nginx: src/http/ngx_http_file

annotate src/http/ngx_http_file_cache.c @ 5737:44b9ab7752e3

Cache: ETag now saved into cache header.

author	Maxim Dounin <mdounin@mdounin.ru>
date	Thu, 26 Jun 2014 02:28:23 +0400
parents	2fe1967f8854
children	063f7e75f9ef

rev	line source
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	2 /*
444 42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright Igor Sysoev <igor@sysoev.ru> parents: 441 diff changeset	3 * Copyright (C) Igor Sysoev
4412 d620f497c50f Copyright updated. Maxim Konovalov <maxim@nginx.com> parents: 4387 diff changeset	4 * Copyright (C) Nginx, Inc.
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	6
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_config.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_core.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10 #include <ngx_http.h>
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	11 #include <ngx_md5.h>
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	14 static ngx_int_t ngx_http_file_cache_lock(ngx_http_request_t *r,
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	15 ngx_http_cache_t *c);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	16 static void ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	17 static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r,
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	18 ngx_http_cache_t *c);
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	19 static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r,
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	20 ngx_http_cache_t *c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	21 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	22 static void ngx_http_cache_aio_event_handler(ngx_event_t *ev);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	23 #endif
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	24 static ngx_int_t ngx_http_file_cache_exists(ngx_http_file_cache_t *cache,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	25 ngx_http_cache_t *c);
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	26 static ngx_int_t ngx_http_file_cache_name(ngx_http_request_t *r,
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	27 ngx_path_t *path);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	28 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	29 ngx_http_file_cache_lookup(ngx_http_file_cache_t cache, u_char key);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	30 static void ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	31 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	32 static void ngx_http_file_cache_cleanup(void *data);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	33 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	34 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	35 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	36 ngx_queue_t q, u_char name);
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	37 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	38 static ngx_int_t ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	39 ngx_str_t *path);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	40 static ngx_int_t ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	41 ngx_str_t *path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	42 static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	43 ngx_str_t *path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	44 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	45 ngx_http_cache_t *c);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	46 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	47 ngx_str_t *path);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	48
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	49
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	50 ngx_str_t ngx_http_cache_status[] = {
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	51 ngx_string("MISS"),
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	52 ngx_string("BYPASS"),
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	53 ngx_string("EXPIRED"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	54 ngx_string("STALE"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	55 ngx_string("UPDATING"),
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	56 ngx_string("REVALIDATED"),
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	57 ngx_string("HIT")
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	58 };
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	59
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	60
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	61 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' };
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	62
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	63
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	64 static ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	65 ngx_http_file_cache_init(ngx_shm_zone_t shm_zone, void data)
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	66 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	67 ngx_http_file_cache_t *ocache = data;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	68
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	69 size_t len;
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	70 ngx_uint_t n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	71 ngx_http_file_cache_t *cache;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	72
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	73 cache = shm_zone->data;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	74
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	75 if (ocache) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	76 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	77 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	78 "cache \"%V\" uses the \"%V\" cache path "
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	79 "while previously it used the \"%V\" cache path",
2716 d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2694 diff changeset	80 &shm_zone->shm.name, &cache->path->name,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	81 &ocache->path->name);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	82
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	83 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	84 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	85
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	86 for (n = 0; n < 3; n++) {
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	87 if (cache->path->level[n] != ocache->path->level[n]) {
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	88 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	89 "cache \"%V\" had previously different levels",
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	90 &shm_zone->shm.name);
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	91 return NGX_ERROR;
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	92 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	93 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	94
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	95 cache->sh = ocache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	96
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	97 cache->shpool = ocache->shpool;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	98 cache->bsize = ocache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	99
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	100 cache->max_size /= cache->bsize;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	101
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	102 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	103 cache->path->loader = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	104 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	105
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	106 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	107 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	108
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	109 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	110
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	111 if (shm_zone->shm.exists) {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	112 cache->sh = cache->shpool->data;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	113 cache->bsize = ngx_fs_bsize(cache->path->name.data);
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	114
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	115 return NGX_OK;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	116 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	117
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	118 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t));
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	119 if (cache->sh == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	120 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	121 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	122
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	123 cache->shpool->data = cache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	124
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	125 ngx_rbtree_init(&cache->sh->rbtree, &cache->sh->sentinel,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	126 ngx_http_file_cache_rbtree_insert_value);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	127
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	128 ngx_queue_init(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	129
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	130 cache->sh->cold = 1;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	131 cache->sh->loading = 0;
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	132 cache->sh->size = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	133
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	134 cache->bsize = ngx_fs_bsize(cache->path->name.data);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	135
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	136 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	137
2716 d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2694 diff changeset	138 len = sizeof(" in cache keys zone \"\"") + shm_zone->shm.name.len;
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	139
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	140 cache->shpool->log_ctx = ngx_slab_alloc(cache->shpool, len);
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	141 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	142 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	143 }
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	144
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	145 ngx_sprintf(cache->shpool->log_ctx, " in cache keys zone \"%V\"%Z",
2716 d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2694 diff changeset	146 &shm_zone->shm.name);
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	147
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	148 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	149 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	150
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	151
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	152 ngx_int_t
3698 d11227f0107f rename ngx_http_file_cache_create() to ngx_http_file_cache_new() Igor Sysoev <igor@sysoev.ru> parents: 3697 diff changeset	153 ngx_http_file_cache_new(ngx_http_request_t *r)
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	154 {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	155 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	156
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	157 c = ngx_pcalloc(r->pool, sizeof(ngx_http_cache_t));
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	158 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	159 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	160 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	161
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	162 if (ngx_array_init(&c->keys, r->pool, 4, sizeof(ngx_str_t)) != NGX_OK) {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	163 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	164 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	165
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	166 r->cache = c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	167 c->file.log = r->connection->log;
3704 f220e5a5fb5e initialize r->cache->file.fd with NGX_INVALID_FILE Igor Sysoev <igor@sysoev.ru> parents: 3699 diff changeset	168 c->file.fd = NGX_INVALID_FILE;
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	169
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	170 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	171 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	172
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	173
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	174 ngx_int_t
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	175 ngx_http_file_cache_create(ngx_http_request_t *r)
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	176 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	177 ngx_http_cache_t *c;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	178 ngx_pool_cleanup_t *cln;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	179 ngx_http_file_cache_t *cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	180
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	181 c = r->cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	182 cache = c->file_cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	183
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	184 cln = ngx_pool_cleanup_add(r->pool, 0);
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	185 if (cln == NULL) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	186 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	187 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	188
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	189 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	190 cln->data = c;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	191
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	192 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	193 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	194 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	195
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	196 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	197 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	198 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	199
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	200 return NGX_OK;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	201 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	202
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	203
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	204 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	205 ngx_http_file_cache_create_key(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	206 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	207 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	208 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	209 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	210 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	211 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	212
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	213 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	214
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	215 len = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	216
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	217 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	218 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	219
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	220 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	221 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	222 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	223 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	224
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	225 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	226
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	227 ngx_crc32_update(&c->crc32, key[i].data, key[i].len);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	228 ngx_md5_update(&md5, key[i].data, key[i].len);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	229 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	230
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	231 c->header_start = sizeof(ngx_http_file_cache_header_t)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	232 + sizeof(ngx_http_file_cache_key) + len + 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	233
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	234 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	235 ngx_md5_final(c->key, &md5);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	236 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	237
