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annotate src/http/ngx_http_file_cache.c @ 4150:b9ee14871bf1

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Cache: fix for sending of empty responses. Revert wrong fix for empty responses introduced in 0.8.31 and apply new one, rewritten to match things done by static module as close as possible.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 27 Sep 2011 11:15:35 +0000
parents e2c075e774b6
children 02b558fce98a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <ngx_md5.h>
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12
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13 static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r,
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14 ngx_http_cache_t *c);
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15 static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r,
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16 ngx_http_cache_t *c);
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17 #if (NGX_HAVE_FILE_AIO)
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18 static void ngx_http_cache_aio_event_handler(ngx_event_t *ev);
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19 #endif
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20 static ngx_int_t ngx_http_file_cache_exists(ngx_http_file_cache_t *cache,
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21 ngx_http_cache_t *c);
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22 static ngx_int_t ngx_http_file_cache_name(ngx_http_request_t *r,
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23 ngx_path_t *path);
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24 static ngx_http_file_cache_node_t *
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25 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key);
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26 static void ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
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27 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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28 static void ngx_http_file_cache_cleanup(void *data);
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29 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache);
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30 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache);
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31 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache,
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32 ngx_queue_t *q, u_char *name);
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33 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
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34 static ngx_int_t ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx,
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35 ngx_str_t *path);
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36 static ngx_int_t ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx,
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37 ngx_str_t *path);
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38 static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx,
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39 ngx_str_t *path);
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40 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache,
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41 ngx_http_cache_t *c);
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42 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx,
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43 ngx_str_t *path);
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45
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46 ngx_str_t ngx_http_cache_status[] = {
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47 ngx_string("MISS"),
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48 ngx_string("BYPASS"),
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49 ngx_string("EXPIRED"),
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50 ngx_string("STALE"),
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51 ngx_string("UPDATING"),
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52 ngx_string("HIT")
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53 };
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54
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55
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56 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' };
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57
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58
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59 static ngx_int_t
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60 ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
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61 {
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62 ngx_http_file_cache_t *ocache = data;
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63
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64 size_t len;
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65 ngx_uint_t n;
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66 ngx_http_file_cache_t *cache;
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67
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68 cache = shm_zone->data;
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69
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70 if (ocache) {
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71 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) {
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72 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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73 "cache \"%V\" uses the \"%V\" cache path "
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74 "while previously it used the \"%V\" cache path",
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75 &shm_zone->shm.name, &cache->path->name,
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76 &ocache->path->name);
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77
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78 return NGX_ERROR;
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79 }
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80
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81 for (n = 0; n < 3; n++) {
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82 if (cache->path->level[n] != ocache->path->level[n]) {
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83 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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84 "cache \"%V\" had previously different levels",
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85 &shm_zone->shm.name);
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86 return NGX_ERROR;
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87 }
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88 }
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89
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90 cache->sh = ocache->sh;
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91
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92 cache->shpool = ocache->shpool;
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93 cache->bsize = ocache->bsize;
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94
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95 cache->max_size /= cache->bsize;
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96
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97 if (!cache->sh->cold || cache->sh->loading) {
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98 cache->path->loader = NULL;
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99 }
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100
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101 return NGX_OK;
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102 }
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103
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104 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
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105
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106 if (shm_zone->shm.exists) {
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107 cache->sh = cache->shpool->data;
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108 cache->bsize = ngx_fs_bsize(cache->path->name.data);
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109
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110 return NGX_OK;
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111 }
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112
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113 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t));
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114 if (cache->sh == NULL) {
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115 return NGX_ERROR;
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116 }
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117
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118 cache->shpool->data = cache->sh;
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119
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120 ngx_rbtree_init(&cache->sh->rbtree, &cache->sh->sentinel,
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121 ngx_http_file_cache_rbtree_insert_value);
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122
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123 ngx_queue_init(&cache->sh->queue);
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124
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125 cache->sh->cold = 1;
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126 cache->sh->loading = 0;
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parents: 2716
diff changeset
127 cache->sh->size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
128
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
129 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
130
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
131 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
132
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
133 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
134
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
135 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
136 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
137 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
138 }
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
139
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
140 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
141 &shm_zone->shm.name);
2611
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
142
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
143 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
144 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
145
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
146
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
147 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
148 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
149 {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
150 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
151
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
152 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
153 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
154 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
155 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
156
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
157 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
158 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
159 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
160
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
161 r->cache = c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
162 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
163 c->file.fd = NGX_INVALID_FILE;
3697
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 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
166 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
167
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
168
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
169 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
170 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
171 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
172 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
173 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
174 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
175
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
176 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
177 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
178
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
179 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
180 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
181 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
182 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
183
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
184 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
185 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
186 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
187
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
188 cln->handler = ngx_http_file_cache_cleanup;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
189 cln->data = c;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
190
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
191 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
192 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
193 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
194
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
195 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
