#!/bin/sh

prefix=/usr/local
exec_prefix=${prefix}
VAR=/var/dpsearch
SPLITTER="${exec_prefix}/sbin/splitter"
INDEXER="${exec_prefix}/sbin/indexer"
HUP=0
PRESPLIT=0
SPLIT=0
VERBOSE=4
PAUSE=0
OPTIMIZE=0
OBI=0
LIMITS=0

usage()
{
	cat <<EOF
Usage: $0 [OPTIONS]
Options:
	[-c=file]               Use file as configuration directory
	[-k]	[--hup]		Send -HUP signal to cached (to flush buffers and to write limits)
	[-l]                    Flush cached buffers only
	[-s]	[--split]	Split logs
	[-h]	[--help]	Display this page
	[-b]	        	Optimize before update
	[-o]	        	Optimize after update
	[-v=n]                  Set verbose level to n (default: 4)
	[-p=m]                  Pause m sec. after each log buffer update (default: 0)
	[-w=dir]                Use dir as VarDir directory

Configuration:
        Base dir: $VAR
        cached pid file: $CACHED_PID
EOF
	exit $1
}


if test $# -eq 0; then
	usage 1 1>&2
fi

while test $# -gt 0; do

	case $1 in
	-c=*)
		CONF=`echo $1 | sed 's/-c=//'`
		;;
	-k)
		HUP=1
		;;
	-l)
		LIMITS=1
		;;
	--hup)
		HUP=1
		;;
	-s)
		SPLIT=1
		;;
	--split)
		SPLIT=1
		;;
	-v=*)
		VERBOSE=`echo $1 | sed 's/-v=//'`
		;;
	-p=*)
		PAUSE=`echo $1 | sed 's/-p=//'`
		;;
	-w=*)
		VAR=`echo $1 | sed 's/-w=//'`
		;;
	-b)
		OBI=1
		;;
	-o)
		OPTIMIZE=1
		;;
	*)
		usage 1 1>&2
		;;
	esac
	shift
done


CACHED_PID=$VAR/cached.pid

if [ x$HUP = x1 ]
then
	echo "Sending -HUP signal to cached..."
	# Check whether cached is running
	if [ -s $CACHED_PID ]
	then
		# Send HUP signal to cached process
		PROC=`cat $CACHED_PID`
		kill -HUP $PROC

		# Check whether kill didn't fail
		if [ x$? = x1 ]
		then
			echo "kill -HUP $PROC failed."
			exit 1
		fi
		echo "Done"
	else
		echo "$CACHED_PID is empty or doesn't exist!"
		echo "Check that cached is running."
		exit 1
	fi
else
    if [ x$LIMITS = x1 ]
    then
	echo "Flushing cached buffers..."
	$INDEXER -TH
    fi
fi


OPTOPT=""

if [ x$OBI = x1 ]
then
    OPTOPT="-b"
fi

if [ x$OPTIMIZE = x1 ]
then
    OPTOPT="$OPTOPT -o"
fi

if [ x$SPLIT = x1 ]
then
        # Split logs

	# Wait for del-split to appear.
        while [ ! -f $VAR/splitter/del-split.log ]; do
	    echo "Waiting for del-split.log..."
            sleep 1;
        done
        echo "Runnig splitter -- verbose: $VERBOSE, pause: $PAUSE"
        $SPLITTER -v $VERBOSE -p $PAUSE $OPTOPT -w $VAR $CONF && {
            echo "Deleting logs..."
            cd $VAR/splitter
            rm del-split.log

        }
fi
echo "Done"
