Mercurial > hg > nginx-quic
annotate src/http/ngx_http_file_cache.c @ 4454:bd1a95dd6dd3 stable-1.0 release-1.0.12
nginx-1.0.12-RELEASE
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Feb 2012 14:08:59 +0000 |
parents | 4919fb357a5d |
children | 8bb695c05870 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 #include <ngx_md5.h> |
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12 |
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13 |
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14 static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r, |
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15 ngx_http_cache_t *c); |
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16 static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r, |
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17 ngx_http_cache_t *c); |
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18 #if (NGX_HAVE_FILE_AIO) |
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19 static void ngx_http_cache_aio_event_handler(ngx_event_t *ev); |
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20 #endif |
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21 static ngx_int_t ngx_http_file_cache_exists(ngx_http_file_cache_t *cache, |
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22 ngx_http_cache_t *c); |
3696 | 23 static ngx_int_t ngx_http_file_cache_name(ngx_http_request_t *r, |
24 ngx_path_t *path); | |
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25 static ngx_http_file_cache_node_t * |
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26 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key); |
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27 static void ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp, |
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28 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
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29 static void ngx_http_file_cache_cleanup(void *data); |
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30 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache); |
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31 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache); |
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32 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache, |
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33 ngx_queue_t *q, u_char *name); |
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34 static ngx_int_t |
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35 ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache); |
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36 static ngx_int_t ngx_http_file_cache_noop(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_manage_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_file(ngx_tree_ctx_t *ctx, |
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41 ngx_str_t *path); |
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42 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache, |
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43 ngx_http_cache_t *c); |
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44 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx, |
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45 ngx_str_t *path); |
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46 |
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47 |
2952 | 48 ngx_str_t ngx_http_cache_status[] = { |
49 ngx_string("MISS"), | |
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50 ngx_string("BYPASS"), |
2952 | 51 ngx_string("EXPIRED"), |
52 ngx_string("STALE"), | |
53 ngx_string("UPDATING"), | |
54 ngx_string("HIT") | |
55 }; | |
56 | |
57 | |
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58 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' }; |
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59 |
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60 |
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61 static ngx_int_t |
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62 ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data) |
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63 { |
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64 ngx_http_file_cache_t *ocache = data; |
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65 |
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66 size_t len; |
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67 ngx_uint_t n; |
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68 ngx_http_file_cache_t *cache; |
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69 |
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70 cache = shm_zone->data; |
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71 |
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72 if (ocache) { |
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73 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) { |
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74 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0, |
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75 "cache \"%V\" uses the \"%V\" cache path " |
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76 "while previously it used the \"%V\" cache path", |
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77 &shm_zone->shm.name, &cache->path->name, |
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78 &ocache->path->name); |
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79 |
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80 return NGX_ERROR; |
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81 } |
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82 |
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83 for (n = 0; n < 3; n++) { |
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84 if (cache->path->level[n] != ocache->path->level[n]) { |
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85 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0, |
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86 "cache \"%V\" had previously different levels", |
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87 &shm_zone->shm.name); |
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88 return NGX_ERROR; |
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89 } |
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90 } |
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91 |
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92 cache->sh = ocache->sh; |
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93 |
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94 cache->shpool = ocache->shpool; |
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95 cache->bsize = ocache->bsize; |
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96 |
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97 cache->max_size /= cache->bsize; |
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98 |
3018 | 99 if (!cache->sh->cold || cache->sh->loading) { |
100 cache->path->loader = NULL; | |
101 } | |
102 | |
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103 return NGX_OK; |
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104 } |
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105 |
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106 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; |
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107 |
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108 if (shm_zone->shm.exists) { |
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109 cache->sh = cache->shpool->data; |
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110 cache->bsize = ngx_fs_bsize(cache->path->name.data); |
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111 |
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112 return NGX_OK; |
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113 } |
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114 |
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115 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t)); |
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116 if (cache->sh == NULL) { |
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117 return NGX_ERROR; |
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118 } |
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119 |
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120 cache->shpool->data = cache->sh; |
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121 |
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122 ngx_rbtree_init(&cache->sh->rbtree, &cache->sh->sentinel, |
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123 ngx_http_file_cache_rbtree_insert_value); |
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124 |
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125 ngx_queue_init(&cache->sh->queue); |
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126 |
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127 cache->sh->cold = 1; |
3018 | 128 cache->sh->loading = 0; |
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129 cache->sh->size = 0; |
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130 |
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131 cache->bsize = ngx_fs_bsize(cache->path->name.data); |
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132 |
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133 cache->max_size /= cache->bsize; |
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134 |
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135 len = sizeof(" in cache keys zone \"\"") + shm_zone->shm.name.len; |
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136 |
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137 cache->shpool->log_ctx = ngx_slab_alloc(cache->shpool, len); |
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138 if (cache->shpool->log_ctx == NULL) { |
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139 return NGX_ERROR; |
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140 } |
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141 |
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142 ngx_sprintf(cache->shpool->log_ctx, " in cache keys zone \"%V\"%Z", |
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143 &shm_zone->shm.name); |
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144 |
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145 return NGX_OK; |
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146 } |
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147 |
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148 |
3697 | 149 ngx_int_t |
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150 ngx_http_file_cache_new(ngx_http_request_t *r) |
3697 | 151 { |
152 ngx_http_cache_t *c; | |
153 | |
154 c = ngx_pcalloc(r->pool, sizeof(ngx_http_cache_t)); | |
155 if (c == NULL) { | |
156 return NGX_ERROR; | |
157 } | |
158 | |
159 if (ngx_array_init(&c->keys, r->pool, 4, sizeof(ngx_str_t)) != NGX_OK) { | |
160 return NGX_ERROR; | |
161 } | |
162 | |
163 r->cache = c; | |
164 c->file.log = r->connection->log; | |
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165 c->file.fd = NGX_INVALID_FILE; |
3697 | 166 |
167 return NGX_OK; | |
168 } | |
169 | |
170 | |
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171 ngx_int_t |
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172 ngx_http_file_cache_create(ngx_http_request_t *r) |
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173 { |
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174 ngx_http_cache_t *c; |
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175 ngx_pool_cleanup_t *cln; |
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176 ngx_http_file_cache_t *cache; |
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177 |
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178 c = r->cache; |
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179 cache = c->file_cache; |
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180 |
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181 cln = ngx_pool_cleanup_add(r->pool, 0); |
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182 if (cln == NULL) { |
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183 return NGX_ERROR; |
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184 } |
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185 |
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186 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) { |
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187 return NGX_ERROR; |
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188 } |
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189 |
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190 cln->handler = ngx_http_file_cache_cleanup; |
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191 cln->data = c; |
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192 |
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193 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) { |
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194 return NGX_ERROR; |
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195 } |
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196 |
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197 return NGX_OK; |
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198 } |
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199 |
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200 |
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201 void |
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202 ngx_http_file_cache_create_key(ngx_http_request_t *r) |
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203 { |
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204 size_t len; |
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205 ngx_str_t *key; |
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206 ngx_uint_t i; |
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207 ngx_md5_t md5; |
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208 ngx_http_cache_t *c; |
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209 |
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210 c = r->cache; |
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211 |
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212 len = 0; |
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213 |
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214 ngx_crc32_init(c->crc32); |
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215 ngx_md5_init(&md5); |
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216 |
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217 key = c->keys.elts; |
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218 for (i = 0; i < c->keys.nelts; i++) { |
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219 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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220 "http cache key: \"%V\"", &key[i]); |
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221 |
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222 len += key[i].len; |
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223 |
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224 ngx_crc32_update(&c->crc32, key[i].data, key[i].len); |
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225 ngx_md5_update(&md5, key[i].data, key[i].len); |
