Mercurial > hg > nginx-quic
annotate src/http/ngx_http_write_filter_module.c @ 8344:ef4bdbbce57e
Mail: realip module.
When configured with the "set_real_ip_from", it can set client's IP
address as visible in logs to the one obtained via the PROXY protocol.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 05 Mar 2021 17:16:29 +0300 |
parents | c19ca381b2e6 |
children | 94daa42ff5ce 61e9c078ee3d |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
99
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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12 |
681 | 13 static ngx_int_t ngx_http_write_filter_init(ngx_conf_t *cf); |
10
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15 |
667 | 16 static ngx_http_module_t ngx_http_write_filter_module_ctx = { |
509 | 17 NULL, /* preconfiguration */ |
681 | 18 ngx_http_write_filter_init, /* postconfiguration */ |
177
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19 |
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20 NULL, /* create main configuration */ |
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21 NULL, /* init main configuration */ |
69
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22 |
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23 NULL, /* create server configuration */ |
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24 NULL, /* merge server configuration */ |
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25 |
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26 NULL, /* create location configuration */ |
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27 NULL, /* merge location configuration */ |
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28 }; |
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29 |
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30 |
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31 ngx_module_t ngx_http_write_filter_module = { |
509 | 32 NGX_MODULE_V1, |
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33 &ngx_http_write_filter_module_ctx, /* module context */ |
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34 NULL, /* module directives */ |
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35 NGX_HTTP_MODULE, /* module type */ |
541 | 36 NULL, /* init master */ |
681 | 37 NULL, /* init module */ |
541 | 38 NULL, /* init process */ |
39 NULL, /* init thread */ | |
40 NULL, /* exit thread */ | |
41 NULL, /* exit process */ | |
42 NULL, /* exit master */ | |
43 NGX_MODULE_V1_PADDING | |
41
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44 }; |
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45 |
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46 |
501 | 47 ngx_int_t |
48 ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
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49 { |
2907 | 50 off_t size, sent, nsent, limit; |
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51 ngx_uint_t last, flush, sync; |
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52 ngx_msec_t delay; |
509 | 53 ngx_chain_t *cl, *ln, **ll, *chain; |
54 ngx_connection_t *c; | |
55 ngx_http_core_loc_conf_t *clcf; | |
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56 |
527 | 57 c = r->connection; |
58 | |
583 | 59 if (c->error) { |
527 | 60 return NGX_ERROR; |
61 } | |
62 | |
303
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63 size = 0; |
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64 flush = 0; |
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65 sync = 0; |
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66 last = 0; |
509 | 67 ll = &r->out; |
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68 |
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69 /* find the size, the flush point and the last link of the saved chain */ |
71
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70 |
509 | 71 for (cl = r->out; cl; cl = cl->next) { |
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72 ll = &cl->next; |
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73 |
667 | 74 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, |
479 | 75 "write old buf t:%d f:%d %p, pos %p, size: %z " |
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76 "file: %O, size: %O", |
479 | 77 cl->buf->temporary, cl->buf->in_file, |
78 cl->buf->start, cl->buf->pos, | |
79 cl->buf->last - cl->buf->pos, | |
80 cl->buf->file_pos, | |
81 cl->buf->file_last - cl->buf->file_pos); | |
82 | |
461 | 83 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { |
667 | 84 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
483 | 85 "zero size buf in writer " |
86 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
87 cl->buf->temporary, | |
88 cl->buf->recycled, | |
89 cl->buf->in_file, | |
90 cl->buf->start, | |
91 cl->buf->pos, | |
92 cl->buf->last, | |
93 cl->buf->file, | |
94 cl->buf->file_pos, | |
95 cl->buf->file_last); | |
96 | |
461 | 97 ngx_debug_point(); |
489 | 98 return NGX_ERROR; |
461 | 99 } |
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100 |
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101 if (ngx_buf_size(cl->buf) < 0) { |
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102 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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103 "negative size buf in writer " |
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104 "t:%d r:%d f:%d %p %p-%p %p %O-%O", |
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105 cl->buf->temporary, |
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106 cl->buf->recycled, |
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107 cl->buf->in_file, |
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108 cl->buf->start, |
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109 cl->buf->pos, |
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110 cl->buf->last, |