196 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
197
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
198
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
199 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
200 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
201 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
202 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
203 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
204 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
205 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
206 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
207
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
208 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
209
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
210 len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
211
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
212 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
213 ngx_md5_init(&md5);
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 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
216 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
217 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
218 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
219
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
220 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
221
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
222 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
223 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
224 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
225
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
226 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
227 + sizeof(ngx_http_file_cache_key) + len + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
228
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
229 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
230 ngx_md5_final(c->key, &md5);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
231 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
232
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
233
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
234 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
235 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
236 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
237 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
238 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
239 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
240 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
241 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
242 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
243 ngx_http_core_loc_conf_t *clcf;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
244
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
245 c = r->cache;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
246
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
247 if (c->buf) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
248 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
249 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
250
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
251 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
252
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
253 cln = ngx_pool_cleanup_add(r->pool, 0);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
254 if (cln == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
255 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
256 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
257
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
258 rc = ngx_http_file_cache_exists(cache, c);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
259
2926
80a314b63c56 delete useless r->cache->uses
Igor Sysoev <igor@sysoev.ru>
parents: 2925
diff changeset
260 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
261 "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
262
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
263 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
264 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
265 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
266
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
267 cln->handler = ngx_http_file_cache_cleanup;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
268 cln->data = c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
269
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
270 if (rc == NGX_AGAIN) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
271 return NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
272 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
273
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
274 cold = cache->sh->cold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
275
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
276 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
277
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
278 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
279 return c->error;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
282 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
283 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
284 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
285
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
286 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
287
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
288 if (c->min_uses > 1) {
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 if (!cold) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
291 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
292 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
294 test = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
295 rv = NGX_HTTP_CACHE_SCARCE;
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 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
298 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
299 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
300 rv = NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
304 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
305 return NGX_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
308 if (!test) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
309 return NGX_DECLINED;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
312 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
313
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
314 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
315
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
316 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
317 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
318 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
319 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
320 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178
975f0558aab3 read_ahead
Igor Sysoev <igor@sysoev.ru>
parents: 3136
diff changeset
321 of.read_ahead = clcf->read_ahead;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
322
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
323 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
324 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
325 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
326 switch (of.err) {
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 case 0:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
329 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
330
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
331 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
332 case NGX_ENOTDIR:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
333 return rv;
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 default:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
336 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
337 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
338 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
339 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
340 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
341
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
342 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
343 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
344
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
345 c->file.fd = of.fd;
2603
f9bd7999eb08 fix segfault if ngx_read_file() will fail
Igor Sysoev <igor@sysoev.ru>
parents: 2600
diff changeset
346 c->file.log = r->connection->log;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
347 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
348 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
349 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
350
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
351 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
352 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
353 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
354 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
355
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
356 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
357 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
358
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
359
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
360 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
361 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
362 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
363 time_t now;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
364 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
365 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
366 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
367 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
368
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
369 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
370
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
371 if (n < 0) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
373 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
374
3369
479468a7d982 fix handling cached HTTP/0.9 response
Igor Sysoev <igor@sysoev.ru>
parents: 3294
diff changeset
375 if ((size_t) n < c->header_start) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
376 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
377 "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
378 return NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
379 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
380
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
381 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
382
3460
bbea0b19b608 fix cached FastCGI response with large stderr output before header
Igor Sysoev <igor@sysoev.ru>
parents: 3400
diff changeset
383 if (h->crc32 != c->crc32) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
384 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
385 "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
386 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
387 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
388
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
389 c->buf->last += n;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
390
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
391 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
392 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
393 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
394 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
395 c->header_start = h->header_start;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
396 c->body_start = h->body_start;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
397
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
398 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
399
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
400 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
401
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
402 if (cache->sh->cold) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
403
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
404 ngx_shmtx_lock(&cache->shpool->mutex);
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
405
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
406 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
407 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
408 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
409 c->node->exists = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
410 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
411 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
412
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
413 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
414 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
415
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
416 ngx_shmtx_unlock(&cache->shpool->mutex);
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
417 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
418
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
419 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
420
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
421 if (c->valid_sec < now) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
422
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
423 ngx_shmtx_lock(&cache->shpool->mutex);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
424
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
425 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
426 rc = NGX_HTTP_CACHE_UPDATING;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
427
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
428 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
429 c->node->updating = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
430 c->updating = 1;
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
431 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
