minio/pkg/sys/stats_windows.go

58 lines
1.7 KiB
Go

// +build windows
// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package sys
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx")
)
type memoryStatusEx struct {
cbSize uint32
dwMemoryLoad uint32
ullTotalPhys uint64 // in bytes
ullAvailPhys uint64
ullTotalPageFile uint64
ullAvailPageFile uint64
ullTotalVirtual uint64
ullAvailVirtual uint64
ullAvailExtendedVirtual uint64
}
// GetStats - return system statistics for windows.
func GetStats() (stats Stats, err error) {
var memInfo memoryStatusEx
memInfo.cbSize = uint32(unsafe.Sizeof(memInfo))
if mem, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&memInfo))); mem == 0 {
err = syscall.GetLastError()
} else {
stats.TotalRAM = memInfo.ullTotalPhys
}
return stats, err
}