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comparison src/http/ngx_http_header_filter.c @ 164:84036764e215

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nginx-0.0.1-2003-10-29-11:30:44 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 29 Oct 2003 08:30:44 +0000
parents 46eb23d9471d
children 894a01c6aea3
comparison
equal deleted inserted replaced
163:fb61ba77beba 164:84036764e215
100 100
101 if (r->method == NGX_HTTP_HEAD) { 101 if (r->method == NGX_HTTP_HEAD) {
102 r->header_only = 1; 102 r->header_only = 1;
103 } 103 }
104 104
105 /* 9 is for "HTTP/1.x ", 2 is for trailing "\r\n" 105 /* 2 is for trailing "\r\n" and 2 is for "\r\n" in the end of header */
106 and 2 is for end of header */ 106 len = sizeof("HTTP/1.x ") - 1 + 2 + 2;
107 len = 9 + 2 + 2;
108 107
109 /* status line */ 108 /* status line */
110 if (r->headers_out.status_line.len) { 109 if (r->headers_out.status_line.len) {
111 len += r->headers_out.status_line.len; 110 len += r->headers_out.status_line.len;
112 #if (NGX_SUPPRESS_WARN) 111 #if (NGX_SUPPRESS_WARN)
148 147
149 if (r->headers_out.date && r->headers_out.date->key.len) { 148 if (r->headers_out.date && r->headers_out.date->key.len) {
150 len += r->headers_out.date->key.len 149 len += r->headers_out.date->key.len
151 + r->headers_out.date->value.len + 2; 150 + r->headers_out.date->value.len + 2;
152 } else { 151 } else {
153 /* "Date: ... \r\n" */ 152 len += sizeof("Date: Mon, 28 Sep 1970 00:00:00 GMT" CRLF) - 1;
154 len += 37;
155 } 153 }
156 154
157 if (r->headers_out.content_range && r->headers_out.content_range->value.len) 155 if (r->headers_out.content_range && r->headers_out.content_range->value.len)
158 { 156 {
159 len += 15 + r->headers_out.content_range->value.len + 2; 157 len += sizeof("Content-Range: ") - 1
158 + r->headers_out.content_range->value.len + 2;
160 } 159 }
161 160
162 if (r->headers_out.content_length == NULL) { 161 if (r->headers_out.content_length == NULL) {
163 if (r->headers_out.content_length_n >= 0) { 162 if (r->headers_out.content_length_n >= 0) {
164 /* "Content-Length: ... \r\n", 2^64 is 20 characters */ 163 /* 2^64 */
165 len += 48; 164 len += sizeof("Content-Length: 18446744073709551616" CRLF) - 1;
166 } 165 }
167 } 166 }
168 167
169 if (r->headers_out.content_type && r->headers_out.content_type->value.len) { 168 if (r->headers_out.content_type && r->headers_out.content_type->value.len) {
170 r->headers_out.content_type->key.len = 0; 169 r->headers_out.content_type->key.len = 0;
171 len += 14 + r->headers_out.content_type->value.len + 2; 170 len += sizeof("Content-Type: ") - 1
171 + r->headers_out.content_type->value.len + 2;
172 172
173 if (r->headers_out.charset.len) { 173 if (r->headers_out.charset.len) {
174 /* "; charset= ... " */ 174 len += sizeof("; charset=") - 1 + r->headers_out.charset.len;
175 len += 10 + r->headers_out.charset.len;
176 } 175 }
177 } 176 }
178 177
179 if (r->headers_out.content_encoding 178 if (r->headers_out.content_encoding
180 && r->headers_out.content_encoding->value.len) 179 && r->headers_out.content_encoding->value.len)
185 if (r->headers_out.location 184 if (r->headers_out.location
186 && r->headers_out.location->value.len 185 && r->headers_out.location->value.len
187 && r->headers_out.location->value.data[0] == '/') 186 && r->headers_out.location->value.data[0] == '/')
188 { 187 {
189 r->headers_out.location->key.len = 0; 188 r->headers_out.location->key.len = 0;
190 /* "Location: http:// ... \r\n" */ 189 len += sizeof("Location: http://") - 1,
191 len += 17 + r->server_name->len 190 + r->server_name->len + r->headers_out.location->value.len + 2;
192 + r->headers_out.location->value.len + 2;
193 191
194 if (r->port != 80) { 192 if (r->port != 80) {
195 len += r->port_name->len; 193 len += r->port_name->len;
196 } 194 }
197 } 195 }
199 if (r->headers_out.last_modified && r->headers_out.last_modified->key.len) { 197 if (r->headers_out.last_modified && r->headers_out.last_modified->key.len) {
200 len += r->headers_out.last_modified->key.len 198 len += r->headers_out.last_modified->key.len
