509 lines
22 KiB
Rust
509 lines
22 KiB
Rust
#![cfg_attr(coverage, allow(unused_imports))]
|
||
|
||
use anyhow::Result;
|
||
use std::sync::Arc;
|
||
use std::sync::atomic::{AtomicUsize, Ordering};
|
||
use std::time::Duration;
|
||
use tokio::sync::{broadcast, mpsc};
|
||
use tokio_stream::{StreamExt, wrappers::BroadcastStream};
|
||
use tonic::{Request, transport::Channel};
|
||
use tracing::{debug, error, info, trace, warn};
|
||
use winit::{
|
||
event::Event,
|
||
event_loop::{ControlFlow, EventLoopBuilder},
|
||
platform::wayland::EventLoopBuilderExtWayland,
|
||
};
|
||
|
||
use lesavka_common::lesavka::{
|
||
AudioPacket, KeyboardReport, MonitorRequest, MouseReport, VideoPacket,
|
||
relay_client::RelayClient,
|
||
};
|
||
|
||
use crate::{
|
||
app_support, handshake, input::camera::CameraCapture, input::inputs::InputAggregator,
|
||
input::microphone::MicrophoneCapture, output::audio::AudioOut, output::video::MonitorWindow,
|
||
paste,
|
||
};
|
||
|
||
pub struct LesavkaClientApp {
|
||
aggregator: Option<InputAggregator>,
|
||
server_addr: String,
|
||
dev_mode: bool,
|
||
headless: bool,
|
||
kbd_tx: broadcast::Sender<KeyboardReport>,
|
||
mou_tx: broadcast::Sender<MouseReport>,
|
||
paste_rx: Option<mpsc::UnboundedReceiver<String>>,
|
||
}
|
||
|
||
impl LesavkaClientApp {
|
||
pub fn new() -> Result<Self> {
|
||
let dev_mode = std::env::var("LESAVKA_DEV_MODE").is_ok();
|
||
let headless = std::env::var("LESAVKA_HEADLESS").is_ok();
|
||
let args = std::env::args().skip(1).collect::<Vec<_>>();
|
||
let env_addr = std::env::var("LESAVKA_SERVER_ADDR").ok();
|
||
let server_addr = app_support::resolve_server_addr(&args, env_addr.as_deref());
|
||
|
||
let (kbd_tx, _) = broadcast::channel(1024);
|
||
let (mou_tx, _) = broadcast::channel(4096);
|
||
let (paste_tx, paste_rx) = mpsc::unbounded_channel();
|
||
|
||
let agg = if headless {
|
||
None
|
||
} else {
|
||
Some(InputAggregator::new(
|
||
dev_mode,
|
||
kbd_tx.clone(),
|
||
mou_tx.clone(),
|
||
Some(paste_tx),
|
||
))
|
||
};
|
||
|
||
Ok(Self {
|
||
aggregator: agg,
|
||
server_addr,
|
||
dev_mode,
|
||
headless,
|
||
kbd_tx,
|
||
mou_tx,
|
||
paste_rx: Some(paste_rx),
|
||
})
|
||
}
|
||
|
||
#[cfg(coverage)]
|
||
pub async fn run(&mut self) -> Result<()> {
|
||
info!(server = %self.server_addr, "🚦 starting handshake");
|
||
let _caps = handshake::negotiate(&self.server_addr).await;
|
||
if self.headless {
|
||
info!("🧪 headless mode: skipping HID input capture");
|
||
} else {
|
||
info!("🧪 coverage mode: skipping runtime stream wiring");
|
||
}
|
||
std::future::pending::<Result<()>>().await
|
||
}
|
||
|
||
#[cfg(not(coverage))]
|
||
pub async fn run(&mut self) -> Result<()> {
|
||
/*────────── handshake / feature-negotiation ───────────────*/
|
||
info!(server = %self.server_addr, "🚦 starting handshake");
|
||
let caps = handshake::negotiate(&self.server_addr).await;
|
||
tracing::info!("🤝 server capabilities = {:?}", caps);
|
||
let camera_cfg = app_support::camera_config_from_caps(&caps);
|
||
|
||
/*────────── persistent gRPC channels ──────────*/
|
||
let hid_ep = Channel::from_shared(self.server_addr.clone())?
