nginx: src/http/ngx_http_file

annotate src/http/ngx_http_file_cache.c @ 7660:d33e17499088

Version bump.

author	Maxim Dounin <mdounin@mdounin.ru>
date	Tue, 26 May 2020 22:03:00 +0300
parents	bddacdaaec9e
children	ccb5ff87ab3e

rev	line source
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	2 /*
444 42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright Igor Sysoev <igor@sysoev.ru> parents: 441 diff changeset	3 * Copyright (C) Igor Sysoev
4412 d620f497c50f Copyright updated. Maxim Konovalov <maxim@nginx.com> parents: 4387 diff changeset	4 * Copyright (C) Nginx, Inc.
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	6
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_config.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_core.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10 #include <ngx_http.h>
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	11 #include <ngx_md5.h>
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	14 static ngx_int_t ngx_http_file_cache_lock(ngx_http_request_t *r,
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	15 ngx_http_cache_t *c);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	16 static void ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev);
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	17 static void ngx_http_file_cache_lock_wait(ngx_http_request_t *r,
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	18 ngx_http_cache_t *c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	19 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	20 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	21 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	22 ngx_http_cache_t *c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	23 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	24 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	25 #endif
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	26 #if (NGX_THREADS)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	27 static ngx_int_t ngx_http_cache_thread_handler(ngx_thread_task_t *task,
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	28 ngx_file_t *file);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	29 static void ngx_http_cache_thread_event_handler(ngx_event_t *ev);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	30 #endif
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	31 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	32 ngx_http_cache_t *c);
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	33 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	34 ngx_path_t *path);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	35 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	36 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	37 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	38 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	39 static void ngx_http_file_cache_vary(ngx_http_request_t r, u_char vary,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	40 size_t len, u_char *hash);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	41 static void ngx_http_file_cache_vary_header(ngx_http_request_t *r,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	42 ngx_md5_t md5, ngx_str_t name);
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	43 static ngx_int_t ngx_http_file_cache_reopen(ngx_http_request_t *r,
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	44 ngx_http_cache_t *c);
5959 f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	45 static ngx_int_t ngx_http_file_cache_update_variant(ngx_http_request_t *r,
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	46 ngx_http_cache_t *c);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	47 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	48 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	49 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	50 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	51 ngx_queue_t q, u_char name);
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	52 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	53 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	54 ngx_str_t *path);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	55 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	56 ngx_str_t *path);
5968 99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	57 static ngx_int_t ngx_http_file_cache_manage_directory(ngx_tree_ctx_t *ctx,
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	58 ngx_str_t *path);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	59 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	60 ngx_str_t *path);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	61 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	62 ngx_http_cache_t *c);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	63 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	64 ngx_str_t *path);
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	65 static void ngx_http_file_cache_set_watermark(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	66
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	67
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	68 ngx_str_t ngx_http_cache_status[] = {
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	69 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	70 ngx_string("BYPASS"),
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	71 ngx_string("EXPIRED"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	72 ngx_string("STALE"),
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	73 ngx_string("UPDATING"),
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	74 ngx_string("REVALIDATED"),
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	75 ngx_string("HIT")
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	76 };
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	77
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2935 diff changeset	78
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	79 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	80
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	81
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	82 static ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	83 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	84 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	85 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	86
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	87 size_t len;
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	88 ngx_uint_t n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	89 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	90
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	91 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	92
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	93 if (ocache) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	94 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	95 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	96 "cache \"%V\" uses the \"%V\" cache path "
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	97 "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	98 &shm_zone->shm.name, &cache->path->name,
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	99 &ocache->path->name);
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	100
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	101 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	102 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	103
6617 8bf484eef9ab Use NGX_MAX_PATH_LEVEL where appropriate. Ruslan Ermilov <ru@nginx.com> parents: 6539 diff changeset	104 for (n = 0; n < NGX_MAX_PATH_LEVEL; n++) {
3017 c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	105 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	106 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	107 "cache \"%V\" had previously different levels",
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	108 &shm_zone->shm.name);
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	109 return NGX_ERROR;
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	110 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	111 }
c466605d9426 test cache path levels while reconfiguration Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	112
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	113 cache->sh = ocache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	114
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	115 cache->shpool = ocache->shpool;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	116 cache->bsize = ocache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	117
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	118 cache->max_size /= cache->bsize;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	119
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	120 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	121 cache->path->loader = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	122 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	123
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	124 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	125 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	126
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	127 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	128
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	129 if (shm_zone->shm.exists) {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	130 cache->sh = cache->shpool->data;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	131 cache->bsize = ngx_fs_bsize(cache->path->name.data);
7075 72d3aefc2993 Cache: fixed max_size on win32. Ruslan Ermilov <ru@nginx.com> parents: 7002 diff changeset	132 cache->max_size /= cache->bsize;
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	133
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	134 return NGX_OK;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	135 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	136
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	137 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	138 if (cache->sh == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	139 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	140 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	141
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	142 cache->shpool->data = cache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	143
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	144 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	145 ngx_http_file_cache_rbtree_insert_value);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	146
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	147 ngx_queue_init(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	148
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	149 cache->sh->cold = 1;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	150 cache->sh->loading = 0;
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	151 cache->sh->size = 0;
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	152 cache->sh->count = 0;
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	153 cache->sh->watermark = (ngx_uint_t) -1;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	154
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	155 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	156
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	157 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	158
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	159 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	160
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	161 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	162 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	163 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	164 }
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	165
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	166 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	167 &shm_zone->shm.name);
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2606 diff changeset	168
5822 063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages. Roman Arutyunyan <arut@nginx.com> parents: 5737 diff changeset	169 cache->shpool->log_nomem = 0;
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages. Roman Arutyunyan <arut@nginx.com> parents: 5737 diff changeset	170
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	171 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	172 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	173
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	174
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	175 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	176 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	177 {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	178 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	179
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	180 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	181 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	182 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	183 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	184
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	185 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	186 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	187 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	188
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	189 r->cache = c;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	190 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	191 c->file.fd = NGX_INVALID_FILE;
3697 3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	192
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	193 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	194 }
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	195
3c442bd5597b ngx_http_file_cache_create() Igor Sysoev <igor@sysoev.ru> parents: 3696 diff changeset	196
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	197 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	198 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	199 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	200 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	201 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	202 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	203
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	204 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	205 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	206
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	207 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	208 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	209 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	210 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	211
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	212 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	213 cln->data = c;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	214
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	215 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	216 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	217 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	218
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	219 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	220 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	221 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	222
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	223 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	224 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	225
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	226
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	227 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	228 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	229 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	230 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	231 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	232 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	233 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	234 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	235
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	236 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	237
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	238 len = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	239
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	240 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	241 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	242
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	243 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	244 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	245 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	246 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	247
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	248 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	249
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	250 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	251 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	252 }
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 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	255 + sizeof(ngx_http_file_cache_key) + len + 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	256
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	257 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	258 ngx_md5_final(c->key, &md5);
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	259
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	260 ngx_memcpy(c->main, c->key, NGX_HTTP_CACHE_KEY_LEN);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	261 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	262
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 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	265 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	266 {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	267 ngx_int_t rc, rv;
5984 3f568dd68af1 Cache: reduced diffs to the plus version of nginx. Ruslan Ermilov <ru@nginx.com> parents: 5968 diff changeset	268 ngx_uint_t test;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	269 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	270 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	271 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	272 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	273 ngx_http_core_loc_conf_t *clcf;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	274
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	275 c = r->cache;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	276
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	277 if (c->waiting) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	278 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	279 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	280
5879 c525c0454aa5 Cache: c->reading flag introduced. Maxim Dounin <mdounin@mdounin.ru> parents: 5878 diff changeset	281 if (c->reading) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	282 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	283 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	284
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	285 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	286
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	287 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	288 cln = ngx_pool_cleanup_add(r->pool, 0);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	289 if (cln == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	290 return NGX_ERROR;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	291 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	292
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	293 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	294 cln->data = c;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	295 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	296
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	297 rc = ngx_http_file_cache_exists(cache, c);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	298
2926 80a314b63c56 delete useless r->cache->uses Igor Sysoev <igor@sysoev.ru> parents: 2925 diff changeset	299 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	300 "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	301
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	302 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	303 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	304 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	305
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	306 if (rc == NGX_AGAIN) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	307 return NGX_HTTP_CACHE_SCARCE;
2592 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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	310 if (rc == NGX_OK) {
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 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	313 return c->error;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	316 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	317 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	318 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	319
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	320 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	321
5984 3f568dd68af1 Cache: reduced diffs to the plus version of nginx. Ruslan Ermilov <ru@nginx.com> parents: 5968 diff changeset	322 test = cache->sh->cold ? 1 : 0;
3f568dd68af1 Cache: reduced diffs to the plus version of nginx. Ruslan Ermilov <ru@nginx.com> parents: 5968 diff changeset	323
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	324 if (c->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	325
5984 3f568dd68af1 Cache: reduced diffs to the plus version of nginx. Ruslan Ermilov <ru@nginx.com> parents: 5968 diff changeset	326 if (!test) {
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	327 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	328 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	329
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	330 rv = NGX_HTTP_CACHE_SCARCE;
2592 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 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	333 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	334 rv = NGX_DECLINED;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	335 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	336 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	337
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	338 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	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 if (!test) {
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	343 goto done;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	344 }
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 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	347
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	348 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	349
