Mercurial > hg > nginx
annotate src/event/modules/ngx_eventport_module.c @ 6479:dc92298b1852
Events: fixed logging.
| author | Sergey Kandaurov <pluknet@nginx.com> |
|---|---|
| date | Thu, 31 Mar 2016 02:33:55 +0300 |
| parents | 7d6970ba5209 |
| children | 75dbab4ea930 |
| rev | line source |
|---|---|
| 719 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 719 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_event.h> | |
| 11 | |
| 12 | |
| 13 #if (NGX_TEST_BUILD_EVENTPORT) | |
| 14 | |
| 15 #define ushort_t u_short | |
| 16 #define uint_t u_int | |
| 17 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
18 #ifndef CLOCK_REALTIME |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
19 #define CLOCK_REALTIME 0 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
20 typedef int clockid_t; |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
21 typedef void * timer_t; |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
22 #endif |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
23 |
| 719 | 24 /* Solaris declarations */ |
| 25 | |
| 26 #define PORT_SOURCE_AIO 1 | |
| 27 #define PORT_SOURCE_TIMER 2 | |
| 28 #define PORT_SOURCE_USER 3 | |
| 29 #define PORT_SOURCE_FD 4 | |
| 30 #define PORT_SOURCE_ALERT 5 | |
| 31 #define PORT_SOURCE_MQ 6 | |
| 32 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
33 #ifndef ETIME |
| 719 | 34 #define ETIME 64 |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
35 #endif |
| 719 | 36 |
| 37 #define SIGEV_PORT 4 | |
| 38 | |
| 39 typedef struct { | |
| 40 int portev_events; /* event data is source specific */ | |
| 41 ushort_t portev_source; /* event source */ | |
| 42 ushort_t portev_pad; /* port internal use */ | |
| 43 uintptr_t portev_object; /* source specific object */ | |
| 44 void *portev_user; /* user cookie */ | |
| 45 } port_event_t; | |
| 46 | |
| 47 typedef struct port_notify { | |
| 48 int portnfy_port; /* bind request(s) to port */ | |
| 49 void *portnfy_user; /* user defined */ | |
| 50 } port_notify_t; | |
| 51 | |
|
6475
7d6970ba5209
Events: fixed test building with eventport on OS X.
Ruslan Ermilov <ru@nginx.com>
parents:
6447
diff
changeset
|
52 #if (__FreeBSD__ && __FreeBSD_version < 700005) || (NGX_DARWIN) |
|
1939
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
53 |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
54 typedef struct itimerspec { /* definition per POSIX.4 */ |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
55 struct timespec it_interval;/* timer period */ |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
56 struct timespec it_value; /* timer expiration */ |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
57 } itimerspec_t; |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
58 |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
59 #endif |
|
6e7daf852eec
restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents:
1870
diff
changeset
|
60 |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
61 int port_create(void); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
62 |
| 719 | 63 int port_create(void) |
| 64 { | |
| 65 return -1; | |
| 66 } | |
| 67 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
68 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
69 int port_associate(int port, int source, uintptr_t object, int events, |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
70 void *user); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
71 |
| 719 | 72 int port_associate(int port, int source, uintptr_t object, int events, |
| 73 void *user) | |
| 74 { | |
| 75 return -1; | |
| 76 } | |
| 77 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
78 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
79 int port_dissociate(int port, int source, uintptr_t object); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
80 |
| 719 | 81 int port_dissociate(int port, int source, uintptr_t object) |
| 82 { | |
| 83 return -1; | |
| 84 } | |
| 85 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
86 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
87 int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget, |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
88 struct timespec *timeout); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
89 |
