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Commit | Line | Data |
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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" |
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" |
582c2af2 | 44 | #include "globals.h" |
985c86bc | 45 | #include "SquidTime.h" |
9b5c4a9a | 46 | #include "icmp/net_db.h" |
582c2af2 | 47 | #include "protos.h" |
85491f8d | 48 | |
add2192d | 49 | #define URN_REQBUF_SZ 4096 |
50 | ||
62e76326 | 51 | class UrnState : public StoreClient |
52 | { | |
53 | ||
e6ccf245 | 54 | public: |
3b13a8fd | 55 | void created (StoreEntry *newEntry); |
06096e82 | 56 | void *operator new (size_t byteCount); |
e6ccf245 | 57 | void operator delete (void *address); |
190154cf | 58 | void start (HttpRequest *, StoreEntry *); |
30abd221 | 59 | char *getHost (String &urlpath); |
190154cf | 60 | void setUriResFromRequest(HttpRequest *); |
61 | bool RequestNeedsMenu(HttpRequest *r); | |
17bc3f22 | 62 | void updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len); |
30abd221 | 63 | void createUriResRequest (String &uri); |
e6ccf245 | 64 | |
65 | virtual ~UrnState(); | |
62e76326 | 66 | |
164f7660 | 67 | StoreEntry *entry; |
06d2839d | 68 | store_client *sc; |
164f7660 | 69 | StoreEntry *urlres_e; |
190154cf | 70 | HttpRequest *request; |
71 | HttpRequest *urlres_r; | |
62e76326 | 72 | |
26ac0430 | 73 | struct { |
3d0ac046 HN |
74 | unsigned int force_menu:1; |
75 | } flags; | |
add2192d | 76 | char reqbuf[URN_REQBUF_SZ]; |
77 | int reqofs; | |
62e76326 | 78 | |
e6ccf245 | 79 | private: |
80 | char *urlres; | |
81 | }; | |
85491f8d | 82 | |
26ac0430 | 83 | typedef struct { |
9ce5e3e6 | 84 | char *url; |
85 | char *host; | |
86 | int rtt; | |
62e76326 | 87 | |
26ac0430 | 88 | struct { |
62e76326 | 89 | int cached; |
2fadd50d HN |
90 | } flags; |
91 | } url_entry; | |
9ce5e3e6 | 92 | |
93 | static STCB urnHandleReply; | |
60745f24 | 94 | static url_entry *urnParseReply(const char *inbuf, const HttpRequestMethod&); |
9ce5e3e6 | 95 | static const char *const crlf = "\r\n"; |
96 | static QS url_entry_sort; | |
97 | ||
e6ccf245 | 98 | CBDATA_TYPE(UrnState); |
99 | void * | |
06096e82 | 100 | UrnState::operator new (size_t byteCount) |
e6ccf245 | 101 | { |
62e76326 | 102 | /* derived classes with different sizes must implement their own new */ |
e6ccf245 | 103 | assert (byteCount == sizeof (UrnState)); |
104 | CBDATA_INIT_TYPE(UrnState); | |
105 | return cbdataAlloc(UrnState); | |
62e76326 | 106 | |
e6ccf245 | 107 | } |
108 | ||
109 | void | |
110 | UrnState::operator delete (void *address) | |
111 | { | |
1f1ae50a | 112 | UrnState * tmp = (UrnState *)address; |
113 | cbdataFree (tmp); | |
e6ccf245 | 114 | } |
115 | ||
116 | UrnState::~UrnState () | |
117 | { | |
118 | safe_free(urlres); | |
119 | } | |
120 | ||
48ebcb22 | 121 | static url_entry * |
60745f24 | 122 | urnFindMinRtt(url_entry * urls, const HttpRequestMethod& m, int *rtt_ret) |
85491f8d | 123 | { |
23d92c64 | 124 | int min_rtt = 0; |
