| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: acquire-item.cc,v 1.45 2002/04/26 05:35:57 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | Acquire Item - Item to acquire |
| 7 | |
| 8 | Each item can download to exactly one file at a time. This means you |
| 9 | cannot create an item that fetches two uri's to two files at the same |
| 10 | time. The pkgAcqIndex class creates a second class upon instantiation |
| 11 | to fetch the other index files because of this. |
| 12 | |
| 13 | ##################################################################### */ |
| 14 | /*}}}*/ |
| 15 | // Include Files /*{{{*/ |
| 16 | #ifdef __GNUG__ |
| 17 | #pragma implementation "apt-pkg/acquire-item.h" |
| 18 | #endif |
| 19 | #include <apt-pkg/acquire-item.h> |
| 20 | #include <apt-pkg/configuration.h> |
| 21 | #include <apt-pkg/sourcelist.h> |
| 22 | #include <apt-pkg/error.h> |
| 23 | #include <apt-pkg/strutl.h> |
| 24 | #include <apt-pkg/fileutl.h> |
| 25 | |
| 26 | #include <apti18n.h> |
| 27 | |
| 28 | #include <sys/stat.h> |
| 29 | #include <unistd.h> |
| 30 | #include <errno.h> |
| 31 | #include <string> |
| 32 | #include <stdio.h> |
| 33 | /*}}}*/ |
| 34 | |
| 35 | using std::string; |
| 36 | |
| 37 | // Acquire::Item::Item - Constructor /*{{{*/ |
| 38 | // --------------------------------------------------------------------- |
| 39 | /* */ |
| 40 | pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), |
| 41 | PartialSize(0), Mode(0), ID(0), Complete(false), |
| 42 | Local(false), QueueCounter(0) |
| 43 | { |
| 44 | Owner->Add(this); |
| 45 | Status = StatIdle; |
| 46 | } |
| 47 | /*}}}*/ |
| 48 | // Acquire::Item::~Item - Destructor /*{{{*/ |
| 49 | // --------------------------------------------------------------------- |
| 50 | /* */ |
| 51 | pkgAcquire::Item::~Item() |
| 52 | { |
| 53 | Owner->Remove(this); |
| 54 | } |
| 55 | /*}}}*/ |
| 56 | // Acquire::Item::Failed - Item failed to download /*{{{*/ |
| 57 | // --------------------------------------------------------------------- |
| 58 | /* We return to an idle state if there are still other queues that could |
| 59 | fetch this object */ |
| 60 | void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 61 | { |
| 62 | Status = StatIdle; |
| 63 | ErrorText = LookupTag(Message,"Message"); |
| 64 | if (QueueCounter <= 1) |
| 65 | { |
| 66 | /* This indicates that the file is not available right now but might |
| 67 | be sometime later. If we do a retry cycle then this should be |
| 68 | retried [CDROMs] */ |
| 69 | if (Cnf->LocalOnly == true && |
| 70 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 71 | { |
| 72 | Status = StatIdle; |
| 73 | Dequeue(); |
| 74 | return; |
| 75 | } |
| 76 | |
| 77 | Status = StatError; |
| 78 | Dequeue(); |
| 79 | } |
| 80 | } |
| 81 | /*}}}*/ |
| 82 | // Acquire::Item::Start - Item has begun to download /*{{{*/ |
| 83 | // --------------------------------------------------------------------- |
| 84 | /* Stash status and the file size. Note that setting Complete means |
| 85 | sub-phases of the acquire process such as decompresion are operating */ |
| 86 | void pkgAcquire::Item::Start(string /*Message*/,unsigned long Size) |
| 87 | { |
| 88 | Status = StatFetching; |
| 89 | if (FileSize == 0 && Complete == false) |
| 90 | FileSize = Size; |
| 91 | } |
| 92 | /*}}}*/ |
| 93 | // Acquire::Item::Done - Item downloaded OK /*{{{*/ |
| 94 | // --------------------------------------------------------------------- |
| 95 | /* */ |
| 96 | void pkgAcquire::Item::Done(string Message,unsigned long Size,string, |
