mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-29 08:17:31 -04:00
194 lines
5.7 KiB
Go
194 lines
5.7 KiB
Go
|
// Copyright 2019 The Gitea Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a MIT-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
package queue
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
"time"
|
||
|
|
||
|
"code.gitea.io/gitea/modules/log"
|
||
|
)
|
||
|
|
||
|
// PersistableChannelQueueType is the type for persistable queue
|
||
|
const PersistableChannelQueueType Type = "persistable-channel"
|
||
|
|
||
|
// PersistableChannelQueueConfiguration is the configuration for a PersistableChannelQueue
|
||
|
type PersistableChannelQueueConfiguration struct {
|
||
|
Name string
|
||
|
DataDir string
|
||
|
BatchLength int
|
||
|
QueueLength int
|
||
|
Timeout time.Duration
|
||
|
MaxAttempts int
|
||
|
Workers int
|
||
|
MaxWorkers int
|
||
|
BlockTimeout time.Duration
|
||
|
BoostTimeout time.Duration
|
||
|
BoostWorkers int
|
||
|
}
|
||
|
|
||
|
// PersistableChannelQueue wraps a channel queue and level queue together
|
||
|
type PersistableChannelQueue struct {
|
||
|
*ChannelQueue
|
||
|
delayedStarter
|
||
|
closed chan struct{}
|
||
|
}
|
||
|
|
||
|
// NewPersistableChannelQueue creates a wrapped batched channel queue with persistable level queue backend when shutting down
|
||
|
// This differs from a wrapped queue in that the persistent queue is only used to persist at shutdown/terminate
|
||
|
func NewPersistableChannelQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue, error) {
|
||
|
configInterface, err := toConfig(PersistableChannelQueueConfiguration{}, cfg)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
config := configInterface.(PersistableChannelQueueConfiguration)
|
||
|
|
||
|
channelQueue, err := NewChannelQueue(handle, ChannelQueueConfiguration{
|
||
|
QueueLength: config.QueueLength,
|
||
|
BatchLength: config.BatchLength,
|
||
|
Workers: config.Workers,
|
||
|
MaxWorkers: config.MaxWorkers,
|
||
|
BlockTimeout: config.BlockTimeout,
|
||
|
BoostTimeout: config.BoostTimeout,
|
||
|
BoostWorkers: config.BoostWorkers,
|
||
|
Name: config.Name + "-channel",
|
||
|
}, exemplar)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
// the level backend only needs temporary workers to catch up with the previously dropped work
|
||
|
levelCfg := LevelQueueConfiguration{
|
||
|
DataDir: config.DataDir,
|
||
|
QueueLength: config.QueueLength,
|
||
|
BatchLength: config.BatchLength,
|
||
|
Workers: 1,
|
||
|
MaxWorkers: 6,
|
||
|
BlockTimeout: 1 * time.Second,
|
||
|
BoostTimeout: 5 * time.Minute,
|
||
|
BoostWorkers: 5,
|
||
|
Name: config.Name + "-level",
|
||
|
}
|
||
|
|
||
|
levelQueue, err := NewLevelQueue(handle, levelCfg, exemplar)
|
||
|
if err == nil {
|
||
|
queue := &PersistableChannelQueue{
|
||
|
ChannelQueue: channelQueue.(*ChannelQueue),
|
||
|
delayedStarter: delayedStarter{
|
||
|
internal: levelQueue.(*LevelQueue),
|
||
|
name: config.Name,
|
||
|
},
|
||
|
closed: make(chan struct{}),
|
||
|
}
|
||
|
_ = GetManager().Add(queue, PersistableChannelQueueType, config, exemplar, nil)
|
||
|
return queue, nil
|
||
|
}
|
||
|
if IsErrInvalidConfiguration(err) {
|
||
|
// Retrying ain't gonna make this any better...
