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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 | ||
f7f3304a | 36 | #include "squid-old.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" |
9b5c4a9a | 45 | #include "icmp/net_db.h" |
85491f8d | 46 | |
add2192d | 47 | #define URN_REQBUF_SZ 4096 |
48 | ||
62e76326 | 49 | class UrnState : public StoreClient |
50 | { | |
51 | ||
e6ccf245 | 52 | public: |
3b13a8fd | 53 | void created (StoreEntry *newEntry); |
06096e82 | 54 | void *operator new (size_t byteCount); |
e6ccf245 | 55 | void operator delete (void *address); |
190154cf | 56 | void start (HttpRequest *, StoreEntry *); |
30abd221 | 57 | char *getHost (String &urlpath); |
190154cf | 58 | void setUriResFromRequest(HttpRequest *); |
59 | bool RequestNeedsMenu(HttpRequest *r); | |
17bc3f22 | 60 | void updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len); |
30abd221 | 61 | void createUriResRequest (String &uri); |
e6ccf245 | 62 | |
63 | virtual ~UrnState(); | |
62e76326 | 64 | |
65 | ||
164f7660 | 66 | StoreEntry *entry; |
06d2839d | 67 | store_client *sc; |
164f7660 | 68 | StoreEntry *urlres_e; |
190154cf | 69 | HttpRequest *request; |
70 | HttpRequest *urlres_r; | |
62e76326 | 71 | |
26ac0430 | 72 | struct { |
3d0ac046 HN |
73 | unsigned int force_menu:1; |
74 | } flags; | |
add2192d | 75 | char reqbuf[URN_REQBUF_SZ]; |
76 | int reqofs; | |
62e76326 | 77 | |
e6ccf245 | 78 | private: |
79 | char *urlres; | |
80 | }; | |
85491f8d | 81 | |
26ac0430 | 82 | typedef struct { |
9ce5e3e6 | 83 | char *url; |
84 | char *host; | |
85 | int rtt; | |
62e76326 | 86 | |
26ac0430 | 87 | struct { |
62e76326 | 88 | int cached; |
2fadd50d HN |
89 | } flags; |
90 | } url_entry; | |
9ce5e3e6 | 91 | |
92 | static STCB urnHandleReply; | |
60745f24 | 93 | static url_entry *urnParseReply(const char *inbuf, const HttpRequestMethod&); |
9ce5e3e6 | 94 | static const char *const crlf = "\r\n"; |
95 | static QS url_entry_sort; | |
96 | ||
e6ccf245 | 97 | CBDATA_TYPE(UrnState); |
98 | void * | |
06096e82 | 99 | UrnState::operator new (size_t byteCount) |
e6ccf245 | 100 | { |
62e76326 | 101 | /* derived classes with different sizes must implement their own new */ |
e6ccf245 | 102 | assert (byteCount == sizeof (UrnState)); |
103 | CBDATA_INIT_TYPE(UrnState); | |
104 | return cbdataAlloc(UrnState); | |
62e76326 | 105 | |
e6ccf245 | 106 | } |
107 | ||
108 | void | |
109 | UrnState::operator delete (void *address) | |
110 | { | |
1f1ae50a | 111 | UrnState * tmp = (UrnState *)address; |
112 | cbdataFree (tmp); | |
e6ccf245 | 113 | } |
114 | ||
115 | UrnState::~UrnState () | |
116 | { | |
117 | safe_free(urlres); | |
118 | } | |
119 | ||
48ebcb22 | 120 | static url_entry * |
60745f24 | 121 | urnFindMinRtt(url_entry * urls, const HttpRequestMethod& m, int *rtt_ret) |
85491f8d | 122 | { |
23d92c64 | 123 | int min_rtt = 0; |
9ce5e3e6 | 124 | url_entry *u = NULL; |
125 | url_entry *min_u = NULL; | |
126 | int i; | |
1caf595b | 127 | int urlcnt = 0; |
