annotate src/http/ngx_http_file_cache.c @ 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 f0af7ba616d8
children 8dfee01ff0bd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11 #include <ngx_md5.h>
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13
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14 static ngx_int_t ngx_http_file_cache_lock(ngx_http_request_t *r,
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15 ngx_http_cache_t *c);
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16 static void ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev);
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17 static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r,
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18 ngx_http_cache_t *c);
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19 static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r,
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20 ngx_http_cache_t *c);
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21 #if (NGX_HAVE_FILE_AIO)
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22 static void ngx_http_cache_aio_event_handler(ngx_event_t *ev);
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23 #endif
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24 static ngx_int_t ngx_http_file_cache_exists(ngx_http_file_cache_t *cache,
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25 ngx_http_cache_t *c);
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26 static ngx_int_t ngx_http_file_cache_name(ngx_http_request_t *r,
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27 ngx_path_t *path);
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28 static ngx_http_file_cache_node_t *
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29 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key);
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30 static void ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
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31 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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32 static void ngx_http_file_cache_vary(ngx_http_request_t *r, u_char *vary,
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33 size_t len, u_char *hash);
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34 static void ngx_http_file_cache_vary_header(ngx_http_request_t *r,
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35 ngx_md5_t *md5, ngx_str_t *name);
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36 static ngx_int_t ngx_http_file_cache_reopen(ngx_http_request_t *r,
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37 ngx_http_cache_t *c);
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38 static void ngx_http_file_cache_cleanup(void *data);
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39 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache);
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40 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache);
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41 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache,
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42 ngx_queue_t *q, u_char *name);
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43 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
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44 static ngx_int_t ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx,
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45 ngx_str_t *path);
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46 static ngx_int_t ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx,
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47 ngx_str_t *path);
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48 static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx,
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49 ngx_str_t *path);
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50 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache,
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51 ngx_http_cache_t *c);
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52 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx,
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53 ngx_str_t *path);
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55
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56 ngx_str_t ngx_http_cache_status[] = {
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57 ngx_string("MISS"),
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58 ngx_string("BYPASS"),
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59 ngx_string("EXPIRED"),
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60 ngx_string("STALE"),
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61 ngx_string("UPDATING"),
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62 ngx_string("REVALIDATED"),
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63 ngx_string("HIT")
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64 };
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65
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66
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67 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' };
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68
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69
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70 static ngx_int_t
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71 ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
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72 {
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73 ngx_http_file_cache_t *ocache = data;
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74
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75 size_t len;
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76 ngx_uint_t n;
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77 ngx_http_file_cache_t *cache;
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78
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79 cache = shm_zone->data;
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80
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81 if (ocache) {
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82 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) {
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83 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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84 "cache \"%V\" uses the \"%V\" cache path "
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85 "while previously it used the \"%V\" cache path",
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86 &shm_zone->shm.name, &cache->path->name,
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87 &ocache->path->name);
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88
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89 return NGX_ERROR;
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90 }
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91
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92 for (n = 0; n < 3; n++) {
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93 if (cache->path->level[n] != ocache->path->level[n]) {
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94 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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95 "cache \"%V\" had previously different levels",
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96 &shm_zone->shm.name);
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97 return NGX_ERROR;
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98 }
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99 }
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100
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101 cache->sh = ocache->sh;
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102
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103 cache->shpool = ocache->shpool;
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104 cache->bsize = ocache->bsize;
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105
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106 cache->max_size /= cache->bsize;
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107
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108 if (!cache->sh->cold || cache->sh->loading) {
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109 cache->path->loader = NULL;
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110 }
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111
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112 return NGX_OK;
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113 }
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114
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115 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
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116
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117 if (shm_zone->shm.exists) {
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118 cache->sh = cache->shpool->data;
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119 cache->bsize = ngx_fs_bsize(cache->path->name.data);
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120
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121 return NGX_OK;
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122 }
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123
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124 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t));
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diff changeset
125 if (cache->sh == NULL) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
126 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
127 }
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 cache->shpool->data = cache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
130
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
131 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
132 ngx_http_file_cache_rbtree_insert_value);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
133
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
134 ngx_queue_init(&cache->sh->queue);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
135
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
136 cache->sh->cold = 1;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
137 cache->sh->loading = 0;
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
138 cache->sh->size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
139
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
140 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
141
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
142 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
143
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
144 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
145
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
146 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
147 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
148 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
149 }
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
150
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
151 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
152 &shm_zone->shm.name);
2611
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
153
5822
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
154 cache->shpool->log_nomem = 0;
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
155
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
156 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
157 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
158
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
159
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
160 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
161 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
162 {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
163 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
164
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
165 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
166 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
167 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
168 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
169
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
170 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
171 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
172 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
173
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
174 r->cache = c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
175 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
176 c->file.fd = NGX_INVALID_FILE;
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 return NGX_OK;
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
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
181
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
182 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
183 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
184 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
185 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
186 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
187 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
188
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
189 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
190 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
191
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
192 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
193 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
194 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
195 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
196
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
197 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
198 cln->data = c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
199
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
200 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
201 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
202 }
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 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
205 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
206 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
207
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
208 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
209 }
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
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
212 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
213 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
214 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
215 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
216 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
217 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
218 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
219 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
220
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
221 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
222
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
223 len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
224
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
225 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
226 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
227
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
228 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
229 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
230 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
231 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
232
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
233 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
234
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
235 ngx_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
236 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
237 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
238
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
239 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
240 + sizeof(ngx_http_file_cache_key) + len + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
241
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
242 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
243 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
244
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
245 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
246 }
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
249 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
250 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
251 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
252 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
253 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
254 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
255 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
256 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
257 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
258 ngx_http_core_loc_conf_t *clcf;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
259
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
260 c = r->cache;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
261
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
262 if (c->waiting) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
263 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
264 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
265
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
266 if (c->reading) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
267 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
