made start-onos.sh more useful
diff --git a/start-onos.sh b/start-onos.sh
new file mode 100755
index 0000000..9c1cf77
--- /dev/null
+++ b/start-onos.sh
@@ -0,0 +1,113 @@
+#!/bin/bash
+
+# Set paths
+FL_HOME=`dirname $0`
+FL_JAR="${FL_HOME}/target/floodlight.jar"
+FL_LOGBACK="${FL_HOME}/logback.xml"
+LOGDIR=${FL_HOME}/onos-logs
+FL_LOG="${LOGDIR}/onos.`hostname`.log"
+PCAP_LOG="${LOGDIR}/onos.`hostname`.pcap"
+LOGS="$FL_LOG $PCAP_LOG"
+
+# Set JVM options
+JVM_OPTS=""
+#JVM_OPTS="$JVM_OPTS -server -d64"
+#JVM_OPTS="$JVM_OPTS -Xmx2g -Xms2g -Xmn800m"
+#JVM_OPTS="$JVM_OPTS -XX:+UseParallelGC -XX:+AggressiveOpts -XX:+UseFastAccessorMethods"
+#JVM_OPTS="$JVM_OPTS -XX:MaxInlineSize=8192 -XX:FreqInlineSize=8192"
+#JVM_OPTS="$JVM_OPTS -XX:CompileThreshold=1500 -XX:PreBlockSpin=8"
+#JVM_OPTS="$JVM_OPTS -Dpython.security.respectJavaAccessibility=false"
+
+# Set classpath to include titan libs
+CLASSPATH=`echo ${FL_HOME}/lib/*.jar ${FL_HOME}/lib/titan/*.jar | sed 's/ /:/g'`
+
+# Create a logback file if required
+cat <<EOF_LOGBACK >${FL_LOGBACK}
+<configuration scan="true" debug="true">
+<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+<encoder>
+<pattern>%level [%logger:%thread] %msg%n</pattern>
+</encoder>
+</appender>
+
+<appender name="FILE" class="ch.qos.logback.core.FileAppender">
+<file>${FL_LOG}</file>
+<encoder>
+<pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
+</encoder>
+</appender>
+
+<logger name="org" level="WARN"/>
+<logger name="LogService" level="WARN"/> <!-- Restlet access logging -->
+<logger name="net.floodlightcontroller.logging" level="WARN"/>
+<logger name="net.floodlightcontroller.linkdiscovery.internal" level="TRACE"/>
+
+<root level="DEBUG">
+<appender-ref ref="FILE" />
+</root>
+</configuration>
+EOF_LOGBACK
+
+#<appender-ref ref="STDOUT" />
+
+function lotate {
+logfile=$1
+nr_max=$2
+if [ -f $logfile ]; then
+for i in `seq $(expr 10 - 1) -1 1`; do
+if [ -f ${logfile}.${i} ]; then
+mv -f ${logfile}.${i} ${logfile}.`expr $i + 1`
+fi
+done
+mv $logfile $logfile.1
+fi
+}
+
+function start {
+ if [ ! -d ${LOGDIR} ]; then
+ mkdir -p ${LOGDIR}
+ fi
+ # Backup log files
+ for log in ${LOGS}; do
+ echo "rotate log: $log"
+ if [ -f ${log} ]; then
+ lotate ${log}
+ fi
+ done
+
+ # Run floodlight
+ echo "Starting ONOS controller ..."
+ echo
+ java ${JVM_OPTS} -Dlogback.configurationFile=${FL_LOGBACK} -Xbootclasspath/a:$CLASSPATH -jar ${FL_JAR} -cf ./onos.properties > /dev/null 2>&1 &
+ sudo tcpdump -n -i eth0 'tcp port 6633' -s0 -w ${PCAP_LOG} &
+}
+
+function stop {
+ # Kill the existing processes
+ flpid=`ps -edalf |grep java |grep logback.xml | awk '{print $4}'`
+ tdpid=`ps -edalf |grep tcpdump |grep ${PCAP_LOG} | awk '{print $4}'`
+ pids="$flpid $tdpid"
+ for p in ${pids}; do
+ if [ x$p != "x" ]; then
+ sudo kill -KILL $p
+ echo "Killed existing prosess (pid: $p)"
+ fi
+ done
+}
+
+case "$1" in
+ start)
+ stop
+ start
+ ;;
+ stop)
+ stop
+ ;;
+ status)
+ n=`ps -edalf |grep java |grep logback.xml | wc -l`
+ echo "$n instance of onos running"
+ ;;
+ *)
+ echo "Usage: $0 {start|stop|restart|status}"
+ exit 1
+esac