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EdgeAPI/internal/db/models/user_bandwidth_stat_dao.go

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package models
import (
"github.com/TeaOSLab/EdgeAPI/internal/errors"
"github.com/TeaOSLab/EdgeAPI/internal/goman"
"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
"github.com/TeaOSLab/EdgeAPI/internal/utils"
"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
_ "github.com/go-sql-driver/mysql"
"github.com/iwind/TeaGo/Tea"
"github.com/iwind/TeaGo/dbs"
"github.com/iwind/TeaGo/maps"
"github.com/iwind/TeaGo/rands"
"github.com/iwind/TeaGo/types"
timeutil "github.com/iwind/TeaGo/utils/time"
"math"
"regexp"
"sync"
"time"
)
type UserBandwidthStatDAO dbs.DAO
const (
UserBandwidthStatTablePartials = 20
)
func init() {
dbs.OnReadyDone(func() {
// 清理数据任务
var ticker = time.NewTicker(time.Duration(rands.Int(24, 48)) * time.Hour)
goman.New(func() {
for range ticker.C {
err := SharedUserBandwidthStatDAO.Clean(nil)
if err != nil {
remotelogs.Error("SharedUserBandwidthStatDAO", "clean expired data failed: "+err.Error())
}
}
})
})
}
func NewUserBandwidthStatDAO() *UserBandwidthStatDAO {
return dbs.NewDAO(&UserBandwidthStatDAO{
DAOObject: dbs.DAOObject{
DB: Tea.Env,
Table: "edgeUserBandwidthStats",
Model: new(UserBandwidthStat),
PkName: "id",
},
}).(*UserBandwidthStatDAO)
}
var SharedUserBandwidthStatDAO *UserBandwidthStatDAO
func init() {
dbs.OnReady(func() {
SharedUserBandwidthStatDAO = NewUserBandwidthStatDAO()
})
}
// UpdateUserBandwidth 写入数据
func (this *UserBandwidthStatDAO) UpdateUserBandwidth(tx *dbs.Tx, userId int64, day string, timeAt string, bytes int64) error {
if userId <= 0 {
// 如果用户ID不大于0则说明服务不属于任何用户此时不需要处理
return nil
}
return this.Query(tx).
Table(this.partialTable(userId)).
Param("bytes", bytes).
InsertOrUpdateQuickly(maps.Map{
"userId": userId,
"day": day,
"timeAt": timeAt,
"bytes": bytes,
}, maps.Map{
"bytes": dbs.SQL("bytes+:bytes"),
})
}
// FindUserPeekBandwidthInMonth 读取某月带宽峰值
// month YYYYMM
func (this *UserBandwidthStatDAO) FindUserPeekBandwidthInMonth(tx *dbs.Tx, userId int64, month string) (*UserBandwidthStat, error) {
one, err := this.Query(tx).
Table(this.partialTable(userId)).
Attr("userId", userId).
Between("day", month+"01", month+"31").
Desc("bytes").
Find()
if err != nil || one == nil {
return nil, err
}
return one.(*UserBandwidthStat), nil
}
// FindPercentileBetweenDays 获取日期段内内百分位
func (this *UserBandwidthStatDAO) FindPercentileBetweenDays(tx *dbs.Tx, userId int64, dayFrom string, dayTo string, percentile int32) (result *UserBandwidthStat, err error) {
if dayFrom > dayTo {
dayFrom, dayTo = dayTo, dayFrom
}
if percentile <= 0 {
percentile = 95
}
// 如果是100%以上,则快速返回
if percentile >= 100 {
one, err := this.Query(tx).
Table(this.partialTable(userId)).
Attr("userId", userId).
Between("day", dayFrom, dayTo).
Desc("bytes").
Find()
if err != nil || one == nil {
return nil, err
}
return one.(*UserBandwidthStat), nil
}
// 总数量
total, err := this.Query(tx).
Table(this.partialTable(userId)).
Attr("userId", userId).
Between("day", dayFrom, dayTo).
