package topology import ( "github.com/seaweedfs/seaweedfs/weed/pb/master_pb" "github.com/seaweedfs/seaweedfs/weed/storage/types" "github.com/seaweedfs/seaweedfs/weed/util" "golang.org/x/exp/slices" "time" ) type Rack struct { NodeImpl } func NewRack(id string) *Rack { r := &Rack{} r.id = NodeId(id) r.nodeType = "Rack" r.diskUsages = newDiskUsages() r.children = make(map[NodeId]Node) r.NodeImpl.value = r return r } func (r *Rack) FindDataNode(ip string, port int) *DataNode { for _, c := range r.Children() { dn := c.(*DataNode) if dn.MatchLocation(ip, port) { return dn } } return nil } func (r *Rack) GetOrCreateDataNode(ip string, port int, grpcPort int, publicUrl string, maxVolumeCounts map[string]uint32) *DataNode { for _, c := range r.Children() { dn := c.(*DataNode) if dn.MatchLocation(ip, port) { dn.LastSeen = time.Now().Unix() return dn } } dn := NewDataNode(util.JoinHostPort(ip, port)) dn.Ip = ip dn.Port = port dn.GrpcPort = grpcPort dn.PublicUrl = publicUrl dn.LastSeen = time.Now().Unix() r.LinkChildNode(dn) for diskType, maxVolumeCount := range maxVolumeCounts { disk := NewDisk(diskType) disk.diskUsages.getOrCreateDisk(types.ToDiskType(diskType)).maxVolumeCount = int64(maxVolumeCount) dn.LinkChildNode(disk) } return dn } type RackInfo struct { Id NodeId `json:"Id"` DataNodes []DataNodeInfo `json:"DataNodes"` } func (r *Rack) ToInfo() (info RackInfo) { info.Id = r.Id() var dns []DataNodeInfo for _, c := range r.Children() { dn := c.(*DataNode) dns = append(dns, dn.ToInfo()) } slices.SortFunc(dns, func(a, b DataNodeInfo) bool { return a.Url < b.Url }) info.DataNodes = dns return } func (r *Rack) ToRackInfo() *master_pb.RackInfo { m := &master_pb.RackInfo{ Id: string(r.Id()), DiskInfos: r.diskUsages.ToDiskInfo(), } for _, c := range r.Children() { dn := c.(*DataNode) m.DataNodeInfos = append(m.DataNodeInfos, dn.ToDataNodeInfo()) } return m }