| /* |
| * 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.driver.ovsdb; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.BridgeName; |
| import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| import org.onosproject.net.behaviour.IpTunnelEndPoint; |
| import org.onosproject.net.behaviour.TunnelConfig; |
| import org.onosproject.net.behaviour.TunnelDescription; |
| import org.onosproject.net.behaviour.TunnelName; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.ovsdb.controller.OvsdbClientService; |
| import org.onosproject.ovsdb.controller.OvsdbController; |
| import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| import org.onosproject.ovsdb.controller.OvsdbTunnel; |
| |
| /** |
| * OVSDB-based implementation of tunnel config behaviour. |
| */ |
| public class OvsdbTunnelConfig extends AbstractHandlerBehaviour |
| implements TunnelConfig { |
| |
| private static final String DEFAULT_ADDRESS = "0.0.0.0"; |
| private static final String OPTION_LOCAL_IP = "local_ip"; |
| private static final String OPTION_REMOTE_IP = "remote_ip"; |
| |
| @Override |
| public void createTunnel(TunnelDescription tunnel) { |
| DriverHandler handler = handler(); |
| OvsdbClientService ovsdbNode = getOvsdbNode(handler); |
| IpTunnelEndPoint ipSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress |
| .valueOf(DEFAULT_ADDRESS)); |
| IpTunnelEndPoint ipDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress |
| .valueOf(DEFAULT_ADDRESS)); |
| if (tunnel.src() instanceof IpTunnelEndPoint) { |
| ipSrc = (IpTunnelEndPoint) tunnel.src(); |
| } |
| if (tunnel.dst() instanceof IpTunnelEndPoint) { |
| ipDst = (IpTunnelEndPoint) tunnel.dst(); |
| } |
| //Even if source point ip or destination point ip equals 0:0:0:0, it is still work-in-progress. |
| ovsdbNode.createTunnel(ipSrc.ip(), ipDst.ip()); |
| } |
| |
| @Override |
| public boolean createTunnelInterface(BridgeName bridgeName, TunnelDescription tunnel) { |
| Map<String, String> options = ((DefaultAnnotations) tunnel.annotations()).asMap(); |
| if (tunnel.src() != null) { |
| options.put(OPTION_LOCAL_IP, ((IpTunnelEndPoint) tunnel.src()).ip().toString()); |
| } |
| if (tunnel.dst() != null) { |
| options.put(OPTION_REMOTE_IP, ((IpTunnelEndPoint) tunnel.dst()).ip().toString()); |
| } |
| |
| DriverHandler handler = handler(); |
| OvsdbClientService ovsdbClient = getOvsdbNode(handler); |
| return ovsdbClient.createTunnel(bridgeName.name(), tunnel.tunnelName().toString(), |
| tunnel.type().toString().toLowerCase(), options); |
| } |
| |
| @Override |
| public void removeTunnel(TunnelDescription tunnel) { |
| DriverHandler handler = handler(); |
| OvsdbClientService ovsdbNode = getOvsdbNode(handler); |
| IpTunnelEndPoint ipSrc = IpTunnelEndPoint.ipTunnelPoint(IpAddress |
| .valueOf(DEFAULT_ADDRESS)); |
| IpTunnelEndPoint ipDst = IpTunnelEndPoint.ipTunnelPoint(IpAddress |
| .valueOf(DEFAULT_ADDRESS)); |
| if (tunnel.src() instanceof IpTunnelEndPoint) { |
| ipSrc = (IpTunnelEndPoint) tunnel.src(); |
| } |
| if (tunnel.dst() instanceof IpTunnelEndPoint) { |
| ipDst = (IpTunnelEndPoint) tunnel.dst(); |
| } |
| //Even if source point ip or destination point ip equals 0:0:0:0, it is still work-in-progress. |
| ovsdbNode.dropTunnel(ipSrc.ip(), ipDst.ip()); |
| } |
| |
| @Override |
| public void updateTunnel(TunnelDescription tunnel) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public Collection<TunnelDescription> getTunnels() { |
| DriverHandler handler = handler(); |
| OvsdbClientService ovsdbNode = getOvsdbNode(handler); |
| Set<OvsdbTunnel> tunnels = ovsdbNode.getTunnels(); |
| |
| return tunnels.stream() |
| .map(x -> |
| new DefaultTunnelDescription( |
| IpTunnelEndPoint.ipTunnelPoint(x.localIp()), |
| IpTunnelEndPoint.ipTunnelPoint(x.remoteIp()), |
| TunnelDescription.Type.VXLAN, |
| TunnelName.tunnelName(x.tunnelName().toString()) |
| ) |
| ) |
| .collect(Collectors.toSet()); |
| } |
| |
| // OvsdbNodeId(IP) is used in the adaptor while DeviceId(ovsdb:IP) |
| // is used in the core. So DeviceId need be changed to OvsdbNodeId. |
| private OvsdbNodeId changeDeviceIdToNodeId(DeviceId deviceId) { |
| String[] splits = deviceId.toString().split(":"); |
| if (splits == null || splits.length < 1) { |
| return null; |
| } |
| IpAddress ipAddress = IpAddress.valueOf(splits[1]); |
| return new OvsdbNodeId(ipAddress, 0); |
| } |
| |
| private OvsdbClientService getOvsdbNode(DriverHandler handler) { |
| OvsdbController ovsController = handler.get(OvsdbController.class); |
| DeviceId deviceId = handler.data().deviceId(); |
| OvsdbNodeId nodeId = changeDeviceIdToNodeId(deviceId); |
| return ovsController.getOvsdbClient(nodeId); |
| } |
| } |