Mercurial > hg > nginx

annotate src/http/ngx_http_copy_filter_module.c @ 4450:4919fb357a5d stable-1.0

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Merge of r4406, r4413: copyrights updated.
author Maxim Dounin <mdounin@mdounin.ru>
date Sun, 05 Feb 2012 20:02:59 +0000
parents 35861ba428d1
children 30eff7580d0c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
4450
4919fb357a5d Merge of r4406, r4413: copyrights updated.
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4 * Copyright (C) Nginx, Inc.
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 386
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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b2e039840718 nginx-0.0.1-2002-12-19-20:49:51 import
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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10 #include <ngx_http.h>
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
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11
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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12
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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13 typedef struct {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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14 ngx_bufs_t bufs;
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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parents: 327
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15 } ngx_http_copy_filter_conf_t;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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16
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
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17
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18 #if (NGX_HAVE_FILE_AIO)
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19 static void ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx,
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20 ngx_file_t *file);
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21 static void ngx_http_copy_aio_event_handler(ngx_event_t *ev);
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22 #if (NGX_HAVE_AIO_SENDFILE)
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23 static void ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev);
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24 #endif
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25 #endif
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26
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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parents: 327
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27 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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28 static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf,
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29 void *parent, void *child);
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30 static ngx_int_t ngx_http_copy_filter_init(ngx_conf_t *cf);
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
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32
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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33 static ngx_command_t ngx_http_copy_filter_commands[] = {
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34
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35 { ngx_string("output_buffers"),
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36 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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37 ngx_conf_set_bufs_slot,
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38 NGX_HTTP_LOC_CONF_OFFSET,
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39 offsetof(ngx_http_copy_filter_conf_t, bufs),
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40 NULL },
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
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41
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d4ea69372b94 nginx-0.1.25-RELEASE import
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42 ngx_null_command
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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43 };
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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44
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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45
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
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46 static ngx_http_module_t ngx_http_copy_filter_module_ctx = {
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9b8c906f6e63 nginx-0.1.29-RELEASE import
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47 NULL, /* preconfiguration */
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48 ngx_http_copy_filter_init, /* postconfiguration */
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4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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49
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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50 NULL, /* create main configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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51 NULL, /* init main configuration */
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e43f406e4525 nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
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52
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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parents: 90
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53 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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54 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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55
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
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56 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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parents: 327
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57 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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58 };
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
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59
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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60
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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61 ngx_module_t ngx_http_copy_filter_module = {
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62 NGX_MODULE_V1,
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parents: 327
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63 &ngx_http_copy_filter_module_ctx, /* module context */
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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parents: 327
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64 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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65 NGX_HTTP_MODULE, /* module type */
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66 NULL, /* init master */
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67 NULL, /* init module */
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68 NULL, /* init process */
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69 NULL, /* init thread */
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70 NULL, /* exit thread */
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71 NULL, /* exit process */
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72 NULL, /* exit master */
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73 NGX_MODULE_V1_PADDING
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74 };
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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77 static ngx_http_output_body_filter_pt ngx_http_next_filter;
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80 static ngx_int_t
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81 ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in)
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82 {
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83 ngx_int_t rc;
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84 ngx_connection_t *c;
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85 ngx_output_chain_ctx_t *ctx;
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86 ngx_http_core_loc_conf_t *clcf;
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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87 ngx_http_copy_filter_conf_t *conf;
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88
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89 c = r->connection;
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90
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91 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
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92 "http copy filter: \"%V?%V\"", &r->uri, &r->args);
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9b8c906f6e63 nginx-0.1.29-RELEASE import
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93
9b8c906f6e63 nginx-0.1.29-RELEASE import
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94 ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module);
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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95
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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96 if (ctx == NULL) {
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97 ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t));
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98 if (ctx == NULL) {
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99 return NGX_ERROR;
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100 }
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101
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102 ngx_http_set_ctx(r, ctx, ngx_http_copy_filter_module);
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103
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104 conf = ngx_http_get_module_loc_conf(r, ngx_http_copy_filter_module);
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105 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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106
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107 ctx->sendfile = c->sendfile;
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108 ctx->need_in_memory = r->main_filter_need_in_memory
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109 || r->filter_need_in_memory;
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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110 ctx->need_in_temp = r->filter_need_temporary;
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111
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112 ctx->alignment = clcf->directio_alignment;
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113
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e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
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114 ctx->pool = r->pool;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
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115 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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116 ctx->tag = (ngx_buf_tag_t) &ngx_http_copy_filter_module;
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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117
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af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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118 ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter;
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5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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119 ctx->filter_ctx = r;
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120
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121 #if (NGX_HAVE_FILE_AIO)
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122 if (ngx_file_aio) {
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123 if (clcf->aio) {
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124 ctx->aio_handler = ngx_http_copy_aio_handler;
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125 }
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126 #if (NGX_HAVE_AIO_SENDFILE)
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127 c->aio_sendfile = (clcf->aio == NGX_HTTP_AIO_SENDFILE);
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128 #endif
3052
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129 }
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130 #endif
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diff changeset
131
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diff changeset
132 if (in && in->buf && ngx_buf_size(in->buf)) {
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133 r->request_output = 1;
