn->mux && __objt_cs(si_f->end)->conn->mux->snd_pipe) && |
| 2216 | (objt_cs(si_b->end) && __objt_cs(si_b->end)->conn->xprt && __objt_cs(si_b->end)->conn->xprt->rcv_pipe && |
| 2217 | __objt_cs(si_b->end)->conn->mux && __objt_cs(si_b->end)->conn->mux->rcv_pipe) && |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2218 | (pipes_used < global.maxpipes) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2219 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_RTR) || |
| 2220 | (((sess->fe->options2|s->be->options2) & PR_O2_SPLIC_AUT) && |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2221 | (res->flags & CF_STREAMER_FAST)))) { |
| 2222 | res->flags |= CF_KERN_SPLICING; |
Willy Tarreau | 7c84bab | 2009-03-08 21:38:23 +0100 | [diff] [blame] | 2223 | } |
| 2224 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2225 | /* reflect what the L7 analysers have seen last */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2226 | rpf_last = res->flags; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2227 | |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 2228 | /* Let's see if we can send the pending response now */ |
| 2229 | si_sync_send(si_f); |
| 2230 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2231 | /* |
| 2232 | * Now forward all shutdown requests between both sides of the buffer |
| 2233 | */ |
| 2234 | |
| 2235 | /* |
| 2236 | * FIXME: this is probably where we should produce error responses. |
| 2237 | */ |
| 2238 | |
Willy Tarreau | 6b66f3e | 2008-12-14 17:31:54 +0100 | [diff] [blame] | 2239 | /* first, let's check if the response buffer needs to shutdown(write) */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2240 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CLOSE|CF_SHUTR)) == |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2241 | (CF_AUTO_CLOSE|CF_SHUTR))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2242 | channel_shutw_now(res); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2243 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2244 | |
| 2245 | /* shutdown(write) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2246 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) == CF_SHUTW_NOW && |
| 2247 | channel_is_empty(res))) { |
| 2248 | si_shutw(si_f); |
Willy Tarreau | 05cdd96 | 2014-05-10 14:30:07 +0200 | [diff] [blame] | 2249 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2250 | |
| 2251 | /* shutdown(write) done on the client side, we must stop the server too */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2252 | if (unlikely((res->flags & (CF_SHUTW|CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTW) && |
| 2253 | !res->analysers) |
| 2254 | channel_shutr_now(res); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2255 | |
| 2256 | /* shutdown(read) pending */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2257 | if (unlikely((res->flags & (CF_SHUTR|CF_SHUTR_NOW)) == CF_SHUTR_NOW)) { |
| 2258 | if (si_b->flags & SI_FL_NOHALF) |
| 2259 | si_b->flags |= SI_FL_NOLINGER; |
| 2260 | si_shutr(si_b); |
Willy Tarreau | 7bb68ab | 2012-05-13 14:48:59 +0200 | [diff] [blame] | 2261 | } |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2262 | |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 2263 | if (si_f->state == SI_ST_DIS || |
| 2264 | si_state_in(si_b->state, SI_SB_RDY|SI_SB_DIS) || |
| 2265 | (si_f->flags & SI_FL_ERR && si_f->state != SI_ST_CLO) || |
| 2266 | (si_b->flags & SI_FL_ERR && si_b->state != SI_ST_CLO)) |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2267 | goto resync_stream_interface; |
| 2268 | |
Willy Tarreau | 3c5c066 | 2019-06-06 14:32:49 +0200 | [diff] [blame] | 2269 | if ((req->flags & ~rqf_last) & CF_MASK_ANALYSER) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2270 | goto resync_request; |
| 2271 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2272 | if ((res->flags ^ rpf_last) & CF_MASK_STATIC) |
Willy Tarreau | 0be0ef9 | 2009-03-08 19:20:25 +0100 | [diff] [blame] | 2273 | goto resync_response; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2274 | |
Willy Tarreau | 829bd47 | 2019-06-06 09:17:23 +0200 | [diff] [blame] | 2275 | if (((req->flags ^ rqf_last) | (res->flags ^ rpf_last)) & CF_MASK_ANALYSER) |
| 2276 | goto resync_request; |
| 2277 | |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2278 | /* we're interested in getting wakeups again */ |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2279 | si_f->flags &= ~SI_FL_DONT_WAKE; |
| 2280 | si_b->flags &= ~SI_FL_DONT_WAKE; |
Willy Tarreau | 89f7ef2 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 2281 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2282 | /* This is needed only when debugging is enabled, to indicate |
| 2283 | * client-side or server-side close. Please note that in the unlikely |
| 2284 | * event where both sides would close at once, the sequence is reported |
| 2285 | * on the server side first. |
| 2286 | */ |
| 2287 | if (unlikely((global.mode & MODE_DEBUG) && |
| 2288 | (!(global.mode & MODE_QUIET) || |
| 2289 | (global.mode & MODE_VERBOSE)))) { |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2290 | if (si_b->state == SI_ST_CLO && |
| 2291 | si_b->prev_state == SI_ST_EST) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2292 | chunk_printf(&trash, "%08x:%s.srvcls[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2293 | s->uniq_id, s->be->id, |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2294 | objt_cs(si_f->end) ? (unsigned short)objt_cs(si_f->end)->conn->handle.fd : -1, |
| 2295 | objt_cs(si_b->end) ? (unsigned short)objt_cs(si_b->end)->conn->handle.fd : -1); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2296 | shut_your_big_mouth_gcc(write(1, trash.area, trash.data)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2297 | } |
| 2298 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2299 | if (si_f->state == SI_ST_CLO && |
| 2300 | si_f->prev_state == SI_ST_EST) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2301 | chunk_printf(&trash, "%08x:%s.clicls[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2302 | s->uniq_id, s->be->id, |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2303 | objt_cs(si_f->end) ? (unsigned short)objt_cs(si_f->end)->conn->handle.fd : -1, |
| 2304 | objt_cs(si_b->end) ? (unsigned short)objt_cs(si_b->end)->conn->handle.fd : -1); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2305 | shut_your_big_mouth_gcc(write(1, trash.area, trash.data)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2306 | } |
| 2307 | } |
| 2308 | |
Willy Tarreau | 7ab22adb | 2019-06-05 14:53:22 +0200 | [diff] [blame] | 2309 | if (likely((si_f->state != SI_ST_CLO) || !si_state_in(si_b->state, SI_SB_INI|SI_SB_CLO))) { |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2310 | if ((sess->fe->options & PR_O_CONTSTATS) && (s->flags & SF_BE_ASSIGNED) && !(s->flags & SF_IGNORE)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2311 | stream_process_counters(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2312 | |
Willy Tarreau | d14844a | 2018-11-08 18:15:29 +0100 | [diff] [blame] | 2313 | si_update_both(si_f, si_b); |
Olivier Houchard | 53216e7 | 2018-10-10 15:46:36 +0200 | [diff] [blame] | 2314 | |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 2315 | /* Trick: if a request is being waiting for the server to respond, |
| 2316 | * and if we know the server can timeout, we don't want the timeout |
| 2317 | * to expire on the client side first, but we're still interested |
| 2318 | * in passing data from the client to the server (eg: POST). Thus, |
| 2319 | * we can cancel the client's request timeout if the server's |
| 2320 | * request timeout is set and the server has not yet sent a response. |
| 2321 | */ |
| 2322 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2323 | if ((res->flags & (CF_AUTO_CLOSE|CF_SHUTR)) == 0 && |
| 2324 | (tick_isset(req->wex) || tick_isset(res->rex))) { |
| 2325 | req->flags |= CF_READ_NOEXP; |
| 2326 | req->rex = TICK_ETERNITY; |
Willy Tarreau | 6f0a7ba | 2014-06-23 15:22:31 +0200 | [diff] [blame] | 2327 | } |
| 2328 | |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 2329 | /* Reset pending events now */ |
| 2330 | s->pending_events = 0; |
| 2331 | |
Willy Tarreau | 798f432 | 2012-11-08 14:49:17 +0100 | [diff] [blame] | 2332 | update_exp_and_leave: |
Willy Tarreau | 5fb0471 | 2016-05-04 10:18:37 +0200 | [diff] [blame] | 2333 | /* Note: please ensure that if you branch here you disable SI_FL_DONT_WAKE */ |