| 719 | 90 int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget, |
| 91 struct timespec *timeout) | |
| 92 { | |
| 93 return -1; | |
| 94 } | |
| 95 | |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
96 int port_send(int port, int events, void *user); |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
97 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
98 int port_send(int port, int events, void *user) |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
99 { |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
100 return -1; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
101 } |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
102 |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
103 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
104 int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
105 |
| 719 | 106 int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid) |
| 107 { | |
| 108 return -1; | |
| 109 } | |
| 110 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
111 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
112 int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
113 struct itimerspec *ovalue); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
114 |
| 719 | 115 int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, |
| 116 struct itimerspec *ovalue) | |
| 117 { | |
| 118 return -1; | |
| 119 } | |
| 120 | |
|
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
121 |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
122 int timer_delete(timer_t timerid); |
|
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4572
diff
changeset
|
123 |
| 719 | 124 int timer_delete(timer_t timerid) |
| 125 { | |
| 126 return -1; | |
| 127 } | |
| 128 | |
| 129 #endif | |
| 130 | |
| 131 | |
| 132 typedef struct { | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
133 ngx_uint_t events; |
| 719 | 134 } ngx_eventport_conf_t; |
| 135 | |
| 136 | |
| 137 static ngx_int_t ngx_eventport_init(ngx_cycle_t *cycle, ngx_msec_t timer); | |
| 138 static void ngx_eventport_done(ngx_cycle_t *cycle); | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
139 static ngx_int_t ngx_eventport_add_event(ngx_event_t *ev, ngx_int_t event, |
|
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
140 ngx_uint_t flags); |
|
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
141 static ngx_int_t ngx_eventport_del_event(ngx_event_t *ev, ngx_int_t event, |
|
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
142 ngx_uint_t flags); |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
143 static ngx_int_t ngx_eventport_notify(ngx_event_handler_pt handler); |
| 719 | 144 static ngx_int_t ngx_eventport_process_events(ngx_cycle_t *cycle, |
| 145 ngx_msec_t timer, ngx_uint_t flags); | |
| 146 | |
| 147 static void *ngx_eventport_create_conf(ngx_cycle_t *cycle); | |
| 148 static char *ngx_eventport_init_conf(ngx_cycle_t *cycle, void *conf); | |
| 149 | |
| 150 static int ep = -1; | |
| 151 static port_event_t *event_list; | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
152 static ngx_uint_t nevents; |
|
1870
a62fb6c156c5
fix building --test-build-rtsig and --test-build-eventport on FreeBSD 7
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
153 static timer_t event_timer = (timer_t) -1; |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
154 static ngx_event_t notify_event; |
| 719 | 155 |
| 156 static ngx_str_t eventport_name = ngx_string("eventport"); | |
| 157 | |
| 158 | |
| 159 static ngx_command_t ngx_eventport_commands[] = { | |
| 160 | |
| 161 { ngx_string("eventport_events"), | |
| 162 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 163 ngx_conf_set_num_slot, | |
| 164 0, | |
| 165 offsetof(ngx_eventport_conf_t, events), | |
| 166 NULL }, | |
| 167 | |
| 168 ngx_null_command | |
| 169 }; | |
| 170 | |
| 171 | |
| 172 ngx_event_module_t ngx_eventport_module_ctx = { | |
| 173 &eventport_name, | |
| 174 ngx_eventport_create_conf, /* create configuration */ | |
| 175 ngx_eventport_init_conf, /* init configuration */ | |
| 176 | |
| 177 { | |
| 178 ngx_eventport_add_event, /* add an event */ | |
| 179 ngx_eventport_del_event, /* delete an event */ | |
| 180 ngx_eventport_add_event, /* enable an event */ | |
| 181 ngx_eventport_del_event, /* disable an event */ | |
| 182 NULL, /* add an connection */ | |
