diff options
Diffstat (limited to 'apt-pkg/acquire-item.h')
| -rw-r--r-- | apt-pkg/acquire-item.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h index 4429b1ceb..fd01bbb9a 100644 --- a/apt-pkg/acquire-item.h +++ b/apt-pkg/acquire-item.h @@ -1,19 +1,19 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-item.h,v 1.15 1999/01/31 22:25:34 jgg Exp $ +// $Id: acquire-item.h,v 1.16 1999/02/01 02:22:11 jgg Exp $ /* ###################################################################### Acquire Item - Item to acquire When an item is instantiated it will add it self to the local list in the Owner Acquire class. Derived classes will then call QueueURI to - register all the URI's they wish to fetch for at the initial moment. + register all the URI's they wish to fetch at the initial moment. 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. + checking and source location as well as a retry algorithm. ##################################################################### */ /*}}}*/ @@ -33,11 +33,13 @@ class pkgAcquire::Item { protected: + // Some private helper methods for registering URIs pkgAcquire *Owner; inline void QueueURI(ItemDesc &Item) {Owner->Enqueue(Item);}; inline void Dequeue() {Owner->Dequeue(this);}; + // Safe rename function with timestamp preservation void Rename(string From,string To); public: @@ -57,14 +59,16 @@ class pkgAcquire::Item // File to write the fetch into string DestFile; + // Action members invoked by the worker virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual void Start(string Message,unsigned long Size); + virtual string Custom600Headers() {return string();}; + + // Inquire functions virtual string MD5Sum() {return string();}; virtual string Describe() = 0; - - virtual string Custom600Headers() {return string();}; - + Item(pkgAcquire *Owner); virtual ~Item(); }; @@ -81,6 +85,7 @@ class pkgAcqIndex : public pkgAcquire::Item public: + // Specialized action members virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual string Custom600Headers(); virtual string Describe(); @@ -98,6 +103,7 @@ class pkgAcqIndexRel : public pkgAcquire::Item public: + // Specialized action members virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual string Custom600Headers(); @@ -111,6 +117,7 @@ class pkgAcqArchive : public pkgAcquire::Item { protected: + // State information for the retry mechanism pkgCache::VerIterator Version; pkgAcquire::ItemDesc Desc; pkgSourceList *Sources; @@ -119,15 +126,17 @@ class pkgAcqArchive : public pkgAcquire::Item string &StoreFilename; pkgCache::VerFileIterator Vf; unsigned int Retries; - + + // Queue the next available file for download. bool QueueNext(); public: + // Specialized action members virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); - virtual string MD5Sum() {return MD5;}; virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual string Describe(); + virtual string MD5Sum() {return MD5;}; pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, pkgRecords *Recs,pkgCache::VerIterator const &Version, |