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	350 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	351 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	352 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	353 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	354 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178 975f0558aab3 read_ahead Igor Sysoev <igor@sysoev.ru> parents: 3136 diff changeset	355 of.read_ahead = clcf->read_ahead;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	356
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	357 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	358 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	359 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	360 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	361
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	362 case 0:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	363 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	364
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	365 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	366 case NGX_ENOTDIR:
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	367 goto done;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	368
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	369 default:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	370 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	371 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	372 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	373 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	374 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	375
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	376 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	377 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	378
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	379 c->file.fd = of.fd;
2603 f9bd7999eb08 fix segfault if ngx_read_file() will fail Igor Sysoev <igor@sysoev.ru> parents: 2600 diff changeset	380 c->file.log = r->connection->log;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	381 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	382 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	383 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	384
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	385 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	386 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	387 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	388 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	389
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	390 return ngx_http_file_cache_read(r, c);
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	391
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	392 done:
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	393
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	394 if (rv == NGX_DECLINED) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	395 return ngx_http_file_cache_lock(r, c);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	396 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	397
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	398 return rv;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	399 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	400
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	401
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	402 static ngx_int_t
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	403 ngx_http_file_cache_lock(ngx_http_request_t r, ngx_http_cache_t c)
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	404 {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	405 ngx_msec_t now, timer;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	406 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	407
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	408 if (!c->lock) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	409 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	410 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	411
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	412 now = ngx_current_msec;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	413
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	414 cache = c->file_cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	415
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	416 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	417
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	418 timer = c->node->lock_time - now;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	419
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	420 if (!c->node->updating \|\| (ngx_msec_int_t) timer <= 0) {
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	421 c->node->updating = 1;
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	422 c->node->lock_time = now + c->lock_age;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	423 c->updating = 1;
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	424 c->lock_time = c->node->lock_time;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	425 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	426
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	427 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	428
4387 e8181eeddaf8 Fixed build without debug. Maxim Dounin <mdounin@mdounin.ru> parents: 4385 diff changeset	429 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	430 "http file cache lock u:%d wt:%M",
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	431 c->updating, c->wait_time);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	432
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	433 if (c->updating) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	434 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	435 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	436
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	437 if (c->lock_timeout == 0) {
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	438 return NGX_HTTP_CACHE_SCARCE;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	439 }
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	440
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	441 c->waiting = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	442
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	443 if (c->wait_time == 0) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	444 c->wait_time = now + c->lock_timeout;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	445
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	446 c->wait_event.handler = ngx_http_file_cache_lock_wait_handler;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	447 c->wait_event.data = r;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	448 c->wait_event.log = r->connection->log;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	449 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	450
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	451 timer = c->wait_time - now;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	452
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	453 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	454
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	455 r->main->blocked++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	456
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	457 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	458 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	459
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	460
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	461 static void
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	462 ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev)
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	463 {
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	464 ngx_connection_t *c;
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	465 ngx_http_request_t *r;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	466
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	467 r = ev->data;
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	468 c = r->connection;
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	469
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	470 ngx_http_set_log_request(c->log, r);
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	471
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	472 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	473 "http file cache wait: \"%V?%V\"", &r->uri, &r->args);
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	474
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	475 ngx_http_file_cache_lock_wait(r, r->cache);
5929 f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	476
f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	477 ngx_http_run_posted_requests(c);
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	478 }
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	479
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	480
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	481 static void
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	482 ngx_http_file_cache_lock_wait(ngx_http_request_t r, ngx_http_cache_t c)
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	483 {
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	484 ngx_uint_t wait;
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	485 ngx_msec_t now, timer;
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	486 ngx_http_file_cache_t *cache;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	487
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	488 now = ngx_current_msec;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	489
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	490 timer = c->wait_time - now;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	491
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	492 if ((ngx_msec_int_t) timer <= 0) {
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	493 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	494 "cache lock timeout");
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	495 c->lock_timeout = 0;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	496 goto wakeup;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	497 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	498
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	499 cache = c->file_cache;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	500 wait = 0;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	501
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	502 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	503
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	504 timer = c->node->lock_time - now;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	505
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	506 if (c->node->updating && (ngx_msec_int_t) timer > 0) {
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	507 wait = 1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	508 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	509
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	510 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	511
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	512 if (wait) {
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	513 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	514 return;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	515 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	516
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	517 wakeup:
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	518
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	519 c->waiting = 0;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	520 r->main->blocked--;
5929 f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	521 r->write_event_handler(r);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	522 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	523
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	524
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	525 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	526 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	527 {
6243 4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	528 u_char *p;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	529 time_t now;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	530 ssize_t n;
6243 4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	531 ngx_str_t *key;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	532 ngx_int_t rc;
6243 4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	533 ngx_uint_t i;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	534 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	535 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	536
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	537 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	538
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	539 if (n < 0) {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	540 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	541 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	542
3369 479468a7d982 fix handling cached HTTP/0.9 response Igor Sysoev <igor@sysoev.ru> parents: 3294 diff changeset	543 if ((size_t) n < c->header_start) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	544 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	545 "cache file \"%s\" is too small", c->file.name.data);
3971 44f4fc874b2f do not close connection if cache file is too small: replace it with valid one Igor Sysoev <igor@sysoev.ru> parents: 3970 diff changeset	546 return NGX_DECLINED;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	547 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	548
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	549 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	550
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	551 if (h->version != NGX_HTTP_CACHE_VERSION) {
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	552 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	553 "cache file \"%s\" version mismatch", c->file.name.data);
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	554 return NGX_DECLINED;
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	555 }
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	556
6860 f18c285c2e59 Win32: fixed some warnings reported by Borland C. Maxim Dounin <mdounin@mdounin.ru> parents: 6795 diff changeset	557 if (h->crc32 != c->crc32 \|\| (size_t) h->header_start != c->header_start) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	558 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	559 "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	560 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	561 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	562
6243 4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	563 p = c->buf->pos + sizeof(ngx_http_file_cache_header_t)
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	564 + sizeof(ngx_http_file_cache_key);
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	565
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	566 key = c->keys.elts;
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	567 for (i = 0; i < c->keys.nelts; i++) {
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	568 if (ngx_memcmp(p, key[i].data, key[i].len) != 0) {
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	569 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	570 "cache file \"%s\" has md5 collision",
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	571 c->file.name.data);
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	572 return NGX_DECLINED;
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	573 }
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	574
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	575 p += key[i].len;
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	576 }
4821fc788c12 Cache: check the whole cache key in addition to hashes. Maxim Dounin <mdounin@mdounin.ru> parents: 6063 diff changeset	577
5359 2fda9065d0f4 Win32: Borland C compatibility fixes. Maxim Dounin <mdounin@mdounin.ru> parents: 5341 diff changeset	578 if ((size_t) h->body_start > c->body_start) {
4339 6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	579 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	580 "cache file \"%s\" has too long header",
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	581 c->file.name.data);
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	582 return NGX_DECLINED;
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	583 }
6f97afc238de Cache: handling of cache files with long headers. Maxim Dounin <mdounin@mdounin.ru> parents: 4338 diff changeset	584
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	585 if (h->vary_len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	586 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	587 "cache file \"%s\" has incorrect vary length",
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	588 c->file.name.data);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	589 return NGX_DECLINED;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	590 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	591
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	592 if (h->vary_len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	593 ngx_http_file_cache_vary(r, h->vary, h->vary_len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	594
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	595 if (ngx_memcmp(c->variant, h->variant, NGX_HTTP_CACHE_KEY_LEN) != 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	596 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	597 "http file cache vary mismatch");
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	598 return ngx_http_file_cache_reopen(r, c);
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	599 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	600 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	601
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	602 c->buf->last += n;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	603
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	604 c->valid_sec = h->valid_sec;
6905 9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	605 c->updating_sec = h->updating_sec;
9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	606 c->error_sec = h->error_sec;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	607 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	608 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	609 c->valid_msec = h->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	610 c->body_start = h->body_start;
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	611 c->etag.len = h->etag_len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	612 c->etag.data = h->etag;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	613
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	614 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	615
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	616 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	617
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	618 if (cache->sh->cold) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	619
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	620 ngx_shmtx_lock(&cache->shpool->mutex);
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	621
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	622 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	623 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	624 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	625 c->node->exists = 1;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	626 c->node->uniq = c->uniq;
4034 e2c075e774b6 Cache size accounting fix: actual cache size on disk was less than Igor Sysoev <igor@sysoev.ru> parents: 4018 diff changeset	627 c->node->fs_size = c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	628
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	629 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	630 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	631
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	632 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	633 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	634
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	635 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	636
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	637 if (c->valid_sec < now) {
6905 9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	638 c->stale_updating = c->valid_sec + c->updating_sec >= now;
9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	639 c->stale_error = c->valid_sec + c->error_sec >= now;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	640
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	641 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	642
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	643 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	644 rc = NGX_HTTP_CACHE_UPDATING;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	645
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	646 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	647 c->node->updating = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	648 c->updating = 1;
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	649 c->lock_time = c->node->lock_time;
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	650 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	651 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	652
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	653 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	654
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	655 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	656 "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	657 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	658
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	659 return rc;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	660 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	661
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	662 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	663 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	664
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	665
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	666 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	667 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	668 {
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	669 #if (NGX_HAVE_FILE_AIO \|\| NGX_THREADS)
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	670 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	671 ngx_http_core_loc_conf_t *clcf;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	672
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	673 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	674 #endif
