openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/CommonService.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.Futures;
  11 import java.math.BigInteger;
  12 import java.util.concurrent.Future;
  13 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  14 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FeaturesReply;
  18 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  19 import org.opendaylight.yangtools.yang.common.RpcResult;
  20 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  21 import org.slf4j.Logger;
  22
  23 public class CommonService {
  24     private static final Logger LOG = org.slf4j.LoggerFactory.getLogger(CommonService.class);
  25     private static final long WAIT_TIME = 2000;
  26     protected final static Future<RpcResult<Void>> ERROR_RPC_RESULT = Futures.immediateFuture(RpcResultBuilder
  27             .<Void> failed().withError(ErrorType.APPLICATION, "", "Request quota exceeded.").build());
  28     protected static final BigInteger PRIMARY_CONNECTION = new BigInteger("0");
  29
  30     // protected OFRpcTaskContext rpcTaskContext;
  31     protected short version;
  32     protected BigInteger datapathId;
  33     protected RpcContext rpcContext;
  34     protected DeviceContext deviceContext;
  35     private ConnectionAdapter primaryConnectionAdapter;
  36
  37     public CommonService() {
  38     }
  39
  40     public CommonService(final RpcContext rpcContext) {
  41         this.rpcContext = rpcContext;
  42
  43         this.deviceContext = rpcContext.getDeviceContext();
  44         final FeaturesReply features = this.deviceContext.getPrimaryConnectionContext().getFeatures();
  45         this.datapathId = features.getDatapathId();
  46         this.version = features.getVersion();
  47         this.primaryConnectionAdapter = deviceContext.getPrimaryConnectionContext().getConnectionAdapter();
  48     }
  49
  50     protected long provideWaitTime() {
  51         return WAIT_TIME;
  52     }
  53
  54     protected ConnectionAdapter provideConnectionAdapter(final BigInteger connectionID) {
  55         if (connectionID == null) {
  56             return primaryConnectionAdapter;
  57         }
  58         if (connectionID.equals(PRIMARY_CONNECTION)) {
  59             return primaryConnectionAdapter;
  60         }
  61
  62         // TODO uncomment when getAuxiali.... will be merged to APIs
  63         // final ConnectionContext auxiliaryConnectionContext =
  64         // deviceContext.getAuxiliaryConnectionContext(connectionID);
  65         final ConnectionContext auxiliaryConnectionContext = null;
  66         if (auxiliaryConnectionContext != null) {
  67             return auxiliaryConnectionContext.getConnectionAdapter();
  68         }
  69
  70         return primaryConnectionAdapter;
  71     }
  72
  73 }