adding file count and deletion count

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

@@ -9,7 +9,11 @@ import (
 type NeedleMap struct {
 	indexFile *os.File
 	m         CompactMap
-	bytes     []byte
+
+	//transient
+	bytes           []byte
+	deletionCounter int
+	fileCounter     int
 }
 
 func NewNeedleMap(file *os.File) *NeedleMap {
@@ -40,8 +44,10 @@ func LoadNeedleMap(file *os.File) *NeedleMap {
 			size := util.BytesToUint32(bytes[i+12 : i+16])
 			if offset > 0 {
 				nm.m.Set(Key(key), offset, size)
+				nm.fileCounter++
 			} else {
 				nm.m.Delete(Key(key))
+				nm.deletionCounter++
 			}
 		}
 
@@ -55,6 +61,7 @@ func (nm *NeedleMap) Put(key uint64, offset uint32, size uint32) (int, error) {
 	util.Uint64toBytes(nm.bytes[0:8], key)
 	util.Uint32toBytes(nm.bytes[8:12], offset)
 	util.Uint32toBytes(nm.bytes[12:16], size)
+	nm.fileCounter++
 	return nm.indexFile.Write(nm.bytes)
 }
 func (nm *NeedleMap) Get(key uint64) (element *NeedleValue, ok bool) {
@@ -67,6 +74,7 @@ func (nm *NeedleMap) Delete(key uint64) {
 	util.Uint32toBytes(nm.bytes[8:12], 0)
 	util.Uint32toBytes(nm.bytes[12:16], 0)
 	nm.indexFile.Write(nm.bytes)
+	nm.deletionCounter++
 }
 func (nm *NeedleMap) Close() {
 	nm.indexFile.Close()

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

@@ -89,7 +89,7 @@ func (s *Store) Status() []*VolumeInfo {
 	var stats []*VolumeInfo
 	for k, v := range s.volumes {
 		s := new(VolumeInfo)
-		s.Id, s.Size, s.RepType = VolumeId(k), v.Size(), v.replicaType
+		s.Id, s.Size, s.RepType, s.FileCount, s.DeleteCount = VolumeId(k), v.Size(), v.replicaType, v.nm.fileCounter, v.nm.deletionCounter
 		stats = append(stats, s)
 	}
 	return stats
@@ -98,7 +98,7 @@ func (s *Store) Join(mserver string) error {
 	stats := new([]*VolumeInfo)
 	for k, v := range s.volumes {
 		s := new(VolumeInfo)
-		s.Id, s.Size, s.RepType = VolumeId(k), v.Size(), v.replicaType
+		s.Id, s.Size, s.RepType, s.FileCount, s.DeleteCount = VolumeId(k), v.Size(), v.replicaType, v.nm.fileCounter, v.nm.deletionCounter
 		*stats = append(*stats, s)
 	}
 	bytes, _ := json.Marshal(stats)

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

@@ -8,6 +8,8 @@ type VolumeInfo struct {
 	Id      VolumeId
 	Size    int64
 	RepType ReplicationType
+	FileCount int
+	DeleteCount int
 }
 type ReplicationType string
 

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

@@ -14,6 +14,7 @@ type Node interface {
 	UpAdjustMaxVolumeCountDelta(maxVolumeCountDelta int)
 	UpAdjustActiveVolumeCountDelta(activeVolumeCountDelta int)
 	UpAdjustMaxVolumeId(vid storage.VolumeId)
+
 	GetActiveVolumeCount() int
 	GetMaxVolumeCount() int
 	GetMaxVolumeId() storage.VolumeId
@@ -26,7 +27,7 @@ type Node interface {
 	Children() map[NodeId]Node
 	Parent() Node
 
-	GetValue()interface{} //get reference to the topology,dc,rack,datanode
+	GetValue() interface{} //get reference to the topology,dc,rack,datanode
 }
 type NodeImpl struct {
 	id                NodeId
@@ -38,7 +39,7 @@ type NodeImpl struct {
 
 	//for rack, data center, topology
 	nodeType string
-	value interface{}
+	value    interface{}
 }
 
 func (n *NodeImpl) IsDataNode() bool {
@@ -71,8 +72,8 @@ func (n *NodeImpl) Children() map[NodeId]Node {
 func (n *NodeImpl) Parent() Node {
 	return n.parent
 }
-func (n *NodeImpl) GetValue()interface{}{
-  return n.value
+func (n *NodeImpl) GetValue() interface{} {
+	return n.value
 }
 func (n *NodeImpl) ReserveOneVolume(r int, vid storage.VolumeId) (bool, *DataNode) {
 	ret := false
@@ -119,7 +120,6 @@ func (n *NodeImpl) UpAdjustMaxVolumeId(vid storage.VolumeId) { //can be negative
 		}
 	}
 }
-
 func (n *NodeImpl) GetMaxVolumeId() storage.VolumeId {
 	return n.maxVolumeId
 }
@@ -164,7 +164,7 @@ func (n *NodeImpl) CollectDeadNodeAndFullVolumes(freshThreshHold int64, volumeSi
 			}
 			for _, v := range dn.volumes {
 				if uint64(v.Size) >= volumeSizeLimit {
-          n.GetTopology().chanFullVolumes <- &v
+					n.GetTopology().chanFullVolumes <- &v
 				}
 			}
 		}
@@ -175,11 +175,11 @@ func (n *NodeImpl) CollectDeadNodeAndFullVolumes(freshThreshHold int64, volumeSi
 	}
 }
 
-func (n *NodeImpl) GetTopology() *Topology{
-  var p Node
-  p = n
-  for p.Parent() != nil {
-    p = p.Parent()
-  }
-  return p.GetValue().(*Topology)
+func (n *NodeImpl) GetTopology() *Topology {
+	var p Node
+	p = n
+	for p.Parent() != nil {
+		p = p.Parent()
+	}
+	return p.GetValue().(*Topology)
 }