use crate::DiskType;
use crate::sys::disk::{new_disk, Disk};
use crate::sys::processor::{self, Processor, Query};
use std::collections::HashMap;
use std::ffi::OsStr;
use std::mem::{size_of, zeroed};
use winapi::{ctypes::c_void, um::winbase::DRIVE_REMOVABLE};
use winapi::shared::minwindef::{DWORD, MAX_PATH, TRUE};
use winapi::um::fileapi::{
CreateFileW, GetDriveTypeW, GetLogicalDrives, GetVolumeInformationW, OPEN_EXISTING,
};
use winapi::um::handleapi::CloseHandle;
use winapi::um::handleapi::INVALID_HANDLE_VALUE;
use winapi::um::ioapiset::DeviceIoControl;
use winapi::um::sysinfoapi::{GetSystemInfo, SYSTEM_INFO};
use winapi::um::winbase::DRIVE_FIXED;
use winapi::um::winioctl::{
DEVICE_TRIM_DESCRIPTOR, IOCTL_DISK_GET_PARTITION_INFO_EX, IOCTL_STORAGE_QUERY_PROPERTY,
PARTITION_INFORMATION_EX, STORAGE_PROPERTY_QUERY,
};
use winapi::um::winnt::{FILE_SHARE_READ, FILE_SHARE_WRITE, HANDLE};
pub struct KeyHandler {
pub unique_id: String,
pub win_key: Vec<u16>,
}
impl KeyHandler {
pub fn new(unique_id: String, win_key: Vec<u16>) -> KeyHandler {
KeyHandler { unique_id, win_key }
}
}
pub fn init_processors() -> (Vec<Processor>, String, String) {
unsafe {
let mut sys_info: SYSTEM_INFO = zeroed();
GetSystemInfo(&mut sys_info);
let (vendor_id, brand) = processor::get_vendor_id_and_brand(&sys_info);
let frequencies = processor::get_frequencies(sys_info.dwNumberOfProcessors as usize);
let mut ret = Vec::with_capacity(sys_info.dwNumberOfProcessors as usize + 1);
for nb in 0..sys_info.dwNumberOfProcessors {
ret.push(Processor::new_with_values(
&format!("CPU {}", nb + 1),
vendor_id.clone(),
brand.clone(),
frequencies[nb as usize],
));
}
(ret, vendor_id, brand)
}
}
pub unsafe fn open_drive(drive_name: &[u16], open_rights: DWORD) -> HANDLE {
CreateFileW(
drive_name.as_ptr(),
open_rights,
FILE_SHARE_READ | FILE_SHARE_WRITE,
std::ptr::null_mut(),
OPEN_EXISTING,
0,
std::ptr::null_mut(),
)
}
pub unsafe fn get_drive_size(handle: HANDLE) -> u64 {
let mut pdg: PARTITION_INFORMATION_EX = std::mem::zeroed();
let mut junk = 0;
let result = DeviceIoControl(
handle,
IOCTL_DISK_GET_PARTITION_INFO_EX,
std::ptr::null_mut(),
0,
&mut pdg as *mut PARTITION_INFORMATION_EX as *mut c_void,
size_of::<PARTITION_INFORMATION_EX>() as DWORD,
&mut junk,
std::ptr::null_mut(),
);
if result == TRUE {
*pdg.PartitionLength.QuadPart() as u64
} else {
0
}
}
pub unsafe fn get_disks() -> Vec<Disk> {
let drives = GetLogicalDrives();
if drives == 0 {
return Vec::new();
}
#[cfg(feature = "multithread")]
use rayon::iter::ParallelIterator;
crate::utils::into_iter(0..size_of::<DWORD>() * 8)
.filter_map(|x| {
if (drives >> x) & 1 == 0 {
return None;
}
let mount_point = [b'A' as u16 + x as u16, b':' as u16, b'\\' as u16, 0];
let drive_type = GetDriveTypeW(mount_point.as_ptr());
let is_removable = drive_type == DRIVE_REMOVABLE;
if drive_type != DRIVE_FIXED && drive_type != DRIVE_REMOVABLE {
return None;
}
let mut name = [0u16; MAX_PATH + 1];
let mut file_system = [0u16; 32];
if GetVolumeInformationW(
mount_point.as_ptr(),
name.as_mut_ptr(),
name.len() as DWORD,
std::ptr::null_mut(),
std::ptr::null_mut(),
std::ptr::null_mut(),
file_system.as_mut_ptr(),
file_system.len() as DWORD,
) == 0
{
return None;
}
let mut pos = 0;
for x in name.iter() {
if *x == 0 {
break;
}
pos += 1;
}
let name = String::from_utf16_lossy(&name[..pos]);
let name = OsStr::new(&name);
pos = 0;
for x in file_system.iter() {
if *x == 0 {
break;
