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 java.util.Objects;
  20 import java.util.concurrent.Future;
  21 import org.openvpp.jvpp.VppJNIConnection;
  22 import org.openvpp.jvpp.dto.GetNodeIndex;
  23 import org.openvpp.jvpp.dto.GetNodeIndexReply;
  24 import org.openvpp.jvpp.dto.ShowVersion;
  25 import org.openvpp.jvpp.dto.ShowVersionReply;
  26 import org.openvpp.jvpp.dto.SwInterfaceDetails;
  27 import org.openvpp.jvpp.dto.SwInterfaceDetailsReplyDump;
  28 import org.openvpp.jvpp.dto.SwInterfaceDump;
  29 import org.openvpp.jvpp.future.FutureJVppFacade;
  30
  31 public class FutureApiTest {
  32
  33     private static void testShowVersion(final FutureJVppFacade jvpp) {
  34         System.out.println("Sending ShowVersion request...");
  35         try {
  36             Objects.requireNonNull(jvpp,"jvpp is null");
  37             final Future<ShowVersionReply> replyFuture = jvpp.showVersion(new ShowVersion()).toCompletableFuture();
  38             Objects.requireNonNull(replyFuture,"replyFuture is null");
  39             final ShowVersionReply reply = replyFuture.get();
  40             Objects.requireNonNull(reply,"reply is null");
  41             System.out.printf("Received ShowVersionReply: context=%d, retval=%d, program=%s, " +
  42                             "version=%s, buildDate=%s, buildDirectory=%s\n",
  43                     reply.context, reply.retval, new String(reply.program), new String(reply.version),
  44                     new String(reply.buildDate), new String(reply.buildDirectory));
  45         } catch (Exception e) {
  46             System.err.printf("ShowVersion request failed:\n");
  47             e.printStackTrace();
  48         }
  49     }
  50
  51     /**
  52      * This test will fail with some error code if node 'node0' is not defined.
  53      * TODO: consider adding error messages specific for given api calls
  54      */
  55     private static void testGetNodeIndex(final FutureJVppFacade jvpp) {
  56         System.out.println("Sending GetNodeIndex request...");
  57         try {
  58             Objects.requireNonNull(jvpp,"jvpp is null");
  59             final GetNodeIndex request = new GetNodeIndex();
  60             request.nodeName = "node0".getBytes();
  61             final Future<GetNodeIndexReply> replyFuture = jvpp.getNodeIndex(request).toCompletableFuture();
  62             Objects.requireNonNull(replyFuture,"replyFuture is null");
  63             final GetNodeIndexReply reply = replyFuture.get();
  64             Objects.requireNonNull(reply,"reply is null");
  65             System.out.printf("Received GetNodeIndexReply: context=%d, retval=%d, nodeIndex=%d\n",
  66                     reply.context, reply.retval, reply.nodeIndex);
  67         } catch (Exception e) {
  68             System.err.printf("GetNodeIndex request failed:\n");
  69             e.printStackTrace();
  70         }
  71     }
  72
  73     private static void testSwInterfaceDump(final FutureJVppFacade jvpp) {
  74         System.out.println("Sending SwInterfaceDump request...");
  75         try {
  76             Objects.requireNonNull(jvpp,"SwInterfaceDetailsReplyDump is null!");
  77             final SwInterfaceDump request = new SwInterfaceDump();
  78             request.nameFilterValid = 0;
  79             request.nameFilter = "".getBytes();
  80             final Future<SwInterfaceDetailsReplyDump> replyFuture = jvpp.swInterfaceDump(request).toCompletableFuture();
  81             Objects.requireNonNull(replyFuture,"replyFuture is null");
  82             final SwInterfaceDetailsReplyDump reply = replyFuture.get();
  83             Objects.requireNonNull(reply.swInterfaceDetails, "SwInterfaceDetailsReplyDump.swInterfaceDetails is null!");
  84             for (SwInterfaceDetails details : reply.swInterfaceDetails) {
  85                 Objects.requireNonNull(details, "reply.swInterfaceDetails contains null element!");
  86                 System.out.printf("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, " +
  87                                 "linkUpDown=%d, linkSpeed=%d, linkMtu=%d\n",
  88                         new String(details.interfaceName), details.l2AddressLength, details.adminUpDown,
  89                         details.linkUpDown, details.linkSpeed, (int) details.linkMtu);
  90             }
  91         } catch(NullPointerException e) {
  92             throw new IllegalStateException(e.getMessage());
  93         } catch (Exception e) {
  94             System.err.printf("SwInterfaceDump request failed:\n");
  95             e.printStackTrace();
  96         }
  97     }
  98
  99     private static void testFutureApi() throws Exception {
 100         System.out.println("Testing Java future API");
 101
 102         final org.openvpp.jvpp.JVppImpl impl =
 103                 new org.openvpp.jvpp.JVppImpl(new VppJNIConnection("FutureApiTest"));
 104         final FutureJVppFacade jvppFacade = new FutureJVppFacade(impl);
 105         System.out.println("Successfully connected to VPP");
 106
 107         testShowVersion(jvppFacade);
 108         testGetNodeIndex(jvppFacade);
 109         testSwInterfaceDump(jvppFacade);
 110
 111         System.out.println("Disconnecting...");
 112         // TODO we should consider adding jvpp.close(); to the facade
 113         impl.close();
 114     }
 115
 116     public static void main(String[] args) throws Exception {
 117         testFutureApi();
 118     }
 119 }