| /* |
| * 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.net.host; |
| |
| import org.onosproject.net.Host; |
| import org.onosproject.net.provider.Provider; |
| |
| /** |
| * Provider of information about hosts and their location on the network. |
| */ |
| public interface HostProvider extends Provider { |
| |
| /** |
| * Triggers an asynchronous probe of the specified host, intended to |
| * determine whether the host is present or not. An indirect result of this |
| * should be invocation of {@link org.onosproject.net.host.HostProviderService#hostDetected} |
| * or {@link org.onosproject.net.host.HostProviderService#hostVanished} |
| * at some later point in time. |
| * |
| * @param host host to probe |
| */ |
| void triggerProbe(Host host); |
| |
| } |