/*

 * Hedgewars, a worms-like game

 * Copyright (c) 2005 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * Distributed under the terms of the BSD-modified licence:

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * with the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include <qserversocket.h>

#include <qsocket.h>

#define MAXMSGCHARS 255

#define SENDIPC(a) SendIPC(a, sizeof(a) - 1)

class QSocket;

class QServerSocket;

class IPCServer : public QServerSocket

{

	Q_OBJECT

public:

	IPCServer( const QHostAddress & address, Q_UINT16 port, QObject *parent ) :

	QServerSocket(address, port, 1, parent, 0)

	{

		if ( !ok() )

		{

			qWarning("Failed to bind");

			exit( 1 );

		}

		msgsize = 0; 

	}

private:

	char msgbuf[MAXMSGCHARS];

	unsigned char msgbufsize; 

	unsigned char msgsize;	

	QSocket* ipcsock;

	void SendConfig()

	{

		SENDIPC("TL");

		SENDIPC("e$gmflags 0");

		SENDIPC("eaddteam");

		SENDIPC("ename team \"C0CuCKAzZz\"");

		SENDIPC("ename hh0 \"Йожык\"");

		SENDIPC("ename hh1 \"Ёжик\"");

		SENDIPC("ename hh2 \"Ёжык\"");

		SENDIPC("ename hh3 \"Йожик\"");

		SENDIPC("ename hh4 \"Ёжик без ножек\"");

		SENDIPC("ename hh5 \"Just hedgehog\"");

		SENDIPC("ename hh6 \"Ёжик без головы\"");

		SENDIPC("ename hh7 \"Валасатый йож\"");

		SENDIPC("ebind left  \"+left\"");

		SENDIPC("ebind right \"+right\"");

		SENDIPC("ebind up    \"+up\"");

		SENDIPC("ebind down  \"+down\"");

		SENDIPC("ebind F1  \"slot 1\"");

		SENDIPC("ebind F2  \"slot 2\"");

		SENDIPC("ebind F3  \"slot 3\"");

		SENDIPC("ebind F4  \"slot 4\"");

		SENDIPC("ebind F5  \"slot 5\"");

		SENDIPC("ebind F6  \"slot 6\"");

		SENDIPC("ebind F7  \"slot 7\"");

		SENDIPC("ebind F8  \"slot 8\"");

		SENDIPC("ebind F10 \"quit\"");

		SENDIPC("ebind F11 \"capture\"");

		SENDIPC("ebind space     \"+attack\"");

		SENDIPC("ebind return    \"ljump\"");

		SENDIPC("ebind backspace \"hjump\"");

		SENDIPC("ebind tab       \"switch\"");

		SENDIPC("ebind 1 \"timer 1\"");

		SENDIPC("ebind 2 \"timer 2\"");

		SENDIPC("ebind 3 \"timer 3\"");

		SENDIPC("ebind 4 \"timer 4\"");

		SENDIPC("ebind 5 \"timer 5\"");

		SENDIPC("ebind mousel \"put\"");

		SENDIPC("egrave \"coffin\"");

		SENDIPC("efort \"Barrelhouse\"");

		SENDIPC("ecolor 65535");

		SENDIPC("eadd hh0 0");

		SENDIPC("eadd hh1 0");

		SENDIPC("eadd hh2 0");

		SENDIPC("eadd hh3 0");

		SENDIPC("eaddteam");

		SENDIPC("ename team \"-= ЕЖЫ =-\"");

		SENDIPC("ename hh0 \"Маленький\"");

		SENDIPC("ename hh1 \"Удаленький\"");

		SENDIPC("ename hh2 \"Игольчатый\"");

		SENDIPC("ename hh3 \"Стреляный\"");

		SENDIPC("ename hh4 \"Ежиха\"");

		SENDIPC("ename hh5 \"Ежонок\"");

		SENDIPC("ename hh6 \"Инфернальный\"");

		SENDIPC("ename hh7 \"X\"");

		SENDIPC("egrave Bone");

		SENDIPC("ecolor 16776960");

		SENDIPC("eadd hh0 1");

		SENDIPC("eadd hh1 1");

		SENDIPC("eadd hh2 1");

		SENDIPC("eadd hh3 1");

		SENDIPC("efort Barrelhouse");		

	}

	void ParseMessage()

	{

		switch(msgsize) {

			case 1: switch(msgbuf[0]) {

				case '?': {

					SENDIPC("!");

					break;

				}

			}

			case 5: switch(msgbuf[0]) {

				case 'C': {

					SendConfig();

					break;

				}

			}

		}

	}

	void SendIPC(const char* msg, unsigned char len)

	{

		ipcsock->writeBlock((char *)&len, 1);

		ipcsock->writeBlock(msg, len);

	}

private slots:

	void newConnection( int socket )

	{

    	ipcsock = new QSocket( this );

		connect( ipcsock, SIGNAL(readyRead()), this, SLOT(readClient()) );

		connect( ipcsock, SIGNAL(delayedCloseFinished()), this, SLOT(discardClient()) );

		ipcsock->setSocket( socket );

	}

	void readClient()

	{

		Q_ULONG readbytes = 1;

		while (readbytes > 0) {

			if (msgsize == 0) {

				msgbufsize = 0;

				readbytes = ipcsock->readBlock((char *)&msgsize, 1);

			}

			else {

				msgbufsize += readbytes = ipcsock->readBlock((char *)&msgbuf[msgbufsize], msgsize - msgbufsize);

				if (msgbufsize = msgsize) {

					ParseMessage();

					msgsize = 0;

				}

			}

		}

	}

	void discardClient()

	{

    	delete ipcsock;

	}

};