コード例 #1
0
ファイル: sigar_windows.go プロジェクト: rayyang2000/topbeat
func (self *FileSystemUsage) Get(path string) error {

	/*
		Get free, available, total free bytes:
		fsutil volume diskfree C:
	*/
	var availableBytes C.ULARGE_INTEGER
	var totalBytes C.ULARGE_INTEGER
	var totalFreeBytes C.ULARGE_INTEGER

	pathChars := C.CString(path)
	defer C.free(unsafe.Pointer(pathChars))

	succeeded := C.GetDiskFreeSpaceEx((*C.CHAR)(pathChars), &availableBytes, &totalBytes, &totalFreeBytes)
	if succeeded == C.FALSE {
		return syscall.GetLastError()
	}

	self.Total = *(*uint64)(unsafe.Pointer(&totalBytes))
	self.Free = *(*uint64)(unsafe.Pointer(&totalFreeBytes))
	self.Used = self.Total - self.Free
	self.Avail = *(*uint64)(unsafe.Pointer(&availableBytes))

	return nil
}
コード例 #2
0
func (self *FileSystemUsage) Get(path string) error {
	var availableBytes C.ULARGE_INTEGER
	var totalBytes C.ULARGE_INTEGER
	var totalFreeBytes C.ULARGE_INTEGER

	pathChars := C.CString(path)
	defer C.free(unsafe.Pointer(pathChars))

	succeeded := C.GetDiskFreeSpaceEx((*C.CHAR)(pathChars), &availableBytes, &totalBytes, &totalFreeBytes)
	if succeeded == C.FALSE {
		lastError := C.GetLastError()
		return fmt.Errorf("GetDiskFreeSpaceEx failed with error: %d", int(lastError))
	}

	self.Total = *(*uint64)(unsafe.Pointer(&totalBytes))
	return nil
}