Mercurial > hg > nginx
annotate src/http/ngx_http_write_filter_module.c @ 507:cd3117ad9aab release-0.1.28
nginx-0.1.28-RELEASE import
*) Bugfix: nginx hogs CPU while proxying the huge files.
*) Bugfix: nginx could not be built by gcc 4.0 on Linux.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 08 Apr 2005 15:18:55 +0000 |
parents | d4ea69372b94 |
children | 9b8c906f6e63 |
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:
403
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:
403
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:
403
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:
403
diff
changeset
|
5 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
8 #include <ngx_core.h> |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
9 #include <ngx_event.h> |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
10 #include <ngx_http.h> |
43
53cd05892261
nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
42
diff
changeset
|
11 |
53cd05892261
nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
42
diff
changeset
|
12 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
13 typedef struct { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
14 ngx_chain_t *out; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
15 } ngx_http_write_filter_ctx_t; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
16 |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
18 static ngx_int_t ngx_http_write_filter_init(ngx_cycle_t *cycle); |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
9
diff
changeset
|
19 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
20 |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
21 ngx_http_module_t ngx_http_write_filter_module_ctx = { |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
22 NULL, /* pre conf */ |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
23 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
24 NULL, /* create main configuration */ |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
25 NULL, /* init main configuration */ |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
26 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
27 NULL, /* create server configuration */ |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
28 NULL, /* merge server configuration */ |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
29 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
30 NULL, /* create location configuration */ |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
31 NULL, /* merge location configuration */ |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
9
diff
changeset
|
32 }; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
33 |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
34 |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
35 ngx_module_t ngx_http_write_filter_module = { |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
36 NGX_MODULE, |
90
37530da31268
nginx-0.0.1-2003-05-16-19:27:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
37 &ngx_http_write_filter_module_ctx, /* module context */ |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
38 NULL, /* module directives */ |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
39 NGX_HTTP_MODULE, /* module type */ |
110
152567c11325
nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
40 ngx_http_write_filter_init, /* init module */ |
303
00c5660d2707
nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
41 NULL /* init process */ |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
42 }; |
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
43 |
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
44 |
501 | 45 ngx_int_t |
46 ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
47 { |
499 | 48 off_t size, sent; |
49 ngx_uint_t last, flush; | |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
50 ngx_chain_t *cl, *ln, **ll, *chain; |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
51 ngx_connection_t *c; |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
52 ngx_http_core_loc_conf_t *clcf; |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
53 ngx_http_write_filter_ctx_t *ctx; |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
54 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
55 ctx = ngx_http_get_module_ctx(r->main ? r->main : r, |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
56 ngx_http_write_filter_module); |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
90
diff
changeset
|
57 |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
58 if (ctx == NULL) { |
501 | 59 |
60 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_write_filter_ctx_t)); | |
61 if (ctx == NULL) { | |
62 return NGX_ERROR; | |
63 } | |
64 | |
65 ngx_http_set_ctx(r, ctx, ngx_http_write_filter_module); | |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
66 } |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
67 |
303
00c5660d2707
nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
68 size = 0; |
00c5660d2707
nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
69 flush = 0; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
70 last = 0; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
71 ll = &ctx->out; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
72 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
73 /* find the size, the flush point and the last link of the saved chain */ |
71
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
74 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
75 for (cl = ctx->out; cl; cl = cl->next) { |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
76 ll = &cl->next; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
77 |
479 | 78 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, |
79 "write old buf t:%d f:%d %p, pos %p, size: %z " | |
80 "file: %O, size: %z", | |
81 cl->buf->temporary, cl->buf->in_file, | |
82 cl->buf->start, cl->buf->pos, | |
83 cl->buf->last - cl->buf->pos, | |
84 cl->buf->file_pos, | |
85 cl->buf->file_last - cl->buf->file_pos); | |
86 | |
461 | 87 #if 1 |
88 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { | |
479 | 89 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
483 | 90 "zero size buf in writer " |
91 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
92 cl->buf->temporary, | |
93 cl->buf->recycled, | |
94 cl->buf->in_file, | |
95 cl->buf->start, | |
96 cl->buf->pos, | |
97 cl->buf->last, | |
98 cl->buf->file, | |
99 cl->buf->file_pos, | |
100 cl->buf->file_last); | |
101 | |
461 | 102 ngx_debug_point(); |
489 | 103 return NGX_ERROR; |
461 | 104 } |
105 #endif | |
106 | |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
333
diff
changeset
|
107 size += ngx_buf_size(cl->buf); |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
108 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
333
diff
changeset
|
109 if (cl->buf->flush || cl->buf->recycled) { |
499 | 110 flush = 1; |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
111 } |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
333
diff
changeset
|
113 if (cl->buf->last_buf) { |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 last = 1; |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
115 } |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 } |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
