tidy

Reviewed-on: #5

client-gui/src/gui_app.rs

@@ -1,18 +1,16 @@
 use client_network::{
     ChunkNode, MerkleNode, MerkleTree, NetworkCommand, NetworkEvent, NodeHash,
-    big_or_chunk_to_file, filename_to_string, generate_base_tree, node_hash_to_hex_string,
+    big_or_chunk_to_file, generate_base_tree, node_hash_to_hex_string, remove_null_bytes,
-    remove_null_bytes,
 };
 use crossbeam_channel::{Receiver, Sender};
 use egui::{
-    Align, Align2, Button, CentralPanel, CollapsingHeader, Context, Id, LayerId, Layout, Order,
+    Align, CentralPanel, CollapsingHeader, Color32, Context, CornerRadius, Frame, Id, Layout,
-    Popup, ScrollArea, SidePanel, TextStyle, TopBottomPanel, Ui, ViewportCommand,
+    ProgressBar, ScrollArea, SidePanel, Stroke, TopBottomPanel, Ui, ViewportCommand,
-    debug_text::print,
 };
+use std::collections::HashMap;
 use std::collections::HashSet;
-use std::{collections::HashMap, fmt::format, io::Seek};
 
-use std::fs::{File, OpenOptions, create_dir};
+use std::fs::{OpenOptions, create_dir};
 
 enum ServerStatus {
     Loading,
@@ -21,23 +19,18 @@ enum ServerStatus {
     ConnectedHandshake,
 }
 
-// --- Main Application Struct ---
 pub struct P2PClientApp {
     remaining: std::time::Duration,  // temps restant
     last_update: std::time::Instant, // pour calculer delta
-    timer_started: bool,
-    // Communication channels
     network_cmd_tx: Sender<NetworkCommand>,
     network_event_rx: Receiver<NetworkEvent>,
 
-    // GUI State
-    status_message: String,
     known_peers: Vec<(String, bool)>,
+    loading_peers: Vec<String>,
     connect_address_input: String,
     connected_address: String,
     connect_name_input: String,
 
-    // Key: Parent Directory Hash (String), Value: List of children FileNode
     loaded_fs: HashMap<String, MerkleTree>,
     shared_tree: MerkleTree,
 
@@ -46,67 +39,76 @@ pub struct P2PClientApp {
 
     server_status: ServerStatus,
 
-    show_network_popup: bool, // gérer selon besoin
+    error_message: Option<(String, String)>, // Some(message) -> afficher, None -> rien
-
+    success_message: Option<(String, String)>, // Some(message) -> afficher, None -> rien
-    error_message: Option<String>, // Some(message) -> afficher, None -> rien
     active_server: String,
 
     current_downloading_file_map: MerkleTree,
     remaining_chunks: HashSet<[u8; 32]>,
+
+    // total number of chunks expected for the current download (set when download starts)
+    current_total_chunks: Option<usize>,
+
+    // number of chunks received so far (count of removed remaining_chunks)
+    current_received_chunks: usize,
+
     root_downloading_file: String,
+    show_network_window: bool,
+    show_choose_server_window: bool,
 }
 
 impl P2PClientApp {
     pub fn new(cmd_tx: Sender<NetworkCommand>, event_rx: Receiver<NetworkEvent>) -> Self {
-        //let (root_hash, tree_content) = MerkleNode::generate_base_tree();
+        let loaded_fs = HashMap::new();
-
+        let current_downloading_file_map = MerkleTree::new(HashMap::new(), [0; 32]);
-        let mut loaded_fs = HashMap::new();
-        let mut current_downloading_file_map = MerkleTree::new(HashMap::new(), [0; 32]);
-        //let tree = MerkleTree::new(tree_content, root_hash);
-        //loaded_fs.insert("bob".to_string(), tree);
 
         Self {
             remaining: std::time::Duration::from_secs(0),
-            timer_started: false,
             last_update: std::time::Instant::now(),
             network_cmd_tx: cmd_tx,
             network_event_rx: event_rx,
-            status_message: "Client Initialized. Awaiting network status...".to_string(),
+            known_peers: Vec::new(),
-            known_peers: vec![("bob".to_string(), true)],
+            loading_peers: Vec::new(),
             connect_address_input: "https://jch.irif.fr:8443".to_string(),
             connected_address: "".to_string(),
             loaded_fs,
             active_peer: None,
             server_status: ServerStatus::NotConnected,
-            show_network_popup: false,
             error_message: None,
+            success_message: None,
             connect_name_input: "bob".to_string(),
             active_server: "".to_string(),
             shared_tree: generate_base_tree(),
             current_downloading_file_map: current_downloading_file_map,
+            current_total_chunks: None,
+            current_received_chunks: 0,
             root_downloading_file: "".to_string(),
             remaining_chunks: HashSet::new(),
+            show_network_window: false,
+            show_choose_server_window: false,
         }
     }
-    pub fn show_error(&mut self, msg: impl Into<String>) {
+    pub fn show_error(&mut self, msg: impl Into<String>, peer_username: impl Into<String>) {
-        self.error_message = Some(msg.into());
+        self.error_message = Some((msg.into(), peer_username.into()));
+    }
+    pub fn show_success(&mut self, msg: impl Into<String>, peer_username: impl Into<String>) {
+        self.success_message = Some((msg.into(), peer_username.into()));
     }
     pub fn clear_error(&mut self) {
         self.error_message = None;
     }
+    pub fn clear_success(&mut self) {
+        self.success_message = None;
+    }
 }
-
-// --- eframe::App Trait Implementation ---
 
 impl eframe::App for P2PClientApp {
     fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) {
-        if matches!(self.server_status, ServerStatus::Connected) && !self.timer_started {
+        if matches!(self.server_status, ServerStatus::Connected) {
             self.remaining = std::time::Duration::from_secs(30 * 60);
             self.last_update = std::time::Instant::now();
-            self.timer_started = true;
         }
 
-        // in update (every frame)
         let now = std::time::Instant::now();
         let delta = now.saturating_duration_since(self.last_update);
         self.last_update = now;
@@ -117,18 +119,8 @@ impl eframe::App for P2PClientApp {
             self.remaining = self.remaining.saturating_sub(delta);
         }
 
-        // 1. Process incoming Network Events
-        // We poll the channel and update the GUI state for every event received.
         while let Ok(event) = self.network_event_rx.try_recv() {
             match event {
-                NetworkEvent::PeerConnected(addr) => {
-                    todo!();
-
-                    self.status_message = format!("✅ Peer connected: {}", addr);
-                    if !self.known_peers.contains(&(addr, true)) {
-                        self.known_peers.push((addr, true));
-                    }
-                }
                 NetworkEvent::RootRequest(addr) => {
                     let root = self.shared_tree.root;
                     let _ = self
@@ -154,8 +146,6 @@ impl eframe::App for P2PClientApp {
                     }
                 }
                 NetworkEvent::PeerListUpdated(peers) => {
-                    //todo!();
-
                     self.known_peers = peers;
                 }
 
@@ -194,16 +184,8 @@ impl eframe::App for P2PClientApp {
                         None => {}
                     }
                 }
-                NetworkEvent::FileTreeRootReceived(peer_id, root_hash) => {
+                NetworkEvent::FileTreeRootReceived(_, root_hash) => {
-                    // todo!();
+                    if let Ok(_) = ChunkNode::new(Vec::new()) {
-
-                    /*self.status_message = format!(
-                        "🔄 Received Merkle Root from {}: {}",
-                        peer_id,
-                        &root_hash[..8]
-                    );*/
-
-                    if let Ok(chunknode) = ChunkNode::new(Vec::new()) {
                         let data_map: HashMap<NodeHash, MerkleNode> = HashMap::new();
                         //data_map.insert(root_hash, MerkleNode::Chunk(chunknode));
                         println!("len root: {}", data_map.len());
@@ -221,17 +203,11 @@ impl eframe::App for P2PClientApp {
 
                         println!("tree created");
                     }
-
-                    //self.active_peer_id = Some(peer_id.clone());
-
-                    // Request the content of the root directory immediately
-                    /*let _ = self
-                    .network_cmd_tx
-                    .send(NetworkCommand::RequestDirectoryContent(peer_id, root_hash));*/
                 }
                 NetworkEvent::Connected(ip) => {
                     self.server_status = ServerStatus::Connected;
                     self.connected_address = ip.clone();
+                    self.show_choose_server_window = true;
                     let _ = self.network_cmd_tx.send(NetworkCommand::FetchPeerList(
                         self.connected_address.clone(),
                     ));
@@ -245,13 +221,16 @@ impl eframe::App for P2PClientApp {
                     self.known_peers.clear();
                     self.server_status = ServerStatus::NotConnected;
                 }
-                NetworkEvent::Error(err) => {
+                NetworkEvent::Error(err, peer_username) => {
-                    self.show_error(err);
+                    self.loading_peers.retain(|s| s != peer_username.as_str());
+                    self.show_error(err, peer_username);
                 }
-                NetworkEvent::InitDownload(hash, ip) => {
+                NetworkEvent::InitDownload(hash, ip, name) => {
                     if let Some(addr) = &self.active_peer {
                         if let Some(roottree) = self.loaded_fs.get(addr) {
                             if let Some(root) = roottree.data.get(&hash) {
+                                self.current_downloading_file_map.root = hash;
+                                self.root_downloading_file = name;
                                 let _ = self
                                     .current_downloading_file_map
                                     .data
@@ -280,63 +259,209 @@ impl eframe::App for P2PClientApp {
                                     true,
                                 ));
                                 self.remaining_chunks.insert(entry);
+                                self.current_total_chunks = Some(self.remaining_chunks.len());
                             }
                             self.remaining_chunks.remove(&hash);
                         }
-                        MerkleNode::Chunk(chunk) => {
+                        MerkleNode::Chunk(_) => {
                             self.remaining_chunks.remove(&hash);
                         }
                         _ => {}
                     }
+
+                    if let Some(total) = self.current_total_chunks {
+                        // recompute received (safer than incrementing)
+                        let received = total.saturating_sub(self.remaining_chunks.len());
+                        self.current_received_chunks = received;
+                    }
+
+                    println!("remaining chunks size: {}", self.remaining_chunks.len());
+                    match create_dir("./Download/") {
+                        Ok(_) => println!("Directory created successfully!"),
+                        Err(e) => println!("Failed to create directory: {}", e),
+                    }
                     if self.remaining_chunks.is_empty() {
+                        let file = OpenOptions::new().append(true).create(true).open(
+                            "./Download/".to_string()
+                                + &remove_null_bytes(&self.root_downloading_file.clone()),
+                        );
+
+                        if let Some(current) = self
+                            .current_downloading_file_map
+                            .data
+                            .get(&self.current_downloading_file_map.root)
+                        {
+                            match file {
+                                Ok(mut fileok) => {
+                                    big_or_chunk_to_file(
+                                        &self.current_downloading_file_map,
+                                        current,
+                                        &mut fileok,
+                                    );
+                                }
+                                Err(e) => {
+                                    eprintln!("error creaation file: {}", e);
+                                }
+                            }
+                        } else {
+                            eprintln!("error root absent");
+                        }
+                        println!("bigfile téléchargé {}", self.root_downloading_file);
+
+                        self.current_total_chunks = None;
+                        self.current_received_chunks = 0;
                         println!("bigfile téléchargé");
                     }
                 }
+                NetworkEvent::Success(msg, peer_username) => {
+                    self.loading_peers.retain(|s| s != peer_username.as_str());
+                    self.show_success(msg, peer_username);
+                }
                 NetworkEvent::HandshakeFailed() => {}
                 NetworkEvent::ServerHandshakeFailed(err) => {
                     self.active_server = "".to_string();
                     self.server_status = ServerStatus::NotConnected;
                     let err_msg = format!("Failed to connect to the server: {}", err);
-                    self.show_error(err_msg);
+                    self.show_error(err_msg, "");
-                    let res = self.network_cmd_tx.send(NetworkCommand::ResetServerPeer());
+                    match self.network_cmd_tx.send(NetworkCommand::ResetServerPeer()) {
+                        Ok(_) => {}
+                        Err(err) => {
+                            println!("GUI Error : {}", err.to_string());
+                        }
+                    };
                 }
             }
         }
 