268 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
269
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
270 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
271
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
272 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
273 cln = ngx_pool_cleanup_add(r->pool, 0);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
274 if (cln == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
275 return NGX_ERROR;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
276 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
277
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
278 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
279 cln->data = c;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
280 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
281
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
282 rc = ngx_http_file_cache_exists(cache, c);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
283
2926
80a314b63c56 delete useless r->cache->uses
Igor Sysoev <igor@sysoev.ru>
parents: 2925
diff changeset
284 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
285 "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
286
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
287 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
288 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
289 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
290
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
291 if (rc == NGX_AGAIN) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
292 return NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
293 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
294
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
295 cold = cache->sh->cold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
296
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
297 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
298
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
299 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
300 return c->error;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
303 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
304 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
305 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
306
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
307 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
308
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
309 if (c->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
310
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
311 if (!cold) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
312 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
313 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
314
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
315 test = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
316 rv = NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
317
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
318 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
319 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
320 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
321 rv = NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
324
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
325 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
326 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
327 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
328
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
329 if (!test) {
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
330 goto done;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
333 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
334
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
335 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
336
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
337 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
338 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
339 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
340 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
341 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178
975f0558aab3 read_ahead
Igor Sysoev <igor@sysoev.ru>
parents: 3136
diff changeset
342 of.read_ahead = clcf->read_ahead;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
343
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
344 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
345 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
346 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
347 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
348
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
349 case 0:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
350 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
351
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
352 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
353 case NGX_ENOTDIR:
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
354 goto done;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
355
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
356 default:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
357 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
358 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
359 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
360 }
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
363 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
364 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
365
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
366 c->file.fd = of.fd;
2603
f9bd7999eb08 fix segfault if ngx_read_file() will fail
Igor Sysoev <igor@sysoev.ru>
parents: 2600
diff changeset
367 c->file.log = r->connection->log;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
368 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
369 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
370 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
371
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
372 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
373 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
374 return NGX_ERROR;
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
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
377 return ngx_http_file_cache_read(r, c);
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
378
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
379 done:
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
380
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
381 if (rv == NGX_DECLINED) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
382 return ngx_http_file_cache_lock(r, c);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
383 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
384
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
385 return rv;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
386 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
387
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
388
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
389 static ngx_int_t
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
390 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
391 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
392 ngx_msec_t now, timer;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
393 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
394
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
395 if (!c->lock) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
396 return NGX_DECLINED;
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
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
399 now = ngx_current_msec;
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
400
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
401 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
402
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
403 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
404
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
405 timer = c->node->lock_time - now;
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
406
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
407 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
408 c->node->updating = 1;
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
409 c->node->lock_time = now + c->lock_age;
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
410 c->updating = 1;
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
411 c->lock_time = c->node->lock_time;
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
412 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
413
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
414 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
415
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
416 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
417 "http file cache lock u:%d wt:%M",
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
418 c->updating, c->wait_time);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
419
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
420 if (c->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
421 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
422 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
423
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
424 if (c->lock_timeout == 0) {
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
425 return NGX_HTTP_CACHE_SCARCE;
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
426 }
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
427
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
428 c->waiting = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
429
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
430 if (c->wait_time == 0) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
431 c->wait_time = now + c->lock_timeout;
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 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
434 c->wait_event.data = r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
435 c->wait_event.log = r->connection->log;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
436 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
437
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
438 timer = c->wait_time - now;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
439
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
440 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
441
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
442 r->main->blocked++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
443
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
444 return NGX_AGAIN;
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
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
447
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
448 static void
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
449 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
450 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
451 ngx_uint_t wait;
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
452 ngx_msec_t now, timer;
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
453 ngx_http_cache_t *c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
454 ngx_http_request_t *r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
455 ngx_http_file_cache_t *cache;
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 r = ev->data;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
458 c = r->cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
459
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
460 now = ngx_current_msec;
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
461
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
462 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0,
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
463 "http file cache wait handler wt:%M cur:%M",
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
464 c->wait_time, now);
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
465
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
466 timer = c->wait_time - now;
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
467
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
468 if ((ngx_msec_int_t) timer <= 0) {
5341
654c1631dc86 Cache: lock timeouts are now logged at info level.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5330
diff changeset
469 ngx_log_error(NGX_LOG_INFO, ev->log, 0, "cache lock timeout");
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
470 c->lock_timeout = 0;
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
471 goto wakeup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
472 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
473
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
474 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
475 wait = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
476
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
477 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
478
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
479 timer = c->node->lock_time - now;
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
480
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
481 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
482 wait = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
483 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
484
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
485 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
486
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
487 if (wait) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
488 ngx_add_timer(ev, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
489 return;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
490 }
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 wakeup:
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
493
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
494 c->waiting = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
495 r->main->blocked--;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
496 r->connection->write->handler(r->connection->write);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
497 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
498
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
499
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
500 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
501 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
502 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
503 time_t now;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
504 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
505 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
506 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
507 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
508
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
509 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
510
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
511 if (n < 0) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
512 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
513 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
514
3369
479468a7d982 fix handling cached HTTP/0.9 response
Igor Sysoev <igor@sysoev.ru>
parents: 3294
diff changeset
515 if ((size_t) n < c->header_start) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
516 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
517 "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
518 return NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
519 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
520
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
521 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
522
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
523 if (h->version != NGX_HTTP_CACHE_VERSION) {
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
524 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
525 "cache file \"%s\" version mismatch", c->file.name.data);
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
526 return NGX_DECLINED;
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
527 }
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
528
3460
bbea0b19b608 fix cached FastCGI response with large stderr output before header
Igor Sysoev <igor@sysoev.ru>
parents: 3400
diff changeset
529 if (h->crc32 != c->crc32) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
530 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
531 "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
532 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
533 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
534
5359
2fda9065d0f4 Win32: Borland C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5341
diff changeset
535 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
536 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
537 "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
538 c->file.name.data);
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
539 return NGX_DECLINED;
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
540 }
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
541
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
542 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
543 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
544 "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
545 c->file.name.data);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
546 return NGX_DECLINED;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
547 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
548
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
549 if (h->vary_len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
550 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
551