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226 } |
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227 |
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228 c->header_start = sizeof(ngx_http_file_cache_header_t) |
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229 + sizeof(ngx_http_file_cache_key) + len + 1; |
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230 |
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231 ngx_crc32_final(c->crc32); |
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232 ngx_md5_final(c->key, &md5); |
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233 } |
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234 |
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235 |
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236 ngx_int_t |
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237 ngx_http_file_cache_open(ngx_http_request_t *r) |
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238 { |
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239 ngx_int_t rc, rv; |
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240 ngx_uint_t cold, test; |
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241 ngx_http_cache_t *c; |
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242 ngx_pool_cleanup_t *cln; |
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243 ngx_open_file_info_t of; |
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244 ngx_http_file_cache_t *cache; |
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245 ngx_http_core_loc_conf_t *clcf; |
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246 |
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247 c = r->cache; |
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248 |
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249 if (c->buf) { |
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250 return ngx_http_file_cache_read(r, c); |
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251 } |
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252 |
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253 cache = c->file_cache; |
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254 |
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255 cln = ngx_pool_cleanup_add(r->pool, 0); |
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256 if (cln == NULL) { |
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257 return NGX_ERROR; |
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258 } |
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259 |
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260 rc = ngx_http_file_cache_exists(cache, c); |
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261 |
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262 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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263 "http file cache exists: %i e:%d", rc, c->exists); |
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264 |
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265 if (rc == NGX_ERROR) { |
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266 return rc; |
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267 } |
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268 |
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269 cln->handler = ngx_http_file_cache_cleanup; |
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270 cln->data = c; |
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271 |
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272 if (rc == NGX_AGAIN) { |
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273 return NGX_HTTP_CACHE_SCARCE; |
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274 } |
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275 |
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276 cold = cache->sh->cold; |
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277 |
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278 if (rc == NGX_OK) { |
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279 |
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280 if (c->error) { |
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281 return c->error; |
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282 } |
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283 |
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284 c->temp_file = 1; |
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285 test = c->exists ? 1 : 0; |
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286 rv = NGX_DECLINED; |
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287 |
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288 } else { /* rc == NGX_DECLINED */ |
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289 |
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290 if (c->min_uses > 1) { |
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291 |
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292 if (!cold) { |
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293 return NGX_HTTP_CACHE_SCARCE; |
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294 } |
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295 |
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296 test = 1; |
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297 rv = NGX_HTTP_CACHE_SCARCE; |
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298 |
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299 } else { |
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300 c->temp_file = 1; |
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301 test = cold ? 1 : 0; |
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302 rv = NGX_DECLINED; |
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303 } |
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304 } |
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305 |
3696 | 306 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) { |
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307 return NGX_ERROR; |
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308 } |
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309 |
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310 if (!test) { |
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311 return NGX_DECLINED; |
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312 } |
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313 |
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314 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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315 |
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316 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
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317 |
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318 of.uniq = c->uniq; |
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319 of.valid = clcf->open_file_cache_valid; |
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320 of.min_uses = clcf->open_file_cache_min_uses; |
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321 of.events = clcf->open_file_cache_events; |
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322 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF; |
3178 | 323 of.read_ahead = clcf->read_ahead; |
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324 |
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325 if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool) |
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326 != NGX_OK) |
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327 { |
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328 switch (of.err) { |
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329 |
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330 case 0: |
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331 return NGX_ERROR; |
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332 |
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333 case NGX_ENOENT: |
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334 case NGX_ENOTDIR: |
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335 return rv; |
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336 |
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337 default: |
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338 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, |
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339 ngx_open_file_n " \"%s\" failed", c->file.name.data); |
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340 return NGX_ERROR; |
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341 } |
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342 } |
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343 |
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344 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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345 "http file cache fd: %d", of.fd); |
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346 |
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347 c->file.fd = of.fd; |
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348 c->file.log = r->connection->log; |
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349 c->uniq = of.uniq; |
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350 c->length = of.size; |
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351 c->fs_size = (of.fs_size + cache->bsize - 1) / cache->bsize; |
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352 |
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353 c->buf = ngx_create_temp_buf(r->pool, c->body_start); |
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354 if (c->buf == NULL) { |
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355 return NGX_ERROR; |
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356 } |
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357 |
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358 return ngx_http_file_cache_read(r, c); |
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359 } |
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360 |
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361 |
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362 static ngx_int_t |
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363 ngx_http_file_cache_read(ngx_http_request_t *r, ngx_http_cache_t *c) |
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364 { |
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365 time_t now; |
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366 ssize_t n; |
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367 ngx_int_t rc; |
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368 ngx_http_file_cache_t *cache; |
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369 ngx_http_file_cache_header_t *h; |
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370 |
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371 n = ngx_http_file_cache_aio_read(r, c); |
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372 |
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|
373 if (n < 0) { |
202
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374 return n; |
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|
375 } |
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parents:
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changeset
|
376 |
3369
479468a7d982
fix handling cached HTTP/0.9 response
Igor Sysoev <igor@sysoev.ru>
parents:
3294
diff
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|
377 if ((size_t) n < c->header_start) { |
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a prelimiary proxy cache support
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diff
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|
378 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0, |
477 | 379 "cache file \"%s\" is too small", c->file.name.data); |
4039
ee270f311dea
Merge of r3972, r3973, r3974:
Igor Sysoev <igor@sysoev.ru>
parents:
4038
diff
changeset
|
380 return NGX_DECLINED; |
202
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381 } |
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|
382 |
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383 h = (ngx_http_file_cache_header_t *) c->buf->pos; |
202
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|
384 |
3460
bbea0b19b608
fix cached FastCGI response with large stderr output before header
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diff
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|
385 if (h->crc32 != c->crc32) { |
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386 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0, |
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a prelimiary proxy cache support
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diff
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|
387 "cache file \"%s\" has md5 collision", c->file.name.data); |
202
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parents:
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|
388 return NGX_DECLINED; |
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parents:
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|
389 } |
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parents:
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|
390 |
4436
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
391 if (h->body_start > c->body_start) { |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4248
diff
changeset
|
392 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0, |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4248
diff
changeset
|
393 "cache file \"%s\" has too long header", |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
394 c->file.name.data); |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
395 return NGX_DECLINED; |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
396 } |
311b358658c8
Merge of r4339, r4340, r4341:
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
397 |
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a prelimiary proxy cache support
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398 c->buf->last += n; |
477 | 399 |
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a prelimiary proxy cache support
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400 c->valid_sec = h->valid_sec; |
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parents:
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diff
changeset
|
401 c->last_modified = h->last_modified; |
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a prelimiary proxy cache support
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parents:
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diff
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|
402 c->date = h->date; |
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a prelimiary proxy cache support
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parents:
633
diff
changeset
|
403 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
|
404 c->header_start = h->header_start; |
2592
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a prelimiary proxy cache support
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parents:
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diff
changeset
|
405 c->body_start = h->body_start; |
