| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.config; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.HashMultimap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.SetMultimap; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip6Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.config.ConfigException; |
| import org.onosproject.net.config.basics.InterfaceConfig; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.segmentrouting.SegmentRoutingManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Segment Routing configuration component that reads the |
| * segment routing related configuration from Network Configuration Manager |
| * component and organizes in more accessible formats. |
| */ |
| public class DeviceConfiguration implements DeviceProperties { |
| |
| private static final String NO_SUBNET = "No subnet configured on {}"; |
| |
| private static final Logger log = LoggerFactory.getLogger(DeviceConfiguration.class); |
| private final List<Integer> allSegmentIds = new ArrayList<>(); |
| private final Map<DeviceId, SegmentRouterInfo> deviceConfigMap = new ConcurrentHashMap<>(); |
| private SegmentRoutingManager srManager; |
| |
| private class SegmentRouterInfo { |
| int ipv4NodeSid; |
| int ipv6NodeSid; |
| DeviceId deviceId; |
| Ip4Address ipv4Loopback; |
| Ip6Address ipv6Loopback; |
| MacAddress mac; |
| boolean isEdge; |
| SetMultimap<PortNumber, IpAddress> gatewayIps; |
| SetMultimap<PortNumber, IpPrefix> subnets; |
| Map<Integer, Set<Integer>> adjacencySids; |
| DeviceId pairDeviceId; |
| PortNumber pairLocalPort; |
| int pwRoutingLabel; |
| |
| public SegmentRouterInfo() { |
| gatewayIps = HashMultimap.create(); |
| subnets = HashMultimap.create(); |
| } |
| } |
| |
| /** |
| * Constructs device configuration for all Segment Router devices, |
| * organizing the data into various maps for easier access. |
| * |
| * @param srManager Segment Routing Manager |
| */ |
| public DeviceConfiguration(SegmentRoutingManager srManager) { |
| this.srManager = srManager; |
| updateConfig(); |
| } |
| |
| public void updateConfig() { |
| // Read config from device subject, excluding gatewayIps and subnets. |
| Set<DeviceId> deviceSubjects = |
| srManager.cfgService.getSubjects(DeviceId.class, SegmentRoutingDeviceConfig.class); |
| deviceSubjects.forEach(subject -> { |
| SegmentRoutingDeviceConfig config = |
| srManager.cfgService.getConfig(subject, SegmentRoutingDeviceConfig.class); |
| SegmentRouterInfo info = new SegmentRouterInfo(); |
| info.deviceId = subject; |
| info.ipv4NodeSid = config.nodeSidIPv4(); |
| info.ipv6NodeSid = config.nodeSidIPv6(); |
| info.ipv4Loopback = config.routerIpv4(); |
| info.ipv6Loopback = config.routerIpv6(); |
| info.mac = config.routerMac(); |
| info.isEdge = config.isEdgeRouter(); |
| info.adjacencySids = config.adjacencySids(); |
| info.pairDeviceId = config.pairDeviceId(); |
| info.pairLocalPort = config.pairLocalPort(); |
| info.pwRoutingLabel = info.ipv4NodeSid + 1000; |
| deviceConfigMap.put(info.deviceId, info); |
| log.debug("Read device config for device: {}", info.deviceId); |
| /* |
| * IPv6 sid is not inserted. this part of the code is not used for now. |
| */ |
| allSegmentIds.add(info.ipv4NodeSid); |
| }); |
| |
| // Read gatewayIps and subnets from port subject. Ignore suppressed ports. |
| Set<ConnectPoint> portSubjects = srManager.cfgService |
| .getSubjects(ConnectPoint.class, InterfaceConfig.class); |
| portSubjects.stream() |
| .filter(subject -> deviceConfigMap.containsKey(subject.deviceId())) |
| .filter(subject -> !isSuppressedPort(subject)).forEach(subject -> { |
| InterfaceConfig config = |
| srManager.cfgService.getConfig(subject, InterfaceConfig.class); |
| Set<Interface> networkInterfaces; |
| try { |
| networkInterfaces = config.getInterfaces(); |
| } catch (ConfigException e) { |
| log.error("Error loading port configuration"); |
| return; |
| } |
| networkInterfaces.forEach(networkInterface -> { |
| VlanId vlanId = networkInterface.vlan(); |
| ConnectPoint connectPoint = networkInterface.connectPoint(); |
| DeviceId dpid = connectPoint.deviceId(); |
| PortNumber port = connectPoint.port(); |
| MacAddress mac = networkInterface.mac(); |
| SegmentRouterInfo info = deviceConfigMap.get(dpid); |
| |
| // skip if there is no corresponding device for this ConenctPoint |
