2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.openflowplugin.impl.services;
10 import com.google.common.util.concurrent.Futures;
11 import com.google.common.util.concurrent.JdkFutureAdapters;
12 import com.google.common.util.concurrent.ListenableFuture;
13 import java.util.concurrent.Future;
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.openflowplugin.impl.callback.SuccessCallback;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SalEchoService;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoInput;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoOutput;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoOutputBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInput;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInputBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoOutput;
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;
32 public class SalEchoServiceImpl extends CommonService implements SalEchoService {
34 private static final Logger LOG = LoggerFactory.getLogger(SalEchoServiceImpl.class);
36 public SalEchoServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
37 super(requestContextStack, deviceContext);
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();
49 final DeviceContext deviceContext = getDeviceContext();
50 Long reserverXid = deviceContext.getReservedXid();
51 if (null == reserverXid) {
52 reserverXid = deviceContext.getReservedXid();
53 return RequestContextUtil.closeRequestContextWithRpcError(requestContext, "Outbound queue wasn't able to reserve XID.");
55 final Xid xid = new Xid(reserverXid);
56 requestContext.setXid(xid);
58 LOG.trace("Hooking xid {} to device context - precaution.", requestContext.getXid().getValue());
59 deviceContext.hookRequestCtx(requestContext.getXid(), requestContext);
61 final EchoInputBuilder echoInputOFJavaBuilder = new EchoInputBuilder();
62 echoInputOFJavaBuilder.setVersion(getVersion());
63 echoInputOFJavaBuilder.setXid(xid.getValue());
64 echoInputOFJavaBuilder.setData(sendEchoInput.getData());
65 final EchoInput echoInputOFJava = echoInputOFJavaBuilder.build();
67 // FIXME: should be submitted via OutboundQueue
68 final Future<RpcResult<EchoOutput>> rpcEchoOutputOFJava = getPrimaryConnectionAdapter()
69 .echo(echoInputOFJava);
70 LOG.debug("Echo with xid {} was sent from controller", xid);
72 ListenableFuture<RpcResult<EchoOutput>> listenableRpcEchoOutputOFJava = JdkFutureAdapters
73 .listenInPoolThread(rpcEchoOutputOFJava);
75 // callback on OF JAVA future
76 SuccessCallback<EchoOutput, SendEchoOutput> successCallback = new SuccessCallback<EchoOutput, SendEchoOutput>(
77 deviceContext, requestContext, listenableRpcEchoOutputOFJava) {
80 public RpcResult<SendEchoOutput> transform(final RpcResult<EchoOutput> rpcResult) {
81 EchoOutput echoOutputOFJava = rpcResult.getResult();
82 SendEchoOutputBuilder sendEchoOutputBuilder = new SendEchoOutputBuilder();
83 sendEchoOutputBuilder.setData(echoOutputOFJava.getData());
85 LOG.debug("Echo with xid {} was received by controller.", rpcResult.getResult().getXid());
86 return RpcResultBuilder.success(sendEchoOutputBuilder.build()).build();
89 Futures.addCallback(listenableRpcEchoOutputOFJava, successCallback);
91 return requestContext.getFuture();