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103 lines
2.1 KiB
103 lines
2.1 KiB
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package issues
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import (
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"encoding/json"
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"time"
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"code.gitea.io/gitea/modules/log"
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"github.com/lunny/levelqueue"
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)
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var (
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_ Queue = &LevelQueue{}
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)
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// LevelQueue implements a disk library queue
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type LevelQueue struct {
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indexer Indexer
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queue *levelqueue.Queue
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batchNumber int
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}
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// NewLevelQueue creates a ledis local queue
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func NewLevelQueue(indexer Indexer, dataDir string, batchNumber int) (*LevelQueue, error) {
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queue, err := levelqueue.Open(dataDir)
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if err != nil {
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return nil, err
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}
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return &LevelQueue{
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indexer: indexer,
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queue: queue,
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batchNumber: batchNumber,
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}, nil
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}
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// Run starts to run the queue
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func (l *LevelQueue) Run() error {
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var i int
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var datas = make([]*IndexerData, 0, l.batchNumber)
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for {
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i++
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if len(datas) > l.batchNumber || (len(datas) > 0 && i > 3) {
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l.indexer.Index(datas)
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datas = make([]*IndexerData, 0, l.batchNumber)
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i = 0
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continue
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}
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bs, err := l.queue.RPop()
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if err != nil {
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if err != levelqueue.ErrNotFound {
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log.Error("RPop: %v", err)
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}
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time.Sleep(time.Millisecond * 100)
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continue
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}
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if len(bs) <= 0 {
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time.Sleep(time.Millisecond * 100)
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continue
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}
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var data IndexerData
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err = json.Unmarshal(bs, &data)
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if err != nil {
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log.Error("Unmarshal: %v", err)
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time.Sleep(time.Millisecond * 100)
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continue
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}
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log.Trace("LevelQueue: task found: %#v", data)
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if data.IsDelete {
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if data.ID > 0 {
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if err = l.indexer.Delete(data.ID); err != nil {
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log.Error("indexer.Delete: %v", err)
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}
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} else if len(data.IDs) > 0 {
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if err = l.indexer.Delete(data.IDs...); err != nil {
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log.Error("indexer.Delete: %v", err)
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}
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}
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time.Sleep(time.Millisecond * 10)
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continue
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}
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datas = append(datas, &data)
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time.Sleep(time.Millisecond * 10)
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}
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}
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// Push will push the indexer data to queue
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func (l *LevelQueue) Push(data *IndexerData) error {
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bs, err := json.Marshal(data)
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if err != nil {
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return err
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}
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return l.queue.LPush(bs)
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}
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