Christopher Faulet | a00d817 | 2016-11-10 14:58:05 +0100 | [diff] [blame] | 2334 | t->expire = tick_first((tick_is_expired(t->expire, now_ms) ? 0 : t->expire), |
| 2335 | tick_first(tick_first(req->rex, req->wex), |
| 2336 | tick_first(res->rex, res->wex))); |
Willy Tarreau | def0d22 | 2016-11-08 22:03:00 +0100 | [diff] [blame] | 2337 | if (!req->analysers) |
| 2338 | req->analyse_exp = TICK_ETERNITY; |
| 2339 | |
| 2340 | if ((sess->fe->options & PR_O_CONTSTATS) && (s->flags & SF_BE_ASSIGNED) && |
| 2341 | (!tick_isset(req->analyse_exp) || tick_is_expired(req->analyse_exp, now_ms))) |
| 2342 | req->analyse_exp = tick_add(now_ms, 5000); |
| 2343 | |
| 2344 | t->expire = tick_first(t->expire, req->analyse_exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2345 | |
Willy Tarreau | 9a398be | 2017-11-10 17:14:23 +0100 | [diff] [blame] | 2346 | t->expire = tick_first(t->expire, res->analyse_exp); |
| 2347 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2348 | if (si_f->exp) |
| 2349 | t->expire = tick_first(t->expire, si_f->exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2350 | |
Willy Tarreau | 8f128b4 | 2014-11-28 15:07:47 +0100 | [diff] [blame] | 2351 | if (si_b->exp) |
| 2352 | t->expire = tick_first(t->expire, si_b->exp); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2353 | |
Christopher Faulet | 9d810ca | 2016-12-08 22:33:52 +0100 | [diff] [blame] | 2354 | s->pending_events &= ~(TASK_WOKEN_TIMER | TASK_WOKEN_RES); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2355 | stream_release_buffers(s); |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 2356 | |
| 2357 | DBG_TRACE_DEVEL("queuing", STRM_EV_STRM_PROC, s); |
Willy Tarreau | 26c2506 | 2009-03-08 09:38:41 +0100 | [diff] [blame] | 2358 | return t; /* nothing more to do */ |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2359 | } |
| 2360 | |
Christopher Faulet | eea8fc7 | 2019-11-05 16:18:10 +0100 | [diff] [blame] | 2361 | DBG_TRACE_DEVEL("releasing", STRM_EV_STRM_PROC, s); |
| 2362 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2363 | if (s->flags & SF_BE_ASSIGNED) |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 2364 | _HA_ATOMIC_SUB(&s->be->beconn, 1); |
Willy Tarreau | 6f5e4b9 | 2017-09-15 09:07:56 +0200 | [diff] [blame] | 2365 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2366 | if (unlikely((global.mode & MODE_DEBUG) && |
| 2367 | (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 2368 | chunk_printf(&trash, "%08x:%s.closed[%04x:%04x]\n", |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2369 | s->uniq_id, s->be->id, |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2370 | objt_cs(si_f->end) ? (unsigned short)objt_cs(si_f->end)->conn->handle.fd : -1, |
| 2371 | objt_cs(si_b->end) ? (unsigned short)objt_cs(si_b->end)->conn->handle.fd : -1); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2372 | shut_your_big_mouth_gcc(write(1, trash.area, trash.data)); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2373 | } |
| 2374 | |
| 2375 | s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now); |
Olivier Houchard | 4c18f94 | 2019-07-31 18:05:26 +0200 | [diff] [blame] | 2376 | if (!(s->flags & SF_IGNORE)) |
| 2377 | stream_process_counters(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2378 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2379 | if (s->txn && s->txn->status) { |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2380 | int n; |
| 2381 | |
Willy Tarreau | eee5b51 | 2015-04-03 23:46:31 +0200 | [diff] [blame] | 2382 | n = s->txn->status / 100; |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2383 | if (n < 1 || n > 5) |
| 2384 | n = 0; |
| 2385 | |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2386 | if (sess->fe->mode == PR_MODE_HTTP) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 2387 | _HA_ATOMIC_ADD(&sess->fe->fe_counters.p.http.rsp[n], 1); |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2388 | } |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2389 | if ((s->flags & SF_BE_ASSIGNED) && |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2390 | (s->be->mode == PR_MODE_HTTP)) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 2391 | _HA_ATOMIC_ADD(&s->be->be_counters.p.http.rsp[n], 1); |
| 2392 | _HA_ATOMIC_ADD(&s->be->be_counters.p.http.cum_req, 1); |
Willy Tarreau | 5e16cbc | 2012-11-24 14:54:13 +0100 | [diff] [blame] | 2393 | } |
Krzysztof Piotr Oledzki | de71d16 | 2009-10-24 15:36:15 +0200 | [diff] [blame] | 2394 | } |
| 2395 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2396 | /* let's do a final log if we need it */ |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2397 | if (!LIST_ISEMPTY(&sess->fe->logformat) && s->logs.logwait && |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2398 | !(s->flags & SF_MONITOR) && |
Willy Tarreau | e36cbcb | 2015-04-03 15:40:56 +0200 | [diff] [blame] | 2399 | (!(sess->fe->options & PR_O_NULLNOLOG) || req->total)) { |
Willy Tarreau | 66425e3 | 2018-07-25 06:55:12 +0200 | [diff] [blame] | 2400 | /* we may need to know the position in the queue */ |
| 2401 | pendconn_free(s); |
Willy Tarreau | a5555ec | 2008-11-30 19:02:32 +0100 | [diff] [blame] | 2402 | s->do_log(s); |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2403 | } |
| 2404 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2405 | /* update time stats for this stream */ |
| 2406 | stream_update_time_stats(s); |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2407 | |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2408 | /* the task MUST not be in the run queue anymore */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2409 | stream_free(s); |
Olivier Houchard | 3f795f7 | 2019-04-17 22:51:06 +0200 | [diff] [blame] | 2410 | task_destroy(t); |
Willy Tarreau | 26c2506 | 2009-03-08 09:38:41 +0100 | [diff] [blame] | 2411 | return NULL; |
Willy Tarreau | 55a8d0e | 2008-11-30 18:47:21 +0100 | [diff] [blame] | 2412 | } |
| 2413 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2414 | /* Update the stream's backend and server time stats */ |
| 2415 | void stream_update_time_stats(struct stream *s) |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2416 | { |
| 2417 | int t_request; |
| 2418 | int t_queue; |
| 2419 | int t_connect; |
| 2420 | int t_data; |
| 2421 | int t_close; |
| 2422 | struct server *srv; |
| 2423 | |
| 2424 | t_request = 0; |
| 2425 | t_queue = s->logs.t_queue; |
| 2426 | t_connect = s->logs.t_connect; |
| 2427 | t_close = s->logs.t_close; |
| 2428 | t_data = s->logs.t_data; |
| 2429 | |
| 2430 | if (s->be->mode != PR_MODE_HTTP) |
| 2431 | t_data = t_connect; |
| 2432 | |
| 2433 | if (t_connect < 0 || t_data < 0) |
| 2434 | return; |
| 2435 | |
| 2436 | if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept)) |
| 2437 | t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request); |
| 2438 | |
| 2439 | t_data -= t_connect; |
| 2440 | t_connect -= t_queue; |
| 2441 | t_queue -= t_request; |
| 2442 | |
| 2443 | srv = objt_server(s->target); |
| 2444 | if (srv) { |
| 2445 | swrate_add(&srv->counters.q_time, TIME_STATS_SAMPLES, t_queue); |
| 2446 | swrate_add(&srv->counters.c_time, TIME_STATS_SAMPLES, t_connect); |
| 2447 | swrate_add(&srv->counters.d_time, TIME_STATS_SAMPLES, t_data); |
| 2448 | swrate_add(&srv->counters.t_time, TIME_STATS_SAMPLES, t_close); |
Christopher Faulet | efb41f0 | 2019-11-08 14:53:15 +0100 | [diff] [blame] | 2449 | HA_ATOMIC_UPDATE_MAX(&srv->counters.qtime_max, t_queue); |
| 2450 | HA_ATOMIC_UPDATE_MAX(&srv->counters.ctime_max, t_connect); |
| 2451 | HA_ATOMIC_UPDATE_MAX(&srv->counters.dtime_max, t_data); |
| 2452 | HA_ATOMIC_UPDATE_MAX(&srv->counters.ttime_max, t_close); |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2453 | } |
| 2454 | swrate_add(&s->be->be_counters.q_time, TIME_STATS_SAMPLES, t_queue); |
| 2455 | swrate_add(&s->be->be_counters.c_time, TIME_STATS_SAMPLES, t_connect); |
| 2456 | swrate_add(&s->be->be_counters.d_time, TIME_STATS_SAMPLES, t_data); |
| 2457 | swrate_add(&s->be->be_counters.t_time, TIME_STATS_SAMPLES, t_close); |
Christopher Faulet | efb41f0 | 2019-11-08 14:53:15 +0100 | [diff] [blame] | 2458 | HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.qtime_max, t_queue); |
| 2459 | HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.ctime_max, t_connect); |
| 2460 | HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.dtime_max, t_data); |
| 2461 | HA_ATOMIC_UPDATE_MAX(&s->be->be_counters.ttime_max, t_close); |
Willy Tarreau | 4bfc580 | 2014-06-17 12:19:18 +0200 | [diff] [blame] | 2462 | } |