|
||
.tcp_nodelay(true)
|
||
.concurrency_limit(4)
|
||
.http2_keep_alive_interval(Duration::from_secs(15))
|
||
.connect_lazy();
|
||
|
||
let vid_ep = Channel::from_shared(self.server_addr.clone())?
|
||
.initial_connection_window_size(4 << 20)
|
||
.initial_stream_window_size(4 << 20)
|
||
.tcp_nodelay(true)
|
||
.connect_lazy();
|
||
|
||
let mut agg_task = None;
|
||
let mut kbd_loop = None;
|
||
let mut mou_loop = None;
|
||
let mut paste_task = None;
|
||
let paste_rx = self.paste_rx.take();
|
||
if !self.headless {
|
||
/*────────── input aggregator task (grab after handshake) ─────────────*/
|
||
let mut aggregator = self.aggregator.take().expect("InputAggregator present");
|
||
info!("⌛ grabbing input devices…");
|
||
aggregator.init()?; // grab devices now that handshake succeeded
|
||
agg_task = Some(tokio::spawn(async move {
|
||
let mut a = aggregator;
|
||
a.run().await
|
||
}));
|
||
|
||
/*────────── HID streams (never return) ────────*/
|
||
kbd_loop = Some(self.stream_loop_keyboard(hid_ep.clone()));
|
||
mou_loop = Some(self.stream_loop_mouse(hid_ep.clone()));
|
||
if let Some(rx) = paste_rx {
|
||
paste_task = Some(Self::paste_loop(hid_ep.clone(), rx));
|
||
}
|
||
} else {
|
||
info!("🧪 headless mode: skipping HID input capture");
|
||
}
|
||
|
||
/*───────── optional 300 s auto-exit in dev mode */
|
||
let suicide = async {
|
||
if self.dev_mode {
|
||
tokio::time::sleep(Duration::from_secs(300)).await;
|
||
warn!("💀 dev-mode timeout");
|
||
std::process::exit(0);
|
||
} else {
|
||
std::future::pending::<()>().await
|
||
}
|
||
};
|
||
|
||
if !self.headless {
|
||
/*────────── video rendering thread (winit) ────*/
|
||
let video_queue = app_support::sanitize_video_queue(
|
||
std::env::var("LESAVKA_VIDEO_QUEUE")
|
||
.ok()
|
||
.and_then(|v| v.parse::<usize>().ok()),
|
||
);
|
||
let dump_video = std::env::var("LESAVKA_DUMP_VIDEO").is_ok();
|
||
let (video_tx, mut video_rx) = tokio::sync::mpsc::channel::<VideoPacket>(video_queue);
|
||
|
||
std::thread::spawn(move || {
|
||
gtk::init().expect("GTK initialisation failed");
|
||
#[allow(deprecated)]
|
||
{
|
||
let el = EventLoopBuilder::<()>::new()
|
||
.with_any_thread(true)
|
||
.build()
|
||
.unwrap();
|
||
let win0 = MonitorWindow::new(0).expect("win0");
|
||
let win1 = MonitorWindow::new(1).expect("win1");
|
||
|
||
let _ = el.run(move |_: Event<()>, _elwt| {
|
||
_elwt.set_control_flow(ControlFlow::WaitUntil(
|
||
std::time::Instant::now() + std::time::Duration::from_millis(16),
|
||
));
|
||
static CNT: std::sync::atomic::AtomicU64 =
|
||
std::sync::atomic::AtomicU64::new(0);
|
||
while let Ok(pkt) = video_rx.try_recv() {
|
||
CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
|
||
if CNT.load(std::sync::atomic::Ordering::Relaxed) % 300 == 0 {
|
||
debug!(
|
||
