annotate src/http/ngx_http_write_filter.c @ 363:f2755a2885c8

nginx-0.0.7-2004-06-21-23:22:53 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 21 Jun 2004 19:22:53 +0000
parents 7650aea1816f
children b670db10cbbd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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3 #include <ngx_core.h>
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
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4 #include <ngx_event.h>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
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5 #include <ngx_http.h>
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
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6
53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
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7
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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8 typedef struct {
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
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9 size_t postpone_output; /* postpone_output */
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
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10 size_t limit_rate; /* limit_rate */
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
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11 } ngx_http_write_filter_conf_t;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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12
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
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13
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
14 typedef struct {
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
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15 ngx_chain_t *out;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
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16 } ngx_http_write_filter_ctx_t;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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18
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cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
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19 static void *ngx_http_write_filter_create_conf(ngx_conf_t *cf);
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
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20 static char *ngx_http_write_filter_merge_conf(ngx_conf_t *cf,
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
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21 void *parent, void *child);
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
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22 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>
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23
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
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24
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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25 static ngx_command_t ngx_http_write_filter_commands[] = {
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
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26
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7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
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27 { ngx_string("postpone_output"),
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fd9fecc4193f nginx-0.0.1-2003-12-15-16:57:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
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28 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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29 ngx_conf_set_size_slot,
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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30 NGX_HTTP_LOC_CONF_OFFSET,
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 211
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31 offsetof(ngx_http_write_filter_conf_t, postpone_output),
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
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32 NULL },
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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33
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7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
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34 { ngx_string("limit_rate"),
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
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35 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
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36 ngx_conf_set_size_slot,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
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37 NGX_HTTP_LOC_CONF_OFFSET,
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7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
38 offsetof(ngx_http_write_filter_conf_t, limit_rate),
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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39 NULL },
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
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40
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389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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41 ngx_null_command
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
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42 };
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
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43
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
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44
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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45 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
46 NULL, /* pre conf */
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
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47
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
48 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
49 NULL, /* init main configuration */
69
e43f406e4525 nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
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50
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
51 NULL, /* create server configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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52 NULL, /* merge server configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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53
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
54 ngx_http_write_filter_create_conf, /* create location configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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55 ngx_http_write_filter_merge_conf /* merge location configuration */
10
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
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56 };
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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57
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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58
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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59 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
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60 NGX_MODULE,
90
37530da31268 nginx-0.0.1-2003-05-16-19:27:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 83
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61 &ngx_http_write_filter_module_ctx, /* module context */
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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62 ngx_http_write_filter_commands, /* module directives */
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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63 NGX_HTTP_MODULE, /* module type */
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152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
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64 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>
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65 NULL /* init process */
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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66 };
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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67
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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68
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
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69 ngx_int_t 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:
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70 {
71
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
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71 int last;
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
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72 off_t size, flush, sent;
332
159dd60d257a nginx-0.0.3-2004-05-10-23:53:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
73 ngx_chain_t *cl, *ln, **ll, *chain;
71
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
74 ngx_http_write_filter_ctx_t *ctx;
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
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75 ngx_http_write_filter_conf_t *conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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76
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
77 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
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78 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
79
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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80 if (ctx == NULL) {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
81 ngx_http_create_ctx(r, ctx, ngx_http_write_filter_module,
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 63
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82 sizeof(ngx_http_write_filter_ctx_t), NGX_ERROR);
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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83 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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84
