Add gRPC API for multicast service.

Change-Id: I003b982145c788e74c39f525122d58f3204b1c0e
diff --git a/incubator/grpc/pom.xml b/incubator/grpc/pom.xml
new file mode 100644
index 0000000..7b6fed0
--- /dev/null
+++ b/incubator/grpc/pom.xml
@@ -0,0 +1,132 @@
+<?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>