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Basic HTTP web server

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This commit is contained in:
Quentin Boyer 2023-11-04 17:09:14 +01:00
parent c17baa112c
commit 44222d2d9a
4 changed files with 1412 additions and 1 deletions
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1311
Cargo.lock generated
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8
Cargo.toml
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@ -5,4 +5,12 @@ authors = ["traxys <quentin@familleboyer.net>"]
edition = "2021" edition = "2021"
[dependencies] [dependencies]
axum = "0.6.20"
envious = "0.2.2"
serde = { version = "1.0.190", features = ["derive"] }
tera = "1.19.1"
thiserror = "1.0.50"
tokio = { version = "1.33.0", features = ["rt", "macros"] } tokio = { version = "1.33.0", features = ["rt", "macros"] }
tower-http = { version = "0.4.4", features = ["trace"] }
tracing = "0.1.40"
tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }

85
src/main.rs
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@ -1,4 +1,87 @@
use std::{net::SocketAddr, sync::Arc};
use axum::{
http::StatusCode,
response::{Html, IntoResponse},
routing::get,
Router,
};
use serde::{Deserialize, Serialize};
use tera::{Context, Tera};
use tower_http::trace::TraceLayer;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
#[derive(thiserror::Error, Debug)]
enum Error {
#[error("Could not render tera template")]
Template(#[from] tera::Error),
}
impl IntoResponse for Error {
fn into_response(self) -> axum::response::Response {
tracing::error!("Failure in route: {self:?}");
match self {
Error::Template(_) => (
StatusCode::INTERNAL_SERVER_ERROR,
"an internal error occured",
)
.into_response(),
}
}
}
const TEMPLATE_DIR: &str = match option_env!("TEMPLATE_DIR") {
Some(s) => s,
None => "templates",
};
struct AppState {
templates: Tera,
}
type State = axum::extract::State<Arc<AppState>>;
async fn index(state: State) -> Result<Html<String>, Error> {
let rendered = state.templates.render("index.html", &Context::new())?;
Ok(rendered.into())
}
fn mk_port() -> u16 {
8080
}
#[derive(Serialize, Deserialize)]
struct Config {
#[serde(default = "mk_port")]
port: u16,
}
#[tokio::main(flavor = "current_thread")] #[tokio::main(flavor = "current_thread")]
async fn main() { async fn main() {
println!("Hello world"); tracing_subscriber::registry()
.with(tracing_subscriber::EnvFilter::from_default_env())
.with(tracing_subscriber::fmt::layer())
.init();
let config: Config = envious::Config::default()
.build_from_env()
.expect("could not get env vars");
let templates = Tera::new(&format!("{TEMPLATE_DIR}/**/*.html")).unwrap();
let state = Arc::new(AppState { templates });
let router = Router::new()
.route("/", get(index))
.with_state(state)
.layer(TraceLayer::new_for_http());
tracing::info!("Listening on port {}", config.port);
let listen = SocketAddr::new("0.0.0.0".parse().unwrap(), config.port);
axum::Server::bind(&listen)
.serve(router.into_make_service())
.await
.expect("web server failed");
} }

9
templates/index.html Normal file
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@ -0,0 +1,9 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Home Assistant Guest</title>
</head>
<body></body>
</html>