| if (info != null) { |
| // Extract subnet information |
| List<InterfaceIpAddress> interfaceAddresses = networkInterface.ipAddressesList(); |
| interfaceAddresses.forEach(interfaceAddress -> { |
| // Do not add /0, /32 and /128 to gateway IP list |
| int prefixLength = interfaceAddress.subnetAddress().prefixLength(); |
| IpPrefix ipPrefix = interfaceAddress.subnetAddress(); |
| if (ipPrefix.isIp4()) { |
| if (prefixLength != 0 && prefixLength != IpPrefix.MAX_INET_MASK_LENGTH) { |
| info.gatewayIps.put(port, interfaceAddress.ipAddress()); |
| } |
| info.subnets.put(port, interfaceAddress.subnetAddress()); |
| } else { |
| if (prefixLength != 0 && prefixLength != IpPrefix.MAX_INET6_MASK_LENGTH) { |
| info.gatewayIps.put(port, interfaceAddress.ipAddress()); |
| } |
| info.subnets.put(port, interfaceAddress.subnetAddress()); |
| } |
| }); |
| |
| // Override interface mac with router mac |
| if (!mac.equals(info.mac)) { |
| ArrayNode array = (ArrayNode) config.node(); |
| for (JsonNode intfNode : array) { |
| ObjectNode objNode = (ObjectNode) intfNode; |
| objNode.put(InterfaceConfig.MAC, info.mac.toString()); |
| } |
| srManager.cfgService.applyConfig(connectPoint, InterfaceConfig.class, array); |
| } |
| } |
| }); |
| // We register the connect point with the NRS. |
| srManager.registerConnectPoint(subject); |
| }); |
| } |
| |
| public Collection<DeviceId> getRouters() { |
| return deviceConfigMap.keySet(); |
| } |
| |
| @Override |
| public boolean isConfigured(DeviceId deviceId) { |
| return deviceConfigMap.get(deviceId) != null; |
| } |
| |
| @Override |
| public int getIPv4SegmentId(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| log.info("DEVICE MAP IS {}", deviceConfigMap); |
| if (srinfo != null) { |
| log.trace("getIPv4SegmentId for device{} is {}", deviceId, srinfo.ipv4NodeSid); |
| return srinfo.ipv4NodeSid; |
| } else { |
| String message = "getIPv4SegmentId fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public int getIPv6SegmentId(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("getIPv6SegmentId for device{} is {}", deviceId, srinfo.ipv6NodeSid); |
| return srinfo.ipv6NodeSid; |
| } else { |
| String message = "getIPv6SegmentId fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public int getPWRoutingLabel(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("pwRoutingLabel for device{} is {}", deviceId, srinfo.pwRoutingLabel); |
| return srinfo.pwRoutingLabel; |
| } else { |
| String message = "getPWRoutingLabel fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| /** |
| * Returns the IPv4 Node segment id of a segment router given its Router mac address. |
| * |
| * @param routerMac router mac address |
| * @return node segment id, or -1 if not found in config |
| */ |
| public int getIPv4SegmentId(MacAddress routerMac) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().mac.equals(routerMac)) { |
| return entry.getValue().ipv4NodeSid; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /** |
| * Returns the IPv6 Node segment id of a segment router given its Router mac address. |
| * |
| * @param routerMac router mac address |
| * @return node segment id, or -1 if not found in config |
| */ |
| public int getIPv6SegmentId(MacAddress routerMac) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().mac.equals(routerMac)) { |
| return entry.getValue().ipv6NodeSid; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /** |
| * Returns the IPv4 Node segment id of a segment router given its Router ip address. |
| * |
| * @param routerAddress router ip address |
| * @return node segment id, or -1 if not found in config |
| */ |
| public int getIPv4SegmentId(Ip4Address routerAddress) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().ipv4Loopback.equals(routerAddress)) { |
| return entry.getValue().ipv4NodeSid; |
| } |
| } |
| |
| return -1; |
| } |
| |
| /** |
| * Returns the IPv6 Node segment id of a segment router given its Router ip address. |
| * |
| * @param routerAddress router ip address |
| * @return node segment id, or -1 if not found in config |
| */ |
| public int getIPv6SegmentId(Ip6Address routerAddress) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().ipv6Loopback.equals(routerAddress)) { |
| return entry.getValue().ipv6NodeSid; |
| } |
| } |
| |
| return -1; |
