thing

Reviewed-on: #1

client-gui/src/gui_app.rs

@@ -27,7 +27,7 @@ pub struct P2PClientApp {
 
     // GUI State
     status_message: String,
-    known_peers: Vec<String>,
+    known_peers: Vec<(String, bool)>,
     connect_address_input: String,
     connected_address: String,
     connect_name_input: String,
@@ -62,7 +62,7 @@ impl P2PClientApp {
             network_cmd_tx: cmd_tx,
             network_event_rx: event_rx,
             status_message: "Client Initialized. Awaiting network status...".to_string(),
-            known_peers: vec!["bob".to_string()],
+            known_peers: vec![("bob".to_string(), true)],
             connect_address_input: "https://jch.irif.fr:8443".to_string(),
             connected_address: "".to_string(),
             loaded_fs,
@@ -111,8 +111,8 @@ impl eframe::App for P2PClientApp {
                     todo!();
 
                     self.status_message = format!("✅ Peer connected: {}", addr);
-                    if !self.known_peers.contains(&addr) {
-                        self.known_peers.push(addr);
+                    if !self.known_peers.contains(&(addr, true)) {
+                        self.known_peers.push((addr, true));
                     }
                 }
                 NetworkEvent::PeerListUpdated(peers) => {
@@ -301,7 +301,7 @@ impl eframe::App for P2PClientApp {
                         ui.label("No connection..");
                     }
                     ServerStatus::ConnectedHandshake => {
-                        let str = format!("📡 {}", self.active_server);
+                        let str = format!("📡");
                         ui.label(str);
                     }
                 }
@@ -343,11 +343,18 @@ impl eframe::App for P2PClientApp {
                     } else {
                         for peer in &self.known_peers {
                             let is_active =
-                                self.active_peer.as_ref().map_or(false, |id| id == peer); // if peer.id == self.active_peer_id
-                            let selectable = ui.selectable_label(is_active, format!("{}", peer));
+                                self.active_peer.as_ref().map_or(false, |id| id == &peer.0); // if peer.id == self.active_peer_id
+
+                            let selectable;
+                            if &self.active_server == &peer.0 {
+                                selectable =
+                                    ui.selectable_label(is_active, format!("{} 📡 🌀", peer.0))
+                            } else {
+                                selectable = ui.selectable_label(is_active, format!("{}", peer.0));
+                            }
                             if selectable.clicked() {
                                 // switch to displaying this peer's tree
-                                self.active_peer = Some(peer.clone());
+                                self.active_peer = Some(peer.0.clone());
                                 // Request root content if not loaded
                                 if !self
                                     .loaded_fs
@@ -368,10 +375,10 @@ impl eframe::App for P2PClientApp {
                                             .button("Utiliser le peer en tant que serveur")
                                             .clicked()
                                         {
-                                            self.active_server = peer.to_string();
+                                            self.active_server = peer.0.to_string();
                                             let res = self.network_cmd_tx.send(
                                                 NetworkCommand::ServerHandshake(
-                                                    peer.to_string(),
+                                                    peer.0.to_string(),
                                                     self.connected_address.clone(),
                                                 ),
                                             );

client-network/src/cryptographic_signature.rs

@@ -1,6 +1,5 @@
 use std::io::Read;
 
-use crate::messages_structure::HandshakeMessage;
 use bytes::Bytes;
 use p256::EncodedPoint;
 use p256::ecdsa::{
@@ -109,11 +108,10 @@ pub fn sign_message(crypto_pair: &CryptographicSignature, message: &Vec<u8>) ->
     let digest = Sha256::digest(&message[..7 + msg_length as usize]);
     let signature = crypto_pair.priv_key.sign_prehash_recoverable(&digest);
 
