2024-02-06 15:51:30 -05:00
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use axum::{
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extract::{Json, Request},
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Router,
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};
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2023-01-13 09:56:06 -05:00
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use clap::Parser;
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2023-01-12 15:31:03 -05:00
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use serde::Serialize;
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2023-01-13 09:56:06 -05:00
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use std::collections::BTreeMap;
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#[derive(Parser)]
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#[command(author, version, about, long_about = None)]
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struct CliArgs {
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/// Port to run on.
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#[arg(short, long, default_value_t = 8080)]
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port: u16,
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/// Listen to IP mask
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#[arg(short, long, default_value = "0.0.0.0")]
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ips: String,
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}
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2023-01-12 15:31:03 -05:00
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#[derive(Serialize)]
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struct EchoHeader {
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name: String,
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value: String,
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}
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#[derive(Serialize)]
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struct EchoResponse {
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method: String,
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path: String,
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host: String,
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2023-01-13 09:56:06 -05:00
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headers: BTreeMap<String, String>,
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}
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impl EchoResponse {
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2024-02-06 15:51:30 -05:00
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fn new(req: &Request) -> Self {
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let req_uri = req.uri();
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let mut headers = BTreeMap::new();
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for (header_name, header_value) in req.headers().iter() {
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headers.insert(
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header_name.to_string(),
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header_value.to_str().unwrap_or("ERROR").to_string(),
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);
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}
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EchoResponse {
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method: req.method().to_string(),
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path: req_uri.path().to_string(),
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host: req_uri.host().unwrap_or("").to_string(),
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headers,
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}
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}
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}
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2024-02-06 15:51:30 -05:00
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async fn echo_request(request: Request) -> Json<EchoResponse> {
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Json(EchoResponse::new(&request))
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2023-01-12 15:31:03 -05:00
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}
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2024-02-06 15:51:30 -05:00
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#[tokio::main]
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async fn main() {
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let cli_args = CliArgs::parse();
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let listen_on = (cli_args.ips, cli_args.port);
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2024-02-06 15:51:30 -05:00
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let listen_on = format!("{ip}:{port}", ip = listen_on.0, port = listen_on.1);
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let app = Router::new().fallback(echo_request);
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let listener = tokio::net::TcpListener::bind(&listen_on)
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.await
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.expect(&format!("Attempted binding to {}", listen_on));
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axum::serve(listener, app)
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.await
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.expect("Server should start");
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2023-01-12 09:41:47 -05:00
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}
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