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diff changeset
134 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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diff changeset
135 }
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136
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137 #if (NGX_HAVE_FILE_AIO)
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138 ctx->aio = r->aio;
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139 #endif
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140
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141 for ( ;; ) {
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142 rc = ngx_output_chain(ctx, in);
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143
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144 if (ctx->in == NULL) {
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145 r->buffered &= ~NGX_HTTP_COPY_BUFFERED;
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146
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147 } else {
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148 r->buffered |= NGX_HTTP_COPY_BUFFERED;
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149 }
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150
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151 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
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152 "http copy filter: %i \"%V?%V\"", rc, &r->uri, &r->args);
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153
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154 #if (NGX_HAVE_FILE_AIO && NGX_HAVE_AIO_SENDFILE)
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155
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156 if (c->busy_sendfile) {
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157 ssize_t n;
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158 off_t offset;
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diff changeset
159 ngx_file_t *file;
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160 ngx_http_ephemeral_t *e;
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diff changeset
161
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diff changeset
162 if (r->aio) {
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163 c->busy_sendfile = NULL;
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164 return rc;
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diff changeset
165 }
35861ba428d1 Merging r4195, r4196:
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166
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167 file = c->busy_sendfile->file;
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168 offset = c->busy_sendfile->file_pos;
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169
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diff changeset
170 if (file->aio) {
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171 c->aio_sendfile = (offset != file->aio->last_offset);
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172 file->aio->last_offset = offset;
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173
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174 if (c->aio_sendfile == 0) {
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diff changeset
175 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
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176 "sendfile(%V) returned busy again",
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diff changeset
177 &file->name);
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178 }
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179 }
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180
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181 c->busy_sendfile = NULL;
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diff changeset
182 e = (ngx_http_ephemeral_t *) &r->uri_start;
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183
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diff changeset
184 n = ngx_file_aio_read(file, &e->aio_preload, 1, offset, r->pool);
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185
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186 if (n > 0) {
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187 in = NULL;
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188 continue;
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189 }
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190
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191 rc = n;
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192
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193 if (file->aio) {
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194 file->aio->data = r;
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195 file->aio->handler = ngx_http_copy_aio_sendfile_event_handler;
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196
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197 r->main->blocked++;
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198 r->aio = 1;
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199 }
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200 }
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diff changeset
201 #endif
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diff changeset
202
3071
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203 return rc;
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204 }
4
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diff changeset
205 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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diff changeset
206
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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diff changeset
207
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208 #if (NGX_HAVE_FILE_AIO)
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209
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diff changeset
210 static void
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diff changeset
211 ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file)
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diff changeset
212 {
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diff changeset
213 ngx_http_request_t *r;
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diff changeset
214
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diff changeset
215 r = ctx->filter_ctx;
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diff changeset
216
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diff changeset
217 file->aio->data = r;
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diff changeset
218 file->aio->handler = ngx_http_copy_aio_event_handler;
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diff changeset
219
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diff changeset
220 r->main->blocked++;
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diff changeset
221 r->aio = 1;
3776
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diff changeset
222 ctx->aio = 1;
3052
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diff changeset
223 }
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diff changeset
224
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diff changeset
225
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diff changeset
226 static void
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diff changeset
227 ngx_http_copy_aio_event_handler(ngx_event_t *ev)
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diff changeset
228 {
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diff changeset
229 ngx_event_aio_t *aio;
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diff changeset
230 ngx_http_request_t *r;
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diff changeset
231
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diff changeset
232 aio = ev->data;
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diff changeset
233 r = aio->data;
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diff changeset
234
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diff changeset
235 r->main->blocked--;
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diff changeset
236 r->aio = 0;
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diff changeset
237
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diff changeset
238 r->connection->write->handler(r->connection->write);
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diff changeset
239 }
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diff changeset
240
3065
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diff changeset
241
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diff changeset
242 #if (NGX_HAVE_AIO_SENDFILE)
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diff changeset
243
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diff changeset
244 static void
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diff changeset
245 ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev)
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diff changeset
246 {
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diff changeset
247 ngx_event_aio_t *aio;
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diff changeset
248 ngx_http_request_t *r;
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diff changeset
249
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diff changeset
250 aio = ev->data;
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diff changeset
251 r = aio->data;
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diff changeset
252
113cd532b328 aio sendfile
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diff changeset
253 r->main->blocked--;
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diff changeset
254 r->aio = 0;
113cd532b328 aio sendfile
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diff changeset
255 ev->complete = 0;
113cd532b328 aio sendfile
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diff changeset
256
113cd532b328 aio sendfile
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diff changeset
257 r->connection->write->handler(r->connection->write);
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diff changeset
258 }
113cd532b328 aio sendfile
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diff changeset
259
113cd532b328 aio sendfile
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diff changeset
260 #endif
3052
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diff changeset
261 #endif
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diff changeset
262
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diff changeset
263
501
d4ea69372b94 nginx-0.1.25-RELEASE import
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parents: 452
diff changeset
264 static void *
d4ea69372b94 nginx-0.1.25-RELEASE import
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diff changeset
265 ngx_http_copy_filter_create_conf(ngx_conf_t *cf)
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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parents: 8
diff changeset
266 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
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parents: 327
diff changeset
267 ngx_http_copy_filter_conf_t *conf;
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diff changeset
268
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
269 conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
270 if (conf == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
271 return NULL;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
272 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
273
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
274 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
275
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
276 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
277 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
278
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
279
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
280 static char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
281 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
282 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
283 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
284 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
285
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
286 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
287
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
288 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
289 }
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
290
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
291
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
292 static ngx_int_t
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
293 ngx_http_copy_filter_init(ngx_conf_t *cf)
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
294 {
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
295 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
296 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
297
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
298 return NGX_OK;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
299 }
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
300