worker.hpp

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/**************************************************************************
*   Copyright (C) 2010 by Eugene V. Lyubimkin                             *
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*   it under the terms of the GNU General Public License                  *
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*   GNU General Public License for more details.                          *
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#ifndef CUPT_SYSTEM_WORKER_SEEN
#define CUPT_SYSTEM_WORKER_SEEN
 
 
#include <map>
 
#include <cupt/common.hpp>
#include <cupt/fwd.hpp>
#include <cupt/system/resolver.hpp>
 
namespace cupt {
 
namespace internal {
 
class WorkerImpl;
 
}
 
namespace system {
 
class CUPT_API Worker
{
    internal::WorkerImpl* __impl;
 
    Worker(const Worker&);
    Worker& operator=(const Worker&);
 public:
    struct Action
    {
        enum Type {
            Install, 
            Remove, 
            Purge, 
            Upgrade, 
            Downgrade, 
            Configure, 
            Deconfigure, 
            ProcessTriggers, 
            Reinstall, 
            Count 
        };
        static const char* rawStrings[Count]; 
    };
    struct ActionsPreview
    {
        Resolver::SuggestedPackages groups[Action::Count]; 
 
        std::map< string, bool > autoFlagChanges;
    };
 
 
    Worker(const shared_ptr< const Config >& config, const shared_ptr< const Cache >& cache);
    virtual ~Worker();
    void setDesiredState(const Resolver::Offer& offer);
    void setPackagePurgeFlag(const string& packageName, bool value);
 
    shared_ptr< const ActionsPreview > getActionsPreview() const;
    map< string, ssize_t > getUnpackedSizesPreview() const;
    pair< size_t, size_t > getDownloadSizesPreview() const;
 
    void changeSystem(const shared_ptr< download::Progress >& progress);
 
    void updateReleaseAndIndexData(const shared_ptr< download::Progress >& progress);
 
 
    vector< pair< string, const BinaryVersion* > > getArchivesInfo() const;
    void deleteArchive(const string& path);
    void deletePartialArchives();
 
    void saveSnapshot(const Snapshots&, const string& name);
    void renameSnapshot(const Snapshots&,
        const string& previousName, const string& newName);
    void removeSnapshot(const Snapshots&, const string& name);
};
 
}
}
 
#endif