nginx: src/http/ngx_http_file

annotate src/http/ngx_http_file_cache.c @ 3944:f1f194ceab16

fix segfault if cache key is larger than upstream buffer size patch by Lanshun Zhou

author	Igor Sysoev <igor@sysoev.ru>
date	Tue, 19 Jul 2011 11:24:16 +0000
parents	2e8dbd773d63
children	90b0487fba44 f4dd627c657f

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
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	4 */
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
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7 #include <ngx_config.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_core.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_http.h>
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	10 #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	11
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	13 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	14 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	15 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	16 ngx_http_cache_t *c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	17 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	18 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	19 #endif
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	20 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	21 ngx_http_cache_t *c);
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	22 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	23 ngx_path_t *path);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	24 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	25 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	26 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	27 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	28 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	29 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	30 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	31 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	32 ngx_queue_t q, u_char name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	33 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	34 ngx_http_file_cache_manager_sleep(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 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	36 ngx_str_t *path);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	37 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	38 ngx_str_t *path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	39 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	40 ngx_str_t *path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	41 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	42 ngx_http_cache_t *c);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	43 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	44 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	45
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	46
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	47 ngx_str_t ngx_http_cache_status[] = {
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	48 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	49 ngx_string("BYPASS"),
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	50 ngx_string("EXPIRED"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	51 ngx_string("STALE"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	52 ngx_string("UPDATING"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	53 ngx_string("HIT")
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	54 };
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	55
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	56
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	57 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	58
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	59
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	60 static ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	61 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	62 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	63 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	64
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	65 size_t len;
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	66 ngx_uint_t n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	67 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	68
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	69 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	70
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	71 if (ocache) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	72 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	73 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	74 "cache \"%V\" uses the \"%V\" cache path "
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	75 "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	76 &shm_zone->shm.name, &cache->path->name,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	77 &ocache->path->name);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	78
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	79 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	80 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	81
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	82 for (n = 0; n < 3; n++) {
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	83 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	84 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	85 "cache \"%V\" had previously different levels",
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	86 &shm_zone->shm.name);
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	87 return NGX_ERROR;
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	88 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	89 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	90
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	91 cache->sh = ocache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	92
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	93 cache->shpool = ocache->shpool;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	94 cache->bsize = ocache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	95
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	96 cache->max_size /= cache->bsize;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	97
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	98 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	99 cache->path->loader = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	100 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	101
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	102 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	103 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	104
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	105 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	106
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	107 if (shm_zone->shm.exists) {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	108 cache->sh = cache->shpool->data;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	109 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	110
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	111 return NGX_OK;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	112 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	113
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	114 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	115 if (cache->sh == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	116 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	117 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	118
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	119 cache->shpool->data = cache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	120
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	121 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	122 ngx_http_file_cache_rbtree_insert_value);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	123
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	124 ngx_queue_init(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	125
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	126 cache->sh->cold = 1;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	127 cache->sh->loading = 0;
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	128 cache->sh->size = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	129
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	130 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	131
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	132 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	133
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	134 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	135
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	136 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	137 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	138 return NGX_ERROR;
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
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	141 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	142 &shm_zone->shm.name);
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	143
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	144 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	145 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	146
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	147
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	148 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	149 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	150 {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	151 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	152
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	153 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	154 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	155 return NGX_ERROR;
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
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	158 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	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 r->cache = c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	163 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	164 c->file.fd = NGX_INVALID_FILE;
3697 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 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	167 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	168
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	169
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	170 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	171 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	172 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	173 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	174 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	175 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	176
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	177 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	178 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	179
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	180 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	181 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	182 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	183 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	184
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	185 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	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
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	189 cln->handler = ngx_http_file_cache_cleanup;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	190 cln->data = c;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	191
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_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	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 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	197 }
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
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	200 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	201 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	202 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	203 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	204 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	205 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	206 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	207 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	208
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	209 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	210
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	211 len = 0;
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 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	214 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	215
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	216 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	217 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	218 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	219 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	220
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	221 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	222
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	223 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	224 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	225 }
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 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	228 + sizeof(ngx_http_file_cache_key) + len + 1;
