590 lines
27 KiB
C#
590 lines
27 KiB
C#
using Confluent.Kafka;
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using JiShe.CollectBus.Common;
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using JiShe.CollectBus.Common.Consts;
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using JiShe.CollectBus.Kafka.Internal;
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using JiShe.CollectBus.Kafka.Serialization;
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using Microsoft.AspNetCore.DataProtection.KeyManagement;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using System.Collections.Concurrent;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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namespace JiShe.CollectBus.Kafka.Consumer
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{
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public class ConsumerService : IConsumerService, IDisposable
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{
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private readonly ILogger<ConsumerService> _logger;
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/// <summary>
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/// 消费者存储
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/// Key 格式：{groupId}_{topic}_{TKey}_{TValue}
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/// </summary>
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private readonly ConcurrentDictionary<string, (object Consumer, CancellationTokenSource CTS)>
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_consumerStore = new();
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/// <summary>
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/// 消费完或者无数据时的延迟时间
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/// </summary>
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private TimeSpan DelayTime => TimeSpan.FromMilliseconds(100);
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private readonly KafkaOptionConfig _kafkaOptionConfig;
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private readonly ServerApplicationOptions _applicationOptions;
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private readonly KafkaPollyPipeline _kafkaPollyPipeline;
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/// <summary>
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/// ConsumerService
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/// </summary>
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/// <param name="logger"></param>
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/// <param name="kafkaOptionConfig"></param>
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public ConsumerService(ILogger<ConsumerService> logger, IOptions<KafkaOptionConfig> kafkaOptionConfig, KafkaPollyPipeline kafkaPollyPipeline, IOptions<ServerApplicationOptions> applicationOptions)
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{
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_logger = logger;
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_kafkaOptionConfig = kafkaOptionConfig.Value;
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_applicationOptions = applicationOptions.Value;
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_kafkaPollyPipeline = kafkaPollyPipeline;
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}
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#region private 私有方法
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/// <summary>
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/// 创建消费者
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/// </summary>
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/// <typeparam name="TKey"></typeparam>
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/// <typeparam name="TValue"></typeparam>
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/// <returns></returns>
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private IConsumer<TKey, TValue> CreateConsumer<TKey, TValue>(string? groupId = null) where TKey : notnull where TValue : class
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{
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var config = BuildConsumerConfig(groupId);
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return new ConsumerBuilder<TKey, TValue>(config)
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.SetValueDeserializer(new JsonSerializer<TValue>())
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.SetLogHandler((_, log) => _logger.LogInformation($"消费者Log: {log.Message}"))
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.SetErrorHandler((_, e) => _logger.LogError($"消费者错误: {e.Reason}"))
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.Build();
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}
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private ConsumerConfig BuildConsumerConfig(string? groupId = null)
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{
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var config = new ConsumerConfig
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{
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BootstrapServers = _kafkaOptionConfig.BootstrapServers,
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GroupId = groupId ?? _applicationOptions.ServerTagName,
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AutoOffsetReset = AutoOffsetReset.Earliest,
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EnableAutoCommit = false, // 禁止AutoCommit
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EnablePartitionEof = true, // 启用分区末尾标记
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//AllowAutoCreateTopics = true, // 启用自动创建
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FetchMaxBytes = 1024 * 1024 * 50 // 增加拉取大小（50MB）
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};
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if (_kafkaOptionConfig.EnableAuthorization)
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{
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config.SecurityProtocol = _kafkaOptionConfig.SecurityProtocol;
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config.SaslMechanism = _kafkaOptionConfig.SaslMechanism;
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config.SaslUsername = _kafkaOptionConfig.SaslUserName;
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config.SaslPassword = _kafkaOptionConfig.SaslPassword;
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}
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return config;
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}
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#endregion
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/// <summary>
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/// 订阅消息
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/// </summary>
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/// <typeparam name="TKey"></typeparam>
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/// <typeparam name="TValue"></typeparam>
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/// <param name="topic"></param>
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/// <param name="messageHandler"></param>
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/// <returns></returns>
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public async Task SubscribeAsync<TKey, TValue>(string topic, Func<TKey, TValue, Task<bool>> messageHandler, string? groupId = null) where TKey : notnull where TValue : class
