mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-25 13:19:37 -05:00
271 lines
6.1 KiB
Go
271 lines
6.1 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"
|
||
|
"encoding/json"
|
||
|
"fmt"
|
||
|
"reflect"
|
||
|
"sort"
|
||
|
"sync"
|
||
|
"time"
|
||
|
|
||
|
"code.gitea.io/gitea/modules/log"
|
||
|
)
|
||
|
|
||
|
var manager *Manager
|
||
|
|
||
|
// Manager is a queue manager
|
||
|
type Manager struct {
|
||
|
mutex sync.Mutex
|
||
|
|
||
|
counter int64
|
||
|
Queues map[int64]*ManagedQueue
|
||
|
}
|
||
|
|
||
|
// ManagedQueue represents a working queue inheriting from Gitea.
|
||
|
type ManagedQueue struct {
|
||
|
mutex sync.Mutex
|
||
|
QID int64
|
||
|
Queue Queue
|
||
|
Type Type
|
||
|
Name string
|
||
|
Configuration interface{}
|
||
|
ExemplarType string
|
||
|
Pool ManagedPool
|
||
|
counter int64
|
||
|
PoolWorkers map[int64]*PoolWorkers
|
||
|
}
|
||
|
|
||
|
// ManagedPool is a simple interface to get certain details from a worker pool
|
||
|
type ManagedPool interface {
|
||
|
AddWorkers(number int, timeout time.Duration) context.CancelFunc
|
||
|
NumberOfWorkers() int
|
||
|
MaxNumberOfWorkers() int
|
||
|
SetMaxNumberOfWorkers(int)
|
||
|
BoostTimeout() time.Duration
|
||
|
BlockTimeout() time.Duration
|
||
|
BoostWorkers() int
|
||
|
SetSettings(maxNumberOfWorkers, boostWorkers int, timeout time.Duration)
|
||
|
}
|
||
|
|
||
|
// ManagedQueueList implements the sort.Interface
|
||
|
type ManagedQueueList []*ManagedQueue
|
||
|
|
||
|
// PoolWorkers represents a working queue inheriting from Gitea.
|
||
|
type PoolWorkers struct {
|
||
|
PID int64
|
||
|
Workers int
|
||
|
Start time.Time
|
||
|
Timeout time.Time
|
||
|
HasTimeout bool
|
||
|
Cancel context.CancelFunc
|
||
|
}
|
||
|
|
||
|
// PoolWorkersList implements the sort.Interface
|
||
|
type PoolWorkersList []*PoolWorkers
|
||
|
|
||
|
func init() {
|
||
|
_ = GetManager()
|
||
|
}
|
||
|
|
||
|
// GetManager returns a Manager and initializes one as singleton if there's none yet
|
||
|
func GetManager() *Manager {
|
||
|
if manager == nil {
|
||
|
manager = &Manager{
|
||
|
Queues: make(map[int64]*ManagedQueue),
|
||
|
}
|
||
|
}
|
||
|
return manager
|
||
|
}
|
||
|
|
||
|
// Add adds a queue to this manager
|
||
|
func (m *Manager) Add(queue Queue,
|
||
|
t Type,
|
||
|
configuration,
|
||
|
exemplar interface{},
|
||
|
pool ManagedPool) int64 {
|
||
|
|
||
|
cfg, _ := json.Marshal(configuration)
|
||
|
mq := &ManagedQueue{
|
||
|
Queue: queue,
|
||
|
Type: t,
|
||
|
Configuration: string(cfg),
|
||
|
ExemplarType: reflect.TypeOf(exemplar).String(),
|
||
|
PoolWorkers: make(map[int64]*PoolWorkers),
|
||
|
Pool: pool,
|
||
|
}
|
||
|
m.mutex.Lock()
|
||
|
m.counter++
|
||
|
mq.QID = m.counter
|
||
|
mq.Name = fmt.Sprintf("queue-%d", mq.QID)
|
||
|
if named, ok := queue.(Named); ok {
|
||
|
mq.Name = named.Name()
|
||
|
}
|
||
|
m.Queues[mq.QID] = mq
|
||
|
m.mutex.Unlock()
|
||
|
log.Trace("Queue Manager registered: %s (QID: %d)", mq.Name, mq.QID)
|
||
|
return mq.QID
|
||
|
}
|
||
|
|
||
|
// Remove a queue from the Manager
|
||
|
func (m *Manager) Remove(qid int64) {
|
||
|
m.mutex.Lock()
|
||
|
delete(m.Queues, qid)
|
||
|
m.mutex.Unlock()
|
||
|
log.Trace("Queue Manager removed: QID: %d", qid)
|
||
|
|
||
|
}
|
||
|
|
||
|
// GetManagedQueue by qid
|
||
|
func (m *Manager) GetManagedQueue(qid int64) *ManagedQueue {
|
||
|
m.mutex.Lock()
|
||
|
defer m.mutex.Unlock()
|
||
|
return m.Queues[qid]
|
||
|
}
|
||
|
|
||
|
// ManagedQueues returns the managed queues
|
||
|
func (m *Manager) ManagedQueues() []*ManagedQueue {
|
||
|
m.mutex.Lock()
|
||
|
mqs := make([]*ManagedQueue, 0, len(m.Queues))
|
||
|
for _, mq := range m.Queues {
|
||
|
mqs = append(mqs, mq)
|
||
|
}
|
||
|
m.mutex.Unlock()
|
||
|
sort.Sort(ManagedQueueList(mqs))
|
||
|
return mqs
|
||
|
}
|
||
|
|
||
|
// Workers returns the poolworkers
