openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/FlowMessageService.java

   1 /**
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.services;
  10
  11 import org.opendaylight.openflowplugin.api.OFConstants;
  12 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  13 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  14 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInput;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlow;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlow;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowMessageBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModCommand;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  23 import org.opendaylight.yangtools.yang.binding.DataContainer;
  24 import org.opendaylight.yangtools.yang.binding.DataObject;
  25
  26 final class FlowMessageService<O extends DataObject> extends AbstractMessageService<Flow, FlowMessageBuilder, O> {
  27     protected FlowMessageService(final RequestContextStack requestContextStack, final DeviceContext deviceContext, final Class<O> clazz) {
  28         super(requestContextStack, deviceContext, clazz);
  29     }
  30
  31     @Override
  32     protected OfHeader buildRequest(final Xid xid, final Flow input) throws ServiceException {
  33         final FlowMessageBuilder flowMessageBuilder = new FlowMessageBuilder(input);
  34         final Class<? extends DataContainer> clazz = input.getImplementedInterface();
  35
  36         if (clazz.equals(AddFlowInput.class)
  37                 || clazz.equals(UpdatedFlow.class)) {
  38             flowMessageBuilder.setCommand(FlowModCommand.OFPFCADD);
  39         } else if (clazz.equals(RemoveFlowInput.class)
  40                 || clazz.equals(OriginalFlow.class)) {
  41             flowMessageBuilder.setCommand(Boolean.TRUE.equals(input.isStrict())
  42                     ? FlowModCommand.OFPFCDELETESTRICT
  43                     : FlowModCommand.OFPFCDELETE);
  44         }
  45
  46         return flowMessageBuilder
  47                 .setVersion(getVersion())
  48                 .setXid(xid.getValue())
  49                 .build();
  50     }
  51
  52     @Override
  53     public boolean isSupported() {
  54         return super.isSupported() && getVersion() >= OFConstants.OFP_VERSION_1_3;
  55     }
  56
  57 }