JCS-pub/client/internal/metacache/storagemeta.go

97 lines
2.3 KiB
Go

package metacache
import (
"time"
"gitlink.org.cn/cloudream/common/pkgs/logger"
"gitlink.org.cn/cloudream/jcs-pub/client/types"
stgglb "gitlink.org.cn/cloudream/jcs-pub/common/globals"
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/mq/coordinator"
cortypes "gitlink.org.cn/cloudream/jcs-pub/coordinator/types"
)
func (m *MetaCacheHost) AddStorageMeta() *UserSpaceMeta {
meta := &UserSpaceMeta{
host: m,
}
meta.cache = NewSimpleMetaCache(SimpleMetaCacheConfig[types.UserSpaceID, types.UserSpaceDetail]{
Getter: meta.load,
Expire: time.Minute * 5,
})
m.caches = append(m.caches, meta)
return meta
}
type UserSpaceMeta struct {
host *MetaCacheHost
cache *SimpleMetaCache[types.UserSpaceID, types.UserSpaceDetail]
}
func (s *UserSpaceMeta) Get(spaceID types.UserSpaceID) *types.UserSpaceDetail {
v, ok := s.cache.Get(spaceID)
if ok {
return &v
}
return nil
}
func (s *UserSpaceMeta) GetMany(spaceIDs []types.UserSpaceID) []*types.UserSpaceDetail {
vs, oks := s.cache.GetMany(spaceIDs)
ret := make([]*types.UserSpaceDetail, len(vs))
for i := range vs {
if oks[i] {
ret[i] = &vs[i]
}
}
return ret
}
func (s *UserSpaceMeta) ClearOutdated() {
s.cache.ClearOutdated()
}
func (s *UserSpaceMeta) load(keys []types.UserSpaceID) ([]types.UserSpaceDetail, []bool) {
vs := make([]types.UserSpaceDetail, len(keys))
oks := make([]bool, len(keys))
spaces, err := s.host.db.UserSpace().BatchGetByID(s.host.db.DefCtx(), keys)
if err != nil {
logger.Warnf("batch get user space by id: %v", err)
return vs, oks
}
coorCli, err := stgglb.CoordinatorMQPool.Acquire()
if err != nil {
logger.Warnf("new coordinator client: %v", err)
return vs, oks
}
defer stgglb.CoordinatorMQPool.Release(coorCli)
stgIDs := make([]cortypes.StorageID, len(spaces))
for i := range spaces {
stgIDs[i] = spaces[i].StorageID
}
getStgs, err := coorCli.GetStorageDetails(coordinator.ReqGetStorageDetails(stgIDs))
if err != nil {
logger.Warnf("get storage details: %v", err)
return vs, oks
}
for i := range spaces {
if getStgs.Storage[i] != nil {
vs[i] = types.UserSpaceDetail{
UserID: stgglb.Local.UserID,
UserSpace: spaces[i],
Storage: getStgs.Storage[i].Storage,
MasterHub: getStgs.Storage[i].MasterHub,
}
oks[i] = true
}
}
return vs, oks
}