243 lines
9.5 KiB
Rust
243 lines
9.5 KiB
Rust
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/*──────────────── gRPC service ─────────────*/
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#[cfg(not(coverage))]
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#[tonic::async_trait]
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impl Relay for Handler {
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/* existing streams ─ unchanged, except: no more auto-reset */
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type StreamKeyboardStream = ReceiverStream<Result<KeyboardReport, Status>>;
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type StreamMouseStream = ReceiverStream<Result<MouseReport, Status>>;
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type CaptureVideoStream = VideoStream;
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type CaptureAudioStream = AudioStream;
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type StreamMicrophoneStream = ReceiverStream<Result<Empty, Status>>;
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type StreamCameraStream = ReceiverStream<Result<Empty, Status>>;
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async fn stream_keyboard(
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&self,
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req: Request<tonic::Streaming<KeyboardReport>>,
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) -> Result<Response<Self::StreamKeyboardStream>, Status> {
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let rpc_id = runtime_support::next_stream_id();
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info!(rpc_id, "⌨️ stream_keyboard opened");
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let (tx, rx) = tokio::sync::mpsc::channel(32);
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let kb = self.kb.clone();
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let ms = self.ms.clone();
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let kb_path = hid_endpoint(0);
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let ms_path = hid_endpoint(1);
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let gadget = self.gadget.clone();
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let did_cycle = self.did_cycle.clone();
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let session_lease = self.capture_power.acquire_session().await;
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let report_delay = live_keyboard_report_delay();
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tokio::spawn(async move {
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let _session_lease = session_lease;
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let mut s = req.into_inner();
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while let Some(pkt) = s.next().await.transpose()? {
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if let Err(e) = runtime_support::write_hid_report(&kb, &kb_path, &pkt.data).await {
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if e.raw_os_error() == Some(libc::EAGAIN) {
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debug!(rpc_id, "⌨️ write would block (dropped)");
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} else {
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warn!(rpc_id, "⌨️ write failed: {e} (dropped)");
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runtime_support::recover_hid_if_needed(
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&e,
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gadget.clone(),
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kb.clone(),
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ms.clone(),
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kb_path.clone(),
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ms_path.clone(),
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did_cycle.clone(),
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)
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.await;
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}
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}
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tx.send(Ok(pkt)).await.ok();
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if !report_delay.is_zero() {
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tokio::time::sleep(report_delay).await;
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}
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}
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info!(rpc_id, "⌨️ stream_keyboard closed");
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Ok::<(), Status>(())
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});
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Ok(Response::new(ReceiverStream::new(rx)))
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}
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async fn stream_mouse(
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&self,
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req: Request<tonic::Streaming<MouseReport>>,
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) -> Result<Response<Self::StreamMouseStream>, Status> {
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let rpc_id = runtime_support::next_stream_id();
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info!(rpc_id, "🖱️ stream_mouse opened");
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let (tx, rx) = tokio::sync::mpsc::channel(1024);
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let ms = self.ms.clone();
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let kb = self.kb.clone();
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let kb_path = hid_endpoint(0);
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let ms_path = hid_endpoint(1);
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let gadget = self.gadget.clone();
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let did_cycle = self.did_cycle.clone();
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let session_lease = self.capture_power.acquire_session().await;
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tokio::spawn(async move {
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let _session_lease = session_lease;
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let mut s = req.into_inner();
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while let Some(pkt) = s.next().await.transpose()? {
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if let Err(e) = runtime_support::write_hid_report(&ms, &ms_path, &pkt.data).await {
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if e.raw_os_error() == Some(libc::EAGAIN) {
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debug!(rpc_id, "🖱️ write would block (dropped)");
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} else {
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warn!(rpc_id, "🖱️ write failed: {e} (dropped)");
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runtime_support::recover_hid_if_needed(
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&e,
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gadget.clone(),
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kb.clone(),
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ms.clone(),
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kb_path.clone(),
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ms_path.clone(),
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did_cycle.clone(),
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)
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.await;
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}
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}
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tx.send(Ok(pkt)).await.ok();
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}
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info!(rpc_id, "🖱️ stream_mouse closed");
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Ok::<(), Status>(())
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});
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Ok(Response::new(ReceiverStream::new(rx)))
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}
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/// Accept synthetic upstream microphone packets without ALSA hardware.
