78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package admin
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import (
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	"runtime/pprof"
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	"sync"
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	"time"
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	"code.gitea.io/gitea/modules/graceful"
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	"code.gitea.io/gitea/modules/log"
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	"code.gitea.io/gitea/modules/process"
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	"code.gitea.io/gitea/modules/queue"
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	"code.gitea.io/gitea/modules/setting"
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)
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var testQueueOnce sync.Once
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// initTestQueueOnce initializes the test queue for dev mode
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// the test queue will also be shown in the queue list
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// developers could see the queue length / worker number / items number on the admin page and try to remove the items
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func initTestQueueOnce() {
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	testQueueOnce.Do(func() {
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		ctx, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().ShutdownContext(), "TestQueue", process.SystemProcessType, false)
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		qs := setting.QueueSettings{
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			Name:        "test-queue",
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			Type:        "channel",
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			Length:      20,
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			BatchLength: 2,
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			MaxWorkers:  3,
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		}
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		testQueue, err := queue.NewWorkerPoolQueueWithContext(ctx, "test-queue", qs, func(t ...int64) (unhandled []int64) {
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			for range t {
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				select {
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				case <-graceful.GetManager().ShutdownContext().Done():
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				case <-time.After(5 * time.Second):
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				}
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			}
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			return nil
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		}, true)
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		if err != nil {
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			log.Error("unable to create test queue: %v", err)
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			return
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		}
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		queue.GetManager().AddManagedQueue(testQueue)
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		testQueue.SetWorkerMaxNumber(5)
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		go graceful.GetManager().RunWithCancel(testQueue)
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		go func() {
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			pprof.SetGoroutineLabels(ctx)
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			defer finished()
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			cnt := int64(0)
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			adding := true
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			for {
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				select {
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				case <-ctx.Done():
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				case <-time.After(500 * time.Millisecond):
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					if adding {
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						if testQueue.GetQueueItemNumber() == qs.Length {
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							adding = false
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						}
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					} else {
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						if testQueue.GetQueueItemNumber() == 0 {
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							adding = true
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						}
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					}
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					if adding {
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						_ = testQueue.Push(cnt)
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						cnt++
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					}
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				}
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			}
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		}()
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	})
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}
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