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