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

107 lines
2.5 KiB
Go

package metacache
import (
"context"
"time"
"gitlink.org.cn/cloudream/common/pkgs/logger"
stgglb "gitlink.org.cn/cloudream/jcs-pub/common/globals"
corrpc "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/rpc/coordinator"
jcstypes "gitlink.org.cn/cloudream/jcs-pub/common/types"
)
func (m *MetaCacheHost) AddStorageMeta() *UserSpaceMeta {
meta := &UserSpaceMeta{
host: m,
}
meta.cache = NewSimpleMetaCache(SimpleMetaCacheConfig[jcstypes.UserSpaceID, jcstypes.UserSpaceDetail]{
Getter: meta.load,
Expire: time.Minute * 5,
})
m.caches = append(m.caches, meta)
return meta
}
type UserSpaceMeta struct {
host *MetaCacheHost
cache *SimpleMetaCache[jcstypes.UserSpaceID, jcstypes.UserSpaceDetail]
}
func (s *UserSpaceMeta) Get(spaceID jcstypes.UserSpaceID) *jcstypes.UserSpaceDetail {
v, ok := s.cache.Get(spaceID)
if ok {
return &v
}
return nil
}
func (s *UserSpaceMeta) GetMany(spaceIDs []jcstypes.UserSpaceID) []*jcstypes.UserSpaceDetail {
vs, oks := s.cache.GetMany(spaceIDs)
ret := make([]*jcstypes.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) Drop(keys []jcstypes.UserSpaceID) {
s.cache.Drop(keys)
}
func (s *UserSpaceMeta) load(keys []jcstypes.UserSpaceID) ([]jcstypes.UserSpaceDetail, []bool) {
vs := make([]jcstypes.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
}
detailMap := make(map[jcstypes.UserSpaceID]*jcstypes.UserSpaceDetail)
for i := range spaces {
detailMap[spaces[i].UserSpaceID] = &jcstypes.UserSpaceDetail{
UserID: stgglb.UserID,
UserSpace: spaces[i],
}
}
if !stgglb.StandaloneMode {
coorCli := stgglb.CoordinatorRPCPool.Get()
defer coorCli.Release()
stgs := make([]jcstypes.StorageType, len(spaces))
for i := range spaces {
stgs[i] = spaces[i].Storage
}
selectHubs, cerr := coorCli.SelectStorageHub(context.Background(), &corrpc.SelectStorageHub{
Storages: stgs,
})
if cerr != nil {
logger.Warnf("get storage details: %v", cerr)
return vs, oks
}
for i := range spaces {
detailMap[spaces[i].UserSpaceID].RecommendHub = selectHubs.Hubs[i]
}
}
for i := range keys {
if detail, ok := detailMap[keys[i]]; ok {
vs[i] = *detail
oks[i] = true
}
}
return vs, oks
}