432 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
433
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
434 ngx_shmtx_unlock(&cache->shpool->mutex);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
435
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
436 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
437 "http file cache expired: %i %T %T",
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
438 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
439
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
440 return rc;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
441 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
442
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
443 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
444 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
445
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
446
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
447 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
448 ngx_http_file_cache_aio_read(ngx_http_request_t *r, ngx_http_cache_t *c)
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
449 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
450 #if (NGX_HAVE_FILE_AIO)
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
451 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
452 ngx_http_core_loc_conf_t *clcf;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
453
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
454 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
455 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
456 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
457
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
458 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
459
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
460 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
461 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
462 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
463
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
464 n = ngx_file_aio_read(&c->file, c->buf->pos, c->body_start, 0, r->pool);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
465
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
466 if (n != NGX_AGAIN) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
467 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
468 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
469
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
470 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
471 c->file.aio->handler = ngx_http_cache_aio_event_handler;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
472
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
473 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
474 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
475
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
476 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
477
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
478 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
479
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
480 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
481
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
482 return ngx_read_file(&c->file, c->buf->pos, c->body_start, 0);
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
483 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
484
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
485
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
486 #if (NGX_HAVE_FILE_AIO)
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
487
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
488 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
489 ngx_http_cache_aio_event_handler(ngx_event_t *ev)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
490 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
491 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
492 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
493
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
494 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
495 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
496
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
497 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
498 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
499
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
500 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
501 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
502
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
503 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
504
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
505
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
506 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
507 ngx_http_file_cache_exists(ngx_http_file_cache_t *cache, ngx_http_cache_t *c)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
508 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
509 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
510 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
511
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
512 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
513
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
514 fcn = ngx_http_file_cache_lookup(cache, c->key);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
515
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
516 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
517 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
518
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
519 fcn->uses++;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
520 fcn->count++;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
521
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
522 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
523
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
524 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
525 goto renew;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
526 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
527
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
528 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
529
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
530 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
531 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
532
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
533 if (fcn->exists || fcn->uses >= c->min_uses) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
534
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
535 c->exists = fcn->exists;
3969
3ea15c6b16da fix r3968
Igor Sysoev <igor@sysoev.ru>
parents: 3968
diff changeset
536 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
537 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
538 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
539
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
540 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
541
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
542 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
543 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
544
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
545 rc = NGX_AGAIN;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
546
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
547 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
548 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
549
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
550 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
551 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
552 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
553 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
554
2693
197cda0e767e style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2671
diff changeset
555 (void) ngx_http_file_cache_forced_expire(cache);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
556
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
557 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
558
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
559 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
560 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
561 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
562 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
563 goto failed;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
564 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
565 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
566
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
567 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
568
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
569 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
570 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
571
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
572 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
573
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
574 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
575 fcn->count = 1;
3744
77b18d36d123 zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents: 3743
diff changeset
576 fcn->updating = 0;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
577 fcn->deleting = 0;
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
578
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
579 renew:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
580
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
581 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
582
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
583 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
584 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
585 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
586 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
587 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
588 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
589 fcn->fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
590
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
591 done:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
593 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
594
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
595 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
596
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
597 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
598 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
599 c->node = fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
600
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
601 failed:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
602
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
603 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
604
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
605 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
606 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
607
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
608
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
609 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
610 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
611 {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
612 u_char *p;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
613 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
614
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
615 c = r->cache;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
616
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
617 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
618 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
619
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
620 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
621 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
622 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
623 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
624
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
625 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
626
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
627 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
628 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
629 *p = '\0';
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
630
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
631 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
632
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
633 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
634 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
635
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
636 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
637 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
638
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
639
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
640 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
641 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
642 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
643 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
644 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
645 ngx_rbtree_node_t *node, *sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
646 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
647
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
648 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
649
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
650 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
651 sentinel = cache->sh->rbtree.sentinel;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
652
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
653 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
654
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
655 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
656 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
657 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
658 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
