#!/bin/bash

APP_NAME=app-1.0-SNAPSHOT.jar

cd `dirname $0`
cd ..

STDOUT_FILE=/dev/null

# 配置文件存放位置，如果有多个，则以逗号分隔
JAVA_PATH_OPTS=" -Dloader.path=config -Djava.io.tmpdir=./ "
# 基础参数
JAVA_OPTS=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -Dfile.encoding=UTF-8 "
# java调试
JAVA_DEBUG_OPTS=""
if [ "$2" = "debug" ];then
	JAVA_DEBUG_OPTS=" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8081 "
fi
# 内存配置
JAVA_MEM_OPTS=""
BITS=`java -version 2>&1 | grep -i 64-bit`
if [ -n "$BITS" ]; then
	JAVA_MEM_OPTS=" -server -Xms2g -Xmx2g -Xloggc:log/gc.log "
fi

# 使用说明，用来提示输入参数
usage() {
    echo "Usage: sh boot [APP_NAME] [start|stop|restart|status]"
    exit 1
}

# 检查程序是否在运行
is_exist(){
    # 获取PID
    PID=$(ps -ef |grep ${APP_NAME} | grep -v $0 |grep -v grep |awk '{print $2}')
    # -z "${pid}"判断pid是否存在，如果不存在返回1，存在返回0
    if [ -z "${PID}" ]; then
        # 如果进程不存在返回1
        return 1
    els
        # 进程存在返回0
        return 0
    fi
}

# 定义启动程序函数
start(){
    is_exist
    if [ $? -eq "0" ]; then
        echo "${APP_NAME} is already running, PID=${PID}"
    else
        nohup java -jar $JAVA_PATH_OPTS $JAVA_OPTS $JAVA_MEM_OPTS $JAVA_DEBUG_OPTS ${APP_NAME} >> ${STDOUT_FILE} 2>&1 &
        PID=$(echo $!)
        echo "${APP_NAME} start success, PID=$!"
    fi
}

# 停止进程函数
stop(){
    is_exist
    if [ $? -eq "0" ]; then
        kill -9 ${PID}
        # 检测是否停止
        COUNT=1
        while [ $COUNT -eq 1 ]
        do
            echo -e ".\c"
            sleep 1
            is_exist
            if [ -z "${PID}" ]; then
                COUNT=0
                echo "${APP_NAME} process stop"
            fi
        done
    else
        echo "There is not the process of ${APP_NAME}"
    fi
}

# 重启进程函数
restart(){
    stop
    start
}

# 查看进程状态
status(){
    is_exist
    if [ $? -eq "0" ]; then
        echo "${APP_NAME} is running, PID=${PID}"
    else
        echo "There is not the process of ${APP_NAME}"
    fi
}


case $1 in
"start")
        start
        ;;
"stop")
        stop
        ;;
"restart")
        restart
        ;;
"status")
       status
        ;;
    *)
    usage
    ;;
esac
exit 0