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	238
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	239 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	240 ngx_http_file_cache_open(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	241 {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	242 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	243 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	244 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	245 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	246 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	247 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	248 ngx_http_core_loc_conf_t *clcf;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	249
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	250 c = r->cache;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	251
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	252 if (c->waiting) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	253 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	254 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	255
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	256 if (c->buf) {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	257 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	258 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	259
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	260 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	261
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	262 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	263 cln = ngx_pool_cleanup_add(r->pool, 0);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	264 if (cln == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	265 return NGX_ERROR;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	266 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	267
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	268 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	269 cln->data = c;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	270 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	271
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	272 rc = ngx_http_file_cache_exists(cache, c);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	273
2926 80a314b63c56 delete useless r->cache->uses Igor Sysoev <igor@sysoev.ru> parents: 2925 diff changeset	274 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
80a314b63c56 delete useless r->cache->uses Igor Sysoev <igor@sysoev.ru> parents: 2925 diff changeset	275 "http file cache exists: %i e:%d", rc, c->exists);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	276
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	277 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	278 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	279 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	280
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	281 if (rc == NGX_AGAIN) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	282 return NGX_HTTP_CACHE_SCARCE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	283 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	284
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	285 cold = cache->sh->cold;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	286
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	287 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	288
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	289 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	290 return c->error;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	291 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	292
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	293 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	294 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	295 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	296
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	297 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	298
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	299 if (c->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	300
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	301 if (!cold) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	302 return NGX_HTTP_CACHE_SCARCE;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	303 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	304
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	305 test = 1;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	306 rv = NGX_HTTP_CACHE_SCARCE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	307
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	308 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	309 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	310 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	311 rv = NGX_DECLINED;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	312 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	313 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	314
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	315 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	316 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	317 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	318
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	319 if (!test) {
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	320 goto done;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	321 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	322
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	323 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	324
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	325 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	326
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	327 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	328 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	329 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	330 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	331 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178 975f0558aab3 read_ahead Igor Sysoev <igor@sysoev.ru> parents: 3136 diff changeset	332 of.read_ahead = clcf->read_ahead;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	333
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	334 if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	335 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	336 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	337 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	338
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	339 case 0:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	340 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	341
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	342 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	343 case NGX_ENOTDIR:
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	344 goto done;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	345
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	346 default:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	347 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	348 ngx_open_file_n " \"%s\" failed", c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	349 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	350 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	351 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	352
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	353 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	354 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	355
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	356 c->file.fd = of.fd;
2603 f9bd7999eb08 fix segfault if ngx_read_file() will fail Igor Sysoev <igor@sysoev.ru> parents: 2600 diff changeset	357 c->file.log = r->connection->log;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	358 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	359 c->length = of.size;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	360 c->fs_size = (of.fs_size + cache->bsize - 1) / cache->bsize;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	361
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	362 c->buf = ngx_create_temp_buf(r->pool, c->body_start);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	363 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	364 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	365 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	366
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	367 return ngx_http_file_cache_read(r, c);
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	368
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	369 done:
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	370
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	371 if (rv == NGX_DECLINED) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	372 return ngx_http_file_cache_lock(r, c);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	373 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	374
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	375 return rv;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	376 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	377
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	378
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	379 static ngx_int_t
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	380 ngx_http_file_cache_lock(ngx_http_request_t r, ngx_http_cache_t c)
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	381 {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	382 ngx_msec_t now, timer;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	383 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	384
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	385 if (!c->lock) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	386 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	387 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	388
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	389 cache = c->file_cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	390
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	391 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	392
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	393 if (!c->node->updating) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	394 c->node->updating = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	395 c->updating = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	396 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	397
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	398 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	399
4387 e8181eeddaf8 Fixed build without debug. Maxim Dounin <mdounin@mdounin.ru> parents: 4385 diff changeset	400 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	401 "http file cache lock u:%d wt:%M",
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	402 c->updating, c->wait_time);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	403
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	404 if (c->updating) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	405 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	406 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	407
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	408 c->waiting = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	409
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	410 now = ngx_current_msec;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	411
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	412 if (c->wait_time == 0) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	413 c->wait_time = now + c->lock_timeout;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	414
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	415 c->wait_event.handler = ngx_http_file_cache_lock_wait_handler;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	416 c->wait_event.data = r;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	417 c->wait_event.log = r->connection->log;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	418 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	419
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	420 timer = c->wait_time - now;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	421
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	422 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	423
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	424 r->main->blocked++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	425
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	426 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	427 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	428
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	429
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	430 static void
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	431 ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev)
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	432 {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	433 ngx_uint_t wait;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	434 ngx_msec_t timer;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	435 ngx_http_cache_t *c;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	436 ngx_http_request_t *r;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	437 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	438
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	439 r = ev->data;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	440 c = r->cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	441
4387 e8181eeddaf8 Fixed build without debug. Maxim Dounin <mdounin@mdounin.ru> parents: 4385 diff changeset	442 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0,
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	443 "http file cache wait handler wt:%M cur:%M",
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	444 c->wait_time, ngx_current_msec);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	445
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	446 timer = c->wait_time - ngx_current_msec;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	447
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	448 if ((ngx_msec_int_t) timer <= 0) {
5341 654c1631dc86 Cache: lock timeouts are now logged at info level. Maxim Dounin <mdounin@mdounin.ru> parents: 5330 diff changeset	449 ngx_log_error(NGX_LOG_INFO, ev->log, 0, "cache lock timeout");
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	450 c->lock = 0;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	451 goto wakeup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	452 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	453
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	454 cache = c->file_cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	455 wait = 0;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	456
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	457 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	458
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	459 if (c->node->updating) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	460 wait = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	461 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	462
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	463 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	464
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	465 if (wait) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	466 ngx_add_timer(ev, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	467 return;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	468 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	469
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	470 wakeup:
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	471
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	472 c->waiting = 0;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	473 r->main->blocked--;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	474 r->connection->write->handler(r->connection->write);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	475 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	476
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	477
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	478 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	479 ngx_http_file_cache_read(ngx_http_request_t r, ngx_http_cache_t c)
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	480 {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	481 time_t now;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	482 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	483 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	484 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	485 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	486
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	487 n = ngx_http_file_cache_aio_read(r, c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	488
