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annotate src/http/ngx_http_file_cache.c @ 4497:95ab6658654a

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Fix of rbtree lookup on hash collisions. Previous code incorrectly assumed that nodes with identical keys are linked together. This might not be true after tree rebalance. Patch by Lanshun Zhou.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 27 Feb 2012 22:15:39 +0000
parents 41f640a693de
children 9ea42922a395
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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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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_cleanup(void *data);
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33 static time_t ngx_http_file_cache_forced_expire(ngx_http_file_cache_t *cache);
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34 static time_t ngx_http_file_cache_expire(ngx_http_file_cache_t *cache);
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35 static void ngx_http_file_cache_delete(ngx_http_file_cache_t *cache,
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36 ngx_queue_t *q, u_char *name);
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37 static void ngx_http_file_cache_loader_sleep(ngx_http_file_cache_t *cache);
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38 static ngx_int_t ngx_http_file_cache_noop(ngx_tree_ctx_t *ctx,
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39 ngx_str_t *path);
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40 static ngx_int_t ngx_http_file_cache_manage_file(ngx_tree_ctx_t *ctx,
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41 ngx_str_t *path);
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42 static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx,
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43 ngx_str_t *path);
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44 static ngx_int_t ngx_http_file_cache_add(ngx_http_file_cache_t *cache,
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45 ngx_http_cache_t *c);
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46 static ngx_int_t ngx_http_file_cache_delete_file(ngx_tree_ctx_t *ctx,
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47 ngx_str_t *path);
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49
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50 ngx_str_t ngx_http_cache_status[] = {
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51 ngx_string("MISS"),
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52 ngx_string("BYPASS"),
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53 ngx_string("EXPIRED"),
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54 ngx_string("STALE"),
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55 ngx_string("UPDATING"),
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56 ngx_string("HIT")
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57 };
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58
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59
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60 static u_char ngx_http_file_cache_key[] = { LF, 'K', 'E', 'Y', ':', ' ' };
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61
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62
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63 static ngx_int_t
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64 ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
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65 {
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66 ngx_http_file_cache_t *ocache = data;
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67
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68 size_t len;
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69 ngx_uint_t n;
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70 ngx_http_file_cache_t *cache;
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71
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72 cache = shm_zone->data;
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73
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74 if (ocache) {
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75 if (ngx_strcmp(cache->path->name.data, ocache->path->name.data) != 0) {
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76 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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77 "cache \"%V\" uses the \"%V\" cache path "
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78 "while previously it used the \"%V\" cache path",
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79 &shm_zone->shm.name, &cache->path->name,
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80 &ocache->path->name);
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81
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82 return NGX_ERROR;
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83 }
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84
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85 for (n = 0; n < 3; n++) {
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86 if (cache->path->level[n] != ocache->path->level[n]) {
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87 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
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88 "cache \"%V\" had previously different levels",
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89 &shm_zone->shm.name);
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90 return NGX_ERROR;
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91 }
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92 }
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93
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94 cache->sh = ocache->sh;
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95
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96 cache->shpool = ocache->shpool;
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97 cache->bsize = ocache->bsize;
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98
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99 cache->max_size /= cache->bsize;
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100
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101 if (!cache->sh->cold || cache->sh->loading) {
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102 cache->path->loader = NULL;
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103 }
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104
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105 return NGX_OK;
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106 }
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107
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108 cache->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
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109
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110 if (shm_zone->shm.exists) {
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111 cache->sh = cache->shpool->data;
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112 cache->bsize = ngx_fs_bsize(cache->path->name.data);
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113
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114 return NGX_OK;
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115 }
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116
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117 cache->sh = ngx_slab_alloc(cache->shpool, sizeof(ngx_http_file_cache_sh_t));
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118 if (cache->sh == NULL) {
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119 return NGX_ERROR;
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120 }
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121
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122 cache->shpool->data = cache->sh;
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123
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124 ngx_rbtree_init(&cache->sh->rbtree, &cache->sh->sentinel,
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125 ngx_http_file_cache_rbtree_insert_value);
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126
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Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
127 ngx_queue_init(&cache->sh->queue);
2592
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->sh->cold = 1;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
130 cache->sh->loading = 0;
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
131 cache->sh->size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
132
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
133 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
134
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
135 cache->max_size /= cache->bsize;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
136
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
137 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
138
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
139 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
140 if (cache->shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
141 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
142 }
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
143
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
144 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
145 &shm_zone->shm.name);
2611
2bce3f6416c6 improve ngx_slab_alloc() error logging
Igor Sysoev <igor@sysoev.ru>
parents: 2606
diff changeset
146
2592
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Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
147 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
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parents: 633
diff changeset
148 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
149
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
150
3697
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
151 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
152 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
153 {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
154 ngx_http_cache_t *c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
155
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
156 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
157 if (c == NULL) {
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
158 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
159 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
160
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
161 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
162 return NGX_ERROR;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
163 }
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 r->cache = c;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
166 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
167 c->file.fd = NGX_INVALID_FILE;
3697
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 return NGX_OK;
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
170 }
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
171
3c442bd5597b ngx_http_file_cache_create()
Igor Sysoev <igor@sysoev.ru>
parents: 3696
diff changeset
172
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
173 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
174 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
175 {
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
176 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
177 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
178 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
179
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
180 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
181 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
182
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
183 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
184 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
185 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
186 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
187
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
188 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
189 cln->data = c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
190
3699
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
191 if (ngx_http_file_cache_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
192 return NGX_ERROR;
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
193 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
194
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
195 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
196 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
197 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
198
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
199 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
200 }
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
201
b0a0686a85bb proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents: 3698
diff changeset
202
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
203 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
204 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
205 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
206 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
207 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
208 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
209 ngx_md5_t md5;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
210 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
211
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
212 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
213
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
214 len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
215
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
216 ngx_crc32_init(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
217 ngx_md5_init(&md5);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
218
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
219 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
220 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
221 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
222 "http cache key: \"%V\"", &key[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
223
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
224 len += key[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
225
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
226 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
227 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
228 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
229
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
230 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
231 + sizeof(ngx_http_file_cache_key) + len + 1;
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 ngx_crc32_final(c->crc32);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
234 ngx_md5_final(c->key, &md5);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
235 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
236
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 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
239 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
240 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
241 ngx_int_t rc, rv;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
242 ngx_uint_t cold, test;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
