run.sh

#!/bin/bash
FILE_NAME=CrossDevicesService
BINARY_NAME=$FILE_NAME

# PID文件
PID=$FILE_NAME\.pid

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

# 检查程序是否在运行
is_exist(){
  pid=`ps -ef|grep $BINARY_NAME|grep -v grep|awk '{print $2}' `
  # 如果不存在返回1，存在返回0     
  if [ -z "${pid}" ]; then
   return 1
  else
    return 0
  fi
}

# 启动方法
start(){
  is_exist
  if [ $? -eq "0" ]; then 
    echo ">>> ${BINARY_NAME} is already running PID=${pid} <<<" 
  else 
    nohup ./$BINARY_NAME > /dev/null &
    echo $! > $PID
    echo ">>> start $BINARY_NAME successed PID=$! <<<" 
   fi
  }

# 停止方法
stop(){
  #is_exist
  pidf=$(cat $PID)
  #echo "$pidf"  
  echo ">>> api PID = $pidf begin kill $pidf <<<"
  kill $pidf
  rm -rf $PID
  sleep 2
  is_exist
  if [ $? -eq "0" ]; then 
    echo ">>> api 2 PID = $pid begin kill -9 $pid  <<<"
    kill -9  $pid
    sleep 2
    echo ">>> $BINARY_NAME process stopped <<<"  
  else
    echo ">>> ${BINARY_NAME} is not running <<<"
  fi  
}

# 输出运行状态
status(){
  is_exist
  if [ $? -eq "0" ]; then
    echo ">>> ${BINARY_NAME} 's running PID is ${pid} <<<"
  else
    echo ">>> ${BINARY_NAME} is not running <<<"
  fi
}

# 重启
restart(){
  stop
  start
}

# 根据输入参数，选择执行对应方法，不输入则执行使用说明
case "$1" in
  "start")
    start
    ;;
  "stop")
    stop
    ;;
  "status")
    status
    ;;
  "restart")
    restart
    ;;
  *)
    usage
    ;;
esac
exit 0