src/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         try (final JVppRegistry registry = new JVppRegistryImpl("CallbackFacadeTest");
  34              final JVppCore jvpp = new JVppCoreImpl()) {
  35             final CallbackJVppCoreFacade jvppCallbackFacade = new CallbackJVppCoreFacade(registry, jvpp);
  36             System.out.println("Successfully connected to VPP");
  37
  38             final AutoCloseable notificationListenerReg =
  39                 jvppCallbackFacade.getNotificationRegistry().registerSwInterfaceSetFlagsNotificationCallback(
  40                     NotificationUtils::printNotification
  41                 );
  42
  43             jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getEnableInterfaceNotificationsReq(),
  44                 new WantInterfaceEventsCallback() {
  45                     @Override
  46                     public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
  47                         System.out.println("Interface events started");
  48                     }
  49
  50                     @Override
  51                     public void onError(final VppCallbackException ex) {
  52                         System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
  53                             ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
  54                     }
  55                 });
  56
  57             System.out.println("Changing interface configuration");
  58             NotificationUtils.getChangeInterfaceState().send(jvpp);
  59
  60             Thread.sleep(1000);
  61
  62             jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getDisableInterfaceNotificationsReq(),
  63                 new WantInterfaceEventsCallback() {
  64                     @Override
  65                     public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
  66                         System.out.println("Interface events stopped");
  67                     }
  68
  69                     @Override
  70                     public void onError(final VppCallbackException ex) {
  71                         System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
  72                             ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
  73                     }
  74                 });
  75
  76             notificationListenerReg.close();
  77
  78             Thread.sleep(2000);
  79             System.out.println("Disconnecting...");
  80         }
  81         Thread.sleep(1000);
  82     }
  83
  84     public static void main(String[] args) throws Exception {
  85         testCallbackFacade();
  86     }
  87 }