| /* |
| * Copyright 2018-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.t3.impl; |
| |
| import com.google.common.collect.Sets; |
| import org.onlab.packet.EthType; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.t3.api.StaticPacketTrace; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of the generator class that yields a set of Packet Traces. |
| */ |
| public class PingAllGenerator extends Generator<Set<StaticPacketTrace>> { |
| |
| private static final Logger log = getLogger(PingAllGenerator.class); |
| |
| private final EthType.EtherType etherType; |
| private final HostService hostService; |
| private final TroubleshootManager manager; |
| |
| /** |
| * Creates a generator for obtaining traces of pings between all the hosts in the network. |
| * |
| * @param etherType the type of traffic we are tracing. |
| * @param service the host service |
| * @param manager the troubleshoot manager issuing the request. |
| */ |
| PingAllGenerator(EthType.EtherType etherType, HostService service, TroubleshootManager manager) { |
| this.etherType = etherType; |
| this.hostService = service; |
| this.manager = manager; |
| } |
| |
| @Override |
| protected void run() throws InterruptedException { |
| hostService.getHosts().forEach(host -> { |
| List<IpAddress> ipAddresses = manager.getIpAddresses(host, etherType, false); |
| if (ipAddresses.size() > 0) { |
| //check if the host has only local IPs of that ETH type |
| boolean onlyLocalSrc = ipAddresses.size() == 1 && ipAddresses.get(0).isLinkLocal(); |
| hostService.getHosts().forEach(hostToPing -> { |
| List<IpAddress> ipAddressesToPing = manager.getIpAddresses(hostToPing, etherType, false); |
| //check if the other host has only local IPs of that ETH type |
| boolean onlyLocalDst = ipAddressesToPing.size() == 1 && ipAddressesToPing.get(0).isLinkLocal(); |
| boolean sameLocation = Sets.intersection(host.locations(), hostToPing.locations()).size() > 0; |
| //Trace is done only if they are both local and under the same location |
| // or not local and if they are not the same host. |
| if (((sameLocation && onlyLocalDst && onlyLocalSrc) || |
| (!onlyLocalSrc && !onlyLocalDst && ipAddressesToPing.size() > 0)) |
| && !host.equals(hostToPing)) { |
| try { |
| yield(manager.trace(host.id(), hostToPing.id(), etherType)); |
| } catch (InterruptedException e) { |
| log.warn("Interrupted generator", e.getMessage()); |
| log.debug("exception", e); |
| } |
| } |
| }); |
| } |
| }); |
| |
| } |
| } |