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cd304fc2 | 1 | /* |
cd304fc2 | 2 | * DEBUG: |
3 | * AUTHOR: Duane Wessels | |
4 | * | |
5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
6 | * ---------------------------------------------------------- | |
7 | * | |
8 | * Squid is the result of efforts by numerous individuals from | |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
9e008dda | 21 | * |
cd304fc2 | 22 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
9e008dda | 26 | * |
cd304fc2 | 27 | * You should have received a copy of the GNU General Public License |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
30 | * | |
31 | */ | |
32 | ||
582c2af2 | 33 | #include "squid.h" |
3af10ac0 | 34 | #include "acl/Gadgets.h" |
3d93a84d | 35 | #include "base/TextException.h" |
6b679a01 AJ |
36 | #include "comm/Connection.h" |
37 | #include "comm/forward.h" | |
ec41b64c | 38 | #include "comm/Write.h" |
64b66b76 | 39 | #include "err_detail_type.h" |
582c2af2 | 40 | #include "errorpage.h" |
602d9612 | 41 | #include "fd.h" |
5120a38b | 42 | #include "HttpHdrContRange.h" |
582c2af2 FC |
43 | #include "HttpReply.h" |
44 | #include "HttpRequest.h" | |
582c2af2 | 45 | #include "Server.h" |
3ff65596 | 46 | #include "SquidTime.h" |
582c2af2 FC |
47 | #include "StatCounters.h" |
48 | #include "Store.h" | |
4e540555 | 49 | #include "tools.h" |
b1bd952a | 50 | #include "URL.h" |
5f8252d2 | 51 | |
a83c6ed6 | 52 | #if USE_ADAPTATION |
62c7f90e | 53 | #include "adaptation/AccessCheck.h" |
1adcebc3 | 54 | #include "adaptation/Answer.h" |
a22e6cd3 | 55 | #include "adaptation/Iterator.h" |
0ad2b63b | 56 | #include "base/AsyncCall.h" |
4d5904f7 | 57 | #include "SquidConfig.h" |
0f283edf | 58 | #endif |
cd304fc2 | 59 | |
c1520b67 | 60 | // implemented in client_side_reply.cc until sides have a common parent |
82afb125 | 61 | void purgeEntriesByUrl(HttpRequest * req, const char *url); |
c1520b67 | 62 | |
39cb8c41 AR |
63 | ServerStateData::ServerStateData(FwdState *theFwdState): AsyncJob("ServerStateData"), |
64 | requestSender(NULL), | |
a83c6ed6 | 65 | #if USE_ADAPTATION |
39cb8c41 AR |
66 | adaptedHeadSource(NULL), |
67 | adaptationAccessCheckPending(false), | |
68 | startedAdaptation(false), | |
77089558 | 69 | #endif |
0ad2b63b CT |
70 | receivedWholeRequestBody(false), |
71 | theVirginReply(NULL), | |
72 | theFinalReply(NULL) | |
cd304fc2 | 73 | { |
74 | fwd = theFwdState; | |
75 | entry = fwd->entry; | |
34266cde | 76 | |
5f8252d2 | 77 | entry->lock(); |
34266cde | 78 | |
b248c2a3 AJ |
79 | request = fwd->request; |
80 | HTTPMSGLOCK(request); | |
cd304fc2 | 81 | } |
82 | ||
83 | ServerStateData::~ServerStateData() | |
84 | { | |
49918309 AR |
85 | // paranoid: check that swanSong has been called |
86 | assert(!requestBodySource); | |
87 | #if USE_ADAPTATION | |
88 | assert(!virginBodyDestination); | |
89 | assert(!adaptedBodySource); | |
90 | #endif | |
91 | ||
97b5e68f | 92 | entry->unlock(); |
cd304fc2 | 93 | |
6dd9f4bd | 94 | HTTPMSGUNLOCK(request); |
585ab260 | 95 | HTTPMSGUNLOCK(theVirginReply); |
96 | HTTPMSGUNLOCK(theFinalReply); | |
cd304fc2 | 97 | |
98 | fwd = NULL; // refcounted | |
99 | ||
49918309 | 100 | if (responseBodyBuffer != NULL) { |
9e008dda AJ |
101 | delete responseBodyBuffer; |
102 | responseBodyBuffer = NULL; | |
49918309 AR |
103 | } |
104 | } | |
105 | ||
106 | void | |
107 | ServerStateData::swanSong() | |
108 | { | |
109 | // get rid of our piping obligations | |
5f8252d2 | 110 | if (requestBodySource != NULL) |
279152e7 | 111 | stopConsumingFrom(requestBodySource); |
5f8252d2 | 112 | |
a83c6ed6 AR |
113 | #if USE_ADAPTATION |
114 | cleanAdaptation(); | |
5f8252d2 | 115 | #endif |
7dc79973 | 116 | |
49918309 AR |
117 | BodyConsumer::swanSong(); |
118 | #if USE_ADAPTATION | |
119 | Initiator::swanSong(); | |
120 | BodyProducer::swanSong(); | |
121 | #endif | |
b2c251cc AJ |
122 | |
123 | // paranoid: check that swanSong has been called | |
124 | // extra paranoid: yeah, I really mean it. they MUST pass here. | |
125 | assert(!requestBodySource); | |
126 | #if USE_ADAPTATION | |
127 | assert(!virginBodyDestination); | |
128 | assert(!adaptedBodySource); | |
129 | #endif | |
5f8252d2 | 130 | } |
131 | ||
585ab260 | 132 | HttpReply * |
9e008dda AJ |
133 | ServerStateData::virginReply() |
134 | { | |
585ab260 | 135 | assert(theVirginReply); |
136 | return theVirginReply; | |
137 | } | |
138 | ||
139 | const HttpReply * | |
9e008dda AJ |
140 | ServerStateData::virginReply() const |
141 | { | |
585ab260 | 142 | assert(theVirginReply); |
143 | return theVirginReply; | |
144 | } | |
145 | ||
146 | HttpReply * | |
9e008dda AJ |
147 | ServerStateData::setVirginReply(HttpReply *rep) |
148 | { | |
585ab260 | 149 | debugs(11,5, HERE << this << " setting virgin reply to " << rep); |
150 | assert(!theVirginReply); | |
151 | assert(rep); | |
b248c2a3 AJ |
152 | theVirginReply = rep; |
153 | HTTPMSGLOCK(theVirginReply); | |