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{
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await SubscribeAsync<TKey, TValue>(new[] { topic }, messageHandler, groupId);
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}
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/// <summary>
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/// 订阅消息
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/// </summary>
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/// <typeparam name="TValue"></typeparam>
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/// <param name="topic"></param>
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/// <param name="messageHandler"></param>
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/// <returns></returns>
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public async Task SubscribeAsync<TValue>(string topic, Func<TValue, Task<bool>> messageHandler, string? groupId = null) where TValue : class
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{
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await SubscribeAsync<TValue>(new[] { topic }, messageHandler, groupId);
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}
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/// <summary>
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/// 订阅消息
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/// </summary>
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/// <typeparam name="TKey"></typeparam>
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/// <typeparam name="TValue"></typeparam>
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/// <param name="topics"></param>
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/// <param name="messageHandler"></param>
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/// <returns></returns>
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public async Task SubscribeAsync<TKey, TValue>(string[] topics, Func<TKey, TValue, Task<bool>> messageHandler, string? groupId = null) where TKey : notnull where TValue : class
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{
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await _kafkaPollyPipeline.KafkaPipeline.ExecuteAsync(async token =>
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{
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var consumerKey = $"{groupId}_{string.Join("_", topics)}_{typeof(TKey).Name}_{typeof(TValue).Name}";
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var cts = new CancellationTokenSource();
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var consumer = _consumerStore.GetOrAdd(consumerKey, _ =>
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(
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CreateConsumer<TKey, TValue>(groupId),
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cts
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)).Consumer as IConsumer<TKey, TValue>;
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consumer!.Subscribe(topics);
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_ = Task.Run(async () =>
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{
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while (!cts.IsCancellationRequested)
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{
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try
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{
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//_logger.LogInformation($"Kafka消费: {string.Join("", topics)} 开始拉取消息....");
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var result = consumer.Consume(cts.Token);
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if (result == null || result.Message == null || result.Message.Value == null)
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{
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await Task.Delay(DelayTime, cts.Token);
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continue;
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}
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if (result.IsPartitionEOF)
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{
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#if DEBUG
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_logger.LogInformation("Kafka消费: {Topic} 分区 {Partition} 已消费完", result.Topic, result.Partition);
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#endif
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await Task.Delay(DelayTime, cts.Token);
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continue;
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}
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if (_kafkaOptionConfig.EnableFilter)
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{
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var headersFilter = new HeadersFilter { { "route-key", Encoding.UTF8.GetBytes(_applicationOptions.ServerTagName) } };
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// 检查 Header 是否符合条件
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if (!headersFilter.Match(result.Message.Headers))
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{
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//consumer.Commit(result); // 提交偏移量
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// 跳过消息
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continue;
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}
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}
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bool sucess = await messageHandler(result.Message.Key, result.Message.Value);
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if (sucess)
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consumer.Commit(result); // 手动提交
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}
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catch (ConsumeException ex) when (KafkaPollyPipeline.IsRecoverableError(ex))
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{
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_logger.LogError(ex, $"{string.Join("、", topics)}消息消费失败: {ex.Error.Reason}");
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throw; // 抛出异常，以便重试
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}
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catch (OperationCanceledException)
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{
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//ignore
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "处理消息时发生未知错误");
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}
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}
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}, cts.Token);
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await Task.CompletedTask;
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});
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}
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/// <summary>
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/// 订阅消息
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/// </summary>
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/// <typeparam name="TValue"></typeparam>
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/// <param name="topics"></param>
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/// <param name="messageHandler"></param>
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/// <param name="groupId"></param>
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/// <returns></returns>
