Add dummy lobby server

This doesn't respond or read anything yet, it's just for testing.

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -654,6 +654,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787"
 dependencies = [
  "backtrace",
+ "bytes",
  "libc",
  "mio",
  "num_cpus",

Cargo.toml

@@ -28,7 +28,7 @@ panic = "abort"
 [dependencies]
 axum = { version = "0.6", features = ["json", "tokio", "http1", "form", "query", "headers"], default-features = false }
 serde_json = { version = "1.0", default-features = false }
-tokio = { version = "1.37", features = ["macros", "rt", "rt-multi-thread"], default-features = false }
+tokio = { version = "1.37", features = ["macros", "rt", "rt-multi-thread", "io-util"], default-features = false }
 tracing = { version = "0.1", default-features = false }
 serde = { version = "1.0", features = ["derive"], default-features = false }
 tracing-subscriber = { version = "0.3", features = ["fmt"], default-features = false }

run.sh

@@ -7,4 +7,5 @@ cargo run -q --package kawari --bin kawari-frontier &
 cargo run -q --package kawari --bin kawari-login &
 cargo run -q --package kawari --bin kawari-patch &
 cargo run -q --package kawari --bin kawari-web &
-wait
+cargo run -q --package kawari --bin kawari-lobby &
+wait

src/bin/kawari-lobby.rs

@@ -0,0 +1,28 @@
+use tokio::io::AsyncReadExt;
+use tokio::net::TcpListener;
+
+#[tokio::main]
+async fn main() {
+    tracing_subscriber::fmt::init();
+
+    let listener = TcpListener::bind("127.0.0.1:7000").await.unwrap();
+
+    tracing::info!("Lobby server started on 7000");
+
+    loop {
+        let (socket, _) = listener.accept().await.unwrap();
+        let (mut read, _) = tokio::io::split(socket);
+
+        tokio::spawn(async move {
+            let mut buf = [0; 2056];
+            loop {
+                let n = read
+                .read(&mut buf)
+                .await
+                .expect("Failed to read data!");
+
+                println!("Recieved data: {:#?}", &buf[..n]);
+            }
+        });
+    }
+}