go-common/app/admin/main/dm/dao/mysql.go
2019-04-22 18:49:16 +08:00

324 lines
11 KiB
Go

package dao
import (
"context"
"fmt"
"sync"
"go-common/app/admin/main/dm/model"
"go-common/library/database/sql"
"go-common/library/log"
"go-common/library/sync/errgroup"
"go-common/library/xstr"
)
const (
_pageSize = 1000
_subjectSharding = 100
_indexSharding = 1000
_contentSharding = 1000
// subject
_updateSubAttr = "UPDATE dm_subject_%02d SET attr=? WHERE type=? AND oid=?"
_updateSubCount = "UPDATE dm_subject_%02d SET acount=?,count=? WHERE type=? AND oid=?"
_updateSubMCountSQL = "UPDATE dm_subject_%02d SET mcount=? WHERE type=? AND oid=?"
_incrSubMoveCntSQL = "UPDATE dm_subject_%02d SET move_count=move_count+? WHERE type=? AND oid=?"
_updateSubPoolSQL = "UPDATE dm_subject_%02d SET childpool=? WHERE type=? AND oid=?"
_updateSubStateSQL = "UPDATE dm_subject_%02d SET state=? WHERE type=? AND oid=?"
_updateSubMaxlimitSQL = "UPDATE dm_subject_%02d SET maxlimit=? WHERE type=? AND oid=?"
_incrSubCountSQL = "UPDATE dm_subject_%02d SET count=count+? WHERE type=? AND oid=?"
_selectDMCount = "SELECT count(*) from dm_index_%03d WHERE type=? AND oid=? AND state IN(%s)"
_subSQL = "SELECT id,type,oid,pid,mid,state,attr,acount,count,mcount,move_count,maxlimit,childpool,ctime,mtime FROM dm_subject_%02d WHERE type=? AND oid=?"
_getSubjectsSQL = "SELECT id,type,oid,pid,mid,state,attr,acount,count,mcount,move_count,maxlimit,childpool,ctime,mtime FROM dm_subject_%02d WHERE type=? AND oid IN(%s)"
_contentsSQL = "SELECT dmid,fontsize,color,mode,ip,plat,msg,ctime,mtime FROM dm_content_%03d WHERE dmid IN(%s)"
_contentsSpeSQL = "SELECT dmid,msg,ctime,mtime FROM dm_special_content WHERE dmid IN(%s)"
_idxsByidSQL = "SELECT id,type,oid,mid,progress,state,pool,attr,ctime,mtime FROM dm_index_%03d WHERE type=? AND oid=? AND id IN(%s)"
_updatePoolID = "UPDATE dm_index_%03d SET pool=? WHERE type=? AND id IN (%s)"
_updateDMState = "UPDATE dm_index_%03d SET state=? WHERE type=? AND id IN (%s)"
_updateDMAttr = "UPDATE dm_index_%03d SET attr=? WHERE type=? AND id IN (%s)"
)
func (d *Dao) hitSubject(oid int64) int64 {
return oid % _subjectSharding
}
func (d *Dao) hitIndex(oid int64) int64 {
return oid % _indexSharding
}
func (d *Dao) hitContent(oid int64) int64 {
return oid % _contentSharding
}
// UpSubjectAttr update subject attr.
func (d *Dao) UpSubjectAttr(c context.Context, tp int32, oid int64, attr int32) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubAttr, d.hitSubject(oid)), attr, tp, oid)
if err != nil {
log.Error("dmMetaWriter.Exec() error(%v)", err)
return
}
return res.RowsAffected()
}
// UpSubjectCount update acount,count of subject.
func (d *Dao) UpSubjectCount(c context.Context, tp int32, oid, acount, count int64) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubCount, d.hitSubject(oid)), acount, count, tp, oid)
if err != nil {
log.Error("dmMetaWriter.Exec() error(%v)", err)
return
}
return res.RowsAffected()
}
// IncrSubjectCount update count.
func (d *Dao) IncrSubjectCount(c context.Context, tp int32, oid, count int64) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_incrSubCountSQL, d.hitSubject(oid)), count, tp, oid)
if err != nil {
log.Error("dmMetaWriter.Exec() error(%v)", err)
return
}
return res.RowsAffected()
}
// UpSubjectMCount update monitor dm count.
func (d *Dao) UpSubjectMCount(c context.Context, tp int32, oid, cnt int64) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubMCountSQL, d.hitSubject(oid)), cnt, tp, oid)
if err != nil {
log.Error("d.dmMetaWriter.Exect(%s,%d,%d,%d) error(%v)", _updateSubMCountSQL, cnt, tp, oid, err)
return
}
return res.RowsAffected()
}
// IncrSubMoveCount update move_count in dm_subject.
