77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package dao
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import (
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"context"
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"sync"
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accountApi "go-common/app/service/main/account/api"
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account "go-common/app/service/main/account/model"
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"go-common/library/log"
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"go-common/library/sync/errgroup"
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)
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const (
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_perCall = 50
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)
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func chain(ids ...[]int64) []int64 {
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res := make([]int64, 0, len(ids))
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for _, l := range ids {
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res = append(res, l...)
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}
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return res
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}
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func uniq(ids ...[]int64) []int64 {
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hm := make(map[int64]struct{})
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for _, i := range chain(ids...) {
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hm[i] = struct{}{}
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}
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res := make([]int64, 0, len(ids))
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for i := range hm {
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res = append(res, i)
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}
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return res
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}
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// RPCInfos rpc info get by muti mid .
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func (d *Dao) RPCInfos(c context.Context, mids []int64) (res map[int64]*account.Info, err error) {
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var (
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g errgroup.Group
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l sync.RWMutex
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)
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mids = uniq(mids)
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total := len(mids)
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pageNum := total / _perCall
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if total%_perCall != 0 {
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pageNum++
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}
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res = make(map[int64]*account.Info, total)
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for i := 0; i < pageNum; i++ {
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start := i * _perCall
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end := (i + 1) * _perCall
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if end > total {
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end = total
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}
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g.Go(func() (err error) {
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midsReq := &accountApi.MidsReq{Mids: mids[start:end]}
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infosReply, err := d.accountClient.Infos3(c, midsReq)
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if err != nil {
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log.Error("d.accountClient.Infos3(%+v) error(%v)", midsReq, err)
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err = nil
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return
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}
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for mid, info := range infosReply.Infos {
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l.Lock()
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res[mid] = info
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l.Unlock()
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}
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return
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})
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}
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if err = g.Wait(); err != nil {
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log.Error("g.Wait error(%v)", err)
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}
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return
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}
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