+        if self.show_choose_server_window {
+            let full_rect = ctx.input(|i| i.content_rect());
+            let modal_size = egui::vec2(400.0, 160.0);
+
+            egui::Area::new(Id::new("modal_blocker_bg"))
+                .order(egui::Order::Background)
+                .show(ctx, |ui| {
+                    let painter = ui.painter();
+                    painter.rect_filled(full_rect, 0.0, egui::Color32::from_black_alpha(160));
+
+                    let sense = egui::Sense::click_and_drag();
+                    ui.allocate_exact_size(full_rect.size(), sense);
+                });
+            egui::Window::new("Choose the server")
+                .resizable(false)
+                .collapsible(false)
+                .title_bar(true)
+                .anchor(egui::Align2::CENTER_CENTER, egui::Vec2::ZERO)
+                .fixed_size(modal_size)
+                .show(ctx, |ui| {
+                    ScrollArea::vertical()
+                        .auto_shrink([false; 2])
+                        .show(ui, |ui| {
+                            ui.style_mut().visuals.widgets.inactive.bg_fill =
+                                ui.style().visuals.widgets.inactive.bg_fill; // no-op to get mutable borrow
+                            if self.known_peers.is_empty() {
+                                ui.add_space(10.0);
+                                ui.label("No active peers.");
+                            } else {
+                                for peer in &self.known_peers {
+                                    let is_active =
+                                        self.active_peer.as_ref().map_or(false, |id| id == &peer.0); // if peer.id == self.active_peer_id
+
+                                    // place spinner to the right of the label
+                                    ui.horizontal(|ui| {
+                                        // Use same width for the label widget as the selectable we already created:
+                                        // Recreate selectable inline so both label and spinner share the same row.
+                                        let resp = if &self.active_server == &peer.0 {
+                                            // draw with frame inline
+                                            let frame = Frame {
+                                                fill: Color32::DARK_BLUE,
+                                                stroke: Stroke::default(),
+                                                corner_radius: CornerRadius::from(0.5),
+                                                ..Default::default()
+                                            };
+                                            frame
+                                                .show(ui, |ui| {
+                                                    ui.selectable_label(
+                                                        is_active,
+                                                        format!("{}", peer.0),
+                                                    )
+                                                })
+                                                .inner
+                                        } else {
+                                            ui.selectable_label(is_active, format!("{}", peer.0))
+                                        };
+
+                                        ui.add_space(4.0); // small gap
+
+                                        // use resp (click handling etc.)
+                                        if resp.clicked() {
+                                            self.active_server = peer.0.to_string();
+                                            match self.network_cmd_tx.send(
+                                                NetworkCommand::ServerHandshake(
+                                                    peer.0.to_string(),
+                                                    self.connected_address.clone(),
+                                                ),
+                                            ) {
+                                                Ok(_) => {}
+                                                Err(e) => {
+                                                    println!("GUI Error : {}", e.to_string());
+                                                }
+                                            };
+                                            ui.close();
+                                            self.show_choose_server_window = false;
+                                        }
+                                    });
+                                }
+                            }
+                        });
+                });
+        }
+
         // 2. Menu Bar
         TopBottomPanel::top("top_panel").show(ctx, |ui| {
             egui::MenuBar::new().ui(ui, |ui| {
                 ui.menu_button("File", |ui| {
-                    if ui.button("Settings").clicked() {
+                    if ui.button("Settings").clicked() {}
-                        //show settings
-                    }
 
                     if ui.button("Quit").clicked() {
-                        // Use ViewportCommand to request a close
                         ctx.send_viewport_cmd(ViewportCommand::Close);
                     }
                 });
 
-                ui.menu_button("Network", |ui| {
+                if ui.button("Network").clicked() {
+                    self.show_network_window = !self.show_network_window;
+                }
+
+                if self.show_network_window {
                     match self.server_status {
                         ServerStatus::Connected | ServerStatus::ConnectedHandshake => {
+                            egui::Window::new("Network")
+                                .resizable(false)
+                                .collapsible(false)
+                                .title_bar(false)
+                                .show(ctx, |ui| {
                                     let desired = egui::vec2(300.0, 0.0); // width 300, auto-height if 0
                                     ui.set_min_size(desired);
                                     ui.vertical(|ui| {
                                         if ui.button("Disconnect").clicked() {
                                             println!("Disconnecting...");
-                                    let _ = self.network_cmd_tx.send(NetworkCommand::Disconnect());
+                                            let _ = self
+                                                .network_cmd_tx
+                                                .send(NetworkCommand::Disconnect());
                                             self.server_status = ServerStatus::NotConnected;
                                             self.remaining = std::time::Duration::from_secs(0);
-                                    self.timer_started = false;
+                                            self.show_network_window = false;
-                                    ui.close();
+                                            self.loaded_fs.clear();
+                                            self.active_peer = None;
                                         }
                                     });
+                                });
                         }
                         ServerStatus::NotConnected => {
-                            let desired = egui::vec2(0.0, 0.0); // width 300, auto-height if 0
+                            egui::Window::new("Network")
-                            ui.set_min_size(desired);
+                                .resizable(false)
-                            ui.vertical(|ui| {
+                                .collapsible(false)
+                                .title_bar(false)
+                                .show(ctx, |ui| {
                                     ui.horizontal(|ui| {
                                         ui.label("Server IP:");
                                         ui.text_edit_singleline(&mut self.connect_address_input);
@@ -348,43 +473,58 @@ impl eframe::App for P2PClientApp {
                                     if ui.button("Connect").clicked() {
                                         let addr = self.connect_address_input.clone();
                                         let name = self.connect_name_input.clone();
-                                    let _ = self
+                                        let _ = self.network_cmd_tx.send(
-                                        .network_cmd_tx
+                                            NetworkCommand::ConnectToServerPut(
-                                        .send(NetworkCommand::ConnectToServerPut(addr, name));
+                                                addr,
+                                                name.to_string(),
+                                            ),
+                                        );
                                         self.server_status = ServerStatus::Loading;
                                         ui.close();
+                                        self.show_network_window = false;
+                                        self.loaded_fs
+                                            .insert(name.to_string(), self.shared_tree.clone());
                                     }
                                 });
                         }
                         _ => {}
                     }
-                });
+                }
             });
         });
 
         TopBottomPanel::bottom("bottom_panel").show(ctx, |ui| {
             ui.horizontal(|ui| {
                 match self.server_status {
-                    ServerStatus::Loading => {
+                    ServerStatus::Loading => ui.spinner(),
-                        ui.spinner();
+                    ServerStatus::Connected => ui.label("Registered but no server peer chosen..."),
+                    ServerStatus::NotConnected => ui.label("No connection.."),
+                    ServerStatus::ConnectedHandshake => ui.label("📡"),
+                };
+
+                ui.add_space(8.0); // small gap
+
+                // desired progress bar width
+                let bar_width = 220.0f32;
+                // push it to the right by adding space equal to remaining width minus bar width
+                let push = (ui.available_width() - bar_width).max(0.0);
+                ui.add_space(push);
+
+                if let Some(total) = self.current_total_chunks {
+                    let received = self.current_received_chunks;
+                    let frac = if total == 0 {
+                        1.0
+                    } else {
+                        received as f32 / total as f32
+                    };
+
+                    ui.add(
+                        ProgressBar::new(frac)
+                            .show_percentage()
+                            .animate(true)
+                            .desired_height(10.0),
+                    );
                 }
-                    ServerStatus::Connected => {
-                        ui.label("Registered but no server peer chosen...");
-                    }
-                    ServerStatus::NotConnected => {
-                        ui.label("No connection..");
-                    }
-                    ServerStatus::ConnectedHandshake => {
-                        let str = format!("📡");
-                        ui.label(str);
-                    }
-                }
-                ui.add_space(ui.available_width() - 30.0);
-                // formater mm:ss
-                let secs = self.remaining.as_secs();
-                let minutes = secs / 60;
-                let seconds = secs % 60;
-                ui.label(format!("{:02}:{:02}", minutes, seconds));
             });
         });
 
@@ -415,7 +555,11 @@ impl eframe::App for P2PClientApp {
                 });
 
                 ui.separator();
-                ScrollArea::vertical().show(ui, |ui| {
+                ScrollArea::vertical()
+                    .auto_shrink([false; 2])
+                    .show(ui, |ui| {
+                        ui.style_mut().visuals.widgets.inactive.bg_fill =
+                            ui.style().visuals.widgets.inactive.bg_fill; // no-op to get mutable borrow
                         if self.known_peers.is_empty() {
                             ui.add_space(10.0);
                             ui.label("No active peers.");
@@ -423,16 +567,52 @@ impl eframe::App for P2PClientApp {
                             for peer in &self.known_peers {
                                 let is_active =
                                     self.active_peer.as_ref().map_or(false, |id| id == &peer.0); // if peer.id == self.active_peer_id
+                                //
+                                if peer.0.eq(&self.connect_name_input) {
+                                    ui.horizontal(|ui| {
+                                        let resp = ui.selectable_label(
+                                            is_active,
+                                            format!("{} (you)", peer.0),
+                                        );
 
-                            let selectable;
+                                        if resp.clicked() {
-                            if &self.active_server == &peer.0 {
+                                            self.active_peer = Some(peer.0.clone());
-                                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
+                                } else {
+                                    // place spinner to the right of the label
+                                    ui.horizontal(|ui| {
+                                        let resp = if &self.active_server == &peer.0 {
+                                            let frame = Frame {
+                                                fill: Color32::DARK_BLUE,
+                                                stroke: Stroke::default(),
+                                                corner_radius: CornerRadius::from(0.5),
+                                                ..Default::default()
+                                            };
+                                            frame
+                                                .show(ui, |ui| {
+                                                    ui.selectable_label(
+                                                        is_active,
+                                                        format!("{}", peer.0),
+                                                    )
+                                                })
+                                                .inner
+                                        } else {
+                                            ui.selectable_label(is_active, format!("{}", peer.0))
+                                        };
+
+                                        ui.add_space(4.0); // small gap
+
+                                        if self.loading_peers.contains(&peer.0) {
+                                            ui.with_layout(
+                                                Layout::right_to_left(Align::Center),
+                                                |ui| {
+                                                    ui.spinner();
+                                                },
+                                            );
+                                        }
+
+                                        if resp.clicked() {
                                             self.active_peer = Some(peer.0.clone());
                                             // Request root content if not loaded
                                             if !self
@@ -440,15 +620,16 @@ impl eframe::App for P2PClientApp {
                                                 .contains_key(self.active_peer.as_ref().unwrap())
                                             {
                                                 //todo!();
-                                    let _ = self.network_cmd_tx.send(NetworkCommand::Discover(
+                                                let _ = self.network_cmd_tx.send(
+                                                    NetworkCommand::Discover(
                                                         peer.0.clone(),
                                                         "root".to_string(),
                                                         self.connected_address.clone(),
-                                    ));
+                                                    ),
+                                                );
                                             }
                                         }
-                            selectable.context_menu(|ui| {
+                                        resp.context_menu(|ui| {
-                                // ... action
                                     match self.server_status {
                                         ServerStatus::Connected => {
                                             if ui
@@ -456,29 +637,40 @@ impl eframe::App for P2PClientApp {
                                                 .clicked()
                                             {
                                                 self.active_server = peer.0.to_string();
-                                            let res = self.network_cmd_tx.send(
+                                                match self.network_cmd_tx.send(
                                                     NetworkCommand::ServerHandshake(
                                                         peer.0.to_string(),
                                                         self.connected_address.clone(),
                                                     ),
-                                            );
+                                                ) {
+                                                Ok(_) => {}
+                                                Err(e) => {
+                                                    println!("GUI Error : {}", e.to_string());
+                                                },
+                                                };
                                             }
                                         }
                                         _ => {}
                                     }
                                     if ui.button("Send Ping").clicked() {
-                                    let res = self.network_cmd_tx.send(NetworkCommand::Ping(
+                                        let _ = self.network_cmd_tx.send(NetworkCommand::Ping(
                                             peer.0.to_string(),
                                             self.connected_address.clone(),
                                         ));
+
+                                        self.loading_peers.push(peer.0.to_owned());
                                     }
                                     if ui.button("Send Nat Traversal Request").clicked() {
-                                    match self.network_cmd_tx.send(NetworkCommand::NatTraversal(
+                                        match self.network_cmd_tx.send(
+                                            NetworkCommand::NatTraversal(
                                                 peer.0.to_string(),
                                                 self.connected_address.clone(),
-                                    )) {
+                                            ),
+                                        ) {
                                             Ok(_) => {
-                                            print!("[+] successfully sent nat traversal request")
+                                                print!(
+                                                    "[+] successfully sent nat traversal request"
+                                                )
                                             }
                                             Err(_) => {
                                                 print!("[-] failed to send nat traversal request")
@@ -492,6 +684,8 @@ impl eframe::App for P2PClientApp {
 
