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Jonathan Hart
Committed by Gerrit Code Review
097c8f5b 1 parent 371508ab

Add gRPC API for multicast service. 

Change-Id: I003b982145c788e74c39f525122d58f3204b1c0e
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Showing 11 changed files with 737 additions and 0 deletions
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
~ Copyright 2016-present 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.
-->
<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
<feature name="${project.artifactId}" version="${project.version}"
description="${project.description}">
<feature version="${project.version}">grpc</feature>
<bundle>mvn:com.google.protobuf/protobuf-java/3.0.0</bundle>
<bundle>mvn:${project.groupId}/${project.artifactId}/${project.version}</bundle>
</feature>
<feature name="grpc-netty" version="${project.version}"
description="gRPC Netty dependencies">
<bundle>mvn:io.netty/netty-common/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-buffer/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-transport/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-handler/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-codec/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-codec-http/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-codec-http2/${grpc.netty.version}</bundle>
<bundle>mvn:io.netty/netty-resolver/${grpc.netty.version}</bundle>
</feature>
<feature name="grpc" version="${project.version}" description="gRPC dependencies">
<feature version="${project.version}">grpc-netty</feature>
<bundle>wrap:mvn:com.google.auth/google-auth-library-credentials/${google.auth.version}$Bundle-SymbolicName=com.google.auth.google-auth-library-credentials&amp;Bundle-Version=${google.auth.version}</bundle>
<bundle>wrap:mvn:com.google.auth/google-auth-library-oauth2-http/${google.auth.version}$Bundle-SymbolicName=com.google.auth.google-auth-library-oauth2-http&amp;Bundle-Version=${google.auth.version}</bundle>
<!-- Export for io.grpc.internal required for DnsNameResolverProvider -->
<bundle>wrap:mvn:io.grpc/grpc-core/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-core&amp;Bundle-Version=${grpc.package.version}&amp;Export-Package=*;version=${grpc.package.version},io.grpc.internal;version=${grpc.package.version}&amp;</bundle>
<bundle>wrap:mvn:io.grpc/grpc-protobuf-lite/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-protobuf-lite&amp;Bundle-Version=${grpc.package.version}&amp;</bundle>
<bundle>wrap:mvn:io.grpc/grpc-protobuf/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-protobuf&amp;Bundle-Version=${grpc.package.version}&amp;</bundle>
<bundle>wrap:mvn:io.grpc/grpc-stub/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-stub&amp;Bundle-Version=${grpc.package.version}&amp;</bundle>
<bundle>wrap:mvn:io.grpc/grpc-netty/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-netty&amp;Bundle-Version=${grpc.package.version}&amp;Import-Package=io.netty.*;version=${grpc.netty.package.version},*</bundle>
<bundle>wrap:mvn:io.grpc/grpc-auth/${grpc.version}$Bundle-SymbolicName=io.grpc.grpc-auth&amp;Bundle-Version=${grpc.package.version}&amp;Import-Package=javax.net.ssl,*</bundle>
</feature>
</features>
<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Copyright 2016-present Open Networking Laboratory
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>onos-incubator</artifactId>
<groupId>org.onosproject</groupId>
<version>1.7.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>onos-incubator-grpc</artifactId>
<packaging>bundle</packaging>
<properties>
<onos.app.name>org.onosproject.incubator.grpc</onos.app.name>
<onos.app.title>gRPC dependency package</onos.app.title>
<protobuf.version>3.0.0</protobuf.version>
<grpc.version>1.0.0-pre2</grpc.version>
<grpc.package.version>1.0.0</grpc.package.version>
<grpc.netty.version>4.1.3.Final</grpc.netty.version>
<grpc.netty.package.version>4.1.3</grpc.netty.package.version>
<google.auth.version>0.4.0</google.auth.version>
</properties>
<!-- gRPC requires more recent version of netty -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-core</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-protobuf</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-stub</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-netty</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-auth</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-codec</artifactId>
<version>${grpc.netty.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-transport</artifactId>
<version>${grpc.netty.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-handler</artifactId>
<version>${grpc.netty.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-buffer</artifactId>
<version>${grpc.netty.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-common</artifactId>
<version>${grpc.netty.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-core</artifactId>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-protobuf</artifactId>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-stub</artifactId>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-netty</artifactId>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-auth</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.onosproject</groupId>
<artifactId>onos-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
......@@ -38,6 +38,9 @@
<module>protobuf</module>
<module>rpc</module>
<module>rpc-grpc</module>
<module>rpc-nb</module>
<module>protobuf-nb</module>
<module>grpc</module>
</modules>
<dependencies>
......