659
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
660 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
661 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
662 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
663 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
664
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
665 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
666
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
667 do {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
668 fcn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
669
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
670 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
671 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
672
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
673 if (rc == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
674 return fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
675 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
676
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
677 node = (rc < 0) ? node->left : node->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
678
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
679 } while (node != sentinel && node_key == node->key);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
680
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
681 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
682 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
683
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
684 /* not found */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
685
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
686 return NULL;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
689
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
690 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
691 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
692 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
693 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
694 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
695 ngx_http_file_cache_node_t *cn, *cnt;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
696
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
697 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
698
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
699 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
700
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
701 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
702
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
703 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
704
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
705 p = &temp->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
706
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
707 } else { /* node->key == temp->key */
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 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
710 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
711
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
712 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
713 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
714 < 0)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
715 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
716 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
717
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
718 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
719 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
720 }
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 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
723 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
724
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
725 *p = node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
726 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
727 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
728 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
729 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
730 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
731
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
732
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
733 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
734 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
735 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
736 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
737
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
738 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
739 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
740 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
741 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
742
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
743 ngx_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
744 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
745
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
746 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
747
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
748 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
749 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
750 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
751 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
752 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
753 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
754 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
755
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
756 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
757
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
758 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
759
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
760 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
761 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
762 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
763 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
764
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
765 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
766 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
767
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
768
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
769 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
770 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
771 {
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
772 off_t fs_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
773 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
774 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
775 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
776 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
777 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
778 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
779
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
780 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
781
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
782 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
783 return;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
786 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
787 "http file cache update");
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 c->updated = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
790 c->updating = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
791
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
792 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
793
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
794 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
795 fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
796
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
797 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
798 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
799 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
800
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
801 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
802 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
803 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
804 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
805 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
806 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
807
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
808 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
809
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
810 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
811
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
812 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
813 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
814 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
815
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
816 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
817
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
818 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
819 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
820 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
821 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
822 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
823
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
824 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
825
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
826 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
827 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
828 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
829
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
830 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
831 c->node->fs_size = fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
832
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
833 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
834 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
835 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
836
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
837 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
838
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
839 ngx_shmtx_unlock(&cache->shpool->mutex);
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
842
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
843 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
844 ngx_http_cache_send(ngx_http_request_t *r)
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 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
847 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
848 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
849 ngx_http_cache_t *c;
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 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
852
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
853 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965
90b0487fba44 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3942
diff changeset
854 "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
855
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
856 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
857 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
858 }
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
859
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
860 /* 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
861
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
862 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
863 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
864 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
865 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
866
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
867 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
868 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
869 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
872 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
873
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
874 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
875 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
876 }
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 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
879 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
880
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
881 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
882 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
883 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
884
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
885 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
886 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
887 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
888
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
889 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
890 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
891
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
892 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
893 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
894
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
895
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
896 void
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
897 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
898 {
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
899 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
900 ngx_http_file_cache_node_t *fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
901
3917
2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different,
Igor Sysoev <igor@sysoev.ru>
parents: 3899
diff changeset
902 if (c->updated || c->node == NULL) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
903 return;
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 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
907
3713