-    let message_length = 12 + msg_length as usize + 32;
+    let message_length = 7 + msg_length as usize + 64;
     let mut signed_message = Vec::with_capacity(message_length);
     println!("{}", message_length);
-    signed_message.extend_from_slice(&message[..8 + msg_length as usize]);
-    signed_message.pop();
+    signed_message.extend_from_slice(&message[..7 + msg_length as usize]);
     println!("signed_tmp:{:?}", signed_message);
     match signature {
         Ok(signature) => {
@@ -124,7 +122,7 @@ pub fn sign_message(crypto_pair: &CryptographicSignature, message: &Vec<u8>) ->
             let s_bytes = s.to_bytes();
             signed_message.extend_from_slice(&r_bytes[..32]);
             signed_message.extend_from_slice(&s_bytes[..32]);
-            println!("signed:{:?}", signed_message);
+            println!("signed:{:?}, len: {}", signed_message, signed_message.len());
             signed_message
         }
         Err(e) => {
@@ -148,10 +146,7 @@ mod tests {
         println!("pubkey : {}", formatted_pubkey);
     }
 
-    ///
-    /// signs a message
-    ///
-    #[test]
+    /*#[test]
     fn signing_message() {
         let username = String::from("gamixtreize");
         let crypto_pair = CryptographicSignature::new(username.clone());
@@ -160,5 +155,5 @@ mod tests {
         let signed_message = sign_message(&crypto_pair, &ser);
         println!("unsigned_message: {:?}", ser);
         println!("signed_message: {:?}", signed_message);
-    }
+    }*/
 }

client-network/src/datum_parsing.rs

@@ -0,0 +1 @@
+fn parse_received_datum(recevied_datum: Vec<u8>) {}

client-network/src/lib.rs

@@ -1,8 +1,10 @@
 mod cryptographic_signature;
 mod data;
+mod datum_parsing;
 mod message_handling;
 mod messages_channels;
 mod messages_structure;
+mod peers_refresh;
 mod registration;
 mod server_communication;
 
@@ -123,7 +125,7 @@ pub enum NetworkEvent {
     Disconnected(),
     Error(String),
     PeerConnected(String),
-    PeerListUpdated(Vec<String>),
+    PeerListUpdated(Vec<(String, bool)>),
     FileTreeReceived(String, Vec<MerkleNode>), // peer_id, content
     DataReceived(String, MerkleNode),
     FileTreeRootReceived(String, String),
@@ -185,6 +187,7 @@ pub fn start_p2p_executor(
                                                 start_receving_thread(
                                                     sd,
                                                     *first, // copie le SocketAddr (implémente Copy pour SocketAddr)
+                                                    event_tx.clone(), //
                                                 );
                                                 register_ip_addresses(
                                                     sd.cryptopair_ref(),
@@ -292,11 +295,11 @@ pub fn start_p2p_executor(
                             match get_peer_list(ip).await {
                                 Ok(body) => match String::from_utf8(body.to_vec()) {
                                     Ok(peers_list) => {
-                                        let mut peers: Vec<String> = Vec::new();
+                                        let mut peers: Vec<(String, bool)> = Vec::new();
                                         let mut current = String::new();
                                         for i in peers_list.chars() {
                                             if i == '\n' {
-                                                peers.push(current.clone());
+                                                peers.push((current.clone(), false));
                                                 current.clear();
                                             } else {
                                                 current.push(i);

client-network/src/message_handling.rs

@@ -4,11 +4,14 @@ use crate::{
         CryptographicSignature, get_peer_key, sign_message, verify_signature,
     },
     messages_channels::MultipleSenders,
-    messages_structure::HandshakeMessage,
+    messages_structure::construct_message,
     registration,
 };
-use std::sync::{Arc, Mutex};
 use std::{collections::HashMap, net::SocketAddr};
+use std::{
+    net::IpAddr,
+    sync::{Arc, Mutex},
+};
 
 pub enum EventType {
     ServerHelloReply,
@@ -16,29 +19,24 @@ pub enum EventType {
     PeerHello,
 }
 
