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WIP failed attempt at StreamMap-based implementation

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This commit is contained in:
Reinout Meliesie 2025-08-14 18:14:31 +02:00
commit 9ca5f4baa4
Signed by: zedfrigg
GPG key ID: 3AFCC06481308BC6
7 changed files with 148 additions and 296 deletions
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14
Cargo.lock generated
View file

@ -733,7 +733,7 @@ dependencies = [
"libc",
"option-ext",
"redox_users",
"windows-sys 0.59.0",
"windows-sys 0.60.2",
]
[[package]]
@ -1869,6 +1869,7 @@ dependencies = [
"sysinfo",
"system-tray",
"tokio",
"tokio-stream",
"tracing",
"tracing-appender",
"tracing-error",
@ -3524,6 +3525,17 @@ dependencies = [
"tokio",
]
[[package]]
name = "tokio-stream"
version = "0.1.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eca58d7bba4a75707817a2c44174253f9236b2d5fbd055602e9d5c07c139a047"
dependencies = [
"futures-core",
"pin-project-lite",
"tokio",
]
[[package]]
name = "tokio-util"
version = "0.7.13"

3
Cargo.toml
View file

@ -84,7 +84,7 @@ music = ["dep:regex"]
"music+mpris" = ["music", "mpris"]
"music+mpd" = ["music", "mpd-utils"]
network_manager = ["futures-lite", "futures-signals", "zbus"]
network_manager = ["futures-lite", "futures-signals", "tokio-stream", "zbus"]
notifications = ["zbus"]
@ -172,6 +172,7 @@ regex = { version = "1.11.1", default-features = false, features = [
# network_manager
futures-signals = { version = "0.3.34", optional = true }
tokio-stream = { version = "0.1.17", optional = true }
# sys_info
sysinfo = { version = "0.35.2", optional = true }

16
src/clients/networkmanager/dbus.rs
View file

@ -9,10 +9,10 @@ use zbus::zvariant::{ObjectPath, OwnedValue, Str};
)]
pub(super) trait Dbus {
#[zbus(property)]
fn active_connections(&self) -> Result<Vec<ObjectPath>>;
fn active_connections(&self) -> Result<Vec<ObjectPath<'_>>>;
#[zbus(property)]
fn devices(&self) -> Result<Vec<ObjectPath>>;
fn devices(&self) -> Result<Vec<ObjectPath<'_>>>;
// #[zbus(property)]
// fn networking_enabled(&self) -> Result<bool>;
@ -42,13 +42,13 @@ pub(super) trait ActiveConnectionDbus {
// fn default6(&self) -> Result<bool>;
#[zbus(property)]
fn devices(&self) -> Result<Vec<ObjectPath>>;
fn devices(&self) -> Result<Vec<ObjectPath<'_>>>;
// #[zbus(property)]
// fn id(&self) -> Result<Str>;
#[zbus(property)]
fn type_(&self) -> Result<Str>;
fn type_(&self) -> Result<Str<'_>>;
// #[zbus(property)]
// fn uuid(&self) -> Result<Str>;
@ -69,7 +69,7 @@ pub(super) trait DeviceDbus {
fn state(&self) -> Result<DeviceState>;
}
#[derive(Clone, Debug, OwnedValue, PartialEq)]
#[derive(Clone, Debug, Eq, Hash, OwnedValue, PartialEq)]
#[repr(u32)]
pub(super) enum DeviceType {
Unknown = 0,
@ -131,3 +131,9 @@ impl DeviceState {
)
}
}
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub(super) struct Device<'l> {
pub object_path: ObjectPath<'l>,
pub type_: DeviceType,
}

