mirror of
https://github.com/infiniflow/ragflow.git
synced 2026-08-08 16:38:01 +08:00
95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package syncer
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import (
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"context"
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"fmt"
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"ragflow/internal/service"
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"sync"
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"time"
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)
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// TaskWorker consumes claimed task envelopes and runs coordinators.
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type TaskWorker struct {
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queue <-chan TaskEnvelope
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taskService *service.SyncTaskService
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coordinator *TaskCoordinator
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locker ConnectorLocker
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}
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// NewTaskWorker creates a bounded task worker pool.
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func NewTaskWorker(queue <-chan TaskEnvelope, taskService *service.SyncTaskService, coordinator *TaskCoordinator, locker ConnectorLocker) *TaskWorker {
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return &TaskWorker{queue: queue, taskService: taskService, coordinator: coordinator, locker: locker}
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}
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// Run starts worker goroutines and blocks until context cancellation.
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func (w *TaskWorker) Run(ctx context.Context, concurrency int) {
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var wg sync.WaitGroup
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for i := 0; i < concurrency; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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w.loop(ctx)
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}()
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}
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<-ctx.Done()
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wg.Wait()
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}
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// loop handles queue messages until cancellation.
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func (w *TaskWorker) loop(ctx context.Context) {
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for {
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select {
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case <-ctx.Done():
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return
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case envelope := <-w.queue:
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w.handle(ctx, envelope)
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}
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}
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}
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// handle loads a claimed task and executes it under the connector lock.
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func (w *TaskWorker) handle(ctx context.Context, envelope TaskEnvelope) {
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taskContext, err := w.taskService.GetContext(ctx, envelope.TaskID)
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if err != nil {
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if ctx.Err() != nil {
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_ = w.taskService.RescheduleClaimed(context.WithoutCancel(ctx), envelope.TaskID)
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return
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}
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_ = w.taskService.Fail(ctx, envelope.TaskID, "", err)
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return
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}
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if !w.locker.TryLock(taskContext.Connector.ID) {
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_ = w.taskService.RescheduleClaimed(ctx, taskContext.Task.ID)
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return
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}
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defer w.locker.Unlock(taskContext.Connector.ID)
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startedAt := time.Now()
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if err = w.coordinator.Execute(ctx, taskContext); err != nil {
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logTemporarySyncTaskDuration(taskContext, startedAt)
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if ctx.Err() != nil {
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_ = w.taskService.RescheduleClaimed(context.WithoutCancel(ctx), taskContext.Task.ID)
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return
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}
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_ = w.taskService.Fail(ctx, taskContext.Task.ID, taskContext.Connector.ID, fmt.Errorf("sync task failed: %w", err))
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return
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}
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logTemporarySyncTaskDuration(taskContext, startedAt)
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}
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