9ce5e3e6 | 125 | url_entry *u = NULL; |
126 | url_entry *min_u = NULL; | |
127 | int i; | |
1caf595b | 128 | int urlcnt = 0; |
bf8fe701 | 129 | debugs(52, 3, "urnFindMinRtt"); |
23d92c64 | 130 | assert(urls != NULL); |
62e76326 | 131 | |
14942edd FC |
132 | for (i = 0; NULL != urls[i].url; ++i) |
133 | ++urlcnt; | |
62e76326 | 134 | |
bf8fe701 | 135 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 136 | |
9ce5e3e6 | 137 | if (1 == urlcnt) { |
bf8fe701 | 138 | debugs(52, 3, "urnFindMinRtt: Only one URL - return it!"); |
62e76326 | 139 | return urls; |
1caf595b | 140 | } |
62e76326 | 141 | |
14942edd | 142 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 143 | u = &urls[i]; |
bf8fe701 | 144 | debugs(52, 3, "urnFindMinRtt: " << u->host << " rtt=" << u->rtt); |
62e76326 | 145 | |
146 | if (u->rtt == 0) | |
147 | continue; | |
148 | ||
149 | if (u->rtt > min_rtt && min_rtt != 0) | |
150 | continue; | |
151 | ||
152 | min_rtt = u->rtt; | |
153 | ||
154 | min_u = u; | |
23d92c64 | 155 | } |
62e76326 | 156 | |
23d92c64 | 157 | if (rtt_ret) |
62e76326 | 158 | *rtt_ret = min_rtt; |
159 | ||
e0236918 | 160 | debugs(52, DBG_IMPORTANT, "urnFindMinRtt: Returning '" << |
26ac0430 AJ |
161 | (min_u ? min_u->url : "NONE") << "' RTT " << |
162 | min_rtt ); | |
62e76326 | 163 | |
9ce5e3e6 | 164 | return min_u; |
85491f8d | 165 | } |
166 | ||
e6ccf245 | 167 | char * |
30abd221 | 168 | UrnState::getHost (String &urlpath) |
85491f8d | 169 | { |
e6ccf245 | 170 | char * result; |
b4f2886c | 171 | size_t p; |
62e76326 | 172 | |
b4f2886c FC |
173 | /** FIXME: this appears to be parsing the URL. *very* badly. */ |
174 | /* a proper encapsulated URI/URL type needs to clear this up. */ | |
2c1fd837 | 175 | if ((p=urlpath.find(':')) != String::npos) { |
b4f2886c | 176 | result=xstrndup(urlpath.rawBuf(),p-1); |
fa040df2 | 177 | } else { |
b4f2886c | 178 | result = xstrndup(urlpath.rawBuf(),urlpath.size()); |
fa040df2 | 179 | } |
e6ccf245 | 180 | return result; |
181 | } | |
182 | ||
183 | bool | |
190154cf | 184 | UrnState::RequestNeedsMenu(HttpRequest *r) |
e6ccf245 | 185 | { |
17bc3f22 FC |
186 | if (r->urlpath.size() < 5) |
187 | return false; | |
188 | //now we're sure it's long enough | |
189 | return strncasecmp(r->urlpath.rawBuf(), "menu.", 5) == 0; | |
e6ccf245 | 190 | } |
191 | ||
192 | void | |
17bc3f22 | 193 | UrnState::updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len) |
e6ccf245 | 194 | { |
17bc3f22 | 195 | char *new_path = xstrndup (newPath, newPath_len); |
62e76326 | 196 | r->urlpath = new_path; |
197 | xfree(new_path); | |
e6ccf245 | 198 | } |
199 | ||
200 | void | |
30abd221 | 201 | UrnState::createUriResRequest (String &uri) |
e6ccf245 | 202 | { |
203 | LOCAL_ARRAY(char, local_urlres, 4096); | |
204 | char *host = getHost (uri); | |
2c1fd837 | 205 | snprintf(local_urlres, 4096, "http://%s/uri-res/N2L?urn:" SQUIDSTRINGPH, |
af6a12ee | 206 | host, SQUIDSTRINGPRINT(uri)); |
e6ccf245 | 207 | safe_free (host); |