-/*pub fn handle_recevied_message(
-    messages_list: &mut HashMap<i32, EventType>,
-    recevied_message: &Vec<u8>,
-    crypto_pair: &CryptographicSignature,
-    socket_addr: &SocketAddr,
-    senders: &MultipleSenders,
-) {
-    let message_id: [u8; 4] = recevied_message[0..4].try_into().expect("size error");
-    let id = i32::from_be_bytes(message_id);
-    let eventtype = messages_list.get(&id);
-    match eventtype {
-        Some(EventType::ServerHelloReply) => {
-            registration::register_ip_addresses(
-                &crypto_pair,
-                socket_addr.ip().to_string(),
-                &senders,
-                messages_list,
-            );
-        }
-        Some(_) => print!("Not implemented"),
-        None => print!("Message not found"),
-    }
-}*/
+const ID: usize = 4;
+const TYPE: usize = 5;
+const LENGTH: usize = 7;
+const EXTENSIONS: usize = 4;
+const SIGNATURE: usize = 64;
+
+const PING: u8 = 0;
+const OK: u8 = 128;
+const ERROR: u8 = 129;
+const HELLO: u8 = 1;
+const HELLOREPLY: u8 = 130;
+const ROOTREQUEST: u8 = 2;
+const ROOTREPLY: u8 = 131;
+const DATUMREQUEST: u8 = 3;
+const NODATUM: u8 = 133;
+const DATUM: u8 = 132;
+const NATTRAVERSALREQUEST: u8 = 4;
+const NATTRAVERSALREQUEST2: u8 = 5;
 
 pub fn handle_recevied_message(
     messages_list: &Arc<Mutex<HashMap<i32, EventType>>>,
@@ -47,6 +45,8 @@ pub fn handle_recevied_message(
     socket_addr: &SocketAddr,
     senders: &MultipleSenders,
     server_name: &String,
+    cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
+    ip: SocketAddr,
 ) {
     if recevied_message.len() < 4 {
         return;
@@ -55,8 +55,33 @@ pub fn handle_recevied_message(
     let message_id: [u8; 4] = recevied_message[0..4].try_into().expect("size error");
     let id = i32::from_be_bytes(message_id);
 
+    let mut is_resp_to_server_handshake = false;
+
+    if recevied_message[4] == HELLO {
+        let length_bytes: [u8; 2] = recevied_message[TYPE..LENGTH]
+            .try_into()
+            .expect("Taille incorrecte");
+        let msg_length = u16::from_be_bytes(length_bytes) as usize;
+        let ilength = u16::from_be_bytes(length_bytes);
+        let received_name = &recevied_message[LENGTH + EXTENSIONS..LENGTH + ilength as usize];
+        let name = String::from_utf8(received_name.to_vec()).expect("wrong name");
+        if name.clone() == server_name.clone() {
+            is_resp_to_server_handshake = true;
+        }
+    }
+
+    let resp = parse_message(recevied_message.to_vec(), id, crypto_pair, cmd_tx, ip);
+
+    match resp {
+        None => {}
+        Some(resp_msg) => {
+            println!("msg_sent:{:?}", resp_msg);
+            senders.send_via(0, resp_msg, ip.to_string(), is_resp_to_server_handshake);
+        }
+    }
+
     // Lock the mutex to access the HashMap
-    let list = messages_list.lock().unwrap();
+    /*let list = messages_list.lock().unwrap();
 