9e008dda | 154 | return theVirginReply; |
585ab260 | 155 | } |
156 | ||
157 | HttpReply * | |
9e008dda AJ |
158 | ServerStateData::finalReply() |
159 | { | |
585ab260 | 160 | assert(theFinalReply); |
161 | return theFinalReply; | |
162 | } | |
163 | ||
164 | HttpReply * | |
9e008dda AJ |
165 | ServerStateData::setFinalReply(HttpReply *rep) |
166 | { | |
585ab260 | 167 | debugs(11,5, HERE << this << " setting final reply to " << rep); |
168 | ||
169 | assert(!theFinalReply); | |
170 | assert(rep); | |
b248c2a3 AJ |
171 | theFinalReply = rep; |
172 | HTTPMSGLOCK(theFinalReply); | |
585ab260 | 173 | |
3756e5c0 AR |
174 | // give entry the reply because haveParsedReplyHeaders() expects it there |
175 | entry->replaceHttpReply(theFinalReply, false); // but do not write yet | |
176 | haveParsedReplyHeaders(); // update the entry/reply (e.g., set timestamps) | |
177 | entry->startWriting(); // write the updated entry to store | |
585ab260 | 178 | |
179 | return theFinalReply; | |
180 | } | |
181 | ||
5f8252d2 | 182 | // called when no more server communication is expected; may quit |
183 | void | |
184 | ServerStateData::serverComplete() | |
185 | { | |
186 | debugs(11,5,HERE << "serverComplete " << this); | |
187 | ||
188 | if (!doneWithServer()) { | |
189 | closeServer(); | |
190 | assert(doneWithServer()); | |
191 | } | |
192 | ||
7dc79973 | 193 | completed = true; |
194 | ||
3ff65596 AR |
195 | HttpRequest *r = originalRequest(); |
196 | r->hier.total_response_time = r->hier.first_conn_start.tv_sec ? | |
e1381638 AJ |
197 | tvSubMsec(r->hier.first_conn_start, current_time) : -1; |
198 | ||
5f8252d2 | 199 | if (requestBodySource != NULL) |
200 | stopConsumingFrom(requestBodySource); | |
201 | ||
7dc79973 | 202 | if (responseBodyBuffer != NULL) |
9e008dda | 203 | return; |
7dc79973 | 204 | |
205 | serverComplete2(); | |
206 | } | |
207 | ||
208 | void | |
209 | ServerStateData::serverComplete2() | |
210 | { | |
211 | debugs(11,5,HERE << "serverComplete2 " << this); | |
212 | ||
a83c6ed6 | 213 | #if USE_ADAPTATION |
5f8252d2 | 214 | if (virginBodyDestination != NULL) |
215 | stopProducingFor(virginBodyDestination, true); | |
216 | ||
a83c6ed6 | 217 | if (!doneWithAdaptation()) |
5f8252d2 | 218 | return; |
219 | #endif | |
220 | ||
221 | completeForwarding(); | |
5f8252d2 | 222 | } |
223 | ||
79628299 | 224 | bool ServerStateData::doneAll() const |
9e008dda | 225 | { |
79628299 | 226 | return doneWithServer() && |
a83c6ed6 | 227 | #if USE_ADAPTATION |
b692311b A |
228 | doneWithAdaptation() && |
229 | Adaptation::Initiator::doneAll() && | |
230 | BodyProducer::doneAll() && | |
5f8252d2 | 231 | #endif |
b692311b | 232 | BodyConsumer::doneAll(); |
5f8252d2 | 233 | } |
234 | ||
235 | // FTP side overloads this to work around multiple calls to fwd->complete | |
236 | void | |
9e008dda AJ |
237 | ServerStateData::completeForwarding() |
238 | { | |
5f8252d2 | 239 | debugs(11,5, HERE << "completing forwarding for " << fwd); |
240 | assert(fwd != NULL); | |
241 | fwd->complete(); | |
242 | } | |
243 | ||
123ec4de | 244 | // Register to receive request body |
245 | bool ServerStateData::startRequestBodyFlow() | |
246 | { | |
247 | HttpRequest *r = originalRequest(); | |
248 | assert(r->body_pipe != NULL); | |
249 | requestBodySource = r->body_pipe; | |
250 | if (requestBodySource->setConsumerIfNotLate(this)) { | |
251 | debugs(11,3, HERE << "expecting request body from " << | |
9e008dda | 252 | requestBodySource->status()); |
123ec4de | 253 | return true; |
254 | } | |
255 | ||
256 | debugs(11,3, HERE << "aborting on partially consumed request body: " << | |
9e008dda | 257 | requestBodySource->status()); |
123ec4de | 258 | requestBodySource = NULL; |
259 | return false; | |
260 | } | |
261 | ||
5f8252d2 | 262 | // Entry-dependent callbacks use this check to quit if the entry went bad |
263 | bool | |
264 | ServerStateData::abortOnBadEntry(const char *abortReason) | |
265 | { | |
266 | if (entry->isAccepting()) | |
267 | return false; | |
268 | ||
269 | debugs(11,5, HERE << "entry is not Accepting!"); | |
270 | abortTransaction(abortReason); | |
271 | return true; | |
272 | } | |
273 | ||
274 | // more request or adapted response body is available | |
275 | void | |
dc56a9b1 | 276 | ServerStateData::noteMoreBodyDataAvailable(BodyPipe::Pointer bp) |
5f8252d2 | 277 | { |
a83c6ed6 | 278 | #if USE_ADAPTATION |
dc56a9b1 | 279 | if (adaptedBodySource == bp) { |
5f8252d2 | 280 | handleMoreAdaptedBodyAvailable(); |
281 | return; | |
282 | } | |
283 | #endif | |
0ad2b63b CT |
284 | if (requestBodySource == bp) |
285 | handleMoreRequestBodyAvailable(); | |
5f8252d2 | 286 | } |
287 | ||
288 | // the entire request or adapted response body was provided, successfully | |
289 | void | |
dc56a9b1 | 290 | ServerStateData::noteBodyProductionEnded(BodyPipe::Pointer bp) |
5f8252d2 | 291 | { |
a83c6ed6 | 292 | #if USE_ADAPTATION |
dc56a9b1 | 293 | if (adaptedBodySource == bp) { |
