/*
 *  ircd-ratbox: A slightly useful ircd.
 *  restart.c: Functions to allow the ircd to restart.
 *
 *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
 *  Copyright (C) 1996-2002 Hybrid Development Team
 *  Copyright (C) 2002-2005 ircd-ratbox development team
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 *  USA
 *
 */

#include "stdinc.h"
#include "restart.h"
#include "ircd.h"
#include "send.h"
#include "logger.h"
#include "s_conf.h"
#include "client.h"
#include "ircd_signal.h"

/* external var */
extern char **myargv;

void
restart(const char *mesg)
{
    static int was_here = NO;	/* redundant due to restarting flag below */

    if(was_here)
        abort();
    was_here = YES;

    ilog(L_MAIN, "Restarting Server because: %s", mesg);

    server_reboot();
}

void
server_reboot(void)
{
    int i;
    char path[PATH_MAX+1];

    sendto_realops_snomask(SNO_GENERAL, L_ALL, "Restarting server...");

    ilog(L_MAIN, "Restarting server...");

    /*
     * XXX we used to call flush_connections() here. But since this routine
     * doesn't exist anymore, we won't be flushing. This is ok, since
     * when close handlers come into existance, rb_close() will be called
     * below, and the data flushing will be implicit.
     *    -- adrian
     *
     * bah, for now, the program ain't coming back to here, so forcibly
     * close everything the "wrong" way for now, and just LEAVE...
     */
    for (i = 0; i < maxconnections; ++i)
        close(i);

    unlink(pidFileName);
    execv(SPATH, (void *)myargv);

    /* use this if execv of SPATH fails */
    rb_snprintf(path, sizeof(path), "%s/bin/ircd", ConfigFileEntry.dpath);

    execv(path, (void *)myargv);
    exit(-1);
}
