Mercurial > hg > nginx
annotate src/http/ngx_http_write_filter_module.c @ 7690:8253424d1aff
Added size check to ngx_http_alloc_large_header_buffer().
This ensures that copying won't write more than the buffer size
even if the buffer comes from hc->free and it is smaller than the large
client header buffer size in the virtual host configuration. This might
happen if size of large client header buffers is different in name-based
virtual hosts, similarly to the problem with number of buffers fixed
in 6926:e662cbf1b932.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 06 Aug 2020 05:02:22 +0300 |
| parents | c19ca381b2e6 |
| children | 61e9c078ee3d 94daa42ff5ce |
| rev | line source |
|---|---|
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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. |
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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| 681 | 13 static ngx_int_t ngx_http_write_filter_init(ngx_conf_t *cf); |
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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 */ |
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177
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19 |
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20 NULL, /* create main configuration */ |
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21 NULL, /* init main configuration */ |
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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 | |
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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 | |
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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 */ |
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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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a7ff19afbb14
Negative size buffers detection.
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diff
changeset
|
172 |
|
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Negative size buffers detection.
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|
173 if (ngx_buf_size(cl->buf) < 0) { |
|
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diff
changeset
|
174 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
|
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Negative size buffers detection.
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|
175 "negative size buf in writer " |
|
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Negative size buffers detection.
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diff
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|
176 "t:%d r:%d f:%d %p %p-%p %p %O-%O", |
|
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Negative size buffers detection.
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diff
changeset
|
177 cl->buf->temporary, |
|
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Negative size buffers detection.
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diff
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|
178 cl->buf->recycled, |
|
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Negative size buffers detection.
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|
179 cl->buf->in_file, |
|
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Negative size buffers detection.
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|
180 cl->buf->start, |
|
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Negative size buffers detection.
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|
181 cl->buf->pos, |
|
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Negative size buffers detection.
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parents:
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diff
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|
182 cl->buf->last, |
|
a7ff19afbb14
Negative size buffers detection.
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parents:
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diff
changeset
|
183 cl->buf->file, |
|
a7ff19afbb14
Negative size buffers detection.
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parents:
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diff
changeset
|
184 cl->buf->file_pos, |
|
a7ff19afbb14
Negative size buffers detection.
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parents:
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diff
changeset
|
185 cl->buf->file_last); |
|
a7ff19afbb14
Negative size buffers detection.
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diff
changeset
|
186 |
|
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Negative size buffers detection.
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|
187 ngx_debug_point(); |
|
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Negative size buffers detection.
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diff
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|
188 return NGX_ERROR; |
|
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Negative size buffers detection.
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parents:
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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
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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
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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
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parents:
144
diff
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|
195 } |
|
c71aeb75c071
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parents:
144
diff
changeset
|
196 |
|
5926
08bfc7188a41
Write filter: fixed handling of sync bufs (ticket #132).
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parents:
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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
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|
198 sync = 1; |
|
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|
199 } |
|
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Write filter: fixed handling of sync bufs (ticket #132).
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|
200 |
|
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
333
diff
changeset
|
201 if (cl->buf->last_buf) { |
|
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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parents:
144
diff
changeset
|
202 last = 1; |
|
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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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
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parents:
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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
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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
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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
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parents:
75
diff
changeset
|
225 return NGX_AGAIN; |
|
57c2e18d3572
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parents:
75
diff
changeset
|
226 } |
|
57c2e18d3572
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parents:
75
diff
changeset
|
227 |
|
5513
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
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parents:
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changeset
|
228 if (size == 0 |
|
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SPDY: body filter was replaced by c->send_chain() function.
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parents:
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diff
changeset
|
229 && !(c->buffered & NGX_LOWLEVEL_BUFFERED) |
|
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
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parents:
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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 */) { |
|
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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
|
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
changeset
|
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 |
|
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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
|
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).
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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:
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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.
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parents:
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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.
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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.
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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
Igor Sysoev <igor@sysoev.ru>
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.
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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 } |