/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            cprlisten.cc
 *
 *  Tue Dec 27 17:05:42 CET 2005
 *  Copyright  2005 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *    This file is part of the Aasimon c++ framework.
 *
 *    This is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    It is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with it; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "cprlisten.h"

#include <iostream>
#include <string>
#include <stdio.h>

#include "aa_socket.h"

using namespace std;

#define MAGIC_STOP_STRING "SHUTTHEFUCKUP"

CPRListen::CPRListen(unsigned short port)
{
	this->port = port;
	cpr = "N/A";
	cprchanged = false;
	running = true;
}

CPRListen::~CPRListen()
{
}

void CPRListen::stop()
{
	running = false;
	try {
		AASocket socket;
		socket.connect("localhost", port);
		socket.send_string(MAGIC_STOP_STRING);
	} catch(Network_error &e) {
		//info->error("In stop(): %s.", e.error.c_str());
	}
}

void CPRListen::thread_main()
{
	//printf("Listening for CPRs.\n");
	while(running) {
		try {
			string newcpr;
			AASocket socket;
			socket.listen(port);
			newcpr = socket.receive_string();

 			if(newcpr == MAGIC_STOP_STRING) {
				running = false;
			}	else {
				mutex.lock();
				cprchanged = true;
				cpr = newcpr;
				mutex.unlock();
				//printf("Got CPR: %s.\n", cpr.c_str());
			}

		} catch(Network_error &e) {
			//printf("In thread_main(): %s.\n", e.error.c_str());
			running = false;
		}
	}
  //printf("Stopped listening for CPRs.\n");
}

bool CPRListen::cprChanged()
{
	return cprchanged;
}

string CPRListen::getCpr()
{
	string cpr_copy;

	mutex.lock();
	cpr_copy = cpr;
	mutex.unlock();

	cprchanged = false;

	return cpr_copy;
}