#!/bin/bash

if [ -r /etc/zabbix/zabbix_java_gateway.conf ]; then
	. /etc/zabbix/zabbix_java_gateway.conf
fi

if [ -z $GATEWAY_HOME ]; then
	GATEWAY_HOME="/usr/share/zabbix-java-gateway"
fi

if [ -r "/etc/sysconfig/zabbix-java-gateway" ]; then
	. /etc/sysconfig/zabbix-java-gateway
fi

cd $GATEWAY_HOME

JAVA=${JAVA:-java}

if [ ! -z "$CLASSPATH" ]; then
	CLASSPATH="$CLASSPATH"
fi

for jar in lib/*.jar bin/*.jar; do
	CLASSPATH="$CLASSPATH:$jar"
done

if [ ! -z "$ZABBIX_OPTIONS" ]; then
	ZABBIX_OPTIONS="$ZABBIX_OPTIONS"
fi

if [ -n "$PID_FILE" ]; then
	ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.pidFile=$PID_FILE"
fi
if [ -n "$LISTEN_IP" ]; then
	ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.listenIP=$LISTEN_IP"
fi
if [ -n "$LISTEN_PORT" ]; then
	ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.listenPort=$LISTEN_PORT"
fi
if [ -n "$START_POLLERS" ]; then
	ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.startPollers=$START_POLLERS"
fi

COMMAND_LINE="$JAVA $JAVA_OPTIONS -classpath $CLASSPATH $ZABBIX_OPTIONS com.zabbix.gateway.JavaGateway"

if [ -n "$PID_FILE" ]; then

	PID=$(su -s /bin/bash -c "$COMMAND_LINE > /dev/null 2>&1 & echo \$!" zabbix)
	if ps -p $PID > /dev/null 2>&1; then
		echo $PID > $PID_FILE
	else
		echo "zabbix java gateway did not start"
		exit 1
	fi
else
	exec $COMMAND_LINE
fi
