| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: acquire-item.cc,v 1.38 1999/10/17 07:30:23 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/error.h> |
| 22 | #include <apt-pkg/strutl.h> |
| 23 | #include <apt-pkg/fileutl.h> |
| 24 | |
| 25 | #include <sys/stat.h> |
| 26 | #include <unistd.h> |
| 27 | #include <errno.h> |
| 28 | #include <string.h> |
| 29 | #include <stdio.h> |
| 30 | /*}}}*/ |
| 31 | |
| 32 | // Acquire::Item::Item - Constructor /*{{{*/ |
| 33 | // --------------------------------------------------------------------- |
| 34 | /* */ |
| 35 | pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), |
| 36 | PartialSize(0), Mode(0), ID(0), Complete(false), |
| 37 | Local(false), QueueCounter(0) |
| 38 | { |
| 39 | Owner->Add(this); |
| 40 | Status = StatIdle; |
| 41 | } |
| 42 | /*}}}*/ |
| 43 | // Acquire::Item::~Item - Destructor /*{{{*/ |
| 44 | // --------------------------------------------------------------------- |
| 45 | /* */ |
| 46 | pkgAcquire::Item::~Item() |
| 47 | { |
| 48 | Owner->Remove(this); |
| 49 | } |
| 50 | /*}}}*/ |
| 51 | // Acquire::Item::Failed - Item failed to download /*{{{*/ |
| 52 | // --------------------------------------------------------------------- |
| 53 | /* We return to an idle state if there are still other queues that could |
| 54 | fetch this object */ |
| 55 | void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 56 | { |
| 57 | Status = StatIdle; |
| 58 | ErrorText = LookupTag(Message,"Message"); |
| 59 | if (QueueCounter <= 1) |
| 60 | { |
| 61 | /* This indicates that the file is not available right now but might |
| 62 | be sometime later. If we do a retry cycle then this should be |
| 63 | retried [CDROMs] */ |
| 64 | if (Cnf->LocalOnly == true && |
| 65 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 66 | { |
| 67 | Status = StatIdle; |
| 68 | Dequeue(); |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | Status = StatError; |
| 73 | Dequeue(); |
| 74 | } |
| 75 | } |
| 76 | /*}}}*/ |
| 77 | // Acquire::Item::Start - Item has begun to download /*{{{*/ |
| 78 | // --------------------------------------------------------------------- |
| 79 | /* Stash status and the file size. Note that setting Complete means |
| 80 | sub-phases of the acquire process such as decompresion are operating */ |
| 81 | void pkgAcquire::Item::Start(string /*Message*/,unsigned long Size) |
| 82 | { |
| 83 | Status = StatFetching; |
| 84 | if (FileSize == 0 && Complete == false) |
| 85 | FileSize = Size; |
| 86 | } |
| 87 | /*}}}*/ |
| 88 | // Acquire::Item::Done - Item downloaded OK /*{{{*/ |
| 89 | // --------------------------------------------------------------------- |
| 90 | /* */ |
| 91 | void pkgAcquire::Item::Done(string Message,unsigned long Size,string) |
| 92 | { |
| 93 | // We just downloaded something.. |
| 94 | string FileName = LookupTag(Message,"Filename"); |
| 95 | if (Complete == false && FileName == DestFile) |
| 96 | { |
| 97 | if (Owner->Log != 0) |
| 98 | Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str())); |
| 99 | } |
| 100 | |
| 101 | if (FileSize == 0) |
| 102 | FileSize= Size; |
| 103 | |
| 104 | Status = StatDone; |
| 105 | ErrorText = string(); |
| 106 | Owner->Dequeue(this); |
| 107 | } |
| 108 | /*}}}*/ |
| 109 | // Acquire::Item::Rename - Rename a file /*{{{*/ |
| 110 | // --------------------------------------------------------------------- |
| 111 | /* This helper function is used by alot of item methods as thier final |
| 112 | step */ |
| 113 | void pkgAcquire::Item::Rename(string From,string To) |
| 114 | { |
| 115 | if (rename(From.c_str(),To.c_str()) != 0) |
| 116 | { |
| 117 | char S[300]; |
| 118 | sprintf(S,"rename failed, %s (%s -> %s).",strerror(errno), |
