v4.0.0 (#1357)

2026-10-18 10:26:11 +08:00 · 2022-02-20 21:10:46 +01:00
parent 47e674e4d3
commit 2ce9b94ec9
608 changed files with 22364 additions and 19420 deletions
@@ -0,0 +1,108 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Threading.Tasks;
+using System.IO;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using MQTTnet.Client;
+using MQTTnet.Extensions.ManagedClient;
+using MQTTnet.Implementations;
+using MQTTnet.Protocol;
+
+namespace MQTTnet.TestApp
+{
+    public static class ManagedClientTest
+    {
+        public static async Task RunAsync()
+        {
+            var ms = new ClientRetainedMessageHandler();
+
+            var options = new ManagedMqttClientOptions
+            {
+                ClientOptions = new MqttClientOptions
+                {
+                    ClientId = "MQTTnetManagedClientTest",
+                    Credentials = new RandomPassword(),
+                    ChannelOptions = new MqttClientTcpOptions
+                    {
+                        Server = "broker.hivemq.com"
+                    }
+                },
+
+                AutoReconnectDelay = TimeSpan.FromSeconds(1),
+                Storage = ms
+            };
+
+            try
+            {
+                var managedClient = new MqttFactory().CreateManagedMqttClient();
+                managedClient.ApplicationMessageReceivedAsync += e =>
+                {
+                    Console.WriteLine(">> RECEIVED: " + e.ApplicationMessage.Topic);
+                    return PlatformAbstractionLayer.CompletedTask;
+                };
+
+                await managedClient.StartAsync(options);
+
+                await managedClient.EnqueueAsync(topic: "Step", payload: "1");
+                await managedClient.EnqueueAsync(topic: "Step", payload: "2", MqttQualityOfServiceLevel.AtLeastOnce);
+                
+                await managedClient.SubscribeAsync(topic: "xyz", qualityOfServiceLevel: MqttQualityOfServiceLevel.AtMostOnce);
+                await managedClient.SubscribeAsync(topic: "abc", qualityOfServiceLevel: MqttQualityOfServiceLevel.AtMostOnce);
+
+                await managedClient.EnqueueAsync(topic: "Step", payload: "3");
+
+                Console.WriteLine("Managed client started.");
+                Console.ReadLine();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+        }
+
+
+        public sealed class RandomPassword : IMqttClientCredentialsProvider
+        {
+            public string GetUserName(MqttClientOptions clientOptions)
+            {
+                return "the_static_user";
+            }
+
+            public byte[] GetPassword(MqttClientOptions clientOptions)
+            {
+                return Guid.NewGuid().ToByteArray();
+            }
+        }
+
+        public class ClientRetainedMessageHandler : IManagedMqttClientStorage
+        {
+            const string Filename = @"RetainedMessages.json";
+
+            public Task SaveQueuedMessagesAsync(IList<ManagedMqttApplicationMessage> messages)
+            {
+                File.WriteAllText(Filename, JsonConvert.SerializeObject(messages));
+                return Task.FromResult(0);
+            }
+
+            public Task<IList<ManagedMqttApplicationMessage>> LoadQueuedMessagesAsync()
+            {
+                IList<ManagedMqttApplicationMessage> retainedMessages;
+                if (File.Exists(Filename))
+                {
+                    var json = File.ReadAllText(Filename);
+                    retainedMessages = JsonConvert.DeserializeObject<List<ManagedMqttApplicationMessage>>(json);
+                }
+                else
+                {
+                    retainedMessages = new List<ManagedMqttApplicationMessage>();
+                }
+
+                return Task.FromResult(retainedMessages);
+            }
+        }
+    }
+}