JiShe.CollectBus.sln

@@ -31,7 +31,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JiShe.CollectBus.FreeSql",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JiShe.CollectBus.FreeRedisProvider", "src\JiShe.CollectBus.FreeRedisProvider\JiShe.CollectBus.FreeRedisProvider.csproj", "{C06C4082-638F-2996-5FED-7784475766C1}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JiShe.CollectBus.Kafka", "src\JiShe.CollectBus.KafkaProducer\JiShe.CollectBus.Kafka.csproj", "{919F4CDB-5C82-4371-B209-403B408DA248}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JiShe.CollectBus.Kafka", "src\JiShe.CollectBus.KafkaProducer\JiShe.CollectBus.Kafka.csproj", "{F0288175-F0EC-48BD-945F-CF1512850943}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JiShe.CollectBus.IoTDBProvider", "src\JiShe.CollectBus.IoTDBProvider\JiShe.CollectBus.IoTDBProvider.csproj", "{A3F3C092-0A25-450B-BF6A-5983163CBEF5}"
 EndProject
@@ -101,6 +101,10 @@ Global
 		{A3F3C092-0A25-450B-BF6A-5983163CBEF5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A3F3C092-0A25-450B-BF6A-5983163CBEF5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A3F3C092-0A25-450B-BF6A-5983163CBEF5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F0288175-F0EC-48BD-945F-CF1512850943}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F0288175-F0EC-48BD-945F-CF1512850943}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F0288175-F0EC-48BD-945F-CF1512850943}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F0288175-F0EC-48BD-945F-CF1512850943}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -121,6 +125,7 @@ Global
 		{C06C4082-638F-2996-5FED-7784475766C1} = {649A3FFA-182F-4E56-9717-E6A9A2BEC545}
 		{919F4CDB-5C82-4371-B209-403B408DA248} = {649A3FFA-182F-4E56-9717-E6A9A2BEC545}
 		{A3F3C092-0A25-450B-BF6A-5983163CBEF5} = {649A3FFA-182F-4E56-9717-E6A9A2BEC545}
+		{F0288175-F0EC-48BD-945F-CF1512850943} = {649A3FFA-182F-4E56-9717-E6A9A2BEC545}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {4324B3B4-B60B-4E3C-91D8-59576B4E26DD}

src/JiShe.CollectBus.Application.Contracts/Samples/SampleDto.cs

@@ -1,6 +1,18 @@
-namespace JiShe.CollectBus.Samples;
+using JiShe.CollectBus.Common.Attributes;
+using Volo.Abp.EventBus;
 
+namespace JiShe.CollectBus.Samples;
+
+[EventName("Sample.Kafka.Test")]
+[TopicName("Test1")]
 public class SampleDto
 {
     public int Value { get; set; }
 }
+
+[EventName("Sample.Kafka.Test2")]
+[TopicName("Test2")]
+public class SampleDto2
+{
+    public int Value { get; set; }
+}

src/JiShe.CollectBus.Application/CollectBusApplicationModule.cs

@@ -20,12 +20,15 @@ using AutoMapper.Configuration.Annotations;
 using JiShe.CollectBus.Common.Attributes;
 using JiShe.CollectBus.IoTDBProvider;
 using Confluent.Kafka.Admin;
-using Confluent.Kafka;
 using Microsoft.Extensions.Options;
 using JiShe.CollectBus.Protocol.Contracts;
 using System.Collections.Generic;
 using Thrift;
 using Microsoft.Extensions.Configuration;
+using Volo.Abp.EventBus.Kafka;
+using Volo.Abp.Kafka;
+using Volo.Abp.EventBus;
+using Confluent.Kafka;
 
 namespace JiShe.CollectBus;
 
@@ -36,29 +39,59 @@ namespace JiShe.CollectBus;
     typeof(AbpAutoMapperModule),
     typeof(AbpBackgroundWorkersHangfireModule),
     typeof(CollectBusFreeRedisModule),
-    typeof(CollectBusIoTDBModule),
-    typeof(CollectBusFreeSqlModule)
+    typeof(CollectBusFreeSqlModule),
+    typeof(AbpEventBusModule), 
+    typeof(AbpKafkaModule),
+    typeof(CollectBusIoTDBModule)
     )]
 public class CollectBusApplicationModule : AbpModule
 {
     public override void ConfigureServices(ServiceConfigurationContext context)
     {
+        var configuration = context.Services.GetConfiguration();
+
         context.Services.AddAutoMapperObjectMapper<CollectBusApplicationModule>();
         Configure<AbpAutoMapperOptions>(options =>
         {
             options.AddMaps<CollectBusApplicationModule>(validate: true);
         });
 
