Mercurial > hg > nginx-quic
annotate src/http/ngx_http_copy_filter_module.c @ 5629:c7bbc5fcf27c
Mp4: fixed seeking to a track end.
When "start" value is equal to a track duration the request
fails with "time is out mp4 stts" like it did before track
duration check was added. Now such tracks are considered
short and skipped.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Mon, 31 Mar 2014 19:52:17 +0400 |
parents | d39a69427056 |
children | ccad84a174e0 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
43
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11 |
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13 typedef struct { |
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14 ngx_bufs_t bufs; |
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15 } ngx_http_copy_filter_conf_t; |
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16 |
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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); |
3065 | 22 #if (NGX_HAVE_AIO_SENDFILE) |
23 static void ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev); | |
24 #endif | |
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25 #endif |
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26 |
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27 static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf); |
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28 static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, |
501 | 29 void *parent, void *child); |
681 | 30 static ngx_int_t ngx_http_copy_filter_init(ngx_conf_t *cf); |
10
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31 |
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32 |
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33 static ngx_command_t ngx_http_copy_filter_commands[] = { |
10
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34 |
501 | 35 { ngx_string("output_buffers"), |
36 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
37 ngx_conf_set_bufs_slot, | |
38 NGX_HTTP_LOC_CONF_OFFSET, | |
39 offsetof(ngx_http_copy_filter_conf_t, bufs), | |
40 NULL }, | |
10
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41 |
501 | 42 ngx_null_command |
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43 }; |
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44 |
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45 |
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46 static ngx_http_module_t ngx_http_copy_filter_module_ctx = { |
509 | 47 NULL, /* preconfiguration */ |
681 | 48 ngx_http_copy_filter_init, /* postconfiguration */ |
177
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49 |
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50 NULL, /* create main configuration */ |
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51 NULL, /* init main configuration */ |
69
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52 |
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53 NULL, /* create server configuration */ |
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54 NULL, /* merge server configuration */ |
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55 |
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56 ngx_http_copy_filter_create_conf, /* create location configuration */ |
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57 ngx_http_copy_filter_merge_conf /* merge location configuration */ |
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58 }; |
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59 |
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60 |
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61 ngx_module_t ngx_http_copy_filter_module = { |
509 | 62 NGX_MODULE_V1, |
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63 &ngx_http_copy_filter_module_ctx, /* module context */ |
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64 ngx_http_copy_filter_commands, /* module directives */ |
96
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65 NGX_HTTP_MODULE, /* module type */ |
541 | 66 NULL, /* init master */ |
681 | 67 NULL, /* init module */ |
541 | 68 NULL, /* init process */ |
69 NULL, /* init thread */ | |
70 NULL, /* exit thread */ | |
71 NULL, /* exit process */ | |
72 NULL, /* exit master */ | |
73 NGX_MODULE_V1_PADDING | |
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74 }; |
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75 |
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76 |
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77 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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78 |
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79 |
501 | 80 static ngx_int_t |
81 ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
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82 { |
583 | 83 ngx_int_t rc; |
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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87 ngx_http_copy_filter_conf_t *conf; |
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88 |
583 | 89 c = r->connection; |
90 | |
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); |
509 | 93 |
94 ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module); | |
60
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95 |
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96 if (ctx == NULL) { |
501 | 97 ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t)); |
98 if (ctx == NULL) { | |
99 return NGX_ERROR; | |
100 } | |
101 | |
102 ngx_http_set_ctx(r, ctx, ngx_http_copy_filter_module); | |
60
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103 |
3053 | 104 conf = ngx_http_get_module_loc_conf(r, ngx_http_copy_filter_module); |
105 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
106 | |
583 | 107 ctx->sendfile = c->sendfile; |
513 | 108 ctx->need_in_memory = r->main_filter_need_in_memory |
109 || r->filter_need_in_memory; | |
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110 ctx->need_in_temp = r->filter_need_temporary; |
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111 |
3053 | 112 ctx->alignment = clcf->directio_alignment; |
113 | |
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114 ctx->pool = r->pool; |
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115 ctx->bufs = conf->bufs; |
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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) |
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119 ngx_http_next_body_filter; |
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120 ctx->filter_ctx = r; |
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121 |
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122 #if (NGX_HAVE_FILE_AIO) |
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123 if (ngx_file_aio) { |
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124 if (clcf->aio) { |
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125 ctx->aio_handler = ngx_http_copy_aio_handler; |
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126 } |
3065 | 127 #if (NGX_HAVE_AIO_SENDFILE) |
128 c->aio_sendfile = (clcf->aio == NGX_HTTP_AIO_SENDFILE); | |
129 #endif | |
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130 } |
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131 #endif |
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132 |
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133 if (in && in->buf && ngx_buf_size(in->buf)) { |
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134 r->request_output = 1; |
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135 } |
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136 } |
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137 |
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138 #if (NGX_HAVE_FILE_AIO) |
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139 ctx->aio = r->aio; |
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140 #endif |
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141 |
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142 for ( ;; ) { |
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143 rc = ngx_output_chain(ctx, in); |
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145 if (ctx->in == NULL) { |
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146 r->buffered &= ~NGX_HTTP_COPY_BUFFERED; |
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147 |
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148 } else { |
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149 r->buffered |= NGX_HTTP_COPY_BUFFERED; |
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150 } |
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151 |
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152 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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153 "http copy filter: %i \"%V?%V\"", rc, &r->uri, &r->args); |
583 | 154 |
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155 #if (NGX_HAVE_FILE_AIO && NGX_HAVE_AIO_SENDFILE) |
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157 if (c->busy_sendfile) { |
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158 ssize_t n; |
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159 off_t offset; |
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160 ngx_file_t *file; |
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161 ngx_http_ephemeral_t *e; |