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	675
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	676 #if (NGX_HAVE_FILE_AIO)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	677
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	678 if (clcf->aio == NGX_HTTP_AIO_ON && ngx_file_aio) {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	679 n = ngx_file_aio_read(&c->file, c->buf->pos, c->body_start, 0, r->pool);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	680
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	681 if (n != NGX_AGAIN) {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	682 c->reading = 0;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	683 return n;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	684 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	685
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	686 c->reading = 1;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	687
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	688 c->file.aio->data = r;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	689 c->file.aio->handler = ngx_http_cache_aio_event_handler;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	690
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	691 r->main->blocked++;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	692 r->aio = 1;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	693
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	694 return NGX_AGAIN;
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	695 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	696
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	697 #endif
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	698
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	699 #if (NGX_THREADS)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	700
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	701 if (clcf->aio == NGX_HTTP_AIO_THREADS) {
6441 9fd738b85fad Threads: task pointer stored in ngx_file_t. Maxim Dounin <mdounin@mdounin.ru> parents: 6243 diff changeset	702 c->file.thread_task = c->thread_task;
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	703 c->file.thread_handler = ngx_http_cache_thread_handler;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	704 c->file.thread_ctx = r;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	705
6441 9fd738b85fad Threads: task pointer stored in ngx_file_t. Maxim Dounin <mdounin@mdounin.ru> parents: 6243 diff changeset	706 n = ngx_thread_read(&c->file, c->buf->pos, c->body_start, 0, r->pool);
9fd738b85fad Threads: task pointer stored in ngx_file_t. Maxim Dounin <mdounin@mdounin.ru> parents: 6243 diff changeset	707
9fd738b85fad Threads: task pointer stored in ngx_file_t. Maxim Dounin <mdounin@mdounin.ru> parents: 6243 diff changeset	708 c->thread_task = c->file.thread_task;
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	709 c->reading = (n == NGX_AGAIN);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	710
3294 04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	711 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	712 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	713
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	714 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	715
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	716 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	717 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	718
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	719
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile", Igor Sysoev <igor@sysoev.ru> parents: 3195 diff changeset	720 #if (NGX_HAVE_FILE_AIO)
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	721
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	722 static void
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	723 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	724 {
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	725 ngx_event_aio_t *aio;
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	726 ngx_connection_t *c;
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	727 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	728
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	729 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	730 r = aio->data;
5928 8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	731 c = r->connection;
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	732
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	733 ngx_http_set_log_request(c->log, r);
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	734
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	735 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
8dfee01ff0bd Upstream: improved subrequest logging. Maxim Dounin <mdounin@mdounin.ru> parents: 5905 diff changeset	736 "http file cache aio: \"%V?%V\"", &r->uri, &r->args);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	737
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	738 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	739 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	740
5929 f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	741 r->write_event_handler(r);
f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	742
f436e9a60b8f Cache: proper wakeup of subrequests. Maxim Dounin <mdounin@mdounin.ru> parents: 5928 diff changeset	743 ngx_http_run_posted_requests(c);
3052 6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	744 }
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	745
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	746 #endif
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	747
6060225e9261 FreeBSD and Linux AIO support Igor Sysoev <igor@sysoev.ru> parents: 3024 diff changeset	748
6063 d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	749 #if (NGX_THREADS)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	750
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	751 static ngx_int_t
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	752 ngx_http_cache_thread_handler(ngx_thread_task_t task, ngx_file_t file)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	753 {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	754 ngx_str_t name;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	755 ngx_thread_pool_t *tp;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	756 ngx_http_request_t *r;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	757 ngx_http_core_loc_conf_t *clcf;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	758
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	759 r = file->thread_ctx;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	760
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	761 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	762 tp = clcf->thread_pool;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	763
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	764 if (tp == NULL) {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	765 if (ngx_http_complex_value(r, clcf->thread_pool_value, &name)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	766 != NGX_OK)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	767 {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	768 return NGX_ERROR;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	769 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	770
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	771 tp = ngx_thread_pool_get((ngx_cycle_t *) ngx_cycle, &name);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	772
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	773 if (tp == NULL) {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	774 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	775 "thread pool \"%V\" not found", &name);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	776 return NGX_ERROR;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	777 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	778 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	779
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	780 task->event.data = r;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	781 task->event.handler = ngx_http_cache_thread_event_handler;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	782
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	783 if (ngx_thread_task_post(tp, task) != NGX_OK) {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	784 return NGX_ERROR;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	785 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	786
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	787 r->main->blocked++;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	788 r->aio = 1;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	789
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	790 return NGX_OK;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	791 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	792
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	793
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	794 static void
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	795 ngx_http_cache_thread_event_handler(ngx_event_t *ev)
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	796 {
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	797 ngx_connection_t *c;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	798 ngx_http_request_t *r;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	799
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	800 r = ev->data;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	801 c = r->connection;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	802
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	803 ngx_http_set_log_request(c->log, r);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	804
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	805 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	806 "http file cache thread: \"%V?%V\"", &r->uri, &r->args);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	807
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	808 r->main->blocked--;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	809 r->aio = 0;
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	810
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	811 r->write_event_handler(r);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	812
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	813 ngx_http_run_posted_requests(c);
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	814 }
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	815
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	816 #endif
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	817
d698c300b9ff Cache: added support for reading of the header in thread pools. Valentin Bartenev <vbart@nginx.com> parents: 6022 diff changeset	818
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	819 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	820 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	821 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	822 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	823 ngx_http_file_cache_node_t *fcn;
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 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	826
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	827 fcn = c->node;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	828
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	829 if (fcn == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	830 fcn = ngx_http_file_cache_lookup(cache, c->key);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	831 }
2592 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 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	834 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	835
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	836 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	837 fcn->uses++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	838 fcn->count++;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	839 }
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	840
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	841 if (fcn->error) {
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 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	844 goto renew;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	845 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	846
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	847 rc = NGX_OK;
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 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	850 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	851
3966 9c425f22ea36 fuse two if's in one condition Igor Sysoev <igor@sysoev.ru> parents: 3965 diff changeset	852 if (fcn->exists \|\| fcn->uses >= c->min_uses) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	853
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	854 c->exists = fcn->exists;
3969 3ea15c6b16da fix r3968 Igor Sysoev <igor@sysoev.ru> parents: 3968 diff changeset	855 if (fcn->body_start) {
3967 83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity Igor Sysoev <igor@sysoev.ru> parents: 3966 diff changeset	856 c->body_start = fcn->body_start;
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity Igor Sysoev <igor@sysoev.ru> parents: 3966 diff changeset	857 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	858
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	859 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	860
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	861 goto done;
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
3966 9c425f22ea36 fuse two if's in one condition Igor Sysoev <igor@sysoev.ru> parents: 3965 diff changeset	864 rc = NGX_AGAIN;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	865
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	866 goto done;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	867 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	868
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	869 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	870 sizeof(ngx_http_file_cache_node_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	871 if (fcn == NULL) {
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	872 ngx_http_file_cache_set_watermark(cache);
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	873
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	874 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	875
2693 197cda0e767e style fix Igor Sysoev <igor@sysoev.ru> parents: 2671 diff changeset	876 (void) ngx_http_file_cache_forced_expire(cache);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	877
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	878 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	879
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	880 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	881 sizeof(ngx_http_file_cache_node_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	882 if (fcn == NULL) {
5822 063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages. Roman Arutyunyan <arut@nginx.com> parents: 5737 diff changeset	883 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages. Roman Arutyunyan <arut@nginx.com> parents: 5737 diff changeset	884 "could not allocate node%s", cache->shpool->log_ctx);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	885 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	886 goto failed;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	887 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	888 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	889
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	890 cache->sh->count++;
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	891
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	892 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	893
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	894 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	895 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	896
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	897 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	898
3724 e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	899 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	900 fcn->count = 1;
e9f0a2497d3c count cache key node usage for cached error statuses Igor Sysoev <igor@sysoev.ru> parents: 3723 diff changeset	901
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	902 renew:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	903
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	904 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	905
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	906 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	907 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	908 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	909 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	910 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	911 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	912 fcn->fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	913
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	914 done:
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 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	917
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	918 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	919
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	920 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	921 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	922 c->node = fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	923
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	924 failed:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	925
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	926 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	927
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	928 return rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	929 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	930
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	931
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	932 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	933 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	934 {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	935 u_char *p;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	936 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	937
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	938 c = r->cache;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	939
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	940 if (c->file.name.len) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	941 return NGX_OK;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	942 }
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	943
3696 29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	944 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	945 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	946
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	947 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	948 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	949 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	950 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	951
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	952 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	953
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	954 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	955 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	956 *p = '\0';
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	957
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	958 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	959
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	960 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	961 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	962
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	963 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	964 }
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	965
29fcf794c082 ngx_http_file_cache_name() Igor Sysoev <igor@sysoev.ru> parents: 3695 diff changeset	966
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	967 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	968 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	969 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	970 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	971 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	972 ngx_rbtree_node_t node, sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	973 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	974
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	975 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	976
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	977 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	978 sentinel = cache->sh->rbtree.sentinel;
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 while (node != sentinel) {
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 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	983 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	984 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	985 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	986
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	987 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	988 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	989 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	990 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	991
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	992 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	993
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	994 fcn = (ngx_http_file_cache_node_t *) node;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	995
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	996 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key,
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	997 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	998
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	999 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	1000 return fcn;
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	1001 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1002
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4474 diff changeset	1003 node = (rc < 0) ? node->left : node->right;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1004 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1005
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1006 /* not found */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1007
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1008 return NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1009 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1010
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1011
