Feat: Debugging/Logging is working

- Updated dependencies

src/main.rs

@@ -1,12 +1,17 @@
+use color_eyre::Report;
 use tokio::{
     io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
     net::TcpListener,
     sync::broadcast,
 };
+use tracing::info;
+use tracing_subscriber::filter::EnvFilter;
 
 #[tokio::main]
-async fn main() {
-    // Set up a TCP listenner to listen for incoming tcp requests
+async fn main() -> Result<(), Report> {
+    // Setup the Environment
+    setup()?;
+    // Set up a TCP listener to listen for incoming tcp requests
     let listener = TcpListener::bind("127.0.0.1:8080").await.unwrap();
 
     // Setting up broadcast channel: A channel that will accept messages and broadcast them to everyone connected to the TCP server
@@ -31,7 +36,7 @@ async fn main() {
 
             let mut line: String = String::new();
 
-            // second loop keeps receving input from that one client going
+            // second loop keeps receiving input from that one client going
             loop {
                 tokio::select! {
                     result = buffer_reader.read_line(&mut line) => {
@@ -57,3 +62,23 @@ async fn main() {
     }
 }
 
+fn setup() -> Result<(), Report> {
+    info!("Changing some environment variables!");
+
+    if std::env::var("RUST_LIB_BACKTRACE").is_err() {
+        std::env::set_var("RUST_LIB_BACKTRACE", "1");
+        info!("RUST_LIB_BACKTRACE is set. There will be pretty error messages !")
+    }
+    color_eyre::install()?;
+
+    if std::env::var("RUST_LOG").is_err() {
+        std::env::set_var("RUST_LOG", "info");
+        info!("RUST_LOG is set. All errors shall be logged !")
+    }
+
+    tracing_subscriber::fmt::fmt()
+        .with_env_filter(EnvFilter::from_default_env())
+        .init();
+
+    Ok(())
+}