| 183 NULL, /* delete an connection */ | |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
184 ngx_eventport_notify, /* trigger a notify */ |
| 719 | 185 ngx_eventport_process_events, /* process the events */ |
| 186 ngx_eventport_init, /* init the events */ | |
| 187 ngx_eventport_done, /* done the events */ | |
| 188 } | |
| 189 | |
| 190 }; | |
| 191 | |
| 192 ngx_module_t ngx_eventport_module = { | |
| 193 NGX_MODULE_V1, | |
| 194 &ngx_eventport_module_ctx, /* module context */ | |
| 195 ngx_eventport_commands, /* module directives */ | |
| 196 NGX_EVENT_MODULE, /* module type */ | |
| 197 NULL, /* init master */ | |
| 198 NULL, /* init module */ | |
| 199 NULL, /* init process */ | |
| 200 NULL, /* init thread */ | |
| 201 NULL, /* exit thread */ | |
| 202 NULL, /* exit process */ | |
| 203 NULL, /* exit master */ | |
| 204 NGX_MODULE_V1_PADDING | |
| 205 }; | |
| 206 | |
| 207 | |
| 208 static ngx_int_t | |
| 209 ngx_eventport_init(ngx_cycle_t *cycle, ngx_msec_t timer) | |
| 210 { | |
| 211 port_notify_t pn; | |
| 212 struct itimerspec its; | |
| 213 struct sigevent sev; | |
| 214 ngx_eventport_conf_t *epcf; | |
| 215 | |
| 216 epcf = ngx_event_get_conf(cycle->conf_ctx, ngx_eventport_module); | |
| 217 | |
| 218 if (ep == -1) { | |
| 219 ep = port_create(); | |
| 220 | |
| 221 if (ep == -1) { | |
| 222 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 223 "port_create() failed"); | |
| 224 return NGX_ERROR; | |
| 225 } | |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
226 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
227 notify_event.active = 1; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
228 notify_event.log = cycle->log; |
| 719 | 229 } |
| 230 | |
| 231 if (nevents < epcf->events) { | |
| 232 if (event_list) { | |
| 233 ngx_free(event_list); | |
| 234 } | |
| 235 | |
| 236 event_list = ngx_alloc(sizeof(port_event_t) * epcf->events, | |
| 237 cycle->log); | |
| 238 if (event_list == NULL) { | |
| 239 return NGX_ERROR; | |
| 240 } | |
| 241 } | |
| 242 | |
| 243 ngx_event_flags = NGX_USE_EVENTPORT_EVENT; | |
| 244 | |
| 245 if (timer) { | |
| 246 ngx_memzero(&pn, sizeof(port_notify_t)); | |
| 247 pn.portnfy_port = ep; | |
| 248 | |
| 249 ngx_memzero(&sev, sizeof(struct sigevent)); | |
| 250 sev.sigev_notify = SIGEV_PORT; | |
| 251 #if !(NGX_TEST_BUILD_EVENTPORT) | |
| 252 sev.sigev_value.sival_ptr = &pn; | |
| 253 #endif | |
| 254 | |
| 255 if (timer_create(CLOCK_REALTIME, &sev, &event_timer) == -1) { | |
| 256 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 257 "timer_create() failed"); | |
| 258 return NGX_ERROR; | |
| 259 } | |
| 260 | |
| 261 its.it_interval.tv_sec = timer / 1000; | |
| 262 its.it_interval.tv_nsec = (timer % 1000) * 1000000; | |
| 263 its.it_value.tv_sec = timer / 1000; | |
| 264 its.it_value.tv_nsec = (timer % 1000) * 1000000; | |
| 265 | |
| 266 if (timer_settime(event_timer, 0, &its, NULL) == -1) { | |
| 267 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
| 268 "timer_settime() failed"); | |
| 269 return NGX_ERROR; | |
| 270 } | |
| 271 | |
| 272 ngx_event_flags |= NGX_USE_TIMER_EVENT; | |
| 273 } | |
| 274 | |
| 275 nevents = epcf->events; | |
| 276 | |
| 277 ngx_io = ngx_os_io; | |
| 278 | |
| 279 ngx_event_actions = ngx_eventport_module_ctx.actions; | |
| 280 | |
| 281 return NGX_OK; | |
| 282 } | |
| 283 | |
| 284 | |
| 285 static void | |
| 286 ngx_eventport_done(ngx_cycle_t *cycle) | |
| 287 { | |
|
1870
a62fb6c156c5
fix building --test-build-rtsig and --test-build-eventport on FreeBSD 7
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
288 if (event_timer != (timer_t) -1) { |
| 719 | 289 if (timer_delete(event_timer) == -1) { |
| 290 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 291 "timer_delete() failed"); | |
| 292 } | |
| 293 | |
|
1870
a62fb6c156c5
fix building --test-build-rtsig and --test-build-eventport on FreeBSD 7
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
294 event_timer = (timer_t) -1; |
| 719 | 295 } |
| 296 | |
| 297 if (close(ep) == -1) { | |
| 298 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 299 "close() event port failed"); | |
| 300 } | |
| 301 | |
| 302 ep = -1; | |
| 303 | |
| 304 ngx_free(event_list); | |
| 305 | |
| 306 event_list = NULL; | |
| 307 nevents = 0; | |
| 308 } | |
