/home/jander/temp/etherdune/TCPListener.h

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// EtherDune TCP Listener helper template class
// Author: Javier Peletier <jm@friendev.com>
// Summary: Maintains a list of available sockets, also listening and spawning sockets to
// serve multiple clients simultaneously.
//
// Copyright (c) 2015 All Rights Reserved, http://friendev.com
//
// This source is subject to the GPLv2 license.
// Please see the License.txt file for more information.
// All other rights reserved.
//
// THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY 
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.

#ifndef _TCPLISTENER_H_
#define _TCPLISTENER_H_

#include "TCPSocket.h"


//SOCKET is expected to derive from TCPSocket
template <class SOCKET, uint8_t MAX_CLIENTS>
class TCPListener : public TCPSocket
{
protected:
    SOCKET clients[MAX_CLIENTS];
    virtual void onNoMoreConnections(){}

protected:
    
    void onTerminate()
    {
        TCPSocket::listen();
    }
    void onConnectRequest()
    {

        for (int i = 0; i < MAX_CLIENTS; i++)
        {
            SOCKET& sck = clients[i];
            if (sck.getState() == SCK_STATE_CLOSED)
            {
                sck.accept(*this);

                return;
            }
        }

        onNoMoreConnections();

    }

public:
    void listen(uint16_t port)
    {
        localPort = port;
        TCPSocket::listen();
    }



};


#endif