| /* |
| * 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.segmentrouting; |
| |
| import com.google.common.collect.Lists; |
| |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip4Prefix; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.PortNumber; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * This class is temporary class and used only for test. |
| * It will be replaced with "real" Network Config Manager. |
| * |
| * TODO: Knock off this wrapper and directly use DeviceConfiguration class |
| */ |
| |
| public class NetworkConfigHandler { |
| |
| private static Logger log = LoggerFactory.getLogger(NetworkConfigHandler.class); |
| private SegmentRoutingManager srManager; |
| private DeviceConfiguration deviceConfig; |
| |
| public NetworkConfigHandler(SegmentRoutingManager srManager, |
| DeviceConfiguration deviceConfig) { |
| this.srManager = srManager; |
| this.deviceConfig = deviceConfig; |
| } |
| |
| public List<Ip4Address> getGatewayIpAddress(DeviceId deviceId) { |
| return this.deviceConfig.getSubnetGatewayIps(deviceId); |
| } |
| |
| public IpPrefix getRouterIpAddress(DeviceId deviceId) { |
| return IpPrefix.valueOf(deviceConfig.getRouterIp(deviceId), 32); |
| } |
| |
| public MacAddress getRouterMacAddress(DeviceId deviceId) { |
| return deviceConfig.getDeviceMac(deviceId); |
| } |
| |
| public boolean inSameSubnet(DeviceId deviceId, Ip4Address destIp) { |
| |
| List<Ip4Prefix> subnets = getSubnetInfo(deviceId); |
| if (subnets == null) { |
| return false; |
| } |
| |
| return subnets.stream() |
| .anyMatch((subnet) -> subnet.contains(destIp)); |
| } |
| |
| public boolean inSameSubnet(Ip4Address address, int sid) { |
| DeviceId deviceId = deviceConfig.getDeviceId(sid); |
| if (deviceId == null) { |
| log.warn("Cannot find a device for SID {}", sid); |
| return false; |
| } |
| |
| return inSameSubnet(deviceId, address); |
| } |
| |
| public List<Ip4Prefix> getSubnetInfo(DeviceId deviceId) { |
| return deviceConfig.getSubnets(deviceId); |
| } |
| |
| public int getMplsId(DeviceId deviceId) { |
| return deviceConfig.getSegmentId(deviceId); |
| } |
| |
| public int getMplsId(MacAddress routerMac) { |
| return deviceConfig.getSegmentId(routerMac); |
| } |
| |
| public int getMplsId(Ip4Address routerIpAddress) { |
| return deviceConfig.getSegmentId(routerIpAddress); |
| } |
| |
| public boolean isEcmpNotSupportedInTransit(DeviceId deviceId) { |
| //TODO: temporarily changing to true to test with Dell |
| return true; |
| } |
| |
| public boolean isTransitRouter(DeviceId deviceId) { |
| return !(deviceConfig.isEdgeDevice(deviceId)); |
| } |
| |
| |
| public boolean isEdgeRouter(DeviceId deviceId) { |
| return deviceConfig.isEdgeDevice(deviceId); |
| } |
| |
| private List<PortNumber> getPortsToNeighbors(DeviceId deviceId, List<DeviceId> fwdSws) { |
| |
| List<PortNumber> portNumbers = Lists.newArrayList(); |
| |
| Set<Link> links = srManager.linkService.getDeviceEgressLinks(deviceId); |
| for (Link link: links) { |
| for (DeviceId swId: fwdSws) { |
| if (link.dst().deviceId().equals(swId)) { |
| portNumbers.add(link.src().port()); |
| break; |
| } |
| } |
| } |
| |
| return portNumbers; |
| } |
| |
| public List<PortNumber> getPortsToDevice(DeviceId deviceId) { |
| List<PortNumber> portNumbers = Lists.newArrayList(); |
| |
| Set<Link> links = srManager.linkService.getDeviceEgressLinks(deviceId); |
| for (Link link: links) { |
| if (link.dst().deviceId().equals(deviceId)) { |
| portNumbers.add(link.src().port()); |
| } |
| } |
| |
| return portNumbers; |
| } |
| |
| |
| public Ip4Address getDestinationRouterAddress(Ip4Address destIpAddress) { |
| return deviceConfig.getRouterIpAddressForASubnetHost(destIpAddress); |
| } |
| |
| public DeviceId getDeviceId(Ip4Address ip4Address) { |
| return deviceConfig.getDeviceId(ip4Address); |
| } |
| |
| public MacAddress getRouterMac(Ip4Address targetAddress) { |
| return deviceConfig.getRouterMacForAGatewayIp(targetAddress); |
| } |
| } |