diff options
Diffstat (limited to 'framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceProvider.java')
-rw-r--r-- | framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceProvider.java | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceProvider.java b/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceProvider.java deleted file mode 100644 index 74962187..00000000 --- a/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceProvider.java +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.onosproject.incubator.rpc.grpc; - -import static com.google.common.base.Preconditions.checkArgument; - -import java.net.URI; -import java.util.Map; -import java.util.Objects; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.felix.scr.annotations.Activate; -import org.apache.felix.scr.annotations.Component; -import org.apache.felix.scr.annotations.Deactivate; -import org.apache.felix.scr.annotations.Reference; -import org.apache.felix.scr.annotations.ReferenceCardinality; -import org.onosproject.incubator.rpc.RemoteServiceContext; -import org.onosproject.incubator.rpc.RemoteServiceContextProvider; -import org.onosproject.incubator.rpc.RemoteServiceContextProviderService; -import org.onosproject.incubator.rpc.RemoteServiceProviderRegistry; -import org.onosproject.net.provider.ProviderId; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import io.grpc.ManagedChannel; -import io.grpc.netty.NegotiationType; -import io.grpc.netty.NettyChannelBuilder; - - -// gRPC Client side -/** - * RemoteServiceContextProvider based on gRPC. - */ -@Component(immediate = true) -public class GrpcRemoteServiceProvider implements RemoteServiceContextProvider { - - public static final String GRPC_SCHEME = "grpc"; - - public static final String RPC_PROVIDER_NAME = "org.onosproject.rpc.provider.grpc"; - - private static final ProviderId PID = new ProviderId(GRPC_SCHEME, RPC_PROVIDER_NAME); - - private final Logger log = LoggerFactory.getLogger(getClass()); - - @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) - protected RemoteServiceProviderRegistry rpcRegistry; - - private Map<URI, ManagedChannel> channels = new ConcurrentHashMap<>(); - - private RemoteServiceContextProviderService providerService; - - - @Activate - protected void activate() { - providerService = rpcRegistry.register(this); - - // FIXME remove me. test code to see if gRPC loads in karaf - //getChannel(URI.create("grpc://localhost:8080")); - - log.info("Started"); - } - - @Deactivate - protected void deactivate() { - rpcRegistry.unregister(this); - - // shutdown all channels - channels.values().stream() - .forEach(ManagedChannel::shutdown); - // Should we wait for shutdown? How? - channels.clear(); - log.info("Stopped"); - } - - @Override - public ProviderId id() { - return PID; - } - - @Override - public RemoteServiceContext get(URI uri) { - // Create gRPC client - return new GrpcRemoteServiceContext(getChannel(uri)); - } - - private ManagedChannel getChannel(URI uri) { - checkArgument(Objects.equals(GRPC_SCHEME, uri.getScheme()), - "Invalid URI scheme: %s", uri.getScheme()); - - return channels.compute(uri, (u, ch) -> { - if (ch != null && !ch.isShutdown()) { - return ch; - } else { - return createChannel(u); - } - }); - } - - private ManagedChannel createChannel(URI uri) { - log.debug("Creating channel for {}", uri); - return NettyChannelBuilder.forAddress(uri.getHost(), uri.getPort()) - .negotiationType(NegotiationType.PLAINTEXT) - .build(); - } - -} |