477 | 406 |
2592
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a prelimiary proxy cache support
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parents:
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diff
changeset
|
407 r->cached = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
408 |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
409 cache = c->file_cache; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
410 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
411 if (cache->sh->cold) { |
2592
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a prelimiary proxy cache support
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parents:
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diff
changeset
|
412 |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
413 ngx_shmtx_lock(&cache->shpool->mutex); |
477 | 414 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
415 if (!c->node->exists) { |
d19979e0d980
introduce cache manager instead of cache cleaner
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parents:
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diff
changeset
|
416 c->node->uses = 1; |
d19979e0d980
introduce cache manager instead of cache cleaner
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parents:
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diff
changeset
|
417 c->node->body_start = c->body_start; |
d19979e0d980
introduce cache manager instead of cache cleaner
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parents:
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diff
changeset
|
418 c->node->exists = 1; |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
419 c->node->uniq = c->uniq; |
4037 | 420 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
|
421 |
3899
e7cd13b7f759
Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents:
3885
diff
changeset
|
422 cache->sh->size += c->fs_size; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
423 } |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
424 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
425 ngx_shmtx_unlock(&cache->shpool->mutex); |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
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parents:
diff
changeset
|
426 } |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
427 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
428 now = ngx_time(); |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
429 |
2592
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a prelimiary proxy cache support
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parents:
633
diff
changeset
|
430 if (c->valid_sec < now) { |
202
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nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
431 |
2927
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
432 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
|
433 |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
434 if (c->node->updating) { |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
435 rc = NGX_HTTP_CACHE_UPDATING; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
436 |
2927
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
437 } else { |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
438 c->node->updating = 1; |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
439 c->updating = 1; |
2927
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
440 rc = NGX_HTTP_CACHE_STALE; |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
441 } |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
442 |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
443 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
|
444 |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
445 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
|
446 "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
|
447 rc, c->valid_sec, now); |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
448 |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
449 return rc; |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
450 } |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
451 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
452 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
453 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
454 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
455 |
3294
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
456 static ssize_t |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
457 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
|
458 { |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
459 #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
|
460 ssize_t n; |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
461 ngx_http_core_loc_conf_t *clcf; |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
462 |
3294
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
463 if (!ngx_file_aio) { |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
464 goto noaio; |
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 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
467 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
|
468 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
469 if (!clcf->aio) { |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
470 goto noaio; |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
471 } |
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 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
|
474 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
475 if (n != NGX_AGAIN) { |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
476 return n; |
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 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
479 c->file.aio->data = r; |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
480 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
|
481 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
482 r->main->blocked++; |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
483 r->aio = 1; |
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 return NGX_AGAIN; |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
486 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
487 noaio: |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
488 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
489 #endif |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
490 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
491 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
|
492 } |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
493 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
494 |
04cfc09b8b8d
export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents:
3195
diff
changeset
|
495 #if (NGX_HAVE_FILE_AIO) |
3052
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 static void |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
498 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
|
499 { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
500 ngx_event_aio_t *aio; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
501 ngx_http_request_t *r; |
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 aio = ev->data; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
504 r = aio->data; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
505 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
506 r->main->blocked--; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
507 r->aio = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
508 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
509 r->connection->write->handler(r->connection->write); |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
510 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
511 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
512 #endif |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
513 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3024
diff
changeset
|
514 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
515 static ngx_int_t |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
516 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
|
517 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
518 ngx_int_t rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
519 ngx_http_file_cache_node_t *fcn; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
520 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
521 ngx_shmtx_lock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
522 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
523 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
|
524 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
525 if (fcn) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
526 ngx_queue_remove(&fcn->queue); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
527 |
3724
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
528 fcn->uses++; |
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
529 fcn->count++; |
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
530 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
531 if (fcn->error) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
532 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
533 if (fcn->valid_sec < ngx_time()) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
534 goto renew; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
535 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
536 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
537 rc = NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
538 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
539 goto done; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
540 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
541 |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
542 if (fcn->exists || fcn->uses >= c->min_uses) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
543 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
544 c->exists = fcn->exists; |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
545 if (fcn->body_start) { |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
546 c->body_start = fcn->body_start; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
547 } |
2592
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 rc = NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
550 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
551 goto done; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
552 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
553 |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
554 rc = NGX_AGAIN; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
555 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
556 goto done; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
557 } |
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 ngx_shmtx_unlock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
563 |
2693 | 564 (void) ngx_http_file_cache_forced_expire(cache); |
2592
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 ngx_shmtx_lock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
567 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
568 fcn = ngx_slab_alloc_locked(cache->shpool, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
569 sizeof(ngx_http_file_cache_node_t)); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
570 if (fcn == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
571 rc = NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
572 goto failed; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
573 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
574 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
575 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
576 ngx_memcpy((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
|
577 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
578 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
|
579 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
|
580 |
2720
b3b8c66bd520
support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
2716
diff
changeset
|
581 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node); |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
582 |
3724
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
583 fcn->uses = 1; |
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
584 fcn->count = 1; |
3744
77b18d36d123
zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents:
3743
diff
changeset
|
585 fcn->updating = 0; |
3755
76e3a93821b1
fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents:
3744
diff
changeset
|
586 fcn->deleting = 0; |
3724
e9f0a2497d3c
count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents:
3723
diff
changeset
|
587 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
588 renew: |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
589 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
590 rc = NGX_DECLINED; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
591 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
592 fcn->valid_msec = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
593 fcn->error = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
594 fcn->exists = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
595 fcn->valid_sec = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
596 fcn->uniq = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
597 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
|
598 fcn->fs_size = 0; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
599 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
600 done: |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
601 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
602 fcn->expire = ngx_time() + cache->inactive; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
603 |
2720
b3b8c66bd520
support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
2716
diff
changeset
|
604 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
|
605 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
606 c->uniq = fcn->uniq; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
607 c->error = fcn->error; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
608 c->node = fcn; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
609 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
610 failed: |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
611 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
612 ngx_shmtx_unlock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
613 |
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614 return rc; |
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615 } |
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616 |
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617 |
3696 | 618 static ngx_int_t |
619 ngx_http_file_cache_name(ngx_http_request_t *r, ngx_path_t *path) | |
620 { | |
621 u_char *p; | |
622 ngx_http_cache_t *c; | |
623 | |
624 c = r->cache; | |
625 | |
626 c->file.name.len = path->name.len + 1 + path->len | |
627 + 2 * NGX_HTTP_CACHE_KEY_LEN; | |
628 | |
629 c->file.name.data = ngx_pnalloc(r->pool, c->file.name.len + 1); | |
630 if (c->file.name.data == NULL) { | |
631 return NGX_ERROR; | |
632 } | |
633 | |
634 ngx_memcpy(c->file.name.data, path->name.data, path->name.len); | |
635 | |
636 p = c->file.name.data + path->name.len + 1 + path->len; | |
637 p = ngx_hex_dump(p, c->key, NGX_HTTP_CACHE_KEY_LEN); | |
638 *p = '\0'; | |