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
552 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
553 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
554 "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
555 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
556 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
557 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
558
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
559 c->buf->last += n;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
560
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
561 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
562 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
563 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
564 c->valid_msec = h->valid_msec;
3460
bbea0b19b608 fix cached FastCGI response with large stderr output before header
Igor Sysoev <igor@sysoev.ru>
parents: 3400
diff changeset
565 c->header_start = h->header_start;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
566 c->body_start = h->body_start;
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
567 c->etag.len = h->etag_len;
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
568 c->etag.data = h->etag;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
569
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
570 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
571
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
572 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
573
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
574 if (cache->sh->cold) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
575
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
576 ngx_shmtx_lock(&cache->shpool->mutex);
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
577
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
578 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
579 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
580 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
581 c->node->exists = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
582 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
583 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
584
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
585 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
586 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
587
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
588 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
589 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
590
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
591 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
592
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
593 if (c->valid_sec < now) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
594
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
595 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
596
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
597 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
598 rc = NGX_HTTP_CACHE_UPDATING;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
599
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
600 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
601 c->node->updating = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
602 c->updating = 1;
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
603 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
604 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
605 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
606
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
607 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
608
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
609 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
610 "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
611 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
612
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
613 return rc;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
614 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
615
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
616 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
617 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
618
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
619
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
620 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
621 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
622 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
623 #if (NGX_HAVE_FILE_AIO)
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
624 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
625 ngx_http_core_loc_conf_t *clcf;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
626
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
627 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
628 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
629 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
630
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
631 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
632
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
633 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
634 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
635 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
636
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
637 n = ngx_file_aio_read(&c->file, c->buf->pos, c->body_start, 0, r->pool);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
638
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
639 if (n != NGX_AGAIN) {
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
640 c->reading = 0;
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
641 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
642 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
643
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
644 c->reading = 1;
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
645
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
646 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
647 c->file.aio->handler = ngx_http_cache_aio_event_handler;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
648
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
649 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
650 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
651
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
652 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
653
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
654 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
655
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
656 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
657
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
658 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
659 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
660
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
661
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
662 #if (NGX_HAVE_FILE_AIO)
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
663
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
664 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
665 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
666 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
667 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
668 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
669
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
670 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
671 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
672
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
673 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
674 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
675
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
676 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
677 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
678
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
679 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
680
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
681
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
682 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
683 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
684 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
685 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
686 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
687
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
688 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
689
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
690 fcn = c->node;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
691
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
692 if (fcn == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
693 fcn = ngx_http_file_cache_lookup(cache, c->key);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
694 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
695
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
696 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
697 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
698
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
699 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
700 fcn->uses++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
701 fcn->count++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
702 }
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
703
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
704 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
705
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
706 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
707 goto renew;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
708 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
709
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
710 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
711
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
712 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
713 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
714
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
715 if (fcn->exists || fcn->uses >= c->min_uses) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
716
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
717 c->exists = fcn->exists;
3969
3ea15c6b16da fix r3968
Igor Sysoev <igor@sysoev.ru>
parents: 3968
diff changeset
718 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
719 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
720 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
721
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
722 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
723
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
724 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
725 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
726
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
727 rc = NGX_AGAIN;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
728
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
729 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
730 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
731
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
732 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
733 sizeof(ngx_http_file_cache_node_t));
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
734 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
735 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
736
2693
197cda0e767e style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2671
diff changeset
737 (void) ngx_http_file_cache_forced_expire(cache);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
738
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
739 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
740
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
741 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
742 sizeof(ngx_http_file_cache_node_t));
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
743 if (fcn == NULL) {
5822
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
744 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
745 "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
746 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
747 goto failed;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
748 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
749 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
750
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
751 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
752
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
753 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
754 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
755
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
756 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
757
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
758 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
759 fcn->count = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
760
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
761 renew:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
762
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
763 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
764
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
765 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
766 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
767 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
768 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
769 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
770 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
771 fcn->fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
772
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
773 done:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
774
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
775 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
776
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
777 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
778
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
779 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
780 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
781 c->node = fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
782
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
783 failed:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
784
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
785 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
786
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
787 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
788 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
789
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
790
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
791 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
792 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
793 {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
794 u_char *p;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
795 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
796
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
797 c = r->cache;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
798
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
799 if (c->file.name.len) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
800 return NGX_OK;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
801 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
802
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
803 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
804 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
805
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
806 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
807 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
808 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
809 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
810
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
811 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
812
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
813 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
814 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
815 *p = '\0';
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
816
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
817 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
818
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
819 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
820 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
821
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
822 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
823 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
824
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
825
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
826 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
827 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
828 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
829 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
830 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
831 ngx_rbtree_node_t *node, *sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
832 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
833
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
834 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
835
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
836 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
837 sentinel = cache->sh->rbtree.sentinel;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
838
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
839 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
840
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
