rustdesk/src/server/portable_service.rs
21pages 190c99aebc fix portable service parameter sync
Signed-off-by: 21pages <pages21@163.com>
2023-04-28 22:41:54 +08:00

929 lines
35 KiB
Rust

use core::slice;
use hbb_common::{
allow_err,
anyhow::anyhow,
bail, libc, log,
message_proto::{KeyEvent, MouseEvent},
protobuf::Message,
tokio::{self, sync::mpsc},
ResultType,
};
use scrap::{Capturer, Frame, TraitCapturer};
use shared_memory::*;
use std::{
mem::size_of,
ops::{Deref, DerefMut},
path::PathBuf,
sync::{Arc, Mutex},
time::Duration,
};
use winapi::{
shared::minwindef::{BOOL, FALSE, TRUE},
um::winuser::{self, CURSORINFO, PCURSORINFO},
};
use crate::{
ipc::{self, new_listener, Connection, Data, DataPortableService},
platform::set_path_permission,
video_service::get_current_display,
};
use super::video_qos;
const SIZE_COUNTER: usize = size_of::<i32>() * 2;
const FRAME_ALIGN: usize = 64;
const ADDR_CURSOR_PARA: usize = 0;
const ADDR_CURSOR_COUNTER: usize = ADDR_CURSOR_PARA + size_of::<CURSORINFO>();
const ADDR_CAPTURER_PARA: usize = ADDR_CURSOR_COUNTER + SIZE_COUNTER;
const ADDR_CAPTURE_FRAME_INFO: usize = ADDR_CAPTURER_PARA + size_of::<CapturerPara>();
const ADDR_CAPTURE_WOULDBLOCK: usize = ADDR_CAPTURE_FRAME_INFO + size_of::<FrameInfo>();
const ADDR_CAPTURE_FRAME_COUNTER: usize = ADDR_CAPTURE_WOULDBLOCK + size_of::<i32>();
const ADDR_CAPTURE_FRAME: usize =
(ADDR_CAPTURE_FRAME_COUNTER + SIZE_COUNTER + FRAME_ALIGN - 1) / FRAME_ALIGN * FRAME_ALIGN;
const IPC_SUFFIX: &str = "_portable_service";
pub const SHMEM_NAME: &str = "_portable_service";
const MAX_NACK: usize = 3;
const MAX_DXGI_FAIL_TIME: usize = 5;
pub struct SharedMemory {
inner: Shmem,
}
unsafe impl Send for SharedMemory {}
unsafe impl Sync for SharedMemory {}
impl Deref for SharedMemory {
type Target = Shmem;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl DerefMut for SharedMemory {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.inner
}
}
impl SharedMemory {
pub fn create(name: &str, size: usize) -> ResultType<Self> {
let flink = Self::flink(name.to_string())?;
let shmem = match ShmemConf::new()
.size(size)
.flink(&flink)
.force_create_flink()
.create()
{
Ok(m) => m,
Err(ShmemError::LinkExists) => {
bail!(
"Unable to force create shmem flink {}, which should not happen.",
flink
)
}
Err(e) => {
bail!("Unable to create shmem flink {} : {}", flink, e);
}
};
log::info!("Create shared memory, size:{}, flink:{}", size, flink);
set_path_permission(&PathBuf::from(flink), "F").ok();
Ok(SharedMemory { inner: shmem })
}
pub fn open_existing(name: &str) -> ResultType<Self> {
let flink = Self::flink(name.to_string())?;
let shmem = match ShmemConf::new().flink(&flink).allow_raw(true).open() {
Ok(m) => m,
Err(e) => {