5f8252d2 | 294 | handleAdaptedBodyProductionEnded(); |
295 | return; | |
c99de607 | 296 | } |
cd304fc2 | 297 | #endif |
0ad2b63b CT |
298 | if (requestBodySource == bp) |
299 | handleRequestBodyProductionEnded(); | |
5f8252d2 | 300 | } |
301 | ||
302 | // premature end of the request or adapted response body production | |
303 | void | |
dc56a9b1 | 304 | ServerStateData::noteBodyProducerAborted(BodyPipe::Pointer bp) |
5f8252d2 | 305 | { |
a83c6ed6 | 306 | #if USE_ADAPTATION |
dc56a9b1 | 307 | if (adaptedBodySource == bp) { |
5f8252d2 | 308 | handleAdaptedBodyProducerAborted(); |
309 | return; | |
310 | } | |
311 | #endif | |
0ad2b63b CT |
312 | if (requestBodySource == bp) |
313 | handleRequestBodyProducerAborted(); | |
5f8252d2 | 314 | } |
315 | ||
5f8252d2 | 316 | // more origin request body data is available |
317 | void | |
318 | ServerStateData::handleMoreRequestBodyAvailable() | |
319 | { | |
320 | if (!requestSender) | |
321 | sendMoreRequestBody(); | |
322 | else | |
323 | debugs(9,3, HERE << "waiting for request body write to complete"); | |
324 | } | |
325 | ||
326 | // there will be no more handleMoreRequestBodyAvailable calls | |
327 | void | |
328 | ServerStateData::handleRequestBodyProductionEnded() | |
329 | { | |
39cb8c41 | 330 | receivedWholeRequestBody = true; |
5f8252d2 | 331 | if (!requestSender) |
332 | doneSendingRequestBody(); | |
333 | else | |
334 | debugs(9,3, HERE << "waiting for request body write to complete"); | |
335 | } | |
336 | ||
337 | // called when we are done sending request body; kids extend this | |
338 | void | |
9e008dda AJ |
339 | ServerStateData::doneSendingRequestBody() |
340 | { | |
5f8252d2 | 341 | debugs(9,3, HERE << "done sending request body"); |
342 | assert(requestBodySource != NULL); | |
343 | stopConsumingFrom(requestBodySource); | |
344 | ||
345 | // kids extend this | |
346 | } | |
347 | ||
348 | // called when body producers aborts; kids extend this | |
349 | void | |
350 | ServerStateData::handleRequestBodyProducerAborted() | |
351 | { | |
352 | if (requestSender != NULL) | |
353 | debugs(9,3, HERE << "fyi: request body aborted while we were sending"); | |
354 | ||
0919c51e | 355 | fwd->dontRetry(true); // the problem is not with the server |
5f8252d2 | 356 | stopConsumingFrom(requestBodySource); // requestSender, if any, will notice |
357 | ||
358 | // kids extend this | |
359 | } | |
360 | ||
5f8252d2 | 361 | // called when we wrote request headers(!) or a part of the body |
362 | void | |
dc56a9b1 | 363 | ServerStateData::sentRequestBody(const CommIoCbParams &io) |
5f8252d2 | 364 | { |
dc56a9b1 | 365 | debugs(11, 5, "sentRequestBody: FD " << io.fd << ": size " << io.size << ": errflag " << io.flag << "."); |
5f8252d2 | 366 | debugs(32,3,HERE << "sentRequestBody called"); |
367 | ||
368 | requestSender = NULL; | |
369 | ||
dc56a9b1 | 370 | if (io.size > 0) { |
371 | fd_bytes(io.fd, io.size, FD_WRITE); | |
e4f1fdae | 372 | kb_incr(&(statCounter.server.all.kbytes_out), io.size); |
5f8252d2 | 373 | // kids should increment their counters |
374 | } | |
375 | ||
dc56a9b1 | 376 | if (io.flag == COMM_ERR_CLOSING) |
5f8252d2 | 377 | return; |
378 | ||
379 | if (!requestBodySource) { | |
380 | debugs(9,3, HERE << "detected while-we-were-sending abort"); | |
381 | return; // do nothing; | |
382 | } | |
383 | ||
dc56a9b1 | 384 | if (io.flag) { |
e0236918 | 385 | debugs(11, DBG_IMPORTANT, "sentRequestBody error: FD " << io.fd << ": " << xstrerr(io.xerrno)); |
5f8252d2 | 386 | ErrorState *err; |
955394ce | 387 | err = new ErrorState(ERR_WRITE_ERROR, Http::scBadGateway, fwd->request); |
f5f9e44c | 388 | err->xerrno = io.xerrno; |
5f8252d2 | 389 | fwd->fail(err); |
390 | abortTransaction("I/O error while sending request body"); | |
391 | return; | |
392 | } | |
393 | ||
394 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { | |
395 | abortTransaction("store entry aborted while sending request body"); | |
396 | return; | |
397 | } | |
398 | ||
39cb8c41 AR |
399 | if (!requestBodySource->exhausted()) |
400 | sendMoreRequestBody(); | |
de48b288 | 401 | else if (receivedWholeRequestBody) |
5f8252d2 | 402 | doneSendingRequestBody(); |
403 | else | |
39cb8c41 | 404 | debugs(9,3, HERE << "waiting for body production end or abort"); |
cd304fc2 | 405 | } |
406 | ||
5f8252d2 | 407 | void |
408 | ServerStateData::sendMoreRequestBody() | |
409 | { | |
410 | assert(requestBodySource != NULL); | |
411 | assert(!requestSender); | |
a0297974 | 412 | |
e83cc785 | 413 | const Comm::ConnectionPointer conn = dataConnection(); |
a0297974 | 414 | |
6b679a01 | 415 | if (!Comm::IsConnOpen(conn)) { |
e0d28505 | 416 | debugs(9,3, HERE << "cannot send request body to closing " << conn); |
a0297974 AR |
417 | return; // wait for the kid's close handler; TODO: assert(closer); |
418 | } | |
419 | ||
5f8252d2 | 420 | MemBuf buf; |
39cb8c41 | 421 | if (getMoreRequestBody(buf) && buf.contentSize() > 0) { |