f0b62d1ac7af move debug logging inside ngx_http_file_cache_free()
Igor Sysoev <igor@sysoev.ru>
parents: 3711
diff changeset
908 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
909 "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
910
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
911 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
912
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
913 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
914 fcn->count--;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
915
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
916 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
917 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
918 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
919
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
920 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
921 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
922
3743
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
923 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
924 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
925 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
926 }
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
927
3723
14ad3210fc73 do not free unused cache node if cache min_uses > 1,
Igor Sysoev <igor@sysoev.ru>
parents: 3713
diff changeset
928 } 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
929 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
930 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
931 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
932 c->node = NULL;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
933 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
934
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
935 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
936
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
937 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
938 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
939
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
940 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
941 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
942 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
943 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
944 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
945
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
946 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
947 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
948 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
949 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
950 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
951 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
952 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
953 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
954
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
955
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
956 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
957 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
958 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
959 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
960
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
961 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
962 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
963 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
964
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
965 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
966 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
967
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
968 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
969 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
970 "stalled cache updating, error:%ui", c->error);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
971 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
972
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
973 ngx_http_file_cache_free(c, NULL);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
974 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
975
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
976
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
977 static time_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
978 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
979 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
980 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
981 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
982 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
983 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
984 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
985 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
986 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
987
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
988 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
989 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
990
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
991 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
992 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
993
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
994 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
995 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
996 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
997 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
998
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
999 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
1000
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1001 wait = 10;
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1002 tries = 20;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1003
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1004 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1005
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1006 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
1007 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
1008 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1009 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1010 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
1011
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1012 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
1013 "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
1014 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1015 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
1016
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1017 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1018 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
1019 wait = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1020
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1021 } else {
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1022 if (--tries) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1023 continue;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1024 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1025
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1026 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1027 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1028
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1029 break;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1030 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1031
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1032 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1033
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1034 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1035
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1036 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1037 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1038
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1039
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1040 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1041 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
1042 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1043 u_char *name, *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1044 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1045 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1046 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1047 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1048 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1049 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1050
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1051 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
1052 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1053
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1054 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1055 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
1056
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1057 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
1058 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1059 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1060 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1061
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1062 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
1063
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1064 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1065
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1066 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1067
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1068 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1069
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1070 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
1071 wait = 10;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1072 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1073 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1074
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1075 q = ngx_queue_last(&cache->sh->queue);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1076
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1077 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
1078
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1079 wait = fcn->expire - now;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1080
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1081 if (wait > 0) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1082 wait = wait > 10 ? 10 : wait;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1083 break;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1084 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1085
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1086 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
1087 "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
1088 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1089 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
1090
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1091 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1092 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
1093 continue;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1094 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1095
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1096 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
1097 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node
Igor Sysoev <igor@sysoev.ru>
parents: 3917
diff changeset
1098 break;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1099 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1100
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1101 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1102 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1103 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1104 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1105
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1106 /*
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1107 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1108 * and although it may be safe to remove them completely,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1109 * we prefer to remove them from inactive queue and rbtree
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1110 * only, and to allow other leaks
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1111 */
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1112
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1113 ngx_queue_remove(q);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1114 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1115
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1116 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1117 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1118 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
1119 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1120
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1121 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1122
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1123 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1124
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1125 return wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1126 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1127
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1128
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1129 static void
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1130 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
1131 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1132 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1133 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1134 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1135 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1136 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1137
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1138 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
