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use std::{
error::Error,
sync::{atomic::Ordering, Arc},
};
use atomic_float::AtomicF32;
use lazy_static::lazy_static;
use lightstreamer_client::{
ls_client::{LightstreamerClient, LogType, Transport},
subscription::{Snapshot, Subscription, SubscriptionMode},
subscription_listener::SubscriptionListener,
};
use tokio::sync::Notify;
use tracing::info;
use zbus::interface;
lazy_static! {
static ref PISS_PERCENTAGE: AtomicF32 = AtomicF32::new(0.0);
}
#[derive(Debug)]
struct PissSubscriberListener;
impl SubscriptionListener for PissSubscriberListener {
fn on_item_update(&self, update: &lightstreamer_client::item_update::ItemUpdate) {
if let Some(value) = update.get_value("Value") {
info!("Piss tank at {value}%");
PISS_PERCENTAGE.store(value.parse::<f32>().unwrap(), Ordering::Relaxed);
}
}
}
struct PissdInterface;
#[interface(name = "dev.exvacuum.pissd")]
impl PissdInterface {
fn get_piss_percentage(&self) -> f32 {
PISS_PERCENTAGE.load(Ordering::Relaxed)
}
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
tracing_subscriber::fmt::init();
let mut ls = match LightstreamerClient::new(
Some("http://push.lightstreamer.com/lightstreamer"),
Some("ISSLIVE"),
None,
None,
) {
Ok(ls) => ls,
Err(e) => panic!("Could not establish ISS telemetry connection: {e:?}"),
};
ls.set_logging_type(LogType::TracingLogs);
ls.connection_options.set_slowing_enabled(false);
ls.connection_options
.set_forced_transport(Some(Transport::WsStreaming));
let mut subscription = Subscription::new(
SubscriptionMode::Merge,
Some(vec!["NODE3000005".into()]),
Some(vec!["TimeStamp".into(), "Value".into()]),
)
.unwrap();
subscription
.set_requested_snapshot(Some(Snapshot::Yes))
.unwrap();
subscription.add_listener(Box::new(PissSubscriberListener));
let shutdown = Arc::new(Notify::new());
ls.subscribe(subscription);
let pissd_interface = PissdInterface;
let connection = zbus::connection::Builder::session()?
.name("dev.exvacuum.pissd")?
.serve_at("/dev/exvacuum/pissd", pissd_interface)?
.build()
.await?;
ls.connect(shutdown.clone()).await?;
Ok(())
}
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