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use std::ffi::{OsStr, OsString};
use std::path::Path;
use DiskExt;
use DiskType;
use winapi::um::fileapi::GetDiskFreeSpaceExW;
use winapi::um::winnt::ULARGE_INTEGER;
pub fn new_disk(
name: &OsStr,
mount_point: &[u16],
file_system: &[u8],
type_: DiskType,
total_space: u64,
) -> Disk {
let mut d = Disk {
type_: type_,
name: name.to_owned(),
file_system: file_system.to_vec(),
mount_point: mount_point.to_vec(),
s_mount_point: String::from_utf16_lossy(&mount_point[..mount_point.len() - 1]),
total_space: total_space,
available_space: 0,
};
d.refresh();
d
}
pub struct Disk {
type_: DiskType,
name: OsString,
file_system: Vec<u8>,
mount_point: Vec<u16>,
s_mount_point: String,
total_space: u64,
available_space: u64,
}
impl DiskExt for Disk {
fn get_type(&self) -> DiskType {
self.type_
}
fn get_name(&self) -> &OsStr {
&self.name
}
fn get_file_system(&self) -> &[u8] {
&self.file_system
}
fn get_mount_point(&self) -> &Path {
&Path::new(&self.s_mount_point)
}
fn get_total_space(&self) -> u64 {
self.total_space
}
fn get_available_space(&self) -> u64 {
self.available_space
}
fn refresh(&mut self) -> bool {
if self.total_space != 0 {
unsafe {
let mut tmp: ULARGE_INTEGER = ::std::mem::zeroed();
if GetDiskFreeSpaceExW(
self.mount_point.as_ptr(),
::std::ptr::null_mut(),
::std::ptr::null_mut(),
&mut tmp,
) != 0
{
self.available_space = *tmp.QuadPart();
return true;
}
}
}
false
}
}