"🎥 received {} video packets",
|
||
CNT.load(std::sync::atomic::Ordering::Relaxed)
|
||
);
|
||
}
|
||
if dump_video {
|
||
static DUMP_CNT: std::sync::atomic::AtomicU32 =
|
||
std::sync::atomic::AtomicU32::new(0);
|
||
let n = DUMP_CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
|
||
let eye = if pkt.id == 0 { "l" } else { "r" };
|
||
let path = format!("/tmp/eye{eye}-cli-{n:05}.h264");
|
||
std::fs::write(&path, &pkt.data).ok();
|
||
}
|
||
match pkt.id {
|
||
0 => win0.push_packet(pkt),
|
||
1 => win1.push_packet(pkt),
|
||
_ => {}
|
||
}
|
||
}
|
||
});
|
||
}
|
||
});
|
||
|
||
/*────────── start video gRPC pullers ──────────*/
|
||
let ep_video = vid_ep.clone();
|
||
tokio::spawn(Self::video_loop(ep_video, video_tx));
|
||
|
||
/*────────── audio renderer & puller ───────────*/
|
||
let audio_out = AudioOut::new()?;
|
||
let ep_audio = vid_ep.clone();
|
||
|
||
tokio::spawn(Self::audio_loop(ep_audio, audio_out));
|
||
} else {
|
||
info!("🧪 headless mode: skipping video/audio renderers");
|
||
}
|
||
/*────────── camera & mic tasks (gated by caps) ───────────*/
|
||
if caps.camera && std::env::var("LESAVKA_CAM_DISABLE").is_err() {
|
||
if let Some(cfg) = camera_cfg {
|
||
info!(
|
||
codec = ?cfg.codec,
|
||
width = cfg.width,
|
||
height = cfg.height,
|
||
fps = cfg.fps,
|
||
"📸 using camera settings from server"
|
||
);
|
||
}
|
||
let cam = Arc::new(CameraCapture::new(
|
||
std::env::var("LESAVKA_CAM_SOURCE").ok().as_deref(),
|
||
camera_cfg,
|
||
)?);
|
||
tokio::spawn(Self::cam_loop(vid_ep.clone(), cam));
|
||
}
|
||
if caps.microphone && std::env::var("LESAVKA_MIC_DISABLE").is_err() {
|
||
let mic = Arc::new(MicrophoneCapture::new()?);
|
||
tokio::spawn(Self::voice_loop(vid_ep.clone(), mic)); // renamed
|
||
}
|
||
|
||
/*────────── central reactor ───────────────────*/
|
||
if self.headless {
|
||
tokio::select! {
|
||
_ = suicide => { /* handled above */ },
|
||
}
|
||
} else {
|
||
let kbd_loop = kbd_loop.expect("kbd_loop");
|
||
let mou_loop = mou_loop.expect("mou_loop");
|
||
let agg_task = agg_task.expect("agg_task");
|
||
let paste_task = paste_task.expect("paste_task");
|
||
tokio::select! {
|
||
_ = kbd_loop => { warn!("⚠️⌨️ keyboard stream finished"); },
|
||
_ = mou_loop => { warn!("⚠️🖱️ mouse stream finished"); },
|
||
_ = paste_task => { warn!("⚠️📋 paste loop finished"); },
|
||
_ = suicide => { /* handled above */ },
|
||
r = agg_task => {
|
||
match r {
|
||
Ok(Ok(())) => warn!("input aggregator terminated cleanly"),
|
||
Ok(Err(e)) => error!("input aggregator error: {e:?}"),
|
||
Err(join_err) => error!("aggregator task panicked: {join_err:?}"),
|
||
}
|
||
return Ok(());
|
||
}
|
||
}
|
||
}
|
||
|
||
// The branches above either loop forever or exit the process; this
|
||
// point is unreachable but satisfies the type checker.
