Mercurial > hg > nginx-quic
annotate src/http/ngx_http_copy_filter_module.c @ 4160:88369902edb1 stable-1.0
Merging r4010, r4065:
SSL related fixes:
*) Fixing proxy_set_body and proxy_pass_request_body with SSL.
Flush flag wasn't set in constructed buffer and this prevented any data
from being actually sent to upstream due to SSL buffering. Make sure
we always set flush in the last buffer we are going to sent.
See here for report:
http://nginx.org/pipermail/nginx-ru/2011-June/041552.html
*) Proper SSL shutdown handling.
If connection has unsent alerts, SSL_shutdown() tries to send them even
if SSL_set_shutdown(SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN) was used.
This can be prevented by SSL_set_quiet_shutdown(). SSL_set_shutdown()
is required nevertheless to preserve session.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2011 13:42:59 +0000 |
parents | d29e8060ca0c |
children | 35f4997c08ce |
rev | line source |
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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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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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11 |
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12 typedef struct { |
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13 ngx_bufs_t bufs; |
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14 } ngx_http_copy_filter_conf_t; |
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15 |
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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); |
3065 | 21 #if (NGX_HAVE_AIO_SENDFILE) |
22 static void ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev); | |
23 #endif | |
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24 #endif |
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25 |
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26 static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf); |
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27 static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, |
501 | 28 void *parent, void *child); |
681 | 29 static ngx_int_t ngx_http_copy_filter_init(ngx_conf_t *cf); |
10
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30 |
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31 |
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32 static ngx_command_t ngx_http_copy_filter_commands[] = { |
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33 |
501 | 34 { ngx_string("output_buffers"), |
35 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
36 ngx_conf_set_bufs_slot, | |
37 NGX_HTTP_LOC_CONF_OFFSET, | |
38 offsetof(ngx_http_copy_filter_conf_t, bufs), | |
39 NULL }, | |
10
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40 |
501 | 41 ngx_null_command |
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42 }; |
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43 |
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44 |
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45 static ngx_http_module_t ngx_http_copy_filter_module_ctx = { |
509 | 46 NULL, /* preconfiguration */ |
681 | 47 ngx_http_copy_filter_init, /* postconfiguration */ |
177
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48 |
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49 NULL, /* create main configuration */ |
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50 NULL, /* init main configuration */ |
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51 |
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52 NULL, /* create server configuration */ |
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53 NULL, /* merge server configuration */ |
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54 |
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55 ngx_http_copy_filter_create_conf, /* create location configuration */ |
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56 ngx_http_copy_filter_merge_conf /* merge location configuration */ |
26
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57 }; |
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58 |
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59 |
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60 ngx_module_t ngx_http_copy_filter_module = { |
509 | 61 NGX_MODULE_V1, |
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62 &ngx_http_copy_filter_module_ctx, /* module context */ |
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63 ngx_http_copy_filter_commands, /* module directives */ |
96
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64 NGX_HTTP_MODULE, /* module type */ |
541 | 65 NULL, /* init master */ |
681 | 66 NULL, /* init module */ |
541 | 67 NULL, /* init process */ |
68 NULL, /* init thread */ | |
69 NULL, /* exit thread */ | |
70 NULL, /* exit process */ | |
71 NULL, /* exit master */ | |
72 NGX_MODULE_V1_PADDING | |
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73 }; |
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74 |
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75 |
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76 static ngx_http_output_body_filter_pt ngx_http_next_filter; |
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77 |
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78 |
501 | 79 static ngx_int_t |
80 ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
60
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81 { |
583 | 82 ngx_int_t rc; |
83 ngx_connection_t *c; | |
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84 ngx_output_chain_ctx_t *ctx; |
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85 ngx_http_core_loc_conf_t *clcf; |
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86 ngx_http_copy_filter_conf_t *conf; |
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87 |
583 | 88 c = r->connection; |
89 | |
90 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
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91 "http copy filter: \"%V?%V\"", &r->uri, &r->args); |
509 | 92 |
93 ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module); | |
60
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94 |
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95 if (ctx == NULL) { |
501 | 96 ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t)); |
97 if (ctx == NULL) { | |
98 return NGX_ERROR; | |
99 } | |
100 | |
101 ngx_http_set_ctx(r, ctx, ngx_http_copy_filter_module); | |
60
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102 |
3053 | 103 conf = ngx_http_get_module_loc_conf(r, ngx_http_copy_filter_module); |
104 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
105 | |
583 | 106 ctx->sendfile = c->sendfile; |
513 | 107 ctx->need_in_memory = r->main_filter_need_in_memory |
108 || r->filter_need_in_memory; | |
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109 ctx->need_in_temp = r->filter_need_temporary; |
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110 |
3053 | 111 ctx->alignment = clcf->directio_alignment; |
112 | |
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113 ctx->pool = r->pool; |
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114 ctx->bufs = conf->bufs; |
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115 ctx->tag = (ngx_buf_tag_t) &ngx_http_copy_filter_module; |
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116 |
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117 ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter; |
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118 ctx->filter_ctx = r; |
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119 |
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120 #if (NGX_HAVE_FILE_AIO) |
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121 if (ngx_file_aio) { |
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122 if (clcf->aio) { |
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123 ctx->aio_handler = ngx_http_copy_aio_handler; |
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124 } |
3065 | 125 #if (NGX_HAVE_AIO_SENDFILE) |
126 c->aio_sendfile = (clcf->aio == NGX_HTTP_AIO_SENDFILE); | |
127 #endif | |
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128 } |
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129 #endif |
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130 |
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131 if (in && in->buf && ngx_buf_size(in->buf)) { |
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132 r->request_output = 1; |
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133 } |
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134 } |
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135 |
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136 #if (NGX_HAVE_FILE_AIO) |
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137 ctx->aio = r->aio; |
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138 #endif |
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139 |
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140 for ( ;; ) { |
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141 rc = ngx_output_chain(ctx, in); |
509 | 142 |
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143 if (ctx->in == NULL) { |
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144 r->buffered &= ~NGX_HTTP_COPY_BUFFERED; |
