annotate src/http/ngx_http_file_cache.c @ 5898:f0af7ba616d8

Cache: removed dead store in ngx_http_file_cache_vary_header(). Found by Clang Static Analyzer.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 05 Nov 2014 18:53:26 +0300
parents ee9230cd4bda
children 2f7e557eab5b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11 #include <ngx_md5.h>
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13
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14 static ngx_int_t ngx_http_file_cache_lock(ngx_http_request_t *r,
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15 ngx_http_cache_t *c);
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16 static void ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev);
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17 static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r,
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18 ngx_http_cache_t *c);
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19 static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r,
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20 ngx_http_cache_t *c);
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21 #if (NGX_HAVE_FILE_AIO)
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22 static void ngx_http_cache_aio_event_handler(ngx_event_t *ev);
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23 #endif
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24 static ngx_int_t ngx_http_file_cache_exists(ngx_http_file_cache_t *cache,
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25 ngx_http_cache_t *c);
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26 static ngx_int_t ngx_http_file_cache_name(ngx_http_request_t *r,
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27 ngx_path_t *path);
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28 static ngx_http_file_cache_node_t *
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29 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key);
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30 static void ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
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31 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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32 static void ngx_http_file_cache_vary(ngx_http_request_t *r, u_char *vary,
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33 size_t len, u_char *hash);
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34 static void ngx_http_file_cache_vary_header(ngx_http_request_t *r,
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35 ngx_md5_t *md5, ngx_str_t *name);
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36 static ngx_int_t ngx_http_file_cache_reopen(ngx_http_request_t *r,
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37 ngx_http_cache_t *c);
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38 static void ngx_http_file_cache_cleanup(void *data);
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39 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache);
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40 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache);
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41 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache,
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42 ngx_queue_t *q, u_char *name);
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43 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
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44 static ngx_int_t ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx,
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45 ngx_str_t *path);
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46 static ngx_int_t ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx,
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47 ngx_str_t *path);
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48 static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx,
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49 ngx_str_t *path);
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50 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache,
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51 ngx_http_cache_t *c);
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52 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx,
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53 ngx_str_t *path);
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54
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55
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56 ngx_str_t ngx_http_cache_status[] = {
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57 ngx_string("MISS"),
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58 ngx_string("BYPASS"),
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59 ngx_string("EXPIRED"),
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60 ngx_string("STALE"),
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61 ngx_string("UPDATING"),
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62 ngx_string("REVALIDATED"),
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63 ngx_string("HIT")
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64 };
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65
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66
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67 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' };
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68
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69
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70 static ngx_int_t
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71 ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
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72 {
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73 ngx_http_file_cache_t *ocache = data;
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74
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75 size_t len;
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76 ngx_uint_t n;
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77 ngx_http_file_cache_t *cache;
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78
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79 cache = shm_zone->data;
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80
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81 if (ocache) {
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82 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) {
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83 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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84 "cache \"%V\" uses the \"%V\" cache path "
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85 "while previously it used the \"%V\" cache path",
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86 &shm_zone->shm.name, &cache->path->name,
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87 &ocache->path->name);
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88
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89 return NGX_ERROR;
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90 }
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91
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92 for (n = 0; n < 3; n++) {
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93 if (cache->path->level[n] != ocache->path->level[n]) {
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94 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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95 "cache \"%V\" had previously different levels",
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96 &shm_zone->shm.name);
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97 return NGX_ERROR;
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98 }
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99 }
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100
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101 cache->sh = ocache->sh;
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102
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103 cache->shpool = ocache->shpool;
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104 cache->bsize = ocache->bsize;
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105
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106 cache->max_size /= cache->bsize;
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107
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108 if (!cache->sh->cold || cache->sh->loading) {
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109 cache->path->loader = NULL;
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110 }
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111
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112 return NGX_OK;
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113 }
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114
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115 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
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116
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117 if (shm_zone->shm.exists) {
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118 cache->sh = cache->shpool->data;
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119 cache->bsize = ngx_fs_bsize(cache->path->name.data);
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120
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121 return NGX_OK;
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122 }
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123
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124 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t));
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125 if (cache->sh == NULL) {
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3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
126 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
127 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
128
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
129 cache->shpool->data = cache->sh;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
130
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
131 ngx_rbtree_init(&cache->sh->rbtree, &cache->sh->sentinel,
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
132 ngx_http_file_cache_rbtree_insert_value);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
133
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
134 ngx_queue_init(&cache->sh->queue);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
135
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
136 cache->sh->cold = 1;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
137 cache->sh->loading = 0;
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
138 cache->sh->size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
139
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
140 cache->bsize = ngx_fs_bsize(cache->path->name.data);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
141
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
142 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
143
2716
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
144 len = sizeof(" in cache keys zone \"\"") + shm_zone->shm.name.len;
2611
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
145
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
146 cache->shpool->log_ctx = ngx_slab_alloc(cache->shpool, len);
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
147 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
148 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
149 }
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
150
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
151 ngx_sprintf(cache->shpool->log_ctx, " in cache keys zone \"%V\"%Z",
2716
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
152 &shm_zone->shm.name);
2611
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
153
5822
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
154 cache->shpool->log_nomem = 0;
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
155
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
156 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
157 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
158
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
159
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
160 ngx_int_t
3698
d11227f0107f rename ngx_http_file_cache_create() to ngx_http_file_cache_new()
Igor Sysoev <igor@sysoev.ru>
parents: 3697
diff changeset
161 ngx_http_file_cache_new(ngx_http_request_t *r)
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
162 {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
163 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
164
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
165 c = ngx_pcalloc(r->pool, sizeof(ngx_http_cache_t));
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
166 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
167 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
168 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
169
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
170 if (ngx_array_init(&c->keys, r->pool, 4, sizeof(ngx_str_t)) != NGX_OK) {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
171 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
172 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
173
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
174 r->cache = c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
175 c->file.log = r->connection->log;
3704
f220e5a5fb5e initialize r->cache->file.fd with NGX_INVALID_FILE
Igor Sysoev <igor@sysoev.ru>
parents: 3699
diff changeset
176 c->file.fd = NGX_INVALID_FILE;
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
177
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
178 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
179 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
180
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
181
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
182 ngx_int_t
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
183 ngx_http_file_cache_create(ngx_http_request_t *r)
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
184 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
185 ngx_http_cache_t *c;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
186 ngx_pool_cleanup_t *cln;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
187 ngx_http_file_cache_t *cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
188
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
189 c = r->cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
190 cache = c->file_cache;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
191
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
192 cln = ngx_pool_cleanup_add(r->pool, 0);
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
193 if (cln == NULL) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
194 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
195 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
196
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
197 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
198 cln->data = c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
199
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
200 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
201 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
202 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
203
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
204 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
205 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
206 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
207
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
208 return NGX_OK;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
209 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
210
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
211
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
212 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
213 ngx_http_file_cache_create_key(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
214 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
215 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
216 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
217 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
218 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
219 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
220
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
221 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
222
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
223 len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
224
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
