#ifndef _TCP_H_
#define _TCP_H_

#include <winsock.h>
#include <string>
#include <afxmt.h>

#define MVSOL_TCP_CONNECTION_CHANGED (WM_USER + 0x1000)

namespace mvsol
{
	class TcpSocket
	{
	public:
		TcpSocket(HWND parent);
		~TcpSocket();

		enum
		{
			kConnected = 0,
			kDisconnected,
		};

		static const INT BUFFERSIZE = 1024;

		BOOL Connect(const CString& ip, INT port);
		BOOL Disconnect();

	protected:
		BOOL Create();
		void Close();

		int SendWait(PBYTE indata, INT indatasize, PBYTE outdata, PINT outdatasize);

	private:
		int Send(const PBYTE indata, INT indatasize);
		int Receive(PBYTE outdata, INT* outdatasize);	

	//¼Ó¼º
	public:
		void SetParent(HWND parent) { parent_ = parent; }

		BOOL IsConnected() const { return isconnected_; }
		BOOL IsCreated() const { return iscreated_; }

	protected:
		WSAData wsadata_;

		BOOL iscreated_;
		BOOL isconnected_;
		sockaddr_in server_;
		sockaddr_in local_;

		SOCKET socket_;

		HWND parent_;

		CCriticalSection cs_;
	};

} // namespace mvsol

#endif // _TCP_H_