| 97 | pkgAcquire::MethodConfig *Cnf) |
| 98 | { |
| 99 | // We just downloaded something.. |
| 100 | string FileName = LookupTag(Message,"Filename"); |
| 101 | if (Complete == false && FileName == DestFile) |
| 102 | { |
| 103 | if (Owner->Log != 0) |
| 104 | Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str())); |
| 105 | } |
| 106 | |
| 107 | if (FileSize == 0) |
| 108 | FileSize= Size; |
| 109 | |
| 110 | Status = StatDone; |
| 111 | ErrorText = string(); |
| 112 | Owner->Dequeue(this); |
| 113 | } |
| 114 | /*}}}*/ |
| 115 | // Acquire::Item::Rename - Rename a file /*{{{*/ |
| 116 | // --------------------------------------------------------------------- |
| 117 | /* This helper function is used by alot of item methods as thier final |
| 118 | step */ |
| 119 | void pkgAcquire::Item::Rename(string From,string To) |
| 120 | { |
| 121 | if (rename(From.c_str(),To.c_str()) != 0) |
| 122 | { |
| 123 | char S[300]; |
| 124 | sprintf(S,_("rename failed, %s (%s -> %s)."),strerror(errno), |
| 125 | From.c_str(),To.c_str()); |
| 126 | Status = StatError; |
| 127 | ErrorText = S; |
| 128 | } |
| 129 | } |
| 130 | /*}}}*/ |
| 131 | |
| 132 | // AcqIndex::AcqIndex - Constructor /*{{{*/ |
| 133 | // --------------------------------------------------------------------- |
| 134 | /* The package file is added to the queue and a second class is |
| 135 | instantiated to fetch the revision file */ |
| 136 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, |
| 137 | string URI,string URIDesc,string ShortDesc) : |
| 138 | Item(Owner), RealURI(URI) |
| 139 | { |
| 140 | Decompression = false; |
| 141 | Erase = false; |
| 142 | |
| 143 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 144 | DestFile += URItoFileName(URI); |
| 145 | |
| 146 | // Create the item |
| 147 | Desc.URI = URI + ".gz"; |
| 148 | Desc.Description = URIDesc; |
| 149 | Desc.Owner = this; |
| 150 | Desc.ShortDesc = ShortDesc; |
| 151 | |
| 152 | QueueURI(Desc); |
| 153 | } |
| 154 | /*}}}*/ |
| 155 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
| 156 | // --------------------------------------------------------------------- |
| 157 | /* The only header we use is the last-modified header. */ |
| 158 | string pkgAcqIndex::Custom600Headers() |
| 159 | { |
| 160 | string Final = _config->FindDir("Dir::State::lists"); |
| 161 | Final += URItoFileName(RealURI); |
| 162 | |
| 163 | struct stat Buf; |
| 164 | if (stat(Final.c_str(),&Buf) != 0) |
| 165 | return "\nIndex-File: true"; |
| 166 | |
| 167 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
| 168 | } |
| 169 | /*}}}*/ |
| 170 | // AcqIndex::Done - Finished a fetch /*{{{*/ |
| 171 | // --------------------------------------------------------------------- |
| 172 | /* This goes through a number of states.. On the initial fetch the |
| 173 | method could possibly return an alternate filename which points |
| 174 | to the uncompressed version of the file. If this is so the file |
| 175 | is copied into the partial directory. In all other cases the file |
| 176 | is decompressed with a gzip uri. */ |
| 177 | void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5, |
| 178 | pkgAcquire::MethodConfig *Cfg) |
| 179 | { |
| 180 | Item::Done(Message,Size,MD5,Cfg); |
| 181 | |
| 182 | if (Decompression == true) |
| 183 | { |
| 184 | // Done, move it into position |
| 185 | string FinalFile = _config->FindDir("Dir::State::lists"); |
| 186 | FinalFile += URItoFileName(RealURI); |
| 187 | Rename(DestFile,FinalFile); |
| 188 | chmod(FinalFile.c_str(),0644); |
