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package topology
import (
"sort"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
func (t *Topology) SyncDataNodeEcShards(shardInfos []*master_pb.VolumeEcShardInformationMessage, dn *DataNode) (newShards, deletedShards []*erasure_coding.EcVolumeInfo) {
// convert into in memory struct storage.VolumeInfo
var shards []*erasure_coding.EcVolumeInfo
sort.Slice(shardInfos, func(i, j int) bool {
return shardInfos[i].Id < shardInfos[j].Id
})
var prevVolumeId uint32
var ecVolumeInfo *erasure_coding.EcVolumeInfo
for _, shardInfo := range shardInfos {
if shardInfo.Id != prevVolumeId {
ecVolumeInfo = erasure_coding.NewEcVolumeInfo(shardInfo.Collection, needle.VolumeId(shardInfo.Id))
shards = append(shards, ecVolumeInfo)
}
ecVolumeInfo.AddShardId(erasure_coding.ShardId(shardInfo.EcIndex))
}
// find out the delta volumes
newShards, deletedShards = dn.UpdateEcShards(shards)
for _, v := range newShards {
t.RegisterEcShards(v, dn)
}
for _, v := range deletedShards {
t.UnRegisterEcShards(v, dn)
}
return
}
func (t *Topology) RegisterEcShards(ecShardInfos *erasure_coding.EcVolumeInfo, dn *DataNode) {
}
func (t *Topology) UnRegisterEcShards(ecShardInfos *erasure_coding.EcVolumeInfo, dn *DataNode) {
glog.Infof("removing ec shard info:%+v", ecShardInfos)
}
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