| 119 | From.c_str(),To.c_str()); |
| 120 | Status = StatError; |
| 121 | ErrorText = S; |
| 122 | } |
| 123 | } |
| 124 | /*}}}*/ |
| 125 | |
| 126 | // AcqIndex::AcqIndex - Constructor /*{{{*/ |
| 127 | // --------------------------------------------------------------------- |
| 128 | /* The package file is added to the queue and a second class is |
| 129 | instantiated to fetch the revision file */ |
| 130 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location) : |
| 131 | Item(Owner), Location(Location) |
| 132 | { |
| 133 | Decompression = false; |
| 134 | Erase = false; |
| 135 | |
| 136 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 137 | DestFile += URItoFileName(Location->PackagesURI()); |
| 138 | |
| 139 | // Create the item |
| 140 | Desc.URI = Location->PackagesURI() + ".gz"; |
| 141 | Desc.Description = Location->PackagesInfo(); |
| 142 | Desc.Owner = this; |
| 143 | |
| 144 | // Set the short description to the archive component |
| 145 | if (Location->Dist[Location->Dist.size() - 1] == '/') |
| 146 | Desc.ShortDesc = Location->Dist; |
| 147 | else |
| 148 | Desc.ShortDesc = Location->Dist + '/' + Location->Section; |
| 149 | |
| 150 | QueueURI(Desc); |
| 151 | |
| 152 | // Create the Release fetch class |
| 153 | new pkgAcqIndexRel(Owner,Location); |
| 154 | } |
| 155 | /*}}}*/ |
| 156 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
| 157 | // --------------------------------------------------------------------- |
| 158 | /* The only header we use is the last-modified header. */ |
| 159 | string pkgAcqIndex::Custom600Headers() |
| 160 | { |
| 161 | string Final = _config->FindDir("Dir::State::lists"); |
| 162 | Final += URItoFileName(Location->PackagesURI()); |
| 163 | |
| 164 | struct stat Buf; |
| 165 | if (stat(Final.c_str(),&Buf) != 0) |
| 166 | return "\nIndex-File: true"; |
| 167 | |
| 168 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
| 169 | } |
| 170 | /*}}}*/ |
| 171 | // AcqIndex::Done - Finished a fetch /*{{{*/ |
| 172 | // --------------------------------------------------------------------- |
| 173 | /* This goes through a number of states.. On the initial fetch the |
| 174 | method could possibly return an alternate filename which points |
| 175 | to the uncompressed version of the file. If this is so the file |
| 176 | is copied into the partial directory. In all other cases the file |
| 177 | is decompressed with a gzip uri. */ |
| 178 | void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5) |
| 179 | { |
| 180 | Item::Done(Message,Size,MD5); |
| 181 | |
| 182 | if (Decompression == true) |
| 183 | { |
| 184 | // Done, move it into position |
| 185 | string FinalFile = _config->FindDir("Dir::State::lists"); |
| 186 | FinalFile += URItoFileName(Location->PackagesURI()); |
| 187 | Rename(DestFile,FinalFile); |
| 188 | |
| 189 | /* We restore the original name to DestFile so that the clean operation |
| 190 | will work OK */ |
| 191 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 192 | DestFile += URItoFileName(Location->PackagesURI()); |
| 193 | |
| 194 | // Remove the compressed version. |
| 195 | if (Erase == true) |
| 196 | unlink(DestFile.c_str()); |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | Erase = false; |
| 201 | Complete = true; |
| 202 | |
| 203 | // Handle the unzipd case |
| 204 | string FileName = LookupTag(Message,"Alt-Filename"); |
| 205 | if (FileName.empty() == false) |
| 206 | { |
| 207 | // The files timestamp matches |
| 208 | if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) |
| 209 | return; |
| 210 | |
| 211 | Decompression = true; |
| 212 | Local = true; |
| 213 | DestFile += ".decomp"; |
| 214 | Desc.URI = "copy:" + FileName; |
