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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.jvpp.core.examples;
import io.fd.jvpp.JVppRegistry;
import io.fd.jvpp.JVppRegistryImpl;
import io.fd.jvpp.VppCallbackException;
import io.fd.jvpp.core.JVppCoreImpl;
import io.fd.jvpp.core.callback.GetNodeIndexReplyCallback;
import io.fd.jvpp.core.callback.ShowVersionReplyCallback;
import io.fd.jvpp.core.callfacade.CallbackJVppCoreFacade;
import io.fd.jvpp.core.dto.GetNodeIndex;
import io.fd.jvpp.core.dto.GetNodeIndexReply;
import io.fd.jvpp.core.dto.ShowVersionReply;
import java.nio.charset.StandardCharsets;
/**
* CallbackJVppFacade together with CallbackJVppFacadeCallback allow for setting different callback for each request.
* This is more convenient than the approach shown in CallbackApiExample.
*/
public class CallbackJVppFacadeExample {
private static ShowVersionReplyCallback showVersionCallback1 = new ShowVersionReplyCallback() {
@Override
public void onShowVersionReply(final ShowVersionReply msg) {
System.out.printf("ShowVersionCallback1 received ShowVersionReply: context=%d, program=%s,"
+ "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
msg.program,
msg.version,
msg.buildDate,
msg.buildDirectory);
}
@Override
public void onError(VppCallbackException ex) {
System.out.printf("Received onError exception in showVersionCallback1: call=%s, reply=%d, context=%d%n",
ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
}
};
private static ShowVersionReplyCallback showVersionCallback2 = new ShowVersionReplyCallback() {
@Override
public void onShowVersionReply(final ShowVersionReply msg) {
System.out.printf("ShowVersionCallback2 received ShowVersionReply: context=%d, program=%s,"
+ "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
msg.program,
msg.version,
msg.buildDate,
msg.buildDirectory);
}
@Override
public void onError(VppCallbackException ex) {
System.out.printf("Received onError exception in showVersionCallback2: call=%s, reply=%d, context=%d%n",
ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
}
};
private static GetNodeIndexReplyCallback getNodeIndexCallback = new GetNodeIndexReplyCallback() {
@Override
public void onGetNodeIndexReply(final GetNodeIndexReply msg) {
System.out.printf("Received GetNodeIndexReply: %s%n", msg);
}
@Override
public void onError(VppCallbackException ex) {
System.out.printf("Received onError exception in getNodeIndexCallback: call=%s, reply=%d, context=%d%n",
ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
}
};
private static void testCallbackFacade() throws Exception {
System.out.println("Testing CallbackJVppFacade");
try (final JVppRegistry registry = new JVppRegistryImpl("CallbackFacadeExample");
final CallbackJVppCoreFacade callbackFacade = new CallbackJVppCoreFacade(registry, new JVppCoreImpl())) {
System.out.println("Successfully connected to VPP");
callbackFacade.showVersion(showVersionCallback1);
callbackFacade.showVersion(showVersionCallback2);
GetNodeIndex getNodeIndexRequest = new GetNodeIndex();
getNodeIndexRequest.nodeName = "dummyNode".getBytes(StandardCharsets.UTF_8);
callbackFacade.getNodeIndex(getNodeIndexRequest, getNodeIndexCallback);
Thread.sleep(2000);
System.out.println("Disconnecting...");
}
Thread.sleep(1000);
}
public static void main(String[] args) throws Exception {
testCallbackFacade();
}
}
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