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arthas/tunnel-server
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hengyunabc 1db537b65b clean code
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pom.xml change xsd url to https. #1604 2020-12-08 11:43:36 +08:00
README.md optimization of tunnel server README.md (#1149) 2020-05-26 10:52:06 +08:00

README.md

How it works

Tunnel server/client use websocket protocol.

For example:

  1. Arthas tunnel server listen at 192.168.1.10:7777

  2. Arthas tunnel client register to the tunnel server

    tunnel client connect to tunnel server with URL: ws://192.168.1.10:7777/ws?method=agentRegister

    tunnel server response a text frame message: response:/?method=agentRegister&id=bvDOe8XbTM2pQWjF4cfw

    This connection is control connection.

  3. The browser try connect to remote arthas agent

    start connect to tunnel server with URL: 'ws://192.168.1.10:7777/ws?method=connectArthas&id=bvDOe8XbTM2pQWjF4cfw

  4. Arthas server find the control connection with the id bvDOe8XbTM2pQWjF4cfw

    then send a text frame to arthas client: response:/?method=startTunnel&id=bvDOe8XbTM2pQWjF4cfw&clientConnectionId=AMku9EFz2gxeL2gedGOC

  5. Arthas tunnel client open a new connection to tunnel server

    URL: ws://127.0.0.1:7777/ws/?method=openTunnel&clientConnectionId=AMku9EFz2gxeL2gedGOC&id=bvDOe8XbTM2pQWjF4cfw

    This connection is tunnel connection

  6. Arthas tunnel client start connect to local arthas agent, URL: ws://127.0.0.1:3658/ws

    This connection is local connection

  7. Forward websocket frame between tunnel connection and local connection.

+---------+     +----------------------+       +----------------------+     +--------------+
| browser <-----> arthas tunnel server | <-----> arthas tunnel client <--- -> arthas agent |
|---------+     +----------------------+       +----------------------+     +--------------+