bail!("Unable to open existing shmem flink {} : {}", flink, e);
}
};
log::info!("open existing shared memory, flink:{:?}", flink);
Ok(SharedMemory { inner: shmem })
}
pub fn write(&self, addr: usize, data: &[u8]) {
unsafe {
assert!(addr + data.len() <= self.inner.len());
let ptr = self.inner.as_ptr().add(addr);
let shared_mem_slice = slice::from_raw_parts_mut(ptr, data.len());
shared_mem_slice.copy_from_slice(data);
}
}
fn flink(name: String) -> ResultType<String> {
let mut dir = crate::platform::user_accessible_folder()?;
dir = dir.join(hbb_common::config::APP_NAME.read().unwrap().clone());
if !dir.exists() {
std::fs::create_dir(&dir)?;
set_path_permission(&dir, "F").ok();
}
Ok(dir
.join(format!("shared_memory{}", name))
.to_string_lossy()
.to_string())
}
}
mod utils {
use core::slice;
use std::mem::size_of;
use super::{
CapturerPara, FrameInfo, SharedMemory, ADDR_CAPTURER_PARA, ADDR_CAPTURE_FRAME_INFO,
};
#[inline]
pub fn i32_to_vec(i: i32) -> Vec<u8> {
i.to_ne_bytes().to_vec()
}
#[inline]
pub fn ptr_to_i32(ptr: *const u8) -> i32 {
unsafe {
let v = slice::from_raw_parts(ptr, size_of::<i32>());
i32::from_ne_bytes([v[0], v[1], v[2], v[3]])
}
}
#[inline]
pub fn counter_ready(counter: *const u8) -> bool {
unsafe {
let wptr = counter;
let rptr = counter.add(size_of::<i32>());
let iw = ptr_to_i32(wptr);
let ir = ptr_to_i32(rptr);
if ir != iw {
std::ptr::copy_nonoverlapping(wptr, rptr as *mut _, size_of::<i32>());
true
} else {
false
}
}
}
#[inline]
pub fn counter_equal(counter: *const u8) -> bool {
unsafe {
let wptr = counter;
let rptr = counter.add(size_of::<i32>());
let iw = ptr_to_i32(wptr);
let ir = ptr_to_i32(rptr);
iw == ir
}
}
#[inline]
pub fn increase_counter(counter: *mut u8) {
unsafe {
let wptr = counter;
let rptr = counter.add(size_of::<i32>());
let iw = ptr_to_i32(counter);
let ir = ptr_to_i32(counter);
let v = i32_to_vec(iw + 1);
std::ptr::copy_nonoverlapping(v.as_ptr(), wptr, size_of::<i32>());
if ir == iw + 1 {
let v = i32_to_vec(iw);
std::ptr::copy_nonoverlapping(v.as_ptr(), rptr, size_of::<i32>());
}
}
}
#[inline]
pub fn align(v: usize, align: usize) -> usize {
(v + align - 1) / align * align
}
#[inline]
pub fn set_para(shmem: &SharedMemory, para: CapturerPara) {
let para_ptr = &para as *const CapturerPara as *const u8;
let para_data;
unsafe {
para_data = slice::from_raw_parts(para_ptr, size_of::<CapturerPara>());
}
shmem.write(ADDR_CAPTURER_PARA, para_data);
}
#[inline]
pub fn set_frame_info(shmem: &SharedMemory, info: FrameInfo) {
let ptr = &info as *const FrameInfo as *const u8;
let data;
unsafe {
data = slice::from_raw_parts(ptr, size_of::<FrameInfo>());
}
shmem.write(ADDR_CAPTURE_FRAME_INFO, data);
}
}
// functions called in separate SYSTEM user process.
