Files
ProjectNautilus/ground/src/lib.rs

108 lines
3.4 KiB
Rust

#![warn(clippy::all, clippy::pedantic)]
use nautilus_common::udp::tokio::AsyncUdpSocketExt;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
mod command;
mod telemetry;
use crate::command::CommandHandler;
use crate::telemetry::TelemetryHandler;
use anyhow::{Result, anyhow, bail};
use api::client::Client;
use futures::executor::block_on;
use futures::future::{Either, select};
use log::{info, warn};
use nautilus_common::add_ctrlc_handler_cancel;
use std::sync::Arc;
use std::thread::{Builder, scope};
use tokio::net::UdpSocket;
use tokio::pin;
use tokio::sync::RwLock;
use tokio_util::sync::CancellationToken;
/// Run the Ground Software
///
/// # Errors
/// If any unhandled error occurred in the Ground Software
pub fn run() -> Result<()> {
info!(
"Project Nautilus Ground Software {}",
env!("CARGO_PKG_VERSION")
);
let udp_shutdown = CancellationToken::new();
let cancel = udp_shutdown.child_token();
add_ctrlc_handler_cancel(cancel.clone())?;
let (udp_thread, udp) = {
let udp_shutdown = udp_shutdown.clone();
let (udp_tx, udp) = tokio::sync::oneshot::channel();
let udp_thread = Builder::new()
.name("flight-udp-connection-handler".to_string())
.spawn(move || {
let runtime = tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()?;
runtime.block_on(async {
let udp = UdpSocket::bind("0.0.0.0:14000").await?;
udp_tx
.send(udp)
.map_err(|_| anyhow!("Couldn't complete UDP establish"))?;
Ok(()) as Result<()>
})?;
runtime.block_on(udp_shutdown.cancelled());
Ok(()) as Result<()>
})?;
let f1 = cancel.cancelled();
pin!(f1);
let udp = block_on(async {
let f2 = udp;
select(f1, f2).await
});
let udp = match udp {
Either::Left(_) => bail!("Cancelled Before UDP established"),
Either::Right(x) => x.0?,
};
(udp_thread, udp)
};
let flight_addr = RwLock::new(SocketAddr::new(IpAddr::V4(Ipv4Addr::UNSPECIFIED), 0));
let lock = flight_addr.blocking_write();
scope(|scope| {
let client = Arc::new(Client::connect("ws://localhost:8080/backend")?);
let tlm = TelemetryHandler::new(client.clone(), &flight_addr, lock, &udp, cancel.clone());
let cmd = CommandHandler::new(client, &flight_addr, &udp, cancel.clone());
let tlm_thread = Builder::new()
.name("telemetry-handler".to_string())
.spawn_scoped(scope, move || tlm.run())?; // move to take ownership (drop when exited)
let cmd_thread = Builder::new()
.name("command-handler".to_string())
.spawn_scoped(scope, move || cmd.run())?;
// Force the thread panics into anyhow errors
tlm_thread.join().map_err(|e| anyhow!("{e:?}"))??;
cmd_thread.join().map_err(|e| anyhow!("{e:?}"))??;
Ok(()) as Result<()>
})?;
info!("Sending Shutdown Command");
if let Ok(flight_addr) = flight_addr.try_read() {
block_on(async { udp.send_command("/shutdown", &(), *flight_addr).await })?;
}
udp_shutdown.cancel();
udp_thread.join().map_err(|e| anyhow!("{e:?}"))??;
Ok(())
}