841 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
842 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
843 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
844 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
845
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
846 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
847 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
848 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
849 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
850
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
851 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
852
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
853 fcn = (ngx_http_file_cache_node_t *) node;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
854
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
855 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
856 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
857
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
858 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
859 return fcn;
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
860 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
861
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
862 node = (rc < 0) ? node->left : node->right;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
863 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
864
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
865 /* not found */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
866
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
867 return NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
868 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
869
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
870
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
871 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
872 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
873 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
874 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
875 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
876 ngx_http_file_cache_node_t *cn, *cnt;
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 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
879
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
880 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
881
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
882 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
883
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
884 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
885
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
886 p = &temp->right;
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 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
889
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
890 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
891 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
892
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
893 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
894 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
895 < 0)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
896 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
897 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
898
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
899 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
900 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
901 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
902
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
903 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
904 }
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 *p = node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
907 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
908 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
909 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
910 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
911 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
912
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
913
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
914 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
915 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
916 u_char *hash)
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
917 {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
918 u_char *p, *last;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
919 ngx_str_t name;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
920 ngx_md5_t md5;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
921 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
922
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
923 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
924 "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
925
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
926 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
927 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
928
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
929 ngx_strlow(buf, vary, len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
930
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
931 p = buf;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
932 last = buf + len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
933
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
934 while (p < last) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
935
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
936 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
937
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
938 name.data = p;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
939
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
940 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
941
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
942 name.len = p - name.data;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
943
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
944 if (name.len == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
945 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
946 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
947
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
948 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
949 "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
950
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
951 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
952 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
953
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
954 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
955
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
956 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
957 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
958
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
959 ngx_md5_final(hash, &md5);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
960 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
961
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
962
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
963 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
964 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
965 ngx_str_t *name)
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
966 {
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
967 size_t len;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
968 u_char *p, *start, *last;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
969 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
970 ngx_list_part_t *part;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
971 ngx_table_elt_t *header;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
972
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
973 multiple = 0;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
974 normalize = 0;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
975
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
976 if (name->len == sizeof("Accept-Charset") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
977 && ngx_strncasecmp(name->data, (u_char *) "Accept-Charset",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
978 sizeof("Accept-Charset") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
979 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
980 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
981
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
982 } else if (name->len == sizeof("Accept-Encoding") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
983 && ngx_strncasecmp(name->data, (u_char *) "Accept-Encoding",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
984 sizeof("Accept-Encoding") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
985 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
986 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
987
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
988 } else if (name->len == sizeof("Accept-Language") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
989 && ngx_strncasecmp(name->data, (u_char *) "Accept-Language",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
990 sizeof("Accept-Language") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
991 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
992 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
993 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
994
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
995 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
996 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
997
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
998 for (i = 0; /* void */ ; i++) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
999
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1000 if (i >= part->nelts) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1001 if (part->next == NULL) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1002 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1003 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1004
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1005 part = part->next;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1006 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1007 i = 0;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1008 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1009
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1010 if (header[i].hash == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1011 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1012 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1013
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1014 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
1015 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1016 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1017
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1018 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
1019 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1020 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1021
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1022 if (!normalize) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1023
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1024 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1025 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1026 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1027
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1028 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
1029
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1030 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1031
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1032 continue;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1033 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1034
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1035 /* normalize spaces */
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1036
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1037 p = header[i].value.data;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1038 last = p + header[i].value.len;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1039
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1040 while (p < last) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1041
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1042 while (p < last && (*p == ' ' || *p == ',')) { p++; }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1043
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1044 start = p;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1045
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1046 while (p < last && *p != ',' && *p != ' ') { p++; }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1047
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1048 len = p - start;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1049
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1050 if (len == 0) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1051 break;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1052 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1053
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1054 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1055 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1056 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1057
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1058 ngx_md5_update(md5, start, len);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1059
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1060 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1061 }
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1062 }
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
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1065
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1066 static ngx_int_t
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1067 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
1068 {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1069 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
1070
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1071 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
1072 "http file cache reopen");
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1073
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1074 if (c->secondary) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1075 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
1076 "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
1077 c->file.name.data);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1078 return NGX_DECLINED;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1079 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1080
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1081 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1082
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1083 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
1084
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1085 c->node->count--;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1086 c->node = NULL;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1087
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1088 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
1089
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1090 c->secondary = 1;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1091 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
1092 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
1093
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1094 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
1095
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1096 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
1097 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1098
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1099
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1100 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1101 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
1102 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1103 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
1104
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1105 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1106 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1107 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1108 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1109
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1110 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
1111 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1112
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1113 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1114
5245
711fa02afae8 Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5077
diff changeset
1115 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
1116
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1117 h->version = NGX_HTTP_CACHE_VERSION;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1118 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1119 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1120 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1121 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1122 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1123 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1124 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1125
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1126 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
1127 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
1128 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
1129 }
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1130