                                     // ... autres boutons
                                 });
+                                    });
+                                }
                             }
                         }
                     });
@@ -508,13 +702,17 @@ impl eframe::App for P2PClientApp {
             ui.separator();
 
             if let Some(active_peer) = &self.active_peer {
-                if let Some(tree) = self.loaded_fs.get(active_peer) {
+                if let Some(tree) = self.loaded_fs.clone().get(active_peer) {
                     ScrollArea::vertical().show(ui, |ui| {
                         // Start drawing the tree from the root hash
                         self.draw_file_tree(ui, tree);
                     });
                 } else {
+                    ui.horizontal(|ui| {
                         ui.label(format!("Loading root for peer: {}", active_peer));
+                        ui.add_space(8.0);
+                        ui.spinner(); // or conditional: if is_loading { ui.spinner(); }
+                    });
                 }
             } else {
                 ui.label("Connect to a peer to view a file tree.");
@@ -533,13 +731,29 @@ impl eframe::App for P2PClientApp {
                 .resizable(false)
                 .anchor(egui::Align2::CENTER_CENTER, [0.0, 0.0])
                 .show(ctx, |ui| {
-                    ui.label(&msg);
+                    ui.label(&msg.1);
+                    ui.label(&msg.0);
                     if ui.button("OK").clicked() {
                         self.clear_error();
                     }
                 });
             ctx.request_repaint();
         }
+        if let Some(msg) = &self.success_message {
+            let msg = msg.clone();
+            egui::Window::new("Success")
+                .collapsible(false)
+                .resizable(false)
+                .anchor(egui::Align2::CENTER_CENTER, [0.0, 0.0])
+                .show(ctx, |ui| {
+                    ui.label(&msg.1);
+                    ui.label(&msg.0);
+                    if ui.button("OK").clicked() {
+                        self.clear_success();
+                    }
+                });
+            ctx.request_repaint();
+        }
 
         ctx.request_repaint_after(std::time::Duration::from_millis(10));
     }
@@ -548,7 +762,7 @@ impl eframe::App for P2PClientApp {
 // --- Helper for Drawing the Recursive File Tree ---
 
 impl P2PClientApp {
-    fn draw_file_tree(&self, ui: &mut Ui, tree: &MerkleTree) {
+    fn draw_file_tree(&mut self, ui: &mut Ui, tree: &MerkleTree) {
         assert!(self.active_peer.is_some());
         assert!(
             self.loaded_fs
@@ -565,7 +779,7 @@ impl P2PClientApp {
     }
 
     fn draw_file_node(
-        &self,
+        &mut self,
         ui: &mut Ui,
         to_draw: NodeHash,
         tree: &MerkleTree,
@@ -633,16 +847,22 @@ impl P2PClientApp {
                             }
                         });
                 }
-                MerkleNode::Big(node) => {
+                MerkleNode::Big(_) => {
                     if ui
                         .selectable_label(false, format!("📄 (B) {}", name))
                         .on_hover_text("Click to request file chunks...")
                         .clicked()
                     {
+                        if let Some(name) = filename {
+                            if let Ok(nameb) = String::from_utf8(name.to_vec()) {
                                 if let Some(addr) = &self.active_peer {
-                            let _ = self
+                                    let _ = self.network_cmd_tx.send(NetworkCommand::InitDownload(
-                                .network_cmd_tx
+                                        to_draw,
-                                .send(NetworkCommand::InitDownload(to_draw, addr.clone()));
+                                        addr.clone(),
+                                        nameb,
+                                    ));
+                                }
+                            }
                         }
                     }
                 }

client-gui/src/main.rs

@@ -32,7 +32,7 @@ async fn main() -> eframe::Result<()> {
     eframe::run_native(
         "p2p-merkle client",
         options,
-        Box::new(|cc| {
+        Box::new(|_| {
             let app = P2PClientApp::new(network_cmd_tx, network_event_rx);
             Ok(Box::new(app))
         }),

client-network/src/cryptographic_signature.rs

@@ -1,11 +1,6 @@
-use std::io::Read;
-
 use bytes::Bytes;
 use p256::EncodedPoint;
-use p256::ecdsa::{
+use p256::ecdsa::{Signature, SigningKey, VerifyingKey, signature::Verifier};
-    Signature, SigningKey, VerifyingKey,
-    signature::{Signer, Verifier},
-};
 use rand_core::OsRng;
 use sha2::{Digest, Sha256};
 
@@ -37,15 +32,6 @@ impl CryptographicSignature {
     }
 }
 
-///
-/// returns a string representing the pub_key as a String
-///
-pub fn formatPubKey(crypto_pair: CryptographicSignature) -> String {
-    let encoded_point = crypto_pair.pub_key.to_encoded_point(false);
-    let pubkey_bytes = encoded_point.as_bytes();
-    hex::encode(pubkey_bytes)
-}
-
 pub async fn get_peer_key(username: &String) -> Result<VerifyingKey, reqwest::Error> {
     let client = reqwest::Client::new();
     let uri = format!("https://jch.irif.fr:8443/peers/{}/key", username);
@@ -126,34 +112,7 @@ pub fn sign_message(crypto_pair: &CryptographicSignature, message: &Vec<u8>) ->
             signed_message
         }
         Err(e) => {
-            panic!("error");
+            panic!("error : {}", e);
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    /*
-    ///
-    /// creates a cryptographic signature
-    ///
-    #[test]
-    fn creating_cryptographic_signature() {
-        let username = String::from("gamixtreize");
-        let crypto_pair = CryptographicSignature::new(username);
-        let formatted_pubkey = formatPubKey(crypto_pair);
-        println!("pubkey : {}", formatted_pubkey);
-    }*/
-
-    /*#[test]
-    fn signing_message() {
-        let username = String::from("gamixtreize");
-        let crypto_pair = CryptographicSignature::new(username.clone());
-        let handshake = HandshakeMessage::hello(0, 12, username);
-        let ser = handshake.serialize();
-        let signed_message = sign_message(&crypto_pair, &ser);
-        println!("unsigned_message: {:?}", ser);
-        println!("signed_message: {:?}", signed_message);
-    }*/
-}

client-network/src/data.rs

@@ -1,14 +1,9 @@
 use rand::{Rng, rng};
 use sha2::{Digest, Sha256};
 use std::collections::HashMap;
-use std::hash::{DefaultHasher, Hash, Hasher};
 
 use std::fs::{File, OpenOptions, create_dir};
-use std::io::{self, Write};
+use std::io::Write;
-
-use std::env;
-
-use crate::data;
 
 // --- Constants ---
 pub const MAX_CHUNK_DATA_SIZE: usize = 1024;
@@ -67,18 +62,12 @@ impl ChunkNode {
     pub fn new_random() -> Self {
         let mut rng = rand::rng();
 
-        // Determine a random length between 1 and MAX_CHUNK_DATA_SIZE (inclusive).
-        // Using +1 ensures the range is up to 1024.
         let random_len = rng.random_range(1..=MAX_CHUNK_DATA_SIZE);
 
-        // Initialize a vector with the random length
         let mut data = vec![0u8; random_len];
 
-        // Fill the vector with random bytes
         rng.fill(&mut data[..]);
 
-        // Since we generated the length based on MAX_CHUNK_DATA_SIZE,
-        // this is guaranteed to be valid and doesn't need to return a Result.
         ChunkNode { data }
     }
 }
@@ -154,8 +143,8 @@ impl MerkleNode {
         match self {
             MerkleNode::Chunk(_) => 0,
             MerkleNode::Directory(_) => 1,
-            MerkleNode::Big(_) => 3,
+            MerkleNode::Big(_) => 2,
-            MerkleNode::BigDirectory(_) => 4,
+            MerkleNode::BigDirectory(_) => 3,
         }
     }
 
@@ -193,17 +182,6 @@ fn hash(data: &[u8]) -> NodeHash {
     println!("root hash: {:?}", root_hash);
     let res: NodeHash = root_hash.try_into().expect("incorrect size");
     res
-    /*let mut hasher = DefaultHasher::new();
-    data.hash(&mut hasher);
-    let hash_u64 = hasher.finish();
-
-    let mut hash_array = [0u8; FILENAME_HASH_SIZE];
-    // Simple way to spread a 64-bit hash across 32 bytes for a unique-ish ID
-    for i in 0..8 {
-        hash_array[i] = (hash_u64 >> (i * 8)) as u8;
-    }
-    hash_array // The rest remains 0, satisfying the 32-byte requirement
-    */
 }
 
 fn generate_random_filename() -> [u8; FILENAME_HASH_SIZE] {
@@ -345,9 +323,9 @@ pub fn generate_base_tree() -> MerkleTree {
     let oscar_content = "oscar is the opponent".to_string().into_bytes();
 
     let mut children_nodes = Vec::new();
-    for i in 0..10 {
+    for _ in 0..10 {
         let mut i_nodes = Vec::new();
-        for j in 0..10 {
+        for _ in 0..10 {
             let node1 = MerkleNode::Chunk(ChunkNode::new(bob_content.clone()).unwrap());
             let hash = hash(&node1.serialize());
             i_nodes.push(hash);
@@ -368,14 +346,14 @@ pub fn generate_base_tree() -> MerkleTree {
     let node2 = MerkleNode::Chunk(ChunkNode::new(alice_content).unwrap());
     let hash2 = hash(&node2.serialize());
 
-    //res.insert(hash1, node1);
+    res.insert(hash1, node1);
-    //res.insert(hash2, node2);
+    res.insert(hash2, node2);
     res.insert(hashbig, bignode);
 
     let node3 = MerkleNode::Chunk(ChunkNode::new(oscar_content).unwrap());
     let hash3 = hash(&node3.serialize());
 
-    //res.insert(hash3, node3);
+    res.insert(hash3, node3);
 
     let dir1 = MerkleNode::Directory(DirectoryNode {
         entries: [DirectoryEntry {
@@ -386,7 +364,7 @@ pub fn generate_base_tree() -> MerkleTree {
     });
     let hash_dir1 = hash(&dir1.serialize());
 
-    //res.insert(hash_dir1, dir1);
+    res.insert(hash_dir1, dir1);
 
     let root = MerkleNode::Directory(DirectoryNode {
         entries: [
@@ -394,14 +372,14 @@ pub fn generate_base_tree() -> MerkleTree {
                 filename: generate_random_filename(),
                 content_hash: hashbig,
             },
-            /*DirectoryEntry {
+            DirectoryEntry {
                 filename: generate_random_filename(),
                 content_hash: hash2,
             },
             DirectoryEntry {
                 filename: generate_random_filename(),
                 content_hash: hash_dir1,
-            },*/
+            },
         ]
         .to_vec(),
     });
@@ -473,50 +451,16 @@ pub fn big_or_chunk_to_file(tree: &MerkleTree, node: &MerkleNode, file: &mut Fil
             }
         }
         MerkleNode::Chunk(chunk) => {
-            println!("wrote data");
+            if !chunk.data.is_empty() {
-            let _ = file.write_all(&chunk.data);
+                let mut data = chunk.data.clone();
+                data.remove(0);
+                let _ = file.write(&data);
+            } else {
+                println!("chunk.data is empty, nothing to write");
+            }
         }
         _ => {
             println!("invalid type of file");
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    ///
-    /// creates a cryptographic signature
-    ///
-    #[test]
-    fn test_saving_tree() {
-        if let Ok(current_dir) = env::current_dir() {
-            println!("Current working directory: {:?}", current_dir);
-        }
-
-        println!("--------- tree test starts ------------");
-
-        match create_dir("../Download/") {
-            Ok(_) => println!("Directory created successfully!"),
-            Err(e) => println!("Failed to create directory: {}", e),
-        }
-        let tree = generate_base_tree();
-
-        println!("--------- test tree created ------------");
-        if let Some(root_node) = tree.data.get(&tree.root) {
-            node_to_file(&tree, root_node, "../Download/".to_string(), 0);
-        }
-    }
-
-    /*#[test]
-    fn signing_message() {
-        let username = String::from("gamixtreize");
-        let crypto_pair = CryptographicSignature::new(username.clone());
-        let handshake = HandshakeMessage::hello(0, 12, username);
-        let ser = handshake.serialize();
-        let signed_message = sign_message(&crypto_pair, &ser);
-        println!("unsigned_message: {:?}", ser);
-        println!("signed_message: {:?}", signed_message);
-    }*/
-}

