Mercurial > hg > nginx

annotate src/http/ngx_http_copy_filter_module.c @ 3053:0d253659da12

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directio_alignment
author Igor Sysoev <igor@sysoev.ru>
date Fri, 28 Aug 2009 08:15:55 +0000
parents 6060225e9261
children aa720192937b
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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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3 * Copyright (C) Igor Sysoev
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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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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16
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17 #if (NGX_HAVE_FILE_AIO)
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18 static void ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx,
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19 ngx_file_t *file);
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20 static void ngx_http_copy_aio_event_handler(ngx_event_t *ev);
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21 #endif
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22
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23 static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf);
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24 static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf,
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25 void *parent, void *child);
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26 static ngx_int_t ngx_http_copy_filter_init(ngx_conf_t *cf);
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29 static ngx_command_t ngx_http_copy_filter_commands[] = {
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30
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31 { ngx_string("output_buffers"),
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32 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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33 ngx_conf_set_bufs_slot,
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34 NGX_HTTP_LOC_CONF_OFFSET,
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35 offsetof(ngx_http_copy_filter_conf_t, bufs),
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36 NULL },
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37
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38 ngx_null_command
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39 };
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41
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42 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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43 NULL, /* preconfiguration */
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44 ngx_http_copy_filter_init, /* postconfiguration */
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45
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46 NULL, /* create main configuration */
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47 NULL, /* init main configuration */
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48
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49 NULL, /* create server configuration */
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50 NULL, /* merge server configuration */
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51
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52 ngx_http_copy_filter_create_conf, /* create location configuration */
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53 ngx_http_copy_filter_merge_conf /* merge location configuration */
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54 };
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55
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56
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57 ngx_module_t ngx_http_copy_filter_module = {
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58 NGX_MODULE_V1,
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59 &ngx_http_copy_filter_module_ctx, /* module context */
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60 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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61 NGX_HTTP_MODULE, /* module type */
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62 NULL, /* init master */
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63 NULL, /* init module */
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64 NULL, /* init process */
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65 NULL, /* init thread */
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66 NULL, /* exit thread */
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67 NULL, /* exit process */
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68 NULL, /* exit master */
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69 NGX_MODULE_V1_PADDING
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70 };
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73 static ngx_http_output_body_filter_pt ngx_http_next_filter;
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76 static ngx_int_t
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77 ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in)
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78 {
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79 ngx_int_t rc;
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80 ngx_connection_t *c;
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81 ngx_output_chain_ctx_t *ctx;
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82 ngx_http_core_loc_conf_t *clcf;
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83 ngx_http_copy_filter_conf_t *conf;
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84
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85 c = r->connection;
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86
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87 if (r->aio) {
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88 return NGX_AGAIN;
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89 }
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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 "copy filter: \"%V?%V\"", &r->uri, &r->args);
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94 ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module);
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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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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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114 ctx->pool = r->pool;
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115 ctx->bufs = conf->bufs;
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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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117
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118 ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter;
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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 (clcf->aio) {
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123 ctx->aio = ngx_http_copy_aio_handler;
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124 }
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125 #endif
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126
667
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
127 r->request_output = 1;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
128 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
129
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 569
diff changeset
130 rc = ngx_output_chain(ctx, in);
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
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parents: 501
diff changeset
131
3050
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diff changeset
132 if (ctx->in == NULL) {
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133 r->buffered &= ~NGX_HTTP_COPY_BUFFERED;
829
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parents: 681
diff changeset
134
3050
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135 } else {
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136 r->buffered |= NGX_HTTP_COPY_BUFFERED;
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137 }
829
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diff changeset
138
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diff changeset
139 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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diff changeset
140 "copy filter: %i \"%V?%V\"", rc, &r->uri, &r->args);
583
4e296b7d25bf nginx-0.3.13-RELEASE import
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parents: 569
diff changeset
141
4e296b7d25bf nginx-0.3.13-RELEASE import
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parents: 569
diff changeset
142 return rc;
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
143 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
144
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
145
3052
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146 #if (NGX_HAVE_FILE_AIO)
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147
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148 static void
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149 ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file)
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150 {
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151 ngx_http_request_t *r;
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152
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153 r = ctx->filter_ctx;
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154
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155 file->aio->data = r;
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diff changeset
156 file->aio->handler = ngx_http_copy_aio_event_handler;
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diff changeset
157
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diff changeset
158 r->main->blocked++;
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diff changeset
159 r->aio = 1;
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160 }
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diff changeset
161
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parents: 3050
diff changeset
162
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diff changeset
163 static void
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diff changeset
164 ngx_http_copy_aio_event_handler(ngx_event_t *ev)
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diff changeset
165 {
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166 ngx_event_aio_t *aio;
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diff changeset
167 ngx_http_request_t *r;
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diff changeset
168
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169 aio = ev->data;
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170 r = aio->data;
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diff changeset
171
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diff changeset
172 r->main->blocked--;
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diff changeset
173 r->aio = 0;
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diff changeset
174
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175 r->connection->write->handler(r->connection->write);
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176 }
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diff changeset
177
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178 #endif
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diff changeset
179
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diff changeset
180
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
181 static void *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
182 ngx_http_copy_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
183 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
184 ngx_http_copy_filter_conf_t *conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
185
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
186 conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t));
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parents: 452
diff changeset
187 if (conf == NULL) {
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diff changeset
188 return NULL;
d4ea69372b94 nginx-0.1.25-RELEASE import
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parents: 452
diff changeset
189 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
190
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
191 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
192
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
193 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
194 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
195
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
196
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
197 static char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
198 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
199 {
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
200 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
201 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
202
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
203 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
204
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
205 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
206 }
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
207
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
208
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
209 static ngx_int_t
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
210 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
211 {
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
212 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
213 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
214
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
215 return NGX_OK;
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
216 }
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
217