2003-01-22 01:36:01 +08:00
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2003-01-24 02:47:54 +08:00
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#include <ngx_config.h>
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2003-01-22 01:36:01 +08:00
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2003-01-24 02:47:54 +08:00
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#include <ngx_core.h>
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#include <ngx_log.h>
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#include <ngx_alloc.h>
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#include <ngx_connection.h>
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#include <ngx_event.h>
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#include <ngx_event_timer.h>
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/* STUB */
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#define NGX_TIMER_HASH_SIZE 5
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ngx_event_t *ngx_timer_queue;
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int ngx_timer_hash_size;
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int ngx_event_init_timer(ngx_log_t *log)
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{
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int i;
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ngx_timer_hash_size = NGX_TIMER_HASH_SIZE;
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ngx_test_null(ngx_timer_queue,
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ngx_alloc(ngx_timer_hash_size * sizeof(ngx_event_t), log),
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NGX_ERROR);
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for (i = 0; i < ngx_timer_hash_size; i++) {
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ngx_timer_queue[i].timer_prev = &ngx_timer_queue[i];
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ngx_timer_queue[i].timer_next = &ngx_timer_queue[i];
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}
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return NGX_OK;
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}
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void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
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2003-01-22 01:36:01 +08:00
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{
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2003-01-24 02:47:54 +08:00
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int n;
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2003-01-22 01:36:01 +08:00
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ngx_event_t *e;
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#if (NGX_DEBUG_EVENT)
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ngx_connection_t *c = (ngx_connection_t *) ev->data;
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ngx_log_debug(ev->log, "set timer: %d:%d" _ c->fd _ timer);
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#endif
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if (ev->timer_next || ev->timer_prev) {
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ngx_log_error(NGX_LOG_ALERT, ev->log, 0, "timer already set");
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return;
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}
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n = timer % ngx_timer_hash_size;
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2003-01-24 14:20:47 +08:00
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#if (NGX_DEBUG_EVENT)
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ngx_log_debug(ev->log, "timer slot: %d" _ n);
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#endif
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2003-01-22 01:36:01 +08:00
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2003-01-24 02:47:54 +08:00
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for (e = ngx_timer_queue[n].timer_next;
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e != &ngx_timer_queue[n] && timer > e->timer_delta;
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2003-01-22 01:36:01 +08:00
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e = e->timer_next)
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{
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timer -= e->timer_delta;
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}
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ev->timer_delta = timer;
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ev->timer_next = e;
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ev->timer_prev = e->timer_prev;
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e->timer_prev->timer_next = ev;
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e->timer_prev = ev;
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}
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2003-01-24 14:20:47 +08:00
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void ngx_event_expire_timers(ngx_msec_t timer)
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{
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int i;
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ngx_msec_t delta;
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ngx_event_t *ev;
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for (i = 0; i < ngx_timer_hash_size; i++) {
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delta = timer;
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for ( ;; ) {
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ev = ngx_timer_queue[i].timer_next;
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if (ev == &ngx_timer_queue[i]) {
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break;
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}
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if (ev->timer_delta > delta) {
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ev->timer_delta -= delta;
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break;
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}
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delta -= ev->timer_delta;
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ngx_del_timer(ev);
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ev->timedout = 1;
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if (ev->event_handler(ev) == NGX_ERROR) {
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ev->close_handler(ev);
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}
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}
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}
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}
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