1139
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1140 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
1141 cache->sh->size -= fcn->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1142
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1143 path = cache->path;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1144 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
1145 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
1146 sizeof(ngx_rbtree_key_t));
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1147 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
1148 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
1149 *p = '\0';
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1150
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1151 fcn->count++;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1152 fcn->deleting = 1;
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1153 ngx_shmtx_unlock(&cache->shpool->mutex);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1154
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1155 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
1156 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
1157
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1158 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
1159 "http file cache expire: \"%s\"", name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1160
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1161 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
1162 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
1163 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
1164 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1165
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1166 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
1167 fcn->count--;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1168 fcn->deleting = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1169 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1170
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1171 if (fcn->count == 0) {
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1172 ngx_queue_remove(q);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1173 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
1174 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
1175 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1176 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1177
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1178
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1179 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1180 ngx_http_file_cache_manager(void *data)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1181 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1182 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1183
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1184 off_t size;
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1185 time_t next, wait;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1186
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1187 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1188
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1189 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1190 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1191
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1192 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1193 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1194
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1195 size = cache->sh->size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1196
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1197 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1198
2631
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1199 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1200 "http file cache size: %O", size);
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1201
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1202 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1203 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1204 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1205
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1206 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1207
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1208 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1209 return wait;
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1210 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1211
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
1212 if (ngx_quit || ngx_terminate) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1213 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1214 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1215 }
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1218
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1219 static void
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1220 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1221 {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1222 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1223
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1224 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1225
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1226 if (!cache->sh->cold || cache->sh->loading) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1227 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1228 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1229
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1230 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1231 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1232 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1233
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1234 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1235 "http file cache loader");
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1236
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1237 tree.init_handler = NULL;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1238 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1239 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1240 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1241 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1242 tree.data = cache;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1243 tree.alloc = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1244 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1245
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1246 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1247 cache->files = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1248
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1249 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
1250 cache->sh->loading = 0;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1251 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1252 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1253
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1254 cache->sh->cold = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1255 cache->sh->loading = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1256
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1257 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1258 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1259 &cache->path->name,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1260 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1261 cache->bsize);
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1262 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1263
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1264
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1265 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1266 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
1267 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1268 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1269 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1270
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1271
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1272 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1273 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
1274 {
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1275 ngx_msec_t elapsed;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1276 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1277
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1278 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1279
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1280 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
1281 (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
1282 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1283
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1284 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
1285 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
1286
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1287 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1288 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1289
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1290 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
1291
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1292 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
1293 "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
1294
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1295 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1296 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
1297 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1298 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1299
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1300 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
1301 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1302
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1303
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1304 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1305 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
1306 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1307 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1308
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1309 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1310
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1311 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1312 cache->files = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1313 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1314
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1315
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1316 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1317 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
1318 {
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1319 u_char *p;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1320 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1321 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1322 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1323 ngx_http_file_cache_t *cache;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1324
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1325 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
1326 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1327 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1328
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1329 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
1330 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
1331 "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
1332 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1333 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1334
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1335 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
1336 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
1337
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1338 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1339 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
1340
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1341 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
1342
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1343 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
1344 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1345
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1346 if (n == NGX_ERROR) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1347 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1348 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1349
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1350 p += 2;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1351
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1352 c.key[i] = (u_char) n;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1353 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1354
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1355 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
1356 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1357
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1358
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1359 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1360 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
1361 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1362 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1363
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1364 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1365
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1366 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
1367
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1368 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1369
