X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a72ace2091afd833e9359514644676c6bca55d96..bebdca4bf63ae661c60bc1e0f4e03e6bbb7a7cc5:/apt-pkg/acquire-item.cc diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index db334de98..7e178c3b4 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-item.cc,v 1.14 1998/11/29 01:24:14 jgg Exp $ +// $Id: acquire-item.cc,v 1.27 1999/04/07 05:30:17 jgg Exp $ /* ###################################################################### Acquire Item - Item to acquire @@ -9,7 +9,7 @@ cannot create an item that fetches two uri's to two files at the same time. The pkgAcqIndex class creates a second class upon instantiation to fetch the other index files because of this. - + ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ @@ -19,7 +19,8 @@ #include #include #include -#include +#include +#include #include #include @@ -32,8 +33,8 @@ // --------------------------------------------------------------------- /* */ pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), - Mode(0), ID(0), Complete(false), Local(false), - QueueCounter(0) + PartialSize(0), Mode(0), ID(0), Complete(false), + Local(false), QueueCounter(0) { Owner->Add(this); Status = StatIdle; @@ -51,30 +52,32 @@ pkgAcquire::Item::~Item() // --------------------------------------------------------------------- /* We return to an idle state if there are still other queues that could fetch this object */ -void pkgAcquire::Item::Failed(string Message) +void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) { Status = StatIdle; + ErrorText = LookupTag(Message,"Message"); if (QueueCounter <= 1) { /* This indicates that the file is not available right now but might - be sometime later. If we do a retry cycle then this should be - retried */ - if (StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) + be sometime later. If we do a retry cycle then this should be + retried [CDROMs] */ + if (Cnf->LocalOnly == true && + StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) { Status = StatIdle; - Owner->Dequeue(this); + Dequeue(); return; } - ErrorText = LookupTag(Message,"Message"); Status = StatError; - Owner->Dequeue(this); + Dequeue(); } } /*}}}*/ // Acquire::Item::Start - Item has begun to download /*{{{*/ // --------------------------------------------------------------------- -/* */ +/* Stash status and the file size. Note that setting Complete means + sub-phases of the acquire process such as decompresion are operating */ void pkgAcquire::Item::Start(string Message,unsigned long Size) { Status = StatFetching; @@ -234,14 +237,6 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5) Mode = "gzip"; } /*}}}*/ -// AcqIndex::Describe - Describe the Item /*{{{*/ -// --------------------------------------------------------------------- -/* */ -string pkgAcqIndex::Describe() -{ - return Location->PackagesURI(); -} - /*}}}*/ // AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/ // --------------------------------------------------------------------- @@ -320,26 +315,57 @@ void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5) Rename(DestFile,FinalFile); } /*}}}*/ -// AcqIndexRel::Describe - Describe the Item /*{{{*/ +// AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/ // --------------------------------------------------------------------- /* */ -string pkgAcqIndexRel::Describe() +void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf) { - return Location->ReleaseURI(); + // This is the retry counter + if (Cnf->LocalOnly == true || + StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) + { + // Ignore this + Status = StatDone; + Complete = false; + Dequeue(); + return; + } + + Item::Failed(Message,Cnf); } /*}}}*/ // AcqArchive::AcqArchive - Constructor /*{{{*/ // --------------------------------------------------------------------- -/* */ +/* This just sets up the initial fetch environment and queues the first + possibilitiy */ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, pkgRecords *Recs,pkgCache::VerIterator const &Version, string &StoreFilename) : Item(Owner), Version(Version), Sources(Sources), Recs(Recs), - StoreFilename(StoreFilename) + StoreFilename(StoreFilename), Vf(Version.FileList()) { + Retries = _config->FindI("Acquire::Retries",0); + + // Generate the final file name as: package_version_arch.deb + StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + + QuoteString(Version.VerStr(),"_:") + '_' + + QuoteString(Version.Arch(),"_:.") + ".deb"; + // Select a source - pkgCache::VerFileIterator Vf = Version.FileList(); + if (QueueNext() == false && _error->PendingError() == false) + _error->Error("I wasn't able to locate file for the %s package. " + "This might mean you need to manually fix this package.", + Version.ParentPkg().Name()); +} + /*}}}*/ +// AcqArchive::QueueNext - Queue the next file source /*{{{*/ +// --------------------------------------------------------------------- +/* This queues the next available file version for download. It checks if + the archive is already available in the cache and stashs the MD5 for + checking later. */ +bool pkgAcqArchive::QueueNext() +{ for (; Vf.end() == false; Vf++) { // Ignore not source