opendaylight/routing/dijkstra_implementation/src/main/java/org/opendaylight/controller/routing/dijkstra_implementation/internal/DijkstraImplementationCLI.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.routing.dijkstra_implementation.internal;
   9
  10 import java.util.Dictionary;
  11 import java.util.Hashtable;
  12
  13 import org.apache.felix.service.command.Descriptor;
  14 import org.opendaylight.controller.sal.core.Node;
  15 import org.opendaylight.controller.sal.core.Path;
  16 import org.opendaylight.controller.sal.routing.IRouting;
  17 import org.opendaylight.controller.sal.utils.ServiceHelper;
  18 import org.osgi.framework.ServiceRegistration;
  19
  20 public class DijkstraImplementationCLI {
  21     @SuppressWarnings("rawtypes")
  22     private ServiceRegistration sr = null;
  23
  24     public void init() {
  25     }
  26
  27     public void destroy() {
  28     }
  29
  30     public void start() {
  31         final Dictionary<String, Object> props = new Hashtable<String, Object>();
  32         props.put("osgi.command.scope", "odpcontroller");
  33         props.put("osgi.command.function", new String[] { "getRoute" });
  34         this.sr = ServiceHelper.registerGlobalServiceWReg(DijkstraImplementationCLI.class, this, props);
  35     }
  36
  37     public void stop() {
  38         if (this.sr != null) {
  39             this.sr.unregister();
  40             this.sr = null;
  41         }
  42     }
  43
  44     @Descriptor("Retrieves a Route between two Nodes in the discovered Topology DB")
  45     public void getRoute(
  46             @Descriptor("Container on the context of which the routing service need to be looked up") String container,
  47             @Descriptor("String representation of the Source Node, this need to be consumable from Node.fromString()") String srcNode,
  48             @Descriptor("String representation of the Destination Node") String dstNode) {
  49         final IRouting r = (IRouting) ServiceHelper.getInstance(IRouting.class, container, this);
  50
  51         if (r == null) {
  52             System.out.println("Cannot find the routing instance on container:" + container);
  53             return;
  54         }
  55
  56         final Node src = Node.fromString(srcNode);
  57         final Node dst = Node.fromString(dstNode);
  58         final Path p = r.getRoute(src, dst);
  59         if (p != null) {
  60             System.out.println("Route between srcNode:" + src + " and dstNode:" + dst + " = " + p);
  61         } else {
  62             System.out.println("There is no route between srcNode:" + src + " and dstNode:" + dst);
  63         }
  64     }
  65 }