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163 if (r->aio) { |
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164 c->busy_sendfile = NULL; |
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165 return rc; |
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166 } |
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167 |
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168 file = c->busy_sendfile->file; |
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169 offset = c->busy_sendfile->file_pos; |
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170 |
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171 if (file->aio) { |
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172 c->busy_count = (offset == file->aio->last_offset) ? |
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173 c->busy_count + 1 : 0; |
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174 file->aio->last_offset = offset; |
3065 | 175 |
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176 if (c->busy_count > 2) { |
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177 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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178 "sendfile(%V) returned busy again", |
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179 &file->name); |
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180 c->aio_sendfile = 0; |
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181 } |
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182 } |
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183 |
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184 c->busy_sendfile = NULL; |
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185 e = (ngx_http_ephemeral_t *) &r->uri_start; |
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186 |
3085 | 187 n = ngx_file_aio_read(file, &e->aio_preload, 1, offset, r->pool); |
3065 | 188 |
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189 if (n > 0) { |
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190 in = NULL; |
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191 continue; |
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192 } |
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193 |
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194 rc = n; |
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195 |
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196 if (rc == NGX_AGAIN) { |
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197 file->aio->data = r; |
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198 file->aio->handler = ngx_http_copy_aio_sendfile_event_handler; |
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199 |
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200 r->main->blocked++; |
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201 r->aio = 1; |
3065 | 202 } |
203 } | |
204 #endif | |
205 | |
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206 return rc; |
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207 } |
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208 } |
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209 |
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210 |
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211 #if (NGX_HAVE_FILE_AIO) |
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212 |
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213 static void |
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214 ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file) |
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215 { |
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216 ngx_http_request_t *r; |
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217 |
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218 r = ctx->filter_ctx; |
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219 |
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220 file->aio->data = r; |
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221 file->aio->handler = ngx_http_copy_aio_event_handler; |
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222 |
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223 r->main->blocked++; |
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224 r->aio = 1; |
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225 ctx->aio = 1; |
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226 } |
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227 |
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228 |
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229 static void |
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230 ngx_http_copy_aio_event_handler(ngx_event_t *ev) |
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231 { |
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232 ngx_event_aio_t *aio; |
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233 ngx_http_request_t *r; |
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234 |
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235 aio = ev->data; |
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236 r = aio->data; |
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237 |
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238 r->main->blocked--; |
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239 r->aio = 0; |
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240 |
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241 r->connection->write->handler(r->connection->write); |
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242 } |
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243 |
3065 | 244 |
245 #if (NGX_HAVE_AIO_SENDFILE) | |
246 | |
247 static void | |
248 ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev) | |
249 { | |
250 ngx_event_aio_t *aio; | |
251 ngx_http_request_t *r; | |
252 | |
253 aio = ev->data; | |
254 r = aio->data; | |
255 | |
256 r->main->blocked--; | |
257 r->aio = 0; | |
258 ev->complete = 0; | |
259 | |
260 r->connection->write->handler(r->connection->write); | |
261 } | |
262 | |
263 #endif | |
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264 #endif |
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265 |
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266 |
501 | 267 static void * |
268 ngx_http_copy_filter_create_conf(ngx_conf_t *cf) | |
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269 { |
334
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270 ngx_http_copy_filter_conf_t *conf; |
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271 |
501 | 272 conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t)); |
273 if (conf == NULL) { | |
274 return NULL; | |
275 } | |
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276 |
141
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277 conf->bufs.num = 0; |
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278 |
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279 return conf; |
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280 } |
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281 |
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282 |
501 | 283 static char * |
284 ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
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285 { |
334
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286 ngx_http_copy_filter_conf_t *prev = parent; |
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287 ngx_http_copy_filter_conf_t *conf = child; |
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288 |
160
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289 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 1, 32768); |
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290 |
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291 return NULL; |
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292 } |
334
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Igor Sysoev <igor@sysoev.ru>
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327
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293 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
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327
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294 |
501 | 295 static ngx_int_t |
681 | 296 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>
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327
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297 { |
4542
586969d972b9
Local variable "ngx_http_next_filter" renamed to "ngx_http_next_body_filter"
Ruslan Ermilov <ru@nginx.com>
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4415
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298 ngx_http_next_body_filter = ngx_http_top_body_filter; |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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327
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299 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
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300 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
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327
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301 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
327
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302 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
327
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303 |