pub mod server {
use super::*;
lazy_static::lazy_static! {
static ref EXIT: Arc<Mutex<bool>> = Default::default();
}
pub fn run_portable_service() {
let shmem = Arc::new(SharedMemory::open_existing(SHMEM_NAME).unwrap());
let shmem1 = shmem.clone();
let shmem2 = shmem.clone();
let mut threads = vec![];
threads.push(std::thread::spawn(|| {
run_get_cursor_info(shmem1);
}));
threads.push(std::thread::spawn(|| {
run_capture(shmem2);
}));
threads.push(std::thread::spawn(|| {
run_ipc_client();
}));
threads.push(std::thread::spawn(|| {
run_exit_check();
}));
for th in threads.drain(..) {
th.join().unwrap();
log::info!("thread joined");
}
}
fn run_exit_check() {
loop {
if EXIT.lock().unwrap().clone() {
std::thread::sleep(Duration::from_millis(50));
std::process::exit(0);
}
std::thread::sleep(Duration::from_millis(50));
}
}
fn run_get_cursor_info(shmem: Arc<SharedMemory>) {
loop {
if EXIT.lock().unwrap().clone() {
break;
}
unsafe {
let para = shmem.as_ptr().add(ADDR_CURSOR_PARA) as *mut CURSORINFO;
(*para).cbSize = size_of::<CURSORINFO>() as _;
let result = winuser::GetCursorInfo(para);
if result == TRUE {
utils::increase_counter(shmem.as_ptr().add(ADDR_CURSOR_COUNTER));
}
}
// more frequent in case of `Error of mouse_cursor service`
std::thread::sleep(Duration::from_millis(15));
}
}
fn run_capture(shmem: Arc<SharedMemory>) {
let mut c = None;
let mut last_current_display = usize::MAX;
let mut last_use_yuv = false;
let mut last_timeout_ms: i32 = 33;
let mut spf = Duration::from_millis(last_timeout_ms as _);
let mut first_frame_captured = false;
let mut dxgi_failed_times = 0;
let mut display_width = 0;
let mut display_height = 0;
loop {
if EXIT.lock().unwrap().clone() {
break;
}
unsafe {
let para_ptr = shmem.as_ptr().add(ADDR_CAPTURER_PARA);
let para = para_ptr as *const CapturerPara;
let recreate = (*para).recreate;
let current_display = (*para).current_display;
let use_yuv = (*para).use_yuv;
let use_yuv_set = (*para).use_yuv_set;
let timeout_ms = (*para).timeout_ms;
if !use_yuv_set {
c = None;
std::thread::sleep(spf);
continue;
}
if c.is_none() {
*crate::video_service::CURRENT_DISPLAY.lock().unwrap() = current_display;
let (_, _current, display) = get_current_display().unwrap();
display_width = display.width();
display_height = display.height();
match Capturer::new(display, use_yuv) {
Ok(mut v) => {
c = {
last_current_display = current_display;
last_use_yuv = use_yuv;
first_frame_captured = false;
if dxgi_failed_times > MAX_DXGI_FAIL_TIME {
dxgi_failed_times = 0;
v.set_gdi();
}
utils::set_para(
&shmem,
CapturerPara {
recreate: false,
current_display: (*para).current_display,
use_yuv: (*para).use_yuv,
use_yuv_set: (*para).use_yuv_set,
timeout_ms: (*para).timeout_ms,
},
);
Some(v)
}
}
Err(e) => {
log::error!("Failed to create gdi capturer:{:?}", e);
std::thread::sleep(std::time::Duration::from_secs(1));
continue;
}
}
} else {
if recreate
|| current_display != last_current_display
