src/vpp-api/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.util.Objects;
  33 import java.util.concurrent.CompletableFuture;
  34 import java.util.concurrent.Future;
  35 import java.util.logging.Level;
  36 import java.util.logging.Logger;
  37
  38 public class FutureApiTest {
  39
  40     private static final Logger LOG = Logger.getLogger(FutureApiTest.class.getName());
  41
  42     private static void testShowVersion(final FutureJVppCoreFacade jvpp) throws Exception {
  43         LOG.info("Sending ShowVersion request...");
  44         final Future<ShowVersionReply> replyFuture = jvpp.showVersion(new ShowVersion()).toCompletableFuture();
  45         final ShowVersionReply reply = replyFuture.get();
  46         LOG.info(
  47             String.format(
  48                 "Received ShowVersionReply: context=%d, program=%s, version=%s, buildDate=%s, buildDirectory=%s%n",
  49                 reply.context, new String(reply.program), new String(reply.version), new String(reply.buildDate),
  50                 new String(reply.buildDirectory)));
  51     }
  52
  53     private static void testEmptyBridgeDomainDump(final FutureJVppCoreFacade jvpp) throws Exception {
  54         LOG.info("Sending ShowVersion request...");
  55         final BridgeDomainDump request = new BridgeDomainDump();
  56         request.bdId = -1; // dump call
  57
  58         final CompletableFuture<BridgeDomainDetailsReplyDump>
  59             replyFuture = jvpp.bridgeDomainDump(request).toCompletableFuture();
  60         final BridgeDomainDetailsReplyDump reply = replyFuture.get();
  61
  62         if (reply == null || reply.bridgeDomainDetails == null) {
  63             LOG.severe("Received null response for empty dump: " + reply);
  64         } else {
  65             LOG.info(
  66                 String.format(
  67                     "Received empty bridge-domain dump reply with list of bridge-domains: %s, %s",
  68                     reply.bridgeDomainDetails, reply.bridgeDomainSwIfDetails));
  69         }
  70     }
  71
  72     private static void testGetNodeIndex(final FutureJVppCoreFacade jvpp) {
  73         LOG.info("Sending GetNodeIndex request...");
  74         final GetNodeIndex request = new GetNodeIndex();
  75         request.nodeName = "non-existing-node".getBytes();
  76         final Future<GetNodeIndexReply> replyFuture = jvpp.getNodeIndex(request).toCompletableFuture();
  77         try {
  78             final GetNodeIndexReply reply = replyFuture.get();
  79             LOG.info(
  80                 String.format(
  81                     "Received GetNodeIndexReply: context=%d, nodeIndex=%d%n", reply.context, reply.nodeIndex));
  82         } catch (Exception e) {
  83             LOG.log(Level.SEVERE, "GetNodeIndex request failed", e);
  84         }
  85     }
  86
  87     private static void testSwInterfaceDump(final FutureJVppCoreFacade jvpp) throws Exception {
  88         LOG.info("Sending SwInterfaceDump request...");
  89         final SwInterfaceDump request = new SwInterfaceDump();
  90         request.nameFilterValid = 0;
  91         request.nameFilter = "".getBytes();
  92
  93         final Future<SwInterfaceDetailsReplyDump> replyFuture = jvpp.swInterfaceDump(request).toCompletableFuture();
  94         final SwInterfaceDetailsReplyDump reply = replyFuture.get();
  95         for (SwInterfaceDetails details : reply.swInterfaceDetails) {
  96             Objects.requireNonNull(details, "reply.swInterfaceDetails contains null element!");
  97             LOG.info(
  98                 String.format("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, "
  99                         + "linkUpDown=%d, linkSpeed=%d, linkMtu=%d%n",
 100                     new String(details.interfaceName), details.l2AddressLength, details.adminUpDown,
 101                     details.linkUpDown, details.linkSpeed, (int) details.linkMtu));
 102         }
 103     }
 104
 105     private static void testFutureApi() throws Exception {
 106         LOG.info("Testing Java future API");
 107         try (final JVppRegistry registry = new JVppRegistryImpl("FutureApiTest");
 108              final FutureJVppCoreFacade jvppFacade = new FutureJVppCoreFacade(registry, new JVppCoreImpl())) {
 109             LOG.info("Successfully connected to VPP");
 110
 111             testEmptyBridgeDomainDump(jvppFacade);
 112             testShowVersion(jvppFacade);
 113             testGetNodeIndex(jvppFacade);
 114             testSwInterfaceDump(jvppFacade);
 115
 116             LOG.info("Disconnecting...");
 117         }
 118     }
 119
 120     public static void main(String[] args) throws Exception {
 121         testFutureApi();
 122     }
 123 }