-        //Configure<AbpAntiForgeryOptions>(options =>
-        //{
-        //    options.TokenCookie.Expiration = TimeSpan.FromDays(365);
-        //    options.AutoValidateIgnoredHttpMethods.Add("POST");
-        //});
+        Configure<AbpKafkaOptions>(configuration.GetSection("Kafka"));
+        Configure<AbpKafkaEventBusOptions>(configuration.GetSection("Kafka:EventBus"));
+
+        Configure<AbpKafkaOptions>(options =>
+        {
+            options.ConfigureConsumer = config =>
+            {
+                config.GroupId = configuration.GetValue<string>("Kafka:Consumer:GroupId");
+                config.EnableAutoCommit = configuration.GetValue<bool>("Kafka:Consumer:EnableAutoCommit");
+            };
+        });
+
+        Configure<AbpKafkaOptions>(options =>
+        {
+            options.ConfigureProducer = config =>
+            {
+                config.MessageTimeoutMs = configuration.GetValue<int>("Kafka:Producer:MessageTimeoutMs"); 
+                config.Acks = (Acks)configuration.GetValue<int>("Kafka:Producer:Acks");
+            };
+        });
+
+        Configure<AbpKafkaOptions>(options =>
+        {
+            options.ConfigureTopic = specification =>
+            {
+                specification.ReplicationFactor = configuration.GetValue<short>("Kafka:Topic:ReplicationFactor"); 
+                specification.NumPartitions = configuration.GetValue<int>("Kafka:Topic:NumPartitions"); 
+            };
+        });
     }
 
     public override void OnApplicationInitialization(
         ApplicationInitializationContext context)
     {
+        context.ServiceProvider.GetRequiredService<CustomKafkaDistributedEventBus>().Initialize();
+
         var assembly = Assembly.GetExecutingAssembly();
         var types = assembly.GetTypes().Where(t => typeof(ICollectWorker).IsAssignableFrom(t) && !t.IsInterface).ToList();
         foreach (var type in types)

