package topology import ( "strconv" "time" ) type Rack struct { NodeImpl } func NewRack(id string) *Rack { r := &Rack{} r.id = NodeId(id) r.nodeType = "Rack" 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, adminPort int, publicUrl string, maxVolumeCount int) *DataNode { for _, c := range r.Children() { dn := c.(*DataNode) if dn.MatchLocation(ip, port) { dn.LastSeen = time.Now().Unix() if dn.Dead { dn.Dead = false r.GetTopology().chanRecoveredDataNodes <- dn dn.UpAdjustMaxVolumeCountDelta(maxVolumeCount - dn.maxVolumeCount) } return dn } } dn := NewDataNode(ip + ":" + strconv.Itoa(port)) dn.Ip = ip dn.Port = port dn.AdminPort = adminPort dn.PublicUrl = publicUrl dn.maxVolumeCount = maxVolumeCount dn.LastSeen = time.Now().Unix() r.LinkChildNode(dn) return dn } func (rack *Rack) ToMap() interface{} { m := make(map[string]interface{}) m["Id"] = rack.Id() m["Max"] = rack.GetMaxVolumeCount() m["Free"] = rack.FreeSpace() var dns []interface{} for _, c := range rack.Children() { dn := c.(*DataNode) dns = append(dns, dn.ToMap()) } m["DataNodes"] = dns return m }