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 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	231 ngx_md5_final(c->key, &md5);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	232 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	235 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	236 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	237 {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	238 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	239 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	240 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	241 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	242 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	243 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	244 ngx_http_core_loc_conf_t *clcf;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	245
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	246 c = r->cache;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	247
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	248 if (c->buf) {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	249 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	250 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	251
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	252 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	253
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	254 cln = ngx_pool_cleanup_add(r->pool, 0);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	255 if (cln == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	256 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	257 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	258
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	259 rc = ngx_http_file_cache_exists(cache, c);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	260
2926 80a314b63c56 delete useless r->cache->uses Igor Sysoev <igor@sysoev.ru> parents: 2925 diff changeset	261 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	262 "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	263
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	264 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	265 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	266 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	267
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	268 cln->handler = ngx_http_file_cache_cleanup;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	269 cln->data = c;
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 if (rc == NGX_AGAIN) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	272 return NGX_HTTP_CACHE_SCARCE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	273 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	274
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	275 cold = cache->sh->cold;
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_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	278
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	279 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	280 return c->error;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	281 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	282
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	283 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	284 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	285 rv = NGX_DECLINED;
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 } else { /* rc == NGX_DECLINED */
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->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	290
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	291 if (!cold) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	292 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	293 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	294
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	295 test = 1;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	296 rv = NGX_HTTP_CACHE_SCARCE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	297
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	298 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	299 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	300 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	301 rv = NGX_DECLINED;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	302 }
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
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	305 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	306 return NGX_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	309 if (!test) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	310 return NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	311 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	312
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	313 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	314
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	315 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	316
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	317 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	318 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	319 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	320 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	321 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178 975f0558aab3 read_ahead Igor Sysoev <igor@sysoev.ru> parents: 3136 diff changeset	322 of.read_ahead = clcf->read_ahead;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	323
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	324 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	325 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	326 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	327 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	328
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	329 case 0:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	330 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	331
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	332 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	333 case NGX_ENOTDIR:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	334 return rv;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	335
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	336 default:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	337 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	338 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	339 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	340 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	343 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	344 "http file cache fd: %d", of.fd);
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 c->file.fd = of.fd;
2603 f9bd7999eb08 fix segfault if ngx_read_file() will fail Igor Sysoev <igor@sysoev.ru> parents: 2600 diff changeset	347 c->file.log = r->connection->log;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	348 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	349 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	350 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	351
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	352 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	353 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	354 return NGX_ERROR;
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
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	357 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	358 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	359
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	360
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	361 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	362 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	363 {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	364 time_t now;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	365 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	366 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	367 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	368 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	369
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	370 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	371
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	372 if (n < 0) {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	373 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	374 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	375
3369 479468a7d982 fix handling cached HTTP/0.9 response Igor Sysoev <igor@sysoev.ru> parents: 3294 diff changeset	376 if ((size_t) n < c->header_start) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	377 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	378 "cache file \"%s\" is too small", 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	379 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	380 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	381
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	382 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	383
3460 bbea0b19b608 fix cached FastCGI response with large stderr output before header Igor Sysoev <igor@sysoev.ru> parents: 3400 diff changeset	384 if (h->crc32 != c->crc32) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	385 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	386 "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	387 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	388 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	389
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	390 c->buf->last += n;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	391
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	392 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	393 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	394 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	395 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	396 c->header_start = h->header_start;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	397 c->body_start = h->body_start;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	398
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	399 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	400
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	401 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	402
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	403 if (cache->sh->cold) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	404
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	405 ngx_shmtx_lock(&cache->shpool->mutex);
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	406
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	407 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	408 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	409 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	410 c->node->exists = 1;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	411 c->node->uniq = c->uniq;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	412
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	413 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	414 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	415
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	416 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	417 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	418
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	419 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	420
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	421 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	422
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	423 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	424
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	425 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	426 rc = NGX_HTTP_CACHE_UPDATING;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	427
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	428 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	429 c->node->updating = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	430 c->updating = 1;
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	431 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	432 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	433
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	434 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	435
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	436 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	437 "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	438 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	439
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	440 return rc;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	441 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	442
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	443 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	444 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	445
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	446
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	447 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	448 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	449 {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	450 #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	451 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	452 ngx_http_core_loc_conf_t *clcf;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	453
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	454 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	455 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	456 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	457