5f8252d2 | 422 | debugs(9,3, HERE << "will write " << buf.contentSize() << " request body bytes"); |
9e008dda | 423 | typedef CommCbMemFunT<ServerStateData, CommIoCbParams> Dialer; |
e0d28505 | 424 | requestSender = JobCallback(93,3, Dialer, this, ServerStateData::sentRequestBody); |
b0388924 | 425 | Comm::Write(conn, &buf, requestSender); |
5f8252d2 | 426 | } else { |
427 | debugs(9,3, HERE << "will wait for more request body bytes or eof"); | |
428 | requestSender = NULL; | |
429 | } | |
430 | } | |
431 | ||
39cb8c41 AR |
432 | /// either fill buf with available [encoded] request body bytes or return false |
433 | bool | |
434 | ServerStateData::getMoreRequestBody(MemBuf &buf) | |
435 | { | |
436 | // default implementation does not encode request body content | |
437 | Must(requestBodySource != NULL); | |
438 | return requestBodySource->getMoreData(buf); | |
439 | } | |
440 | ||
c1520b67 AJ |
441 | // Compares hosts in urls, returns false if different, no sheme, or no host. |
442 | static bool | |
443 | sameUrlHosts(const char *url1, const char *url2) | |
444 | { | |
445 | // XXX: Want urlHostname() here, but it uses static storage and copying | |
446 | const char *host1 = strchr(url1, ':'); | |
447 | const char *host2 = strchr(url2, ':'); | |
448 | ||
449 | if (host1 && host2) { | |
450 | // skip scheme slashes | |
451 | do { | |
452 | ++host1; | |
453 | ++host2; | |
454 | } while (*host1 == '/' && *host2 == '/'); | |
455 | ||
456 | if (!*host1) | |
457 | return false; // no host | |
458 | ||
459 | // increment while the same until we reach the end of the URL/host | |
460 | while (*host1 && *host1 != '/' && *host1 == *host2) { | |
461 | ++host1; | |
462 | ++host2; | |
463 | } | |
464 | return *host1 == *host2; | |
465 | } | |
466 | ||
467 | return false; // no URL scheme | |
468 | } | |
469 | ||
470 | // purges entries that match the value of a given HTTP [response] header | |
471 | static void | |
90bd689c | 472 | purgeEntriesByHeader(HttpRequest *req, const char *reqUrl, HttpMsg *rep, http_hdr_type hdr) |
c1520b67 | 473 | { |
bf956b0a | 474 | const char *hdrUrl, *absUrl; |
9e008dda | 475 | |
71051277 BR |
476 | absUrl = NULL; |
477 | hdrUrl = rep->header.getStr(hdr); | |
478 | if (hdrUrl == NULL) { | |
479 | return; | |
480 | } | |
9e008dda | 481 | |
71051277 BR |
482 | /* |
483 | * If the URL is relative, make it absolute so we can find it. | |
484 | * If it's absolute, make sure the host parts match to avoid DOS attacks | |
485 | * as per RFC 2616 13.10. | |
486 | */ | |
487 | if (urlIsRelative(hdrUrl)) { | |
488 | absUrl = urlMakeAbsolute(req, hdrUrl); | |
3cbbd242 | 489 | if (absUrl != NULL) { |
71051277 | 490 | hdrUrl = absUrl; |
3cbbd242 | 491 | } |
71051277 BR |
492 | } else if (!sameUrlHosts(reqUrl, hdrUrl)) { |
493 | return; | |
494 | } | |
9e008dda | 495 | |
8dceeee3 | 496 | purgeEntriesByUrl(req, hdrUrl); |
9e008dda | 497 | |
71051277 BR |
498 | if (absUrl != NULL) { |
499 | safe_free(absUrl); | |
3cbbd242 | 500 | } |
c1520b67 AJ |
501 | } |
502 | ||
503 | // some HTTP methods should purge matching cache entries | |
504 | void | |
505 | ServerStateData::maybePurgeOthers() | |
506 | { | |
9e008dda AJ |
507 | // only some HTTP methods should purge matching cache entries |
508 | if (!request->method.purgesOthers()) | |
509 | return; | |
c1520b67 | 510 | |
9e008dda | 511 | // and probably only if the response was successful |
9b769c67 | 512 | if (theFinalReply->sline.status() >= 400) |
9e008dda | 513 | return; |
c1520b67 | 514 | |
9e008dda AJ |
515 | // XXX: should we use originalRequest() here? |
516 | const char *reqUrl = urlCanonical(request); | |
517 | debugs(88, 5, "maybe purging due to " << RequestMethodStr(request->method) << ' ' << reqUrl); | |
518 | purgeEntriesByUrl(request, reqUrl); | |
519 | purgeEntriesByHeader(request, reqUrl, theFinalReply, HDR_LOCATION); | |
520 | purgeEntriesByHeader(request, reqUrl, theFinalReply, HDR_CONTENT_LOCATION); | |
c1520b67 AJ |
521 | } |
522 | ||
fad1a21e | 523 | /// called when we have final (possibly adapted) reply headers; kids extend |
5f8252d2 | 524 | void |
525 | ServerStateData::haveParsedReplyHeaders() | |
526 | { | |
9e008dda AJ |
527 | Must(theFinalReply); |
528 | maybePurgeOthers(); | |
5120a38b AR |
529 | |
530 | // adaptation may overwrite old offset computed using the virgin response | |
531 | const bool partial = theFinalReply->content_range && | |
532 | theFinalReply->sline.status() == Http::scPartialContent; | |
533 | currentOffset = partial ? theFinalReply->content_range->spec.offset : 0; | |
5f8252d2 | 534 | } |
535 | ||
7dc79973 | 536 | HttpRequest * |
537 | ServerStateData::originalRequest() | |
538 | { | |
539 | return request; | |
540 | } | |
5f8252d2 | 541 | |
a83c6ed6 | 542 | #if USE_ADAPTATION |
a22e6cd3 AR |
543 | /// Initiate an asynchronous adaptation transaction which will call us back. |
544 | void | |
545 | ServerStateData::startAdaptation(const Adaptation::ServiceGroupPointer &group, HttpRequest *cause) | |
