register reported topology

weed-fs/src/pkg/admin/storage.go

@@ -29,3 +29,19 @@ func AllocateVolume(dn *topology.DataNode, vid storage.VolumeId, repType storage
   }
   return nil
 }
+
+func SendVolumeLocationsList(t *topology.Topology, vid storage.VolumeId) error{
+//  values := make(url.Values)
+//  values.Add("volumeLocationsList", vid.String())
+//  volumeLocations:= []map[string]string{}
+//  list := t.GetVolumeLocations(vid)
+//  m := make(map[string]interface{})
+//  m["Vid"] = vid.String()
+//  for _, dn := range list {
+//    m["Locations"] = append(m["Locations"], dn)
+//  }
+//  for _, dn := range list {
+//    util.Post("http://"+dn.Ip+":"+strconv.Itoa(dn.Port)+"/admin/set_volume_locations_list", values)
+//  }
+  return nil
+}

weed-fs/src/pkg/topology/data_center.go

@@ -1,16 +1,35 @@
 package topology
 
-import (
-)
+import ()
 
 type DataCenter struct {
 	NodeImpl
-	ipRange IpRange
+	ipRange *IpRange
 }
-func NewDataCenter(id string) *DataCenter{
-  dc := &DataCenter{}
-  dc.id = NodeId(id)
-  dc.nodeType = "DataCenter"
-  dc.children = make(map[NodeId]Node)
-  return dc
+
+func NewDataCenter(id string) *DataCenter {
+	dc := &DataCenter{}
+	dc.id = NodeId(id)
+	dc.nodeType = "DataCenter"
+	dc.children = make(map[NodeId]Node)
+	return dc
+}
+
+func (dc *DataCenter) MatchLocationRange(ip string) bool {
+	if dc.ipRange == nil {
+		return true
+	}
+	return dc.ipRange.Match(ip)
+}
+
+func (dc *DataCenter) GetOrCreateRack(ip string) *Rack {
+  for _, c := range dc.Children() {
+    rack := c.(*Rack)
+    if rack.MatchLocationRange(ip) {
+      return rack
+    }
+  }
+  rack := NewRack("DefaultRack")
+  dc.LinkChildNode(rack)
+  return rack
 }

weed-fs/src/pkg/topology/data_node.go

@@ -22,14 +22,13 @@ func NewDataNode(id string) *DataNode {
 	return s
 }
 func (dn *DataNode) CreateOneVolume(r int, vid storage.VolumeId) storage.VolumeId {
-	dn.AddVolume(&storage.VolumeInfo{Id: vid, Size: 32 * 1024 * 1024 * 1024})
+	dn.AddVolume(&storage.VolumeInfo{Id: vid})
 	return vid
 }
 func (dn *DataNode) AddVolume(v *storage.VolumeInfo) {
 	dn.volumes[v.Id] = v
 	dn.UpAdjustActiveVolumeCountDelta(1)
 	dn.UpAdjustMaxVolumeId(v.Id)
-	dn.GetTopology().RegisterVolume(v,dn)
 }
 func (dn *DataNode) GetTopology() *Topology {
   p := dn.parent
@@ -39,3 +38,6 @@ func (dn *DataNode) GetTopology() *Topology {
   t := p.(*Topology)
   return t
 }
+func (dn *DataNode) MatchLocation(ip string, port int) bool {
+  return dn.Ip == ip && dn.Port == port
+}

weed-fs/src/pkg/topology/ip_range.go

@@ -9,3 +9,13 @@ type IpRange struct {
   inclusives   []string
   exclusives   []string
 }
+
+func (r *IpRange) Match(ip string) bool {
+// TODO
+//  for _, exc := range r.exclusives {
+//    if exc
+//  }
+//  for _, inc := range r.inclusives {
+//  }
+  return true
+}

weed-fs/src/pkg/topology/rack.go

@@ -1,11 +1,12 @@
 package topology
 
 import (
+  "strconv"
 )
 
 type Rack struct {
 	NodeImpl
-	ipRange IpRange
+	ipRange *IpRange
 }
 
 func NewRack(id string) *Rack {
@@ -15,3 +16,25 @@ func NewRack(id string) *Rack {
   r.children = make(map[NodeId]Node)
 	return r
 }
+
+func (r *Rack) MatchLocationRange(ip string) bool{
+  if r.ipRange == nil {
+    return true
+  }
+  return r.ipRange.Match(ip)
+}
+
+func (r *Rack) GetOrCreateDataNode(ip string, port int, publicUrl string) *DataNode{
+  for _, c := range r.Children() {
+    dn := c.(*DataNode)
+    if dn.MatchLocation(ip,port) {
+      return dn
+    }
+  }
+  dn := NewDataNode("DataNode"+ip+":"+strconv.Itoa(port))
+  dn.Ip = ip
+  dn.Port = port
+  dn.PublicUrl = publicUrl
+  r.LinkChildNode(dn)
+  return dn
+}

weed-fs/src/pkg/topology/topology.go

@@ -52,10 +52,30 @@ func (t *Topology) NextVolumeId() storage.VolumeId {
 	return vid.Next()
 }
 
-func (t *Topology) RegisterVolume(v *storage.VolumeInfo, dn *DataNode) {
-	replicationTypeIndex := storage.GetReplicationLevelIndex(v)
-	if t.replicaType2VolumeLayout[replicationTypeIndex] == nil {
-		t.replicaType2VolumeLayout[replicationTypeIndex] = NewVolumeLayout(t.volumeSizeLimit, t.pulse)
-	}
-	t.replicaType2VolumeLayout[replicationTypeIndex].RegisterVolume(v, dn)
+func (t *Topology) registerVolumeLayout(v *storage.VolumeInfo, dn *DataNode) {
+  replicationTypeIndex := storage.GetReplicationLevelIndex(v)
+  if t.replicaType2VolumeLayout[replicationTypeIndex] == nil {
+    t.replicaType2VolumeLayout[replicationTypeIndex] = NewVolumeLayout(t.volumeSizeLimit, t.pulse)
+  }
+  t.replicaType2VolumeLayout[replicationTypeIndex].RegisterVolume(v, dn)
+}
+
+func (t *Topology) RegisterVolume(v *storage.VolumeInfo, ip string, port int, publicUrl string) {
+	dc := t.GetOrCreateDataCenter(ip)
+	rack := dc.GetOrCreateRack(ip)
+	dn := rack.GetOrCreateDataNode(ip, port, publicUrl)
+	dn.AddVolume(v)
+  t.registerVolumeLayout(v,dn)
+}
+
+func (t *Topology) GetOrCreateDataCenter(ip string) *DataCenter{
+  for _, c := range t.Children() {
+    dc := c.(*DataCenter)
+    if dc.MatchLocationRange(ip) {
+      return dc
+    }
+  }
+  dc := NewDataCenter("DefaultDataCenter")
+  t.LinkChildNode(dc)
+  return dc
 }