208 | safe_free (urlres); | |
209 | urlres = xstrdup (local_urlres); | |
c21ad0f5 | 210 | urlres_r = HttpRequest::CreateFromUrl(urlres); |
e6ccf245 | 211 | } |
212 | ||
213 | void | |
190154cf | 214 | UrnState::setUriResFromRequest(HttpRequest *r) |
e6ccf245 | 215 | { |
216 | if (RequestNeedsMenu(r)) { | |
17bc3f22 | 217 | updateRequestURL(r, r->urlpath.rawBuf() + 5, r->urlpath.size() - 5 ); |
62e76326 | 218 | flags.force_menu = 1; |
e6ccf245 | 219 | } |
62e76326 | 220 | |
e6ccf245 | 221 | createUriResRequest (r->urlpath); |
62e76326 | 222 | |
0adbab7c | 223 | if (urlres_r == NULL) { |
bf8fe701 | 224 | debugs(52, 3, "urnStart: Bad uri-res URL " << urlres); |
913524f0 | 225 | ErrorState *err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, r); |
62e76326 | 226 | err->url = urlres; |
227 | urlres = NULL; | |
228 | errorAppendEntry(entry, err); | |
229 | return; | |
0adbab7c | 230 | } |
62e76326 | 231 | |
6dd9f4bd | 232 | HTTPMSGLOCK(urlres_r); |
a9925b40 | 233 | urlres_r->header.putStr(HDR_ACCEPT, "text/plain"); |
e6ccf245 | 234 | } |
235 | ||
236 | void | |
190154cf | 237 | UrnState::start(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 238 | { |
bf8fe701 | 239 | debugs(52, 3, "urnStart: '" << e->url() << "'" ); |
e6ccf245 | 240 | entry = e; |
6dd9f4bd | 241 | request = HTTPMSGLOCK(r); |
34266cde | 242 | |
3d0ac046 | 243 | entry->lock(); |
e6ccf245 | 244 | setUriResFromRequest(r); |
62e76326 | 245 | |
e6ccf245 | 246 | if (urlres_r == NULL) |
62e76326 | 247 | return; |
248 | ||
3b13a8fd | 249 | StoreEntry::getPublic (this, urlres, METHOD_GET); |
e6ccf245 | 250 | } |
251 | ||
252 | void | |
3b13a8fd | 253 | UrnState::created(StoreEntry *newEntry) |
e6ccf245 | 254 | { |
255 | urlres_e = newEntry; | |
62e76326 | 256 | |
e6ccf245 | 257 | if (urlres_e->isNull()) { |
62e76326 | 258 | urlres_e = storeCreateEntry(urlres, urlres, request_flags(), METHOD_GET); |
259 | sc = storeClientListAdd(urlres_e, this); | |
e83cc785 | 260 | FwdState::fwdStart(Comm::ConnectionPointer(), urlres_e, urlres_r); |
cf26e54c | 261 | } else { |
34266cde | 262 | |
3d0ac046 | 263 | urlres_e->lock(); |
62e76326 | 264 | sc = storeClientListAdd(urlres_e, this); |
85491f8d | 265 | } |
62e76326 | 266 | |
e6ccf245 | 267 | reqofs = 0; |
528b2c61 | 268 | StoreIOBuffer tempBuffer; |
e6ccf245 | 269 | tempBuffer.offset = reqofs; |
c8be6d7b | 270 | tempBuffer.length = URN_REQBUF_SZ; |
e6ccf245 | 271 | tempBuffer.data = reqbuf; |
272 | storeClientCopy(sc, urlres_e, | |
62e76326 | 273 | tempBuffer, |
274 | urnHandleReply, | |
275 | this); | |
e6ccf245 | 276 | } |
277 | ||
278 | void | |
190154cf | 279 | urnStart(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 280 | { |
281 | UrnState *anUrn = new UrnState(); | |
282 | anUrn->start (r, e); | |
85491f8d | 283 | } |
284 | ||
9ce5e3e6 | 285 | static int |
286 | url_entry_sort(const void *A, const void *B) | |
287 | { | |
e6ccf245 | 288 | const url_entry *u1 = (const url_entry *)A; |
289 | const url_entry *u2 = (const url_entry *)B; | |