| 2463 | |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2464 | /* |
| 2465 | * This function adjusts sess->srv_conn and maintains the previous and new |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2466 | * server's served stream counts. Setting newsrv to NULL is enough to release |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2467 | * current connection slot. This function also notifies any LB algo which might |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2468 | * expect to be informed about any change in the number of active streams on a |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2469 | * server. |
| 2470 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2471 | void sess_change_server(struct stream *sess, struct server *newsrv) |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2472 | { |
| 2473 | if (sess->srv_conn == newsrv) |
| 2474 | return; |
| 2475 | |
| 2476 | if (sess->srv_conn) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 2477 | _HA_ATOMIC_SUB(&sess->srv_conn->served, 1); |
| 2478 | _HA_ATOMIC_SUB(&sess->srv_conn->proxy->served, 1); |
| 2479 | __ha_barrier_atomic_store(); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2480 | if (sess->srv_conn->proxy->lbprm.server_drop_conn) |
| 2481 | sess->srv_conn->proxy->lbprm.server_drop_conn(sess->srv_conn); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2482 | stream_del_srv_conn(sess); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | if (newsrv) { |
Olivier Houchard | dc6111e | 2019-03-08 18:54:51 +0100 | [diff] [blame] | 2486 | _HA_ATOMIC_ADD(&newsrv->served, 1); |
| 2487 | _HA_ATOMIC_ADD(&newsrv->proxy->served, 1); |
| 2488 | __ha_barrier_atomic_store(); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2489 | if (newsrv->proxy->lbprm.server_take_conn) |
| 2490 | newsrv->proxy->lbprm.server_take_conn(newsrv); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2491 | stream_add_srv_conn(sess, newsrv); |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2492 | } |
| 2493 | } |
| 2494 | |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2495 | /* Handle server-side errors for default protocols. It is called whenever a a |
| 2496 | * connection setup is aborted or a request is aborted in queue. It sets the |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2497 | * stream termination flags so that the caller does not have to worry about |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2498 | * them. It's installed as ->srv_error for the server-side stream_interface. |
| 2499 | */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2500 | void default_srv_error(struct stream *s, struct stream_interface *si) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2501 | { |
| 2502 | int err_type = si->err_type; |
| 2503 | int err = 0, fin = 0; |
| 2504 | |
| 2505 | if (err_type & SI_ET_QUEUE_ABRT) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2506 | err = SF_ERR_CLICL; |
| 2507 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2508 | } |
| 2509 | else if (err_type & SI_ET_CONN_ABRT) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2510 | err = SF_ERR_CLICL; |
| 2511 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2512 | } |
| 2513 | else if (err_type & SI_ET_QUEUE_TO) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2514 | err = SF_ERR_SRVTO; |
| 2515 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2516 | } |
| 2517 | else if (err_type & SI_ET_QUEUE_ERR) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2518 | err = SF_ERR_SRVCL; |
| 2519 | fin = SF_FINST_Q; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2520 | } |
| 2521 | else if (err_type & SI_ET_CONN_TO) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2522 | err = SF_ERR_SRVTO; |
| 2523 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2524 | } |
| 2525 | else if (err_type & SI_ET_CONN_ERR) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2526 | err = SF_ERR_SRVCL; |
| 2527 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2528 | } |
Willy Tarreau | 2d400bb | 2012-05-14 12:11:47 +0200 | [diff] [blame] | 2529 | else if (err_type & SI_ET_CONN_RES) { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2530 | err = SF_ERR_RESOURCE; |
| 2531 | fin = SF_FINST_C; |
Willy Tarreau | 2d400bb | 2012-05-14 12:11:47 +0200 | [diff] [blame] | 2532 | } |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2533 | else /* SI_ET_CONN_OTHER and others */ { |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2534 | err = SF_ERR_INTERNAL; |
| 2535 | fin = SF_FINST_C; |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2536 | } |
| 2537 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2538 | if (!(s->flags & SF_ERR_MASK)) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2539 | s->flags |= err; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2540 | if (!(s->flags & SF_FINST_MASK)) |
Willy Tarreau | 8445533 | 2009-03-15 22:34:05 +0100 | [diff] [blame] | 2541 | s->flags |= fin; |
| 2542 | } |
Willy Tarreau | 7c669d7 | 2008-06-20 15:04:11 +0200 | [diff] [blame] | 2543 | |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2544 | /* kill a stream and set the termination flags to <why> (one of SF_ERR_*) */ |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2545 | void stream_shutdown(struct stream *stream, int why) |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2546 | { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2547 | if (stream->req.flags & (CF_SHUTW|CF_SHUTW_NOW)) |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2548 | return; |
| 2549 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2550 | channel_shutw_now(&stream->req); |
| 2551 | channel_shutr_now(&stream->res); |
| 2552 | stream->task->nice = 1024; |
Willy Tarreau | e7dff02 | 2015-04-03 01:14:29 +0200 | [diff] [blame] | 2553 | if (!(stream->flags & SF_ERR_MASK)) |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 2554 | stream->flags |= why; |
| 2555 | task_wakeup(stream->task, TASK_WOKEN_OTHER); |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 2556 | } |
Willy Tarreau | 9ba2dcc | 2010-06-14 21:04:55 +0200 | [diff] [blame] | 2557 | |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2558 | /* Appends a dump of the state of stream <s> into buffer <buf> which must have |
| 2559 | * preliminary be prepared by its caller, with each line prepended by prefix |
| 2560 | * <pfx>, and each line terminated by character <eol>. |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2561 | */ |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2562 | void stream_dump(struct buffer *buf, const struct stream *s, const char *pfx, char eol) |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2563 | { |
| 2564 | const struct conn_stream *csf, *csb; |
| 2565 | const struct connection *cof, *cob; |
| 2566 | const struct appctx *acf, *acb; |
| 2567 | const struct server *srv; |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2568 | const char *src = "unknown"; |
| 2569 | const char *dst = "unknown"; |
| 2570 | char pn[INET6_ADDRSTRLEN]; |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2571 | const struct channel *req, *res; |
| 2572 | const struct stream_interface *si_f, *si_b; |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2573 | |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2574 | if (!s) { |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2575 | chunk_appendf(buf, "%sstrm=%p%c", pfx, s, eol); |
| 2576 | return; |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2577 | } |
| 2578 | |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2579 | if (s->obj_type != OBJ_TYPE_STREAM) { |
| 2580 | chunk_appendf(buf, "%sstrm=%p [invalid type=%d(%s)]%c", |
| 2581 | pfx, s, s->obj_type, obj_type_name(&s->obj_type), eol); |
| 2582 | return; |
| 2583 | } |
| 2584 | |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2585 | si_f = &s->si[0]; |
| 2586 | si_b = &s->si[1]; |
| 2587 | req = &s->req; |
| 2588 | res = &s->res; |
| 2589 | |
| 2590 | csf = objt_cs(si_f->end); |
| 2591 | cof = cs_conn(csf); |
| 2592 | acf = objt_appctx(si_f->end); |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2593 | if (cof && cof->src && addr_to_str(cof->src, pn, sizeof(pn)) >= 0) |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2594 | src = pn; |
| 2595 | else if (acf) |
| 2596 | src = acf->applet->name; |
| 2597 | |
| 2598 | csb = objt_cs(si_b->end); |
| 2599 | cob = cs_conn(csb); |
| 2600 | acb = objt_appctx(si_b->end); |
| 2601 | srv = objt_server(s->target); |
| 2602 | if (srv) |