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111 cl->buf->file, |
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112 cl->buf->file_pos, |
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113 cl->buf->file_last); |
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114 |
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115 ngx_debug_point(); |
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116 return NGX_ERROR; |
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117 } |
461 | 118 |
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119 size += ngx_buf_size(cl->buf); |
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120 |
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121 if (cl->buf->flush || cl->buf->recycled) { |
499 | 122 flush = 1; |
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123 } |
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124 |
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125 if (cl->buf->sync) { |
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126 sync = 1; |
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127 } |
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128 |
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129 if (cl->buf->last_buf) { |
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130 last = 1; |
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131 } |
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132 } |
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133 |
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134 /* add the new chain to the existent one */ |
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135 |
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136 for (ln = in; ln; ln = ln->next) { |
501 | 137 cl = ngx_alloc_chain_link(r->pool); |
138 if (cl == NULL) { | |
461 | 139 return NGX_ERROR; |
140 } | |
141 | |
142 cl->buf = ln->buf; | |
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143 *ll = cl; |
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144 ll = &cl->next; |
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145 |
667 | 146 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, |
479 | 147 "write new buf t:%d f:%d %p, pos %p, size: %z " |
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148 "file: %O, size: %O", |
479 | 149 cl->buf->temporary, cl->buf->in_file, |
150 cl->buf->start, cl->buf->pos, | |
151 cl->buf->last - cl->buf->pos, | |
152 cl->buf->file_pos, | |
153 cl->buf->file_last - cl->buf->file_pos); | |
154 | |
461 | 155 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { |
667 | 156 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
483 | 157 "zero size buf in writer " |
158 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
159 cl->buf->temporary, | |
160 cl->buf->recycled, | |
161 cl->buf->in_file, | |
162 cl->buf->start, | |
163 cl->buf->pos, | |
164 cl->buf->last, | |
165 cl->buf->file, | |
166 cl->buf->file_pos, | |
167 cl->buf->file_last); | |
168 | |
461 | 169 ngx_debug_point(); |
489 | 170 return NGX_ERROR; |
461 | 171 } |
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172 |
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173 if (ngx_buf_size(cl->buf) < 0) { |
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174 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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175 "negative size buf in writer " |
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176 "t:%d r:%d f:%d %p %p-%p %p %O-%O", |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
177 cl->buf->temporary, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
178 cl->buf->recycled, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
179 cl->buf->in_file, |
a7ff19afbb14
Negative size buffers detection.
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parents:
6480
diff
changeset
|
180 cl->buf->start, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
181 cl->buf->pos, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
182 cl->buf->last, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
183 cl->buf->file, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
184 cl->buf->file_pos, |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
185 cl->buf->file_last); |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
186 |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
187 ngx_debug_point(); |
a7ff19afbb14
Negative size buffers detection.
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diff
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|
188 return NGX_ERROR; |
a7ff19afbb14
Negative size buffers detection.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
189 } |
461 | 190 |
403
ea3113b181d1
nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
191 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
|
192 |
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
|
193 if (cl->buf->flush || cl->buf->recycled) { |
499 | 194 flush = 1; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
195 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
196 |
5926
08bfc7188a41
Write filter: fixed handling of sync bufs (ticket #132).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5884
diff
changeset
|
197 if (cl->buf->sync) { |
08bfc7188a41
Write filter: fixed handling of sync bufs (ticket #132).
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parents:
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diff
changeset
|
198 sync = 1; |
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Write filter: fixed handling of sync bufs (ticket #132).
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parents:
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diff
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|
199 } |
08bfc7188a41
Write filter: fixed handling of sync bufs (ticket #132).