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	458 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	459
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	460 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	461 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	462 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	463
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	464 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	465
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	466 if (n != NGX_AGAIN) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	467 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	468 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	469
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	470 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	471 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	472
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	473 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	474 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	475
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	476 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	477
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	478 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	479
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	480 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	481
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	482 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	483 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	484
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	485
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	486 #if (NGX_HAVE_FILE_AIO)
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	487
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	488 static void
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	489 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	490 {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	491 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	492 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	493
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	494 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	495 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	496
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	497 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	498 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	499
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	500 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	501 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	502
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	503 #endif
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	504
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	505
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	506 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	507 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	508 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	509 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	510 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	511
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	512 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	513
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	514 fcn = ngx_http_file_cache_lookup(cache, c->key);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	515
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	516 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	517 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	518
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	519 fcn->uses++;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	520 fcn->count++;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	521
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	522 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	523
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	524 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	525 goto renew;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	526 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	527
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	528 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	529
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	530 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	531 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	532
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	533 if (fcn->exists) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	534
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	535 c->exists = fcn->exists;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	536 c->body_start = fcn->body_start;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	537
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	538 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	539
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	540 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	541 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	542
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	543 if (fcn->uses >= c->min_uses) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	544
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	545 c->exists = fcn->exists;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	546 c->body_start = fcn->body_start;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	547
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	548 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	549
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	550 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	551 rc = NGX_AGAIN;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	552 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	553
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	554 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	555 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	556
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	557 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	558 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	559 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	560 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	561
2693 197cda0e767e style fix Igor Sysoev <igor@sysoev.ru> parents: 2671 diff changeset	562 (void) ngx_http_file_cache_forced_expire(cache);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	563
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	564 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	565
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	566 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	567 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	568 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	569 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	570 goto failed;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	571 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	572 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	573
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	574 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	575
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	576 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	577 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	578
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	579 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	580
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	581 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	582 fcn->count = 1;
3744 77b18d36d123 zero fcn->updating after node allocation Igor Sysoev <igor@sysoev.ru> parents: 3743 diff changeset	583 fcn->updating = 0;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	584 fcn->deleting = 0;
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	585
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	586 renew:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	587
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	588 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	589
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	590 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	591 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	592 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	593 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	594 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	595 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	596 fcn->fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	597
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	598 done:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	599
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	600 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	601
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	602 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	603
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	604 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	605 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	606 c->node = fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	607
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	608 failed:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	609
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	610 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	611
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	612 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	613 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	614
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	615
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	616 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	617 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	618 {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	619 u_char *p;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	620 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	621
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	622 c = r->cache;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	623
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	624 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	625 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	626
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	627 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	628 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	629 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	630 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	631
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	632 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	633
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	634 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	635 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	636 *p = '\0';
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	637
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	638 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	639
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	640 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	641 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	642
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	643 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	644 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	645
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	646
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	647 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	648 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	649 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	650 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	651 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	652 ngx_rbtree_node_t node, sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	653 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	654
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	655 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	656
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	657 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	658 sentinel = cache->sh->rbtree.sentinel;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	659
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	660 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	661
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	662 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	663 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	664 continue;
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 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	668 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	669 continue;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	672 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	673
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	674 do {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	675 fcn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	676
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	677 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	678 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	679
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	680 if (rc == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	681 return fcn;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	684 node = (rc < 0) ? node->left : node->right;
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 } while (node != sentinel && node_key == node->key);
