Windows下bat脚本判断端口是否可用
环境:
一台服务器上用了portmap做了端口转发,但是这个程序经常会跪,需要人工去重启
解决思路:
通过bat来监控程序端口,不通时候自动重启,如果端口可用,则会出来telnet进程,若端口不可用,则不会出现telnet进程。根据进程是否存在来判断端口是否可用,因为telnet通的话,会直接跳转窗口,无回显,所以需要telnet时候启用新窗口。
方法二
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | @ echo off title PortMap存活监控!!! :again set ip=127.0.0.1 set port=8080 start telnet.exe %ip% %port% ping -7 127.0.0.1 > null tasklist|findstr /i "telnet.exe" > nul if ERRORLEVEL 1 (goto err) else (goto ok) :err tasklist|findstr -i "portmap.exe" if ERRORLEVEL 1 (start "" "D:\PortMap1.6\PortMap.exe" ) else (taskkill /F -IM PortMap.exe & start "" "D:\PortMap1.6\PortMap.exe" ) :ok taskkill /F -IM "telnet.exe" >> nul echo PortMap Services is running %Date:~0,4%-%Date:~5,2%-%Date:~8,2% %Time:~0,2%:%Time:~3,2% ping -n 300 127.0.0.1 >nul goto again |
方法二
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | @ echo off title PortMap存活监控!!! :again set ip=127.0.0.1 set port=8080 netstat -ano|findstr %ip%:%port%|findstr -i ESTABLISHED if ERRORLEVEL 1 (goto err) else (goto ok) :err tasklist|findstr -i "portmap.exe" if ERRORLEVEL 1 (start "" "D:\PortMap1.6\PortMap.exe" ) else (taskkill /F -IM PortMap.exe & start "" "D:\PortMap1.6\PortMap.exe" ) :ok echo PortMap Services is running %Date:~0,4%-%Date:~5,2%-%Date:~8,2% %Time:~0,2%:%Time:~3,2% ping -n 300 127.0.0.1 >nul goto again |
本文转自 justin_peng 51CTO博客,原文链接:http://blog.51cto.com/ityunwei2017/1924966,如需转载请自行联系原作者