639 | |
640 ngx_create_hashed_filename(path, c->file.name.data, c->file.name.len); | |
641 | |
642 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
643 "cache file: \"%s\"", c->file.name.data); | |
644 | |
645 return NGX_OK; | |
646 } | |
647 | |
648 | |
2592
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649 static ngx_http_file_cache_node_t * |
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650 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key) |
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651 { |
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652 ngx_int_t rc; |
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653 ngx_rbtree_key_t node_key; |
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654 ngx_rbtree_node_t *node, *sentinel; |
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655 ngx_http_file_cache_node_t *fcn; |
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656 |
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657 ngx_memcpy((u_char *) &node_key, key, sizeof(ngx_rbtree_key_t)); |
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658 |
2720
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659 node = cache->sh->rbtree.root; |
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660 sentinel = cache->sh->rbtree.sentinel; |
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661 |
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662 while (node != sentinel) { |
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663 |
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664 if (node_key < node->key) { |
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665 node = node->left; |
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666 continue; |
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667 } |
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668 |
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669 if (node_key > node->key) { |
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670 node = node->right; |
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671 continue; |
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672 } |
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673 |
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674 /* node_key == node->key */ |
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675 |
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676 do { |
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677 fcn = (ngx_http_file_cache_node_t *) node; |
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678 |
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679 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key, |
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680 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t)); |
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681 |
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682 if (rc == 0) { |
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683 return fcn; |
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684 } |
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685 |
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686 node = (rc < 0) ? node->left : node->right; |
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687 |
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688 } while (node != sentinel && node_key == node->key); |
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689 |
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690 break; |
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691 } |
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692 |
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693 /* not found */ |
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694 |
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695 return NULL; |
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696 } |
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697 |
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698 |
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699 static void |
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700 ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp, |
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701 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
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702 { |
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703 ngx_rbtree_node_t **p; |
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704 ngx_http_file_cache_node_t *cn, *cnt; |
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705 |
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706 for ( ;; ) { |
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|
707 |
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|
708 if (node->key < temp->key) { |
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709 |
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diff
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710 p = &temp->left; |
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711 |
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712 } else if (node->key > temp->key) { |
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713 |
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714 p = &temp->right; |
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715 |
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716 } else { /* node->key == temp->key */ |
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717 |
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718 cn = (ngx_http_file_cache_node_t *) node; |
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719 cnt = (ngx_http_file_cache_node_t *) temp; |
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720 |
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721 p = (ngx_memcmp(cn->key, cnt->key, |
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722 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t)) |
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723 < 0) |
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724 ? &temp->left : &temp->right; |
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725 } |
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726 |
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727 if (*p == sentinel) { |
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|
728 break; |
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729 } |
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730 |
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731 temp = *p; |
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732 } |
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733 |
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734 *p = node; |
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735 node->parent = temp; |
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736 node->left = sentinel; |
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737 node->right = sentinel; |
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738 ngx_rbt_red(node); |
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739 } |
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740 |
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|
741 |
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742 void |
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743 ngx_http_file_cache_set_header(ngx_http_request_t *r, u_char *buf) |
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744 { |
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745 ngx_http_file_cache_header_t *h = (ngx_http_file_cache_header_t *) buf; |
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746 |
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747 u_char *p; |
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748 ngx_str_t *key; |
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749 ngx_uint_t i; |
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750 ngx_http_cache_t *c; |
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751 |
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|
752 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
753 "http file cache set header"); |
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754 |
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|
755 c = r->cache; |
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|
756 |
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|
757 h->valid_sec = c->valid_sec; |
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|
758 h->last_modified = c->last_modified; |
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759 h->date = c->date; |
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|
760 h->crc32 = c->crc32; |
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761 h->valid_msec = (u_short) c->valid_msec; |
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diff
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|
762 h->header_start = (u_short) c->header_start; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
763 h->body_start = (u_short) c->body_start; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
764 |
3a8a53c0c42f
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633
diff
changeset
|
765 p = buf + sizeof(ngx_http_file_cache_header_t); |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
766 |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
767 p = ngx_cpymem(p, ngx_http_file_cache_key, sizeof(ngx_http_file_cache_key)); |
3a8a53c0c42f
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parents:
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diff
changeset
|
768 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
769 key = c->keys.elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
770 for (i = 0; i < c->keys.nelts; i++) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
771 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
|
772 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
773 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
774 *p = LF; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
775 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
776 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
777 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
778 void |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
779 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
|
780 { |
3899
e7cd13b7f759
Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents:
3885
diff
changeset
|
781 off_t fs_size; |
2592
3a8a53c0c42f
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parents:
633
diff
changeset
|
782 ngx_int_t rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
783 ngx_file_uniq_t uniq; |
3a8a53c0c42f
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parents:
633
diff
changeset
|
784 ngx_file_info_t fi; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
785 ngx_http_cache_t *c; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
786 ngx_ext_rename_file_t ext; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
787 ngx_http_file_cache_t *cache; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
788 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
789 c = r->cache; |
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a prelimiary proxy cache support
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parents:
633
diff
changeset
|
790 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
791 if (c->updated) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
792 return; |
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 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
795 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
|
796 "http file cache update"); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
797 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
798 c->updated = 1; |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
799 c->updating = 0; |
2592
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parents:
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diff
changeset
|
800 |
3a8a53c0c42f
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parents:
633
diff
changeset
|
801 cache = c->file_cache; |
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a prelimiary proxy cache support
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parents:
633
diff
changeset
|
802 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
803 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
|
804 fs_size = 0; |
2592
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parents:
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diff
changeset
|
805 |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
806 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
|
807 "http file cache rename: \"%s\" to \"%s\"", |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
808 tf->file.name.data, c->file.name.data); |
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 ext.access = NGX_FILE_OWNER_ACCESS; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
811 ext.path_access = NGX_FILE_OWNER_ACCESS; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
812 ext.time = -1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
813 ext.create_path = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
814 ext.delete_file = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
815 ext.log = r->connection->log; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
816 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
817 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
|
818 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
819 if (rc == NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
820 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
821 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
|
822 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
|
823 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
|
824 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
825 rc = NGX_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
826 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
827 } else { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
828 uniq = ngx_file_uniq(&fi); |
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Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents:
3885
diff
changeset
|
829 fs_size = (ngx_file_fs_size(&fi) + cache->bsize - 1) / cache->bsize; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
633
diff
changeset
|
830 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
831 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
832 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
833 ngx_shmtx_lock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
834 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
835 c->node->count--; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
836 c->node->uniq = uniq; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
837 c->node->body_start = c->body_start; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
838 |
3899
e7cd13b7f759
Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents:
3885
diff
changeset
|
839 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
|
840 c->node->fs_size = fs_size; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
841 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
