fcb_looper/src/connection_manager.rs
2025-06-07 15:14:52 +02:00

85 lines
2.8 KiB
Rust

use crate::*;
use tokio::sync::{broadcast, watch};
pub struct ConnectionManager {
state_rx: watch::Receiver<State>,
notification_rx: broadcast::Receiver<JackNotification>,
jack_client: jack::Client,
jack_client_name: String,
}
impl ConnectionManager {
pub fn new(
state_rx: watch::Receiver<State>,
notification_rx: broadcast::Receiver<JackNotification>,
jack_client_name: String,
) -> Result<Self> {
let (jack_client, _status) = jack::Client::new(
&format!("{}_connector", jack_client_name),
jack::ClientOptions::NO_START_SERVER,
)
.map_err(|_| LooperError::JackConnection(std::panic::Location::caller()))?;
Ok(Self {
state_rx,
notification_rx,
jack_client,
jack_client_name,
})
}
pub async fn run(&mut self) -> Result<()> {
self.restore_connections().await;
while let Ok(notification) = self.notification_rx.recv().await {
if let JackNotification::PortRegistered { .. } = notification {
self.restore_connections().await;
}
}
Ok(())
}
async fn restore_connections(&self) {
let state = self.state_rx.borrow();
for external_port in &state.connections.midi_in {
let our_port = format!("{}:midi_in", self.jack_client_name);
let result = self
.jack_client
.connect_ports_by_name(external_port, &our_port);
if let Ok(_) = result {
log::info!("Connected {} -> {}", external_port, our_port);
}
}
for external_port in &state.connections.audio_in {
let our_port = format!("{}:audio_in", self.jack_client_name);
let result = self
.jack_client
.connect_ports_by_name(external_port, &our_port);
if let Ok(_) = result {
log::info!("Connected {} -> {}", external_port, our_port);
}
}
for external_port in &state.connections.audio_out {
let our_port = format!("{}:audio_out", self.jack_client_name);
let result = self
.jack_client
.connect_ports_by_name(&our_port, external_port);
if let Ok(_) = result {
log::info!("Connected {} -> {}", our_port, external_port);
}
}
for external_port in &state.connections.click_track_out {
let our_port = format!("{}:click_track", self.jack_client_name);
let result = self
.jack_client
.connect_ports_by_name(&our_port, external_port);
if let Ok(_) = result {
log::info!("Connected {} -> {}", our_port, external_port);
}
}
}
}