118 /* add the new chain to the existent one */ |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
119 |
332
159dd60d257a
nginx-0.0.3-2004-05-10-23:53:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
120 for (ln = in; ln; ln = ln->next) { |
501 | 121 cl = ngx_alloc_chain_link(r->pool); |
122 if (cl == NULL) { | |
461 | 123 return NGX_ERROR; |
124 } | |
125 | |
126 cl->buf = ln->buf; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
127 *ll = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
128 ll = &cl->next; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
129 |
479 | 130 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, |
131 "write new buf t:%d f:%d %p, pos %p, size: %z " | |
132 "file: %O, size: %z", | |
133 cl->buf->temporary, cl->buf->in_file, | |
134 cl->buf->start, cl->buf->pos, | |
135 cl->buf->last - cl->buf->pos, | |
136 cl->buf->file_pos, | |
137 cl->buf->file_last - cl->buf->file_pos); | |
138 | |
461 | 139 #if 1 |
140 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { | |
479 | 141 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
483 | 142 "zero size buf in writer " |
143 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
144 cl->buf->temporary, | |
145 cl->buf->recycled, | |
146 cl->buf->in_file, | |
147 cl->buf->start, | |
148 cl->buf->pos, | |
149 cl->buf->last, | |
150 cl->buf->file, | |
151 cl->buf->file_pos, | |
152 cl->buf->file_last); | |
153 | |
461 | 154 ngx_debug_point(); |
489 | 155 return NGX_ERROR; |
461 | 156 } |
157 #endif | |
158 | |
403
ea3113b181d1
nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
159 size += ngx_buf_size(cl->buf); |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
160 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
333
diff
changeset
|
161 if (cl->buf->flush || cl->buf->recycled) { |
499 | 162 flush = 1; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
163 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
164 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
333
diff
changeset
|
165 if (cl->buf->last_buf) { |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
166 last = 1; |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
167 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
168 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
169 |
461 | 170 *ll = NULL; |
171 | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
172 c = r->connection; |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
173 |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
174 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
499 | 175 "http write filter: l:%d f:%d s:%O", last, flush, size); |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
176 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
177 clcf = ngx_http_get_module_loc_conf(r->main ? r->main : r, |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
178 ngx_http_core_module); |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
179 |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
119
diff
changeset
|
180 /* |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
181 * avoid the output if there is no last buf, no flush point, |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
182 * there are the incoming bufs and the size of all bufs |
332
159dd60d257a
nginx-0.0.3-2004-05-10-23:53:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
183 * is smaller than "postpone_output" directive |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
119
diff
changeset
|
184 */ |
71
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
185 |
499 | 186 if (!last && !flush && in && size < (off_t) clcf->postpone_output) { |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
187 return NGX_OK; |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
188 } |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
190 if (c->write->delayed) { |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
191 return NGX_AGAIN; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
192 } |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
193 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
194 if (size == 0 && !c->buffered) { |
483 | 195 if (last) { |
196 return NGX_OK; | |
197 } | |
461 | 198 |
499 | 199 if (flush) { |
501 | 200 do { |
201 ctx->out = ctx->out->next; | |
202 } | |
203 while (ctx->out); | |
204 | |
499 | 205 return NGX_OK; |
206 } | |
207 | |
483 | 208 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
209 "the http output chain is empty"); | |
461 | 210 |
483 | 211 ngx_debug_point(); |
212 | |
213 return NGX_ERROR; | |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
214 } |
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
215 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
216 sent = c->sent; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
217 |
473 | 218 chain = c->send_chain(c, ctx->out, clcf->limit_rate); |
61
4f3e2abcc2c4
nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
219 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
220 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
461 | 221 "http write filter %p", chain); |
61
4f3e2abcc2c4
nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
222 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
223 if (clcf->limit_rate) { |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
224 sent = c->sent - sent; |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
225 c->write->delayed = 1; |
363
f2755a2885c8
nginx-0.0.7-2004-06-21-23:22:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
226 ngx_add_timer(r->connection->write, |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
363
diff
changeset
|
227 (ngx_msec_t) (sent * 1000 / clcf->limit_rate)); |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
228 } |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
229 |
61
4f3e2abcc2c4
nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
230 if (chain == NGX_CHAIN_ERROR) { |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
231 return NGX_ERROR; |
41
59e7c7f30d49
nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
232 } |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 |
507 | 234 for (cl = ctx->out; cl && cl != chain; /* void */) { |
235 ln = cl; | |
236 cl = cl->next; | |
237 ngx_free_chain(r->pool, ln); | |
238 } | |
239 | |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
240 ctx->out = chain; |
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
241 |
483 | 242 if (chain || (last && c->buffered)) { |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
243 return NGX_AGAIN; |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
244 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
245 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
246 return NGX_OK; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 } |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
248 |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
249 |
501 | 250 static ngx_int_t |
251 ngx_http_write_filter_init(ngx_cycle_t *cycle) | |
71
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
252 { |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
253 ngx_http_top_body_filter = ngx_http_write_filter; |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
254 |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
255 return NGX_OK; |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
256 } |