842 if (rc == NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
843 c->node->exists = 1; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
844 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
845 |
2927
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
846 c->node->updating = 0; |
55ceaef03d34
proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents:
2926
diff
changeset
|
847 |
2592
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a prelimiary proxy cache support
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parents:
633
diff
changeset
|
848 ngx_shmtx_unlock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
849 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
850 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
851 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
852 ngx_int_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
853 ngx_http_cache_send(ngx_http_request_t *r) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
854 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
855 ngx_int_t rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
856 ngx_buf_t *b; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
857 ngx_chain_t out; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
858 ngx_http_cache_t *c; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
859 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
860 c = r->cache; |
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 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
863 "http file cache send: %s", c->file.name.data); |
2592
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parents:
633
diff
changeset
|
864 |
4248 | 865 if (r != r->main && c->length - c->body_start == 0) { |
866 return ngx_http_send_header(r); | |
867 } | |
868 | |
2592
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633
diff
changeset
|
869 /* 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
|
870 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
871 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
872 if (b == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
873 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
874 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
875 |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
876 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
|
877 if (b->file == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
878 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
879 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
880 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
881 rc = ngx_http_send_header(r); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
882 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
883 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
|
884 return rc; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
885 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
886 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
887 b->file_pos = c->body_start; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
888 b->file_last = c->length; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
889 |
4248 | 890 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
|
891 b->last_buf = (r == r->main) ? 1: 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
892 b->last_in_chain = 1; |
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 b->file->fd = c->file.fd; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
895 b->file->name = c->file.name; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
896 b->file->log = r->connection->log; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
897 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
898 out.buf = b; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
899 out.next = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
900 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
901 return ngx_http_output_filter(r, &out); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
902 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
903 |
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 void |
3711
ce6ba077c270
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Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
906 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
|
907 { |
3694
dfb17155eca9
delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents:
3526
diff
changeset
|
908 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
|
909 ngx_http_file_cache_node_t *fcn; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
910 |
3917
2a70484a6580
fix a broken cached response if bypass/no_cache directive values are different,
Igor Sysoev <igor@sysoev.ru>
parents:
3899
diff
changeset
|
911 if (c->updated || c->node == NULL) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
912 return; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
913 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
914 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
915 cache = c->file_cache; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
916 |
3713
f0b62d1ac7af
move debug logging inside ngx_http_file_cache_free()
Igor Sysoev <igor@sysoev.ru>
parents:
3711
diff
changeset
|
917 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
|
918 "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
|
919 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
920 ngx_shmtx_lock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
921 |
3694
dfb17155eca9
delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents:
3526
diff
changeset
|
922 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
|
923 fcn->count--; |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
924 |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
925 if (c->updating) { |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
926 fcn->updating = 0; |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
927 } |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
928 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
929 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
|
930 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
|
931 |
3743
c469ffeab569
error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents:
3732
diff
changeset
|
932 if (c->valid_sec) { |
c469ffeab569
error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents:
3732
diff
changeset
|
933 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
|
934 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
|
935 } |
c469ffeab569
error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents:
3732
diff
changeset
|
936 |
3723
14ad3210fc73
do not free unused cache node if cache min_uses > 1,
Igor Sysoev <igor@sysoev.ru>
parents:
3713
diff
changeset
|
937 } 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
|
938 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
|
939 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
|
940 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
|
941 c->node = NULL; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
942 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
943 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
944 ngx_shmtx_unlock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
945 |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
946 c->updated = 1; |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
947 c->updating = 0; |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
948 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
949 if (c->temp_file) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
950 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
|
951 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
|
952 "http file cache incomplete: \"%s\"", |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
953 tf->file.name.data); |
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 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
|
956 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
|
957 ngx_delete_file_n " \"%s\" failed", |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
958 tf->file.name.data); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
959 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
960 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
961 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
962 } |
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 static void |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
966 ngx_http_file_cache_cleanup(void *data) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
967 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
968 ngx_http_cache_t *c = data; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
969 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
970 if (c->updated) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
971 return; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
972 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
973 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
974 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
|
975 "http file cache cleanup"); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
976 |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
977 if (c->updating) { |
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
978 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
|
979 "stalled cache updating, error:%ui", c->error); |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
980 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
981 |
3711
ce6ba077c270
several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents:
3710
diff
changeset
|
982 ngx_http_file_cache_free(c, NULL); |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
983 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
984 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
985 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
986 static time_t |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
987 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
|
988 { |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
989 u_char *name; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
990 size_t len; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
991 time_t wait; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
992 ngx_uint_t tries; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
993 ngx_path_t *path; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
994 ngx_queue_t *q; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
995 ngx_http_file_cache_node_t *fcn; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
996 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
997 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
|
998 "http file cache forced expire"); |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
999 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1000 path = cache->path; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1001 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
|
1002 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1003 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
|
1004 if (name == NULL) { |
2694
49a1382b249b
set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents:
2693
diff
changeset
|
1005 return 10; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1006 } |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1007 |
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1008 ngx_memcpy(name, path->name.data, path->name.len); |
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1009 |
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1010 wait = 10; |
3728 | 1011 tries = 20; |
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1012 |
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1013 ngx_shmtx_lock(&cache->shpool->mutex); |
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1014 |
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1015 for (q = ngx_queue_last(&cache->sh->queue); |
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1016 q != ngx_queue_sentinel(&cache->sh->queue); |
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1017 q = ngx_queue_prev(q)) |
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1018 { |
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1019 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue); |
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1020 |
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1021 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
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1022 "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd", |
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1023 fcn->count, fcn->exists, |
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1024 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]); |
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|
1025 |
3727 | 1026 if (fcn->count == 0) { |
1027 ngx_http_file_cache_delete(cache, q, name); | |
3885 | 1028 wait = 0; |
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1029 |
3727 | 1030 } else { |
3728 | 1031 if (--tries) { |
2616
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1032 continue; |
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1033 } |
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1034 |
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1035 wait = 1; |
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1036 } |
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1037 |
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1038 break; |
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1039 } |
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1040 |
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1041 ngx_shmtx_unlock(&cache->shpool->mutex); |
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1042 |
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1043 ngx_free(name); |
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1044 |
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1045 return wait; |
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1046 } |
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1047 |
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1048 |
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1049 static time_t |
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1050 ngx_http_file_cache_expire(ngx_http_file_cache_t *cache) |
2592
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1051 { |
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1052 u_char *name, *p; |
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1053 size_t len; |
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1054 time_t now, wait; |
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1055 ngx_path_t *path; |
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1056 ngx_queue_t *q; |
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1057 ngx_http_file_cache_node_t *fcn; |
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1058 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN]; |
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1059 |
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1060 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
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1061 "http file cache expire"); |
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1062 |
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1063 path = cache->path; |