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public async Task SubscribeAsync<TValue>(string[] topics, Func<TValue, Task<bool>> messageHandler, string? groupId) where TValue : class
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{
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await _kafkaPollyPipeline.KafkaPipeline.ExecuteAsync(async token =>
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{
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var consumerKey = $"{groupId}_{string.Join("_", topics)}_{typeof(Ignore).Name}_{typeof(TValue).Name}";
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var cts = new CancellationTokenSource();
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var consumer = _consumerStore.GetOrAdd(consumerKey, _ =>
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(
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CreateConsumer<Ignore, TValue>(groupId),
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cts
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)).Consumer as IConsumer<Ignore, TValue>;
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consumer!.Subscribe(topics);
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_ = Task.Run(async () =>
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{
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int count = 0;
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while (!cts.IsCancellationRequested)
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{
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try
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{
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//_logger.LogInformation($"Kafka消费: {string.Join("", topics)}_{count} 开始拉取消息....");
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count++;
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var result = consumer.Consume(cts.Token);
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if (result == null || result.Message == null || result.Message.Value == null)
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{
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await Task.Delay(DelayTime, cts.Token);
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continue;
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}
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if (result.IsPartitionEOF)
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{
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#if DEBUG
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_logger.LogInformation("Kafka消费: {Topic} 分区 {Partition} 已消费完", result.Topic, result.Partition);
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#endif
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await Task.Delay(DelayTime, cts.Token);
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continue;
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}
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if (_kafkaOptionConfig.EnableFilter)
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{
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var headersFilter = new HeadersFilter { { "route-key", Encoding.UTF8.GetBytes(_applicationOptions.ServerTagName) } };
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// 检查 Header 是否符合条件
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if (!headersFilter.Match(result.Message.Headers))
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{
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//consumer.Commit(result); // 提交偏移量
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// 跳过消息
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continue;
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}
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}
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bool sucess = await messageHandler(result.Message.Value);
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if (sucess)
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consumer.Commit(result); // 手动提交
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//else
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// consumer.StoreOffset(result);
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}
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catch (ConsumeException ex) when (KafkaPollyPipeline.IsRecoverableError(ex))
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{
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_logger.LogError(ex, $"{string.Join("、", topics)}消息消费失败: {ex.Error.Reason}");
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throw; // 抛出异常，以便重试
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}
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catch (OperationCanceledException)
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{
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//ignore
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "处理消息时发生未知错误");
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}
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}
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}, cts.Token);
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await Task.CompletedTask;
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});
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}
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/// <summary>
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/// 批量订阅消息
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/// </summary>
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/// <typeparam name="TKey">消息Key类型</typeparam>
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/// <typeparam name="TValue">消息Value类型</typeparam>
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/// <param name="topic">主题</param>
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/// <param name="messageBatchHandler">批量消息处理函数</param>
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/// <param name="groupId">消费组ID</param>
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/// <param name="batchSize">批次大小</param>
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/// <param name="batchTimeout">批次超时时间</param>
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public async Task SubscribeBatchAsync<TKey, TValue>(string topic, Func<List<TValue>, Task<bool>> messageBatchHandler, string? groupId = null, int batchSize = 100, TimeSpan? batchTimeout = null) where TKey : notnull where TValue : class
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{
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await SubscribeBatchAsync<TKey, TValue>(new[] { topic }, messageBatchHandler, groupId, batchSize, batchTimeout);
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}
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/// <summary>
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/// 批量订阅消息
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/// </summary>
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/// <typeparam name="TKey">消息Key类型</typeparam>
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/// <typeparam name="TValue">消息Value类型</typeparam>
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/// <param name="topics">主题列表</param>
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/// <param name="messageBatchHandler">批量消息处理函数</param>
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/// <param name="groupId">消费组ID</param>
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/// <param name="batchSize">批次大小</param>
