vpp-api/java/jvpp/org/openvpp/jvpp/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 org.openvpp.jvpp.test;
  18
  19 import org.openvpp.jvpp.VppJNIConnection;
  20 import org.openvpp.jvpp.dto.*;
  21 import org.openvpp.jvpp.future.FutureJVppFacade;
  22
  23 import java.util.Objects;
  24 import java.util.concurrent.ExecutionException;
  25 import java.util.concurrent.Future;
  26
  27 public class FutureApiTest {
  28
  29     private static void testShowVersion(final FutureJVppFacade jvpp) {
  30         System.out.println("Sending ShowVersion request...");
  31         try {
  32             Objects.requireNonNull(jvpp,"jvpp is null");
  33             final Future<ShowVersionReply> replyFuture = jvpp.showVersion(new ShowVersion()).toCompletableFuture();
  34             Objects.requireNonNull(replyFuture,"replyFuture is null");
  35             final ShowVersionReply reply = replyFuture.get();
  36             Objects.requireNonNull(reply,"reply is null");
  37             System.out.printf("Received ShowVersionReply: context=%d, program=%s, " +
  38                             "version=%s, buildDate=%s, buildDirectory=%s\n",
  39                     reply.context, new String(reply.program), new String(reply.version),
  40                     new String(reply.buildDate), new String(reply.buildDirectory));
  41         } catch (Exception e) {
  42             System.err.printf("ShowVersion request failed:"+e.getCause());
  43             e.printStackTrace();
  44         }
  45     }
  46
  47     /**
  48      * This test will fail with some error code if node 'node0' is not defined.
  49      * TODO: consider adding error messages specific for given api calls
  50      */
  51     private static void testGetNodeIndex(final FutureJVppFacade jvpp) {
  52         System.out.println("Sending GetNodeIndex request...");
  53         try {
  54             Objects.requireNonNull(jvpp,"jvpp is null");
  55             final GetNodeIndex request = new GetNodeIndex();
  56             request.nodeName = "node0".getBytes();
  57             final Future<GetNodeIndexReply> replyFuture = jvpp.getNodeIndex(request).toCompletableFuture();
  58             Objects.requireNonNull(replyFuture,"replyFuture is null");
  59             final GetNodeIndexReply reply = replyFuture.get();
  60             Objects.requireNonNull(reply,"reply is null");
  61             System.out.printf("Received GetNodeIndexReply: context=%d, nodeIndex=%d\n",
  62                     reply.context, reply.nodeIndex);
  63         } catch (ExecutionException e) {
  64             System.err.printf("GetNodeIndex request failed:"+e.getCause());
  65         } catch (Exception e) {
  66             System.err.printf("GetNodeIndex request failed:"+e.getCause());
  67             e.printStackTrace();
  68         }
  69     }
  70
  71     private static void testSwInterfaceDump(final FutureJVppFacade jvpp) {
  72         System.out.println("Sending SwInterfaceDump request...");
  73         try {
  74             Objects.requireNonNull(jvpp,"SwInterfaceDetailsReplyDump is null!");
  75             final SwInterfaceDump request = new SwInterfaceDump();
  76             request.nameFilterValid = 0;
  77             request.nameFilter = "".getBytes();
  78             final Future<SwInterfaceDetailsReplyDump> replyFuture = jvpp.swInterfaceDump(request).toCompletableFuture();
  79             Objects.requireNonNull(replyFuture,"replyFuture is null");
  80             final SwInterfaceDetailsReplyDump reply = replyFuture.get();
  81             Objects.requireNonNull(reply.swInterfaceDetails, "SwInterfaceDetailsReplyDump.swInterfaceDetails is null!");
  82             for (SwInterfaceDetails details : reply.swInterfaceDetails) {
  83                 Objects.requireNonNull(details, "reply.swInterfaceDetails contains null element!");
  84                 System.out.printf("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, " +
  85                                 "linkUpDown=%d, linkSpeed=%d, linkMtu=%d\n",
  86                         new String(details.interfaceName), details.l2AddressLength, details.adminUpDown,
  87                         details.linkUpDown, details.linkSpeed, (int) details.linkMtu);
  88             }
  89         } catch(NullPointerException e) {
  90             throw new IllegalStateException(e.getMessage());
  91         } catch (Exception e) {
  92             System.err.printf("SwInterfaceDump request failed:"+e.getCause());
  93             e.printStackTrace();
  94         }
  95     }
  96
  97     private static void testFutureApi() throws Exception {
  98         System.out.println("Testing Java future API");
  99
 100         final org.openvpp.jvpp.JVppImpl impl =
 101                 new org.openvpp.jvpp.JVppImpl(new VppJNIConnection("FutureApiTest"));
 102         final FutureJVppFacade jvppFacade = new FutureJVppFacade(impl);
 103         System.out.println("Successfully connected to VPP");
 104         testShowVersion(jvppFacade);
 105         testGetNodeIndex(jvppFacade);
 106         testSwInterfaceDump(jvppFacade);
 107
 108         System.out.println("Disconnecting...");
 109         // TODO we should consider adding jvpp.close(); to the facade
 110         impl.close();
 111     }
 112
 113     public static void main(String[] args) throws Exception {
 114         testFutureApi();
 115     }
 116 }