| 2603 | dst = srv->id; |
| 2604 | else if (acb) |
| 2605 | dst = acb->applet->name; |
| 2606 | |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2607 | chunk_appendf(buf, |
| 2608 | "%sstrm=%p src=%s fe=%s be=%s dst=%s%c" |
| 2609 | "%srqf=%x rqa=%x rpf=%x rpa=%x sif=%s,%x sib=%s,%x%c" |
| 2610 | "%saf=%p,%u csf=%p,%x%c" |
| 2611 | "%sab=%p,%u csb=%p,%x%c" |
| 2612 | "%scof=%p,%x:%s(%p)/%s(%p)/%s(%d)%c" |
| 2613 | "%scob=%p,%x:%s(%p)/%s(%p)/%s(%d)%c" |
| 2614 | "", |
| 2615 | pfx, s, src, s->sess->fe->id, s->be->id, dst, eol, |
| 2616 | pfx, req->flags, req->analysers, res->flags, res->analysers, |
| 2617 | si_state_str(si_f->state), si_f->flags, |
| 2618 | si_state_str(si_b->state), si_b->flags, eol, |
| 2619 | pfx, acf, acf ? acf->st0 : 0, csf, csf ? csf->flags : 0, eol, |
| 2620 | pfx, acb, acb ? acb->st0 : 0, csb, csb ? csb->flags : 0, eol, |
| 2621 | pfx, cof, cof ? cof->flags : 0, conn_get_mux_name(cof), cof?cof->ctx:0, conn_get_xprt_name(cof), |
| 2622 | cof ? cof->xprt_ctx : 0, conn_get_ctrl_name(cof), cof ? cof->handle.fd : 0, eol, |
| 2623 | pfx, cob, cob ? cob->flags : 0, conn_get_mux_name(cob), cob?cob->ctx:0, conn_get_xprt_name(cob), |
| 2624 | cob ? cob->xprt_ctx : 0, conn_get_ctrl_name(cob), cob ? cob->handle.fd : 0, eol); |
| 2625 | } |
| 2626 | |
| 2627 | /* dumps an error message for type <type> at ptr <ptr> related to stream <s>, |
Willy Tarreau | b106ce1 | 2019-05-22 08:57:01 +0200 | [diff] [blame] | 2628 | * having reached loop rate <rate>, then aborts hoping to retrieve a core. |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2629 | */ |
| 2630 | void stream_dump_and_crash(enum obj_type *obj, int rate) |
| 2631 | { |
| 2632 | const struct stream *s; |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2633 | char *msg = NULL; |
| 2634 | const void *ptr; |
| 2635 | |
| 2636 | ptr = s = objt_stream(obj); |
| 2637 | if (!s) { |
| 2638 | const struct appctx *appctx = objt_appctx(obj); |
| 2639 | if (!appctx) |
| 2640 | return; |
| 2641 | ptr = appctx; |
| 2642 | s = si_strm(appctx->owner); |
| 2643 | if (!s) |
| 2644 | return; |
| 2645 | } |
| 2646 | |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2647 | chunk_reset(&trash); |
| 2648 | stream_dump(&trash, s, "", ' '); |
Willy Tarreau | b106ce1 | 2019-05-22 08:57:01 +0200 | [diff] [blame] | 2649 | memprintf(&msg, |
| 2650 | "A bogus %s [%p] is spinning at %d calls per second and refuses to die, " |
| 2651 | "aborting now! Please report this error to developers " |
| 2652 | "[%s]\n", |
Willy Tarreau | 5484d58 | 2019-05-22 09:33:03 +0200 | [diff] [blame] | 2653 | obj_type_name(obj), ptr, rate, trash.area); |
Willy Tarreau | 71c07ac | 2019-04-25 19:08:48 +0200 | [diff] [blame] | 2654 | |
| 2655 | ha_alert("%s", msg); |
| 2656 | send_log(NULL, LOG_EMERG, "%s", msg); |
| 2657 | abort(); |
| 2658 | } |
| 2659 | |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 2660 | /************************************************************************/ |
| 2661 | /* All supported ACL keywords must be declared here. */ |
| 2662 | /************************************************************************/ |
| 2663 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 2664 | /* 0=OK, <0=Alert, >0=Warning */ |
| 2665 | static enum act_parse_ret stream_parse_use_service(const char **args, int *cur_arg, |
| 2666 | struct proxy *px, struct act_rule *rule, |
| 2667 | char **err) |
| 2668 | { |
| 2669 | struct action_kw *kw; |
| 2670 | |
| 2671 | /* Check if the service name exists. */ |
| 2672 | if (*(args[*cur_arg]) == 0) { |
| 2673 | memprintf(err, "'%s' expects a service name.", args[0]); |
Thierry FOURNIER | 337eae1 | 2015-11-26 19:48:04 +0100 | [diff] [blame] | 2674 | return ACT_RET_PRS_ERR; |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 2675 | } |
| 2676 | |
| 2677 | /* lookup for keyword corresponding to a service. */ |
| 2678 | kw = action_lookup(&service_keywords, args[*cur_arg]); |
| 2679 | if (!kw) { |
| 2680 | memprintf(err, "'%s' unknown service name.", args[1]); |
| 2681 | return ACT_RET_PRS_ERR; |
| 2682 | } |
| 2683 | (*cur_arg)++; |
| 2684 | |
| 2685 | /* executes specific rule parser. */ |
| 2686 | rule->kw = kw; |
| 2687 | if (kw->parse((const char **)args, cur_arg, px, rule, err) == ACT_RET_PRS_ERR) |
| 2688 | return ACT_RET_PRS_ERR; |
| 2689 | |
| 2690 | /* Register processing function. */ |
| 2691 | rule->action_ptr = process_use_service; |
| 2692 | rule->action = ACT_CUSTOM; |
| 2693 | |
| 2694 | return ACT_RET_PRS_OK; |
| 2695 | } |
| 2696 | |
| 2697 | void service_keywords_register(struct action_kw_list *kw_list) |
| 2698 | { |
| 2699 | LIST_ADDQ(&service_keywords, &kw_list->list); |
| 2700 | } |
| 2701 | |
Willy Tarreau | 679bba1 | 2019-03-19 08:08:10 +0100 | [diff] [blame] | 2702 | /* Lists the known services on <out> */ |
| 2703 | void list_services(FILE *out) |
| 2704 | { |
| 2705 | struct action_kw_list *kw_list; |
| 2706 | int found = 0; |
| 2707 | int i; |
| 2708 | |
| 2709 | fprintf(out, "Available services :"); |
| 2710 | list_for_each_entry(kw_list, &service_keywords, list) { |
| 2711 | for (i = 0; kw_list->kw[i].kw != NULL; i++) { |
| 2712 | if (!found) |
| 2713 | fputc('\n', out); |
| 2714 | found = 1; |
| 2715 | fprintf(out, "\t%s\n", kw_list->kw[i].kw); |
| 2716 | } |
| 2717 | } |
| 2718 | if (!found) |
| 2719 | fprintf(out, " none\n"); |
| 2720 | } |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2721 | |
| 2722 | /* This function dumps a complete stream state onto the stream interface's |
| 2723 | * read buffer. The stream has to be set in strm. It returns 0 if the output |
| 2724 | * buffer is full and it needs to be called again, otherwise non-zero. It is |
| 2725 | * designed to be called from stats_dump_strm_to_buffer() below. |
| 2726 | */ |
| 2727 | static int stats_dump_full_strm_to_buffer(struct stream_interface *si, struct stream *strm) |
| 2728 | { |
| 2729 | struct appctx *appctx = __objt_appctx(si->end); |
| 2730 | struct tm tm; |
| 2731 | extern const char *monthname[12]; |
| 2732 | char pn[INET6_ADDRSTRLEN]; |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2733 | struct conn_stream *cs; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2734 | struct connection *conn; |
| 2735 | struct appctx *tmpctx; |
| 2736 | |
| 2737 | chunk_reset(&trash); |
| 2738 | |
| 2739 | if (appctx->ctx.sess.section > 0 && appctx->ctx.sess.uid != strm->uniq_id) { |
| 2740 | /* stream changed, no need to go any further */ |
| 2741 | chunk_appendf(&trash, " *** session terminated while we were watching it ***\n"); |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 2742 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 2743 | goto full; |
| 2744 | goto done; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2745 | } |
| 2746 | |
| 2747 | switch (appctx->ctx.sess.section) { |
| 2748 | case 0: /* main status of the stream */ |
| 2749 | appctx->ctx.sess.uid = strm->uniq_id; |
| 2750 | appctx->ctx.sess.section = 1; |
| 2751 | /* fall through */ |
| 2752 | |
| 2753 | case 1: |
| 2754 | get_localtime(strm->logs.accept_date.tv_sec, &tm); |
| 2755 | chunk_appendf(&trash, |
| 2756 | "%p: [%02d/%s/%04d:%02d:%02d:%02d.%06d] id=%u proto=%s", |
| 2757 | strm, |
| 2758 | tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900, |
| 2759 | tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(strm->logs.accept_date.tv_usec), |
| 2760 | strm->uniq_id, |
| 2761 | strm_li(strm) ? strm_li(strm)->proto->name : "?"); |
| 2762 | |
| 2763 | conn = objt_conn(strm_orig(strm)); |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2764 | switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2765 | case AF_INET: |
| 2766 | case AF_INET6: |
| 2767 | chunk_appendf(&trash, " source=%s:%d\n", |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2768 | pn, get_host_port(conn->src)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2769 | break; |
| 2770 | case AF_UNIX: |
| 2771 | chunk_appendf(&trash, " source=unix:%d\n", strm_li(strm)->luid); |
| 2772 | break; |
| 2773 | default: |
| 2774 | /* no more information to print right now */ |
| 2775 | chunk_appendf(&trash, "\n"); |
| 2776 | break; |
| 2777 | } |
| 2778 | |
| 2779 | chunk_appendf(&trash, |
Willy Tarreau | adf7a15 | 2019-01-07 10:10:07 +0100 | [diff] [blame] | 2780 | " flags=0x%x, conn_retries=%d, srv_conn=%p, pend_pos=%p waiting=%d\n", |
| 2781 | strm->flags, strm->si[1].conn_retries, strm->srv_conn, strm->pend_pos, |
Willy Tarreau | 2104659 | 2020-02-26 10:39:36 +0100 | [diff] [blame] | 2782 | MT_LIST_ADDED(&strm->buffer_wait.list)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2783 | |
