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| 1 | +// This source code is dual-licensed under the Apache License, version |
| 2 | +// 2.0, and the Mozilla Public License, version 2.0. |
| 3 | +// |
| 4 | +// The APL v2.0: |
| 5 | +// |
| 6 | +//--------------------------------------------------------------------------- |
| 7 | +// Copyright (c) 2007-2024 Broadcom. All Rights Reserved. |
| 8 | +// |
| 9 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 10 | +// you may not use this file except in compliance with the License. |
| 11 | +// You may obtain a copy of the License at |
| 12 | +// |
| 13 | +// https://www.apache.org/licenses/LICENSE-2.0 |
| 14 | +// |
| 15 | +// Unless required by applicable law or agreed to in writing, software |
| 16 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 17 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 18 | +// See the License for the specific language governing permissions and |
| 19 | +// limitations under the License. |
| 20 | +//--------------------------------------------------------------------------- |
| 21 | +// |
| 22 | +// The MPL v2.0: |
| 23 | +// |
| 24 | +//--------------------------------------------------------------------------- |
| 25 | +// This Source Code Form is subject to the terms of the Mozilla Public |
| 26 | +// License, v. 2.0. If a copy of the MPL was not distributed with this |
| 27 | +// file, You can obtain one at https://mozilla.org/MPL/2.0/. |
| 28 | +// |
| 29 | +// Copyright (c) 2007-2024 Broadcom. All Rights Reserved. |
| 30 | +//--------------------------------------------------------------------------- |
| 31 | + |
| 32 | +#pragma warning disable CA2007 // Consider calling ConfigureAwait on the awaited task |
| 33 | + |
| 34 | +using System.Runtime.ExceptionServices; |
| 35 | +using RabbitMQ.Client; |
| 36 | +using RabbitMQ.Client.Events; |
| 37 | + |
| 38 | +namespace GH_1749 |
| 39 | +{ |
| 40 | + class GH1749Consumer : AsyncDefaultBasicConsumer |
| 41 | + { |
| 42 | + public GH1749Consumer(IChannel channel) : base(channel) |
| 43 | + { |
| 44 | + } |
| 45 | + |
| 46 | + protected override Task OnCancelAsync(string[] consumerTags, CancellationToken cancellationToken = default) |
| 47 | + { |
| 48 | + Console.WriteLine("{0} [INFO] OnCancelAsync, tags[0]: {1}", Util.Now, consumerTags[0]); |
| 49 | + return base.OnCancelAsync(consumerTags, cancellationToken); |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | + static class Program |
| 54 | + { |
| 55 | + const string DefaultHostName = "localhost"; |
| 56 | + const string ConnectionClientProvidedName = "GH_1749"; |
| 57 | + static readonly CancellationTokenSource s_cancellationTokenSource = new(); |
| 58 | + static readonly CancellationToken s_cancellationToken = s_cancellationTokenSource.Token; |
| 59 | + |
| 60 | + static Util? s_util; |
| 61 | + |
| 62 | + static async Task Main(string[] args) |
| 63 | + { |
| 64 | + string hostname = DefaultHostName; |
| 65 | + if (args.Length > 0) |
| 66 | + { |
| 67 | + hostname = args[0]; |
| 68 | + } |
| 69 | + |
| 70 | + s_util = new Util(hostname, "guest", "guest"); |
| 71 | + |
| 72 | + AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException; |
| 73 | + |
| 74 | + ConnectionFactory connectionFactory = new() |
| 75 | + { |
| 76 | + HostName = hostname, |
| 77 | + AutomaticRecoveryEnabled = true, |
| 78 | + UserName = "guest", |
