update dynamic `sendto` parameter adaptivelyHEADmaster

1 files changed, 5 insertions, 6 deletions

diff --git a/src/main.rs b/src/main.rs
index d45fe8a..b5c4e69 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,13 +1,11 @@
 use std::io;
 use std::net::{SocketAddr, ToSocketAddrs};
-
 use std::time::{Duration, SystemTime, SystemTimeError};
 
 use clap::{arg, Parser};
 use tokio::net::UdpSocket;
 use tracing::{debug, error};
 
-
 use crate::Destination::{Address, SockAddr};
 
 const TTL: Duration = Duration::from_secs(300);
@@ -52,8 +50,8 @@ async fn main() {
     let local = args.local.parse().expect("failed to parse local address");
     let mut sendto = Destination::None;
     let args_sendto: String;
-    if let Some(s) = args.sendto {
-        args_sendto = s;
+    if let Some(s) = &args.sendto {
+        args_sendto = s.clone();
         sendto = Address(&args_sendto);
     }
     let mut addr_sendto: Option<SocketAddr> = None;
@@ -71,8 +69,9 @@ async fn main() {
                         i = 0;
                     }
                 }
-                if sendto == Destination::None && addr != local {
-                    // assume the packet is coming from target
+                if args.sendto == None && addr != local {
+                    // sendto is not defined by user and is determined dynamically
+                    // we simply assume the last packet's sender is the target
                     // update missing sendto parameter
                     sendto = SockAddr(addr);
                 }