bf8fe701 | 128 | debugs(52, 3, "urnFindMinRtt"); |
23d92c64 | 129 | assert(urls != NULL); |
62e76326 | 130 | |
00141c96 | 131 | for (i = 0; NULL != urls[i].url; i++) |
62e76326 | 132 | urlcnt++; |
133 | ||
bf8fe701 | 134 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 135 | |
9ce5e3e6 | 136 | if (1 == urlcnt) { |
bf8fe701 | 137 | debugs(52, 3, "urnFindMinRtt: Only one URL - return it!"); |
62e76326 | 138 | return urls; |
1caf595b | 139 | } |
62e76326 | 140 | |
00141c96 | 141 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 142 | u = &urls[i]; |
bf8fe701 | 143 | debugs(52, 3, "urnFindMinRtt: " << u->host << " rtt=" << u->rtt); |
62e76326 | 144 | |
145 | if (u->rtt == 0) | |
146 | continue; | |
147 | ||
148 | if (u->rtt > min_rtt && min_rtt != 0) | |
149 | continue; | |
150 | ||
151 | min_rtt = u->rtt; | |
152 | ||
153 | min_u = u; | |
23d92c64 | 154 | } |
62e76326 | 155 | |
23d92c64 | 156 | if (rtt_ret) |
62e76326 | 157 | *rtt_ret = min_rtt; |
158 | ||
bf8fe701 | 159 | debugs(52, 1, "urnFindMinRtt: Returning '" << |
26ac0430 AJ |
160 | (min_u ? min_u->url : "NONE") << "' RTT " << |
161 | min_rtt ); | |
62e76326 | 162 | |
9ce5e3e6 | 163 | return min_u; |
85491f8d | 164 | } |
165 | ||
e6ccf245 | 166 | char * |
30abd221 | 167 | UrnState::getHost (String &urlpath) |
85491f8d | 168 | { |
e6ccf245 | 169 | char * result; |
b4f2886c | 170 | size_t p; |
62e76326 | 171 | |
b4f2886c FC |
172 | /** FIXME: this appears to be parsing the URL. *very* badly. */ |
173 | /* a proper encapsulated URI/URL type needs to clear this up. */ | |
2c1fd837 | 174 | if ((p=urlpath.find(':')) != String::npos) { |
b4f2886c | 175 | result=xstrndup(urlpath.rawBuf(),p-1); |
fa040df2 | 176 | } else { |
b4f2886c | 177 | result = xstrndup(urlpath.rawBuf(),urlpath.size()); |
fa040df2 | 178 | } |
e6ccf245 | 179 | return result; |
180 | } | |
181 | ||
182 | bool | |
190154cf | 183 | UrnState::RequestNeedsMenu(HttpRequest *r) |
e6ccf245 | 184 | { |
17bc3f22 FC |
185 | if (r->urlpath.size() < 5) |
186 | return false; | |
187 | //now we're sure it's long enough | |
188 | return strncasecmp(r->urlpath.rawBuf(), "menu.", 5) == 0; | |
e6ccf245 | 189 | } |
190 | ||
191 | void | |
17bc3f22 | 192 | UrnState::updateRequestURL(HttpRequest *r, char const *newPath, const size_t newPath_len) |
e6ccf245 | 193 | { |
17bc3f22 | 194 | char *new_path = xstrndup (newPath, newPath_len); |
62e76326 | 195 | r->urlpath = new_path; |
196 | xfree(new_path); | |
e6ccf245 | 197 | } |
198 | ||
199 | void | |
30abd221 | 200 | UrnState::createUriResRequest (String &uri) |
e6ccf245 | 201 | { |
202 | LOCAL_ARRAY(char, local_urlres, 4096); | |
203 | char *host = getHost (uri); | |
2c1fd837 | 204 | snprintf(local_urlres, 4096, "http://%s/uri-res/N2L?urn:" SQUIDSTRINGPH, |
af6a12ee | 205 | host, SQUIDSTRINGPRINT(uri)); |
e6ccf245 | 206 | safe_free (host); |
207 | safe_free (urlres); | |
208 | urlres = xstrdup (local_urlres); | |
c21ad0f5 | 209 | urlres_r = HttpRequest::CreateFromUrl(urlres); |