| 309 | |
| 310 | |
| 311 static ngx_int_t | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
312 ngx_eventport_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
| 719 | 313 { |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
314 ngx_int_t events, prev; |
| 719 | 315 ngx_event_t *e; |
| 316 ngx_connection_t *c; | |
| 317 | |
| 318 c = ev->data; | |
| 319 | |
| 320 events = event; | |
| 321 | |
| 322 if (event == NGX_READ_EVENT) { | |
| 323 e = c->write; | |
| 324 prev = POLLOUT; | |
| 325 #if (NGX_READ_EVENT != POLLIN) | |
| 326 events = POLLIN; | |
| 327 #endif | |
| 328 | |
| 329 } else { | |
| 330 e = c->read; | |
| 331 prev = POLLIN; | |
| 332 #if (NGX_WRITE_EVENT != POLLOUT) | |
| 333 events = POLLOUT; | |
| 334 #endif | |
| 335 } | |
| 336 | |
| 337 if (e->oneshot) { | |
| 338 events |= prev; | |
| 339 } | |
| 340 | |
| 341 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
342 "eventport add event: fd:%d ev:%04Xi", c->fd, events); |
| 719 | 343 |
| 344 if (port_associate(ep, PORT_SOURCE_FD, c->fd, events, | |
| 345 (void *) ((uintptr_t) ev | ev->instance)) | |
| 346 == -1) | |
| 347 { | |
| 348 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 349 "port_associate() failed"); | |
| 350 return NGX_ERROR; | |
| 351 } | |
| 352 | |
| 353 ev->active = 1; | |
| 354 ev->oneshot = 1; | |
| 355 | |
| 356 return NGX_OK; | |
| 357 } | |
| 358 | |
| 359 | |
| 360 static ngx_int_t | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
361 ngx_eventport_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
| 719 | 362 { |
| 363 ngx_event_t *e; | |
| 364 ngx_connection_t *c; | |
| 365 | |
| 366 /* | |
| 367 * when the file descriptor is closed, the event port automatically | |
|
4572
67653855682e
Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
368 * dissociates it from the port, so we do not need to dissociate explicitly |
| 719 | 369 * the event before the closing the file descriptor |
| 370 */ | |
| 371 | |
| 372 if (flags & NGX_CLOSE_EVENT) { | |
| 373 ev->active = 0; | |
| 374 ev->oneshot = 0; | |
| 375 return NGX_OK; | |
| 376 } | |
| 377 | |
| 378 c = ev->data; | |
| 379 | |
| 380 if (event == NGX_READ_EVENT) { | |
| 381 e = c->write; | |
| 382 event = POLLOUT; | |
| 383 | |
| 384 } else { | |
| 385 e = c->read; | |
| 386 event = POLLIN; | |
| 387 } | |
| 388 | |
| 389 if (e->oneshot) { | |
| 390 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
391 "eventport change event: fd:%d ev:%04Xi", c->fd, event); |
| 719 | 392 |
| 393 if (port_associate(ep, PORT_SOURCE_FD, c->fd, event, | |
| 394 (void *) ((uintptr_t) ev | ev->instance)) | |
| 395 == -1) | |
| 396 { | |
| 397 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 398 "port_associate() failed"); | |
| 399 return NGX_ERROR; | |
| 400 } | |
| 401 | |
| 402 } else { | |
| 403 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, | |
| 404 "eventport del event: fd:%d", c->fd); | |
| 405 | |
| 406 if (port_dissociate(ep, PORT_SOURCE_FD, c->fd) == -1) { | |
| 407 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 408 "port_dissociate() failed"); | |
| 409 return NGX_ERROR; | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 ev->active = 0; | |
| 414 ev->oneshot = 0; | |
| 415 | |
| 416 return NGX_OK; | |
| 417 } | |
| 418 | |
| 419 | |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
420 static ngx_int_t |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
421 ngx_eventport_notify(ngx_event_handler_pt handler) |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
422 { |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
423 notify_event.handler = handler; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
424 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
425 if (port_send(ep, 0, ¬ify_event) != 0) { |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
426 ngx_log_error(NGX_LOG_ALERT, notify_event.log, ngx_errno, |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
427 "port_send() failed"); |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
428 return NGX_ERROR; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
429 } |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
430 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
431 return NGX_OK; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
