// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.9 1998/11/11 06:54:13 jgg Exp $
+// $Id: acquire-item.cc,v 1.46 2003/02/02 22:19:17 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 /*{{{*/
#endif
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
-#include <strutl.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <apti18n.h>
+
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
-#include <string.h>
+#include <string>
#include <stdio.h>
/*}}}*/
+using std::string;
+
// Acquire::Item::Item - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0),
- Mode(0), ID(0), Complete(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 /*{{{*/
// ---------------------------------------------------------------------
-/* */
-void pkgAcquire::Item::Start(string Message,unsigned long Size)
+/* 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;
if (FileSize == 0 && Complete == false)
// Acquire::Item::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcquire::Item::Done(string Message,unsigned long Size,string)
+void pkgAcquire::Item::Done(string Message,unsigned long Size,string,
+ pkgAcquire::MethodConfig *Cnf)
{
// We just downloaded something..
string FileName = LookupTag(Message,"Filename");
if (Owner->Log != 0)
Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
}
+
+ if (FileSize == 0)
+ FileSize= Size;
Status = StatDone;
ErrorText = string();
if (rename(From.c_str(),To.c_str()) != 0)
{
char S[300];
- sprintf(S,"rename failed, %s (%s -> %s).",strerror(errno),
+ snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno),
From.c_str(),To.c_str());
Status = StatError;
ErrorText = S;
- }
+ }
}
/*}}}*/
// AcqIndex::AcqIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The package file is added to the queue and a second class is
- instantiated to fetch the revision file */
-pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+ instantiated to fetch the revision file */
+pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc) :
+ Item(Owner), RealURI(URI)
{
Decompression = false;
Erase = false;
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->PackagesURI());
-
- // Create the item
- Desc.URI = Location->PackagesURI() + ".gz";
- Desc.Description = Location->PackagesInfo();
- Desc.Owner = this;
+ DestFile += URItoFileName(URI);
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
+ // Create the item
+ if(FileExists("/usr/bin/bzip2"))
+ Desc.URI = URI + ".bz2";
else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
+ Desc.URI = URI + ".gz";
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
QueueURI(Desc);
-
- // Create the Release fetch class
- new pkgAcqIndexRel(Owner,Location);
}
/*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
string pkgAcqIndex::Custom600Headers()
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->PackagesURI());
+ Final += URItoFileName(RealURI);
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);
}
/*}}}*/
+
+void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ // no .bz2 found, retry with .gz
+ if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") {
+ Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz";
+ QueueURI(Desc);
+ return;
+ }
+
+
+ Item::Failed(Message,Cnf);
+}
+
+
// AcqIndex::Done - Finished a fetch /*{{{*/
// ---------------------------------------------------------------------
/* This goes through a number of states.. On the initial fetch the
to the uncompressed version of the file. If this is so the file
is copied into the partial directory. In all other cases the file
is decompressed with a gzip uri. */
-void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5)
+void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5);
+ Item::Done(Message,Size,MD5,Cfg);
if (Decompression == true)
{
// Done, move it into position
string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->PackagesURI());
+ FinalFile += URItoFileName(RealURI);
Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+
+ /* We restore the original name to DestFile so that the clean operation
+ will work OK */
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI);
// Remove the compressed version.
if (Erase == true)
- {
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->PackagesURI());
unlink(DestFile.c_str());
- }
return;
}
return;
Decompression = true;
- FileSize = 0;
+ Local = true;
DestFile += ".decomp";
Desc.URI = "copy:" + FileName;
QueueURI(Desc);
if (FileName == DestFile)
Erase = true;
else
- FileSize = 0;
+ Local = true;
+ string compExt = Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1);
+ char *decompProg;
+ if(compExt == "bz2")
+ decompProg = "bzip2";
+ else if(compExt == ".gz")
+ decompProg = "gzip";
+ else {
+ _error->Error("Unsupported extension: %s", compExt.c_str());
+ return;
+ }
+
Decompression = true;
DestFile += ".decomp";
- Desc.URI = "gzip:" + FileName,Location->PackagesInfo();
+ Desc.URI = string(decompProg) + ":" + FileName;
QueueURI(Desc);
- Mode = "gzip";
+ Mode = decompProg;
}
/*}}}*/
// ---------------------------------------------------------------------
/* The Release file is added to the queue */
pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner,
- const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+ string URI,string URIDesc,string ShortDesc) :
+ Item(Owner), RealURI(URI)
{
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->ReleaseURI());
+ DestFile += URItoFileName(URI);
// Create the item
- Desc.URI = Location->ReleaseURI();
- Desc.Description = Location->ReleaseInfo();
+ Desc.URI = URI;
+ Desc.Description = URIDesc;
+ Desc.ShortDesc = ShortDesc;
Desc.Owner = this;
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
- else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
-
QueueURI(Desc);
}
/*}}}*/
string pkgAcqIndexRel::Custom600Headers()
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->ReleaseURI());
+ Final += URItoFileName(RealURI);
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 /*{{{*/
/* The release file was not placed into the download directory then
a copy URI is generated and it is copied there otherwise the file
in the partial directory is moved into .. and the URI is finished. */
-void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5)
+void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5);
+ Item::Done(Message,Size,MD5,Cfg);
string FileName = LookupTag(Message,"Filename");
if (FileName.empty() == true)
// We have to copy it into place
if (FileName != DestFile)
{
- FileSize = 0;
+ Local = true;
Desc.URI = "copy:" + FileName;
QueueURI(Desc);
return;
// Done, move it into position
string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->ReleaseURI());
+ FinalFile += URItoFileName(RealURI);
+ Rename(DestFile,FinalFile);
+
+ chmod(FinalFile.c_str(),0644);
+}
+ /*}}}*/
+// AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ 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), Vf(Version.FileList())
+{
+ Retries = _config->FindI("Acquire::Retries",0);
+
+ if (Version.Arch() == 0)
+ {
+ _error->Error(_("I wasn't able to locate a file for the %s package. "
+ "This might mean you need to manually fix this package. "
+ "(due to missing arch)"),
+ Version.ParentPkg().Name());
+ return;
+ }
+
+ /* We need to find a filename to determine the extension. We make the
+ assumption here that all the available sources for this version share
+ the same extension.. */
+ // Skip not source sources, they do not have file fields.