src/JiShe.CollectBus.Application/CustomKafkaDistributedEventBus.cs

@@ -0,0 +1,251 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+using Confluent.Kafka;
+using JiShe.CollectBus.Common.Attributes;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Volo.Abp;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.EventBus;
+using Volo.Abp.EventBus.Distributed;
+using Volo.Abp.EventBus.Kafka;
+using Volo.Abp.EventBus.Local;
+using Volo.Abp.Guids;
+using Volo.Abp.Kafka;
+using Volo.Abp.MultiTenancy;
+using Volo.Abp.Timing;
+using Volo.Abp.Tracing;
+using Volo.Abp.Uow;
+using Volo.Abp.Threading;
+
+
+namespace JiShe.CollectBus;
+
+[Dependency(ReplaceServices = true)]
+[ExposeServices(typeof(IDistributedEventBus), typeof(CustomKafkaDistributedEventBus))]
+public class CustomKafkaDistributedEventBus : DistributedEventBusBase, ISingletonDependency
+{
+
+    protected AbpKafkaEventBusOptions AbpKafkaEventBusOptions { get; }
+    protected IKafkaMessageConsumerFactory MessageConsumerFactory { get; }
+    protected IKafkaSerializer Serializer { get; }
+    protected IProducerPool ProducerPool { get; }
+    protected ConcurrentDictionary<Type, List<IEventHandlerFactory>> HandlerFactories { get; }
+    protected ConcurrentDictionary<string, Type> EventTypes { get; }
+    protected IKafkaMessageConsumer Consumer { get; private set; } = default!;
+
+
+    public CustomKafkaDistributedEventBus(IServiceScopeFactory serviceScopeFactory, 
+        ICurrentTenant currentTenant, 
+        IUnitOfWorkManager unitOfWorkManager,
+        IOptions<AbpDistributedEventBusOptions> abpDistributedEventBusOptions, 
+        IGuidGenerator guidGenerator, 
+        IClock clock, 
+        IEventHandlerInvoker eventHandlerInvoker, 
+        ILocalEventBus localEventBus, 
+        ICorrelationIdProvider correlationIdProvider,
+        IOptions<AbpKafkaEventBusOptions> abpKafkaEventBusOptions,
+        IKafkaMessageConsumerFactory messageConsumerFactory,
+        IKafkaSerializer serializer,
+        IProducerPool producerPool) 
+        : base(serviceScopeFactory, currentTenant, unitOfWorkManager, abpDistributedEventBusOptions, guidGenerator, clock, eventHandlerInvoker, localEventBus, correlationIdProvider)
+    {
+        AbpKafkaEventBusOptions = abpKafkaEventBusOptions.Value;
+        MessageConsumerFactory = messageConsumerFactory;
+        Serializer = serializer;
+        ProducerPool = producerPool;
+        HandlerFactories = new ConcurrentDictionary<Type, List<IEventHandlerFactory>>();
+        EventTypes = new ConcurrentDictionary<string, Type>();
+    }
+
+
+    public void Initialize()
+    {
+        
+        SubscribeHandlers(AbpDistributedEventBusOptions.Handlers);
+    }
+
+    public override IDisposable Subscribe(Type eventType, IEventHandlerFactory factory)
+    {
+        var handlerFactories = GetOrCreateHandlerFactories(eventType);
+
+        if (factory.IsInFactories(handlerFactories))
+        {
+            return NullDisposable.Instance;
+        }
+
+        handlerFactories.Add(factory);
+
+        return new EventHandlerFactoryUnregistrar(this, eventType, factory);
+    }
+
+    public override void Unsubscribe<TEvent>(Func<TEvent, Task> action)
+    {
+        Check.NotNull(action, nameof(action));
+
+        GetOrCreateHandlerFactories(typeof(TEvent))
+            .Locking(factories =>
+            {
+                factories.RemoveAll(
+                    factory =>
+                    {
+                        var singleInstanceFactory = factory as SingleInstanceHandlerFactory;
+                        if (singleInstanceFactory == null)
+                        {
+                            return false;
+                        }
+
+                        var actionHandler = singleInstanceFactory.HandlerInstance as ActionEventHandler<TEvent>;
+                        if (actionHandler == null)
+                        {
+                            return false;
+                        }
+
+                        return actionHandler.Action == action;
+                    });
+            });
+    }
+
+    public override void Unsubscribe(Type eventType, IEventHandler handler)
+    {
+        GetOrCreateHandlerFactories(eventType)
+            .Locking(factories =>
+            {
+                factories.RemoveAll(
+                    factory =>
+                        factory is SingleInstanceHandlerFactory handlerFactory &&
+                        handlerFactory.HandlerInstance == handler
+                );
+            });
+    }
+
+    public override void Unsubscribe(Type eventType, IEventHandlerFactory factory)
+    {
+        GetOrCreateHandlerFactories(eventType).Locking(factories => factories.Remove(factory));
+    }
+
+    public override void UnsubscribeAll(Type eventType)
+    {
+        GetOrCreateHandlerFactories(eventType).Locking(factories => factories.Clear());
+    }
+
+    protected override async Task PublishToEventBusAsync(Type eventType, object eventData)
+    {
+        var headers = new Headers
+        {
+            { "messageId", System.Text.Encoding.UTF8.GetBytes(Guid.NewGuid().ToString("N")) }
+        };
+
+        if (CorrelationIdProvider.Get() != null)
+        {
+            headers.Add(EventBusConsts.CorrelationIdHeaderName, System.Text.Encoding.UTF8.GetBytes(CorrelationIdProvider.Get()!));
+        }
+
+        var topicAttribute = eventType.GetCustomAttribute<TopicNameAttribute>();
+
+        await PublishAsync(
+            topicAttribute==null?AbpKafkaEventBusOptions.TopicName:topicAttribute.Name,
+            eventType,
+            eventData,
+            headers
+        );
+    }
+
+    protected override void AddToUnitOfWork(IUnitOfWork unitOfWork, UnitOfWorkEventRecord eventRecord)
+    {
+        unitOfWork.AddOrReplaceDistributedEvent(eventRecord);
+    }
+
+    protected override IEnumerable<EventTypeWithEventHandlerFactories> GetHandlerFactories(Type eventType)
+    {
+        var handlerFactoryList = new List<EventTypeWithEventHandlerFactories>();
+
+        foreach (var handlerFactory in HandlerFactories.Where(hf => ShouldTriggerEventForHandler(eventType, hf.Key)))
+        {
+            handlerFactoryList.Add(
+                new EventTypeWithEventHandlerFactories(handlerFactory.Key, handlerFactory.Value));
+        }
+
+        return handlerFactoryList.ToArray();
+    }
+
+    public override Task PublishFromOutboxAsync(OutgoingEventInfo outgoingEvent, OutboxConfig outboxConfig)
+    {
+        throw new NotImplementedException();
+    }
+
+    public override Task PublishManyFromOutboxAsync(IEnumerable<OutgoingEventInfo> outgoingEvents, OutboxConfig outboxConfig)
+    {
+        throw new NotImplementedException();
+    }
+
+    public override Task ProcessFromInboxAsync(IncomingEventInfo incomingEvent, InboxConfig inboxConfig)
+    {
+        throw new NotImplementedException();
+    }
+
+    protected override byte[] Serialize(object eventData)
+    {
+        return Serializer.Serialize(eventData);
+    }
+
+    private List<IEventHandlerFactory> GetOrCreateHandlerFactories(Type eventType)
+    {
+        return HandlerFactories.GetOrAdd(
+            eventType,
+            type =>
+            {
+                var eventName = EventNameAttribute.GetNameOrDefault(type);
+                EventTypes.GetOrAdd(eventName, eventType);
+                return new List<IEventHandlerFactory>();
+            }
+        );
+    }
+
+    private Task PublishAsync(string topicName, Type eventType, object eventData, Headers headers)
+    {
+        var eventName = EventNameAttribute.GetNameOrDefault(eventType);
+        var body = Serializer.Serialize(eventData);
+
+        return PublishAsync(topicName, eventName, body, headers);
+    }
+
+    private Task<DeliveryResult<string, byte[]>> PublishAsync(
+        string topicName,
+        string eventName,
+        byte[] body,
+        Headers headers)
+    {
+        var producer = ProducerPool.Get(AbpKafkaEventBusOptions.ConnectionName);
+
+        return producer.ProduceAsync(
+            topicName,
+            new Message<string, byte[]>
+            {
+                Key = eventName,
+                Value = body,
+                Headers = headers
+            });
+    }
+
+    private static bool ShouldTriggerEventForHandler(Type targetEventType, Type handlerEventType)
+    {
+        //Should trigger same type
+        if (handlerEventType == targetEventType)
+        {
+            return true;
+        }
+
+        //Should trigger for inherited types
+        if (handlerEventType.IsAssignableFrom(targetEventType))
+        {
+            return true;
+        }
+
+        return false;
+    }
+}