| 2784 | chunk_appendf(&trash, |
| 2785 | " frontend=%s (id=%u mode=%s), listener=%s (id=%u)", |
| 2786 | strm_fe(strm)->id, strm_fe(strm)->uuid, strm_fe(strm)->mode ? "http" : "tcp", |
| 2787 | strm_li(strm) ? strm_li(strm)->name ? strm_li(strm)->name : "?" : "?", |
| 2788 | strm_li(strm) ? strm_li(strm)->luid : 0); |
| 2789 | |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2790 | switch (conn && conn_get_dst(conn) ? addr_to_str(conn->dst, pn, sizeof(pn)) : AF_UNSPEC) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2791 | case AF_INET: |
| 2792 | case AF_INET6: |
| 2793 | chunk_appendf(&trash, " addr=%s:%d\n", |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2794 | pn, get_host_port(conn->dst)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2795 | break; |
| 2796 | case AF_UNIX: |
| 2797 | chunk_appendf(&trash, " addr=unix:%d\n", strm_li(strm)->luid); |
| 2798 | break; |
| 2799 | default: |
| 2800 | /* no more information to print right now */ |
| 2801 | chunk_appendf(&trash, "\n"); |
| 2802 | break; |
| 2803 | } |
| 2804 | |
| 2805 | if (strm->be->cap & PR_CAP_BE) |
| 2806 | chunk_appendf(&trash, |
| 2807 | " backend=%s (id=%u mode=%s)", |
| 2808 | strm->be->id, |
| 2809 | strm->be->uuid, strm->be->mode ? "http" : "tcp"); |
| 2810 | else |
| 2811 | chunk_appendf(&trash, " backend=<NONE> (id=-1 mode=-)"); |
| 2812 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2813 | cs = objt_cs(strm->si[1].end); |
| 2814 | conn = cs_conn(cs); |
| 2815 | |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2816 | switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2817 | case AF_INET: |
| 2818 | case AF_INET6: |
| 2819 | chunk_appendf(&trash, " addr=%s:%d\n", |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2820 | pn, get_host_port(conn->src)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2821 | break; |
| 2822 | case AF_UNIX: |
| 2823 | chunk_appendf(&trash, " addr=unix\n"); |
| 2824 | break; |
| 2825 | default: |
| 2826 | /* no more information to print right now */ |
| 2827 | chunk_appendf(&trash, "\n"); |
| 2828 | break; |
| 2829 | } |
| 2830 | |
| 2831 | if (strm->be->cap & PR_CAP_BE) |
| 2832 | chunk_appendf(&trash, |
| 2833 | " server=%s (id=%u)", |
| 2834 | objt_server(strm->target) ? objt_server(strm->target)->id : "<none>", |
| 2835 | objt_server(strm->target) ? objt_server(strm->target)->puid : 0); |
| 2836 | else |
| 2837 | chunk_appendf(&trash, " server=<NONE> (id=-1)"); |
| 2838 | |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2839 | switch (conn && conn_get_dst(conn) ? addr_to_str(conn->dst, pn, sizeof(pn)) : AF_UNSPEC) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2840 | case AF_INET: |
| 2841 | case AF_INET6: |
| 2842 | chunk_appendf(&trash, " addr=%s:%d\n", |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 2843 | pn, get_host_port(conn->dst)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2844 | break; |
| 2845 | case AF_UNIX: |
| 2846 | chunk_appendf(&trash, " addr=unix\n"); |
| 2847 | break; |
| 2848 | default: |
| 2849 | /* no more information to print right now */ |
| 2850 | chunk_appendf(&trash, "\n"); |
| 2851 | break; |
| 2852 | } |
| 2853 | |
| 2854 | chunk_appendf(&trash, |
Willy Tarreau | 2e9c1d2 | 2019-04-24 08:28:31 +0200 | [diff] [blame] | 2855 | " task=%p (state=0x%02x nice=%d calls=%u rate=%u exp=%s tmask=0x%lx%s", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2856 | strm->task, |
| 2857 | strm->task->state, |
Willy Tarreau | 2e9c1d2 | 2019-04-24 08:28:31 +0200 | [diff] [blame] | 2858 | strm->task->nice, strm->task->calls, read_freq_ctr(&strm->call_rate), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2859 | strm->task->expire ? |
| 2860 | tick_is_expired(strm->task->expire, now_ms) ? "<PAST>" : |
| 2861 | human_time(TICKS_TO_MS(strm->task->expire - now_ms), |
| 2862 | TICKS_TO_MS(1000)) : "<NEVER>", |
Christopher Faulet | f020506 | 2017-11-15 20:56:43 +0100 | [diff] [blame] | 2863 | strm->task->thread_mask, |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2864 | task_in_rq(strm->task) ? ", running" : ""); |
| 2865 | |
| 2866 | chunk_appendf(&trash, |
| 2867 | " age=%s)\n", |
| 2868 | human_time(now.tv_sec - strm->logs.accept_date.tv_sec, 1)); |
| 2869 | |
| 2870 | if (strm->txn) |
| 2871 | chunk_appendf(&trash, |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 2872 | " 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 Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2873 | strm->txn, strm->txn->flags, strm->txn->meth, strm->txn->status, |
Willy Tarreau | 7778b59 | 2019-01-07 10:38:10 +0100 | [diff] [blame] | 2874 | h1_msg_state_str(strm->txn->req.msg_state), h1_msg_state_str(strm->txn->rsp.msg_state), |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 2875 | strm->txn->req.flags, strm->txn->rsp.flags); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2876 | |
| 2877 | chunk_appendf(&trash, |
Christopher Faulet | 224a2d7 | 2019-01-04 15:06:13 +0100 | [diff] [blame] | 2878 | " si[0]=%p (state=%s flags=0x%02x endp0=%s:%p exp=%s et=0x%03x sub=%d)\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2879 | &strm->si[0], |
| 2880 | si_state_str(strm->si[0].state), |
| 2881 | strm->si[0].flags, |
| 2882 | obj_type_name(strm->si[0].end), |
| 2883 | obj_base_ptr(strm->si[0].end), |
| 2884 | strm->si[0].exp ? |
| 2885 | tick_is_expired(strm->si[0].exp, now_ms) ? "<PAST>" : |
| 2886 | human_time(TICKS_TO_MS(strm->si[0].exp - now_ms), |
| 2887 | TICKS_TO_MS(1000)) : "<NEVER>", |
Christopher Faulet | 224a2d7 | 2019-01-04 15:06:13 +0100 | [diff] [blame] | 2888 | strm->si[0].err_type, strm->si[0].wait_event.events); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2889 | |
| 2890 | chunk_appendf(&trash, |
Christopher Faulet | 224a2d7 | 2019-01-04 15:06:13 +0100 | [diff] [blame] | 2891 | " si[1]=%p (state=%s flags=0x%02x endp1=%s:%p exp=%s et=0x%03x sub=%d)\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2892 | &strm->si[1], |
| 2893 | si_state_str(strm->si[1].state), |
| 2894 | strm->si[1].flags, |
| 2895 | obj_type_name(strm->si[1].end), |
| 2896 | obj_base_ptr(strm->si[1].end), |
| 2897 | strm->si[1].exp ? |
| 2898 | tick_is_expired(strm->si[1].exp, now_ms) ? "<PAST>" : |
| 2899 | human_time(TICKS_TO_MS(strm->si[1].exp - now_ms), |
| 2900 | TICKS_TO_MS(1000)) : "<NEVER>", |
Christopher Faulet | 224a2d7 | 2019-01-04 15:06:13 +0100 | [diff] [blame] | 2901 | strm->si[1].err_type, strm->si[1].wait_event.events); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2902 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2903 | if ((cs = objt_cs(strm->si[0].end)) != NULL) { |
| 2904 | conn = cs->conn; |
| 2905 | |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2906 | chunk_appendf(&trash, |
Willy Tarreau | 53a4766 | 2017-08-28 10:53:00 +0200 | [diff] [blame] | 2907 | " co0=%p ctrl=%s xprt=%s mux=%s data=%s target=%s:%p\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2908 | conn, |
| 2909 | conn_get_ctrl_name(conn), |
| 2910 | conn_get_xprt_name(conn), |
Willy Tarreau | 53a4766 | 2017-08-28 10:53:00 +0200 | [diff] [blame] | 2911 | conn_get_mux_name(conn), |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2912 | cs_get_data_name(cs), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2913 | obj_type_name(conn->target), |
| 2914 | obj_base_ptr(conn->target)); |
| 2915 | |
| 2916 | chunk_appendf(&trash, |
Willy Tarreau | 76913d3 | 2019-08-30 14:33:11 +0200 | [diff] [blame] | 2917 | " flags=0x%08x fd=%d fd.state=%02x updt=%d fd.tmask=0x%lx\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2918 | conn->flags, |
Willy Tarreau | 585744b | 2017-08-24 14:31:19 +0200 | [diff] [blame] | 2919 | conn->handle.fd, |
| 2920 | conn->handle.fd >= 0 ? fdtab[conn->handle.fd].state : 0, |
Willy Tarreau | ebc78d7 | 2018-01-20 23:53:50 +0100 | [diff] [blame] | 2921 | conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0, |
Christopher Faulet | f020506 | 2017-11-15 20:56:43 +0100 | [diff] [blame] | 2922 | conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0); |
Willy Tarreau | fb3b1b0 | 2018-12-18 14:28:24 +0100 | [diff] [blame] | 2923 | |
| 2924 | chunk_appendf(&trash, " cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2925 | } |
| 2926 | else if ((tmpctx = objt_appctx(strm->si[0].end)) != NULL) { |
| 2927 | chunk_appendf(&trash, |
Willy Tarreau | 22d63a2 | 2019-04-24 08:41:29 +0200 | [diff] [blame] | 2928 | " 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 Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2929 | tmpctx, |