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1012 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1013 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	1014 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	1015 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1016 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1017 ngx_http_file_cache_node_t cn, cnt;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1018
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1019 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1020
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1021 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1022
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1023 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1024
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1025 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1026
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1027 p = &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1028
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1029 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1030
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1031 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1032 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1033
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1034 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1035 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	1036 < 0)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1037 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1038 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1039
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1040 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1041 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1042 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1043
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1044 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1045 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1046
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1047 *p = node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1048 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1049 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1050 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1051 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1052 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1053
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1054
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1055 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1056 ngx_http_file_cache_vary(ngx_http_request_t r, u_char vary, size_t len,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1057 u_char *hash)
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1058 {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1059 u_char p, last;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1060 ngx_str_t name;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1061 ngx_md5_t md5;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1062 u_char buf[NGX_HTTP_CACHE_VARY_LEN];
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1063
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1064 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1065 "http file cache vary: \"%*s\"", len, vary);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1066
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1067 ngx_md5_init(&md5);
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1068 ngx_md5_update(&md5, r->cache->main, NGX_HTTP_CACHE_KEY_LEN);
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1069
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1070 ngx_strlow(buf, vary, len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1071
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1072 p = buf;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1073 last = buf + len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1074
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1075 while (p < last) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1076
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1077 while (p < last && (p == ' ' \|\| p == ',')) { p++; }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1078
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1079 name.data = p;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1080
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1081 while (p < last && p != ',' && p != ' ') { p++; }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1082
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1083 name.len = p - name.data;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1084
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1085 if (name.len == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1086 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1087 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1088
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1089 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1090 "http file cache vary: %V", &name);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1091
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1092 ngx_md5_update(&md5, name.data, name.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1093 ngx_md5_update(&md5, (u_char *) ":", sizeof(":") - 1);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1094
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1095 ngx_http_file_cache_vary_header(r, &md5, &name);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1096
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1097 ngx_md5_update(&md5, (u_char *) CRLF, sizeof(CRLF) - 1);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1098 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1099
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1100 ngx_md5_final(hash, &md5);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1101 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1102
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1103
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1104 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1105 ngx_http_file_cache_vary_header(ngx_http_request_t r, ngx_md5_t md5,
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1106 ngx_str_t *name)
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1107 {
5881 ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1108 size_t len;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1109 u_char p, start, *last;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1110 ngx_uint_t i, multiple, normalize;
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1111 ngx_list_part_t *part;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1112 ngx_table_elt_t *header;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1113
5881 ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1114 multiple = 0;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1115 normalize = 0;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1116
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1117 if (name->len == sizeof("Accept-Charset") - 1
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1118 && ngx_strncasecmp(name->data, (u_char *) "Accept-Charset",
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1119 sizeof("Accept-Charset") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1120 {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1121 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1122
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1123 } else if (name->len == sizeof("Accept-Encoding") - 1
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1124 && ngx_strncasecmp(name->data, (u_char *) "Accept-Encoding",
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1125 sizeof("Accept-Encoding") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1126 {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1127 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1128
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1129 } else if (name->len == sizeof("Accept-Language") - 1
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1130 && ngx_strncasecmp(name->data, (u_char *) "Accept-Language",
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1131 sizeof("Accept-Language") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1132 {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1133 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1134 }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1135
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1136 part = &r->headers_in.headers.part;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1137 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1138
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1139 for (i = 0; /* void */ ; i++) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1140
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1141 if (i >= part->nelts) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1142 if (part->next == NULL) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1143 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1144 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1145
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1146 part = part->next;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1147 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1148 i = 0;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1149 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1150
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1151 if (header[i].hash == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1152 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1153 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1154
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1155 if (header[i].key.len != name->len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1156 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1157 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1158
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1159 if (ngx_strncasecmp(header[i].key.data, name->data, name->len) != 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1160 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1161 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1162
5881 ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1163 if (!normalize) {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1164
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1165 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1166 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1167 }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1168
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1169 ngx_md5_update(md5, header[i].value.data, header[i].value.len);
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1170
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1171 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1172
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1173 continue;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1174 }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1175
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1176 /* normalize spaces */
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1177
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1178 p = header[i].value.data;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1179 last = p + header[i].value.len;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1180
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1181 while (p < last) {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1182
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1183 while (p < last && (p == ' ' \|\| p == ',')) { p++; }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1184
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1185 start = p;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1186
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1187 while (p < last && p != ',' && p != ' ') { p++; }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1188
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1189 len = p - start;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1190
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1191 if (len == 0) {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1192 break;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1193 }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1194
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1195 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1196 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1197 }
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1198
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1199 ngx_md5_update(md5, start, len);
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1200
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1201 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers. Maxim Dounin <mdounin@mdounin.ru> parents: 5880 diff changeset	1202 }
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1203 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1204 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1205
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1206
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1207 static ngx_int_t
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1208 ngx_http_file_cache_reopen(ngx_http_request_t r, ngx_http_cache_t c)
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1209 {
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1210 ngx_http_file_cache_t *cache;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1211
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1212 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1213 "http file cache reopen");
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1214
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1215 if (c->secondary) {
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1216 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1217 "cache file \"%s\" has incorrect vary hash",
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1218 c->file.name.data);
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1219 return NGX_DECLINED;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1220 }
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1221
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1222 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1223
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1224 ngx_shmtx_lock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1225
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1226 c->node->count--;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1227 c->node = NULL;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1228
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1229 ngx_shmtx_unlock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1230
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1231 c->secondary = 1;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1232 c->file.name.len = 0;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1233 c->body_start = c->buf->end - c->buf->start;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1234
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1235 ngx_memcpy(c->key, c->variant, NGX_HTTP_CACHE_KEY_LEN);
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1236
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1237 return ngx_http_file_cache_open(r);
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1238 }
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1239
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1240
5959 f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1241 ngx_int_t
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1242 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	1243 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1244 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	1245
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1246 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1247 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1248 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1249 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1250
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1251 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	1252 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1253
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1254 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1255
5245 711fa02afae8 Valgrind: supressed complaints about uninitialized bytes. Maxim Dounin <mdounin@mdounin.ru> parents: 5077 diff changeset	1256 ngx_memzero(h, sizeof(ngx_http_file_cache_header_t));
711fa02afae8 Valgrind: supressed complaints about uninitialized bytes. Maxim Dounin <mdounin@mdounin.ru> parents: 5077 diff changeset	1257
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1258 h->version = NGX_HTTP_CACHE_VERSION;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1259 h->valid_sec = c->valid_sec;
6905 9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	1260 h->updating_sec = c->updating_sec;
9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	1261 h->error_sec = c->error_sec;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1262 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1263 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1264 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1265 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1266 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1267 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1268
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1269 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1270 h->etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1271 ngx_memcpy(h->etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1272 }
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1273
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1274 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1275 if (c->vary.len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1276 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1277 c->vary.len = NGX_HTTP_CACHE_VARY_LEN;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1278 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1279
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1280 h->vary_len = (u_char) c->vary.len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1281 ngx_memcpy(h->vary, c->vary.data, c->vary.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1282
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1283 ngx_http_file_cache_vary(r, c->vary.data, c->vary.len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1284 ngx_memcpy(h->variant, c->variant, NGX_HTTP_CACHE_KEY_LEN);
5959 f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1285 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1286
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1287 if (ngx_http_file_cache_update_variant(r, c) != NGX_OK) {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1288 return NGX_ERROR;
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1289 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1290
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1291 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1292
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1293 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	1294
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1295 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1296 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1297 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	1298 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1299
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1300 *p = LF;
5959 f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1301
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1302 return NGX_OK;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1303 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1304
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1305
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1306 static ngx_int_t
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1307 ngx_http_file_cache_update_variant(ngx_http_request_t r, ngx_http_cache_t c)
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1308 {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1309 ngx_http_file_cache_t *cache;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1310
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1311 if (!c->secondary) {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1312 return NGX_OK;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1313 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1314
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1315 if (c->vary.len
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1316 && ngx_memcmp(c->variant, c->key, NGX_HTTP_CACHE_KEY_LEN) == 0)
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1317 {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1318 return NGX_OK;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1319 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1320
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1321 /*
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1322 * if the variant hash doesn't match one we used as a secondary
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1323 * cache key, switch back to the original key
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1324 */
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1325
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1326 cache = c->file_cache;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1327
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1328 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1329 "http file cache main key");
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1330
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1331 ngx_shmtx_lock(&cache->shpool->mutex);
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1332
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1333 c->node->count--;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1334 c->node->updating = 0;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1335 c->node = NULL;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1336
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1337 ngx_shmtx_unlock(&cache->shpool->mutex);
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1338
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1339 c->file.name.len = 0;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1340
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1341 ngx_memcpy(c->key, c->main, NGX_HTTP_CACHE_KEY_LEN);
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1342
