147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
#ifndef CRYPTOPP_WINPIPES_H
|
|
#define CRYPTOPP_WINPIPES_H
|
|
|
|
#include "config.h"
|
|
|
|
#if !defined(NO_OS_DEPENDENCE) && defined(WINDOWS_PIPES_AVAILABLE)
|
|
|
|
#include "cryptlib.h"
|
|
#include "network.h"
|
|
#include "queue.h"
|
|
#include <winsock2.h>
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
/// \brief Windows Handle
|
|
class WindowsHandle
|
|
{
|
|
public:
|
|
virtual ~WindowsHandle();
|
|
|
|
WindowsHandle(HANDLE h = INVALID_HANDLE_VALUE, bool own=false);
|
|
WindowsHandle(const WindowsHandle &h) : m_h(h.m_h), m_own(false) {}
|
|
|
|
bool GetOwnership() const {return m_own;}
|
|
void SetOwnership(bool own) {m_own = own;}
|
|
|
|
operator HANDLE() const {return m_h;}
|
|
HANDLE GetHandle() const {return m_h;}
|
|
bool HandleValid() const;
|
|
void AttachHandle(HANDLE h, bool own=false);
|
|
HANDLE DetachHandle();
|
|
void CloseHandle();
|
|
|
|
protected:
|
|
virtual void HandleChanged() {}
|
|
|
|
HANDLE m_h;
|
|
bool m_own;
|
|
};
|
|
|
|
/// \brief Windows Pipe
|
|
class WindowsPipe
|
|
{
|
|
public:
|
|
class Err : public OS_Error
|
|
{
|
|
public:
|
|
Err(HANDLE h, const std::string& operation, int error);
|
|
HANDLE GetHandle() const {return m_h;}
|
|
|
|
private:
|
|
HANDLE m_h;
|
|
};
|
|
|
|
protected:
|
|
virtual HANDLE GetHandle() const =0;
|
|
virtual void HandleError(const char *operation) const;
|
|
void CheckAndHandleError(const char *operation, BOOL result) const
|
|
{if (!result) HandleError(operation);}
|
|
};
|
|
|
|
/// \brief Pipe-based implementation of NetworkReceiver
|
|
class WindowsPipeReceiver : public WindowsPipe, public NetworkReceiver
|
|
{
|
|
public:
|
|
WindowsPipeReceiver();
|
|
|
|
bool MustWaitForResult() {return true;}
|
|
bool Receive(byte* buf, size_t bufLen);
|
|
unsigned int GetReceiveResult();
|
|
bool EofReceived() const {return m_eofReceived;}
|
|
|
|
HANDLE GetHandle() const {return m_event;}
|
|
unsigned int GetMaxWaitObjectCount() const {return 1;}
|
|
void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack);
|
|
|
|
private:
|
|
WindowsHandle m_event;
|
|
OVERLAPPED m_overlapped;
|
|
DWORD m_lastResult;
|
|
bool m_resultPending;
|
|
bool m_eofReceived;
|
|
};
|
|
|
|
/// \brief Pipe-based implementation of NetworkSender
|
|
class WindowsPipeSender : public WindowsPipe, public NetworkSender
|
|
{
|
|
public:
|
|
WindowsPipeSender();
|
|
|
|
bool MustWaitForResult() {return true;}
|
|
void Send(const byte* buf, size_t bufLen);
|
|
unsigned int GetSendResult();
|
|
bool MustWaitForEof() { return false; }
|
|
void SendEof() {}
|
|
|
|
HANDLE GetHandle() const {return m_event;}
|
|
unsigned int GetMaxWaitObjectCount() const {return 1;}
|
|
void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack);
|
|
|
|
private:
|
|
WindowsHandle m_event;
|
|
OVERLAPPED m_overlapped;
|
|
DWORD m_lastResult;
|
|
bool m_resultPending;
|
|
};
|
|
|
|
/// \brief Windows Pipe Source
|
|
class WindowsPipeSource : public WindowsHandle, public NetworkSource, public WindowsPipeReceiver
|
|
{
|
|
public:
|
|
WindowsPipeSource(HANDLE h=INVALID_HANDLE_VALUE, bool pumpAll=false, BufferedTransformation *attachment=NULLPTR)
|
|
: WindowsHandle(h), NetworkSource(attachment)
|
|
{
|
|
if (pumpAll)
|
|
PumpAll();
|
|
}
|
|
|
|
using NetworkSource::GetMaxWaitObjectCount;
|
|
using NetworkSource::GetWaitObjects;
|
|
|
|
private:
|
|
HANDLE GetHandle() const {return WindowsHandle::GetHandle();}
|
|
NetworkReceiver & AccessReceiver() {return *this;}
|
|
};
|
|
|
|
/// \brief Windows Pipe Sink
|
|
class WindowsPipeSink : public WindowsHandle, public NetworkSink, public WindowsPipeSender
|
|
{
|
|
public:
|
|
WindowsPipeSink(HANDLE h=INVALID_HANDLE_VALUE, unsigned int maxBufferSize=0, unsigned int autoFlushBound=16*1024)
|
|
: WindowsHandle(h), NetworkSink(maxBufferSize, autoFlushBound) {}
|
|
|
|
using NetworkSink::GetMaxWaitObjectCount;
|
|
using NetworkSink::GetWaitObjects;
|
|
|
|
private:
|
|
HANDLE GetHandle() const {return WindowsHandle::GetHandle();}
|
|
NetworkSender & AccessSender() {return *this;}
|
|
};
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif // WINDOWS_PIPES_AVAILABLE
|
|
|
|
#endif
|