}
pos += 1;
}
let file_system: Vec<u8> = file_system[..pos].iter().map(|x| *x as u8).collect();
let drive_name = [
b'\\' as u16,
b'\\' as u16,
b'.' as u16,
b'\\' as u16,
b'A' as u16 + x as u16,
b':' as u16,
0,
];
let handle = open_drive(&drive_name, 0);
if handle == INVALID_HANDLE_VALUE {
CloseHandle(handle);
return new_disk(
name,
&mount_point,
&file_system,
DiskType::Unknown(-1),
0,
is_removable,
);
}
let disk_size = get_drive_size(handle);
let mut spq_trim = STORAGE_PROPERTY_QUERY {
PropertyId: 8,
QueryType: 0,
AdditionalParameters: [0],
};
let mut dtd: DEVICE_TRIM_DESCRIPTOR = std::mem::zeroed();
let mut dw_size = 0;
if DeviceIoControl(
handle,
IOCTL_STORAGE_QUERY_PROPERTY,
&mut spq_trim as *mut STORAGE_PROPERTY_QUERY as *mut c_void,
size_of::<STORAGE_PROPERTY_QUERY>() as DWORD,
&mut dtd as *mut DEVICE_TRIM_DESCRIPTOR as *mut c_void,
size_of::<DEVICE_TRIM_DESCRIPTOR>() as DWORD,
&mut dw_size,
std::ptr::null_mut(),
) == 0
|| dw_size != size_of::<DEVICE_TRIM_DESCRIPTOR>() as DWORD
{
CloseHandle(handle);
return new_disk(
name,
&mount_point,
&file_system,
DiskType::Unknown(-1),
disk_size,
is_removable,
);
}
let is_ssd = dtd.TrimEnabled != 0;
CloseHandle(handle);
new_disk(
name,
&mount_point,
&file_system,
if is_ssd { DiskType::SSD } else { DiskType::HDD },
disk_size,
is_removable,
)
})
.collect::<Vec<_>>()
}
#[allow(non_snake_case)]
pub unsafe fn load_symbols() -> HashMap<String, u32> {
use winapi::um::winreg::{RegQueryValueExA, HKEY_PERFORMANCE_DATA};
let mut cbCounters = 0;
let mut dwType = 0;
let mut ret = HashMap::new();
let _dwStatus = RegQueryValueExA(
HKEY_PERFORMANCE_DATA,
b"Counter 009\0".as_ptr() as *const _,
std::ptr::null_mut(),
&mut dwType as *mut i32 as *mut _,
std::ptr::null_mut(),
&mut cbCounters as *mut i32 as *mut _,
);
let mut lpmszCounters = Vec::with_capacity(cbCounters as usize);
lpmszCounters.set_len(cbCounters as usize);
let _dwStatus = RegQueryValueExA(
HKEY_PERFORMANCE_DATA,
b"Counter 009\0".as_ptr() as *const _,
std::ptr::null_mut(),
&mut dwType as *mut i32 as *mut _,
lpmszCounters.as_mut_ptr(),
&mut cbCounters as *mut i32 as *mut _,
);
for (pos, s) in lpmszCounters
.split(|x| *x == 0)
.filter(|x| !x.is_empty())
.collect::<Vec<_>>()
.chunks(2)
.filter(|&x| x.len() == 2)
.filter_map(
|x| match (std::str::from_utf8(x[0]), String::from_utf8(x[1].to_vec())) {
(Ok(n), Ok(s)) => {
if let Ok(n) = n.parse::<u32>() {
Some((n, s))
} else {
None
}
}
_ => None,
},
)
{
ret.insert(s, pos);
}
ret
}
#[allow(clippy::ptr_arg)]
pub fn get_translation(s: &String, map: &HashMap<String, u32>) -> Option<String> {
use winapi::um::pdh::PdhLookupPerfNameByIndexW;
if let Some(index) = map.get(s) {
let mut size: usize = 0;
unsafe {
let _res = PdhLookupPerfNameByIndexW(
std::ptr::null(),
*index,
std::ptr::null_mut(),
&mut size as *mut usize as *mut _,
);
if size == 0 {
return Some(String::new());
} else {
let mut v = Vec::with_capacity(size);
v.set_len(size);
let _res = PdhLookupPerfNameByIndexW(
std::ptr::null(),
*index,
v.as_mut_ptr() as *mut _,
&mut size as *mut usize as *mut _,
);
return Some(String::from_utf16(&v[..size - 1]).expect("invalid utf16"));
}
}
}
None
}
pub fn add_counter(
s: String,
query: &mut Query,
keys: &mut Option<KeyHandler>,
counter_name: String,
) {
let mut full = s.encode_utf16().collect::<Vec<_>>();
full.push(0);
if query.add_counter(&counter_name, full.clone()) {
*keys = Some(KeyHandler::new(counter_name, full));
}
}