plugeth/cmd/utils/diskusage_windows.go
Alex Mazalov 24c1e3053b
cmd/geth: graceful shutdown if disk is full (#22103)
Adding warnings of free disk space left and graceful shutdown when there is not enough space left.
This also adds a flag datadir.minfreedisk which can be used to set the trigger for low disk space, and setting it to zero disables the check. 

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
2021-01-19 09:26:42 +01:00

39 lines
1.3 KiB
Go

// Copyright 2021 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"fmt"
"golang.org/x/sys/windows"
)
func getFreeDiskSpace(path string) (uint64, error) {
cwd, err := windows.UTF16PtrFromString(path)
if err != nil {
return 0, fmt.Errorf("failed to call UTF16PtrFromString: %v", err)
}
var freeBytesAvailableToCaller, totalNumberOfBytes, totalNumberOfFreeBytes uint64
if err := windows.GetDiskFreeSpaceEx(cwd, &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes); err != nil {
return 0, fmt.Errorf("failed to call GetDiskFreeSpaceEx: %v", err)
}
return freeBytesAvailableToCaller, nil
}