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85491f8d | 1 | |
2 | /* | |
cc192b50 | 3 | * $Id: urn.cc,v 1.108 2007/12/14 23:11:48 amosjeffries Exp $ |
ebe14c5d | 4 | * |
6f6f0853 | 5 | * DEBUG: section 52 URN Parsing |
85491f8d | 6 | * AUTHOR: Kostas Anagnostakis |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
85491f8d | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
85491f8d | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
85491f8d | 34 | */ |
35 | ||
36 | #include "squid.h" | |
aa839030 | 37 | #include "errorpage.h" |
c8be6d7b | 38 | #include "StoreClient.h" |
e6ccf245 | 39 | #include "Store.h" |
528b2c61 | 40 | #include "HttpReply.h" |
41 | #include "HttpRequest.h" | |
0eb49b6d | 42 | #include "MemBuf.h" |
b6b6f466 | 43 | #include "forward.h" |
985c86bc | 44 | #include "SquidTime.h" |
85491f8d | 45 | |
add2192d | 46 | #define URN_REQBUF_SZ 4096 |
47 | ||
62e76326 | 48 | class UrnState : public StoreClient |
49 | { | |
50 | ||
e6ccf245 | 51 | public: |
3b13a8fd | 52 | void created (StoreEntry *newEntry); |
06096e82 | 53 | void *operator new (size_t byteCount); |
e6ccf245 | 54 | void operator delete (void *address); |
190154cf | 55 | void start (HttpRequest *, StoreEntry *); |
30abd221 | 56 | char *getHost (String &urlpath); |
190154cf | 57 | void setUriResFromRequest(HttpRequest *); |
58 | bool RequestNeedsMenu(HttpRequest *r); | |
59 | void updateRequestURL(HttpRequest *r, char const *newPath); | |
30abd221 | 60 | void createUriResRequest (String &uri); |
e6ccf245 | 61 | |
62 | virtual ~UrnState(); | |
62e76326 | 63 | |
64 | ||
164f7660 | 65 | StoreEntry *entry; |
06d2839d | 66 | store_client *sc; |
164f7660 | 67 | StoreEntry *urlres_e; |
190154cf | 68 | HttpRequest *request; |
69 | HttpRequest *urlres_r; | |
62e76326 | 70 | |
71 | struct | |
72 | { | |
73 | ||
74 | unsigned int force_menu: | |
75 | 1; | |
76 | } | |
77 | ||
78 | flags; | |
add2192d | 79 | char reqbuf[URN_REQBUF_SZ]; |
80 | int reqofs; | |
62e76326 | 81 | |
e6ccf245 | 82 | private: |
83 | char *urlres; | |
84 | }; | |
85491f8d | 85 | |
62e76326 | 86 | typedef struct |
87 | { | |
9ce5e3e6 | 88 | char *url; |
89 | char *host; | |
90 | int rtt; | |
62e76326 | 91 | |
92 | struct | |
93 | { | |
94 | int cached; | |
95 | } | |
96 | ||
97 | flags; | |
98 | } | |
99 | ||
100 | url_entry; | |
9ce5e3e6 | 101 | |
102 | static STCB urnHandleReply; | |
103 | static url_entry *urnParseReply(const char *inbuf, method_t); | |
104 | static const char *const crlf = "\r\n"; | |
105 | static QS url_entry_sort; | |
106 | ||
e6ccf245 | 107 | CBDATA_TYPE(UrnState); |
108 | void * | |
06096e82 | 109 | UrnState::operator new (size_t byteCount) |
e6ccf245 | 110 | { |
62e76326 | 111 | /* derived classes with different sizes must implement their own new */ |
e6ccf245 | 112 | assert (byteCount == sizeof (UrnState)); |
113 | CBDATA_INIT_TYPE(UrnState); | |
114 | return cbdataAlloc(UrnState); | |
62e76326 | 115 | |
e6ccf245 | 116 | } |
117 | ||
