opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/RemoteRpcImplementation.java

   1 package org.opendaylight.controller.remote.rpc;
   2
   3 import akka.actor.ActorRef;
   4 import com.google.common.util.concurrent.Futures;
   5 import com.google.common.util.concurrent.ListenableFuture;
   6 import org.opendaylight.controller.remote.rpc.messages.ErrorResponse;
   7 import org.opendaylight.controller.remote.rpc.messages.InvokeRoutedRpc;
   8 import org.opendaylight.controller.remote.rpc.messages.InvokeRpc;
   9 import org.opendaylight.controller.remote.rpc.messages.RpcResponse;
  10 import org.opendaylight.controller.remote.rpc.utils.ActorUtil;
  11 import org.opendaylight.controller.remote.rpc.utils.XmlUtils;
  12 import org.opendaylight.controller.sal.core.api.RoutedRpcDefaultImplementation;
  13 import org.opendaylight.controller.sal.core.api.RpcImplementation;
  14 import org.opendaylight.yangtools.yang.common.QName;
  15 import org.opendaylight.yangtools.yang.common.RpcResult;
  16 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  17 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import java.util.Collections;
  24 import java.util.Set;
  25
  26 public class RemoteRpcImplementation implements RpcImplementation,
  27     RoutedRpcDefaultImplementation {
  28   private static final Logger LOG = LoggerFactory.getLogger(RemoteRpcImplementation.class);
  29   private ActorRef rpcBroker;
  30   private SchemaContext schemaContext;
  31
  32   public RemoteRpcImplementation(ActorRef rpcBroker, SchemaContext schemaContext) {
  33     this.rpcBroker = rpcBroker;
  34     this.schemaContext = schemaContext;
  35   }
  36
  37   @Override
  38   public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(QName rpc, YangInstanceIdentifier identifier, CompositeNode input) {
  39     InvokeRoutedRpc rpcMsg = new InvokeRoutedRpc(rpc, identifier, input);
  40
  41     return executeMsg(rpcMsg);
  42   }
  43
  44   @Override
  45   public Set<QName> getSupportedRpcs() {
  46     // TODO : check if we need to get this from routing registry
  47     return Collections.emptySet();
  48   }
  49
  50   @Override
  51   public ListenableFuture<RpcResult<CompositeNode>> invokeRpc(QName rpc, CompositeNode input) {
  52     InvokeRpc rpcMsg = new InvokeRpc(rpc, input);
  53     return executeMsg(rpcMsg);
  54   }
  55
  56   private ListenableFuture<RpcResult<CompositeNode>> executeMsg(Object rpcMsg) {
  57     ListenableFuture<RpcResult<CompositeNode>> listenableFuture = null;
  58
  59     try {
  60       Object response = ActorUtil.executeLocalOperation(rpcBroker, rpcMsg, ActorUtil.ASK_DURATION, ActorUtil.AWAIT_DURATION);
  61       if(response instanceof RpcResponse) {
  62
  63         RpcResponse rpcResponse = (RpcResponse) response;
  64         CompositeNode result = XmlUtils.xmlToCompositeNode(rpcResponse.getResultCompositeNode());
  65         listenableFuture = Futures.immediateFuture(RpcResultBuilder.success(result).build());
  66
  67       } else if(response instanceof ErrorResponse) {
  68
  69         ErrorResponse errorResponse = (ErrorResponse) response;
  70         Exception e = errorResponse.getException();
  71         final RpcResultBuilder<CompositeNode> failed = RpcResultBuilder.failed();
  72         failed.withError(null, null, e.getMessage(), null, null, e.getCause());
  73         listenableFuture = Futures.immediateFuture(failed.build());
  74
  75       }
  76     } catch (Exception e) {
  77       LOG.error("Error occurred while invoking RPC actor {}", e.toString());
  78
  79       final RpcResultBuilder<CompositeNode> failed = RpcResultBuilder.failed();
  80       failed.withError(null, null, e.getMessage(), null, null, e.getCause());
  81       listenableFuture = Futures.immediateFuture(failed.build());
  82     }
  83
  84     return listenableFuture;
  85   }
  86 }