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	489 if (n < 0) {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	490 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	491 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	492
3369 479468a7d982 fix handling cached HTTP/0.9 response Igor Sysoev <igor@sysoev.ru> parents: 3294 diff changeset	493 if ((size_t) n < c->header_start) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	494 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	495 "cache file \"%s\" is too small", c->file.name.data);
3971 44f4fc874b2f do not close connection if cache file is too small: replace it with valid one Igor Sysoev <igor@sysoev.ru> parents: 3970 diff changeset	496 return NGX_DECLINED;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	497 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	498
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	499 h = (ngx_http_file_cache_header_t *) c->buf->pos;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	500
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	501 if (h->version != NGX_HTTP_CACHE_VERSION) {
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	502 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	503 "cache file \"%s\" version mismatch", c->file.name.data);
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	504 return NGX_DECLINED;
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	505 }
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	506
3460 bbea0b19b608 fix cached FastCGI response with large stderr output before header Igor Sysoev <igor@sysoev.ru> parents: 3400 diff changeset	507 if (h->crc32 != c->crc32) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	508 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	509 "cache file \"%s\" has md5 collision", c->file.name.data);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	510 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	511 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	512
5359 2fda9065d0f4 Win32: Borland C compatibility fixes. Maxim Dounin <mdounin@mdounin.ru> parents: 5341 diff changeset	513 if ((size_t) h->body_start > c->body_start) {
4339 6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	514 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	515 "cache file \"%s\" has too long header",
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	516 c->file.name.data);
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	517 return NGX_DECLINED;
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	518 }
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	519
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	520 c->buf->last += n;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	521
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	522 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	523 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	524 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	525 c->valid_msec = h->valid_msec;
3460 bbea0b19b608 fix cached FastCGI response with large stderr output before header Igor Sysoev <igor@sysoev.ru> parents: 3400 diff changeset	526 c->header_start = h->header_start;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	527 c->body_start = h->body_start;
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	528 c->etag.len = h->etag_len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	529 c->etag.data = h->etag;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	530
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	531 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	532
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	533 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	534
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	535 if (cache->sh->cold) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	536
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	537 ngx_shmtx_lock(&cache->shpool->mutex);
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	538
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	539 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	540 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	541 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	542 c->node->exists = 1;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	543 c->node->uniq = c->uniq;
4034 e2c075e774b6 Cache size accounting fix: actual cache size on disk was less than Igor Sysoev <igor@sysoev.ru> parents: 4018 diff changeset	544 c->node->fs_size = c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	545
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	546 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	547 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	548
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	549 ngx_shmtx_unlock(&cache->shpool->mutex);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	550 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	551
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	552 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	553
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	554 if (c->valid_sec < now) {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	555
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	556 ngx_shmtx_lock(&cache->shpool->mutex);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	557
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	558 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	559 rc = NGX_HTTP_CACHE_UPDATING;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	560
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	561 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	562 c->node->updating = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	563 c->updating = 1;
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	564 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	565 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	566
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	567 ngx_shmtx_unlock(&cache->shpool->mutex);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	568
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	569 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	570 "http file cache expired: %i %T %T",
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	571 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	572
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	573 return rc;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	574 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	575
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	576 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	577 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	578
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	579
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	580 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	581 ngx_http_file_cache_aio_read(ngx_http_request_t r, ngx_http_cache_t c)
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	582 {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	583 #if (NGX_HAVE_FILE_AIO)
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	584 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	585 ngx_http_core_loc_conf_t *clcf;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	586
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	587 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	588 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	589 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	590
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	591 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	592
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	593 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	594 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	595 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	596
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	597 n = ngx_file_aio_read(&c->file, c->buf->pos, c->body_start, 0, r->pool);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	598
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	599 if (n != NGX_AGAIN) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	600 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	601 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	602
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	603 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	604 c->file.aio->handler = ngx_http_cache_aio_event_handler;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	605
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	606 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	607 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	608
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	609 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	610
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	611 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	612
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	613 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	614
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	615 return ngx_read_file(&c->file, c->buf->pos, c->body_start, 0);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	616 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	617
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	618
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	619 #if (NGX_HAVE_FILE_AIO)
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	620
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	621 static void
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	622 ngx_http_cache_aio_event_handler(ngx_event_t *ev)
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	623 {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	624 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	625 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	626
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	627 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	628 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	629
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	630 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	631 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	632
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	633 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	634 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	635
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	636 #endif
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	637
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	638
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	639 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	640 ngx_http_file_cache_exists(ngx_http_file_cache_t cache, ngx_http_cache_t c)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	641 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	642 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	643 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	644
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	645 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	646
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	647 fcn = c->node;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	648
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	649 if (fcn == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	650 fcn = ngx_http_file_cache_lookup(cache, c->key);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	651 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	652
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	653 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	654 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	655
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	656 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	657 fcn->uses++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	658 fcn->count++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	659 }
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	660
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	661 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	662
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	663 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	664 goto renew;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	665 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	666
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	667 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	668
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	669 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	670 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	671
3966 9c425f22ea36 fuse two if's in one condition Igor Sysoev <igor@sysoev.ru> parents: 3965 diff changeset	672 if (fcn->exists \|\| fcn->uses >= c->min_uses) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	673
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	674 c->exists = fcn->exists;
3969 3ea15c6b16da fix r3968 Igor Sysoev <igor@sysoev.ru> parents: 3968 diff changeset	675 if (fcn->body_start) {
3967 83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity Igor Sysoev <igor@sysoev.ru> parents: 3966 diff changeset	676 c->body_start = fcn->body_start;
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity Igor Sysoev <igor@sysoev.ru> parents: 3966 diff changeset	677 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	678
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	679 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	680
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	681 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	682 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	683
3966 9c425f22ea36 fuse two if's in one condition Igor Sysoev <igor@sysoev.ru> parents: 3965 diff changeset	684 rc = NGX_AGAIN;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	685
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	686 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	687 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	688
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	689 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	690 sizeof(ngx_http_file_cache_node_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	691 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	692 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	693
2693 197cda0e767e style fix Igor Sysoev <igor@sysoev.ru> parents: 2671 diff changeset	694 (void) ngx_http_file_cache_forced_expire(cache);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	695
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	696 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	697
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	698 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	699 sizeof(ngx_http_file_cache_node_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	700 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	701 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	702 goto failed;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	703 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	704 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	705
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	706 ngx_memcpy((u_char *) &fcn->node.key, c->key, sizeof(ngx_rbtree_key_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	707
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	708 ngx_memcpy(fcn->key, &c->key[sizeof(ngx_rbtree_key_t)],
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	709 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	710
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	711 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	712
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	713 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	714 fcn->count = 1;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	715
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	716 renew:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	717
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	718 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	719
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	720 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	721 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	722 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	723 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	724 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	725 fcn->body_start = 0;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	726 fcn->fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	727
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	728 done:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	729
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	730 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	731
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	732 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	733