cd304fc2 | 546 | { |
a83c6ed6 | 547 | debugs(11, 5, "ServerStateData::startAdaptation() called"); |
5f8252d2 | 548 | // check whether we should be sending a body as well |
5f8252d2 | 549 | // start body pipe to feed ICAP transaction if needed |
585ab260 | 550 | assert(!virginBodyDestination); |
9e008dda | 551 | HttpReply *vrep = virginReply(); |
585ab260 | 552 | assert(!vrep->body_pipe); |
47f6e231 | 553 | int64_t size = 0; |
585ab260 | 554 | if (vrep->expectingBody(cause->method, size) && size) { |
5f8252d2 | 555 | virginBodyDestination = new BodyPipe(this); |
585ab260 | 556 | vrep->body_pipe = virginBodyDestination; |
9e008dda AJ |
557 | debugs(93, 6, HERE << "will send virgin reply body to " << |
558 | virginBodyDestination << "; size: " << size); | |
c2eef5bd | 559 | if (size > 0) |
560 | virginBodyDestination->setBodySize(size); | |
5f8252d2 | 561 | } |
562 | ||
a22e6cd3 | 563 | adaptedHeadSource = initiateAdaptation( |
4cb2536f | 564 | new Adaptation::Iterator(vrep, cause, group)); |
4299f876 | 565 | startedAdaptation = initiated(adaptedHeadSource); |
a22e6cd3 | 566 | Must(startedAdaptation); |
cd304fc2 | 567 | } |
0c25e715 | 568 | |
5f8252d2 | 569 | // properly cleans up ICAP-related state |
570 | // may be called multiple times | |
9e008dda AJ |
571 | void ServerStateData::cleanAdaptation() |
572 | { | |
a83c6ed6 | 573 | debugs(11,5, HERE << "cleaning ICAP; ACL: " << adaptationAccessCheckPending); |
5f8252d2 | 574 | |
575 | if (virginBodyDestination != NULL) | |
576 | stopProducingFor(virginBodyDestination, false); | |
577 | ||
0f283edf | 578 | announceInitiatorAbort(adaptedHeadSource); |
5f8252d2 | 579 | |
580 | if (adaptedBodySource != NULL) | |
581 | stopConsumingFrom(adaptedBodySource); | |
582 | ||
a83c6ed6 AR |
583 | if (!adaptationAccessCheckPending) // we cannot cancel a pending callback |
584 | assert(doneWithAdaptation()); // make sure the two methods are in sync | |
5f8252d2 | 585 | } |
586 | ||
587 | bool | |
9e008dda AJ |
588 | ServerStateData::doneWithAdaptation() const |
589 | { | |
a83c6ed6 | 590 | return !adaptationAccessCheckPending && |
9e008dda | 591 | !virginBodyDestination && !adaptedHeadSource && !adaptedBodySource; |
5f8252d2 | 592 | } |
593 | ||
bc81cb2b | 594 | // sends virgin reply body to ICAP, buffering excesses if needed |
595 | void | |
596 | ServerStateData::adaptVirginReplyBody(const char *data, ssize_t len) | |
597 | { | |
a83c6ed6 | 598 | assert(startedAdaptation); |
bc81cb2b | 599 | |
600 | if (!virginBodyDestination) { | |
601 | debugs(11,3, HERE << "ICAP does not want more virgin body"); | |
602 | return; | |
603 | } | |
604 | ||
605 | // grow overflow area if already overflowed | |
606 | if (responseBodyBuffer) { | |
607 | responseBodyBuffer->append(data, len); | |
608 | data = responseBodyBuffer->content(); | |
609 | len = responseBodyBuffer->contentSize(); | |
610 | } | |
611 | ||
612 | const ssize_t putSize = virginBodyDestination->putMoreData(data, len); | |
613 | data += putSize; | |
614 | len -= putSize; | |
615 | ||
616 | // if we had overflow area, shrink it as necessary | |
617 | if (responseBodyBuffer) { | |
618 | if (putSize == responseBodyBuffer->contentSize()) { | |
619 | delete responseBodyBuffer; | |
620 | responseBodyBuffer = NULL; | |
621 | } else { | |
622 | responseBodyBuffer->consume(putSize); | |
9e008dda | 623 | } |
bc81cb2b | 624 | return; |
625 | } | |
626 | ||
627 | // if we did not have an overflow area, create it as needed | |
628 | if (len > 0) { | |
629 | assert(!responseBodyBuffer); | |
630 | responseBodyBuffer = new MemBuf; | |
631 | responseBodyBuffer->init(4096, SQUID_TCP_SO_RCVBUF * 10); | |
632 | responseBodyBuffer->append(data, len); | |
633 | } | |
634 | } | |
635 | ||
5f8252d2 | 636 | // can supply more virgin response body data |
637 | void | |
dc56a9b1 | 638 | ServerStateData::noteMoreBodySpaceAvailable(BodyPipe::Pointer) |
5f8252d2 | 639 | { |
7dc79973 | 640 | if (responseBodyBuffer) { |
bc81cb2b | 641 | addVirginReplyBody(NULL, 0); // kick the buffered fragment alive again |
642 | if (completed && !responseBodyBuffer) { | |
643 | serverComplete2(); | |
644 | return; | |
645 | } | |
7dc79973 | 646 | } |
5f8252d2 | 647 | maybeReadVirginBody(); |
648 | } | |
649 | ||
bc81cb2b | 650 | // the consumer of our virgin response body aborted |
5f8252d2 | 651 | void |
dc56a9b1 | 652 | ServerStateData::noteBodyConsumerAborted(BodyPipe::Pointer) |
5f8252d2 | 653 | { |
654 | stopProducingFor(virginBodyDestination, false); | |
bc81cb2b | 655 | |
a83c6ed6 | 656 | // do not force closeServer here in case we need to bypass AdaptationQueryAbort |
bc81cb2b | 657 | |
a83c6ed6 AR |
658 | if (doneWithAdaptation()) // we may still be receiving adapted response |
659 | handleAdaptationCompleted(); | |
5f8252d2 | 660 | } |
661 | ||
662 | // received adapted response headers (body may follow) | |
663 | void | |
3af10ac0 | 664 | ServerStateData::noteAdaptationAnswer(const Adaptation::Answer &answer) |
