1 files changed, 77 insertions, 0 deletions
diff --git a/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/DeviceProviderRegistryClientProxy.java b/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/DeviceProviderRegistryClientProxy.java
new file mode 100644
index 00000000..cad0fbb6
--- /dev/null
+++ b/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/DeviceProviderRegistryClientProxy.java
@@ -0,0 +1,77 @@
+/*
+ * 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 java.util.Map;
+
+import org.onosproject.net.device.DeviceProvider;
+import org.onosproject.net.device.DeviceProviderRegistry;
+import org.onosproject.net.device.DeviceProviderService;
+import org.onosproject.net.provider.AbstractProviderRegistry;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Maps;
+
+import io.grpc.Channel;
+import io.grpc.ManagedChannel;
+
+// gRPC Client side
+/**
+ * Proxy object to handle DeviceProviderRegistry calls.
+ *
+ * RPC wise, this will start/stop bidirectional streaming service sessions.
+ */
+final class DeviceProviderRegistryClientProxy
+        extends AbstractProviderRegistry<DeviceProvider, DeviceProviderService>
+        implements DeviceProviderRegistry {
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    private final Channel channel;
+
+    private final Map<DeviceProvider, DeviceProviderServiceClientProxy> pServices;
+
+    DeviceProviderRegistryClientProxy(ManagedChannel channel) {
+        this.channel = channel;
+        pServices = Maps.newIdentityHashMap();
+    }
+
+    @Override
+    protected synchronized DeviceProviderService createProviderService(DeviceProvider provider) {
+
+        // Create session
+        DeviceProviderServiceClientProxy pService = new DeviceProviderServiceClientProxy(provider, channel);
+        log.debug("Created DeviceProviderServiceClientProxy", pService);
+
+        DeviceProviderServiceClientProxy old = pServices.put(provider, pService);
+        if (old != null) {
+            // sanity check, can go away
+            log.warn("Duplicate registration detected for {}", provider.id());
+        }
+        return pService;
+    }
+
+    @Override
+    public synchronized void unregister(DeviceProvider provider) {
+        DeviceProviderServiceClientProxy pService = pServices.remove(provider);
+        log.debug("Unregistering DeviceProviderServiceClientProxy", pService);
+        super.unregister(provider);
+        if (pService != null) {
+            pService.shutdown();
+        }
+    }
+}