| 215 | QueueURI(Desc); |
| 216 | Mode = "copy"; |
| 217 | return; |
| 218 | } |
| 219 | |
| 220 | FileName = LookupTag(Message,"Filename"); |
| 221 | if (FileName.empty() == true) |
| 222 | { |
| 223 | Status = StatError; |
| 224 | ErrorText = "Method gave a blank filename"; |
| 225 | } |
| 226 | |
| 227 | // The files timestamp matches |
| 228 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 229 | return; |
| 230 | |
| 231 | if (FileName == DestFile) |
| 232 | Erase = true; |
| 233 | else |
| 234 | Local = true; |
| 235 | |
| 236 | Decompression = true; |
| 237 | DestFile += ".decomp"; |
| 238 | Desc.URI = "gzip:" + FileName,Location->PackagesInfo(); |
| 239 | QueueURI(Desc); |
| 240 | Mode = "gzip"; |
| 241 | } |
| 242 | /*}}}*/ |
| 243 | |
| 244 | // AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/ |
| 245 | // --------------------------------------------------------------------- |
| 246 | /* The Release file is added to the queue */ |
| 247 | pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner, |
| 248 | const pkgSourceList::Item *Location) : |
| 249 | Item(Owner), Location(Location) |
| 250 | { |
| 251 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
| 252 | DestFile += URItoFileName(Location->ReleaseURI()); |
| 253 | |
| 254 | // Create the item |
| 255 | Desc.URI = Location->ReleaseURI(); |
| 256 | Desc.Description = Location->ReleaseInfo(); |
| 257 | Desc.Owner = this; |
| 258 | |
| 259 | // Set the short description to the archive component |
| 260 | if (Location->Dist[Location->Dist.size() - 1] == '/') |
| 261 | Desc.ShortDesc = Location->Dist; |
| 262 | else |
| 263 | Desc.ShortDesc = Location->Dist + '/' + Location->Section; |
| 264 | |
| 265 | QueueURI(Desc); |
| 266 | } |
| 267 | /*}}}*/ |
| 268 | // AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/ |
| 269 | // --------------------------------------------------------------------- |
| 270 | /* The only header we use is the last-modified header. */ |
| 271 | string pkgAcqIndexRel::Custom600Headers() |
| 272 | { |
| 273 | string Final = _config->FindDir("Dir::State::lists"); |
| 274 | Final += URItoFileName(Location->ReleaseURI()); |
| 275 | |
| 276 | struct stat Buf; |
| 277 | if (stat(Final.c_str(),&Buf) != 0) |
| 278 | return "\nIndex-File: true"; |
| 279 | |
| 280 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
| 281 | } |
| 282 | /*}}}*/ |
| 283 | // AcqIndexRel::Done - Item downloaded OK /*{{{*/ |
| 284 | // --------------------------------------------------------------------- |
| 285 | /* The release file was not placed into the download directory then |
| 286 | a copy URI is generated and it is copied there otherwise the file |
| 287 | in the partial directory is moved into .. and the URI is finished. */ |
| 288 | void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5) |
| 289 | { |
| 290 | Item::Done(Message,Size,MD5); |
| 291 | |
| 292 | string FileName = LookupTag(Message,"Filename"); |
| 293 | if (FileName.empty() == true) |
| 294 | { |
| 295 | Status = StatError; |
| 296 | ErrorText = "Method gave a blank filename"; |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | Complete = true; |
| 301 | |
| 302 | // The files timestamp matches |
| 303 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 304 | return; |
| 305 | |
| 306 | // We have to copy it into place |
| 307 | if (FileName != DestFile) |
| 308 | { |
| 309 | Local = true; |
| 310 | Desc.URI = "copy:" + FileName; |
| 311 | QueueURI(Desc); |
| 312 | return; |
| 313 | } |
| 314 | |
| 315 | // Done, move it into position |
| 316 | string FinalFile = _config->FindDir("Dir::State::lists"); |
| 317 | FinalFile += URItoFileName(Location->ReleaseURI()); |
