// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: packagemanager.h,v 1.5 1998/11/13 04:23:31 jgg Exp $
+// $Id: packagemanager.h,v 1.14 2001/05/07 04:24:08 jgg Exp $
/* ######################################################################
Package Manager - Abstacts the package manager
##################################################################### */
/*}}}*/
-// Header section: pkglib
#ifndef PKGLIB_PACKAGEMANAGER_H
#define PKGLIB_PACKAGEMANAGER_H
#endif
#include <string>
+#include <iostream>
#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/depcache.h>
+
+using std::string;
class pkgAcquire;
class pkgDepCache;
class pkgSourceList;
class pkgOrderList;
class pkgRecords;
-class pkgPackageManager
+class pkgPackageManager : protected pkgCache::Namespace
{
+ public:
+
+ enum OrderResult {Completed,Failed,Incomplete};
+
protected:
string *FileNames;
pkgDepCache &Cache;
pkgOrderList *List;
-
- // Bring some usefull types into the local scope
- typedef pkgCache::PkgIterator PkgIterator;
- typedef pkgCache::VerIterator VerIterator;
- typedef pkgCache::DepIterator DepIterator;
- typedef pkgCache::PrvIterator PrvIterator;
- typedef pkgCache::Version Version;
- typedef pkgCache::Package Package;
-
+ bool Debug;
+
bool DepAdd(pkgOrderList &Order,PkgIterator P,int Depth = 0);
- bool OrderInstall();
+ virtual OrderResult OrderInstall();
bool CheckRConflicts(PkgIterator Pkg,DepIterator Dep,const char *Ver);
+ bool CreateOrderList();
// Analysis helpers
bool DepAlwaysTrue(DepIterator D);
bool SmartRemove(PkgIterator Pkg);
bool EarlyRemove(PkgIterator Pkg);
- // The Actuall installation implementation
+ // The Actual installation implementation
virtual bool Install(PkgIterator /*Pkg*/,string /*File*/) {return false;};
virtual bool Configure(PkgIterator /*Pkg*/) {return false;};
- virtual bool Remove(PkgIterator /*Pkg*/) {return false;};
- virtual bool Go() {return true;};
-
- public:
+ virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;};
+ virtual bool Go(int statusFd=-1) {return true;};
+ virtual void Reset() {};
+ // the result of the operation
+ OrderResult Res;
+
+ public:
+
// Main action members
bool GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
pkgRecords *Recs);
- bool DoInstall();
+
+ // Do the installation
+ OrderResult DoInstall(int statusFd=-1);
+
+ // stuff that needs to be done before the fork() of a library that
+ // uses apt
+ OrderResult DoInstallPreFork() {
+ Res = OrderInstall();
+ return Res;
+ };
+
+ // stuff that needs to be done after the fork
+ OrderResult DoInstallPostFork(int statusFd=-1) {
+ bool goResult = Go(statusFd);
+ if(goResult == false)
+ return Failed;
+
+ // if all was fine update the state file
+ if(Res == Completed) {
+ Cache.writeStateFile(NULL);
+ }
+ return Res;
+ };
+
bool FixMissing();
- pkgPackageManager(pkgDepCache &Cache);
+ pkgPackageManager(pkgDepCache *Cache);
virtual ~pkgPackageManager();
};