ONOS-3322 Sketch of Remote Service
Change-Id: I9c16b56b8d02d7f3995eafb1bb96211089774ca7
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContext.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContext.java
new file mode 100644
index 0000000..09c507d
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContext.java
@@ -0,0 +1,40 @@
+/*
+ * 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;
+
+import com.google.common.annotations.Beta;
+
+// Implementation is expected to be a handler for RPC channel
+// and shim-layer to convert Java Service interface calls to/from RPC call
+/**
+ * Context for Remote service.
+ */
+@Beta
+public interface RemoteServiceContext {
+
+ // we may need a method to check connection state?
+
+ /**
+ * Returns implementation of the specified service class.
+ *
+ * @param serviceClass service class
+ * @param <T> type of service
+ * @return implementation class
+ * @throws UnsupportedOperationException if this context does not support it.
+ */
+ <T> T get(Class<T> serviceClass);
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProvider.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProvider.java
new file mode 100644
index 0000000..47bbfbc
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProvider.java
@@ -0,0 +1,38 @@
+/*
+ * 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;
+
+import java.net.URI;
+
+import org.onosproject.net.provider.Provider;
+
+import com.google.common.annotations.Beta;
+
+//Factory to create RemoteServiceContext
+/**
+ * Abstraction of a remote service implementation provider.
+ */
+@Beta
+public interface RemoteServiceContextProvider extends Provider {
+
+ /**
+ * Returns {@link RemoteServiceContext} for given URI.
+ *
+ * @param uri URI for remote end point.
+ * @return {@link RemoteServiceContext}
+ */
+ RemoteServiceContext get(URI uri);
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProviderService.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProviderService.java
new file mode 100644
index 0000000..42b976c
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceContextProviderService.java
@@ -0,0 +1,28 @@
+/*
+ * 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;
+
+import org.onosproject.net.provider.ProviderService;
+
+import com.google.common.annotations.Beta;
+
+// Not completely sure if we will make use of this at the moment
+// added to follow existing {@link ProviderRegistry} pattern
+@Beta
+public interface RemoteServiceContextProviderService
+ extends ProviderService<RemoteServiceContextProvider> {
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceDirectory.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceDirectory.java
new file mode 100644
index 0000000..0d2bbc7
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceDirectory.java
@@ -0,0 +1,40 @@
+/*
+ * 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;
+
+import java.net.URI;
+
+import com.google.common.annotations.Beta;
+
+// This is actually the RPC Service, where consumers get
+// RemoteSericeContext (~= RPC Session) for given URI
+// expected to be implemented by some Manager class on Lower-side ONOS
+/**
+ * Service for retrieving RPC session handler ({@link RemoteServiceContext}).
+ */
+@Beta
+public interface RemoteServiceDirectory {
+
+ /**
+ * Returns remote service context.
+ *
+ * @param uri URI representing remote end point. e.g., (grpc://hostname:port)
+ * @return remote service context
+ * @throws UnsupportedOperationException if URI scheme was not supported.
+ */
+ RemoteServiceContext get(URI uri);
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceProviderRegistry.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceProviderRegistry.java
new file mode 100644
index 0000000..3b3c389
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/RemoteServiceProviderRegistry.java
@@ -0,0 +1,30 @@
+/*
+ * 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;
+
+import org.onosproject.net.provider.ProviderRegistry;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * Abstraction of a remote service provider registry.
+ */
+@Beta
+public interface RemoteServiceProviderRegistry
+ extends ProviderRegistry<RemoteServiceContextProvider,
+ RemoteServiceContextProviderService> {
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/rpc/package-info.java b/incubator/api/src/main/java/org/onosproject/incubator/rpc/package-info.java
new file mode 100644
index 0000000..4ec56ae
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/rpc/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Incubating inter-cluster RPC APIs.
+ */
+package org.onosproject.incubator.rpc;
diff --git a/incubator/pom.xml b/incubator/pom.xml
index c94243d..5222fe9 100644
--- a/incubator/pom.xml
+++ b/incubator/pom.xml
@@ -35,6 +35,7 @@
<module>api</module>
<module>net</module>
<module>store</module>
+ <module>rpc</module>
</modules>
<dependencies>
diff --git a/incubator/rpc/pom.xml b/incubator/rpc/pom.xml
new file mode 100644
index 0000000..8619f92
--- /dev/null
+++ b/incubator/rpc/pom.xml
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ 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.