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1343 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1344 return NGX_ERROR;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1345 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1346
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1347 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1348 return NGX_ERROR;
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1349 }
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1350
f7584d7c0ccb Cache: update variant while setting header. Valentin Bartenev <vbart@nginx.com> parents: 5951 diff changeset	1351 return NGX_OK;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1352 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1353
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1354
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1355 void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1356 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	1357 {
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1358 off_t fs_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1359 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1360 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1361 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1362 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1363 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1364 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1365
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1366 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1367
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1368 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1369 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1370 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1371
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1372 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	1373 "http file cache update");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1374
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1375 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	1376
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1377 c->updated = 1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1378 c->updating = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1379
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1380 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	1381 fs_size = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1382
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1383 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	1384 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1385 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1386
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1387 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1388 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1389 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1390 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1391 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1392 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1393
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1394 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	1395
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1396 if (rc == NGX_OK) {
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 (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	1399 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	1400 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	1401
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1402 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1403
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1404 } else {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1405 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	1406 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	1407 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1408 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1409
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1410 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1411
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1412 c->node->count--;
6539 d94f57990492 Cache: fixed updating bypassed cached errors (ticket #827). Maxim Dounin <mdounin@mdounin.ru> parents: 6478 diff changeset	1413 c->node->error = 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1414 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1415 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1416
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	1417 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	1418 c->node->fs_size = fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1419
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1420 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1421 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1422 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1423
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	1424 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	1425
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1426 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1427 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1428
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1429
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1430 void
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1431 ngx_http_file_cache_update_header(ngx_http_request_t *r)
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1432 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1433 ssize_t n;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1434 ngx_err_t err;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1435 ngx_file_t file;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1436 ngx_file_info_t fi;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1437 ngx_http_cache_t *c;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1438 ngx_http_file_cache_header_t h;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1439
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1440 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1441 "http file cache update header");
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1442
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1443 c = r->cache;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1444
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1445 ngx_memzero(&file, sizeof(ngx_file_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1446
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1447 file.name = c->file.name;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1448 file.log = r->connection->log;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1449 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1450
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1451 if (file.fd == NGX_INVALID_FILE) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1452 err = ngx_errno;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1453
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1454 /* cache file may have been deleted */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1455
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1456 if (err == NGX_ENOENT) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1457 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1458 "http file cache \"%s\" not found",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1459 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1460 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1461 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1462
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1463 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1464 ngx_open_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1465 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1466 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1467
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1468 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1469 * make sure cache file wasn't replaced;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1470 * if it was, do nothing
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1471 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1472
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1473 if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1474 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1475 ngx_fd_info_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1476 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1477 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1478
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1479 if (c->uniq != ngx_file_uniq(&fi)
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1480 \|\| c->length != ngx_file_size(&fi))
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1481 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1482 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1483 "http file cache \"%s\" changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1484 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1485 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1486 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1487
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1488 n = ngx_read_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1489 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1490
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1491 if (n == NGX_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1492 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1493 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1494
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1495 if ((size_t) n != sizeof(ngx_http_file_cache_header_t)) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1496 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1497 ngx_read_file_n " read only %z of %z from \"%s\"",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1498 n, sizeof(ngx_http_file_cache_header_t), file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1499 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1500 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1501
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1502 if (h.version != NGX_HTTP_CACHE_VERSION
2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1503 \|\| h.last_modified != c->last_modified
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1504 \|\| h.crc32 != c->crc32
6860 f18c285c2e59 Win32: fixed some warnings reported by Borland C. Maxim Dounin <mdounin@mdounin.ru> parents: 6795 diff changeset	1505 \|\| (size_t) h.header_start != c->header_start
f18c285c2e59 Win32: fixed some warnings reported by Borland C. Maxim Dounin <mdounin@mdounin.ru> parents: 6795 diff changeset	1506 \|\| (size_t) h.body_start != c->body_start)
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1507 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1508 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1509 "http file cache \"%s\" content changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1510 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1511 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1512 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1513
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1514 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1515 * update cache file header with new data,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1516 * notably h.valid_sec and h.date
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1517 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1518
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1519 ngx_memzero(&h, sizeof(ngx_http_file_cache_header_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1520
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5726 diff changeset	1521 h.version = NGX_HTTP_CACHE_VERSION;
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1522 h.valid_sec = c->valid_sec;
6905 9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	1523 h.updating_sec = c->updating_sec;
9a9e13686869 Cache: support for stale-while-revalidate and stale-if-error. Roman Arutyunyan <arut@nginx.com> parents: 6860 diff changeset	1524 h.error_sec = c->error_sec;
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1525 h.last_modified = c->last_modified;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1526 h.date = c->date;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1527 h.crc32 = c->crc32;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1528 h.valid_msec = (u_short) c->valid_msec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1529 h.header_start = (u_short) c->header_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1530 h.body_start = (u_short) c->body_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1531
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1532 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1533 h.etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1534 ngx_memcpy(h.etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1535 }
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	1536
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1537 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1538 if (c->vary.len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1539 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1540 c->vary.len = NGX_HTTP_CACHE_VARY_LEN;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1541 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1542
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1543 h.vary_len = (u_char) c->vary.len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1544 ngx_memcpy(h.vary, c->vary.data, c->vary.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1545
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1546 ngx_http_file_cache_vary(r, c->vary.data, c->vary.len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1547 ngx_memcpy(h.variant, c->variant, NGX_HTTP_CACHE_KEY_LEN);
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1548 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5822 diff changeset	1549
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1550 (void) ngx_write_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1551 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1552
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1553 done:
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1554
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1555 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1556 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1557 ngx_close_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1558 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1559 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1560
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 5359 diff changeset	1561
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1562 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1563 ngx_http_cache_send(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1564 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1565 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1566 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1567 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1568 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1569
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1570 c = r->cache;
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 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965 90b0487fba44 style fix Igor Sysoev <igor@sysoev.ru> parents: 3942 diff changeset	1573 "http file cache send: %s", c->file.name.data);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1574
4150 b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1575 if (r != r->main && c->length - c->body_start == 0) {
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1576 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1577 }
b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1578
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1579 /* 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	1580
6973 99934aade555 Use ngx_calloc_buf() where appropriate. Ruslan Ermilov <ru@nginx.com> parents: 6906 diff changeset	1581 b = ngx_calloc_buf(r->pool);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1582 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1583 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1586 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	1587 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1588 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1589 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1590
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1591 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1592
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1593 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	1594 return rc;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1597 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1598 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1599
4150 b9ee14871bf1 Cache: fix for sending of empty responses. Maxim Dounin <mdounin@mdounin.ru> parents: 4034 diff changeset	1600 b->in_file = (c->length - c->body_start) ? 1: 0;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1601 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1602 b->last_in_chain = 1;
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 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1605 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1606 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1607
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1608 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1609 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1610
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1611 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1612 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1613
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 void
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1616 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	1617 {
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1618 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	1619 ngx_http_file_cache_node_t *fcn;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1620
3917 2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different, Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	1621 if (c->updated \|\| c->node == NULL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1622 return;
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1625 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1626
3713 f0b62d1ac7af move debug logging inside ngx_http_file_cache_free() Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	1627 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	1628 "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	1629
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1630 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1631
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1632 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	1633 fcn->count--;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1634
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5898 diff changeset	1635 if (c->updating && fcn->lock_time == c->lock_time) {
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1636 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1637 }
2592 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 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	1640 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	1641
3743 c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1642 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1643 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	1644 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	1645 }
c469ffeab569 error status codes could be cached for next request only, Igor Sysoev <igor@sysoev.ru> parents: 3732 diff changeset	1646
3723 14ad3210fc73 do not free unused cache node if cache min_uses > 1, Igor Sysoev <igor@sysoev.ru> parents: 3713 diff changeset	1647 } 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	1648 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	1649 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	1650 ngx_slab_free_locked(cache->shpool, fcn);
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1651 cache->sh->count--;
3694 dfb17155eca9 delete empty cache zone node if we could not get response to cache Igor Sysoev <igor@sysoev.ru> parents: 3526 diff changeset	1652 c->node = NULL;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1653 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1654
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1655 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1656
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1657 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1658 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1659
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1660 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1661 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	1662 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	1663 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1664 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1665
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1666 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	1667 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	1668 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1669 tf->file.name.data);
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 }
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1673
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1674 if (c->wait_event.timer_set) {
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1675 ngx_del_timer(&c->wait_event);
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 4340 diff changeset	1676 }
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
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1679
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1680 static void
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1681 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1682 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1683 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1684
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1685 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1686 return;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1687 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1688
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1689 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	1690 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1691
6906 1aeaae6e9446 Upstream: proxy_cache_background_update and friends. Roman Arutyunyan <arut@nginx.com> parents: 6905 diff changeset	1692 if (c->updating && !c->background) {
