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MongodbPersist.go
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MongodbPersist.go
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package rankservice
import (
"fmt"
"github.com/duanhf2012/origin/v2/log"
"github.com/duanhf2012/origin/v2/rpc"
"github.com/duanhf2012/origin/v2/service"
"github.com/duanhf2012/origin/v2/sysmodule/mongodbmodule"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo/options"
"runtime"
"sync"
"sync/atomic"
"time"
)
const batchRemoveNum = 128 //一切删除的最大数量
// RankDataDB 排行表数据
type RankDataDB struct {
Id uint64 `bson:"_id"`
RefreshTime int64 `bson:"RefreshTime"`
SortData []int64 `bson:"SortData"`
Data []byte `bson:"Data"`
ExData []int64 `bson:"ExData"`
}
// MongoPersist持久化Module
type MongoPersist struct {
service.Module
mongo mongodbmodule.MongoModule
url string //Mongodb连接url
dbName string //数据库名称
SaveInterval time.Duration //落地数据库时间间隔
sync.Mutex
mapRemoveRankData map[uint64]map[uint64]struct{} //将要删除的排行数据 map[RankId]map[Key]struct{}
mapUpsertRankData map[uint64]map[uint64]RankData //需要upsert的排行数据 map[RankId][key]RankData
mapRankSkip map[uint64]IRankSkip //所有的排行榜对象map[RankId]IRankSkip
maxRetrySaveCount int //存档重试次数
retryTimeIntervalMs time.Duration //重试时间间隔
lastSaveTime time.Time //最后一次存档时间
stop int32 //是否停服
waitGroup sync.WaitGroup //等待停服
}
func (mp *MongoPersist) OnInit() error {
mp.mapRemoveRankData = map[uint64]map[uint64]struct{}{}
mp.mapUpsertRankData = map[uint64]map[uint64]RankData{}
mp.mapRankSkip = map[uint64]IRankSkip{}
if errC := mp.ReadCfg(); errC != nil {
return errC
}
//初始化MongoDB
err := mp.mongo.Init(mp.url, time.Second*15)
if err != nil {
return err
}
//开始运行
err = mp.mongo.Start()
if err != nil {
log.SError("start dbService[", mp.dbName, "], url[", mp.url, "] init error:", err.Error())
return err
}
//开启协程
mp.waitGroup.Add(1)
go mp.persistCoroutine()
return nil
}
func (mp *MongoPersist) ReadCfg() error {
mapDBServiceCfg, ok := mp.GetService().GetServiceCfg().(map[string]interface{})
if ok == false {
return fmt.Errorf("RankService config is error")
}
//读取数据库配置
saveMongoCfg,ok := mapDBServiceCfg["SaveMongo"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo config is error")
}
mongodbCfg,ok := saveMongoCfg.(map[string]interface{})
if ok == false {
return fmt.Errorf("RankService.SaveMongo config is error")
}
url, ok := mongodbCfg["Url"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo.Url config is error")
}
mp.url = url.(string)
dbName, ok := mongodbCfg["DBName"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo.DBName config is error")
}
mp.dbName = dbName.(string)
saveInterval, ok := mongodbCfg["SaveIntervalMs"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo.SaveIntervalMs config is error")
}
mp.SaveInterval = time.Duration(saveInterval.(float64))*time.Millisecond
maxRetrySaveCount, ok := mongodbCfg["MaxRetrySaveCount"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo.MaxRetrySaveCount config is error")
}
mp.maxRetrySaveCount = int(maxRetrySaveCount.(float64))
retryTimeIntervalMs, ok := mongodbCfg["RetryTimeIntervalMs"]
if ok == false {
return fmt.Errorf("RankService.SaveMongo.RetryTimeIntervalMs config is error")
}
mp.retryTimeIntervalMs = time.Duration(retryTimeIntervalMs.(float64))*time.Millisecond
return nil
}
//启服从数据库加载
func (mp *MongoPersist) OnStart() {
}
func (mp *MongoPersist) OnSetupRank(manual bool,rankSkip *RankSkip) error{
if mp.mapRankSkip == nil {
mp.mapRankSkip = map[uint64]IRankSkip{}
}
mp.mapRankSkip[rankSkip.GetRankID()] = rankSkip
if manual == true {
return nil
}
log.Info("start load rank ",rankSkip.GetRankName()," from mongodb.")
