diff --git a/src/lib.rs b/src/lib.rs
index d4e8e2a..9753107 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -65,4 +65,14 @@ pub enum RegisterRequestDataPositions {
     DATA = (SALT_AND_IV_SIZE + RegisterRequestDataPositions::IV as u8) as isize, // after this there will be id and sockaddr in string or encrypted form after
 }
 
+#[allow(non_camel_case_types)]
+pub enum GetResponseDataPositions {
+    ENCRYPTED = 1, // this feeld should be 0 if not encrypted
+    ID_LEN = 2,
+    NUM_OF_CLIENTS = 3,
+    SALT = 4,
+    CLIENTS = (SALT_AND_IV_SIZE + RegisterRequestDataPositions::SALT as u8) as isize,
+    // after this there will be blocks of this sturcture: one byte size of sockaddr than there will be IV that is SALT_AND_IV_SIZE long and after that there will be sockaddr this repeats until the end of packet
+}
+
 pub mod shared;
diff --git a/src/server/net.rs b/src/server/net.rs
index 796d3fb..0ab1db2 100644
--- a/src/server/net.rs
+++ b/src/server/net.rs
@@ -9,7 +9,7 @@ use rayon::prelude::*;
 use std::sync::Arc;
 use std::u8;
 pub async fn handle_request(
-    mut buf: [u8; BUFFER_SIZE],
+    buf: [u8; BUFFER_SIZE],
     socket: std::sync::Arc<std::net::UdpSocket>,
     src: core::net::SocketAddr,
     data_len: usize,
diff --git a/src/server/types.rs b/src/server/types.rs
index 16a8539..15784fa 100644
--- a/src/server/types.rs
+++ b/src/server/types.rs
@@ -1,6 +1,7 @@
 use pea_2_pea::*;
 use std::sync::{Arc, atomic::Ordering};
 
+#[derive(Clone)]
 #[readonly::make]
 pub struct Client {
     #[readonly]
@@ -19,7 +20,7 @@ impl Client {
         }
     }
 }
-
+#[derive(Clone)]
 #[readonly::make]
 pub struct Registration {
     #[readonly]