client-network/src/datum_generation.rs

@@ -1,200 +0,0 @@
-use crate::data::*;
-use rand::{Rng, rng};
-use std::collections::HashMap;
-use std::hash::{DefaultHasher, Hash, Hasher};
-
-fn hash(data: &[u8]) -> NodeHash {
-    let mut hasher = DefaultHasher::new();
-    data.hash(&mut hasher);
-    let hash_u64 = hasher.finish();
-
-    let mut hash_array = [0u8; FILENAME_HASH_SIZE];
-    // Simple way to spread a 64-bit hash across 32 bytes for a unique-ish ID
-    for i in 0..8 {
-        hash_array[i] = (hash_u64 >> (i * 8)) as u8;
-    }
-    hash_array // The rest remains 0, satisfying the 32-byte requirement
-}
-
-fn generate_random_filename() -> [u8; FILENAME_HASH_SIZE] {
-    let mut rng = rand::rng();
-    let mut filename_bytes = [0; FILENAME_HASH_SIZE];
-
-    // Generate a random length for the base name
-    let name_len = rng.random_range(5..21);
-
-    // Generate random alphanumeric characters
-    for i in 0..name_len {
-        let char_code = rng.random_range(97..123); // 'a' through 'z'
-        if i < FILENAME_HASH_SIZE {
-            filename_bytes[i] = char_code as u8;
-        }
-    }
-
-    // Append a common extension
-    let ext = if rng.random_bool(0.5) { ".txt" } else { ".dat" };
-    let ext_bytes = ext.as_bytes();
-    let start_index = name_len.min(FILENAME_HASH_SIZE - ext_bytes.len());
-    if start_index < FILENAME_HASH_SIZE {
-        filename_bytes[start_index..(start_index + ext_bytes.len())].copy_from_slice(ext_bytes);
-    }
-
-    filename_bytes
-}
-
-fn generate_random_file_node(
-    storage: &mut HashMap<NodeHash, MerkleNode>,
-) -> Result<NodeHash, String> {
-    let mut rng = rng();
-    let is_big = rng.random_bool(0.2); // 20% chance of being a big file
-
-    if !is_big {
-        // Generate a simple Chunk Node
-        let node = MerkleNode::Chunk(ChunkNode::new_random());
-        let hash = hash(&node.serialize());
-        storage.insert(hash, node);
-        Ok(hash)
-    } else {
-        // Generate a Big Node (a file composed of chunks)
-        let num_children = rng.random_range(MIN_BIG_CHILDREN..=MAX_BIG_CHILDREN.min(8)); // Limit complexity
-        let mut children_hashes = Vec::with_capacity(num_children);
-
-        for _ in 0..num_children {
-            // Children must be Chunk or Big; for simplicity, we only generate Chunk children here.
-            let chunk_node = MerkleNode::Chunk(ChunkNode::new_random());
-            let chunk_hash = hash(&chunk_node.serialize());
-            storage.insert(chunk_hash, chunk_node);
-            children_hashes.push(chunk_hash);
-        }
-
-        let node = MerkleNode::Big(BigNode::new(children_hashes)?);
-        let hash = hash(&node.serialize());
-        storage.insert(hash, node);
-        Ok(hash)
-    }
-}
-
-fn generate_random_directory_node(
-    depth: u32,
-    max_depth: u32,
-    storage: &mut HashMap<NodeHash, MerkleNode>,
-) -> Result<NodeHash, String> {
-    let mut rng = rng();
-    let current_depth = depth + 1;
-    let is_big_dir = rng.random_bool(0.3) && current_depth < max_depth;
-
-    if !is_big_dir || current_depth >= max_depth {
-        // Generate a simple Directory Node (leaf level directory)
-        let num_entries = rng.random_range(1..=MAX_DIRECTORY_ENTRIES.min(5)); // Limit directory size for testing
-        let mut entries = Vec::with_capacity(num_entries);
-
-        for _ in 0..num_entries {
-            if rng.random_bool(0.7) {
-                // 70% chance of creating a file (Chunk/Big)
-                let file_hash = generate_random_file_node(storage)?;
-                let entry = DirectoryEntry {
-                    filename: generate_random_filename(),
-                    content_hash: file_hash,
-                };
-                entries.push(entry);
-            } else if current_depth < max_depth {
-                // 30% chance of creating a subdirectory
-                let dir_hash = generate_random_directory_node(current_depth, max_depth, storage)?;
-
-                // Create a basic directory entry name
-                let mut filename_bytes = [0; 32];
-                let subdir_name = format!("dir_{}", current_depth);
-                filename_bytes[..subdir_name.len()].copy_from_slice(subdir_name.as_bytes());
-
-                let entry = DirectoryEntry {
-                    filename: filename_bytes,
-                    content_hash: dir_hash,
-                };
-                entries.push(entry);
-            }
-        }
-
-        let node = MerkleNode::Directory(DirectoryNode::new(entries)?);
-        let hash = hash(&node.serialize());
-        storage.insert(hash, node);
-        Ok(hash)
-    } else {
-        // Generate a BigDirectory Node (internal directory structure)
-        let num_children = rng.random_range(MIN_BIG_CHILDREN..=MAX_BIG_CHILDREN.min(4)); // Limit children count
-        let mut children = Vec::with_capacity(num_children);
-
-        for _ in 0..num_children {
-            // Children must be Directory or BigDirectory
-            let child_hash = generate_random_directory_node(current_depth, max_depth, storage)?;
-            children.push(child_hash);
-        }
-
-        let node = MerkleNode::BigDirectory(BigDirectoryNode::new(children)?);
-        let hash = hash(&node.serialize());
-        storage.insert(hash, node);
-        Ok(hash)
-    }
-}
-
-pub fn generate_random_tree(
-    max_depth: u32,
-) -> Result<(NodeHash, HashMap<NodeHash, MerkleNode>), String> {
-    let mut storage = HashMap::new();
-
-    // Start tree generation from the root directory at depth 0
-    let root_hash = generate_random_directory_node(0, max_depth, &mut storage)?;
-
-    Ok((root_hash, storage))
-}
-
-pub fn generate_base_tree() -> (NodeHash, HashMap<NodeHash, MerkleNode>) {
-    let mut res = HashMap::new();
-
-    let node1 = MerkleNode::Chunk(ChunkNode::new_random());
-    let hash1 = hash(&node1.serialize());
-
-    let node2 = MerkleNode::Chunk(ChunkNode::new_random());
-    let hash2 = hash(&node2.serialize());
-
-    res.insert(hash1, node1);
-    res.insert(hash2, node2);
-
-    let node3 = MerkleNode::Chunk(ChunkNode::new_random());
-    let hash3 = hash(&node3.serialize());
-
-    res.insert(hash3, node3);
-
-    let dir1 = MerkleNode::Directory(DirectoryNode {
-        entries: [DirectoryEntry {
-            filename: generate_random_filename(),
-            content_hash: hash3,
-        }]
-        .to_vec(),
-    });
-    let hash_dir1 = hash(&dir1.serialize());
-
-    res.insert(hash_dir1, dir1);
-
-    let root = MerkleNode::Directory(DirectoryNode {
-        entries: [
-            DirectoryEntry {
-                filename: generate_random_filename(),
-                content_hash: hash1,
-            },
-            DirectoryEntry {
-                filename: generate_random_filename(),
-                content_hash: hash2,
-            },
-            DirectoryEntry {
-                filename: generate_random_filename(),
-                content_hash: hash_dir1,
-            },
-        ]
-        .to_vec(),
-    });
-
-    let root_hash = hash(&root.serialize());
-    res.insert(root_hash, root);
-
-    (root_hash, res)
-}

client-network/src/datum_parsing.rs

@@ -1,4 +1,4 @@
-use crate::{BigDirectoryNode, DirectoryEntry, DirectoryNode, MerkleNode, MerkleTree, NodeHash};
+use crate::{BigDirectoryNode, DirectoryEntry, DirectoryNode, MerkleNode, NodeHash};
 use sha2::{Digest, Sha256};
 
 const CHUNK: u8 = 0;
@@ -13,7 +13,24 @@ pub fn parse_received_datum(
     let hash_name: [u8; 32] = recevied_datum[..32].try_into().expect("error");
     let value = &recevied_datum[32..datum_length];
     let value_slice = value.to_vec();
-    println!("valueslice: {:?}, {}", value_slice, value_slice.len());
+
+    println!(
+        "((value_slice.len() - 1) / 32) {} ",
+        ((value_slice.len() - 1) / 32)
+    );
+    // Créer une instance de Sha256
+    let mut hasher = Sha256::new();
+
+    // Alimenter le hasher avec les données
+    hasher.update(value_slice.clone());
+
+    // Obtention du résultat
+    let result = hasher.finalize();
+    if result.to_vec() != hash_name.to_vec() {
+        println!("{:?},{:?}", result.to_vec(), hash_name.to_vec());
+        None
+    } else {
+        println!("hashes equals!");
         let datum_type = value_slice[0];
         match datum_type {
             CHUNK => Some((
@@ -22,7 +39,7 @@ pub fn parse_received_datum(
             )),
             DIRECTORY => {
                 let mut dir_entries = Vec::new();
-            let mut offset = 1 as usize;
+                let mut offset: usize;
                 for i in 0..((value_slice.len() - 1) / 64) as u8 {
                     offset = (1 + 64 * i as usize) as usize;
                     println!("offset:{}, i:{}", offset, i);
@@ -49,18 +66,28 @@ pub fn parse_received_datum(
                 }
             }
             BIG => {
+                let mut bigdir_entries: Vec<NodeHash> = Vec::new();
+                let mut offset: usize;
+                for i in 0..((value_slice.len() - 1) / 32) as u8 {
+                    offset = (1 + 32 * i as usize) as usize;
+                    println!("offset:{}, i:{}", offset, i);
+                    let hash = &value_slice[offset..offset + 32];
+
+                    // envoyer un datum request
+                    bigdir_entries.push(hash.try_into().expect("incorrect size"));
+                }
+
                 println!("its a BIG bro");
-            let chlidren: Vec<NodeHash> = Vec::new();
                 Some((
                     hash_name,
                     MerkleNode::Big(crate::BigNode {
-                    children_hashes: chlidren,
+                        children_hashes: bigdir_entries,
                     }),
                 ))
             }
             BIGDIRECTORY => {
                 let mut bigdir_entries: Vec<NodeHash> = Vec::new();
-            let mut offset = 1 as usize;
+                let mut offset: usize;
                 for i in 0..((value_slice.len() - 1) / 32) as u8 {
                     offset = (1 + 32 * i as usize) as usize;
                     println!("offset:{}, i:{}", offset, i);
@@ -82,3 +109,4 @@ pub fn parse_received_datum(
             _ => None,
         }
     }
+}

client-network/src/fetchsocketaddresserror.rs

@@ -0,0 +1,26 @@
+use std::fmt;
+
+#[derive(Debug)]
+pub enum FetchSocketAddressError {
+    NoIPV4Address,
+    NoRegisteredAddresses,
+    NoResponseFromUser,
+    ClientError(String),
+}
+
+impl fmt::Display for FetchSocketAddressError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            FetchSocketAddressError::NoIPV4Address => write!(f, "No IPv4 Address registered."),
+            FetchSocketAddressError::NoRegisteredAddresses => {
+                write!(f, "No Registered Addresses found.")
+            }
+            FetchSocketAddressError::NoResponseFromUser => {
+                write!(f, "No Response from user after contact.")
+            }
+            FetchSocketAddressError::ClientError(error) => {
+                write!(f, "Client error : {}", error)
+            }
+        }
+    }
+}

client-network/src/lib.rs

@@ -1,7 +1,7 @@
 mod cryptographic_signature;
 mod data;
-mod datum_generation;
 mod datum_parsing;
+mod fetchsocketaddresserror;
 mod message_handling;
 mod messages_channels;
 mod messages_structure;
@@ -9,27 +9,27 @@ mod peers_refresh;
 mod registration;
 mod server_communication;
 mod threads_handling;
+mod timestamp;
 