118 | void | |
119 | UrnState::operator delete (void *address) | |
120 | { | |
1f1ae50a | 121 | UrnState * tmp = (UrnState *)address; |
122 | cbdataFree (tmp); | |
e6ccf245 | 123 | } |
124 | ||
125 | UrnState::~UrnState () | |
126 | { | |
127 | safe_free(urlres); | |
128 | } | |
129 | ||
48ebcb22 | 130 | static url_entry * |
9ce5e3e6 | 131 | urnFindMinRtt(url_entry * urls, method_t m, int *rtt_ret) |
85491f8d | 132 | { |
23d92c64 | 133 | int min_rtt = 0; |
9ce5e3e6 | 134 | url_entry *u = NULL; |
135 | url_entry *min_u = NULL; | |
136 | int i; | |
1caf595b | 137 | int urlcnt = 0; |
bf8fe701 | 138 | debugs(52, 3, "urnFindMinRtt"); |
23d92c64 | 139 | assert(urls != NULL); |
62e76326 | 140 | |
00141c96 | 141 | for (i = 0; NULL != urls[i].url; i++) |
62e76326 | 142 | urlcnt++; |
143 | ||
bf8fe701 | 144 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 145 | |
9ce5e3e6 | 146 | if (1 == urlcnt) { |
bf8fe701 | 147 | debugs(52, 3, "urnFindMinRtt: Only one URL - return it!"); |
62e76326 | 148 | return urls; |
1caf595b | 149 | } |
62e76326 | 150 | |
00141c96 | 151 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 152 | u = &urls[i]; |
bf8fe701 | 153 | debugs(52, 3, "urnFindMinRtt: " << u->host << " rtt=" << u->rtt); |
62e76326 | 154 | |
155 | if (u->rtt == 0) | |
156 | continue; | |
157 | ||
158 | if (u->rtt > min_rtt && min_rtt != 0) | |
159 | continue; | |
160 | ||
161 | min_rtt = u->rtt; | |
162 | ||
163 | min_u = u; | |
23d92c64 | 164 | } |
62e76326 | 165 | |
23d92c64 | 166 | if (rtt_ret) |
62e76326 | 167 | *rtt_ret = min_rtt; |
168 | ||
bf8fe701 | 169 | debugs(52, 1, "urnFindMinRtt: Returning '" << |
170 | (min_u ? min_u->url : "NONE") << "' RTT " << | |
171 | min_rtt ); | |
62e76326 | 172 | |
9ce5e3e6 | 173 | return min_u; |
85491f8d | 174 | } |
175 | ||
e6ccf245 | 176 | char * |
30abd221 | 177 | UrnState::getHost (String &urlpath) |
85491f8d | 178 | { |
e6ccf245 | 179 | char * result; |
180 | char const *t; | |
62e76326 | 181 | |
cc192b50 | 182 | /* FIXME: this appears to be parsing the URL. *very* badly. */ |
183 | /* FIXME: a proper encapsulated URI/URL type needs to clear this up. */ | |
184 | ||
650c4b88 | 185 | if ((t = urlpath.pos(':')) != NULL) { |
186 | urlpath.set(t, '\0'); | |
30abd221 | 187 | result = xstrdup(urlpath.buf()); |
650c4b88 | 188 | urlpath.set(t, ':'); |
fa040df2 | 189 | } else { |
30abd221 | 190 | result = xstrdup(urlpath.buf()); |
fa040df2 | 191 | } |
62e76326 | 192 | |
e6ccf245 | 193 | return result; |
194 | } | |
195 | ||
196 | bool | |
190154cf | 197 | UrnState::RequestNeedsMenu(HttpRequest *r) |
e6ccf245 | 198 | { |
30abd221 | 199 | return strncasecmp(r->urlpath.buf(), "menu.", 5) == 0; |
e6ccf245 | 200 | } |
201 | ||
202 | void | |
190154cf | 203 | UrnState::updateRequestURL(HttpRequest *r, char const *newPath) |
e6ccf245 | 204 | { |
62e76326 | 205 | char *new_path = xstrdup (newPath); |
206 | r->urlpath = new_path; | |
207 | xfree(new_path); | |
e6ccf245 | 208 | } |
209 | ||