| } |
| |
| @Override |
| public MacAddress getDeviceMac(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| return srinfo.mac; |
| } else { |
| String message = "getDeviceMac fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public Ip4Address getRouterIpv4(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("getRouterIpv4 for device{} is {}", deviceId, srinfo.ipv4Loopback); |
| return srinfo.ipv4Loopback; |
| } else { |
| String message = "getRouterIpv4 fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public Ip6Address getRouterIpv6(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("getRouterIpv6 for device{} is {}", deviceId, srinfo.ipv6Loopback); |
| return srinfo.ipv6Loopback; |
| } else { |
| String message = "getRouterIpv6 fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public boolean isEdgeDevice(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("isEdgeDevice for device{} is {}", deviceId, srinfo.isEdge); |
| return srinfo.isEdge; |
| } else { |
| String message = "isEdgeDevice fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| @Override |
| public List<Integer> getAllDeviceSegmentIds() { |
| return allSegmentIds; |
| } |
| |
| @Override |
| public Map<IpPrefix, List<PortNumber>> getSubnetPortsMap(DeviceId deviceId) |
| throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo == null) { |
| String message = "getSubnetPortsMap fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| // Construct subnet-port mapping from port-subnet mapping |
| SetMultimap<PortNumber, IpPrefix> portSubnetMap = srinfo.subnets; |
| Map<IpPrefix, List<PortNumber>> subnetPortMap = new HashMap<>(); |
| |
| portSubnetMap.entries().forEach(entry -> { |
| PortNumber port = entry.getKey(); |
| IpPrefix subnet = entry.getValue(); |
| |
| if (subnet.prefixLength() == IpPrefix.MAX_INET_MASK_LENGTH || |
| subnet.prefixLength() == IpPrefix.MAX_INET6_MASK_LENGTH) { |
| return; |
| } |
| |
| if (subnetPortMap.containsKey(subnet)) { |
| subnetPortMap.get(subnet).add(port); |
| } else { |
| ArrayList<PortNumber> ports = new ArrayList<>(); |
| ports.add(port); |
| subnetPortMap.put(subnet, ports); |
| } |
| }); |
| return subnetPortMap; |
| } |
| |
| /** |
| * Returns the device identifier or data plane identifier (dpid) |
| * of a segment router given its segment id. |
| * |
| * @param sid segment id |
| * @return deviceId device identifier |
| */ |
| public DeviceId getDeviceId(int sid) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().ipv4NodeSid == sid || |
| entry.getValue().ipv6NodeSid == sid) { |
| return entry.getValue().deviceId; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the device identifier or data plane identifier (dpid) |
| * of a segment router given its router ip address. |
| * |
| * @param ipAddress router ip address |
| * @return deviceId device identifier |
| */ |
| public DeviceId getDeviceId(Ip4Address ipAddress) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().ipv4Loopback.equals(ipAddress)) { |
| return entry.getValue().deviceId; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the device identifier or data plane identifier (dpid) |
| * of a segment router given its router ipv6 address. |
| * |
| * @param ipAddress router ipv6 address |
| * @return deviceId device identifier |
| */ |
| public DeviceId getDeviceId(Ip6Address ipAddress) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().ipv6Loopback.equals(ipAddress)) { |
| return entry.getValue().deviceId; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the configured port ip addresses for a segment router. |
| * These addresses serve as gateway IP addresses for the subnets configured |
| * on those ports. |
| * |
| * @param deviceId device identifier |
| * @return immutable set of ip addresses configured on the ports or null if not found |
| */ |
| public Set<IpAddress> getPortIPs(DeviceId deviceId) { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| log.trace("getSubnetGatewayIps for device{} is {}", deviceId, |
| srinfo.gatewayIps.values()); |
| return ImmutableSet.copyOf(srinfo.gatewayIps.values()); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the configured subnet prefixes for a segment router. |
| * |
| * @param deviceId device identifier |
| * @return list of ip prefixes or null if not found |
| */ |
