vnfs/honeycomb_plugin/sample_plugin/sample-plugin-impl/src/main/java/io/fd/honeycomb/tutorial/write/PgWriteCustomizer.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  /*
  18  * Modifications copyright (c) 2017 AT&T Intellectual Property
  19  */
  20
  21 package io.fd.honeycomb.tutorial.write;
  22
  23 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
  24 import io.fd.honeycomb.translate.v3po.util.NamingContext;
  25 import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
  26 import io.fd.honeycomb.translate.write.WriteContext;
  27 import io.fd.honeycomb.translate.write.WriteFailedException;
  28 import javax.annotation.Nonnull;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev160918.sample.plugin.params.pg.streams.PgStream;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev160918.sample.plugin.params.pg.streams.PgStreamKey;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.openvpp.jvpp.VppBaseCallException;
  33 import org.openvpp.jvpp.core.dto.PgEnableDisable;
  34 import org.openvpp.jvpp.core.dto.PgEnableDisableReply;
  35 import org.openvpp.jvpp.core.future.FutureJVppCore;
  36
  37 import java.util.Arrays;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41
  42 /**
  43  * Writer for {@link VxlanTunnel} list node from our YANG model.
  44  */
  45 public final class PgWriteCustomizer implements ListWriterCustomizer<PgStream, PgStreamKey> {
  46
  47
  48     private static final Logger LOG = LoggerFactory.getLogger(PgWriteCustomizer.class);
  49
  50     /**
  51      * JVpp APIs
  52      */
  53     private final FutureJVppCore jvppCore;
  54     /**
  55      * Shared vxlan tunnel naming context
  56      */
  57     private final NamingContext pgStreamNamingContext;
  58
  59     public PgWriteCustomizer(final FutureJVppCore jvppCore, final NamingContext pgStreamNamingContext) {
  60         this.jvppCore = jvppCore;
  61         this.pgStreamNamingContext = pgStreamNamingContext;
  62     }
  63
  64     @Override
  65     public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<PgStream> id,
  66                                        @Nonnull final PgStream dataAfter,
  67                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
  68         // Create and set vxlan tunnel add request
  69         final PgEnableDisable pgEnableDisable = new PgEnableDisable();
  70         // 1 for add, 0 for delete
  71         //look into this file: ~/vpp/build-root/build-vpp-native/vpp-api/java/jvpp-core/org/openvpp/jvpp/core/dto/PgEnableDisable.java
  72         pgEnableDisable.isEnabled = 1;//public byte
  73         String sName = dataAfter.getId();
  74         //pgEnableDisable.streamName = sName.getBytes();//public byte[]
  75         byte[] tempArray = sName.getBytes();
  76         LOG.info("Going to copy array!!!");
  77         String tempMsg = "";
  78         pgEnableDisable.streamName = new byte[tempArray.length+1];
  79         for(int i = 0; i < tempArray.length; i++){
  80              tempMsg = "copying: i= "+i+" value: "+tempArray[i];
  81              LOG.info(tempMsg);
  82              pgEnableDisable.streamName[i] = tempArray[i];
  83         }
  84
  85         //System.arraycopy( sName.getBytes(), 0, pgEnableDisable.streamName, 0, sName.length());
  86         pgEnableDisable.streamNameLength = sName.length() + 1;//public int
  87         String logMsg = "######***** Enabling: "+sName+" len: "+sName.length()+" getBytes:" + Arrays.toString(pgEnableDisable.streamName);
  88         LOG.info(logMsg);
  89         // dataAfter is the new vxlanTunnel configuration
  90         //final boolean isIpv6 = dataAfter.getSrc().getIpv6Address() != null;
  91         //vxlanAddDelTunnel.isIpv6 = TranslateUtils.booleanToByte(isIpv6);
  92         //vxlanAddDelTunnel.srcAddress = TranslateUtils.ipAddressToArray(isIpv6, dataAfter.getSrc());
  93         //vxlanAddDelTunnel.dstAddress = TranslateUtils.ipAddressToArray(isIpv6, dataAfter.getDst());
  94         // There are other input parameters that are not exposed by our YANG model, default values will be used
  95
  96         try {
  97             final PgEnableDisableReply replyForWrite = TranslateUtils
  98                     .getReplyForWrite(jvppCore.pgEnableDisable(pgEnableDisable).toCompletableFuture(), id);
  99
 100             // VPP returns the index of new vxlan tunnel
 101             //final int newVxlanTunnelIndex = replyForWrite.swIfIndex;
 102             // It's important to store it in context so that reader knows to which name a vxlan tunnel is mapped
 103             pgStreamNamingContext.addName(1, dataAfter.getId(), writeContext.getMappingContext());
 104         } catch (VppBaseCallException e) {
 105             throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
 106         }
 107     }
 108
 109     @Override
 110     public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<PgStream> id,
 111                                         @Nonnull final PgStream dataBefore,
 112                                         @Nonnull final PgStream dataAfter, @Nonnull final WriteContext writeContext)
 113             throws WriteFailedException {
 114         // Not supported at VPP API level, throw exception
 115         throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter,
 116                 new UnsupportedOperationException("Vxlan tunnel update is not supported by VPP"));
 117     }
 118
 119     @Override
 120     public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<PgStream> id,
 121                                         @Nonnull final PgStream dataBefore,
 122                                         @Nonnull final WriteContext writeContext) throws WriteFailedException {
 123         // Create and set vxlan tunnel add request
 124         //final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel();
 125         final PgEnableDisable pgEnableDisable = new PgEnableDisable();
 126         // 1 for add, 0 for delete
 127         //vxlanAddDelTunnel.isAdd = 0;
 128         pgEnableDisable.isEnabled = 0;//public byte
 129
 130         String sName = dataBefore.getId();
 131         pgEnableDisable.streamName = sName.getBytes();//public byte[]
 132         pgEnableDisable.streamNameLength = sName.length()+1;//public int
 133
 134         String logMsg1 = "***** Disabling: "+sName+" len: "+sName.length()+" getBytes:" + Arrays.toString(pgEnableDisable.streamName);
 135         LOG.info(logMsg1);
 136         // Vxlan tunnel is identified by its attributes when deleting, not index, so set all attributes
 137         // dataBefore is the vxlan tunnel that's being deleted
 138         //final boolean isIpv6 = dataBefore.getSrc().getIpv6Address() != null;
 139         //vxlanAddDelTunnel.isIpv6 = TranslateUtils.booleanToByte(isIpv6);
 140         //vxlanAddDelTunnel.srcAddress = TranslateUtils.ipAddressToArray(isIpv6, dataBefore.getSrc());
 141         //vxlanAddDelTunnel.dstAddress = TranslateUtils.ipAddressToArray(isIpv6, dataBefore.getDst());
 142         // There are other input parameters that are not exposed by our YANG model, default values will be used
 143
 144         try {
 145            // final VxlanAddDelTunnelReply replyForWrite = TranslateUtils
 146            //         .getReplyForWrite(jvppCore.vxlanAddDelTunnel(vxlanAddDelTunnel).toCompletableFuture(), id);
 147           final PgEnableDisableReply replyForWrite = TranslateUtils
 148                     .getReplyForWrite(jvppCore.pgEnableDisable(pgEnableDisable).toCompletableFuture(), id);
 149            // It's important to remove the mapping from context
 150            pgStreamNamingContext.removeName(dataBefore.getId(), writeContext.getMappingContext());
 151         } catch (VppBaseCallException e) {
 152             throw new WriteFailedException.DeleteFailedException(id, e);
 153         }
 154     }
 155 }