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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            miav_daemon.cc
 *
 *  Thu Jun  9 11:14:19 CEST 2005
 *  Copyright  2005 Bent Bisballe
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of MIaV.
 *
 *  MIaV 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.
 *
 *  MIaV 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 MIaV; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */

/*
 * $Id$
 */

/*
 * $Log$
 * Revision 1.2  2005/06/14 12:29:40  deva
 * Incorporated the use of the Info object everywhere... also using the log functionality.
 *
 * Revision 1.1  2005/06/09 11:00:03  deva
 * Added daemon code, and cleaned up using -Wall and -Werror
 *
 */

#include <config.h>
#include "miav_daemon.h"

#include "info_console.h"
#include "miav_config.h"

#include "server.h"
#include "socket.h"

#include <signal.h>
#include <errno.h>

MiavDaemon::MiavDaemon()
{}

MiavDaemon::~MiavDaemon()
{}

int MiavDaemon::daemon_main()
{
  MiavConfig cfg(ETC"/miav.conf", NULL);
  InfoConsole info(&cfg);
  config = new MiavConfig(ETC"/miav.conf", &info);
      
  int port = config->readInt("server_port");
  pid_t childpid; // variable to store the child's pid

  signal(SIGCLD, SIG_IGN);  // Ved SIGCHILD til IGNORE maa wait/waitpid ikke kaldes 
                            //   (ellers kommer der kernel-brok)
  
  info.log("Listening on port %d", port);
  Socket *socket = new Socket(port, &info);

  while(1) {
    Socket *csocket = new Socket(socket->slisten());
    if(csocket->isConnected()) {
      childpid = fork();
      
      switch(childpid) {
      case -1: // fork() returns -1 on failure
        info.log("Fork error: %s", strerror(errno));
        exit(1);
      case 0: // fork() returns 0 to the child process
        delete socket; // Close listen socket.
        newConnection(csocket, &info);
        delete csocket; // Close communication socket.
        exit(0);

      default: // fork() returns new pid to the parent process
        break;
      }
    }
  }
  delete socket;
  return 0;
}