Mercurial > hg > nginx-quic
annotate src/event/ngx_event_timer.c @ 79:eacfdd1c31b9
nginx-0.0.1-2003-04-22-19:02:58 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 22 Apr 2003 15:02:58 +0000 |
parents | 57c2e18d3572 |
children | 3973260705cc |
rev | line source |
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1 |
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2 #include <ngx_config.h> |
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4 #include <ngx_core.h> |
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5 #include <ngx_log.h> |
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6 #include <ngx_alloc.h> |
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7 #include <ngx_connection.h> |
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8 #include <ngx_event.h> |
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9 |
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10 #include <ngx_event_timer.h> |
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11 |
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12 /* STUB */ |
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13 #define NGX_TIMER_QUEUE_NUM 5 |
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14 |
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15 /* should be per-thread */ |
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16 static ngx_event_t *ngx_timer_queue; |
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17 static int ngx_timer_cur_queue; |
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18 /* */ |
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19 static int ngx_timer_queue_num; |
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22 ngx_event_t *ngx_event_init_timer(ngx_log_t *log) |
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23 { |
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24 int i; |
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26 ngx_timer_queue_num = NGX_TIMER_QUEUE_NUM; |
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27 ngx_timer_cur_queue = 0; |
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28 |
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29 ngx_test_null(ngx_timer_queue, |
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30 ngx_alloc(ngx_timer_queue_num * sizeof(ngx_event_t), log), |
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31 NULL); |
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32 |
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33 for (i = 0; i < ngx_timer_queue_num; i++) { |
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34 ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i]; |
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35 ngx_timer_queue[i].timer_next = &ngx_timer_queue[i]; |
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36 } |
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37 |
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38 return ngx_timer_queue; |
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39 } |
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40 |
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41 |
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42 void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) |
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43 { |
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44 ngx_event_t *e; |
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45 |
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46 #if (NGX_DEBUG_EVENT) |
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47 ngx_connection_t *c = (ngx_connection_t *) ev->data; |
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48 ngx_log_debug(ev->log, "set timer: %d:%d" _ c->fd _ timer); |
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49 #endif |
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50 |
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51 if (ev->timer_next || ev->timer_prev) { |
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52 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set"); |
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53 return; |
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54 } |
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55 |
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56 #if (NGX_DEBUG_EVENT) |
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57 ngx_log_debug(ev->log, "timer slot: %d" _ ngx_timer_cur_queue); |
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58 #endif |
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59 |
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60 for (e = ngx_timer_queue[ngx_timer_cur_queue].timer_next; |
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61 e != &ngx_timer_queue[ngx_timer_cur_queue] && timer > e->timer_delta; |
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62 e = e->timer_next) |
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63 { |
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64 timer -= e->timer_delta; |
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65 } |
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66 |
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67 ngx_timer_cur_queue++; |
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68 if (ngx_timer_cur_queue >= ngx_timer_queue_num) { |
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69 ngx_timer_cur_queue = 0; |
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70 } |
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71 |
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72 ev->timer_delta = timer; |
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73 |
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74 ev->timer_next = e; |
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75 ev->timer_prev = e->timer_prev; |
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76 |
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77 e->timer_prev->timer_next = ev; |
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78 e->timer_prev = ev; |
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79 } |
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80 |
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81 |
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82 int ngx_event_find_timer(void) |
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83 { |
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84 int i; |
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85 ngx_msec_t timer; |
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86 |
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87 timer = NGX_MAX_MSEC; |
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88 |
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89 for (i = 0; i < ngx_timer_queue_num; i++) { |
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90 if (ngx_timer_queue[i].timer_next == &ngx_timer_queue[i]) { |
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91 continue; |
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92 } |
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93 |
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94 if (timer > ngx_timer_queue[i].timer_next->timer_delta) { |
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95 timer = ngx_timer_queue[i].timer_next->timer_delta; |
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96 } |
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97 } |
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98 |
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99 if (timer == NGX_MAX_MSEC) { |
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100 return 0; |
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101 } else { |
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nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
102 return timer; |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
103 } |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
104 } |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
105 |
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
106 |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
107 void ngx_event_expire_timers(ngx_msec_t timer) |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
108 { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
109 int i; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
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110 ngx_msec_t delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
111 ngx_event_t *ev; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
112 |
53
d1e42f1b8fd4
nginx-0.0.1-2003-01-27-00:08:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
52
diff
changeset
|
113 for (i = 0; i < ngx_timer_queue_num; i++) { |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
114 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
115 delta = timer; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
116 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
117 for ( ;; ) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
118 ev = ngx_timer_queue[i].timer_next; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
119 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
120 if (ev == &ngx_timer_queue[i]) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
121 break; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
122 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
123 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
124 if (ev->timer_delta > delta) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
125 ev->timer_delta -= delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
126 break; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
127 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
128 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
129 delta -= ev->timer_delta; |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
130 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
131 ngx_del_timer(ev); |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
132 if (ev->delayed) { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
133 ev->delayed = 0; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
134 if (ev->ready == 0) { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
135 continue; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
136 } |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
137 |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
138 } else { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
139 ev->timedout = 1; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
53
diff
changeset
|
140 } |
51
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
141 |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
142 if (ev->event_handler(ev) == NGX_ERROR) { |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
143 ev->close_handler(ev); |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
144 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
145 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
146 } |
a6afbb8a2ada
nginx-0.0.1-2003-01-24-09:20:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
50
diff
changeset
|
147 } |