<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Copyright 2016-present 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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>onos-incubator</artifactId>
<groupId>org.onosproject</groupId>
<version>1.7.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>onos-incubator-protobuf-nb</artifactId>
<packaging>bundle</packaging>
<properties>
<protobuf.version>3.0.0</protobuf.version>
<grpc.version>1.0.0-pre2</grpc.version>
</properties>
<dependencies>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-core</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-protobuf</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-stub</artifactId>
<version>${grpc.version}</version>
</dependency>
</dependencies>
<build>
<extensions>
<extension>
<groupId>kr.motd.maven</groupId>
<artifactId>os-maven-plugin</artifactId>
<version>1.4.1.Final</version>
</extension>
</extensions>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.karaf.tooling</groupId>
<artifactId>karaf-maven-plugin</artifactId>
<version>3.0.5</version>
<extensions>true</extensions>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<!-- TODO This is included to suppress the generation of javadocs for
this package. There is a problem when we try to package the
auto-generated code's javadoc into a jar. -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<configuration>
<sourcepath>${basedir}/src/main/java/</sourcepath>
<excludePackageNames>org.onosproject.grpc.net.mcast</excludePackageNames>
</configuration>
</plugin>
<plugin>
<groupId>org.xolstice.maven.plugins</groupId>
<artifactId>protobuf-maven-plugin</artifactId>
<version>0.5.0</version>
<configuration>
<!-- The version of protoc must match protobuf-java. If you don't
depend on protobuf-java directly, you will be transitively depending on the
protobuf-java version that grpc depends on. -->
<protocArtifact>com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}</protocArtifact>
<pluginId>grpc-java</pluginId>
<pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>compile-custom</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>1.11</version>
<executions>
<execution>
<id>add-source</id>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sources>
<source>${project.build.directory}/generated-sources/protobuf/java</source>
<source>${project.build.directory}/generated-sources/protobuf/grpc-java</source>
</sources>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
syntax = "proto3";
option java_package = "org.onosproject.grpc.net.mcast";
package Multicast;
// TODO move model objects to common protobuf package
message ConnectPoint {
string deviceId = 1;
uint64 portNumber = 2;
}
enum MulticastRouteType {
PIM = 0;
IGMP = 1;
STATIC = 2;
}
enum MulticastOperationResult {
SUCCESS = 0;
FAIL = 1;
}
enum MulticastOperation {
ADD_ROUTE = 0;
ADD_SOURCE = 1;
ADD_SINK = 2;
REMOVE_ROUTE = 3;
REMOVE_SOURCE = 4;
REMOVE_SINK = 5;
}
message MulticastRoute {
fixed32 source = 1; // TODO assumes ipv4
fixed32 group = 2;
MulticastRouteType type = 3;
}
message MulticastReply {
MulticastOperationResult result = 1;
}
message MulticastRequest {
MulticastOperation operation = 1;
MulticastRoute route = 2;
ConnectPoint connectPoint = 3;
}
service MulticastRouteService {
rpc operation(stream MulticastRequest) returns (stream MulticastReply) {}
}
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
~ Copyright 2015-present Open Networking Laboratory
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
<feature name="${project.artifactId}" version="${project.version}"
description="${project.description}">
<feature>onos-api</feature>
<feature>onos-incubator-grpc</feature>
<bundle>mvn:${project.groupId}/onos-incubator-protobuf-nb/${project.version}</bundle>
<bundle>mvn:${project.groupId}/${project.artifactId}/${project.version}</bundle>
</feature>
</features>
<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Copyright 2016-present Open Networking Laboratory
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>onos-incubator</artifactId>
<groupId>org.onosproject</groupId>
<version>1.7.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>onos-incubator-rpc-nb</artifactId>
<packaging>bundle</packaging>
<description>ONOS northbound RPC based on gRPC</description>
<url>http://onosproject.org</url>
<properties>
<onos.app.name>org.onosproject.incubator.rpc-nb</onos.app.name>
<onos.app.title>ONOS gRPC Northbound API</onos.app.title>
<onos.app.requires>org.onosproject.incubator.grpc</onos.app.requires>
<grpc.version>1.0.0-pre2</grpc.version>
</properties>
<dependencies>
<dependency>
<groupId>org.onosproject</groupId>
<artifactId>onos-api</artifactId>
</dependency>
<dependency>
<groupId>org.onosproject</groupId>
<artifactId>onos-incubator-api</artifactId>
</dependency>
<dependency>
<groupId>org.onosproject</groupId>
<artifactId>onlab-osgi</artifactId>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-core</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-protobuf</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-stub</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-netty</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-auth</artifactId>
<version>${grpc.version}</version>
</dependency>
<dependency>
<groupId>org.onosproject</groupId>
<artifactId>onos-incubator-protobuf-nb</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.felix</groupId>
<artifactId>org.apache.felix.scr.annotations</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-scr-plugin</artifactId>
<executions>
<execution>
<id>generate-scr-srcdescriptor</id>
<goals>
<goal>scr</goal>
</goals>
</execution>
</executions>
<configuration>
<!-- avoid searching into wrong source path -->
<scanClasses>true</scanClasses>
<supportedProjectTypes>
<supportedProjectType>bundle</supportedProjectType>
<supportedProjectType>war</supportedProjectType>
</supportedProjectTypes>
</configuration>
</plugin>
</plugins>
</build>
</project>
/*
* Copyright 2016-present 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.nb.impl;
import io.grpc.Server;
import io.grpc.netty.NettyServerBuilder;
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.nb.mcast.MulticastRouteGrpcService;
import org.onosproject.net.mcast.MulticastRouteService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
/**
* gRPC server for northbound APIs.