func (d *Dao) IncrSubMoveCount(c context.Context, tp int32, oid, count int64) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_incrSubMoveCntSQL, d.hitSubject(oid)), count, tp, oid)
if err != nil {
log.Error("d.dmMetaWriter.Exec(%s,%d,%d,%d) error(%v)", _incrSubMoveCntSQL, tp, oid, count, err)
return
}
return res.RowsAffected()
}
// UpSubjectPool update childpool in dm subject.
func (d *Dao) UpSubjectPool(c context.Context, tp int32, oid int64, childpool int32) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubPoolSQL, d.hitSubject(oid)), childpool, tp, oid)
if err != nil {
log.Error("d.dmWriter.Exect(%s,%d,%d,%d) error(%v)", _updateSubPoolSQL, childpool, tp, oid, err)
return
}
return res.RowsAffected()
}
// UpSubjectState update state in dm subject.
func (d *Dao) UpSubjectState(c context.Context, tp int32, oid int64, state int32) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubStateSQL, d.hitSubject(oid)), state, tp, oid)
if err != nil {
log.Error("d.dmWriter.Exect(%s,%d,%d,%d) error(%v)", _updateSubStateSQL, state, tp, oid, err)
return
}
return res.RowsAffected()
}
// UpSubjectMaxlimit update maxlimit in dm subject.
func (d *Dao) UpSubjectMaxlimit(c context.Context, tp int32, oid, maxlimit int64) (affect int64, err error) {
res, err := d.dmMetaWriter.Exec(c, fmt.Sprintf(_updateSubMaxlimitSQL, d.hitSubject(oid)), maxlimit, tp, oid)
if err != nil {
log.Error("d.dmWriter.Exect(%s,%d,%d,%d) error(%v)", _updateSubMaxlimitSQL, maxlimit, tp, oid, err)
return
}
return res.RowsAffected()
}
// DMCount statistics dm count by dm state.
func (d *Dao) DMCount(c context.Context, tp int32, oid int64, states []int64) (count int64, err error) {
row := d.dmMetaReader.QueryRow(c, fmt.Sprintf(_selectDMCount, d.hitIndex(oid), xstr.JoinInts(states)), tp, oid)
if err = row.Scan(&count); err != nil {
log.Error("row.Scan() error(%v)", err)
}
return
}
// Subject get subject info from db.
func (d *Dao) Subject(c context.Context, tp int32, oid int64) (s *model.Subject, err error) {
s = &model.Subject{}
row := d.dmMetaReader.QueryRow(c, fmt.Sprintf(_subSQL, d.hitSubject(oid)), tp, oid)
if err = row.Scan(&s.ID, &s.Type, &s.Oid, &s.Pid, &s.Mid, &s.State, &s.Attr, &s.ACount, &s.Count, &s.MCount, &s.MoveCnt, &s.Maxlimit, &s.Childpool, &s.Ctime, &s.Mtime); err != nil {
if err == sql.ErrNoRows {
s = nil
err = nil
} else {
log.Error("row.Scan() error(%v)", err)
}
}
return
}
// Subjects multi get subjects.
func (d *Dao) Subjects(c context.Context, tp int32, oids []int64) (res map[int64]*model.Subject, err error) {
var (
oidMap = make(map[int64][]int64)
mutext = &sync.Mutex{}
wg, errCtx = errgroup.WithContext(c)
)
if len(oids) == 0 {
return
}
res = make(map[int64]*model.Subject, len(oids))
for _, oid := range oids {
if _, ok := oidMap[d.hitSubject(oid)]; !ok {
oidMap[d.hitSubject(oid)] = make([]int64, 0)
}
oidMap[d.hitSubject(oid)] = append(oidMap[d.hitSubject(oid)], oid)
}
for key, value := range oidMap {
k := key
v := value
wg.Go(func() (err error) {
rows, err := d.dmMetaReader.Query(errCtx, fmt.Sprintf(_getSubjectsSQL, k, xstr.JoinInts(v)), tp)
if err != nil {
log.Error("dmMetaReader.Query() error(%v)", err)
return
}
defer rows.Close()
for rows.Next() {
s := &model.Subject{}
err = rows.Scan(&s.ID, &s.Type, &s.Oid, &s.Pid, &s.Mid, &s.State, &s.Attr, &s.ACount, &s.Count, &s.MCount, &s.MoveCnt, &s.Maxlimit, &s.Childpool, &s.Ctime, &s.Mtime)
if err != nil {
log.Error("rows.Scan() error(%v)", err)
return
}
mutext.Lock()
res[s.Oid] = s
mutext.Unlock()
}
return
})
}
if err = wg.Wait(); err != nil {
log.Error("d.Subjects() error(%v)", err)
return
}
if len(res) == 0 {
res = nil
}
return
}