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1131 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1132 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
1133 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1134 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
1135 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1136
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1137 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
1138 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
1139
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1140 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
1141 ngx_memcpy(h->variant, c->variant, 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
1142
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1143 } else {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1144 ngx_memzero(c->variant, 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
1145 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1146
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1147 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1148
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1149 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
1150
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1151 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1152 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1153 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
1154 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1155
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1156 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1157 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1158
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1159
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1160 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1161 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
1162 {
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1163 off_t fs_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1164 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1165 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1166 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1167 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1168 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1169 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1170
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1171 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1172
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1173 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1174 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1175 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1176
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1177 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
1178 "http file cache update");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1179
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1180 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1181
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1182 if (c->secondary
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1183 && ngx_memcmp(c->variant, c->key, NGX_HTTP_CACHE_KEY_LEN) != 0)
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1184 {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1185 /*
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1186 * if the variant hash doesn't match one we used as a secondary
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1187 * cache key, switch back to the original key
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1188 */
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1189
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1190 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1191 "http file cache main key");
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1192
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1193 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
1194
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1195 c->node->count--;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1196 c->node->updating = 0;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1197 c->node = NULL;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1198
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1199 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
1200
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1201 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
1202
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1203 ngx_memcpy(c->key, c->main, 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
1204
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1205 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1206 return;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1207 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1208
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1209 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1210 return;
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 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1213
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1214 c->updated = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1215 c->updating = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1216
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1217 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
1218 fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1219
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1220 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
1221 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1222 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1223
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1224 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1225 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1226 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1227 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1228 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1229 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1230
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1231 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
1232
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1233 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1234
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1235 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
1236 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
1237 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
1238
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1239 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1240
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1241 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1242 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
1243 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
1244 }
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1247 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1248
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1249 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1250 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1251 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1252
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1253 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
1254 c->node->fs_size = fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1255
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1256 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1257 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1258 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1259
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
1260 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
1261
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1262 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1263 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1264
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1265
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1266 void
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1267 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
1268 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1269 ssize_t n;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1270 ngx_err_t err;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1271 ngx_file_t file;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1272 ngx_file_info_t fi;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1273 ngx_http_cache_t *c;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1274 ngx_http_file_cache_header_t h;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1275
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1276 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
1277 "http file cache update header");
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1278
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1279 c = r->cache;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1280
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1281 ngx_memzero(&file, sizeof(ngx_file_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1282
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1283 file.name = c->file.name;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1284 file.log = r->connection->log;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1285 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
1286
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1287 if (file.fd == NGX_INVALID_FILE) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1288 err = ngx_errno;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1289
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1290 /* cache file may have been deleted */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1291
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1292 if (err == NGX_ENOENT) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1293 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
1294 "http file cache \"%s\" not found",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1295 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1296 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1297 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1298
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1299 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
1300 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
1301 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1302 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1303
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1304 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1305 * make sure cache file wasn't replaced;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1306 * if it was, do nothing
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1307 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1308
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1309 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
1310 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
1311 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
1312 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1313 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1314
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1315 if (c->uniq != ngx_file_uniq(&fi)
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1316 || c->length != ngx_file_size(&fi))
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1317 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1318 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
1319 "http file cache \"%s\" changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1320 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1321 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1322 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1323
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1324 n = ngx_read_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1325 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1326
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1327 if (n == NGX_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1328 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1329 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1330
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1331 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
1332 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
1333 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
1334 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
1335 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1336 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1337
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1338 if (h.version != NGX_HTTP_CACHE_VERSION
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1339 || h.last_modified != c->last_modified
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1340 || h.crc32 != c->crc32
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1341 || h.header_start != c->header_start
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1342 || h.body_start != c->body_start)
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1343 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1344 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
1345 "http file cache \"%s\" content changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1346 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1347 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1348 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1349
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1350 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1351 * update cache file header with new data,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1352 * notably h.valid_sec and h.date
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1353 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1354
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1355 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
1356
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1357 h.version = NGX_HTTP_CACHE_VERSION;
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1358 h.valid_sec = c->valid_sec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1359 h.last_modified = c->last_modified;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1360 h.date = c->date;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1361 h.crc32 = c->crc32;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1362 h.valid_msec = (u_short) c->valid_msec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1363 h.header_start = (u_short) c->header_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1364 h.body_start = (u_short) c->body_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1365
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1366 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
1367 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
1368 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
1369 }
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1370
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1371 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1372 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
1373 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1374 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
1375 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1376
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1377 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
1378 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
1379
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1380 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
1381 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
1382 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1383
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1384 (void) ngx_write_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1385 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1386
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1387 done:
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1388
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1389 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
1390 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
1391 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
1392 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1393 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1394
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1395
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1396 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1397 ngx_http_cache_send(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1398 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1399 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1400 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1401 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1402 ngx_http_cache_t *c;
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 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1405
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1406 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965
90b0487fba44 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3942
diff changeset
1407 "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
1408
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1409 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
1410 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1411 }
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1412
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1413 /* 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
1414