62e76326 | 290 | |
9ce5e3e6 | 291 | if (u2->rtt == u1->rtt) |
62e76326 | 292 | return 0; |
9ce5e3e6 | 293 | else if (0 == u1->rtt) |
62e76326 | 294 | return 1; |
9ce5e3e6 | 295 | else if (0 == u2->rtt) |
62e76326 | 296 | return -1; |
9ce5e3e6 | 297 | else |
62e76326 | 298 | return u1->rtt - u2->rtt; |
9ce5e3e6 | 299 | } |
300 | ||
bb9edbb2 AJ |
301 | static void |
302 | urnHandleReplyError(UrnState *urnState, StoreEntry *urlres_e) | |
303 | { | |
304 | urlres_e->unlock(); | |
305 | urnState->entry->unlock(); | |
306 | HTTPMSGUNLOCK(urnState->request); | |
307 | HTTPMSGUNLOCK(urnState->urlres_r); | |
308 | delete urnState; | |
309 | } | |
310 | ||
528b2c61 | 311 | /* TODO: use the clientStream support for this */ |
85491f8d | 312 | static void |
c8be6d7b | 313 | urnHandleReply(void *data, StoreIOBuffer result) |
85491f8d | 314 | { |
e6ccf245 | 315 | UrnState *urnState = static_cast<UrnState *>(data); |
cf26e54c | 316 | StoreEntry *e = urnState->entry; |
317 | StoreEntry *urlres_e = urnState->urlres_e; | |
23d92c64 | 318 | char *s = NULL; |
2334c194 | 319 | size_t k; |
cb69b4c7 | 320 | HttpReply *rep; |
9ce5e3e6 | 321 | url_entry *urls; |
00141c96 | 322 | url_entry *u; |
9ce5e3e6 | 323 | url_entry *min_u; |
032785bf | 324 | MemBuf *mb = NULL; |
cf26e54c | 325 | ErrorState *err; |
9ce5e3e6 | 326 | int i; |
327 | int urlcnt = 0; | |
add2192d | 328 | char *buf = urnState->reqbuf; |
c8be6d7b | 329 | StoreIOBuffer tempBuffer; |
cf26e54c | 330 | |
58c0b17d | 331 | debugs(52, 3, "urnHandleReply: Called with size=" << result.length << "."); |
62e76326 | 332 | |
58c0b17d | 333 | if (EBIT_TEST(urlres_e->flags, ENTRY_ABORTED) || result.length == 0 || result.flags.error) { |
bb9edbb2 AJ |
334 | urnHandleReplyError(urnState, urlres_e); |
335 | return; | |
85491f8d | 336 | } |
62e76326 | 337 | |
add2192d | 338 | /* Update reqofs to point to where in the buffer we'd be */ |
c8be6d7b | 339 | urnState->reqofs += result.length; |
add2192d | 340 | |
341 | /* Handle reqofs being bigger than normal */ | |
342 | if (urnState->reqofs >= URN_REQBUF_SZ) { | |
bb9edbb2 AJ |
343 | urnHandleReplyError(urnState, urlres_e); |
344 | return; | |
add2192d | 345 | } |
62e76326 | 346 | |
add2192d | 347 | /* If we haven't received the entire object (urn), copy more */ |
348 | if (urlres_e->store_status == STORE_PENDING && | |
62e76326 | 349 | urnState->reqofs < URN_REQBUF_SZ) { |
350 | tempBuffer.offset = urnState->reqofs; | |
351 | tempBuffer.length = URN_REQBUF_SZ; | |
352 | tempBuffer.data = urnState->reqbuf + urnState->reqofs; | |
353 | storeClientCopy(urnState->sc, urlres_e, | |
354 | tempBuffer, | |
355 | urnHandleReply, | |
356 | urnState); | |
357 | return; | |
23d92c64 | 358 | } |
62e76326 | 359 | |
23d92c64 | 360 | /* we know its STORE_OK */ |
add2192d | 361 | k = headersEnd(buf, urnState->reqofs); |
62e76326 | 362 | |
2334c194 | 363 | if (0 == k) { |
e0236918 | 364 | debugs(52, DBG_IMPORTANT, "urnHandleReply: didn't find end-of-headers for " << e->url() ); |