2
src/clients/networkmanager/event.rs Normal file
View file

@ -0,0 +1,2 @@
#[derive(Debug, Clone)]
pub enum Event {}

294
src/clients/networkmanager/mod.rs
View file

@ -1,226 +1,130 @@
use std::collections::HashMap;
use std::sync::{Arc, RwLock};
use color_eyre::Result;
use color_eyre::eyre::Error;
use futures_lite::StreamExt;
use futures_signals::signal::{Mutable, MutableSignalCloned};
use tracing::error;
use std::collections::HashSet;
use std::sync::Arc;
use std::time::Duration;
use tokio::join;
use tokio::sync::{RwLock, broadcast};
use tokio::time::sleep;
use tokio_stream::StreamMap;
use zbus::Connection;
use zbus::proxy::PropertyStream;
use zbus::zvariant::ObjectPath;
use crate::clients::networkmanager::dbus::{ActiveConnectionDbusProxy, DbusProxy, DeviceDbusProxy};
use crate::clients::networkmanager::state::{
CellularState, State, VpnState, WifiState, WiredState, determine_cellular_state,
determine_vpn_state, determine_wifi_state, determine_wired_state,
};
use crate::{
read_lock, register_fallible_client, spawn_blocking, spawn_blocking_result, write_lock,
};
use crate::clients::networkmanager::dbus::{DbusProxy, Device, DeviceDbusProxy, DeviceState};
use crate::clients::networkmanager::event::Event;
use crate::{register_fallible_client, spawn};
mod dbus;
pub mod state;
type PathMap<'l, ValueType> = HashMap<ObjectPath<'l>, ValueType>;
pub mod event;
#[derive(Debug)]
pub struct Client(Arc<ClientInner<'static>>);
#[derive(Debug)]
struct ClientInner<'l> {
state: Mutable<State>,
root_object: &'l DbusProxy<'l>,
active_connections: RwLock<PathMap<'l, ActiveConnectionDbusProxy<'l>>>,
devices: RwLock<PathMap<'l, DeviceDbusProxy<'l>>>,
dbus_connection: Connection,
pub struct Client {
tx: broadcast::Sender<Event>,
}
impl Client {
async fn new() -> Result<Client> {
let state = Mutable::new(State {
wired: WiredState::Unknown,
wifi: WifiState::Unknown,
cellular: CellularState::Unknown,
vpn: VpnState::Unknown,
});
let dbus_connection = Connection::system().await?;
let root_object = {
let root_object = DbusProxy::new(&dbus_connection).await?;
// Workaround for the fact that zbus (unnecessarily) requires a static lifetime here
Box::leak(Box::new(root_object))
};
Ok(Client(Arc::new(ClientInner {
state,
root_object,
active_connections: RwLock::new(HashMap::new()),
devices: RwLock::new(HashMap::new()),
dbus_connection,
})))
let (tx, _) = broadcast::channel(64);
Ok(Client { tx })
}
async fn run(&self) -> Result<()> {
// TODO: Reimplement DBus watching without these write-only macros
let dbus_connection = Connection::system().await?;
let root_object = DbusProxy::new(&dbus_connection).await?;
let mut active_connections_stream = self.0.root_object.receive_active_connections_changed().await;
while let Some(change) = active_connections_stream.next().await {
let device_state_changes =
RwLock::new(StreamMap::<Device, PropertyStream<DeviceState>>::new());
}
let _ = join!(
// Handles the addition and removal of device objects
async {
let mut devices_changes = root_object.receive_devices_changed().await;
while let Some(change) = devices_changes.next().await {
println!("here?");
// ActiveConnectionDbusProxy::builder(&self.0.dbus_connection)
let devices = HashSet::from_iter(
device_state_changes
.read()
.await
