标签：bat telnet
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
@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
@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