+ -->
+<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">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <artifactId>onos-incubator</artifactId>
+ <groupId>org.onosproject</groupId>
+ <version>1.4.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>onos-incubator-rpc</artifactId>
+ <packaging>bundle</packaging>
+
+ <description>ONOS inter-cluster RPC service</description>
+ <url>http://onosproject.org</url>
+
+ <properties>
+ <onos.app.name>org.onosproject.incubator.rpc</onos.app.name>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onlab-osgi</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <scope>test</scope>
+ <classifier>tests</classifier>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-incubator-api</artifactId>
+ </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-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ </configuration>
+ </plugin>
+ <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>
+ <supportedProjectTypes>
+ <supportedProjectType>bundle</supportedProjectType>
+ <supportedProjectType>war</supportedProjectType>
+ </supportedProjectTypes>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>cfg</id>
+ <phase>generate-resources</phase>
+ <goals>
+ <goal>cfg</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>swagger</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>swagger</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>app</id>
+ <phase>package</phase>
+ <goals>
+ <goal>app</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/AbstractProviderRegistry.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/AbstractProviderRegistry.java
new file mode 100644
index 0000000..2a8dda3
--- /dev/null
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/AbstractProviderRegistry.java
@@ -0,0 +1,73 @@
+/*
+ * 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.impl;
+
+import java.util.Map;
+import java.util.Set;
+
+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 com.google.common.annotations.Beta;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
+
+// Probably should change name or add missing feature (provider from scheme) to
+// org.onosproject.net.provider.AbstractProviderRegistry<P, S>
+@Beta
+abstract class AbstractProviderRegistry
+ implements RemoteServiceProviderRegistry {
+
+
+ private final Map<ProviderId, RemoteServiceContextProvider> pidToProvider = Maps.newConcurrentMap();
+ private final Map<String, RemoteServiceContextProvider> schemeToProvider = Maps.newConcurrentMap();
+
+ public AbstractProviderRegistry() {
+ super();
+ }
+
+ protected abstract RemoteServiceContextProviderService createProviderService(RemoteServiceContextProvider provider);
+
+ @Override
+ public synchronized RemoteServiceContextProviderService register(RemoteServiceContextProvider provider) {
+ // TODO check if it already exists
+ pidToProvider.put(provider.id(), provider);
+ schemeToProvider.put(provider.id().scheme(), provider);
+ return createProviderService(provider);
+ }
+
+ @Override
+ public synchronized void unregister(RemoteServiceContextProvider provider) {
+ pidToProvider.remove(provider.id(), provider);
+ schemeToProvider.remove(provider.id().scheme(), provider);
+ }
+
+ @Override
+ public Set<ProviderId> getProviders() {
+ return ImmutableSet.copyOf(pidToProvider.keySet());
+ }
+
+ protected RemoteServiceContextProvider getProvider(ProviderId pid) {
+ return pidToProvider.get(pid);
+ }
+
+ protected RemoteServiceContextProvider getProvider(String scheme) {
+ return schemeToProvider.get(scheme);
+ }
+
+}
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java
new file mode 100644
index 0000000..d38248a
--- /dev/null
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/LocalRemoteServiceProvider.java
@@ -0,0 +1,124 @@
+/*
+ * 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.impl;
+
+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.onlab.osgi.DefaultServiceDirectory;
+import org.onlab.osgi.ServiceDirectory;
+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 com.google.common.annotations.Beta;
+
+/**
+ * Sample implementation of RemoteServiceContextProvider.
+ *
+ * Scheme: "local", calling corresponding local service on request.
+ * Only expected for testing until real RPC implementation is ready.
+ *
+ * Note: This is expected to be removed or separated out as separate bundle
+ * once other RPC implementaion became available.