| 79 | + Password = "guest", |
| 80 | + ClientProvidedName = ConnectionClientProvidedName |
| 81 | + }; |
| 82 | + |
| 83 | + var channelOptions = new CreateChannelOptions(publisherConfirmationsEnabled: true, publisherConfirmationTrackingEnabled: true); |
| 84 | + await using var connection = await connectionFactory.CreateConnectionAsync(); |
| 85 | + |
| 86 | + connection.RecoverySucceededAsync += (object sender, AsyncEventArgs ea) => |
| 87 | + { |
| 88 | + Console.WriteLine("{0} [INFO] saw RecoverySucceededAsync, event: {1}", Now, ea); |
| 89 | + _ = CloseConnectionAsync(); |
| 90 | + return Task.CompletedTask; |
| 91 | + }; |
| 92 | + |
| 93 | + connection.CallbackExceptionAsync += Connection_CallbackExceptionAsync; |
| 94 | + |
| 95 | + connection.ConnectionBlockedAsync += Connection_ConnectionBlockedAsync; |
| 96 | + connection.ConnectionUnblockedAsync += Connection_ConnectionUnblockedAsync; |
| 97 | + |
| 98 | + connection.ConnectionRecoveryErrorAsync += Connection_ConnectionRecoveryErrorAsync; |
| 99 | + |
| 100 | + connection.ConnectionShutdownAsync += (object sender, ShutdownEventArgs ea) => |
| 101 | + { |
| 102 | + Console.WriteLine("{0} [INFO] saw ConnectionShutdownAsync, event: {1}", Now, ea); |
| 103 | + return Task.CompletedTask; |
| 104 | + }; |
| 105 | + |
| 106 | + connection.ConsumerTagChangeAfterRecoveryAsync += Connection_ConsumerTagChangeAfterRecoveryAsync; |
| 107 | + connection.QueueNameChangedAfterRecoveryAsync += Connection_QueueNameChangedAfterRecoveryAsync; |
| 108 | + |
| 109 | + connection.RecoveringConsumerAsync += Connection_RecoveringConsumerAsync; |
| 110 | + |
| 111 | + await using var channel = await connection.CreateChannelAsync(options: channelOptions); |
| 112 | + |
| 113 | + channel.CallbackExceptionAsync += Channel_CallbackExceptionAsync; |
| 114 | + channel.ChannelShutdownAsync += Channel_ChannelShutdownAsync; |
| 115 | + |
| 116 | + QueueDeclareOk queue = await channel.QueueDeclareAsync(); |
| 117 | + |
| 118 | + var consumer = new GH1749Consumer(channel); |
| 119 | + await channel.BasicConsumeAsync(queue.QueueName, true, consumer); |
| 120 | + |
| 121 | + _ = CloseConnectionAsync(); |
| 122 | + |
| 123 | + Console.WriteLine("{0} [INFO] consumer is running", Util.Now); |
| 124 | + Console.ReadLine(); |
| 125 | + } |
| 126 | + |
| 127 | + static async Task CloseConnectionAsync() |
| 128 | + { |
| 129 | + if (s_util is null) |
| 130 | + { |
| 131 | + throw new NullReferenceException("s_util"); |
| 132 | + } |
| 133 | + |
| 134 | + try |
| 135 | + { |
| 136 | + Console.WriteLine("{0} [INFO] start closing connection: {1}", Now, ConnectionClientProvidedName); |
| 137 | + await s_util.CloseConnectionAsync(ConnectionClientProvidedName); |
| 138 | + Console.WriteLine("{0} [INFO] done closing connection: {1}", Now, ConnectionClientProvidedName); |
| 139 | + } |
| 140 | + catch (Exception ex) |
| 141 | + { |
| 142 | + Console.Error.WriteLine("{0} [ERROR] error while closing connection: {1}", Now, ex); |
| 143 | + } |
| 144 | + } |
| 145 | + |
| 146 | + private static string Now => Util.Now; |
| 147 | + |
| 148 | + private static Task Channel_CallbackExceptionAsync(object sender, CallbackExceptionEventArgs ea) |
| 149 | + { |
| 150 | + Console.WriteLine("{0} [INFO] channel saw CallbackExceptionAsync, event: {1}", Now, ea); |
| 151 | + Console.WriteLine("{0} [INFO] channel CallbackExceptionAsync, exception: {1}", Now, ea.Exception); |