| public Set<IpPrefix> getSubnets(DeviceId deviceId) { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| ImmutableSet.Builder<IpPrefix> builder = ImmutableSet.builder(); |
| return builder.addAll(srinfo.subnets.values()).build(); |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Returns the subnet configuration of given device and port. |
| * |
| * @param deviceId Device ID |
| * @param port Port number |
| * @return The subnets configured on given port or empty set if |
| * the port is unconfigured or suppressed. |
| */ |
| public Set<IpPrefix> getPortSubnets(DeviceId deviceId, PortNumber port) { |
| ConnectPoint connectPoint = new ConnectPoint(deviceId, port); |
| |
| if (isSuppressedPort(connectPoint)) { |
| return Collections.emptySet(); |
| } |
| |
| Set<IpPrefix> subnets = |
| srManager.interfaceService.getInterfacesByPort(connectPoint).stream() |
| .flatMap(intf -> intf.ipAddressesList().stream()) |
| .map(InterfaceIpAddress::subnetAddress) |
| .collect(Collectors.toSet()); |
| |
| if (subnets.isEmpty()) { |
| log.debug(NO_SUBNET, connectPoint); |
| return Collections.emptySet(); |
| } |
| |
| return subnets; |
| } |
| |
| /** |
| * Returns all ports that has a subnet that contains any of the given IP addresses. |
| * |
| * @param ips a set of IP addresses |
| * @return a set of connect point that has a subnet that contains any of the given IP addresses |
| */ |
| public Set<ConnectPoint> getPortByIps(Set<IpAddress> ips) { |
| return srManager.interfaceService.getInterfaces().stream() |
| .filter(intf -> intf.ipAddressesList().stream().anyMatch(intfAddress -> |
| ips.stream().anyMatch(ip -> intfAddress.subnetAddress().contains(ip)))) |
| .map(Interface::connectPoint) |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * Returns the router ip address of segment router that has the |
| * specified ip address in its subnets. |
| * |
| * @param destIpAddress target ip address |
| * @return router ip address |
| */ |
| public Ip4Address getRouterIpAddressForASubnetHost(Ip4Address destIpAddress) { |
| Interface matchIntf = srManager.interfaceService.getMatchingInterface(destIpAddress); |
| |
| if (matchIntf == null) { |
| log.debug("No router was found for {}", destIpAddress); |
| return null; |
| } |
| |
| DeviceId routerDeviceId = matchIntf.connectPoint().deviceId(); |
| SegmentRouterInfo srInfo = deviceConfigMap.get(routerDeviceId); |
| if (srInfo == null) { |
| log.debug("No device config was found for {}", routerDeviceId); |
| return null; |
| } |
| |
| return srInfo.ipv4Loopback; |
| } |
| |
| /** |
| * Returns the router ipv6 address of segment router that has the |
| * specified ip address in its subnets. |
| * |
| * @param destIpAddress target ip address |
| * @return router ip address |
| */ |
| public Ip6Address getRouterIpAddressForASubnetHost(Ip6Address destIpAddress) { |
| Interface matchIntf = srManager.interfaceService.getMatchingInterface(destIpAddress); |
| |
| if (matchIntf == null) { |
| log.debug("No router was found for {}", destIpAddress); |
| return null; |
| } |
| |
| DeviceId routerDeviceId = matchIntf.connectPoint().deviceId(); |
| SegmentRouterInfo srInfo = deviceConfigMap.get(routerDeviceId); |
| if (srInfo == null) { |
| log.debug("No device config was found for {}", routerDeviceId); |
| return null; |
| } |
| |
| return srInfo.ipv6Loopback; |
| } |
| |
| /** |
| * Returns the router mac address of segment router that has the |
| * specified ip address as one of its subnet gateway ip address. |
| * |
| * @param gatewayIpAddress router gateway ip address |
| * @return router mac address or null if not found |
| */ |
| public MacAddress getRouterMacForAGatewayIp(IpAddress gatewayIpAddress) { |
| for (Map.Entry<DeviceId, SegmentRouterInfo> entry: |
| deviceConfigMap.entrySet()) { |
| if (entry.getValue().gatewayIps. |
| values().contains(gatewayIpAddress)) { |
| return entry.getValue().mac; |
| } |
| } |
| |
| log.debug("Cannot find a router for {}", gatewayIpAddress); |
| return null; |
| } |
| |
| /** |
| * Checks if the host IP is in any of the subnet defined in the router with the |
| * device ID given. |
| * |
| * @param deviceId device identification of the router |
| * @param hostIp host IP address to check |
| * @return true if the given IP is within any of the subnet defined in the router, |