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 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	689 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	690
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	691 /* not found */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	692
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	693 return NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	694 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	697 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	698 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	699 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	700 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	701 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	702 ngx_http_file_cache_node_t cn, cnt;
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 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	705
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	706 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	707
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	708 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	709
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	710 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	711
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	712 p = &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	713
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	714 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	715
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	716 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	717 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	718
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	719 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	720 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	721 < 0)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	722 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	723 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	724
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	725 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	726 break;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	729 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	730 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	731
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	732 *p = node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	733 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	734 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	735 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	736 ngx_rbt_red(node);
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
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 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	741 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	742 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	743 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	744
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	745 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	746 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	747 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	748 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	749
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	750 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	751 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	752
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	753 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	754
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	755 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	756 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	757 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	758 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	759 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	760 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	761 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	762
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	763 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	764
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	765 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	766
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	767 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	768 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	769 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	770 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	771
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	772 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	773 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	774
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	775
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	776 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	777 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	778 {
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	779 off_t fs_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	780 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	781 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	782 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	783 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	784 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	785 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	786
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	787 c = r->cache;
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 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	790 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	791 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	792
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	793 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	794 "http file cache update");
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 c->updated = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	797 c->updating = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	798
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	799 cache = c->file_cache;
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 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	802 fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	803
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	804 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	805 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	806 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	807
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	808 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	809 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	810 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	811 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	812 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	813 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	814
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	815 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	816
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	817 if (rc == NGX_OK) {
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 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	820 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	821 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	822
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	823 rc = NGX_ERROR;
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 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	826 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	827 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	828 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	831 ngx_shmtx_lock(&cache->shpool->mutex);
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 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	834 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	835 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	836
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	837 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	838 c->node->fs_size = fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	839
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	840 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	841 c->node->exists = 1;
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
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	844 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	845
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	846 ngx_shmtx_unlock(&cache->shpool->mutex);
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	849
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	850 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	851 ngx_http_cache_send(ngx_http_request_t *r)
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 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	854 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	855 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	856 ngx_http_cache_t *c;
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 c = r->cache;
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 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	861 "http file cache send: %s", c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	862
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	863 /* 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	864
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	865 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	866 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	867 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	870 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	871 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	872 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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
3400 8e407e7c899e fix a cached zero-length body case Igor Sysoev <igor@sysoev.ru> parents: 3369 diff changeset	875 r->header_only = (c->length - c->body_start) == 0;
8e407e7c899e fix a cached zero-length body case Igor Sysoev <igor@sysoev.ru> parents: 3369 diff changeset	876
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	877 rc = ngx_http_send_header(r);
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 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	880 return rc;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	883 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	884 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	885
3400 8e407e7c899e fix a cached zero-length body case Igor Sysoev <igor@sysoev.ru> parents: 3369 diff changeset	886 b->in_file = 1;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	887 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	888 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	889
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	890 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	891 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	892 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	893
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	894 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	895 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	896
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	897 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	898 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	899
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	900
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	901 void
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	902 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	903 {
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	904 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	905 ngx_http_file_cache_node_t *fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	906
3917 2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different, Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	907 if (c->updated \|\| c->node == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	908 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	909 }
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 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	912
3713 f0b62d1ac7af move debug logging inside ngx_http_file_cache_free() Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	913 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	914 "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	915
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	916 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	917
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	918 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	919 fcn->count--;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	920
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	921 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	922 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	923 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	924
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	925 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	926 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	927
3743 c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	928 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	929 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	930 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	931 }
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	932
