| /* |
| * Copyright 2014 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.routing.config.impl; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.googlecode.concurrenttrees.radix.node.concrete.DefaultByteArrayNodeFactory; |
| import com.googlecode.concurrenttrees.radixinverted.ConcurrentInvertedRadixTree; |
| import com.googlecode.concurrenttrees.radixinverted.InvertedRadixTree; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip6Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.routing.config.BgpPeer; |
| import org.onosproject.routing.config.BgpSpeaker; |
| import org.onosproject.routing.config.Interface; |
| import org.onosproject.routing.config.LocalIpPrefixEntry; |
| import org.onosproject.routing.config.RoutingConfigurationService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static org.onosproject.routing.RouteEntry.createBinaryString; |
| |
| /** |
| * Implementation of RoutingConfigurationService which reads routing |
| * configuration from a file. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class RoutingConfigurationImpl implements RoutingConfigurationService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String CONFIG_DIR = "../config"; |
| private static final String DEFAULT_CONFIG_FILE = "sdnip.json"; |
| private String configFileName = DEFAULT_CONFIG_FILE; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| private Map<String, BgpSpeaker> bgpSpeakers = new ConcurrentHashMap<>(); |
| private Map<IpAddress, BgpPeer> bgpPeers = new ConcurrentHashMap<>(); |
| |
| private InvertedRadixTree<LocalIpPrefixEntry> |
| localPrefixTable4 = new ConcurrentInvertedRadixTree<>( |
| new DefaultByteArrayNodeFactory()); |
| private InvertedRadixTree<LocalIpPrefixEntry> |
| localPrefixTable6 = new ConcurrentInvertedRadixTree<>( |
| new DefaultByteArrayNodeFactory()); |
| |
| private HostToInterfaceAdaptor hostAdaptor; |
| |
| @Activate |
| public void activate() { |
| readConfiguration(); |
| hostAdaptor = new HostToInterfaceAdaptor(hostService); |
| log.info("Routing configuration service started"); |
| } |
| |
| /** |
| * Reads SDN-IP related information contained in the configuration file. |
| * |
| * @param configFilename the name of the configuration file for the SDN-IP |
| * application |
| */ |
| private void readConfiguration(String configFilename) { |
| File configFile = new File(CONFIG_DIR, configFilename); |
| ObjectMapper mapper = new ObjectMapper(); |
| |
| try { |
| log.info("Loading config: {}", configFile.getAbsolutePath()); |
| Configuration config = mapper.readValue(configFile, |
| Configuration.class); |
| for (BgpSpeaker speaker : config.getBgpSpeakers()) { |
| bgpSpeakers.put(speaker.name(), speaker); |
| } |
| for (BgpPeer peer : config.getPeers()) { |
| bgpPeers.put(peer.ipAddress(), peer); |
| } |
| |
| for (LocalIpPrefixEntry entry : config.getLocalIp4PrefixEntries()) { |
| localPrefixTable4.put(createBinaryString(entry.ipPrefix()), |
| entry); |
| } |
| for (LocalIpPrefixEntry entry : config.getLocalIp6PrefixEntries()) { |
| localPrefixTable6.put(createBinaryString(entry.ipPrefix()), |
| entry); |
| } |
| |
| } catch (FileNotFoundException e) { |
| log.warn("Configuration file not found: {}", configFileName); |
| } catch (IOException e) { |
| log.error("Error loading configuration", e); |
| } |
| } |
| |
| /** |
| * Instructs the configuration reader to read the configuration from the |
| * file. |
| */ |
| public void readConfiguration() { |
| readConfiguration(configFileName); |
| } |
| |
| @Override |
| public Map<String, BgpSpeaker> getBgpSpeakers() { |
| return Collections.unmodifiableMap(bgpSpeakers); |
| } |
| |
| @Override |
| public Map<IpAddress, BgpPeer> getBgpPeers() { |
| return Collections.unmodifiableMap(bgpPeers); |
| } |
| |
| @Override |
| public Set<Interface> getInterfaces() { |
| return hostAdaptor.getInterfaces(); |
| } |
| |
| @Override |
| public Interface getInterface(ConnectPoint connectPoint) { |
| return hostAdaptor.getInterface(connectPoint); |
| } |
| |
| @Override |
| public Interface getMatchingInterface(IpAddress ipAddress) { |
| return hostAdaptor.getMatchingInterface(ipAddress); |
| } |
| |
| @Override |
| public boolean isIpAddressLocal(IpAddress ipAddress) { |
| if (ipAddress.isIp4()) { |
| return localPrefixTable4.getValuesForKeysPrefixing( |
| createBinaryString( |
| IpPrefix.valueOf(ipAddress, Ip4Address.BIT_LENGTH))) |
| .iterator().hasNext(); |
| } else { |
| return localPrefixTable6.getValuesForKeysPrefixing( |
| createBinaryString( |
| IpPrefix.valueOf(ipAddress, Ip6Address.BIT_LENGTH))) |
| .iterator().hasNext(); |
| } |
| } |
| |
| @Override |
| public boolean isIpPrefixLocal(IpPrefix ipPrefix) { |
| return (localPrefixTable4.getValueForExactKey( |
| createBinaryString(ipPrefix)) != null || |
| localPrefixTable6.getValueForExactKey( |
| createBinaryString(ipPrefix)) != null); |
| } |
| |
| } |