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/// <param name="batchTimeout">批次超时时间</param>
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public async Task SubscribeBatchAsync<TKey, TValue>(string[] topics, Func<List<TValue>, Task<bool>> messageBatchHandler, string? groupId = null, int batchSize = 100, TimeSpan? batchTimeout = null) where TKey : notnull where TValue : class
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{
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await _kafkaPollyPipeline.KafkaPipeline.ExecuteAsync(async token =>
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{
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var consumerKey = $"{groupId}_{string.Join("_", topics)}_{typeof(TKey).Name}_{typeof(TValue).Name}";
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var cts = new CancellationTokenSource();
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var consumer = _consumerStore.GetOrAdd(consumerKey, _ =>
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(
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CreateConsumer<TKey, TValue>(groupId),
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cts
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)).Consumer as IConsumer<TKey, TValue>;
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consumer!.Subscribe(topics);
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var timeout = batchTimeout ?? TimeSpan.FromSeconds(5); // 默认超时时间调整为5秒
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_ = Task.Run(async () =>
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{
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var messages = new List<(TValue Value, TopicPartitionOffset Offset)>();
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var startTime = DateTime.UtcNow;
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while (!cts.IsCancellationRequested)
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{
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try
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{
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// 非阻塞快速累积消息
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while (messages.Count < batchSize && (DateTime.UtcNow - startTime) < timeout)
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{
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var result = consumer.Consume(TimeSpan.Zero); // 非阻塞调用
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if (result != null)
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{
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if (result.IsPartitionEOF)
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{
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#if DEBUG
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_logger.LogInformation("Kafka消费: {Topic} 分区 {Partition} 已消费完", result.Topic, result.Partition);
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#endif
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await Task.Delay(DelayTime, cts.Token);
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}
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else if (result.Message.Value != null)
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{
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if (_kafkaOptionConfig.EnableFilter)
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{
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var headersFilter = new HeadersFilter { { "route-key", Encoding.UTF8.GetBytes(_applicationOptions.ServerTagName) } };
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// 检查 Header 是否符合条件
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if (!headersFilter.Match(result.Message.Headers))
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{
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//consumer.Commit(result); // 提交偏移量
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// 跳过消息
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continue;
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}
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}
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messages.Add((result.Message.Value, result.TopicPartitionOffset));
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}
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}
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else
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{
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// 无消息时短暂等待
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await Task.Delay(DelayTime, cts.Token);
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}
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}
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// 处理批次
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if (messages.Count > 0)
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{
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bool success = await messageBatchHandler(messages.Select(m => m.Value).ToList());
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if (success)
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{
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var offsetsByPartition = new Dictionary<TopicPartition, long>();
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foreach (var msg in messages)
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{
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var tp = msg.Offset.TopicPartition;
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var offset = msg.Offset.Offset;
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if (!offsetsByPartition.TryGetValue(tp, out var currentMax) || offset > currentMax)
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{
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offsetsByPartition[tp] = offset;
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}
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}
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var offsetsToCommit = offsetsByPartition
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.Select(kv => new TopicPartitionOffset(kv.Key, new Offset(kv.Value + 1)))
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.ToList();
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consumer.Commit(offsetsToCommit);
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}
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messages.Clear();
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}
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startTime = DateTime.UtcNow;
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}
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catch (ConsumeException ex) when (KafkaPollyPipeline.IsRecoverableError(ex))
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{
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_logger.LogError(ex, $"{string.Join("、", topics)} 消息消费失败: {ex.Error.Reason}");
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throw; // 抛出异常，以便重试
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}
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catch (OperationCanceledException)
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{
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//ignore
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "处理批量消息时发生未知错误");
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}
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}
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}, cts.Token);
