ONOS-4076 - Virtual Network CLI commands and bug fixes in
DistributedVirtualNetworkStore.

Change-Id: I7bf67527bccb598385f15ad70091e3f8458d35d3
diff --git a/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualPortCreateCommand.java b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualPortCreateCommand.java
new file mode 100644
index 0000000..b09c30b
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualPortCreateCommand.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2016 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.cli.net.vnet;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualDevice;
+import org.onosproject.incubator.net.virtual.VirtualNetworkAdminService;
+import org.onosproject.incubator.net.virtual.VirtualNetworkService;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.DefaultPort;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Creates a new virtual port.
+ */
+@Command(scope = "onos", name = "vnet-create-port",
+        description = "Creates a new virtual port in a network.")
+public class VirtualPortCreateCommand extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "networkId", description = "Network ID",
+            required = true, multiValued = false)
+    Long networkId = null;
+
+    @Argument(index = 1, name = "deviceId", description = "Virtual Device ID",
+            required = true, multiValued = false)
+    String deviceId = null;
+
+    @Argument(index = 2, name = "portNum", description = "Virtual device port number",
+            required = true, multiValued = false)
+    Integer portNum = null;
+
+    @Argument(index = 3, name = "physDeviceId", description = "Physical Device ID",
+            required = true, multiValued = false)
+    String physDeviceId = null;
+
+    @Argument(index = 4, name = "physPortNum", description = "Physical device port number",
+            required = true, multiValued = false)
+    Integer physPortNum = null;
+
+    @Override
+    protected void execute() {
+        VirtualNetworkAdminService service = get(VirtualNetworkAdminService.class);
+        DeviceService deviceService = get(DeviceService.class);
+        VirtualDevice virtualDevice = getVirtualDevice(DeviceId.deviceId(deviceId));
+        checkNotNull(virtualDevice, "The virtual device does not exist.");
+
+        DefaultAnnotations annotations = DefaultAnnotations.builder().build();
+        Device physDevice = new DefaultDevice(null, DeviceId.deviceId(physDeviceId),
+                                              null, null, null, null, null, null, annotations);
+        Port realizedBy = new DefaultPort(physDevice, PortNumber.portNumber(physPortNum), true);
+        service.createVirtualPort(NetworkId.networkId(networkId), DeviceId.deviceId(deviceId),
+                                  PortNumber.portNumber(portNum), realizedBy);
+        print("Virtual port successfully created.");
+    }
+
+    /**
+     * Returns the virtual device matching the device identifier.
+     *
+     * @param aDeviceId device identifier
+     * @return matching virtual device, or null.
+     */
+    private VirtualDevice getVirtualDevice(DeviceId aDeviceId) {
+        VirtualNetworkService service = get(VirtualNetworkService.class);
+
+        Set<VirtualDevice> virtualDevices = service.getVirtualDevices(NetworkId.networkId(networkId));
+
+        for (VirtualDevice virtualDevice : virtualDevices) {
+            if (virtualDevice.id().equals(aDeviceId)) {
+                return virtualDevice;
+            }
+        }
+        return null;
+    }
+}