| 189 | |
| 190 | /* We restore the original name to DestFile so that the clean operation |
| 191 | will work OK */ |
| 192 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 193 | DestFile += URItoFileName(RealURI); |
| 194 | |
| 195 | // Remove the compressed version. |
| 196 | if (Erase == true) |
| 197 | unlink(DestFile.c_str()); |
| 198 | return; |
| 199 | } |
| 200 | |
| 201 | Erase = false; |
| 202 | Complete = true; |
| 203 | |
| 204 | // Handle the unzipd case |
| 205 | string FileName = LookupTag(Message,"Alt-Filename"); |
| 206 | if (FileName.empty() == false) |
| 207 | { |
| 208 | // The files timestamp matches |
| 209 | if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) |
| 210 | return; |
| 211 | |
| 212 | Decompression = true; |
| 213 | Local = true; |
| 214 | DestFile += ".decomp"; |
| 215 | Desc.URI = "copy:" + FileName; |
| 216 | QueueURI(Desc); |
| 217 | Mode = "copy"; |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | FileName = LookupTag(Message,"Filename"); |
| 222 | if (FileName.empty() == true) |
| 223 | { |
| 224 | Status = StatError; |
| 225 | ErrorText = "Method gave a blank filename"; |
| 226 | } |
| 227 | |
| 228 | // The files timestamp matches |
| 229 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 230 | return; |
| 231 | |
| 232 | if (FileName == DestFile) |
| 233 | Erase = true; |
| 234 | else |
| 235 | Local = true; |
| 236 | |
| 237 | Decompression = true; |
| 238 | DestFile += ".decomp"; |
| 239 | Desc.URI = "gzip:" + FileName; |
| 240 | QueueURI(Desc); |
| 241 | Mode = "gzip"; |
| 242 | } |
| 243 | /*}}}*/ |
| 244 | |
| 245 | // AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/ |
| 246 | // --------------------------------------------------------------------- |
| 247 | /* The Release file is added to the queue */ |
| 248 | pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner, |
| 249 | string URI,string URIDesc,string ShortDesc) : |
| 250 | Item(Owner), RealURI(URI) |
| 251 | { |
| 252 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 253 | DestFile += URItoFileName(URI); |
| 254 | |
| 255 | // Create the item |
| 256 | Desc.URI = URI; |
| 257 | Desc.Description = URIDesc; |
| 258 | Desc.ShortDesc = ShortDesc; |
| 259 | Desc.Owner = this; |
| 260 | |
| 261 | QueueURI(Desc); |
| 262 | } |
| 263 | /*}}}*/ |
| 264 | // AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/ |
| 265 | // --------------------------------------------------------------------- |
| 266 | /* The only header we use is the last-modified header. */ |
| 267 | string pkgAcqIndexRel::Custom600Headers() |
| 268 | { |
| 269 | string Final = _config->FindDir("Dir::State::lists"); |
| 270 | Final += URItoFileName(RealURI); |
| 271 | |
| 272 | struct stat Buf; |
| 273 | if (stat(Final.c_str(),&Buf) != 0) |
| 274 | return "\nIndex-File: true"; |
| 275 | |
| 276 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
| 277 | } |
| 278 | /*}}}*/ |
| 279 | // AcqIndexRel::Done - Item downloaded OK /*{{{*/ |
| 280 | // --------------------------------------------------------------------- |
| 281 | /* The release file was not placed into the download directory then |
| 282 | a copy URI is generated and it is copied there otherwise the file |
| 283 | in the partial directory is moved into .. and the URI is finished. */ |
| 284 | void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5, |
| 285 | pkgAcquire::MethodConfig *Cfg) |
| 286 | { |
| 287 | Item::Done(Message,Size,MD5,Cfg); |
| 288 | |
| 289 | string FileName = LookupTag(Message,"Filename"); |
