go-common/app/interface/main/kvo/service/service.go

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2019-04-22 10:49:16 +00:00
package service
import (
"context"
conf "go-common/app/interface/main/kvo/conf"
"go-common/app/interface/main/kvo/dao"
"go-common/library/log"
"go-common/library/stat/prom"
)
// Service kvo main service
type Service struct {
da *dao.Dao
docLimit int
sp *prom.Prom
cacheUcCh chan *cacheUc
}
type cacheUc struct {
mid int64
moduleKeyID int
}
// New get a kvo service
func New(c *conf.Config) *Service {
da := dao.New(c)
s := &Service{
da: da,
// limit data size
docLimit: c.Rule.DocLimit,
cacheUcCh: make(chan *cacheUc, 1024),
sp: prom.New().WithCounter("conf_cache", []string{"method"}),
}
go s.cacheUcProc()
return s
}
func (s *Service) updateUcCache(mid int64, moduleKeyID int) {
select {
case s.cacheUcCh <- &cacheUc{
mid: mid,
moduleKeyID: moduleKeyID,
}:
default:
log.Info("s.cacheUcCh is full")
}
}
func (s *Service) cacheUcProc() {
for cuc := range s.cacheUcCh {
uc, err := s.da.UserConf(context.Background(), cuc.mid, cuc.moduleKeyID)
if err != nil {
log.Error("service.cacheUcProc(%v,%v),err:%v", cuc.mid, cuc.moduleKeyID)
continue
}
if uc != nil {
s.da.SetUserConfCache(context.Background(), uc)
}
}
}
// Ping kvo service check
func (s *Service) Ping(ctx context.Context) (err error) {
return s.da.Ping(ctx)
}