MQTT全局服务订阅，基本功能创建，标签打印等功能基本实现

2025-05-13 16:37:22 +08:00
parent 4d1ec06430
commit f897d641b4
10 changed files with 843 additions and 87 deletions
--- a/ZR.Common/MqttHelper/MyMqttConfig.cs
+++ b/ZR.Common/MqttHelper/MyMqttConfig.cs
@@ -0,0 +1,97 @@
+using Infrastructure.Attribute;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using MQTTnet;
+using MQTTnet.Client;
+using MQTTnet.Packets;
+using MQTTnet.Protocol;
+using MQTTnet.Server;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static Org.BouncyCastle.Math.EC.ECCurve;
+
+namespace ZR.Common.MqttHelper
+{
+    [AppService(ServiceLifetime = LifeTime.Singleton)]
+    public class MyMqttConfig
+    {
+        // 配置常量
+        private const string MqttConfigSection = "MqttConfig";
+        private const string TopicsConfigKey = "Topics";
+        private const int DefaultReconnectDelaySeconds = 5;
+        private const int MaxReconnectAttempts = 10;
+        private const int MaxReconnectDelaySeconds = 60;
+
+        private readonly ILogger<MyMqttConfig> _logger;
+        private readonly IConfiguration _configuration;
+
+        public MyMqttConfig(ILogger<MyMqttConfig> logger, IConfiguration configuration)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _configuration = configuration;
+        }
+
+        public MqttClientOptions BuildMqttClientOptions()
+        {
+            var mqttConfig = _configuration.GetSection(MqttConfigSection);
+            var builder = new MqttClientOptionsBuilder()
+                .WithClientId(mqttConfig["ClientId"] ?? Guid.NewGuid().ToString())
+                .WithTcpServer(mqttConfig["Server"], mqttConfig.GetValue<int>("Port", 1883))
+                .WithCleanSession();
+            return builder.Build();
+        }
+
+        public MqttClientSubscribeOptions GetSubscribeToTopicsAsync()
+        {
+            var topicsSection = _configuration.GetSection($"{MqttConfigSection}:{TopicsConfigKey}");
+            var topicConfigs = topicsSection.Get<List<TopicSubscriptionConfig>>() ?? new List<TopicSubscriptionConfig>();
+
+            if (!topicConfigs.Any())
+            {
+                _logger.LogInformation("没有配置要订阅的MQTT主题");
+                return null; // 或返回空配置，根据业务需求决定
+            }
+
+            var subscribeOptionsBuilder = new MqttClientSubscribeOptionsBuilder();
+
+            foreach (var config in topicConfigs)
+            {
+                var topicFilter = config.ToMqttTopicFilter();
+                subscribeOptionsBuilder.WithTopicFilter(topicFilter); // 直接添加单个主题过滤器
+            }
+
+            return subscribeOptionsBuilder.Build();
+        }
+
+
+
+        // 主题订阅配置类
+        private class TopicSubscriptionConfig
+        {
+            public string Topic { get; set; }
+            public MqttQualityOfServiceLevel QualityOfServiceLevel { get; set; } = MqttQualityOfServiceLevel.AtLeastOnce;
+            public bool NoLocal { get; set; } = false;
+            public bool RetainAsPublished { get; set; } = false;
+            public MqttRetainHandling RetainHandling { get; set; } = MqttRetainHandling.SendAtSubscribe;
+
+            public MqttTopicFilter ToMqttTopicFilter()
+            {
+                return new MqttTopicFilterBuilder()
+                    .WithTopic(Topic)
+                    .WithQualityOfServiceLevel(QualityOfServiceLevel)
+                    .WithNoLocal(NoLocal)
+                    .WithRetainAsPublished(RetainAsPublished)
+                    .WithRetainHandling(RetainHandling)
+                    .Build();
+            }
+
+            public override string ToString()
+            {
+                return $"{Topic}@QoS{QualityOfServiceLevel}";
+            }
+        }
+    }
+}