| 290 | if (FileName.empty() == true) |
| 291 | { |
| 292 | Status = StatError; |
| 293 | ErrorText = "Method gave a blank filename"; |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | Complete = true; |
| 298 | |
| 299 | // The files timestamp matches |
| 300 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 301 | return; |
| 302 | |
| 303 | // We have to copy it into place |
| 304 | if (FileName != DestFile) |
| 305 | { |
| 306 | Local = true; |
| 307 | Desc.URI = "copy:" + FileName; |
| 308 | QueueURI(Desc); |
| 309 | return; |
| 310 | } |
| 311 | |
| 312 | // Done, move it into position |
| 313 | string FinalFile = _config->FindDir("Dir::State::lists"); |
| 314 | FinalFile += URItoFileName(RealURI); |
| 315 | Rename(DestFile,FinalFile); |
| 316 | |
| 317 | chmod(FinalFile.c_str(),0644); |
| 318 | } |
| 319 | /*}}}*/ |
| 320 | // AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/ |
| 321 | // --------------------------------------------------------------------- |
| 322 | /* */ |
| 323 | void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 324 | { |
| 325 | if (Cnf->LocalOnly == true || |
| 326 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) |
| 327 | { |
| 328 | // Ignore this |
| 329 | Status = StatDone; |
| 330 | Complete = false; |
| 331 | Dequeue(); |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | Item::Failed(Message,Cnf); |
| 336 | } |
| 337 | /*}}}*/ |
| 338 | |
| 339 | // AcqArchive::AcqArchive - Constructor /*{{{*/ |
| 340 | // --------------------------------------------------------------------- |
| 341 | /* This just sets up the initial fetch environment and queues the first |
| 342 | possibilitiy */ |
| 343 | pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, |
| 344 | pkgRecords *Recs,pkgCache::VerIterator const &Version, |
| 345 | string &StoreFilename) : |
| 346 | Item(Owner), Version(Version), Sources(Sources), Recs(Recs), |
| 347 | StoreFilename(StoreFilename), Vf(Version.FileList()) |
| 348 | { |
| 349 | Retries = _config->FindI("Acquire::Retries",0); |
| 350 | |
| 351 | if (Version.Arch() == 0) |
| 352 | { |
| 353 | _error->Error(_("I wasn't able to locate a file for the %s package. " |
| 354 | "This might mean you need to manually fix this package. " |
| 355 | "(due to missing arch)"), |
| 356 | Version.ParentPkg().Name()); |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | /* We need to find a filename to determine the extension. We make the |
| 361 | assumption here that all the available sources for this version share |
| 362 | the same extension.. */ |
| 363 | // Skip not source sources, they do not have file fields. |
| 364 | for (; Vf.end() == false; Vf++) |
| 365 | { |
| 366 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) |
| 367 | continue; |
| 368 | break; |
| 369 | } |
| 370 | |
| 371 | // Does not really matter here.. we are going to fail out below |
| 372 | if (Vf.end() != true) |
| 373 | { |
| 374 | // If this fails to get a file name we will bomb out below. |
| 375 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); |
| 376 | if (_error->PendingError() == true) |
| 377 | return; |
| 378 | |
| 379 | // Generate the final file name as: package_version_arch.foo |
| 380 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + |
| 381 | QuoteString(Version.VerStr(),"_:") + '_' + |
| 382 | QuoteString(Version.Arch(),"_:.") + |
| 383 | "." + flExtension(Parse.FileName()); |
| 384 | } |
| 385 | |
| 386 | // Select a source |
| 387 | if (QueueNext() == false && _error->PendingError() == false) |