432 } |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
433 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
434 |
| 719 | 435 ngx_int_t |
| 436 ngx_eventport_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, | |
| 437 ngx_uint_t flags) | |
| 438 { | |
| 439 int n, revents; | |
| 440 u_int events; | |
| 441 ngx_err_t err; | |
| 442 ngx_int_t instance; | |
| 443 ngx_uint_t i, level; | |
|
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
444 ngx_event_t *ev, *rev, *wev; |
|
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
445 ngx_queue_t *queue; |
| 719 | 446 ngx_connection_t *c; |
| 447 struct timespec ts, *tp; | |
| 448 | |
| 449 if (timer == NGX_TIMER_INFINITE) { | |
| 450 tp = NULL; | |
| 451 | |
| 452 } else { | |
| 453 ts.tv_sec = timer / 1000; | |
| 454 ts.tv_nsec = (timer % 1000) * 1000000; | |
| 455 tp = &ts; | |
| 456 } | |
| 457 | |
| 458 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 459 "eventport timer: %M", timer); | |
| 460 | |
| 461 events = 1; | |
| 462 | |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1287
diff
changeset
|
463 n = port_getn(ep, event_list, (u_int) nevents, &events, tp); |
| 719 | 464 |
| 465 err = ngx_errno; | |
| 466 | |
| 467 if (flags & NGX_UPDATE_TIME) { | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
468 ngx_time_update(); |
| 719 | 469 } |
| 470 | |
| 471 if (n == -1) { | |
| 472 if (err == ETIME) { | |
| 473 if (timer != NGX_TIMER_INFINITE) { | |
| 474 return NGX_OK; | |
| 475 } | |
| 476 | |
| 477 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 478 "port_getn() returned no events without timeout"); | |
| 479 return NGX_ERROR; | |
| 480 } | |
| 481 | |
| 482 level = (err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT; | |
| 483 ngx_log_error(level, cycle->log, err, "port_getn() failed"); | |
| 484 return NGX_ERROR; | |
| 485 } | |
| 486 | |
| 487 if (events == 0) { | |
| 488 if (timer != NGX_TIMER_INFINITE) { | |
| 489 return NGX_OK; | |
| 490 } | |
| 491 | |
| 492 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 493 "port_getn() returned no events without timeout"); | |
| 494 return NGX_ERROR; | |
| 495 } | |
| 496 | |
| 497 for (i = 0; i < events; i++) { | |
| 498 | |
| 499 if (event_list[i].portev_source == PORT_SOURCE_TIMER) { | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
500 ngx_time_update(); |
| 719 | 501 continue; |
| 502 } | |
| 503 | |
| 504 ev = event_list[i].portev_user; | |
| 505 | |
| 506 switch (event_list[i].portev_source) { | |
| 507 | |
| 508 case PORT_SOURCE_FD: | |
| 509 | |
| 510 instance = (uintptr_t) ev & 1; | |
| 511 ev = (ngx_event_t *) ((uintptr_t) ev & (uintptr_t) ~1); | |
| 512 | |
| 513 if (ev->closed || ev->instance != instance) { | |
| 514 | |
| 515 /* | |
| 516 * the stale event from a file descriptor | |
| 517 * that was just closed in this iteration | |
| 518 */ | |
| 519 | |
| 520 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 521 "eventport: stale event %p", ev); | |
| 522 continue; | |
| 523 } | |
| 524 | |
| 525 revents = event_list[i].portev_events; | |
| 526 | |
| 527 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, | |
| 528 "eventport: fd:%d, ev:%04Xd", | |
|
6479
dc92298b1852
Events: fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6475
diff
changeset
|
529 (int) event_list[i].portev_object, revents); |
| 719 | 530 |
| 531 if (revents & (POLLERR|POLLHUP|POLLNVAL)) { | |
|
1128
06479b01caff
decrease log level from alert to debug for POLLERR|POLLHUP|POLLNVAL
Igor Sysoev <igor@sysoev.ru>
parents:
929
diff
changeset
|
532 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
|
06479b01caff
decrease log level from alert to debug for POLLERR|POLLHUP|POLLNVAL
Igor Sysoev <igor@sysoev.ru>
parents:
929
diff
changeset
|
533 "port_getn() error fd:%d ev:%04Xd", |
|
6479
dc92298b1852
Events: fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6475
diff
changeset
|
534 (int) event_list[i].portev_object, revents); |
| 719 | 535 } |
| 536 | |
| 537 if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) { | |
| 538 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 539 "strange port_getn() events fd:%d ev:%04Xd", | |
|
6479
dc92298b1852
Events: fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6475
diff
changeset
|
540 (int) event_list[i].portev_object, revents); |
| 719 | 541 } |