+ */
+@Beta
+@Component(immediate = true)
+public class LocalRemoteServiceProvider implements RemoteServiceContextProvider {
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ private RemoteServiceContext theOne = new LocalServiceContext();
+
+ private static final ProviderId PID = new ProviderId("local", "org.onosproject.rpc.provider.local");
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected RemoteServiceProviderRegistry rpcRegistry;
+
+ private final Map<Class<? extends Object>, Object> services = new ConcurrentHashMap<>();
+
+ private RemoteServiceContextProviderService providerService;
+
+ @Activate
+ protected void activate() {
+
+ services.put(SomeOtherService.class, new SomeOtherServiceImpl());
+
+ providerService = rpcRegistry.register(this);
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ rpcRegistry.unregister(this);
+ log.info("Stopped");
+ }
+
+ @Override
+ public ProviderId id() {
+ return PID;
+ }
+
+ @Override
+ public RemoteServiceContext get(URI uri) {
+ checkArgument(Objects.equals(uri.getScheme(), "local"));
+ return theOne;
+ }
+
+ private final class LocalServiceContext implements RemoteServiceContext {
+
+ private final ServiceDirectory directory = new DefaultServiceDirectory();
+
+ @Override
+ public <T> T get(Class<T> serviceClass) {
+ @SuppressWarnings("unchecked")
+ T service = (T) services.get(serviceClass);
+ if (service != null) {
+ return service;
+ }
+ // look up OSGi services on this host.
+ // provided to unblock development depending on RPC.
+ return directory.get(serviceClass);
+ }
+ }
+
+ // Service provided by RPC can be non-OSGi Service
+ public static interface SomeOtherService {
+ String hello();
+ }
+
+ public static class SomeOtherServiceImpl implements SomeOtherService {
+
+ @Override
+ public String hello() {
+ return "Goodbye";
+ }
+ }
+
+}
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java
new file mode 100644
index 0000000..3b85173
--- /dev/null
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/RemoteServiceManager.java
@@ -0,0 +1,80 @@
+/*
+ * 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.impl;
+
+import java.net.URI;
+
+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.Service;
+import org.onosproject.incubator.rpc.RemoteServiceContext;
+import org.onosproject.incubator.rpc.RemoteServiceDirectory;
+import org.onosproject.incubator.rpc.RemoteServiceContextProvider;
+import org.onosproject.incubator.rpc.RemoteServiceContextProviderService;
+import org.onosproject.incubator.rpc.RemoteServiceProviderRegistry;
+import org.onosproject.net.provider.AbstractProviderService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * Provides RemoteService related APIs.
+ */
+@Beta
+@Component(immediate = true)
+@Service
+public class RemoteServiceManager extends AbstractProviderRegistry
+ implements RemoteServiceDirectory, RemoteServiceProviderRegistry {
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ @Activate
+ protected void activate() {
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ log.info("Stopped");
+ }
+
+ @Override
+ public RemoteServiceContext get(URI uri) {
+ RemoteServiceContextProvider factory = getProvider(uri.getScheme());
+ if (factory != null) {
+ return factory.get(uri);
+ }
+ throw new UnsupportedOperationException(uri.getScheme() + " not supported");
+ }
+
+ private final class InternalRemoteServiceContextProviderService
+ extends AbstractProviderService<RemoteServiceContextProvider>
+ implements RemoteServiceContextProviderService {
+
+ public InternalRemoteServiceContextProviderService(RemoteServiceContextProvider provider) {
+ super(provider);
+ }
+ }
+
+ // make this abstract method if slicing out
+ @Override
+ protected RemoteServiceContextProviderService createProviderService(RemoteServiceContextProvider provider) {
+ return new InternalRemoteServiceContextProviderService(provider);
+ }
+
+}
diff --git a/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/package-info.java b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/package-info.java
new file mode 100644
index 0000000..c77b4be
--- /dev/null
+++ b/incubator/rpc/src/main/java/org/onosproject/incubator/rpc/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Implementation of the inter-cluster RPC service.
+ */
+package org.onosproject.incubator.rpc.impl;
diff --git a/incubator/rpc/src/test/java/org/onosproject/incubator/rpc/impl/RemoteServiceManagerTest.java b/incubator/rpc/src/test/java/org/onosproject/incubator/rpc/impl/RemoteServiceManagerTest.java
new file mode 100644
index 0000000..81bf568
--- /dev/null
+++ b/incubator/rpc/src/test/java/org/onosproject/incubator/rpc/impl/RemoteServiceManagerTest.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2014 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.impl;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Set of tests of the ONOS application component.
+ */
+public class RemoteServiceManagerTest {
+
+ private RemoteServiceManager component;
+
+ @Before
+ public void setUp() {
+ component = new RemoteServiceManager();
+ component.activate();
+
+ }
+
+ @After
+ public void tearDown() {
+ component.deactivate();
+ }
+
+ @Test
+ public void basics() {
+
+ }
+
+}