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	734 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	735 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	736 c->node = fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	737
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	738 failed:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	739
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	740 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	741
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	742 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	743 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	744
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	745
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	746 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	747 ngx_http_file_cache_name(ngx_http_request_t r, ngx_path_t path)
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	748 {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	749 u_char *p;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	750 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	751
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	752 c = r->cache;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	753
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	754 if (c->file.name.len) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	755 return NGX_OK;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	756 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	757
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	758 c->file.name.len = path->name.len + 1 + path->len
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	759 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	760
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	761 c->file.name.data = ngx_pnalloc(r->pool, c->file.name.len + 1);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	762 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	763 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	764 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	765
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	766 ngx_memcpy(c->file.name.data, path->name.data, path->name.len);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	767
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	768 p = c->file.name.data + path->name.len + 1 + path->len;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	769 p = ngx_hex_dump(p, c->key, NGX_HTTP_CACHE_KEY_LEN);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	770 *p = '\0';
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	771
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	772 ngx_create_hashed_filename(path, c->file.name.data, c->file.name.len);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	773
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	774 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	775 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	776
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	777 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	778 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	779
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	780
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	781 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	782 ngx_http_file_cache_lookup(ngx_http_file_cache_t cache, u_char key)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	783 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	784 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	785 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	786 ngx_rbtree_node_t node, sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	787 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	788
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	789 ngx_memcpy((u_char *) &node_key, key, sizeof(ngx_rbtree_key_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	790
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	791 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	792 sentinel = cache->sh->rbtree.sentinel;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	793
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	794 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	795
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	796 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	797 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	798 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	799 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	800
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	801 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	802 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	803 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	804 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	805
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	806 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	807
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	808 fcn = (ngx_http_file_cache_node_t *) node;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	809
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	810 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key,
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	811 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	812
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	813 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	814 return fcn;
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	815 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	816
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	817 node = (rc < 0) ? node->left : node->right;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	818 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	819
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	820 /* not found */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	821
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	822 return NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	823 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	824
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	825
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	826 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	827 ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	828 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	829 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	830 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	831 ngx_http_file_cache_node_t cn, cnt;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	832
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	833 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	834
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	835 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	836
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	837 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	838
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	839 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	840
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	841 p = &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	842
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	843 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	844
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	845 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	846 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	847
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	848 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	849 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t))
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	850 < 0)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	851 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	852 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	853
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	854 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	855 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	856 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	857
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	858 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	859 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	860
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	861 *p = node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	862 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	863 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	864 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	865 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	866 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	867
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	868
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	869 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	870 ngx_http_file_cache_set_header(ngx_http_request_t r, u_char buf)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	871 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	872 ngx_http_file_cache_header_t h = (ngx_http_file_cache_header_t ) buf;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	873
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	874 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	875 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	876 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	877 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	878
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	879 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	880 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	881
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	882 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	883
5245 711fa02afae8 Valgrind: supressed complaints about uninitialized bytes. Maxim Dounin <mdounin@mdounin.ru> parents: 5077 diff changeset	884 ngx_memzero(h, sizeof(ngx_http_file_cache_header_t));
711fa02afae8 Valgrind: supressed complaints about uninitialized bytes. Maxim Dounin <mdounin@mdounin.ru> parents: 5077 diff changeset	885
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	886 h->version = NGX_HTTP_CACHE_VERSION;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	887 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	888 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	889 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	890 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	891 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	892 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	893 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	894
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	895 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	896 h->etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	897 ngx_memcpy(h->etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	898 }
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	899
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	900 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	901
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	902 p = ngx_cpymem(p, ngx_http_file_cache_key, sizeof(ngx_http_file_cache_key));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	903
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	904 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	905 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	906 p = ngx_copy(p, key[i].data, key[i].len);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	907 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	908
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	909 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	910 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	911
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	912
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	913 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	914 ngx_http_file_cache_update(ngx_http_request_t r, ngx_temp_file_t tf)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	915 {
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	916 off_t fs_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	917 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	918 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	919 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	920 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	921 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	922 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	923
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	924 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	925
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	926 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	927 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	928 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	929
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	931 "http file cache update");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	932
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	933 c->updated = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	934 c->updating = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	935
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	936 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	937
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	938 uniq = 0;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	939 fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	940
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	941 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	942 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	943 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	944
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	945 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	946 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	947 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	948 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	949 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	950 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	951
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	952 rc = ngx_ext_rename_file(&tf->file.name, &c->file.name, &ext);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	953
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	954 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	955
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	956 if (ngx_fd_info(tf->file.fd, &fi) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	957 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	958 ngx_fd_info_n " \"%s\" failed", tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	959
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	960 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	961
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	962 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	963 uniq = ngx_file_uniq(&fi);
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	964 fs_size = (ngx_file_fs_size(&fi) + cache->bsize - 1) / cache->bsize;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	965 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	966 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	967
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	968 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	969
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	970 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	971 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	972 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	973
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	974 cache->sh->size += fs_size - c->node->fs_size;
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	975 c->node->fs_size = fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	976
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	977 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	978 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	979 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	980
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	981 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	982
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	983 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	984 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	985
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	986
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	987 void
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	988 ngx_http_file_cache_update_header(ngx_http_request_t *r)
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	989 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	990 ssize_t n;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	991 ngx_err_t err;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	992 ngx_file_t file;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	993 ngx_file_info_t fi;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	994 ngx_http_cache_t *c;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	995 ngx_http_file_cache_header_t h;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	996