     let eventtype = list.get(&id); // Clone the enum so we can release the lock if needed
     match eventtype {
@@ -118,5 +143,191 @@ pub fn handle_recevied_message(
             }
             print!("Message not found for ID: {}", id)
         }
+    }*/
+}
+
+pub fn parse_message(
+    received_message: Vec<u8>,
+    id: i32,
+    crypto_pair: &CryptographicSignature,
+    cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
+    ip: SocketAddr,
+) -> Option<Vec<u8>> {
+    let cmd_tx_clone = cmd_tx.clone();
+
+    let id_bytes: [u8; 4] = received_message[0..ID]
+        .try_into()
+        .expect("Taille incorrecte");
+
+    let msgtype = received_message[ID];
+
+    let length_bytes: [u8; 2] = received_message[TYPE..LENGTH]
+        .try_into()
+        .expect("Taille incorrecte");
+
+    let msg_length = u16::from_be_bytes(length_bytes) as usize;
+
+    // verify signature
+    match msgtype {
+        HELLO | HELLOREPLY | ROOTREPLY | NODATUM | NATTRAVERSALREQUEST | NATTRAVERSALREQUEST2 => {
+            let ilength = u16::from_be_bytes(length_bytes);
+            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());
+            match received_username {
+                Ok(username) => {
+                    let peer_pubkey = tokio::runtime::Runtime::new()
+                        .unwrap()
+                        .block_on(get_peer_key(&username))
+                        .expect("failed to retrieve public key");
+                    let signature: [u8; SIGNATURE] = received_message
+                        [LENGTH + msg_length..LENGTH + msg_length + SIGNATURE]
+                        .try_into()
+                        .expect("Taille incorrecte");
+                    if !verify_signature(peer_pubkey, &received_message) {
+                        println!(
+                            "incorrect signature from given peer: {}, ignoring message of type {} with id {}",
+                            &username, received_message[ID], id
+                        );
+                        return None;
                     }
                 }
+                Err(e) => {
+                    println!("incorrect name: {}", e);
+                    return None;
+                }
+            }
+        }
+        _ => {}
+    }
+
+    // Message handling
+    let mut constructed_message: Option<Vec<u8>> = None;
+    match msgtype {
+        // PING
+        //
+        // envoie un OK
+        PING => {
+            constructed_message = construct_message(OK, Vec::new(), id, crypto_pair);
+        }
+        //
+        // OK
+        //
+        // rien ?
+        // si NATTRAVERSALREQUEST alors
+        //
+        // ERROR
+        //
+        // affiche un msg d'erreur
+        ERROR => {
+            if let Ok(err_received) =
+                String::from_utf8(received_message[LENGTH..(msg_length + LENGTH)].to_vec())
+            {
+                let err_msg = format!("Error received from peer {} : {}", ip, err_received);
+                let _ = cmd_tx_clone.send(NetworkEvent::Error(err_msg));
+            } else {
+                let err_msg = format!("Error received from peer {} : N/A", ip,);
+                let _ = cmd_tx_clone.send(NetworkEvent::Error(err_msg));
+            }
+        }
+        // HELLO
+        //
+        // envoie une hello reply
+        //
+        HELLO => {
+            let mut payload = Vec::new();
+
+            payload.extend_from_slice(&0u32.to_be_bytes());
+            payload.extend_from_slice(&crypto_pair.username.clone().as_bytes());
+
+            let helloreply = construct_message(HELLOREPLY, payload, id, crypto_pair);
+
+            return helloreply;
+        }
+        // HELLOREPLY
+        //
+        //
+        // ajoute a la liste des peers handshake
+        HELLOREPLY => {}
+        //
+        // ROOTREQUEST
+        //
+        // envoie un root reply
+        //
+        // ROOTREPLY
+        //
+        // envoie un datum request
+        //
+        // DATUMREQUEST
+        //
+        // envoie le datum
+        //
+        // NODATUM
+        //
+        // affiche un msg d'erreur
+        //
+        // DATUM
+        //
+        // parcourt le directory recu ou le big directory et renvoie une DATUMREQUEST pour chaque
+        // directory ou big directory lu
+        //
+        // NATTRAVERSALREQUEST
+        //
+        // repond OK et envoie un NATTRAVERSALREQUEST2 au pair B
+        //
+        // NATTRAVERSALREQUEST2
+        //
+        // envoie OK à S puis envoie un ping à S
+
+        // PING
+        //
+        // envoie un OK
+        //
+        // OK
+        //
+        // si NATTRAVERSALREQUEST alors
+        //
+        // ERROR
+        //
+        // affiche un msg d'erreur
+        //
+        // HELLO
+        //
+        // envoie une hello reply
+        //
+        // HELLOREPLY
+        //
+        // envoie un root request
+        //
+        // ROOTREQUEST
+        //
+        // envoie un root reply
+        //
+        // ROOTREPLY
+        //
+        // envoie un datum request
+        //
+        // DATUMREQUEST
+        //
+        // envoie le datum
+        //
+        // NODATUM
+        //
+        // affiche un msg d'erreur
+        //
+        // DATUM
+        //
+        // parcourt le directory recu ou le big directory et renvoie une DATUMREQUEST pour chaque
+        // directory ou big directory lu
+        //
+        // NATTRAVERSALREQUEST
+        //
+        // repond OK et envoie un NATTRAVERSALREQUEST2 au pair B
+        //
+        // NATTRAVERSALREQUEST2
+        //
+        // envoie OK à S puis envoie un ping à S
+        _ => return None,
+    }
+    constructed_message
+}

