Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.store.cluster.messaging; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 17 | |
Jordan Halterman | 28183ee | 2017-10-17 17:29:10 -0700 | [diff] [blame] | 18 | import java.util.Set; |
| 19 | import java.util.concurrent.CompletableFuture; |
| 20 | import java.util.concurrent.Executor; |
| 21 | import java.util.concurrent.ExecutorService; |
| 22 | import java.util.function.Consumer; |
| 23 | import java.util.function.Function; |
| 24 | |
| 25 | import org.onosproject.cluster.NodeId; |
| 26 | |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 27 | /** |
| 28 | * Service for assisting communications between controller cluster nodes. |
| 29 | */ |
Jordan Halterman | 28183ee | 2017-10-17 17:29:10 -0700 | [diff] [blame] | 30 | public interface ClusterCommunicationService { |
| 31 | |
| 32 | /** |
| 33 | * Adds a new subscriber for the specified message subject. |
| 34 | * |
| 35 | * @param subject message subject |
| 36 | * @param subscriber message subscriber |
| 37 | * @param executor executor to use for running handler. |
| 38 | * @deprecated in Cardinal Release |
| 39 | */ |
| 40 | @Deprecated |
| 41 | void addSubscriber(MessageSubject subject, ClusterMessageHandler subscriber, ExecutorService executor); |
| 42 | |
| 43 | /** |
| 44 | * Broadcasts a message to all controller nodes. |
| 45 | * |
| 46 | * @param message message to send |
| 47 | * @param subject message subject |
| 48 | * @param encoder function for encoding message to byte[] |
| 49 | * @param <M> message type |
| 50 | */ |
| 51 | <M> void broadcast(M message, |
| 52 | MessageSubject subject, |
| 53 | Function<M, byte[]> encoder); |
| 54 | |
| 55 | /** |
| 56 | * Broadcasts a message to all controller nodes including self. |
| 57 | * |
| 58 | * @param message message to send |
| 59 | * @param subject message subject |
| 60 | * @param encoder function for encoding message to byte[] |
| 61 | * @param <M> message type |
| 62 | */ |
| 63 | <M> void broadcastIncludeSelf(M message, |
| 64 | MessageSubject subject, |
| 65 | Function<M, byte[]> encoder); |
| 66 | |
| 67 | /** |
| 68 | * Sends a message to the specified controller node. |
| 69 | * |
| 70 | * @param message message to send |
| 71 | * @param subject message subject |
| 72 | * @param encoder function for encoding message to byte[] |
| 73 | * @param toNodeId destination node identifier |
| 74 | * @param <M> message type |
| 75 | * @return future that is completed when the message is sent |
| 76 | */ |
| 77 | <M> CompletableFuture<Void> unicast(M message, |
| 78 | MessageSubject subject, |
| 79 | Function<M, byte[]> encoder, |
| 80 | NodeId toNodeId); |
| 81 | |
| 82 | /** |
| 83 | * Multicasts a message to a set of controller nodes. |
| 84 | * |
| 85 | * @param message message to send |
| 86 | * @param subject message subject |
| 87 | * @param encoder function for encoding message to byte[] |
| 88 | * @param nodeIds recipient node identifiers |
| 89 | * @param <M> message type |
| 90 | */ |
| 91 | <M> void multicast(M message, |
| 92 | MessageSubject subject, |
| 93 | Function<M, byte[]> encoder, |
| 94 | Set<NodeId> nodeIds); |
| 95 | |
| 96 | /** |
| 97 | * Sends a message and expects a reply. |
| 98 | * |
| 99 | * @param message message to send |
| 100 | * @param subject message subject |
| 101 | * @param encoder function for encoding request to byte[] |
| 102 | * @param decoder function for decoding response from byte[] |
| 103 | * @param toNodeId recipient node identifier |
| 104 | * @param <M> request type |
| 105 | * @param <R> reply type |
| 106 | * @return reply future |
| 107 | */ |
| 108 | <M, R> CompletableFuture<R> sendAndReceive(M message, |
| 109 | MessageSubject subject, |
| 110 | Function<M, byte[]> encoder, |
| 111 | Function<byte[], R> decoder, |
| 112 | NodeId toNodeId); |
| 113 | |
| 114 | /** |
| 115 | * Adds a new subscriber for the specified message subject. |
| 116 | * |
| 117 | * @param subject message subject |
| 118 | * @param decoder decoder for resurrecting incoming message |
| 119 | * @param handler handler function that processes the incoming message and produces a reply |
| 120 | * @param encoder encoder for serializing reply |
| 121 | * @param executor executor to run this handler on |
| 122 | * @param <M> incoming message type |
| 123 | * @param <R> reply message type |
| 124 | */ |
| 125 | <M, R> void addSubscriber(MessageSubject subject, |
| 126 | Function<byte[], M> decoder, |
| 127 | Function<M, R> handler, |
| 128 | Function<R, byte[]> encoder, |
| 129 | Executor executor); |
| 130 | |
| 131 | /** |
| 132 | * Adds a new subscriber for the specified message subject. |
| 133 | * |
| 134 | * @param subject message subject |
| 135 | * @param decoder decoder for resurrecting incoming message |
| 136 | * @param handler handler function that processes the incoming message and produces a reply |
| 137 | * @param encoder encoder for serializing reply |
| 138 | * @param <M> incoming message type |
| 139 | * @param <R> reply message type |
| 140 | */ |
| 141 | <M, R> void addSubscriber(MessageSubject subject, |
| 142 | Function<byte[], M> decoder, |
| 143 | Function<M, CompletableFuture<R>> handler, |
| 144 | Function<R, byte[]> encoder); |
| 145 | |
| 146 | /** |
| 147 | * Adds a new subscriber for the specified message subject. |
| 148 | * |
| 149 | * @param subject message subject |
| 150 | * @param decoder decoder to resurrecting incoming message |
| 151 | * @param handler handler for handling message |
| 152 | * @param executor executor to run this handler on |
| 153 | * @param <M> incoming message type |
| 154 | */ |
| 155 | <M> void addSubscriber(MessageSubject subject, |
| 156 | Function<byte[], M> decoder, |
| 157 | Consumer<M> handler, |
| 158 | Executor executor); |
| 159 | |
| 160 | /** |
| 161 | * Removes a subscriber for the specified message subject. |
| 162 | * |
| 163 | * @param subject message subject |
| 164 | */ |
| 165 | void removeSubscriber(MessageSubject subject); |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 166 | } |