Telnet命令扩展
(1) 扩展说明：
所有服务器均支持telnet访问，用于人工干预。
(2) 扩展接口：
com.alibaba.dubbo.remoting.telnet.TelnetHandler |
(3) 扩展配置：
<dubbo:protocol telnet="xxx,yyy" /><dubbo:provider telnet="xxx,yyy" /> <!-- 缺省值设置，当<dubbo:protocol>没有配置telnet属性时，使用此配置 --> |
(4) 已知扩展：
com.alibaba.dubbo.remoting.telnet.support.ClearTelnetHandlercom.alibaba.dubbo.remoting.telnet.support.ExitTelnetHandlercom.alibaba.dubbo.remoting.telnet.support.HelpTelnetHandlercom.alibaba.dubbo.remoting.telnet.support.StatusTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.ListTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.ChangeTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.CurrentTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.InvokeTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.TraceTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.CountTelnetHandlercom.alibaba.dubbo.rpc.dubbo.telnet.PortTelnetHandler |
(5) 扩展示例：
Maven项目结构
src |-main |-java |-com |-xxx |-XxxTelnetHandler.java (实现TelnetHandler接口) |-resources |-META-INF |-dubbo |-com.alibaba.dubbo.remoting.telnet.TelnetHandler (纯文本文件，内容为：xxx=com.xxx.XxxTelnetHandler) |
XxxTelnetHandler.java
package com.xxx;import com.alibaba.dubbo.remoting.telnet.TelnetHandler;@Help(parameter="...", summary="...", detail="...")public class XxxTelnetHandler implements TelnetHandler { public String telnet(Channel channel, String message) throws RemotingException { // ... }} |
META-INF/dubbo/com.alibaba.dubbo.remoting.telnet.TelnetHandler
xxx=com.xxx.XxxTelnetHandler |
用法
telnet 127.0.0.1 20880dubbo> xxx args |
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