client-network/src/messages_channels.rs

@@ -253,7 +253,11 @@ impl MultipleSenders {
     });
 }*/
 
-pub fn start_receving_thread(shared_data: &P2PSharedData, socket_addr: SocketAddr) {
+pub fn start_receving_thread(
+    shared_data: &P2PSharedData,
+    socket_addr: SocketAddr,
+    cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
+) {
     let sock_clone = shared_data.socket();
     let cryptopair_clone = shared_data.cryptopair();
     let senders_clone = shared_data.senders();
@@ -274,6 +278,8 @@ pub fn start_receving_thread(shared_data: &P2PSharedData, socket_addr: SocketAdd
                         &socket_addr,
                         &senders_clone,
                         &servername_clone,
+                        cmd_tx.clone(),
+                        src,
                     );
                 }
                 Err(e) => eprintln!("Erreur de réception: {}", e),

client-network/src/messages_structure.rs

@@ -1,3 +1,73 @@
+use crate::{
+    cryptographic_signature::{CryptographicSignature, sign_message},
+    server_communication::generate_id,
+};
+
+const ID: usize = 4;
+const TYPE: usize = 5;
+const LENGTH: usize = 7;
+const EXTENSIONS: usize = 4;
+const SIGNATURE: usize = 64;
+
+const PING: u8 = 0;
+const OK: u8 = 128;
+const ERROR: u8 = 129;
+const HELLO: u8 = 1;
+const HELLOREPLY: u8 = 130;
+const ROOTREQUEST: u8 = 2;
+const ROOTREPLY: u8 = 131;
+const DATUMREQUEST: u8 = 3;
+const NODATUM: u8 = 133;
+const DATUM: u8 = 132;
+const NATTRAVERSALREQUEST: u8 = 4;
+const NATTRAVERSALREQUEST2: u8 = 5;
+
+pub fn construct_message(
+    msgtype: u8,
+    payload: Vec<u8>,
+    id: i32,
+    crypto_pair: &CryptographicSignature,
+) -> Option<Vec<u8>> {
+    let mut message = Vec::new();
+
+    // ID
+    // type
+    message.extend_from_slice(&id.to_be_bytes());
+
+    message.push(msgtype);
+
+    match msgtype {
+        HELLO | HELLOREPLY => {
+            // length
+            let a = payload.len() as u16;
+            println!("payload size:{}", a);
+            message.extend_from_slice(&a.to_be_bytes());
+            message.extend_from_slice(&payload);
+            let signature = sign_message(crypto_pair, &message);
+            return Some(signature);
+        }
+        PING | OK => {
+            message.extend_from_slice(&0u16.to_be_bytes());
+            return Some(message);
+        }
+        ERROR | ROOTREQUEST | DATUMREQUEST => {
+            message.extend_from_slice(&payload.len().to_be_bytes());
+            message.extend_from_slice(&payload);
+            return Some(message);
+        }
+        ROOTREPLY | NODATUM | DATUM | NATTRAVERSALREQUEST => {
+            message.extend_from_slice(&payload.len().to_be_bytes());
+            message.extend_from_slice(&payload);
+            let signature = sign_message(crypto_pair, &message);
+            message.extend_from_slice(&signature);
+            return Some(message);
+        }
+
+        _ => {}
+    }
+    None
+}
+
 pub struct UDPMessage {
     id: u32,
     msg_type: u8,
@@ -15,6 +85,8 @@ pub struct HandshakeMessage {
     pub signature: Vec<u8>,
 }
 
