2023-01-09 21:39:11 +01:00
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#![doc = include_str!("../README.md")]
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#![warn(
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clippy::all,
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missing_copy_implementations,
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2023-01-09 21:39:11 +01:00
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missing_debug_implementations,
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rust_2018_idioms,
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2023-01-09 21:40:04 +01:00
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rustdoc::broken_intra_doc_links,
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trivial_numeric_casts,
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renamed_and_removed_lints,
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unsafe_code,
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unstable_features,
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unused_import_braces,
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unused_qualifications
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2023-01-09 21:39:11 +01:00
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)]
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#![deny(missing_docs)]
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mod services;
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mod update;
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use std::sync::Mutex;
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use once_cell::sync::Lazy;
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use rocket::fairing::AdHoc;
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use rocket::serde::json::Json;
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use rocket::{get, routes, Build, Rocket};
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use serde::{Deserialize, Serialize};
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use self::update::update_loop;
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/// The global, concurrently accessible current status.
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static STATUS: Lazy<Mutex<Option<Status>>> = Lazy::new(|| Mutex::new(None));
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/// The configuration loaded additionally by Rocket.
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#[derive(Debug, Deserialize)]
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struct Config {
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/// The service-specific configuration
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service: services::Config,
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}
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/// The current photovoltaic invertor status.
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#[derive(Clone, Copy, Debug, Serialize)]
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struct Status {
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/// Current power production (W)
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current_w: f32,
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/// Total energy produced since installation (kWh)
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total_kwh: f32,
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/// Timestamp of last update
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last_updated: u64,
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}
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/// Returns the current (last known) status.
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#[get("/", format = "application/json")]
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async fn status() -> Option<Json<Status>> {
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let status_guard = STATUS.lock().expect("Status mutex was poisoined");
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status_guard.map(Json)
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}
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/// Creates a Rocket and attaches the config parsing and update loop as fairings.
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pub fn setup() -> Rocket<Build> {
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rocket::build()
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.mount("/", routes![status])
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.attach(AdHoc::config::<Config>())
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.attach(AdHoc::on_liftoff("Updater", |rocket| {
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Box::pin(async move {
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let config = rocket
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.figment()
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.extract::<Config>()
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.expect("Invalid configuration");
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let service = services::get(config.service).expect("Invalid service");
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// We don't care about the join handle nor error results?t
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let _ = rocket::tokio::spawn(update_loop(service));
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})
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}))
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}
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