210 | void | |
30abd221 | 211 | UrnState::createUriResRequest (String &uri) |
e6ccf245 | 212 | { |
213 | LOCAL_ARRAY(char, local_urlres, 4096); | |
214 | char *host = getHost (uri); | |
30abd221 | 215 | snprintf(local_urlres, 4096, "http://%s/uri-res/N2L?urn:%s", host, uri.buf()); |
e6ccf245 | 216 | safe_free (host); |
217 | safe_free (urlres); | |
218 | urlres = xstrdup (local_urlres); | |
c21ad0f5 | 219 | urlres_r = HttpRequest::CreateFromUrl(urlres); |
e6ccf245 | 220 | } |
221 | ||
222 | void | |
190154cf | 223 | UrnState::setUriResFromRequest(HttpRequest *r) |
e6ccf245 | 224 | { |
225 | if (RequestNeedsMenu(r)) { | |
30abd221 | 226 | updateRequestURL(r, r->urlpath.buf() + 5); |
62e76326 | 227 | flags.force_menu = 1; |
e6ccf245 | 228 | } |
62e76326 | 229 | |
e6ccf245 | 230 | createUriResRequest (r->urlpath); |
62e76326 | 231 | |
0adbab7c | 232 | if (urlres_r == NULL) { |
bf8fe701 | 233 | debugs(52, 3, "urnStart: Bad uri-res URL " << urlres); |
2cc81f1f | 234 | ErrorState *err = errorCon(ERR_URN_RESOLVE, HTTP_NOT_FOUND, r); |
62e76326 | 235 | err->url = urlres; |
236 | urlres = NULL; | |
237 | errorAppendEntry(entry, err); | |
238 | return; | |
0adbab7c | 239 | } |
62e76326 | 240 | |
6dd9f4bd | 241 | HTTPMSGLOCK(urlres_r); |
a9925b40 | 242 | urlres_r->header.putStr(HDR_ACCEPT, "text/plain"); |
e6ccf245 | 243 | } |
244 | ||
245 | void | |
190154cf | 246 | UrnState::start(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 247 | { |
bf8fe701 | 248 | debugs(52, 3, "urnStart: '" << e->url() << "'" ); |
e6ccf245 | 249 | entry = e; |
6dd9f4bd | 250 | request = HTTPMSGLOCK(r); |
34266cde | 251 | |
252 | entry->lock() | |
253 | ||
254 | ; | |
e6ccf245 | 255 | setUriResFromRequest(r); |
62e76326 | 256 | |
e6ccf245 | 257 | if (urlres_r == NULL) |
62e76326 | 258 | return; |
259 | ||
3b13a8fd | 260 | StoreEntry::getPublic (this, urlres, METHOD_GET); |
e6ccf245 | 261 | } |
262 | ||
263 | void | |
3b13a8fd | 264 | UrnState::created(StoreEntry *newEntry) |
e6ccf245 | 265 | { |
266 | urlres_e = newEntry; | |
62e76326 | 267 | |
e6ccf245 | 268 | if (urlres_e->isNull()) { |
62e76326 | 269 | urlres_e = storeCreateEntry(urlres, urlres, request_flags(), METHOD_GET); |
270 | sc = storeClientListAdd(urlres_e, this); | |
b6b6f466 | 271 | FwdState::fwdStart(-1, urlres_e, urlres_r); |
cf26e54c | 272 | } else { |
34266cde | 273 | |
274 | urlres_e->lock() | |
275 | ||
276 | ; | |
62e76326 | 277 | sc = storeClientListAdd(urlres_e, this); |
85491f8d | 278 | } |
62e76326 | 279 | |
e6ccf245 | 280 | reqofs = 0; |
528b2c61 | 281 | StoreIOBuffer tempBuffer; |
e6ccf245 | 282 | tempBuffer.offset = reqofs; |
c8be6d7b | 283 | tempBuffer.length = URN_REQBUF_SZ; |
e6ccf245 | 284 | tempBuffer.data = reqbuf; |
285 | storeClientCopy(sc, urlres_e, | |
62e76326 | 286 | tempBuffer, |
287 | urnHandleReply, | |
288 | this); | |
e6ccf245 | 289 | } |
290 | ||
291 | void | |
190154cf | 292 | urnStart(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 293 | { |