243 ngx_http_cache_t *c;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
244 ngx_pool_cleanup_t *cln;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
245 ngx_open_file_info_t of;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
246 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
247 ngx_http_core_loc_conf_t *clcf;
2592
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 c = r->cache;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
250
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
251 if (c->waiting) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
252 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
253 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
254
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
255 if (c->buf) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
256 return ngx_http_file_cache_read(r, c);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
257 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
258
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
259 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
260
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
261 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
262 cln = ngx_pool_cleanup_add(r->pool, 0);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
263 if (cln == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
264 return NGX_ERROR;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
265 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
266
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
267 cln->handler = ngx_http_file_cache_cleanup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
268 cln->data = c;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
269 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
270
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
271 rc = ngx_http_file_cache_exists(cache, c);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
272
2926
80a314b63c56 delete useless r->cache->uses
Igor Sysoev <igor@sysoev.ru>
parents: 2925
diff changeset
273 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
274 "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
275
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
276 if (rc == NGX_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
277 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
278 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
279
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
280 if (rc == NGX_AGAIN) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
281 return NGX_HTTP_CACHE_SCARCE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
282 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
283
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
284 cold = cache->sh->cold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
285
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
286 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
287
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
288 if (c->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
289 return c->error;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
292 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
293 test = c->exists ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
294 rv = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
295
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
296 } else { /* rc == NGX_DECLINED */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
297
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
298 if (c->min_uses > 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
299
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
300 if (!cold) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
301 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
302 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
304 test = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
305 rv = NGX_HTTP_CACHE_SCARCE;
2592
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 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
308 c->temp_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
309 test = cold ? 1 : 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
310 rv = NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
311 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
312 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
313
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
314 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
315 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
316 }
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 if (!test) {
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
319 goto done;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
320 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
321
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
322 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
323
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
324 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
325
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
326 of.uniq = c->uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
327 of.valid = clcf->open_file_cache_valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
328 of.min_uses = clcf->open_file_cache_min_uses;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
329 of.events = clcf->open_file_cache_events;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
330 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
3178
975f0558aab3 read_ahead
Igor Sysoev <igor@sysoev.ru>
parents: 3136
diff changeset
331 of.read_ahead = clcf->read_ahead;
2592
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 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
334 != NGX_OK)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
335 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
336 switch (of.err) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
337
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
338 case 0:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
339 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
340
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
341 case NGX_ENOENT:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
342 case NGX_ENOTDIR:
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
343 goto done;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
344
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
345 default:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
346 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
347 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
348 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
349 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
350 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
351
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
352 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
353 "http file cache fd: %d", of.fd);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
354
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
355 c->file.fd = of.fd;
2603
f9bd7999eb08 fix segfault if ngx_read_file() will fail
Igor Sysoev <igor@sysoev.ru>
parents: 2600
diff changeset
356 c->file.log = r->connection->log;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
357 c->uniq = of.uniq;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
358 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
359 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
360
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
361 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
362 if (c->buf == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
363 return NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
364 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
365
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
366 return ngx_http_file_cache_read(r, c);
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
367
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
368 done:
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
369
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
370 if (rv == NGX_DECLINED) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
371 return ngx_http_file_cache_lock(r, c);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
372 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
373
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
374 return rv;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
375 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
376
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
377
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
378 static ngx_int_t
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
379 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
380 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
381 ngx_msec_t now, timer;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
382 ngx_http_file_cache_t *cache;
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 if (!c->lock) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
385 return NGX_DECLINED;
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 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
389
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
390 ngx_shmtx_lock(&cache->shpool->mutex);
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 if (!c->node->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
393 c->node->updating = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
394 c->updating = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
395 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
396
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
397 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
398
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
399 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
400 "http file cache lock u:%d wt:%M",
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
401 c->updating, c->wait_time);
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->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
404 return NGX_DECLINED;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
405 }
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 c->waiting = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
408
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
409 now = ngx_current_msec;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
410
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
411 if (c->wait_time == 0) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
412 c->wait_time = now + c->lock_timeout;
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 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
415 c->wait_event.data = r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
416 c->wait_event.log = r->connection->log;
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
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
419 timer = c->wait_time - now;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
420
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
421 ngx_add_timer(&c->wait_event, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
422
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
423 r->main->blocked++;
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 return NGX_AGAIN;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
426 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
427
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 static void
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
430 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
431 {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
432 ngx_uint_t wait;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
433 ngx_msec_t timer;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
434 ngx_http_cache_t *c;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
435 ngx_http_request_t *r;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
436 ngx_http_file_cache_t *cache;
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 r = ev->data;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
439 c = r->cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
440
4387
e8181eeddaf8 Fixed build without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4385
diff changeset
441 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
442 "http file cache wait handler wt:%M cur:%M",
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
443 c->wait_time, ngx_current_msec);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
444
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
445 timer = c->wait_time - ngx_current_msec;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
446
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
447 if ((ngx_msec_int_t) timer <= 0) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
448 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0,
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
449 "http file cache lock timeout");
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
450 c->lock = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
451 goto wakeup;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
452 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
453
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
454 cache = c->file_cache;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
455 wait = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
456
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
457 ngx_shmtx_lock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
458
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
459 if (c->node->updating) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
460 wait = 1;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
461 }
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 ngx_shmtx_unlock(&cache->shpool->mutex);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
464
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
465 if (wait) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
466 ngx_add_timer(ev, (timer > 500) ? 500 : timer);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
467 return;
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
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
470 wakeup:
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 c->waiting = 0;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
473 r->main->blocked--;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
474 r->connection->write->handler(r->connection->write);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
475 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
476
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
477
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
478 static ngx_int_t
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
479 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
480 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
481 time_t now;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
482 ssize_t n;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
483 ngx_int_t rc;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
484 ngx_http_file_cache_t *cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
485 ngx_http_file_cache_header_t *h;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
486
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
487 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
488
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