|| use_yuv != last_use_yuv
{
log::info!(
"create capturer, display:{}->{}, use_yuv:{}->{}",
last_current_display,
current_display,
last_use_yuv,
use_yuv
);
c = None;
continue;
}
if timeout_ms != last_timeout_ms
&& timeout_ms >= 1000 / video_qos::MAX_FPS as i32
&& timeout_ms <= 1000 / video_qos::MIN_FPS as i32
{
last_timeout_ms = timeout_ms;
spf = Duration::from_millis(timeout_ms as _);
}
}
if first_frame_captured {
if !utils::counter_equal(shmem.as_ptr().add(ADDR_CAPTURE_FRAME_COUNTER)) {
std::thread::sleep(std::time::Duration::from_millis(1));
continue;
}
}
match c.as_mut().unwrap().frame(spf) {
Ok(f) => {
utils::set_frame_info(
&shmem,
FrameInfo {
length: f.0.len(),
width: display_width,
height: display_height,
},
);
shmem.write(ADDR_CAPTURE_FRAME, f.0);
shmem.write(ADDR_CAPTURE_WOULDBLOCK, &utils::i32_to_vec(TRUE));
utils::increase_counter(shmem.as_ptr().add(ADDR_CAPTURE_FRAME_COUNTER));
first_frame_captured = true;
dxgi_failed_times = 0;
}
Err(e) => {
if e.kind() != std::io::ErrorKind::WouldBlock {
// DXGI_ERROR_INVALID_CALL after each success on Microsoft GPU driver
// log::error!("capture frame failed:{:?}", e);
if crate::platform::windows::desktop_changed() {
crate::platform::try_change_desktop();
c = None;
std::thread::sleep(spf);
continue;
}
if !c.as_ref().unwrap().is_gdi() {
dxgi_failed_times += 1;
}
if dxgi_failed_times > MAX_DXGI_FAIL_TIME {
c = None;
shmem.write(ADDR_CAPTURE_WOULDBLOCK, &utils::i32_to_vec(FALSE));
std::thread::sleep(spf);
}
} else {
shmem.write(ADDR_CAPTURE_WOULDBLOCK, &utils::i32_to_vec(TRUE));
}
}
}
}
}
}
#[tokio::main(flavor = "current_thread")]
async fn run_ipc_client() {
use DataPortableService::*;
let postfix = IPC_SUFFIX;
match ipc::connect(1000, postfix).await {
Ok(mut stream) => {
let mut timer = tokio::time::interval(Duration::from_secs(1));
let mut nack = 0;
loop {
tokio::select! {
res = stream.next() => {
match res {
Err(err) => {
log::error!(
"ipc{} connection closed: {}",
postfix,
err
);
break;
}
Ok(Some(Data::DataPortableService(data))) => match data {
Ping => {
allow_err!(
stream
.send(&Data::DataPortableService(Pong))
.await
);
}
Pong => {
nack = 0;
}
ConnCount(Some(n)) => {
if n == 0 {
log::info!("Connection count equals 0, exit");
stream.send(&Data::DataPortableService(WillClose)).await.ok();
break;
}
}
Mouse(v) => {
if let Ok(evt) = MouseEvent::parse_from_bytes(&v) {
crate::input_service::handle_mouse_(&evt);
}
}
Key(v) => {
if let Ok(evt) = KeyEvent::parse_from_bytes(&v) {
crate::input_service::handle_key_(&evt);
}
}
_ => {}
},
_ => {}
}
}
_ = timer.tick() => {
nack+=1;
if nack > MAX_NACK {
log::info!("max ping nack, exit");
break;
}
stream.send(&Data::DataPortableService(Ping)).await.ok();
stream.send(&Data::DataPortableService(ConnCount(None))).await.ok();
}
}
}
}
Err(e) => {
log::error!("Failed to connect portable service ipc:{:?}", e);
}
}
*EXIT.lock().unwrap() = true;
}
}
// functions called in main process.
