#!/bin/sh
#
# pingcntl: echolot control + wrapper
# Written by admin@arancio.net, peter@palfrader.org

set -e

################################################################
# You perhaps want to change those items

USER=pinger
VERBOSE=0
PINGD="/home/pinger/echolot/pingd"

# You probably don't want to mess with stuff below this line
################################################################

CHECKULIMIT=1
CHECKUID=1

# Check for evil ulimits
if [ "$CHECKULIMIT" -gt "0" ]; then
	FDs=`ulimit -n`
	HFDs=`ulimit -H -n`
	if [ "$FDs" -lt "512" ]; then
		if [ "$HFDs" -lt "512" ]; then
			echo "Hardlimit for open File Descriptors is less than 512." >&2
			echo "Please consider raising it." >&2
			if [ "$FDs" -lt "$HFDs" ]; then
				echo "Raising it to $HFDs" >&2
				ulimit -n $HFDs
			fi
		else
			if [ "$HFDs" -lt "1024" ]; then
				FDs=$HFDs
			else
				FDs=1024
			fi
			echo "Softlimit for open File Descriptors is less than 512." >&2
			echo "Raising it to $FDs" >&2
			ulimit -n $FDs
		fi
	fi
fi


# Check for right User
SU=""
if [ "$CHECKUID" -gt "0" ]; then
	CUID=`id -u`
	CUIDNAME=`id -nu`
	if [ "$CUIDNAME" = "$USER" ]; then
		SU=""
	elif [ "$CUID" = "0" ]; then
		SU="su $USER -c"
	else
		echo "You are neither $USER nor root. Aborting." >&2
		exit 1;
	fi
fi

# set VERBOSE
if [ $VERBOSE -gt 0 ]; then
	VERBOSE="--verbose"
else
	VERBOSE=""
fi


case $1 in

start)
	echo -n "Starting Echolot: pingd" 
	if [ ! -z "$SU" ]; then
		$SU "$PINGD --detach $VERBOSE start"
	else
		$PINGD --detach $VERBOSE start
	fi
	echo "."
	;;

stop)
	echo -n "Stopping Echolot: pingd" 
	if [ ! -z "$SU" ]; then
 		$SU "$PINGD stop"
	else
 		$PINGD stop
	fi
	echo "."
	;;

reload|force-reload|restart)
	$0 stop
	sleep 10
	$0 start
	;;
process|add|delete|set|setremailercaps|deleteremailercaps|getkeyconf|sendpings|sendchainpings|buildstats|buildkeys|buildthesaurus|buildfromlines|dumpconf|summary)
	echo "Running pingd $1..."
	if [ ! -z "$SU" ]; then
		$SU "$PINGD \"$@\""
	else
		$PINGD "$@"
	fi
	echo "done."
	;;
*)
	echo "Usage: $0 (start|stop|reload|force-reload|restart)" >&2
	echo "       $0 <COMMAND> [parameters]" >&2
	echo "See the pingd(1) manual page for valid commands" >&2
	exit 1
	;;
esac

exit 0

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