294 | UrnState *anUrn = new UrnState(); | |
295 | anUrn->start (r, e); | |
85491f8d | 296 | } |
297 | ||
9ce5e3e6 | 298 | static int |
299 | url_entry_sort(const void *A, const void *B) | |
300 | { | |
e6ccf245 | 301 | const url_entry *u1 = (const url_entry *)A; |
302 | const url_entry *u2 = (const url_entry *)B; | |
62e76326 | 303 | |
9ce5e3e6 | 304 | if (u2->rtt == u1->rtt) |
62e76326 | 305 | return 0; |
9ce5e3e6 | 306 | else if (0 == u1->rtt) |
62e76326 | 307 | return 1; |
9ce5e3e6 | 308 | else if (0 == u2->rtt) |
62e76326 | 309 | return -1; |
9ce5e3e6 | 310 | else |
62e76326 | 311 | return u1->rtt - u2->rtt; |
9ce5e3e6 | 312 | } |
313 | ||
528b2c61 | 314 | /* TODO: use the clientStream support for this */ |
85491f8d | 315 | static void |
c8be6d7b | 316 | urnHandleReply(void *data, StoreIOBuffer result) |
85491f8d | 317 | { |
e6ccf245 | 318 | UrnState *urnState = static_cast<UrnState *>(data); |
cf26e54c | 319 | StoreEntry *e = urnState->entry; |
320 | StoreEntry *urlres_e = urnState->urlres_e; | |
23d92c64 | 321 | char *s = NULL; |
2334c194 | 322 | size_t k; |
cb69b4c7 | 323 | HttpReply *rep; |
9ce5e3e6 | 324 | url_entry *urls; |
00141c96 | 325 | url_entry *u; |
9ce5e3e6 | 326 | url_entry *min_u; |
032785bf | 327 | MemBuf *mb = NULL; |
cf26e54c | 328 | ErrorState *err; |
9ce5e3e6 | 329 | int i; |
330 | int urlcnt = 0; | |
add2192d | 331 | char *buf = urnState->reqbuf; |
c8be6d7b | 332 | StoreIOBuffer tempBuffer; |
cf26e54c | 333 | |
bf8fe701 | 334 | debugs(52, 3, "urnHandleReply: Called with size=" << (unsigned int)result.length << "."); |
62e76326 | 335 | |
450e0c10 | 336 | /* Can't be lower because of the goto's */ |
337 | HttpVersion version(1, 0); | |
338 | ||
b7fe0ab0 | 339 | if (EBIT_TEST(urlres_e->flags, ENTRY_ABORTED)) { |
62e76326 | 340 | goto error; |
85491f8d | 341 | } |
62e76326 | 342 | |
c8be6d7b | 343 | if (result.length == 0) { |
62e76326 | 344 | goto error; |
c8be6d7b | 345 | } else if (result.flags.error < 0) { |
62e76326 | 346 | goto error; |
85491f8d | 347 | } |
62e76326 | 348 | |
add2192d | 349 | /* Update reqofs to point to where in the buffer we'd be */ |
c8be6d7b | 350 | urnState->reqofs += result.length; |
add2192d | 351 | |
352 | /* Handle reqofs being bigger than normal */ | |
353 | if (urnState->reqofs >= URN_REQBUF_SZ) { | |
62e76326 | 354 | goto error; |
add2192d | 355 | } |
62e76326 | 356 | |
add2192d | 357 | /* If we haven't received the entire object (urn), copy more */ |
358 | if (urlres_e->store_status == STORE_PENDING && | |
62e76326 | 359 | urnState->reqofs < URN_REQBUF_SZ) { |
360 | tempBuffer.offset = urnState->reqofs; | |
361 | tempBuffer.length = URN_REQBUF_SZ; | |
362 | tempBuffer.data = urnState->reqbuf + urnState->reqofs; | |
363 | storeClientCopy(urnState->sc, urlres_e, | |
364 | tempBuffer, | |
365 | urnHandleReply, | |
366 | urnState); | |
367 | return; | |
23d92c64 | 368 | } |
62e76326 | 369 | |
23d92c64 | 370 | /* we know its STORE_OK */ |