+use crate::fetchsocketaddresserror::FetchSocketAddressError;
 use crate::messages_structure::ROOTREPLY;
 use crate::peers_refresh::*;
+use crate::timestamp::Timestamp;
 use crate::{
     cryptographic_signature::CryptographicSignature,
     message_handling::EventType,
     messages_channels::{MultipleSenders, start_receving_thread, start_retry_thread},
     messages_structure::{
-        DATUM, DATUMREQUEST, NATTRAVERSALREQUEST, NATTRAVERSALREQUEST2, NODATUM, PING, ROOTREQUEST,
+        DATUM, DATUMREQUEST, NATTRAVERSALREQUEST, NODATUM, PING, ROOTREQUEST, construct_message,
-        construct_message,
     },
     peers_refresh::HandshakeHistory,
     registration::{parse_addresses, perform_handshake, register_with_the_server},
     server_communication::{generate_id, get_peer_list},
     threads_handling::Worker,
 };
-use std::collections::HashSet;
 use std::{
-    clone,
     io::Error,
-    net::{IpAddr, Ipv4Addr, UdpSocket},
+    net::{IpAddr, UdpSocket},
     time::Duration,
 };
 use std::{
@@ -41,15 +41,17 @@ pub struct P2PSharedData {
     shared_socket: Arc<UdpSocket>,
     shared_cryptopair: Arc<CryptographicSignature>,
     shared_messageslist: Arc<Mutex<HashMap<i32, EventType>>>,
+    shared_messagesreceived: Arc<Mutex<HashMap<String, (EventType, Timestamp)>>>,
     shared_senders: Arc<MultipleSenders>,
     server_name: Arc<Mutex<String>>,
+    server_address: Arc<Mutex<String>>,
     handshake_peers: Arc<HandshakeHistory>,
     threads: Vec<Worker>,
 }
 
 use bytes::Bytes;
-use p256::pkcs8::der::pem::Base64Encoder;
 use reqwest::Client;
+use tokio::time::sleep;
 
 impl P2PSharedData {
     pub fn new(
@@ -57,26 +59,37 @@ impl P2PSharedData {
         cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
     ) -> Result<P2PSharedData, Error> {
         let messages_list = HashMap::<i32, EventType>::new();
+        let messagesrecv_list = HashMap::<String, (EventType, Timestamp)>::new();
         let username = String::from(username);
         let crypto_pair = CryptographicSignature::new(username);
         let socket = UdpSocket::bind("0.0.0.0:0")?;
         let shared_socket = Arc::new(socket);
         let shared_cryptopair = Arc::new(crypto_pair);
         let shared_messageslist = Arc::new(Mutex::new(messages_list));
+        let shared_messagesreceived = Arc::new(Mutex::new(messagesrecv_list));
 
         let mut threads = Vec::new();
 
-        let senders = MultipleSenders::new(1, &shared_socket, cmd_tx, &mut threads);
+        let senders = MultipleSenders::new(
+            5,
+            &shared_socket,
+            cmd_tx,
+            &mut threads,
+            shared_messageslist.clone(),
+        );
         let shared_senders = Arc::new(senders);
         let server_name = Arc::new(Mutex::new("".to_string()));
+        let server_address = Arc::new(Mutex::new("".to_string()));
         let handhsake_peers = Arc::new(HandshakeHistory::new());
 
         Ok(P2PSharedData {
             shared_socket: shared_socket,
             shared_cryptopair: shared_cryptopair,
             shared_messageslist: shared_messageslist,
+            shared_messagesreceived: shared_messagesreceived,
             shared_senders: shared_senders,
             server_name: server_name,
+            server_address: server_address,
             handshake_peers: handhsake_peers,
             threads,
         })
@@ -91,14 +104,31 @@ impl P2PSharedData {
     pub fn messages_list(&self) -> Arc<Mutex<HashMap<i32, EventType>>> {
         self.shared_messageslist.clone()
     }
+    pub fn messages_received(&self) -> Arc<Mutex<HashMap<String, (EventType, Timestamp)>>> {
+        self.shared_messagesreceived.clone()
+    }
     pub fn servername(&self) -> String {
-        let guard = self.server_name.lock().unwrap();
+        let guard = {
+            let maybe_sn = self.server_name.lock().unwrap();
+            maybe_sn.clone()
+        };
+        guard.to_string()
+    }
+    pub fn serveraddress(&self) -> String {
+        let guard = {
+            let maybe_sn = self.server_address.lock().unwrap();
+            maybe_sn.clone()
+        };
         guard.to_string()
     }
     pub fn set_servername(&self, new: String) {
         let mut guard = self.server_name.lock().unwrap();
         *guard = new
     }
+    pub fn set_serveraddress(&self, new: String) {
+        let mut guard = self.server_address.lock().unwrap();
+        *guard = new
+    }
     pub fn senders(&self) -> Arc<MultipleSenders> {
         self.shared_senders.clone()
     }
@@ -116,6 +146,10 @@ impl P2PSharedData {
         &*self.shared_messageslist
     }
 
+    pub fn messages_received_ref(&self) -> &Mutex<HashMap<String, (EventType, Timestamp)>> {
+        &*self.shared_messagesreceived
+    }
+
     pub fn senders_ref(&self) -> &MultipleSenders {
         &*self.shared_senders
     }
@@ -154,7 +188,7 @@ pub enum NetworkCommand {
     SendDatum(MerkleNode, [u8; 32], String),
     SendNoDatum(Vec<u8>, String),
     SendRootReply(Vec<u8>, String),
-    InitDownload([u8; 32], String),
+    InitDownload([u8; 32], String, String),
     // ...
 }
 
@@ -163,8 +197,8 @@ pub enum NetworkEvent {
     Connected(String),
     ConnectedHandshake(),
     Disconnected(),
-    Error(String),
+    Error(String, String),
-    PeerConnected(String),
+    Success(String, String),
     PeerListUpdated(Vec<(String, bool)>),
     FileTreeReceived([u8; 32], MerkleNode, String), // peer_id, content
     DataReceived([u8; 32], MerkleNode, String),
@@ -173,7 +207,7 @@ pub enum NetworkEvent {
     ServerHandshakeFailed(String),
     DatumRequest([u8; 32], String),
     RootRequest(String),
-    InitDownload([u8; 32], String),
+    InitDownload([u8; 32], String, String),
     // ...
 }
 
@@ -184,17 +218,12 @@ use crossbeam_channel::{Receiver, Sender};
 use sha2::{Digest, Sha256};
 
 pub fn calculate_chunk_id(data: &[u8]) -> String {
-    // 1. Create a new Sha256 hasher instance
     let mut hasher = Sha256::new();
 
-    // 2. Write the input data into the hasher
     hasher.update(data);
 
-    // 3. Finalize the hash computation and get the resulting bytes
     let hash_bytes = hasher.finalize();
 
-    // 4. Convert the hash bytes (array of u8) into a hexadecimal string
-    // This is the common, human-readable format for cryptographic IDs.
     hex::encode(hash_bytes)
 }
 
@@ -203,22 +232,21 @@ pub fn start_p2p_executor(
     event_tx: Sender<NetworkEvent>,
     mut shared_data: Option<P2PSharedData>,
 ) -> tokio::task::JoinHandle<()> {
-    // Use tokio to spawn the asynchronous networking logic
     tokio::task::spawn(async move {
-        // P2P/Networking Setup goes here
-
         println!("Network executor started.");
 
         // Main network loop
         loop {
-            // Check for commands from the GUI
             if let Ok(cmd) = cmd_rx.try_recv() {
                 match cmd {
-                    NetworkCommand::InitDownload(hash, ip) => {
+                    NetworkCommand::InitDownload(hash, ip, name) => {
                         if let Some(sd) = shared_data.as_ref() {
                             if let Some(res) = sd.handshake_peers.get_peer_info_username(ip) {
-                                let _ = event_tx
+                                let _ = event_tx.send(NetworkEvent::InitDownload(
-                                    .send(NetworkEvent::InitDownload(hash, res.ip.to_string()));
+                                    hash,
+                                    res.ip.to_string(),
+                                    name.to_string(),
+                                ));
                             }
                         }
                     }
@@ -234,12 +262,8 @@ pub fn start_p2p_executor(
                                 None => {}
                                 Some(resp_msg) => {
                                     println!("msg_sent:{:?}", resp_msg);
-                                    sd.senders_ref().send_dispatch(
+                                    sd.senders_ref()
-                                        resp_msg,
+                                        .send_dispatch(resp_msg, addr.clone(), false);
-                                        addr.clone(),
-                                        false,
-                                        sd.messages_list(),
-                                    );
                                 }
                             }
                         }
@@ -256,12 +280,8 @@ pub fn start_p2p_executor(
                                 None => {}
                                 Some(resp_msg) => {
                                     println!("msg_sent:{:?}", resp_msg);
-                                    sd.senders_ref().send_dispatch(
+                                    sd.senders_ref()
-                                        resp_msg,
+                                        .send_dispatch(resp_msg, addr.clone(), false);
-                                        addr.clone(),
-                                        false,
-                                        sd.messages_list(),
-                                    );
                                 }
                             }
                         }
@@ -279,12 +299,8 @@ pub fn start_p2p_executor(
                                 None => {}
                                 Some(resp_msg) => {
                                     println!("msg_sent:{:?}", resp_msg);
-                                    sd.senders_ref().send_dispatch(
+                                    sd.senders_ref()
-                                        resp_msg,
+                                        .send_dispatch(resp_msg, addr.clone(), false);
-                                        addr.clone(),
-                                        false,
-                                        sd.messages_list(),
-                                    );
                                 }
                             }
                         }
@@ -305,27 +321,70 @@ pub fn start_p2p_executor(
                                 sd.messages_list(),
                                 sd.handshake_peers.get_username_peerinfo_map(),
                             );
+                            let server_address = {
+                                match get_server_address(username.to_owned(), ip.to_owned()).await {
+                                    Some(addr) => addr.to_string(),
+                                    None => {
+                                        match event_tx.send(NetworkEvent::Error(
+                                            "Couldn't fetch server socket address.".to_owned(),
+                                            username.to_owned(),
+                                        )) {
+                                            Ok(_) => {}
+                                            Err(e) => {
+                                                println!("Network Event Error : {}", e.to_string());
+                                            }
+                                        }
+                                        "".to_owned()
+                                    }
+                                }
+                            };
+                            if server_address.to_owned().eq(&"".to_owned()) {
+                                continue;
+                            }
 
-                            let res =
+                            sd.set_servername(username.to_owned());
-                                perform_handshake(&sd, username, ip, event_tx.clone(), true).await;
+                            sd.set_serveraddress(server_address.to_string());
+                            println!("SET SERVERADDRESS");
+
+                            match perform_handshake(
+                                &sd,
+                                username.to_owned(),
+                                ip,
+                                event_tx.clone(),
+                                (true, server_address.to_string()),
+                            )
+                            .await
+                            {
+                                true => {
+                                    match event_tx.send(NetworkEvent::Success(
+                                        "Handshake established ✔️".to_string(),
+                                        username.to_owned(),
+                                    )) {
+                                        Ok(_) => {}
+                                        Err(err) => {
+                                            println!("Network Event Error : {}", err.to_string());
+                                        }
+                                    };
+                                }
+                                false => {}
+                            };
                         } else {
                             println!("no shared data");
                         }
                     }
-                    NetworkCommand::ConnectPeer((username, connected)) => {
+                    NetworkCommand::ConnectPeer((username, _)) => {
                         println!("[Network] ConnectPeer() called");
                         println!("[Network] Attempting to connect to: {}", username);
-                        // Network logic to connect...
-                        // If successful, send an event back:
-                        // event_tx.send(NetworkEvent::PeerConnected(addr)).unwrap();
                     }
                     NetworkCommand::RequestFileTree(_) => {
                         println!("[Network] RequestFileTree() called");
                     }
-                    NetworkCommand::Discover(username, hash, ip) => {
+                    NetworkCommand::Discover(username, _, ip) => {
                         // envoie un handshake au peer, puis un root request
                         if let Some(sd) = shared_data.as_ref() {
-                            let res = sd.handshake_peers.get_peer_info_username(username.clone());
+                            let res = sd
+                                .handshake_peers
+                                .get_peer_info_username(username.to_owned());
                             match res {
                                 Some(peerinfo) => {
                                     let id = generate_id();
@@ -353,21 +412,37 @@ pub fn start_p2p_executor(
                                                 resp_msg,
                                                 peerinfo.ip.to_string(),
                                                 false,
-                                                sd.messages_list(),
                                             );
                                         }
                                     }
                                 }
                                 None => {
                                     // envoyer un handshake
-                                    let res = perform_handshake(
+                                    match perform_handshake(
                                         &sd,
-                                        username,
+                                        username.to_owned(),
                                         ip,
                                         event_tx.clone(),
-                                        false,
+                                        (false, "".to_string()),
                                     )
-                                    .await;
+                                    .await
+                                    {
+                                        true => {
+                                            match event_tx.send(NetworkEvent::Success(
+                                                "Handshake established ✔️".to_string(),
+                                                username.to_owned(),
+                                            )) {
+                                                Ok(_) => {}
+                                                Err(err) => {
+                                                    println!(
+                                                        "Network Event Error : {}",
+                                                        err.to_string()
+                                                    );
+                                                }
+                                            };
+                                        }
+                                        false => {}
+                                    }
                                 }
                             }
                         } else {
@@ -400,12 +475,7 @@ pub fn start_p2p_executor(
                                         false,
                                     );
 
