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https://github.com/octoleo/syncthing.git
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4d979a1ce9
This truncates times meant for API consumption to second precision, where fractions won't typically matter or add any value. Exception to this is timestamps on logs and events, and of course I'm not touching things like file metadata. I'm not 100% certain this is an exhaustive change, but it's the things I found by grepping and following the breadcrumbs from lib/api... I also considered general-but-ugly solutions, like having the API serializer itself do reflection magic or even regexps on returned objects, but decided against it because aurgh...
87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package stats
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import (
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"time"
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"github.com/syncthing/syncthing/lib/db"
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"github.com/syncthing/syncthing/lib/db/backend"
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"github.com/syncthing/syncthing/lib/protocol"
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)
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const (
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lastSeenKey = "lastSeen"
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connDurationKey = "lastConnDuration"
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)
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type DeviceStatistics struct {
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LastSeen time.Time `json:"lastSeen"`
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LastConnectionDurationS float64 `json:"lastConnectionDurationS"`
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}
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type DeviceStatisticsReference struct {
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ns *db.NamespacedKV
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device protocol.DeviceID
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}
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func NewDeviceStatisticsReference(dba backend.Backend, device protocol.DeviceID) *DeviceStatisticsReference {
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return &DeviceStatisticsReference{
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ns: db.NewDeviceStatisticsNamespace(dba, device.String()),
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device: device,
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}
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}
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func (s *DeviceStatisticsReference) GetLastSeen() (time.Time, error) {
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t, ok, err := s.ns.Time(lastSeenKey)
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if err != nil {
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return time.Time{}, err
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} else if !ok {
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// The default here is 1970-01-01 as opposed to the default
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// time.Time{} from s.ns
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return time.Unix(0, 0), nil
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}
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l.Debugln("stats.DeviceStatisticsReference.GetLastSeen:", s.device, t)
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return t, nil
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}
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func (s *DeviceStatisticsReference) GetLastConnectionDuration() (time.Duration, error) {
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d, ok, err := s.ns.Int64(connDurationKey)
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if err != nil {
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return 0, err
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} else if !ok {
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return 0, nil
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}
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l.Debugln("stats.DeviceStatisticsReference.GetLastConnectionDuration:", s.device, d)
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return time.Duration(d), nil
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}
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func (s *DeviceStatisticsReference) WasSeen() error {
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l.Debugln("stats.DeviceStatisticsReference.WasSeen:", s.device)
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return s.ns.PutTime(lastSeenKey, time.Now().Truncate(time.Second))
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}
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func (s *DeviceStatisticsReference) LastConnectionDuration(d time.Duration) error {
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l.Debugln("stats.DeviceStatisticsReference.LastConnectionDuration:", s.device, d)
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return s.ns.PutInt64(connDurationKey, d.Nanoseconds())
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}
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func (s *DeviceStatisticsReference) GetStatistics() (DeviceStatistics, error) {
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lastSeen, err := s.GetLastSeen()
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if err != nil {
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return DeviceStatistics{}, err
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}
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lastConnDuration, err := s.GetLastConnectionDuration()
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if err != nil {
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return DeviceStatistics{}, err
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}
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return DeviceStatistics{
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LastSeen: lastSeen,
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LastConnectionDurationS: lastConnDuration.Seconds(),
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}, nil
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}
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