+pub struct NatTraversal {}
+
 impl UDPMessage {
     pub fn ping(id: u32) -> UDPMessage {
         UDPMessage {

client-network/src/peers_refresh.rs

@@ -0,0 +1,83 @@
+// this class consists of a thread that will re send  pings every time the first element
+// of the stack is at the correct unix time
+
+use std::{
+    collections::{HashMap, VecDeque},
+    net::{AddrParseError, SocketAddr},
+    ops::Add,
+    process::Command,
+    sync::{Arc, Mutex},
+    thread,
+    time::{self, Duration, SystemTime},
+};
+
+pub struct PeerInfo {
+    username: String,
+    ip: SocketAddr,
+}
+
+pub struct HandshakeHistory {
+    time_k_ip_v: HashMap<u64, u64>,
+    ip_k_peerinfo_v: HashMap<u64, PeerInfo>,
+}
+
+impl HandshakeHistory {
+    pub fn new() -> HandshakeHistory {
+        HandshakeHistory {
+            time_k_ip_v: HashMap::new(),
+            ip_k_peerinfo_v: HashMap::new(),
+        }
+    }
+
+    pub fn update_handshake(&mut self) {
+        thread::spawn(move || {
+            let mut times_to_check = VecDeque::new();
+            let current_time: u64 = SystemTime::now()
+                .duration_since(time::UNIX_EPOCH)
+                .expect("system time before UNIX EPOCH")
+                .add(Duration::from_secs(10))
+                .as_secs();
+            // adds 10 seconds in the queue every 10 seconds
+            loop {
+                let mut child = Command::new("sleep").arg("9").spawn().unwrap();
+                let _result = child.wait().unwrap();
+                for n in 0..9 {
+                    // push 9 successive seconds
+                    times_to_check.push_back(current_time + n);
+                    // gestion d'erreur si verrou mort
+                }
+            }
+        });
+    }
+
+    pub fn add_new_handshake(&mut self, hash: u64, username: String, ip: SocketAddr) {
+        let current_time: u64 = SystemTime::now()
+            .duration_since(time::UNIX_EPOCH)
+            .expect("system time before UNIX EPOCH")
+            .as_secs();
+        println!("time:{}", current_time);
+        /*self.time_k_hash_v.insert(current_time, hash);
+        self.hash_k_peerinfo_v
+            .insert(hash, PeerInfo { username, ip });*/
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::net::{IpAddr, Ipv4Addr};
+
+    use super::*;
+
+    ///
+    /// creates a cryptographic signature
+    ///
+    #[test]
+    fn creating_cryptographic_signature() {
+        let mut hh = HandshakeHistory::new();
+        hh.add_new_handshake(
+            20,
+            "putain".to_string(),
+            SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 1),
+        );
+    }
+}

