2 * Copyright (c) 2016 Cisco and/or its affiliates.
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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package io.fd.vpp.jvpp.core.examples;
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.WantInterfaceEventsReplyCallback;
25 import io.fd.vpp.jvpp.core.callback.SwInterfaceEventCallback;
26 import io.fd.vpp.jvpp.core.callfacade.CallbackJVppCoreFacade;
27 import io.fd.vpp.jvpp.core.dto.WantInterfaceEventsReply;
28 import io.fd.vpp.jvpp.core.dto.SwInterfaceEvent;
30 public class CallbackJVppFacadeNotificationExample {
32 private static void testCallbackFacade() throws Exception {
33 System.out.println("Testing CallbackJVppFacade for notifications");
35 try (final JVppRegistry registry = new JVppRegistryImpl("CallbackFacadeExample");
36 final JVppCore jvpp = new JVppCoreImpl()) {
37 final CallbackJVppCoreFacade jvppCallbackFacade = new CallbackJVppCoreFacade(registry, jvpp);
38 System.out.println("Successfully connected to VPP");
40 final AutoCloseable notificationListenerReg =
41 jvppCallbackFacade.getEventRegistry().registerSwInterfaceEventCallback(
42 new SwInterfaceEventCallback() {
43 public void onSwInterfaceEvent(SwInterfaceEvent reply) {
44 System.out.printf("Received interface notification: ifc: %s%n", reply);
47 public void onError (VppCallbackException ex) {
48 System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
49 ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
53 jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getEnableInterfaceNotificationsReq(),
54 new WantInterfaceEventsReplyCallback() {
56 public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
57 System.out.println("Interface events started");
61 public void onError(final VppCallbackException ex) {
62 System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
63 ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
67 System.out.println("Changing interface configuration");
68 NotificationUtils.getChangeInterfaceState().send(jvpp);
72 jvppCallbackFacade.wantInterfaceEvents(NotificationUtils.getDisableInterfaceNotificationsReq(),
73 new WantInterfaceEventsReplyCallback() {
75 public void onWantInterfaceEventsReply(final WantInterfaceEventsReply reply) {
76 System.out.println("Interface events stopped");
80 public void onError(final VppCallbackException ex) {
81 System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n",
82 ex.getMethodName(), ex.getCtxId(), ex.getErrorCode());
86 notificationListenerReg.close();
89 System.out.println("Disconnecting...");
94 public static void main(String[] args) throws Exception {