mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-07 21:46:37 +00:00
ba605cffcc
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de> Signed-off-by: Jan-Otto Kröpke <github@jkroepke.de>
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2025 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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package kernel32
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import (
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"unsafe"
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"golang.org/x/sys/windows"
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)
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//nolint:gochecknoglobals
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var (
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modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
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procGetDynamicTimeZoneInformationSys = modkernel32.NewProc("GetDynamicTimeZoneInformation")
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procKernelLocalFileTimeToFileTime = modkernel32.NewProc("LocalFileTimeToFileTime")
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procGetTickCount = modkernel32.NewProc("GetTickCount64")
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)
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// SYSTEMTIME contains a date and time.
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// 📑 https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-systemtime
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type SYSTEMTIME struct {
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WYear uint16
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WMonth uint16
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WDayOfWeek uint16
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WDay uint16
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WHour uint16
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WMinute uint16
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WSecond uint16
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WMilliseconds uint16
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}
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// DynamicTimezoneInformation contains the current dynamic daylight time settings.
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// 📑 https://docs.microsoft.com/en-us/windows/win32/api/timezoneapi/ns-timezoneapi-dynamic_time_zone_information
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type DynamicTimezoneInformation struct {
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Bias int32
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standardName [32]uint16
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StandardDate SYSTEMTIME
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StandardBias int32
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DaylightName [32]uint16
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DaylightDate SYSTEMTIME
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DaylightBias int32
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TimeZoneKeyName [128]uint16
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DynamicDaylightTimeDisabled uint8 // BOOLEAN
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}
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// GetDynamicTimeZoneInformation retrieves the current dynamic daylight time settings.
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// 📑 https://docs.microsoft.com/en-us/windows/win32/api/timezoneapi/nf-timezoneapi-getdynamictimezoneinformation
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func GetDynamicTimeZoneInformation() (DynamicTimezoneInformation, error) {
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var tzi DynamicTimezoneInformation
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r0, _, err := procGetDynamicTimeZoneInformationSys.Call(uintptr(unsafe.Pointer(&tzi)))
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if uint32(r0) == 0xffffffff {
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return tzi, err
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}
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return tzi, nil
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}
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func LocalFileTimeToFileTime(localFileTime, utcFileTime *windows.Filetime) uint32 {
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ret, _, _ := procKernelLocalFileTimeToFileTime.Call(
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uintptr(unsafe.Pointer(localFileTime)),
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uintptr(unsafe.Pointer(utcFileTime)))
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return uint32(ret)
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}
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func GetTickCount64() uint64 {
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ret, _, _ := procGetTickCount.Call()
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return uint64(ret)
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}
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