-                                    sd.senders_ref().send_dispatch(
+                                    sd.senders_ref().send_dispatch(resp_msg, ip.clone(), false);
-                                        resp_msg,
-                                        ip.clone(),
-                                        false,
-                                        sd.messages_list(),
-                                    );
                                 }
                             }
                         }
@@ -426,8 +496,18 @@ pub fn start_p2p_executor(
                             Err(e) => {
                                 let mut err_msg = String::from("failed to initialize socket: ");
                                 err_msg += &e.to_string();
-                                let res = event_tx.send(NetworkEvent::Error(err_msg));
+                                match event_tx.send(NetworkEvent::Error(err_msg, name.to_owned())) {
-                                let res = event_tx.send(NetworkEvent::Disconnected());
+                                    Ok(_) => {}
+                                    Err(err) => {
+                                        println!("Network Event Error : {}", err.to_string());
+                                    }
+                                };
+                                match event_tx.send(NetworkEvent::Disconnected()) {
+                                    Ok(_) => {}
+                                    Err(err) => {
+                                        println!("Network Event Error : {}", err.to_string());
+                                    }
+                                };
                                 None
                             }
                         };
@@ -436,30 +516,41 @@ pub fn start_p2p_executor(
                             if let Err(e) = register_with_the_server(&sd.cryptopair(), &ip).await {
                                 let mut err_msg = String::from("request failed: ");
                                 err_msg += &e.to_string();
-                                let res = event_tx.send(NetworkEvent::Error(err_msg));
+                                match event_tx.send(NetworkEvent::Error(err_msg, name.to_owned())) {
-                                let res = event_tx.send(NetworkEvent::Disconnected());
+                                    Ok(_) => {}
+                                    Err(err) => {
+                                        println!("Network Event Error : {}", err.to_string());
+                                    }
+                                };
+                                match event_tx.send(NetworkEvent::Disconnected()) {
+                                    Ok(_) => {}
+                                    Err(err) => {
+                                        println!("Network Event Error : {}", err.to_string());
+                                    }
+                                };
                             } else {
-                                let res = event_tx.send(NetworkEvent::Connected(ip));
+                                match event_tx.send(NetworkEvent::Connected(ip)) {
+                                    Ok(_) => {}
+                                    Err(err) => {
+                                        println!("Network Event Error : {}", err.to_string());
+                                    }
+                                };
                                 println!("username created: {}", sd.cryptopair().username);
                             }
-                            //println!("ip: {}", ip);
                         }
-
-                        //tokio::time::sleep(std::time::Duration::from_millis(5000)).await;
-
-                        /*let res = event_tx.send(NetworkEvent::Connected());
-                        if let Some(error) = res.err() {
-                            println!(
-                                "[Network] Couldn't send crossbeam message to GUI: {}",
-                                error.to_string()
-                            );
-                        }*/
                     }
                     NetworkCommand::FetchPeerList(ip) => {
+                        println!("[Network] FetchPeerList() called");
                         if ip == "" {
-                            let res = event_tx.send(NetworkEvent::Error(
+                            match event_tx.send(NetworkEvent::Error(
                                 "Not registered to any server".to_string(),
-                            ));
+                                "".to_owned(),
+                            )) {
+                                Ok(_) => {}
+                                Err(err) => {
+                                    println!("Network Event Error : {}", err.to_string());
+                                }
+                            };
                         } else {
                             println!("cc");
                             match get_peer_list(ip).await {
@@ -475,58 +566,72 @@ pub fn start_p2p_executor(
                                                 current.push(i);
                                             }
                                         }
-                                        let res =
+                                        match event_tx.send(NetworkEvent::PeerListUpdated(peers)) {
-                                            event_tx.send(NetworkEvent::PeerListUpdated(peers));
+                                            Ok(_) => {}
+                                            Err(err) => {
+                                                println!(
+                                                    "Network Event Error : {}",
+                                                    err.to_string()
+                                                );
+                                            }
+                                        };
                                     }
                                     Err(e) => {
                                         eprintln!("invalid UTF-8 in socket address bytes: {}", e);
                                     }
                                 },
-                                Err(e) => println!("error"),
+                                Err(e) => println!("error : {}", e),
                             }
                         }
-                        println!("[Network] FetchPeerList() called");
                     }
                     NetworkCommand::RegisterAsPeer(_) => {
                         println!("[Network] RegisterAsPeer() called");
                     }
                     NetworkCommand::Ping(str, ip) => {
+                        println!("[Network] Ping({}) called", str);
                         if let Some(sd) = shared_data.as_ref() {
                             let id = generate_id();
                             sd.add_message(id, EventType::Ping);
-                            let pingrequest =
+                            let peer_address =
-                                construct_message(PING, Vec::new(), id, sd.cryptopair_ref());
+                                get_socket_address(str.to_owned(), ip, shared_data.as_ref()).await;
-                            let peer_address = get_socket_address(str, ip).await;
                             match peer_address {
-                                Some(addr) => {
+                                Ok(addr) => {
-                                    if let Some(ping) = pingrequest {
+                                    match event_tx.send(NetworkEvent::Success(
-                                        sd.senders_ref().add_message_to_retry_queue(
+                                        format!(
-                                            ping.clone(),
+                                            "Successfully sent ping message to {}.",
                                             addr.to_string(),
-                                            false,
+                                        ),
-                                        );
+                                        str.to_owned(),
-                                        sd.senders_ref().send_dispatch(
+                                    )) {
-                                            ping,
+                                        Ok(_) => {}
-                                            addr.to_string(),
+                                        Err(e) => {
-                                            false,
+                                            eprintln!("NetworkEvent error : {}", e);
-                                            sd.messages_list(),
+                                        }
-                                        );
+                                    };
+                                }
+                                Err(err_msg) => {
+                                    match event_tx
+                                        .send(NetworkEvent::Error(err_msg.to_string(), str))
+                                    {
+                                        Ok(_) => {}
+                                        Err(e) => {
+                                            eprintln!("NetworkEvent error : {}", e);
                                         }
                                     }
-                                None => {
-                                    let err_msg =
-                                        format!("failed to retreive socket address:").to_string();
-                                    let res = event_tx.send(NetworkEvent::Error(err_msg));
                                 }
                             }
                         }
-                        println!("[Network] Ping() called");
                     }
                     NetworkCommand::Disconnect() => {
                         if let Some(sd) = shared_data.as_ref() {
                             println!("Disconnecting: {}", &sd.cryptopair().username);
                             shared_data = None;
-                            let res = event_tx.send(NetworkEvent::Disconnected());
+                            match event_tx.send(NetworkEvent::Disconnected()) {
+                                Ok(_) => {}
+                                Err(e) => {
+                                    eprintln!("NetworkEvent error : {}", e);
+                                }
+                            }
                         } else {
                             println!("no p2p data");
                         }
@@ -542,14 +647,16 @@ pub fn start_p2p_executor(
                         if let Some(sd) = shared_data.as_ref() {
                             println!("username:{}, ip:{}", username, ip);
                             // user server to send nattraversal request
-                            let server_addr_query =
+                            let server_addr = sd.serveraddress();
-                                get_socket_address(sd.servername().clone(), ip.clone());
+                            let peer_addr_query = get_socket_address(
-                            let peer_addr_query = get_socket_address(username.clone(), ip.clone());
+                                username.clone(),
+                                ip.clone(),
+                                shared_data.as_ref(),
+                            );
 
-                            match server_addr_query.await {
+                            match peer_addr_query.await {
-                                Some(server_addr) => match peer_addr_query.await {
+                                Ok(peer_addr) => {
-                                    Some(peer_addr) => {
+                                    let payload = socket_addr_to_vec(peer_addr);
-                                        let payload = socket_addr_to_vec(server_addr);
 
                                     print!("{:?}", payload.clone());
 
@@ -568,19 +675,17 @@ pub fn start_p2p_executor(
                                         ),
                                         server_addr.to_string(),
                                         false,
-                                            sd.messages_list(),
                                     );
                                 }
-                                    None => {
+                                Err(err_msg) => {
-                                        let err_msg = format!("failed to retreive socket address")
+                                    match event_tx
-                                            .to_string();
+                                        .send(NetworkEvent::Error(err_msg.to_string(), username))
-                                        let res = event_tx.send(NetworkEvent::Error(err_msg));
+                                    {
+                                        Ok(_) => {}
+                                        Err(e) => {
+                                            eprintln!("NetworkEvent error : {}", e);
+                                        }
                                     }
-                                },
-                                None => {
-                                    let err_msg =
-                                        format!("failed to retreive socket address").to_string();
-                                    let res = event_tx.send(NetworkEvent::Error(err_msg));
                                 }
                             }
                         }
@@ -588,13 +693,7 @@ pub fn start_p2p_executor(
                 }
             }
 
-            // 2. Poll network for new events (e.g., an incoming connection)
+            sleep(std::time::Duration::from_millis(50)).await;
-            // ...
-            // When a new peer is found:
-            // event_tx.send(NetworkEvent::PeerConnected("NewPeerID".to_string())).unwrap();
-
-            // Avoid spinning too fast
-            tokio::time::sleep(std::time::Duration::from_millis(50)).await;
         }
     })
 }
@@ -608,27 +707,133 @@ fn socket_addr_to_vec(addr: SocketAddr) -> Vec<u8> {
     v
 }
 
-fn parse_pack(s: &str) -> Option<[u8; 6]> {
+async fn quick_ping(addr: &SocketAddr, timeout_ms: u64, sd: &P2PSharedData) -> bool {
-    // split into "ip" and "port"
+    let id = generate_id();
-    let mut parts = s.rsplitn(2, ':');
+    let pingreq = construct_message(PING, Vec::new(), id, &sd.shared_cryptopair);
-    let port_str = parts.next()?;
-    let ip_str = parts.next()?; // if missing, invalid
 
-    let ip: Ipv4Addr = ip_str.parse().ok()?;
+    if let Some(ping) = pingreq {
-    let port: u16 = port_str.parse().ok()?;
+        sd.add_message(id, EventType::Ping);
+        sd.senders_ref()
+            .send_dispatch(ping, addr.to_string(), false);
+    }
 
-    let octets = ip.octets();
+    sleep(Duration::from_millis(timeout_ms)).await;
-    let port_be = port.to_be_bytes();
+
-    Some([
+    let msg_list = sd.messages_list_ref().lock().expect("yooo");
-        octets[0], octets[1], octets[2], octets[3], port_be[0], port_be[1],
+    let res = !msg_list.contains_key(&id);
-    ])
+
+    for (id, evt) in msg_list.iter() {
+        println!("id : {}, evt : {}", id, evt.to_string());
+    }
+    println!("message list doesnt contain key? {}", res);
+
+    res
 }
 
 ///
 /// sends a get request to the server to get the socket address of the given peer
 ///
+pub async fn get_socket_address(
+    username: String,
+    ip: String,
+    shared_data: Option<&P2PSharedData>,
+) -> Result<SocketAddr, FetchSocketAddressError> {
+    let sd = shared_data.expect("No shared data");
 