*/
@Component(immediate = true)
public class GrpcServer {
private final Logger log = LoggerFactory.getLogger(getClass());
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected MulticastRouteService multicastRouteService;
// TODO make configurable
private int port = 50051;
private Server server;
@Activate
public void activate() {
start();
log.info("Started");
}
@Deactivate
public void deactivate() {
stop();
log.info("Stopped");
}
private void start() {
try {
server = NettyServerBuilder.forPort(port)
.addService(new MulticastRouteGrpcService(multicastRouteService))
.build()
.start();
log.info("gRPC server started listening on " + port);
} catch (IOException e) {
log.error("Failed to start gRPC server", e);
}
}
private void stop() {
if (server != null) {
server.shutdown();
}
}
}
/*
* Copyright 2016-present 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.
*/
/**
* Northbound gPRC implementation.
*/
package org.onosproject.incubator.rpc.nb.impl;
/*
* Copyright 2016-present 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.nb.mcast;
import io.grpc.stub.StreamObserver;
import org.onlab.packet.IpAddress;
import org.onosproject.grpc.net.mcast.MulticastRouteServiceGrpc;
import org.onosproject.grpc.net.mcast.MulticastRouteServiceOuterClass;
import org.onosproject.net.mcast.McastRoute;
import org.onosproject.net.mcast.MulticastRouteService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.annotations.Beta;
/**
* Implementation of multicast gRPC service.
*/
@Beta
public class MulticastRouteGrpcService
extends MulticastRouteServiceGrpc.MulticastRouteServiceImplBase {
private final Logger log = LoggerFactory.getLogger(getClass());
private final MulticastRouteService multicastRouteService;
public MulticastRouteGrpcService(MulticastRouteService service) {
this.multicastRouteService = service;
}
@Override
public StreamObserver<MulticastRouteServiceOuterClass.MulticastRequest>
operation(StreamObserver<MulticastRouteServiceOuterClass.MulticastReply> responseObserver) {
return new MulticastServiceServerProxy(responseObserver);
}
private final class MulticastServiceServerProxy
implements StreamObserver<MulticastRouteServiceOuterClass.MulticastRequest> {
private final StreamObserver<MulticastRouteServiceOuterClass.MulticastReply> responseObserver;
public MulticastServiceServerProxy(
StreamObserver<MulticastRouteServiceOuterClass.MulticastReply> responseObserver) {
this.responseObserver = responseObserver;
}
@Override
public void onNext(MulticastRouteServiceOuterClass.MulticastRequest value) {
MulticastRouteServiceOuterClass.MulticastRoute route = value.getRoute();
switch (value.getOperation()) {
case ADD_ROUTE:
multicastRouteService.add(
new McastRoute(IpAddress.valueOf(route.getSource()),
IpAddress.valueOf(route.getGroup()),
McastRoute.Type.STATIC));
break;
case ADD_SOURCE:
break;
case ADD_SINK:
break;
case REMOVE_ROUTE:
break;
case REMOVE_SOURCE:
break;
case REMOVE_SINK:
break;
case UNRECOGNIZED:
default:
break;
}
responseObserver.onNext(MulticastRouteServiceOuterClass.MulticastReply.newBuilder().build());
}
@Override
public void onError(Throwable t) {
log.warn("Error receiving multicast route", t);
}
@Override
public void onCompleted() {
// When the client closes their stream, we'll close ours too
responseObserver.onCompleted();
}
}
}
/*
* Copyright 2016-present 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.
*/
/**
* Multicast gRPC implementation.
*/
package org.onosproject.incubator.rpc.nb.mcast;