|
||
#[allow(unreachable_code)]
|
||
Ok(())
|
||
}
|
||
|
||
/*──────────────── paste loop ───────────────*/
|
||
#[cfg(not(coverage))]
|
||
fn paste_loop(
|
||
ep: Channel,
|
||
mut rx: mpsc::UnboundedReceiver<String>,
|
||
) -> tokio::task::JoinHandle<()> {
|
||
tokio::spawn(async move {
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
while let Some(text) = rx.recv().await {
|
||
match paste::build_paste_request(&text) {
|
||
Ok(req) => match cli.paste_text(Request::new(req)).await {
|
||
Ok(resp) => {
|
||
let reply = resp.get_ref();
|
||
if !reply.ok {
|
||
warn!("📋 paste rejected: {}", reply.error);
|
||
} else {
|
||
debug!("📋 paste delivered");
|
||
}
|
||
}
|
||
Err(e) => {
|
||
warn!("📋 paste failed: {e}");
|
||
cli = RelayClient::new(ep.clone());
|
||
}
|
||
},
|
||
Err(e) => {
|
||
warn!("📋 paste build failed: {e}");
|
||
}
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
/*──────────────── keyboard stream ───────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn stream_loop_keyboard(&self, ep: Channel) {
|
||
loop {
|
||
info!("⌨️🤙 Keyboard dial {}", self.server_addr);
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
|
||
let outbound = BroadcastStream::new(self.kbd_tx.subscribe()).filter_map(|r| r.ok());
|
||
|
||
match cli.stream_keyboard(Request::new(outbound)).await {
|
||
Ok(mut resp) => {
|
||
while let Some(msg) = resp.get_mut().message().await.transpose() {
|
||
if let Err(e) = msg {
|
||
warn!("⌨️ server err: {e}");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
Err(e) => warn!("❌⌨️ connect failed: {e}"),
|
||
}
|
||
tokio::time::sleep(Duration::from_secs(1)).await; // retry
|
||
}
|
||
}
|
||
|
||
/*──────────────── mouse stream ──────────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn stream_loop_mouse(&self, ep: Channel) {
|
||
loop {
|
||
info!("🖱️🤙 Mouse dial {}", self.server_addr);
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
|
||
let outbound = BroadcastStream::new(self.mou_tx.subscribe()).filter_map(|r| r.ok());
|
||
|
||
match cli.stream_mouse(Request::new(outbound)).await {
|
||
Ok(mut resp) => {
|
||
while let Some(msg) = resp.get_mut().message().await.transpose() {
|
||
if let Err(e) = msg {
|
||
warn!("🖱️ server err: {e}");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
Err(e) => warn!("❌🖱️ connect failed: {e}"),
|
||
}
|
||
tokio::time::sleep(Duration::from_secs(1)).await;
|
||
}
|
||
}
|
||
|
||
/*──────────────── monitor stream ────────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn video_loop(ep: Channel, tx: tokio::sync::mpsc::Sender<VideoPacket>) {
|
||
let max_bitrate = std::env::var("LESAVKA_VIDEO_MAX_KBIT")
|
||
.ok()
|
||
.and_then(|v| v.parse::<u32>().ok())
|
||
.unwrap_or(4_000);
|
||
for monitor_id in 0..=1 {
|
||
let ep = ep.clone();
|
||
let tx = tx.clone();
|
||
tokio::spawn(async move {
|
||
loop {
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
let req = MonitorRequest {
|
||
id: monitor_id,
|
||
max_bitrate,
|
||
};
|
||
match cli.capture_video(Request::new(req)).await {
|
||
Ok(mut stream) => {
|
||
debug!("🎥🏁 cli video{monitor_id}: stream opened");
|
||
while let Some(res) = stream.get_mut().message().await.transpose() {
|
||
match res {
|
||
Ok(pkt) => {
|
||
trace!(
|
||
"🎥📥 cli video{monitor_id}: got {} bytes",
|
||
pkt.data.len()
|
||
);
|
||
if tx.send(pkt).await.is_err() {
|
||
warn!("⚠️🎥 cli video{monitor_id}: GUI thread gone");
|
||
break;
|
||
}
|
||
}
|
||
Err(e) => {
|
||
error!("❌🎥 cli video{monitor_id}: gRPC error: {e}");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
warn!("⚠️🎥 cli video{monitor_id}: stream ended");
|
||
}
|
||
Err(e) => error!("❌🎥 video {monitor_id}: {e}"),
|
||
}
|
||
tokio::time::sleep(Duration::from_secs(1)).await;
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
/*──────────────── audio stream ───────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn audio_loop(ep: Channel, out: AudioOut) {
|
||
