nginx: src/http/ngx_http_cache.h annotate

annotate src/http/ngx_http_cache.h @ 5905:2f7e557eab5b

Cache: proxy_cache_lock_age and friends. Once this age is reached, the cache lock is discarded and another request can acquire the lock. Requests which failed to acquire the lock are not allowed to cache the response.

author	Roman Arutyunyan <arut@nginx.com>
date	Tue, 18 Nov 2014 20:41:12 +0300
parents	78c49e243848
children	f7584d7c0ccb

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: 343 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: 343 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: 4385 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: 343 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: 343 diff changeset	6
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	7
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #ifndef _NGX_HTTP_CACHE_H_INCLUDED_
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #define _NGX_HTTP_CACHE_H_INCLUDED_
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13 #include <ngx_core.h>
173 4fb2a2cff023 nginx-0.0.1-2003-11-04-20:09:19 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	14 #include <ngx_http.h>
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	15
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	16
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2927 diff changeset	17 #define NGX_HTTP_CACHE_MISS 1
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	18 #define NGX_HTTP_CACHE_BYPASS 2
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	19 #define NGX_HTTP_CACHE_EXPIRED 3
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	20 #define NGX_HTTP_CACHE_STALE 4
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	21 #define NGX_HTTP_CACHE_UPDATING 5
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	22 #define NGX_HTTP_CACHE_REVALIDATED 6
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	23 #define NGX_HTTP_CACHE_HIT 7
43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	24 #define NGX_HTTP_CACHE_SCARCE 8
197 0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	25
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	26 #define NGX_HTTP_CACHE_KEY_LEN 16
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	27 #define NGX_HTTP_CACHE_ETAG_LEN 42
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	28 #define NGX_HTTP_CACHE_VARY_LEN 42
195 8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	29
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	30 #define NGX_HTTP_CACHE_VERSION 3
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	31
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	32
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	33 typedef struct {
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	34 ngx_uint_t status;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	35 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	36 } ngx_http_cache_valid_t;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	37
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	38
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	39 typedef struct {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	40 ngx_rbtree_node_t node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	41 ngx_queue_t queue;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	42
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	43 u_char key[NGX_HTTP_CACHE_KEY_LEN
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	44 - sizeof(ngx_rbtree_key_t)];
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	45
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	46 unsigned count:20;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	47 unsigned uses:10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	48 unsigned valid_msec:10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	49 unsigned error:10;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	50 unsigned exists:1;
2927 55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating Igor Sysoev <igor@sysoev.ru> parents: 2926 diff changeset	51 unsigned updating:1;
3755 76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	52 unsigned deleting:1;
76e3a93821b1 fix race condition if during reconfiguration two cache managers try Igor Sysoev <igor@sysoev.ru> parents: 3711 diff changeset	53 /* 11 unused bits */
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	54
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	55 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	56 time_t expire;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	57 time_t valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	58 size_t body_start;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	59 off_t fs_size;
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5880 diff changeset	60 ngx_msec_t lock_time;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	61 } ngx_http_file_cache_node_t;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	62
469 2ff194b74f1e nginx-0.1.9-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	63
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	64 struct ngx_http_cache_s {
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	65 ngx_file_t file;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	66 ngx_array_t keys;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	67 uint32_t crc32;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	68 u_char key[NGX_HTTP_CACHE_KEY_LEN];
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	69 u_char main[NGX_HTTP_CACHE_KEY_LEN];
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	70
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	71 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	72 time_t valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	73 time_t last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	74 time_t date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	75
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	76 ngx_str_t etag;
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	77 ngx_str_t vary;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	78 u_char variant[NGX_HTTP_CACHE_KEY_LEN];
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	79
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	80 size_t header_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	81 size_t body_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	82 off_t length;
3899 e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix Igor Sysoev <igor@sysoev.ru> parents: 3755 diff changeset	83 off_t fs_size;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	84
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	85 ngx_uint_t min_uses;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	86 ngx_uint_t error;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	87 ngx_uint_t valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	88
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	89 ngx_buf_t *buf;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	90
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	91 ngx_http_file_cache_t *file_cache;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	92 ngx_http_file_cache_node_t *node;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	93
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	94 ngx_msec_t lock_timeout;
5905 2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5880 diff changeset	95 ngx_msec_t lock_age;
2f7e557eab5b Cache: proxy_cache_lock_age and friends. Roman Arutyunyan <arut@nginx.com> parents: 5880 diff changeset	96 ngx_msec_t lock_time;
4385 70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	97 ngx_msec_t wait_time;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	98
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	99 ngx_event_t wait_event;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	100
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	101 unsigned lock:1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	102 unsigned waiting:1;