3723 14ad3210fc73 do not free unused cache node if cache min_uses > 1, Igor Sysoev <igor@sysoev.ru> parents: 3713 diff changeset	933 } 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	934 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	935 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	936 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	937 c->node = NULL;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	938 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	939
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	940 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	941
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	942 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	943 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	944
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	945 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	946 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	947 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	948 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	949 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	950
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	951 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	952 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	953 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	954 tf->file.name.data);
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 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	957 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	958 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	961 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	962 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	963 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	964 ngx_http_cache_t *c = data;
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 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	967 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	968 }
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 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	971 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	972
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	973 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	974 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	975 "stalled cache updating, error:%ui", c->error);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	976 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	977
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	978 ngx_http_file_cache_free(c, NULL);
2592 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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	981
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	982 static time_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	983 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	984 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	985 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	986 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	987 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	988 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	989 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	990 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	991 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	992
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	993 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	994 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	995
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	996 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	997 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	998
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	999 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	1000 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1001 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1002 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1003
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1004 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	1005
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1006 wait = 10;
3728 a29bb11f8c80 change logic slightly Igor Sysoev <igor@sysoev.ru> parents: 3727 diff changeset	1007 tries = 20;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1008
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1009 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1010
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1011 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	1012 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	1013 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1014 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1015 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	1016
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1017 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	1018 "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	1019 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1020 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	1021
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1022 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1023 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	1024 wait = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1025
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1026 } else {
3728 a29bb11f8c80 change logic slightly Igor Sysoev <igor@sysoev.ru> parents: 3727 diff changeset	1027 if (--tries) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1028 continue;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1029 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1030
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1031 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1032 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1033
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1034 break;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1035 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1036
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1037 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1038
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1039 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1040
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1041 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1042 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1043
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1044
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1045 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1046 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	1047 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1048 u_char name, p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1049 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1050 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1051 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1052 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1053 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1054 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1055
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1056 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	1057 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1058
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1059 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1060 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	1061
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1062 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	1063 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1064 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1065 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1066
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1067 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	1068
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1069 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1070
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1071 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1072
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1073 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1074
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1075 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	1076 wait = 10;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1077 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1078 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1079
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1080 q = ngx_queue_last(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1081
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1082 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	1083
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1084 wait = fcn->expire - now;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1085
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1086 if (wait > 0) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1087 wait = wait > 10 ? 10 : wait;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1088 break;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1089 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1090
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1091 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	1092 "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	1093 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1094 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	1095
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1096 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1097 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	1098 continue;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1099 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1100
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1101 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	1102 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node Igor Sysoev <igor@sysoev.ru> parents: 3917 diff changeset	1103 break;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1104 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1105
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1106 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1107 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1108 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1109 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1110
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1111 /*
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1112 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1113 * and although it may be safe to remove them completely,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1114 * we prefer to remove them from inactive queue and rbtree
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1115 * only, and to allow other leaks
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1116 */
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1117
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1118 ngx_queue_remove(q);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1119 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1120
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1121 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1122 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1123 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	1124 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1125
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1126 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1127
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1128 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1129
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1130 return wait;
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
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1134 static void
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1135 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	1136 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1137 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1138 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1139 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1140 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1141 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1142
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1143 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	1144
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1145 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	1146 cache->sh->size -= fcn->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1147
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1148 path = cache->path;
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1149 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	1150 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	1151 sizeof(ngx_rbtree_key_t));
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1152 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	1153 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	1154 *p = '\0';
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1155
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1156 fcn->count++;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1157 fcn->deleting = 1;
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1158 ngx_shmtx_unlock(&cache->shpool->mutex);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1159
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1160 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	1161 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	1162
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1163 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	1164 "http file cache expire: \"%s\"", name);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1165