loop {
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
let req = MonitorRequest {
|
||
id: 0,
|
||
max_bitrate: 0,
|
||
};
|
||
match cli.capture_audio(Request::new(req)).await {
|
||
Ok(mut stream) => {
|
||
while let Some(res) = stream.get_mut().message().await.transpose() {
|
||
if let Ok(pkt) = res {
|
||
out.push(pkt);
|
||
}
|
||
}
|
||
}
|
||
Err(e) => tracing::warn!("❌🔊 audio stream err: {e}"),
|
||
}
|
||
tokio::time::sleep(Duration::from_secs(1)).await;
|
||
}
|
||
}
|
||
|
||
/*──────────────── mic stream ─────────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn voice_loop(ep: Channel, mic: Arc<MicrophoneCapture>) {
|
||
let mut delay = Duration::from_secs(1);
|
||
static FAIL_CNT: AtomicUsize = AtomicUsize::new(0);
|
||
loop {
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
|
||
// 1. create a Tokio MPSC channel
|
||
let (tx, rx) = tokio::sync::mpsc::channel::<AudioPacket>(256);
|
||
let (stop_tx, stop_rx) = std::sync::mpsc::channel::<()>();
|
||
|
||
// 2. spawn a real thread that does the blocking `pull()`
|
||
let mic_clone = mic.clone();
|
||
std::thread::spawn(move || {
|
||
while stop_rx.try_recv().is_err() {
|
||
if let Some(pkt) = mic_clone.pull() {
|
||
trace!("🎤📤 cli {} bytes → gRPC", pkt.data.len());
|
||
let _ = tx.blocking_send(pkt);
|
||
}
|
||
}
|
||
});
|
||
|
||
// 3. turn `rx` into an async stream for gRPC
|
||
let outbound = tokio_stream::wrappers::ReceiverStream::new(rx);
|
||
match cli.stream_microphone(Request::new(outbound)).await {
|
||
Ok(mut resp) => while resp.get_mut().message().await.transpose().is_some() {},
|
||
Err(e) => {
|
||
// first failure → warn, subsequent ones → debug
|
||
if FAIL_CNT.fetch_add(1, Ordering::Relaxed) == 0 {
|
||
warn!("❌🎤 connect failed: {e}");
|
||
warn!("⚠️🎤 further microphone‑stream failures will be logged at DEBUG");
|
||
} else {
|
||
debug!("❌🎤 reconnect failed: {e}");
|
||
}
|
||
delay = app_support::next_delay(delay);
|
||
}
|
||
}
|
||
let _ = stop_tx.send(());
|
||
tokio::time::sleep(delay).await;
|
||
}
|
||
}
|
||
|
||
/*──────────────── cam stream ───────────────────*/
|
||
#[cfg(not(coverage))]
|
||
async fn cam_loop(ep: Channel, cam: Arc<CameraCapture>) {
|
||
let mut delay = Duration::from_secs(1);
|
||
loop {
|
||
let mut cli = RelayClient::new(ep.clone());
|
||
let (tx, rx) = tokio::sync::mpsc::channel::<VideoPacket>(256);
|
||
let (stop_tx, stop_rx) = std::sync::mpsc::channel::<()>();
|
||
let cam_worker = std::thread::spawn({
|
||
let cam = cam.clone();
|
||
move || loop {
|
||
if stop_rx.try_recv().is_ok() {
|
||
break;
|
||
}
|
||
let Some(pkt) = cam.pull() else {
|
||
std::thread::sleep(Duration::from_millis(5));
|
||
continue;
|
||
};
|
||
// TRACE every 120 frames only
|
||
static CNT: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
|
||
let n = CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
|
||
if n < 10 || n % 120 == 0 {
|
||
tracing::trace!("📸 cli frame#{n} {} B", pkt.data.len());
|
||
}
|
||
tracing::trace!("📸⬆️ sent webcam AU pts={} {} B", pkt.pts, pkt.data.len());
|
||
if tx.blocking_send(pkt).is_err() {
|
||
break;
|
||
}
|
||
}
|
||
});
|
||
|
||
let outbound = tokio_stream::wrappers::ReceiverStream::new(rx);
|
||
match cli.stream_camera(Request::new(outbound)).await {
|
||
Ok(mut resp) => {
|
||
delay = Duration::from_secs(1); // got a stream → reset
|
||
while resp.get_mut().message().await.transpose().is_some() {}
|
||
}
|
||
Err(e) if e.code() == tonic::Code::Unimplemented => {
|
||
tracing::warn!("📸 server does not support StreamCamera – giving up");
|
||
let _ = stop_tx.send(());
|
||
let _ = cam_worker.join();
|
||
return; // stop the task completely (#3)
|
||
}
|
||
Err(e) => {
|
||
tracing::warn!("❌📸 connect failed: {e:?}");
|
||
delay = app_support::next_delay(delay); // back-off (#2)
|
||
}
|
||
}
|
||
let _ = stop_tx.send(());
|
||
let _ = cam_worker.join();
|
||
tokio::time::sleep(delay).await;
|
||
}
|
||
}
|
||
|
||
}
|