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145 |
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146 } else { |
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147 r->buffered |= NGX_HTTP_COPY_BUFFERED; |
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148 } |
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149 |
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150 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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151 "http copy filter: %i \"%V?%V\"", rc, &r->uri, &r->args); |
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153 #if (NGX_HAVE_FILE_AIO && NGX_HAVE_AIO_SENDFILE) |
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155 if (c->busy_sendfile) { |
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156 ssize_t n; |
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157 off_t offset; |
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158 ngx_file_t *file; |
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159 ngx_http_ephemeral_t *e; |
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161 file = c->busy_sendfile->file; |
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162 offset = c->busy_sendfile->file_pos; |
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163 |
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164 if (file->aio) { |
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165 c->aio_sendfile = (offset != file->aio->last_offset); |
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166 file->aio->last_offset = offset; |
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168 if (c->aio_sendfile == 0) { |
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169 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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170 "sendfile(%V) returned busy again", |
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171 &file->name); |
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172 } |
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173 } |
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174 |
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175 c->busy_sendfile = NULL; |
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176 e = (ngx_http_ephemeral_t *) &r->uri_start; |
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177 |
3085 | 178 n = ngx_file_aio_read(file, &e->aio_preload, 1, offset, r->pool); |
3065 | 179 |
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180 if (n > 0) { |
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181 in = NULL; |
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182 continue; |
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183 } |
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184 |
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185 rc = n; |
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186 |
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187 if (file->aio) { |
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188 file->aio->data = r; |
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189 file->aio->handler = ngx_http_copy_aio_sendfile_event_handler; |
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190 |
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191 r->main->blocked++; |
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192 r->aio = 1; |
3065 | 193 } |
194 } | |
195 #endif | |
196 | |
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197 return rc; |
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198 } |
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199 } |
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200 |
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201 |
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202 #if (NGX_HAVE_FILE_AIO) |
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203 |
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204 static void |
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205 ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file) |
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206 { |
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207 ngx_http_request_t *r; |
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208 |
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209 r = ctx->filter_ctx; |
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210 |
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211 file->aio->data = r; |
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212 file->aio->handler = ngx_http_copy_aio_event_handler; |
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213 |
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214 r->main->blocked++; |
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215 r->aio = 1; |
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216 ctx->aio = 1; |
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217 } |
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218 |
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219 |
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220 static void |
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221 ngx_http_copy_aio_event_handler(ngx_event_t *ev) |
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222 { |
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223 ngx_event_aio_t *aio; |
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224 ngx_http_request_t *r; |
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225 |
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226 aio = ev->data; |
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227 r = aio->data; |
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228 |
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229 r->main->blocked--; |
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230 r->aio = 0; |
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231 |
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232 r->connection->write->handler(r->connection->write); |
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233 } |
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234 |
3065 | 235 |
236 #if (NGX_HAVE_AIO_SENDFILE) | |
237 | |
238 static void | |
239 ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev) | |
240 { | |
241 ngx_event_aio_t *aio; | |
242 ngx_http_request_t *r; | |
243 | |
244 aio = ev->data; | |
245 r = aio->data; | |
246 | |
247 r->main->blocked--; | |
248 r->aio = 0; | |
249 ev->complete = 0; | |
250 | |
251 r->connection->write->handler(r->connection->write); | |
252 } | |
253 | |
254 #endif | |
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255 #endif |
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256 |
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257 |
501 | 258 static void * |
259 ngx_http_copy_filter_create_conf(ngx_conf_t *cf) | |
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260 { |
334
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261 ngx_http_copy_filter_conf_t *conf; |
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262 |
501 | 263 conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t)); |
264 if (conf == NULL) { | |
265 return NULL; | |
266 } | |
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267 |
141
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268 conf->bufs.num = 0; |
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269 |
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270 return conf; |
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271 } |
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272 |
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273 |
501 | 274 static char * |
275 ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
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276 { |
334
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277 ngx_http_copy_filter_conf_t *prev = parent; |
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278 ngx_http_copy_filter_conf_t *conf = child; |
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279 |
160
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280 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 1, 32768); |
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281 |
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282 return NULL; |
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283 } |
334
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284 |
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285 |
501 | 286 static ngx_int_t |
681 | 287 ngx_http_copy_filter_init(ngx_conf_t *cf) |
334
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288 { |
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289 ngx_http_next_filter = ngx_http_top_body_filter; |
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290 ngx_http_top_body_filter = ngx_http_copy_filter; |
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291 |
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nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
327
diff
changeset
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292 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
327
diff
changeset
|
293 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
327
diff
changeset
|
294 |