mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-19 19:45:12 +00:00
114 lines
3.0 KiB
Go
114 lines
3.0 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by the Free
|
|
// Software Foundation, either version 3 of the License, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but WITHOUT
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
// more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package stats
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/syncthing/syncthing/internal/protocol"
|
|
"github.com/syndtr/goleveldb/leveldb"
|
|
)
|
|
|
|
const (
|
|
deviceStatisticTypeLastSeen = iota
|
|
)
|
|
|
|
var deviceStatisticsTypes = []byte{
|
|
deviceStatisticTypeLastSeen,
|
|
}
|
|
|
|
type DeviceStatistics struct {
|
|
LastSeen time.Time
|
|
}
|
|
|
|
type DeviceStatisticsReference struct {
|
|
db *leveldb.DB
|
|
device protocol.DeviceID
|
|
}
|
|
|
|
func NewDeviceStatisticsReference(db *leveldb.DB, device protocol.DeviceID) *DeviceStatisticsReference {
|
|
return &DeviceStatisticsReference{
|
|
db: db,
|
|
device: device,
|
|
}
|
|
}
|
|
|
|
func (s *DeviceStatisticsReference) key(stat byte) []byte {
|
|
k := make([]byte, 1+1+32)
|
|
k[0] = keyTypeDeviceStatistic
|
|
k[1] = stat
|
|
copy(k[1+1:], s.device[:])
|
|
return k
|
|
}
|
|
|
|
func (s *DeviceStatisticsReference) GetLastSeen() time.Time {
|
|
value, err := s.db.Get(s.key(deviceStatisticTypeLastSeen), nil)
|
|
if err != nil {
|
|
if err != leveldb.ErrNotFound {
|
|
l.Warnln("DeviceStatisticsReference: Failed loading last seen value for", s.device, ":", err)
|
|
}
|
|
return time.Unix(0, 0)
|
|
}
|
|
|
|
rtime := time.Time{}
|
|
err = rtime.UnmarshalBinary(value)
|
|
if err != nil {
|
|
l.Warnln("DeviceStatisticsReference: Failed parsing last seen value for", s.device, ":", err)
|
|
return time.Unix(0, 0)
|
|
}
|
|
if debug {
|
|
l.Debugln("stats.DeviceStatisticsReference.GetLastSeen:", s.device, rtime)
|
|
}
|
|
return rtime
|
|
}
|
|
|
|
func (s *DeviceStatisticsReference) WasSeen() {
|
|
if debug {
|
|
l.Debugln("stats.DeviceStatisticsReference.WasSeen:", s.device)
|
|
}
|
|
value, err := time.Now().MarshalBinary()
|
|
if err != nil {
|
|
l.Warnln("DeviceStatisticsReference: Failed serializing last seen value for", s.device, ":", err)
|
|
return
|
|
}
|
|
|
|
err = s.db.Put(s.key(deviceStatisticTypeLastSeen), value, nil)
|
|
if err != nil {
|
|
l.Warnln("Failed serializing last seen value for", s.device, ":", err)
|
|
}
|
|
}
|
|
|
|
// Never called, maybe because it's worth while to keep the data
|
|
// or maybe because we have no easy way of knowing that a device has been removed.
|
|
func (s *DeviceStatisticsReference) Delete() error {
|
|
for _, stype := range deviceStatisticsTypes {
|
|
err := s.db.Delete(s.key(stype), nil)
|
|
if debug && err == nil {
|
|
l.Debugln("stats.DeviceStatisticsReference.Delete:", s.device, stype)
|
|
}
|
|
if err != nil && err != leveldb.ErrNotFound {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *DeviceStatisticsReference) GetStatistics() DeviceStatistics {
|
|
return DeviceStatistics{
|
|
LastSeen: s.GetLastSeen(),
|
|
}
|
|
}
|