diff --git a/client-network/src/lib.rs b/client-network/src/lib.rs
index 9224415..4f9a03d 100644
--- a/client-network/src/lib.rs
+++ b/client-network/src/lib.rs
@@ -218,7 +218,7 @@ pub fn start_p2p_executor(
                                 sd.senders(),
                                 sd.cryptopair(),
                                 sd.messages_list(),
-                                sd.handshake_peers.username_k_peerinfo_v.clone(),
+                                sd.handshake_peers.get_username_peerinfo_map(),
                             );
 
                             let res =
diff --git a/client-network/src/message_handling.rs b/client-network/src/message_handling.rs
index 74aceee..f5491b0 100644
--- a/client-network/src/message_handling.rs
+++ b/client-network/src/message_handling.rs
@@ -134,6 +134,7 @@ pub fn parse_message(
     match msgtype {
         HELLO | HELLOREPLY => {
             let ilength = u16::from_be_bytes(length_bytes);
+            println!("hello");
             println!("name received length: {}", ilength);
             let received_name = &received_message[LENGTH + EXTENSIONS..LENGTH + ilength as usize];
             let received_username = String::from_utf8(received_name.to_vec());
@@ -147,12 +148,14 @@ pub fn parse_message(
                                 .block_on(get_peer_key(&username))
                                 .expect("failed to retrieve public key"),
                         };
-                    println!("handshake JULIUS added");
-                    handhsake_history.add_new_handshake(peer_pubkey, "".to_string(), ip);
-                    let signature: [u8; SIGNATURE] = received_message
-                        [LENGTH + msg_length..LENGTH + msg_length + SIGNATURE]
-                        .try_into()
-                        .expect("Taille incorrecte");
+                    match msgtype {
+                        HELLOREPLY => {
+                            handhsake_history.add_new_handshake(peer_pubkey, "".to_string(), ip);
+                        }
+                        _ => {
+                            println!("no handshake added");
+                        }
+                    }
                     if !verify_signature(peer_pubkey, &received_message) {
                         println!(
                             "incorrect signature from given peer: {}, ignoring message of type {} with id {}",
diff --git a/client-network/src/peers_refresh.rs b/client-network/src/peers_refresh.rs
index a8ea8db..1684324 100644
--- a/client-network/src/peers_refresh.rs
+++ b/client-network/src/peers_refresh.rs
@@ -90,6 +90,10 @@ impl HandshakeHistory {
         }
     }
 
+    pub fn get_username_peerinfo_map(&self) -> Arc<Mutex<HashMap<String, PeerInfo>>> {
+        self.username_k_peerinfo_v.clone()
+    }
+
     pub fn add_new_handshake(&self, hash: VerifyingKey, username: String, ip: SocketAddr) {
         let peerinfo = PeerInfo {
             username: username.clone(),
@@ -112,14 +116,11 @@ pub fn update_handshake(
     let map_for_thread = username_k_peerinfo_v.clone();
     let handle = thread::spawn(move || {
         loop {
-            println!("loop boucle");
             let guard = map_for_thread.lock().unwrap();
-            println!("len:{}", guard.len());
             for (peer, peerinfo) in guard.iter() {
                 let id = generate_id();
                 let mut map = messages_list.lock().unwrap();
                 map.insert(id, EventType::Ping);
-                drop(map);
                 let pingrequest = construct_message(PING, Vec::new(), id, &crypto_pair);
                 if let Some(ping) = pingrequest {
                     senders.add_message_to_retry_queue(
@@ -133,10 +134,10 @@ pub fn update_handshake(
                         false,
                         messages_list.clone(),
                     );
-                    println!("ping envoye a {}", peer);
                 }
             }
-            thread::sleep(Duration::from_secs(2));
+            drop(guard);
+            thread::sleep(Duration::from_secs(240));
         }
     });
     Worker::spawn(handle, crate::threads_handling::WorkerType::PING)