.keys()
.map(|device| &device.object_path)
.cloned(),
);
// macro_rules! update_state_for_device_change {
// ($client:ident) => {
// $client.state.set(State {
// wired: determine_wired_state(&read_lock!($client.devices)).await?,
// wifi: determine_wifi_state(&read_lock!($client.devices)).await?,
// cellular: determine_cellular_state(&read_lock!($client.devices)).await?,
// vpn: $client.state.get_cloned().vpn,
// });
// };
// }
//
// macro_rules! initialise_path_map {
// (
// $client:expr,
// $path_map:ident,
// $proxy_type:ident
// $(, |$new_path:ident| $property_watcher:expr)*
// ) => {
// let new_paths = $client.root_object.$path_map().await?;
// let mut path_map = HashMap::new();
// for new_path in new_paths {
// let new_proxy = $proxy_type::builder(&$client.dbus_connection)
// .path(new_path.clone())?
// .build().await?;
// path_map.insert(new_path.clone(), new_proxy);
// $({
// let $new_path = &new_path;
// $property_watcher;
// })*
// }
// *write_lock!($client.$path_map) = path_map;
// };
// }
//
// macro_rules! spawn_path_list_watcher {
// (
// $client:expr,
// $property:ident,
// $property_changes:ident,
// $proxy_type:ident,
// |$state_client:ident| $state_update:expr
// $(, |$property_client:ident, $new_path:ident| $property_watcher:expr)*
// ) => {
// let client = $client.clone();
//
// let changes = client.root_object.$property_changes();
// for _ in changes {
// let mut new_path_map = HashMap::new();
// {
// let new_paths = client.root_object.$property()?;
// let path_map = read_lock!(client.$property);
// for new_path in new_paths {
// if path_map.contains_key(&new_path) {
// let proxy = path_map
// .get(&new_path)
// .expect("Should contain the key, guarded by runtime check");
// new_path_map.insert(new_path, proxy.to_owned());
// } else {
// let new_proxy = $proxy_type::builder(&client.dbus_connection)
// .path(new_path.clone())?
// .build()?;
// new_path_map.insert(new_path.clone(), new_proxy);
// $({
// let $property_client = &client;
// let $new_path = &new_path;
// $property_watcher;
// })*
// }
// }
// }
// *write_lock!(client.$property) = new_path_map;
// let $state_client = &client;
// $state_update;
// }
// }
// }
//
// macro_rules! spawn_property_watcher {
// (
// $client:expr,
// $path:expr,
// $property_changes:ident,
// $containing_list:ident,
// |$inner_client:ident| $state_update:expr
// ) => {
// let client = $client.clone();
// let path = $path.clone();
//
// let changes = read_lock!(client.$containing_list)
// .get(&path)
// .expect("Should contain the key upon watcher start")
// .$property_changes().await;
// for _ in changes {
// if !read_lock!(client.$containing_list).contains_key(&path) {
// break;
// }
// let $inner_client = &client;
// $state_update;
// }
// };
// }
//
// initialise_path_map!(self.0, active_connections, ActiveConnectionDbusProxy);
// initialise_path_map!(self.0, devices, DeviceDbusProxy, |path| {
// spawn_property_watcher!(self.0, path, receive_state_changed, devices, |client| {
// update_state_for_device_change!(client);
// });
// });
// self.0.state.set(State {
// wired: determine_wired_state(&read_lock!(self.0.devices))?,
// wifi: determine_wifi_state(&read_lock!(self.0.devices))?,
// cellular: determine_cellular_state(&read_lock!(self.0.devices))?,