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1415 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1416 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1417 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1418 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1419
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1420 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
1421 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1422 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1423 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1424
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1425 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1426
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1427 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
1428 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1429 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1430
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1431 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1432 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1433
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1434 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
1435 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1436 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1437
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1438 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1439 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1440 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1441
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1442 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1443 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1444
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1445 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1446 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1447
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1448
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1449 void
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1450 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
1451 {
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1452 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
1453 ngx_http_file_cache_node_t *fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1454
3917
2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different,
Igor Sysoev <igor@sysoev.ru>
parents: 3899
diff changeset
1455 if (c->updated || c->node == NULL) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1456 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1457 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1458
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1459 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1460
3713
f0b62d1ac7af move debug logging inside ngx_http_file_cache_free()
Igor Sysoev <igor@sysoev.ru>
parents: 3711
diff changeset
1461 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
1462 "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
1463
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1464 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1465
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1466 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
1467 fcn->count--;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1468
5905
2f7e557eab5b Cache: proxy_cache_lock_age and friends.
Roman Arutyunyan <arut@nginx.com>
parents: 5898
diff changeset
1469 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
1470 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1471 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1472
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1473 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
1474 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
1475
3743
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1476 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1477 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
1478 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
1479 }
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1480
3723
14ad3210fc73 do not free unused cache node if cache min_uses > 1,
Igor Sysoev <igor@sysoev.ru>
parents: 3713
diff changeset
1481 } 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
1482 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
1483 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
1484 ngx_slab_free_locked(cache->shpool, fcn);
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1485 c->node = NULL;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1486 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1487
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1488 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1489
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1490 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1491 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1492
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1493 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1494 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
1495 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
1496 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1497 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1498
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1499 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
1500 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
1501 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1502 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1503 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1504 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1505 }
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1506
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1507 if (c->wait_event.timer_set) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1508 ngx_del_timer(&c->wait_event);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1509 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1510 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1511
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1512
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1513 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1514 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1515 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1516 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1517
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1518 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1519 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1520 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1521
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1522 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
1523 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1524
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1525 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1526 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
1527 "stalled cache updating, error:%ui", c->error);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1528 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1529
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1530 ngx_http_file_cache_free(c, NULL);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1531 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1532
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1533
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1534 static time_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1535 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
1536 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1537 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1538 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1539 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1540 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1541 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1542 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1543 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1544
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1545 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
1546 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1547
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1548 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1549 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
1550
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1551 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
1552 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1553 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1554 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1555
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1556 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
1557
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1558 wait = 10;
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1559 tries = 20;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1560
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1561 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1562
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1563 for (q = ngx_queue_last(&cache->sh->queue);
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1564 q != ngx_queue_sentinel(&cache->sh->queue);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1565 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1566 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1567 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
1568
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1569 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
1570 "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
1571 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1572 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
1573
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1574 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1575 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
1576 wait = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1577
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1578 } else {
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1579 if (--tries) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1580 continue;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1581 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1582
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1583 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1584 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1585
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1586 break;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1587 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1588
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1589 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1590
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1591 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1592
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1593 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1594 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1595
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1596
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1597 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1598 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
1599 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1600 u_char *name, *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1601 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1602 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1603 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1604 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1605 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1606 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
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 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
1609 "http file cache expire");
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 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1612 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
1613
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1614 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
1615 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1616 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1617 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1618
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1619 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
1620
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1621 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1622
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1623 ngx_shmtx_lock(&cache->shpool->mutex);
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 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1626
5679
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1627 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
1628 wait = 1;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1629 break;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1630 }
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1631
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1632 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
1633 wait = 10;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1634 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1635 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1636
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1637 q = ngx_queue_last(&cache->sh->queue);
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 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
1640
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1641 wait = fcn->expire - now;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1642
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1643 if (wait > 0) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1644 wait = wait > 10 ? 10 : wait;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1645 break;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1646 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1647
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1648 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
1649 "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
1650 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1651 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
1652
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1653 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1654 ngx_http_file_cache_delete(cache, q, name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1655 continue;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1656 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1657
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1658 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
1659 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node
Igor Sysoev <igor@sysoev.ru>
parents: 3917
diff changeset
1660 break;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1661 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1662
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1663 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1664 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1665 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1666 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1667
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1668 /*
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1669 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1670 * 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
1671 * 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
1672 */
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1673
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1674 ngx_queue_remove(q);
4340
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1675 fcn->expire = ngx_time() + cache->inactive;
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1676 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1677
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1678 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1679 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1680 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1681 }
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_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1684
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1685 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1686
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1687 return wait;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1690
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1691 static void
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1692 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
1693 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1694 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1695 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1696 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1697 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1698 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1699
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1700 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
1701
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1702 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
1703 cache->sh->size -= fcn->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1704
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1705 path = cache->path;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1706 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
1707 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
1708 sizeof(ngx_rbtree_key_t));
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1709 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
1710 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
