/*
   net/tcpserver.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#ifndef __INCLUDED_NET_TCPSERVER_H__
#define __INCLUDED_NET_TCPSERVER_H__

namespace net
{

#include <string>

/// A TCP server, listening on a port
class TCPServer
{
public:
	/// Create a new TCP server, listening on a port
	TCPServer(std::string const host, unsigned int const port);
	
	/// Delete the TCP server. If the file descriptor is still open, it will be closed
	virtual ~TCPServer();
	
	/// Returns true if the TCP server has a valid file descriptor
	bool valid() const;
	
	/// Returns true if the TCP server has an invalid file descriptor
	bool invalid() const;
	
	/// Returns the error state of the TCP server
	bool error() const;
	
protected:
	/// accept an incoming connection
	void accept();
	
	/// Set the error state
	void abort();
	
	/// Returns the file descriptor the TCP server is listening on
	int fd() const;

	/// Called by accept() whenever a new client connects
	virtual void client_connect(int const clientfd, std::string const host, int const port) = 0;
	
private:
	bool	tcpserver_error;
	int	tcpserver_fd;
};

}

#endif // __INCLUDED_NET_TCPSERVER_H__