e6ccf245 | 210 | } |
211 | ||
212 | void | |
190154cf | 213 | UrnState::setUriResFromRequest(HttpRequest *r) |
e6ccf245 | 214 | { |
215 | if (RequestNeedsMenu(r)) { | |
17bc3f22 | 216 | updateRequestURL(r, r->urlpath.rawBuf() + 5, r->urlpath.size() - 5 ); |
62e76326 | 217 | flags.force_menu = 1; |
e6ccf245 | 218 | } |
62e76326 | 219 | |
e6ccf245 | 220 | createUriResRequest (r->urlpath); |
62e76326 | 221 | |
0adbab7c | 222 | if (urlres_r == NULL) { |
bf8fe701 | 223 | debugs(52, 3, "urnStart: Bad uri-res URL " << urlres); |
913524f0 | 224 | ErrorState *err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, r); |
62e76326 | 225 | err->url = urlres; |
226 | urlres = NULL; | |
227 | errorAppendEntry(entry, err); | |
228 | return; | |
0adbab7c | 229 | } |
62e76326 | 230 | |
6dd9f4bd | 231 | HTTPMSGLOCK(urlres_r); |
a9925b40 | 232 | urlres_r->header.putStr(HDR_ACCEPT, "text/plain"); |
e6ccf245 | 233 | } |
234 | ||
235 | void | |
190154cf | 236 | UrnState::start(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 237 | { |
bf8fe701 | 238 | debugs(52, 3, "urnStart: '" << e->url() << "'" ); |
e6ccf245 | 239 | entry = e; |
6dd9f4bd | 240 | request = HTTPMSGLOCK(r); |
34266cde | 241 | |
3d0ac046 | 242 | entry->lock(); |
e6ccf245 | 243 | setUriResFromRequest(r); |
62e76326 | 244 | |
e6ccf245 | 245 | if (urlres_r == NULL) |
62e76326 | 246 | return; |
247 | ||
3b13a8fd | 248 | StoreEntry::getPublic (this, urlres, METHOD_GET); |
e6ccf245 | 249 | } |
250 | ||
251 | void | |
3b13a8fd | 252 | UrnState::created(StoreEntry *newEntry) |
e6ccf245 | 253 | { |
254 | urlres_e = newEntry; | |
62e76326 | 255 | |
e6ccf245 | 256 | if (urlres_e->isNull()) { |
62e76326 | 257 | urlres_e = storeCreateEntry(urlres, urlres, request_flags(), METHOD_GET); |
258 | sc = storeClientListAdd(urlres_e, this); | |
e83cc785 | 259 | FwdState::fwdStart(Comm::ConnectionPointer(), urlres_e, urlres_r); |
cf26e54c | 260 | } else { |
34266cde | 261 | |
3d0ac046 | 262 | urlres_e->lock(); |
62e76326 | 263 | sc = storeClientListAdd(urlres_e, this); |
85491f8d | 264 | } |
62e76326 | 265 | |
e6ccf245 | 266 | reqofs = 0; |
528b2c61 | 267 | StoreIOBuffer tempBuffer; |
e6ccf245 | 268 | tempBuffer.offset = reqofs; |
c8be6d7b | 269 | tempBuffer.length = URN_REQBUF_SZ; |
e6ccf245 | 270 | tempBuffer.data = reqbuf; |
271 | storeClientCopy(sc, urlres_e, | |
62e76326 | 272 | tempBuffer, |
273 | urnHandleReply, | |
274 | this); | |
e6ccf245 | 275 | } |
276 | ||
277 | void | |
190154cf | 278 | urnStart(HttpRequest * r, StoreEntry * e) |
e6ccf245 | 279 | { |
280 | UrnState *anUrn = new UrnState(); | |
281 | anUrn->start (r, e); | |
85491f8d | 282 | } |
283 | ||
9ce5e3e6 | 284 | static int |
285 | url_entry_sort(const void *A, const void *B) | |
286 | { | |
e6ccf245 | 287 | const url_entry *u1 = (const url_entry *)A; |
288 | const url_entry *u2 = (const url_entry *)B; | |
62e76326 | 289 | |
9ce5e3e6 | 290 | if (u2->rtt == u1->rtt) |
62e76326 | 291 | return 0; |