1711 *p = '\0';
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1712
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1713 fcn->count++;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1714 fcn->deleting = 1;
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1715 ngx_shmtx_unlock(&cache->shpool->mutex);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1716
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1717 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
1718 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
1719
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1720 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
1721 "http file cache expire: \"%s\"", name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1722
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1723 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
1724 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
1725 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
1726 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1727
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1728 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
1729 fcn->count--;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1730 fcn->deleting = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1731 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1732
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1733 if (fcn->count == 0) {
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1734 ngx_queue_remove(q);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1735 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
1736 ngx_slab_free_locked(cache->shpool, fcn);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1737 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1738 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1739
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1740
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1741 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1742 ngx_http_file_cache_manager(void *data)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1743 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1744 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1745
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1746 off_t size;
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1747 time_t next, wait;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1748
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1749 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1750
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1751 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1752 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1753
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1754 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1755 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1756
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1757 size = cache->sh->size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1758
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1759 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1760
2631
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1761 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1762 "http file cache size: %O", size);
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1763
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1764 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1765 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1766 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1767
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1768 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1769
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1770 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1771 return wait;
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1772 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1773
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
1774 if (ngx_quit || ngx_terminate) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1775 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1776 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1777 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1778 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1779
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1780
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1781 static void
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1782 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1783 {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1784 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1785
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1786 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1787
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1788 if (!cache->sh->cold || cache->sh->loading) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1789 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1790 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1791
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1792 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1793 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1794 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1795
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1796 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1797 "http file cache loader");
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1798
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1799 tree.init_handler = NULL;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1800 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1801 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1802 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1803 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1804 tree.data = cache;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1805 tree.alloc = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1806 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1807
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1808 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1809 cache->files = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1810
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1811 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
1812 cache->sh->loading = 0;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1813 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1814 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1815
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1816 cache->sh->cold = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1817 cache->sh->loading = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1818
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1819 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1820 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1821 &cache->path->name,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1822 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1823 cache->bsize);
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1824 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1825
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1826
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1827 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1828 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
1829 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1830 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1831 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1832
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1833
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1834 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1835 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
1836 {
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1837 ngx_msec_t elapsed;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1838 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1839
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1840 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1841
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1842 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
1843 (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
1844 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1845
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1846 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
1847 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
1848
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1849 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1850 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1851
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1852 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
1853
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1854 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
1855 "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
1856
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1857 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1858 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
1859 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1860 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1861
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1862 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
1863 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1864
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1865
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1866 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1867 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
1868 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1869 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1870
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1871 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1872
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1873 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1874 cache->files = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1875 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1876
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1877
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1878 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1879 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
1880 {
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1881 u_char *p;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1882 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1883 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1884 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1885 ngx_http_file_cache_t *cache;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1886
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1887 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
1888 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1889 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1890
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1891 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
1892 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
1893 "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
1894 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1895 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1896
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1897 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
1898 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
1899
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1900 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1901 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
1902
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1903 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
1904
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1905 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
1906 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1907
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1908 if (n == NGX_ERROR) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1909 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1910 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1911
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1912 p += 2;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1913
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1914 c.key[i] = (u_char) n;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1915 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1916
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1917 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
1918 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1919
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1920
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1921 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1922 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
1923 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1924 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1925
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1926 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1927
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1928 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
1929
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1930 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1931
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
1932 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
1933 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
1934 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1935 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1936 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1937 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1938
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1939 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
1940
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1941 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
1942 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
1943
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1944 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
1945
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1946 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1947 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
1948 fcn->fs_size = c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1949
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1950 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1951
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1952 } else {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1953 ngx_queue_remove(&fcn->queue);
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 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1957
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1958 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
1959
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1960 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1961
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1962 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1963 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1964
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1965
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1966 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1967 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
1968 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1969 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
1970 "http file cache delete: \"%s\"", path->data);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1971
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1972 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1973 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
1974 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1975 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1976
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1977 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1978 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1979
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1980
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1981 time_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1982 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
1983 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1984 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1985 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
1986
2626
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1987 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
1988 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1989 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1990
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1991 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1992 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
1993
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1994 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1995 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
1996 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1997
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1998 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1999 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
2000 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2001 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2002
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2003 return 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2004 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2005
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2006
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2007 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2008 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