225 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
226 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
227
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
228 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
229 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
230 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
231 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
232
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
233 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
234
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
235 ngx_crc32_update(&c->crc32, key[i].data, key[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
236 ngx_md5_update(&md5, key[i].data, key[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
237 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
238
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
239 c->header_start = sizeof(ngx_http_file_cache_header_t)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
240 + sizeof(ngx_http_file_cache_key) + len + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
241
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
242 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
243 ngx_md5_final(c->key, &md5);
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
244
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
245 ngx_memcpy(c->main, c->key, NGX_HTTP_CACHE_KEY_LEN);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
246 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
247
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
248
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
249 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
250 ngx_http_file_cache_open(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
251 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
252 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
253 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
254 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
255 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
256 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
257 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
258 ngx_http_core_loc_conf_t *clcf;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
259
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
260 c = r->cache;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
261
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
262 if (c->waiting) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
263 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
264 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
265
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
266 if (c->reading) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
267 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
268 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
269
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
270 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
271
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
272 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
273 cln = ngx_pool_cleanup_add(r->pool, 0);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
274 if (cln == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
275 return NGX_ERROR;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
276 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
277
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
278 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
279 cln->data = c;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
280 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
281
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
282 rc = ngx_http_file_cache_exists(cache, c);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
283
2926
80a314b63c56 delete useless r->cache->uses
Igor Sysoev <igor@sysoev.ru>
parents: 2925
diff changeset
284 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
80a314b63c56 delete useless r->cache->uses
Igor Sysoev <igor@sysoev.ru>
parents: 2925
diff changeset
285 "http file cache exists: %i e:%d", rc, c->exists);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
286
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
287 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
288 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
289 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
290
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
291 if (rc == NGX_AGAIN) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
292 return NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
293 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
294
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
295 cold = cache->sh->cold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
296
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
297 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
298
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
299 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
300 return c->error;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
301 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
302
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
303 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
304 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
305 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
306
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
307 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
308
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
309 if (c->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
310
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
311 if (!cold) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
312 return NGX_HTTP_CACHE_SCARCE;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
313 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
314
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
315 test = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
316 rv = NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
317
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
318 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
319 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
320 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
321 rv = NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
324
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
325 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
326 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
327 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
328
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
329 if (!test) {
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
330 goto done;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
331 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
332
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
333 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
334
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
335 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
336
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
337 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
338 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
339 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
340 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
341 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178
975f0558aab3 read_ahead
Igor Sysoev <igor@sysoev.ru>
parents: 3136
diff changeset
342 of.read_ahead = clcf->read_ahead;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
343
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
344 if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
345 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
346 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
347 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
348
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
349 case 0:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
350 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
351
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
352 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
353 case NGX_ENOTDIR:
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
354 goto done;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
355
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
356 default:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
357 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
358 ngx_open_file_n " \"%s\" failed", c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
359 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
360 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
361 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
362
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
363 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
364 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
365
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
366 c->file.fd = of.fd;
2603
f9bd7999eb08 fix segfault if ngx_read_file() will fail
Igor Sysoev <igor@sysoev.ru>
parents: 2600
diff changeset
367 c->file.log = r->connection->log;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
368 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
369 c->length = of.size;
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
370 c->fs_size = (of.fs_size + cache->bsize - 1) / cache->bsize;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
371
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
372 c->buf = ngx_create_temp_buf(r->pool, c->body_start);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
373 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
374 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
375 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
376
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
377 return ngx_http_file_cache_read(r, c);
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
378
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
379 done:
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
380
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
381 if (rv == NGX_DECLINED) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
382 return ngx_http_file_cache_lock(r, c);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
383 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
384
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
385 return rv;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
386 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
387
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
388
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
389 static ngx_int_t
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
390 ngx_http_file_cache_lock(ngx_http_request_t *r, ngx_http_cache_t *c)
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
391 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
392 ngx_msec_t now, timer;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
393 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
394
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
395 if (!c->lock) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
396 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
397 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
398
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
399 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
400
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
401 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
402
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
403 if (!c->node->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
404 c->node->updating = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
405 c->updating = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
406 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
407
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
408 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
409
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
410 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
411 "http file cache lock u:%d wt:%M",
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
412 c->updating, c->wait_time);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
413
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
414 if (c->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
415 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
416 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
417
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
418 c->waiting = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
419
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
420 now = ngx_current_msec;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
421
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
422 if (c->wait_time == 0) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
423 c->wait_time = now + c->lock_timeout;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
424
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
425 c->wait_event.handler = ngx_http_file_cache_lock_wait_handler;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
426 c->wait_event.data = r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
427 c->wait_event.log = r->connection->log;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
428 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
429
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
430 timer = c->wait_time - now;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
431
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
432 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
433
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
434 r->main->blocked++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
435
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
436 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
437 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
438
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
439
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
440 static void
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
441 ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev)
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
442 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
443 ngx_uint_t wait;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
444 ngx_msec_t timer;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
445 ngx_http_cache_t *c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
446 ngx_http_request_t *r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
447 ngx_http_file_cache_t *cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
448
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
449 r = ev->data;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
450 c = r->cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
451
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
452 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ev->log, 0,
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
453 "http file cache wait handler wt:%M cur:%M",
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
454 c->wait_time, ngx_current_msec);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
455
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
456 timer = c->wait_time - ngx_current_msec;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
457
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
458 if ((ngx_msec_int_t) timer <= 0) {
5341
654c1631dc86 Cache: lock timeouts are now logged at info level.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5330
diff changeset
459 ngx_log_error(NGX_LOG_INFO, ev->log, 0, "cache lock timeout");
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
460 c->lock = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
461 goto wakeup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
462 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
463
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
464 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
465 wait = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
466
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
467 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
468
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
469 if (c->node->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
470 wait = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
471 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
472
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
473 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
474
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
475 if (wait) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
476 ngx_add_timer(ev, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
477 return;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
478 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
479
