Created
November 17, 2011 21:07
-
-
Save samizdatco/1374529 to your computer and use it in GitHub Desktop.
An attempt at a periodic callback in nginx
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#define NGX_HTTP_AUTH_DIGEST_CLEANUP_INTERVAL 3000 | |
ngx_event_t *ngx_http_auth_digest_cleanup_timer; | |
static ngx_atomic_t *ngx_http_auth_digest_cleanup_lock; | |
// set as the "init process" callback in the ngx_module_t struct | |
static ngx_int_t ngx_http_auth_digest_worker_init(ngx_cycle_t *cycle){ | |
if (ngx_process != NGX_PROCESS_WORKER){ | |
return NGX_OK; | |
} | |
ngx_connection_t *dummy; | |
dummy = ngx_pcalloc(cycle->pool, sizeof(ngx_connection_t)); | |
if (dummy == NULL) return NGX_ERROR; | |
dummy->fd = (ngx_socket_t) -1; | |
dummy->data = cycle; | |
ngx_http_auth_digest_cleanup_timer->log = ngx_cycle->log; | |
ngx_http_auth_digest_cleanup_timer->data = dummy; | |
ngx_http_auth_digest_cleanup_timer->handler = ngx_http_auth_digest_cleanup; | |
ngx_add_timer(ngx_http_auth_digest_cleanup_timer, NGX_HTTP_AUTH_DIGEST_CLEANUP_INTERVAL); | |
return NGX_OK; | |
} | |
void ngx_http_auth_digest_cleanup(ngx_event_t *ev){ | |
// set up the next tick in n seconds | |
ngx_add_timer(ev, NGX_HTTP_AUTH_DIGEST_CLEANUP_INTERVAL); | |
// expire stale items from the rbtree | |
if (ngx_trylock(ngx_http_auth_digest_cleanup_lock)){ | |
ngx_log_error(NGX_LOG_ERR, ev->log, 0, "cleanup"); | |
ngx_http_auth_digest_rbtree_prune(ev->log); | |
ngx_unlock(ngx_http_auth_digest_cleanup_lock); | |
}else{ | |
ngx_log_error(NGX_LOG_ERR, ev->log, 0, "locked"); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment