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85491f8d | 1 | |
2 | /* | |
262a0e14 | 3 | * $Id$ |
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. | |
26ac0430 | 24 | * |
85491f8d | 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. | |
26ac0430 | 29 | * |
85491f8d | 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 | ||
582c2af2 | 36 | #include "squid.h" |
aa839030 | 37 | #include "errorpage.h" |
b6b6f466 | 38 | #include "forward.h" |
582c2af2 | 39 | #include "globals.h" |
e87137f1 FC |
40 | #include "HttpReply.h" |
41 | #include "HttpRequest.h" | |
9b5c4a9a | 42 | #include "icmp/net_db.h" |
e87137f1 | 43 | #include "MemBuf.h" |
b6149797 | 44 | #include "mime_header.h" |
582c2af2 | 45 | #include "protos.h" |
e87137f1 FC |
46 | #include "SquidTime.h" |
47 | #include "Store.h" | |
48 | #include "StoreClient.h" | |
b1bd952a | 49 | #include "URL.h" |
5eb529cb | 50 | #include "urn.h" |
85491f8d | 51 | |
add2192d | 52 | #define URN_REQBUF_SZ 4096 |
53 | ||
62e76326 | 54 | class UrnState : public StoreClient |
55 | { | |
56 | ||
e6ccf245 | 57 | public: |
3b13a8fd | 58 | void created (StoreEntry *newEntry); |
06096e82 | 59 | void *operator new (size_t byteCount); |
e6ccf245 | 60 | void operator delete (void *address); |
190154cf | 61 | void start (HttpRequest *, StoreEntry *); |
30abd221 | 62 | char *getHost (String &urlpath); |
190154cf | 63 | void setUriResFromRequest(HttpRequest *); |
64 | bool RequestNeedsMenu(HttpRequest *r); | |
17bc3f22 | 65 | void updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len); |
30abd221 | 66 | void createUriResRequest (String &uri); |
e6ccf245 | 67 | |
68 | virtual ~UrnState(); | |
62e76326 | 69 | |
164f7660 | 70 | StoreEntry *entry; |
06d2839d | 71 | store_client *sc; |
164f7660 | 72 | StoreEntry *urlres_e; |
190154cf | 73 | HttpRequest *request; |
74 | HttpRequest *urlres_r; | |
62e76326 | 75 | |
26ac0430 | 76 | struct { |
3d0ac046 HN |
77 | unsigned int force_menu:1; |
78 | } flags; | |
add2192d | 79 | char reqbuf[URN_REQBUF_SZ]; |
80 | int reqofs; | |
62e76326 | 81 | |
e6ccf245 | 82 | private: |
83 | char *urlres; | |
84 | }; | |
85491f8d | 85 | |
26ac0430 | 86 | typedef struct { |
9ce5e3e6 | 87 | char *url; |
88 | char *host; | |
89 | int rtt; | |
62e76326 | 90 | |
26ac0430 | 91 | struct { |
62e76326 | 92 | int cached; |
2fadd50d HN |
93 | } flags; |
94 | } url_entry; | |
9ce5e3e6 | 95 | |
96 | static STCB urnHandleReply; | |
60745f24 | 97 | static url_entry *urnParseReply(const char *inbuf, const HttpRequestMethod&); |
9ce5e3e6 | 98 | static const char *const crlf = "\r\n"; |
99 | static QS url_entry_sort; | |
100 | ||
e6ccf245 | 101 | CBDATA_TYPE(UrnState); |
102 | void * | |
06096e82 | 103 | UrnState::operator new (size_t byteCount) |
e6ccf245 | 104 | { |
62e76326 | 105 | /* derived classes with different sizes must implement their own new */ |
e6ccf245 | 106 | assert (byteCount == sizeof (UrnState)); |
107 | CBDATA_INIT_TYPE(UrnState); | |
108 | return cbdataAlloc(UrnState); | |
62e76326 | 109 | |
e6ccf245 | 110 | } |
111 | ||
112 | void | |
113 | UrnState::operator delete (void *address) | |
114 | { | |
1f1ae50a | 115 | UrnState * tmp = (UrnState *)address; |
116 | cbdataFree (tmp); | |
e6ccf245 | 117 | } |
118 | ||
119 | UrnState::~UrnState () | |
120 | { | |
121 | safe_free(urlres); | |
122 | } | |
123 | ||
48ebcb22 | 124 | static url_entry * |
60745f24 | 125 | urnFindMinRtt(url_entry * urls, const HttpRequestMethod& m, int *rtt_ret) |
85491f8d | 126 | { |
23d92c64 | 127 | int min_rtt = 0; |
9ce5e3e6 | 128 | url_entry *u = NULL; |
129 | url_entry *min_u = NULL; | |
130 | int i; | |
1caf595b | 131 | int urlcnt = 0; |
bf8fe701 | 132 | debugs(52, 3, "urnFindMinRtt"); |
23d92c64 | 133 | assert(urls != NULL); |
62e76326 | 134 | |
14942edd FC |
135 | for (i = 0; NULL != urls[i].url; ++i) |
136 | ++urlcnt; | |
62e76326 | 137 | |
bf8fe701 | 138 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 139 | |
9ce5e3e6 | 140 | if (1 == urlcnt) { |
bf8fe701 | 141 | debugs(52, 3, "urnFindMinRtt: Only one URL - return it!"); |
62e76326 | 142 | return urls; |
1caf595b | 143 | } |
62e76326 | 144 | |
14942edd | 145 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 146 | u = &urls[i]; |
bf8fe701 | 147 | debugs(52, 3, "urnFindMinRtt: " << u->host << " rtt=" << u->rtt); |
62e76326 | 148 | |
149 | if (u->rtt == 0) | |
150 | continue; | |
151 | ||
152 | if (u->rtt > min_rtt && min_rtt != 0) | |
153 | continue; | |
154 | ||
155 | min_rtt = u->rtt; | |
156 | ||
157 | min_u = u; | |
23d92c64 | 158 | } |
62e76326 | 159 | |
23d92c64 | 160 | if (rtt_ret) |
62e76326 | 161 | *rtt_ret = min_rtt; |
162 | ||
e0236918 | 163 | debugs(52, DBG_IMPORTANT, "urnFindMinRtt: Returning '" << |
26ac0430 AJ |
164 | (min_u ? min_u->url : "NONE") << "' RTT " << |
165 | min_rtt ); | |
62e76326 | 166 | |
9ce5e3e6 | 167 | return min_u; |
85491f8d | 168 | } |
169 | ||
e6ccf245 | 170 | char * |
30abd221 | 171 | UrnState::getHost (String &urlpath) |
85491f8d | 172 | { |
e6ccf245 | 173 | char * result; |
b4f2886c | 174 | size_t p; |
62e76326 | 175 | |
b4f2886c FC |
176 | /** FIXME: this appears to be parsing the URL. *very* badly. */ |
177 | /* a proper encapsulated URI/URL type needs to clear this up. */ | |
2c1fd837 | 178 | if ((p=urlpath.find(':')) != String::npos) { |
b4f2886c | 179 | result=xstrndup(urlpath.rawBuf(),p-1); |
fa040df2 | 180 | } else { |
b4f2886c | 181 | result = xstrndup(urlpath.rawBuf(),urlpath.size()); |
fa040df2 | 182 | } |
e6ccf245 | 183 | return result; |
184 | } | |
185 | ||
186 | bool | |
190154cf | 187 | UrnState::RequestNeedsMenu(HttpRequest *r) |
e6ccf245 | 188 | { |
17bc3f22 FC |
189 | if (r->urlpath.size() < 5) |
190 | return false; | |
191 | //now we're sure it's long enough | |
192 | return strncasecmp(r->urlpath.rawBuf(), "menu.", 5) == 0; | |
e6ccf245 | 193 | } |
194 | ||
195 | void | |
17bc3f22 | 196 | UrnState::updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len) |
e6ccf245 | 197 | { |
17bc3f22 | 198 | char *new_path = xstrndup (newPath, newPath_len); |
62e76326 | 199 | r->urlpath = new_path; |
200 | xfree(new_path); | |
e6ccf245 | 201 | } |
202 | ||
203 | void | |
30abd221 | 204 | UrnState::createUriResRequest (String &uri) |
e6ccf245 | 205 | { |
206 | LOCAL_ARRAY(char, local_urlres, 4096); | |
207 | char *host = getHost (uri); | |
2c1fd837 | 208 | snprintf(local_urlres, 4096, "http://%s/uri-res/N2L?urn:" SQUIDSTRINGPH, |
af6a12ee | 209 | host, SQUIDSTRINGPRINT(uri)); |
e6ccf245 | 210 | safe_free (host); |
211 | safe_free (urlres); | |
212 | urlres = xstrdup (local_urlres); | |
c21ad0f5 | 213 | urlres_r = HttpRequest::CreateFromUrl(urlres); |
e6ccf245 | 214 | } |
215 | ||
216 | void | |
190154cf | 217 | UrnState::setUriResFromRequest(HttpRequest *r) |
e6ccf245 | 218 | { |
219 | if (RequestNeedsMenu(r)) { | |
17bc3f22 | 220 | updateRequestURL(r, r->urlpath.rawBuf() + 5, r->urlpath.size() - 5 ); |
62e76326 | 221 | flags.force_menu = 1; |
e6ccf245 | 222 | } |
62e76326 | 223 | |
e6ccf245 | 224 | createUriResRequest (r->urlpath); |
62e76326 | 225 | |
0adbab7c | 226 | if (urlres_r == NULL) { |
bf8fe701 | 227 | debugs(52, 3, "urnStart: Bad uri-res URL " << urlres); |
913524f0 | 228 | ErrorState *err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, r); |
62e76326 | 229 | err->url = urlres; |
230 | urlres = NULL; | |
231 | errorAppendEntry(entry, err); | |
232 | return; | |
0adbab7c | 233 | } |
62e76326 | 234 | |
6dd9f4bd | 235 | HTTPMSGLOCK(urlres_r); |
a9925b40 | 236 | urlres_r->header.putStr(HDR_ACCEPT, "text/plain"); |
e6ccf245 | 237 | } |
238 | ||
239 | void | |
190154cf | 240 | UrnState::start(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 241 | { |
bf8fe701 | 242 | debugs(52, 3, "urnStart: '" << e->url() << "'" ); |
e6ccf245 | 243 | entry = e; |
6dd9f4bd | 244 | request = HTTPMSGLOCK(r); |
34266cde | 245 | |
3d0ac046 | 246 | entry->lock(); |
e6ccf245 | 247 | setUriResFromRequest(r); |
62e76326 | 248 | |
e6ccf245 | 249 | if (urlres_r == NULL) |
62e76326 | 250 | return; |
251 | ||
3b13a8fd | 252 | StoreEntry::getPublic (this, urlres, METHOD_GET); |
e6ccf245 | 253 | } |
254 | ||
255 | void | |
3b13a8fd | 256 | UrnState::created(StoreEntry *newEntry) |
e6ccf245 | 257 | { |
258 | urlres_e = newEntry; | |
62e76326 | 259 | |
e6ccf245 | 260 | if (urlres_e->isNull()) { |
62e76326 | 261 | urlres_e = storeCreateEntry(urlres, urlres, request_flags(), METHOD_GET); |
262 | sc = storeClientListAdd(urlres_e, this); | |
e83cc785 | 263 | FwdState::fwdStart(Comm::ConnectionPointer(), urlres_e, urlres_r); |
cf26e54c | 264 | } else { |
34266cde | 265 | |
3d0ac046 | 266 | urlres_e->lock(); |
62e76326 | 267 | sc = storeClientListAdd(urlres_e, this); |
85491f8d | 268 | } |
62e76326 | 269 | |
e6ccf245 | 270 | reqofs = 0; |
528b2c61 | 271 | StoreIOBuffer tempBuffer; |
e6ccf245 | 272 | tempBuffer.offset = reqofs; |
c8be6d7b | 273 | tempBuffer.length = URN_REQBUF_SZ; |
e6ccf245 | 274 | tempBuffer.data = reqbuf; |
275 | storeClientCopy(sc, urlres_e, | |
62e76326 | 276 | tempBuffer, |
277 | urnHandleReply, | |
278 | this); | |
e6ccf245 | 279 | } |
280 | ||
281 | void | |
190154cf | 282 | urnStart(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 283 | { |
284 | UrnState *anUrn = new UrnState(); | |
285 | anUrn->start (r, e); | |
85491f8d | 286 | } |
287 | ||
9ce5e3e6 | 288 | static int |
289 | url_entry_sort(const void *A, const void *B) | |
290 | { | |
e6ccf245 | 291 | const url_entry *u1 = (const url_entry *)A; |
292 | const url_entry *u2 = (const url_entry *)B; | |
62e76326 | 293 | |
9ce5e3e6 | 294 | if (u2->rtt == u1->rtt) |
62e76326 | 295 | return 0; |
9ce5e3e6 | 296 | else if (0 == u1->rtt) |
62e76326 | 297 | return 1; |
9ce5e3e6 | 298 | else if (0 == u2->rtt) |
62e76326 | 299 | return -1; |
9ce5e3e6 | 300 | else |
62e76326 | 301 | return u1->rtt - u2->rtt; |
9ce5e3e6 | 302 | } |
303 | ||
bb9edbb2 AJ |
304 | static void |
305 | urnHandleReplyError(UrnState *urnState, StoreEntry *urlres_e) | |
306 | { | |
307 | urlres_e->unlock(); | |
308 | urnState->entry->unlock(); | |
309 | HTTPMSGUNLOCK(urnState->request); | |
310 | HTTPMSGUNLOCK(urnState->urlres_r); | |
311 | delete urnState; | |
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 | |
58c0b17d | 334 | debugs(52, 3, "urnHandleReply: Called with size=" << result.length << "."); |
62e76326 | 335 | |
58c0b17d | 336 | if (EBIT_TEST(urlres_e->flags, ENTRY_ABORTED) || result.length == 0 || result.flags.error) { |
bb9edbb2 AJ |
337 | urnHandleReplyError(urnState, urlres_e); |
338 | return; | |
85491f8d | 339 | } |
62e76326 | 340 | |
add2192d | 341 | /* Update reqofs to point to where in the buffer we'd be */ |
c8be6d7b | 342 | urnState->reqofs += result.length; |
add2192d | 343 | |
344 | /* Handle reqofs being bigger than normal */ | |
345 | if (urnState->reqofs >= URN_REQBUF_SZ) { | |
bb9edbb2 AJ |
346 | urnHandleReplyError(urnState, urlres_e); |
347 | return; | |
add2192d | 348 | } |
62e76326 | 349 | |
add2192d | 350 | /* If we haven't received the entire object (urn), copy more */ |
351 | if (urlres_e->store_status == STORE_PENDING && | |
62e76326 | 352 | urnState->reqofs < URN_REQBUF_SZ) { |
353 | tempBuffer.offset = urnState->reqofs; | |
354 | tempBuffer.length = URN_REQBUF_SZ; | |
355 | tempBuffer.data = urnState->reqbuf + urnState->reqofs; | |
356 | storeClientCopy(urnState->sc, urlres_e, | |
357 | tempBuffer, | |
358 | urnHandleReply, | |
359 | urnState); | |
360 | return; | |
23d92c64 | 361 | } |
62e76326 | 362 | |
23d92c64 | 363 | /* we know its STORE_OK */ |
add2192d | 364 | k = headersEnd(buf, urnState->reqofs); |
62e76326 | 365 | |
2334c194 | 366 | if (0 == k) { |
e0236918 | 367 | debugs(52, DBG_IMPORTANT, "urnHandleReply: didn't find end-of-headers for " << e->url() ); |
bb9edbb2 AJ |
368 | urnHandleReplyError(urnState, urlres_e); |
369 | return; | |
85491f8d | 370 | } |
62e76326 | 371 | |
2334c194 | 372 | s = buf + k; |
528b2c61 | 373 | assert(urlres_e->getReply()); |
06a5ae20 | 374 | rep = new HttpReply; |
59eed7dc | 375 | rep->parseCharBuf(buf, k); |
bf8fe701 | 376 | debugs(52, 3, "reply exists, code=" << rep->sline.status << "."); |
62e76326 | 377 | |
528b2c61 | 378 | if (rep->sline.status != HTTP_OK) { |
bf8fe701 | 379 | debugs(52, 3, "urnHandleReply: failed."); |
913524f0 | 380 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 381 | err->url = xstrdup(e->url()); |
62e76326 | 382 | errorAppendEntry(e, err); |
06a5ae20 | 383 | delete rep; |
bb9edbb2 AJ |
384 | urnHandleReplyError(urnState, urlres_e); |
385 | return; | |
85491f8d | 386 | } |
62e76326 | 387 | |
06a5ae20 | 388 | delete rep; |
62e76326 | 389 | |
b6a2f15e | 390 | while (xisspace(*s)) |
14942edd | 391 | ++s; |
62e76326 | 392 | |
9ce5e3e6 | 393 | urls = urnParseReply(s, urnState->request->method); |
62e76326 | 394 | |
14942edd FC |
395 | for (i = 0; NULL != urls[i].url; ++i) |
396 | ++urlcnt; | |
62e76326 | 397 | |
bf8fe701 | 398 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 399 | |
164f7660 | 400 | if (urls == NULL) { /* unkown URN error */ |
bf8fe701 | 401 | debugs(52, 3, "urnTranslateDone: unknown URN " << e->url() ); |
913524f0 | 402 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 403 | err->url = xstrdup(e->url()); |
62e76326 | 404 | errorAppendEntry(e, err); |
bb9edbb2 AJ |
405 | urnHandleReplyError(urnState, urlres_e); |
406 | return; | |
164f7660 | 407 | } |
62e76326 | 408 | |
9ce5e3e6 | 409 | min_u = urnFindMinRtt(urls, urnState->request->method, NULL); |
410 | qsort(urls, urlcnt, sizeof(*urls), url_entry_sort); | |
3900307b | 411 | e->buffer(); |
032785bf | 412 | mb = new MemBuf; |
2fe7eff9 | 413 | mb->init(); |
414 | mb->Printf( "<TITLE>Select URL for %s</TITLE>\n" | |
415 | "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n" | |
416 | "<H2>Select URL for %s</H2>\n" | |
3900307b | 417 | "<TABLE BORDER=\"0\" WIDTH=\"100%%\">\n", e->url(), e->url()); |
62e76326 | 418 | |
14942edd | 419 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 420 | u = &urls[i]; |
bf8fe701 | 421 | debugs(52, 3, "URL {" << u->url << "}"); |
2fe7eff9 | 422 | mb->Printf( |
423 | "<TR><TD><A HREF=\"%s\">%s</A></TD>", u->url, u->url); | |
62e76326 | 424 | |
425 | if (urls[i].rtt > 0) | |
2fe7eff9 | 426 | mb->Printf( |
427 | "<TD align=\"right\">%4d <it>ms</it></TD>", u->rtt); | |
62e76326 | 428 | else |
2fe7eff9 | 429 | mb->Printf("<TD align=\"right\">Unknown</TD>"); |
62e76326 | 430 | |
2fe7eff9 | 431 | mb->Printf( |
432 | "<TD>%s</TD></TR>\n", u->flags.cached ? " [cached]" : " "); | |
cf26e54c | 433 | } |
62e76326 | 434 | |
2fe7eff9 | 435 | mb->Printf( |
436 | "</TABLE>" | |
437 | "<HR noshade size=\"1px\">\n" | |
438 | "<ADDRESS>\n" | |
439 | "Generated by %s@%s\n" | |
440 | "</ADDRESS>\n", | |
7dbca7a4 | 441 | APP_FULLNAME, getMyHostname()); |
06a5ae20 | 442 | rep = new HttpReply; |
11992b6f | 443 | rep->setHeaders(HTTP_MOVED_TEMPORARILY, NULL, "text/html", mb->contentSize(), 0, squid_curtime); |
62e76326 | 444 | |
b515fc11 | 445 | if (urnState->flags.force_menu) { |
bf8fe701 | 446 | debugs(51, 3, "urnHandleReply: forcing menu"); |
9ce5e3e6 | 447 | } else if (min_u) { |
a9925b40 | 448 | rep->header.putStr(HDR_LOCATION, min_u->url); |
cb69b4c7 | 449 | } |
62e76326 | 450 | |
0521f8be | 451 | rep->body.setMb(mb); |
032785bf | 452 | /* don't clean or delete mb; rep->body owns it now */ |
db237875 | 453 | e->replaceHttpReply(rep); |
528b2c61 | 454 | e->complete(); |
62e76326 | 455 | |
14942edd | 456 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 457 | safe_free(urls[i].url); |
458 | safe_free(urls[i].host); | |
9ce5e3e6 | 459 | } |
62e76326 | 460 | |
9ce5e3e6 | 461 | safe_free(urls); |
96a5be3d | 462 | /* mb was absorbed in httpBodySet call, so we must not clean it */ |
06d2839d | 463 | storeUnregister(urnState->sc, urlres_e, urnState); |
62e76326 | 464 | |
bb9edbb2 | 465 | urnHandleReplyError(urnState, urlres_e); |
85491f8d | 466 | } |
467 | ||
9ce5e3e6 | 468 | static url_entry * |
60745f24 | 469 | urnParseReply(const char *inbuf, const HttpRequestMethod& m) |
85491f8d | 470 | { |
23d92c64 | 471 | char *buf = xstrdup(inbuf); |
472 | char *token; | |
9ce5e3e6 | 473 | char *url; |
474 | char *host; | |
9ce5e3e6 | 475 | url_entry *list; |
476 | url_entry *old; | |
477 | int n = 32; | |
478 | int i = 0; | |
bf8fe701 | 479 | debugs(52, 3, "urnParseReply"); |
e6ccf245 | 480 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); |
62e76326 | 481 | |
23d92c64 | 482 | for (token = strtok(buf, crlf); token; token = strtok(NULL, crlf)) { |
bf8fe701 | 483 | debugs(52, 3, "urnParseReply: got '" << token << "'"); |
62e76326 | 484 | |
485 | if (i == n) { | |
486 | old = list; | |
487 | n <<= 2; | |
488 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); | |
41d00cd3 | 489 | memcpy(list, old, i * sizeof(*list)); |
62e76326 | 490 | safe_free(old); |
491 | } | |
492 | ||
493 | url = xstrdup(token); | |
494 | host = urlHostname(url); | |
495 | ||
496 | if (NULL == host) | |
497 | continue; | |
498 | ||
9b5c4a9a AJ |
499 | #if USE_ICMP |
500 | list[i].rtt = netdbHostRtt(host); | |
62e76326 | 501 | |
9b5c4a9a | 502 | if (0 == list[i].rtt) { |
bf8fe701 | 503 | debugs(52, 3, "urnParseReply: Pinging " << host); |
62e76326 | 504 | netdbPingSite(host); |
505 | } | |
9b5c4a9a AJ |
506 | #else |
507 | list[i].rtt = 0; | |
508 | #endif | |
62e76326 | 509 | |
510 | list[i].url = url; | |
511 | list[i].host = xstrdup(host); | |
5bd484b5 AR |
512 | // TODO: Use storeHas() or lock/unlock entry to avoid creating unlocked |
513 | // ones. | |
62e76326 | 514 | list[i].flags.cached = storeGetPublic(url, m) ? 1 : 0; |
14942edd | 515 | ++i; |
85491f8d | 516 | } |
62e76326 | 517 | |
bf8fe701 | 518 | debugs(52, 3, "urnParseReply: Found " << i << " URLs"); |
9ce5e3e6 | 519 | return list; |
85491f8d | 520 | } |