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	997 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	998 "http file cache update header");
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	999
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1000 c = r->cache;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1001
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1002 ngx_memzero(&file, sizeof(ngx_file_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1003
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1004 file.name = c->file.name;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1005 file.log = r->connection->log;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1006 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1007
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1008 if (file.fd == NGX_INVALID_FILE) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1009 err = ngx_errno;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1010
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1011 /* cache file may have been deleted */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1012
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1013 if (err == NGX_ENOENT) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1014 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1015 "http file cache \"%s\" not found",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1016 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1017 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1018 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1019
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1020 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1021 ngx_open_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1022 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1023 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1024
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1025 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1026 * make sure cache file wasn't replaced;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1027 * if it was, do nothing
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1028 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1029
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1030 if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1031 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1032 ngx_fd_info_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1033 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1034 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1035
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1036 if (c->uniq != ngx_file_uniq(&fi)
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1037 \|\| c->length != ngx_file_size(&fi))
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1038 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1039 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1040 "http file cache \"%s\" changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1041 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1042 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1043 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1044
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1045 n = ngx_read_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1046 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1047
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1048 if (n == NGX_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1049 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1050 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1051
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1052 if ((size_t) n != sizeof(ngx_http_file_cache_header_t)) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1053 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1054 ngx_read_file_n " read only %z of %z from \"%s\"",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1055 n, sizeof(ngx_http_file_cache_header_t), file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1056 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1057 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1058
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1059 if (h.version != NGX_HTTP_CACHE_VERSION
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1060 \|\| h.last_modified != c->last_modified
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1061 \|\| h.crc32 != c->crc32
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1062 \|\| h.header_start != c->header_start
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1063 \|\| h.body_start != c->body_start)
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1064 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1065 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1066 "http file cache \"%s\" content changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1067 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1068 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1069 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1070
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1071 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1072 * update cache file header with new data,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1073 * notably h.valid_sec and h.date
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1074 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1075
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1076 ngx_memzero(&h, sizeof(ngx_http_file_cache_header_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1077
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1078 h.version = NGX_HTTP_CACHE_VERSION;
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1079 h.valid_sec = c->valid_sec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1080 h.last_modified = c->last_modified;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1081 h.date = c->date;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1082 h.crc32 = c->crc32;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1083 h.valid_msec = (u_short) c->valid_msec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1084 h.header_start = (u_short) c->header_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1085 h.body_start = (u_short) c->body_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1086
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1087 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1088 h.etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1089 ngx_memcpy(h.etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1090 }
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1091
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1092 (void) ngx_write_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1093 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1094
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1095 done:
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1096
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1097 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1098 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1099 ngx_close_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1100 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1101 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1102
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1103
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1104 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1105 ngx_http_cache_send(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1106 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1107 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1108 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1109 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1110 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1111
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1112 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1113
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1114 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965 90b0487fba44 style fix Igor Sysoev <igor@sysoev.ru> parents: 3942 diff changeset	1115 "http file cache send: %s", c->file.name.data);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1116
4150 b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1117 if (r != r->main && c->length - c->body_start == 0) {
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1118 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1119 }
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1120
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1121 /* we need to allocate all before the header would be sent */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1122
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1123 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1124 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1125 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1126 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1127
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1128 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1129 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1130 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1131 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1132
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1133 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1134
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1135 if (rc == NGX_ERROR \|\| rc > NGX_OK \|\| r->header_only) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1136 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1137 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1138
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1139 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1140 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1141
4150 b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1142 b->in_file = (c->length - c->body_start) ? 1: 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1143 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1144 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1145
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1146 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1147 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1148 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1149
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1150 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1151 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1152
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1153 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1154 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1155
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1156
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1157 void
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1158 ngx_http_file_cache_free(ngx_http_cache_t c, ngx_temp_file_t tf)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1159 {
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1160 ngx_http_file_cache_t *cache;
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1161 ngx_http_file_cache_node_t *fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1162
3917 2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different, Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	1163 if (c->updated \|\| c->node == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1164 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1165 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1166
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1167 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1168
3713 f0b62d1ac7af move debug logging inside ngx_http_file_cache_free() Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	1169 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
f0b62d1ac7af move debug logging inside ngx_http_file_cache_free() Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	1170 "http file cache free, fd: %d", c->file.fd);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1171
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1172 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1173
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1174 fcn = c->node;
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1175 fcn->count--;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1176
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1177 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1178 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1179 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1180
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1181 if (c->error) {
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1182 fcn->error = c->error;
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1183
3743 c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1184 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1185 fcn->valid_sec = c->valid_sec;
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1186 fcn->valid_msec = c->valid_msec;
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1187 }
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1188
3723 14ad3210fc73 do not free unused cache node if cache min_uses > 1, Igor Sysoev <igor@sysoev.ru> parents: 3713 diff changeset	1189 } else if (!fcn->exists && fcn->count == 0 && c->min_uses == 1) {
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1190 ngx_queue_remove(&fcn->queue);
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1191 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1192 ngx_slab_free_locked(cache->shpool, fcn);
dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1193 c->node = NULL;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1194 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1195
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1196 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1197
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1198 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1199 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1200
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1201 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1202 if (tf && tf->file.fd != NGX_INVALID_FILE) {
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1203 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1204 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1205 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1206
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1207 if (ngx_delete_file(tf->file.name.data) == NGX_FILE_ERROR) {
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1208 ngx_log_error(NGX_LOG_CRIT, c->file.log, ngx_errno,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1209 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1210 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1211 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1212 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1213 }
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1214
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1215 if (c->wait_event.timer_set) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1216 ngx_del_timer(&c->wait_event);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1217 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1218 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1219
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1220
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1221 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1222 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1223 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1224 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1225
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1226 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1227 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1228 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1229
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1230 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1231 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1232
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1233 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1234 ngx_log_error(NGX_LOG_ALERT, c->file.log, 0,
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1235 "stalled cache updating, error:%ui", c->error);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1236 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1237
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1238 ngx_http_file_cache_free(c, NULL);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1239 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1240
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1241