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parents:
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diff
changeset
|
200 |
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
|
201 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
|
202 last = 1; |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
203 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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parents:
144
diff
changeset
|
204 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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parents:
144
diff
changeset
|
205 |
461 | 206 *ll = NULL; |
207 | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
208 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
6480 | 209 "http write filter: l:%ui f:%ui 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
|
210 |
509 | 211 clcf = ngx_http_get_module_loc_conf(r, 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
|
212 |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
119
diff
changeset
|
213 /* |
509 | 214 * avoid the output if there are no last buf, no flush point, |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
215 * 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
|
216 * 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
|
217 */ |
71
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
218 |
499 | 219 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
|
220 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
|
221 } |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
223 if (c->write->delayed) { |
597 | 224 c->buffered |= NGX_HTTP_WRITE_BUFFERED; |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
225 return NGX_AGAIN; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
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parents:
75
diff
changeset
|
226 } |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
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parents:
75
diff
changeset
|
227 |
5513
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5201
diff
changeset
|
228 if (size == 0 |
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5201
diff
changeset
|
229 && !(c->buffered & NGX_LOWLEVEL_BUFFERED) |
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5201
diff
changeset
|
230 && !(last && c->need_last_buf)) |
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5201
diff
changeset
|
231 { |
5926
08bfc7188a41
Write filter: fixed handling of sync bufs (ticket #132).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5884
diff
changeset
|
232 if (last || flush || sync) { |
4833
3464d0b63300
Write filter: replaced unneeded loop with one to free chains.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
233 for (cl = r->out; cl; /* void */) { |
3464d0b63300
Write filter: replaced unneeded loop with one to free chains.
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parents:
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diff
changeset
|
234 ln = cl; |
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Write filter: replaced unneeded loop with one to free chains.
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parents:
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diff
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|
235 cl = cl->next; |
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Write filter: replaced unneeded loop with one to free chains.
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parents:
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diff
changeset
|
236 ngx_free_chain(r->pool, ln); |
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Write filter: replaced unneeded loop with one to free chains.
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parents:
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diff
changeset
|
237 } |
597 | 238 |
4833
3464d0b63300
Write filter: replaced unneeded loop with one to free chains.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
239 r->out = NULL; |
597 | 240 c->buffered &= ~NGX_HTTP_WRITE_BUFFERED; |
501 | 241 |
499 | 242 return NGX_OK; |
243 } | |
244 | |
667 | 245 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
483 | 246 "the http output chain is empty"); |
461 | 247 |
483 | 248 ngx_debug_point(); |
249 | |
250 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
|
251 } |
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
252 |
7504
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
253 if (!r->limit_rate_set) { |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
254 r->limit_rate = ngx_http_complex_value_size(r, clcf->limit_rate, 0); |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
255 r->limit_rate_set = 1; |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
256 } |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
257 |
635 | 258 if (r->limit_rate) { |
7504
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
259 |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
260 if (!r->limit_rate_after_set) { |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
261 r->limit_rate_after = ngx_http_complex_value_size(r, |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
262 clcf->limit_rate_after, 0); |
c19ca381b2e6
Variables support in limit_rate and limit_rate_after (ticket #293).
Ruslan Ermilov <ru@nginx.com>
parents:
7401
diff
changeset
|
263 r->limit_rate_after_set = 1; |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
264 } |
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
265 |
4961
ed576bd1d9c0
Limit rate: fixed integer overflow in limit calculation (ticket #256).
Valentin Bartenev <vbart@nginx.com>
parents:
4833
diff
changeset
|
266 limit = (off_t) r->limit_rate * (ngx_time() - r->start_sec + 1) |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
267 - (c->sent - r->limit_rate_after); |
633 | 268 |
1194
8ea6caa62c89
style fix: change variable name
Igor Sysoev <igor@sysoev.ru>
parents:
1179
diff
changeset
|
269 if (limit <= 0) { |
635 | 270 c->write->delayed = 1; |
5884
8486205d10db
Write filter: stored delay in a variable, no functional changes.
Roman Arutyunyan <arut@nginx.com>
parents:
5513
diff
changeset
|
271 delay = (ngx_msec_t) (- limit * 1000 / r->limit_rate + 1); |
8486205d10db
Write filter: stored delay in a variable, no functional changes.