|
||
|
func (q *ManagedQueue) Workers() []*PoolWorkers {
|
||
|
q.mutex.Lock()
|
||
|
workers := make([]*PoolWorkers, 0, len(q.PoolWorkers))
|
||
|
for _, worker := range q.PoolWorkers {
|
||
|
workers = append(workers, worker)
|
||
|
}
|
||
|
q.mutex.Unlock()
|
||
|
sort.Sort(PoolWorkersList(workers))
|
||
|
return workers
|
||
|
}
|
||
|
|
||
|
// RegisterWorkers registers workers to this queue
|
||
|
func (q *ManagedQueue) RegisterWorkers(number int, start time.Time, hasTimeout bool, timeout time.Time, cancel context.CancelFunc) int64 {
|
||
|
q.mutex.Lock()
|
||
|
defer q.mutex.Unlock()
|
||
|
q.counter++
|
||
|
q.PoolWorkers[q.counter] = &PoolWorkers{
|
||
|
PID: q.counter,
|
||
|
Workers: number,
|
||
|
Start: start,
|
||
|
Timeout: timeout,
|
||
|
HasTimeout: hasTimeout,
|
||
|
Cancel: cancel,
|
||
|
}
|
||
|
return q.counter
|
||
|
}
|
||
|
|
||
|
// CancelWorkers cancels pooled workers with pid
|
||
|
func (q *ManagedQueue) CancelWorkers(pid int64) {
|
||
|
q.mutex.Lock()
|
||
|
pw, ok := q.PoolWorkers[pid]
|
||
|
q.mutex.Unlock()
|
||
|
if !ok {
|
||
|
return
|
||
|
}
|
||
|
pw.Cancel()
|
||
|
}
|
||
|
|
||
|
// RemoveWorkers deletes pooled workers with pid
|
||
|
func (q *ManagedQueue) RemoveWorkers(pid int64) {
|
||
|
q.mutex.Lock()
|
||
|
pw, ok := q.PoolWorkers[pid]
|
||
|
delete(q.PoolWorkers, pid)
|
||
|
q.mutex.Unlock()
|
||
|
if ok && pw.Cancel != nil {
|
||
|
pw.Cancel()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// AddWorkers adds workers to the queue if it has registered an add worker function
|
||
|
func (q *ManagedQueue) AddWorkers(number int, timeout time.Duration) context.CancelFunc {
|
||
|
if q.Pool != nil {
|
||
|
// the cancel will be added to the pool workers description above
|
||
|
return q.Pool.AddWorkers(number, timeout)
|
||
|
}
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
// NumberOfWorkers returns the number of workers in the queue
|
||
|
func (q *ManagedQueue) NumberOfWorkers() int {
|
||
|
if q.Pool != nil {
|
||
|
return q.Pool.NumberOfWorkers()
|
||
|
}
|
||
|
return -1
|
||
|
}
|
||
|
|
||
|
// MaxNumberOfWorkers returns the maximum number of workers for the pool
|
||
|
func (q *ManagedQueue) MaxNumberOfWorkers() int {
|
||
|
if q.Pool != nil {
|
||
|
return q.Pool.MaxNumberOfWorkers()
|
||
|
}
|
||
|
return 0
|
||
|
}
|
||
|
|
||
|
// BoostWorkers returns the number of workers for a boost
|
||
|
func (q *ManagedQueue) BoostWorkers() int {
|
||
|
if q.Pool != nil {
|
||
|
return q.Pool.BoostWorkers()
|
||
|
}
|
||
|
return -1
|
||
|
}
|
||
|
|
||
|
// BoostTimeout returns the timeout of the next boost
|
||
|
func (q *ManagedQueue) BoostTimeout() time.Duration {
|
||
|
if q.Pool != nil {
|
||
|
return q.Pool.BoostTimeout()
|
||
|
}
|
||
|
return 0
|
||
|
}
|
||
|
|
||
|
// BlockTimeout returns the timeout til the next boost
|
||
|
func (q *ManagedQueue) BlockTimeout() time.Duration {
|
||
|
if q.Pool != nil {
|
||
|
return q.Pool.BlockTimeout()
|
||
|
}
|
||
|
return 0
|
||
|
}
|
||
|
|
||
|
// SetSettings sets the setable boost values
|
||
|
func (q *ManagedQueue) SetSettings(maxNumberOfWorkers, boostWorkers int, timeout time.Duration) {
|
||
|
if q.Pool != nil {
|
||
|
q.Pool.SetSettings(maxNumberOfWorkers, boostWorkers, timeout)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func (l ManagedQueueList) Len() int {
|
||
|
return len(l)
|
||
|
}
|
||
|
|
||
|
func (l ManagedQueueList) Less(i, j int) bool {
|
||
|
return l[i].Name < l[j].Name
|
||
|
}
|
||
|
|
||
|
func (l ManagedQueueList) Swap(i, j int) {
|
||
|
l[i], l[j] = l[j], l[i]
|
||
|
}
|
||
|
|
||
|
func (l PoolWorkersList) Len() int {
|
||
|
return len(l)
|
||
|
}
|
||
|
|
||
|
func (l PoolWorkersList) Less(i, j int) bool {
|
||
|
return l[i].Start.Before(l[j].Start)
|
||
|
}
|
||
|
|
||
|
func (l PoolWorkersList) Swap(i, j int) {
|
||
|
l[i], l[j] = l[j], l[i]
|
||
|
}
|