+ for (; Vf.end() == false; Vf++)
+ {
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
+ continue;
+ break;
+ }
+
+ // Does not really matter here.. we are going to fail out below
+ if (Vf.end() != true)
+ {
+ // If this fails to get a file name we will bomb out below.
+ pkgRecords::Parser &Parse = Recs->Lookup(Vf);
+ if (_error->PendingError() == true)
+ return;
+
+ // Generate the final file name as: package_version_arch.foo
+ StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
+ QuoteString(Version.VerStr(),"_:") + '_' +
+ QuoteString(Version.Arch(),"_:.") +
+ "." + flExtension(Parse.FileName());
+ }
+
+ // Select a source
+ 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
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
+ continue;
+
+ // Try to cross match against the source list
+ pkgIndexFile *Index;
+ if (Sources->FindIndex(Vf.File(),Index) == false)
+ continue;
+
+ // Grab the text package record
+ pkgRecords::Parser &Parse = Recs->Lookup(Vf);
+ if (_error->PendingError() == true)
+ return false;
+
+ string PkgFile = Parse.FileName();
+ MD5 = Parse.MD5Hash();
+ if (PkgFile.empty() == true)
+ 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. (Legacy filenames)
+ FileSize = Version->Size;
+ string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile);
+ struct stat Buf;
+ 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 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);
+
+ // 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
+ Local = false;
+ Desc.URI = Index->ArchiveURI(PkgFile);
+ Desc.Description = Index->ArchiveInfo(Version);
+ Desc.Owner = this;
+ Desc.ShortDesc = Version.ParentPkg().Name();
+ QueueURI(Desc);
+
+ Vf++;
+ return true;
+ }
+ return false;
+}
+ /*}}}*/
+// AcqArchive::Done - Finished fetching /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cfg)
+{
+ Item::Done(Message,Size,Md5Hash,Cfg);
+
+ // Check the size
+ if (Size != Version->Size)
+ {
+ Status = StatError;
+ ErrorText = _("Size mismatch");
+ return;
+ }
+
+ // Check the md5
+ if (Md5Hash.empty() == false && MD5.empty() == false)
+ {
+ if (Md5Hash != MD5)
+ {
+ Status = StatError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ }
+ }
+
+ // Grab the output filename
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return;
+ }
+
+ Complete = true;
+
+ // Reference filename
+ if (FileName != DestFile)
+ {
+ StoreFilename = DestFile = FileName;
+ Local = true;
+ return;
+ }
+
+ // Done, move it into position
+ string FinalFile = _config->FindDir("Dir::Cache::Archives");
+ FinalFile += flNotDir(StoreFilename);
Rename(DestFile,FinalFile);
+
+ StoreFilename = DestFile = FinalFile;
+ Complete = true;
+}
+ /*}}}*/
+// AcqArchive::Failed - Failure handler /*{{{*/
+// ---------------------------------------------------------------------
+/* Here we try other sources */
+void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ ErrorText = LookupTag(Message,"Message");
+
+ /* We don't really want to retry on failed media swaps, this prevents
+ that. An interesting observation is that permanent failures are not
+ recorded. */
+ if (Cnf->Removable == true &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ // Vf = Version.FileList();
+ while (Vf.end() == false) Vf++;
+ StoreFilename = string();
+ Item::Failed(Message,Cnf);
+ return;
+ }
+
+ 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);
+ }
+}
+ /*}}}*/
+// AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqArchive::Finished()
+{
+ if (Status == pkgAcquire::Item::StatDone &&
+ Complete == true)
+ return;
+ StoreFilename = string();
+}
+ /*}}}*/
+
+// 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), Md5Hash(MD5)
+{
+ Retries = _config->FindI("Acquire::Retries",0);
+
+ 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,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ // Check the md5
+ if (Md5Hash.empty() == false && MD5.empty() == false)
+ {
+ if (Md5Hash != MD5)
+ {
+ Status = StatError;
+ ErrorText = "MD5Sum mismatch";
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ }
+ }
+
+ Item::Done(Message,Size,MD5,Cnf);
+
+ 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;
+ if (_config->FindB("Acquire::Source-Symlinks",true) == false ||
+ Cnf->Removable == true)
+ {
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ return;
+ }
+
+ // Erase the file if it is a symlink so we can overwrite it
+ struct stat St;
+ if (lstat(DestFile.c_str(),&St) == 0)
+ {
+ if (S_ISLNK(St.st_mode) != 0)
+ unlink(DestFile.c_str());
+ }
+
+ // Symlink the file
+ if (symlink(FileName.c_str(),DestFile.c_str()) != 0)
+ {
+ ErrorText = "Link to " + DestFile + " failure ";
+ Status = StatError;
+ Complete = false;
+ }
+ }
+}
+ /*}}}*/
+// AcqFile::Failed - Failure handler /*{{{*/
+// ---------------------------------------------------------------------
+/* Here we try other sources */
+void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ ErrorText = LookupTag(Message,"Message");
+
+ // This is the retry counter
+ if (Retries != 0 &&
+ Cnf->LocalOnly == false &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ Retries--;
+ QueueURI(Desc);
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
}
/*}}}*/
projects / apt.git / blobdiff