201 + r->headers_out.last_modified->value.len + 2; 199 + r->headers_out.last_modified->value.len + 2;
202 200
203 } else if (r->headers_out.last_modified_time != -1) { 201 } else if (r->headers_out.last_modified_time != -1) {
204 /* "Last-Modified: ... \r\n" */ 202 len += sizeof("Last-Modified: Mon, 28 Sep 1970 00:00:00 GMT" CRLF) - 1;
205 len += 46;
206 } 203 }
207 204
208 if (r->chunked) { 205 if (r->chunked) {
209 /* "Transfer-Encoding: chunked\r\n" */ 206 len += sizeof("Transfer-Encoding: chunked" CRLF) - 1;
210 len += 28;
211 } 207 }
212 208
213 if (r->keepalive) { 209 if (r->keepalive) {
214 /* "Connection: keep-alive\r\n" */ 210 len += sizeof("Connection: keep-alive" CRLF) - 1;
215 len += 24; 211 } else {
216 } else { 212 len += sizeof("Connection: closed" CRLF) - 1;
217 /* "Connection: close\r\n" */ 213 }
218 len += 19; 214
219 } 215 header = r->headers_out.headers->elts;
220
221 header = (ngx_table_elt_t *) r->headers_out.headers->elts;
222 for (i = 0; i < r->headers_out.headers->nelts; i++) { 216 for (i = 0; i < r->headers_out.headers->nelts; i++) {
223 if (header[i].key.len == 0) { 217 if (header[i].key.len == 0) {
224 continue; 218 continue;
225 } 219 }
226 220
228 } 222 }
229 223
230 ngx_test_null(h, ngx_create_temp_hunk(r->pool, len, 0, 64), NGX_ERROR); 224 ngx_test_null(h, ngx_create_temp_hunk(r->pool, len, 0, 64), NGX_ERROR);
231 225
232 /* "HTTP/1.x " */ 226 /* "HTTP/1.x " */
233 h->last = ngx_cpymem(h->last, "HTTP/1.1 ", 9); 227 h->last = ngx_cpymem(h->last, "HTTP/1.1 ", sizeof("HTTP/1.x ") - 1);
234 228
235 /* status line */ 229 /* status line */
236 if (r->headers_out.status_line.len) { 230 if (r->headers_out.status_line.len) {
237 h->last = ngx_cpymem(h->last, r->headers_out.status_line.data, 231 h->last = ngx_cpymem(h->last, r->headers_out.status_line.data,
238 r->headers_out.status_line.len); 232 r->headers_out.status_line.len);
246 if (!(r->headers_out.server && r->headers_out.server->key.len)) { 240 if (!(r->headers_out.server && r->headers_out.server->key.len)) {
247 h->last = ngx_cpymem(h->last, server_string, sizeof(server_string) - 1); 241 h->last = ngx_cpymem(h->last, server_string, sizeof(server_string) - 1);
248 } 242 }
249 243
250 if (!(r->headers_out.date && r->headers_out.date->key.len)) { 244 if (!(r->headers_out.date && r->headers_out.date->key.len)) {
251 h->last = ngx_cpymem(h->last, "Date: ", 6); 245 h->last = ngx_cpymem(h->last, "Date: ", sizeof("Date: ") - 1);
252 h->last += ngx_http_get_time(h->last, time(NULL)); 246 h->last += ngx_http_get_time(h->last, time(NULL));
253 *(h->last++) = CR; *(h->last++) = LF; 247 *(h->last++) = CR; *(h->last++) = LF;
254 } 248 }
255 249
256 250
257 if (r->headers_out.content_range && r->headers_out.content_range->value.len) 251 if (r->headers_out.content_range && r->headers_out.content_range->value.len)
258 { 252 {
259 h->last = ngx_cpymem(h->last, "Content-Range: ", 15); 253 h->last = ngx_cpymem(h->last, "Content-Range: ",
254 sizeof("Content-Range: ") - 1);
260 h->last = ngx_cpymem(h->last, r->headers_out.content_range->value.data, 255 h->last = ngx_cpymem(h->last, r->headers_out.content_range->value.data,
261 r->headers_out.content_range->value.len); 256 r->headers_out.content_range->value.len);
262 *(h->last++) = CR; *(h->last++) = LF; 257 *(h->last++) = CR; *(h->last++) = LF;
263 } 258 }
264 259
265 if (r->headers_out.content_length == NULL) { 260 if (r->headers_out.content_length == NULL) {
266 /* 2^64 is 20 characters */ 261 /* 2^64 is 20 characters */
267 if (r->headers_out.content_length_n >= 0) { 262 if (r->headers_out.content_length_n >= 0) {
268 h->last += ngx_snprintf(h->last, 49, 263 h->last += ngx_snprintf(h->last,
269 "Content-Length: " OFF_FMT CRLF, 264 sizeof("Content-Length: 18446744073709551616" CRLF),
270 r->headers_out.content_length_n); 265 "Content-Length: " OFF_FMT CRLF,
266 r->headers_out.content_length_n);
271 } 267 }
272 } 268 }
273 269
274 if (r->headers_out.content_type && r->headers_out.content_type->value.len) { 270 if (r->headers_out.content_type && r->headers_out.content_type->value.len) {
