#!/bin/bash

# 项目名称
SERVER_NAME="${project.artifactId}"

# jar名称
JAR_NAME="${project.build.finalName}.jar"

# 进入bin目录
cd `dirname $0`
# bin目录绝对路径
BIN_DIR=`pwd`
# 返回到上一级项目根目录路径
cd ..
# 打印项目根目录绝对路径
# `pwd` 执行系统命令并获得结果
DEPLOY_DIR=`pwd`

# 外部配置文件绝对目录,如果是目录需要/结尾，也可以直接指定文件
# 如果指定的是目录,spring则会读取目录中的所有配置文件
CONF_DIR=$DEPLOY_DIR/config
# 应用的端口号
SERVER_PORT=1157

PIDS=`ps -f | grep java | grep "$CONF_DIR" |awk '{print $2}'`
if [ "$1" = "status" ]; then
    if [ -n "$PIDS" ]; then
        echo "The $SERVER_NAME is running...!"
        echo "PID: $PIDS"
        exit 0
    else
        echo "The $SERVER_NAME is stopped"
        exit 0
    fi
fi

if [ -n "$PIDS" ]; then
    echo "ERROR: The $SERVER_NAME already started!"
    echo "PID: $PIDS"
    exit 1
fi

if [ -n "$SERVER_PORT" ]; then
    SERVER_PORT_COUNT=`netstat -tln | grep $SERVER_PORT | wc -l`
    if [ $SERVER_PORT_COUNT -gt 0 ]; then
        echo "ERROR: The $SERVER_NAME port $SERVER_PORT already used!"
        exit 1
    fi
fi

# 项目日志输出绝对路径
LOGS_DIR=$DEPLOY_DIR/logs
# 如果logs文件夹不存在,则创建文件夹
if [ ! -d $LOGS_DIR ]; then
    mkdir $LOGS_DIR
fi

# JVM Configuration
JAVA_OPTS=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true "

JAVA_MEM_OPTS=" -server -Xms512m -Xmx512m -XX:SurvivorRatio=2 -XX:+UseParallelGC "


# 加载外部log文件的配置
LOG_IMPL_FILE=logback-spring.xml
LOGGING_CONFIG=""
if [ -f "$CONF_DIR/$LOG_IMPL_FILE" ]
then
    LOGGING_CONFIG="-Dlogging.config=$CONF_DIR/$LOG_IMPL_FILE"
fi
CONFIG_FILES=" -Dlogging.path=$LOGS_DIR $LOGGING_CONFIG -Dspring.config.location=$CONF_DIR/ "
echo -e "Starting the $SERVER_NAME ..."
nohup java $JAVA_OPTS $JAVA_MEM_OPTS $CONFIG_FILES -jar $DEPLOY_DIR/$JAR_NAME >/dev/null 2>&1 &

COUNT=0
while [ $COUNT -lt 1 ]; do
    echo "... "
    sleep 1
    if [ -n "$SERVER_PORT" ]; then
        COUNT=`netstat -an | grep $SERVER_PORT | wc -l`
    else
       COUNT=`ps -f | grep java | grep "$DEPLOY_DIR" | awk '{print $2}' | wc -l`
    fi
    if [ $COUNT -gt 0 ]; then
        break
    fi
done

echo "Service starting OK!"
PIDS=`ps -f | grep java | grep "$DEPLOY_DIR" | awk '{print $2}'`
echo "Service PID: $PIDS"