| /* |
| * 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.vtn.util; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.collect.Sets; |
| |
| /** |
| * VtnData utility class. |
| */ |
| public final class VtnData { |
| |
| private static final Logger log = LoggerFactory.getLogger(VtnData.class); |
| private static final String SWITCH_CHANNEL_ID = "channelId"; |
| private static final String PORT_HEAD = "vxlan"; |
| |
| /** |
| * Constructs a VtnData object. Utility classes should not have a public or |
| * default constructor, otherwise IDE will compile unsuccessfully. This |
| * class should not be instantiated. |
| */ |
| private VtnData() { |
| } |
| |
| /** |
| * Get the ControllerIp from the device . |
| * |
| * @param device Device |
| * @return Controller Ip |
| */ |
| public static String getControllerIpOfSwitch(Device device) { |
| String url = device.annotations().value(SWITCH_CHANNEL_ID); |
| return url.substring(0, url.lastIndexOf(":")); |
| } |
| |
| /** |
| * Get the ControllerId from the device . |
| * |
| * @param device Device |
| * @param devices Devices |
| * @return Controller Id |
| */ |
| public static DeviceId getControllerId(Device device, |
| Iterable<Device> devices) { |
| for (Device d : devices) { |
| if (d.type() == Device.Type.CONTROLLER && d.id().toString() |
| .contains(getControllerIpOfSwitch(device))) { |
| return d.id(); |
| } |
| } |
| log.info("Can not find controller for device : {}", device.id()); |
| return null; |
| } |
| |
| /** |
| * Get local tunnel ports. |
| * |
| * @param ports Iterable of Port |
| * @return Collection of PortNumber |
| */ |
| public static Collection<PortNumber> getLocalTunnelPorts(Iterable<Port> ports) { |
| Collection<PortNumber> localTunnelPorts = new ArrayList<>(); |
| Sets.newHashSet(ports).stream() |
| .filter(p -> !p.number().equals(PortNumber.LOCAL)) |
| .forEach(p -> { |
| if (p.annotations().value(AnnotationKeys.PORT_NAME) |
| .startsWith(PORT_HEAD)) { |
| localTunnelPorts.add(p.number()); |
| } |
| }); |
| return localTunnelPorts; |
| } |
| |
| } |