// vpn: determine_vpn_state(&read_lock!(self.0.active_connections))?,
// });
//
// spawn_path_list_watcher!(
// self.0,
// active_connections,
// receive_active_connections_changed,
// ActiveConnectionDbusProxy,
// |client| {
// client.state.set(State {
// wired: client.state.get_cloned().wired,
// wifi: client.state.get_cloned().wifi,
// cellular: client.state.get_cloned().cellular,
// vpn: determine_vpn_state(&read_lock!(client.active_connections))?,
// });
// }
// );
// spawn_path_list_watcher!(
// self.0,
// devices,
// receive_devices_changed,
// DeviceDbusProxy,
// |client| {
// update_state_for_device_change!(client);
// },
// |client, path| {
// spawn_property_watcher!(client, path, receive_state_changed, devices, |client| {
// update_state_for_device_change!(client);
// });
// }
// );
// The new list of devices from dbus, not to be confused with the added devices below
let new_devices_vec = change.get().await?;
let new_devices = HashSet::<ObjectPath>::from_iter(new_devices_vec);
println!("Existing devices: {:?}", devices);
println!("New devices: {:?}", new_devices);
let added_devices = new_devices.difference(&devices);
println!("Added devices: {:?}", added_devices);
for added_device in added_devices {
let device_proxy =
DeviceDbusProxy::new(&dbus_connection, added_device).await?;
let device_type = device_proxy.device_type().await?;
let device_state_stream = device_proxy.receive_state_changed().await;
device_state_changes.write().await.insert(
Device {
object_path: added_device.clone(),
type_: device_type.clone(), // TODO: Remove clone when removing println below
},
device_state_stream,
);
println!("Device added: {} type {:?}", added_device, device_type);
}
let removed_devices = devices.difference(&new_devices);
println!("Removed devices: {:?}", removed_devices);
for removed_device in removed_devices {
let device_proxy =
DeviceDbusProxy::new(&dbus_connection, removed_device).await?;
let device_type = device_proxy.device_type().await?;
device_state_changes.write().await.remove(&Device {
object_path: removed_device.clone(),
type_: device_type.clone(), // TODO: Remove clone when removing println below
});
println!("Device removed: {} type {:?}", removed_device, device_type);
}
}
Ok::<(), Error>(())
},
// Handles changes to device properties
async {
sleep(Duration::from_secs(5)).await;
/*
Okay so this causes a deadlock, and we should rewrite all of this with spawn() anyway cause join!() is not multithreaded apparently.
In order to not leak memory we could have closures for objects that don't exist anymore check this manually and return.
*/
while let Some((device, property)) = device_state_changes.write().await.next().await
{
let property = property.get().await?;
println!(
"Device state changed: {} to {:?}",
device.object_path, property
);
}
println!("Prop loop ended");
Ok::<(), Error>(())
},
);
Ok(())
}
pub fn subscribe(&self) -> MutableSignalCloned<State> {
self.0.state.signal_cloned()
pub fn subscribe(&self) -> broadcast::Receiver<Event> {
self.tx.subscribe()
}
}
pub async fn create_client() -> Result<Arc<Client>> {
// TODO: Use spawn here after all, otherwise we block on creation
let client = Arc::new(Client::new().await?);
client.run().await?;
Ok(client)

