#!/usr/bin/env bash

#JAVAXMS="${JAVAXMS:-64m}"

#JAVAXMX="${JAVAXMX:-128m}"

JAVAXMS=128m

JAVAXMX=128m

# echo $JAVAXMS

# echo $JAVAXMX

#JAVAPROG="${BASH_SOURCE-$0}"

#echo $JAVAPROG

#JAVASBIN="${JAVADIR}/.sbin"

# JAVASBIN=/java/.sbin

JAVACLASSPATH="${JAVADIR}/libs"

# JAVACLASSPATH=/java/libs

JAVARUN="${JAVADIR}/var/run"

# JAVARUN=/java/var/run

JAVALOGS="/logscollect"

# JAVALOGS=/java/var/logs

# echo $JAVASBIN

# echo $JAVACLASSPATH

# echo $JAVARUN

# echo $JAVALOGS

#APPID="${JAVARUN}/${APP}-${INSTANCE}.pid"

APPID="${JAVARUN}/${APP}-${PROG}.pid"

APPHEAP="${JAVARUN}/${APP}-${PROG}.heap"

# APPID=/java/var/run/app-1.pid

APPOUT="${JAVARUN}/${APP}-${PROG}.out"

# APPOUT=/java/var/run/app-1.out

APPLOG="${JAVALOGS}/${APP}-${PROG}.log"

# APPLOG=/java/var/logs/app-1.log

# echo $APPID

# echo $APPOUT

# echo $APPLOG

if [ ! -d "$JAVARUN" -o ! -d "$JAVALOGS" ]

then

mkdir -p "${JAVADIR}"/var/{run,logs}

fi

CLASSPATH="${APPFGDIR}:${CLASSPATH}"

for i in "${APPCLASSPATH}"/*.jar

do

jar="$(basename ${i})"

jars="$jar:$jars"

done

appjars=(${jars//:/ })

#cp -f "${APPFGDIR}/libs.conf" "${APPFGDIR}/.libs.conf"

#sed -e '/\r/s/.$//' "${APPFGDIR}/libs.conf" > "${APPFGDIR}/.libs.conf"

while read line

do

if [ "$line" != "" ]

then

if $(echo "${appjars[@]}" |grep -wq "$line")

then

line="${line/#/${APPCLASSPATH}/}"

else

line="${line/#/${JAVACLASSPATH}/}"

fi

CLASSPATH="$line:$CLASSPATH"

fi

done < "${APPFGDIR}/libs.conf"

# echo $CLASSPATH

#if [ "$JAVA_HOME" != "" ]

#then

# JAVA="$JAVA_HOME/bin/java"

#else

# JAVA=java

#fi

#JAVA="$JAVA_HOME/bin/java"

JAVA="/usr/local/bin/java"

if [ ! -x "${KILL:-/bin/kill}" ]

then

KILL=/bin/kill

else

KILL=kill

fi

case "$1" in

start)

#echo -e "Starting java app $APP\n mainclass: $MAINCLASS\n instance: $INSTANCE"

echo -e "Starting java app $APP\n mainclass: $MAINCLASS\n instance: $PROG"

#echo -e "...add config path:${APPFGDIR}"

if [ -f "$APPID" ]

then

if kill -0 `cat "$APPID"` > /dev/null 2>&1

then

echo $command already running as process `cat "$APPID"`.

exit 0

fi

fi

nohup "$JAVA" \

-server -Xms"$JAVAXMS" -Xmx"$JAVAXMX" -XX:+UseG1GC -XX:+HeapDumpOnOutOfMemoryError \

"-Djava.run.dir=${JAVARUN}" "-Djava.logs.dir=${JAVALOGS}" "-Djava.apps.prog=${APP}-${PROG}" \

-classpath "$CLASSPATH" "$MAINCLASS" "$PROG" > "$APPOUT" 2>&1 < /dev/null &

#echo "$JAVA" \

# -server -Xms"$JAVAXMS" -Xmx"$JAVAXMX" \

# "-Djava.logs.dir=${JAVALOGS}" "-Djava.apps.prog=${APP}-${INSTANCE}" \

# -classpath "$CLASSPATH" "$MAINCLASS" "$INSTANCE"

#"$JAVA" \

# -server -Xms"$JAVAXMS" -Xmx"$JAVAXMX" \

# "-Djava.logs.dir=${JAVALOGS}" "-Djava.apps.prog=${APP}-${INSTANCE}" \

# -classpath "$CLASSPATH" "$MAINCLASS" "$INSTANCE"

if [ $? -eq 0 ]

then

if /bin/echo -e "$!\n" > "$APPID"

then

sleep 1

echo STARTED

echo "pid=$!"

else

echo FAILED TO WRITE PID

exit 1

fi

else

echo SERVER DID NOT START

exit 1

fi

;;

stop)

echo -e "Stopping java app $APP\n mainclass: $MAINCLASS\n instance: $PROG"

if [ ! -f "$APPID" ]

then

echo "no java app $APP to stop (could not find file $APPID)"

else

appid=`cat "$APPID"`

jstack $appid > "${APPHEAP/%.heap/-${appid}.heap}" 2>&1

sleep 0.1

$KILL -9 $(cat "$APPID")

rm "$APPID"

echo STOPPED

fi

exit 0

;;

sstop)

echo -e "Stopping java app $APP\n mainclass: $MAINCLASS\n instance: $PROG"

if [ ! -f "$APPID" ]

then

echo "no java app $APP to stop (could not find file $APPID)"

else

$KILL -15 $(cat "$APPID")

rm "$APPID"

echo STOPPED

fi

exit 0

;;

debug)

shift

echo -e "Debuging java app $APP\n mainclass: $MAINCLASS\n instance: $PROG\n port: $1"

nohup "$JAVA" \

-server -Xms"$JAVAXMS" -Xmx"$JAVAXMX" -Djava.apps.version=$VERSION \

"-Djava.logs.dir=${JAVALOGS}" "-Djava.apps.prog=${APP}-${PROG}" \

-Xdebug -Xrunjdwp:transport=dt_socket,server=y,address="$1",suspend=n \

-classpath "$CLASSPATH" "$MAINCLASS" "$PROG" > "$APPOUT" 2>&1 < /dev/null &

exit 0

;;

restart)

shift

"$0" stop ${@}

sleep 3

"$0" start ${@}

;;

*)

echo $"Usage: $0 {start|stop|restart}" >&2

exit 1

;;

esac