err := mp.loadFromDB(rankSkip.GetRankID(),rankSkip.GetRankName())
if err != nil {
log.SError("load from db is fail :%s",err.Error())
return err
}
log.Info("finish load rank ",rankSkip.GetRankName()," from mongodb.")
return nil
}
func (mp *MongoPersist) loadFromDB(rankId uint64,rankCollectName string) error{
s := mp.mongo.TakeSession()
ctx, cancel := s.GetDefaultContext()
defer cancel()
condition := bson.D{}
cursor, err := s.Collection(mp.dbName, rankCollectName).Find(ctx, condition)
if err != nil {
log.SError("find collect name ", rankCollectName, " is error:", err.Error())
return err
}
if cursor.Err()!=nil {
log.SError("find collect name ", rankCollectName, " is error:", cursor.Err().Error())
return err
}
rankSkip := mp.mapRankSkip[rankId]
if rankSkip == nil {
err = fmt.Errorf("rank ", rankCollectName, " is not setup:")
log.SError(err.Error())
return err
}
defer cursor.Close(ctx)
for cursor.Next(ctx) {
var rankDataDB RankDataDB
err = cursor.Decode(&rankDataDB)
if err != nil {
log.SError(" collect name ", rankCollectName, " Decode is error:", err.Error())
return err
}
var rankData rpc.RankData
rankData.Data = rankDataDB.Data
rankData.Key = rankDataDB.Id
rankData.SortData = rankDataDB.SortData
for _,eData := range rankDataDB.ExData{
rankData.ExData = append(rankData.ExData,&rpc.ExtendIncData{InitValue:eData})
}
//更新到排行榜
rankSkip.UpsetRank(&rankData,rankDataDB.RefreshTime,true)
}
return nil
}
func (mp *MongoPersist) lazyInitRemoveMap(rankId uint64){
if mp.mapRemoveRankData[rankId] == nil {
mp.mapRemoveRankData[rankId] = make(map[uint64]struct{},256)
}
}
func (mp *MongoPersist) lazyInitUpsertMap(rankId uint64){
if mp.mapUpsertRankData[rankId] == nil {
mp.mapUpsertRankData[rankId] = make(map[uint64]RankData,256)
}
}
func (mp *MongoPersist) OnEnterRank(rankSkip IRankSkip, enterData *RankData){
mp.Lock()
defer mp.Unlock()
delete(mp.mapRemoveRankData,enterData.Key)
mp.lazyInitUpsertMap(rankSkip.GetRankID())
mp.mapUpsertRankData[rankSkip.GetRankID()][enterData.Key] = *enterData
}
func (mp *MongoPersist) OnLeaveRank(rankSkip IRankSkip, leaveData *RankData){
mp.Lock()
defer mp.Unlock()
//先删掉更新中的数据
delete(mp.mapUpsertRankData,leaveData.Key)
mp.lazyInitRemoveMap(rankSkip.GetRankID())
mp.mapRemoveRankData[rankSkip.GetRankID()][leaveData.Key] = struct{}{}
}
func (mp *MongoPersist) OnChangeRankData(rankSkip IRankSkip, changeData *RankData){
mp.Lock()
defer mp.Unlock()
//先删掉要删除的数据
delete(mp.mapRemoveRankData,changeData.Key)
//更新数据
mp.lazyInitUpsertMap(rankSkip.GetRankID())
mp.mapUpsertRankData[rankSkip.GetRankID()][changeData.Key] = *changeData
}
//停存持久化到DB
func (mp *MongoPersist) OnStop(mapRankSkip map[uint64]*RankSkip){
atomic.StoreInt32(&mp.stop,1)
mp.waitGroup.Wait()
}
func (mp *MongoPersist) JugeTimeoutSave() bool{
timeout := time.Now()
isTimeOut := timeout.Sub(mp.lastSaveTime) >= mp.SaveInterval
if isTimeOut == true {
mp.lastSaveTime = timeout
}
return isTimeOut
}
func (mp *MongoPersist) persistCoroutine(){
defer mp.waitGroup.Done()
for atomic.LoadInt32(&mp.stop)==0 {
//间隔时间sleep
time.Sleep(time.Second*1)
//没有持久化数据continue
if mp.hasPersistData() == false {
continue
}
if mp.JugeTimeoutSave() == false{
continue
}
//存档数据到数据库
mp.saveToDB()
}
//退出时存一次档
mp.saveToDB()
}
func (mp *MongoPersist) hasPersistData() bool{