8
src/clients/networkmanager/state.rs
View file

@ -1,9 +1,11 @@
use color_eyre::Result;
use crate::clients::networkmanager::PathMap;
use crate::clients::networkmanager::dbus::{
ActiveConnectionDbusProxy, DeviceDbusProxy, DeviceState, DeviceType,
};
use color_eyre::Result;
use std::collections::HashMap;
use zbus::zvariant::ObjectPath;
type PathMap<'l, ValueType> = HashMap<ObjectPath<'l>, ValueType>;
#[derive(Clone, Debug)]
pub struct State {

107
src/modules/networkmanager.rs
View file

@ -1,6 +1,5 @@
use color_eyre::Result;
use futures_lite::StreamExt;
use futures_signals::signal::SignalExt;
use gtk::prelude::{ContainerExt, WidgetExt};
use gtk::{Box as GtkBox, Image, Orientation};
use serde::Deserialize;
@ -8,9 +7,7 @@ use tokio::sync::mpsc::Receiver;
use crate::channels::{AsyncSenderExt, BroadcastReceiverExt};
use crate::clients::networkmanager::Client;
use crate::clients::networkmanager::state::{
CellularState, State, VpnState, WifiState, WiredState,
};
use crate::clients::networkmanager::event::Event;
use crate::config::CommonConfig;
use crate::gtk_helpers::IronbarGtkExt;
use crate::modules::{Module, ModuleInfo, ModuleParts, ModuleUpdateEvent, WidgetContext};
@ -31,7 +28,7 @@ const fn default_icon_size() -> i32 {
}
impl Module<GtkBox> for NetworkManagerModule {
type SendMessage = State;
type SendMessage = Event;
type ReceiveMessage = ();
module_impl!("network_manager");
@ -39,27 +36,27 @@ impl Module<GtkBox> for NetworkManagerModule {
fn spawn_controller(
&self,
_info: &ModuleInfo,
context: &WidgetContext<State, ()>,
context: &WidgetContext<Event, ()>,
_rx: Receiver<()>,
) -> Result<()> {
let client = context.try_client::<Client>()?;
let mut client_signal = client.subscribe().to_stream();
let widget_transmitter = context.tx.clone();
// let mut client_signal = client.subscribe().to_stream();
// let widget_transmitter = context.tx.clone();
spawn(async move {
while let Some(state) = client_signal.next().await {
widget_transmitter
.send_expect(ModuleUpdateEvent::Update(state))
.await;
}
});
// spawn(async move {
// while let Some(state) = client_signal.next().await {
// widget_transmitter
// .send_expect(ModuleUpdateEvent::Update(state))
// .await;
// }
// });
Ok(())
}
fn into_widget(
self,
context: WidgetContext<State, ()>,
context: WidgetContext<Event, ()>,
_info: &ModuleInfo,
) -> Result<ModuleParts<GtkBox>> {
let container = GtkBox::new(Orientation::Horizontal, 0);
@ -88,81 +85,9 @@ impl Module<GtkBox> for NetworkManagerModule {
vpn_icon.add_class("vpn-icon");
container.add(&vpn_icon);
context.subscribe().recv_glib_async((), move |(), state| {
// TODO: Make this whole section less boneheaded
let wired_icon_name = match state.wired {
WiredState::Connected => "icon:network-wired-symbolic",
WiredState::Disconnected => "icon:network-wired-disconnected-symbolic",
WiredState::NotPresent | WiredState::Unknown => "",
};
let wifi_icon_name = match state.wifi {
WifiState::Connected(_) => "icon:network-wireless-connected-symbolic",
WifiState::Disconnected => "icon:network-wireless-offline-symbolic",
WifiState::Disabled => "icon:network-wireless-hardware-disabled-symbolic",
WifiState::NotPresent | WifiState::Unknown => "",
};
let cellular_icon_name = match state.cellular {
CellularState::Connected => "icon:network-cellular-connected-symbolic",
CellularState::Disconnected => "icon:network-cellular-offline-symbolic",
CellularState::Disabled => "icon:network-cellular-hardware-disabled-symbolic",
CellularState::NotPresent | CellularState::Unknown => "",
};
let vpn_icon_name = match state.vpn {
VpnState::Connected(_) => "icon:network-vpn-symbolic",
VpnState::Disconnected | VpnState::Unknown => "",
};
let wired_icon = wired_icon.clone();
let wifi_icon = wifi_icon.clone();
let cellular_icon = cellular_icon.clone();
let vpn_icon = vpn_icon.clone();
let image_provider = context.ironbar.image_provider();
async move {
if wired_icon_name.is_empty() {
wired_icon.hide();
} else {
image_provider
.load_into_image_silent(wired_icon_name, self.icon_size, false, &wired_icon)
.await;
wired_icon.show();
}
if wifi_icon_name.is_empty() {
wifi_icon.hide();
} else {
image_provider
.load_into_image_silent(wifi_icon_name, self.icon_size, false, &wifi_icon)
.await;
wifi_icon.show();
}
if cellular_icon_name.is_empty() {
cellular_icon.hide();
} else {
image_provider
.load_into_image_silent(
cellular_icon_name,
self.icon_size,
false,
&cellular_icon,
)
.await;
cellular_icon.show();
}
if vpn_icon_name.is_empty() {
vpn_icon.hide();
} else {
image_provider
.load_into_image_silent(vpn_icon_name, self.icon_size, false, &vpn_icon)
.await;
vpn_icon.show();
}
}
});
context
.subscribe()
.recv_glib_async((), move |(), event| async {});
Ok(ModuleParts::new(container, None))
}