openflowplugin-api/src/main/java/org/opendaylight/openflowplugin/api/diagstatus/OpenflowPluginDiagStatusProvider.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. 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.openflowplugin.api.diagstatus;
   9
  10 import java.io.IOException;
  11 import java.net.Socket;
  12 import org.opendaylight.infrautils.diagstatus.DiagStatusService;
  13 import org.opendaylight.infrautils.diagstatus.ServiceDescriptor;
  14 import org.opendaylight.infrautils.diagstatus.ServiceState;
  15 import org.opendaylight.infrautils.diagstatus.ServiceStatusProvider;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 public class OpenflowPluginDiagStatusProvider implements ServiceStatusProvider {
  20
  21     private static final Logger LOG = LoggerFactory.getLogger(OpenflowPluginDiagStatusProvider.class);
  22     private static final String OPENFLOW_SERVICE_NAME = "OPENFLOW";
  23     private static final int OF_PORT_11 = 6633;
  24     private static final int OF_PORT_13 = 6653;
  25
  26     private final DiagStatusService diagStatusService;
  27     private volatile ServiceDescriptor serviceDescriptor;
  28
  29     public OpenflowPluginDiagStatusProvider(final DiagStatusService diagStatusService) {
  30         this.diagStatusService = diagStatusService;
  31         diagStatusService.register(OPENFLOW_SERVICE_NAME);
  32     }
  33
  34     public void reportStatus(ServiceState serviceState, String description) {
  35         LOG.debug("reporting status as {} for {}", serviceState, OPENFLOW_SERVICE_NAME);
  36         serviceDescriptor = new ServiceDescriptor(OPENFLOW_SERVICE_NAME, serviceState, description);
  37         diagStatusService.report(serviceDescriptor);
  38     }
  39
  40     @Override
  41     public ServiceDescriptor getServiceDescriptor() {
  42
  43         if (serviceDescriptor.getServiceState().equals(ServiceState.OPERATIONAL)) {
  44             if (getApplicationNetworkState(OF_PORT_13) && getApplicationNetworkState(OF_PORT_11)) {
  45                 return serviceDescriptor;
  46             } else {
  47                 serviceDescriptor = new ServiceDescriptor(OPENFLOW_SERVICE_NAME, ServiceState.ERROR,
  48                         "OF::PORTS:: 6653 and 6633 are not up yet");
  49                 return serviceDescriptor;
  50             }
  51         }
  52         return serviceDescriptor;
  53     }
  54
  55     private boolean getApplicationNetworkState(int port) {
  56         Socket socket = null;
  57         try {
  58             socket = new Socket("localhost", port);
  59             LOG.debug("Socket connection established");
  60             return true;
  61         } catch (IOException e) {
  62             return false;
  63         } finally {
  64             try {
  65                 if (socket != null) {
  66                     socket.close();
  67                 }
  68             } catch (IOException ex) {
  69                 LOG.error("Failed to close socket : {}", socket, ex);
  70             }
  71         }
  72     }
  73 }