#!/bin/sh
# This is for RHEL/CentOS/OL systems
# processname: uarespawnd
# chkconfig: 345 99 10
# description: This script is the daemon script to start Fx/Vx services when it dies abnormally

# This is for SLES systems
### BEGIN INIT INFO
# Provides:         uarespawnd
# Required-Start:   $ALL
# Required-Stop:    $null
# Default-Start:    3 4 5
# Default-Stop:     0 1 2 6
# Description:      This script is the daemon script to start Fx/Vx services when it dies abnormally
#### END INIT INFO

PID_FILE="/var/run/uarespawnd.pid"
LOCKFILE=/var/lock/subsys/uarespawnd
LOG_FILE="/var/log/uarespawnd.log"

if [ ! -d /var/lock/subsys ]; then
    mkdir -p /var/lock/subsys
fi

# Log function
LOG() {
    echo "$(date "+%b  %d %T"): $(hostname): uarespawndagent[$(cat $PID_FILE )]: ${*}" >> $LOG_FILE 2>&1
}

check_pid() {
     RESPAWND_PID=$(ps -ef | grep uarespawndagent | grep -v grep | awk '{print $2}')
     [ -n "$RESPAWND_PID" ] && return 0 || return 1
}

status_uarespawnd() {
    if check_pid ; then
        echo "UA Respawn daemon is running..."
    else
        echo "UA Respawn daemon is not running."
    fi

}

stop_uarespawnd() {
    if check_pid ; then
        echo "Stopping UA Respawn daemon..."
        LOG "Stopping UA Respawn daemon..."
        kill -15 "${RESPAWND_PID}" >/dev/null 2>&1
        rm -f $PID_FILE $LOCKFILE >/dev/null 2>&1
    else
        echo "UA Respawn daemon is not running."
    fi
}

start_uarespawnd() {
    if check_pid ; then
        echo "UA Respawn daemon is already running."
    else
        echo "Starting UA Respawn daemon..."
        rm -f $PID_FILE >/dev/null 2>&1
        /usr/local/ASR/Vx/bin/uarespawndagent
        LOG "Starting UA Respawn daemon..."
        touch $LOCKFILE >/dev/null 2>&1
    fi
}

usage () {
    echo "Usage: $0 [ start | stop | status | restart ] "
}

case "$1" in
    start)
        start_uarespawnd
        ;;
    stop)
        stop_uarespawnd
        ;;
    status)
        status_uarespawnd
        ;;
    restart)
        stop_uarespawnd
        start_uarespawnd
        ;;
    *)
        usage
        ;;
esac

### END ###