489 if (n < 0) {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
490 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
491 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
492
3369
479468a7d982 fix handling cached HTTP/0.9 response
Igor Sysoev <igor@sysoev.ru>
parents: 3294
diff changeset
493 if ((size_t) n < c->header_start) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
494 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
495 "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
496 return NGX_DECLINED;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
497 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
498
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
499 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
500
3460
bbea0b19b608 fix cached FastCGI response with large stderr output before header
Igor Sysoev <igor@sysoev.ru>
parents: 3400
diff changeset
501 if (h->crc32 != c->crc32) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
502 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
503 "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
504 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
505 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
506
4339
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
507 if (h->body_start > c->body_start) {
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
508 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
509 "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
510 c->file.name.data);
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
511 return NGX_DECLINED;
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
512 }
6f97afc238de Cache: handling of cache files with long headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4338
diff changeset
513
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
514 c->buf->last += n;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
515
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
516 c->valid_sec = h->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
517 c->last_modified = h->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
518 c->date = h->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
519 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
520 c->header_start = h->header_start;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
521 c->body_start = h->body_start;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
522
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
523 r->cached = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
524
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
525 cache = c->file_cache;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
526
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
527 if (cache->sh->cold) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
528
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
529 ngx_shmtx_lock(&cache->shpool->mutex);
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
530
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
531 if (!c->node->exists) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
532 c->node->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
533 c->node->body_start = c->body_start;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
534 c->node->exists = 1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
535 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
536 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
537
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
538 cache->sh->size += c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
539 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
540
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
541 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
542 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
543
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
544 now = ngx_time();
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
545
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
546 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
547
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
548 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
549
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
550 if (c->node->updating) {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
551 rc = NGX_HTTP_CACHE_UPDATING;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
552
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
553 } else {
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
554 c->node->updating = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
555 c->updating = 1;
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
556 rc = NGX_HTTP_CACHE_STALE;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
557 }
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
558
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
559 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
560
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
561 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
562 "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
563 rc, c->valid_sec, now);
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
564
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
565 return rc;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
566 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
567
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
568 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
569 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
570
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
571
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
572 static ssize_t
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
573 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
574 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
575 #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
576 ssize_t n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
577 ngx_http_core_loc_conf_t *clcf;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
578
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
579 if (!ngx_file_aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
580 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
581 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
582
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
583 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
584
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
585 if (!clcf->aio) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
586 goto noaio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
587 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
588
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
589 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
590
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
591 if (n != NGX_AGAIN) {
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
592 return n;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
593 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
594
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
595 c->file.aio->data = r;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
596 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
597
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
598 r->main->blocked++;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
599 r->aio = 1;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
600
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
601 return NGX_AGAIN;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
602
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
603 noaio:
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
604
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
605 #endif
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
606
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
607 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
608 }
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
609
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
610
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3195
diff changeset
611 #if (NGX_HAVE_FILE_AIO)
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
612
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
613 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
614 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
615 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
616 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
617 ngx_http_request_t *r;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
618
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
619 aio = ev->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
620 r = aio->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
621
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
622 r->main->blocked--;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
623 r->aio = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
624
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
625 r->connection->write->handler(r->connection->write);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
626 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
627
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
628 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
629
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3024
diff changeset
630
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
631 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
632 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
633 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
634 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
635 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
636
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
637 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
638
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
639 fcn = c->node;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
640
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
641 if (fcn == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
642 fcn = ngx_http_file_cache_lookup(cache, c->key);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
643 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
644
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
645 if (fcn) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
646 ngx_queue_remove(&fcn->queue);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
647
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
648 if (c->node == NULL) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
649 fcn->uses++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
650 fcn->count++;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
651 }
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
652
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
653 if (fcn->error) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
654
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
655 if (fcn->valid_sec < ngx_time()) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
656 goto renew;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
657 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
658
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
659 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
660
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
661 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
662 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
663
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
664 if (fcn->exists || fcn->uses >= c->min_uses) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
665
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
666 c->exists = fcn->exists;
3969
3ea15c6b16da fix r3968
Igor Sysoev <igor@sysoev.ru>
parents: 3968
diff changeset
667 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
668 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
669 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
670
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
671 rc = NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
672
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
673 goto done;
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
3966
9c425f22ea36 fuse two if's in one condition
Igor Sysoev <igor@sysoev.ru>
parents: 3965
diff changeset
676 rc = NGX_AGAIN;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
677
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
678 goto done;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
679 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
680
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
681 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
682 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
683 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
684 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
685
2693
197cda0e767e style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2671
diff changeset
686 (void) ngx_http_file_cache_forced_expire(cache);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
687
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
688 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
689
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
690 fcn = ngx_slab_alloc_locked(cache->shpool,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
691 sizeof(ngx_http_file_cache_node_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
692 if (fcn == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
693 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
694 goto failed;
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
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
698 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
699
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
700 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
701 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
702
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
703 ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
704
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
705 fcn->uses = 1;
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
706 fcn->count = 1;
3744
77b18d36d123 zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents: 3743
diff changeset
707 fcn->updating = 0;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
708 fcn->deleting = 0;
3724
e9f0a2497d3c count cache key node usage for cached error statuses
Igor Sysoev <igor@sysoev.ru>
parents: 3723
diff changeset
709
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
710 renew:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
711
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
712 rc = NGX_DECLINED;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
713
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
714 fcn->valid_msec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
715 fcn->error = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
716 fcn->exists = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
717 fcn->valid_sec = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
718 fcn->uniq = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
719 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
720 fcn->fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
721
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
722 done:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
723
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
724 fcn->expire = ngx_time() + cache->inactive;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
725