-pub async fn get_socket_address(username: String, ip: String) -> Option<SocketAddr> {
+    let client = match Client::builder().timeout(Duration::from_secs(5)).build() {
+        Ok(c) => c,
+        Err(e) => {
+            return Err(FetchSocketAddressError::ClientError(e.to_string()));
+        }
+    };
+
+    let uri = format!("{}/peers/{}/addresses", ip, username);
+    let res = match client.get(&uri).send().await {
+        Ok(r) => r,
+        Err(e) => return Err(FetchSocketAddressError::ClientError(e.to_string())),
+    };
+
+    if res.status().is_success() {
+        println!("Successfully retrieved the addresses. {}", res.status());
+    } else {
+        eprintln!(
+            "Failed to get the peers addresses from the server. Status: {}",
+            res.status()
+        );
+    }
+
+    let body = match res.bytes().await {
+        Ok(b) => b,
+        Err(e) => {
+            return Err(FetchSocketAddressError::ClientError(e.to_string()));
+        }
+    };
+
+    let s = match String::from_utf8(body.to_vec()) {
+        Ok(st) => st,
+        Err(e) => {
+            return Err(FetchSocketAddressError::ClientError(e.to_string()));
+        }
+    };
+
+    let addresses: Vec<SocketAddr> = {
+        let temp = parse_addresses(&s);
+        temp.iter()
+            .filter_map(|a| match a {
+                SocketAddr::V4(_) => Some(*a),
+                SocketAddr::V6(_) => None,
+            })
+            .collect()
+    };
+
+    if addresses.is_empty() {
+        return Err(FetchSocketAddressError::NoRegisteredAddresses);
+    } else if !addresses.iter().any(|a| matches!(a, SocketAddr::V4(_))) {
+        return Err(FetchSocketAddressError::NoIPV4Address);
+    }
+
+    for addr in addresses {
+        println!("trying address : {}", addr);
+        if quick_ping(&addr, 1000, sd).await {
+            return Ok(addr);
+        }
+
+        let payload = socket_addr_to_vec(addr);
+        let id = generate_id();
+
+        let natreq = construct_message(NATTRAVERSALREQUEST, payload.clone(), id, &sd.cryptopair());
+
+        sd.add_message(id, EventType::NatTraversal);
+        sd.senders_ref().send_dispatch(
+            natreq.expect("couldnt construct message nattraversalrequest2"),
+            sd.serveraddress().to_string(),
+            false,
+        );
+
+        sleep(Duration::from_millis(1000)).await;
+
+        let maybe_entry = {
+            let guard = sd.messages_received_ref().lock().unwrap();
+            guard.clone()
+        }; // guard dropped
+
+        for (id, (evt, time)) in maybe_entry.iter() {
+            println!("{} : {} at {}", id, evt.to_string(), time.to_string());
+            if id.eq(&addr.to_string()) && Timestamp::now().diff(time) < 10 {
+                println!("received message from address, returning said address..");
+                return Ok(addr);
+            }
+        }
+
+        if quick_ping(&addr, 5000, sd).await {
+            return Ok(addr);
+        }
+    }
+
+    Err(FetchSocketAddressError::NoResponseFromUser)
+}
+
+pub async fn get_server_address(username: String, ip: String) -> Option<SocketAddr> {
     let client = Client::builder()
         .timeout(Duration::from_secs(5))
         .build()

client-network/src/message_handling.rs

@@ -1,14 +1,12 @@
 use crate::{
     NetworkEvent, NodeHash,
-    cryptographic_signature::{
+    cryptographic_signature::{CryptographicSignature, get_peer_key, verify_signature},
-        CryptographicSignature, get_peer_key, sign_message, verify_signature,
-    },
     datum_parsing::parse_received_datum,
     messages_channels::MultipleSenders,
     messages_structure::construct_message,
     peers_refresh::HandshakeHistory,
-    registration,
     server_communication::generate_id,
+    timestamp::Timestamp,
 };
 use std::{
     collections::HashMap,
@@ -20,7 +18,7 @@ use std::{
 };
 
 // Types of messages that await for a response
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum EventType {
     HelloThenRootRequest,
     Hello,
@@ -29,13 +27,39 @@ pub enum EventType {
     NatTraversal,
     DatumRequest,
     DatumRequestBig,
+    Unknown,
+}
+
+impl EventType {
+    pub fn to_string(&self) -> String {
+        match self {
+            EventType::HelloThenRootRequest => "HelloThenRootRequest".to_owned(),
+            EventType::Hello => "Hello".to_owned(),
+            EventType::RootRequest => "RootRequest".to_owned(),
+            EventType::Ping => "Ping".to_owned(),
+            EventType::NatTraversal => "NatTraversal".to_owned(),
+            EventType::DatumRequest => "DatumRequest".to_owned(),
+            EventType::Unknown => "Unknown".to_owned(),
+            EventType::DatumRequestBig => "DatumRequestBig".to_owned(),
+        }
+    }
+
+    pub fn from_msgtype(msgtype: u8) -> EventType {
+        match msgtype {
+            PING => EventType::Ping,
+            HELLO => EventType::Hello,
+            ROOTREQUEST => EventType::RootRequest,
+            NATTRAVERSALREQUEST => EventType::NatTraversal,
+            DATUMREQUEST => EventType::DatumRequest,
+            _ => EventType::Unknown,
+        }
+    }
 }
 
 const ID: usize = 4;
 const TYPE: usize = 5;
 const LENGTH: usize = 7;
 const EXTENSIONS: usize = 4;
-const SIGNATURE: usize = 64;
 
 pub const PING: u8 = 0;
 const OK: u8 = 128;
@@ -52,6 +76,7 @@ const NATTRAVERSALREQUEST2: u8 = 5;
 
 pub fn handle_recevied_message(
     messages_list: &Arc<Mutex<HashMap<i32, EventType>>>,
+    messages_received: &Arc<Mutex<HashMap<String, (EventType, Timestamp)>>>,
     recevied_message: &Vec<u8>,
     crypto_pair: &CryptographicSignature,
     //socket_addr: &SocketAddr,
@@ -74,7 +99,6 @@ pub fn handle_recevied_message(
         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");
@@ -90,6 +114,7 @@ pub fn handle_recevied_message(
         cmd_tx,
         ip,
         messages_list,
+        messages_received,
         handhsake_history,
         senders,
     );
@@ -98,12 +123,7 @@ pub fn handle_recevied_message(
         None => {}
         Some(resp_msg) => {
             println!("msg_sent:{:?}", resp_msg);
-            senders.send_dispatch(
+            senders.send_dispatch(resp_msg, ip.to_string(), is_resp_to_server_handshake);
-                resp_msg,
-                ip.to_string(),
-                is_resp_to_server_handshake,
-                messages_list.clone(),
-            );
         }
     }
 }
@@ -115,17 +135,22 @@ pub fn parse_message(
     cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
     ip: SocketAddr,
     messages_list: &Arc<Mutex<HashMap<i32, EventType>>>,
+    messages_received: &Arc<Mutex<HashMap<String, (EventType, Timestamp)>>>,
     handhsake_history: Arc<HandshakeHistory>,
     senders: &MultipleSenders,
 ) -> 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];
 
+    messages_received
+        .lock()
+        .expect("couldnt lock received map")
+        .insert(
+            ip.to_string(),
+            (EventType::from_msgtype(msgtype), Timestamp::now()),
+        );
+
     let length_bytes: [u8; 2] = received_message[TYPE..LENGTH]
         .try_into()
         .expect("Taille incorrecte");
@@ -232,7 +257,6 @@ pub fn parse_message(
                 natreq2.expect("couldnt construct message nattraversalrequest2"),
                 address,
                 false,
-                messages_list.clone(),
             );
         }
 
@@ -242,10 +266,6 @@ pub fn parse_message(
 
             let ilength = u16::from_be_bytes(length_bytes);
             let received_address = &received_message[LENGTH..LENGTH + ilength as usize];
-            println!("received_address:{:?}", received_message);
-            //let addressv4 = IpAddr::V4(Ipv4Addr::from_octets(
-            //    received_address[0..4].try_into().expect("incorrect size"),
-            //));
             let bytes: [u8; 4] = received_address[0..4].try_into().expect("incorrect size");
             let addr_v4 = Ipv4Addr::from(bytes);
             let addressv4 = IpAddr::V4(addr_v4);
@@ -263,14 +283,12 @@ pub fn parse_message(
                 constructed_message.expect("couldnt construct message ping request"),
                 ip.to_string(),
                 false,
-                messages_list.clone(),
             );
 
             senders.send_dispatch(
                 pingreq.expect("couldnt construct message ping request"),
                 address.to_string(),
                 false,
-                messages_list.clone(),
             );
             constructed_message = None;
         }
@@ -280,10 +298,10 @@ pub fn parse_message(
                 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));
+                let _ = cmd_tx_clone.send(NetworkEvent::Error(err_msg, "".to_owned()));
             } else {
                 let err_msg = format!("Error received from peer {} : N/A", ip,);
-                let _ = cmd_tx_clone.send(NetworkEvent::Error(err_msg));
+                let _ = cmd_tx_clone.send(NetworkEvent::Error(err_msg, "".to_owned()));
             }
         }
 
@@ -333,14 +351,11 @@ pub fn parse_message(
                             // envoyer la root request
                             let _ = &guard.remove_entry(&id);
                             println!("message {} retiré de la liste", id);
-
+                            let new_id = generate_id();
-                            let rootrequest = construct_message(
+                            let rootrequest =
-                                ROOTREQUEST,
+                                construct_message(ROOTREQUEST, Vec::new(), new_id, crypto_pair);
-                                Vec::new(),
+                            let _ = &guard.insert(new_id, EventType::RootRequest);
-                                generate_id(),
+                            println!("root requesst sent");
-                                crypto_pair,
-                            );
-                            //&guard.insert(, v)
                             return rootrequest;
                         }
                         EventType::Hello => {
@@ -355,6 +370,7 @@ pub fn parse_message(
         }
         ROOTREPLY => {
             // recuperer le pseudo du peers ayant repondu
+            println!("root reply received");
             let peers_exist = handhsake_history.get_peer_info_ip(ip.to_string());
             match peers_exist {
                 Some(peerinfo) => {
@@ -373,11 +389,15 @@ pub fn parse_message(
                                         [LENGTH..(32 + LENGTH)]
                                         .try_into()
                                         .expect("incorrect size");
-                                    let res =
+                                    match cmd_tx_clone.send(NetworkEvent::FileTreeRootReceived(
-                                        cmd_tx_clone.send(NetworkEvent::FileTreeRootReceived(
                                         peerinfo.username.clone(),
                                         received_hash,
-                                        ));
+                                    )) {
+                                        Ok(_) => {}
+                                        Err(e) => {
+                                            println!("Network Event Error : {}", e.to_string());
+                                        }
+                                    };
                                     println!("file tree sent");
                                     // envoyer un datum
                                     let mut payload = Vec::new();
@@ -392,7 +412,9 @@ pub fn parse_message(
                                     constructed_message = datumreqest;
                                     guard.insert(new_id, EventType::DatumRequest);
                                 }
-                                _ => {}
+                                _ => {
+                                    println!("event not prensent");
+                                }
                             }
                         }
                         None => {}
@@ -431,18 +453,19 @@ pub fn parse_message(
                         }
                     }
                     EventType::DatumRequestBig => {
-                        let _ = &guard.remove_entry(&id);
                         println!("message {} retiré de la liste", id);
                         let received_length = u16::from_be_bytes(
                             received_message[TYPE..LENGTH]
                                 .try_into()
                                 .expect("incorrect size"),
                         );
+                        println!("received length:{}", received_length);
                         let received_datum = &received_message[LENGTH..];
                         let parsed_node =
                             parse_received_datum(received_datum.to_vec(), received_length as usize);
                         match parsed_node {
                             Some(tuple) => {
+                                let _ = &guard.remove_entry(&id);
                                 let _ = cmd_tx.send(NetworkEvent::DataReceived(
                                     tuple.0,
                                     tuple.1,
@@ -450,7 +473,9 @@ pub fn parse_message(
                                 ));
                                 println!("datareceived event sent");
                             }
-                            None => {}
+                            None => {
+                                println!("message corrompu, nouvelle tentative");
+                            }
                         }
                     }
                     _ => {}

client-network/src/messages_channels.rs

@@ -1,26 +1,20 @@
 use crossbeam_channel::Receiver;
-use tokio::time::sleep;
 
 use crate::P2PSharedData;
-use crate::cryptographic_signature::CryptographicSignature;
 use crate::message_handling::EventType;
 use crate::message_handling::handle_recevied_message;
 use crate::peers_refresh::HandshakeHistory;
 use crate::threads_handling::Worker;
-use std::clone;
+use std::collections::HashMap;
-use std::collections::{HashMap, HashSet};
-use std::hash::Hash;
-use std::net::SocketAddr;
 use std::net::UdpSocket;
 use std::sync::{Arc, Mutex};
 
-use std::sync::mpsc::{self, Sender};
 use std::thread;
 
 use std::collections::VecDeque;
+use std::time::Duration;
 use std::time::SystemTime;
 use std::time::UNIX_EPOCH;
-use std::time::{Duration, Instant};
 
 use crate::NetworkEvent;
 
