// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.15 1998/12/11 04:47:50 jgg Exp $
+// $Id: acquire-item.cc,v 1.16 1998/12/11 06:01:23 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 /*{{{*/
pkgRecords *Recs,pkgCache::VerIterator const &Version,
string &StoreFilename) :
Item(Owner), Version(Version), Sources(Sources), Recs(Recs),
- StoreFilename(StoreFilename)
+ StoreFilename(StoreFilename), Vf(Version.FileList())
{
// 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. */
+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("I need to reinstall package %s to fix it but I "
- "can't find a file for it! You must deal with "
- "this by hand.",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.
FileSize = Version->Size;
Local = true;
Status = StatDone;
StoreFilename = DestFile = FinalFile;
- return;
+ return true;
}
/* Hmm, we have a file and its size does not match, this shouldnt
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 /*{{{*/
// ---------------------------------------------------------------------
return Desc.URI;
}
/*}}}*/
-
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.h,v 1.10 1998/11/22 03:20:31 jgg Exp $
+// $Id: acquire-item.h,v 1.11 1998/12/11 06:01:25 jgg Exp $
/* ######################################################################
Acquire Item - Item to acquire
Two item classes are provided to provide functionality for downloading
of Index files and downloading of Packages.
+ A Archive class is provided for downloading .deb files. It does Md5
+ checking and source location.
+
##################################################################### */
/*}}}*/
#ifndef PKGLIB_ACQUIRE_ITEM_H
pkgRecords *Recs;
string MD5;
string &StoreFilename;
+ pkgCache::VerFileIterator Vf;
+
+ bool QueueNext();
public:
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire.cc,v 1.20 1998/12/05 04:19:03 jgg Exp $
+// $Id: acquire.cc,v 1.21 1998/12/11 06:01:26 jgg Exp $
/* ######################################################################
Acquire - File Acquiration
Items = 0;
Next = 0;
Workers = 0;
+ MaxPipeDepth = 1;
+ PipeDepth = 0;
}
/*}}}*/
// Queue::~Queue - Destructor /*{{{*/
/*}}}*/
// Queue::Dequeue - Remove an item from the queue /*{{{*/
// ---------------------------------------------------------------------
-/* We return true if we hit something*/
+/* We return true if we hit something */
bool pkgAcquire::Queue::Dequeue(Item *Owner)
{
+ if (Owner->Status == pkgAcquire::Item::StatFetching)
+ return _error->Error("Tried to dequeue a fetching object");
+
bool Res = false;
QItem **I = &Items;
added other source retry to have cycle maintain a pipeline depth
on its own. */
if (Cnf->Pipeline == true)
- {
- bool Res = true;
- for (int I = 0; I != 10 && Res == true; I++)
- Res &= Cycle();
- return Res;
- }
+ MaxPipeDepth = 10;
+ else
+ MaxPipeDepth = 1;
return Cycle();
}
main queue too.*/
bool pkgAcquire::Queue::ItemDone(QItem *Itm)
{
+ PipeDepth--;
if (Itm->Owner->QueueCounter <= 1)
Owner->Dequeue(Itm->Owner);
else
/*}}}*/
// Queue::Cycle - Queue new items into the method /*{{{*/
// ---------------------------------------------------------------------
-/* This locates a new idle item and sends it to the worker */
+/* This locates a new idle item and sends it to the worker. If pipelining
+ is enabled then it keeps the pipe full. */
bool pkgAcquire::Queue::Cycle()
{
if (Items == 0 || Workers == 0)
// Look for a queable item
QItem *I = Items;
- for (; I != 0; I = I->Next)
- if (I->Owner->Status == pkgAcquire::Item::StatIdle)
- break;
-
- // Nothing to do, queue is idle.
- if (I == 0)
- return true;
+ while (PipeDepth < MaxPipeDepth)
+ {
+ for (; I != 0; I = I->Next)
+ if (I->Owner->Status == pkgAcquire::Item::StatIdle)
+ break;
+
+ // Nothing to do, queue is idle.
+ if (I == 0)
+ return true;
+
+ I->Worker = Workers;
+ I->Owner->Status = pkgAcquire::Item::StatFetching;
+ if (Workers->QueueItem(I) == false)
+ return false;
+ }
- I->Worker = Workers;
- I->Owner->Status = pkgAcquire::Item::StatFetching;
- return Workers->QueueItem(I);
+ return true;
}
/*}}}*/
// Queue::Bump - Fetch any pending objects if we are idle /*{{{*/
// ---------------------------------------------------------------------
-/* */
+/* This is called when an item in multiple queues is dequeued */
void pkgAcquire::Queue::Bump()
{
+ Cycle();
}
/*}}}*/
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire.h,v 1.16 1998/12/04 21:16:49 jgg Exp $
+// $Id: acquire.h,v 1.17 1998/12/11 06:01:27 jgg Exp $
/* ######################################################################
Acquire - File Acquiration
QItem *Items;
pkgAcquire::Worker *Workers;
pkgAcquire *Owner;
+ unsigned long PipeDepth;
+ unsigned long MaxPipeDepth;
public:
HCoop / ntk / apt.git / commitdiff