67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
// Copyright 2024 System76 <info@system76.com>
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// SPDX-License-Identifier: MPL-2.0
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use super::Event;
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use cosmic_dbus_networkmanager::nm::NetworkManager;
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use futures::{SinkExt, StreamExt};
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use iced_futures::{Subscription, stream};
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use std::{fmt::Debug, hash::Hash};
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use zbus::Connection;
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#[derive(Debug, Clone)]
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pub enum State {
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Continue(Connection),
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Error,
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}
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pub fn active_conns_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
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id: I,
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conn: Connection,
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) -> iced_futures::Subscription<Event> {
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Subscription::run_with_id(
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id,
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stream::channel(50, move |output| async move {
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watch(conn, output).await;
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futures::future::pending().await
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}),
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)
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}
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pub async fn watch(conn: zbus::Connection, mut output: futures::channel::mpsc::Sender<Event>) {
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let mut state = State::Continue(conn);
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loop {
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state = start_listening(state, &mut output).await;
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}
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}
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async fn start_listening(
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state: State,
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output: &mut futures::channel::mpsc::Sender<Event>,
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) -> State {
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let conn = match state {
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State::Continue(conn) => conn,
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State::Error => futures::future::pending().await,
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};
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let network_manager = match NetworkManager::new(&conn).await {
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Ok(n) => n,
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Err(why) => {
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tracing::error!(why = why.to_string(), "Failed to connect to NetworkManager");
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return State::Error;
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}
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};
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let mut active_conns_changed = network_manager.receive_active_connections_changed().await;
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active_conns_changed.next().await;
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while let (Some(_change), _) = futures::future::join(
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active_conns_changed.next(),
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tokio::time::sleep(tokio::time::Duration::from_secs(1)),
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)
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.await
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{
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_ = output.send(Event::ActiveConns).await;
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}
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State::Continue(conn)
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}
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