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696679e50c
Signed-off-by: Jérôme LOYET <822436+fatpat@users.noreply.github.com> Signed-off-by: Laurent Dufresne <laurent.dufresne@grafana.com>
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
// 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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//go:build windows
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package runtime
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import (
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"os"
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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var (
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dll = windows.MustLoadDLL("kernel32.dll")
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getDiskFreeSpaceExW = dll.MustFindProc("GetDiskFreeSpaceExW")
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)
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func FsType(path string) string {
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return "unknown"
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}
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func FsSize(path string) uint64 {
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// Ensure the path exists.
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if _, err := os.Stat(path); err != nil {
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return 0
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}
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var avail int64
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var total int64
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var free int64
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// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getdiskfreespaceexa
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ret, _, _ := getDiskFreeSpaceExW.Call(
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uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))),
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uintptr(unsafe.Pointer(&avail)),
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uintptr(unsafe.Pointer(&total)),
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uintptr(unsafe.Pointer(&free)))
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if ret == 0 || uint64(free) > uint64(total) {
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return 0
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}
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return uint64(total)
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}
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