| 388 | _error->Error(_("I wasn't able to locate file for the %s package. " |
| 389 | "This might mean you need to manually fix this package."), |
| 390 | Version.ParentPkg().Name()); |
| 391 | } |
| 392 | /*}}}*/ |
| 393 | // AcqArchive::QueueNext - Queue the next file source /*{{{*/ |
| 394 | // --------------------------------------------------------------------- |
| 395 | /* This queues the next available file version for download. It checks if |
| 396 | the archive is already available in the cache and stashs the MD5 for |
| 397 | checking later. */ |
| 398 | bool pkgAcqArchive::QueueNext() |
| 399 | { |
| 400 | for (; Vf.end() == false; Vf++) |
| 401 | { |
| 402 | // Ignore not source sources |
| 403 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) |
| 404 | continue; |
| 405 | |
| 406 | // Try to cross match against the source list |
| 407 | pkgIndexFile *Index; |
| 408 | if (Sources->FindIndex(Vf.File(),Index) == false) |
| 409 | continue; |
| 410 | |
| 411 | // Grab the text package record |
| 412 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); |
| 413 | if (_error->PendingError() == true) |
| 414 | return false; |
| 415 | |
| 416 | string PkgFile = Parse.FileName(); |
| 417 | MD5 = Parse.MD5Hash(); |
| 418 | if (PkgFile.empty() == true) |
| 419 | return _error->Error(_("The package index files are corrupted. No Filename: " |
| 420 | "field for package %s."), |
| 421 | Version.ParentPkg().Name()); |
| 422 | |
| 423 | // See if we already have the file. (Legacy filenames) |
| 424 | FileSize = Version->Size; |
| 425 | string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); |
| 426 | struct stat Buf; |
| 427 | if (stat(FinalFile.c_str(),&Buf) == 0) |
| 428 | { |
| 429 | // Make sure the size matches |
| 430 | if ((unsigned)Buf.st_size == Version->Size) |
| 431 | { |
| 432 | Complete = true; |
| 433 | Local = true; |
| 434 | Status = StatDone; |
| 435 | StoreFilename = DestFile = FinalFile; |
| 436 | return true; |
| 437 | } |
| 438 | |
| 439 | /* Hmm, we have a file and its size does not match, this means it is |
| 440 | an old style mismatched arch */ |
| 441 | unlink(FinalFile.c_str()); |
| 442 | } |
| 443 | |
| 444 | // Check it again using the new style output filenames |
| 445 | FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); |
| 446 | if (stat(FinalFile.c_str(),&Buf) == 0) |
| 447 | { |
| 448 | // Make sure the size matches |
| 449 | if ((unsigned)Buf.st_size == Version->Size) |
| 450 | { |
| 451 | Complete = true; |
| 452 | Local = true; |
| 453 | Status = StatDone; |
| 454 | StoreFilename = DestFile = FinalFile; |
| 455 | return true; |
| 456 | } |
| 457 | |
| 458 | /* Hmm, we have a file and its size does not match, this shouldnt |
| 459 | happen.. */ |
| 460 | unlink(FinalFile.c_str()); |
| 461 | } |
| 462 | |
| 463 | DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); |
| 464 | |
| 465 | // Check the destination file |
| 466 | if (stat(DestFile.c_str(),&Buf) == 0) |
| 467 | { |
| 468 | // Hmm, the partial file is too big, erase it |
| 469 | if ((unsigned)Buf.st_size > Version->Size) |
| 470 | unlink(DestFile.c_str()); |
| 471 | else |
| 472 | PartialSize = Buf.st_size; |
| 473 | } |
| 474 | |
| 475 | // Create the item |
| 476 | Local = false; |
| 477 | Desc.URI = Index->ArchiveURI(PkgFile); |
| 478 | Desc.Description = Index->ArchiveInfo(Version); |
| 479 | Desc.Owner = this; |
| 480 | Desc.ShortDesc = Version.ParentPkg().Name(); |
| 481 | QueueURI(Desc); |
| 482 | |
| 483 | Vf++; |
| 484 | return true; |
| 485 | } |
| 486 | return false; |
