maojianwei | 42e2344 | 2016-02-15 10:40:48 +0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
maojianwei | 42e2344 | 2016-02-15 10:40:48 +0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.fnl.intf; |
| 17 | |
| 18 | import java.util.Set; |
| 19 | |
| 20 | /** |
| 21 | * Provide algorithms or methods to diagnose network. |
| 22 | * |
| 23 | * Strategy Pattern. |
| 24 | */ |
| 25 | public interface NetworkDiagnostic { |
| 26 | |
| 27 | /** |
| 28 | * Checks for and returns all corresponding anomalies. |
| 29 | * An empty set is returned if there are no anomalies. |
| 30 | * |
| 31 | * @return the set of all corresponding anomalies; may be empty |
| 32 | */ |
| 33 | Set<NetworkAnomaly> findAnomalies(); |
| 34 | |
| 35 | /** |
| 36 | * Returns the type of diagnostic. |
| 37 | * |
| 38 | * @return the type of diagnostic |
| 39 | */ |
| 40 | Type type(); |
| 41 | |
| 42 | /** |
| 43 | * Represents diagnostic types. |
| 44 | */ |
| 45 | enum Type { |
| 46 | |
| 47 | /** |
| 48 | * Packets round among several devices with several forwarding entries. |
| 49 | * |
| 50 | * Routing loops. |
| 51 | */ |
| 52 | LOOP |
| 53 | } |
| 54 | } |