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1242 static time_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1243 ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1244 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1245 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1246 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1247 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1248 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1249 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1250 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1251 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1252
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1253 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1254 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1255
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1256 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1257 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1258
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1259 name = ngx_alloc(len + 1, ngx_cycle->log);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1260 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1261 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1262 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1263
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1264 ngx_memcpy(name, path->name.data, path->name.len);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1265
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1266 wait = 10;
3728 a29bb11f8c80 change logic slightly Igor Sysoev <igor@sysoev.ru> parents: 3727 diff changeset	1267 tries = 20;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1268
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1269 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1270
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1271 for (q = ngx_queue_last(&cache->sh->queue);
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1272 q != ngx_queue_sentinel(&cache->sh->queue);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1273 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1274 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1275 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1276
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1277 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1278 "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd",
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1279 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1280 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1281
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1282 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1283 ngx_http_file_cache_delete(cache, q, name);
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1284 wait = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1285
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1286 } else {
3728 a29bb11f8c80 change logic slightly Igor Sysoev <igor@sysoev.ru> parents: 3727 diff changeset	1287 if (--tries) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1288 continue;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1289 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1290
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1291 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1292 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1293
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1294 break;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1295 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1296
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1297 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1298
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1299 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1300
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1301 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1302 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1303
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1304
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1305 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1306 ngx_http_file_cache_expire(ngx_http_file_cache_t *cache)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1307 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1308 u_char name, p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1309 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1310 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1311 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1312 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1313 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1314 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1315
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1316 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1317 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1318
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1319 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1320 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1321
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1322 name = ngx_alloc(len + 1, ngx_cycle->log);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1323 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1324 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1325 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1326
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1327 ngx_memcpy(name, path->name.data, path->name.len);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1328
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1329 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1330
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1331 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1332
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1333 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1334
5679 5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1335 if (ngx_quit \|\| ngx_terminate) {
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1336 wait = 1;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1337 break;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1338 }
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1339
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1340 if (ngx_queue_empty(&cache->sh->queue)) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1341 wait = 10;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1342 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1343 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1344
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1345 q = ngx_queue_last(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1346
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1347 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1348
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1349 wait = fcn->expire - now;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1350
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1351 if (wait > 0) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1352 wait = wait > 10 ? 10 : wait;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1353 break;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1354 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1355
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1356 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1357 "http file cache expire: #%d %d %02xd%02xd%02xd%02xd",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1358 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1359 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1360
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1361 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1362 ngx_http_file_cache_delete(cache, q, name);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1363 continue;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1364 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1365
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1366 if (fcn->deleting) {
3942 2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node Igor Sysoev <igor@sysoev.ru> parents: 3917 diff changeset	1367 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node Igor Sysoev <igor@sysoev.ru> parents: 3917 diff changeset	1368 break;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1369 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1370
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1371 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1372 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1373 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1374 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1375
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1376 /*
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1377 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1378 * and although it may be safe to remove them completely,
4340 4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1379 * we prefer to just move them to the top of the inactive queue
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1380 */
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1381
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1382 ngx_queue_remove(q);
4340 4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1383 fcn->expire = ngx_time() + cache->inactive;
4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1384 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1385
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1386 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1387 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1388 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1389 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1390
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1391 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1392
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1393 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1394
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1395 return wait;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1396 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1397
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1398
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1399 static void
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1400 ngx_http_file_cache_delete(ngx_http_file_cache_t cache, ngx_queue_t q,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1401 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1402 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1403 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1404 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1405 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1406 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1407
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1408 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1409
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1410 if (fcn->exists) {
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1411 cache->sh->size -= fcn->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1412
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1413 path = cache->path;
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1414 p = name + path->name.len + 1 + path->len;
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1415 p = ngx_hex_dump(p, (u_char *) &fcn->node.key,
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1416 sizeof(ngx_rbtree_key_t));
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1417 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1418 p = ngx_hex_dump(p, fcn->key, len);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1419 *p = '\0';
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1420
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1421 fcn->count++;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1422 fcn->deleting = 1;
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1423 ngx_shmtx_unlock(&cache->shpool->mutex);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1424
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1425 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1426 ngx_create_hashed_filename(path, name, len);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1427
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1428 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1429 "http file cache expire: \"%s\"", name);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1430
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1431 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1432 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, ngx_errno,
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1433 ngx_delete_file_n " \"%s\" failed", name);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1434 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1435
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1436 ngx_shmtx_lock(&cache->shpool->mutex);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1437 fcn->count--;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1438 fcn->deleting = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1439 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1440
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1441 if (fcn->count == 0) {
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1442 ngx_queue_remove(q);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1443 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1444 ngx_slab_free_locked(cache->shpool, fcn);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1445 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1446 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1447
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1448
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1449 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1450 ngx_http_file_cache_manager(void *data)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1451 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1452 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1453
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1454 off_t size;
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1455 time_t next, wait;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1456
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1457 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1458
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1459 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1460 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1461
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1462 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1463 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1464
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1465 size = cache->sh->size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1466
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1467 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1468
2631 73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1469 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1470 "http file cache size: %O", size);
73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1471
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1472 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1473 return next;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1474 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1475
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1476 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1477
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1478 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1479 return wait;
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1480 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1481
3972 c1a69e03bdf2 rename ngx_http_file_cache_manager_sleep() to ngx_http_file_cache_loader_sleep() Igor Sysoev <igor@sysoev.ru> parents: 3971 diff changeset	1482 if (ngx_quit \|\| ngx_terminate) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1483 return next;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1484 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1485 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1486 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1487
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1488
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1489 static void
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1490 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1491 {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1492 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1493
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1494 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1495
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1496 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1497 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1498 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1499