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1064 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN; |
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1065 |
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1066 name = ngx_alloc(len + 1, ngx_cycle->log); |
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1067 if (name == NULL) { |
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1068 return 10; |
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1069 } |
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1070 |
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1071 ngx_memcpy(name, path->name.data, path->name.len); |
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1072 |
2592
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1073 now = ngx_time(); |
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1074 |
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1075 ngx_shmtx_lock(&cache->shpool->mutex); |
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1076 |
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1077 for ( ;; ) { |
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1078 |
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1079 if (ngx_queue_empty(&cache->sh->queue)) { |
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1080 wait = 10; |
2592
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1081 break; |
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1082 } |
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1083 |
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1084 q = ngx_queue_last(&cache->sh->queue); |
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1085 |
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1086 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue); |
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1087 |
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1088 wait = fcn->expire - now; |
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1089 |
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1090 if (wait > 0) { |
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1091 wait = wait > 10 ? 10 : wait; |
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1092 break; |
2592
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1093 } |
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1094 |
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1095 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
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1096 "http file cache expire: #%d %d %02xd%02xd%02xd%02xd", |
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1097 fcn->count, fcn->exists, |
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1098 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]); |
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1099 |
3727 | 1100 if (fcn->count == 0) { |
1101 ngx_http_file_cache_delete(cache, q, name); | |
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1102 continue; |
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1103 } |
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1104 |
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1105 if (fcn->deleting) { |
3942
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1106 wait = 1; |
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1107 break; |
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1108 } |
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1109 |
3727 | 1110 p = ngx_hex_dump(key, (u_char *) &fcn->node.key, |
1111 sizeof(ngx_rbtree_key_t)); | |
1112 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t); | |
1113 (void) ngx_hex_dump(p, fcn->key, len); | |
1114 | |
1115 /* | |
1116 * abnormally exited workers may leave locked cache entries, | |
1117 * and although it may be safe to remove them completely, | |
4436
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1118 * we prefer to just move them to the top of the inactive queue |
3727 | 1119 */ |
1120 | |
1121 ngx_queue_remove(q); | |
4436
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1122 fcn->expire = ngx_time() + cache->inactive; |
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1123 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue); |
3727 | 1124 |
1125 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, | |
1126 "ignore long locked inactive cache entry %*s, count:%d", | |
1127 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count); | |
2592
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1128 } |
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1129 |
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1130 ngx_shmtx_unlock(&cache->shpool->mutex); |
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1131 |
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1132 ngx_free(name); |
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1133 |
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1134 return wait; |
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1135 } |
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1136 |
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1137 |
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1138 static void |
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1139 ngx_http_file_cache_delete(ngx_http_file_cache_t *cache, ngx_queue_t *q, |
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1140 u_char *name) |
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1141 { |
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1142 u_char *p; |
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1143 size_t len; |
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1144 ngx_path_t *path; |
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1145 ngx_http_file_cache_node_t *fcn; |
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1146 |
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1147 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue); |
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1148 |
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1149 if (fcn->exists) { |
3899
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1150 cache->sh->size -= fcn->fs_size; |
2616
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1151 |
3726
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1152 path = cache->path; |
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1153 p = name + path->name.len + 1 + path->len; |
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1154 p = ngx_hex_dump(p, (u_char *) &fcn->node.key, |
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1155 sizeof(ngx_rbtree_key_t)); |
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1156 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t); |
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1157 p = ngx_hex_dump(p, fcn->key, len); |
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1158 *p = '\0'; |
2616
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1159 |
3726
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1160 fcn->count++; |
3755
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1161 fcn->deleting = 1; |
3726
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1162 ngx_shmtx_unlock(&cache->shpool->mutex); |
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1163 |
3726
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1164 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN; |
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1165 ngx_create_hashed_filename(path, name, len); |
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1166 |
3726
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1167 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
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1168 "http file cache expire: \"%s\"", name); |
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1169 |
3726
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1170 if (ngx_delete_file(name) == NGX_FILE_ERROR) { |
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1171 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, ngx_errno, |
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1172 ngx_delete_file_n " \"%s\" failed", name); |
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1173 } |
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1174 |
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1175 ngx_shmtx_lock(&cache->shpool->mutex); |
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1176 fcn->count--; |
3755
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1177 fcn->deleting = 0; |
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1178 } |
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1179 |
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1180 if (fcn->count == 0) { |
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1181 ngx_queue_remove(q); |
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1182 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node); |
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1183 ngx_slab_free_locked(cache->shpool, fcn); |
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1184 } |
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1185 } |
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1186 |
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1187 |
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1188 static time_t |
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1189 ngx_http_file_cache_manager(void *data) |
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1190 { |
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1191 ngx_http_file_cache_t *cache = data; |
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1192 |
3018 | 1193 off_t size; |
3885 | 1194 time_t next, wait; |
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1195 |
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1196 next = ngx_http_file_cache_expire(cache); |
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1197 |
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1198 cache->last = ngx_current_msec; |
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1199 cache->files = 0; |
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1200 |
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1201 for ( ;; ) { |
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1202 ngx_shmtx_lock(&cache->shpool->mutex); |
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1203 |
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1204 size = cache->sh->size; |
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1205 |
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1206 ngx_shmtx_unlock(&cache->shpool->mutex); |
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1207 |
2631 | 1208 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
1209 "http file cache size: %O", size); | |
1210 | |
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1211 if (size < cache->max_size) { |
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1212 return next; |
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1213 } |
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1214 |
3885 | 1215 wait = ngx_http_file_cache_forced_expire(cache); |
1216 | |
1217 if (wait > 0) { | |
1218 return wait; | |
1219 } | |
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1220 |
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1221 if (ngx_quit || ngx_terminate) { |
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1222 return next; |
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1223 } |
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1224 } |
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1225 } |
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1226 |
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1227 |
3018 | 1228 static void |
1229 ngx_http_file_cache_loader(void *data) | |
1230 { | |
1231 ngx_http_file_cache_t *cache = data; | |
1232 | |
1233 ngx_tree_ctx_t tree; | |
1234 | |
1235 if (!cache->sh->cold || cache->sh->loading) { | |
1236 return; | |
1237 } | |
1238 | |
1239 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) { | |
1240 return; | |
1241 } | |
1242 | |
1243 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, | |
1244 "http file cache loader"); | |
1245 | |
1246 tree.init_handler = NULL; | |
1247 tree.file_handler = ngx_http_file_cache_manage_file; | |
1248 tree.pre_tree_handler = ngx_http_file_cache_noop; | |
1249 tree.post_tree_handler = ngx_http_file_cache_noop; | |
1250 tree.spec_handler = ngx_http_file_cache_delete_file; | |
1251 tree.data = cache; | |
1252 tree.alloc = 0; | |
1253 tree.log = ngx_cycle->log; | |
1254 | |
1255 cache->last = ngx_current_msec; | |
1256 cache->files = 0; | |
1257 | |
1258 if (ngx_walk_tree(&tree, &cache->path->name) == NGX_ABORT) { | |
3020
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1259 cache->sh->loading = 0; |
3018 | 1260 return; |
1261 } | |
1262 | |
1263 cache->sh->cold = 0; | |
1264 cache->sh->loading = 0; | |
1265 | |
1266 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, | |
1267 "http file cache: %V %.3fM, bsize: %uz", | |
1268 &cache->path->name, | |
1269 ((double) cache->sh->size * cache->bsize) / (1024 * 1024), | |
1270 cache->bsize); | |
1271 } | |
1272 | |
1273 | |
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1274 static ngx_int_t |
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1275 ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache) |
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1276 { |
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1277 ngx_msec_t elapsed; |
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1278 |
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1279 if (cache->files++ > 100) { |
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1280 |
3475
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1281 ngx_time_update(); |
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1282 |
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1283 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last)); |
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1284 |
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1285 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, |
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1286 "http file cache manager time: %M", elapsed); |
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1287 |
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1288 if (elapsed > 200) { |
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1289 |
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1290 /* |
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1291 * if processing 100 files takes more than 200ms, |
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1292 * it seems that many operations require disk i/o, |
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1293 * therefore sleep 200ms |
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1294 */ |
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1295 |
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1296 ngx_msleep(200); |
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1297 |
3475
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1298 ngx_time_update(); |
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1299 } |
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1300 |