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
726 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
727
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
728 c->uniq = fcn->uniq;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
729 c->error = fcn->error;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
730 c->node = fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
731
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
732 failed:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
733
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
734 ngx_shmtx_unlock(&cache->shpool->mutex);
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 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
737 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
738
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
739
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
740 static ngx_int_t
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
741 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
742 {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
743 u_char *p;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
744 ngx_http_cache_t *c;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
745
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
746 c = r->cache;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
747
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
748 if (c->file.name.len) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
749 return NGX_OK;
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
750 }
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
751
3696
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
752 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
753 + 2 * NGX_HTTP_CACHE_KEY_LEN;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
754
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
755 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
756 if (c->file.name.data == NULL) {
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
757 return NGX_ERROR;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
758 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
759
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
760 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
761
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
762 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
763 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
764 *p = '\0';
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
765
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
766 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
767
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
768 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
769 "cache file: \"%s\"", c->file.name.data);
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
770
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
771 return NGX_OK;
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
772 }
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
773
29fcf794c082 ngx_http_file_cache_name()
Igor Sysoev <igor@sysoev.ru>
parents: 3695
diff changeset
774
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
775 static ngx_http_file_cache_node_t *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
776 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
777 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
778 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
779 ngx_rbtree_key_t node_key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
780 ngx_rbtree_node_t *node, *sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
781 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
782
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
783 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
784
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
785 node = cache->sh->rbtree.root;
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
786 sentinel = cache->sh->rbtree.sentinel;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
787
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
788 while (node != sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
789
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
790 if (node_key < node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
791 node = node->left;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
792 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
793 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
794
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
795 if (node_key > node->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
796 node = node->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
797 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
798 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
799
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
800 /* node_key == node->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
801
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
802 fcn = (ngx_http_file_cache_node_t *) node;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
803
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
804 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
805 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
806
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
807 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
808 return fcn;
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
809 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
810
4497
95ab6658654a Fix of rbtree lookup on hash collisions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4474
diff changeset
811 node = (rc < 0) ? node->left : node->right;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
812 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
813
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
814 /* not found */
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 return NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
817 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
818
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
819
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
820 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
821 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
822 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
823 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
824 ngx_rbtree_node_t **p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
825 ngx_http_file_cache_node_t *cn, *cnt;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
826
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
827 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
828
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
829 if (node->key < temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
830
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
831 p = &temp->left;
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 } else if (node->key > temp->key) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
834
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
835 p = &temp->right;
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 } else { /* node->key == temp->key */
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
838
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
839 cn = (ngx_http_file_cache_node_t *) node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
840 cnt = (ngx_http_file_cache_node_t *) temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
841
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
842 p = (ngx_memcmp(cn->key, cnt->key,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
843 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
844 < 0)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
845 ? &temp->left : &temp->right;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
846 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
847
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
848 if (*p == sentinel) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
849 break;
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 temp = *p;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
855 *p = node;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
856 node->parent = temp;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
857 node->left = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
858 node->right = sentinel;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
859 ngx_rbt_red(node);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
860 }
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
863 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
864 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
865 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
866 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
867
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
868 u_char *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
869 ngx_str_t *key;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
870 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
871 ngx_http_cache_t *c;
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 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
874 "http file cache set header");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
875
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
876 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
877
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
878 h->valid_sec = c->valid_sec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
879 h->last_modified = c->last_modified;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
880 h->date = c->date;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
881 h->crc32 = c->crc32;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
882 h->valid_msec = (u_short) c->valid_msec;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
883 h->header_start = (u_short) c->header_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
884 h->body_start = (u_short) c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
885
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
886 p = buf + sizeof(ngx_http_file_cache_header_t);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
887
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
888 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
889
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
890 key = c->keys.elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
891 for (i = 0; i < c->keys.nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
892 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
893 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
894
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
895 *p = LF;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
896 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
897
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
898
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
899 void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
900 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
901 {
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
902 off_t fs_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
903 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
904 ngx_file_uniq_t uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
905 ngx_file_info_t fi;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
906 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
907 ngx_ext_rename_file_t ext;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
908 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
909
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
910 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
911
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
912 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
913 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
914 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
915
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
916 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
917 "http file cache update");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
918
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
919 c->updated = 1;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
920 c->updating = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
921
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
922 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
923
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
924 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
925 fs_size = 0;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
926
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
927 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
928 "http file cache rename: \"%s\" to \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
929 tf->file.name.data, c->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
930
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
931 ext.access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
932 ext.path_access = NGX_FILE_OWNER_ACCESS;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
933 ext.time = -1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
934 ext.create_path = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
935 ext.delete_file = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
936 ext.log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
937
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
938 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
939
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
940 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
941
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
942 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
943 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
944 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
945
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
946 rc = NGX_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
947
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
948 } else {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
949 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
950 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
951 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
952 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
953
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
954 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
955
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
956 c->node->count--;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
957 c->node->uniq = uniq;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
958 c->node->body_start = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
959
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
960 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
961 c->node->fs_size = fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
962
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
963 if (rc == NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
964 c->node->exists = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
965 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
966
2927
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
967 c->node->updating = 0;
55ceaef03d34 proxy_cache_use_stale/fastcgi_cache_use_stale updating
Igor Sysoev <igor@sysoev.ru>
parents: 2926
diff changeset
968
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