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1693 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	1694 "stalled cache updating, error:%ui", c->error);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1695 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1696
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3710 diff changeset	1697 ngx_http_file_cache_free(c, NULL);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1698 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1699
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1700
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1701 static time_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1702 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	1703 {
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1704 u_char name, p;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1705 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1706 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1707 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1708 ngx_path_t *path;
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1709 ngx_queue_t q, sentinel;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1710 ngx_http_file_cache_node_t *fcn;
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1711 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1712
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1713 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	1714 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1715
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1716 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1717 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	1718
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1719 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	1720 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1721 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1722 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1723
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1724 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	1725
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1726 wait = 10;
3728 a29bb11f8c80 change logic slightly Igor Sysoev <igor@sysoev.ru> parents: 3727 diff changeset	1727 tries = 20;
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1728 sentinel = NULL;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1729
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1730 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1731
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1732 for ( ;; ) {
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1733 if (ngx_queue_empty(&cache->sh->queue)) {
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1734 break;
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1735 }
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1736
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1737 q = ngx_queue_last(&cache->sh->queue);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1738
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1739 if (q == sentinel) {
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1740 break;
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1741 }
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1742
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1743 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	1744
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1745 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	1746 "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	1747 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1748 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	1749
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1750 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1751 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	1752 wait = 0;
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1753 break;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1754 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1755
7002 ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1756 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1757 sizeof(ngx_rbtree_key_t));
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1758 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1759 (void) ngx_hex_dump(p, fcn->key, len);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1760
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1761 /*
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1762 * abnormally exited workers may leave locked cache entries,
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1763 * and although it may be safe to remove them completely,
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1764 * we prefer to just move them to the top of the inactive queue
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1765 */
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1766
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1767 ngx_queue_remove(q);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1768 fcn->expire = ngx_time() + cache->inactive;
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1769 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1770
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1771 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1772 "ignore long locked inactive cache entry %*s, count:%d",
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1773 (size_t) 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1774
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1775 if (sentinel == NULL) {
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1776 sentinel = q;
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1777 }
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1778
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1779 if (--tries) {
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1780 continue;
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1781 }
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1782
ab199f0eb8e8 Cache: ignore long locked entries during forced expire. Dmitry Volyntsev <xeioex@nginx.com> parents: 6973 diff changeset	1783 wait = 1;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1784 break;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1785 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1786
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1787 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1788
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1789 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1790
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1791 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1792 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1793
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1794
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1795 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1796 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	1797 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1798 u_char name, p;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1799 size_t len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1800 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1801 ngx_path_t *path;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1802 ngx_msec_t elapsed;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1803 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1804 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1805 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1806
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1807 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	1808 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1809
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1810 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1811 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	1812
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1813 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	1814 if (name == NULL) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1815 return 10;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1816 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1817
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1818 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	1819
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1820 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1821
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1822 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1823
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1824 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1825
5679 5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1826 if (ngx_quit \|\| ngx_terminate) {
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1827 wait = 1;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1828 break;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1829 }
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire(). Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	1830
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1831 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	1832 wait = 10;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1833 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1834 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1835
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1836 q = ngx_queue_last(&cache->sh->queue);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1837
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1838 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	1839
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1840 wait = fcn->expire - now;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1841
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1842 if (wait > 0) {
2694 49a1382b249b set cache manager maximum sleep time to 10s Igor Sysoev <igor@sysoev.ru> parents: 2693 diff changeset	1843 wait = wait > 10 ? 10 : wait;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1844 break;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1845 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1846
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1847 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	1848 "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	1849 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1850 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	1851
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1852 if (fcn->count == 0) {
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1853 ngx_http_file_cache_delete(cache, q, name);
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1854 goto next;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1855 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1856
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1857 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	1858 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node Igor Sysoev <igor@sysoev.ru> parents: 3917 diff changeset	1859 break;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1860 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1861
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1862 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1863 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1864 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1865 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1866
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1867 /*
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1868 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1869 * and although it may be safe to remove them completely,
4340 4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1870 * we prefer to just move them to the top of the inactive queue
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1871 */
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1872
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1873 ngx_queue_remove(q);
4340 4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1874 fcn->expire = ngx_time() + cache->inactive;
4533d7684e14 Cache: only complain on long locked entries. Maxim Dounin <mdounin@mdounin.ru> parents: 4339 diff changeset	1875 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
3727 fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1876
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1877 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order Igor Sysoev <igor@sysoev.ru> parents: 3726 diff changeset	1878 "ignore long locked inactive cache entry %*s, count:%d",
6478 3ef7bb882ad4 Fixed logging with variable field width. Sergey Kandaurov <pluknet@nginx.com> parents: 6450 diff changeset	1879 (size_t) 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1880
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1881 next:
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1882
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1883 if (++cache->files >= cache->manager_files) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1884 wait = 0;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1885 break;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1886 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1887
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1888 ngx_time_update();
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1889
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1890 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1891
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1892 if (elapsed >= cache->manager_threshold) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1893 wait = 0;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1894 break;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1895 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1896 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1897
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1898 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1899
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1900 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1901
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1902 return wait;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1903 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1904
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1905
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1906 static void
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1907 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	1908 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1909 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1910 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1911 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1912 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1913 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1914
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1915 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	1916
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1917 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	1918 cache->sh->size -= fcn->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1919
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1920 path = cache->path;
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1921 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	1922 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	1923 sizeof(ngx_rbtree_key_t));
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1924 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	1925 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	1926 *p = '\0';
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1927
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1928 fcn->count++;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1929 fcn->deleting = 1;
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1930 ngx_shmtx_unlock(&cache->shpool->mutex);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1931
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1932 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	1933 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	1934
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1935 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	1936 "http file cache expire: \"%s\"", name);
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1937
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1938 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	1939 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	1940 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	1941 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1942
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1943 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	1944 fcn->count--;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3744 diff changeset	1945 fcn->deleting = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1946 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1947
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1948 if (fcn->count == 0) {
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1949 ngx_queue_remove(q);
282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1950 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	1951 ngx_slab_free_locked(cache->shpool, fcn);
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1952 cache->sh->count--;
3726 282ddd49f925 ) delete cache key node after a cache file removal Igor Sysoev <igor@sysoev.ru>* parents: 3724 diff changeset	1953 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1954 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1955
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1956
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1957 static ngx_msec_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1958 ngx_http_file_cache_manager(void *data)
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1959 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1960 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1961
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1962 off_t size;
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1963 time_t wait;
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1964 ngx_msec_t elapsed, next;
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1965 ngx_uint_t count, watermark;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1966
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1967 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1968 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1969
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1970 next = (ngx_msec_t) ngx_http_file_cache_expire(cache) * 1000;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1971
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1972 if (next == 0) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1973 next = cache->manager_sleep;
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1974 goto done;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1975 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	1976
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1977 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1978 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1979
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	1980 size = cache->sh->size;
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1981 count = cache->sh->count;
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1982 watermark = cache->sh->watermark;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1983
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1984 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1985
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1986 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1987 "http file cache size: %O c:%ui w:%i",
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1988 size, count, (ngx_int_t) watermark);
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1989
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	1990 if (size < cache->max_size && count < watermark) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1991 break;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	1992 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	1993
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1994 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1995
46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1996 if (wait > 0) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1997 next = (ngx_msec_t) wait * 1000;
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	1998 break;
3885 46938b7418c6 fix CPU hog in cache manager Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	1999 }
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2000
3972 c1a69e03bdf2 rename ngx_http_file_cache_manager_sleep() to ngx_http_file_cache_loader_sleep() Igor Sysoev <igor@sysoev.ru> parents: 3971 diff changeset	2001 if (ngx_quit \|\| ngx_terminate) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2002 break;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2003 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2004
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2005 if (++cache->files >= cache->manager_files) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2006 next = cache->manager_sleep;
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2007 break;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2008 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2009
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2010 ngx_time_update();
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2011
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2012 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2013
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2014 if (elapsed >= cache->manager_threshold) {
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2015 next = cache->manager_sleep;
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2016 break;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2017 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2018 }
6742 3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2019
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2020 done:
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2021
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2022 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2023
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2024 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2025 "http file cache manager: %ui e:%M n:%M",
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2026 cache->files, elapsed, next);
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2027
3fbb3bdff824 Cache: cache manager debugging. Ruslan Ermilov <ru@nginx.com> parents: 6727 diff changeset	2028 return next;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2029 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2030