| 487 | } |
| 488 | /*}}}*/ |
| 489 | // AcqArchive::Done - Finished fetching /*{{{*/ |
| 490 | // --------------------------------------------------------------------- |
| 491 | /* */ |
| 492 | void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash, |
| 493 | pkgAcquire::MethodConfig *Cfg) |
| 494 | { |
| 495 | Item::Done(Message,Size,Md5Hash,Cfg); |
| 496 | |
| 497 | // Check the size |
| 498 | if (Size != Version->Size) |
| 499 | { |
| 500 | Status = StatError; |
| 501 | ErrorText = _("Size mismatch"); |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | // Check the md5 |
| 506 | if (Md5Hash.empty() == false && MD5.empty() == false) |
| 507 | { |
| 508 | if (Md5Hash != MD5) |
| 509 | { |
| 510 | Status = StatError; |
| 511 | ErrorText = _("MD5Sum mismatch"); |
| 512 | Rename(DestFile,DestFile + ".FAILED"); |
| 513 | return; |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | // Grab the output filename |
| 518 | string FileName = LookupTag(Message,"Filename"); |
| 519 | if (FileName.empty() == true) |
| 520 | { |
| 521 | Status = StatError; |
| 522 | ErrorText = "Method gave a blank filename"; |
| 523 | return; |
| 524 | } |
| 525 | |
| 526 | Complete = true; |
| 527 | |
| 528 | // Reference filename |
| 529 | if (FileName != DestFile) |
| 530 | { |
| 531 | StoreFilename = DestFile = FileName; |
| 532 | Local = true; |
| 533 | return; |
| 534 | } |
| 535 | |
| 536 | // Done, move it into position |
| 537 | string FinalFile = _config->FindDir("Dir::Cache::Archives"); |
| 538 | FinalFile += flNotDir(StoreFilename); |
| 539 | Rename(DestFile,FinalFile); |
| 540 | |
| 541 | StoreFilename = DestFile = FinalFile; |
| 542 | Complete = true; |
| 543 | } |
| 544 | /*}}}*/ |
| 545 | // AcqArchive::Failed - Failure handler /*{{{*/ |
| 546 | // --------------------------------------------------------------------- |
| 547 | /* Here we try other sources */ |
| 548 | void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 549 | { |
| 550 | ErrorText = LookupTag(Message,"Message"); |
| 551 | |
| 552 | /* We don't really want to retry on failed media swaps, this prevents |
| 553 | that. An interesting observation is that permanent failures are not |
| 554 | recorded. */ |
| 555 | if (Cnf->Removable == true && |
| 556 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 557 | { |
| 558 | // Vf = Version.FileList(); |
| 559 | while (Vf.end() == false) Vf++; |
| 560 | StoreFilename = string(); |
| 561 | Item::Failed(Message,Cnf); |
| 562 | return; |
| 563 | } |
| 564 | |
| 565 | if (QueueNext() == false) |
| 566 | { |
| 567 | // This is the retry counter |
| 568 | if (Retries != 0 && |
| 569 | Cnf->LocalOnly == false && |
| 570 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 571 | { |
| 572 | Retries--; |
| 573 | Vf = Version.FileList(); |
| 574 | if (QueueNext() == true) |
| 575 | return; |
| 576 | } |
| 577 | |
| 578 | StoreFilename = string(); |
| 579 | Item::Failed(Message,Cnf); |
| 580 | } |
| 581 | } |
| 582 | /*}}}*/ |
| 583 | // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ |
| 584 | // --------------------------------------------------------------------- |
| 585 | /* */ |
| 586 | void pkgAcqArchive::Finished() |
| 587 | { |
| 588 | if (Status == pkgAcquire::Item::StatDone && |
| 589 | Complete == true) |
| 590 | return; |
| 591 | StoreFilename = string(); |
| 592 | } |
| 593 | /*}}}*/ |
| 594 | |
| 595 | // AcqFile::pkgAcqFile - Constructor /*{{{*/ |
| 596 | // --------------------------------------------------------------------- |
| 597 | /* The file is added to the queue */ |
