Archived
563 lines
15 KiB
Go
563 lines
15 KiB
Go
package models
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import (
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"fmt"
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"github.com/TeaOSLab/EdgeAPI/internal/errors"
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"github.com/TeaOSLab/EdgeAPI/internal/goman"
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"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
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"github.com/TeaOSLab/EdgeAPI/internal/utils"
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"github.com/TeaOSLab/EdgeAPI/internal/utils/regexputils"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
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_ "github.com/go-sql-driver/mysql"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/rands"
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"github.com/iwind/TeaGo/types"
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timeutil "github.com/iwind/TeaGo/utils/time"
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"math"
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"strings"
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"sync"
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"time"
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)
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type UserBandwidthStatDAO dbs.DAO
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const (
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UserBandwidthStatTablePartials = 20
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)
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var fullDataMap = map[string]bool{} // month => bool
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var fullDataLocker = &sync.Mutex{}
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func init() {
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dbs.OnReadyDone(func() {
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// 清理数据任务
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var ticker = time.NewTicker(time.Duration(rands.Int(24, 48)) * time.Hour)
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goman.New(func() {
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for range ticker.C {
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err := SharedUserBandwidthStatDAO.Clean(nil)
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if err != nil {
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remotelogs.Error("SharedUserBandwidthStatDAO", "clean expired data failed: "+err.Error())
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}
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}
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})
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})
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}
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func NewUserBandwidthStatDAO() *UserBandwidthStatDAO {
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return dbs.NewDAO(&UserBandwidthStatDAO{
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DAOObject: dbs.DAOObject{
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DB: Tea.Env,
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Table: "edgeUserBandwidthStats",
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Model: new(UserBandwidthStat),
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PkName: "id",
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},
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}).(*UserBandwidthStatDAO)
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}
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var SharedUserBandwidthStatDAO *UserBandwidthStatDAO
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func init() {
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dbs.OnReady(func() {
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SharedUserBandwidthStatDAO = NewUserBandwidthStatDAO()
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})
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}
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// UpdateUserBandwidth 写入数据
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func (this *UserBandwidthStatDAO) UpdateUserBandwidth(tx *dbs.Tx, userId int64, regionId int64, day string, timeAt string, bytes int64, totalBytes int64, cachedBytes int64, attackBytes int64, countRequests int64, countCachedRequests int64, countAttackRequests int64) error {
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if userId <= 0 {
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// 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
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return nil
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}
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return this.Query(tx).
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Table(this.partialTable(userId)).
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Param("bytes", bytes).
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Param("totalBytes", totalBytes).
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Param("cachedBytes", cachedBytes).
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Param("attackBytes", attackBytes).
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Param("countRequests", countRequests).
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Param("countCachedRequests", countCachedRequests).
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Param("countAttackRequests", countAttackRequests).
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InsertOrUpdateQuickly(maps.Map{
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"userId": userId,
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"regionId": regionId,
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"day": day,
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"timeAt": timeAt,
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"bytes": bytes,
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"totalBytes": totalBytes,
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"avgBytes": totalBytes / 300,
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"cachedBytes": cachedBytes,
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"attackBytes": attackBytes,
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"countRequests": countRequests,
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"countCachedRequests": countCachedRequests,
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"countAttackRequests": countAttackRequests,
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}, maps.Map{
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"bytes": dbs.SQL("bytes+:bytes"),
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"avgBytes": dbs.SQL("(totalBytes+:totalBytes)/300"), // 因为生成SQL语句时会自动将avgBytes排在totalBytes之前，所以这里不用担心先后顺序的问题
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"totalBytes": dbs.SQL("totalBytes+:totalBytes"),
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"cachedBytes": dbs.SQL("cachedBytes+:cachedBytes"),
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"attackBytes": dbs.SQL("attackBytes+:attackBytes"),
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"countRequests": dbs.SQL("countRequests+:countRequests"),
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"countCachedRequests": dbs.SQL("countCachedRequests+:countCachedRequests"),
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"countAttackRequests": dbs.SQL("countAttackRequests+:countAttackRequests"),
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})
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}
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// FindUserPeekBandwidthInMonth 读取某月带宽峰值
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// month YYYYMM
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func (this *UserBandwidthStatDAO) FindUserPeekBandwidthInMonth(tx *dbs.Tx, userId int64, month string, useAvg bool) (*UserBandwidthStat, error) {
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one, err := this.Query(tx).
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Table(this.partialTable(userId)).
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Result("MIN(id) AS id", "MIN(userId) AS userId", "day", "timeAt", this.sumBytesField(useAvg)).
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Attr("userId", userId).
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Between("day", month+"01", month+"31").
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Desc("bytes").
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Group("day").
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Group("timeAt").
