Srikanth Vavilapalli | 6450548 | 2015-04-21 13:04:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.segmentrouting; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
| 19 | |
| 20 | import org.onlab.packet.Ip4Address; |
| 21 | import org.onlab.packet.Ip4Prefix; |
| 22 | import org.onlab.packet.IpPrefix; |
| 23 | import org.onlab.packet.MacAddress; |
| 24 | import org.onosproject.net.DeviceId; |
| 25 | import org.onosproject.net.Link; |
| 26 | import org.onosproject.net.PortNumber; |
| 27 | import org.slf4j.Logger; |
| 28 | import org.slf4j.LoggerFactory; |
| 29 | |
| 30 | import java.util.List; |
| 31 | import java.util.Set; |
| 32 | |
| 33 | /** |
| 34 | * This class is temporary class and used only for test. |
| 35 | * It will be replaced with "real" Network Config Manager. |
| 36 | * |
| 37 | * TODO: Knock off this wrapper and directly use DeviceConfiguration class |
| 38 | */ |
| 39 | |
| 40 | public class NetworkConfigHandler { |
| 41 | |
| 42 | private static Logger log = LoggerFactory.getLogger(NetworkConfigHandler.class); |
| 43 | private SegmentRoutingManager srManager; |
| 44 | private DeviceConfiguration deviceConfig; |
| 45 | |
| 46 | public NetworkConfigHandler(SegmentRoutingManager srManager, |
| 47 | DeviceConfiguration deviceConfig) { |
| 48 | this.srManager = srManager; |
| 49 | this.deviceConfig = deviceConfig; |
| 50 | } |
| 51 | |
| 52 | public List<Ip4Address> getGatewayIpAddress(DeviceId deviceId) { |
| 53 | return this.deviceConfig.getSubnetGatewayIps(deviceId); |
| 54 | } |
| 55 | |
| 56 | public IpPrefix getRouterIpAddress(DeviceId deviceId) { |
| 57 | return IpPrefix.valueOf(deviceConfig.getRouterIp(deviceId), 32); |
| 58 | } |
| 59 | |
| 60 | public MacAddress getRouterMacAddress(DeviceId deviceId) { |
| 61 | return deviceConfig.getDeviceMac(deviceId); |
| 62 | } |
| 63 | |
| 64 | public boolean inSameSubnet(DeviceId deviceId, Ip4Address destIp) { |
| 65 | |
| 66 | List<Ip4Prefix> subnets = getSubnetInfo(deviceId); |
| 67 | if (subnets == null) { |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | return subnets.stream() |
| 72 | .anyMatch((subnet) -> subnet.contains(destIp)); |
| 73 | } |
| 74 | |
| 75 | public boolean inSameSubnet(Ip4Address address, int sid) { |
| 76 | DeviceId deviceId = deviceConfig.getDeviceId(sid); |
| 77 | if (deviceId == null) { |
| 78 | log.warn("Cannot find a device for SID {}", sid); |
| 79 | return false; |
| 80 | } |
| 81 | |
| 82 | return inSameSubnet(deviceId, address); |
| 83 | } |
| 84 | |
| 85 | public List<Ip4Prefix> getSubnetInfo(DeviceId deviceId) { |
| 86 | return deviceConfig.getSubnets(deviceId); |
| 87 | } |
| 88 | |
| 89 | public int getMplsId(DeviceId deviceId) { |
| 90 | return deviceConfig.getSegmentId(deviceId); |
| 91 | } |
| 92 | |
| 93 | public int getMplsId(MacAddress routerMac) { |
| 94 | return deviceConfig.getSegmentId(routerMac); |
| 95 | } |
| 96 | |
| 97 | public int getMplsId(Ip4Address routerIpAddress) { |
| 98 | return deviceConfig.getSegmentId(routerIpAddress); |
| 99 | } |
| 100 | |
| 101 | public boolean isEcmpNotSupportedInTransit(DeviceId deviceId) { |
| 102 | //TODO: temporarily changing to true to test with Dell |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | public boolean isTransitRouter(DeviceId deviceId) { |
| 107 | return !(deviceConfig.isEdgeDevice(deviceId)); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | public boolean isEdgeRouter(DeviceId deviceId) { |
| 112 | return deviceConfig.isEdgeDevice(deviceId); |
| 113 | } |
| 114 | |
| 115 | private List<PortNumber> getPortsToNeighbors(DeviceId deviceId, List<DeviceId> fwdSws) { |
| 116 | |
| 117 | List<PortNumber> portNumbers = Lists.newArrayList(); |
| 118 | |
| 119 | Set<Link> links = srManager.linkService.getDeviceEgressLinks(deviceId); |
| 120 | for (Link link: links) { |
| 121 | for (DeviceId swId: fwdSws) { |
| 122 | if (link.dst().deviceId().equals(swId)) { |
| 123 | portNumbers.add(link.src().port()); |
| 124 | break; |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | return portNumbers; |
| 130 | } |
| 131 | |
| 132 | public List<PortNumber> getPortsToDevice(DeviceId deviceId) { |
| 133 | List<PortNumber> portNumbers = Lists.newArrayList(); |
| 134 | |
| 135 | Set<Link> links = srManager.linkService.getDeviceEgressLinks(deviceId); |
| 136 | for (Link link: links) { |
| 137 | if (link.dst().deviceId().equals(deviceId)) { |
| 138 | portNumbers.add(link.src().port()); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | return portNumbers; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | public Ip4Address getDestinationRouterAddress(Ip4Address destIpAddress) { |
| 147 | return deviceConfig.getRouterIpAddressForASubnetHost(destIpAddress); |
| 148 | } |
| 149 | |
| 150 | public DeviceId getDeviceId(Ip4Address ip4Address) { |
| 151 | return deviceConfig.getDeviceId(ip4Address); |
| 152 | } |
| 153 | |
| 154 | public MacAddress getRouterMac(Ip4Address targetAddress) { |
| 155 | return deviceConfig.getRouterMacForAGatewayIp(targetAddress); |
| 156 | } |
| 157 | } |