| * false if no subnet is defined in the router or if the host is not |
| * within any subnet defined in the router |
| */ |
| public boolean inSameSubnet(DeviceId deviceId, IpAddress hostIp) { |
| |
| Set<IpPrefix> subnets = getSubnets(deviceId); |
| if (subnets == null) { |
| return false; |
| } |
| |
| for (IpPrefix subnet: subnets) { |
| // Exclude /0 since it is a special case used for default route |
| if (subnet.prefixLength() != 0 && subnet.contains(hostIp)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Checks if the IP is in the subnet defined on given connect point. |
| * |
| * @param connectPoint Connect point |
| * @param ip The IP address to check |
| * @return True if the IP belongs to the subnet. |
| * False if the IP does not belong to the subnet, or |
| * there is no subnet configuration on given connect point. |
| */ |
| public boolean inSameSubnet(ConnectPoint connectPoint, IpAddress ip) { |
| return getPortSubnets(connectPoint.deviceId(), connectPoint.port()).stream() |
| .anyMatch(ipPrefix -> ipPrefix.contains(ip)); |
| } |
| |
| /** |
| * Returns the ports corresponding to the adjacency Sid given. |
| * |
| * @param deviceId device identification of the router |
| * @param sid adjacency Sid |
| * @return set of port numbers |
| */ |
| public Set<Integer> getPortsForAdjacencySid(DeviceId deviceId, int sid) { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| return srinfo != null ? |
| ImmutableSet.copyOf(srinfo.adjacencySids.get(sid)) : |
| ImmutableSet.copyOf(new HashSet<>()); |
| } |
| |
| /** |
| * Check if the Sid given is whether adjacency Sid of the router device or not. |
| * |
| * @param deviceId device identification of the router |
| * @param sid Sid to check |
| * @return true if the Sid given is the adjacency Sid of the device, |
| * otherwise false |
| */ |
| public boolean isAdjacencySid(DeviceId deviceId, int sid) { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| return srinfo != null && srinfo.adjacencySids.containsKey(sid); |
| } |
| |
| /** |
| * Add subnet to specific connect point. |
| * |
| * @param cp connect point |
| * @param ipPrefix subnet being added to the device |
| */ |
| public void addSubnet(ConnectPoint cp, IpPrefix ipPrefix) { |
| checkNotNull(cp); |
| checkNotNull(ipPrefix); |
| SegmentRouterInfo srinfo = deviceConfigMap.get(cp.deviceId()); |
| if (srinfo == null) { |
| log.warn("Device {} is not configured. Abort.", cp.deviceId()); |
| return; |
| } |
| srinfo.subnets.put(cp.port(), ipPrefix); |
| } |
| |
| /** |
| * Remove subnet from specific connect point. |
| * |
| * @param cp connect point |
| * @param ipPrefix subnet being removed to the device |
| */ |
| public void removeSubnet(ConnectPoint cp, IpPrefix ipPrefix) { |
| checkNotNull(cp); |
| checkNotNull(ipPrefix); |
| SegmentRouterInfo srinfo = deviceConfigMap.get(cp.deviceId()); |
| if (srinfo == null) { |
| log.warn("Device {} is not configured. Abort.", cp.deviceId()); |
| return; |
| } |
| srinfo.subnets.remove(cp.port(), ipPrefix); |
| } |
| |
| private boolean isSuppressedPort(ConnectPoint connectPoint) { |
| SegmentRoutingAppConfig appConfig = srManager.cfgService |
| .getConfig(srManager.appId(), SegmentRoutingAppConfig.class); |
| if (appConfig != null && appConfig.suppressSubnet().contains(connectPoint)) { |
| log.info("Interface configuration on port {} is ignored", connectPoint); |
| return true; |
| } |
| return false; |
| } |
| |
| public boolean isPairedEdge(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| if (!isEdgeDevice(deviceId)) { |
| return false; |
| } |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| return (srinfo.pairDeviceId == null) ? false : true; |
| } |
| |
| public DeviceId getPairDeviceId(DeviceId deviceId) throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| return srinfo.pairDeviceId; |
| } else { |
| String message = "getPairDeviceId fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| public PortNumber getPairLocalPort(DeviceId deviceId) |
| throws DeviceConfigNotFoundException { |
| SegmentRouterInfo srinfo = deviceConfigMap.get(deviceId); |
| if (srinfo != null) { |
| return srinfo.pairLocalPort; |
| } else { |
| String message = "getPairLocalPort fails for device: " + deviceId + "."; |
| throw new DeviceConfigNotFoundException(message); |
| } |
| } |
| |
| } |