5f8252d2 | 665 | { |
a83c6ed6 | 666 | clearAdaptation(adaptedHeadSource); // we do not expect more messages |
5f8252d2 | 667 | |
3af10ac0 AR |
668 | switch (answer.kind) { |
669 | case Adaptation::Answer::akForward: | |
b248c2a3 | 670 | handleAdaptedHeader(const_cast<HttpMsg*>(answer.message.getRaw())); |
3af10ac0 AR |
671 | break; |
672 | ||
673 | case Adaptation::Answer::akBlock: | |
674 | handleAdaptationBlocked(answer); | |
675 | break; | |
676 | ||
677 | case Adaptation::Answer::akError: | |
678 | handleAdaptationAborted(!answer.final); | |
679 | break; | |
680 | } | |
681 | } | |
682 | ||
683 | void | |
684 | ServerStateData::handleAdaptedHeader(HttpMsg *msg) | |
685 | { | |
1733bbba CT |
686 | if (abortOnBadEntry("entry went bad while waiting for adapted headers")) { |
687 | // If the adapted response has a body, the ICAP side needs to know | |
688 | // that nobody will consume that body. We will be destroyed upon | |
689 | // return. Tell the ICAP side that it is on its own. | |
690 | HttpReply *rep = dynamic_cast<HttpReply*>(msg); | |
691 | assert(rep); | |
692 | if (rep->body_pipe != NULL) | |
693 | rep->body_pipe->expectNoConsumption(); | |
694 | ||
5f8252d2 | 695 | return; |
1733bbba | 696 | } |
5f8252d2 | 697 | |
585ab260 | 698 | HttpReply *rep = dynamic_cast<HttpReply*>(msg); |
5f8252d2 | 699 | assert(rep); |
585ab260 | 700 | debugs(11,5, HERE << this << " setting adapted reply to " << rep); |
701 | setFinalReply(rep); | |
5f8252d2 | 702 | |
703 | assert(!adaptedBodySource); | |
585ab260 | 704 | if (rep->body_pipe != NULL) { |
5f8252d2 | 705 | // subscribe to receive adapted body |
585ab260 | 706 | adaptedBodySource = rep->body_pipe; |
5f8252d2 | 707 | // assume that ICAP does not auto-consume on failures |
dfb6dc9d NH |
708 | const bool result = adaptedBodySource->setConsumerIfNotLate(this); |
709 | assert(result); | |
5f8252d2 | 710 | } else { |
711 | // no body | |
a83c6ed6 AR |
712 | if (doneWithAdaptation()) // we may still be sending virgin response |
713 | handleAdaptationCompleted(); | |
5f8252d2 | 714 | } |
5f8252d2 | 715 | } |
716 | ||
5f8252d2 | 717 | void |
0ad2b63b | 718 | ServerStateData::resumeBodyStorage() |
5f8252d2 | 719 | { |
0ad2b63b CT |
720 | if (abortOnBadEntry("store entry aborted while kick producer callback")) |
721 | return; | |
5f8252d2 | 722 | |
e83cdc25 | 723 | if (!adaptedBodySource) |
0ad2b63b CT |
724 | return; |
725 | ||
726 | handleMoreAdaptedBodyAvailable(); | |
727 | ||
728 | if (adaptedBodySource != NULL && adaptedBodySource->exhausted()) | |
729 | endAdaptedBodyConsumption(); | |
730 | } | |
5f8252d2 | 731 | |
0ad2b63b CT |
732 | // more adapted response body is available |
733 | void | |
734 | ServerStateData::handleMoreAdaptedBodyAvailable() | |
735 | { | |
5f8252d2 | 736 | if (abortOnBadEntry("entry refuses adapted body")) |
737 | return; | |
738 | ||
739 | assert(entry); | |
0ad2b63b CT |
740 | |
741 | size_t contentSize = adaptedBodySource->buf().contentSize(); | |
0ad2b63b CT |
742 | |
743 | if (!contentSize) | |
744 | return; // XXX: bytesWanted asserts on zero-size ranges | |
745 | ||
384a7590 | 746 | const size_t spaceAvailable = entry->bytesWanted(Range<size_t>(0, contentSize), true); |
0ad2b63b | 747 | |
e83cdc25 | 748 | if (spaceAvailable < contentSize ) { |
0ad2b63b CT |
749 | // No or partial body data consuming |
750 | typedef NullaryMemFunT<ServerStateData> Dialer; | |
751 | AsyncCall::Pointer call = asyncCall(93, 5, "ServerStateData::resumeBodyStorage", | |
752 | Dialer(this, &ServerStateData::resumeBodyStorage)); | |
753 | entry->deferProducer(call); | |
754 | } | |
755 | ||
4dc2b072 | 756 | if (!spaceAvailable) { |
0ad2b63b CT |
757 | debugs(11, 5, HERE << "NOT storing " << contentSize << " bytes of adapted " << |
758 | "response body at offset " << adaptedBodySource->consumedSize()); | |
759 | return; | |
760 | } | |
e83cdc25 | 761 | |
0ad2b63b CT |
762 | if (spaceAvailable < contentSize ) { |
763 | debugs(11, 5, HERE << "postponing storage of " << | |
764 | (contentSize - spaceAvailable) << " body bytes"); | |
765 | contentSize = spaceAvailable; | |
0ad2b63b | 766 | } |
e83cdc25 | 767 | |
0ad2b63b CT |
768 | debugs(11,5, HERE << "storing " << contentSize << " bytes of adapted " << |
769 | "response body at offset " << adaptedBodySource->consumedSize()); | |
e83cdc25 | 770 | |
5f8252d2 | 771 | BodyPipeCheckout bpc(*adaptedBodySource); |
0ad2b63b CT |
772 | const StoreIOBuffer ioBuf(&bpc.buf, currentOffset, contentSize); |
773 | currentOffset += ioBuf.length; | |
5f8252d2 | 774 | entry->write(ioBuf); |
775 | bpc.buf.consume(contentSize); | |
776 | bpc.checkIn(); | |
777 | } | |
778 | ||
779 | // the entire adapted response body was produced, successfully | |
780 | void | |
781 | ServerStateData::handleAdaptedBodyProductionEnded() | |
782 | { | |
5f8252d2 | 783 | if (abortOnBadEntry("entry went bad while waiting for adapted body eof")) |
784 | return; | |
e83cdc25 A |
