| /* |
| * 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.cli.net.completer; |
| |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cli.AbstractChoicesCompleter; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.link.LinkService; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static org.onlab.osgi.DefaultServiceDirectory.getService; |
| import static org.onosproject.net.ConnectPoint.deviceConnectPoint; |
| |
| /** |
| * Completer, which proposes remote end of existing Link in the system. |
| * <p> |
| * This completer will look for (device id)/(port number) in the |
| * existing argument and propose list of remote ports. |
| */ |
| @Service |
| public class PeerConnectPointCompleter extends AbstractChoicesCompleter { |
| |
| @Override |
| protected List<String> choices() { |
| |
| DeviceService deviceService = getService(DeviceService.class); |
| LinkService linkService = getService(LinkService.class); |
| |
| Optional<ConnectPoint> port = Arrays.asList(commandLine.getArguments()).stream() |
| .filter(s -> s.contains(":") && s.contains("/")) |
| .map(s -> { |
| try { |
| return deviceConnectPoint(s); |
| } catch (IllegalArgumentException e) { |
| // silently ill-formed String |
| return null; |
| } |
| }) |
| .filter(Objects::nonNull) |
| .filter(cp -> deviceService.getPort(cp) != null) |
| .findFirst(); |
| |
| if (!port.isPresent()) { |
| // no candidate |
| return Collections.emptyList(); |
| } |
| final ConnectPoint cp = port.get(); |
| |
| return linkService.getLinks(cp).stream() |
| .flatMap(l -> Stream.of(l.src(), l.dst())) |
| .filter(peer -> !cp.equals(peer)) |
| .distinct() |
| .map(ConnectPoint::toString) |
| .collect(Collectors.toList()); |
| } |
| |
| } |