275 h->last = ngx_cpymem(h->last, "Content-Type: ", 14); 271 h->last = ngx_cpymem(h->last, "Content-Type: ",
272 sizeof("Content-Type: ") - 1);
276 h->last = ngx_cpymem(h->last, r->headers_out.content_type->value.data, 273 h->last = ngx_cpymem(h->last, r->headers_out.content_type->value.data,
277 r->headers_out.content_type->value.len); 274 r->headers_out.content_type->value.len);
278 275
279 if (r->headers_out.charset.len) { 276 if (r->headers_out.charset.len) {
280 h->last = ngx_cpymem(h->last, "; charset=", 10); 277 h->last = ngx_cpymem(h->last, "; charset=",
278 sizeof("; charset=") - 1);
281 h->last = ngx_cpymem(h->last, r->headers_out.charset.data, 279 h->last = ngx_cpymem(h->last, r->headers_out.charset.data,
282 r->headers_out.charset.len); 280 r->headers_out.charset.len);
283 } 281 }
284 282
285 *(h->last++) = CR; *(h->last++) = LF; 283 *(h->last++) = CR; *(h->last++) = LF;
286 } 284 }
287 285
288 if (r->headers_out.content_encoding 286 if (r->headers_out.content_encoding
289 && r->headers_out.content_encoding->value.len) 287 && r->headers_out.content_encoding->value.len)
290 { 288 {
291 h->last = ngx_cpymem(h->last, "Content-Encoding: ", 18); 289 h->last = ngx_cpymem(h->last, "Content-Encoding: ",
290 sizeof("Content-Encoding: ") - 1);
292 h->last = ngx_cpymem(h->last, 291 h->last = ngx_cpymem(h->last,
293 r->headers_out.content_encoding->value.data, 292 r->headers_out.content_encoding->value.data,
294 r->headers_out.content_encoding->value.len); 293 r->headers_out.content_encoding->value.len);
295 294
296 *(h->last++) = CR; *(h->last++) = LF; 295 *(h->last++) = CR; *(h->last++) = LF;
298 297
299 if (r->headers_out.location 298 if (r->headers_out.location
300 && r->headers_out.location->value.len 299 && r->headers_out.location->value.len
301 && r->headers_out.location->value.data[0] == '/') 300 && r->headers_out.location->value.data[0] == '/')
302 { 301 {
303 h->last = ngx_cpymem(h->last, "Location: http://", 17); 302 h->last = ngx_cpymem(h->last, "Location: http://",
303 sizeof("Location: http://") - 1);
304 h->last = ngx_cpymem(h->last, r->server_name->data, 304 h->last = ngx_cpymem(h->last, r->server_name->data,
305 r->server_name->len); 305 r->server_name->len);
306 if (r->port != 80) { 306 if (r->port != 80) {
307 h->last = ngx_cpymem(h->last, r->port_name->data, 307 h->last = ngx_cpymem(h->last, r->port_name->data,
308 r->port_name->len); 308 r->port_name->len);
315 } 315 }
316 316
317 if (!(r->headers_out.last_modified && r->headers_out.last_modified->key.len) 317 if (!(r->headers_out.last_modified && r->headers_out.last_modified->key.len)
318 && r->headers_out.last_modified_time != -1) 318 && r->headers_out.last_modified_time != -1)
319 { 319 {
320 h->last = ngx_cpymem(h->last, "Last-Modified: ", 15); 320 h->last = ngx_cpymem(h->last, "Last-Modified: ",
321 sizeof("Last-Modified: ") - 1);
321 h->last += ngx_http_get_time(h->last, 322 h->last += ngx_http_get_time(h->last,
322 r->headers_out.last_modified_time); 323 r->headers_out.last_modified_time);
323 *(h->last++) = CR; *(h->last++) = LF; 324 *(h->last++) = CR; *(h->last++) = LF;
324 } 325 }
325 326
326 if (r->chunked) { 327 if (r->chunked) {
327 h->last = ngx_cpymem(h->last, "Transfer-Encoding: chunked" CRLF, 28); 328 h->last = ngx_cpymem(h->last, "Transfer-Encoding: chunked" CRLF,
329 sizeof("Transfer-Encoding: chunked" CRLF) - 1);
328 } 330 }
329 331
330 if (r->keepalive) { 332 if (r->keepalive) {
331 h->last = ngx_cpymem(h->last, "Connection: keep-alive" CRLF, 24); 333 h->last = ngx_cpymem(h->last, "Connection: keep-alive" CRLF,
332 334 sizeof("Connection: keep-alive" CRLF) - 1);
333 } else { 335
334 h->last = ngx_cpymem(h->last, "Connection: close" CRLF, 19); 336 } else {
337 h->last = ngx_cpymem(h->last, "Connection: close" CRLF,
338 sizeof("Connection: close" CRLF) - 1);
335 } 339 }
336 340
337 for (i = 0; i < r->headers_out.headers->nelts; i++) { 341 for (i = 0; i < r->headers_out.headers->nelts; i++) {
338 if (header[i].key.len == 0) { 342 if (header[i].key.len == 0) {
339 continue; 343 continue;