// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.13 1998/11/22 03:20:30 jgg Exp $
+// $Id: acquire-item.cc,v 1.27 1999/04/07 05:30:17 jgg Exp $
/* ######################################################################
Acquire Item - Item to acquire
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 /*{{{*/
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
#include <sys/stat.h>
#include <unistd.h>
// ---------------------------------------------------------------------
/* */
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;
// ---------------------------------------------------------------------
/* 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)
{
- ErrorText = LookupTag(Message,"Message");
+ /* 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 [CDROMs] */
+ if (Cnf->LocalOnly == true &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ Status = StatIdle;
+ Dequeue();
+ return;
+ }
+
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;
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
- return string();
+ return "\nIndex-File: true";
- return "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
// AcqIndex::Done - Finished a fetch /*{{{*/
Mode = "gzip";
}
/*}}}*/
-// AcqIndex::Describe - Describe the Item /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string pkgAcqIndex::Describe()
-{
- return Location->PackagesURI();
-}
- /*}}}*/
// AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/
// ---------------------------------------------------------------------
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
- return string();
+ return "\nIndex-File: true";
- return "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
// AcqIndexRel::Done - Item downloaded OK /*{{{*/
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
// 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;
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);
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)
// 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)
{
- return Desc.URI;
+ 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)
+{
+ 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;
+ }
+}
+ /*}}}*/
projects / apt.git / blobdiff