Class CryptFileForward

libcppcryptfs/file/cryptfile.h:91–169

};

class CryptFileForward:  public CryptFile
{
private:
	shared_ptr<CryptOpenFile> m_openfile;

	bool m_bExclusiveLock;

	void Unlock()
	{
		if (m_openfile) {
			if (m_bExclusiveLock)
				m_openfile->UnlockExclusive();
			else
				m_openfile->UnlockShared();			
		}
	}

	void Lock()
	{
		if (m_openfile) {
			if (m_bExclusiveLock)
				m_openfile->LockExclusive();
			else
				m_openfile->LockShared();
		}
	}

	void ReLock(bool exclusive)
	{
		Unlock();		
		m_bExclusiveLock = exclusive;
		Lock();
	}

	void ReLock()
	{
		ReLock(m_bExclusiveLock);
	}

	void GoExclusive()
	{
		ReLock(true);
	}

	void GoShared()
	{	
		ReLock(false);
	}

public:


	virtual BOOL Associate(CryptContext *con, HANDLE hfile, LPCWSTR inputPath, bool /* unused */);

	virtual BOOL Read(unsigned char *buf, DWORD buflen, LPDWORD pNread, LONGLONG offset);

	virtual BOOL Write(const unsigned char *buf, DWORD buflen, LPDWORD pNwritten, LONGLONG offset, BOOL bWriteToEndOfFile, BOOL bPagingIo);