| 542 | |
| 543 if ((revents & (POLLERR|POLLHUP|POLLNVAL)) | |
| 544 && (revents & (POLLIN|POLLOUT)) == 0) | |
| 545 { | |
| 546 /* | |
| 547 * if the error events were returned without POLLIN or POLLOUT, | |
| 548 * then add these flags to handle the events at least in one | |
| 549 * active handler | |
| 550 */ | |
| 551 | |
| 552 revents |= POLLIN|POLLOUT; | |
| 553 } | |
| 554 | |
| 555 c = ev->data; | |
| 556 rev = c->read; | |
| 557 wev = c->write; | |
| 558 | |
| 559 rev->active = 0; | |
| 560 wev->active = 0; | |
| 561 | |
| 562 if (revents & POLLIN) { | |
|
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
563 rev->ready = 1; |
| 719 | 564 |
| 565 if (flags & NGX_POST_EVENTS) { | |
|
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
566 queue = rev->accept ? &ngx_posted_accept_events |
|
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
567 : &ngx_posted_events; |
| 719 | 568 |
|
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
569 ngx_post_event(rev, queue); |
| 719 | 570 |
| 571 } else { | |
| 572 rev->handler(rev); | |
|
1287
3dd9883fa121
fix segfault when event port returns POLLERR without POLLIN or POLLOUT
Igor Sysoev <igor@sysoev.ru>
parents:
1128
diff
changeset
|
573 |
|
5170
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4759
diff
changeset
|
574 if (ev->closed || ev->instance != instance) { |
|
1287
3dd9883fa121
fix segfault when event port returns POLLERR without POLLIN or POLLOUT
Igor Sysoev <igor@sysoev.ru>
parents:
1128
diff
changeset
|
575 continue; |
|
3dd9883fa121
fix segfault when event port returns POLLERR without POLLIN or POLLOUT
Igor Sysoev <igor@sysoev.ru>
parents:
1128
diff
changeset
|
576 } |
| 719 | 577 } |
| 578 | |
| 579 if (rev->accept) { | |
| 580 if (ngx_use_accept_mutex) { | |
| 581 ngx_accept_events = 1; | |
| 582 continue; | |
| 583 } | |
| 584 | |
| 585 if (port_associate(ep, PORT_SOURCE_FD, c->fd, POLLIN, | |
| 586 (void *) ((uintptr_t) ev | ev->instance)) | |
| 587 == -1) | |
| 588 { | |
| 589 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
| 590 "port_associate() failed"); | |
| 591 return NGX_ERROR; | |
| 592 } | |
| 593 } | |
| 594 } | |
| 595 | |
| 596 if (revents & POLLOUT) { | |
|
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
597 wev->ready = 1; |
| 719 | 598 |
| 599 if (flags & NGX_POST_EVENTS) { | |
|
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5175
diff
changeset
|
600 ngx_post_event(wev, &ngx_posted_events); |
| 719 | 601 |
| 602 } else { | |
| 603 wev->handler(wev); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 continue; | |
| 608 | |
|
6021
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
609 case PORT_SOURCE_USER: |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
610 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
611 ev->handler(ev); |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
612 |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
613 continue; |
|
117c77b22db1
Events: implemented eventport notification mechanism.
Ruslan Ermilov <ru@nginx.com>
parents:
6018
diff
changeset
|
614 |
| 719 | 615 default: |
| 616 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
|
6005
d84f0abd4a53
Events: fixed typo in the error message.
Ruslan Ermilov <ru@nginx.com>
parents:
5821
diff
changeset
|
617 "unexpected eventport object %d", |
|
6479
dc92298b1852
Events: fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6475
diff
changeset
|
618 (int) event_list[i].portev_object); |
| 719 | 619 continue; |
| 620 } | |
| 621 } | |
| 622 | |
| 623 return NGX_OK; | |
| 624 } | |
| 625 | |
| 626 | |
| 627 static void * | |
| 628 ngx_eventport_create_conf(ngx_cycle_t *cycle) | |
| 629 { | |
| 630 ngx_eventport_conf_t *epcf; | |
| 631 | |
| 632 epcf = ngx_palloc(cycle->pool, sizeof(ngx_eventport_conf_t)); | |
| 633 if (epcf == NULL) { | |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
1939
diff
changeset
|
634 return NULL; |
| 719 | 635 } |
| 636 | |
| 637 epcf->events = NGX_CONF_UNSET; | |
| 638 | |
| 639 return epcf; | |
| 640 } | |
| 641 | |
| 642 | |
| 643 static char * | |
| 644 ngx_eventport_init_conf(ngx_cycle_t *cycle, void *conf) | |
| 645 { | |
| 646 ngx_eventport_conf_t *epcf = conf; | |
| 647 | |
| 648 ngx_conf_init_uint_value(epcf->events, 32); | |
| 649 | |
| 650 return NGX_CONF_OK; | |
| 651 } |