969 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
970 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
971
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
972
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
973 ngx_int_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
974 ngx_http_cache_send(ngx_http_request_t *r)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
975 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
976 ngx_int_t rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
977 ngx_buf_t *b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
978 ngx_chain_t out;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
979 ngx_http_cache_t *c;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
980
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
981 c = r->cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
982
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
983 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
3965
90b0487fba44 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3942
diff changeset
984 "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
985
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
986 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
987 return ngx_http_send_header(r);
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
988 }
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
989
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
990 /* 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
991
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
992 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
993 if (b == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
994 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
995 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
996
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
997 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
998 if (b->file == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
999 return NGX_HTTP_INTERNAL_SERVER_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1000 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1001
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1002 rc = ngx_http_send_header(r);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1003
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1004 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
1005 return rc;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1006 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1007
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1008 b->file_pos = c->body_start;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1009 b->file_last = c->length;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1010
4150
b9ee14871bf1 Cache: fix for sending of empty responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4034
diff changeset
1011 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
1012 b->last_buf = (r == r->main) ? 1: 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1013 b->last_in_chain = 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1014
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1015 b->file->fd = c->file.fd;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1016 b->file->name = c->file.name;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1017 b->file->log = r->connection->log;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1018
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1019 out.buf = b;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1020 out.next = NULL;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1021
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1022 return ngx_http_output_filter(r, &out);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1023 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1024
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1025
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1026 void
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1027 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
1028 {
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1029 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
1030 ngx_http_file_cache_node_t *fcn;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1031
3917
2a70484a6580 fix a broken cached response if bypass/no_cache directive values are different,
Igor Sysoev <igor@sysoev.ru>
parents: 3899
diff changeset
1032 if (c->updated || c->node == NULL) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1033 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1034 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1035
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1036 cache = c->file_cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1037
3713
f0b62d1ac7af move debug logging inside ngx_http_file_cache_free()
Igor Sysoev <igor@sysoev.ru>
parents: 3711
diff changeset
1038 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
1039 "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
1040
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1041 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1042
3694
dfb17155eca9 delete empty cache zone node if we could not get response to cache
Igor Sysoev <igor@sysoev.ru>
parents: 3526
diff changeset
1043 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
1044 fcn->count--;
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1045
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1046 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1047 fcn->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1048 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1049
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1050 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
1051 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
1052
3743
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1053 if (c->valid_sec) {
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1054 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
1055 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
1056 }
c469ffeab569 error status codes could be cached for next request only,
Igor Sysoev <igor@sysoev.ru>
parents: 3732
diff changeset
1057
3723
14ad3210fc73 do not free unused cache node if cache min_uses > 1,
Igor Sysoev <igor@sysoev.ru>
parents: 3713
diff changeset
1058 } 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
1059 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
1060 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
1061 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
1062 c->node = NULL;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1063 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1064
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1065 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1066
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1067 c->updated = 1;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1068 c->updating = 0;
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1069
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1070 if (c->temp_file) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1071 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
1072 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
1073 "http file cache incomplete: \"%s\"",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1074 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1075
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1076 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
1077 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
1078 ngx_delete_file_n " \"%s\" failed",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1079 tf->file.name.data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1080 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1081 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1082 }
4385
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1083
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1084 if (c->wait_event.timer_set) {
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1085 ngx_del_timer(&c->wait_event);
70ba81827472 Cache locks initial implementation.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4340
diff changeset
1086 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1087 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1088
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 static void
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1091 ngx_http_file_cache_cleanup(void *data)
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1092 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1093 ngx_http_cache_t *c = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1094
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1095 if (c->updated) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1096 return;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1097 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1098
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1099 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
1100 "http file cache cleanup");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1101
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1102 if (c->updating) {
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1103 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
1104 "stalled cache updating, error:%ui", c->error);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1105 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1106
3711
ce6ba077c270 several changes in cache cleanup handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3710
diff changeset
1107 ngx_http_file_cache_free(c, NULL);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1108 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1109
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1110
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1111 static time_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1112 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
1113 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1114 u_char *name;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1115 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1116 time_t wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1117 ngx_uint_t tries;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1118 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1119 ngx_queue_t *q;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1120 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1121
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1122 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
1123 "http file cache forced expire");
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1124
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1125 path = cache->path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1126 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
1127
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1128 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
1129 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1130 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1131 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1132
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1133 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
1134
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1135 wait = 10;
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1136 tries = 20;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1137
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1138 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1139
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1140 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
1141 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
1142 q = ngx_queue_prev(q))
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1143 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1144 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
1145
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1146 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
1147 "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
1148 fcn->count, fcn->exists,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1149 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
1150
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1151 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1152 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
1153 wait = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1154
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1155 } else {
3728
a29bb11f8c80 change logic slightly
Igor Sysoev <igor@sysoev.ru>
parents: 3727
diff changeset
1156 if (--tries) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1157 continue;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1158 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1159
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1160 wait = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1161 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1162
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1163 break;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1164 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1165
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1166 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1167
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1168 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1169
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1170 return wait;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1171 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1172
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1173
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1174 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1175 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
1176 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1177 u_char *name, *p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1178 size_t len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1179 time_t now, wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1180 ngx_path_t *path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1181 ngx_queue_t *q;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1182 ngx_http_file_cache_node_t *fcn;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1183 u_char key[2 * NGX_HTTP_CACHE_KEY_LEN];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1184
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1185 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
1186 "http file cache expire");
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1187
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1188 path = cache->path;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1189 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
1190
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1191 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
1192 if (name == NULL) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1193 return 10;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1194 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1195
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1196 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
1197
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1198 now = ngx_time();
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1199
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1200 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1201