sources @@ -359,19 +385,16 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, // Grab the text package record pkgRecords::Parser &Parse = Recs->Lookup(Vf); if (_error->PendingError() == true) - return; + return false; PkgFile = Parse.FileName(); MD5 = Parse.MD5Hash(); if (PkgFile.empty() == true) - { - _error->Error("Unable to locate a file name for package %s, " - "perhaps the package files are corrupted.", - Version.ParentPkg().Name()); - return; - } + return _error->Error("The package index files are corrupted. No Filename: " + "field for package %s." + ,Version.ParentPkg().Name()); - // See if we already have the file. + // See if we already have the file. (Legacy filenames) FileSize = Version->Size; string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); struct stat Buf; @@ -384,15 +407,44 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, Local = true; Status = StatDone; StoreFilename = DestFile = FinalFile; - return; + return true; + } + + /* Hmm, we have a file and its size does not match, this means it is + an old style mismatched arch */ + unlink(FinalFile.c_str()); + } + + // Check it again using the new style output filenames + FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); + if (stat(FinalFile.c_str(),&Buf) == 0) + { + // Make sure the size matches + if ((unsigned)Buf.st_size == Version->Size) + { + Complete = true; + Local = true; + Status = StatDone; + StoreFilename = DestFile = FinalFile; + return true; } /* Hmm, we have a file and its size does not match, this shouldnt happen.. */ unlink(FinalFile.c_str()); } + + DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); - DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(PkgFile); + // Check the destination file + if (stat(DestFile.c_str(),&Buf) == 0) + { + // Hmm, the partial file is too big, erase it + if ((unsigned)Buf.st_size > Version->Size) + unlink(DestFile.c_str()); + else + PartialSize = Buf.st_size; + } // Create the item Desc.URI = Location->ArchiveURI(PkgFile); @@ -400,21 +452,19 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, Desc.Owner = this; Desc.ShortDesc = Version.ParentPkg().Name(); QueueURI(Desc); - - return; + + Vf++; + return true; } - - _error->Error("I wasn't able to locate file for the %s package. " - "This probably means you need to rerun update.", - Version.ParentPkg().Name()); -} + return false; +} /*}}}*/ // AcqArchive::Done - Finished fetching /*{{{*/ // --------------------------------------------------------------------- /* */ void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash) { - Item::Done(Message,Size,MD5); + Item::Done(Message,Size,Md5Hash); // Check the size if (Size != Version->Size) @@ -454,19 +504,98 @@ void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash) // Done, move it into position string FinalFile = _config->FindDir("Dir::Cache::Archives"); - FinalFile += flNotDir(DestFile); + FinalFile += flNotDir(StoreFilename); Rename(DestFile,FinalFile); StoreFilename = DestFile = FinalFile; Complete = true; } /*}}}*/ -// AcqArchive::Describe - Describe the Item /*{{{*/ +// AcqArchive::Failed - Failure handler /*{{{*/ // --------------------------------------------------------------------- -/* */ -string pkgAcqArchive::Describe() +/* Here we try other sources */ +void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) +{ + ErrorText = LookupTag(Message,"Message"); + if (QueueNext() == false) + { + // This is the retry counter + if (Retries != 0 && + Cnf->LocalOnly == false && + StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) + { + Retries--; + Vf = Version.FileList(); + if (QueueNext() == true) + return; + } + + StoreFilename = string(); + Item::Failed(Message,Cnf); + } +} + /*}}}*/ + +// AcqFile::pkgAcqFile - Constructor /*{{{*/ +// --------------------------------------------------------------------- +/* The file is added to the queue */ +pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5, + unsigned long Size,string Dsc,string ShortDesc) : + Item(Owner), MD5(MD5) { - return Desc.URI; + DestFile = flNotDir(URI); + + // Create the item + Desc.URI = URI; + Desc.Description = Dsc; + Desc.Owner = this; + + // Set the short description to the archive component + Desc.ShortDesc = ShortDesc; + + // Get the transfer sizes + FileSize = Size; + struct stat Buf; + if (stat(DestFile.c_str(),&Buf) == 0) + { + // Hmm, the partial file is too big, erase it + if ((unsigned)Buf.st_size > Size) + unlink(DestFile.c_str()); + else + PartialSize = Buf.st_size; + } + + QueueURI(Desc); } /*}}}*/ +// AcqFile::Done - Item downloaded OK /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcqFile::Done(string Message,unsigned long Size,string MD5) +{ + Item::Done(Message,Size,MD5); + string FileName = LookupTag(Message,"Filename"); + if (FileName.empty() == true) + { + Status = StatError; + ErrorText = "Method gave a blank filename"; + return; + } + + Complete = true; + + // The files timestamp matches + if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) + return; + + // We have to copy it into place + if (FileName != DestFile) + { + Local = true; + Desc.URI = "copy:" + FileName; + QueueURI(Desc); + return; + } +} + /*}}}*/