| 598 | pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5, |
| 599 | unsigned long Size,string Dsc,string ShortDesc) : |
| 600 | Item(Owner), Md5Hash(MD5) |
| 601 | { |
| 602 | Retries = _config->FindI("Acquire::Retries",0); |
| 603 | |
| 604 | DestFile = flNotDir(URI); |
| 605 | |
| 606 | // Create the item |
| 607 | Desc.URI = URI; |
| 608 | Desc.Description = Dsc; |
| 609 | Desc.Owner = this; |
| 610 | |
| 611 | // Set the short description to the archive component |
| 612 | Desc.ShortDesc = ShortDesc; |
| 613 | |
| 614 | // Get the transfer sizes |
| 615 | FileSize = Size; |
| 616 | struct stat Buf; |
| 617 | if (stat(DestFile.c_str(),&Buf) == 0) |
| 618 | { |
| 619 | // Hmm, the partial file is too big, erase it |
| 620 | if ((unsigned)Buf.st_size > Size) |
| 621 | unlink(DestFile.c_str()); |
| 622 | else |
| 623 | PartialSize = Buf.st_size; |
| 624 | } |
| 625 | |
| 626 | QueueURI(Desc); |
| 627 | } |
| 628 | /*}}}*/ |
| 629 | // AcqFile::Done - Item downloaded OK /*{{{*/ |
| 630 | // --------------------------------------------------------------------- |
| 631 | /* */ |
| 632 | void pkgAcqFile::Done(string Message,unsigned long Size,string MD5, |
| 633 | pkgAcquire::MethodConfig *Cnf) |
| 634 | { |
| 635 | // Check the md5 |
| 636 | if (Md5Hash.empty() == false && MD5.empty() == false) |
| 637 | { |
| 638 | if (Md5Hash != MD5) |
| 639 | { |
| 640 | Status = StatError; |
| 641 | ErrorText = "MD5Sum mismatch"; |
| 642 | Rename(DestFile,DestFile + ".FAILED"); |
| 643 | return; |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | Item::Done(Message,Size,MD5,Cnf); |
| 648 | |
| 649 | string FileName = LookupTag(Message,"Filename"); |
| 650 | if (FileName.empty() == true) |
| 651 | { |
| 652 | Status = StatError; |
| 653 | ErrorText = "Method gave a blank filename"; |
| 654 | return; |
| 655 | } |
| 656 | |
| 657 | Complete = true; |
| 658 | |
| 659 | // The files timestamp matches |
| 660 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 661 | return; |
| 662 | |
| 663 | // We have to copy it into place |
| 664 | if (FileName != DestFile) |
| 665 | { |
| 666 | Local = true; |
| 667 | if (_config->FindB("Acquire::Source-Symlinks",true) == false || |
| 668 | Cnf->Removable == true) |
| 669 | { |
| 670 | Desc.URI = "copy:" + FileName; |
| 671 | QueueURI(Desc); |
| 672 | return; |
| 673 | } |
| 674 | |
| 675 | // Erase the file if it is a symlink so we can overwrite it |
| 676 | struct stat St; |
| 677 | if (lstat(DestFile.c_str(),&St) == 0) |
| 678 | { |
| 679 | if (S_ISLNK(St.st_mode) != 0) |
| 680 | unlink(DestFile.c_str()); |
| 681 | } |
| 682 | |
| 683 | // Symlink the file |
| 684 | if (symlink(FileName.c_str(),DestFile.c_str()) != 0) |
| 685 | { |
| 686 | ErrorText = "Link to " + DestFile + " failure "; |
| 687 | Status = StatError; |
| 688 | Complete = false; |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | /*}}}*/ |
| 693 | // AcqFile::Failed - Failure handler /*{{{*/ |
| 694 | // --------------------------------------------------------------------- |
| 695 | /* Here we try other sources */ |
| 696 | void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 697 | { |
| 698 | ErrorText = LookupTag(Message,"Message"); |
| 699 | |
| 700 | // This is the retry counter |
| 701 | if (Retries != 0 && |
| 702 | Cnf->LocalOnly == false && |
| 703 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 704 | { |
| 705 | Retries--; |
| 706 | QueueURI(Desc); |
| 707 | return; |
| 708 | } |
| 709 | |
| 710 | Item::Failed(Message,Cnf); |
| 711 | } |
| 712 | /*}}}*/ |