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1166 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	1167 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	1168 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	1169 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1170
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1171 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	1172 fcn->count--;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1173 fcn->deleting = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1174 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1175
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1176 if (fcn->count == 0) {
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1177 ngx_queue_remove(q);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1178 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	1179 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	1180 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1181 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1182
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1183
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1184 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1185 ngx_http_file_cache_manager(void *data)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1186 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1187 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1188
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1189 off_t size;
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1190 time_t next, wait;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1191
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1192 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1193
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1194 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1195 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1196
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1197 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1198 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1199
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1200 size = cache->sh->size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1201
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1202 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1203
2631 73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1204 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1205 "http file cache size: %O", size);
73571521c2eb add debug logging Igor Sysoev <igor@sysoev.ru> parents: 2626 diff changeset	1206
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1207 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1208 return next;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1209 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1210
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1211 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1212
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1213 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1214 return wait;
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1215 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1216
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1217 if (ngx_http_file_cache_manager_sleep(cache) != NGX_OK) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1218 return next;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1219 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1220 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1221 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1222
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1223
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1224 static void
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1225 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1226 {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1227 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1228
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1229 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1230
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1231 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1232 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1233 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1234
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1235 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1236 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1237 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1238
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1240 "http file cache loader");
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1241
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1242 tree.init_handler = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1243 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1244 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1245 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1246 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1247 tree.data = cache;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1248 tree.alloc = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1249 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1250
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1251 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1252 cache->files = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1253
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1254 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	1255 cache->sh->loading = 0;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1256 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1257 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1258
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1259 cache->sh->cold = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1260 cache->sh->loading = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1261
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1262 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1263 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1264 &cache->path->name,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1265 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1266 cache->bsize);
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1267 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1268
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1269
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1270 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1271 ngx_http_file_cache_manager_sleep(ngx_http_file_cache_t *cache)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1272 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1273 ngx_msec_t elapsed;
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 if (cache->files++ > 100) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1276
3475 ab353d7dc182 ) introduce ngx_time_sigsafe_update() to update the error log time only Igor Sysoev <igor@sysoev.ru>* parents: 3474 diff changeset	1277 ngx_time_update();
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1278
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1279 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1280
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1281 ngx_log_debug1(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	1282 "http file cache manager time: %M", elapsed);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1283
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1284 if (elapsed > 200) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1285
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1286 /*
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1287 * if processing 100 files takes more than 200ms,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1288 * it seems that many operations require disk i/o,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1289 * therefore sleep 200ms
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
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1292 ngx_msleep(200);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1293
3475 ab353d7dc182 ) introduce ngx_time_sigsafe_update() to update the error log time only Igor Sysoev <igor@sysoev.ru>* parents: 3474 diff changeset	1294 ngx_time_update();
2616 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 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1298 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1299 }
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 (ngx_quit \|\| ngx_terminate) ? NGX_ABORT : NGX_OK;
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 ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1306 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	1307 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1308 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1309 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1310
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1311
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1312 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1313 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	1314 {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1315 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1316
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1317 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1318
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1319 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	1320 (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	1321 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1322
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1323 return ngx_http_file_cache_manager_sleep(cache);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1324 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1325
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1326
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1327 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1328 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	1329 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1330 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1331 ngx_fd_t fd;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1332 ngx_int_t n;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1333 ngx_uint_t i;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1334 ngx_file_info_t fi;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1335 ngx_http_cache_t c;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1336 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1337 ngx_http_file_cache_header_t h;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1338
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1339 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	1340 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1341 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1342
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1343 ngx_memzero(&c, sizeof(ngx_http_cache_t));
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1344
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1345 fd = ngx_open_file(name->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1346
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1347 if (fd == NGX_INVALID_FILE) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1348 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1349 ngx_open_file_n " \"%s\" failed", name->data);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1350 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1351 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1352
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1353 c.file.fd = fd;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1354 c.file.name = *name;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1355 c.file.log = ctx->log;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1356
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1357 n = ngx_read_file(&c.file, (u_char *) &h,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1358 sizeof(ngx_http_file_cache_header_t), 0);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1359 if (n == NGX_ERROR) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1360 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1361 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1362
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1363 if ((size_t) n < sizeof(ngx_http_file_cache_header_t)) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1364 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	1365 "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	1366 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1367 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1368
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1369 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	1370
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1371 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1372 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1373 ngx_fd_info_n " \"%s\" failed", name->data);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1374
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1375 } else {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1376 c.uniq = ngx_file_uniq(&fi);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1377 c.valid_sec = h.valid_sec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1378 c.valid_msec = h.valid_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1379 c.body_start = h.body_start;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1380 c.length = ngx_file_size(&fi);