add2192d | 371 | k = headersEnd(buf, urnState->reqofs); |
62e76326 | 372 | |
2334c194 | 373 | if (0 == k) { |
bf8fe701 | 374 | debugs(52, 1, "urnHandleReply: didn't find end-of-headers for " << e->url() ); |
62e76326 | 375 | goto error; |
85491f8d | 376 | } |
62e76326 | 377 | |
2334c194 | 378 | s = buf + k; |
528b2c61 | 379 | assert(urlres_e->getReply()); |
06a5ae20 | 380 | rep = new HttpReply; |
59eed7dc | 381 | rep->parseCharBuf(buf, k); |
bf8fe701 | 382 | debugs(52, 3, "reply exists, code=" << rep->sline.status << "."); |
62e76326 | 383 | |
528b2c61 | 384 | if (rep->sline.status != HTTP_OK) { |
bf8fe701 | 385 | debugs(52, 3, "urnHandleReply: failed."); |
2cc81f1f | 386 | err = errorCon(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 387 | err->url = xstrdup(e->url()); |
62e76326 | 388 | errorAppendEntry(e, err); |
06a5ae20 | 389 | delete rep; |
62e76326 | 390 | goto error; |
85491f8d | 391 | } |
62e76326 | 392 | |
06a5ae20 | 393 | delete rep; |
62e76326 | 394 | |
b6a2f15e | 395 | while (xisspace(*s)) |
62e76326 | 396 | s++; |
397 | ||
9ce5e3e6 | 398 | urls = urnParseReply(s, urnState->request->method); |
62e76326 | 399 | |
00141c96 | 400 | for (i = 0; NULL != urls[i].url; i++) |
62e76326 | 401 | urlcnt++; |
402 | ||
bf8fe701 | 403 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 404 | |
164f7660 | 405 | if (urls == NULL) { /* unkown URN error */ |
bf8fe701 | 406 | debugs(52, 3, "urnTranslateDone: unknown URN " << e->url() ); |
2cc81f1f | 407 | err = errorCon(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 408 | err->url = xstrdup(e->url()); |
62e76326 | 409 | errorAppendEntry(e, err); |
410 | goto error; | |
164f7660 | 411 | } |
62e76326 | 412 | |
9ce5e3e6 | 413 | min_u = urnFindMinRtt(urls, urnState->request->method, NULL); |
414 | qsort(urls, urlcnt, sizeof(*urls), url_entry_sort); | |
3900307b | 415 | e->buffer(); |
032785bf | 416 | mb = new MemBuf; |
2fe7eff9 | 417 | mb->init(); |
418 | mb->Printf( "<TITLE>Select URL for %s</TITLE>\n" | |
419 | "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n" | |
420 | "<H2>Select URL for %s</H2>\n" | |
3900307b | 421 | "<TABLE BORDER=\"0\" WIDTH=\"100%%\">\n", e->url(), e->url()); |
62e76326 | 422 | |
9ce5e3e6 | 423 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 424 | u = &urls[i]; |
bf8fe701 | 425 | debugs(52, 3, "URL {" << u->url << "}"); |
2fe7eff9 | 426 | mb->Printf( |
427 | "<TR><TD><A HREF=\"%s\">%s</A></TD>", u->url, u->url); | |
62e76326 | 428 | |
429 | if (urls[i].rtt > 0) | |
2fe7eff9 | 430 | mb->Printf( |
431 | "<TD align=\"right\">%4d <it>ms</it></TD>", u->rtt); | |
62e76326 | 432 | else |
2fe7eff9 | 433 | mb->Printf("<TD align=\"right\">Unknown</TD>"); |
62e76326 | 434 | |
2fe7eff9 | 435 | mb->Printf( |
436 | "<TD>%s</TD></TR>\n", u->flags.cached ? " [cached]" : " "); | |
cf26e54c | 437 | } |
62e76326 | 438 | |
2fe7eff9 | 439 | mb->Printf( |
440 | "</TABLE>" | |
441 | "<HR noshade size=\"1px\">\n" | |
442 | "<ADDRESS>\n" | |
443 | "Generated by %s@%s\n" | |
