Webapp

src/main.rs

@@ -1,3 +1,47 @@
-fn main() {
-    println!("Hello, world!");
+mod api;
+mod data_value;
+mod dto;
+mod engine;
+mod index_key;
+mod ingest;
+mod metric_primitive;
+mod timestamp;
+
+use clap::Parser;
+use tokio::net::TcpListener;
+use tokio::sync::mpsc;
+
+/// Observability dashboard from terminal output.
+#[derive(Parser, Debug)]
+struct Args {
+    /// Port to serve the API and webapp on.
+    #[arg(long, default_value_t = 8420)]
+    port: u16,
+
+    /// Directory containing the built webapp (index.html + assets).
+    #[arg(long, default_value = "webapp/dist")]
+    static_dir: String,
+}
+
+#[tokio::main]
+async fn main() {
+    let args = Args::parse();
+
+    let (engine_tx, engine_rx) = mpsc::channel(1024);
+    tokio::spawn(engine::run(engine_rx));
+    tokio::spawn(ingest::run(engine_tx.clone()));
+
+    let app = api::router(engine_tx, &args.static_dir);
+    let listener = TcpListener::bind(("0.0.0.0", args.port))
+        .await
+        .expect("failed to bind listener");
+
+    eprintln!(
+        "ottyl serving on http://localhost:{} (reading logs from stdin)",
+        args.port
+    );
+
+    axum::serve(listener, app)
+        .await
+        .expect("server error");
 }