src/JiShe.CollectBus.Application/Handlers/SampleHandler.cs

@@ -0,0 +1,46 @@
+using JiShe.CollectBus.Samples;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.EventBus.Distributed;
+
+namespace JiShe.CollectBus.Handlers
+{
+    public class SampleHandler : IDistributedEventHandler<SampleDto>,
+        ITransientDependency
+    {
+
+        private readonly ILogger<SampleHandler> _logger;
+
+        public SampleHandler(ILogger<SampleHandler> logger)
+        {
+            _logger = logger;
+        }
+
+        public async Task HandleEventAsync(SampleDto eventData)
+        {
+            _logger.LogWarning($"topic Test1 message: {eventData.Value.ToString()}");
+        }
+    }
+
+    public class SampleHandler2 : IDistributedEventHandler<SampleDto2>,
+        ITransientDependency
+    {
+
+        private readonly ILogger<SampleHandler2> _logger;
+
+        public SampleHandler2(ILogger<SampleHandler2> logger)
+        {
+            _logger = logger;
+        }
+
+        public async Task HandleEventAsync(SampleDto2 eventData)
+        {
+            _logger.LogWarning($"topic Test2 message: {eventData.Value.ToString()}");
+        }
+    }
+}

src/JiShe.CollectBus.Application/JiShe.CollectBus.Application.csproj

@@ -24,6 +24,7 @@
 		<PackageReference Include="TouchSocket" Version="3.0.19" />
     <PackageReference Include="TouchSocket.Hosting" Version="3.0.19" />
     <PackageReference Include="DotNetCore.CAP" Version="8.3.1" />
+    <PackageReference Include="Volo.Abp.EventBus.Kafka" Version="8.3.3" />
 