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1370 fcn = ngx_slab_alloc_locked(cache->shpool,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1371 sizeof(ngx_http_file_cache_node_t));
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1372 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1373 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1374 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1375 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1376
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1377 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
1378
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1379 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
1380 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
1381
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1382 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
1383
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1384 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1385 fcn->count = 0;
3967
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1386 fcn->valid_msec = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1387 fcn->error = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1388 fcn->exists = 1;
3744
77b18d36d123 zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents: 3743
diff changeset
1389 fcn->updating = 0;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1390 fcn->deleting = 0;
3968
d7ed8b8b0cdd update the previous commit:
Igor Sysoev <igor@sysoev.ru>
parents: 3967
diff changeset
1391 fcn->uniq = 0;
3967
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1392 fcn->valid_sec = 0;
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1393 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
1394 fcn->fs_size = c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1395
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1396 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1397
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1398 } else {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1399 ngx_queue_remove(&fcn->queue);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1400 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1401
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1402 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1403
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1404 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
1405
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1406 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1407
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1408 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1409 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1410
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1411
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1412 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1413 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
1414 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1415 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
1416 "http file cache delete: \"%s\"", path->data);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1417
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1418 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1419 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
1420 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1421 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1422
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1423 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1424 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1425
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1426
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1427 time_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1428 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
1429 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1430 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1431 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
1432
2626
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1433 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
1434 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1435 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1436
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1437 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1438 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
1439
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1440 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1441 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
1442 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1443
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1444 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1445 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
1446 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1447 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1448
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1449 return 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1450 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1451
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1452
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1453 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1454 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
1455 {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1456 off_t max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1457 u_char *last, *p;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1458 time_t inactive;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1459 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1460 ngx_str_t s, name, *value;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1461 ngx_int_t loader_files, loader_sleep, loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1462 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1463 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1464
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1465 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
1466 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1467 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1468 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1469
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1470 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
1471 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1472 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1473 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1474
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1475 inactive = 600;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1476 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1477 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1478 loader_threshold = 200;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1479
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1480 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1481 size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1482 max_size = NGX_MAX_OFF_T_VALUE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1483
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1484 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1485
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1486 cache->path->name = value[1];
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 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
1489 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1490 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1491
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1492 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1493 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1494 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1495
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1496 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1497
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1498 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1499
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1500 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1501 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1502
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1503 for (n = 0; n < 3 && p < last; n++) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1504
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1505 if (*p > '0' && *p < '3') {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1506
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1507 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1508 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1509
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1510 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1511 break;
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
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1514 if (*p++ == ':' && n < 2 && p != last) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1515 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1516 }
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1517
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1518 goto invalid_levels;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1519 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1520
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1521 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1522 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1523
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1524 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1525 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1526 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1527
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1528 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1529
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1530 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1531 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1532 return NGX_CONF_ERROR;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1535 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
1536
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1537 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1538
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1539 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1540
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1541 if (p) {
2716
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
1542 *p = '\0';
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
1543
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1544 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1545
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1546 p++;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1547
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1548 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1549 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1550
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1551 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1552 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1553 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1554 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1555 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1556
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1557 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1558 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1559 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1560 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1561
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1562 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1563
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1564 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1565 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1566
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1567 inactive = ngx_parse_time(&s, 1);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1568 if (inactive < 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1569 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1570 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1571 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1572 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1573
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1574 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1575 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1576
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1577 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
1578
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1579 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1580 s.data = value[i].data + 9;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1581
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1582 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1583 if (max_size < 0) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1584 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
1585 "invalid max_size value \"%V\"", &value[i]);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1586 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1587 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1588
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1589 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1590 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1591
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1592 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
1593
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1594 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
1595 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1596 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
1597 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1598 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1599 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1600
