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 java.util.Objects;
  20 import java.util.concurrent.CompletableFuture;
  21 import java.util.concurrent.Future;
  22 import java.util.logging.Level;
  23 import java.util.logging.Logger;
  24 import io.fd.vpp.jvpp.JVpp;
  25 import io.fd.vpp.jvpp.JVppRegistry;
  26 import io.fd.vpp.jvpp.JVppRegistryImpl;
  27 import io.fd.vpp.jvpp.core.JVppCoreImpl;
  28 import io.fd.vpp.jvpp.core.dto.BridgeDomainDetailsReplyDump;
  29 import io.fd.vpp.jvpp.core.dto.BridgeDomainDump;
  30 import io.fd.vpp.jvpp.core.dto.GetNodeIndex;
  31 import io.fd.vpp.jvpp.core.dto.GetNodeIndexReply;
  32 import io.fd.vpp.jvpp.core.dto.ShowVersion;
  33 import io.fd.vpp.jvpp.core.dto.ShowVersionReply;
  34 import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
  35 import io.fd.vpp.jvpp.core.dto.SwInterfaceDetailsReplyDump;
  36 import io.fd.vpp.jvpp.core.dto.SwInterfaceDump;
  37 import io.fd.vpp.jvpp.core.future.FutureJVppCoreFacade;
  38
  39 public class FutureApiTest {
  40
  41     private static final Logger LOG = Logger.getLogger(FutureApiTest.class.getName());
  42
  43     private static void testShowVersion(final FutureJVppCoreFacade jvpp) throws Exception {
  44         LOG.info("Sending ShowVersion request...");
  45         final Future<ShowVersionReply> replyFuture = jvpp.showVersion(new ShowVersion()).toCompletableFuture();
  46         final ShowVersionReply reply = replyFuture.get();
  47         LOG.info(
  48                 String.format(
  49                         "Received ShowVersionReply: context=%d, program=%s, version=%s, buildDate=%s, buildDirectory=%s%n",
  50                         reply.context, new String(reply.program), new String(reply.version), new String(reply.buildDate),
  51                         new String(reply.buildDirectory)));
  52     }
  53
  54     private static void testEmptyBridgeDomainDump(final FutureJVppCoreFacade jvpp) throws Exception {
  55         LOG.info("Sending ShowVersion request...");
  56         final BridgeDomainDump request = new BridgeDomainDump();
  57         request.bdId = -1; // dump call
  58
  59         final CompletableFuture<BridgeDomainDetailsReplyDump>
  60                 replyFuture = jvpp.bridgeDomainDump(request).toCompletableFuture();
  61         final BridgeDomainDetailsReplyDump reply = replyFuture.get();
  62
  63         if (reply == null || reply.bridgeDomainDetails == null) {
  64             LOG.severe("Received null response for empty dump: " + reply);
  65         } else {
  66             LOG.info(
  67                     String.format(
  68                             "Received empty bridge-domain dump reply with list of bridge-domains: %s, %s",
  69                             reply.bridgeDomainDetails, reply.bridgeDomainSwIfDetails));
  70         }
  71     }
  72
  73     private static void testGetNodeIndex(final FutureJVppCoreFacade jvpp) {
  74         LOG.info("Sending GetNodeIndex request...");
  75         final GetNodeIndex request = new GetNodeIndex();
  76         request.nodeName = "non-existing-node".getBytes();
  77         final Future<GetNodeIndexReply> replyFuture = jvpp.getNodeIndex(request).toCompletableFuture();
  78         try {
  79             final GetNodeIndexReply reply = replyFuture.get();
  80             LOG.info(
  81                     String.format(
  82                             "Received GetNodeIndexReply: context=%d, nodeIndex=%d%n", reply.context, reply.nodeIndex));
  83         } catch (Exception e) {
  84             LOG.log(Level.SEVERE, "GetNodeIndex request failed", e);
  85         }
  86     }
  87
  88     private static void testSwInterfaceDump(final FutureJVppCoreFacade jvpp) throws Exception {
  89         LOG.info("Sending SwInterfaceDump request...");
  90         final SwInterfaceDump request = new SwInterfaceDump();
  91         request.nameFilterValid = 0;
  92         request.nameFilter = "".getBytes();
  93
  94         final Future<SwInterfaceDetailsReplyDump> replyFuture = jvpp.swInterfaceDump(request).toCompletableFuture();
  95         final SwInterfaceDetailsReplyDump reply = replyFuture.get();
  96         for (SwInterfaceDetails details : reply.swInterfaceDetails) {
  97             Objects.requireNonNull(details, "reply.swInterfaceDetails contains null element!");
  98             LOG.info(
  99                     String.format("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, "
 100                                     + "linkUpDown=%d, linkSpeed=%d, linkMtu=%d%n",
 101                             new String(details.interfaceName), details.l2AddressLength, details.adminUpDown,
 102                             details.linkUpDown, details.linkSpeed, (int) details.linkMtu));
 103         }
 104     }
 105
 106     private static void testFutureApi() throws Exception {
 107         LOG.info("Testing Java future API");
 108
 109         final JVppRegistry registry = new JVppRegistryImpl("FutureApiTest");
 110         final JVpp jvpp = new JVppCoreImpl();
 111         final FutureJVppCoreFacade jvppFacade = new FutureJVppCoreFacade(registry, jvpp);
 112         LOG.info("Successfully connected to VPP");
 113
 114         testEmptyBridgeDomainDump(jvppFacade);
 115         testShowVersion(jvppFacade);
 116         testGetNodeIndex(jvppFacade);
 117         testSwInterfaceDump(jvppFacade);
 118
 119         LOG.info("Disconnecting...");
 120         registry.close();
 121     }
 122
 123     public static void main(String[] args) throws Exception {
 124         testFutureApi();
 125     }
 126 }