 		<ProjectReference Include="..\JiShe.CollectBus.Application.Contracts\JiShe.CollectBus.Application.Contracts.csproj" />
     <ProjectReference Include="..\JiShe.CollectBus.FreeRedisProvider\JiShe.CollectBus.FreeRedisProvider.csproj" />

src/JiShe.CollectBus.Common/Attributes/TopicNameAttribute.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Volo.Abp.EventBus;
+using Volo.Abp;
+
+namespace JiShe.CollectBus.Common.Attributes
+{
+    [AttributeUsage(AttributeTargets.Class, Inherited = false)]
+    public class TopicNameAttribute : Attribute
+    {
+        public virtual string Name { get; }
+
+        public TopicNameAttribute(string name)
+        {
+            this.Name = Check.NotNullOrWhiteSpace(name, nameof(name));
+        }
+
+        public string GetName(Type eventType) => this.Name;
+    }
+}

src/JiShe.CollectBus.KafkaProducer/AdminClient/AdminClientService.cs

@@ -0,0 +1,111 @@
+using Confluent.Kafka;
+using Microsoft.Extensions.Configuration;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Confluent.Kafka.Admin;
+using Microsoft.Extensions.Logging;
+using Volo.Abp.DependencyInjection;
+
+namespace JiShe.CollectBus.Kafka.AdminClient
+{
+    public class AdminClientService : IAdminClientService, ISingletonDependency
+    {
+
+        private readonly ILogger<AdminClientService> _logger;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AdminClientService"/> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        /// <param name="logger">The logger.</param>
+        public AdminClientService(IConfiguration configuration, ILogger<AdminClientService> logger)
+        {
+            _logger = logger;
+            GetInstance(configuration);
+        }
+
+        /// <summary>
+        /// Gets or sets the instance.
+        /// </summary>
+        /// <value>
+        /// The instance.
+        /// </value>
+        public IAdminClient Instance { get; set; } = default;
+
+        /// <summary>
+        /// Gets the instance.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        /// <returns></returns>
+        public IAdminClient GetInstance(IConfiguration configuration)
+        {
+            var enableAuthorization = bool.Parse(configuration["Kafka:EnableAuthorization"]);
+            var adminClientConfig = new AdminClientConfig()
+            {
+                BootstrapServers = configuration["Kafka:BootstrapServers"],
+            };
+            if (enableAuthorization)
+            {
+                adminClientConfig.SecurityProtocol = SecurityProtocol.SaslPlaintext;
+                adminClientConfig.SaslMechanism = SaslMechanism.Plain;
+                adminClientConfig.SaslUsername = configuration["Kafka:SaslUserName"];
+                adminClientConfig.SaslPassword = configuration["Kafka:SaslPassword"];
+            }
+            Instance = new AdminClientBuilder(adminClientConfig).Build();
+            return Instance;
+        }
+
+        /// <summary>
+        /// Checks the topic asynchronous.
+        /// </summary>
+        /// <param name="topic">The topic.</param>
+        /// <returns></returns>
+        public async Task<bool> CheckTopicAsync(string topic)
+        {
+            var metadata = Instance.GetMetadata(TimeSpan.FromSeconds(5));
+            return await Task.FromResult(metadata.Topics.Exists(a => a.Topic == topic));
+        }
+
+        /// <summary>
+        /// Creates the topic if not exist asynchronous.
+        /// </summary>
+        /// <param name="topicName">Name of the topic.</param>
+        /// <param name="factorNum">The factor number.</param>
+        /// <param name="partitionNum">The partition number.</param>
+        public async Task CreateTopicIfNotExistAsync(string topicName, short factorNum, int partitionNum)
+        {
+            try
+            {
+                if (await CheckTopicAsync(topicName)) return;
+
+                await Instance.CreateTopicsAsync(new[]
+                {
+                    new TopicSpecification { Name = topicName, ReplicationFactor = factorNum, NumPartitions = partitionNum }
+                });
+            }
+            catch (CreateTopicsException e)
+            {
+                _logger.LogError($"An error occured creating topic {e.Results[0].Topic}: {e.Results[0].Error.Reason}");
+            }
+        }
+
+        /// <summary>
+        /// Deletes the topic asynchronous.
+        /// </summary>
+        /// <param name="topicName">Name of the topic.</param>
+        public async Task DeleteTopicAsync(List<string> topicName)
+        {
+            try
+            {
+                await Instance.DeleteTopicsAsync(topicName, null);
+            }
+            catch (DeleteTopicsException e)
+            {
+                _logger.LogError($"An error occured creating topic {e.Results[0].Topic}: {e.Results[0].Error.Reason}");
+            }
+        }
+    }
+}

