configurable tarpit delay

src/main.rs

@@ -17,6 +17,9 @@ use std::{env, io};
 use tokio::net::UdpSocket;
 use tokio::time::{sleep, Duration};
 
+// delay seconds for tarpit feature
+static TARPIT_DELAY: u64 = 4;
+
 struct Server {
     socket: UdpSocket,
     buf: Vec<u8>,
@@ -44,7 +47,7 @@ impl Server {
                 match msg {
                     msg if msg.contains("OPTIONS") => {
                         // esperar - tarpit!
-                        sleep(Duration::from_secs(1)).await;
+                        sleep(Duration::from_secs(TARPIT_DELAY)).await;
 
                         let options = Options::parse(&msg);
                         // respondemos con un 404 not found
@@ -74,7 +77,7 @@ impl Server {
                     },
                     msg if msg.contains("REGISTER") => {
                         // esperar - tarpit!
-                        sleep(Duration::from_secs(1)).await;
+                        sleep(Duration::from_secs(TARPIT_DELAY)).await;
 
                         let register = Register::parse(&msg);