105 lines
2.1 KiB
Go
105 lines
2.1 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 issues
|
|
|
|
import (
|
|
"encoding/json"
|
|
"time"
|
|
|
|
"code.gitea.io/gitea/modules/log"
|
|
|
|
"github.com/lunny/levelqueue"
|
|
)
|
|
|
|
var (
|
|
_ Queue = &LevelQueue{}
|
|
)
|
|
|
|
// LevelQueue implements a disk library queue
|
|
type LevelQueue struct {
|
|
indexer Indexer
|
|
queue *levelqueue.Queue
|
|
batchNumber int
|
|
}
|
|
|
|
// NewLevelQueue creates a ledis local queue
|
|
func NewLevelQueue(indexer Indexer, dataDir string, batchNumber int) (*LevelQueue, error) {
|
|
queue, err := levelqueue.Open(dataDir)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &LevelQueue{
|
|
indexer: indexer,
|
|
queue: queue,
|
|
batchNumber: batchNumber,
|
|
}, nil
|
|
}
|
|
|
|
// Run starts to run the queue
|
|
func (l *LevelQueue) Run() error {
|
|
var i int
|
|
var datas = make([]*IndexerData, 0, l.batchNumber)
|
|
for {
|
|
i++
|
|
if len(datas) > l.batchNumber || (len(datas) > 0 && i > 3) {
|
|
_ = l.indexer.Index(datas)
|
|
datas = make([]*IndexerData, 0, l.batchNumber)
|
|
i = 0
|
|
continue
|
|
}
|
|
|
|
bs, err := l.queue.RPop()
|
|
if err != nil {
|
|
if err != levelqueue.ErrNotFound {
|
|
log.Error("RPop: %v", err)
|
|
}
|
|
time.Sleep(time.Millisecond * 100)
|
|
continue
|
|
}
|
|
|
|
if len(bs) == 0 {
|
|
time.Sleep(time.Millisecond * 100)
|
|
continue
|
|
}
|
|
|
|
var data IndexerData
|
|
err = json.Unmarshal(bs, &data)
|
|
if err != nil {
|
|
log.Error("Unmarshal: %v", err)
|
|
time.Sleep(time.Millisecond * 100)
|
|
continue
|
|
}
|
|
|
|
log.Trace("LevelQueue: task found: %#v", data)
|
|
|
|
if data.IsDelete {
|
|
if data.ID > 0 {
|
|
if err = l.indexer.Delete(data.ID); err != nil {
|
|
log.Error("indexer.Delete: %v", err)
|
|
}
|
|
} else if len(data.IDs) > 0 {
|
|
if err = l.indexer.Delete(data.IDs...); err != nil {
|
|
log.Error("indexer.Delete: %v", err)
|
|
}
|
|
}
|
|
time.Sleep(time.Millisecond * 10)
|
|
continue
|
|
}
|
|
|
|
datas = append(datas, &data)
|
|
time.Sleep(time.Millisecond * 10)
|
|
}
|
|
}
|
|
|
|
// Push will push the indexer data to queue
|
|
func (l *LevelQueue) Push(data *IndexerData) error {
|
|
bs, err := json.Marshal(data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return l.queue.LPush(bs)
|
|
}
|