9ce5e3e6 | 292 | else if (0 == u1->rtt) |
62e76326 | 293 | return 1; |
9ce5e3e6 | 294 | else if (0 == u2->rtt) |
62e76326 | 295 | return -1; |
9ce5e3e6 | 296 | else |
62e76326 | 297 | return u1->rtt - u2->rtt; |
9ce5e3e6 | 298 | } |
299 | ||
bb9edbb2 AJ |
300 | static void |
301 | urnHandleReplyError(UrnState *urnState, StoreEntry *urlres_e) | |
302 | { | |
303 | urlres_e->unlock(); | |
304 | urnState->entry->unlock(); | |
305 | HTTPMSGUNLOCK(urnState->request); | |
306 | HTTPMSGUNLOCK(urnState->urlres_r); | |
307 | delete urnState; | |
308 | } | |
309 | ||
528b2c61 | 310 | /* TODO: use the clientStream support for this */ |
85491f8d | 311 | static void |
c8be6d7b | 312 | urnHandleReply(void *data, StoreIOBuffer result) |
85491f8d | 313 | { |
e6ccf245 | 314 | UrnState *urnState = static_cast<UrnState *>(data); |
cf26e54c | 315 | StoreEntry *e = urnState->entry; |
316 | StoreEntry *urlres_e = urnState->urlres_e; | |
23d92c64 | 317 | char *s = NULL; |
2334c194 | 318 | size_t k; |
cb69b4c7 | 319 | HttpReply *rep; |
9ce5e3e6 | 320 | url_entry *urls; |
00141c96 | 321 | url_entry *u; |
9ce5e3e6 | 322 | url_entry *min_u; |
032785bf | 323 | MemBuf *mb = NULL; |
cf26e54c | 324 | ErrorState *err; |
9ce5e3e6 | 325 | int i; |
326 | int urlcnt = 0; | |
add2192d | 327 | char *buf = urnState->reqbuf; |
c8be6d7b | 328 | StoreIOBuffer tempBuffer; |
cf26e54c | 329 | |
58c0b17d | 330 | debugs(52, 3, "urnHandleReply: Called with size=" << result.length << "."); |
62e76326 | 331 | |
58c0b17d | 332 | if (EBIT_TEST(urlres_e->flags, ENTRY_ABORTED) || result.length == 0 || result.flags.error) { |
bb9edbb2 AJ |
333 | urnHandleReplyError(urnState, urlres_e); |
334 | return; | |
85491f8d | 335 | } |
62e76326 | 336 | |
add2192d | 337 | /* Update reqofs to point to where in the buffer we'd be */ |
c8be6d7b | 338 | urnState->reqofs += result.length; |
add2192d | 339 | |
340 | /* Handle reqofs being bigger than normal */ | |
341 | if (urnState->reqofs >= URN_REQBUF_SZ) { | |
bb9edbb2 AJ |
342 | urnHandleReplyError(urnState, urlres_e); |
343 | return; | |
add2192d | 344 | } |
62e76326 | 345 | |
add2192d | 346 | /* If we haven't received the entire object (urn), copy more */ |
347 | if (urlres_e->store_status == STORE_PENDING && | |
62e76326 | 348 | urnState->reqofs < URN_REQBUF_SZ) { |
349 | tempBuffer.offset = urnState->reqofs; | |
350 | tempBuffer.length = URN_REQBUF_SZ; | |
351 | tempBuffer.data = urnState->reqbuf + urnState->reqofs; | |
352 | storeClientCopy(urnState->sc, urlres_e, | |
353 | tempBuffer, | |
354 | urnHandleReply, | |
355 | urnState); | |
356 | return; | |
23d92c64 | 357 | } |
62e76326 | 358 | |
23d92c64 | 359 | /* we know its STORE_OK */ |
add2192d | 360 | k = headersEnd(buf, urnState->reqofs); |
62e76326 | 361 | |
2334c194 | 362 | if (0 == k) { |
bf8fe701 | 363 | debugs(52, 1, "urnHandleReply: didn't find end-of-headers for " << e->url() ); |
bb9edbb2 AJ |
364 | urnHandleReplyError(urnState, urlres_e); |
365 | return; | |