| 152 | + return Task.CompletedTask; |
| 153 | + } |
| 154 | + |
| 155 | + private static Task Channel_ChannelShutdownAsync(object sender, ShutdownEventArgs ea) |
| 156 | + { |
| 157 | + Console.WriteLine("{0} [INFO] saw ChannelShutdownAsync, event: {1}", Now, ea); |
| 158 | + return Task.CompletedTask; |
| 159 | + } |
| 160 | + |
| 161 | + private static void CurrentDomain_FirstChanceException(object? sender, FirstChanceExceptionEventArgs e) |
| 162 | + { |
| 163 | + if (e.Exception is ObjectDisposedException) |
| 164 | + { |
| 165 | + Console.WriteLine("{0} [INFO] saw FirstChanceException, exception: {1}", Now, e.Exception); |
| 166 | + } |
| 167 | + } |
| 168 | + |
| 169 | + private static Task Connection_CallbackExceptionAsync(object sender, CallbackExceptionEventArgs ea) |
| 170 | + { |
| 171 | + Console.WriteLine("{0} [INFO] connection saw CallbackExceptionAsync, event: {1}", Now, ea); |
| 172 | + Console.WriteLine("{0} [INFO] connection CallbackExceptionAsync, exception: {1}", Now, ea.Exception); |
| 173 | + return Task.CompletedTask; |
| 174 | + } |
| 175 | + |
| 176 | + private static Task Connection_ConnectionBlockedAsync(object sender, ConnectionBlockedEventArgs ea) |
| 177 | + { |
| 178 | + Console.WriteLine("{0} [INFO] saw ConnectionBlockedAsync, event: {1}", Now, ea); |
| 179 | + return Task.CompletedTask; |
| 180 | + } |
| 181 | + |
| 182 | + private static Task Connection_ConnectionUnblockedAsync(object sender, AsyncEventArgs ea) |
| 183 | + { |
| 184 | + Console.WriteLine("{0} [INFO] saw ConnectionUnlockedAsync, event: {1}", Now, ea); |
| 185 | + return Task.CompletedTask; |
| 186 | + } |
| 187 | + |
| 188 | + private static Task Connection_ConnectionRecoveryErrorAsync(object sender, ConnectionRecoveryErrorEventArgs ea) |
| 189 | + { |
| 190 | + Console.WriteLine("{0} [INFO] saw ConnectionRecoveryErrorAsync, event: {1}", Now, ea); |
| 191 | + Console.WriteLine("{0} [INFO] ConnectionRecoveryErrorAsync, exception: {1}", Now, ea.Exception); |
| 192 | + return Task.CompletedTask; |
| 193 | + } |
| 194 | + |
| 195 | + private static Task Connection_ConsumerTagChangeAfterRecoveryAsync(object sender, ConsumerTagChangedAfterRecoveryEventArgs ea) |
| 196 | + { |
| 197 | + Console.WriteLine("{0} [INFO] saw ConsumerTagChangeAfterRecoveryAsync, event: {1}", Now, ea); |
| 198 | + Console.WriteLine("{0} [INFO] ConsumerTagChangeAfterRecoveryAsync, tags: {1} {2}", Now, ea.TagBefore, ea.TagAfter); |
| 199 | + return Task.CompletedTask; |
| 200 | + } |
| 201 | + |
| 202 | + private static Task Connection_QueueNameChangedAfterRecoveryAsync(object sender, QueueNameChangedAfterRecoveryEventArgs ea) |
| 203 | + { |
| 204 | + Console.WriteLine("{0} [INFO] saw QueueNameChangedAfterRecoveryAsync, event: {1}", Now, ea); |
| 205 | + Console.WriteLine("{0} [INFO] QueueNameChangedAfterRecoveryAsync, queue names: {1} {2}", Now, ea.NameBefore, ea.NameAfter); |
| 206 | + return Task.CompletedTask; |
| 207 | + } |
| 208 | + |
| 209 | + private static Task Connection_RecoveringConsumerAsync(object sender, RecoveringConsumerEventArgs ea) |
| 210 | + { |
| 211 | + Console.WriteLine("{0} [INFO] saw RecoveringConsumerAsync, event: {1}, tag: {2}", Now, ea, ea.ConsumerTag); |
| 212 | + return Task.CompletedTask; |
| 213 | + } |
| 214 | + } |
| 215 | +} |
| 216 | + |
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