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
480 wakeup:
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
481
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
482 c->waiting = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
483 r->main->blocked--;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
484 r->connection->write->handler(r->connection->write);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
485 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
486
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
487
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
488 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
489 ngx_http_file_cache_read(ngx_http_request_t *r, ngx_http_cache_t *c)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
490 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
491 time_t now;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
492 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
493 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
494 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
495 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
496
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
497 n = ngx_http_file_cache_aio_read(r, c);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
498
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
499 if (n < 0) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
500 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
502
3369
479468a7d982 fix handling cached HTTP/0.9 response
Igor Sysoev <igor@sysoev.ru>
parents: 3294
diff changeset
503 if ((size_t) n < c->header_start) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
504 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
505 "cache file \"%s\" is too small", c->file.name.data);
3971
44f4fc874b2f do not close connection if cache file is too small: replace it with valid one
Igor Sysoev <igor@sysoev.ru>
parents: 3970
diff changeset
506 return NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
507 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
508
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
509 h = (ngx_http_file_cache_header_t *) c->buf->pos;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
510
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
511 if (h->version != NGX_HTTP_CACHE_VERSION) {
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
512 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
513 "cache file \"%s\" version mismatch", c->file.name.data);
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
514 return NGX_DECLINED;
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
515 }
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
516
3460
bbea0b19b608 fix cached FastCGI response with large stderr output before header
Igor Sysoev <igor@sysoev.ru>
parents: 3400
diff changeset
517 if (h->crc32 != c->crc32) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
518 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
519 "cache file \"%s\" has md5 collision", c->file.name.data);
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
520 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
521 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
522
5359
2fda9065d0f4 Win32: Borland C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5341
diff changeset
523 if ((size_t) h->body_start > c->body_start) {
4339
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
524 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
525 "cache file \"%s\" has too long header",
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
526 c->file.name.data);
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
527 return NGX_DECLINED;
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
528 }
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
529
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
530 if (h->vary_len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
531 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
532 "cache file \"%s\" has incorrect vary length",
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
533 c->file.name.data);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
534 return NGX_DECLINED;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
535 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
536
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
537 if (h->vary_len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
538 ngx_http_file_cache_vary(r, h->vary, h->vary_len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
539
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
540 if (ngx_memcmp(c->variant, h->variant, NGX_HTTP_CACHE_KEY_LEN) != 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
541 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
542 "http file cache vary mismatch");
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
543 return ngx_http_file_cache_reopen(r, c);
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
544 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
545 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
546
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
547 c->buf->last += n;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
548
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
549 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
550 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
551 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
552 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
553 c->header_start = h->header_start;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
554 c->body_start = h->body_start;
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
555 c->etag.len = h->etag_len;
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
556 c->etag.data = h->etag;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
557
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
558 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
559
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
560 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
561
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
562 if (cache->sh->cold) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
563
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
564 ngx_shmtx_lock(&cache->shpool->mutex);
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
565
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
566 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
567 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
568 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
569 c->node->exists = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
570 c->node->uniq = c->uniq;
4034
e2c075e774b6 Cache size accounting fix: actual cache size on disk was less than
Igor Sysoev <igor@sysoev.ru>
parents: 4018
diff changeset
571 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
572
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
573 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
574 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
575
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
576 ngx_shmtx_unlock(&cache->shpool->mutex);
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
577 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
578
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
579 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
580
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
581 if (c->valid_sec < now) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
582
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
583 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
584
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
585 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
586 rc = NGX_HTTP_CACHE_UPDATING;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
587
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
588 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
589 c->node->updating = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
590 c->updating = 1;
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
591 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
592 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
593
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
594 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
595
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
596 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
597 "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
598 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
599
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
600 return rc;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
601 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
602
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
603 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
604 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
605
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
606
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
607 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
608 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
609 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
610 #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
611 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
612 ngx_http_core_loc_conf_t *clcf;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
613
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
614 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
615 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
616 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
617
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
618 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
619
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
620 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
621 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
622 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
623
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
624 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
625
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
626 if (n != NGX_AGAIN) {
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
627 c->reading = 0;
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
628 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
629 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
630
5879
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
631 c->reading = 1;
c525c0454aa5 Cache: c->reading flag introduced.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5878
diff changeset
632
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
633 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
634 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
635
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
636 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
637 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
638
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
639 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
640
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
641 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
642
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
643 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
644
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
645 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
646 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
647
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
648
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
649 #if (NGX_HAVE_FILE_AIO)
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
650
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
651 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
652 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
653 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
654 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
655 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
656
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
657 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
658 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
659
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
660 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
661 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
662
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
663 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
664 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
665
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
666 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
667
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
668
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
669 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
670 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
671 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
672 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
673 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
674
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
675 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
676
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
677 fcn = c->node;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
678
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
679 if (fcn == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
680 fcn = ngx_http_file_cache_lookup(cache, c->key);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
681 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
682
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
683 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
684 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
685
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
686 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
687 fcn->uses++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
688 fcn->count++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
689 }
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
690
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
691 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
692
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
693 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
694 goto renew;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
695 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
696
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
697 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
698
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
699 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
700 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
701
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
702 if (fcn->exists || fcn->uses >= c->min_uses) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
703
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
704 c->exists = fcn->exists;
3969
3ea15c6b16da fix r3968
Igor Sysoev <igor@sysoev.ru>
parents: 3968
diff changeset
705 if (fcn->body_start) {
3967
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
706 c->body_start = fcn->body_start;
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
707 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
708
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
709 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
710
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
711 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
712 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
713
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
714 rc = NGX_AGAIN;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
715
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
716 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
717 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
718
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
719 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
720 sizeof(ngx_http_file_cache_node_t));
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
721 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
722 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
723
2693
197cda0e767e style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2671
diff changeset
724 (void) ngx_http_file_cache_forced_expire(cache);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
725
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
726 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
727
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
728 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
729 sizeof(ngx_http_file_cache_node_t));
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
730 if (fcn == NULL) {
5822
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
731 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
063f7e75f9ef Upstream: suppressed the file cache slab allocator error messages.
