| /* |
| * Copyright 2017-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.simplefabric; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.event.ListenerService; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Host; |
| |
| import java.io.OutputStream; |
| import java.util.Set; |
| import java.util.Collection; |
| |
| /** |
| * Provides information about the routing configuration. |
| */ |
| public interface SimpleFabricService |
| extends ListenerService<SimpleFabricEvent, SimpleFabricListener> { |
| |
| // App symbols |
| static final String APP_ID = "org.onosproject.simplefabric"; |
| static final String L2FORWARD_APP_ID = "org.onosproject.simplefabric.l2forward"; |
| static final String REACTIVE_APP_ID = "org.onosproject.simplefabric.reactive"; |
| |
| // Priority for l2NetworkRouting: L2NETWORK_UNICAST or L2NETWORK_BROADCAST |
| static final int PRI_L2NETWORK_UNICAST = 601; |
| static final int PRI_L2NETWORK_BROADCAST = 600; |
| |
| // Reactive Routing within Local Subnets |
| // ASSUME: local subnets NEVER overlaps each other |
| static final int PRI_REACTIVE_LOCAL_FORWARD = 501; |
| static final int PRI_REACTIVE_LOCAL_INTERCEPT = 500; |
| // Reactive Routing for Border Routes with local subnet |
| // Priority: REACTIVE_BROUTE_BASE + routeIpPrefix * REACTIVE_BROUTE_STEP |
| // + REACTIVE_BROUTE_FORWARD or REACTIVE_BROUTE_INTERCEPT |
| static final int PRI_REACTIVE_BORDER_BASE = 100; |
| static final int PRI_REACTIVE_BORDER_STEP = 2; |
| static final int PRI_REACTIVE_BORDER_FORWARD = 1; |
| static final int PRI_REACTIVE_BORDER_INTERCEPT = 0; |
| |
| // Simple fabric event related timers |
| static final long IDLE_INTERVAL_MSEC = 5000; |
| |
| // Feature control parameters |
| static final boolean ALLOW_IPV6 = false; |
| static final boolean ALLOW_ETH_ADDRESS_SELECTOR = true; |
| static final boolean REACTIVE_SINGLE_TO_SINGLE = false; |
| static final boolean REACTIVE_ALLOW_LINK_CP = false; // MUST BE false (yjlee, 2017-10-18) |
| static final boolean REACTIVE_HASHED_PATH_SELECTION = false; |
| static final boolean REACTIVE_MATCH_IP_PROTO = false; |
| |
| /** |
| * Gets appId. |
| * |
| * @return appId of simple fabric app |
| */ |
| ApplicationId getAppId(); |
| |
| /** |
| * Gets all the l2Networks. |
| * |
| * @return all the l2Networks |
| */ |
| Collection<L2Network> getL2Networks(); |
| |
| /** |
| * Retrieves the entire set of ipSubnets configuration. |
| * |
| * @return all the ipSubnets |
| */ |
| Set<IpSubnet> getIpSubnets(); |
| |
| /** |
| * Retrieves the entire set of static routes to outer networks. |
| * |
| * @return the set of static routes to outer networks. |
| */ |
| Set<Route> getBorderRoutes(); |
| |
| /** |
| * Gets Virtual Gateway Mac Address for Local Subnet Virtual Gateway Ip. |
| * |
| * @param ip the ip to check for Virtual Gateway Ip |
| * @return mac address of virtual gateway |
| */ |
| MacAddress getVMacForIp(IpAddress ip); |
| |
| /** |
| * Evaluates whether a mac is of Virtual Gateway Mac Addresses. |
| * |
| * @param mac the MacAddress to evaluate |
| * @return true if the mac is of any Vitrual Gateway Mac Address of ipSubnets |
| */ |
| boolean isVMac(MacAddress mac); |
| |
| /** |
| * Evaluates whether an Interface belongs to l2Networks. |
| * |
| * @param intf the interface to evaluate |
| * @return true if the inteface belongs to l2Networks configed, otherwise false |
| */ |
| boolean isL2NetworkInterface(Interface intf); |
| |
| /** |
| * Finds the L2 Network with given port and vlanId. |
| * |
| * @param port the port to be matched |
| * @param vlanId the vlanId to be matched |
| * @return the L2 Network for specific port and vlanId or null |
| */ |
| L2Network findL2Network(ConnectPoint port, VlanId vlanId); |
| |
| /** |
| * Finds the L2 Network of the name. |
| * |
| * @param name the name to be matched |
| * @return the L2 Network for specific name |
| */ |
| L2Network findL2Network(String name); |
| |
| /** |
| * Finds the IpSubnet containing the ipAddress. |
| * |
| * @param ipAddress the ipAddress to be matched |
| * @return the IpSubnet for specific ipAddress |
| */ |
| IpSubnet findIpSubnet(IpAddress ipAddress); |
| |
| /** |
| * Finds the Border Route containing the ipAddress. |
| * ASSUME: ipAddress is out of ipSubnets |
| * |
| * @param ipAddress the ipAddress to be matched |
| * @return the IpSubnet for specific ipAddress |
| */ |
| Route findBorderRoute(IpAddress ipAddress); |
| |
| /** |
| * Finds the network interface related to the host. |
| * |
| * @param host the host |
| * @return the interface related to the host |
| */ |
| Interface getHostInterface(Host host); |
| |
| /** |
| * Evaluates whether an IP address belongs to local SDN network. |
| * |
| * @param ipAddress the IP address to evaluate |
| * @return true if the IP address belongs to local SDN network, otherwise false |
| */ |
| boolean isIpAddressLocal(IpAddress ipAddress); |
| |
| /** |
| * Evaluates whether an IP prefix belongs to local SDN network. |
| * |
| * @param ipPrefix the IP prefix to evaluate |
| * @return true if the IP prefix belongs to local SDN network, otherwise false |
| */ |
| boolean isIpPrefixLocal(IpPrefix ipPrefix); |
| |
| /** |
| * Sends Neighbour Query (ARP or NDP) to Find Host Location. |
| * |
| * @param ip the ip address to resolve |
| * @return true if request mac packets are emitted. otherwise false |
| */ |
| boolean requestMac(IpAddress ip); |
| |
| /** |
| * Sends Dump Event to all SimpleFabricListeners to Dump Info on the Subject. |
| * |
| * @param subject the subject to dump |
| * @param out the output stream to dump |
| */ |
| void dumpToStream(String subject, OutputStream out); |
| |
| /** |
| * Triggers to send Refresh Notification to all sub modules. |
| */ |
| void triggerRefresh(); |
| |
| /** |
| * Triggers to send Flush Notification to all sub modules. |
| */ |
| void triggerFlush(); |
| |
| } |