bb9edbb2 AJ |
365 | urnHandleReplyError(urnState, urlres_e); |
366 | return; | |
85491f8d | 367 | } |
62e76326 | 368 | |
2334c194 | 369 | s = buf + k; |
528b2c61 | 370 | assert(urlres_e->getReply()); |
06a5ae20 | 371 | rep = new HttpReply; |
59eed7dc | 372 | rep->parseCharBuf(buf, k); |
bf8fe701 | 373 | debugs(52, 3, "reply exists, code=" << rep->sline.status << "."); |
62e76326 | 374 | |
528b2c61 | 375 | if (rep->sline.status != HTTP_OK) { |
bf8fe701 | 376 | debugs(52, 3, "urnHandleReply: failed."); |
913524f0 | 377 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 378 | err->url = xstrdup(e->url()); |
62e76326 | 379 | errorAppendEntry(e, err); |
06a5ae20 | 380 | delete rep; |
bb9edbb2 AJ |
381 | urnHandleReplyError(urnState, urlres_e); |
382 | return; | |
85491f8d | 383 | } |
62e76326 | 384 | |
06a5ae20 | 385 | delete rep; |
62e76326 | 386 | |
b6a2f15e | 387 | while (xisspace(*s)) |
14942edd | 388 | ++s; |
62e76326 | 389 | |
9ce5e3e6 | 390 | urls = urnParseReply(s, urnState->request->method); |
62e76326 | 391 | |
14942edd FC |
392 | for (i = 0; NULL != urls[i].url; ++i) |
393 | ++urlcnt; | |
62e76326 | 394 | |
bf8fe701 | 395 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 396 | |
164f7660 | 397 | if (urls == NULL) { /* unkown URN error */ |
bf8fe701 | 398 | debugs(52, 3, "urnTranslateDone: unknown URN " << e->url() ); |
913524f0 | 399 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 400 | err->url = xstrdup(e->url()); |
62e76326 | 401 | errorAppendEntry(e, err); |
bb9edbb2 AJ |
402 | urnHandleReplyError(urnState, urlres_e); |
403 | return; | |
164f7660 | 404 | } |
62e76326 | 405 | |
9ce5e3e6 | 406 | min_u = urnFindMinRtt(urls, urnState->request->method, NULL); |
407 | qsort(urls, urlcnt, sizeof(*urls), url_entry_sort); | |
3900307b | 408 | e->buffer(); |
032785bf | 409 | mb = new MemBuf; |
2fe7eff9 | 410 | mb->init(); |
411 | mb->Printf( "<TITLE>Select URL for %s</TITLE>\n" | |
412 | "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n" | |
413 | "<H2>Select URL for %s</H2>\n" | |
3900307b | 414 | "<TABLE BORDER=\"0\" WIDTH=\"100%%\">\n", e->url(), e->url()); |
62e76326 | 415 | |
14942edd | 416 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 417 | u = &urls[i]; |
bf8fe701 | 418 | debugs(52, 3, "URL {" << u->url << "}"); |
2fe7eff9 | 419 | mb->Printf( |
420 | "<TR><TD><A HREF=\"%s\">%s</A></TD>", u->url, u->url); | |
62e76326 | 421 | |
422 | if (urls[i].rtt > 0) | |
2fe7eff9 | 423 | mb->Printf( |
424 | "<TD align=\"right\">%4d <it>ms</it></TD>", u->rtt); | |
62e76326 | 425 | else |
2fe7eff9 | 426 | mb->Printf("<TD align=\"right\">Unknown</TD>"); |
62e76326 | 427 | |
2fe7eff9 | 428 | mb->Printf( |
429 | "<TD>%s</TD></TR>\n", u->flags.cached ? " [cached]" : " "); | |
cf26e54c | 430 | } |
62e76326 | 431 | |
2fe7eff9 | 432 | mb->Printf( |
433 | "</TABLE>" | |
434 | "<HR noshade size=\"1px\">\n" | |
435 | "<ADDRESS>\n" | |
436 | "Generated by %s@%s\n" | |
437 | "</ADDRESS>\n", | |
7dbca7a4 | 438 | APP_FULLNAME, getMyHostname()); |