| 318 | Rename(DestFile,FinalFile); |
| 319 | } |
| 320 | /*}}}*/ |
| 321 | // AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/ |
| 322 | // --------------------------------------------------------------------- |
| 323 | /* */ |
| 324 | void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 325 | { |
| 326 | if (Cnf->LocalOnly == true || |
| 327 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) |
| 328 | { |
| 329 | // Ignore this |
| 330 | Status = StatDone; |
| 331 | Complete = false; |
| 332 | Dequeue(); |
| 333 | return; |
| 334 | } |
| 335 | |
| 336 | Item::Failed(Message,Cnf); |
| 337 | } |
| 338 | /*}}}*/ |
| 339 | |
| 340 | // AcqArchive::AcqArchive - Constructor /*{{{*/ |
| 341 | // --------------------------------------------------------------------- |
| 342 | /* This just sets up the initial fetch environment and queues the first |
| 343 | possibilitiy */ |
| 344 | pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, |
| 345 | pkgRecords *Recs,pkgCache::VerIterator const &Version, |
| 346 | string &StoreFilename) : |
| 347 | Item(Owner), Version(Version), Sources(Sources), Recs(Recs), |
| 348 | StoreFilename(StoreFilename), Vf(Version.FileList()) |
| 349 | { |
| 350 | Retries = _config->FindI("Acquire::Retries",0); |
| 351 | |
| 352 | if (Version.Arch() == 0) |
| 353 | { |
| 354 | _error->Error("I wasn't able to locate file for the %s package. " |
| 355 | "This might mean you need to manually fix this package. (due to missing arch)", |
| 356 | Version.ParentPkg().Name()); |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | // Generate the final file name as: package_version_arch.deb |
| 361 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + |
| 362 | QuoteString(Version.VerStr(),"_:") + '_' + |
| 363 | QuoteString(Version.Arch(),"_:.") + ".deb"; |
| 364 | |
| 365 | // Select a source |
| 366 | if (QueueNext() == false && _error->PendingError() == false) |
| 367 | _error->Error("I wasn't able to locate file for the %s package. " |
| 368 | "This might mean you need to manually fix this package.", |
| 369 | Version.ParentPkg().Name()); |
| 370 | } |
| 371 | /*}}}*/ |
| 372 | // AcqArchive::QueueNext - Queue the next file source /*{{{*/ |
| 373 | // --------------------------------------------------------------------- |
| 374 | /* This queues the next available file version for download. It checks if |
| 375 | the archive is already available in the cache and stashs the MD5 for |
| 376 | checking later. */ |
| 377 | bool pkgAcqArchive::QueueNext() |
| 378 | { |
| 379 | for (; Vf.end() == false; Vf++) |
| 380 | { |
| 381 | // Ignore not source sources |
| 382 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) |
| 383 | continue; |
| 384 | |
| 385 | // Try to cross match against the source list |
| 386 | string PkgFile = flNotDir(Vf.File().FileName()); |
| 387 | pkgSourceList::const_iterator Location; |
| 388 | for (Location = Sources->begin(); Location != Sources->end(); Location++) |
| 389 | if (PkgFile == URItoFileName(Location->PackagesURI())) |
| 390 | break; |
| 391 | |
| 392 | if (Location == Sources->end()) |
| 393 | continue; |
| 394 | |
| 395 | // Grab the text package record |
| 396 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); |
| 397 | if (_error->PendingError() == true) |
| 398 | return false; |
| 399 | |
| 400 | PkgFile = Parse.FileName(); |
| 401 | MD5 = Parse.MD5Hash(); |
| 402 | if (PkgFile.empty() == true) |
| 403 | return _error->Error("The package index files are corrupted. No Filename: " |
| 404 | "field for package %s." |
| 405 | ,Version.ParentPkg().Name()); |
| 406 | |
| 407 | // See if we already have the file. (Legacy filenames) |
| 408 | FileSize = Version->Size; |
