2003-01-02_csocket.h

JK Proxy Project - Version 0.1 ------------------------------ This was going to be a proxy serve

/*
+-----------------------------------------------------------------------------+
|                                                                             |
|   csocket.h                                                                 |
|   Last change: yyyy-mm-dd                                                   |
|                                                                             |
|   Author: Jan Krumsiek                                                      |
|   eMail:  [e-mail]                                                |
|   Web:    http://www.krumsiek.com/proxy                                     |
|                                                                             |
|   Copyright 2003 - Jan Krumsiek                                             |
|   This source code can freely be modified and redistributed. No liability   |
|   whatsoever is taken by the author for any use of this software.           |
|                                                                             |
|   Description:                                                              |
|   This is the base sockets class each platform socket implementation has    |
|   to inherit. It defines the interface all other program parts have to      |
|   use for using sockets.                                                    |
|                                                                             |
+-----------------------------------------------------------------------------+
*/

#ifndef _CSOCKET_H_
#define _CSOCKET_H_

#include "proxymain.h"

// callback function typedefs
typedef LRESULT (CALLBACK *SubProc)(HWND hwnd, UINT message,     WPARAM  wParam, LPARAM lParam);

// typedefs for handler function signatures
typedef void (*t_data)(UINT socket, CHARPTR data, UINT length);	// Data arrival
typedef void (*t_error)(UINT socket, UINT errorno, CHARPTR msg);	// Error
typedef void (*t_accept)(UINT socket);
typedef void (*t_close)(UINT socket);
typedef void (*t_connect)(UINT socket);

// class declaration
class CSocket
{

public:	

	// all functions are declared as "virtual" which forces the
	// child classes to define them with their own code
	
	// function which connects to another host
	virtual UINT Connect(CHARPTR host, USHORT port)=0;
	// server function which let's the class listen on a port
	virtual UINT Listen(UINT port)=0;
	// closes a port
	virtual void Close(UINT socket)=0;

	// sends 'length' bytes from 'data' to 'socket'
	virtual Send(UINT socket, CHARPTR data, UINT length)=0;
	// sends the 0-terminated string 'data' to 'socket'
	virtual Sendsz(UINT socket, CHARPTR data)=0;

	// returns IP address of peer of socket 'socket'
	virtual CHARPTR GetPeerIP(UINT socket)=0;

	// function which tells the sockets class the addresses of all handlers
	virtual SetEventHandlers(t_connect connproc, t_accept acceptproc,
							t_close closeproc, t_data arrivalproc,
							t_error errorproc)=0;


};

#endif