85491f8d | 366 | } |
62e76326 | 367 | |
2334c194 | 368 | s = buf + k; |
528b2c61 | 369 | assert(urlres_e->getReply()); |
06a5ae20 | 370 | rep = new HttpReply; |
59eed7dc | 371 | rep->parseCharBuf(buf, k); |
bf8fe701 | 372 | debugs(52, 3, "reply exists, code=" << rep->sline.status << "."); |
62e76326 | 373 | |
528b2c61 | 374 | if (rep->sline.status != HTTP_OK) { |
bf8fe701 | 375 | debugs(52, 3, "urnHandleReply: failed."); |
913524f0 | 376 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 377 | err->url = xstrdup(e->url()); |
62e76326 | 378 | errorAppendEntry(e, err); |
06a5ae20 | 379 | delete rep; |
bb9edbb2 AJ |
380 | urnHandleReplyError(urnState, urlres_e); |
381 | return; | |
85491f8d | 382 | } |
62e76326 | 383 | |
06a5ae20 | 384 | delete rep; |
62e76326 | 385 | |
b6a2f15e | 386 | while (xisspace(*s)) |
62e76326 | 387 | s++; |
388 | ||
9ce5e3e6 | 389 | urls = urnParseReply(s, urnState->request->method); |
62e76326 | 390 | |
00141c96 | 391 | for (i = 0; NULL != urls[i].url; i++) |
62e76326 | 392 | urlcnt++; |
393 | ||
bf8fe701 | 394 | debugs(53, 3, "urnFindMinRtt: Counted " << i << " URLs"); |
62e76326 | 395 | |
164f7660 | 396 | if (urls == NULL) { /* unkown URN error */ |
bf8fe701 | 397 | debugs(52, 3, "urnTranslateDone: unknown URN " << e->url() ); |
913524f0 | 398 | err = new ErrorState(ERR_URN_RESOLVE, HTTP_NOT_FOUND, urnState->request); |
3900307b | 399 | err->url = xstrdup(e->url()); |
62e76326 | 400 | errorAppendEntry(e, err); |
bb9edbb2 AJ |
401 | urnHandleReplyError(urnState, urlres_e); |
402 | return; | |
164f7660 | 403 | } |
62e76326 | 404 | |
9ce5e3e6 | 405 | min_u = urnFindMinRtt(urls, urnState->request->method, NULL); |
406 | qsort(urls, urlcnt, sizeof(*urls), url_entry_sort); | |
3900307b | 407 | e->buffer(); |
032785bf | 408 | mb = new MemBuf; |
2fe7eff9 | 409 | mb->init(); |
410 | mb->Printf( "<TITLE>Select URL for %s</TITLE>\n" | |
411 | "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n" | |
412 | "<H2>Select URL for %s</H2>\n" | |
3900307b | 413 | "<TABLE BORDER=\"0\" WIDTH=\"100%%\">\n", e->url(), e->url()); |
62e76326 | 414 | |
9ce5e3e6 | 415 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 416 | u = &urls[i]; |
bf8fe701 | 417 | debugs(52, 3, "URL {" << u->url << "}"); |
2fe7eff9 | 418 | mb->Printf( |
419 | "<TR><TD><A HREF=\"%s\">%s</A></TD>", u->url, u->url); | |
62e76326 | 420 | |
421 | if (urls[i].rtt > 0) | |
2fe7eff9 | 422 | mb->Printf( |
423 | "<TD align=\"right\">%4d <it>ms</it></TD>", u->rtt); | |
62e76326 | 424 | else |
2fe7eff9 | 425 | mb->Printf("<TD align=\"right\">Unknown</TD>"); |
62e76326 | 426 | |
2fe7eff9 | 427 | mb->Printf( |
428 | "<TD>%s</TD></TR>\n", u->flags.cached ? " [cached]" : " "); | |
cf26e54c | 429 | } |
62e76326 | 430 | |
2fe7eff9 | 431 | mb->Printf( |
432 | "</TABLE>" | |
433 | "<HR noshade size=\"1px\">\n" | |
434 | "<ADDRESS>\n" | |
435 | "Generated by %s@%s\n" | |
436 | "</ADDRESS>\n", | |
7dbca7a4 | 437 | APP_FULLNAME, getMyHostname()); |
