CWE-ou-minkata/Sources/Plasma/FeatureLib/pfSecurePreloader/pfSecurePreloader.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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*==LICENSE==*/
#ifndef __pfSecurePreloader_h__
#define __pfSecurePreloader_h__

#include "HeadSpin.h"
#include "pnKeyedObject/hsKeyedObject.h"
#include "plNetGameLib/plNetGameLib.h"
#include <queue>

class plOperationProgress;
class hsRAMStream;

///////////////////////////////////////////////////////////////////////////////
// pfSecurePreloader - a class for handling files we want downloaded from the
// server into a temporary directory, secured, and deleted on exit. Puts stuff
// into plStreamSource for us
///////////////////////////////////////////////////////////////////////////////
class pfSecurePreloader : public hsKeyedObject
{
private:

    static pfSecurePreloader*     fInstance;
    std::queue<plFileName>        fManifestEntries;
    std::queue<plFileName>        fDownloadEntries;
    plOperationProgress*          fProgress;
    uint32_t                      fEncryptionKey[4];
    bool                          fLegacyMode;

    hsRAMStream* LoadToMemory(const plFileName& file) const;
    void SaveFile(hsStream* file, const plFileName& name) const;
    bool IsZipped(const plFileName& filename) const;

public:
    pfSecurePreloader() : fProgress(nil), fLegacyMode(false) { }

    CLASSNAME_REGISTER(pfSecurePreloader);
    GETINTERFACE_ANY(pfSecurePreloader, hsKeyedObject);

    void Init();
    void Start();
    void Terminate();
    void Finish();
    void Shutdown();

    void PreloadManifest(const NetCliFileManifestEntry manifestEntries[], uint32_t entryCount);
    void PreloadManifest(const NetCliAuthFileInfo manifestEntries[], uint32_t entryCount);
    void PreloadNextFile();
    void FilePreloaded(const plFileName& filename, hsStream* stream);
   
    plOperationProgress* GetProgressBar() { return fProgress; }

    static pfSecurePreloader* GetInstance() { return fInstance; }
    static void SetInstance(pfSecurePreloader* instance) { fInstance = instance; }
};

#endif // __pfSecurePreloader_h__