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1202 for ( ;; ) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1203
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1204 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
1205 wait = 10;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1206 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1207 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1208
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1209 q = ngx_queue_last(&cache->sh->queue);
2592
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 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
1212
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1213 wait = fcn->expire - now;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1214
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1215 if (wait > 0) {
2694
49a1382b249b set cache manager maximum sleep time to 10s
Igor Sysoev <igor@sysoev.ru>
parents: 2693
diff changeset
1216 wait = wait > 10 ? 10 : wait;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1217 break;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1218 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1219
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1220 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1221 "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
1222 fcn->count, fcn->exists,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1223 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
1224
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1225 if (fcn->count == 0) {
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1226 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
1227 continue;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1228 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1229
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1230 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
1231 wait = 1;
2e8dbd773d63 fix r3756: release lock to allow other process to delete cache node
Igor Sysoev <igor@sysoev.ru>
parents: 3917
diff changeset
1232 break;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1233 }
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1234
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1235 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1236 sizeof(ngx_rbtree_key_t));
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1237 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1238 (void) ngx_hex_dump(p, fcn->key, len);
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1239
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1240 /*
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1241 * abnormally exited workers may leave locked cache entries,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1242 * 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
1243 * 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
1244 */
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1245
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1246 ngx_queue_remove(q);
4340
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1247 fcn->expire = ngx_time() + cache->inactive;
4533d7684e14 Cache: only complain on long locked entries.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4339
diff changeset
1248 ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);
3727
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1249
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1250 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1251 "ignore long locked inactive cache entry %*s, count:%d",
fd2bb219de22 change order
Igor Sysoev <igor@sysoev.ru>
parents: 3726
diff changeset
1252 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
1253 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1254
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1255 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1256
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1257 ngx_free(name);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1258
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1259 return wait;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1260 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1261
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1262
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1263 static void
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1264 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
1265 u_char *name)
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1266 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1267 u_char *p;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1268 size_t len;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1269 ngx_path_t *path;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1270 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1271
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1272 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
1273
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1274 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
1275 cache->sh->size -= fcn->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1276
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1277 path = cache->path;
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1278 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
1279 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
1280 sizeof(ngx_rbtree_key_t));
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1281 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
1282 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
1283 *p = '\0';
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1284
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1285 fcn->count++;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1286 fcn->deleting = 1;
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1287 ngx_shmtx_unlock(&cache->shpool->mutex);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1288
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1289 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
1290 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
1291
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1292 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
1293 "http file cache expire: \"%s\"", name);
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1294
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1295 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
1296 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
1297 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
1298 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1299
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1300 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
1301 fcn->count--;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1302 fcn->deleting = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1303 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1304
3726
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1305 if (fcn->count == 0) {
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1306 ngx_queue_remove(q);
282ddd49f925 *) delete cache key node after a cache file removal
Igor Sysoev <igor@sysoev.ru>
parents: 3724
diff changeset
1307 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
1308 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
1309 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1310 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1311
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1312
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1313 static time_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1314 ngx_http_file_cache_manager(void *data)
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1315 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1316 ngx_http_file_cache_t *cache = data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1317
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1318 off_t size;
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1319 time_t next, wait;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1320
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1321 next = ngx_http_file_cache_expire(cache);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1322
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1323 cache->last = ngx_current_msec;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1324 cache->files = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1325
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1326 for ( ;; ) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1327 ngx_shmtx_lock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1328
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1329 size = cache->sh->size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1330
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1331 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1332
2631
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1333 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1334 "http file cache size: %O", size);
73571521c2eb add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 2626
diff changeset
1335
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1336 if (size < cache->max_size) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1337 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1338 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1339
3885
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1340 wait = ngx_http_file_cache_forced_expire(cache);
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1341
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1342 if (wait > 0) {
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1343 return wait;
46938b7418c6 fix CPU hog in cache manager
Igor Sysoev <igor@sysoev.ru>
parents: 3755
diff changeset
1344 }
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1345
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
1346 if (ngx_quit || ngx_terminate) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1347 return next;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1348 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1349 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1350 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1351
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1352
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1353 static void
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1354 ngx_http_file_cache_loader(void *data)
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1355 {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1356 ngx_http_file_cache_t *cache = data;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1357
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1358 ngx_tree_ctx_t tree;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1359
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1360 if (!cache->sh->cold || cache->sh->loading) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1361 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1362 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1363
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1364 if (!ngx_atomic_cmp_set(&cache->sh->loading, 0, ngx_pid)) {
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1365 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1366 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1367
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1368 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1369 "http file cache loader");
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1370
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1371 tree.init_handler = NULL;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1372 tree.file_handler = ngx_http_file_cache_manage_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1373 tree.pre_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1374 tree.post_tree_handler = ngx_http_file_cache_noop;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1375 tree.spec_handler = ngx_http_file_cache_delete_file;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1376 tree.data = cache;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1377 tree.alloc = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1378 tree.log = ngx_cycle->log;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1379
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1380 cache->last = ngx_current_msec;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1381 cache->files = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1382
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1383 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
1384 cache->sh->loading = 0;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1385 return;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1386 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1387
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1388 cache->sh->cold = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1389 cache->sh->loading = 0;
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1390
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1391 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1392 "http file cache: %V %.3fM, bsize: %uz",
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1393 &cache->path->name,
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1394 ((double) cache->sh->size * cache->bsize) / (1024 * 1024),
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1395 cache->bsize);
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1396 }
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1397
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1398
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1399 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1400 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
1401 {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1402 return NGX_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1403 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1404
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 static ngx_int_t
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1407 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
1408 {
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1409 ngx_msec_t elapsed;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1410 ngx_http_file_cache_t *cache;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1411
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1412 cache = ctx->data;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1413
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1414 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
1415 (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
1416 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1417
4018
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1418 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
1419 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
1420
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1421 } else {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1422 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1423
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1424 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
1425
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1426 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
1427 "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
1428
