rename argument mod to config; implement name, tracker config options

src/main.rs

@@ -1,11 +1,11 @@
-mod argument;
+mod config;
 mod format;
 
 use anyhow::Result;
-use argument::Argument;
 use btracker_fs::public::{Order, Public, Sort};
 use chrono::Local;
 use clap::Parser;
+use config::Config;
 use librqbit_core::torrent_metainfo::{TorrentMetaV1Owned, torrent_from_bytes};
 use log::*;
 use native_tls::{HandshakeError, Identity, TlsAcceptor, TlsStream};
@@ -34,33 +34,33 @@ fn main() -> Result<()> {
             .init()
     }
 
-    let argument = Arc::new(Argument::parse());
+    let config = Arc::new(Config::parse());
 
-    let public =
-        Arc::new(Public::init(&argument.storage, argument.limit, argument.capacity).unwrap());
+    let public = Arc::new(Public::init(&config.storage, config.limit, config.capacity).unwrap());
 
     // https://geminiprotocol.net/docs/protocol-specification.gmi#the-use-of-tls
     let acceptor = TlsAcceptor::new(Identity::from_pkcs12(
         &{
             let mut buffer = vec![];
-            File::open(&argument.identity)?.read_to_end(&mut buffer)?;
+            File::open(&config.identity)?.read_to_end(&mut buffer)?;
             buffer
         },
-        &argument.password,
+        &config.password,
     )?)?;
 
-    let listener = TcpListener::bind(&argument.bind)?;
+    let listener = TcpListener::bind(&config.bind)?;
 
-    info!("Server started on `{}`", argument.bind);
+    info!("Server started on `{}`", config.bind);
 
     for stream in listener.incoming() {
         match stream {
             Ok(stream) => {
                 thread::spawn({
+                    let config = config.clone();
                     let public = public.clone();
                     let peer = stream.peer_addr()?;
                     let connection = acceptor.accept(stream);
-                    move || handle(public, peer, connection)
+                    move || handle(config, public, peer, connection)
                 });
             }
             Err(e) => error!("{e}"),
@@ -70,6 +70,7 @@ fn main() -> Result<()> {
 }
 
 fn handle(
+    config: Arc<Config>,
     public: Arc<Public>,
     peer: SocketAddr,
     connection: Result<TlsStream<TcpStream>, HandshakeError<TcpStream>>,
@@ -108,7 +109,7 @@ fn handle(
                         if header_buffer.last().is_some_and(|&b| b == b'\n') {
                             // header bytes contain valid Gemini **request**
                             if let Ok(request) = request::Gemini::from_bytes(&header_buffer) {
-                                return response(request, &public, &peer, &mut stream);
+                                return response(request, &config, &public, &peer, &mut stream);
                             }
 
                             // header bytes received but yet could not be parsed,
@@ -146,6 +147,7 @@ fn handle(
 
 fn response(
     request: titanite::request::Gemini,
+    config: &Config,
     public: &Public,
     peer: &SocketAddr,
     stream: &mut TlsStream<TcpStream>,
@@ -156,6 +158,7 @@ fn response(
     if request.url.path().trim_end_matches("/").is_empty() {
         return send(
             &match index(
+                config,
                 public,
                 request.url.query_pairs().find_map(|a| {
                     if a.0 == "page" {
@@ -207,7 +210,7 @@ fn send(data: &[u8], stream: &mut TlsStream<TcpStream>, callback: impl FnOnce(Re
     })());
 }
 
-fn index(public: &Public, page: Option<usize>) -> Result<String> {
+fn index(config: &Config, public: &Public, page: Option<usize>) -> Result<String> {
     let (total, torrents) = public.torrents(
         None, // @TODO
         Some((Sort::Modified, Order::Desc)),
@@ -215,7 +218,19 @@ fn index(public: &Public, page: Option<usize>) -> Result<String> {
         Some(public.default_limit),
     )?;
 
-    let mut b = Vec::with_capacity(torrents.len());
+    let mut b = Vec::new();
+
+    b.push(format!("# {}\n", config.name));
+
+    if let Some(ref trackers) = config.tracker {
+        b.push("```".into());
+        for tracker in trackers {
+            b.push(tracker.clone());
+        }
+        b.push("```\n".into());
+    }
+
+    b.push("## Recent\n".into());
 
     for torrent in torrents {
         let i: TorrentMetaV1Owned = torrent_from_bytes(&torrent.bytes)?;
@@ -236,6 +251,8 @@ fn index(public: &Public, page: Option<usize>) -> Result<String> {
         ));
     }
 
+    b.push("## Navigation\n".into());
+
     b.push(format!(
         "Page {} / {} ({total} {} total)",
         page.unwrap_or(1),