IBContoller init script

ib-controller-init

#! /bin/sh

### BEGIN INIT INFO
# Provides:          IBController
# Short-Description: starts instance of IBController
# Description:       starts instance of IBController using start-stop-daemon
### END INIT INFO

# IBController
IBC_PATH="/path/to/IBController"
IBC_INI="/path/to/IBController/IBController.ini"
IBC_JAR=IBController.jar

# TWS/GW
TWS_PATH="/path/to/IBTWS-OR-IBGW"
TWS_JARS="${TWS_PATH}/jts.jar:${TWS_PATH}/total.2013.jar"

# JAVA/Daemon
JAVAOPTS='-Xmx768M -XX:MaxPermSize=256M'
DAEMON_OPTS=" -a java -cp  ${TWS_JARS}:${IBC_PATH}/${IBC_JAR} ${JAVAOPTS} ibcontroller.IBGatewayController ${IBC_INI}"
##########################################

# user
RUN_AS=root

# path to xvfb bin
DAEMON=/usr/bin/xvfb-run

# Path to store PID file
PID_FILE="/var/run/ibcontroller/xvfb.pid"
PID_PATH=$(dirname $PID_FILE)

# app/script name
NAME=IBController

# startup args
############# END EDIT ME ################

get_pid() {
    cat "$PID_FILE"
}

is_running() {
    [ -f "$PID_FILE" ] && ps `get_pid` > /dev/null 2>&1
}

##########################################

test -x $DAEMON || exit 0
set -e

case "$1" in

    start)
        if is_running; then
            echo "Already started (pid" `get_pid`")"
        else
            echo "Starting $NAME..."
            rm -rf $PID_PATH || return 1
            install -d --mode=0755 -o $RUN_AS $PID_PATH || return 1
            start-stop-daemon -d $IBC_PATH -c $RUN_AS --start --background --pidfile $PID_FILE --make-pidfile --exec $DAEMON -- $DAEMON_OPTS
            echo " * $NAME started successfully (pid" `get_pid`")"
            if ! is_running; then
                echo "Unable to start $NAME"
                exit 1
            fi
        fi
        ;;

    stop)
        if ! is_running; then
            echo " * $NAME isn't running"
            exit 1
        else
            echo " * Stopping $NAME..."
            # kill `get_pid`
            # hacky kill command because we can't get PID of java process when starting daemon
            pgrep -f "(${IBC_JAR}.*.ini)" | xargs kill -9
            for i in {1..10}
            do
                if ! is_running; then
                    break
                fi
                echo -n "."
                sleep 1
            done

            if is_running; then
                echo " * $NAME Not stopped; may still be shutting down or shutdown may have failed."
                exit 1
            else
                echo " * $NAME stopped successfully"
                if [ -f "$PID_FILE" ]; then
                    rm -f $PID_FILE
                fi
            fi
        fi
        ;;

    restart)
        $0 stop

        if is_running; then
            echo " * Unable to stop $NAME. Will not attempt to start."
            exit 1
        fi

        $0 start
        ;;

    status)
        if is_running; then
            echo " * $NAME is running (pid" `get_pid`")"
        else
            echo " * $NAME is not running"
            exit 1
        fi
        ;;
    *)

    echo "Usage: $0 {start|stop|restart|status}" >&2
    exit 1
    ;;

esac

exit 0