openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/DeviceContextImpl.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.device;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.SettableFuture;
  13 import java.math.BigInteger;
  14 import java.util.HashMap;
  15 import java.util.Map;
  16 import java.util.concurrent.Future;
  17 import javax.annotation.Nonnull;
  18 import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  21 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
  24 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  25 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  26 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  27 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
  28 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  29 import org.opendaylight.openflowplugin.api.openflow.device.RequestFutureContext;
  30 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  31 import org.opendaylight.openflowplugin.api.openflow.device.XidGenerator;
  32 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
  33 import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableFeatures;
  36 import org.opendaylight.yangtools.yang.binding.ChildOf;
  37 import org.opendaylight.yangtools.yang.binding.DataObject;
  38 import org.opendaylight.yangtools.yang.common.RpcResult;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  *
  44  */
  45 public class DeviceContextImpl implements DeviceContext, TransactionChainListener {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(DeviceContextImpl.class);
  48
  49     private final ConnectionContext primaryConnectionContext;
  50     private final DeviceState deviceState;
  51     private final DataBroker dataBroker;
  52     private final XidGenerator xidGenerator;
  53
  54     private final Map<Xid, RequestFutureContext> requests;
  55     private final Map<SwitchConnectionDistinguisher, ConnectionContext> auxiliaryConnectionContexts;
  56     private BindingTransactionChain txChainFactory;
  57
  58     @VisibleForTesting
  59     DeviceContextImpl(@Nonnull final ConnectionContext primaryConnectionContext,
  60             @Nonnull final DeviceState deviceState, @Nonnull final DataBroker dataBroker) {
  61         this.primaryConnectionContext = Preconditions.checkNotNull(primaryConnectionContext);
  62         this.deviceState = Preconditions.checkNotNull(deviceState);
  63         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  64         xidGenerator = new XidGenerator();
  65         txChainFactory = dataBroker.createTransactionChain(DeviceContextImpl.this);
  66         auxiliaryConnectionContexts = new HashMap<>();
  67         requests = new HashMap<>();
  68     }
  69
  70     @Override
  71     public <M extends ChildOf<DataObject>> void onMessage(final M message, final RequestContext requestContext) {
  72         // TODO Auto-generated method stub
  73
  74     }
  75
  76     @Override
  77     public void addAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
  78         final SwitchConnectionDistinguisher connectionDistinguisher = new SwitchConnectionCookieOFImpl(connectionContext.getFeatures().getAuxiliaryId());
  79         auxiliaryConnectionContexts.put(connectionDistinguisher, connectionContext);
  80     }
  81
  82     @Override
  83     public void removeAuxiliaryConenctionContext(final ConnectionContext connectionContext) {
  84         // TODO Auto-generated method stub
  85
  86     }
  87
  88     @Override
  89     public DeviceState getDeviceState() {
  90         return deviceState;
  91     }
  92
  93     @Override
  94     public ReadTransaction getReadTransaction() {
  95         return dataBroker.newReadOnlyTransaction();
  96     }
  97
  98     @Override
  99     public WriteTransaction getWriteTransaction() {
 100         // FIXME : we wana to have only one WriteTransaction exposed in one time
 101         // so thing about blocking notification mechanism for wait to new transaction
 102         return txChainFactory.newWriteOnlyTransaction();
 103     }
 104
 105     @Override
 106     public TableFeatures getCapabilities() {
 107         // TODO Auto-generated method stub
 108         return null;
 109     }
 110
 111     @Override
 112     public ConnectionContext getPrimaryConnectionContext() {
 113         return primaryConnectionContext;
 114     }
 115
 116     @Override
 117     public ConnectionContext getAuxiliaryConnectiobContexts(final BigInteger cookie) {
 118         return auxiliaryConnectionContexts.get(new SwitchConnectionCookieOFImpl(cookie.longValue()));
 119     }
 120
 121     @Override
 122     public Xid getNextXid() {
 123         return xidGenerator.generate();
 124     }
 125
 126     @Override
 127     public <T extends DataObject> Future<RpcResult<T>> sendRequest(final Xid xid) {
 128         return null;
 129     }
 130
 131     @Override
 132     public Map<Xid, RequestFutureContext> getRequests() {
 133         // TODO Auto-generated method stub
 134         return requests;
 135     }
 136
 137     @Override
 138     public void hookRequestCtx(final Xid xid, final RequestFutureContext requestFutureContext) {
 139         // TODO Auto-generated method stub
 140         requests.put(xid, requestFutureContext);
 141     }
 142
 143     @Override
 144     public void processReply(final Xid xid, final OfHeader ofHeader) {
 145         // TODO Auto-generated method stub
 146         final SettableFuture replyFuture = getRequests().get(xid).getFuture();
 147         replyFuture.set(ofHeader);
 148     }
 149
 150     @Override
 151     public void onTransactionChainFailed(final TransactionChain<?, ?> chain,
 152             final AsyncTransaction<?, ?> transaction, final Throwable cause) {
 153         txChainFactory.close();
 154         txChainFactory = dataBroker.createTransactionChain(DeviceContextImpl.this);
 155     }
 156
 157     @Override
 158     public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
 159         // NOOP - only yet, here is probably place for notification to get new WriteTransaction
 160     }
 161
 162 }