785 | |
786 | // end consumption if we consumed everything | |
0ad2b63b CT |
787 | if (adaptedBodySource != NULL && adaptedBodySource->exhausted()) |
788 | endAdaptedBodyConsumption(); | |
789 | // else resumeBodyStorage() will eventually consume the rest | |
790 | } | |
5f8252d2 | 791 | |
0ad2b63b CT |
792 | void |
793 | ServerStateData::endAdaptedBodyConsumption() | |
794 | { | |
795 | stopConsumingFrom(adaptedBodySource); | |
a83c6ed6 | 796 | handleAdaptationCompleted(); |
5f8252d2 | 797 | } |
798 | ||
799 | // premature end of the adapted response body | |
800 | void ServerStateData::handleAdaptedBodyProducerAborted() | |
801 | { | |
802 | stopConsumingFrom(adaptedBodySource); | |
a83c6ed6 | 803 | handleAdaptationAborted(); |
5f8252d2 | 804 | } |
805 | ||
a83c6ed6 | 806 | // common part of noteAdaptationAnswer and handleAdaptedBodyProductionEnded |
5f8252d2 | 807 | void |
a83c6ed6 | 808 | ServerStateData::handleAdaptationCompleted() |
5f8252d2 | 809 | { |
a83c6ed6 AR |
810 | debugs(11,5, HERE << "handleAdaptationCompleted"); |
811 | cleanAdaptation(); | |
bc81cb2b | 812 | |
813 | // We stop reading origin response because we have no place to put it and | |
814 | // cannot use it. If some origin servers do not like that or if we want to | |
815 | // reuse more pconns, we can add code to discard unneeded origin responses. | |
816 | if (!doneWithServer()) { | |
817 | debugs(11,3, HERE << "closing origin conn due to ICAP completion"); | |
818 | closeServer(); | |
819 | } | |
820 | ||
5f8252d2 | 821 | completeForwarding(); |
5f8252d2 | 822 | } |
823 | ||
a83c6ed6 | 824 | // common part of noteAdaptation*Aborted and noteBodyConsumerAborted methods |
5f8252d2 | 825 | void |
a83c6ed6 | 826 | ServerStateData::handleAdaptationAborted(bool bypassable) |
5f8252d2 | 827 | { |
a83c6ed6 | 828 | debugs(11,5, HERE << "handleAdaptationAborted; bypassable: " << bypassable << |
9e008dda | 829 | ", entry empty: " << entry->isEmpty()); |
5f8252d2 | 830 | |
831 | if (abortOnBadEntry("entry went bad while ICAP aborted")) | |
832 | return; | |
833 | ||
0f283edf | 834 | // TODO: bypass if possible |
835 | ||
5f8252d2 | 836 | if (entry->isEmpty()) { |
837 | debugs(11,9, HERE << "creating ICAP error entry after ICAP failure"); | |
955394ce | 838 | ErrorState *err = new ErrorState(ERR_ICAP_FAILURE, Http::scInternalServerError, request); |
129fe2a1 | 839 | err->detailError(ERR_DETAIL_ICAP_RESPMOD_EARLY); |
5f8252d2 | 840 | fwd->fail(err); |
841 | fwd->dontRetry(true); | |
b3c9f64a | 842 | } else if (request) { // update logged info directly |
64b66b76 CT |
843 | request->detailError(ERR_ICAP_FAILURE, ERR_DETAIL_ICAP_RESPMOD_LATE); |
844 | } | |
5f8252d2 | 845 | |
0f283edf | 846 | abortTransaction("ICAP failure"); |
5f8252d2 | 847 | } |
848 | ||
3af10ac0 AR |
849 | // adaptation service wants us to deny HTTP client access to this response |
850 | void | |
851 | ServerStateData::handleAdaptationBlocked(const Adaptation::Answer &answer) | |
852 | { | |
6666da11 | 853 | debugs(11,5, HERE << answer.ruleId); |
3af10ac0 AR |
854 | |
855 | if (abortOnBadEntry("entry went bad while ICAP aborted")) | |
856 | return; | |
857 | ||
858 | if (!entry->isEmpty()) { // too late to block (should not really happen) | |
ec4d1a1d A |
859 | if (request) |
860 | request->detailError(ERR_ICAP_FAILURE, ERR_DETAIL_RESPMOD_BLOCK_LATE); | |
861 | abortTransaction("late adaptation block"); | |
862 | return; | |
3af10ac0 | 863 | } |
ec4d1a1d | 864 | |
3af10ac0 AR |
865 | debugs(11,7, HERE << "creating adaptation block response"); |
866 | ||
867 | err_type page_id = | |
868 | aclGetDenyInfoPage(&Config.denyInfoList, answer.ruleId.termedBuf(), 1); | |
869 | if (page_id == ERR_NONE) | |
870 | page_id = ERR_ACCESS_DENIED; | |
871 | ||
955394ce | 872 | ErrorState *err = new ErrorState(page_id, Http::scForbidden, request); |
129fe2a1 | 873 | err->detailError(ERR_DETAIL_RESPMOD_BLOCK_EARLY); |
3af10ac0 AR |
874 | fwd->fail(err); |
875 | fwd->dontRetry(true); | |
876 | ||
877 | abortTransaction("timely adaptation block"); | |
878 | } | |
879 | ||
7c4e4e7f | 880 | void |
79628299 | 881 | ServerStateData::noteAdaptationAclCheckDone(Adaptation::ServiceGroupPointer group) |
7c4e4e7f | 882 | { |
a83c6ed6 | 883 | adaptationAccessCheckPending = false; |
7c4e4e7f | 884 | |
885 | if (abortOnBadEntry("entry went bad while waiting for ICAP ACL check")) | |
886 | return; | |
887 | ||
47416555 | 888 | // TODO: Should nonICAP and postICAP path check this on the server-side? |
889 | // That check now only happens on client-side, in processReplyAccess(). | |
890 | if (virginReply()->expectedBodyTooLarge(*request)) { | |
891 | sendBodyIsTooLargeError(); | |
892 | return; | |
893 | } | |
abd4b611 | 894 | // TODO: Should we check receivedBodyTooLarge on the server-side as well? |
47416555 | 895 | |
a22e6cd3 AR |
896 | if (!group) { |
897 | debugs(11,3, HERE << "no adapation needed"); | |
585ab260 | 898 | setFinalReply(virginReply()); |
