#!/bin/bash

# Tentacle server simple startup script (no pid file is written).
# Ramon Novoa  <rnovoa@artica.es>
# Linux Version (generic)
# v0.1 Build 210508

# chkconfig: 2345 55 25
# description: Tentacle server
# processname: tentacle_server

# Pandora server settings
PANDORA_SERVER_PATH="/var/spool/pandora/data_in"

# Tentacle server settings
TENTACLE_DAEMON="tentacle_server"
TENTACLE_PATH="/usr/local/bin"
TENTACLE_USER="pandora"

TENTACLE_ADDR="0.0.0.0"
TENTACLE_PORT="41121"
TENTACLE_EXT_OPTS=""

# Sets the shell variable TENTACLE_PID to the PID of the Tentacle server (empty
# if not running). Can be a list of PIDs if multiple instances are running.
function get_pid {
	TENTACLE_PID=$(pidof -x $TENTACLE_DAEMON)
}

# Main script
TENTACLE_OPTS="-a $TENTACLE_ADDR -p $TENTACLE_PORT -s $PANDORA_SERVER_PATH $TENTACLE_EXT_OPTS -d"

# Fix TENTACLE_PATH
case "$TENTACLE_PATH" in
	*\/)
	;;
	*)
		TENTACLE_PATH="${TENTACLE_PATH}/"
	;;
esac

if [ ! -f "${TENTACLE_PATH}$TENTACLE_DAEMON" ]; then
        echo "Tentacle server not found in ${TENTACLE_PATH}$TENTACLE_DAEMON."
        exit 1
fi

case "$1" in
  	start)
		get_pid
		if [ ! -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is already running with PID $TENTACLE_PID."
			exit 1
		fi
	
		sudo -u $TENTACLE_USER ${TENTACLE_PATH}$TENTACLE_DAEMON $TENTACLE_OPTS
		sleep 1

		get_pid
		if [ ! -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is now running with PID $TENTACLE_PID."
		else
			echo "Tentacle server could not be started."
			exit 1
		fi

		exit 0
        ;;
	
	stop)
		get_pid
		if [ -z "$TENTACLE_PID" ]; then
			echo "Tentacle server does not seem to be running."
			exit 1;
		else
			kill $TENTACLE_PID > /dev/null 2>&1
			sleep 1

			get_pid
			if [ ! -z "$TENTACLE_PID" ]; then
				echo "Tentacle server could not be stopped."
				exit 1
			fi

			echo "Tentacle server stopped."
		fi

		exit 0
	;;

	force-reload|restart)
        	$0 stop
	        $0 start
        ;;

	status)
		get_pid
		if [ -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is not running."
		else
			echo "Tentacle server is running with PID $TENTACLE_PID."
		fi
		
		exit 0
        ;;

	*)
 		echo "Usage: $0 {start|stop|restart|status}"
		exit 1
	;;
esac