Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_not_modified_filter_module.c @ 4228:5fef0313f2ff
Decrease of log level of some SSL handshake errors.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 25 Oct 2011 15:04:09 +0000 |
parents | 80cc7c8bb845 |
children | d620f497c50f |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
4 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
5 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_http.h> |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
3814
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
12 static ngx_int_t ngx_http_test_precondition(ngx_http_request_t *r); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
13 static ngx_int_t ngx_http_test_not_modified(ngx_http_request_t *r); |
681 | 14 static ngx_int_t ngx_http_not_modified_filter_init(ngx_conf_t *cf); |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
15 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
16 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 static ngx_http_module_t ngx_http_not_modified_filter_module_ctx = { |
509 | 18 NULL, /* preconfiguration */ |
681 | 19 ngx_http_not_modified_filter_init, /* postconfiguration */ |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
20 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 NULL, /* create main configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
22 NULL, /* init main configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
23 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
24 NULL, /* create server configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
25 NULL, /* merge server configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
26 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
27 NULL, /* create location configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
28 NULL /* merge location configuration */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
29 }; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
30 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
31 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
32 ngx_module_t ngx_http_not_modified_filter_module = { |
509 | 33 NGX_MODULE_V1, |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
34 &ngx_http_not_modified_filter_module_ctx, /* module context */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
35 NULL, /* module directives */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
36 NGX_HTTP_MODULE, /* module type */ |
541 | 37 NULL, /* init master */ |
681 | 38 NULL, /* init module */ |
541 | 39 NULL, /* init process */ |
40 NULL, /* init thread */ | |
41 NULL, /* exit thread */ | |
42 NULL, /* exit process */ | |
43 NULL, /* exit master */ | |
44 NGX_MODULE_V1_PADDING | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
45 }; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
46 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
47 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
48 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
49 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
50 |
2702 | 51 static ngx_int_t |
52 ngx_http_not_modified_header_filter(ngx_http_request_t *r) | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
53 { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
54 if (r->headers_out.status != NGX_HTTP_OK |
597 | 55 || r != r->main |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
56 || r->headers_out.last_modified_time == -1) |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
57 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
58 return ngx_http_next_header_filter(r); |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
59 } |
3854
80cc7c8bb845
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
3814
diff
changeset
|
60 |
3814
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
61 if (r->headers_in.if_unmodified_since) { |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
62 return ngx_http_test_precondition(r); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
63 } |
3854
80cc7c8bb845
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
3814
diff
changeset
|
64 |
3814
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
65 if (r->headers_in.if_modified_since) { |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
66 return ngx_http_test_not_modified(r); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
67 } |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
68 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
69 return ngx_http_next_header_filter(r); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
70 } |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
71 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
72 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
73 static ngx_int_t |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
74 ngx_http_test_precondition(ngx_http_request_t *r) |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
75 { |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
76 time_t iums; |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
77 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
78 iums = ngx_http_parse_time(r->headers_in.if_unmodified_since->value.data, |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
79 r->headers_in.if_unmodified_since->value.len); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
80 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
81 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
82 "http iums:%d lm:%d", iums, r->headers_out.last_modified_time); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
83 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
84 if (iums >= r->headers_out.last_modified_time) { |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
85 return ngx_http_next_header_filter(r); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
86 } |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
87 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
88 return ngx_http_filter_finalize_request(r, NULL, |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
89 NGX_HTTP_PRECONDITION_FAILED); |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
90 } |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
91 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
92 |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
93 static ngx_int_t |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
94 ngx_http_test_not_modified(ngx_http_request_t *r) |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
95 { |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
96 time_t ims; |
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3308
diff
changeset
|
97 ngx_http_core_loc_conf_t *clcf; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
98 |
2496 | 99 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
100 | |
101 if (clcf->if_modified_since == NGX_HTTP_IMS_OFF) { | |
102 return ngx_http_next_header_filter(r); | |
103 } | |
104 | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
105 ims = ngx_http_parse_time(r->headers_in.if_modified_since->value.data, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
106 r->headers_in.if_modified_since->value.len); |
577 | 107 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
108 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
109 "http ims:%d lm:%d", ims, r->headers_out.last_modified_time); |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 |
2361 | 111 if (ims != r->headers_out.last_modified_time) { |
112 | |
2496 | 113 if (clcf->if_modified_since == NGX_HTTP_IMS_EXACT |
2361 | 114 || ims < r->headers_out.last_modified_time) |
115 { | |
116 return ngx_http_next_header_filter(r); | |
117 } | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
2361 | 120 r->headers_out.status = NGX_HTTP_NOT_MODIFIED; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2496
diff
changeset
|
121 r->headers_out.status_line.len = 0; |
2361 | 122 r->headers_out.content_type.len = 0; |
123 ngx_http_clear_content_length(r); | |
124 ngx_http_clear_accept_ranges(r); | |
125 | |
3308
793ae4dd91e9
remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents:
2702
diff
changeset
|
126 if (r->headers_out.content_encoding) { |
793ae4dd91e9
remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents:
2702
diff
changeset
|
127 r->headers_out.content_encoding->hash = 0; |
793ae4dd91e9
remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents:
2702
diff
changeset
|
128 r->headers_out.content_encoding = NULL; |
793ae4dd91e9
remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents:
2702
diff
changeset
|
129 } |
793ae4dd91e9
remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents:
2702
diff
changeset
|
130 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
131 return ngx_http_next_header_filter(r); |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
2702 | 135 static ngx_int_t |
136 ngx_http_not_modified_filter_init(ngx_conf_t *cf) | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
138 ngx_http_next_header_filter = ngx_http_top_header_filter; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 ngx_http_top_header_filter = ngx_http_not_modified_header_filter; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 return NGX_OK; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 } |