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Code Issues 17 Packages Projects Releases Wiki Activity

Replace blocking zbus to async

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This commit is contained in:
Demmie 2023-07-02 21:45:13 -04:00
parent 51deffabc4
commit 589d5e0cd6
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GPG Key ID: B06DAA3D432C6E9A
4 changed files with 63 additions and 38 deletions
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12
watchers/src/watchers/gnome_idle.rs
View File

@ -3,15 +3,16 @@ use crate::report_client::ReportClient;
use anyhow::Context;
use async_trait::async_trait;
use std::sync::Arc;
use zbus::blocking::Connection;
use zbus::Connection;
pub struct IdleWatcher {
dbus_connection: Connection,
is_idle: bool,
}
#[async_trait]
impl idle::SinceLastInput for IdleWatcher {
fn seconds_since_input(&mut self) -> anyhow::Result<u32> {
async fn seconds_since_input(&mut self) -> anyhow::Result<u32> {
let ms = self
.dbus_connection
.call_method(
@ -20,7 +21,8 @@ impl idle::SinceLastInput for IdleWatcher {
Some("org.gnome.Mutter.IdleMonitor"),
"GetIdletime",
&(),
)?
)
.await?
.body::<u64>()?;
u32::try_from(ms / 1000).with_context(|| format!("Number {ms} is invalid"))
}
@ -30,10 +32,10 @@ impl idle::SinceLastInput for IdleWatcher {
impl Watcher for IdleWatcher {
async fn new(_: &Arc<ReportClient>) -> anyhow::Result<Self> {
let mut watcher = Self {
dbus_connection: Connection::session()?,
dbus_connection: Connection::session().await?,
is_idle: false,
};
idle::SinceLastInput::seconds_since_input(&mut watcher)?;
idle::SinceLastInput::seconds_since_input(&mut watcher).await?;
Ok(watcher)
}

6
watchers/src/watchers/idle.rs
View File

@ -1,9 +1,11 @@
use crate::report_client::ReportClient;
use async_trait::async_trait;
use chrono::{Duration, Utc};
use std::sync::Arc;
#[async_trait]
pub trait SinceLastInput {
fn seconds_since_input(&mut self) -> anyhow::Result<u32>;
async fn seconds_since_input(&mut self) -> anyhow::Result<u32>;
}
pub async fn ping_since_last_input(
@ -16,7 +18,7 @@ pub async fn ping_since_last_input(
let duration_1ms: Duration = Duration::milliseconds(1);
let duration_zero: Duration = Duration::zero();
let seconds_since_input = watcher.seconds_since_input()?;
let seconds_since_input = watcher.seconds_since_input().await?;
let now = Utc::now();
let time_since_input = Duration::seconds(i64::from(seconds_since_input));
let last_input = now - time_since_input;