Roman Arutyunyan <arut@nginx.com>
parents: 5737
diff changeset
732 "could not allocate node%s", cache->shpool->log_ctx);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
733 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
734 goto failed;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
735 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
736 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
737
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
738 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
739
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
740 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
741 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
742
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
743 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
744
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
745 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
746 fcn->count = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
747
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
748 renew:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
749
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
750 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
751
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
752 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
753 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
754 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
755 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
756 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
757 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
758 fcn->fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
759
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
760 done:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
761
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
762 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
763
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
764 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
765
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
766 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
767 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
768 c->node = fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
769
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
770 failed:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
771
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
772 ngx_shmtx_unlock(&cache->shpool->mutex);
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 return rc;
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
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
778 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
779 ngx_http_file_cache_name(ngx_http_request_t *r, ngx_path_t *path)
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
780 {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
781 u_char *p;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
782 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
783
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
784 c = r->cache;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
785
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
786 if (c->file.name.len) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
787 return NGX_OK;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
788 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
789
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
790 c->file.name.len = path->name.len + 1 + path->len
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
791 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
792
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
793 c->file.name.data = ngx_pnalloc(r->pool, c->file.name.len + 1);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
794 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
795 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
796 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
797
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
798 ngx_memcpy(c->file.name.data, path->name.data, path->name.len);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
799
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
800 p = c->file.name.data + path->name.len + 1 + path->len;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
801 p = ngx_hex_dump(p, c->key, NGX_HTTP_CACHE_KEY_LEN);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
802 *p = '\0';
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
803
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
804 ngx_create_hashed_filename(path, c->file.name.data, c->file.name.len);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
805
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
806 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
807 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
808
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
809 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
810 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
811
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
812
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
813 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
814 ngx_http_file_cache_lookup(ngx_http_file_cache_t *cache, u_char *key)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
815 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
816 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
817 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
818 ngx_rbtree_node_t *node, *sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
819 ngx_http_file_cache_node_t *fcn;
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 ngx_memcpy((u_char *) &node_key, key, sizeof(ngx_rbtree_key_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
822
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
823 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
824 sentinel = cache->sh->rbtree.sentinel;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
825
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
826 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
827
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
828 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
829 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
830 continue;
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 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
834 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
835 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
836 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
837
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
838 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
839
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
840 fcn = (ngx_http_file_cache_node_t *) node;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
841
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
842 rc = ngx_memcmp(&key[sizeof(ngx_rbtree_key_t)], fcn->key,
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
843 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
844
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
845 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
846 return fcn;
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
847 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
848
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
849 node = (rc < 0) ? node->left : node->right;
2592
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 /* not found */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
853
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
854 return NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
855 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
856
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
857
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
858 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
859 ngx_http_file_cache_rbtree_insert_value(ngx_rbtree_node_t *temp,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
860 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
861 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
862 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
863 ngx_http_file_cache_node_t *cn, *cnt;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
864
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
865 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
866
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
867 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
868
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
869 p = &temp->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
870
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
871 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
872
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
873 p = &temp->right;
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 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
876
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
877 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
878 cnt = (ngx_http_file_cache_node_t *) temp;
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 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
881 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
882 < 0)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
883 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
884 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
885
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
886 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
887 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
888 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
889
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
890 temp = *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
891 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
892
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
893 *p = node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
894 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
895 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
896 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
897 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
898 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
899
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
900
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
901 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
902 ngx_http_file_cache_vary(ngx_http_request_t *r, u_char *vary, size_t len,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
903 u_char *hash)
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
904 {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
905 u_char *p, *last;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
906 ngx_str_t name;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
907 ngx_md5_t md5;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
908 u_char buf[NGX_HTTP_CACHE_VARY_LEN];
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
909
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
910 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
911 "http file cache vary: \"%*s\"", len, vary);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
912
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
913 ngx_md5_init(&md5);
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
914 ngx_md5_update(&md5, r->cache->main, NGX_HTTP_CACHE_KEY_LEN);
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
915
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
916 ngx_strlow(buf, vary, len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
917
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
918 p = buf;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
919 last = buf + len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
920
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
921 while (p < last) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
922
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
923 while (p < last && (*p == ' ' || *p == ',')) { p++; }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
924
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
925 name.data = p;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
926
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
927 while (p < last && *p != ',' && *p != ' ') { p++; }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
928
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
929 name.len = p - name.data;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
930
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
931 if (name.len == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
932 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
933 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
934
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
935 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
936 "http file cache vary: %V", &name);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
937
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
938 ngx_md5_update(&md5, name.data, name.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
939 ngx_md5_update(&md5, (u_char *) ":", sizeof(":") - 1);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
940
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
941 ngx_http_file_cache_vary_header(r, &md5, &name);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
942
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
943 ngx_md5_update(&md5, (u_char *) CRLF, sizeof(CRLF) - 1);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
944 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
945
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
946 ngx_md5_final(hash, &md5);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
947 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
948
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
949
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
950 static void
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
951 ngx_http_file_cache_vary_header(ngx_http_request_t *r, ngx_md5_t *md5,
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
952 ngx_str_t *name)
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
953 {
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
954 size_t len;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
955 u_char *p, *start, *last;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
956 ngx_uint_t i, multiple, normalize;
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
957 ngx_list_part_t *part;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
958 ngx_table_elt_t *header;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
959
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
960 multiple = 0;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
961 normalize = 0;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
962
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
963 if (name->len == sizeof("Accept-Charset") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
964 && ngx_strncasecmp(name->data, (u_char *) "Accept-Charset",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
965 sizeof("Accept-Charset") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
966 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
967 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
968
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
969 } else if (name->len == sizeof("Accept-Encoding") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
970 && ngx_strncasecmp(name->data, (u_char *) "Accept-Encoding",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
971 sizeof("Accept-Encoding") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
972 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
973 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
974
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
975 } else if (name->len == sizeof("Accept-Language") - 1
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
976 && ngx_strncasecmp(name->data, (u_char *) "Accept-Language",
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
977 sizeof("Accept-Language") - 1) == 0)
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
978 {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
979 normalize = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
980 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
981
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
982 part = &r->headers_in.headers.part;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
983 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
984
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
985 for (i = 0; /* void */ ; i++) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
986
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
987 if (i >= part->nelts) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
988 if (part->next == NULL) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
989 break;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
990 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
991
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
992 part = part->next;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
993 header = part->elts;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
994 i = 0;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
995 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
996
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
997 if (header[i].hash == 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
998 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
999 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1000
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1001 if (header[i].key.len != name->len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1002 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1003 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1004
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1005 if (ngx_strncasecmp(header[i].key.data, name->data, name->len) != 0) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1006 continue;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1007 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1008
5881
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1009 if (!normalize) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1010
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1011 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1012 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1013 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1014
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1015 ngx_md5_update(md5, header[i].value.data, header[i].value.len);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1016
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1017 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1018
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1019 continue;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1020 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1021
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1022 /* normalize spaces */
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1023
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1024 p = header[i].value.data;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1025 last = p + header[i].value.len;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1026
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1027 while (p < last) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1028
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1029 while (p < last && (*p == ' ' || *p == ',')) { p++; }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1030