| 409 | string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); |
| 410 | struct stat Buf; |
| 411 | if (stat(FinalFile.c_str(),&Buf) == 0) |
| 412 | { |
| 413 | // Make sure the size matches |
| 414 | if ((unsigned)Buf.st_size == Version->Size) |
| 415 | { |
| 416 | Complete = true; |
| 417 | Local = true; |
| 418 | Status = StatDone; |
| 419 | StoreFilename = DestFile = FinalFile; |
| 420 | return true; |
| 421 | } |
| 422 | |
| 423 | /* Hmm, we have a file and its size does not match, this means it is |
| 424 | an old style mismatched arch */ |
| 425 | unlink(FinalFile.c_str()); |
| 426 | } |
| 427 | |
| 428 | // Check it again using the new style output filenames |
| 429 | FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); |
| 430 | if (stat(FinalFile.c_str(),&Buf) == 0) |
| 431 | { |
| 432 | // Make sure the size matches |
| 433 | if ((unsigned)Buf.st_size == Version->Size) |
| 434 | { |
| 435 | Complete = true; |
| 436 | Local = true; |
| 437 | Status = StatDone; |
| 438 | StoreFilename = DestFile = FinalFile; |
| 439 | return true; |
| 440 | } |
| 441 | |
| 442 | /* Hmm, we have a file and its size does not match, this shouldnt |
| 443 | happen.. */ |
| 444 | unlink(FinalFile.c_str()); |
| 445 | } |
| 446 | |
| 447 | DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); |
| 448 | |
| 449 | // Check the destination file |
| 450 | if (stat(DestFile.c_str(),&Buf) == 0) |
| 451 | { |
| 452 | // Hmm, the partial file is too big, erase it |
| 453 | if ((unsigned)Buf.st_size > Version->Size) |
| 454 | unlink(DestFile.c_str()); |
| 455 | else |
| 456 | PartialSize = Buf.st_size; |
| 457 | } |
| 458 | |
| 459 | // Create the item |
| 460 | Desc.URI = Location->ArchiveURI(PkgFile); |
| 461 | Desc.Description = Location->ArchiveInfo(Version); |
| 462 | Desc.Owner = this; |
| 463 | Desc.ShortDesc = Version.ParentPkg().Name(); |
| 464 | QueueURI(Desc); |
| 465 | |
| 466 | Vf++; |
| 467 | return true; |
| 468 | } |
| 469 | return false; |
| 470 | } |
| 471 | /*}}}*/ |
| 472 | // AcqArchive::Done - Finished fetching /*{{{*/ |
| 473 | // --------------------------------------------------------------------- |
| 474 | /* */ |
| 475 | void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash) |
| 476 | { |
| 477 | Item::Done(Message,Size,Md5Hash); |
| 478 | |
| 479 | // Check the size |
| 480 | if (Size != Version->Size) |
| 481 | { |
| 482 | Status = StatError; |
| 483 | ErrorText = "Size mismatch"; |
| 484 | return; |
| 485 | } |
| 486 | |
| 487 | // Check the md5 |
| 488 | if (Md5Hash.empty() == false && MD5.empty() == false) |
| 489 | { |
| 490 | if (Md5Hash != MD5) |
| 491 | { |
| 492 | Status = StatError; |
| 493 | ErrorText = "MD5Sum mismatch"; |
| 494 | Rename(DestFile,DestFile + ".FAILED"); |
| 495 | return; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | // Grab the output filename |
| 500 | string FileName = LookupTag(Message,"Filename"); |
| 501 | if (FileName.empty() == true) |
| 502 | { |
| 503 | Status = StatError; |
| 504 | ErrorText = "Method gave a blank filename"; |
| 505 | return; |
| 506 | } |
| 507 | |
| 508 | Complete = true; |
| 509 | |
| 510 | // Reference filename |
| 511 | if (FileName != DestFile) |
| 512 | { |
| 513 | StoreFilename = DestFile = FileName; |
| 514 | Local = true; |
| 515 | return; |
| 516 | } |
| 517 | |
| 518 | // Done, move it into position |
| 519 | string FinalFile = _config->FindDir("Dir::Cache::Archives"); |
| 520 | FinalFile += flNotDir(StoreFilename); |
| 521 | Rename(DestFile,FinalFile); |
| 522 | |
| 523 | StoreFilename = DestFile = FinalFile; |
| 524 | Complete = true; |
| 525 | } |
| 526 | /*}}}*/ |
| 527 | // AcqArchive::Failed - Failure handler /*{{{*/ |
| 528 | // --------------------------------------------------------------------- |