src/JiShe.CollectBus.KafkaProducer/AdminClient/IAdminClientService.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Kafka.AdminClient
+{
+    public interface IAdminClientService
+    {
+        /// <summary>
+        /// Checks the topic asynchronous.
+        /// </summary>
+        /// <param name="topic">The topic.</param>
+        /// <returns></returns>
+        Task<bool> CheckTopicAsync(string topic);
+
+        /// <summary>
+        /// Creates the topic if not exist asynchronous.
+        /// </summary>
+        /// <param name="topicName">Name of the topic.</param>
+        /// <param name="factorNum">The factor number.</param>
+        /// <param name="partitionNum">The partition number.</param>
+        /// <returns></returns>
+        Task CreateTopicIfNotExistAsync(string topicName, short factorNum, int partitionNum);
+
+        /// <summary>
+        /// Deletes the topic asynchronous.
+        /// </summary>
+        /// <param name="topicName">Name of the topic.</param>
+        /// <returns></returns>
+        Task DeleteTopicAsync(List<string> topicName);
+    }
+}

src/JiShe.CollectBus.KafkaProducer/Attributes/TopicAttribute.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Kafka.Attributes
+{
+    [AttributeUsage(AttributeTargets.Class, Inherited = false)]
+    public class TopicAttribute: Attribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="TopicAttribute"/> class.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        public TopicAttribute(string name = "Default")
+        {
+            Name = name;
+        }
+
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <value>
+        /// The name.
+        /// </value>
+        public string Name { get; set; }
+    }
+}

src/JiShe.CollectBus.KafkaProducer/CollectBusKafkaModule.cs

@@ -1,4 +1,8 @@
-using Volo.Abp.Modularity;
+using Confluent.Kafka;
+using JiShe.CollectBus.Kafka.Consumer;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Modularity;
 
 namespace JiShe.CollectBus.Kafka
 {
@@ -6,6 +10,16 @@ namespace JiShe.CollectBus.Kafka
     {
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
+            var configuration = context.Services.GetConfiguration();
+
+            // 注册 Kafka 生产者
+            context.Services.AddSingleton<IProducer<string, string>>(sp =>
+                new ProducerBuilder<string, string>(
+                        configuration.GetSection("Kafka:ProducerConfig").Get<ProducerConfig>()
+                    )
+                    .Build());
+            // 注册后台服务
+            context.Services.AddHostedService<ConsumerBackgroundService>();
         }
     }
 }

src/JiShe.CollectBus.KafkaProducer/Consumer/ConsumerBackgroundService.cs

@@ -0,0 +1,54 @@
+using Confluent.Kafka;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Kafka.Consumer
+{
+    public class ConsumerBackgroundService : BackgroundService
+    {
+        private readonly ConsumerService _consumerService;
+        private readonly ILogger<ConsumerBackgroundService> _logger;
+
+        public ConsumerBackgroundService(
+            ConsumerService consumerService,
+            ILogger<ConsumerBackgroundService> logger)
+        {
+            _consumerService = consumerService;
+            _logger = logger;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            _consumerService.Subscribe("abp-kafka-topic");
+
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                try
+                {
+                    var result = _consumerService.Consume(stoppingToken);
+                    await ProcessMessageAsync(result.Message.Value);
+                    _consumerService.Commit(result);
+                }
+                catch (ConsumeException ex)
+                {
+                    _logger.LogError(ex, $"Message consume error: {ex.Error.Reason}");
+                }
+            }
+        }
+
+        private async Task ProcessMessageAsync(string message)
+        {
+            // 使用 ABP 的异步处理机制
+            await Task.Run(() =>
+            {
+                _logger.LogInformation($"Processing message: {message}");
+                // 这里可以触发 ABP 的领域事件
+            });
+        }
+    }
+}