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1381 c.fs_size = (ngx_file_fs_size(&fi) + cache->bsize - 1) / cache->bsize;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1382 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1383
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1384 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1385 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1386 ngx_close_file_n " \"%s\" failed", name->data);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1387 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1388
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1389 if (c.body_start == 0) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1390 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1391 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1392
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1393 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	1394
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1395 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	1396 n = ngx_hextoi(p, 2);
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 if (n == NGX_ERROR) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1399 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1400 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1401
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1402 p += 2;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1403
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1404 c.key[i] = (u_char) n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1405 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1406
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1407 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	1408 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1409
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1410
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1411 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1412 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	1413 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1414 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1415
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1416 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1417
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1418 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	1419
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1420 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1421
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1422 fcn = ngx_slab_alloc_locked(cache->shpool,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1423 sizeof(ngx_http_file_cache_node_t));
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1424 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1425 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1426 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1427 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1428
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1429 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	1430
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1431 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	1432 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	1433
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1434 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	1435
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1436 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1437 fcn->count = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1438 fcn->valid_msec = c->valid_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1439 fcn->error = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1440 fcn->exists = 1;
3744 77b18d36d123 zero fcn->updating after node allocation Igor Sysoev <igor@sysoev.ru> parents: 3743 diff changeset	1441 fcn->updating = 0;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1442 fcn->deleting = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1443 fcn->uniq = c->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1444 fcn->valid_sec = c->valid_sec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1445 fcn->body_start = c->body_start;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1446 fcn->fs_size = c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1447
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1448 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1449
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1450 } else {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1451 ngx_queue_remove(&fcn->queue);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1452 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1453
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1454 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1455
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1456 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	1457
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1458 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1459
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1460 return NGX_OK;
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
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1463
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1464 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1465 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	1466 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1467 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	1468 "http file cache delete: \"%s\"", path->data);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1469
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1470 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1471 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	1472 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1473 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1474
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1475 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1476 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1477
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1478
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1479 time_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1480 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	1481 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1482 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1483 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	1484
2626 b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1485 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	1486 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1487 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	1488
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1489 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1490 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	1491
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1492 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1493 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	1494 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1495
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1496 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1497 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	1498 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1499 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1500
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1501 return 0;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1502 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1503
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1504
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1505 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1506 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	1507 {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1508 off_t max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1509 u_char last, p;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1510 time_t inactive;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1511 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1512 ngx_str_t s, name, *value;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1513 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1514 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1515
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1516 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	1517 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1518 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1519 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1520
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1521 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	1522 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1523 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1524 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1525
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1526 inactive = 600;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1527
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1528 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1529 size = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1530 max_size = NGX_MAX_OFF_T_VALUE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1531
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1532 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1533
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1534 cache->path->name = value[1];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1535
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1536 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	1537 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1538 }
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 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1541 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1542 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1543
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1544 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1545
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1546 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1547
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1548 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1549 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1550
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1551 for (n = 0; n < 3 && p < last; n++) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1552
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1553 if (p > '0' && p < '3') {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1554
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1555 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1556 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1557
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1558 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1559 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1560 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1561
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1562 if (*p++ == ':' && n < 2 && p != last) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1563 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1564 }
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1565
627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	1566 goto invalid_levels;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1567 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1568
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1569 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1570 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1571
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1572 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1573 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1574 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1575
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1576 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1577
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1578 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1579 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1580 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1581 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1582
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1583 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	1584
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1585 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1586
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1587 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1588
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1589 if (p) {
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	1590 *p = '\0';
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	1591
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1592 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1593
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1594 p++;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1595
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1596 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1597 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1598
