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.JVppCoreImpl;
23 import io.fd.vpp.jvpp.core.callback.GetNodeIndexReplyCallback;
24 import io.fd.vpp.jvpp.core.callback.ShowVersionReplyCallback;
25 import io.fd.vpp.jvpp.core.callfacade.CallbackJVppCoreFacade;
26 import io.fd.vpp.jvpp.core.dto.GetNodeIndex;
27 import io.fd.vpp.jvpp.core.dto.GetNodeIndexReply;
28 import io.fd.vpp.jvpp.core.dto.ShowVersionReply;
29 import java.nio.charset.StandardCharsets;
32 * CallbackJVppFacade together with CallbackJVppFacadeCallback allow for setting different callback for each request.
33 * This is more convenient than the approach shown in CallbackApiExample.
35 public class CallbackJVppFacadeExample {
37 private static ShowVersionReplyCallback showVersionCallback1 = new ShowVersionReplyCallback() {
39 public void onShowVersionReply(final ShowVersionReply msg) {
40 System.out.printf("ShowVersionCallback1 received ShowVersionReply: context=%d, program=%s,"
41 + "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
42 new String(msg.program, StandardCharsets.UTF_8),
43 new String(msg.version, StandardCharsets.UTF_8),
44 new String(msg.buildDate, StandardCharsets.UTF_8),
45 new String(msg.buildDirectory, StandardCharsets.UTF_8));
49 public void onError(VppCallbackException ex) {
50 System.out.printf("Received onError exception in showVersionCallback1: call=%s, reply=%d, context=%d%n",
51 ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
55 private static ShowVersionReplyCallback showVersionCallback2 = new ShowVersionReplyCallback() {
57 public void onShowVersionReply(final ShowVersionReply msg) {
58 System.out.printf("ShowVersionCallback2 received ShowVersionReply: context=%d, program=%s,"
59 + "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
60 new String(msg.program, StandardCharsets.UTF_8),
61 new String(msg.version, StandardCharsets.UTF_8),
62 new String(msg.buildDate, StandardCharsets.UTF_8),
63 new String(msg.buildDirectory, StandardCharsets.UTF_8));
67 public void onError(VppCallbackException ex) {
68 System.out.printf("Received onError exception in showVersionCallback2: call=%s, reply=%d, context=%d%n",
69 ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
74 private static GetNodeIndexReplyCallback getNodeIndexCallback = new GetNodeIndexReplyCallback() {
76 public void onGetNodeIndexReply(final GetNodeIndexReply msg) {
77 System.out.printf("Received GetNodeIndexReply: %s%n", msg);
81 public void onError(VppCallbackException ex) {
82 System.out.printf("Received onError exception in getNodeIndexCallback: call=%s, reply=%d, context=%d%n",
83 ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
87 private static void testCallbackFacade() throws Exception {
88 System.out.println("Testing CallbackJVppFacade");
90 try (final JVppRegistry registry = new JVppRegistryImpl("CallbackFacadeExample");
91 final CallbackJVppCoreFacade callbackFacade = new CallbackJVppCoreFacade(registry, new JVppCoreImpl())) {
92 System.out.println("Successfully connected to VPP");
94 callbackFacade.showVersion(showVersionCallback1);
95 callbackFacade.showVersion(showVersionCallback2);
97 GetNodeIndex getNodeIndexRequest = new GetNodeIndex();
98 getNodeIndexRequest.nodeName = "dummyNode".getBytes(StandardCharsets.UTF_8);
99 callbackFacade.getNodeIndex(getNodeIndexRequest, getNodeIndexCallback);
102 System.out.println("Disconnecting...");
107 public static void main(String[] args) throws Exception {
108 testCallbackFacade();