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1031 start = p;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1032
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1033 while (p < last && *p != ',' && *p != ' ') { p++; }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1034
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1035 len = p - start;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1036
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1037 if (len == 0) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1038 break;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1039 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1040
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1041 if (multiple) {
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1042 ngx_md5_update(md5, (u_char *) ",", sizeof(",") - 1);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1043 }
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1044
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1045 ngx_md5_update(md5, start, len);
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1046
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1047 multiple = 1;
ee9230cd4bda Cache: normalization of some Vary headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5880
diff changeset
1048 }
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1049 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1050 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1051
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1052
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1053 static ngx_int_t
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1054 ngx_http_file_cache_reopen(ngx_http_request_t *r, ngx_http_cache_t *c)
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1055 {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1056 ngx_http_file_cache_t *cache;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1057
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1058 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1059 "http file cache reopen");
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1060
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1061 if (c->secondary) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1062 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1063 "cache file \"%s\" has incorrect vary hash",
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1064 c->file.name.data);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1065 return NGX_DECLINED;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1066 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1067
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1068 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1069
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1070 ngx_shmtx_lock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1071
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1072 c->node->count--;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1073 c->node = NULL;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1074
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1075 ngx_shmtx_unlock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1076
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1077 c->secondary = 1;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1078 c->file.name.len = 0;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1079 c->body_start = c->buf->end - c->buf->start;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1080
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1081 ngx_memcpy(c->key, c->variant, NGX_HTTP_CACHE_KEY_LEN);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1082
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1083 return ngx_http_file_cache_open(r);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1084 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1085
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1086
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1087 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1088 ngx_http_file_cache_set_header(ngx_http_request_t *r, u_char *buf)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1089 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1090 ngx_http_file_cache_header_t *h = (ngx_http_file_cache_header_t *) buf;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1091
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1092 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1093 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1094 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1095 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1096
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1097 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
1098 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1099
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1100 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1101
5245
711fa02afae8 Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5077
diff changeset
1102 ngx_memzero(h, sizeof(ngx_http_file_cache_header_t));
711fa02afae8 Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5077
diff changeset
1103
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1104 h->version = NGX_HTTP_CACHE_VERSION;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1105 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1106 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1107 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1108 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1109 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1110 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1111 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1112
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1113 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1114 h->etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1115 ngx_memcpy(h->etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1116 }
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1117
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1118 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1119 if (c->vary.len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1120 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1121 c->vary.len = NGX_HTTP_CACHE_VARY_LEN;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1122 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1123
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1124 h->vary_len = (u_char) c->vary.len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1125 ngx_memcpy(h->vary, c->vary.data, c->vary.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1126
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1127 ngx_http_file_cache_vary(r, c->vary.data, c->vary.len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1128 ngx_memcpy(h->variant, c->variant, NGX_HTTP_CACHE_KEY_LEN);
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1129
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1130 } else {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1131 ngx_memzero(c->variant, NGX_HTTP_CACHE_KEY_LEN);
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1132 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1133
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1134 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1135
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1136 p = ngx_cpymem(p, ngx_http_file_cache_key, sizeof(ngx_http_file_cache_key));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1137
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1138 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1139 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1140 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
1141 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1142
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1143 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1144 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1145
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1146
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1147 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1148 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
1149 {
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1150 off_t fs_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1151 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1152 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1153 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1154 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1155 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1156 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1157
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1158 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1159
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1160 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1161 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1162 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1163
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1164 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
1165 "http file cache update");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1166
5880
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1167 cache = c->file_cache;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1168
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1169 if (c->secondary
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1170 && ngx_memcmp(c->variant, c->key, NGX_HTTP_CACHE_KEY_LEN) != 0)
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1171 {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1172 /*
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1173 * if the variant hash doesn't match one we used as a secondary
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1174 * cache key, switch back to the original key
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1175 */
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1176
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1177 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1178 "http file cache main key");
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1179
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1180 ngx_shmtx_lock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1181
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1182 c->node->count--;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1183 c->node->updating = 0;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1184 c->node = NULL;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1185
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1186 ngx_shmtx_unlock(&cache->shpool->mutex);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1187
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1188 c->file.name.len = 0;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1189
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1190 ngx_memcpy(c->key, c->main, NGX_HTTP_CACHE_KEY_LEN);
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1191
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1192 if (ngx_http_file_cache_exists(cache, c) == NGX_ERROR) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1193 return;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1194 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1195
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1196 if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1197 return;
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1198 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1199 }
78c49e243848 Cache: multiple variants of a resource now can be stored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5879
diff changeset
1200
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1201 c->updated = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1202 c->updating = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1203
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1204 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
1205 fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1206
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1207 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
1208 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1209 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1210
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1211 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1212 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1213 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1214 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1215 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1216 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1217
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1218 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
1219
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1220 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1221
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1222 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
1223 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
1224 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
1225
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1226 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1227
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1228 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1229 uniq = ngx_file_uniq(&fi);
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1230 fs_size = (ngx_file_fs_size(&fi) + cache->bsize - 1) / cache->bsize;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1231 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1232 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1233
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1234 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1235
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1236 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1237 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1238 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1239
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1240 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
1241 c->node->fs_size = fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1242
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1243 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1244 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1245 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1246
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
1247 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
1248
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1249 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1250 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1251
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1252
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1253 void
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1254 ngx_http_file_cache_update_header(ngx_http_request_t *r)
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1255 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1256 ssize_t n;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1257 ngx_err_t err;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1258 ngx_file_t file;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1259 ngx_file_info_t fi;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1260 ngx_http_cache_t *c;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1261 ngx_http_file_cache_header_t h;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1262
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1263 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1264 "http file cache update header");
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1265
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1266 c = r->cache;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1267
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1268 ngx_memzero(&file, sizeof(ngx_file_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1269
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1270 file.name = c->file.name;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1271 file.log = r->connection->log;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1272 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1273
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1274 if (file.fd == NGX_INVALID_FILE) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1275 err = ngx_errno;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1276
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1277 /* cache file may have been deleted */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1278
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1279 if (err == NGX_ENOENT) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1280 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1281 "http file cache \"%s\" not found",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1282 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1283 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1284 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1285
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1286 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1287 ngx_open_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1288 return;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1289 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1290
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1291 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1292 * make sure cache file wasn't replaced;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1293 * if it was, do nothing
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1294 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1295
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1296 if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1297 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1298 ngx_fd_info_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1299 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1300 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1301
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1302 if (c->uniq != ngx_file_uniq(&fi)
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1303 || c->length != ngx_file_size(&fi))
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1304 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1305 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1306 "http file cache \"%s\" changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1307 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1308 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1309 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1310
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1311 n = ngx_read_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1312 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1313
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1314 if (n == NGX_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1315 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1316 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1317
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1318 if ((size_t) n != sizeof(ngx_http_file_cache_header_t)) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1319 ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1320 ngx_read_file_n " read only %z of %z from \"%s\"",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1321 n, sizeof(ngx_http_file_cache_header_t), file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1322 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1323 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1324