Count()
if err != nil {
return nil, err
}
if total == 0 {
return nil, nil
}
var offset int64
if total > 1 {
offset = int64(math.Ceil(float64(total) * float64(100-percentile) / 100))
}
// 查询 nth 位置
one, err := this.Query(tx).
Table(this.partialTable(userId)).
Attr("userId", userId).
Between("day", dayFrom, dayTo).
Desc("bytes").
Offset(offset).
Find()
if err != nil || one == nil {
return nil, err
}
return one.(*UserBandwidthStat), nil
}
// FindUserPeekBandwidthInDay 读取某日带宽峰值
// day YYYYMMDD
func (this *UserBandwidthStatDAO) FindUserPeekBandwidthInDay(tx *dbs.Tx, userId int64, day string) (*UserBandwidthStat, error) {
one, err := this.Query(tx).
Table(this.partialTable(userId)).
Attr("userId", userId).
Attr("day", day).
Desc("bytes").
Find()
if err != nil || one == nil {
return nil, err
}
return one.(*UserBandwidthStat), nil
}
// FindUserBandwidthStatsBetweenDays 查找日期段内的带宽峰值
// dayFrom YYYYMMDD
// dayTo YYYYMMDD
func (this *UserBandwidthStatDAO) FindUserBandwidthStatsBetweenDays(tx *dbs.Tx, userId int64, dayFrom string, dayTo string) (result []*pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat, err error) {
if userId <= 0 {
return nil, nil
}
var dayReg = regexp.MustCompile(`^\d{8}$`)
if !dayReg.MatchString(dayFrom) {
return nil, errors.New("invalid dayFrom '" + dayFrom + "'")
}
if !dayReg.MatchString(dayTo) {
return nil, errors.New("invalid dayTo '" + dayTo + "'")
}
if dayFrom > dayTo {
dayFrom, dayTo = dayTo, dayFrom
}
ones, _, err := this.Query(tx).
Table(this.partialTable(userId)).
Result("bytes", "day", "timeAt").
Attr("userId", userId).
Between("day", dayFrom, dayTo).
FindOnes()
if err != nil {
return nil, err
}
var m = map[string]*pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{}
for _, one := range ones {
var day = one.GetString("day")
var bytes = one.GetInt64("bytes")
var timeAt = one.GetString("timeAt")
var key = day + "@" + timeAt
m[key] = &pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{
Bytes: bytes,
Bits: bytes * 8,
Day: day,
TimeAt: timeAt,
}
}
allDays, err := utils.RangeDays(dayFrom, dayTo)
if err != nil {
return nil, err
}
dayTimes, err := utils.Range24HourTimes(5)
if err != nil {
return nil, err
}
// 截止到当前时间
var currentTime = timeutil.Format("Ymd@Hi")
for _, day := range allDays {
for _, timeAt := range dayTimes {
var key = day + "@" + timeAt
if key >= currentTime {
break
}
stat, ok := m[key]
if ok {
result = append(result, stat)
} else {
result = append(result, &pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{
Day: day,
TimeAt: timeAt,
})
}
}
}
return result, nil
}
// Clean 清理过期数据
func (this *UserBandwidthStatDAO) Clean(tx *dbs.Tx) error {
var day = timeutil.Format("Ymd", time.Now().AddDate(0, 0, -100)) // 保留大约3个月的数据
return this.runBatch(func(table string, locker *sync.Mutex) error {
_, err := this.Query(tx).
Table(table).
Lt("day", day).
Delete()
return err
})
}
// 批量执行
func (this *UserBandwidthStatDAO) runBatch(f func(table string, locker *sync.Mutex) error) error {
var locker = &sync.Mutex{}
var wg = sync.WaitGroup{}
wg.Add(UserBandwidthStatTablePartials)
var resultErr error
for i := 0; i < UserBandwidthStatTablePartials; i++ {
var table = this.partialTable(int64(i))
go func(table string) {
defer wg.Done()
err := f(table, locker)
if err != nil {
resultErr = err
}
}(table)
}
wg.Wait()
return resultErr
}
// 获取分区表
func (this *UserBandwidthStatDAO) partialTable(userId int64) string {
return this.Table + "_" + types.String(userId%int64(UserBandwidthStatTablePartials))
}