JythonDebugInterface.java

/**
 *    Copyright 2013, Big Switch Networks, Inc.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License"); you may
 *    not use this file except in compliance with the License. You may obtain
 *    a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *    License for the specific language governing permissions and limitations
 *    under the License.
 **/

package net.floodlightcontroller.jython;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.floodlightcontroller.core.internal.FloodlightProvider;
import net.floodlightcontroller.core.module.FloodlightModuleContext;
import net.floodlightcontroller.core.module.FloodlightModuleException;
import net.floodlightcontroller.core.module.IFloodlightModule;
import net.floodlightcontroller.core.module.IFloodlightService;

public class JythonDebugInterface implements IFloodlightModule {
    protected static Logger log = LoggerFactory.getLogger(JythonDebugInterface.class);
    protected JythonServer debug_server;
    protected String jythonHost = null;
    protected int jythonPort = 6655;
    
    @Override
    public Collection<Class<? extends IFloodlightService>> getModuleServices() {
        // We don't export services
        return null;
    }

    @Override
    public Map<Class<? extends IFloodlightService>, IFloodlightService>
            getServiceImpls() {
        // We don't export services
        return null;
    }

    @Override
    public Collection<Class<? extends IFloodlightService>>
            getModuleDependencies() {
        // We don't have any dependencies
        return null;
    }

    @Override
    public void init(FloodlightModuleContext context)
             throws FloodlightModuleException {
        // no-op
    }

    @Override
    public void startUp(FloodlightModuleContext context) {
        Map<String, Object> locals = new HashMap<String, Object>();     
        // add all existing module references to the debug server
        for (Class<? extends IFloodlightService> s : context.getAllServices()) {
            // Put only the last part of the name
            String[] bits = s.getCanonicalName().split("\\.");
            String name = bits[bits.length-1];
            locals.put(name, context.getServiceImpl(s));
        }
        
        // read our config options
        Map<String, String> configOptions = context.getConfigParams(this);
        jythonHost = configOptions.get("host");
        if (jythonHost == null) {
        	Map<String, String> providerConfigOptions = context.getConfigParams(
            		FloodlightProvider.class);
            jythonHost = providerConfigOptions.get("openflowhost");
        }
        if (jythonHost != null) {
        	log.debug("Jython host set to {}", jythonHost);
        }
        String port = configOptions.get("port");
        if (port != null) {
            jythonPort = Integer.parseInt(port);
        }
        log.debug("Jython port set to {}", jythonPort);
        
        JythonServer debug_server = new JythonServer(jythonHost, jythonPort, locals);
        debug_server.start();
    }
}