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBandwidthStat), nil
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}
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// FindPercentileBetweenDays 获取日期段内内百分位
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// regionId 如果为 -1 表示没有区域的带宽；如果为 0 表示所有区域的带宽
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func (this *UserBandwidthStatDAO) FindPercentileBetweenDays(tx *dbs.Tx, userId int64, regionId int64, dayFrom string, dayTo string, percentile int32, useAvg bool) (result *UserBandwidthStat, err error) {
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if dayFrom > dayTo {
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dayFrom, dayTo = dayTo, dayFrom
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}
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if percentile <= 0 {
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percentile = 95
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}
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// 如果是100%以上，则快速返回
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if percentile >= 100 {
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var query = this.Query(tx).
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Table(this.partialTable(userId))
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if regionId > 0 {
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query.Attr("regionId", regionId)
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} else if regionId < 0 {
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query.Attr("regionId", 0)
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}
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one, err := query.
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Result("MIN(id) AS id", "MIN(userId) AS userId", "day", "timeAt", this.sumBytesField(useAvg)).
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Attr("userId", userId).
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Between("day", dayFrom, dayTo).
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Desc("bytes").
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Group("day").
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Group("timeAt").
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBandwidthStat), nil
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}
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// 总数量
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var totalQuery = this.Query(tx).
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Table(this.partialTable(userId))
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if regionId > 0 {
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totalQuery.Attr("regionId", regionId)
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} else if regionId < 0 {
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totalQuery.Attr("regionId", 0)
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}
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total, err := totalQuery.
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Attr("userId", userId).
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Between("day", dayFrom, dayTo).
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CountAttr("DISTINCT day, timeAt")
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if err != nil {
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return nil, err
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}
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if total == 0 {
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return nil, nil
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}
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var offset int64
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if total > 1 {
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offset = int64(math.Ceil(float64(total) * float64(100-percentile) / 100))
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}
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// 查询 nth 位置
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var query = this.Query(tx).
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Table(this.partialTable(userId))
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if regionId > 0 {
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query.Attr("regionId", regionId)
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} else if regionId < 0 {
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query.Attr("regionId", 0)
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}
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one, err := query.
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Result("MIN(id) AS id", "MIN(userId) AS userId", "day", "timeAt", this.sumBytesField(useAvg)).
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Attr("userId", userId).
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Between("day", dayFrom, dayTo).
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Desc("bytes").
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Group("day").
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Group("timeAt").
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Offset(offset).
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBandwidthStat), nil
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}
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// FindUserPeekBandwidthInDay 读取某日带宽峰值
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// day YYYYMMDD
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func (this *UserBandwidthStatDAO) FindUserPeekBandwidthInDay(tx *dbs.Tx, userId int64, day string, useAvg bool) (*UserBandwidthStat, error) {
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one, err := this.Query(tx).
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Table(this.partialTable(userId)).
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Result("MIN(id) AS id", "MIN(userId) AS userId", "MIN(day) AS day", "timeAt", this.sumBytesField(useAvg)).
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Attr("userId", userId).
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Attr("day", day).
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Desc("bytes").
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Group("timeAt").
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBandwidthStat), nil
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}
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// FindUserBandwidthStatsBetweenDays 查找日期段内的带宽峰值
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// dayFrom YYYYMMDD
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// dayTo YYYYMMDD
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func (this *UserBandwidthStatDAO) FindUserBandwidthStatsBetweenDays(tx *dbs.Tx, userId int64, regionId int64, dayFrom string, dayTo string, useAvg bool) (result []*pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat, err error) {
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if userId <= 0 {
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return nil, nil
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}
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if !regexputils.YYYYMMDD.MatchString(dayFrom) {
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return nil, errors.New("invalid dayFrom '" + dayFrom + "'")
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}
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if !regexputils.YYYYMMDD.MatchString(dayTo) {
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return nil, errors.New("invalid dayTo '" + dayTo + "'")
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}
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if dayFrom > dayTo {
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dayFrom, dayTo = dayTo, dayFrom
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}
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var query = this.Query(tx).
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Table(this.partialTable(userId))
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if regionId > 0 {
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query.Attr("regionId", regionId)
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}
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ones, _, err := query.
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Result(this.sumBytesField(useAvg), "day", "timeAt").
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Attr("userId", userId).
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Between("day", dayFrom, dayTo).
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Group("day").
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Group("timeAt").