src/JiShe.CollectBus.KafkaProducer/Consumer/ConsumerService.cs

@@ -0,0 +1,58 @@
+using Confluent.Kafka;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using JiShe.CollectBus.Kafka.Attributes;
+using Volo.Abp.DependencyInjection;
+using JiShe.CollectBus.Kafka.AdminClient;
+
+namespace JiShe.CollectBus.Kafka.Consumer
+{
+    public abstract class ConsumerService : IConsumerService, IDisposable, ISingletonDependency
+    {
+        private readonly ILogger<ConsumerService> _logger;
+        private readonly IConsumer<string, string> _consumer;
+
+        public ConsumerService(
+            ILogger<ConsumerService> logger,
+            IConfiguration configuration)
+        {
+            _logger = logger;
+
+            var consumerConfig = configuration.GetSection("Kafka:ConsumerConfig")
+                .Get<ConsumerConfig>();
+
+            _consumer = new ConsumerBuilder<string, string>(consumerConfig)
+                .SetErrorHandler(OnConsumeError)
+                .Build();
+        }
+
+        public void Subscribe(string topic)
+        {
+            _consumer.Subscribe(topic);
+            _logger.LogInformation($"Subscribed to topic: {topic}");
+        }
+
+        public ConsumeResult<string, string> Consume(CancellationToken cancellationToken)
+        {
+            return _consumer.Consume(cancellationToken);
+        }
+
+        public void Commit(ConsumeResult<string, string> result)
+        {
+            _consumer.Commit(result);
+            _logger.LogDebug($"Committed offset: {result.TopicPartitionOffset}");
+        }
+
+        private void OnConsumeError(IConsumer<string, string> consumer, Error error)
+        {
+            _logger.LogError($"Kafka consumer error: {error.Reason}");
+        }
+
+        public void Dispose()
+        {
+            _consumer?.Close();
+            _consumer?.Dispose();
+        }
+    }
+}

src/JiShe.CollectBus.KafkaProducer/Consumer/IConsumerService.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Kafka.Consumer
+{
+    public interface IConsumerService
+    {
+    }
+}

src/JiShe.CollectBus.KafkaProducer/ConsumerService.cs

@@ -1,58 +0,0 @@
-using Confluent.Kafka;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace JiShe.CollectBus.Kafka
-{
-    public abstract class ConsumerService<T> : BackgroundService
-    {
-        private readonly IConsumer<Ignore, T> _consumer;
-
-        private readonly ILogger<ConsumerService<T>> _logger;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="ConsumerService{T}"/> class.
-        /// </summary>
-        /// <param name="configuration">The configuration.</param>
-        /// <param name="consumer">The consumer.</param>
-        /// <param name="logger">The logger.</param>
-        protected ConsumerService(IConfiguration configuration, IConsumer<Ignore, T> consumer, ILogger<ConsumerService<T>> logger)
-        {
-            _consumer = consumer;
-            _logger = logger;
-            var consumerConfig = new ConsumerConfig
-            {
-                BootstrapServers = configuration["Kafka:BootstrapServers"],
-                GroupId = "InventoryConsumerGroup",
-                AutoOffsetReset = AutoOffsetReset.Earliest
-            };
-
-            _consumer = new ConsumerBuilder<Ignore, T>(consumerConfig).Build();
-        }
-
-        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
-        {
-            _consumer.Subscribe("InventoryUpdates");
-
-            while (!stoppingToken.IsCancellationRequested)
-            {
-
-                var consumeResult = _consumer.Consume(stoppingToken);
-
-                var message = consumeResult.Message.Value;
-
-                await ProcessMessageAsync(consumeResult);
-            }
-
-            _consumer.Close();
-            await Task.CompletedTask;
-        }
-        protected abstract Task ProcessMessageAsync(ConsumeResult<Ignore, T> consumer);
-    }
-}

src/JiShe.CollectBus.KafkaProducer/JiShe.CollectBus.Kafka.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Confluent.Kafka" Version="2.9.0" />
-    <PackageReference Include="Volo.Abp.Core" Version="8.3.3" />
+    <PackageReference Include="Volo.Abp" Version="8.3.3" />
   </ItemGroup>
 
