325 lines
15 KiB
Rust
325 lines
15 KiB
Rust
impl LesavkaClientApp {
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pub fn new() -> Result<Self> {
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let dev_mode = std::env::var("LESAVKA_DEV_MODE").is_ok();
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let headless = std::env::var("LESAVKA_HEADLESS").is_ok();
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let capture_remote_boot = std::env::var("LESAVKA_CAPTURE_REMOTE")
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.map(|value| value != "0")
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.unwrap_or(true);
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let args = std::env::args().skip(1).collect::<Vec<_>>();
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let env_addr = std::env::var("LESAVKA_SERVER_ADDR").ok();
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let server_addr = app_support::resolve_server_addr(&args, env_addr.as_deref());
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let (kbd_tx, _) = broadcast::channel(1024);
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let (mou_tx, _) = broadcast::channel(4096);
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let (paste_tx, paste_rx) = mpsc::unbounded_channel();
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let (agg, remote_capture_enabled) = if headless {
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(None, Arc::new(AtomicBool::new(false)))
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} else {
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let aggregator = InputAggregator::new_with_capture_mode(
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dev_mode,
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kbd_tx.clone(),
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mou_tx.clone(),
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Some(paste_tx),
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capture_remote_boot,
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);
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let remote_capture_enabled = aggregator.remote_capture_enabled_handle();
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(Some(aggregator), remote_capture_enabled)
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};
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Ok(Self {
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aggregator: agg,
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server_addr,
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dev_mode,
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headless,
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kbd_tx,
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mou_tx,
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paste_rx: Some(paste_rx),
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remote_capture_enabled,
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})
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}
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#[cfg(coverage)]
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pub async fn run(&mut self) -> Result<()> {
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info!(server = %self.server_addr, "🚦 starting handshake");
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let _caps = handshake::negotiate(&self.server_addr).await;
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if self.headless {
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info!("🧪 headless mode: skipping HID input capture");
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} else {
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info!("🧪 coverage mode: skipping runtime stream wiring");
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}
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std::future::pending::<Result<()>>().await
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}
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#[cfg(not(coverage))]
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pub async fn run(&mut self) -> Result<()> {
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/*────────── handshake / feature-negotiation ───────────────*/
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info!(server = %self.server_addr, "🚦 starting handshake");
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let caps = handshake::negotiate(&self.server_addr).await;
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tracing::info!("🤝 server capabilities = {:?}", caps);
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let camera_cfg = app_support::camera_config_from_caps(&caps);
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let uplink_telemetry = crate::uplink_telemetry::UplinkTelemetryPublisher::from_env(
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caps.camera && std::env::var("LESAVKA_CAM_DISABLE").is_err(),
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caps.microphone && std::env::var("LESAVKA_MIC_DISABLE").is_err(),
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);
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/*────────── persistent gRPC channels ──────────*/
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let hid_ep = Channel::from_shared(self.server_addr.clone())?
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.tcp_nodelay(true)
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.concurrency_limit(4)
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.http2_keep_alive_interval(Duration::from_secs(15))
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.connect_lazy();
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let vid_ep = Channel::from_shared(self.server_addr.clone())?
