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

   1 /**
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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 package org.opendaylight.openflowplugin.impl.services;
   9
  10 import com.google.common.util.concurrent.FutureCallback;
  11 import com.google.common.util.concurrent.SettableFuture;
  12 import java.util.concurrent.Future;
  13 import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  18 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SalEchoService;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoInput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoOutput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInputBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  26 import org.opendaylight.yangtools.yang.common.RpcError;
  27 import org.opendaylight.yangtools.yang.common.RpcResult;
  28 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class SalEchoServiceImpl extends CommonService implements SalEchoService {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(SalEchoServiceImpl.class);
  35
  36     public SalEchoServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  37         super(requestContextStack, deviceContext);
  38     }
  39
  40     @Override
  41     public Future<RpcResult<SendEchoOutput>> sendEcho(final SendEchoInput sendEchoInput) {
  42         final RequestContext<SendEchoOutput> requestContext = getRequestContextStack().createRequestContext();
  43         if (requestContext == null) {
  44             getMessageSpy().spyMessage(null, MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_FAILURE);
  45             return failedFuture();
  46         }
  47
  48
  49         final DeviceContext deviceContext = getDeviceContext();
  50
  51         LOG.trace("Hooking xid {} to device context - precaution.", requestContext.getXid().getValue());
  52         final Xid xid = requestContext.getXid();
  53         deviceContext.hookRequestCtx(xid , requestContext);
  54
  55         final EchoInputBuilder echoInputOFJavaBuilder = new EchoInputBuilder();
  56         echoInputOFJavaBuilder.setVersion(getVersion());
  57         echoInputOFJavaBuilder.setXid(requestContext.getXid().getValue());
  58         echoInputOFJavaBuilder.setData(sendEchoInput.getData());
  59         final EchoInput echoInputOFJava = echoInputOFJavaBuilder.build();
  60
  61         LOG.debug("Echo with xid {} was sent from controller", xid);
  62
  63         final OutboundQueue outboundQueue = getDeviceContext().getPrimaryConnectionContext().getOutboundQueueProvider();
  64         final SettableFuture<RpcResult<SendEchoOutput>> settableFuture = SettableFuture.create();
  65         outboundQueue.commitEntry(xid.getValue(), echoInputOFJava, new FutureCallback<OfHeader>() {
  66             @Override
  67             public void onSuccess(final OfHeader ofHeader) {
  68                 RequestContextUtil.closeRequstContext(requestContext);
  69                 getDeviceContext().unhookRequestCtx(requestContext.getXid());
  70                 getMessageSpy().spyMessage(echoInputOFJava.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_SUCCESS);
  71
  72                 settableFuture.set(RpcResultBuilder.<SendEchoOutput>success().build());
  73             }
  74
  75             @Override
  76             public void onFailure(final Throwable throwable) {
  77                 RpcResultBuilder rpcResultBuilder = RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, throwable.getMessage(), throwable);
  78                 RequestContextUtil.closeRequstContext(requestContext);
  79                 getDeviceContext().unhookRequestCtx(requestContext.getXid());
  80                 getMessageSpy().spyMessage(echoInputOFJava.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_FAILURE);
  81                 settableFuture.set(rpcResultBuilder.build());
  82             }
  83         });
  84         return settableFuture;
  85     }
  86 }