Mercurial > hg > nginx

annotate src/http/ngx_http_cache.c @ 191:71ce40b3c37b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-11-19-19:26:41 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 19 Nov 2003 16:26:41 +0000
parents 02a715e85df1
children 8dee38ea9117
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
2 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
3 #include <ngx_core.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
4 #include <ngx_http.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
5
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
6
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
7 #include <md5.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
8
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
9 #if (HAVE_OPENSSL_MD5)
180
2d143372a1ee nginx-0.0.1-2003-11-12-01:16:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
10 #define MD5Init MD5_Init
2d143372a1ee nginx-0.0.1-2003-11-12-01:16:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
11 #define MD5Update MD5_Update
2d143372a1ee nginx-0.0.1-2003-11-12-01:16:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
12 #define MD5Final MD5_Final
2d143372a1ee nginx-0.0.1-2003-11-12-01:16:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
13 #endif
2d143372a1ee nginx-0.0.1-2003-11-12-01:16:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
14
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
15
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
16 int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
17 {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
18 MD5_CTX md5;
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
19
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
20 ctx->header_size = sizeof(ngx_http_cache_header_t) + ctx->key.len + 1;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
21
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
22 ctx->file.name.len = ctx->path->name.len + 1 + ctx->path->len + 32;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
23 if (!(ctx->file.name.data = ngx_palloc(r->pool, ctx->file.name.len + 1))) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
24 return NGX_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
25 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
26
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
27 ngx_memcpy(ctx->file.name.data, ctx->path->name.data, ctx->path->name.len);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
28
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
29 MD5Init(&md5);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
30 MD5Update(&md5, (u_char *) ctx->key.data, ctx->key.len);
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
31 MD5Final(ctx->md5, &md5);
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
32
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
33 ngx_md5_text(ctx->file.name.data + ctx->path->name.len + 1 + ctx->path->len,
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
34 ctx->md5);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
35
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
36 ngx_log_debug(r->connection->log, "URL: %s, md5: %s" _ ctx->key.data _
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
37 ctx->file.name.data + ctx->path->name.len + 1 + ctx->path->len);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
38
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
39 ngx_create_hashed_filename(&ctx->file, ctx->path);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
40
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
41 ngx_log_debug(r->connection->log, "FILE: %s" _ ctx->file.name.data);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
42
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
43 /* TODO: look open files cache */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
44
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
45 return ngx_http_cache_open_file(ctx, 0);
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
46 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
47
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
48
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
49 /* TODO: Win32 inode analogy */
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
50
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
51 int ngx_http_cache_open_file(ngx_http_cache_ctx_t *ctx, ngx_file_uniq_t uniq)
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
52 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
53 ssize_t n;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
54 ngx_err_t err;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
55 ngx_http_cache_header_t *h;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
56
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
57 ctx->file.fd = ngx_open_file(ctx->file.name.data,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
58 NGX_FILE_RDONLY, NGX_FILE_OPEN);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
59
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
60 if (ctx->file.fd == NGX_INVALID_FILE) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
61 err = ngx_errno;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
62
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
63 if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
64 return NGX_DECLINED;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
65 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
66
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
67 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
68 ngx_open_file_n " \"%s\" failed", ctx->file.name.data);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
69 return NGX_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
70 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
71
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
72 if (uniq) {
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
73 if (ngx_fd_info(ctx->file.fd, &ctx->file.info) == NGX_FILE_ERROR) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
74 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
75 ngx_fd_info_n " \"%s\" failed", ctx->file.name.data);
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
76
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
77 return NGX_ERROR;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
78 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
79
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
80 if (ngx_file_uniq(&ctx->file.info) == uniq) {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
81 if (ngx_close_file(ctx->file.fd) == NGX_FILE_ERROR) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
82 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
83 ngx_close_file_n " \"%s\" failed",
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
84 ctx->file.name.data);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
85 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
86
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
87 return NGX_HTTP_CACHE_THE_SAME;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
88 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
89 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
90
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
91 n = ngx_read_file(&ctx->file, ctx->buf->pos,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
92 ctx->buf->end - ctx->buf->last, 0);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
93
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
94 if (n == NGX_ERROR || n == NGX_AGAIN) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
95 return n;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
96 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
97
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
98 if (n <= ctx->header_size) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
99 ngx_log_error(NGX_LOG_CRIT, ctx->log, 0,
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
100 "cache file \"%s\" is too small", ctx->file.name.data);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
101 return NGX_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
102 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
103
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
104 h = (ngx_http_cache_header_t *) ctx->buf->pos;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
105 ctx->expires = h->expires;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
106 ctx->last_modified= h->last_modified;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
107 ctx->date = h->date;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
108 ctx->length = h->length;
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
109
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 190
diff changeset
110 if (h->key_len > (size_t) (ctx->buf->end - ctx->buf->pos)) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
111 ngx_log_error(NGX_LOG_ALERT, ctx->log, 0,
189
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
112 "cache file \"%s\" is probably invalid",
