| /* |
| * 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.onlab.onos.sdnip.config; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.onlab.packet.IpAddress; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| |
| // TODO: As a long term solution, a module providing general network configuration to ONOS nodes should be used. |
| |
| /** |
| * SDN-IP Config Reader provides IConfigInfoService by reading from an |
| * SDN-IP configuration file. It must be enabled on the nodes within the cluster |
| * not running SDN-IP. |
| */ |
| public class SdnIpConfigReader implements SdnIpConfigService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| // Current working dir seems to be /opt/onos/apache-karaf-3.0.2 |
| // TODO: Set the path to /opt/onos/config |
| private static final String CONFIG_DIR = "../config"; |
| private static final String DEFAULT_CONFIG_FILE = "sdnip.json"; |
| private String configFileName = DEFAULT_CONFIG_FILE; |
| |
| private Map<String, BgpSpeaker> bgpSpeakers = new ConcurrentHashMap<>(); |
| private Map<IpAddress, BgpPeer> bgpPeers = new ConcurrentHashMap<>(); |
| |
| /** |
| * 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); |
| } |
| } catch (FileNotFoundException e) { |
| log.warn("Configuration file not found: {}", configFileName); |
| } catch (IOException e) { |
| log.error("Error loading configuration", e); |
| } |
| } |
| |
| public void init() { |
| readConfiguration(configFileName); |
| } |
| |
| @Override |
| public Map<String, BgpSpeaker> getBgpSpeakers() { |
| return Collections.unmodifiableMap(bgpSpeakers); |
| } |
| |
| @Override |
| public Map<IpAddress, BgpPeer> getBgpPeers() { |
| return Collections.unmodifiableMap(bgpPeers); |
| } |
| |
| static String dpidToUri(String dpid) { |
| return "of:" + dpid.replace(":", ""); |
| } |
| } |