pub mod client {
use hbb_common::anyhow::Context;
use super::*;
lazy_static::lazy_static! {
static ref RUNNING: Arc<Mutex<bool>> = Default::default();
static ref SHMEM: Arc<Mutex<Option<SharedMemory>>> = Default::default();
static ref SENDER : Mutex<mpsc::UnboundedSender<ipc::Data>> = Mutex::new(client::start_ipc_server());
static ref QUICK_SUPPORT: Arc<Mutex<bool>> = Default::default();
}
pub enum StartPara {
Direct,
Logon(String, String),
}
pub(crate) fn start_portable_service(para: StartPara) -> ResultType<()> {
log::info!("start portable service");
if RUNNING.lock().unwrap().clone() {
bail!("already running");
}
if SHMEM.lock().unwrap().is_none() {
let displays = scrap::Display::all()?;
if displays.is_empty() {
bail!("no display available!");
}
let mut max_pixel = 0;
let align = 64;
for d in displays {
let pixel = utils::align(d.width(), align) * utils::align(d.height(), align);
if max_pixel < pixel {
max_pixel = pixel;
}
}
let shmem_size = utils::align(ADDR_CAPTURE_FRAME + max_pixel * 4, align);
// os error 112, no enough space
*SHMEM.lock().unwrap() = Some(crate::portable_service::SharedMemory::create(
crate::portable_service::SHMEM_NAME,
shmem_size,
)?);
shutdown_hooks::add_shutdown_hook(drop_portable_service_shared_memory);
}
if let Some(shmem) = SHMEM.lock().unwrap().as_mut() {
unsafe {
libc::memset(shmem.as_ptr() as _, 0, shmem.len() as _);
}
}
match para {
StartPara::Direct => {
if let Err(e) = crate::platform::run_background(
&std::env::current_exe()?.to_string_lossy().to_string(),
"--portable-service",
) {
*SHMEM.lock().unwrap() = None;
bail!("Failed to run portable service process: {}", e);
}
}
StartPara::Logon(username, password) => {
#[allow(unused_mut)]
let mut exe = std::env::current_exe()?.to_string_lossy().to_string();
#[cfg(feature = "flutter")]
{
if let Some(dir) = PathBuf::from(&exe).parent() {
if set_path_permission(&PathBuf::from(dir), "RX").is_err() {
*SHMEM.lock().unwrap() = None;
bail!("Failed to set permission of {:?}", dir);
}
}
}
#[cfg(not(feature = "flutter"))]
match hbb_common::directories_next::UserDirs::new() {
Some(user_dir) => {
let dir = user_dir
.home_dir()
.join("AppData")
.join("Local")
.join("rustdesk-sciter");
if std::fs::create_dir_all(&dir).is_ok() {
let dst = dir.join("rustdesk.exe");
if std::fs::copy(&exe, &dst).is_ok() {
if dst.exists() {
if set_path_permission(&dir, "RX").is_ok() {
exe = dst.to_string_lossy().to_string();
}
}
}
}
}
None => {}
}
if let Err(e) = crate::platform::windows::create_process_with_logon(
username.as_str(),
password.as_str(),
&exe,
"--portable-service",
) {
*SHMEM.lock().unwrap() = None;
bail!("Failed to run portable service process: {}", e);
}
}
}
let _sender = SENDER.lock().unwrap();
Ok(())
}
pub extern "C" fn drop_portable_service_shared_memory() {
let mut lock = SHMEM.lock().unwrap();
if lock.is_some() {
*lock = None;
log::info!("drop shared memory");
}
}
pub fn set_quick_support(v: bool) {
*QUICK_SUPPORT.lock().unwrap() = v;
}
pub struct CapturerPortable {
width: usize,
height: usize,
}
impl CapturerPortable {
pub fn new(current_display: usize, use_yuv: bool) -> Self
where
Self: Sized,
{
let mut option = SHMEM.lock().unwrap();
if let Some(shmem) = option.as_mut() {
unsafe {
libc::memset(shmem.as_ptr() as _, 0, shmem.len() as _);
}
utils::set_para(
shmem,
CapturerPara {
recreate: true,
current_display,
use_yuv,
use_yuv_set: false,
timeout_ms: 33,
},
);
shmem.write(ADDR_CAPTURE_WOULDBLOCK, &utils::i32_to_vec(TRUE));
}
let (mut width, mut height) = (0, 0);
if let Ok((_, current, display)) = get_current_display() {
if current_display == current {
width = display.width();
height = display.height();
}
}
CapturerPortable { width, height }
}
}
