| /* |
| * Copyright 2014-2015 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.config; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| 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.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.host.HostAdminService; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.net.host.PortAddresses; |
| import org.slf4j.Logger; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| |
| /** |
| * Simple configuration module to read in supplementary network configuration |
| * from a file. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class NetworkConfigReader implements NetworkConfigService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| // Current working is /opt/onos/apache-karaf-* |
| // TODO: Set the path to /opt/onos/config |
| private static final String CONFIG_DIR = "../config"; |
| private static final String DEFAULT_CONFIG_FILE = "addresses.json"; |
| private String configFileName = DEFAULT_CONFIG_FILE; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostAdminService hostAdminService; |
| |
| @Activate |
| protected void activate() { |
| AddressConfiguration config = readNetworkConfig(); |
| if (config != null) { |
| applyNetworkConfig(config); |
| } |
| log.info("Started network config reader"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| /** |
| * Reads the network configuration. |
| * |
| * @return the network configuration on success, otherwise null |
| */ |
| private AddressConfiguration readNetworkConfig() { |
| File configFile = new File(CONFIG_DIR, configFileName); |
| ObjectMapper mapper = new ObjectMapper(); |
| |
| try { |
| log.info("Loading config: {}", configFile.getAbsolutePath()); |
| AddressConfiguration config = |
| mapper.readValue(configFile, AddressConfiguration.class); |
| |
| return config; |
| } catch (FileNotFoundException e) { |
| log.warn("Configuration file not found: {}", configFileName); |
| } catch (IOException e) { |
| log.error("Error loading configuration", e); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Applies the network configuration. |
| * |
| * @param config the network configuration to apply |
| */ |
| private void applyNetworkConfig(AddressConfiguration config) { |
| for (AddressEntry entry : config.getAddresses()) { |
| ConnectPoint cp = new ConnectPoint( |
| DeviceId.deviceId(dpidToUri(entry.getDpid())), |
| PortNumber.portNumber(entry.getPortNumber())); |
| |
| Set<InterfaceIpAddress> interfaceIpAddresses = new HashSet<>(); |
| for (String strIp : entry.getIpAddresses()) { |
| // Get the IP address and the subnet mask length |
| try { |
| String[] splits = strIp.split("/"); |
| if (splits.length != 2) { |
| throw new IllegalArgumentException( |
| "Invalid IP address and prefix length format"); |
| } |
| // NOTE: IpPrefix will mask-out the bits after the prefix length. |
| IpPrefix subnet = IpPrefix.valueOf(strIp); |
| IpAddress addr = IpAddress.valueOf(splits[0]); |
| InterfaceIpAddress ia = |
| new InterfaceIpAddress(addr, subnet); |
| interfaceIpAddresses.add(ia); |
| } catch (IllegalArgumentException e) { |
| log.warn("Bad format for IP address in config: {}", strIp); |
| } |
| } |
| |
| MacAddress macAddress = null; |
| if (entry.getMacAddress() != null) { |
| try { |
| macAddress = MacAddress.valueOf(entry.getMacAddress()); |
| } catch (IllegalArgumentException e) { |
| log.warn("Bad format for MAC address in config: {}", |
| entry.getMacAddress()); |
| } |
| } |
| |
| VlanId vlan = null; |
| if (entry.getVlan() == null) { |
| vlan = VlanId.NONE; |
| } else { |
| try { |
| vlan = VlanId.vlanId(entry.getVlan()); |
| } catch (IllegalArgumentException e) { |
| log.warn("Bad format for VLAN id in config: {}", |
| entry.getVlan()); |
| vlan = VlanId.NONE; |
| } |
| } |
| |
| PortAddresses addresses = new PortAddresses(cp, |
| interfaceIpAddresses, macAddress, vlan); |
| hostAdminService.bindAddressesToPort(addresses); |
| } |
| } |
| |
| private static String dpidToUri(String dpid) { |
| return "of:" + dpid.replace(":", ""); |
| } |
| } |