// SetStateByIDs change danmu state in new db
func (d *Dao) SetStateByIDs(c context.Context, tp int32, oid int64, ids []int64, state int32) (affect int64, err error) {
sqlStr := fmt.Sprintf(_updateDMState, d.hitIndex(oid), xstr.JoinInts(ids))
res, err := d.dmMetaWriter.Exec(c, sqlStr, state, tp)
if err != nil {
log.Error("d.dmMetaWriter.Exec(%s %d) error(%v)", sqlStr, state, err)
return
}
return res.RowsAffected()
}
// SetAttrByIDs set attr by mult dmids in new db
func (d *Dao) SetAttrByIDs(c context.Context, tp int32, oid int64, ids []int64, val int32) (affect int64, err error) {
sqlStr := fmt.Sprintf(_updateDMAttr, d.hitIndex(oid), xstr.JoinInts(ids))
res, err := d.dmMetaWriter.Exec(c, sqlStr, val, tp)
if err != nil {
log.Error("d.dmMetaWriter.Exec(%s %d) error(%v)", sqlStr, val, err)
return
}
return res.RowsAffected()
}
// SetPoolIDByIDs change danmu poolid
func (d *Dao) SetPoolIDByIDs(c context.Context, tp int32, oid int64, pool int32, dmids []int64) (affect int64, err error) {
sqlStr := fmt.Sprintf(_updatePoolID, d.hitIndex(oid), xstr.JoinInts(dmids))
res, err := d.dmMetaWriter.Exec(c, sqlStr, pool, tp)
if err != nil {
log.Error("d.dbComment.Exec(%v) error(%v)", sqlStr, err)
return
}
return res.RowsAffected()
}
// IndexsByID get dm index by dmids.
func (d *Dao) IndexsByID(c context.Context, tp int32, oid int64, dmids []int64) (idxMap map[int64]*model.DM, special []int64, err error) {
query := fmt.Sprintf(_idxsByidSQL, d.hitIndex(oid), xstr.JoinInts(dmids))
rows, err := d.dmMetaReader.Query(c, query, tp, oid)
if err != nil {
log.Error("db.Query() error(%v)", err)
return
}
defer rows.Close()
idxMap = make(map[int64]*model.DM, len(dmids))
for rows.Next() {
idx := new(model.DM)
if err = rows.Scan(&idx.ID, &idx.Type, &idx.Oid, &idx.Mid, &idx.Progress, &idx.State, &idx.Pool, &idx.Attr, &idx.Ctime, &idx.Mtime); err != nil {
log.Error("row.Scan() error(%v)", err)
return
}
idxMap[idx.ID] = idx
if idx.Pool == model.PoolSpecial {
special = append(special, idx.ID)
}
}
return
}
// Contents multi get dm content by dmids.
func (d *Dao) Contents(c context.Context, oid int64, dmids []int64) (res []*model.Content, err error) {
var (
wg errgroup.Group
lock sync.Mutex
)
pageNum := len(dmids) / _pageSize
if len(dmids)%_pageSize > 0 {
pageNum = pageNum + 1
}
for i := 0; i < pageNum; i++ {
start := i * _pageSize
end := (i + 1) * _pageSize
if end > len(dmids) {
end = len(dmids)
}
wg.Go(func() (err error) {
rows, err := d.dmMetaReader.Query(c, fmt.Sprintf(_contentsSQL, d.hitContent(oid), xstr.JoinInts(dmids[start:end])))
if err != nil {
log.Error("db.Query(%s) error(%v)", fmt.Sprintf(_contentsSQL, d.hitContent(oid), xstr.JoinInts(dmids)), err)
return
}
defer rows.Close()
for rows.Next() {
ct := &model.Content{}
if err = rows.Scan(&ct.ID, &ct.FontSize, &ct.Color, &ct.Mode, &ct.IP, &ct.Plat, &ct.Msg, &ct.Ctime, &ct.Mtime); err != nil {
log.Error("rows.Scan() error(%v)", err)
return
}
lock.Lock()
res = append(res, ct)
lock.Unlock()
}
return
})
}
err = wg.Wait()
return
}
// SpecialContents multi get special dm content by dmids.
func (d *Dao) SpecialContents(c context.Context, dmids []int64) (res map[int64]*model.ContentSpecial, err error) {
res = make(map[int64]*model.ContentSpecial, len(dmids))
rows, err := d.dmMetaReader.Query(c, fmt.Sprintf(_contentsSpeSQL, xstr.JoinInts(dmids)))
if err != nil {
log.Error("db.Query() error(%v)", err)
return
}
defer rows.Close()
for rows.Next() {
content := &model.ContentSpecial{}
if err = rows.Scan(&content.ID, &content.Msg, &content.Ctime, &content.Mtime); err != nil {
log.Error("rows.Scan() error(%v)", err)
return
}
res[content.ID] = content
}
return
}