impl TraitCapturer for CapturerPortable {
fn set_use_yuv(&mut self, use_yuv: bool) {
let mut option = SHMEM.lock().unwrap();
if let Some(shmem) = option.as_mut() {
unsafe {
let para_ptr = shmem.as_ptr().add(ADDR_CAPTURER_PARA);
let para = para_ptr as *const CapturerPara;
utils::set_para(
shmem,
CapturerPara {
recreate: (*para).recreate,
current_display: (*para).current_display,
use_yuv,
use_yuv_set: true,
timeout_ms: (*para).timeout_ms,
},
);
}
}
}
fn frame<'a>(&'a mut self, timeout: Duration) -> std::io::Result<Frame<'a>> {
let mut lock = SHMEM.lock().unwrap();
let shmem = lock.as_mut().ok_or(std::io::Error::new(
std::io::ErrorKind::Other,
"shmem dropped".to_string(),
))?;
unsafe {
let base = shmem.as_ptr();
let para_ptr = base.add(ADDR_CAPTURER_PARA);
let para = para_ptr as *const CapturerPara;
if timeout.as_millis() != (*para).timeout_ms as _ {
utils::set_para(
shmem,
CapturerPara {
recreate: (*para).recreate,
current_display: (*para).current_display,
use_yuv: (*para).use_yuv,
use_yuv_set: (*para).use_yuv_set,
timeout_ms: timeout.as_millis() as _,
},
);
}
if utils::counter_ready(base.add(ADDR_CAPTURE_FRAME_COUNTER)) {
let frame_info_ptr = shmem.as_ptr().add(ADDR_CAPTURE_FRAME_INFO);
let frame_info = frame_info_ptr as *const FrameInfo;
if (*frame_info).width != self.width || (*frame_info).height != self.height {
log::info!(
"skip frame, ({},{}) != ({},{})",
(*frame_info).width,
(*frame_info).height,
self.width,
self.height,
);
return Err(std::io::Error::new(
std::io::ErrorKind::WouldBlock,
"wouldblock error".to_string(),
));
}
let frame_ptr = base.add(ADDR_CAPTURE_FRAME);
let data = slice::from_raw_parts(frame_ptr, (*frame_info).length);
Ok(Frame(data))
} else {
let ptr = base.add(ADDR_CAPTURE_WOULDBLOCK);
let wouldblock = utils::ptr_to_i32(ptr);
if wouldblock == TRUE {
Err(std::io::Error::new(
std::io::ErrorKind::WouldBlock,
"wouldblock error".to_string(),
))
} else {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
"other error".to_string(),
))
}
}
}
}
// control by itself
fn is_gdi(&self) -> bool {
true
}
fn set_gdi(&mut self) -> bool {
true
}
}
pub(super) fn start_ipc_server() -> mpsc::UnboundedSender<Data> {
let (tx, rx) = mpsc::unbounded_channel::<Data>();
std::thread::spawn(move || start_ipc_server_async(rx));
tx
}
#[tokio::main(flavor = "current_thread")]
async fn start_ipc_server_async(rx: mpsc::UnboundedReceiver<Data>) {
use DataPortableService::*;
let rx = Arc::new(tokio::sync::Mutex::new(rx));
let postfix = IPC_SUFFIX;
let quick_support = QUICK_SUPPORT.lock().unwrap().clone();
match new_listener(postfix).await {
Ok(mut incoming) => loop {
{
tokio::select! {
Some(result) = incoming.next() => {
match result {
Ok(stream) => {
log::info!("Got portable service ipc connection");
let rx_clone = rx.clone();
tokio::spawn(async move {
let mut stream = Connection::new(stream);
let postfix = postfix.to_owned();
let mut timer = tokio::time::interval(Duration::from_secs(1));
let mut nack = 0;
let mut rx = rx_clone.lock().await;
loop {
tokio::select! {
res = stream.next() => {
match res {
Err(err) => {
log::info!(
"ipc{} connection closed: {}",
postfix,
err
);
break;
}
Ok(Some(Data::DataPortableService(data))) => match data {
Ping => {
stream.send(&Data::DataPortableService(Pong)).await.ok();
}
Pong => {
nack = 0;
*RUNNING.lock().unwrap() = true;
},
ConnCount(None) => {
if !quick_support {
let cnt = crate::server::CONN_COUNT.lock().unwrap().clone();
stream.send(&Data::DataPortableService(ConnCount(Some(cnt)))).await.ok();
}
},
WillClose => {
log::info!("portable service will close");
break;
}
_=>{}
}
_=>{}
}
}
_ = timer.tick() => {
nack+=1;
if nack > MAX_NACK {
// In fact, this will not happen, ipc will be closed before max nack.
