make address an argument

src/main.rs

@@ -1,43 +1,25 @@
-use std::io::{BufRead, BufReader};
-use std::net::TcpStream;
-
-//const REQUEST: &str = "GET /sse HTTP/1.1\x0d\x0aHost: 192.168.1.10:8100\x0d\x0aUser-Agent: curl/8.4.0\x0d\x0aAccept: */*\x0d\x0a\x0d\x0a";
+use std::env;
+use std::io::Write;
+use std::net::UdpSocket;
 
 fn main() -> std::io::Result<()> {
-    //println!("Hello, world!");
-    //println!("str: {}", REQUEST);
-
-    //let mut stdout = std::io::stdout();
-
-    let stream = TcpStream::connect("192.168.1.10:10110")?;
-    //let mut buffer = vec![0_u8; 1024];
-    let mut buffer = BufReader::new(stream);
-
-    let mut current_line = String::new();
-    while let Ok(n) = buffer.read_line(&mut current_line) {
-        if n == 0 {
-            break;
+    let addr = match env::args().nth(1) {
+        Some(x) => x,
+        None => {
+            println!("Error no address");
+            return Ok(());
         }
-        println!("{}", current_line);
-        current_line.clear();
+    };
+
+    let mut stdout = std::io::stdout();
+
+    let socket = UdpSocket::bind(addr)?;
+
+    let mut buf = [0_u8; 1024];
+
+    while let Ok((n_recv, _src)) = socket.recv_from(&mut buf) {
+        stdout.write_all(&buf[..n_recv])?;
     }
 
-    //stream.write_all(REQUEST.as_bytes())?;
-
-    //let header_end = u32::from_ne_bytes(*b"\r\n\r\n");
-    //while let Ok(n) = stream.read(&mut buffer[4..]) {
-    //    stdout.write_all(&buffer[4..4 + n])?;
-    //for i in (0..n).into_iter().step_by(2) {
-    //    for i in 0..n {
-    //        let value = u32::from_ne_bytes(buffer[i..i + 4].try_into().unwrap());
-    //        if value == header_end {
-    //            buffer.copy_within(i + 4..n, 0);
-    //            break;
-    //        }
-    //    }
-    //    buffer.copy_within(n..n + 4, 0);
-    //}
-    //stream.read(&mut buffer)
-
     Ok(())
 }