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1500 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1501 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1502 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1503
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1504 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1505 "http file cache loader");
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1506
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1507 tree.init_handler = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1508 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1509 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1510 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1511 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1512 tree.data = cache;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1513 tree.alloc = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1514 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1515
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1516 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1517 cache->files = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1518
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1519 if (ngx_walk_tree(&tree, &cache->path->name) == NGX_ABORT) {
3020 364ea8f54a2f unlock incompletely loaded cache Igor Sysoev <igor@sysoev.ru> parents: 3018 diff changeset	1520 cache->sh->loading = 0;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1521 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1522 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1523
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1524 cache->sh->cold = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1525 cache->sh->loading = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1526
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1527 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1528 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1529 &cache->path->name,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1530 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1531 cache->bsize);
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1532 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1533
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1534
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1535 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1536 ngx_http_file_cache_noop(ngx_tree_ctx_t ctx, ngx_str_t path)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1537 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1538 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1539 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1540
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1541
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1542 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1543 ngx_http_file_cache_manage_file(ngx_tree_ctx_t ctx, ngx_str_t path)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1544 {
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1545 ngx_msec_t elapsed;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1546 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1547
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1548 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1549
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1550 if (ngx_http_file_cache_add_file(ctx, path) != NGX_OK) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1551 (void) ngx_http_file_cache_delete_file(ctx, path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1552 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1553
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1554 if (++cache->files >= cache->loader_files) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1555 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1556
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1557 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1558 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1559
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1560 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1561
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1562 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1563 "http file cache loader time elapsed: %M", elapsed);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1564
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1565 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1566 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1567 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1568 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1569
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1570 return (ngx_quit \|\| ngx_terminate) ? NGX_ABORT : NGX_OK;
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1571 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1572
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1573
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1574 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1575 ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache)
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1576 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1577 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1578
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1579 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1580
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1581 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	1582 cache->files = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1583 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1584
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1585
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1586 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1587 ngx_http_file_cache_add_file(ngx_tree_ctx_t ctx, ngx_str_t name)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1588 {
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1589 u_char *p;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1590 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1591 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1592 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1593 ngx_http_file_cache_t *cache;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1594
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1595 if (name->len < 2 * NGX_HTTP_CACHE_KEY_LEN) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1596 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1597 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1598
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1599 if (ctx->size < (off_t) sizeof(ngx_http_file_cache_header_t)) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1600 ngx_log_error(NGX_LOG_CRIT, ctx->log, 0,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1601 "cache file \"%s\" is too small", name->data);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1602 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1603 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1604
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1605 ngx_memzero(&c, sizeof(ngx_http_cache_t));
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1606 cache = ctx->data;
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1607
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1608 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	1609 c.fs_size = (ctx->fs_size + cache->bsize - 1) / cache->bsize;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1610
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1611 p = &name->data[name->len - 2 * NGX_HTTP_CACHE_KEY_LEN];
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1612
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1613 for (i = 0; i < NGX_HTTP_CACHE_KEY_LEN; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1614 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1615
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1616 if (n == NGX_ERROR) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1617 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1618 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1619
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1620 p += 2;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1621
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1622 c.key[i] = (u_char) n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1623 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1624
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1625 return ngx_http_file_cache_add(cache, &c);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1626 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1627
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1628
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1629 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1630 ngx_http_file_cache_add(ngx_http_file_cache_t cache, ngx_http_cache_t c)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1631 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1632 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1633
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1634 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1635
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1636 fcn = ngx_http_file_cache_lookup(cache, c->key);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1637
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1638 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1639
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	1640 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	1641 sizeof(ngx_http_file_cache_node_t));
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1642 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1643 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1644 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1645 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1646
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1647 ngx_memcpy((u_char *) &fcn->node.key, c->key, sizeof(ngx_rbtree_key_t));
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1648
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1649 ngx_memcpy(fcn->key, &c->key[sizeof(ngx_rbtree_key_t)],
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1650 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1651
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1652 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1653
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1654 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1655 fcn->exists = 1;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1656 fcn->fs_size = c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1657
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1658 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1659
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1660 } else {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1661 ngx_queue_remove(&fcn->queue);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1662 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1663
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1664 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1665
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1666 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1667
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1668 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1669
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1670 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1671 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1672
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1673
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1674 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1675 ngx_http_file_cache_delete_file(ngx_tree_ctx_t ctx, ngx_str_t path)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1676 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1677 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1678 "http file cache delete: \"%s\"", path->data);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1679
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1680 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1681 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1682 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1683 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1684
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1685 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1686 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1687
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1688
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1689 time_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1690 ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status)
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1691 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1692 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1693 ngx_http_cache_valid_t *valid;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1694
2626 b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1695 if (cache_valid == NULL) {
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1696 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1697 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1698
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1699 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1700 for (i = 0; i < cache_valid->nelts; i++) {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1701
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1702 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1703 return valid[i].valid;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1704 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1705
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1706 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1707 return valid[i].valid;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1708 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1709 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1710
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1711 return 0;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1712 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1713
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1714
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1715 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1716 ngx_http_file_cache_set_slot(ngx_conf_t cf, ngx_command_t cmd, void *conf)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1717 {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1718 off_t max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1719 u_char last, p;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1720 time_t inactive;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1721 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1722 ngx_str_t s, name, *value;
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1723 ngx_int_t loader_files;
41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1724 ngx_msec_t loader_sleep, loader_threshold;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1725 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1726 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1727
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1728 cache = ngx_pcalloc(cf->pool, sizeof(ngx_http_file_cache_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1729 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1730 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1731 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1732
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1733 cache->path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1734 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1735 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1736 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1737
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1738 inactive = 600;
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1739 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1740 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1741 loader_threshold = 200;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1742
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1743 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1744 size = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1745 max_size = NGX_MAX_OFF_T_VALUE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1746
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1747 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1748
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1749 cache->path->name = value[1];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1750
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1751 if (cache->path->name.data[cache->path->name.len - 1] == '/') {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1752 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1753 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1754