Roman Arutyunyan <arut@nginx.com>
parents:
5513
diff
changeset
|
272 ngx_add_timer(c->write, delay); |
635 | 273 |
274 c->buffered |= NGX_HTTP_WRITE_BUFFERED; | |
275 | |
276 return NGX_AGAIN; | |
277 } | |
278 | |
4384
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
279 if (clcf->sendfile_max_chunk |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
280 && (off_t) clcf->sendfile_max_chunk < limit) |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
281 { |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
282 limit = clcf->sendfile_max_chunk; |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
283 } |
1197 | 284 |
635 | 285 } else { |
4384
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
286 limit = clcf->sendfile_max_chunk; |
633 | 287 } |
288 | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
289 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
|
290 |
633 | 291 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1194
8ea6caa62c89
style fix: change variable name
Igor Sysoev <igor@sysoev.ru>
parents:
1179
diff
changeset
|
292 "http write filter limit %O", limit); |
633 | 293 |
1194
8ea6caa62c89
style fix: change variable name
Igor Sysoev <igor@sysoev.ru>
parents:
1179
diff
changeset
|
294 chain = c->send_chain(c, r->out, limit); |
61
4f3e2abcc2c4
nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
295 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
395
diff
changeset
|
296 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
461 | 297 "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
|
298 |
633 | 299 if (chain == NGX_CHAIN_ERROR) { |
300 c->error = 1; | |
301 return NGX_ERROR; | |
302 } | |
303 | |
1197 | 304 if (r->limit_rate) { |
2907 | 305 |
306 nsent = c->sent; | |
307 | |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
308 if (r->limit_rate_after) { |
2907 | 309 |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
310 sent -= r->limit_rate_after; |
2907 | 311 if (sent < 0) { |
312 sent = 0; | |
313 } | |
314 | |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4961
diff
changeset
|
315 nsent -= r->limit_rate_after; |
2907 | 316 if (nsent < 0) { |
317 nsent = 0; | |
318 } | |
319 } | |
320 | |
4383
5130c16a130e
Fixed throughput problems with large limit_rate.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2907
diff
changeset
|
321 delay = (ngx_msec_t) ((nsent - sent) * 1000 / r->limit_rate); |
1657
6a8a066adc98
improve throughput with large limit_rate
Igor Sysoev <igor@sysoev.ru>
parents:
1412
diff
changeset
|
322 |
6a8a066adc98
improve throughput with large limit_rate
Igor Sysoev <igor@sysoev.ru>
parents:
1412
diff
changeset
|
323 if (delay > 0) { |
4384
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
324 limit = 0; |
1657
6a8a066adc98
improve throughput with large limit_rate
Igor Sysoev <igor@sysoev.ru>
parents:
1412
diff
changeset
|
325 c->write->delayed = 1; |
6a8a066adc98
improve throughput with large limit_rate
Igor Sysoev <igor@sysoev.ru>
parents:
1412
diff
changeset
|
326 ngx_add_timer(c->write, delay); |
6a8a066adc98
improve throughput with large limit_rate
Igor Sysoev <igor@sysoev.ru>
parents:
1412
diff
changeset
|
327 } |
4384
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
328 } |
1197 | 329 |
4384
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
330 if (limit |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
331 && c->write->ready |
a8b6d5dee539
Fixed interaction of limit_rate and sendfile_max_chunk.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4383
diff
changeset
|
332 && c->sent - sent >= limit - (off_t) (2 * ngx_pagesize)) |
1408
e67ef50c3176
set delay only when almost whole sendfile_max_chunk was transferred
Igor Sysoev <igor@sysoev.ru>
parents:
1197
diff
changeset
|
333 { |
1197 | 334 c->write->delayed = 1; |
335 ngx_add_timer(c->write, 1); | |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
336 } |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
337 |
509 | 338 for (cl = r->out; cl && cl != chain; /* void */) { |
507 | 339 ln = cl; |
340 cl = cl->next; | |
341 ngx_free_chain(r->pool, ln); | |
342 } | |
343 | |
509 | 344 r->out = chain; |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
345 |
597 | 346 if (chain) { |
347 c->buffered |= NGX_HTTP_WRITE_BUFFERED; | |
348 return NGX_AGAIN; | |
349 } | |
350 | |
351 c->buffered &= ~NGX_HTTP_WRITE_BUFFERED; | |
352 | |
353 if ((c->buffered & NGX_LOWLEVEL_BUFFERED) && r->postponed == NULL) { | |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
354 return NGX_AGAIN; |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
355 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
356 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
357 return NGX_OK; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
358 } |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
359 |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
360 |
501 | 361 static ngx_int_t |
681 | 362 ngx_http_write_filter_init(ngx_conf_t *cf) |
71
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
363 { |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
364 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
|
365 |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
366 return NGX_OK; |
59229033ae93
nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
367 } |