| 529 | /* Here we try other sources */ |
| 530 | void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
| 531 | { |
| 532 | ErrorText = LookupTag(Message,"Message"); |
| 533 | if (QueueNext() == false) |
| 534 | { |
| 535 | // This is the retry counter |
| 536 | if (Retries != 0 && |
| 537 | Cnf->LocalOnly == false && |
| 538 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) |
| 539 | { |
| 540 | Retries--; |
| 541 | Vf = Version.FileList(); |
| 542 | if (QueueNext() == true) |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | StoreFilename = string(); |
| 547 | Item::Failed(Message,Cnf); |
| 548 | } |
| 549 | } |
| 550 | /*}}}*/ |
| 551 | // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ |
| 552 | // --------------------------------------------------------------------- |
| 553 | /* */ |
| 554 | void pkgAcqArchive::Finished() |
| 555 | { |
| 556 | if (Status == pkgAcquire::Item::StatDone && |
| 557 | Complete == true) |
| 558 | return; |
| 559 | StoreFilename = string(); |
| 560 | } |
| 561 | /*}}}*/ |
| 562 | |
| 563 | // AcqFile::pkgAcqFile - Constructor /*{{{*/ |
| 564 | // --------------------------------------------------------------------- |
| 565 | /* The file is added to the queue */ |
| 566 | pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5, |
| 567 | unsigned long Size,string Dsc,string ShortDesc) : |
| 568 | Item(Owner), Md5Hash(MD5) |
| 569 | { |
| 570 | DestFile = flNotDir(URI); |
| 571 | |
| 572 | // Create the item |
| 573 | Desc.URI = URI; |
| 574 | Desc.Description = Dsc; |
| 575 | Desc.Owner = this; |
| 576 | |
| 577 | // Set the short description to the archive component |
| 578 | Desc.ShortDesc = ShortDesc; |
| 579 | |
| 580 | // Get the transfer sizes |
| 581 | FileSize = Size; |
| 582 | struct stat Buf; |
| 583 | if (stat(DestFile.c_str(),&Buf) == 0) |
| 584 | { |
| 585 | // Hmm, the partial file is too big, erase it |
| 586 | if ((unsigned)Buf.st_size > Size) |
| 587 | unlink(DestFile.c_str()); |
| 588 | else |
| 589 | PartialSize = Buf.st_size; |
| 590 | } |
| 591 | |
| 592 | QueueURI(Desc); |
| 593 | } |
| 594 | /*}}}*/ |
| 595 | // AcqFile::Done - Item downloaded OK /*{{{*/ |
| 596 | // --------------------------------------------------------------------- |
| 597 | /* */ |
| 598 | void pkgAcqFile::Done(string Message,unsigned long Size,string MD5) |
| 599 | { |
| 600 | // Check the md5 |
| 601 | if (Md5Hash.empty() == false && MD5.empty() == false) |
| 602 | { |
| 603 | if (Md5Hash != MD5) |
| 604 | { |
| 605 | Status = StatError; |
| 606 | ErrorText = "MD5Sum mismatch"; |
| 607 | Rename(DestFile,DestFile + ".FAILED"); |
| 608 | return; |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | Item::Done(Message,Size,MD5); |
| 613 | |
| 614 | string FileName = LookupTag(Message,"Filename"); |
| 615 | if (FileName.empty() == true) |
| 616 | { |
| 617 | Status = StatError; |
| 618 | ErrorText = "Method gave a blank filename"; |
| 619 | return; |
| 620 | } |
| 621 | |
| 622 | Complete = true; |
| 623 | |
| 624 | // The files timestamp matches |
| 625 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) |
| 626 | return; |
| 627 | |
| 628 | // We have to copy it into place |
| 629 | if (FileName != DestFile) |
| 630 | { |
| 631 | Local = true; |
| 632 | if (_config->FindB("Acquire::Source-Symlinks",true) == false) |
| 633 | { |
| 634 | Desc.URI = "copy:" + FileName; |
| 635 | QueueURI(Desc); |
| 636 | return; |
| 637 | } |
| 638 | |
| 639 | if (symlink(FileName.c_str(),DestFile.c_str()) != 0) |
| 640 | { |
| 641 | ErrorText = "Link to " + DestFile + "failure "; |
| 642 | Status = StatError; |
| 643 | Complete = false; |
| 644 | } |
| 645 | } |
| 646 | } |
| 647 | /*}}}*/ |