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2031
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2032 static void
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2033 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2034 {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2035 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2036
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2037 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2038
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2039 if (!cache->sh->cold \|\| cache->sh->loading) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2040 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2041 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2042
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2043 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2044 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2045 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2046
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2047 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2048 "http file cache loader");
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2049
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2050 tree.init_handler = NULL;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2051 tree.file_handler = ngx_http_file_cache_manage_file;
5968 99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2052 tree.pre_tree_handler = ngx_http_file_cache_manage_directory;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2053 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2054 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2055 tree.data = cache;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2056 tree.alloc = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2057 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2058
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2059 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2060 cache->files = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2061
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2062 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	2063 cache->sh->loading = 0;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2064 return;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2065 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2066
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2067 cache->sh->cold = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2068 cache->sh->loading = 0;
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2069
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2070 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2071 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2072 &cache->path->name,
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2073 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2074 cache->bsize);
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2075 }
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2076
8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2077
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2078 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2079 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	2080 {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2081 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2082 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2083
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2084
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2085 static ngx_int_t
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2086 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	2087 {
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2088 ngx_msec_t elapsed;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2089 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2090
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2091 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2092
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2093 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	2094 (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	2095 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2096
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2097 if (++cache->files >= cache->loader_files) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2098 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2099
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2100 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2101 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2102
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2103 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2104
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2105 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2106 "http file cache loader time elapsed: %M", elapsed);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2107
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2108 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2109 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2110 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2111 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2112
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2113 return (ngx_quit \|\| ngx_terminate) ? NGX_ABORT : NGX_OK;
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2114 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2115
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2116
5968 99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2117 static ngx_int_t
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2118 ngx_http_file_cache_manage_directory(ngx_tree_ctx_t ctx, ngx_str_t path)
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2119 {
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2120 if (path->len >= 5
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2121 && ngx_strncmp(path->data + path->len - 5, "/temp", 5) == 0)
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2122 {
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2123 return NGX_DECLINED;
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2124 }
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2125
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2126 return NGX_OK;
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2127 }
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2128
99639bfdfa2a Cache: added temp_path to file cache. Roman Arutyunyan <arut@nginx.com> parents: 5960 diff changeset	2129
4018 5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2130 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2131 ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache)
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2132 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2133 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2134
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2135 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2136
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2137 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975: Igor Sysoev <igor@sysoev.ru> parents: 3974 diff changeset	2138 cache->files = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2139 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2140
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2141
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2142 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2143 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	2144 {
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2145 u_char *p;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2146 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2147 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2148 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2149 ngx_http_file_cache_t *cache;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2150
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2151 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	2152 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2153 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2154
6795 1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2155 /*
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2156 * Temporary files in cache have a suffix consisting of a dot
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2157 * followed by 10 digits.
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2158 */
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2159
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2160 if (name->len >= 2 * NGX_HTTP_CACHE_KEY_LEN + 1 + 10
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2161 && name->data[name->len - 10 - 1] == '.')
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2162 {
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2163 return NGX_OK;
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2164 }
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2165
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2166 if (ctx->size < (off_t) sizeof(ngx_http_file_cache_header_t)) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2167 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	2168 "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	2169 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2170 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2171
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2172 ngx_memzero(&c, sizeof(ngx_http_cache_t));
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	2173 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	2174
3970 2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2175 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader Igor Sysoev <igor@sysoev.ru> parents: 3969 diff changeset	2176 c.fs_size = (ctx->fs_size + cache->bsize - 1) / cache->bsize;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2177
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2178 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	2179
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2180 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	2181 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2182
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2183 if (n == NGX_ERROR) {
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2184 return NGX_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2185 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2186
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2187 p += 2;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2188
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2189 c.key[i] = (u_char) n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2190 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2191
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2192 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	2193 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2194
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2195
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2196 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2197 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	2198 {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2199 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2200
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2201 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2202
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2203 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	2204
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2205 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2206
5726 25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	2207 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked(). Ruslan Ermilov <ru@nginx.com> parents: 5679 diff changeset	2208 sizeof(ngx_http_file_cache_node_t));
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2209 if (fcn == NULL) {
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2210 ngx_http_file_cache_set_watermark(cache);
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2211
6444 043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2212 if (cache->fail_time != ngx_time()) {
043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2213 cache->fail_time = ngx_time();
043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2214 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2215 "could not allocate node%s", cache->shpool->log_ctx);
043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2216 }
043914d19be8 Cache: report error if slab allocator fails during cache loading. Dmitry Volyntsev <xeioex@nginx.com> parents: 6441 diff changeset	2217
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2218 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2219 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2220 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2221
6450 22c32937a41f Cache: fixed slots accounting error introduced in c9d680b00744. Dmitry Volyntsev <xeioex@nginx.com> parents: 6445 diff changeset	2222 cache->sh->count++;
22c32937a41f Cache: fixed slots accounting error introduced in c9d680b00744. Dmitry Volyntsev <xeioex@nginx.com> parents: 6445 diff changeset	2223
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2224 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	2225
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2226 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	2227 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	2228
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	2229 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	2230
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2231 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2232 fcn->exists = 1;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	2233 fcn->fs_size = c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2234
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3885 diff changeset	2235 cache->sh->size += c->fs_size;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2236
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2237 } else {
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2238 ngx_queue_remove(&fcn->queue);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2239 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2240
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2241 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2242
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	2243 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	2244
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2245 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2246
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2247 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2248 }
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2249
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2250
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2251 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2252 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	2253 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2254 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	2255 "http file cache delete: \"%s\"", path->data);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2256
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2257 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2258 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	2259 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2260 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	2261
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2262 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2263 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2264
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2265
6445 c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2266 static void
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2267 ngx_http_file_cache_set_watermark(ngx_http_file_cache_t *cache)
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2268 {
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2269 cache->sh->watermark = cache->sh->count - cache->sh->count / 8;
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2270
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2271 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2272 "http file cache watermark: %ui", cache->sh->watermark);
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2273 }
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2274
c9d680b00744 Cache: added watermark to reduce IO load when keys_zone is full. Dmitry Volyntsev <xeioex@nginx.com> parents: 6444 diff changeset	2275
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2276 time_t
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2277 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	2278 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2279 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2280 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	2281
2626 b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	2282 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	2283 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	2284 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	2285
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2286 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2287 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	2288
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2289 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2290 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	2291 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2292
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2293 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2294 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	2295 }
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2296 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2297
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2298 return 0;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2299 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2300
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2301
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2302 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2303 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	2304 {
5951 610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2305 char *confp = conf;
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2306
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2307 off_t max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2308 u_char last, p;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2309 time_t inactive;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2310 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2311 ngx_str_t s, name, *value;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2312 ngx_int_t loader_files, manager_files;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2313 ngx_msec_t loader_sleep, manager_sleep, loader_threshold,
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2314 manager_threshold;
5960 e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2315 ngx_uint_t i, n, use_temp_path;
5951 610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2316 ngx_array_t *caches;
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2317 ngx_http_file_cache_t cache, *ce;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2318
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2319 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	2320 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2321 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2322 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2323
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2324 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	2325 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2326 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2327 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2328
5960 e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2329 use_temp_path = 1;
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2330
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2331 inactive = 600;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2332
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2333 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2334 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2335 loader_threshold = 200;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2336
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2337 manager_files = 100;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2338 manager_sleep = 50;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2339 manager_threshold = 200;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2340
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2341 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2342 size = 0;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2343 max_size = NGX_MAX_OFF_T_VALUE;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2344
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2345 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2346
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2347 cache->path->name = value[1];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2348
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2349 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	2350 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2351 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2352
5330 314c3d7cc3a5 Backed out f1a91825730a and 7094bd12c1ff. Maxim Dounin <mdounin@mdounin.ru> parents: 5317 diff changeset	2353 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2354 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2355 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2356
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2357 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2358
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2359 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2360
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2361 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2362 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2363
6617 8bf484eef9ab Use NGX_MAX_PATH_LEVEL where appropriate. Ruslan Ermilov <ru@nginx.com> parents: 6539 diff changeset	2364 for (n = 0; n < NGX_MAX_PATH_LEVEL && p < last; n++) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2365
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	2366 if (p > '0' && p < '3') {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2367
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2368 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2369 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2370
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2371 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2372 break;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2373 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2374