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1429 if (elapsed >= cache->loader_threshold) {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1430 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
1431 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1432 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1433
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1434 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
1435 }
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1436
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1437
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1438 static void
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1439 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
1440 {
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1441 ngx_msleep(cache->loader_sleep);
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1442
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1443 ngx_time_update();
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1444
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1445 cache->last = ngx_current_msec;
5e544655d97b The change in adaptive loader behaviour introduced in r3975:
Igor Sysoev <igor@sysoev.ru>
parents: 3974
diff changeset
1446 cache->files = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1447 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1448
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1449
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1450 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1451 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
1452 {
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1453 u_char *p;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1454 ngx_int_t n;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1455 ngx_uint_t i;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1456 ngx_http_cache_t c;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1457 ngx_http_file_cache_t *cache;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1458
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1459 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
1460 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1461 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1462
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1463 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
1464 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
1465 "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
1466 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1467 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1468
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1469 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
1470 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
1471
3970
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1472 c.length = ctx->size;
2d05952a324d elimination of reading cache files by cache loader
Igor Sysoev <igor@sysoev.ru>
parents: 3969
diff changeset
1473 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
1474
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1475 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
1476
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1477 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
1478 n = ngx_hextoi(p, 2);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1479
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1480 if (n == NGX_ERROR) {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1481 return NGX_ERROR;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1482 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1483
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1484 p += 2;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1485
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1486 c.key[i] = (u_char) n;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1487 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1488
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1489 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
1490 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1491
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1492
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1493 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1494 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
1495 {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1496 ngx_http_file_cache_node_t *fcn;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1497
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1498 ngx_shmtx_lock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1499
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1500 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
1501
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1502 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1503
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1504 fcn = ngx_slab_alloc_locked(cache->shpool,
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1505 sizeof(ngx_http_file_cache_node_t));
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1506 if (fcn == NULL) {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1507 ngx_shmtx_unlock(&cache->shpool->mutex);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1508 return NGX_ERROR;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1509 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1510
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1511 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
1512
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1513 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
1514 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
1515
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1516 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
1517
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1518 fcn->uses = 1;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1519 fcn->count = 0;
3967
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1520 fcn->valid_msec = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1521 fcn->error = 0;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1522 fcn->exists = 1;
3744
77b18d36d123 zero fcn->updating after node allocation
Igor Sysoev <igor@sysoev.ru>
parents: 3743
diff changeset
1523 fcn->updating = 0;
3755
76e3a93821b1 fix race condition if during reconfiguration two cache managers try
Igor Sysoev <igor@sysoev.ru>
parents: 3744
diff changeset
1524 fcn->deleting = 0;
3968
d7ed8b8b0cdd update the previous commit:
Igor Sysoev <igor@sysoev.ru>
parents: 3967
diff changeset
1525 fcn->uniq = 0;
3967
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1526 fcn->valid_sec = 0;
83e41f6f6d96 The cache loader performs two tasks: inserting cache objects in inactivity
Igor Sysoev <igor@sysoev.ru>
parents: 3966
diff changeset
1527 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
1528 fcn->fs_size = c->fs_size;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1529
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3885
diff changeset
1530 cache->sh->size += c->fs_size;
2616
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 } else {
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1533 ngx_queue_remove(&fcn->queue);
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
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1536 fcn->expire = ngx_time() + cache->inactive;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1537
2720
b3b8c66bd520 support attaching to an existent Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2716
diff changeset
1538 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
1539
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1540 ngx_shmtx_unlock(&cache->shpool->mutex);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1541
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1542 return NGX_OK;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1543 }
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1544
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1545
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1546 static ngx_int_t
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1547 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
1548 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1549 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
1550 "http file cache delete: \"%s\"", path->data);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1551
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1552 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1553 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
1554 ngx_delete_file_n " \"%s\" failed", path->data);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1555 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1556
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1557 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1558 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1559
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1560
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1561 time_t
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1562 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
1563 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1564 ngx_uint_t i;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1565 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
1566
2626
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1567 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
1568 return 0;
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1569 }
b0cfe5f66e8d fix segfault introduced in r2602 if there is 502/504 error
Igor Sysoev <igor@sysoev.ru>
parents: 2616
diff changeset
1570
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1571 valid = cache_valid->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1572 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
1573
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1574 if (valid[i].status == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1575 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
1576 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1577
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1578 if (valid[i].status == status) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1579 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
1580 }
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1581 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1582
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1583 return 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1584 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1585
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1586
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1587 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1588 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
1589 {
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1590 off_t max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1591 u_char *last, *p;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1592 time_t inactive;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1593 ssize_t size;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1594 ngx_str_t s, name, *value;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1595 ngx_int_t loader_files;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1596 ngx_msec_t loader_sleep, loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1597 ngx_uint_t i, n;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1598 ngx_http_file_cache_t *cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1599
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1600 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
1601 if (cache == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1602 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1603 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1604
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1605 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
1606 if (cache->path == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1607 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1608 }
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 inactive = 600;
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1611 loader_files = 100;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1612 loader_sleep = 50;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1613 loader_threshold = 200;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1614
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1615 name.len = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1616 size = 0;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1617 max_size = NGX_MAX_OFF_T_VALUE;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1618
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1619 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1620
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1621 cache->path->name = value[1];
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 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
1624 cache->path->name.len--;
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
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1627 if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1628 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1629 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1630
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1631 for (i = 2; i < cf->args->nelts; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1632
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1633 if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
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 p = value[i].data + 7;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1636 last = value[i].data + value[i].len;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1637
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1638 for (n = 0; n < 3 && p < last; n++) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1639
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1640 if (*p > '0' && *p < '3') {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1641
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1642 cache->path->level[n] = *p++ - '0';
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1643 cache->path->len += cache->path->level[n] + 1;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1644
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1645 if (p == last) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1646 break;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1647 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1648
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1649 if (*p++ == ':' && n < 2 && p != last) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1650 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1651 }
2671
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1652
627dee566f6c fix cache path slot
Igor Sysoev <igor@sysoev.ru>
parents: 2632
diff changeset
1653 goto invalid_levels;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1654 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1655
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1656 goto invalid_levels;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1657 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1658
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1659 if (cache->path->len < 10 + 3) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1660 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1661 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1662
