2025-12-04 17:39:31 +08:00
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package ragflow
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import (
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"context"
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2025-12-31 16:10:23 +08:00
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"runtime/debug"
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2025-12-10 18:02:31 +08:00
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"strings"
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2026-01-21 10:20:32 +08:00
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"sync"
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2025-12-10 18:02:31 +08:00
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"time"
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2025-12-04 17:39:31 +08:00
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2026-02-24 15:42:36 +08:00
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"gitea.com/red-future/common/redis"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/gogf/gf/v2/os/grpool"
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2025-12-04 17:39:31 +08:00
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)
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2025-12-10 18:02:31 +08:00
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// 默认批量大小(每次从 Redis 读取并发送的消息数)
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const defaultBatchSize = 200
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2025-12-09 09:20:44 +08:00
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2025-12-10 18:02:31 +08:00
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// QueueProcessor Stream 处理器,批量读取消息并发送到 RAGFlow
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type QueueProcessor struct {
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streamKey string // Stream 键名
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groupName string // 消费者组名称
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consumerName string // 消费者名称
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timeout int64 // 阻塞超时时间(毫秒)
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batchSize int64 // 最大并发数(协程池大小)
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stopChan chan struct{} // 停止信号
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pool *grpool.Pool // GoFrame协程池
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handleFunc func(ctx context.Context, message map[string]interface{}) error
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processingMsgs sync.Map // 正在处理的消息ID(去重用)
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}
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2025-12-05 11:44:07 +08:00
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// NewQueueProcessor 创建 Stream 处理器
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func NewQueueProcessor(streamKey, groupName, consumerName string, timeout, batchSize int64, handleFunc func(ctx context.Context, message map[string]interface{}) error) *QueueProcessor {
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// 创建协程池:固定大小,避免频繁创建销毁goroutine
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pool := grpool.New(int(batchSize))
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return &QueueProcessor{
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streamKey: streamKey,
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groupName: groupName,
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consumerName: consumerName,
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timeout: timeout,
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batchSize: batchSize,
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stopChan: make(chan struct{}),
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pool: pool, // 使用GoFrame协程池
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handleFunc: handleFunc,
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}
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}
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// Start 启动 Stream 处理器
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// 削峰填谷:每次读取 batchSize 条消息,并发发送,发完立刻读下一批
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func (q *QueueProcessor) Start(ctx context.Context) error {
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glog.Infof(ctx, "Stream 处理器启动 - Stream: %s, 消费者组: %s, 消费者: %s, 批量大小: %d",
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q.streamKey, q.groupName, q.consumerName, q.batchSize)
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// 确保 Consumer Group 存在(重试直到成功)
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for {
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if err := redis.CreateConsumerGroup(ctx, q.streamKey, q.groupName); err != nil {
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// BUSYGROUP 表示已存在,不是错误
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if strings.Contains(err.Error(), "BUSYGROUP") {
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glog.Debugf(ctx, "Consumer Group 已存在")
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break
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}
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glog.Warningf(ctx, "创建 Consumer Group 失败: %v,1秒后重试", err)
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time.Sleep(time.Second)
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continue
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}
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glog.Infof(ctx, "Consumer Group 创建成功")
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break
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}
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for {
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select {
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case <-q.stopChan:
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glog.Info(ctx, "Stream 处理器收到停止信号")
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return nil
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default:
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// 1. 从 Redis Stream 读取一批消息
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messages, err := redis.ReadFromStream(ctx, q.streamKey, q.groupName, q.consumerName, q.batchSize, q.timeout)
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if err != nil {
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glog.Errorf(ctx, "从 Stream 读取消息失败: %v", err)
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continue
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}
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if len(messages) == 0 {
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continue
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}
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glog.Infof(ctx, "✅ 从Stream读取到 %d 条消息,开始处理", len(messages))
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// 2. 去重+立即ACK:对话场景优先实时性,失败不重试
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for i, msg := range messages {
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m := msg // 捕获循环变量
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msgIndex := i + 1
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// 去重:如果消息正在处理,跳过
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if _, exists := q.processingMsgs.LoadOrStore(m.ID, true); exists {
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glog.Debugf(ctx, "⏭️ 跳过正在处理的消息 - ID: %s", m.ID)
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continue
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}
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// 立即ACK:对话场景不需要重试,避免重复消费
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if err := redis.AckMessage(ctx, q.streamKey, q.groupName, m.ID); err != nil {
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glog.Errorf(ctx, "确认消息失败: %v, 消息ID: %s", err, m.ID)
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}
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glog.Infof(ctx, "📨 准备处理第 %d/%d 条消息 - ID: %s", msgIndex, len(messages), m.ID)
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// 提交到协程池,池满时会阻塞等待空闲worker
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q.pool.Add(ctx, func(ctx context.Context) {
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defer q.processingMsgs.Delete(m.ID) // 处理完成后移除标记
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q.processMessage(ctx, m)
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})
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}
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// 3. 立刻读下一批(不等待,协程池自动控制并发数)
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}
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}
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}
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// processMessage 处理单条消息(异步执行)
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func (q *QueueProcessor) processMessage(ctx context.Context, message redis.StreamMessage) {
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// 捕获panic,防止协程崩溃
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defer func() {
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if r := recover(); r != nil {
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glog.Errorf(ctx, "❌ PANIC: 消息处理发生panic - 消息ID: %s, panic内容: %v\n堆栈:\n%s",
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message.ID, r, debug.Stack())
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}
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}()
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glog.Infof(ctx, "🔄 开始处理消息 - ID: %s", message.ID)
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// 打印实际字段名(调试用)
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var fieldNames []string
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for key := range message.Values {
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fieldNames = append(fieldNames, key)
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}
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glog.Infof(ctx, "📋 消息字段名列表: %v", fieldNames)
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glog.Infof(ctx, "📦 消息完整内容: %+v", message.Values)
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// 调用处理函数发送到 RAGFlow
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if err := q.handleFunc(ctx, message.Values); err != nil {
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glog.Errorf(ctx, "❌ 消息处理失败: %v, 消息ID: %s", err, message.ID)
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} else {
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glog.Infof(ctx, "✅ 消息处理成功 - ID: %s", message.ID)
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}
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2026-01-21 10:20:32 +08:00
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// ACK已在读取后立即执行,此处无需重复ACK
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// 对话场景:失败直接丢弃,不重试(实时性优先)
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}
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// Stop 停止队列处理器
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func (q *QueueProcessor) Stop() {
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close(q.stopChan)
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// 关闭协程池,等待所有任务完成
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q.pool.Close()
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}
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