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stat_linux.go
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stat_linux.go
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/*
* Copyright 2020 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package statutils
import (
"os"
"syscall"
"time"
"d7y.io/dragonfly/v2/pkg/unit"
)
// Atime returns the last access time in time.Time.
func Atime(info os.FileInfo) time.Time {
stat := GetSysStat(info)
return time.Unix(stat.Atim.Sec, stat.Atim.Nsec)
}
// AtimeSec returns the last access time in seconds.
func AtimeSec(info os.FileInfo) int64 {
stat := GetSysStat(info)
return stat.Atim.Sec
}
// Ctime returns the create time in time.Time.
func Ctime(info os.FileInfo) time.Time {
stat := GetSysStat(info)
return time.Unix(stat.Ctim.Sec, stat.Ctim.Nsec)
}
// CtimeSec returns the create time in seconds.
func CtimeSec(info os.FileInfo) int64 {
stat := GetSysStat(info)
return stat.Ctim.Sec
}
// GetSysStat returns underlying data source of the os.FileInfo.
func GetSysStat(info os.FileInfo) *syscall.Stat_t {
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
return stat
}
return nil
}
func FreeSpace(diskPath string) (unit.Bytes, error) {
fs := &syscall.Statfs_t{}
if err := syscall.Statfs(diskPath, fs); err != nil {
return 0, err
}
return unit.ToBytes(int64(fs.Bavail) * fs.Bsize), nil
}