log::error!("max ipc nack");
break;
}
stream.send(&Data::DataPortableService(Ping)).await.ok();
}
Some(data) = rx.recv() => {
allow_err!(stream.send(&data).await);
}
}
}
*RUNNING.lock().unwrap() = false;
});
}
Err(err) => {
log::error!("Couldn't get portable client: {:?}", err);
}
}
}
}
}
},
Err(err) => {
log::error!("Failed to start portable service ipc server: {}", err);
}
}
}
fn ipc_send(data: Data) -> ResultType<()> {
let sender = SENDER.lock().unwrap();
sender
.send(data)
.map_err(|e| anyhow!("ipc send error:{:?}", e))
}
fn get_cursor_info_(shmem: &mut SharedMemory, pci: PCURSORINFO) -> BOOL {
unsafe {
let shmem_addr_para = shmem.as_ptr().add(ADDR_CURSOR_PARA);
if utils::counter_ready(shmem.as_ptr().add(ADDR_CURSOR_COUNTER)) {
std::ptr::copy_nonoverlapping(shmem_addr_para, pci as _, size_of::<CURSORINFO>());
return TRUE;
}
FALSE
}
}
fn handle_mouse_(evt: &MouseEvent) -> ResultType<()> {
let mut v = vec![];
evt.write_to_vec(&mut v)?;
ipc_send(Data::DataPortableService(DataPortableService::Mouse(v)))
}
fn handle_key_(evt: &KeyEvent) -> ResultType<()> {
let mut v = vec![];
evt.write_to_vec(&mut v)?;
ipc_send(Data::DataPortableService(DataPortableService::Key(v)))
}
pub fn create_capturer(
current_display: usize,
display: scrap::Display,
use_yuv: bool,
portable_service_running: bool,
) -> ResultType<Box<dyn TraitCapturer>> {
if portable_service_running != RUNNING.lock().unwrap().clone() {
log::info!("portable service status mismatch");
}
if portable_service_running {
log::info!("Create shared memory capturer");
return Ok(Box::new(CapturerPortable::new(current_display, use_yuv)));
} else {
log::debug!("Create capturer dxgi|gdi");
return Ok(Box::new(
Capturer::new(display, use_yuv).with_context(|| "Failed to create capturer")?,
));
}
}
pub fn get_cursor_info(pci: PCURSORINFO) -> BOOL {
if RUNNING.lock().unwrap().clone() {
let mut option = SHMEM.lock().unwrap();
option
.as_mut()
.map_or(FALSE, |sheme| get_cursor_info_(sheme, pci))
} else {
unsafe { winuser::GetCursorInfo(pci) }
}
}
pub fn handle_mouse(evt: &MouseEvent) {
if RUNNING.lock().unwrap().clone() {
handle_mouse_(evt).ok();
} else {
crate::input_service::handle_mouse_(evt);
}
}
pub fn handle_key(evt: &KeyEvent) {
if RUNNING.lock().unwrap().clone() {
handle_key_(evt).ok();
} else {
crate::input_service::handle_key_(evt);
}
}
pub fn running() -> bool {
RUNNING.lock().unwrap().clone()
}
}
#[repr(C)]
pub struct CapturerPara {
recreate: bool,
current_display: usize,
use_yuv: bool,
use_yuv_set: bool,
timeout_ms: i32,
}
#[repr(C)]
pub struct FrameInfo {
length: usize,
width: usize,
height: usize,
}