add argument for port and ip, cleanup

src/main.rs

@@ -1,15 +1,26 @@
-use std::{net::{TcpStream, TcpListener}, io::prelude::*, fs};
+use std::{net::{TcpStream, TcpListener}, io::prelude::*, fs, env};
 
 
 fn main() {
-	let listener = TcpListener::bind("192.168.0.108:25585").unwrap();
+	let args: Vec<String> = env::args().collect();
+
+	let host = if args.len() < 2 {
+		"127.0.0.1:6666"
+	} else {
+		&args[1]
+	};
+	println!("Starting server on {:?}...\n", &host);
+
+	let listener = TcpListener::bind(host).expect("Could not bind to address");
 
 	for stream in listener.incoming() {
-		let stream = stream.unwrap();
-		println!("IP:  {}\n", stream.peer_addr().unwrap());
-
+		if let Ok(stream) = stream {
 			handle_connection(stream);
 		}
+		else {
+			println!("Error with incoming stream: {}", stream.err().unwrap());
+		}
+	}
 }
 
 
@@ -17,18 +28,20 @@ fn handle_connection(mut stream: TcpStream) {
 	let mut buffer = vec![0; 1024];
 	let size = stream.read(&mut buffer).unwrap();
 	buffer.resize(size, 0);	
-	let contents = fs::read_to_string("src/main.rs").unwrap();
+
+	let contents = fs::read_to_string("src/main.rs").unwrap() + "\n\n";
 	
 	let response = format!(
 		"HTTP/1.1 200 OK\nContent-Length: {}\n\n{}",
 		contents.len() + buffer.len(),
 		contents
 	);
-	
-	stream.write(response.as_bytes()).unwrap();
-	stream.write(&buffer).unwrap();
+	stream.write_all(response.as_bytes()).unwrap();
+	stream.write_all(&buffer).unwrap();
 	stream.flush().unwrap();
-	println!("read {} bytes:\n{}", size,
+
+	let peer_addr = stream.peer_addr().unwrap();
+	println!("Received {} bytes from {}\n\n{}\n", size, peer_addr,
 		String::from_utf8_lossy(&buffer)
 		.escape_debug()
 		.collect::<String>()