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e82a7e3dfa
As foretold by the prophecy, "once the database refactor is merged, then shall appear a request to propagate errors from the store known throughout the land as the NamedspacedKV, and it shall be good".
58 lines
1.4 KiB
Go
58 lines
1.4 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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)
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type DeviceStatistics struct {
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LastSeen time.Time `json:"lastSeen"`
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}
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type DeviceStatisticsReference struct {
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ns *db.NamespacedKV
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device string
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}
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func NewDeviceStatisticsReference(ldb *db.Lowlevel, device string) *DeviceStatisticsReference {
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return &DeviceStatisticsReference{
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ns: db.NewDeviceStatisticsNamespace(ldb, device),
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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("lastSeen")
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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) WasSeen() error {
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l.Debugln("stats.DeviceStatisticsReference.WasSeen:", s.device)
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return s.ns.PutTime("lastSeen", time.Now())
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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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return DeviceStatistics{
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LastSeen: lastSeen,
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}, nil
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}
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