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comparison src/http/ngx_http_header_filter.c @ 429:694cd6cdb714

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nginx-0.0.11-2004-09-17-20:07:35 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 17 Sep 2004 16:07:35 +0000
parents fda5987b188d
children 11362a3e3911
comparison
equal deleted inserted replaced
428:5e73d0ea4dab 429:694cd6cdb714
112 }; 112 };
113 113
114 114
115 static ngx_int_t ngx_http_header_filter(ngx_http_request_t *r) 115 static ngx_int_t ngx_http_header_filter(ngx_http_request_t *r)
116 { 116 {
117 u_char *p; 117 u_char *p;
118 size_t len; 118 size_t len;
119 ngx_uint_t status, i; 119 ngx_uint_t status, i;
120 ngx_buf_t *b; 120 ngx_buf_t *b;
121 ngx_chain_t *ln; 121 ngx_chain_t *ln;
122 ngx_list_part_t *part; 122 ngx_list_part_t *part;
123 ngx_table_elt_t *header; 123 ngx_table_elt_t *header;
124 ngx_http_core_loc_conf_t *clcf;
124 125
125 if (r->http_version < NGX_HTTP_VERSION_10) { 126 if (r->http_version < NGX_HTTP_VERSION_10) {
126 return NGX_OK; 127 return NGX_OK;
127 } 128 }
128 129
220 221
221 if (r->chunked) { 222 if (r->chunked) {
222 len += sizeof("Transfer-Encoding: chunked" CRLF) - 1; 223 len += sizeof("Transfer-Encoding: chunked" CRLF) - 1;
223 } 224 }
224 225
226 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
227
225 if (r->keepalive) { 228 if (r->keepalive) {
226 len += sizeof("Connection: keep-alive" CRLF) - 1; 229 len += sizeof("Connection: keep-alive" CRLF) - 1;
230
231 /*
232 * MSIE and Opera ignore the "Keep-Alive: timeout=<N>" header.
233 * MSIE keeps the connection alive for about 60-65 seconds.
234 * Opera keeps the connection alive very long.
235 * Mozilla keeps the connection alive for N plus about 1-10 seconds.
236 * Konqueror keeps the connection alive for about N seconds.
237 */
238
239 if (clcf->keepalive_header
240 && (r->headers_in.gecko || r->headers_in.konqueror))
241 {
242 len += sizeof("Keep-Alive: timeout=") - 1 + TIME_T_LEN + 2;
243 }
244
227 } else { 245 } else {
228 len += sizeof("Connection: closed" CRLF) - 1; 246 len += sizeof("Connection: closed" CRLF) - 1;
229 } 247 }
230 248
231 part = &r->headers_out.headers.part; 249 part = &r->headers_out.headers.part;
240 258
241 part = part->next; 259 part = part->next;
242 header = part->elts; 260 header = part->elts;
243 i = 0; 261 i = 0;
244 } 262 }
245
246 #if 0
247 header = r->headers_out.headers.elts;
248 for (i = 0; i < r->headers_out.headers.nelts; i++) {
249 #endif
250 263
251 if (header[i].key.len == 0) { 264 if (header[i].key.len == 0) {
252 continue; 265 continue;
253 } 266 }
254 267
355 368
356 if (r->keepalive) { 369 if (r->keepalive) {
357 b->last = ngx_cpymem(b->last, "Connection: keep-alive" CRLF, 370 b->last = ngx_cpymem(b->last, "Connection: keep-alive" CRLF,
358 sizeof("Connection: keep-alive" CRLF) - 1); 371 sizeof("Connection: keep-alive" CRLF) - 1);
359 372
373 if (clcf->keepalive_header
374 && (r->headers_in.gecko || r->headers_in.konqueror))
375 {
376 b->last += ngx_snprintf((char *) b->last,
377 sizeof("Keep-Alive: timeout=") + TIME_T_LEN + 2,
378 "Keep-Alive: timeout=" TIME_T_FMT CRLF,
379 clcf->keepalive_header);
380 }
381
360 } else { 382 } else {
361 b->last = ngx_cpymem(b->last, "Connection: close" CRLF, 383 b->last = ngx_cpymem(b->last, "Connection: close" CRLF,
362 sizeof("Connection: close" CRLF) - 1); 384 sizeof("Connection: close" CRLF) - 1);
363 } 385 }
364 386
375 part = part->next; 397 part = part->next;
376 header = part->elts; 398 header = part->elts;
377 i = 0; 399 i = 0;
378 } 400 }
379 401
380 #if 0
381 for (i = 0; i < r->headers_out.headers.nelts; i++) {
382 #endif
383
384 if (header[i].key.len == 0) { 402 if (header[i].key.len == 0) {
385 continue; 403 continue;
386 } 404 }
387 405
388 b->last = ngx_cpymem(b->last, header[i].key.data, header[i].key.len); 406 b->last = ngx_cpymem(b->last, header[i].key.data, header[i].key.len);