annotate src/http/ngx_http_copy_filter_module.c @ 501:d4ea69372b94 release-0.1.25

nginx-0.1.25-RELEASE import *) Bugfix: nginx did run on Linux parisc. *) Feature: nginx now does not start under FreeBSD if the sysctl kern.ipc.somaxconn value is too big. *) Bugfix: if a request was internally redirected by the ngx_http_index_module module to the ngx_http_proxy_module or ngx_http_fastcgi_module modules, then the index file was not closed after request completion. *) Feature: the "proxy_pass" can be used in location with regular expression. *) Feature: the ngx_http_rewrite_filter_module module supports the condition like "if ($HTTP_USER_AGENT ~ MSIE)". *) Bugfix: nginx started too slow if the large number of addresses and text values were used in the "geo" directive. *) Change: a variable name must be declared as "$name" in the "geo" directive. The previous variant without "$" is still supported, but will be removed soon. *) Feature: the "%{VARIABLE}v" logging parameter. *) Feature: the "set $name value" directive. *) Bugfix: gcc 4.0 compatibility. *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 19 Mar 2005 12:38:37 +0000
parents src/http/ngx_http_copy_filter.c@23fb87bddda1
children 9b8c906f6e63
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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b2e039840718 nginx-0.0.1-2002-12-19-20:49:51 import
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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12 typedef struct {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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13 ngx_bufs_t bufs;
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14 } ngx_http_copy_filter_conf_t;
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17 static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf);
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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18 static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf,
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19 void *parent, void *child);
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20 static ngx_int_t ngx_http_copy_filter_init(ngx_cycle_t *cycle);
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23 static ngx_command_t ngx_http_copy_filter_commands[] = {
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24
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25 { ngx_string("output_buffers"),
d4ea69372b94 nginx-0.1.25-RELEASE import
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26 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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27 ngx_conf_set_bufs_slot,
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28 NGX_HTTP_LOC_CONF_OFFSET,
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29 offsetof(ngx_http_copy_filter_conf_t, bufs),
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30 NULL },
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32 ngx_null_command
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33 };
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36 static ngx_http_module_t ngx_http_copy_filter_module_ctx = {
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37 NULL, /* pre conf */
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38
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39 NULL, /* create main configuration */
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40 NULL, /* init main configuration */
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e43f406e4525 nginx-0.0.1-2003-03-20-19:09:44 import
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42 NULL, /* create server configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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43 NULL, /* merge server configuration */
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44
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45 ngx_http_copy_filter_create_conf, /* create location configuration */
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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46 ngx_http_copy_filter_merge_conf /* merge location configuration */
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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47 };
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48
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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49
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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50 ngx_module_t ngx_http_copy_filter_module = {
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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51 NGX_MODULE,
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52 &ngx_http_copy_filter_module_ctx, /* module context */
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53 ngx_http_copy_filter_commands, /* module directives */
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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54 NGX_HTTP_MODULE, /* module type */
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55 ngx_http_copy_filter_init, /* init module */
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56 NULL /* init process */
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57 };
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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60 static ngx_http_output_body_filter_pt ngx_http_next_filter;
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63 static ngx_int_t
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64 ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in)
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65 {
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66 ngx_output_chain_ctx_t *ctx;
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67 ngx_http_copy_filter_conf_t *conf;
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68
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69 if (r->connection->write->error) {
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70 return NGX_ERROR;
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71 }
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72
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73 ctx = ngx_http_get_module_ctx(r->main ? r->main : r,
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74 ngx_http_copy_filter_module);
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75
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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76 if (ctx == NULL) {
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77 conf = ngx_http_get_module_loc_conf(r->main ? r->main : r,
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78 ngx_http_copy_filter_module);
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79
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80 ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t));
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81 if (ctx == NULL) {
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82 return NGX_ERROR;
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83 }
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84
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85 ngx_http_set_ctx(r, ctx, ngx_http_copy_filter_module);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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86
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23fb87bddda1 nginx-0.1.1-RELEASE import
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87 ctx->sendfile = r->connection->sendfile;
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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88 ctx->need_in_memory = r->filter_need_in_memory;
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89 ctx->need_in_temp = r->filter_need_temporary;
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90
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e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
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91 ctx->pool = r->pool;
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92 ctx->bufs = conf->bufs;
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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93 ctx->tag = (ngx_buf_tag_t) &ngx_http_copy_filter_module;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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94
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95 ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter;
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96 ctx->filter_ctx = r;
60
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97
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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98 }
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99
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fa72605e7089 nginx-0.0.7-2004-07-12-01:03:47 import
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100 return ngx_output_chain(ctx, in);
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c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
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101 }
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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102
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103
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104 static void *
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105 ngx_http_copy_filter_create_conf(ngx_conf_t *cf)
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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106 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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107 ngx_http_copy_filter_conf_t *conf;
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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108
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109 conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t));
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110 if (conf == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
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111 return NULL;
d4ea69372b94 nginx-0.1.25-RELEASE import
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112 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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113
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
114 conf->bufs.num = 0;
10
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
115
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
116 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
117 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
118
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
119
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
120 static char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
121 ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child)
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
122 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
123 ngx_http_copy_filter_conf_t *prev = parent;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
124 ngx_http_copy_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
125
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
126 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 1, 32768);
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
127
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
128 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
129 }
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
130
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
131
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
132 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
133 ngx_http_copy_filter_init(ngx_cycle_t *cycle)
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
134 {
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
135 ngx_http_next_filter = ngx_http_top_body_filter;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
136 ngx_http_top_body_filter = ngx_http_copy_filter;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
137
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
138 return NGX_OK;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
139 }
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
140