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1601 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1602 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1603
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1604 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
1605
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1606 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1607 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1608
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1609 loader_sleep = ngx_parse_time(&s, 0);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1610 if (loader_sleep < 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1611 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
1612 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1613 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1614 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1615
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1616 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1617 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1618
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1619 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
1620
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1621 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1622 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1623
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1624 loader_threshold = ngx_parse_time(&s, 0);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1625 if (loader_threshold < 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1626 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
1627 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1628 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1629 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1630
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1631 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1632 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1633
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1634 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1635 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1636 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1637 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1638
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1639 if (name.len == 0 || size == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1640 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1641 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1642 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1643 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1644 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1645
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1646 cache->path->manager = ngx_http_file_cache_manager;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1647 cache->path->loader = ngx_http_file_cache_loader;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1648 cache->path->data = cache;
3973
9d6f21415231 set correct configuration file values while adding path
Igor Sysoev <igor@sysoev.ru>
parents: 3972
diff changeset
1649 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
1650 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
1651 cache->loader_files = loader_files;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1652 cache->loader_sleep = (ngx_msec_t) loader_sleep;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1653 cache->loader_threshold = (ngx_msec_t) loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1654
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1655 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1656 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1657 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1658
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1659 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
1660 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1661 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1662 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1663
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1664 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1665 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1666 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1667 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1668 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1669
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1670
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1671 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1672 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1673
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1674 cache->inactive = inactive;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1675 cache->max_size = max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1676
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1677 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1678 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1679
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1680
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1681 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1682 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
1683 void *conf)
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1684 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1685 char *p = conf;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1686
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1687 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1688 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1689 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1690 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1691 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1692 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
1693
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1694 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
1695
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1696 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1697 *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
1698 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1699 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1700 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1701 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1702
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1703 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1704 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
1705
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1706 valid = ngx_parse_time(&value[n], 1);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1707 if (valid < 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1708 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1709 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1710 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
1711 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1712
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1713 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1714
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1715 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1716 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1717 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1718 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1719 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1720
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1721 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1722 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1723 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1724
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1725 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
1726 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1727
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1728 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1729
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1730 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1731
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1732 status = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1733
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1734 } else {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1735
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1736 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1737 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1738 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1739 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1740 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1741 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1742 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1743
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1744 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1745 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1746 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1747 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1748
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1749 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1750 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1751 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1752
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1753 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
1754 }
3526
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1755
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1756
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1757 ngx_int_t
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1758 ngx_http_cache(ngx_http_request_t *r, ngx_array_t *no_cache)
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1759 {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1760 ngx_str_t val;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1761 ngx_uint_t i;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1762 ngx_http_complex_value_t *cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1763
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1764 cv = no_cache->elts;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1765
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1766 for (i = 0; i < no_cache->nelts; i++) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1767 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1768 return NGX_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1769 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1770
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1771 if (val.len && val.data[0] != '0') {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1772 return NGX_DECLINED;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1773 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1774 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1775
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1776 return NGX_OK;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1777 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1778
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1779
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1780 char *
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1781 ngx_http_no_cache_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1782 {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1783 char *p = conf;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1784
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1785 ngx_str_t *value;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1786 ngx_uint_t i;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1787 ngx_array_t **a;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1788 ngx_http_complex_value_t *cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1789 ngx_http_compile_complex_value_t ccv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1790
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1791 a = (ngx_array_t **) (p + cmd->offset);
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1792
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1793 if (*a == NGX_CONF_UNSET_PTR) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1794 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t));
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1795 if (*a == NULL) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1796 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1797 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1798 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1799
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1800 value = cf->args->elts;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1801
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1802 for (i = 1; i < cf->args->nelts; i++) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1803 cv = ngx_array_push(*a);
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1804 if (cv == NULL) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1805 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1806 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1807
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1808 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1809
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1810 ccv.cf = cf;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1811 ccv.value = &value[i];
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1812 ccv.complex_value = cv;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1813
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1814 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1815 return NGX_CONF_ERROR;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1816 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1817 }
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1818
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1819 return NGX_CONF_OK;
62a4fd1e6e2c proxy_no_cache and fastcgi_no_cache
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
1820 }