06a5ae20 | 439 | rep = new HttpReply; |
11992b6f | 440 | rep->setHeaders(HTTP_MOVED_TEMPORARILY, NULL, "text/html", mb->contentSize(), 0, squid_curtime); |
62e76326 | 441 | |
b515fc11 | 442 | if (urnState->flags.force_menu) { |
bf8fe701 | 443 | debugs(51, 3, "urnHandleReply: forcing menu"); |
9ce5e3e6 | 444 | } else if (min_u) { |
a9925b40 | 445 | rep->header.putStr(HDR_LOCATION, min_u->url); |
cb69b4c7 | 446 | } |
62e76326 | 447 | |
0521f8be | 448 | rep->body.setMb(mb); |
032785bf | 449 | /* don't clean or delete mb; rep->body owns it now */ |
db237875 | 450 | e->replaceHttpReply(rep); |
528b2c61 | 451 | e->complete(); |
62e76326 | 452 | |
14942edd | 453 | for (i = 0; i < urlcnt; ++i) { |
62e76326 | 454 | safe_free(urls[i].url); |
455 | safe_free(urls[i].host); | |
9ce5e3e6 | 456 | } |
62e76326 | 457 | |
9ce5e3e6 | 458 | safe_free(urls); |
96a5be3d | 459 | /* mb was absorbed in httpBodySet call, so we must not clean it */ |
06d2839d | 460 | storeUnregister(urnState->sc, urlres_e, urnState); |
62e76326 | 461 | |
bb9edbb2 | 462 | urnHandleReplyError(urnState, urlres_e); |
85491f8d | 463 | } |
464 | ||
9ce5e3e6 | 465 | static url_entry * |
60745f24 | 466 | urnParseReply(const char *inbuf, const HttpRequestMethod& m) |
85491f8d | 467 | { |
23d92c64 | 468 | char *buf = xstrdup(inbuf); |
469 | char *token; | |
9ce5e3e6 | 470 | char *url; |
471 | char *host; | |
9ce5e3e6 | 472 | url_entry *list; |
473 | url_entry *old; | |
474 | int n = 32; | |
475 | int i = 0; | |
bf8fe701 | 476 | debugs(52, 3, "urnParseReply"); |
e6ccf245 | 477 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); |
62e76326 | 478 | |
23d92c64 | 479 | for (token = strtok(buf, crlf); token; token = strtok(NULL, crlf)) { |
bf8fe701 | 480 | debugs(52, 3, "urnParseReply: got '" << token << "'"); |
62e76326 | 481 | |
482 | if (i == n) { | |
483 | old = list; | |
484 | n <<= 2; | |
485 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); | |
41d00cd3 | 486 | memcpy(list, old, i * sizeof(*list)); |
62e76326 | 487 | safe_free(old); |
488 | } | |
489 | ||
490 | url = xstrdup(token); | |
491 | host = urlHostname(url); | |
492 | ||
493 | if (NULL == host) | |
494 | continue; | |
495 | ||
9b5c4a9a AJ |
496 | #if USE_ICMP |
497 | list[i].rtt = netdbHostRtt(host); | |
62e76326 | 498 | |
9b5c4a9a | 499 | if (0 == list[i].rtt) { |
bf8fe701 | 500 | debugs(52, 3, "urnParseReply: Pinging " << host); |
62e76326 | 501 | netdbPingSite(host); |
502 | } | |
9b5c4a9a AJ |
503 | #else |
504 | list[i].rtt = 0; | |
505 | #endif | |
62e76326 | 506 | |
507 | list[i].url = url; | |
508 | list[i].host = xstrdup(host); | |
5bd484b5 AR |
509 | // TODO: Use storeHas() or lock/unlock entry to avoid creating unlocked |
510 | // ones. | |
62e76326 | 511 | list[i].flags.cached = storeGetPublic(url, m) ? 1 : 0; |
14942edd | 512 | ++i; |
85491f8d | 513 | } |
62e76326 | 514 | |
bf8fe701 | 515 | debugs(52, 3, "urnParseReply: Found " << i << " URLs"); |
9ce5e3e6 | 516 | return list; |
85491f8d | 517 | } |