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.initial_connection_window_size(4 << 20)
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.initial_stream_window_size(4 << 20)
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.tcp_nodelay(true)
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.connect_lazy();
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let mut agg_task = None;
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let mut kbd_loop = None;
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let mut mou_loop = None;
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let mut paste_task = None;
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let paste_rx = self.paste_rx.take();
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if !self.headless {
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/*────────── input aggregator task (grab after handshake) ─────────────*/
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let mut aggregator = self.aggregator.take().expect("InputAggregator present");
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info!("⌛ grabbing input devices…");
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aggregator.init()?; // grab devices now that handshake succeeded
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agg_task = Some(tokio::spawn(async move {
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let mut a = aggregator;
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a.run().await
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}));
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/*────────── HID streams (never return) ────────*/
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kbd_loop = Some(self.stream_loop_keyboard(hid_ep.clone()));
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mou_loop = Some(self.stream_loop_mouse(hid_ep.clone()));
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if let Some(rx) = paste_rx {
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paste_task = Some(Self::paste_loop(hid_ep.clone(), rx));
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}
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} else {
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info!("🧪 headless mode: skipping HID input capture");
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}
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/*───────── optional 300 s auto-exit in dev mode */
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let suicide = async {
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if self.dev_mode {
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tokio::time::sleep(Duration::from_secs(300)).await;
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warn!("💀 dev-mode timeout");
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std::process::exit(0);
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} else {
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std::future::pending::<()>().await
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}
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};
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if !self.headless {
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let view_mode = std::env::var("LESAVKA_VIEW_MODE")
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.unwrap_or_else(|_| "breakout".to_string())
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.to_ascii_lowercase();
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let unified_view = view_mode == "unified";
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let disable_video_render = std::env::var("LESAVKA_DISABLE_VIDEO_RENDER")
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.map(|value| value.trim() != "0")
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.unwrap_or(false);
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info!(
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"🪟 video layout selected: {}",
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if unified_view { "unified" } else { "breakout" }
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);
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if disable_video_render {
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info!("🪟 launcher preview active; skipping standalone client video windows");
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} else {
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/*────────── video rendering thread (winit) ────*/
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let video_queue = app_support::sanitize_video_queue(
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std::env::var("LESAVKA_VIDEO_QUEUE")
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.ok()
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.and_then(|v| v.parse::<usize>().ok()),
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);
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let dump_video = std::env::var("LESAVKA_DUMP_VIDEO").is_ok();
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let (video_tx, mut video_rx) =
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tokio::sync::mpsc::channel::<VideoPacket>(video_queue);
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std::thread::spawn(move || {
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gtk::init().expect("GTK initialisation failed");
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#[allow(deprecated)]
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{
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let el = EventLoopBuilder::<()>::new()
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.with_any_thread(true)
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.build()
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.unwrap();
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enum Renderer {
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Unified(UnifiedMonitorWindow),
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Breakout {
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left: MonitorWindow,
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right: MonitorWindow,
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},
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}
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let renderer = if unified_view {
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Renderer::Unified(UnifiedMonitorWindow::new().expect("unified-window"))
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} else {
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Renderer::Breakout {
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left: MonitorWindow::new(0).expect("win0"),
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right: MonitorWindow::new(1).expect("win1"),
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}
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};
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let _ = el.run(move |_: Event<()>, elwt| {
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elwt.set_control_flow(ControlFlow::WaitUntil(
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std::time::Instant::now() + std::time::Duration::from_millis(8),
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));
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static CNT: std::sync::atomic::AtomicU64 =
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std::sync::atomic::AtomicU64::new(0);
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while let Ok(pkt) = video_rx.try_recv() {
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CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
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if CNT.load(std::sync::atomic::Ordering::Relaxed).is_multiple_of(300) {
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debug!(
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"🎥 received {} video packets",
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CNT.load(std::sync::atomic::Ordering::Relaxed)
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);
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}
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if dump_video {
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static DUMP_CNT: std::sync::atomic::AtomicU32 =
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std::sync::atomic::AtomicU32::new(0);
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let n =
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DUMP_CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
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let eye = if pkt.id == 0 { "l" } else { "r" };
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let path = format!("/tmp/eye{eye}-cli-{n:05}.h264");
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std::fs::write(&path, &pkt.data).ok();
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}
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match &renderer {
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Renderer::Unified(window) => window.push_packet(pkt),
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Renderer::Breakout { left, right } => match pkt.id {
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0 => left.push_packet(pkt),
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1 => right.push_packet(pkt),
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_ => {}
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},
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}
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}
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});
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}
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});