| 2930 | tmpctx->st0, |
| 2931 | tmpctx->st1, |
| 2932 | tmpctx->st2, |
Christopher Faulet | f020506 | 2017-11-15 20:56:43 +0100 | [diff] [blame] | 2933 | tmpctx->applet->name, |
Willy Tarreau | 34b1fac | 2018-05-31 14:40:19 +0200 | [diff] [blame] | 2934 | tmpctx->thread_mask, |
Willy Tarreau | 22d63a2 | 2019-04-24 08:41:29 +0200 | [diff] [blame] | 2935 | tmpctx->t->nice, tmpctx->t->calls, read_freq_ctr(&tmpctx->call_rate), |
Willy Tarreau | 9efd745 | 2018-05-31 14:48:54 +0200 | [diff] [blame] | 2936 | (unsigned long long)tmpctx->t->cpu_time, (unsigned long long)tmpctx->t->lat_time); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2937 | } |
| 2938 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2939 | if ((cs = objt_cs(strm->si[1].end)) != NULL) { |
| 2940 | conn = cs->conn; |
| 2941 | |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2942 | chunk_appendf(&trash, |
Willy Tarreau | 53a4766 | 2017-08-28 10:53:00 +0200 | [diff] [blame] | 2943 | " co1=%p ctrl=%s xprt=%s mux=%s data=%s target=%s:%p\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2944 | conn, |
| 2945 | conn_get_ctrl_name(conn), |
| 2946 | conn_get_xprt_name(conn), |
Willy Tarreau | 53a4766 | 2017-08-28 10:53:00 +0200 | [diff] [blame] | 2947 | conn_get_mux_name(conn), |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 2948 | cs_get_data_name(cs), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2949 | obj_type_name(conn->target), |
| 2950 | obj_base_ptr(conn->target)); |
| 2951 | |
| 2952 | chunk_appendf(&trash, |
Willy Tarreau | 76913d3 | 2019-08-30 14:33:11 +0200 | [diff] [blame] | 2953 | " flags=0x%08x fd=%d fd.state=%02x updt=%d fd.tmask=0x%lx\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2954 | conn->flags, |
Willy Tarreau | 585744b | 2017-08-24 14:31:19 +0200 | [diff] [blame] | 2955 | conn->handle.fd, |
| 2956 | conn->handle.fd >= 0 ? fdtab[conn->handle.fd].state : 0, |
Willy Tarreau | ebc78d7 | 2018-01-20 23:53:50 +0100 | [diff] [blame] | 2957 | conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0, |
Christopher Faulet | f020506 | 2017-11-15 20:56:43 +0100 | [diff] [blame] | 2958 | conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0); |
Willy Tarreau | fb3b1b0 | 2018-12-18 14:28:24 +0100 | [diff] [blame] | 2959 | |
| 2960 | chunk_appendf(&trash, " cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2961 | } |
| 2962 | else if ((tmpctx = objt_appctx(strm->si[1].end)) != NULL) { |
| 2963 | chunk_appendf(&trash, |
Willy Tarreau | 22d63a2 | 2019-04-24 08:41:29 +0200 | [diff] [blame] | 2964 | " 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 Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2965 | tmpctx, |
| 2966 | tmpctx->st0, |
| 2967 | tmpctx->st1, |
| 2968 | tmpctx->st2, |
Christopher Faulet | f020506 | 2017-11-15 20:56:43 +0100 | [diff] [blame] | 2969 | tmpctx->applet->name, |
Willy Tarreau | 34b1fac | 2018-05-31 14:40:19 +0200 | [diff] [blame] | 2970 | tmpctx->thread_mask, |
Willy Tarreau | 22d63a2 | 2019-04-24 08:41:29 +0200 | [diff] [blame] | 2971 | tmpctx->t->nice, tmpctx->t->calls, read_freq_ctr(&tmpctx->call_rate), |
Willy Tarreau | 9efd745 | 2018-05-31 14:48:54 +0200 | [diff] [blame] | 2972 | (unsigned long long)tmpctx->t->cpu_time, (unsigned long long)tmpctx->t->lat_time); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2973 | } |
| 2974 | |
| 2975 | chunk_appendf(&trash, |
| 2976 | " req=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n" |
| 2977 | " an_exp=%s", |
| 2978 | &strm->req, |
| 2979 | strm->req.flags, strm->req.analysers, |
| 2980 | strm->req.pipe ? strm->req.pipe->data : 0, |
| 2981 | strm->req.to_forward, strm->req.total, |
| 2982 | strm->req.analyse_exp ? |
| 2983 | human_time(TICKS_TO_MS(strm->req.analyse_exp - now_ms), |
| 2984 | TICKS_TO_MS(1000)) : "<NEVER>"); |
| 2985 | |
| 2986 | chunk_appendf(&trash, |
| 2987 | " rex=%s", |
| 2988 | strm->req.rex ? |
| 2989 | human_time(TICKS_TO_MS(strm->req.rex - now_ms), |
| 2990 | TICKS_TO_MS(1000)) : "<NEVER>"); |
| 2991 | |
| 2992 | chunk_appendf(&trash, |
| 2993 | " wex=%s\n" |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 2994 | " buf=%p data=%p o=%u p=%u i=%u size=%u\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 2995 | strm->req.wex ? |
| 2996 | human_time(TICKS_TO_MS(strm->req.wex - now_ms), |
| 2997 | TICKS_TO_MS(1000)) : "<NEVER>", |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 2998 | &strm->req.buf, |
| 2999 | b_orig(&strm->req.buf), (unsigned int)co_data(&strm->req), |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 3000 | (unsigned int)ci_head_ofs(&strm->req), (unsigned int)ci_data(&strm->req), |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 3001 | (unsigned int)strm->req.buf.size); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3002 | |
Christopher Faulet | b9af881 | 2019-01-04 14:30:44 +0100 | [diff] [blame] | 3003 | if (IS_HTX_STRM(strm)) { |
| 3004 | struct htx *htx = htxbuf(&strm->req.buf); |
| 3005 | |
| 3006 | chunk_appendf(&trash, |
Willy Tarreau | b84e67f | 2019-01-07 10:01:34 +0100 | [diff] [blame] | 3007 | " htx=%p flags=0x%x size=%u data=%u used=%u wrap=%s extra=%llu\n", |
Christopher Faulet | 192c6a2 | 2019-06-11 16:32:24 +0200 | [diff] [blame] | 3008 | htx, htx->flags, htx->size, htx->data, htx_nbblks(htx), |
Christopher Faulet | 28f29c7 | 2019-04-30 17:55:45 +0200 | [diff] [blame] | 3009 | (htx->tail >= htx->head) ? "NO" : "YES", |
Christopher Faulet | b9af881 | 2019-01-04 14:30:44 +0100 | [diff] [blame] | 3010 | (unsigned long long)htx->extra); |
| 3011 | } |
| 3012 | |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3013 | chunk_appendf(&trash, |
| 3014 | " res=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n" |
| 3015 | " an_exp=%s", |
| 3016 | &strm->res, |
| 3017 | strm->res.flags, strm->res.analysers, |
| 3018 | strm->res.pipe ? strm->res.pipe->data : 0, |
| 3019 | strm->res.to_forward, strm->res.total, |
| 3020 | strm->res.analyse_exp ? |
| 3021 | human_time(TICKS_TO_MS(strm->res.analyse_exp - now_ms), |
| 3022 | TICKS_TO_MS(1000)) : "<NEVER>"); |
| 3023 | |
| 3024 | chunk_appendf(&trash, |
| 3025 | " rex=%s", |
| 3026 | strm->res.rex ? |
| 3027 | human_time(TICKS_TO_MS(strm->res.rex - now_ms), |
| 3028 | TICKS_TO_MS(1000)) : "<NEVER>"); |
| 3029 | |
| 3030 | chunk_appendf(&trash, |
| 3031 | " wex=%s\n" |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 3032 | " buf=%p data=%p o=%u p=%u i=%u size=%u\n", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3033 | strm->res.wex ? |
| 3034 | human_time(TICKS_TO_MS(strm->res.wex - now_ms), |
| 3035 | TICKS_TO_MS(1000)) : "<NEVER>", |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 3036 | &strm->res.buf, |
| 3037 | b_orig(&strm->res.buf), (unsigned int)co_data(&strm->res), |
Christopher Faulet | bcac786 | 2019-07-17 10:46:50 +0200 | [diff] [blame] | 3038 | (unsigned int)ci_head_ofs(&strm->res), (unsigned int)ci_data(&strm->res), |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 3039 | (unsigned int)strm->res.buf.size); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3040 | |
Christopher Faulet | b9af881 | 2019-01-04 14:30:44 +0100 | [diff] [blame] | 3041 | if (IS_HTX_STRM(strm)) { |
| 3042 | struct htx *htx = htxbuf(&strm->res.buf); |
| 3043 | |
| 3044 | chunk_appendf(&trash, |
| 3045 | " htx=%p flags=0x%x size=%u data=%u used=%u wrap=%s extra=%llu\n", |
Christopher Faulet | 192c6a2 | 2019-06-11 16:32:24 +0200 | [diff] [blame] | 3046 | htx, htx->flags, htx->size, htx->data, htx_nbblks(htx), |
Christopher Faulet | 28f29c7 | 2019-04-30 17:55:45 +0200 | [diff] [blame] | 3047 | (htx->tail >= htx->head) ? "NO" : "YES", |
Christopher Faulet | b9af881 | 2019-01-04 14:30:44 +0100 | [diff] [blame] | 3048 | (unsigned long long)htx->extra); |
| 3049 | } |
| 3050 | |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3051 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 3052 | goto full; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3053 | |
| 3054 | /* use other states to dump the contents */ |
| 3055 | } |
| 3056 | /* end of dump */ |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3057 | done: |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3058 | appctx->ctx.sess.uid = 0; |
| 3059 | appctx->ctx.sess.section = 0; |
| 3060 | return 1; |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3061 | full: |
| 3062 | return 0; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3063 | } |
| 3064 | |
