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minder.cpp

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/*
Copyright (C) 2004  Anders Hedstrom

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifdef _WIN32
#pragma warning(disable:4786)
#endif
#include <stdio.h>
#include <string>
#include <vector>
#include <map>
#include <signal.h>
#include <socket_include.h>

#include <ListenSocket.h>
#include <SocketHandler.h>
#include "config.h"
#include "MyTcpSocket.h"
#include "RedirWwwSocket.h"
#include "MyHandler.h"


#ifdef _DEBUG
#define DEB(x) x
#else
#define DEB(x) 
#endif


// this little program keeps tabs on all hosts in a game
// adjustable keep-alive frequency

#ifdef WIN32
WSADATA libmibWSAdata;
class X
{
public:
        X() { SocketStartup(); }
        ~X() { SocketCleanup(); }
};
X x;
#endif

static  int quit = 0;


#ifndef _WIN32
void sigint(int s) /* save+quit */
{
DEB(    printf("sigint\n");)
        quit++;
}

void sighup(int s) /* quit */
{
DEB(    printf("sighup\n");)
        quit++;
}

void sigusr1(int s) /* save */
{
}

void sigusr2(int s) /* reset all */
{
}

void sigpipe(int s)
{
}

void siginit(void)
{
        signal(SIGINT, (__sighandler_t)sigint);
        signal(SIGHUP, (__sighandler_t)sighup);
        signal(SIGUSR1, (__sighandler_t)sigusr1);
        signal(SIGUSR2, (__sighandler_t)sigusr2);
        signal(SIGPIPE, (__sighandler_t)sigpipe);
}
#endif


int main(int argc,char *argv[])
{
        // open listen socket
        // commands:
        //  init (state = startup)
        //  online (state = online)
        //  keepalive
        //  exit
        //  route (traceroute from host to minder)
        // sent as:
        //  http://minder.alhem.net:9696/init?ip&port
        //  http://minder.alhem.net:9696/route?10.0.0.1&10.0.0.2&...
        time_t t = time(NULL);
        MyHandler h;
        ListenSocket<MyTcpSocket> l(h);
        ListenSocket<RedirWwwSocket> l2(h);
        port_t redir_port = 0;

#ifndef _WIN32
        siginit();
#endif

        // default values
        config["minder_port"] = "9696";
        config["next_host_id"] = "1";
        // config["redir_port"] = "9666";

        parse_config(argc,argv,"minder.cfg");
//      config["progname"] = argv[0];

        if (l.Bind(atoi(config["minder_port"].c_str()), 20) != 0)
        {
DEB(            printf("Bind() failed\n");)
                exit(-1);
        }
        redir_port = atoi(config["redir_port"].c_str());
        if (redir_port > 0)
        {
                if (l2.Bind(redir_port, 20))
                {
DEB(                    perror("Bind() failed");)
                        exit(-2);
                }
        }

        h.Add(&l);
        if (redir_port > 0)
        {
                h.Add(&l2);
        }

        while (!quit)
        {
                h.Select(1,0);
                if (time(NULL) - t > 60)
                {
                        h.CheckTimeout();
                }
        }

        return 0;
}

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