lesavka/client/src/app.rs

53 lines
1.8 KiB
Rust

use anyhow::{Context, Result};
use navka_common::navka::{relay_client::RelayClient, HidReport};
use tokio::sync::mpsc;
use tokio_stream::wrappers::ReceiverStream;
use tonic::Request;
use crate::input::keyboard::KeyboardAggregator;
pub struct NavkaClientApp {
server_addr: String,
}
impl NavkaClientApp {
pub fn new() -> Result<Self> {
let addr = std::env::args()
.nth(1)
.or_else(|| std::env::var("NAVKA_SERVER_ADDR").ok())
.unwrap_or_else(|| "http://127.0.0.1:50051".to_owned());
Ok(Self { server_addr: addr })
}
pub async fn run(&mut self) -> Result<()> {
// 1) Connect to navka-server
let mut client = RelayClient::connect(self.server_addr.clone())
.await
.with_context(|| format!("failed to connect to {}", self.server_addr))?;
// 2) Create a bidirectional streaming stub
let (tx, rx) = mpsc::channel::<HidReport>(32);
let outbound = ReceiverStream::new(rx);
let response = client.stream(Request::new(outbound)).await?;
let mut inbound = response.into_inner();
// 3) Start reading from all keyboards in a background task
let mut aggregator = KeyboardAggregator::new(tx.clone());
aggregator.init_devices()?; // discover & grab
let input_task = tokio::spawn(async move {
if let Err(e) = aggregator.run().await {
tracing::error!("KeyboardAggregator failed: {e}");
}
});
// 4) Inbound loop: we do something with reports from the server, e.g. logging:
while let Some(report) = inbound.message().await? {
tracing::info!(?report.data, "echo from server");
}
// 5) If inbound stream ends, stop the input task
input_task.abort();
Ok(())
}
}