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1325 if (h.version != NGX_HTTP_CACHE_VERSION
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1326 || h.last_modified != c->last_modified
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1327 || h.crc32 != c->crc32
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1328 || h.header_start != c->header_start
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1329 || h.body_start != c->body_start)
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1330 {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1331 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1332 "http file cache \"%s\" content changed",
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1333 file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1334 goto done;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1335 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1336
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1337 /*
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1338 * update cache file header with new data,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1339 * notably h.valid_sec and h.date
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1340 */
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1341
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1342 ngx_memzero(&h, sizeof(ngx_http_file_cache_header_t));
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1343
5736
2fe1967f8854 Cache: version in cache files.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5726
diff changeset
1344 h.version = NGX_HTTP_CACHE_VERSION;
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1345 h.valid_sec = c->valid_sec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1346 h.last_modified = c->last_modified;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1347 h.date = c->date;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1348 h.crc32 = c->crc32;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1349 h.valid_msec = (u_short) c->valid_msec;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1350 h.header_start = (u_short) c->header_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1351 h.body_start = (u_short) c->body_start;
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1352
5737
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1353 if (c->etag.len <= NGX_HTTP_CACHE_ETAG_LEN) {
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1354 h.etag_len = (u_char) c->etag.len;
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1355 ngx_memcpy(h.etag, c->etag.data, c->etag.len);
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1356 }
44b9ab7752e3 Cache: ETag now saved into cache header.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5736
diff changeset
1357
5878
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1358 if (c->vary.len) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1359 if (c->vary.len > NGX_HTTP_CACHE_VARY_LEN) {
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1360 /* should not happen */
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1361 c->vary.len = NGX_HTTP_CACHE_VARY_LEN;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1362 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1363
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1364 h.vary_len = (u_char) c->vary.len;
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1365 ngx_memcpy(h.vary, c->vary.data, c->vary.len);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1366
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1367 ngx_http_file_cache_vary(r, c->vary.data, c->vary.len, c->variant);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1368 ngx_memcpy(h.variant, c->variant, NGX_HTTP_CACHE_KEY_LEN);
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1369 }
2c89956b6a76 Cache: hash of Vary headers now stored in cache.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5822
diff changeset
1370
5441
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1371 (void) ngx_write_file(&file, (u_char *) &h,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1372 sizeof(ngx_http_file_cache_header_t), 0);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1373
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1374 done:
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1375
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1376 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1377 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1378 ngx_close_file_n " \"%s\" failed", file.name.data);
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1379 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1380 }
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1381
43ccaf8e8728 Upstream: cache revalidation with conditional requests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5359
diff changeset
1382
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1383 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1384 ngx_http_cache_send(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1385 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1386 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1387 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1388 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1389 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1390
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1391 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1392
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1393 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965
90b0487fba44 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3942
diff changeset
1394 "http file cache send: %s", c->file.name.data);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1395
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1396 if (r != r->main && c->length - c->body_start == 0) {
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1397 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1398 }
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1399
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1400 /* 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
1401
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1402 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1403 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1404 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1405 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1406
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1407 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
1408 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1409 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1410 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1411
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1412 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1413
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1414 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
1415 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1416 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1417
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1418 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1419 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1420
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1421 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
1422 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1423 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1424
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1425 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1426 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1427 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1428
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1429 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1430 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1431
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1432 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1433 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1434
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1435
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1436 void
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1437 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
1438 {
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1439 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
1440 ngx_http_file_cache_node_t *fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1441
3917
2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different,
Igor Sysoev <igor@sysoev.ru>
parents: 3899
diff changeset
1442 if (c->updated || c->node == NULL) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1443 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1444 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1445
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1446 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1447
3713
f0b62d1ac7af move debug logging inside ngx_http_file_cache_free()
Igor Sysoev <igor@sysoev.ru>
parents: 3711
diff changeset
1448 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
1449 "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
1450
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1451 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1452
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1453 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
1454 fcn->count--;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1455
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1456 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1457 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1458 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1459
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1460 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
1461 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
1462
3743
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1463 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1464 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
1465 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
1466 }
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1467
3723
14ad3210fc73 do not free unused cache node if cache min_uses > 1,
Igor Sysoev <igor@sysoev.ru>
parents: 3713
diff changeset
1468 } 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
1469 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
1470 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
1471 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
1472 c->node = NULL;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1473 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1474
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1475 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1476
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1477 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1478 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1479
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1480 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1481 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
1482 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
1483 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1484 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1485
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1486 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
1487 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
1488 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1489 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1490 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1491 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1492 }
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1493
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1494 if (c->wait_event.timer_set) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1495 ngx_del_timer(&c->wait_event);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1496 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1497 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1498
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1499
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1500 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1501 ngx_http_file_cache_cleanup(void *data)
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 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1504
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1505 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1506 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1507 }
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 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
1510 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1511
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1512 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1513 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
1514 "stalled cache updating, error:%ui", c->error);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1515 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1516
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1517 ngx_http_file_cache_free(c, NULL);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1518 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1519
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1520
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1521 static time_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1522 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
1523 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1524 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1525 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1526 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1527 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1528 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1529 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1530 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1531
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1532 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
1533 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1534
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1535 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1536 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
1537
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1538 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
1539 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1540 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1541 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1542
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1543 ngx_memcpy(name, path->name.data, path->name.len);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1544
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1545 wait = 10;
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1546 tries = 20;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1547
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1548 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1549
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1550 for (q = ngx_queue_last(&cache->sh->queue);
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1551 q != ngx_queue_sentinel(&cache->sh->queue);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1552 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1553 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1554 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1555
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1556 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1557 "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd",
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1558 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1559 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1560
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1561 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1562 ngx_http_file_cache_delete(cache, q, name);
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1563 wait = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1564
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1565 } else {
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1566 if (--tries) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1567 continue;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1568 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1569
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1570 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1571 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1572
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1573 break;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1574 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1575
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1576 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1577
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1578 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1579
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1580 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1581 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1582
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1583
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1584 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1585 ngx_http_file_cache_expire(ngx_http_file_cache_t *cache)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1586 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1587 u_char *name, *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1588 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1589 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1590 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1591 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1592 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1593 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1594
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1595 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1596 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1597
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1598 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1599 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1600
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1601 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
1602 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1603 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1604 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1605
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1606 ngx_memcpy(name, path->name.data, path->name.len);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1607
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1608 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1609
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1610 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1611
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1612 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1613
5679
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1614 if (ngx_quit || ngx_terminate) {
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1615 wait = 1;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1616 break;
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1617 }
5748ce74c1cc Cache: added ngx_quit check to ngx_http_file_cache_expire().
