OpenFlow Java library API Cookbook

OpenFlow Java library API Cookbook

(work in progress)

Launch a controller

The controller infrastructure is started the next way:

import org.flowforwarding.of.controller.Controller;
/*................*/
Controller.launch (SessionHandler.class); // This launches a controller listening tcp port 6633
Controller.launch (SessionHandler.class, configuration); // This launches a controller listening given tcp port 

Configuration

It's a POJO containing some configuration information as tcp port number etc.

import org.flowforwarding.of.controller.Configuration
/*................*/
Configuration config1 = new Configuration();     // tcp port 6633 by default
Configuration config2 = new Configuration(6633);

Session handlers

You have to implement your session handler to interact with Controller. Session handlers extend the class OFSessionHandler:

import org.flowforwarding.of.controller.SwitchState;
import org.flowforwarding.of.controller.session.OFSessionHandler;

public class SimpleHandler extends OFSessionHandler {

   @Override
   protected void handshaked(SwitchState swState) {
      super.handshaked(swState);
      /*You have to implement your own logic here*/
   }
}