| 3065 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 3066 | static int cli_parse_show_sess(char **args, char *payload, struct appctx *appctx, void *private) |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3067 | { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3068 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 3069 | return 1; |
| 3070 | |
| 3071 | if (*args[2] && strcmp(args[2], "all") == 0) |
| 3072 | appctx->ctx.sess.target = (void *)-1; |
| 3073 | else if (*args[2]) |
| 3074 | appctx->ctx.sess.target = (void *)strtoul(args[2], NULL, 0); |
| 3075 | else |
| 3076 | appctx->ctx.sess.target = NULL; |
| 3077 | appctx->ctx.sess.section = 0; /* start with stream status */ |
| 3078 | appctx->ctx.sess.pos = 0; |
| 3079 | |
| 3080 | return 0; |
| 3081 | } |
| 3082 | |
| 3083 | /* This function dumps all streams' states onto the stream interface's |
| 3084 | * read buffer. It returns 0 if the output buffer is full and it needs |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3085 | * to be called again, otherwise non-zero. It proceeds in an isolated |
| 3086 | * thread so there is no thread safety issue here. |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3087 | */ |
| 3088 | static int cli_io_handler_dump_sess(struct appctx *appctx) |
| 3089 | { |
| 3090 | struct stream_interface *si = appctx->owner; |
| 3091 | struct connection *conn; |
| 3092 | |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3093 | thread_isolate(); |
| 3094 | |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3095 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) { |
| 3096 | /* If we're forced to shut down, we might have to remove our |
| 3097 | * reference to the last stream being dumped. |
| 3098 | */ |
| 3099 | if (appctx->st2 == STAT_ST_LIST) { |
| 3100 | if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) { |
| 3101 | LIST_DEL(&appctx->ctx.sess.bref.users); |
| 3102 | LIST_INIT(&appctx->ctx.sess.bref.users); |
| 3103 | } |
| 3104 | } |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3105 | goto done; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3106 | } |
| 3107 | |
| 3108 | chunk_reset(&trash); |
| 3109 | |
| 3110 | switch (appctx->st2) { |
| 3111 | case STAT_ST_INIT: |
| 3112 | /* the function had not been called yet, let's prepare the |
| 3113 | * buffer for a response. We initialize the current stream |
| 3114 | * pointer to the first in the global list. When a target |
| 3115 | * stream is being destroyed, it is responsible for updating |
| 3116 | * this pointer. We know we have reached the end when this |
| 3117 | * pointer points back to the head of the streams list. |
| 3118 | */ |
| 3119 | LIST_INIT(&appctx->ctx.sess.bref.users); |
| 3120 | appctx->ctx.sess.bref.ref = streams.n; |
| 3121 | appctx->st2 = STAT_ST_LIST; |
| 3122 | /* fall through */ |
| 3123 | |
| 3124 | case STAT_ST_LIST: |
| 3125 | /* first, let's detach the back-ref from a possible previous stream */ |
| 3126 | if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) { |
| 3127 | LIST_DEL(&appctx->ctx.sess.bref.users); |
| 3128 | LIST_INIT(&appctx->ctx.sess.bref.users); |
| 3129 | } |
| 3130 | |
| 3131 | /* and start from where we stopped */ |
| 3132 | while (appctx->ctx.sess.bref.ref != &streams) { |
| 3133 | char pn[INET6_ADDRSTRLEN]; |
| 3134 | struct stream *curr_strm; |
| 3135 | |
| 3136 | curr_strm = LIST_ELEM(appctx->ctx.sess.bref.ref, struct stream *, list); |
| 3137 | |
| 3138 | if (appctx->ctx.sess.target) { |
| 3139 | if (appctx->ctx.sess.target != (void *)-1 && appctx->ctx.sess.target != curr_strm) |
| 3140 | goto next_sess; |
| 3141 | |
| 3142 | LIST_ADDQ(&curr_strm->back_refs, &appctx->ctx.sess.bref.users); |
| 3143 | /* call the proper dump() function and return if we're missing space */ |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3144 | if (!stats_dump_full_strm_to_buffer(si, curr_strm)) |
| 3145 | goto full; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3146 | |
| 3147 | /* stream dump complete */ |
| 3148 | LIST_DEL(&appctx->ctx.sess.bref.users); |
| 3149 | LIST_INIT(&appctx->ctx.sess.bref.users); |
| 3150 | if (appctx->ctx.sess.target != (void *)-1) { |
| 3151 | appctx->ctx.sess.target = NULL; |
| 3152 | break; |
| 3153 | } |
| 3154 | else |
| 3155 | goto next_sess; |
| 3156 | } |
| 3157 | |
| 3158 | chunk_appendf(&trash, |
| 3159 | "%p: proto=%s", |
| 3160 | curr_strm, |
| 3161 | strm_li(curr_strm) ? strm_li(curr_strm)->proto->name : "?"); |
| 3162 | |
| 3163 | conn = objt_conn(strm_orig(curr_strm)); |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 3164 | switch (conn && conn_get_src(conn) ? addr_to_str(conn->src, pn, sizeof(pn)) : AF_UNSPEC) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3165 | case AF_INET: |
| 3166 | case AF_INET6: |
| 3167 | chunk_appendf(&trash, |
| 3168 | " src=%s:%d fe=%s be=%s srv=%s", |
| 3169 | pn, |
Willy Tarreau | 71e34c1 | 2019-07-17 15:07:06 +0200 | [diff] [blame] | 3170 | get_host_port(conn->src), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3171 | strm_fe(curr_strm)->id, |
| 3172 | (curr_strm->be->cap & PR_CAP_BE) ? curr_strm->be->id : "<NONE>", |
| 3173 | objt_server(curr_strm->target) ? objt_server(curr_strm->target)->id : "<none>" |
| 3174 | ); |
| 3175 | break; |
| 3176 | case AF_UNIX: |
| 3177 | chunk_appendf(&trash, |
| 3178 | " src=unix:%d fe=%s be=%s srv=%s", |
| 3179 | strm_li(curr_strm)->luid, |
| 3180 | strm_fe(curr_strm)->id, |
| 3181 | (curr_strm->be->cap & PR_CAP_BE) ? curr_strm->be->id : "<NONE>", |
| 3182 | objt_server(curr_strm->target) ? objt_server(curr_strm->target)->id : "<none>" |
| 3183 | ); |
| 3184 | break; |
| 3185 | } |
| 3186 | |
| 3187 | chunk_appendf(&trash, |
Willy Tarreau | 2e9c1d2 | 2019-04-24 08:28:31 +0200 | [diff] [blame] | 3188 | " ts=%02x age=%s calls=%u rate=%u cpu=%llu lat=%llu", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3189 | curr_strm->task->state, |
| 3190 | human_time(now.tv_sec - curr_strm->logs.tv_accept.tv_sec, 1), |
Willy Tarreau | 2e9c1d2 | 2019-04-24 08:28:31 +0200 | [diff] [blame] | 3191 | curr_strm->task->calls, read_freq_ctr(&curr_strm->call_rate), |
Willy Tarreau | 9efd745 | 2018-05-31 14:48:54 +0200 | [diff] [blame] | 3192 | (unsigned long long)curr_strm->task->cpu_time, (unsigned long long)curr_strm->task->lat_time); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3193 | |
| 3194 | chunk_appendf(&trash, |
Willy Tarreau | 506a29a | 2018-07-18 10:07:58 +0200 | [diff] [blame] | 3195 | " rq[f=%06xh,i=%u,an=%02xh,rx=%s", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3196 | curr_strm->req.flags, |
Willy Tarreau | 7e9c30a | 2018-06-15 19:24:46 +0200 | [diff] [blame] | 3197 | (unsigned int)ci_data(&curr_strm->req), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3198 | curr_strm->req.analysers, |
| 3199 | curr_strm->req.rex ? |
| 3200 | human_time(TICKS_TO_MS(curr_strm->req.rex - now_ms), |
| 3201 | TICKS_TO_MS(1000)) : ""); |
| 3202 | |
| 3203 | chunk_appendf(&trash, |
| 3204 | ",wx=%s", |
| 3205 | curr_strm->req.wex ? |
| 3206 | human_time(TICKS_TO_MS(curr_strm->req.wex - now_ms), |
| 3207 | TICKS_TO_MS(1000)) : ""); |
| 3208 | |
| 3209 | chunk_appendf(&trash, |
| 3210 | ",ax=%s]", |
| 3211 | curr_strm->req.analyse_exp ? |
| 3212 | human_time(TICKS_TO_MS(curr_strm->req.analyse_exp - now_ms), |
| 3213 | TICKS_TO_MS(1000)) : ""); |
| 3214 | |
| 3215 | chunk_appendf(&trash, |
Willy Tarreau | 506a29a | 2018-07-18 10:07:58 +0200 | [diff] [blame] | 3216 | " rp[f=%06xh,i=%u,an=%02xh,rx=%s", |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3217 | curr_strm->res.flags, |
Willy Tarreau | 7e9c30a | 2018-06-15 19:24:46 +0200 | [diff] [blame] | 3218 | (unsigned int)ci_data(&curr_strm->res), |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3219 | curr_strm->res.analysers, |
| 3220 | curr_strm->res.rex ? |
| 3221 | human_time(TICKS_TO_MS(curr_strm->res.rex - now_ms), |
| 3222 | TICKS_TO_MS(1000)) : ""); |
| 3223 | |
| 3224 | chunk_appendf(&trash, |
| 3225 | ",wx=%s", |
| 3226 | curr_strm->res.wex ? |
| 3227 | human_time(TICKS_TO_MS(curr_strm->res.wex - now_ms), |
| 3228 | TICKS_TO_MS(1000)) : ""); |
| 3229 | |
| 3230 | chunk_appendf(&trash, |
| 3231 | ",ax=%s]", |
| 3232 | curr_strm->res.analyse_exp ? |
| 3233 | human_time(TICKS_TO_MS(curr_strm->res.analyse_exp - now_ms), |
| 3234 | TICKS_TO_MS(1000)) : ""); |
| 3235 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 3236 | conn = cs_conn(objt_cs(curr_strm->si[0].end)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3237 | chunk_appendf(&trash, |
| 3238 | " s0=[%d,%1xh,fd=%d,ex=%s]", |
| 3239 | curr_strm->si[0].state, |
| 3240 | curr_strm->si[0].flags, |