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1599 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1600 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1601 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1602 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1603 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1604
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1605 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1606 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1607 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1608 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1609
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1610 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1611
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1612 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1613 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1614
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1615 inactive = ngx_parse_time(&s, 1);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1616 if (inactive < 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1618 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1619 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1620 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1621
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1622 continue;
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 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	1626
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1627 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1628 s.data = value[i].data + 9;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1629
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1630 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1631 if (max_size < 0) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1632 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	1633 "invalid max_size value \"%V\"", &value[i]);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1634 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1635 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1636
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1637 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1638 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1639
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1640 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1641 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1642 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1643 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1644
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1645 if (name.len == 0 \|\| size == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1646 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1647 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1648 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1649 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1650 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1651
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1652 cache->path->manager = ngx_http_file_cache_manager;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	1653 cache->path->loader = ngx_http_file_cache_loader;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1654 cache->path->data = cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1655
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1656 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1657 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1658 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1659
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1660 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	1661 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1662 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1663 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1664
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1665 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1666 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1667 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1668 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1669 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1670
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1671
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1672 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1673 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1674
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1675 cache->inactive = inactive;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1676 cache->max_size = max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1677
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1678 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1679 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1680
ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1681
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1682 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1683 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	1684 void *conf)
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1685 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1686 char *p = conf;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1687
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1688 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1689 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1690 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1691 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1692 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1693 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	1694
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1695 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	1696
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1697 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1698 *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	1699 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1700 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1701 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1702 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1703
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1704 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1705 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	1706
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1707 valid = ngx_parse_time(&value[n], 1);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1708 if (valid < 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1709 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1710 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1711 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	1712 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1713
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1714 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1715
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1716 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1717 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1718 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1719 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1720 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1721
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1722 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1723 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1724 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1725
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1726 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	1727 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1728
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1729 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1730
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1731 if (ngx_strcmp(value[i].data, "any") == 0) {
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 status = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1734
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1735 } else {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1736
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1737 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1738 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1739 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1740 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1741 return NGX_CONF_ERROR;
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 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1744
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1745 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1746 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1747 return NGX_CONF_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1750 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1751 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1752 }
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 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	1755 }
3526 62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1756
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1757
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1758 ngx_int_t
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1759 ngx_http_cache(ngx_http_request_t r, ngx_array_t no_cache)
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1760 {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1761 ngx_str_t val;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1762 ngx_uint_t i;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1763 ngx_http_complex_value_t *cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1764
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1765 cv = no_cache->elts;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1766
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1767 for (i = 0; i < no_cache->nelts; i++) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1768 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1769 return NGX_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1770 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1771
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1772 if (val.len && val.data[0] != '0') {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1773 return NGX_DECLINED;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1774 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1775 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1776
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1777 return NGX_OK;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1778 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1779
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1780
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1781 char *
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1782 ngx_http_no_cache_set_slot(ngx_conf_t cf, ngx_command_t cmd, void *conf)
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1783 {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1784 char *p = conf;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1785
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1786 ngx_str_t *value;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1787 ngx_uint_t i;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1788 ngx_array_t **a;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1789 ngx_http_complex_value_t *cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1790 ngx_http_compile_complex_value_t ccv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1791
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1792 a = (ngx_array_t **) (p + cmd->offset);
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1793
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1794 if (*a == NGX_CONF_UNSET_PTR) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1795 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t));
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1796 if (*a == NULL) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1797 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1798 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1799 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1800
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1801 value = cf->args->elts;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1802
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1803 for (i = 1; i < cf->args->nelts; i++) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1804 cv = ngx_array_push(*a);
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1805 if (cv == NULL) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1806 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1807 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1808
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1809 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1810
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1811 ccv.cf = cf;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1812 ccv.value = &value[i];
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1813 ccv.complex_value = cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1814
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1815 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1816 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1817 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1818 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1819
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1820 return NGX_CONF_OK;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3475 diff changeset	1821 }

Mercurial > hg > nginx

annotate src/http/ngx_http_file_cache.c @ 3944:f1f194ceab16