extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/test/FutureApiTest.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.core.JVppCoreImpl;
  22 import io.fd.vpp.jvpp.core.dto.BridgeDomainDetailsReplyDump;
  23 import io.fd.vpp.jvpp.core.dto.BridgeDomainDump;
  24 import io.fd.vpp.jvpp.core.dto.GetNodeIndex;
  25 import io.fd.vpp.jvpp.core.dto.GetNodeIndexReply;
  26 import io.fd.vpp.jvpp.core.dto.ShowVersion;
  27 import io.fd.vpp.jvpp.core.dto.ShowVersionReply;
  28 import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
  29 import io.fd.vpp.jvpp.core.dto.SwInterfaceDetailsReplyDump;
  30 import io.fd.vpp.jvpp.core.dto.SwInterfaceDump;
  31 import io.fd.vpp.jvpp.core.future.FutureJVppCoreFacade;
  32 import java.nio.charset.StandardCharsets;
  33 import java.util.Objects;
  34 import java.util.concurrent.CompletableFuture;
  35 import java.util.concurrent.Future;
  36 import java.util.logging.Level;
  37 import java.util.logging.Logger;
  38
  39 public class FutureApiTest {
  40
  41     private static final Logger LOG = Logger.getLogger(FutureApiTest.class.getName());
  42
  43     public static void main(String[] args) throws Exception {
  44         testFutureApi(args);
  45     }
  46
  47     private static void testFutureApi(String[] args) throws Exception {
  48         LOG.info("Testing Java future API for core plugin");
  49         try (final JVppRegistry registry = new JVppRegistryImpl("FutureApiTest", args[0]);
  50              final FutureJVppCoreFacade jvppFacade = new FutureJVppCoreFacade(registry, new JVppCoreImpl())) {
  51             LOG.info("Successfully connected to VPP");
  52
  53             testEmptyBridgeDomainDump(jvppFacade);
  54
  55             LOG.info("Disconnecting...");
  56         }
  57     }
  58
  59     private static void testEmptyBridgeDomainDump(final FutureJVppCoreFacade jvpp) throws Exception {
  60         LOG.info("Sending BridgeDomainDump request...");
  61         final BridgeDomainDump request = new BridgeDomainDump();
  62         request.bdId = -1; // dump call
  63
  64         final CompletableFuture<BridgeDomainDetailsReplyDump>
  65             replyFuture = jvpp.bridgeDomainDump(request).toCompletableFuture();
  66         final BridgeDomainDetailsReplyDump reply = replyFuture.get();
  67
  68         if (reply == null || reply.bridgeDomainDetails == null) {
  69             throw new IllegalStateException("Received null response for empty dump: " + reply);
  70         } else {
  71             LOG.info(
  72                 String.format(
  73                     "Received bridge-domain dump reply with list of bridge-domains: %s",
  74                     reply.bridgeDomainDetails));
  75         }
  76     }
  77
  78
  79 }