|
||
|
return nil, ErrInvalidConfiguration{cfg: cfg}
|
||
|
}
|
||
|
|
||
|
queue := &PersistableChannelQueue{
|
||
|
ChannelQueue: channelQueue.(*ChannelQueue),
|
||
|
delayedStarter: delayedStarter{
|
||
|
cfg: levelCfg,
|
||
|
underlying: LevelQueueType,
|
||
|
timeout: config.Timeout,
|
||
|
maxAttempts: config.MaxAttempts,
|
||
|
name: config.Name,
|
||
|
},
|
||
|
closed: make(chan struct{}),
|
||
|
}
|
||
|
_ = GetManager().Add(queue, PersistableChannelQueueType, config, exemplar, nil)
|
||
|
return queue, nil
|
||
|
}
|
||
|
|
||
|
// Name returns the name of this queue
|
||
|
func (p *PersistableChannelQueue) Name() string {
|
||
|
return p.delayedStarter.name
|
||
|
}
|
||
|
|
||
|
// Push will push the indexer data to queue
|
||
|
func (p *PersistableChannelQueue) Push(data Data) error {
|
||
|
select {
|
||
|
case <-p.closed:
|
||
|
return p.internal.Push(data)
|
||
|
default:
|
||
|
return p.ChannelQueue.Push(data)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Run starts to run the queue
|
||
|
func (p *PersistableChannelQueue) Run(atShutdown, atTerminate func(context.Context, func())) {
|
||
|
p.lock.Lock()
|
||
|
if p.internal == nil {
|
||
|
err := p.setInternal(atShutdown, p.ChannelQueue.pool.handle, p.exemplar)
|
||
|
p.lock.Unlock()
|
||
|
if err != nil {
|
||
|
log.Fatal("Unable to create internal queue for %s Error: %v", p.Name(), err)
|
||
|
return
|
||
|
}
|
||
|
} else {
|
||
|
p.lock.Unlock()
|
||
|
}
|
||
|
atShutdown(context.Background(), p.Shutdown)
|
||
|
atTerminate(context.Background(), p.Terminate)
|
||
|
|
||
|
// Just run the level queue - we shut it down later
|
||
|
go p.internal.Run(func(_ context.Context, _ func()) {}, func(_ context.Context, _ func()) {})
|
||
|
|
||
|
go func() {
|
||
|
_ = p.ChannelQueue.pool.AddWorkers(p.workers, 0)
|
||
|
}()
|
||
|
|
||
|
log.Trace("PersistableChannelQueue: %s Waiting til closed", p.delayedStarter.name)
|
||
|
<-p.closed
|
||
|
log.Trace("PersistableChannelQueue: %s Cancelling pools", p.delayedStarter.name)
|
||
|
p.ChannelQueue.pool.cancel()
|
||
|
p.internal.(*LevelQueue).pool.cancel()
|
||
|
log.Trace("PersistableChannelQueue: %s Waiting til done", p.delayedStarter.name)
|
||
|
p.ChannelQueue.pool.Wait()
|
||
|
p.internal.(*LevelQueue).pool.Wait()
|
||
|
// Redirect all remaining data in the chan to the internal channel
|
||
|
go func() {
|
||
|
log.Trace("PersistableChannelQueue: %s Redirecting remaining data", p.delayedStarter.name)
|
||
|
for data := range p.ChannelQueue.pool.dataChan {
|
||
|
_ = p.internal.Push(data)
|
||
|
}
|
||
|
log.Trace("PersistableChannelQueue: %s Done Redirecting remaining data", p.delayedStarter.name)
|
||
|
}()
|
||
|
log.Trace("PersistableChannelQueue: %s Done main loop", p.delayedStarter.name)
|
||
|
}
|
||
|
|
||
|
// Shutdown processing this queue
|
||
|
func (p *PersistableChannelQueue) Shutdown() {
|
||
|
log.Trace("PersistableChannelQueue: %s Shutdown", p.delayedStarter.name)
|
||
|
select {
|
||
|
case <-p.closed:
|
||
|
default:
|
||
|
p.lock.Lock()
|
||
|
defer p.lock.Unlock()
|
||
|
if p.internal != nil {
|
||
|
p.internal.(*LevelQueue).Shutdown()
|
||
|
}
|
||
|
close(p.closed)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Terminate this queue and close the queue
|
||
|
func (p *PersistableChannelQueue) Terminate() {
|
||
|
log.Trace("PersistableChannelQueue: %s Terminating", p.delayedStarter.name)
|
||
|
p.Shutdown()
|
||
|
p.lock.Lock()
|
||
|
defer p.lock.Unlock()
|
||
|
if p.internal != nil {
|
||
|
p.internal.(*LevelQueue).Terminate()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func init() {
|
||
|
queuesMap[PersistableChannelQueueType] = NewPersistableChannelQueue
|
||
|
}
|