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/*────────── start video gRPC pullers ──────────*/
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let ep_video = vid_ep.clone();
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tokio::spawn(Self::video_loop(ep_video, video_tx));
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}
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/*────────── audio renderer & puller ───────────*/
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if std::env::var("LESAVKA_AUDIO_DISABLE").is_err() {
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let audio_out = AudioOut::new()?;
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let ep_audio = vid_ep.clone();
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tokio::spawn(Self::audio_loop(ep_audio, audio_out));
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} else {
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info!("🔇 remote audio disabled for this relay session");
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}
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} else {
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info!("🧪 headless mode: skipping video/audio renderers");
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}
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/*────────── camera & mic tasks (gated by caps) ───────────*/
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if caps.camera && std::env::var("LESAVKA_CAM_DISABLE").is_err() {
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if let Some(cfg) = camera_cfg {
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info!(
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codec = ?cfg.codec,
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width = cfg.width,
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height = cfg.height,
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fps = cfg.fps,
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"📸 using camera settings from server"
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);
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}
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let ep = vid_ep.clone();
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let cam_source = std::env::var("LESAVKA_CAM_SOURCE").ok();
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let cam_telemetry =
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uplink_telemetry.handle(crate::uplink_telemetry::UpstreamStreamKind::Camera);
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tokio::spawn(async move {
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let result = tokio::task::spawn_blocking(move || {
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CameraCapture::new(cam_source.as_deref(), camera_cfg)
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})
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.await;
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match result {
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Ok(Ok(cam)) => {
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let cam = Arc::new(cam);
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tokio::spawn(Self::cam_loop(ep, cam, cam_telemetry.clone()));
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}
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Ok(Err(err)) => {
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cam_telemetry.record_disconnect(format!(
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"webcam uplink setup failed: {err:#}"
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));
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warn!(
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"📸 webcam uplink is unavailable for this relay session; continuing without StreamCamera: {err:#}"
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);
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}
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Err(err) => {
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cam_telemetry.record_disconnect(format!(
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"webcam uplink setup task failed: {err}"
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));
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warn!(
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"📸 webcam uplink setup task failed before StreamCamera could start: {err}"
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);
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}
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}
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});
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}
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if caps.microphone && std::env::var("LESAVKA_MIC_DISABLE").is_err() {
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let ep = vid_ep.clone();
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let mic_telemetry =
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uplink_telemetry.handle(crate::uplink_telemetry::UpstreamStreamKind::Microphone);
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tokio::spawn(async move {
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let result = tokio::task::spawn_blocking(MicrophoneCapture::new).await;
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match result {
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Ok(Ok(mic)) => {
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let mic = Arc::new(mic);
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tokio::spawn(Self::voice_loop(ep, mic, mic_telemetry.clone()));
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}
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Ok(Err(err)) => {
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mic_telemetry.record_disconnect(format!(
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"microphone uplink setup failed: {err:#}"
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));
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warn!(
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"🎤 microphone uplink is unavailable for this relay session; continuing without StreamMicrophone: {err:#}"
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);
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}
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Err(err) => {
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mic_telemetry.record_disconnect(format!(
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"microphone uplink setup task failed: {err}"
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));
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warn!(
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"🎤 microphone uplink setup task failed before StreamMicrophone could start: {err}"
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);
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}
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}
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});
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}
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/*────────── central reactor ───────────────────*/
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if self.headless {
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tokio::select! {
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_ = suicide => { /* handled above */ },
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}
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} else {
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let kbd_loop = kbd_loop.expect("kbd_loop");
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let mou_loop = mou_loop.expect("mou_loop");
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let agg_task = agg_task.expect("agg_task");
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let paste_task = paste_task.expect("paste_task");
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tokio::select! {
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_ = kbd_loop => { warn!("⚠️⌨️ keyboard stream finished"); },
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_ = mou_loop => { warn!("⚠️🖱️ mouse stream finished"); },
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_ = paste_task => { warn!("⚠️📋 paste loop finished"); },
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_ = suicide => { /* handled above */ },
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r = agg_task => {
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match r {
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Ok(Ok(())) => warn!("input aggregator terminated cleanly"),
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Ok(Err(e)) => error!("input aggregator error: {e:?}"),
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Err(join_err) => error!("aggregator task panicked: {join_err:?}"),
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}
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return Ok(());
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}
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}
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}
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// The branches above either loop forever or exit the process; this
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// point is unreachable but satisfies the type checker.
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#[allow(unreachable_code)]
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Ok(())
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}
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}
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