| /* |
| * Copyright 2014 Open Networking Laboratory |
| * |
| * 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 org.onlab.onos.gui; |
| |
| import org.eclipse.jetty.websocket.WebSocket; |
| import org.onlab.onos.net.device.DeviceService; |
| import org.onlab.onos.net.topology.Topology; |
| import org.onlab.onos.net.topology.TopologyEdge; |
| import org.onlab.onos.net.topology.TopologyEvent; |
| import org.onlab.onos.net.topology.TopologyGraph; |
| import org.onlab.onos.net.topology.TopologyListener; |
| import org.onlab.onos.net.topology.TopologyService; |
| import org.onlab.onos.net.topology.TopologyVertex; |
| import org.onlab.osgi.ServiceDirectory; |
| |
| import java.io.IOException; |
| |
| /** |
| * Web socket capable of interacting with the GUI topology view. |
| */ |
| public class TopologyWebSocket implements WebSocket.OnTextMessage, TopologyListener { |
| |
| private final ServiceDirectory directory; |
| private final TopologyService topologyService; |
| private final DeviceService deviceService; |
| |
| private Connection connection; |
| |
| /** |
| * Creates a new web-socket for serving data to GUI topology view. |
| * |
| * @param directory service directory |
| */ |
| public TopologyWebSocket(ServiceDirectory directory) { |
| this.directory = directory; |
| topologyService = directory.get(TopologyService.class); |
| deviceService = directory.get(DeviceService.class); |
| } |
| |
| @Override |
| public void onOpen(Connection connection) { |
| this.connection = connection; |
| |
| // Register for topology events... |
| if (topologyService != null && deviceService != null) { |
| topologyService.addListener(this); |
| |
| sendMessage("Yo!!!"); |
| |
| Topology topology = topologyService.currentTopology(); |
| TopologyGraph graph = topologyService.getGraph(topology); |
| for (TopologyVertex vertex : graph.getVertexes()) { |
| sendMessage(deviceService.getDevice(vertex.deviceId()).toString()); |
| } |
| |
| for (TopologyEdge edge : graph.getEdges()) { |
| sendMessage(edge.link().toString()); |
| } |
| |
| sendMessage("That's what we're starting with..."); |
| |
| } else { |
| sendMessage("No topology service!!!"); |
| } |
| } |
| |
| @Override |
| public void onClose(int closeCode, String message) { |
| TopologyService topologyService = directory.get(TopologyService.class); |
| if (topologyService != null) { |
| topologyService.removeListener(this); |
| } |
| } |
| |
| @Override |
| public void onMessage(String data) { |
| System.out.println("Received: " + data); |
| } |
| |
| public void sendMessage(String data) { |
| try { |
| connection.sendMessage(data); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void event(TopologyEvent event) { |
| sendMessage(event.toString()); |
| } |
| } |
| |