70ba81827472 Cache locks initial implementation. Maxim Dounin <mdounin@mdounin.ru> parents: 3974 diff changeset	103
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	104 unsigned updated:1;
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3699 diff changeset	105 unsigned updating:1;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	106 unsigned exists:1;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	107 unsigned temp_file:1;
5879 c525c0454aa5 Cache: c->reading flag introduced. Maxim Dounin <mdounin@mdounin.ru> parents: 5878 diff changeset	108 unsigned reading:1;
5880 78c49e243848 Cache: multiple variants of a resource now can be stored. Maxim Dounin <mdounin@mdounin.ru> parents: 5879 diff changeset	109 unsigned secondary:1;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	110 };
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	111
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	112
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	113 typedef struct {
5736 2fe1967f8854 Cache: version in cache files. Maxim Dounin <mdounin@mdounin.ru> parents: 5441 diff changeset	114 ngx_uint_t version;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	115 time_t valid_sec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	116 time_t last_modified;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	117 time_t date;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	118 uint32_t crc32;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	119 u_short valid_msec;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	120 u_short header_start;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	121 u_short body_start;
5737 44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	122 u_char etag_len;
44b9ab7752e3 Cache: ETag now saved into cache header. Maxim Dounin <mdounin@mdounin.ru> parents: 5736 diff changeset	123 u_char etag[NGX_HTTP_CACHE_ETAG_LEN];
5878 2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	124 u_char vary_len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	125 u_char vary[NGX_HTTP_CACHE_VARY_LEN];
2c89956b6a76 Cache: hash of Vary headers now stored in cache. Maxim Dounin <mdounin@mdounin.ru> parents: 5737 diff changeset	126 u_char variant[NGX_HTTP_CACHE_KEY_LEN];
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	127 } ngx_http_file_cache_header_t;
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 473 diff changeset	128
ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 473 diff changeset	129
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	130 typedef struct {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	131 ngx_rbtree_t rbtree;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	132 ngx_rbtree_node_t sentinel;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	133 ngx_queue_t queue;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	134 ngx_atomic_t cold;
3018 8fc7b94f647b cache loader process Igor Sysoev <igor@sysoev.ru> parents: 2952 diff changeset	135 ngx_atomic_t loading;
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	136 off_t size;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	137 } ngx_http_file_cache_sh_t;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	138
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	139
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	140 struct ngx_http_file_cache_s {
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2616 diff changeset	141 ngx_http_file_cache_sh_t *sh;
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	142 ngx_slab_pool_t *shpool;
469 2ff194b74f1e nginx-0.1.9-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	143
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	144 ngx_path_t *path;
201 267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import Igor Sysoev <igor@sysoev.ru> parents: 200 diff changeset	145
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2592 diff changeset	146 off_t max_size;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2592 diff changeset	147 size_t bsize;
d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2592 diff changeset	148
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	149 time_t inactive;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2592 diff changeset	150
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	151 ngx_uint_t files;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	152 ngx_uint_t loader_files;
2616 d19979e0d980 introduce cache manager instead of cache cleaner Igor Sysoev <igor@sysoev.ru> parents: 2592 diff changeset	153 ngx_msec_t last;
3974 d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	154 ngx_msec_t loader_sleep;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold Igor Sysoev <igor@sysoev.ru> parents: 3899 diff changeset	155 ngx_msec_t loader_threshold;
201 267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import Igor Sysoev <igor@sysoev.ru> parents: 200 diff changeset	156
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	157 ngx_shm_zone_t *shm_zone;
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	158 };
200 abeaebe0a33c nginx-0.0.1-2003-11-28-20:41:47 import Igor Sysoev <igor@sysoev.ru> parents: 199 diff changeset	159
197 0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	160
3698 d11227f0107f rename ngx_http_file_cache_create() to ngx_http_file_cache_new() Igor Sysoev <igor@sysoev.ru> parents: 3697 diff changeset	161 ngx_int_t ngx_http_file_cache_new(ngx_http_request_t *r);
3699 b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass Igor Sysoev <igor@sysoev.ru> parents: 3698 diff changeset	162 ngx_int_t ngx_http_file_cache_create(ngx_http_request_t *r);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	163 void ngx_http_file_cache_create_key(ngx_http_request_t *r);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	164 ngx_int_t ngx_http_file_cache_open(ngx_http_request_t *r);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	165 void 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: 477 diff changeset	166 void ngx_http_file_cache_update(ngx_http_request_t r, ngx_temp_file_t tf);
5441 43ccaf8e8728 Upstream: cache revalidation with conditional requests. Maxim Dounin <mdounin@mdounin.ru> parents: 4412 diff changeset	167 void ngx_http_file_cache_update_header(ngx_http_request_t *r);
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	168 ngx_int_t ngx_http_cache_send(ngx_http_request_t *);
3711 ce6ba077c270 several changes in cache cleanup handling: Igor Sysoev <igor@sysoev.ru> parents: 3699 diff changeset	169 void 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: 477 diff changeset	170 time_t ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status);
199 a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import Igor Sysoev <igor@sysoev.ru> parents: 197 diff changeset	171
2592 3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	172 char ngx_http_file_cache_set_slot(ngx_conf_t cf, ngx_command_t *cmd,
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	173 void *conf);
3a8a53c0c42f a prelimiary proxy cache support Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	174 char 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: 477 diff changeset	175 void *conf);
469 2ff194b74f1e nginx-0.1.9-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	176
3526 62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache Igor Sysoev <igor@sysoev.ru> parents: 3052 diff changeset	177
2952 0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2927 diff changeset	178 extern ngx_str_t ngx_http_cache_status[];
0998606fbfd4 $upstream_cache_status Igor Sysoev <igor@sysoev.ru> parents: 2927 diff changeset	179
199 a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import Igor Sysoev <igor@sysoev.ru> parents: 197 diff changeset	180
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	181 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */

Mercurial > hg > nginx

annotate src/http/ngx_http_cache.h @ 5905:2f7e557eab5b