mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 05:56:37 +00:00
95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 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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package cfgmgr32
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import (
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"fmt"
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"unsafe"
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"github.com/prometheus-community/windows_exporter/internal/headers/win32"
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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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cfgmgr32 = windows.NewLazySystemDLL("cfgmgr32.dll")
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procCMGetDeviceIDListW = cfgmgr32.NewProc("CM_Get_Device_ID_ListW")
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procCMGetDeviceIDListSize = cfgmgr32.NewProc("CM_Get_Device_ID_List_SizeW")
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procCMGetDevNodePropertyW = cfgmgr32.NewProc("CM_Get_DevNode_PropertyW")
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procCMLocateDevNodeW = cfgmgr32.NewProc("CM_Locate_DevNodeW")
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)
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func CMGetDeviceIDListSize(filter *win32.LPWSTR, size *uint32) error {
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ret, _, _ := procCMGetDeviceIDListSize.Call(
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uintptr(unsafe.Pointer(size)),
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filter.Pointer(),
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uintptr(CM_GETIDLIST_FILTER_PRESENT|CM_GETIDLIST_FILTER_ENUMERATOR),
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)
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if ret != CR_SUCCESS {
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return fmt.Errorf("CMGetDeviceIDListSize failed: 0x%02X", ret)
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}
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return nil
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}
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func CMGetDeviceIDList(filter *win32.LPWSTR, buf []uint16) error {
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ret, _, _ := procCMGetDeviceIDListW.Call(
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filter.Pointer(),
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uintptr(unsafe.Pointer(&buf[0])),
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uintptr(len(buf)),
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uintptr(CM_GETIDLIST_FILTER_PRESENT|CM_GETIDLIST_FILTER_ENUMERATOR),
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)
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if ret != CR_SUCCESS {
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return fmt.Errorf("CMGetDeviceIDList failed: 0x%02X", ret)
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}
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return nil
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}
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func CMLocateDevNode(devInst **windows.Handle, deviceID []uint16) error {
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ret, _, _ := procCMLocateDevNodeW.Call(
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uintptr(unsafe.Pointer(devInst)),
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uintptr(unsafe.Pointer(&deviceID[0])),
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0,
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)
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if ret != CR_SUCCESS {
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return fmt.Errorf("CMLocateDevNode failed: 0x%02X", ret)
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}
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return nil
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}
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func CMGetDevNodeProperty(devInst *windows.Handle, propKey *DEVPROPKEY, propType *uint32, buf unsafe.Pointer, bufLen *uint32) error {
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ret, _, _ := procCMGetDevNodePropertyW.Call(
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uintptr(unsafe.Pointer(devInst)),
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uintptr(unsafe.Pointer(propKey)),
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uintptr(unsafe.Pointer(propType)),
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uintptr(buf),
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uintptr(unsafe.Pointer(bufLen)),
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0,
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)
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if ret != CR_SUCCESS {
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return fmt.Errorf("CMGetDevNodeProperty failed: 0x%02X", ret)
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}
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return nil
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}
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