/*
 * FILE:    mbus_handler.c
 * AUTHORS: Colin Perkins, Piers O'Hanlon
 * Modified by Dimitrios Miras
 * 
 * Copyright (c) 1997,1999 University College London
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted, for non-commercial use only, provided
 * that the following conditions are met:
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the Computer Science
 *      Department at University College London
 * 4. Neither the name of the University nor of the Department may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 * Use of this software for commercial purposes is explicitly forbidden
 * unless prior written permission is obtained from the authors.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED 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 AUTHORS OR CONTRIBUTORS 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.
 */

/*#ifndef WIN32
#include <strings.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#endif

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <assert.h>
  */
#include "mbus_handler.h"

MBusHandler::MBusHandler(void (*cmd_handler)(char *src, char *cmd, char *arg, void *dat), 
		       void (*err_handler)(int seqnum, int reason))
{
	char mbus_vic_addr[100];

        sprintf(mbus_vic_addr, "(media:video module:engine app:vic instance:%lu)", (u_int32_t) getpid());
	mbusp_ = mbus_init(cmd_handler, err_handler, mbus_vic_addr);
	//unlink();

	// Schedule a heartbeat
	msched(50);
}

void MBusHandler::listen_audio() {
	mbus_audio_addr = strdup("(media:audio module:engine)");
}



MBusHandler::~MBusHandler()
{
	if (mbusp_) mbus_exit(mbusp_);
}


void MBusHandler::dispatch(int)
{
	//mbus_recv(mbusp_, this);
}


void MBusHandler::timeout()
{
	double now = gettimeofday();
	struct timeval     timeout;

	timeout.tv_sec  = 0;
	timeout.tv_usec = 0;

	mbus_send(mbusp_);
	mbus_recv(mbusp_, (void *) this, &timeout);
	mbus_retransmit(mbusp_);
	mbus_heartbeat(mbusp_, 1);
	mbus_send(mbusp_);

	msched(50);

	return;
}