444 | "</ADDRESS>\n", | |
445 | full_appname_string, getMyHostname()); | |
06a5ae20 | 446 | rep = new HttpReply; |
447 | rep->setHeaders(version, HTTP_MOVED_TEMPORARILY, NULL, | |
448 | "text/html", mb->contentSize(), 0, squid_curtime); | |
62e76326 | 449 | |
b515fc11 | 450 | if (urnState->flags.force_menu) { |
bf8fe701 | 451 | debugs(51, 3, "urnHandleReply: forcing menu"); |
9ce5e3e6 | 452 | } else if (min_u) { |
a9925b40 | 453 | rep->header.putStr(HDR_LOCATION, min_u->url); |
cb69b4c7 | 454 | } |
62e76326 | 455 | |
032785bf | 456 | httpBodySet(&rep->body, mb); |
457 | /* don't clean or delete mb; rep->body owns it now */ | |
db237875 | 458 | e->replaceHttpReply(rep); |
528b2c61 | 459 | e->complete(); |
62e76326 | 460 | |
9ce5e3e6 | 461 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 462 | safe_free(urls[i].url); |
463 | safe_free(urls[i].host); | |
9ce5e3e6 | 464 | } |
62e76326 | 465 | |
9ce5e3e6 | 466 | safe_free(urls); |
96a5be3d | 467 | /* mb was absorbed in httpBodySet call, so we must not clean it */ |
06d2839d | 468 | storeUnregister(urnState->sc, urlres_e, urnState); |
62e76326 | 469 | |
470 | error: | |
97b5e68f | 471 | urlres_e->unlock(); |
472 | urnState->entry->unlock(); | |
6dd9f4bd | 473 | HTTPMSGUNLOCK(urnState->request); |
474 | HTTPMSGUNLOCK(urnState->urlres_r); | |
e6ccf245 | 475 | delete urnState; |
85491f8d | 476 | } |
477 | ||
9ce5e3e6 | 478 | static url_entry * |
479 | urnParseReply(const char *inbuf, method_t m) | |
85491f8d | 480 | { |
23d92c64 | 481 | char *buf = xstrdup(inbuf); |
482 | char *token; | |
9ce5e3e6 | 483 | char *url; |
484 | char *host; | |
9ce5e3e6 | 485 | int rtt; |
486 | url_entry *list; | |
487 | url_entry *old; | |
488 | int n = 32; | |
489 | int i = 0; | |
bf8fe701 | 490 | debugs(52, 3, "urnParseReply"); |
e6ccf245 | 491 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); |
62e76326 | 492 | |
23d92c64 | 493 | for (token = strtok(buf, crlf); token; token = strtok(NULL, crlf)) { |
bf8fe701 | 494 | debugs(52, 3, "urnParseReply: got '" << token << "'"); |
62e76326 | 495 | |
496 | if (i == n) { | |
497 | old = list; | |
498 | n <<= 2; | |
499 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); | |
500 | xmemcpy(list, old, i * sizeof(*list)); | |
501 | safe_free(old); | |
502 | } | |
503 | ||
504 | url = xstrdup(token); | |
505 | host = urlHostname(url); | |
506 | ||
507 | if (NULL == host) | |
508 | continue; | |
509 | ||
510 | rtt = netdbHostRtt(host); | |
511 | ||
512 | if (0 == rtt) { | |
bf8fe701 | 513 | debugs(52, 3, "urnParseReply: Pinging " << host); |
62e76326 | 514 | netdbPingSite(host); |
515 | } | |
516 | ||
517 | list[i].url = url; | |
518 | list[i].host = xstrdup(host); | |
519 | list[i].rtt = rtt; | |
520 | list[i].flags.cached = storeGetPublic(url, m) ? 1 : 0; | |
521 | i++; | |
85491f8d | 522 | } |
62e76326 | 523 | |
bf8fe701 | 524 | debugs(52, 3, "urnParseReply: Found " << i << " URLs"); |
9ce5e3e6 | 525 | return list; |
85491f8d | 526 | } |