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async fn stream_microphone(
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&self,
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req: Request<tonic::Streaming<AudioPacket>>,
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) -> Result<Response<Self::StreamMicrophoneStream>, Status> {
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let rpc_id = runtime_support::next_stream_id();
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info!(rpc_id, "🎤 stream_microphone opened");
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// 1 ─ build once, early
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let uac_dev = std::env::var("LESAVKA_UAC_DEV").unwrap_or_else(|_| "hw:UAC2Gadget,0".into());
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info!(%uac_dev, "🎤 stream_microphone using UAC sink");
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let mut sink = runtime_support::open_voice_with_retry(&uac_dev)
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.await
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.map_err(|e| Status::internal(format!("{e:#}")))?;
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// 2 ─ dummy outbound stream (same trick as before)
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let (tx, rx) = tokio::sync::mpsc::channel(1);
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// 3 ─ drive the sink in a background task
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tokio::spawn(async move {
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let mut inbound = req.into_inner();
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static CNT: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
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while let Some(pkt) = inbound.next().await.transpose()? {
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let n = CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
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if n < 5 || n.is_multiple_of(3_000) {
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tracing::info!(rpc_id, "🎤⬇ srv pkt#{n} {} bytes", pkt.data.len());
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}
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sink.push(&pkt);
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}
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sink.finish(); // flush on EOS
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let _ = tx.send(Ok(Empty {})).await;
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info!(rpc_id, "🎤 stream_microphone closed");
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Ok::<(), Status>(())
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});
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Ok(Response::new(ReceiverStream::new(rx)))
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}
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/// Accept synthetic upstream webcam packets without UVC/HDMI hardware.
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async fn stream_camera(
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&self,
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req: Request<tonic::Streaming<VideoPacket>>,
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) -> Result<Response<Self::StreamCameraStream>, Status> {
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let rpc_id = runtime_support::next_stream_id();
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let cfg = camera::current_camera_config();
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info!(
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rpc_id,
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output = cfg.output.as_str(),
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codec = cfg.codec.as_str(),
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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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hdmi = cfg.hdmi.as_ref().map(|h| h.name.as_str()).unwrap_or("none"),
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"🎥 stream_camera output selected"
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);
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let (session_id, relay) = self.camera_rt.activate(&cfg).await?;
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let camera_rt = self.camera_rt.clone();
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info!(rpc_id, session_id, "🎥 stream_camera opened");
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// dummy outbound (same pattern as other streams)
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let (tx, rx) = tokio::sync::mpsc::channel(1);
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tokio::spawn(async move {
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let mut s = req.into_inner();
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while let Some(pkt) = s.next().await.transpose()? {
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if !camera_rt.is_active(session_id) {
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info!(rpc_id, session_id, "🎥 stream_camera session superseded");
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break;
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}
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relay.feed(pkt); // ← all logging inside video.rs
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}
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tx.send(Ok(Empty {})).await.ok();
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info!(rpc_id, session_id, "🎥 stream_camera closed");
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Ok::<(), Status>(())
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});
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Ok(Response::new(ReceiverStream::new(rx)))
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}
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async fn capture_video(
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&self,
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req: Request<MonitorRequest>,
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) -> Result<Response<Self::CaptureVideoStream>, Status> {
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self.capture_video_reply(req.into_inner()).await
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}
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async fn capture_audio(
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&self,
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req: Request<MonitorRequest>,
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) -> Result<Response<Self::CaptureAudioStream>, Status> {
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let rpc_id = runtime_support::next_stream_id();
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// Only one speaker stream for now; both 0/1 → same ALSA dev.
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let _id = req.into_inner().id;
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// Allow override (`LESAVKA_ALSA_DEV=hw:2,0` for debugging).
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let dev = std::env::var("LESAVKA_ALSA_DEV").unwrap_or_else(|_| "hw:UAC2Gadget,0".into());
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info!(rpc_id, %dev, "🔊 capture_audio opened");
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let s = runtime_support::open_ear_with_retry(&dev, 0)
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.await
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.map_err(|e| remote_audio_status(format!("{e:#}")))?;
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Ok(Response::new(Box::pin(s)))
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}
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async fn paste_text(&self, req: Request<PasteRequest>) -> Result<Response<PasteReply>, Status> {
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self.paste_text_reply(req).await
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}
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/*────────────── USB-reset RPC ────────────*/
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async fn reset_usb(&self, _req: Request<Empty>) -> Result<Response<ResetUsbReply>, Status> {
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self.reset_usb_reply().await
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}
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async fn get_capture_power(
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&self,
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_req: Request<Empty>,
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) -> Result<Response<CapturePowerState>, Status> {
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self.get_capture_power_reply().await
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}
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async fn set_capture_power(
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&self,
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req: Request<SetCapturePowerRequest>,
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) -> Result<Response<CapturePowerState>, Status> {
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self.set_capture_power_reply(req).await
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}
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}
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fn remote_audio_status(message: String) -> Status {
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if message.contains("remote USB gadget is not attached") {
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Status::unavailable(message)
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} else {
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Status::internal(message)
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}
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}
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