06a5ae20 | 438 | rep = new HttpReply; |
11992b6f | 439 | rep->setHeaders(HTTP_MOVED_TEMPORARILY, NULL, "text/html", mb->contentSize(), 0, squid_curtime); |
62e76326 | 440 | |
b515fc11 | 441 | if (urnState->flags.force_menu) { |
bf8fe701 | 442 | debugs(51, 3, "urnHandleReply: forcing menu"); |
9ce5e3e6 | 443 | } else if (min_u) { |
a9925b40 | 444 | rep->header.putStr(HDR_LOCATION, min_u->url); |
cb69b4c7 | 445 | } |
62e76326 | 446 | |
0521f8be | 447 | rep->body.setMb(mb); |
032785bf | 448 | /* don't clean or delete mb; rep->body owns it now */ |
db237875 | 449 | e->replaceHttpReply(rep); |
528b2c61 | 450 | e->complete(); |
62e76326 | 451 | |
9ce5e3e6 | 452 | for (i = 0; i < urlcnt; i++) { |
62e76326 | 453 | safe_free(urls[i].url); |
454 | safe_free(urls[i].host); | |
9ce5e3e6 | 455 | } |
62e76326 | 456 | |
9ce5e3e6 | 457 | safe_free(urls); |
96a5be3d | 458 | /* mb was absorbed in httpBodySet call, so we must not clean it */ |
06d2839d | 459 | storeUnregister(urnState->sc, urlres_e, urnState); |
62e76326 | 460 | |
bb9edbb2 | 461 | urnHandleReplyError(urnState, urlres_e); |
85491f8d | 462 | } |
463 | ||
9ce5e3e6 | 464 | static url_entry * |
60745f24 | 465 | urnParseReply(const char *inbuf, const HttpRequestMethod& m) |
85491f8d | 466 | { |
23d92c64 | 467 | char *buf = xstrdup(inbuf); |
468 | char *token; | |
9ce5e3e6 | 469 | char *url; |
470 | char *host; | |
9ce5e3e6 | 471 | url_entry *list; |
472 | url_entry *old; | |
473 | int n = 32; | |
474 | int i = 0; | |
bf8fe701 | 475 | debugs(52, 3, "urnParseReply"); |
e6ccf245 | 476 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); |
62e76326 | 477 | |
23d92c64 | 478 | for (token = strtok(buf, crlf); token; token = strtok(NULL, crlf)) { |
bf8fe701 | 479 | debugs(52, 3, "urnParseReply: got '" << token << "'"); |
62e76326 | 480 | |
481 | if (i == n) { | |
482 | old = list; | |
483 | n <<= 2; | |
484 | list = (url_entry *)xcalloc(n + 1, sizeof(*list)); | |
41d00cd3 | 485 | memcpy(list, old, i * sizeof(*list)); |
62e76326 | 486 | safe_free(old); |
487 | } | |
488 | ||
489 | url = xstrdup(token); | |
490 | host = urlHostname(url); | |
491 | ||
492 | if (NULL == host) | |
493 | continue; | |
494 | ||
9b5c4a9a AJ |
495 | #if USE_ICMP |
496 | list[i].rtt = netdbHostRtt(host); | |
62e76326 | 497 | |
9b5c4a9a | 498 | if (0 == list[i].rtt) { |
bf8fe701 | 499 | debugs(52, 3, "urnParseReply: Pinging " << host); |
62e76326 | 500 | netdbPingSite(host); |
501 | } | |
9b5c4a9a AJ |
502 | #else |
503 | list[i].rtt = 0; | |
504 | #endif | |
62e76326 | 505 | |
506 | list[i].url = url; | |
507 | list[i].host = xstrdup(host); | |
5bd484b5 AR |
508 | // TODO: Use storeHas() or lock/unlock entry to avoid creating unlocked |
509 | // ones. | |
62e76326 | 510 | list[i].flags.cached = storeGetPublic(url, m) ? 1 : 0; |
511 | i++; | |
85491f8d | 512 | } |
62e76326 | 513 | |
bf8fe701 | 514 | debugs(52, 3, "urnParseReply: Found " << i << " URLs"); |
9ce5e3e6 | 515 | return list; |
85491f8d | 516 | } |