// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.2 1998/10/20 02:39:12 jgg Exp $
+// $Id: acquire-item.cc,v 1.7 1998/11/05 07:21:35 jgg Exp $
/* ######################################################################
Acquire Item - Item to acquire
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
#include <strutl.h>
+
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
/*}}}*/
// Acquire::Item::Item - Constructor /*{{{*/
pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), QueueCounter(0)
{
Owner->Add(this);
+ Status = StatIdle;
}
/*}}}*/
// Acquire::Item::~Item - Destructor /*{{{*/
Owner->Remove(this);
}
/*}}}*/
+// Acquire::Item::Failed - Item failed to download /*{{{*/
+// ---------------------------------------------------------------------
+/* We return to an idle state if there are still other queues that could
+ fetch this object */
+void pkgAcquire::Item::Failed(string Message)
+{
+ Status = StatIdle;
+ if (QueueCounter <= 1)
+ {
+ ErrorText = LookupTag(Message,"Message");
+ Status = StatError;
+ Owner->Dequeue(this);
+ }
+}
+ /*}}}*/
+// Acquire::Item::Done - Item downloaded OK /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcquire::Item::Done(string,unsigned long,string)
+{
+ Status = StatDone;
+ ErrorText = string();
+ Owner->Dequeue(this);
+}
+ /*}}}*/
+// Acquire::Item::Rename - Rename a file /*{{{*/
+// ---------------------------------------------------------------------
+/* This helper function is used by alot of item methods as thier final
+ step */
+void pkgAcquire::Item::Rename(string From,string To)
+{
+ if (rename(From.c_str(),To.c_str()) != 0)
+ {
+ char S[300];
+ sprintf(S,"rename failed, %s (%s -> %s).",strerror(errno),
+ From.c_str(),To.c_str());
+ Status = StatError;
+ ErrorText = S;
+ }
+}
+ /*}}}*/
// AcqIndex::AcqIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location) :
Item(Owner), Location(Location)
{
- QueueURI(Location->PackagesURI() + ".gz");
- Description = Location->PackagesInfo();
+ Decompression = false;
+ Erase = false;
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(Location->PackagesURI());
+ QueueURI(Location->PackagesURI() + ".gz",Location->PackagesInfo());
+
+ // Create the Release fetch class
new pkgAcqIndexRel(Owner,Location);
}
/*}}}*/
-// pkgAcqIndex::ToFile - File to write the download to /*{{{*/
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
-/* */
-string pkgAcqIndex::ToFile()
+/* The only header we use is the last-modified header. */
+string pkgAcqIndex::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(Location->PackagesURI());
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return string();
+
+ return "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+ /*}}}*/
+// AcqIndex::Done - Finished a fetch /*{{{*/
+// ---------------------------------------------------------------------
+/* This goes through a number of states.. On the initial fetch the
+ method could possibly return an alternate filename which points
+ 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)
{
- string PartialDir = _config->FindFile("Dir::State::lists") + "/partial/";
+ Item::Done(Message,Size,MD5);
+
+ if (Decompression == true)
+ {
+ // Done, move it into position
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(Location->PackagesURI());
+ Rename(DestFile,FinalFile);
+
+ // Remove the compressed version.
+ if (Erase == true)
+ {
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(Location->PackagesURI());
+ unlink(DestFile.c_str());
+ }
+ return;
+ }
+
+ Erase = false;
- return PartialDir + URItoFileName(Location->PackagesURI());
+ // Handle the unzipd case
+ string FileName = LookupTag(Message,"Alt-Filename");
+ if (FileName.empty() == false)
+ {
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
+ return;
+
+ Decompression = true;
+ DestFile += ".decomp";
+ QueueURI("copy:" + FileName,string());
+ return;
+ }
+
+ FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ }
+
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ return;
+
+ if (FileName == DestFile)
+ Erase = true;
+
+ Decompression = true;
+ DestFile += ".decomp";
+ QueueURI("gzip:" + FileName,string());
}
/*}}}*/
const pkgSourceList::Item *Location) :
Item(Owner), Location(Location)
{
- QueueURI(Location->ReleaseURI());
- Description = Location->ReleaseInfo();
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(Location->ReleaseURI());
+
+ QueueURI(Location->ReleaseURI(),Location->ReleaseInfo());
+}
+ /*}}}*/
+// AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqIndexRel::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(Location->ReleaseURI());
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return string();
+
+ return "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
-// AcqIndexRel::ToFile - File to write the download to /*{{{*/
+// AcqIndexRel::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
-/* */
-string pkgAcqIndexRel::ToFile()
+/* 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)
{
- string PartialDir = _config->FindFile("Dir::State::lists") + "/partial/";
+ Item::Done(Message,Size,MD5);
+
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return;
+ }
+
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ return;
+
+ // We have to copy it into place
+ if (FileName != DestFile)
+ {
+ QueueURI("copy:" + FileName,string());
+ return;
+ }
- return PartialDir + URItoFileName(Location->ReleaseURI());
+ // Done, move it into position
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(Location->ReleaseURI());
+ Rename(DestFile,FinalFile);
}
/*}}}*/
projects / apt.git / blobdiff