mv internal lib

lib/stats/debug.go

@@ -0,0 +1,19 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package stats
+
+import (
+	"os"
+	"strings"
+
+	"github.com/calmh/logger"
+)
+
+var (
+	debug = strings.Contains(os.Getenv("STTRACE"), "stats") || os.Getenv("STTRACE") == "all"
+	l     = logger.DefaultLogger
+)

lib/stats/device.go

@@ -0,0 +1,58 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package stats
+
+import (
+	"time"
+
+	"github.com/syncthing/protocol"
+	"github.com/syncthing/syncthing/lib/db"
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+type DeviceStatistics struct {
+	LastSeen time.Time `json:"lastSeen"`
+}
+
+type DeviceStatisticsReference struct {
+	ns     *db.NamespacedKV
+	device protocol.DeviceID
+}
+
+func NewDeviceStatisticsReference(ldb *leveldb.DB, device protocol.DeviceID) *DeviceStatisticsReference {
+	prefix := string(db.KeyTypeDeviceStatistic) + device.String()
+	return &DeviceStatisticsReference{
+		ns:     db.NewNamespacedKV(ldb, prefix),
+		device: device,
+	}
+}
+
+func (s *DeviceStatisticsReference) GetLastSeen() time.Time {
+	t, ok := s.ns.Time("lastSeen")
+	if !ok {
+		// The default here is 1970-01-01 as opposed to the default
+		// time.Time{} from s.ns
+		return time.Unix(0, 0)
+	}
+	if debug {
+		l.Debugln("stats.DeviceStatisticsReference.GetLastSeen:", s.device, t)
+	}
+	return t
+}
+
+func (s *DeviceStatisticsReference) WasSeen() {
+	if debug {
+		l.Debugln("stats.DeviceStatisticsReference.WasSeen:", s.device)
+	}
+	s.ns.PutTime("lastSeen", time.Now())
+}
+
+func (s *DeviceStatisticsReference) GetStatistics() DeviceStatistics {
+	return DeviceStatistics{
+		LastSeen: s.GetLastSeen(),
+	}
+}

lib/stats/folder.go

@@ -0,0 +1,71 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package stats
+
+import (
+	"time"
+
+	"github.com/syncthing/protocol"
+
+	"github.com/syncthing/syncthing/lib/db"
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+type FolderStatistics struct {
+	LastFile LastFile `json:"lastFile"`
+}
+
+type FolderStatisticsReference struct {
+	ns     *db.NamespacedKV
+	folder string
+}
+
+type LastFile struct {
+	At       time.Time `json:"at"`
+	Filename string    `json:"filename"`
+	Deleted  bool      `json:"deleted"`
+}
+
+func NewFolderStatisticsReference(ldb *leveldb.DB, folder string) *FolderStatisticsReference {
+	prefix := string(db.KeyTypeFolderStatistic) + folder
+	return &FolderStatisticsReference{
+		ns:     db.NewNamespacedKV(ldb, prefix),
+		folder: folder,
+	}
+}
+
+func (s *FolderStatisticsReference) GetLastFile() LastFile {
+	at, ok := s.ns.Time("lastFileAt")
+	if !ok {
+		return LastFile{}
+	}
+	file, ok := s.ns.String("lastFileName")
+	if !ok {
+		return LastFile{}
+	}
+	deleted, ok := s.ns.Bool("lastFileDeleted")
+	return LastFile{
+		At:       at,
+		Filename: file,
+		Deleted:  deleted,
+	}
+}
+
+func (s *FolderStatisticsReference) ReceivedFile(file protocol.FileInfo) {
+	if debug {
+		l.Debugln("stats.FolderStatisticsReference.ReceivedFile:", s.folder, file)
+	}
+	s.ns.PutTime("lastFileAt", time.Now())
+	s.ns.PutString("lastFileName", file.Name)
+	s.ns.PutBool("lastFileDeleted", file.IsDeleted())
+}
+
+func (s *FolderStatisticsReference) GetStatistics() FolderStatistics {
+	return FolderStatistics{
+		LastFile: s.GetLastFile(),
+	}
+}