Thomas Vachuska | 781d18b | 2014-10-27 10:31:25 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
tom | 9c94c5b | 2014-09-17 13:14:42 -0700 | [diff] [blame] | 19 | package org.onlab.onos.openflow.controller.driver; |
tom | 7ef8ff9 | 2014-09-17 13:08:06 -0700 | [diff] [blame] | 20 | |
| 21 | /** |
| 22 | * When we remove a pending role request we use this enum to indicate how we |
| 23 | * arrived at the decision. When we send a role request to the switch, we |
| 24 | * also use this enum to indicate what we expect back from the switch, so the |
| 25 | * role changer can match the reply to our expectation. |
| 26 | */ |
| 27 | public enum RoleRecvStatus { |
| 28 | /** The switch returned an error indicating that roles are not. |
| 29 | * supported*/ |
| 30 | UNSUPPORTED, |
| 31 | /** The request timed out. */ |
| 32 | NO_REPLY, |
| 33 | /** The reply was old, there is a newer request pending. */ |
| 34 | OLD_REPLY, |
| 35 | /** |
| 36 | * The reply's role matched the role that this controller set in the |
| 37 | * request message - invoked either initially at startup or to reassert |
| 38 | * current role. |
| 39 | */ |
| 40 | MATCHED_CURRENT_ROLE, |
| 41 | /** |
| 42 | * The reply's role matched the role that this controller set in the |
| 43 | * request message - this is the result of a callback from the |
| 44 | * global registry, followed by a role request sent to the switch. |
| 45 | */ |
| 46 | MATCHED_SET_ROLE, |
| 47 | /** |
| 48 | * The reply's role was a response to the query made by this controller. |
| 49 | */ |
| 50 | REPLY_QUERY, |
| 51 | /** We received a role reply message from the switch |
| 52 | * but the expectation was unclear, or there was no expectation. |
| 53 | */ |
| 54 | OTHER_EXPECTATION, |
| 55 | } |