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
113 ctx->file.name.data);
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
114 return NGX_DECLINED;
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
115 }
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
116
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
117 if (ctx->key.len
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
118 && (h->key_len != ctx->key.len
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
119 || ngx_strncmp(h->key, ctx->key.data, h->key_len) != 0))
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
120 {
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
121 h->key[h->key_len] = '\0';
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
122 ngx_log_error(NGX_LOG_ALERT, ctx->log, 0,
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
123 "md5 collision: \"%s\" and \"%s\"",
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
124 h->key, ctx->key.data);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
125 return NGX_DECLINED;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
126 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
127
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
128 ctx->buf->last += n;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
129
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
130 if (ctx->expires < ngx_time()) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
131 ngx_log_debug(ctx->log, "EXPIRED");
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
132 return NGX_HTTP_CACHE_STALE;
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
133 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
134
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
135 /* TODO: NGX_HTTP_CACHE_AGED */
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
136
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
137 return NGX_OK;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
138 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
139
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
140
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
141 int ngx_garbage_collector_http_cache_handler(ngx_gc_t *gc, ngx_str_t *name,
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
142 ngx_dir_t *dir)
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
143 {
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
144 int rc;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
145 char data[sizeof(ngx_http_cache_header_t)];
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
146 ngx_hunk_t buf;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
147 ngx_http_cache_ctx_t ctx;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
148
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
149 ctx.file.fd = NGX_INVALID_FILE;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
150 ctx.file.name = *name;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
151 ctx.file.log = gc->log;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
152
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
153 ctx.header_size = sizeof(ngx_http_cache_header_t);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
154 ctx.buf = &buf;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
155 ctx.log = gc->log;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
156 ctx.key.len = 0;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
157
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
158 buf.type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
159 buf.pos = data;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
160 buf.last = data;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
161 buf.start = data;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
162 buf.end = data + sizeof(ngx_http_cache_header_t);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
163
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
164 rc = ngx_http_cache_open_file(&ctx, 0);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
165
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
166 /* TODO: NGX_AGAIN */
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
167
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
168 if (rc != NGX_ERROR && rc != NGX_DECLINED && rc != NGX_HTTP_CACHE_STALE) {
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
169 return NGX_OK;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
170 }
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
171
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
172 if (ngx_delete_file(name->data) == NGX_FILE_ERROR) {
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
173 ngx_log_error(NGX_LOG_CRIT, gc->log, ngx_errno,
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
174 ngx_delete_file_n " \"%s\" failed", name->data);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
175 return NGX_ERROR;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
176 }
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
177
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
178 gc->deleted++;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
179 gc->freed += ngx_de_size(dir);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
180
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
181 return NGX_OK;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
182 }
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
183
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 189
diff changeset
184
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
185 int ngx_http_cache_update_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
186 ngx_str_t *temp_file)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
187 {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
188 int retry;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
189 ngx_err_t err;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
190
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
191 retry = 0;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
192
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
193 for ( ;; ) {
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
194 if (ngx_rename_file(temp_file->data, ctx->file.name.data) == NGX_OK) {
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
195 return NGX_OK;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
196 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
197
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
198 err = ngx_errno;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
199
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
200 #if (WIN32)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
201 if (err == NGX_EEXIST) {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
202 if (ngx_win32_rename_file(temp_file, &ctx->file.name, r->pool)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
203 == NGX_ERROR)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
204 {
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
205 return NGX_ERROR;
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
206 }
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
207 }
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
208 #endif
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
209
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
210 if (retry || (err != NGX_ENOENT && err != NGX_ENOTDIR)) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
211 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
212 ngx_rename_file_n "(\"%s\", \"%s\") failed",
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
213 temp_file->data, ctx->file.name.data);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
214
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
215 return NGX_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
216 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
217
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
218 if (ngx_create_path(&ctx->file, ctx->path) == NGX_ERROR) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
219 return NGX_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
220 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
221
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
222 retry = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
223 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
224 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
225
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
226
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
227 #if 0
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
229 /*
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
230 * small file in malloc()ed memory, mmap()ed file, file descriptor only,
105
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
231 * file access time only (to estimate could pages still be in memory),
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
232 * translated URI (ngx_http_index_hanlder),
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
233 * compiled script (ngx_http_ssi_filter).
