vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/test/CallbackJVppFacadeNotificationTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.vpp.jvpp.core.test;
  18
  19 import io.fd.vpp.jvpp.JVppRegistry;
  20 import io.fd.vpp.jvpp.JVppRegistryImpl;
  21 import io.fd.vpp.jvpp.VppCallbackException;
  22 import io.fd.vpp.jvpp.core.JVppCore;
  23 import io.fd.vpp.jvpp.core.JVppCoreImpl;
  24 import io.fd.vpp.jvpp.core.callback.WantInterfaceEventsCallback;
  25 import io.fd.vpp.jvpp.core.callfacade.CallbackJVppCoreFacade;
  26 import io.fd.vpp.jvpp.core.dto.WantInterfaceEventsReply;
  27
  28 public class CallbackJVppFacadeNotificationTest {
  29
  30     private static void testCallbackFacade() throws Exception {
  31         System.out.println("Testing CallbackJVppFacade for notifications");
  32
  33         final JVppRegistry registry = new JVppRegistryImpl("CallbackFacadeTest");
  34         final JVppCore jvpp = new JVppCoreImpl();
  35
  36         CallbackJVppCoreFacade jvppCallbackFacade = new CallbackJVppCoreFacade(registry, jvpp);
  37         System.out.println("Successfully connected to VPP");
  38
  39         final AutoCloseable notificationListenerReg =
  40                 jvppCallbackFacade.getNotificationRegistry().registerSwInterfaceSetFlagsNotificationCallback(
  41                         NotificationUtils::printNotification
  42                 );
  43
  44         jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getEnableInterfaceNotificationsReq(),
  45                 new WantInterfaceEventsCallback() {
  46                     @Override
  47                     public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
  48                         System.out.println("Interface events started");
  49                     }
  50
  51                     @Override
  52                     public void onError(final VppCallbackException ex) {
  53                         System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
  54                                 ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
  55                     }
  56                 });
  57
  58         System.out.println("Changing interface configuration");
  59         NotificationUtils.getChangeInterfaceState().send(jvpp);
  60
  61         Thread.sleep(1000);
  62
  63         jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getDisableInterfaceNotificationsReq(),
  64                 new WantInterfaceEventsCallback() {
  65                     @Override
  66                     public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
  67                         System.out.println("Interface events stopped");
  68                     }
  69
  70                     @Override
  71                     public void onError(final VppCallbackException ex) {
  72                         System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
  73                                 ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
  74                     }
  75                 });
  76
  77         notificationListenerReg.close();
  78
  79         Thread.sleep(2000);
  80
  81         System.out.println("Disconnecting...");
  82         registry.close();
  83         Thread.sleep(1000);
  84     }
  85
  86     public static void main(String[] args) throws Exception {
  87         testCallbackFacade();
  88     }
  89 }