2009 {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2010 off_t max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2011 u_char *last, *p;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2012 time_t inactive;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2013 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2014 ngx_str_t s, name, *value;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2015 ngx_int_t loader_files;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2016 ngx_msec_t loader_sleep, loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2017 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2018 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2019
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2020 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
2021 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2022 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2023 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2024
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2025 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
2026 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2027 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2028 }
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 inactive = 600;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2031 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2032 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2033 loader_threshold = 200;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2034
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2035 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2036 size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2037 max_size = NGX_MAX_OFF_T_VALUE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2038
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2039 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2040
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2041 cache->path->name = value[1];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2042
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2043 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
2044 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2045 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2046
5330
314c3d7cc3a5 Backed out f1a91825730a and 7094bd12c1ff.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5317
diff changeset
2047 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
2048 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2049 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2050
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2051 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2052
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2053 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2054
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2055 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2056 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2057
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2058 for (n = 0; n < 3 && p < last; n++) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2059
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2060 if (*p > '0' && *p < '3') {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2061
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2062 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2063 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2064
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2065 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2066 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2067 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2068
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2069 if (*p++ == ':' && n < 2 && p != last) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2070 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2071 }
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2072
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2073 goto invalid_levels;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2074 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2075
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2076 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2077 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2078
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2079 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2080 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2081 }
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 invalid_levels:
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 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2086 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2087 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2088 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2089
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2090 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
2091
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2092 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2093
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2094 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2095
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2096 if (p) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2097 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2098
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2099 p++;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2100
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2101 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2102 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2103
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2104 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2105 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2106 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2107 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2108 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2109
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2110 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2111 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2112 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2113 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2114
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2115 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2116
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2117 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2118 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2119
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2120 inactive = ngx_parse_time(&s, 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2121 if (inactive == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2122 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2123 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2124 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2125 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2126
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2127 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2128 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2129
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2130 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
2131
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2132 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2133 s.data = value[i].data + 9;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2134
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2135 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2136 if (max_size < 0) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2137 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
2138 "invalid max_size value \"%V\"", &value[i]);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2139 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2140 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2141
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2142 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2143 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2144
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2145 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
2146
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2147 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
2148 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2149 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
2150 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2151 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2152 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2153
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2154 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2155 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2156
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2157 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
2158
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2159 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2160 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2161
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2162 loader_sleep = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2163 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
2164 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
2165 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2166 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2167 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2168
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2169 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2170 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2171
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2172 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
2173
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2174 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2175 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2176
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2177 loader_threshold = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2178 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
2179 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
2180 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2181 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2182 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2183
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2184 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2185 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2186
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2187 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2188 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2189 return NGX_CONF_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2192 if (name.len == 0 || size == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2193 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2194 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2195 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2196 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2197 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2198
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2199 cache->path->manager = ngx_http_file_cache_manager;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
2200 cache->path->loader = ngx_http_file_cache_loader;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2201 cache->path->data = cache;
3973
9d6f21415231 set correct configuration file values while adding path
Igor Sysoev <igor@sysoev.ru>
parents: 3972
diff changeset
2202 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
2203 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
2204 cache->loader_files = loader_files;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2205 cache->loader_sleep = loader_sleep;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2206 cache->loader_threshold = loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2207
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2208 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2209 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2210 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2211
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2212 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
2213 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2214 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2215 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2216
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2217 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2218 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2219 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2220 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2221 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2222
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2223
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2224 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2225 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2226
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2227 cache->inactive = inactive;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2228 cache->max_size = max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2229
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2230 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2231 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
2232
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
2233
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2234 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2235 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
2236 void *conf)
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2237 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2238 char *p = conf;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2239
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2240 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2241 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2242 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2243 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2244 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2245 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
2246
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2247 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
2248
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2249 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2250 *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
2251 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2252 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2253 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2254 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2255
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2256 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2257 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
2258
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2259 valid = ngx_parse_time(&value[n], 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2260 if (valid == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2261 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2262 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2263 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
2264 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2265
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2266 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2267
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2268 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2269 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2270 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2271 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2272 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2273
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2274 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2275 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2276 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2277
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2278 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
2279 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2280
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2281 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2282
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2283 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2284
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2285 status = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2286
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2287 } else {
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 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2290 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2291 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2292 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2293 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2294 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2295 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2296
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2297 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2298 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2299 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2300 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2301
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2302 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2303 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2304 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2305
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2306 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
2307 }