wayle-network 0.1.2

WiFi and wired network management
Documentation
use std::sync::{Arc, Weak};

use futures::StreamExt;
use tokio_util::sync::CancellationToken;
use tracing::debug;
use wayle_traits::ModelMonitoring;

use super::ActiveConnection;
use crate::{
    error::Error,
    proxy::active_connection::ConnectionActiveProxy,
    types::{flags::NMActivationStateFlags, states::NMActiveConnectionState},
};

impl ModelMonitoring for ActiveConnection {
    type Error = Error;

    async fn start_monitoring(self: Arc<Self>) -> Result<(), Self::Error> {
        let proxy = ConnectionActiveProxy::new(&self.zbus_connection, self.object_path.clone())
            .await
            .map_err(Error::DbusError)?;

        let Some(ref cancellation_token) = self.cancellation_token else {
            return Err(Error::MissingCancellationToken);
        };

        let cancel_token = cancellation_token.clone();
        let weak_self = Arc::downgrade(&self);

        tokio::spawn(async move {
            monitor(weak_self, proxy, cancel_token).await;
        });

        Ok(())
    }
}

#[allow(clippy::cognitive_complexity)]
#[allow(clippy::too_many_lines)]
async fn monitor(
    weak_active_connection: Weak<ActiveConnection>,
    proxy: ConnectionActiveProxy<'static>,
    cancellation_token: CancellationToken,
) {
    let mut connection_changes = proxy.receive_connection_changed().await;
    let mut specific_object_changes = proxy.receive_specific_object_changed().await;
    let mut id_changes = proxy.receive_id_changed().await;
    let mut uuid_changed = proxy.receive_uuid_changed().await;
    let mut type_changed = proxy.receive_type__changed().await;
    let mut devices_changed = proxy.receive_devices_changed().await;
    let mut state_changed = proxy.receive_state_changed().await;
    let mut state_flags_changed = proxy.receive_state_flags_changed().await;
    let mut default_changed = proxy.receive_default_changed().await;
    let mut ip4_config_changed = proxy.receive_ip4_config_changed().await;
    let mut dhcp4_config_changed = proxy.receive_dhcp4_config_changed().await;
    let mut default6_changed = proxy.receive_default6_changed().await;
    let mut ip6_config_changed = proxy.receive_ip6_config_changed().await;
    let mut dhcp6_config_changed = proxy.receive_dhcp6_config_changed().await;
    let mut vpn_changed = proxy.receive_vpn_changed().await;
    let mut controller_changed = proxy.receive_controller_changed().await;

    loop {
        let Some(active_connection) = weak_active_connection.upgrade() else {
            return;
        };

        tokio::select! {
            _ = cancellation_token.cancelled() => {
                debug!("ActiveConnection monitoring cancelled for {}", active_connection.object_path);
                return;
            }
            Some(change) = connection_changes.next() => {
                if let Ok(new_connection) = change.get().await {
                    active_connection.connection_path.set(new_connection);
                }
            }
            Some(change) = specific_object_changes.next() => {
                if let Ok(new_specific_object) = change.get().await {
                    active_connection.specific_object.set(new_specific_object);
                }
            }
            Some(change) = id_changes.next() => {
                if let Ok(new_id) = change.get().await {
                    active_connection.id.set(new_id);
                }
            }
            Some(change) = uuid_changed.next() => {
                if let Ok(new_uuid) = change.get().await {
                    active_connection.uuid.set(new_uuid);
                }
            }
            Some(change) = type_changed.next() => {
                if let Ok(new_type) = change.get().await {
                    active_connection.type_.set(new_type);
                }
            }
            Some(change) = devices_changed.next() => {
                if let Ok(new_devices) = change.get().await {
                    active_connection.devices.set(new_devices);
                }
            }
            Some(change) = state_changed.next() => {
                if let Ok(new_state) = change.get().await {
                    let state = NMActiveConnectionState::from_u32(new_state);
                    active_connection.state.set(state);
                }
            }
            Some(change) = state_flags_changed.next() => {
                if let Ok(new_flags) = change.get().await {
                    let flags = NMActivationStateFlags::from_bits_truncate(new_flags);
                    active_connection.state_flags.set(flags);
                }
            }
            Some(change) = default_changed.next() => {
                if let Ok(new_default) = change.get().await {
                    active_connection.default.set(new_default);
                }
            }
            Some(change) = ip4_config_changed.next() => {
                if let Ok(new_ip4_config) = change.get().await {
                    active_connection.ip4_config.set(new_ip4_config);
                }
            }
            Some(change) = dhcp4_config_changed.next() => {
                if let Ok(new_dhcp4_config) = change.get().await {
                    active_connection.dhcp4_config.set(new_dhcp4_config);
                }
            }
            Some(change) = default6_changed.next() => {
                if let Ok(new_default6) = change.get().await {
                    active_connection.default6.set(new_default6);
                }
            }
            Some(change) = ip6_config_changed.next() => {
                if let Ok(new_ip6_config) = change.get().await {
                    active_connection.ip6_config.set(new_ip6_config);
                }
            }
            Some(change) = dhcp6_config_changed.next() => {
                if let Ok(new_dhcp6_config) = change.get().await {
                    active_connection.dhcp6_config.set(new_dhcp6_config);
                }
            }
            Some(change) = vpn_changed.next() => {
                if let Ok(new_vpn) = change.get().await {
                    active_connection.vpn.set(new_vpn);
                }
            }
            Some(change) = controller_changed.next() => {
                if let Ok(new_controller) = change.get().await {
                    active_connection.controller.set(new_controller);
                }
            }
            else => {
                debug!("All property streams ended for active connection");
                break;
            }
        }
    }

    debug!("Property monitoring ended for active connection");
}