mp.Lock()
defer mp.Unlock()
return len(mp.mapUpsertRankData)>0 || len(mp.mapRemoveRankData) >0
}
func (mp *MongoPersist) saveToDB(){
defer func() {
if r := recover(); r != nil {
buf := make([]byte, 4096)
l := runtime.Stack(buf, false)
errString := fmt.Sprint(r)
log.Dump(string(buf[:l]),log.String("error",errString))
}
}()
//1.copy数据
mp.Lock()
mapRemoveRankData := mp.mapRemoveRankData
mapUpsertRankData := mp.mapUpsertRankData
mp.mapRemoveRankData = map[uint64]map[uint64]struct{}{}
mp.mapUpsertRankData = map[uint64]map[uint64]RankData{}
mp.Unlock()
//2.存档
for len(mapUpsertRankData) > 0 {
mp.upsertRankDataToDB(mapUpsertRankData)
}
for len(mapRemoveRankData) >0 {
mp.removeRankDataToDB(mapRemoveRankData)
}
}
func (mp *MongoPersist) removeToDB(collectName string,keys []uint64) error{
s := mp.mongo.TakeSession()
ctx, cancel := s.GetDefaultContext()
defer cancel()
condition := bson.D{{Key: "_id", Value: bson.M{"$in": keys}}}
_, err := s.Collection(mp.dbName, collectName).DeleteMany(ctx, condition)
if err != nil {
log.SError("MongoPersist DeleteMany fail,collect name is ", collectName)
return err
}
return nil
}
func (mp *MongoPersist) removeRankData(rankId uint64,keys []uint64) bool {
rank := mp.mapRankSkip[rankId]
if rank== nil {
log.SError("cannot find rankId ",rankId,"config")
return false
}
//不成功则重试maxRetrySaveCount次
for i:=0;i<mp.maxRetrySaveCount;i++{
if mp.removeToDB(rank.GetRankName(),keys)!= nil {
time.Sleep(mp.retryTimeIntervalMs)
continue
}
break
}
return true
}
func (mp *MongoPersist) upsertToDB(collectName string,rankData *RankData) error{
condition := bson.D{{"_id", rankData.Key}}
upsert := bson.M{"_id":rankData.Key,"RefreshTime": rankData.RefreshTimestamp, "SortData": rankData.SortData, "Data": rankData.Data,"ExData":rankData.ExData}
update := bson.M{"$set": upsert}
s := mp.mongo.TakeSession()
ctx, cancel := s.GetDefaultContext()
defer cancel()
updateOpts := options.Update().SetUpsert(true)
_, err := s.Collection(mp.dbName, collectName).UpdateOne(ctx, condition,update,updateOpts)
if err != nil {
log.SError("MongoPersist upsertDB fail,collect name is ", collectName)
return err
}
return nil
}
func (mp *MongoPersist) upsertRankDataToDB(mapUpsertRankData map[uint64]map[uint64]RankData) error{
for rankId,mapRankData := range mapUpsertRankData{
rank,ok := mp.mapRankSkip[rankId]
if ok == false {
log.SError("cannot find rankId ",rankId,",config is error")
delete(mapUpsertRankData,rankId)
continue
}
for key,rankData := range mapRankData{
//最大重试mp.maxRetrySaveCount次
for i:=0;i<mp.maxRetrySaveCount;i++{
err := mp.upsertToDB(rank.GetRankName(),&rankData)
if err != nil {
time.Sleep(mp.retryTimeIntervalMs)
continue
}
break
}
//存完删掉指定key
delete(mapRankData,key)
}
if len(mapRankData) == 0 {
delete(mapUpsertRankData,rankId)
}
}
return nil
}
func (mp *MongoPersist) removeRankDataToDB(mapRemoveRankData map[uint64]map[uint64]struct{}) {
for rankId ,mapRemoveKey := range mapRemoveRankData{
//每100个一删
keyList := make([]uint64,0,batchRemoveNum)
for key := range mapRemoveKey {
delete(mapRemoveKey,key)
keyList = append(keyList,key)
if len(keyList) >= batchRemoveNum {
break
}
}
mp.removeRankData(rankId,keyList)
//如果删完,删掉rankid下所有
if len(mapRemoveKey) == 0 {
delete(mapRemoveRankData,rankId)
}
}
}