Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
Ray Milkey | 5d40601 | 2014-04-08 14:44:41 -0700 | [diff] [blame] | 2 | * Copyright 2011, Big Switch Networks, Inc. |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 3 | * Originally created by David Erickson, Stanford University |
Ray Milkey | 269ffb9 | 2014-04-03 14:43:30 -0700 | [diff] [blame] | 4 | * |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 18 | package net.onrc.onos.core.linkdiscovery; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 19 | |
Jonathan Hart | 284e70f | 2014-07-05 12:32:51 -0700 | [diff] [blame] | 20 | /** |
| 21 | * Provides callbacks for link discovery events. |
| 22 | */ |
| 23 | public interface ILinkDiscoveryListener { |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 24 | |
Jonathan Hart | 284e70f | 2014-07-05 12:32:51 -0700 | [diff] [blame] | 25 | /** |
| 26 | * Called when a new link is detected. A link discovery probe has been |
| 27 | * received on a port, and the link was not previously known to the link |
| 28 | * discovery manager. |
| 29 | * |
| 30 | * @param link the new link that was detected |
| 31 | */ |
| 32 | public void linkAdded(Link link); |
| 33 | |
| 34 | /** |
| 35 | * Called when a link is removed. The link may have been removed because it |
| 36 | * timed out (no probes received on the destination port for an interval), |
| 37 | * or because the port is no longer available for link discovery, either |
| 38 | * because the switch was removed, the port went down, or link discovery |
| 39 | * was disabled on the port. |
| 40 | * |
| 41 | * @param link the link that was removed |
| 42 | */ |
| 43 | public void linkRemoved(Link link); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 44 | } |