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
234 */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
235
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 #define NGX_HTTP_CACHE_ENTRY_DELETED 0x00000001
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 #define NGX_HTTP_CACHE_ENTRY_MMAPED 0x00000002
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 /* "/" -> "/index.html" in ngx_http_index_handler */
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 #define NGX_HTTP_CACHE_ENTRY_URI 0x00000004
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
105
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
243 /* 301 location "/dir" -> "dir/" in ngx_http_core_handler */
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
244
00bee6e7b485 nginx-0.0.1-2003-06-15-22:32:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
245 /* compiled script in ngx_http_ssi_filter */
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
246 #define NGX_HTTP_CACHE_ENTRY_SCRIPT 0x00000008
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
247
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 #define NGX_HTTP_CACHE_FILTER_FLAGS 0xFFFF0000
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 typedef struct {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 ngx_fd_t fd;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 off_t size;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 void *data;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 time_t accessed;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 time_t last_modified;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 time_t updated; /* no needed with kqueue */
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258 int refs;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 int flags;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 } ngx_http_cache_entry_t;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263 typedef struct {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264 u_int32_t crc;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265 ngx_str_t uri;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266 ngx_http_cache_t *cache;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267 } ngx_http_cache_hash_entry_t;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
269
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
270 typedef struct {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
271 ngx_http_cache_t *cache;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
272 u_int32_t crc;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 int n;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 } ngx_http_cache_handle_t;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
277 int ngx_http_cache_get(ngx_http_cache_hash_t *cache_hash,
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 ngx_str_t *uri, ngx_http_cache_handle_t *h)
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279 {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
280 int hi;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281 ngx_http_cache_hash_entry_t *entry;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
283 h->crc = ngx_crc(uri->data, uri->len);
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
284
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
285 hi = h->crc % cache_hash->size;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286 entry = cache_hash[hi].elts;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288 for (i = 0; i < cache_hash[hi].nelts; i++) {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289 if (entry[i].crc == crc
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 && entry[i].uri.len == uri->len
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291 && ngx_strncmp(entry[i].uri.data, uri->data, uri->len) == 0
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292 {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 h->cache = entry[i].cache;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
294 h->cache->refs++;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
295 h->n = hi;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
296 return NGX_OK;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
297 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
298 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
299
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
300 return NGX_ERROR;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301 }
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
302
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
303
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
304 /* 32-bit crc16 */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
305
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
306 int ngx_crc(char *data, size_t len)
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
307 {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
308 u_int32_t sum;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
309
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
310 for (sum = 0; len; len--) {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
311 /*
107
b5be4b0448d3 nginx-0.0.1-2003-07-01-19:00:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 105
diff changeset
312 * gcc 2.95.2 x86 and icc 7.1.006 compile that operator
b5be4b0448d3 nginx-0.0.1-2003-07-01-19:00:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 105
diff changeset
313 * into the single rol opcode.
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
314 * msvc 6.0sp2 compiles it into four opcodes.
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
315 */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
316 sum = sum >> 1 | sum << 31;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
317
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
318 sum += *data++;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
319 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
320
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
321 return sum;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
322 }
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
323
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 107
diff changeset
324 #endif