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await Task.CompletedTask;
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});
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}
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/// <summary>
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/// 批量订阅消息
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/// </summary>
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/// <typeparam name="TValue">消息Value类型</typeparam>
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/// <param name="topic">主题列表</param>
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/// <param name="messageBatchHandler">批量消息处理函数</param>
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/// <param name="groupId">消费组ID</param>
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/// <param name="batchSize">批次大小</param>
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/// <param name="batchTimeout">批次超时时间</param>
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/// <param name="consumeTimeout">消费等待时间</param>
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public async Task SubscribeBatchAsync<TValue>(string topic, Func<List<TValue>, Task<bool>> messageBatchHandler, string? groupId = null, int batchSize = 100, TimeSpan? batchTimeout = null, TimeSpan? consumeTimeout = null) where TValue : class
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{
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await SubscribeBatchAsync(new[] { topic }, messageBatchHandler, groupId, batchSize, batchTimeout, consumeTimeout);
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}
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/// <summary>
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/// 批量订阅消息
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/// </summary>
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/// <typeparam name="TValue">消息Value类型</typeparam>
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/// <param name="topics">主题列表</param>
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/// <param name="messageBatchHandler">批量消息处理函数</param>
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/// <param name="groupId">消费组ID</param>
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/// <param name="batchSize">批次大小</param>
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/// <param name="batchTimeout">批次超时时间</param>
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/// <param name="consumeTimeout">消费等待时间</param>
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public async Task SubscribeBatchAsync<TValue>(string[] topics, Func<List<TValue>, Task<bool>> messageBatchHandler, string? groupId = null, int batchSize = 100, TimeSpan? batchTimeout = null, TimeSpan? consumeTimeout = null) where TValue : class
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{
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await _kafkaPollyPipeline.KafkaPipeline.ExecuteAsync(async token =>
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{
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var consumerKey = $"{groupId}_{string.Join("_", topics)}_{typeof(Ignore).Name}_{typeof(TValue).Name}";
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var cts = new CancellationTokenSource();
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var consumer = _consumerStore.GetOrAdd(consumerKey, _ =>
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(
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CreateConsumer<Ignore, TValue>(groupId),
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cts
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)).Consumer as IConsumer<Ignore, TValue>;
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consumer!.Subscribe(topics);
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var timeout = batchTimeout ?? TimeSpan.FromSeconds(5); // 默认超时时间调整为5秒
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_ = Task.Run(async () =>
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{
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var messages = new List<(TValue Value, TopicPartitionOffset Offset)>();
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var startTime = DateTime.UtcNow;
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while (!cts.IsCancellationRequested)
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{
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try
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{
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// 非阻塞快速累积消息
|
||
while (messages.Count < batchSize && (DateTime.UtcNow - startTime) < timeout)
|
||
{
|
||
var result = consumer.Consume(TimeSpan.Zero); // 非阻塞调用
|
||
|
||
if (result != null)
|
||
{
|
||
if (result.IsPartitionEOF)
|
||
{
|
||
//_logger.LogInformation("Kafka消费: {Topic} 分区 {Partition} 已消费完", result.Topic, result.Partition);
|
||
await Task.Delay(DelayTime, cts.Token);
|
||
}
|
||
else if (result.Message.Value != null)
|
||
{
|
||
if (_kafkaOptionConfig.EnableFilter)
|
||
{
|
||
var headersFilter = new HeadersFilter { { "route-key", Encoding.UTF8.GetBytes(_applicationOptions.ServerTagName) } };
|
||
// 检查 Header 是否符合条件
|
||
if (!headersFilter.Match(result.Message.Headers))
|
||
{
|
||
//consumer.Commit(result); // 提交偏移量
|
||
// 跳过消息
|
||
continue;
|
||
}
|
||
}
|
||
messages.Add((result.Message.Value, result.TopicPartitionOffset));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 无消息时短暂等待
|
||
await Task.Delay(DelayTime, cts.Token);
|
||
}
|
||
}
|
||
|
||
// 处理批次
|
||
if (messages.Count > 0)
|
||
{
|
||
bool success = await messageBatchHandler(messages.Select(m => m.Value).ToList());
|
||
if (success)
|
||
{
|
||
var offsetsByPartition = new Dictionary<TopicPartition, long>();
|
||
foreach (var msg in messages)
|
||
{
|
||
var tp = msg.Offset.TopicPartition;
|
||
var offset = msg.Offset.Offset;
|
||
if (!offsetsByPartition.TryGetValue(tp, out var currentMax) || offset > currentMax)
|
||
{
|
||
offsetsByPartition[tp] = offset;
|
||
}
|
||
}
|
||
|
||
var offsetsToCommit = offsetsByPartition
|
||
.Select(kv => new TopicPartitionOffset(kv.Key, new Offset(kv.Value + 1)))
|
||
.ToList();
|
||
consumer.Commit(offsetsToCommit);
|
||
}
|
||
messages.Clear();
|
||
}
|
||
|
||
startTime = DateTime.UtcNow;
|
||
}
|
||
catch (ConsumeException ex) when (KafkaPollyPipeline.IsRecoverableError(ex))
|
||
{
|
||
_logger.LogError(ex, $"消息消费失败: {ex.Error.Reason}");
|
||
throw; // 抛出异常，以便重试
|
||
}
|
||
catch (OperationCanceledException)
|
||
{
|
||
//ignore
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
_logger.LogError(ex, "处理批量消息时发生未知错误");
|
||
}
|
||
}
|
||
}, cts.Token);
|
||
|
||
await Task.CompletedTask;
|
||
});
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 取消消息订阅
|
||
/// </summary>
|
||
/// <typeparam name="TKey"></typeparam>
|
||
/// <typeparam name="TValue"></typeparam>
|
||
public void Unsubscribe<TKey, TValue>(string[] topics, string? groupId) where TKey : notnull where TValue : class
|
||
{
|
||
var consumerKey = $"{groupId}_{string.Join("_", topics)}_{typeof(TKey).Name}_{typeof(TValue).Name}";
|
||
if (_consumerStore.TryRemove(consumerKey, out var entry))
|
||
{
|
||
entry.CTS.Cancel();
|
||
(entry.Consumer as IDisposable)?.Dispose();
|
||
entry.CTS.Dispose();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 释放资源
|
||
/// </summary>
|
||
public void Dispose()
|
||
{
|
||
foreach (var entry in _consumerStore.Values)
|
||
{
|
||
entry.CTS.Cancel();
|
||
(entry.Consumer as IDisposable)?.Dispose();
|
||
entry.CTS.Dispose();
|
||
}
|
||
_consumerStore.Clear();
|
||
}
|
||
}
|
||
}
|