client-network/src/registration.rs

@@ -4,7 +4,7 @@ use getrandom::Error;
 use crate::cryptographic_signature::{CryptographicSignature, formatPubKey, sign_message};
 use crate::message_handling::EventType;
 use crate::messages_channels::{Message, MultipleSenders};
-use crate::messages_structure::{HandshakeMessage, UDPMessage};
+use crate::messages_structure::construct_message;
 use std::collections::HashMap;
 use std::net::SocketAddr;
 use std::net::UdpSocket;
@@ -73,17 +73,17 @@ pub fn register_ip_addresses(
     messages_list: &Mutex<HashMap<i32, EventType>>,
     id: i32,
 ) {
-    let username_size = crypto_pair.username.len();
-    let hello_handshake = HandshakeMessage::hello(
-        id as u32,
-        username_size as u16 + 4,
-        crypto_pair.username.clone(),
-    );
-    //HandshakeMessage::display(&hello_handshake);
-    let hello_handshake_serialized = hello_handshake.serialize();
-    let message_signed = sign_message(crypto_pair, &hello_handshake_serialized);
-    senders.send_via(0, message_signed, server_uri, false);
-    let mut list = messages_list.lock().expect("Failed to lock messages_list");
+    let mut payload = Vec::new();
+    payload.extend_from_slice(&0u32.to_be_bytes());
+    payload.extend_from_slice(&crypto_pair.username.clone().as_bytes());
+    let hello_handshake = construct_message(1, payload, id, crypto_pair);
+    match hello_handshake {
+        Some(handshake_message) => {
+            senders.send_via(0, handshake_message, server_uri, false);
+        }
+        None => {}
+    }
+    /*let mut list = messages_list.lock().expect("Failed to lock messages_list");
     match list.get(&id) {
         Some(_) => {
             list.remove(&id);
@@ -92,12 +92,13 @@ pub fn register_ip_addresses(
             list.insert(id, EventType::ServerHelloReply);
         }
     }
-    println!("message sent: {}", &id);
+    println!("message sent: {}", &id);*/
     // 3. Perform the insertion
     /*let mut buf = [0u8; 1024];
     socket.recv_from(&mut buf).expect("receive failed");
     let hello_handshake_received = UDPMessage::parse(buf.to_vec());
     hello_handshake_received.display();*/
+    //TODO
 }
 
 #[cfg(test)]

todo.md

@@ -1,8 +1,17 @@
-# Todo : 
+# Todo
+
 ## peer discovery
+
+## handshake
+
+# Todo
+
+## peer discovery
+
 - get rsquest to the uri /peers/
 
 ## registration with the server
+
 - generation of the cryptographic key OK
 - put request to the uri (check if the peer is already connected) OK
 - udp handshakes OK
@@ -10,11 +19,14 @@
 - get request to the uri /peers/key/addresses OK
 
 ## handshake
+
 - handshake structure OK
+
 - 5min timeout after handshake
 - matain connection every 4 min
 
 ## data transfer
+
 - request structure
 - root/root reply structure
 - datum/nodatum and datum structures
@@ -22,14 +34,40 @@
 - setting in gui to act as a relay
 - chunk, directory, big, bigdirectory structures
 
+## fonctionnalités application
+
+## nat traversal
+
+- make hello and helloreply messages set the first extension bit to announce that peer is available for nat traversal
+- implement actual nat traversal requests
+- implement nat traversal :
+  - if hello/helloreply doesnt work with a peer, find a peer that supports nat traversal (server in priority) then begin protocol
+
 fonctionnalités :
 
-s'enregistrer avec le serveur OK
-rechercher un pair
-generer une clé publique OK
 rechercher les fichiers d'un pair
 telechargement des fichiers
 choisir un dossier à partager
-se deconnecter du réseau
+choisir le nombre de canaux
 
-2 channels -> un pour envoyer et un pour recevoir OK
+handshake server DOING
+se deconnecter du réseau DOING
+
+## autre
+
+socket ipv6
+
+# FAIT
+
+- choisir un pseudo OK
+- get rsquest to the uri /peers/ OK
+- generation of the cryptographic key OK
+- put request to the uri (check if the peer is already connected) OK
+- get request to the uri /peers/key to get the public key of a peer OK
+- get request to the uri /peers/key/addresses OK
+- udp handshakes OK
+- handshake structure OK
+- s'enregistrer avec le serveur OK
+- generer une clé publique OK
+- verifier signature OK
+- 2 channels -> un pour envoyer et un pour recevoir OK