Added service code

src/main.rs

@@ -1,3 +1,38 @@
-fn main() {
-    println!("Hello, world!");
+use std::error::Error;
+use tokio::io::AsyncReadExt;
+use tokio::net::{TcpListener, TcpStream};
+use tokio::spawn;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error>> {
+    let listener = TcpListener::bind("127.0.0.1:8080").await?;
+    println!("API calling service listening on 127.0.0.1:8080");
+
+    loop {
+        let (stream, addr) = listener.accept().await?;
+        println!("Accepted connection from: {}", addr);
+
+        spawn(async move {
+            if let Err(e) = handle_connection(stream).await {
+                eprintln!("Error handling connection from {}: {}", addr, e);
+            }
+        });
+    }
+}
+
+async fn handle_connection(mut stream: TcpStream) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let mut buffer = [0; 1024];
+
+    loop {
+        let n = stream.read(&mut buffer).await?;
+
+        if n == 0 {
+            break; // Connection closed
+        }
+
+        let request_data = String::from_utf8_lossy(&buffer[..n]).trim().to_string();
+        println!("Received request: {}", request_data);
+    }
+
+    Ok(())
 }