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FindOnes()
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if err != nil {
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return nil, err
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}
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var m = map[string]*pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{}
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for _, one := range ones {
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var day = one.GetString("day")
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var bytes = one.GetInt64("bytes")
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var timeAt = one.GetString("timeAt")
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var key = day + "@" + timeAt
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m[key] = &pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{
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Bytes: bytes,
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Bits: bytes * 8,
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Day: day,
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TimeAt: timeAt,
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}
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}
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allDays, err := utils.RangeDays(dayFrom, dayTo)
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if err != nil {
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return nil, err
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}
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dayTimes, err := utils.Range24HourTimes(5)
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if err != nil {
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return nil, err
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}
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// 截止到当前时间
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var currentTime = timeutil.Format("Ymd@Hi")
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for _, day := range allDays {
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for _, timeAt := range dayTimes {
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var key = day + "@" + timeAt
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if key >= currentTime {
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break
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}
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stat, ok := m[key]
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if ok {
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result = append(result, stat)
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} else {
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result = append(result, &pb.FindDailyServerBandwidthStatsBetweenDaysResponse_Stat{
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Day: day,
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TimeAt: timeAt,
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})
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}
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}
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}
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return result, nil
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}
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// FindDistinctUserIds 获取所有有带宽的用户ID
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// dayFrom YYYYMMDD
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// dayTo YYYYMMDD
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func (this *UserBandwidthStatDAO) FindDistinctUserIds(tx *dbs.Tx, dayFrom string, dayTo string) (userIds []int64, err error) {
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dayFrom = strings.ReplaceAll(dayFrom, "-", "")
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dayTo = strings.ReplaceAll(dayTo, "-", "")
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err = this.runBatch(func(table string, locker *sync.Mutex) error {
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ones, err := this.Query(tx).
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Table(table).
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Between("day", dayFrom, dayTo).
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Result("DISTINCT userId").
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FindAll()
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if err != nil {
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return err
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}
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for _, one := range ones {
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locker.Lock()
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var userId = int64(one.(*UserBandwidthStat).UserId)
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if userId > 0 {
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userIds = append(userIds, userId)
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}
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locker.Unlock()
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}
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return nil
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})
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return
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}
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// SumUserMonthly 获取某月流量总和
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// month 格式为YYYYMM
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func (this *UserBandwidthStatDAO) SumUserMonthly(tx *dbs.Tx, userId int64, month string) (int64, error) {
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// 兼容以往版本
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hasFullData, err := this.HasFullData(tx, userId, month)
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if err != nil {
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return 0, err
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}
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if !hasFullData {
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return SharedServerDailyStatDAO.compatSumUserMonthly(tx, userId, month)
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}
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return this.Query(tx).
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Table(this.partialTable(userId)).
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Between("day", month+"01", month+"31").
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Attr("userId", userId).
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SumInt64("totalBytes", 0)
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}
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// SumUserDaily 获取某天流量总和
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// day 格式为YYYYMMDD
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func (this *UserBandwidthStatDAO) SumUserDaily(tx *dbs.Tx, userId int64, regionId int64, day string) (stat *UserBandwidthStat, err error) {
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if !regexputils.YYYYMMDD.MatchString(day) {
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return nil, nil
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}
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// 兼容以往版本
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hasFullData, err := this.HasFullData(tx, userId, day[:6])
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if err != nil {
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return nil, err
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}
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if !hasFullData {
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serverStat, err := SharedServerDailyStatDAO.compatSumUserDaily(tx, userId, regionId, day)
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if err != nil || serverStat == nil {
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return nil, err
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}
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return serverStat.AsUserBandwidthStat(), nil
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}
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var query = this.Query(tx)
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if regionId > 0 {
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query.Attr("regionId", regionId)
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}
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one, err := query.
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Table(this.partialTable(userId)).
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Attr("day", day).
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Attr("userId", userId).
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Result("SUM(totalBytes) AS totalBytes", "SUM(cachedBytes) AS cachedBytes", "SUM(attackBytes) AS attackBytes", "SUM(countRequests) AS countRequests", "SUM(countCachedRequests) AS countCachedRequests", "SUM(countAttackRequests) AS countAttackRequests").
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Find()
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if err != nil || one == nil {
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return nil, err
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}
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return one.(*UserBandwidthStat), nil
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}
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// SumDailyStat 获取某天内的流量
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// dayFrom 格式为YYYYMMDD
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// dayTo 格式为YYYYMMDD
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func (this *UserBandwidthStatDAO) SumDailyStat(tx *dbs.Tx, userId int64, regionId int64, dayFrom string, dayTo string) (stat *pb.ServerDailyStat, err error) {
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if !regexputils.YYYYMMDD.MatchString(dayFrom) {
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return nil, errors.New("invalid dayFrom '" + dayFrom + "'")
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}
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if !regexputils.YYYYMMDD.MatchString(dayTo) {
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return nil, errors.New("invalid dayTo '" + dayTo + "'")
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}
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// 兼容以往版本
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hasFullData, err := this.HasFullData(tx, userId, dayFrom[:6])
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if err != nil {
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return nil, err
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}
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if !hasFullData {
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return SharedServerDailyStatDAO.compatSumDailyStat(tx, userId, 0, regionId, dayFrom, dayTo)
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}
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stat = &pb.ServerDailyStat{}
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if userId <= 0 {
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return
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}
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if dayFrom > dayTo {
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dayFrom, dayTo = dayTo, dayFrom
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}
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var query = this.Query(tx).
