smart-house-web: в работе

smart-house-web: в работе

.gitignore

@@ -1,2 +1,3 @@
 /.idea/
 /**/.DS_Store
+/tmp/

smart-house-web/Cargo.toml

@@ -1,6 +1,15 @@
-[package]
+[workspace]
-name = "smart-house-web"
+resolver = "3"
-version = "0.1.0"
+members = ["backend"]
-edition = "2024"
 
-[dependencies]
+[profile.release]
+opt-level = "z"
+strip = "symbols"
+lto = "fat"
+panic = "abort"
+codegen-units = 1
+overflow-checks = false
+debug-assertions = false
+incremental = false
+
+[workspace.dependencies]

smart-house-web/backend/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "backend"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+tracing = "0.1"
+tracing-subscriber = "0.3"
+tokio = { version = "1.52", features = ["rt", "rt-multi-thread", "signal", "time"] }
+axum = "0.8"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"

smart-house-web/backend/src/house.rs

@@ -0,0 +1,79 @@
+use serde::{Deserialize, Serialize};
+use std::fmt::Display;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PowerSocket {
+    power_rate: f32,
+    on: bool,
+}
+
+impl PowerSocket {
+    pub fn new(power_rate: f32, on: bool) -> Self {
+        Self { power_rate, on }
+    }
+
+    pub fn is_on(&self) -> bool {
+        self.on
+    }
+
+    pub fn set_on(&mut self, on: bool) {
+        self.on = on
+    }
+
+    pub fn get_power(&self) -> f32 {
+        if self.is_on() { self.power_rate } else { 0.0 }
+    }
+
+    pub fn report(&self) -> impl Display {
+        let state = if self.is_on() { "ON" } else { "OFF" };
+        let power = self.get_power();
+        format!("PowerSocket[ {} : {:02.1} ]", state, power)
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Thermometer {
+    temperature: f32,
+}
+
+impl Thermometer {
+    pub fn new(temperature: f32) -> Self {
+        Self { temperature }
+    }
+
+    pub fn get_temperature(&self) -> f32 {
+        self.temperature
+    }
+
+    pub fn report(&self) -> impl Display {
+        let temperature = self.get_temperature();
+        format!("Thermometer[ {:02.1} ]", temperature)
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Device {
+    PowerSocket(PowerSocket),
+    Thermometer(Thermometer),
+}
+
+impl Device {
+    pub fn report(&self) -> impl Display {
+        match self {
+            Device::PowerSocket(v) => format!("{}", v.report()),
+            Device::Thermometer(v) => format!("{}", v.report()),
+        }
+    }
+}
+
+impl From<PowerSocket> for Device {
+    fn from(value: PowerSocket) -> Self {
+        Device::PowerSocket(value)
+    }
+}
+
+impl From<Thermometer> for Device {
+    fn from(value: Thermometer) -> Self {
+        Device::Thermometer(value)
+    }
+}

smart-house-web/backend/src/lib.rs

@@ -0,0 +1,37 @@
+const CODE_LOGGER_INITIALIZATION_ERROR: i32 = 1;
+const CODE_TOKIO_RUNTIME_CREATION_ERROR: i32 = 2;
+const CODE_LISTENER_BINDING_ERROR: i32 = 3;
+const CODE_STARTIG_SERVER_ERROR: i32 = 4;
+const CODE_CTRL_C_SIGNAL_INSTALL_ERROR: i32 = 5;
+
+pub fn init_logger() {
+    use std::process::exit;
+    use tracing::{Level, trace};
+    use tracing_subscriber::{
+        Layer, filter::Targets, fmt::layer, layer::SubscriberExt, registry, util::SubscriberInitExt,
+    };
+
+    let layer = layer()
+        .compact()
+        .with_thread_names(true)
+        .with_file(false)
+        .with_line_number(false)
+        .with_filter(
+            Targets::new()
+                .with_target("axum::serve", Level::INFO)
+                .with_default(Level::TRACE),
+        )
+        .boxed();
+    if let Err(e) = registry().with(vec![layer]).try_init() {
+        eprintln!("Logger initialization failed: {:?}", e);
+        exit(CODE_LOGGER_INITIALIZATION_ERROR);
+    } else {
+        trace!("Logger succesfully initialized");
+    }
+}
+
+mod server;
+pub use server::run_server;
+
+mod house;
+pub use house::{Device, PowerSocket, Thermometer};

smart-house-web/backend/src/main.rs

@@ -0,0 +1,6 @@
+use backend::{init_logger, run_server};
+
+fn main() {
+    init_logger();
+    run_server();
+}

smart-house-web/backend/src/server.rs

@@ -0,0 +1,73 @@
+use std::{
+    process::exit,
+    sync::atomic::{AtomicUsize, Ordering},
+};
+use tracing::{error, info};
+
+pub fn run_server() {
+    let runtime = match tokio::runtime::Builder::new_multi_thread()
+        .name("tokio")
+        .thread_name_fn(|| {
+            static LAST_ID: AtomicUsize = AtomicUsize::new(0);
+            let id = LAST_ID.fetch_add(1, Ordering::SeqCst);
+            format!("tkwr-{id}")
+        })
+        .worker_threads(2)
+        .thread_stack_size(256 * 1024)
+        .enable_all()
+        .build()
+    {
+        Ok(runtime) => runtime,
+        Err(e) => {
+            error!("Failed to create Tokio runtime: {:?}", e);
+            exit(crate::CODE_TOKIO_RUNTIME_CREATION_ERROR);
+        }
+    };
+    runtime.block_on(server_main());
+}
+
+async fn server_main() {
+    let app = axum::Router::new().fallback(fallback);
+    let addr = "127.0.0.1:8080";
+    let listener = match tokio::net::TcpListener::bind(addr).await {
+        Ok(listener) => listener,
+        Err(e) => {
+            error!("Failed to bind listener to {}: {:?}", addr, e);
+            exit(crate::CODE_LISTENER_BINDING_ERROR);
+        }
+    };
+    info!("Starting server at {}...", addr);
+    if let Err(e) = axum::serve(listener, app)
+        .with_graceful_shutdown(shutdown_signal())
+        .await
+    {
+        error!("Failed to start server: {:?}", e);
+        exit(crate::CODE_STARTIG_SERVER_ERROR);
+    };
+    info!("Shutdown server");
+}
+
+async fn fallback() -> axum::response::Response {
+    use axum::response::IntoResponse;
+    (axum::http::StatusCode::NOT_FOUND, "404 NOT FOUND").into_response()
+}
+
+async fn shutdown_signal() {
+    // let timeout = async {
+    //     tokio::time::sleep(std::time::Duration::from_secs(10)).await;
+    //     info!("10 seconds timeout expired");
+    // };
+    let ctrl_c = async {
+        tokio::signal::ctrl_c().await.map_err(|e| {
+            error!("Can't install Ctrl+C signal handler: {:?}", e);
+            exit(crate::CODE_CTRL_C_SIGNAL_INSTALL_ERROR);
+        });
+        info!("Ctrl+C pressed");
+    };
+    let pending = std::future::pending::<()>();
+    tokio::select! {
+        // _ = timeout => {},
+        _ = ctrl_c => {},
+        _ = pending => {},
+    }
+}

smart-house-web/src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}