80
watchers/src/watchers/kwin_window.rs
View File

@ -12,8 +12,8 @@ use std::path::Path;
use std::sync::{mpsc::channel, Arc};
use std::thread;
use tokio::sync::Mutex;
use zbus::blocking::{Connection, ConnectionBuilder};
use zbus::dbus_interface;
use zbus::{Connection, ConnectionBuilder};
const KWIN_SCRIPT_NAME: &str = "activity_watcher";
const KWIN_SCRIPT: &str = include_str!("kwin_window.js");
@ -31,20 +31,19 @@ impl KWinScript {
}
}
fn load(&mut self) -> anyhow::Result<()> {
async fn load(&mut self) -> anyhow::Result<()> {
let path = temp_dir().join("kwin_window.js");
std::fs::write(&path, KWIN_SCRIPT).unwrap();
let result = self
.get_registered_number(&path)
.and_then(|number| self.start(number));
let number = self.get_registered_number(&path).await?;
let result = self.start(number).await;
std::fs::remove_file(&path)?;
self.is_loaded = true;
result
}
fn is_loaded(&self) -> anyhow::Result<bool> {
async fn is_loaded(&self) -> anyhow::Result<bool> {
self.dbus_connection
.call_method(
Some("org.kde.KWin"),
@ -52,12 +51,13 @@ impl KWinScript {
Some("org.kde.kwin.Scripting"),
"isScriptLoaded",
&KWIN_SCRIPT_NAME,
)?
)
.await?
.body::<bool>()
.map_err(std::convert::Into::into)
}
fn get_registered_number(&self, path: &Path) -> anyhow::Result<i32> {
async fn get_registered_number(&self, path: &Path) -> anyhow::Result<i32> {
let temp_path = path
.to_str()
.ok_or(anyhow!("Temporary file path is not valid"))?;
@ -70,12 +70,13 @@ impl KWinScript {
"loadScript",
// since OsStr does not implement zvariant::Type, the temp-path must be valid utf-8
&(temp_path, KWIN_SCRIPT_NAME),
)?
)
.await?
.body::<i32>()
.map_err(std::convert::Into::into)
}
fn unload(&self) -> anyhow::Result<bool> {
async fn unload(&self) -> anyhow::Result<bool> {
self.dbus_connection
.call_method(
Some("org.kde.KWin"),
@ -83,12 +84,13 @@ impl KWinScript {
Some("org.kde.kwin.Scripting"),
"unloadScript",
&KWIN_SCRIPT_NAME,
)?
)
.await?
.body::<bool>()
.map_err(std::convert::Into::into)
}
fn start(&self, script_number: i32) -> anyhow::Result<()> {
async fn start(&self, script_number: i32) -> anyhow::Result<()> {
debug!("Starting KWin script {script_number}");
self.dbus_connection
.call_method(
@ -98,6 +100,7 @@ impl KWinScript {
"run",
&(),
)
.await
.with_context(|| "Error on starting the script")?;
Ok(())
}
@ -106,10 +109,16 @@ impl KWinScript {
impl Drop for KWinScript {
fn drop(&mut self) {
if self.is_loaded {
debug!("Unloading KWin script");
if let Err(e) = self.unload() {
error!("Problem during stopping KWin script: {e}");
};
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
debug!("Unloading KWin script");
if let Err(e) = self.unload().await {
error!("Problem during stopping KWin script: {e}");
};
});
}
}
}
@ -161,12 +170,12 @@ pub struct WindowWatcher {
#[async_trait]
impl Watcher for WindowWatcher {
async fn new(_: &Arc<ReportClient>) -> anyhow::Result<Self> {
let mut kwin_script = KWinScript::new(Connection::session()?);
if kwin_script.is_loaded()? {
let mut kwin_script = KWinScript::new(Connection::session().await?);
if kwin_script.is_loaded().await? {
debug!("KWin script is already loaded, unloading");
kwin_script.unload()?;
kwin_script.unload().await?;
}
kwin_script.load().unwrap();
kwin_script.load().await.unwrap();
let active_window = Arc::new(Mutex::new(ActiveWindow {
caption: String::new(),
@ -179,21 +188,32 @@ impl Watcher for WindowWatcher {
let (tx, rx) = channel();
thread::spawn(move || {
let result = (|| {
async fn get_connection(
active_window_interface: ActiveWindowInterface,
) -> zbus::Result<Connection> {
ConnectionBuilder::session()?
.name("com._2e3s.Awatcher")?
.serve_at("/com/_2e3s/Awatcher", active_window_interface)?
.build()
})();
match result {
Ok(connection) => {
tx.send(None).unwrap();
loop {
connection.monitor_activity().wait();
}
}
Err(e) => tx.send(Some(e)),
.await
}
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async move {
match get_connection(active_window_interface).await {
Ok(connection) => {
tx.send(None).unwrap();
loop {
connection.monitor_activity().wait();
}
}
Err(e) => tx.send(Some(e)),
}
})
.unwrap();
});
if let Some(error) = rx.recv().unwrap() {
panic!("Failed to run a DBus interface: {error}");

3
watchers/src/watchers/x11_screensaver_idle.rs
View File

@ -9,8 +9,9 @@ pub struct IdleWatcher {
is_idle: bool,
}
#[async_trait]
impl idle::SinceLastInput for IdleWatcher {
fn seconds_since_input(&mut self) -> anyhow::Result<u32> {
async fn seconds_since_input(&mut self) -> anyhow::Result<u32> {
self.client.seconds_since_last_input()
}
}