#!/bin/sh
# ./start.sh start 启动 stop 停止 restart 重启 status 状态
AppName=lingyue-starter.jar

# JVM参数
JVM_OPTS="-Dname=$AppName -Duser.timezone=Asia/Shanghai -Xms512m -Xmx1024m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError"
APP_HOME=$(cd "$(dirname "$0")" && pwd)
LOG_PATH=$APP_HOME/logs/$AppName.log

if [ "$1" = "" ]; then
    echo -e "\033[0;31m 未输入操作名 \033[0m  \033[0;34m {start|stop|restart|status} \033[0m"
    exit 1
fi

function start()
{
    PID=$(ps -ef | grep java | grep $AppName | grep -v grep | awk '{print $2}')

    if [ x"$PID" != x"" ]; then
        echo "$AppName is running... (PID: $PID)"
    else
        mkdir -p $APP_HOME/logs
        nohup java $JVM_OPTS -jar $APP_HOME/lingyue-starter/target/$AppName > $LOG_PATH 2>&1 &
        echo "Start $AppName success... (PID: $!)"
        echo "Log: $LOG_PATH"
    fi
}

function stop()
{
    echo "Stop $AppName"

    PID=""
    query(){
        PID=$(ps -ef | grep java | grep $AppName | grep -v grep | awk '{print $2}')
    }

    query
    if [ x"$PID" != x"" ]; then
        kill -TERM $PID
        echo "$AppName (pid:$PID) exiting..."
        while [ x"$PID" != x"" ]
        do
            sleep 1
            query
        done
        echo "$AppName exited."
    else
        echo "$AppName already stopped."
    fi
}

function restart()
{
    stop
    sleep 2
    start
}

function status()
{
    PID=$(ps -ef | grep java | grep $AppName | grep -v grep | wc -l)
    if [ $PID != 0 ]; then
        echo "$AppName is running..."
    else
        echo "$AppName is not running..."
    fi
}

case $1 in
    start)
    start;;
    stop)
    stop;;
    restart)
    restart;;
    status)
    status;;
    *)
    echo "Usage: $0 {start|stop|restart|status}"
esac