7c4e4e7f | 899 | processReplyBody(); |
7c4e4e7f | 900 | return; |
901 | } | |
902 | ||
a22e6cd3 | 903 | startAdaptation(group, originalRequest()); |
7c4e4e7f | 904 | processReplyBody(); |
905 | } | |
0c25e715 | 906 | #endif |
7dc79973 | 907 | |
47416555 | 908 | void |
909 | ServerStateData::sendBodyIsTooLargeError() | |
910 | { | |
955394ce | 911 | ErrorState *err = new ErrorState(ERR_TOO_BIG, Http::scForbidden, request); |
47416555 | 912 | fwd->fail(err); |
913 | fwd->dontRetry(true); | |
914 | abortTransaction("Virgin body too large."); | |
915 | } | |
916 | ||
9e008dda | 917 | // TODO: when HttpStateData sends all errors to ICAP, |
585ab260 | 918 | // we should be able to move this at the end of setVirginReply(). |
7dc79973 | 919 | void |
585ab260 | 920 | ServerStateData::adaptOrFinalizeReply() |
7dc79973 | 921 | { |
a83c6ed6 | 922 | #if USE_ADAPTATION |
abd4b611 AR |
923 | // TODO: merge with client side and return void to hide the on/off logic? |
924 | // The callback can be called with a NULL service if adaptation is off. | |
925 | adaptationAccessCheckPending = Adaptation::AccessCheck::Start( | |
9e008dda | 926 | Adaptation::methodRespmod, Adaptation::pointPreCache, |
79628299 | 927 | originalRequest(), virginReply(), this); |
c30ac6ea | 928 | debugs(11,5, HERE << "adaptationAccessCheckPending=" << adaptationAccessCheckPending); |
abd4b611 | 929 | if (adaptationAccessCheckPending) |
7dc79973 | 930 | return; |
7dc79973 | 931 | #endif |
932 | ||
585ab260 | 933 | setFinalReply(virginReply()); |
7dc79973 | 934 | } |
935 | ||
bae917ac CT |
936 | /// initializes bodyBytesRead stats if needed and applies delta |
937 | void | |
938 | ServerStateData::adjustBodyBytesRead(const int64_t delta) | |
939 | { | |
940 | int64_t &bodyBytesRead = originalRequest()->hier.bodyBytesRead; | |
941 | ||
942 | // if we got here, do not log a dash even if we got nothing from the server | |
943 | if (bodyBytesRead < 0) | |
944 | bodyBytesRead = 0; | |
945 | ||
946 | bodyBytesRead += delta; // supports negative and zero deltas | |
947 | ||
948 | // check for overflows ("infinite" response?) and undeflows (a bug) | |
949 | Must(bodyBytesRead >= 0); | |
950 | } | |
951 | ||
7dc79973 | 952 | void |
bc81cb2b | 953 | ServerStateData::addVirginReplyBody(const char *data, ssize_t len) |
7dc79973 | 954 | { |
bae917ac CT |
955 | adjustBodyBytesRead(len); |
956 | ||
a83c6ed6 AR |
957 | #if USE_ADAPTATION |
958 | assert(!adaptationAccessCheckPending); // or would need to buffer while waiting | |
959 | if (startedAdaptation) { | |
bc81cb2b | 960 | adaptVirginReplyBody(data, len); |
7dc79973 | 961 | return; |
962 | } | |
7dc79973 | 963 | #endif |
bc81cb2b | 964 | storeReplyBody(data, len); |
965 | } | |
7dc79973 | 966 | |
bc81cb2b | 967 | // writes virgin or adapted reply body to store |
968 | void | |
969 | ServerStateData::storeReplyBody(const char *data, ssize_t len) | |
970 | { | |
2d1a172f | 971 | // write even if len is zero to push headers towards the client side |
7dc79973 | 972 | entry->write (StoreIOBuffer(len, currentOffset, (char*)data)); |
973 | ||
974 | currentOffset += len; | |
975 | } | |
976 | ||
52edecde | 977 | size_t ServerStateData::replyBodySpace(const MemBuf &readBuf, |
1c9605c5 | 978 | const size_t minSpace) const |
7dc79973 | 979 | { |
52edecde AJ |
980 | size_t space = readBuf.spaceSize(); // available space w/o heroic measures |
981 | if (space < minSpace) { | |
982 | const size_t maxSpace = readBuf.potentialSpaceSize(); // absolute best | |
983 | space = min(minSpace, maxSpace); // do not promise more than asked | |
984 | } | |
985 | ||
a83c6ed6 | 986 | #if USE_ADAPTATION |
7dc79973 | 987 | if (responseBodyBuffer) { |
9e008dda | 988 | return 0; // Stop reading if already overflowed waiting for ICAP to catch up |
7dc79973 | 989 | } |
990 | ||
991 | if (virginBodyDestination != NULL) { | |
992 | /* | |
993 | * BodyPipe buffer has a finite size limit. We | |
994 | * should not read more data from the network than will fit | |
995 | * into the pipe buffer or we _lose_ what did not fit if | |
996 | * the response ends sooner that BodyPipe frees up space: | |
997 | * There is no code to keep pumping data into the pipe once | |
998 | * response ends and serverComplete() is called. | |
999 | * | |
1000 | * If the pipe is totally full, don't register the read handler. | |
1001 | * The BodyPipe will call our noteMoreBodySpaceAvailable() method | |
1002 | * when it has free space again. | |
1003 | */ | |
a83c6ed6 AR |
1004 | size_t adaptation_space = |
1005 | virginBodyDestination->buf().potentialSpaceSize(); | |
7dc79973 | 1006 | |
a83c6ed6 | 1007 | debugs(11,9, "ServerStateData may read up to min(" << |
9e008dda | 1008 | adaptation_space << ", " << space << ") bytes"); |
7dc79973 | 1009 | |
a83c6ed6 AR |
1010 | if (adaptation_space < space) |
1011 | space = adaptation_space; | |
7dc79973 | 1012 | } |
1013 | #endif | |
1014 | ||
1015 | return space; | |
1016 | } |