Maxim Dounin <mdounin@mdounin.ru>
parents: 5441
diff changeset
1618
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1619 if (ngx_queue_empty(&cache->sh->queue)) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1620 wait = 10;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1621 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1622 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1623
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1624 q = ngx_queue_last(&cache->sh->queue);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1625
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1626 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1627
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1628 wait = fcn->expire - now;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1629
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1630 if (wait > 0) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1631 wait = wait > 10 ? 10 : wait;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1632 break;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1633 }
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 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1636 "http file cache expire: #%d %d %02xd%02xd%02xd%02xd",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1637 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1638 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1639
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1640 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1641 ngx_http_file_cache_delete(cache, q, name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1642 continue;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1643 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1644
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1645 if (fcn->deleting) {
3942
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node
Igor Sysoev <igor@sysoev.ru>
parents: 3917
diff changeset
1646 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node
Igor Sysoev <igor@sysoev.ru>
parents: 3917
diff changeset
1647 break;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1648 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1649
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1650 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1651 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1652 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1653 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1654
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1655 /*
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1656 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1657 * and although it may be safe to remove them completely,
4340
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1658 * we prefer to just move them to the top of the inactive queue
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1659 */
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1660
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1661 ngx_queue_remove(q);
4340
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1662 fcn->expire = ngx_time() + cache->inactive;
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1663 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1664
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1665 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1666 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1667 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1668 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1669
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1670 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1671
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1672 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1673
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1674 return wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1675 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1676
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1677
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1678 static void
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1679 ngx_http_file_cache_delete(ngx_http_file_cache_t *cache, ngx_queue_t *q,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1680 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1681 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1682 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1683 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1684 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1685 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1686
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1687 fcn = ngx_queue_data(q, ngx_http_file_cache_node_t, queue);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1688
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1689 if (fcn->exists) {
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1690 cache->sh->size -= fcn->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1691
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1692 path = cache->path;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1693 p = name + path->name.len + 1 + path->len;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1694 p = ngx_hex_dump(p, (u_char *) &fcn->node.key,
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1695 sizeof(ngx_rbtree_key_t));
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1696 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1697 p = ngx_hex_dump(p, fcn->key, len);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1698 *p = '\0';
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1699
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1700 fcn->count++;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1701 fcn->deleting = 1;
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1702 ngx_shmtx_unlock(&cache->shpool->mutex);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1703
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1704 len = path->name.len + 1 + path->len + 2 * NGX_HTTP_CACHE_KEY_LEN;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1705 ngx_create_hashed_filename(path, name, len);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1706
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1707 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1708 "http file cache expire: \"%s\"", name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1709
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1710 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1711 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, ngx_errno,
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1712 ngx_delete_file_n " \"%s\" failed", name);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1713 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1714
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1715 ngx_shmtx_lock(&cache->shpool->mutex);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1716 fcn->count--;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1717 fcn->deleting = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1718 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1719
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1720 if (fcn->count == 0) {
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1721 ngx_queue_remove(q);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1722 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1723 ngx_slab_free_locked(cache->shpool, fcn);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1724 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1725 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1726
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1727
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1728 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1729 ngx_http_file_cache_manager(void *data)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1730 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1731 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1732
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1733 off_t size;
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1734 time_t next, wait;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1735
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1736 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1737
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1738 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1739 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1740
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1741 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1742 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1743
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1744 size = cache->sh->size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1745
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1746 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1747
2631
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1748 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1749 "http file cache size: %O", size);
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1750
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1751 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1752 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1753 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1754
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1755 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1756
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1757 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1758 return wait;
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1759 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1760
3972
c1a69e03bdf2 rename ngx_http_file_cache_manager_sleep() to ngx_http_file_cache_loader_sleep()
Igor Sysoev <igor@sysoev.ru>
parents: 3971
diff changeset
1761 if (ngx_quit || ngx_terminate) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1762 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1763 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1764 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1765 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1766
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1767
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1768 static void
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1769 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1770 {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1771 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1772
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1773 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1774
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1775 if (!cache->sh->cold || cache->sh->loading) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1776 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1777 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1778
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1779 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1780 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1781 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1782
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1783 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1784 "http file cache loader");
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1785
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1786 tree.init_handler = NULL;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1787 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1788 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1789 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1790 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1791 tree.data = cache;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1792 tree.alloc = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1793 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1794
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1795 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1796 cache->files = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1797
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1798 if (ngx_walk_tree(&tree, &cache->path->name) == NGX_ABORT) {
3020
364ea8f54a2f unlock incompletely loaded cache
Igor Sysoev <igor@sysoev.ru>
parents: 3018
diff changeset
1799 cache->sh->loading = 0;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1800 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1801 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1802
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1803 cache->sh->cold = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1804 cache->sh->loading = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1805
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1806 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1807 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1808 &cache->path->name,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1809 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1810 cache->bsize);
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1811 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1812
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1813
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1814 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1815 ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1816 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1817 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1818 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1819
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1820
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1821 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1822 ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1823 {
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1824 ngx_msec_t elapsed;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1825 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1826
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1827 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1828
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1829 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
1830 (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
1831 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1832
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1833 if (++cache->files >= cache->loader_files) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1834 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1835
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1836 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1837 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1838
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1839 elapsed = ngx_abs((ngx_msec_int_t) (ngx_current_msec - cache->last));
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1840
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1841 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1842 "http file cache loader time elapsed: %M", elapsed);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1843
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1844 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1845 ngx_http_file_cache_loader_sleep(cache);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1846 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1847 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1848
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1849 return (ngx_quit || ngx_terminate) ? NGX_ABORT : NGX_OK;
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1850 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1851
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1852
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1853 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1854 ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache)
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1855 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1856 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1857
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1858 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1859
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1860 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1861 cache->files = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1862 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1863
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1864
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1865 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1866 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
1867 {
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1868 u_char *p;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1869 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1870 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1871 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1872 ngx_http_file_cache_t *cache;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1873
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1874 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
1875 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1876 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1877
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1878 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
1879 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
1880 "cache file \"%s\" is too small", name->data);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1881 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1882 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1883
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1884 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
1885 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
1886
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1887 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1888 c.fs_size = (ctx->fs_size + cache->bsize - 1) / cache->bsize;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1889
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1890 p = &name->data[name->len - 2 * NGX_HTTP_CACHE_KEY_LEN];
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1891
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1892 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
1893 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1894
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1895 if (n == NGX_ERROR) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1896 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1897 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1898
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1899 p += 2;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1900
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1901 c.key[i] = (u_char) n;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1902 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1903
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1904 return ngx_http_file_cache_add(cache, &c);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1905 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1906
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1907
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1908 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1909 ngx_http_file_cache_add(ngx_http_file_cache_t *cache, ngx_http_cache_t *c)
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1910 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1911 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1912
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1913 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1914
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1915 fcn = ngx_http_file_cache_lookup(cache, c->key);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1916
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1917 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1918
5726
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
1919 fcn = ngx_slab_calloc_locked(cache->shpool,
25ade23cf281 Core: added ngx_slab_calloc() and ngx_slab_calloc_locked().