Willy Tarreau | 585744b | 2017-08-24 14:31:19 +0200 | [diff] [blame] | 3241 | conn ? conn->handle.fd : -1, |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3242 | curr_strm->si[0].exp ? |
| 3243 | human_time(TICKS_TO_MS(curr_strm->si[0].exp - now_ms), |
| 3244 | TICKS_TO_MS(1000)) : ""); |
| 3245 | |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 3246 | conn = cs_conn(objt_cs(curr_strm->si[1].end)); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3247 | chunk_appendf(&trash, |
| 3248 | " s1=[%d,%1xh,fd=%d,ex=%s]", |
| 3249 | curr_strm->si[1].state, |
| 3250 | curr_strm->si[1].flags, |
Willy Tarreau | 585744b | 2017-08-24 14:31:19 +0200 | [diff] [blame] | 3251 | conn ? conn->handle.fd : -1, |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3252 | curr_strm->si[1].exp ? |
| 3253 | human_time(TICKS_TO_MS(curr_strm->si[1].exp - now_ms), |
| 3254 | TICKS_TO_MS(1000)) : ""); |
| 3255 | |
| 3256 | chunk_appendf(&trash, |
| 3257 | " exp=%s", |
| 3258 | curr_strm->task->expire ? |
| 3259 | human_time(TICKS_TO_MS(curr_strm->task->expire - now_ms), |
| 3260 | TICKS_TO_MS(1000)) : ""); |
| 3261 | if (task_in_rq(curr_strm->task)) |
| 3262 | chunk_appendf(&trash, " run(nice=%d)", curr_strm->task->nice); |
| 3263 | |
| 3264 | chunk_appendf(&trash, "\n"); |
| 3265 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 3266 | if (ci_putchk(si_ic(si), &trash) == -1) { |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3267 | /* let's try again later from this stream. We add ourselves into |
| 3268 | * this stream's users so that it can remove us upon termination. |
| 3269 | */ |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3270 | LIST_ADDQ(&curr_strm->back_refs, &appctx->ctx.sess.bref.users); |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3271 | goto full; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3272 | } |
| 3273 | |
| 3274 | next_sess: |
| 3275 | appctx->ctx.sess.bref.ref = curr_strm->list.n; |
| 3276 | } |
| 3277 | |
| 3278 | if (appctx->ctx.sess.target && appctx->ctx.sess.target != (void *)-1) { |
| 3279 | /* specified stream not found */ |
| 3280 | if (appctx->ctx.sess.section > 0) |
| 3281 | chunk_appendf(&trash, " *** session terminated while we were watching it ***\n"); |
| 3282 | else |
| 3283 | chunk_appendf(&trash, "Session not found.\n"); |
| 3284 | |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3285 | if (ci_putchk(si_ic(si), &trash) == -1) |
| 3286 | goto full; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3287 | |
| 3288 | appctx->ctx.sess.target = NULL; |
| 3289 | appctx->ctx.sess.uid = 0; |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3290 | goto done; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3291 | } |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3292 | /* fall through */ |
| 3293 | |
| 3294 | default: |
| 3295 | appctx->st2 = STAT_ST_FIN; |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3296 | goto done; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3297 | } |
Willy Tarreau | e6e5236 | 2019-01-04 17:42:57 +0100 | [diff] [blame] | 3298 | done: |
| 3299 | thread_release(); |
| 3300 | return 1; |
| 3301 | full: |
| 3302 | thread_release(); |
| 3303 | si_rx_room_blk(si); |
| 3304 | return 0; |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3305 | } |
| 3306 | |
| 3307 | static void cli_release_show_sess(struct appctx *appctx) |
| 3308 | { |
| 3309 | if (appctx->st2 == STAT_ST_LIST) { |
Willy Tarreau | 7ce3f09 | 2017-11-10 16:24:41 +0100 | [diff] [blame] | 3310 | HA_SPIN_LOCK(STRMS_LOCK, &streams_lock); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3311 | if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) |
| 3312 | LIST_DEL(&appctx->ctx.sess.bref.users); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 3313 | HA_SPIN_UNLOCK(STRMS_LOCK, &streams_lock); |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3314 | } |
| 3315 | } |
| 3316 | |
Willy Tarreau | 61b6521 | 2016-11-24 11:09:25 +0100 | [diff] [blame] | 3317 | /* Parses the "shutdown session" directive, it always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 3318 | static int cli_parse_shutdown_session(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 61b6521 | 2016-11-24 11:09:25 +0100 | [diff] [blame] | 3319 | { |
| 3320 | struct stream *strm, *ptr; |
| 3321 | |
| 3322 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 3323 | return 1; |
| 3324 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 3325 | if (!*args[2]) |
| 3326 | return cli_err(appctx, "Session pointer expected (use 'show sess').\n"); |
Willy Tarreau | 61b6521 | 2016-11-24 11:09:25 +0100 | [diff] [blame] | 3327 | |
| 3328 | ptr = (void *)strtoul(args[2], NULL, 0); |
| 3329 | |
| 3330 | /* first, look for the requested stream in the stream table */ |
| 3331 | list_for_each_entry(strm, &streams, list) { |
| 3332 | if (strm == ptr) |
| 3333 | break; |
| 3334 | } |
| 3335 | |
| 3336 | /* do we have the stream ? */ |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 3337 | if (strm != ptr) |
| 3338 | return cli_err(appctx, "No such session (use 'show sess').\n"); |
Willy Tarreau | 61b6521 | 2016-11-24 11:09:25 +0100 | [diff] [blame] | 3339 | |
| 3340 | stream_shutdown(strm, SF_ERR_KILLED); |
| 3341 | return 1; |
| 3342 | } |
| 3343 | |
Willy Tarreau | 4e46b62 | 2016-11-23 16:50:48 +0100 | [diff] [blame] | 3344 | /* Parses the "shutdown session server" directive, it always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 3345 | static int cli_parse_shutdown_sessions_server(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 4e46b62 | 2016-11-23 16:50:48 +0100 | [diff] [blame] | 3346 | { |
| 3347 | struct server *sv; |
Willy Tarreau | 4e46b62 | 2016-11-23 16:50:48 +0100 | [diff] [blame] | 3348 | |
| 3349 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 3350 | return 1; |
| 3351 | |
| 3352 | sv = cli_find_server(appctx, args[3]); |
| 3353 | if (!sv) |
| 3354 | return 1; |
| 3355 | |
| 3356 | /* kill all the stream that are on this server */ |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 3357 | HA_SPIN_LOCK(SERVER_LOCK, &sv->lock); |
Willy Tarreau | d9e26a7 | 2019-11-14 16:37:16 +0100 | [diff] [blame] | 3358 | srv_shutdown_streams(sv, SF_ERR_KILLED); |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 3359 | HA_SPIN_UNLOCK(SERVER_LOCK, &sv->lock); |
Willy Tarreau | 4e46b62 | 2016-11-23 16:50:48 +0100 | [diff] [blame] | 3360 | return 1; |
| 3361 | } |
| 3362 | |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3363 | /* register cli keywords */ |
| 3364 | static struct cli_kw_list cli_kws = {{ },{ |
| 3365 | { { "show", "sess", NULL }, "show sess [id] : report the list of current sessions or dump this session", cli_parse_show_sess, cli_io_handler_dump_sess, cli_release_show_sess }, |
Willy Tarreau | 61b6521 | 2016-11-24 11:09:25 +0100 | [diff] [blame] | 3366 | { { "shutdown", "session", NULL }, "shutdown session : kill a specific session", cli_parse_shutdown_session, NULL, NULL }, |
Willy Tarreau | 4e46b62 | 2016-11-23 16:50:48 +0100 | [diff] [blame] | 3367 | { { "shutdown", "sessions", "server" }, "shutdown sessions server : kill sessions on a server", cli_parse_shutdown_sessions_server, NULL, NULL }, |
William Lallemand | 4c5b4d5 | 2016-11-21 08:51:11 +0100 | [diff] [blame] | 3368 | {{},} |
| 3369 | }}; |
| 3370 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3371 | INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws); |
| 3372 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 3373 | /* main configuration keyword registration. */ |
| 3374 | static struct action_kw_list stream_tcp_keywords = { ILH, { |
| 3375 | { "use-service", stream_parse_use_service }, |
| 3376 | { /* END */ } |
| 3377 | }}; |
| 3378 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3379 | INITCALL1(STG_REGISTER, tcp_req_cont_keywords_register, &stream_tcp_keywords); |
| 3380 | |
Thierry FOURNIER | 5a363e7 | 2015-09-27 19:29:33 +0200 | [diff] [blame] | 3381 | static struct action_kw_list stream_http_keywords = { ILH, { |
| 3382 | { "use-service", stream_parse_use_service }, |
| 3383 | { /* END */ } |
| 3384 | }}; |
| 3385 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3386 | INITCALL1(STG_REGISTER, http_req_keywords_register, &stream_http_keywords); |
Willy Tarreau | 8b22a71 | 2010-06-18 17:46:06 +0200 | [diff] [blame] | 3387 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3388 | /* |
| 3389 | * Local variables: |
| 3390 | * c-indent-level: 8 |
| 3391 | * c-basic-offset: 8 |
| 3392 | * End: |
| 3393 | */ |