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1301 cache->last = ngx_current_msec; |
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1302 cache->files = 0; |
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1303 } |
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1304 |
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1305 return (ngx_quit || ngx_terminate) ? NGX_ABORT : NGX_OK; |
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1306 } |
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1307 |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
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|
1308 |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
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|
1309 static ngx_int_t |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1310 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>
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633
diff
changeset
|
1311 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1312 return NGX_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1313 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1314 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1315 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1316 static ngx_int_t |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1317 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>
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633
diff
changeset
|
1318 { |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
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parents:
2611
diff
changeset
|
1319 ngx_http_file_cache_t *cache; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1320 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1321 cache = ctx->data; |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1322 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1323 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
|
1324 (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
|
1325 } |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1326 |
4039
ee270f311dea
Merge of r3972, r3973, r3974:
Igor Sysoev <igor@sysoev.ru>
parents:
4038
diff
changeset
|
1327 return ngx_http_file_cache_loader_sleep(cache); |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1328 } |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1329 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1330 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1331 static ngx_int_t |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1332 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
|
1333 { |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1334 u_char *p; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1335 ngx_int_t n; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1336 ngx_uint_t i; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1337 ngx_http_cache_t c; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1338 ngx_http_file_cache_t *cache; |
2616
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
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|
1339 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1340 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
|
1341 return NGX_ERROR; |
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1342 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1343 |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1344 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
|
1345 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
|
1346 "cache file \"%s\" is too small", name->data); |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
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|
1347 return NGX_ERROR; |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1348 } |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1349 |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1350 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
|
1351 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
|
1352 |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1353 c.length = ctx->size; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1354 c.fs_size = (ctx->fs_size + cache->bsize - 1) / cache->bsize; |
2616
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1355 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1356 p = &name->data[name->len - 2 * NGX_HTTP_CACHE_KEY_LEN]; |
2592
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a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1357 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1358 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
|
1359 n = ngx_hextoi(p, 2); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1360 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1361 if (n == NGX_ERROR) { |
2616
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1362 return NGX_ERROR; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1363 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1364 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1365 p += 2; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1366 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1367 c.key[i] = (u_char) n; |
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1368 } |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1369 |
2616
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1370 return ngx_http_file_cache_add(cache, &c); |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1371 } |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1372 |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1373 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1374 static ngx_int_t |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1375 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>
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2611
diff
changeset
|
1376 { |
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Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1377 ngx_http_file_cache_node_t *fcn; |
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Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
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|
1378 |
2592
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a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1379 ngx_shmtx_lock(&cache->shpool->mutex); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1380 |
2616
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1381 fcn = ngx_http_file_cache_lookup(cache, c->key); |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1382 |
d19979e0d980
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diff
changeset
|
1383 if (fcn == NULL) { |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1384 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1385 fcn = ngx_slab_alloc_locked(cache->shpool, |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1386 sizeof(ngx_http_file_cache_node_t)); |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1387 if (fcn == NULL) { |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1388 ngx_shmtx_unlock(&cache->shpool->mutex); |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1389 return NGX_ERROR; |
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parents:
2611
diff
changeset
|
1390 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1391 |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1392 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>
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diff
changeset
|
1393 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1394 ngx_memcpy(fcn->key, &c->key[sizeof(ngx_rbtree_key_t)], |
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parents:
2611
diff
changeset
|
1395 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t)); |
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introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1396 |
2720
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diff
changeset
|
1397 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node); |
2616
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diff
changeset
|
1398 |
d19979e0d980
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diff
changeset
|
1399 fcn->uses = 1; |
d19979e0d980
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parents:
2611
diff
changeset
|
1400 fcn->count = 0; |
4038
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Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
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changeset
|
1401 fcn->valid_msec = 0; |
2616
d19979e0d980
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2611
diff
changeset
|
1402 fcn->error = 0; |
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parents:
2611
diff
changeset
|
1403 fcn->exists = 1; |
3744
77b18d36d123
zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents:
3743
diff
changeset
|
1404 fcn->updating = 0; |
3755
76e3a93821b1
fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents:
3744
diff
changeset
|
1405 fcn->deleting = 0; |
4038
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
parents:
4037
diff
changeset
|
1406 fcn->uniq = 0; |
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Merge of r3966, r3967, r3968, r3969, r3970, r3971:
Igor Sysoev <igor@sysoev.ru>
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changeset
|
1407 fcn->valid_sec = 0; |
30519bb5621d
Merge of r3966, r3967, r3968, r3969, r3970, r3971:
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diff
changeset
|
1408 fcn->body_start = 0; |
3899
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Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents:
3885
diff
changeset
|
1409 fcn->fs_size = c->fs_size; |
2616
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1410 |
3899
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Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
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3885
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changeset
|
1411 cache->sh->size += c->fs_size; |
2616
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2611
diff
changeset
|
1412 |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1413 } else { |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1414 ngx_queue_remove(&fcn->queue); |
d19979e0d980
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parents:
2611
diff
changeset
|
1415 } |
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parents:
2611
diff
changeset
|
1416 |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1417 fcn->expire = ngx_time() + cache->inactive; |
d19979e0d980
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Igor Sysoev <igor@sysoev.ru>
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2611
diff
changeset
|
1418 |
2720
b3b8c66bd520
support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
2716
diff
changeset
|
1419 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue); |
2592
3a8a53c0c42f
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parents:
633
diff
changeset
|
1420 |
3a8a53c0c42f
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633
diff
changeset
|
1421 ngx_shmtx_unlock(&cache->shpool->mutex); |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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633
diff
changeset
|
1422 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1423 return NGX_OK; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1424 } |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1425 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1426 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1427 static ngx_int_t |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1428 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
|
1429 { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1430 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
|
1431 "http file cache delete: \"%s\"", path->data); |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1432 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1433 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1434 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
|
1435 ngx_delete_file_n " \"%s\" failed", path->data); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1436 } |
477 | 1437 |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1438 return NGX_OK; |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1439 } |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1440 |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1441 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1442 time_t |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1443 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
|
1444 { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1445 ngx_uint_t i; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1446 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
|
1447 |
2626
b0cfe5f66e8d
fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
1448 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
|
1449 return 0; |
b0cfe5f66e8d
fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
1450 } |
b0cfe5f66e8d
fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
1451 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1452 valid = cache_valid->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1453 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
|
1454 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1455 if (valid[i].status == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1456 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
|
1457 } |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1458 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1459 if (valid[i].status == status) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1460 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
|
1461 } |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1462 } |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1463 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1464 return 0; |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1465 } |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1466 |
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1467 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1468 char * |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1469 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
|
1470 { |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1471 off_t max_size; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1472 u_char *last, *p; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1473 time_t inactive; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1474 ssize_t size; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1475 ngx_str_t s, name, *value; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1476 ngx_uint_t i, n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1477 ngx_http_file_cache_t *cache; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1478 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1479 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
|
1480 if (cache == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1481 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1482 } |
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 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
|
1485 if (cache->path == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1486 return NGX_CONF_ERROR; |