Ruslan Ermilov <ru@nginx.com>
parents: 5679
diff changeset
1920 sizeof(ngx_http_file_cache_node_t));
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1921 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1922 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1923 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1924 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1925
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1926 ngx_memcpy((u_char *) &fcn->node.key, c->key, sizeof(ngx_rbtree_key_t));
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1927
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1928 ngx_memcpy(fcn->key, &c->key[sizeof(ngx_rbtree_key_t)],
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1929 NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1930
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1931 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1932
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1933 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1934 fcn->exists = 1;
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1935 fcn->fs_size = c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1936
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1937 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1938
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1939 } else {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1940 ngx_queue_remove(&fcn->queue);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1941 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1942
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1943 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1944
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1945 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
1946
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1947 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1948
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1949 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1950 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1951
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1952
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1953 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1954 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
1955 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1956 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
1957 "http file cache delete: \"%s\"", path->data);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1958
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1959 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1960 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
1961 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1962 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1963
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1964 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1965 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1966
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1967
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1968 time_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1969 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
1970 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1971 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1972 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
1973
2626
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1974 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
1975 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1976 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1977
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1978 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1979 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
1980
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1981 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1982 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
1983 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1984
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1985 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1986 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
1987 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1988 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1989
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1990 return 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1991 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1992
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1993
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1994 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1995 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
1996 {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1997 off_t max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1998 u_char *last, *p;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1999 time_t inactive;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2000 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2001 ngx_str_t s, name, *value;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2002 ngx_int_t loader_files;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2003 ngx_msec_t loader_sleep, loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2004 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2005 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2006
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2007 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
2008 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2009 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2010 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2011
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2012 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
2013 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2014 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2015 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2016
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2017 inactive = 600;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2018 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2019 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2020 loader_threshold = 200;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2021
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2022 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2023 size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2024 max_size = NGX_MAX_OFF_T_VALUE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2025
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2026 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2027
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2028 cache->path->name = value[1];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2029
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2030 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
2031 cache->path->name.len--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2032 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2033
5330
314c3d7cc3a5 Backed out f1a91825730a and 7094bd12c1ff.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5317
diff changeset
2034 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2035 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2036 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2037
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2038 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2039
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2040 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2041
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2042 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2043 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2044
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2045 for (n = 0; n < 3 && p < last; n++) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2046
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2047 if (*p > '0' && *p < '3') {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2048
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2049 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2050 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2051
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2052 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2053 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2054 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2055
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2056 if (*p++ == ':' && n < 2 && p != last) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2057 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2058 }
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2059
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
2060 goto invalid_levels;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2061 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2062
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2063 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2064 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2065
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2066 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2067 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2068 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2069
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2070 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2071
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2072 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2073 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2074 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2075 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2076
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2077 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
2078
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2079 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2080
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2081 p = (u_char *) ngx_strchr(name.data, ':');
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2082
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2083 if (p) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2084 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2085
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2086 p++;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2087
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2088 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2089 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2090
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2091 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2092 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2093 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2094 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2095 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2096
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2097 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2098 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2099 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2100 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2101
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2102 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2103
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2104 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2105 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2106
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2107 inactive = ngx_parse_time(&s, 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2108 if (inactive == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2109 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2110 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2111 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2112 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2113
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2114 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2115 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2116
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2117 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
2118
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2119 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2120 s.data = value[i].data + 9;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2121
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2122 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2123 if (max_size < 0) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2124 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
2125 "invalid max_size value \"%V\"", &value[i]);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2126 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2127 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2128
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2129 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2130 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2131
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2132 if (ngx_strncmp(value[i].data, "loader_files=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2133
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2134 loader_files = ngx_atoi(value[i].data + 13, value[i].len - 13);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2135 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2136 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2137 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2138 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2139 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2140
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2141 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2142 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2143
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2144 if (ngx_strncmp(value[i].data, "loader_sleep=", 13) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2145
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2146 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2147 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2148
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2149 loader_sleep = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2150 if (loader_sleep == (ngx_msec_t) NGX_ERROR) {
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2151 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2152 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2153 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2154 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2155
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2156 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2157 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2158
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2159 if (ngx_strncmp(value[i].data, "loader_threshold=", 17) == 0) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2160
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2161 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2162 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2163
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2164 loader_threshold = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2165 if (loader_threshold == (ngx_msec_t) NGX_ERROR) {
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2166 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2167 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2168 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2169 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2170
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2171 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2172 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2173
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2174 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2175 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2176 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2177 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2178
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2179 if (name.len == 0 || size == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2180 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2181 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2182 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2183 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2184 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2185
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2186 cache->path->manager = ngx_http_file_cache_manager;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
2187 cache->path->loader = ngx_http_file_cache_loader;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2188 cache->path->data = cache;
3973
9d6f21415231 set correct configuration file values while adding path
Igor Sysoev <igor@sysoev.ru>
parents: 3972
diff changeset
2189 cache->path->conf_file = cf->conf_file->file.name.data;
9d6f21415231 set correct configuration file values while adding path
Igor Sysoev <igor@sysoev.ru>
parents: 3972
diff changeset
2190 cache->path->line = cf->conf_file->line;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
2191 cache->loader_files = loader_files;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2192 cache->loader_sleep = loader_sleep;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2193 cache->loader_threshold = loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2194
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2195 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2196 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2197 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2198
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2199 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
2200 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2201 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2202 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2203
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2204 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2205 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2206 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2207 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2208 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2209
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2210
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2211 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2212 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2213
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2214 cache->inactive = inactive;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
2215 cache->max_size = max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2216
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2217 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2218 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
2219
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
2220
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2221 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2222 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
2223 void *conf)
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2224 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2225 char *p = conf;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2226
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2227 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2228 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2229 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2230 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2231 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2232 static ngx_uint_t statuses[] = { 200, 301, 302 };
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
2233
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2234 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
2235
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2236 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2237 *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
2238 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2239 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2240 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2241 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2242
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2243 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2244 n = cf->args->nelts - 1;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2245
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2246 valid = ngx_parse_time(&value[n], 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
2247 if (valid == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2248 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2249 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2250 return NGX_CONF_ERROR;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2251 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2252
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2253 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2254
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2255 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2256 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2257 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2258 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2259 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2260
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2261 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2262 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2263 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2264
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2265 return NGX_CONF_OK;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2266 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2267
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2268 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2269
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2270 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2271
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2272 status = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2273
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2274 } else {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2275
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2276 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2277 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2278 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2279 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2280 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2281 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2282 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2283
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2284 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2285 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2286 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2287 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2288
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2289 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2290 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2291 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2292
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
2293 return NGX_CONF_OK;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2294 }