6617 8bf484eef9ab Use NGX_MAX_PATH_LEVEL where appropriate. Ruslan Ermilov <ru@nginx.com> parents: 6539 diff changeset	2375 if (*p++ == ':' && n < NGX_MAX_PATH_LEVEL - 1 && p < last) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2376 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2377 }
2671 627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	2378
627dee566f6c fix cache path slot Igor Sysoev <igor@sysoev.ru> parents: 2632 diff changeset	2379 goto invalid_levels;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2380 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2381
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2382 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2383 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2384
6617 8bf484eef9ab Use NGX_MAX_PATH_LEVEL where appropriate. Ruslan Ermilov <ru@nginx.com> parents: 6539 diff changeset	2385 if (cache->path->len < 10 + NGX_MAX_PATH_LEVEL) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2386 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2387 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2388
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2389 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2390
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2391 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2392 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2393 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2394 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2395
5960 e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2396 if (ngx_strncmp(value[i].data, "use_temp_path=", 14) == 0) {
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2397
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2398 if (ngx_strcmp(&value[i].data[14], "on") == 0) {
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2399 use_temp_path = 1;
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2400
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2401 } else if (ngx_strcmp(&value[i].data[14], "off") == 0) {
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2402 use_temp_path = 0;
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2403
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2404 } else {
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2405 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2406 "invalid use_temp_path value \"%V\", "
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2407 "it must be \"on\" or \"off\"",
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2408 &value[i]);
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2409 return NGX_CONF_ERROR;
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2410 }
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2411
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2412 continue;
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2413 }
e9effef98874 Upstream: use_temp_path parameter of proxy_cache_path and friends. Valentin Bartenev <vbart@nginx.com> parents: 5959 diff changeset	2414
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2415 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	2416
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2417 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2418
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2419 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2420
7375 bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2421 if (p == NULL) {
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2422 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2423 "invalid keys zone size \"%V\"", &value[i]);
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2424 return NGX_CONF_ERROR;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2425 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2426
7375 bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2427 name.len = p - name.data;
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2428
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2429 s.data = p + 1;
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2430 s.len = value[i].data + value[i].len - s.data;
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2431
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2432 size = ngx_parse_size(&s);
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2433
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2434 if (size == NGX_ERROR) {
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2435 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2436 "invalid keys zone size \"%V\"", &value[i]);
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2437 return NGX_CONF_ERROR;
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2438 }
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2439
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2440 if (size < (ssize_t) (2 * ngx_pagesize)) {
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2441 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2442 "keys zone \"%V\" is too small", &value[i]);
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2443 return NGX_CONF_ERROR;
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2444 }
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2445
bddacdaaec9e Cache: improved keys zone size error reporting. Maxim Dounin <mdounin@mdounin.ru> parents: 7374 diff changeset	2446 continue;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2447 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2448
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2449 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2450
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2451 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2452 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2453
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2454 inactive = ngx_parse_time(&s, 1);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2455 if (inactive == (time_t) NGX_ERROR) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2456 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2457 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2458 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2459 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2460
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2461 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2462 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2463
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2464 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	2465
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2466 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2467 s.data = value[i].data + 9;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2468
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2469 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2470 if (max_size < 0) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2471 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	2472 "invalid max_size value \"%V\"", &value[i]);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2473 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2474 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2475
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2476 continue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2477 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2478
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2479 if (ngx_strncmp(value[i].data, "loader_files=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2480
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2481 loader_files = ngx_atoi(value[i].data + 13, value[i].len - 13);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2482 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2483 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2484 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2485 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2486 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2487
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2488 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2489 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2490
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2491 if (ngx_strncmp(value[i].data, "loader_sleep=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2492
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2493 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2494 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2495
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2496 loader_sleep = ngx_parse_time(&s, 0);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2497 if (loader_sleep == (ngx_msec_t) NGX_ERROR) {
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2498 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2499 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2500 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2501 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2502
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2503 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2504 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2505
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2506 if (ngx_strncmp(value[i].data, "loader_threshold=", 17) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2507
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2508 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2509 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2510
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2511 loader_threshold = ngx_parse_time(&s, 0);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2512 if (loader_threshold == (ngx_msec_t) NGX_ERROR) {
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2513 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2514 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2515 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2516 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2517
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2518 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2519 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2520
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2521 if (ngx_strncmp(value[i].data, "manager_files=", 14) == 0) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2522
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2523 manager_files = ngx_atoi(value[i].data + 14, value[i].len - 14);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2524 if (manager_files == NGX_ERROR) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2525 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2526 "invalid manager_files value \"%V\"", &value[i]);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2527 return NGX_CONF_ERROR;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2528 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2529
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2530 continue;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2531 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2532
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2533 if (ngx_strncmp(value[i].data, "manager_sleep=", 14) == 0) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2534
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2535 s.len = value[i].len - 14;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2536 s.data = value[i].data + 14;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2537
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2538 manager_sleep = ngx_parse_time(&s, 0);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2539 if (manager_sleep == (ngx_msec_t) NGX_ERROR) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2540 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2541 "invalid manager_sleep value \"%V\"", &value[i]);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2542 return NGX_CONF_ERROR;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2543 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2544
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2545 continue;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2546 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2547
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2548 if (ngx_strncmp(value[i].data, "manager_threshold=", 18) == 0) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2549
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2550 s.len = value[i].len - 18;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2551 s.data = value[i].data + 18;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2552
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2553 manager_threshold = ngx_parse_time(&s, 0);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2554 if (manager_threshold == (ngx_msec_t) NGX_ERROR) {
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2555 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2556 "invalid manager_threshold value \"%V\"", &value[i]);
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2557 return NGX_CONF_ERROR;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2558 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2559
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2560 continue;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2561 }
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2562
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2563 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2564 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2565 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2566 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2567
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2568 if (name.len == 0 \|\| size == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2569 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2570 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2571 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2572 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2573 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2574
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2575 cache->path->manager = ngx_http_file_cache_manager;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 3017 diff changeset	2576 cache->path->loader = ngx_http_file_cache_loader;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2577 cache->path->data = cache;
3973 9d6f21415231 set correct configuration file values while adding path Igor Sysoev <igor@sysoev.ru> parents: 3972 diff changeset	2578 cache->path->conf_file = cf->conf_file->file.name.data;
9d6f21415231 set correct configuration file values while adding path Igor Sysoev <igor@sysoev.ru> parents: 3972 diff changeset	2579 cache->path->line = cf->conf_file->line;
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3973 diff changeset	2580 cache->loader_files = loader_files;
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2581 cache->loader_sleep = loader_sleep;
41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2582 cache->loader_threshold = loader_threshold;
6727 ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2583 cache->manager_files = manager_files;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2584 cache->manager_sleep = manager_sleep;
ca709bca4b77 Cache: cache manager limits. Dmitry Volyntsev <xeioex@nginx.com> parents: 6617 diff changeset	2585 cache->manager_threshold = manager_threshold;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2586
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2587 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2588 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2589 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2590
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2591 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	2592 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2593 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2594 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2595
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2596 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2597 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2598 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2599 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2600 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2601
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2602
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2603 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2604 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2605
6795 1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2606 cache->use_temp_path = use_temp_path;
1a917932db96 Cache: prefix-based temporary files. Maxim Dounin <mdounin@mdounin.ru> parents: 6742 diff changeset	2607
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2608 cache->inactive = inactive;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2611 diff changeset	2609 cache->max_size = max_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2610
5951 610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2611 caches = (ngx_array_t *) (confp + cmd->offset);
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2612
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2613 ce = ngx_array_push(caches);
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2614 if (ce == NULL) {
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2615 return NGX_CONF_ERROR;
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2616 }
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2617
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2618 *ce = cache;
610832763648 Upstream: added variables support to proxy_cache and friends. Valentin Bartenev <vbart@nginx.com> parents: 5935 diff changeset	2619
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2620 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2621 }
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	2622
ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	2623
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2624 char *
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2625 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	2626 void *conf)
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2627 {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2628 char *p = conf;
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2629
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2630 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2631 ngx_str_t *value;
7267 7c614ef3c6ea Cache: fixed cache valid slot to reject incorrect statuses. Maxim Dounin <mdounin@mdounin.ru> parents: 7075 diff changeset	2632 ngx_int_t status;
7c614ef3c6ea Cache: fixed cache valid slot to reject incorrect statuses. Maxim Dounin <mdounin@mdounin.ru> parents: 7075 diff changeset	2633 ngx_uint_t i, n;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2634 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2635 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2636 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	2637
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2638 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	2639
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2640 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2641 *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	2642 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2643 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2644 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2645 }
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2646
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2647 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2648 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	2649
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2650 valid = ngx_parse_time(&value[n], 1);
4474 41f640a693de Time parsing cleanup. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	2651 if (valid == (time_t) NGX_ERROR) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2652 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2653 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2654 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	2655 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2656
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2657 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2658
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2659 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2660 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2661 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2662 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2663 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2664
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2665 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2666 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2667 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2668
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2669 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	2670 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2671
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2672 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2673
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2674 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2675
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2676 status = 0;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2677
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2678 } else {
202 74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2679
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2680 status = ngx_atoi(value[i].data, value[i].len);
7359 b5ea47df9bee Cache: status must be less then 599 in _cache_valid directives. Gena Makhomed <gmm@csdoc.com>* parents: 7267 diff changeset	2681 if (status < 100 \|\| status > 599) {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2682 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2683 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2684 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2685 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2686 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2687
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2688 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2689 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2690 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2691 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2692
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2693 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2694 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2695 }
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2696
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	2697 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	2698 }

Mercurial > hg > nginx

annotate src/http/ngx_http_file_cache.c @ 7660:d33e17499088