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
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85 size = 0;
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
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86 flush = 0;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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87 last = 0;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
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88 ll = &ctx->out;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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89
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
90 /* 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
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91
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
92 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
93 ll = &cl->next;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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parents:
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94
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
95 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
96
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
97 if (cl->buf->flush || cl->buf->recycled) {
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
98 flush = size;
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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99 }
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
100
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
101 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
102 last = 1;
41
59e7c7f30d49 nginx-0.0.1-2002-12-26-19:26:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 26
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103 }
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
104 }
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
105
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
106 /* 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
107
332
159dd60d257a nginx-0.0.3-2004-05-10-23:53:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
108 for (ln = in; ln; ln = ln->next) {
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 ngx_alloc_link_and_set_buf(cl, ln->buf, r->pool, NGX_ERROR);
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
110 *ll = cl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
111 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
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 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
114
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
115 if (cl->buf->flush || cl->buf->recycled) {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
116 flush = size;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
117 }
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
118
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
119 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
120 last = 1;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
121 }
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
122 }
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
123
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
diff changeset
124 ngx_log_debug3(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: 211
diff changeset
125 "http write filter: l:%d f:" OFF_T_FMT " s:" OFF_T_FMT,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
diff changeset
126 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
127
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
128 conf = ngx_http_get_module_loc_conf(r->main ? r->main : r,
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
129 ngx_http_write_filter_module);
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
130
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 119
diff changeset
131 /*
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
132 * 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
133 * 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
134 * 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
135 */
71
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
136
332
159dd60d257a nginx-0.0.3-2004-05-10-23:53:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
137 if (!last && flush == 0 && in && size < (off_t) conf->postpone_output) {
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
138 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
139 }
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
141 if (r->connection->write->delayed) {
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
142 return NGX_AGAIN;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
143 }
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
144
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
145 if (size == 0) {
333
be40e9893a19 nginx-0.0.3-2004-05-11-20:16:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 332
diff changeset
146 if (!last) {
be40e9893a19 nginx-0.0.3-2004-05-11-20:16:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 332
diff changeset
147 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
be40e9893a19 nginx-0.0.3-2004-05-11-20:16:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 332
diff changeset
148 "the http output chain is empty");
be40e9893a19 nginx-0.0.3-2004-05-11-20:16:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 332
diff changeset
149 }
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
150 return NGX_OK;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
151 }
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 142
diff changeset
152
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
153 sent = r->connection->sent;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
154
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
155 chain = ngx_write_chain(r->connection, ctx->out,
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
156 conf->limit_rate ? conf->limit_rate:
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
157 OFF_T_MAX_VALUE);
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
158
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
diff changeset
159 ngx_log_debug1(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: 211
diff changeset
160 "http write filter %X", chain);
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
161
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
162 if (conf->limit_rate) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
163 sent = r->connection->sent - sent;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
164 r->connection->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
165 ngx_add_timer(r->connection->write,
f2755a2885c8 nginx-0.0.7-2004-06-21-23:22:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 362
diff changeset
166 (ngx_msec_t) sent * 1000 / conf->limit_rate);
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
167 }
361
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
168
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
169 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
170 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
171 }
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 ctx->out = chain;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
175 if (chain == NULL) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
176 return NGX_OK;
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
177 }
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
178
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 143
diff changeset
179 return NGX_AGAIN;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
181
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
182
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
diff changeset
183 static void *ngx_http_write_filter_create_conf(ngx_conf_t *cf)
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
184 {
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
185 ngx_http_write_filter_conf_t *conf;
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
186
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
187 ngx_test_null(conf,
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
diff changeset
188 ngx_palloc(cf->pool, sizeof(ngx_http_write_filter_conf_t)),
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
189 NULL);
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
190
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
191 conf->postpone_output = NGX_CONF_UNSET_SIZE;
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
192 conf->limit_rate = NGX_CONF_UNSET_SIZE;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
193
10
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
194 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
195 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
196
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
197
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
diff changeset
198 static char *ngx_http_write_filter_merge_conf(ngx_conf_t *cf,
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
199 void *parent, void *child)
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
200 {
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
201 ngx_http_write_filter_conf_t *prev = parent;
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
202 ngx_http_write_filter_conf_t *conf = child;
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
203
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
diff changeset
204 ngx_conf_merge_size_value(conf->postpone_output, prev->postpone_output,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 211
diff changeset
205 1460);
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
206
362
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
207 ngx_conf_merge_size_value(conf->limit_rate, prev->limit_rate, 0);
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents: 361
diff changeset
208
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
209 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
210 }
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
211
71
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
212
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
213 static ngx_int_t 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
214 {
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
215 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
216
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
217 return NGX_OK;
59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
218 }