juno

#!/bin/bash
# Copyright (c) 2010-12, Mitchell Cooper

DIR=`dirname "$(cd "${0%/*}" 2>/dev/null; echo "$PWD"/"${0##*/}")"`
ARGS=$@

showusage() {
    cat << EOF
usage: $0 [action]
    start       start juno IRCd
    forcestart  attempt to start juno under any circumstances
    stop        terminate juno IRCd
    debug       start in NOFORK mode with printed output
    rehash      rehash the server configuration file
    help        print this information
    mkpasswd    runs the password generator
EOF
}

runningq() {
    if [ -e "$DIR/etc/juno.pid" ]; then
        PID=`cat $DIR/etc/juno.pid`
        RUNNING=true
    fi
}

splash() {
    cat << "EOF"
      _                     _              _
     (_)                   (_)            | |
      _ _   _ _ __   ___    _ _ __ ___  __| |
     | | | | | '_ \ / _ \  | | '__/ __|/ _` |
     | | |_| | | | | (_) |-| | | | (__| (_| |
     | |\__,_|_| |_|\___/  |_|_|  \___|\__,_|
    _/ |
   |__/ 

EOF
}

check_if_running() {
    if [ ! "$RUNNING" ]; then
        echo "juno is not running!"
        exit 1
    fi
}

dostart() {
    echo "Starting juno"
    splash
    $DIR/run/ircd $DIR
}

start() {
    if [ "$RUNNING" ]; then
        echo "juno is already running!"
        exit 1
    fi
    dostart
}

forcestart() {
    if [ -e "$DIR/etc/juno.pid" ]; then
        rm -v $DIR/etc/juno.pid
    fi
    dostart
}

debug() {
    if [ "$RUNNING" ]; then
        echo "juno is already running!"
        exit 1
    fi
    echo "Running in NOFORK mode."
    splash
    $DIR/run/ircd $DIR NOFORK
}

stop() {
    check_if_running
    echo "Signaling $PID TERM"
    kill -TERM $PID
}

main() {
    case "${ARGS[0]}" in

        start)
            start
            ;;

        debug)
            debug
            ;;

        forcestart)
            forcestart
            ;;

        rehash)
            check_if_running
            echo "Rehashing server"
            echo rehash > $DIR/etc/HUP
            kill -HUP $PID
            ;;

        stop)
            stop
            ;;

        restart)
            stop
            #sleep .01
            forcestart
            ;;

        reset)
            rm -v $DIR/etc/juno.pid
            ;;

        mkpasswd)
            $DIR/run/mkpasswd
            ;;

        lines)
            $DIR/run/lines
            ;;

        help)
            showusage
            ;;

        *)
            echo "Incorrect parameter: ${ARGS[0]}"
            echo "$0 help for help"
            ;;

    esac
}

if [ ! "$1" ]; then
    showusage
    exit
fi

runningq
main