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Table(this.partialTable(userId)).
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Result("SUM(totalBytes) AS totalBytes, SUM(cachedBytes) AS cachedBytes, SUM(countRequests) AS countRequests, SUM(countCachedRequests) AS countCachedRequests, SUM(countAttackRequests) AS countAttackRequests, SUM(attackBytes) AS attackBytes")
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query.Attr("userId", userId)
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if regionId > 0 {
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query.Attr("regionId", regionId)
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}
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if dayFrom == dayTo {
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query.Attr("day", dayFrom)
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} else {
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query.Between("day", dayFrom, dayTo)
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}
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one, _, err := query.FindOne()
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if err != nil {
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return nil, err
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}
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if one == nil {
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return
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}
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stat.Bytes = one.GetInt64("totalBytes")
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stat.CachedBytes = one.GetInt64("cachedBytes")
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stat.CountRequests = one.GetInt64("countRequests")
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stat.CountCachedRequests = one.GetInt64("countCachedRequests")
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stat.CountAttackRequests = one.GetInt64("countAttackRequests")
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stat.AttackBytes = one.GetInt64("attackBytes")
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return
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}
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// Clean 清理过期数据
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func (this *UserBandwidthStatDAO) Clean(tx *dbs.Tx) error {
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var day = timeutil.Format("Ymd", time.Now().AddDate(0, 0, -100)) // 保留大约3个月的数据
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return this.runBatch(func(table string, locker *sync.Mutex) error {
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_, err := this.Query(tx).
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Table(table).
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Lt("day", day).
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Delete()
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return err
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})
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}
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// 批量执行
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func (this *UserBandwidthStatDAO) runBatch(f func(table string, locker *sync.Mutex) error) error {
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var locker = &sync.Mutex{}
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var wg = sync.WaitGroup{}
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wg.Add(UserBandwidthStatTablePartials)
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var resultErr error
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for i := 0; i < UserBandwidthStatTablePartials; i++ {
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var table = this.partialTable(int64(i))
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go func(table string) {
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defer wg.Done()
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err := f(table, locker)
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if err != nil {
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resultErr = err
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}
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}(table)
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}
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wg.Wait()
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return resultErr
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}
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// 获取分区表
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func (this *UserBandwidthStatDAO) partialTable(userId int64) string {
|
|
return this.Table + "_" + types.String(userId%int64(UserBandwidthStatTablePartials))
|
|
}
|
|
|
|
// 获取总数字段
|
|
func (this *UserBandwidthStatDAO) sumBytesField(useAvg bool) string {
|
|
if useAvg {
|
|
return "SUM(avgBytes) AS bytes"
|
|
}
|
|
return "SUM(bytes) AS bytes"
|
|
}
|
|
|
|
func (this *UserBandwidthStatDAO) fixUserStat(stat *UserBandwidthStat, useAvg bool) *UserBandwidthStat {
|
|
if stat == nil {
|
|
return nil
|
|
}
|
|
if useAvg {
|
|
stat.Bytes = stat.AvgBytes
|
|
}
|
|
return stat
|
|
}
|
|
|
|
// HasFullData 检查一个月是否完整数据
|
|
// 是为了兼容以前数据，以前的表中没有缓存流量、请求数等字段
|
|
func (this *UserBandwidthStatDAO) HasFullData(tx *dbs.Tx, userId int64, month string) (bool, error) {
|
|
if !regexputils.YYYYMM.MatchString(month) {
|
|
return false, errors.New("invalid month '" + month + "'")
|
|
}
|
|
|
|
fullDataLocker.Lock()
|
|
hasData, ok := fullDataMap[month]
|
|
fullDataLocker.Unlock()
|
|
if ok {
|
|
return hasData, nil
|
|
}
|
|
|
|
var year = types.Int(month[:4])
|
|
var monthInt = types.Int(month[4:])
|
|
|
|
if year < 2000 || monthInt > 12 || monthInt < 1 {
|
|
return false, nil
|
|
}
|
|
|
|
var lastMonth = monthInt - 1
|
|
if lastMonth == 0 {
|
|
lastMonth = 12
|
|
year--
|
|
}
|
|
|
|
var lastMonthString = fmt.Sprintf("%d%02d", year, lastMonth)
|
|
one, err := this.Query(tx).
|
|
Table(this.partialTable(userId)).
|
|
Between("day", lastMonthString+"01", lastMonthString+"31").
|
|
DescPk().
|
|
Find()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
var b = one != nil && one.(*UserBandwidthStat).CountRequests > 0
|
|
fullDataLocker.Lock()
|
|
fullDataMap[month] = b
|
|
fullDataLocker.Unlock()
|
|
|
|
return b, nil
|
|
}
|