#! /bin/sh
#
# Copyright (c) 2013-2014, 2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#

#
# chkconfig: 2345 95 95
#
### BEGIN INIT INFO
# Provides:          mtcClient
# Required-Start: $null
# Required-Stop: $null
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: Maintenance Client Daemon 
### END INIT INFO

CENTOS_FUNCTIONS="/etc/init.d/functions"
DEBIAN_FUNCTIONS="/lib/lsb/init-functions"
if [ ! -f ${CENTOS_FUNCTIONS} ] ; then 
    . ${DEBIAN_FUNCTIONS}
else 
    . ${CENTOS_FUNCTIONS}
fi

DAEMON_NAME="mtcClient"
DAEMON_CENTOS_PATH="/usr/local/bin/${DAEMON_NAME}"
DAEMON_DEBIAN_PATH="/usr/bin/${DAEMON_NAME}"
if [ ! -f ${DAEMON_CENTOS_PATH} ] ; then 
    DAEMON=${DAEMON_DEBIAN_PATH}
else 
    DAEMON=${DAEMON_CENTOS_PATH}
fi
PIDFILE="/var/run/${DAEMON_NAME}.pid"
PLATFORM_CONF="/etc/platform/platform.conf"

IFACE=""

# Linux Standard Base (LSB) Error Codes
RETVAL=0
GENERIC_ERROR=1
INVALID_ARGS=2
UNSUPPORTED_FEATURE=3
NOT_INSTALLED=5
NOT_RUNNING=7

PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin
export PATH

if [ ! -e  "${DAEMON}" ] ; then
    logger "${DAEMON} is missing"
    exit ${NOT_INSTALLED}
fi

# Note: Commenting out this check and replace it with a change to the
# mtcClient service file to have it auto restarted by systemd if it fails.
# This check or recovery action has been seen to stall the startup script
# longer than 10 seconds.
#
# if [ -f ${PLATFORM_CONF} ] ; then
#     IFACE=`cat ${PLATFORM_CONF} | grep management_interface | cut -f2 -d'='`
#     if [ "${IFACE}" != "" ] ; then
#         if ip link show $IFACE | grep -sq 'state DOWN'; then
#            ip link set dev $IFACE up
#         fi
#     fi
# fi

case "$1" in
    start)
        logger "Starting ${DAEMON_NAME}"
        echo -n "Starting ${DAEMON_NAME}: "
        if [ -n "`pidof ${DAEMON_NAME}`" ] ; then
            echo -n "is already running "
            RETVAL=0
        else
            start-stop-daemon --start -b -x ${DAEMON} -- -l
            RETVAL=$?
        fi
        if [ ${RETVAL} -eq 0 ] ; then
            pid=`pidof ${DAEMON_NAME}`
            echo "OK"
            logger "${DAEMON} (${pid})"
        else
            echo "FAIL"
            RETVAL=${GENERIC_ERROR}
        fi
        ;;

    stop)
        logger "Stopping ${DAEMON_NAME}"
        echo -n "Stopping ${DAEMON_NAME}: "
        if [ -n "`pidof ${DAEMON_NAME}`" ] ; then
            killproc ${DAEMON_NAME}
        fi
        if [ -n "`pidof ${DAEMON_NAME}`" ] ; then
            echo "FAIL"
            RETVAL=${NOT_RUNNING}            
        else
            echo "OK"
        fi
        rm -f ${PIDFILE}
        ;;

    restart)
        $0 stop
        $0 start
        ;;

    status)
        pid=`pidof ${DAEMON_NAME}`
        RETVAL=$?
        if [ ${RETVAL} -eq 0 ] ; then
            echo "${DAEMON_NAME} is running"
        else
            echo "${DAEMON_NAME} is NOT running"
            RETVAL=${NOT_RUNNING}
        fi
        ;;

    condrestart)
        $0 restart
        ;;

    *)
        echo "usage: $0 { start | stop | status | restart | condrestart | status }"
        ;;
esac

exit ${RETVAL}