| /* |
| * Copyright 2017-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. |
| */ |
| package org.onosproject.openstacknetworking.impl; |
| |
| import com.google.common.base.Strings; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.openstacknetworking.api.InstancePort; |
| |
| import java.util.Objects; |
| import java.util.Optional; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Implementation of instance port based on host subsystem. |
| * Basically, HostBasedInstancePort is just a wrapper of a host, which helps |
| * mapping between OpenStack port and the OVS port and retrieving information |
| * such as IP address, location, and so on. |
| */ |
| public final class HostBasedInstancePort implements InstancePort { |
| |
| static final String ANNOTATION_NETWORK_ID = "networkId"; |
| static final String ANNOTATION_PORT_ID = "portId"; |
| static final String ANNOTATION_CREATE_TIME = "createTime"; |
| |
| private final Host host; |
| |
| /** |
| * Default constructor. |
| * |
| * @param instance host object of this instance |
| */ |
| private HostBasedInstancePort(Host instance) { |
| this.host = instance; |
| } |
| |
| /** |
| * Returns new instance. |
| * |
| * @param host host object of this instance |
| * @return instance |
| */ |
| public static HostBasedInstancePort of(Host host) { |
| checkNotNull(host); |
| checkArgument(!Strings.isNullOrEmpty(host.annotations().value(ANNOTATION_NETWORK_ID))); |
| checkArgument(!Strings.isNullOrEmpty(host.annotations().value(ANNOTATION_PORT_ID))); |
| checkArgument(!Strings.isNullOrEmpty(host.annotations().value(ANNOTATION_CREATE_TIME))); |
| |
| return new HostBasedInstancePort(host); |
| } |
| |
| @Override |
| public String networkId() { |
| return host.annotations().value(ANNOTATION_NETWORK_ID); |
| } |
| |
| @Override |
| public String portId() { |
| return host.annotations().value(ANNOTATION_PORT_ID); |
| } |
| |
| @Override |
| public MacAddress macAddress() { |
| return host.mac(); |
| } |
| |
| @Override |
| public IpAddress ipAddress() { |
| Optional<IpAddress> ipAddr = host.ipAddresses().stream().findFirst(); |
| return ipAddr.orElse(null); |
| } |
| |
| @Override |
| public DeviceId deviceId() { |
| return host.location().deviceId(); |
| } |
| |
| @Override |
| public PortNumber portNumber() { |
| return host.location().port(); |
| } |
| |
| @Override |
| public String toString() { |
| return host.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof HostBasedInstancePort) { |
| HostBasedInstancePort that = (HostBasedInstancePort) obj; |
| if (Objects.equals(this.portId(), that.portId())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(portId()); |
| } |
| } |