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1663 invalid_levels:
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1664
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1665 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1666 "invalid \"levels\" \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1667 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1668 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1669
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1670 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
1671
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1672 name.data = value[i].data + 10;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1673
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1674 p = (u_char *) ngx_strchr(name.data, ':');
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 if (p) {
2716
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
1677 *p = '\0';
d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents: 2694
diff changeset
1678
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1679 name.len = p - name.data;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1680
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1681 p++;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1682
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1683 s.len = value[i].data + value[i].len - p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1684 s.data = p;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1685
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1686 size = ngx_parse_size(&s);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1687 if (size > 8191) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1688 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1689 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1690 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1691
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1692 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1693 "invalid keys zone size \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1694 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1695 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1696
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1697 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1698
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1699 s.len = value[i].len - 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1700 s.data = value[i].data + 9;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1701
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1702 inactive = ngx_parse_time(&s, 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1703 if (inactive == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1704 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1705 "invalid inactive value \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1706 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1707 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1708
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1709 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1710 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1711
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1712 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
1713
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1714 s.len = value[i].len - 9;
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1715 s.data = value[i].data + 9;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1716
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1717 max_size = ngx_parse_offset(&s);
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1718 if (max_size < 0) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1719 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
1720 "invalid max_size value \"%V\"", &value[i]);
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1721 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1722 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1723
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1724 continue;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1725 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1726
3974
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1727 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
1728
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1729 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
1730 if (loader_files == NGX_ERROR) {
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1731 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
1732 "invalid loader_files value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1733 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1734 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1735
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1736 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1737 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1738
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1739 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
1740
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1741 s.len = value[i].len - 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1742 s.data = value[i].data + 13;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1743
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1744 loader_sleep = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1745 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
1746 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
1747 "invalid loader_sleep value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1748 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1749 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1750
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1751 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1752 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1753
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1754 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
1755
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1756 s.len = value[i].len - 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1757 s.data = value[i].data + 17;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1758
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1759 loader_threshold = ngx_parse_time(&s, 0);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1760 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
1761 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
1762 "invalid loader_threshold value \"%V\"", &value[i]);
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1763 return NGX_CONF_ERROR;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1764 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1765
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1766 continue;
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1767 }
d10bcb07d9d4 loader_files, loader_sleep, and loader_threshold
Igor Sysoev <igor@sysoev.ru>
parents: 3973
diff changeset
1768
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1769 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1770 "invalid parameter \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1771 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1772 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1773
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1774 if (name.len == 0 || size == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1775 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1776 "\"%V\" must have \"keys_zone\" parameter",
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1777 &cmd->name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1778 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1779 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1780
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1781 cache->path->manager = ngx_http_file_cache_manager;
3018
8fc7b94f647b cache loader process
Igor Sysoev <igor@sysoev.ru>
parents: 3017
diff changeset
1782 cache->path->loader = ngx_http_file_cache_loader;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1783 cache->path->data = cache;
3973
9d6f21415231 set correct configuration file values while adding path
Igor Sysoev <igor@sysoev.ru>
parents: 3972
diff changeset
1784 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
1785 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
1786 cache->loader_files = loader_files;
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1787 cache->loader_sleep = loader_sleep;
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1788 cache->loader_threshold = loader_threshold;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1789
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1790 if (ngx_add_path(cf, &cache->path) != NGX_OK) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1791 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1792 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1793
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1794 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
1795 if (cache->shm_zone == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1796 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1797 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1798
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1799 if (cache->shm_zone->data) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1800 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1801 "duplicate zone \"%V\"", &name);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1802 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1803 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1804
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1805
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1806 cache->shm_zone->init = ngx_http_file_cache_init;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1807 cache->shm_zone->data = cache;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1808
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1809 cache->inactive = inactive;
2616
d19979e0d980 introduce cache manager instead of cache cleaner
Igor Sysoev <igor@sysoev.ru>
parents: 2611
diff changeset
1810 cache->max_size = max_size;
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1811
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1812 return NGX_CONF_OK;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1813 }
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1814
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1815
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1816 char *
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1817 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
1818 void *conf)
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1819 {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1820 char *p = conf;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1821
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1822 time_t valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1823 ngx_str_t *value;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1824 ngx_uint_t i, n, status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1825 ngx_array_t **a;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1826 ngx_http_cache_valid_t *v;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1827 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
1828
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1829 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
1830
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1831 if (*a == NGX_CONF_UNSET_PTR) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1832 *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
1833 if (*a == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1834 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1835 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1836 }
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1837
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1838 value = cf->args->elts;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1839 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
1840
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1841 valid = ngx_parse_time(&value[n], 1);
4474
41f640a693de Time parsing cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
1842 if (valid == (time_t) NGX_ERROR) {
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1843 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1844 "invalid time value \"%V\"", &value[n]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1845 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
1846 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1847
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1848 if (n == 1) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1849
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1850 for (i = 0; i < 3; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1851 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1852 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1853 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1854 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1855
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1856 v->status = statuses[i];
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1857 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1858 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1859
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1860 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
1861 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1862
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1863 for (i = 1; i < n; i++) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1864
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1865 if (ngx_strcmp(value[i].data, "any") == 0) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1866
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1867 status = 0;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1868
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1869 } else {
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1870
2592
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1871 status = ngx_atoi(value[i].data, value[i].len);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1872 if (status < 100) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1873 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1874 "invalid status \"%V\"", &value[i]);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1875 return NGX_CONF_ERROR;
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 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1878
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1879 v = ngx_array_push(*a);
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1880 if (v == NULL) {
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1881 return NGX_CONF_ERROR;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1882 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1883
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1884 v->status = status;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1885 v->valid = valid;
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1886 }
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1887
3a8a53c0c42f a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
1888 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
1889 }