// TortoiseSVN - a Windows shell extension for easy version control

// Copyright (C) 2003-2011, 2014, 2017, 2021 - TortoiseSVN

// 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 the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// 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, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once
#include "SmartHandle.h"

struct TSVNCacheResponse;
class CTSVNPath;

/**
 * \ingroup TortoiseShell
 * This class provides the link to the cache process.
 */
class CRemoteCacheLink
{
public:
    CRemoteCacheLink();
    ~CRemoteCacheLink();

public:
    bool GetStatusFromRemoteCache(const CTSVNPath& path, TSVNCacheResponse* pReturnedStatus, bool bRecursive);
    bool ReleaseLockForPath(const CTSVNPath& path);

private:
    static bool InternalEnsurePipeOpen(CAutoFile& hPipe, const CString& pipeName, bool overlapped);

    bool EnsurePipeOpen();
    void ClosePipe();

    bool EnsureCommandPipeOpen();
    void CloseCommandPipe();

    static DWORD   GetProcessIntegrityLevel();
    bool           RunTsvnCacheProcess() const;
    static CString GetTsvnCachePath();

private:
    CAutoFile          m_hPipe;
    OVERLAPPED         m_overlapped;
    CAutoGeneralHandle m_hEvent;

    CAutoFile m_hCommandPipe;

    CComAutoCriticalSection m_critSec;
    svn_client_status_t     m_dummyStatus;
    LONGLONG                m_lastTimeout;
};