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 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1489 inactive = 600; |
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 name.len = 0; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1492 size = 0; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1493 max_size = NGX_MAX_OFF_T_VALUE; |
2592
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 value = cf->args->elts; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1496 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1497 cache->path->name = value[1]; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1498 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1499 if (cache->path->name.data[cache->path->name.len - 1] == '/') { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1500 cache->path->name.len--; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1501 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1502 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1503 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
|
1504 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1505 } |
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 for (i = 2; i < cf->args->nelts; i++) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1508 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1509 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1510 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1511 p = value[i].data + 7; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1512 last = value[i].data + value[i].len; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1513 |
2671 | 1514 for (n = 0; n < 3 && p < last; n++) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1515 |
2671 | 1516 if (*p > '0' && *p < '3') { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1517 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1518 cache->path->level[n] = *p++ - '0'; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1519 cache->path->len += cache->path->level[n] + 1; |
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 if (p == last) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1522 break; |
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 |
2671 | 1525 if (*p++ == ':' && n < 2 && p != last) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1526 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1527 } |
2671 | 1528 |
1529 goto invalid_levels; | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1530 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1531 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1532 goto invalid_levels; |
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 (cache->path->len < 10 + 3) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1536 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1537 } |
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 invalid_levels: |
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 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1542 "invalid \"levels\" \"%V\"", &value[i]); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1543 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1544 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1545 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1546 if (ngx_strncmp(value[i].data, "keys_zone=", 10) == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1547 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1548 name.data = value[i].data + 10; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1549 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1550 p = (u_char *) ngx_strchr(name.data, ':'); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1551 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1552 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
|
1553 *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
|
1554 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1555 name.len = p - name.data; |
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 p++; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1558 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1559 s.len = value[i].data + value[i].len - p; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1560 s.data = p; |
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 size = ngx_parse_size(&s); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1563 if (size > 8191) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1564 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1565 } |
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 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1568 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1569 "invalid keys zone size \"%V\"", &value[i]); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1570 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1571 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1572 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1573 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1574 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1575 s.len = value[i].len - 9; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1576 s.data = value[i].data + 9; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1577 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1578 inactive = ngx_parse_time(&s, 1); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1579 if (inactive < 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1580 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1581 "invalid inactive value \"%V\"", &value[i]); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1582 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1583 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1584 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1585 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1586 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1587 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1588 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
|
1589 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1590 s.len = value[i].len - 9; |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1591 s.data = value[i].data + 9; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1592 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1593 max_size = ngx_parse_offset(&s); |
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1594 if (max_size < 0) { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1595 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
|
1596 "invalid max_size value \"%V\"", &value[i]); |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1597 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1598 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1599 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1600 continue; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1601 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1602 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1603 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1604 "invalid parameter \"%V\"", &value[i]); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1605 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1606 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1607 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1608 if (name.len == 0 || size == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1609 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1610 "\"%V\" must have \"keys_zone\" parameter", |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1611 &cmd->name); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1612 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1613 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1614 |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1615 cache->path->manager = ngx_http_file_cache_manager; |
3018 | 1616 cache->path->loader = ngx_http_file_cache_loader; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1617 cache->path->data = cache; |
4039
ee270f311dea
Merge of r3972, r3973, r3974:
Igor Sysoev <igor@sysoev.ru>
parents:
4038
diff
changeset
|
1618 cache->path->conf_file = cf->conf_file->file.name.data; |
ee270f311dea
Merge of r3972, r3973, r3974:
Igor Sysoev <igor@sysoev.ru>
parents:
4038
diff
changeset
|
1619 cache->path->line = cf->conf_file->line; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1620 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1621 if (ngx_add_path(cf, &cache->path) != NGX_OK) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1622 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1623 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1624 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1625 cache->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
|
1626 if (cache->shm_zone == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1627 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1628 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1629 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1630 if (cache->shm_zone->data) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1631 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1632 "duplicate zone \"%V\"", &name); |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1633 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1634 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1635 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1636 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1637 cache->shm_zone->init = ngx_http_file_cache_init; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1638 cache->shm_zone->data = cache; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1639 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1640 cache->inactive = inactive; |
2616
d19979e0d980
introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents:
2611
diff
changeset
|
1641 cache->max_size = max_size; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1642 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1643 return NGX_CONF_OK; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1644 } |
477 | 1645 |
1646 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1647 char * |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1648 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
|
1649 void *conf) |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1650 { |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1651 char *p = conf; |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1652 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1653 time_t valid; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1654 ngx_str_t *value; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1655 ngx_uint_t i, n, status; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1656 ngx_array_t **a; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1657 ngx_http_cache_valid_t *v; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1658 static ngx_uint_t statuses[] = { 200, 301, 302 }; |
477 | 1659 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1660 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
|
1661 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1662 if (*a == NGX_CONF_UNSET_PTR) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1663 *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
|
1664 if (*a == NULL) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1665 return NGX_CONF_ERROR; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1666 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1667 } |
202
74994aeef848
nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1668 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
1669 value = cf->args->elts; |
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1670 n = cf->args->nelts - 1; |
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1671 |
2592
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1672 valid = ngx_parse_time(&value[n], 1); |
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1673 if (valid < 0) { |
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1674 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1675 "invalid time value \"%V\"", &value[n]); |
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1676 return NGX_CONF_ERROR; |
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1677 } |
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1678 |
2592
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1679 if (n == 1) { |
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|
1680 |
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|
1681 for (i = 0; i < 3; i++) { |
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|
1682 v = ngx_array_push(*a); |
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|
1683 if (v == NULL) { |
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1684 return NGX_CONF_ERROR; |
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|
1685 } |
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|
1686 |
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1687 v->status = statuses[i]; |
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1688 v->valid = valid; |
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|
1689 } |
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|
1690 |
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1691 return NGX_CONF_OK; |
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1692 } |
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1693 |
2592
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1694 for (i = 1; i < n; i++) { |
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|
1695 |
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1696 if (ngx_strcmp(value[i].data, "any") == 0) { |
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1697 |
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1698 status = 0; |
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|
1699 |
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1700 } else { |
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1701 |
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1702 status = ngx_atoi(value[i].data, value[i].len); |
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1703 if (status < 100) { |
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1704 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1705 "invalid status \"%V\"", &value[i]); |
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1706 return NGX_CONF_ERROR; |
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1707 } |
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1708 } |
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|
1709 |
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1710 v = ngx_array_push(*a); |
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1711 if (v == NULL) { |
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1712 return NGX_CONF_ERROR; |
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|
1713 } |
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|
1714 |
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|
1715 v->status = status; |
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|
1716 v->valid = valid; |
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|
1717 } |
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|
1718 |
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1719 return NGX_CONF_OK; |
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1720 } |