 </Project>

src/JiShe.CollectBus.KafkaProducer/Producer/IProducerService.cs

@@ -0,0 +1,14 @@
+using Confluent.Kafka;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JiShe.CollectBus.Kafka.Producer
+{
+    public interface IProducerService
+    {
+        Task ProduceAsync(string topic, string message);
+    }
+}

src/JiShe.CollectBus.KafkaProducer/Producer/ProducerBaseService.cs

@@ -0,0 +1,64 @@
+using Confluent.Kafka;
+using Microsoft.Extensions.Configuration;
+using Volo.Abp.DependencyInjection;
+
+namespace JiShe.CollectBus.Kafka.Producer
+{
+    public class ProducerBaseService<TKey, TValue>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ProducerBaseService{TKey, TValue}"/> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        public ProducerBaseService(IConfiguration configuration)
+        {
+            GetInstance(configuration);
+        }
+
+        /// <summary>
+        /// Gets or sets the instance.
+        /// </summary>
+        /// <value>
+        /// The instance.
+        /// </value>
+        public IProducer<TKey, TValue> Instance { get; set; } = default;
+
+        /// <summary>
+        /// Gets the instance.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        /// <returns></returns>
+        public IProducer<TKey, TValue> GetInstance(IConfiguration configuration)
+        {
+            var enableAuthorization = bool.Parse(configuration["Kafka:EnableAuthorization"]);
+            var producerConfig = new ProducerConfig
+            {
+                BootstrapServers = configuration["Kafka:BootstrapServers"],
+                AllowAutoCreateTopics = true,
+            };
+
+            if (enableAuthorization)
+            {
+                producerConfig.SecurityProtocol = SecurityProtocol.SaslPlaintext;
+                producerConfig.SaslMechanism = SaslMechanism.Plain;
+                producerConfig.SaslUsername = configuration["Kafka:SaslUserName"];
+                producerConfig.SaslPassword = configuration["Kafka:SaslPassword"];
+            }
+            Instance = new ProducerBuilder<TKey, TValue>(producerConfig).Build();
+            return Instance;
+        }
+
+        /// <summary>
+        /// Produces the asynchronous.
+        /// </summary>
+        /// <param name="topic">The topic.</param>
+        /// <param name="message">The message.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        public async Task ProduceAsync(string topic, Message<TKey, TValue> message, CancellationToken cancellationToken = default)
+        {
+            await Instance.ProduceAsync(topic, message, cancellationToken);
+        }
+
+
+    }
+}

src/JiShe.CollectBus.KafkaProducer/Producer/ProducerService.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Confluent.Kafka;
+using Microsoft.Extensions.Configuration;
+using Volo.Abp.DependencyInjection;
+
+namespace JiShe.CollectBus.Kafka.Producer
+{
+    public class ProducerService: IProducerService,ITransientDependency
+    {
+
+        private readonly IProducer<string, string> _producer;
+
+        public ProducerService(IProducer<string, string> producer)
+        {
+            _producer = producer;
+        }
+
+        public async Task ProduceAsync(string topic, string message)
+        {
+            await _producer.ProduceAsync(topic, new Message<string, string>
+            {
+                Key = null,
+                Value = message
+            });
+        }
+    }
+}

src/JiShe.CollectBus.KafkaProducer/ProducerService.cs

@@ -1,28 +0,0 @@
-using Confluent.Kafka;
-using Microsoft.Extensions.Configuration;
-using Volo.Abp.DependencyInjection;
-
-namespace JiShe.CollectBus.Kafka
-{
-    public class ProducerService<T> : ITransientDependency
-    {
-        private readonly IProducer<Ignore, T> _producer;
-
-        public ProducerService(IConfiguration configuration)
-        {
-            var producerConfig = new ProducerConfig
-            {
-                BootstrapServers = configuration["Kafka:BootstrapServers"]
-            };
-
-            _producer = new ProducerBuilder<Ignore, T>(producerConfig).Build();
-        }
-
-        public async Task ProduceAsync(string topic, T message)
-        {
-            var msg = new Message<Ignore, T> { Value = message };
-
-            await _producer.ProduceAsync(topic, msg);
-        }
-    }
-}