57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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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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// TODO: Deduplicate this implementation with DM!
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package common
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import (
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"syscall"
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"unsafe"
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"github.com/pingcap/errors"
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"github.com/pingcap/failpoint"
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)
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var (
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kernel32 = syscall.MustLoadDLL("kernel32.dll")
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getDiskFreeSpaceExW = kernel32.MustFindProc("GetDiskFreeSpaceExW")
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)
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// GetStorageSize gets storage's capacity and available size
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func GetStorageSize(dir string) (size StorageSize, err error) {
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failpoint.Inject("GetStorageSize", func(val failpoint.Value) {
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injectedSize := val.(int)
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failpoint.Return(StorageSize{Capacity: uint64(injectedSize), Available: uint64(injectedSize)}, nil)
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})
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r, _, e := getDiskFreeSpaceExW.Call(
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uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(dir))),
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uintptr(unsafe.Pointer(&size.Available)),
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uintptr(unsafe.Pointer(&size.Capacity)),
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0,
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)
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if r == 0 {
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err = errors.Annotatef(e, "cannot get disk capacity at %s", dir)
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}
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return
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}
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// SameDisk is used to check dir1 and dir2 in the same disk.
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func SameDisk(dir1 string, dir2 string) (bool, error) {
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// FIXME
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return false, nil
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}
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