[O] Try to RIIR telnet server (didn't work)

tngame-rs/src/main.rs

@@ -8,6 +8,10 @@ use anyhow::Result;
 use rand::Rng;
 use termion::color::{Fg, Rgb};
 use termion::cursor::Goto;
+use termion::raw::IntoRawMode;
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
+use tokio::net::TcpListener;
+use tokio::sync::mpsc;
 use crate::cowsay::gen_bubble_ascii;
 
 mod cowsay;
@@ -343,11 +347,11 @@ fn start_loop(mt: &mut Mutes, cn: &Consts) {
         draw_ascii_frame(mt, cn);
 
         // Draw the buffer, time it, and print it
-        let txt = mt.draw_buf().unwrap();
+        let mut txt = mt.draw_buf().unwrap();
         let end = Instant::now();
 
         let draw_time = (end - start).as_secs_f32();
-        print!("\rDraw time: {:.2}ms", draw_time * 1000.0);
+        txt.push_str(&*format!("\rDraw time: {:.2}ms", draw_time * 1000.0));
         print!("{}", txt);
 
         // Sleep for 1/20th of a second
@@ -355,11 +359,57 @@ fn start_loop(mt: &mut Mutes, cn: &Consts) {
     }
 }
 
-fn main() {
+// fn main() {
-    pretty_env_logger::init();
+//     pretty_env_logger::init();
+//
+//     let cn = Consts::new();
+//     let mut mt = Mutes::new(&cn);
+//
+//
+//
+//     start_loop(&mut mt, &cn);
+// }
 
-    let cn = Consts::new();
+#[tokio::main]
-    let mut mt = Mutes::new(&cn);
+async fn main() -> Result<()> {
+    const ADDR: &str = "127.0.0.1:2323";
+    let listener = TcpListener::bind(ADDR).await?;
 
-    start_loop(&mut mt, &cn);
+    println!("Server running on {ADDR}");
+
+    // Spawn a task to handle incoming connections
+    tokio::spawn(async move {
+        while let Ok((mut socket, _addr)) = listener.accept().await {
+            // Spawn a task to handle the socket
+            tokio::spawn(async move {
+                let (mut reader, mut writer) = socket.split();
+
+                // Put the terminal into raw mode to receive escape sequences
+                writer.write_all(b"\x1B[?25l").await.unwrap(); // Hide the cursor
+                writer.write_all(b"\x1B[?1049h").await.unwrap(); // Save cursor position and switch to alternate screen
+                writer.flush().await.unwrap();
+
+                // Send a welcome message to the client
+                writer.write_all(b"Meow~\n").await.unwrap();
+
+                // Read from the client until the connection is closed
+                let mut buf = [0; 3];
+                loop {
+                    // Print escaped characters for debug
+                    let n = reader.read(&mut buf).await.unwrap();
+                    for i in 0..n {
+                        for e in std::ascii::escape_default(buf[i]) {
+                            print!("{}", e as char);
+                        }
+                    }
+
+                    writer.write_all(format!("\nReceived {n} bytes: {}", String::from_utf8_lossy(&buf[..n])).as_ref()).await.unwrap();
+
+                    if n == 0 { break; }
+                }
+            });
+        }
+    });
+
+    Ok(())
 }