5330 314c3d7cc3a5 Backed out f1a91825730a and 7094bd12c1ff. Maxim Dounin <mdounin@mdounin.ru> parents: 5317 diff changeset	1755 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1756 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1757 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1758
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1759 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1760
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1761 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1762
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1763 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1764 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1765
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1766 for (n = 0; n < 3 && p < last; n++) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1767
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1768 if (p > '0' && p < '3') {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1769
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1770 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1771 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1772
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1773 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1774 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1775 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1776
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1777 if (*p++ == ':' && n < 2 && p != last) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1778 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1779 }
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1780
627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1781 goto invalid_levels;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1782 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1783
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1784 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1785 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1786
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1787 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1788 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1789 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1790
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1791 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1792
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1793 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1794 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1795 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1796 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1797
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1798 if (ngx_strncmp(value[i].data, "keys_zone=", 10) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1799
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1800 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1801
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1802 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1803
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1804 if (p) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1805 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1806
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1807 p++;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1808
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1809 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1810 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1811
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1812 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1813 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1814 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1815 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1816 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1817
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1818 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1819 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1820 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1821 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1822
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1823 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1824
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1825 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1826 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1827
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1828 inactive = ngx_parse_time(&s, 1);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1829 if (inactive == (time_t) NGX_ERROR) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1830 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1831 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1832 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1833 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1834
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1835 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1836 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1837
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1838 if (ngx_strncmp(value[i].data, "max_size=", 9) == 0) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1839
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1840 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1841 s.data = value[i].data + 9;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1842
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1843 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1844 if (max_size < 0) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1845 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1846 "invalid max_size value \"%V\"", &value[i]);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1847 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1848 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1849
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1850 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1851 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1852
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1853 if (ngx_strncmp(value[i].data, "loader_files=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1854
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1855 loader_files = ngx_atoi(value[i].data + 13, value[i].len - 13);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1856 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1857 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1858 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1859 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1860 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1861
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1862 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1863 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1864
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1865 if (ngx_strncmp(value[i].data, "loader_sleep=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1866
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1867 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1868 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1869
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1870 loader_sleep = ngx_parse_time(&s, 0);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1871 if (loader_sleep == (ngx_msec_t) NGX_ERROR) {
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1872 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1873 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1874 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1875 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1876
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1877 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1878 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1879
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1880 if (ngx_strncmp(value[i].data, "loader_threshold=", 17) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1881
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1882 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1883 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1884
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1885 loader_threshold = ngx_parse_time(&s, 0);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1886 if (loader_threshold == (ngx_msec_t) NGX_ERROR) {
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1887 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1888 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1889 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1890 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1891
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1892 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1893 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1894
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1895 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1896 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1897 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1898 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1899
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1900 if (name.len == 0 \|\| size == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1901 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1902 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1903 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1904 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1905 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1906
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1907 cache->path->manager = ngx_http_file_cache_manager;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1908 cache->path->loader = ngx_http_file_cache_loader;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1909 cache->path->data = cache;
3973 9d6f21415231 set correct configuration file values while adding path Igor Sysoev <igor@sysoev.ru> parents: 3972 diff changeset	1910 cache->path->conf_file = cf->conf_file->file.name.data;
9d6f21415231 set correct configuration file values while adding path Igor Sysoev <igor@sysoev.ru> parents: 3972 diff changeset	1911 cache->path->line = cf->conf_file->line;
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	1912 cache->loader_files = loader_files;
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1913 cache->loader_sleep = loader_sleep;
41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1914 cache->loader_threshold = loader_threshold;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1915
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1916 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1917 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1918 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1919
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1920 cache->shm_zone = ngx_shared_memory_add(cf, &name, size, cmd->post);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1921 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1922 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1923 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1924
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1925 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1926 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1927 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1928 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1929 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1930
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1931
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1932 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1933 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1934
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1935 cache->inactive = inactive;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1936 cache->max_size = max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1937
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1938 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1939 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1940
ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1941
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1942 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1943 ngx_http_file_cache_valid_set_slot(ngx_conf_t cf, ngx_command_t cmd,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1944 void *conf)
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1945 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1946 char *p = conf;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1947
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1948 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1949 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1950 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1951 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1952 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1953 static ngx_uint_t statuses[] = { 200, 301, 302 };
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1954
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1955 a = (ngx_array_t **) (p + cmd->offset);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1956
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1957 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1958 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_cache_valid_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1959 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1960 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1961 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1962 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1963
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1964 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1965 n = cf->args->nelts - 1;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1966
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1967 valid = ngx_parse_time(&value[n], 1);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	1968 if (valid == (time_t) NGX_ERROR) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1969 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1970 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1971 return NGX_CONF_ERROR;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1972 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1973
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1974 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1975
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1976 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1977 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1978 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1979 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1980 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1981
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1982 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1983 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1984 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1985
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1986 return NGX_CONF_OK;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1987 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1988
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1989 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1990
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1991 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1992
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1993 status = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1994
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1995 } else {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1996
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1997 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1998 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1999 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2000 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2001 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2002 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2003 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2004
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2005 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2006 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2007 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2008 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2009
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2010 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2011 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2012 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2013
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2014 return NGX_CONF_OK;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2015 }

Mercurial > hg > nginx

annotate src/http/ngx_http_file_cache.c @ 5737:44b9ab7752e3