@@ -38,10 +32,8 @@ struct RetryMessage {
 
 pub struct MultipleSenders {
     sender: crossbeam_channel::Sender<Message>,
-    receiver: crossbeam_channel::Receiver<Message>,
     response_channel: crossbeam_channel::Sender<NetworkEvent>,
     retry_queue: Arc<Mutex<VecDeque<RetryMessage>>>,
-    completed_messages: HashSet<i32>,
 }
 
 impl MultipleSenders {
@@ -50,6 +42,7 @@ impl MultipleSenders {
         socket: &Arc<UdpSocket>,
         cmd_tx: crossbeam_channel::Sender<NetworkEvent>,
         threads: &mut Vec<Worker>,
+        messages_list: Arc<Mutex<HashMap<i32, EventType>>>,
     ) -> Self {
         let (tx1, rx1) = crossbeam_channel::unbounded();
 
@@ -57,18 +50,22 @@ impl MultipleSenders {
             let sock_clone = Arc::clone(&socket);
             let cmd_tx_clone = cmd_tx.clone();
             let rx: Receiver<Message> = rx1.clone();
+            let msg_list_clone = messages_list.clone();
 
             let thread = thread::spawn(move || {
                 println!("Canal d'envoi {} prêt", i);
 
                 loop {
-                    // Priorité aux messages en attente prêts à être réessayés
-                    // Si aucun retry prêt, on bloque sur rx avec timeout court, pour pouvoir traiter les timers
                     let msg = rx.recv().unwrap();
                     match sock_clone.send_to(&msg.payload, &msg.address) {
                         Ok(_) => {
                             if msg.is_resp_to_server_handshake {
-                                let res = cmd_tx_clone.send(NetworkEvent::ConnectedHandshake());
+                                match cmd_tx_clone.send(NetworkEvent::ConnectedHandshake()) {
+                                    Ok(_) => {}
+                                    Err(e) => {
+                                        println!("Network Event Error : {}", e.to_string());
+                                    }
+                                };
                             }
                             let message_id: [u8; 4] =
                                 msg.payload[0..4].try_into().expect("size error");
@@ -84,61 +81,33 @@ impl MultipleSenders {
                                 "Erreur d'envoi initial sur canal {}: {}, address: {}",
                                 i, e, &msg.address
                             );
+                            let mut guard = msg_list_clone.lock().unwrap();
+                            let message_id: [u8; 4] =
+                                msg.payload[0..4].try_into().expect("size error");
+
+                            let id = i32::from_be_bytes(message_id);
+                            guard.remove_entry(&id);
+                            drop(guard);
                         }
                     }
                 }
             });
 
-            threads.push(Worker::spawn(
+            threads.push(Worker::spawn(thread));
-                thread,
-                crate::threads_handling::WorkerType::MSGSENDER,
-            ));
         }
 
         MultipleSenders {
             sender: tx1,
-            receiver: rx1,
             response_channel: cmd_tx.clone(),
             retry_queue: Arc::new(Mutex::new(VecDeque::new())),
-            completed_messages: HashSet::new(),
         }
     }
-    /*
-    /// Envoie un message via un canal spécifique (round-robin ou index précis)
-    pub fn send_via(
-        &self,
-        channel_idx: usize,
-        data: Vec<u8>,
-        remote_addr: String,
-        is_resp_to_server_handshake: bool,
-        messages_list: &Mutex<HashMap<i32, EventType>>,
-    ) {
-        println!(
-            "is_resp_to_server_handshake {}",
-            is_resp_to_server_handshake
-        );
-        let msg_to_send = Message {
-            payload: data.clone(),
-            address: remote_addr,
-            is_resp_to_server_handshake,
-        };
-        if let Some(sender) = self.senders.get(channel_idx) {
-            let _ = sender.send(msg_to_send);
-        }
-        if !is_resp_to_server_handshake {
-            let mut guard = messages_list.lock().unwrap();
-            let message_id: [u8; 4] = data[0..4].try_into().expect("size error");
-            let id = i32::from_be_bytes(message_id);
-            guard.insert(id, EventType::SendRootRequest);
-        }
-    }*/
 
     pub fn send_dispatch(
         &self,
         data: Vec<u8>,
         remote_addr: String,
         is_resp_to_server_handshake: bool,
-        messages_list: Arc<Mutex<HashMap<i32, EventType>>>,
     ) {
         let msg_to_send = Message {
             payload: data.clone(),
@@ -193,13 +162,13 @@ pub fn start_retry_thread(
                 // on verifie si le message a recu une reponse
                 let message_id: [u8; 4] = front.msg.payload[0..4].try_into().expect("size error");
                 let id = i32::from_be_bytes(message_id);
+
                 let message_type = front.msg.payload[4];
                 let guard = messages_list.lock().unwrap();
 
                 if guard.contains_key(&id) {
                     drop(guard);
-                    // si le message est n'a pas encore a etre traité, on le
+
-                    // remet en queue de liste
                     if front.next_try
                         <= SystemTime::now()
                             .duration_since(UNIX_EPOCH)
@@ -214,9 +183,15 @@ pub fn start_retry_thread(
                             );
                             println!("{}", str);
                             if front.msg.is_resp_to_server_handshake {
-                                let res = senders
+                                match senders
                                     .response_channel
-                                    .send(NetworkEvent::ServerHandshakeFailed(str));
+                                    .send(NetworkEvent::ServerHandshakeFailed(str))
+                                {
+                                    Ok(_) => {}
+                                    Err(e) => {
+                                        println!("Network Event Error : {}", e.to_string());
+                                    }
+                                };
                             }
                         } else {
                             let str = format!(
@@ -229,11 +204,11 @@ pub fn start_retry_thread(
                                 front.msg.payload.clone(),
                                 front.msg.address.clone(),
                                 front.msg.is_resp_to_server_handshake,
-                                messages_list.clone(),
                             );
                             let base: u64 = 2;
 
                             let backoff = base.saturating_pow(attempt as u32); // 2^1 == 2 seconds
+                            //let backoff = 1;
                             let newretry = RetryMessage {
                                 next_try: SystemTime::now()
                                     .duration_since(UNIX_EPOCH)
@@ -244,19 +219,16 @@ pub fn start_retry_thread(
                                 attempts: attempt,
                             };
 
-                            q.push_back(newretry); // remettre en tête pour réessayer plus tôt
+                            q.push_back(newretry);
                         }
                     } else {
-                        q.push_back(front); // remettre en tête pour réessayer plus tôt
+                        q.push_back(front);
                     }
                 }
             }
         }
     });
-    threads.push(Worker::spawn(
+    threads.push(Worker::spawn(thread));
-        thread,
-        crate::threads_handling::WorkerType::MSGRETRY,
-    ));
 }
 
 pub fn start_receving_thread(
@@ -268,17 +240,19 @@ pub fn start_receving_thread(
     let cryptopair_clone = shared_data.cryptopair();
     let senders_clone = shared_data.senders();
     let messages_clone = shared_data.messages_list();
+    let messages_received_clone = shared_data.messages_received();
     let servername_clone = shared_data.servername();
     let thread = thread::spawn(move || {
-        let mut buf = [0u8; 1024];
+        let mut buf = [0u8; 1500];
         loop {
             match sock_clone.recv_from(&mut buf) {
                 Ok((amt, src)) => {
                     let received_data = buf[..amt].to_vec();
 
-                    println!("Reçu {} octets de {}: {:?}", amt, src, received_data);
+                    println!("Reçu {} octets de {}", amt, src);
                     handle_recevied_message(
                         &messages_clone,
+                        &messages_received_clone,
                         &received_data,
                         &cryptopair_clone,
                         &senders_clone,
@@ -292,8 +266,5 @@ pub fn start_receving_thread(
             }
         }
     });
-    shared_data.threads.push(Worker::spawn(
+    shared_data.threads.push(Worker::spawn(thread));
-        thread,
-        crate::threads_handling::WorkerType::MSGRECEPTION,
-    ));
 }

client-network/src/messages_structure.rs

@@ -1,3 +1,4 @@
+#![allow(unused)]
 use crate::cryptographic_signature::{CryptographicSignature, sign_message};
 
 const ID: usize = 4;
@@ -163,7 +164,7 @@ impl HandshakeMessage {
         }
     }
 
-    pub fn helloReply(id: u32, length: u16, username: String) -> HandshakeMessage {
+    pub fn hello_reply(id: u32, length: u16, username: String) -> HandshakeMessage {
         let name_vec = username.trim_end_matches(char::from(0)).as_bytes().to_vec();
         HandshakeMessage {
             id: id,
@@ -219,28 +220,3 @@ impl HandshakeMessage {
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    // Note this useful idiom: importing names from outer (for mod tests) scope.
-    use super::*;
-    /*
-    /// creates an handshake message
-    #[tokio::test]
-    async fn creating_handshake_msg() {
-        let username = String::from("charlie_kirk");
-        let handshake = HandshakeMessage::hello(0, 12, username);
-        handshake.display();
-    }
-
-    /// parses an handshake message
-    #[tokio::test]
-    async fn parse_handshakemessage() {
-        let username = String::from("charlie_kirk");
-        let handshake = HandshakeMessage::hello(0, 12, username);
-        let ser = handshake.serialize();
-        let parsed = HandshakeMessage::parse(ser);
-        handshake.display();
-        parsed.display();
-    }*/
-}

client-network/src/peers_refresh.rs

@@ -4,24 +4,18 @@
 pub use crate::message_handling::*;
 
 use std::{
-    collections::{HashMap, VecDeque},
+    collections::HashMap,
-    net::{AddrParseError, Ipv4Addr, SocketAddr},
+    net::SocketAddr,
-    ops::Add,
-    process::Command,
     sync::{Arc, Mutex},
-    thread::{self, JoinHandle},
+    thread::{self},
-    time::{self, Duration, SystemTime},
+    time::Duration,
 };
 
+use crate::{construct_message, generate_id};
 use crate::{
-    NetworkEvent, cryptographic_signature::CryptographicSignature,
+    cryptographic_signature::CryptographicSignature, messages_channels::MultipleSenders,
-    messages_channels::MultipleSenders, threads_handling::Worker,
+    threads_handling::Worker,
 };
-use crate::{
-    P2PSharedData, construct_message, generate_id, messages_structure,
-    registration::perform_handshake,
-};
-use crossbeam_channel::{Receiver, Sender};
 use p256::ecdsa::VerifyingKey;
 
 #[derive(Debug, Clone)]
@@ -117,7 +111,7 @@ pub fn update_handshake(
     let handle = thread::spawn(move || {
         loop {
             let guard = map_for_thread.lock().unwrap();
-            for (peer, peerinfo) in guard.iter() {
+            for (_, peerinfo) in guard.iter() {
                 let id = generate_id();
                 let mut map = messages_list.lock().unwrap();
                 map.insert(id, EventType::Ping);
@@ -128,34 +122,12 @@ pub fn update_handshake(
                         peerinfo.ip.to_string(),
                         false,
                     );
-                    senders.send_dispatch(
+                    senders.send_dispatch(ping, peerinfo.ip.to_string(), false);
-                        ping,
-                        peerinfo.ip.to_string(),
-                        false,
-                        messages_list.clone(),
-                    );
                 }
             }
             drop(guard);
             thread::sleep(Duration::from_secs(60));
         }
     });
-    Worker::spawn(handle, crate::threads_handling::WorkerType::PING)
+    Worker::spawn(handle)
-}
-
-#[cfg(test)]
-mod tests {
-    use std::net::{IpAddr, Ipv4Addr};
-
-    use super::*;
-
-    /*#[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

@@ -1,19 +1,14 @@
-use bytes::Bytes;
-
 use crate::NetworkEvent;
 use crate::P2PSharedData;
-use crate::cryptographic_signature::{CryptographicSignature, formatPubKey, sign_message};
+use crate::cryptographic_signature::CryptographicSignature;
 use crate::get_socket_address;
 use crate::message_handling::EventType;
-use crate::messages_channels::MultipleSenders;
 use crate::messages_structure::construct_message;
 use crate::server_communication::generate_id;
-use crossbeam_channel::{Receiver, Sender};
+use crossbeam_channel::Sender;
-use std::collections::HashMap;
 use std::net::SocketAddr;
-use std::net::UdpSocket;
 use std::str::FromStr;
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 
 ///
 /// sends the cryptographic signature to the server using a PUT request over the HTTP API.
@@ -29,9 +24,14 @@ pub async fn register_with_the_server(
     let pubkey_bytes_minus = pubkey_bytes[1..].to_vec();
     let res = client.put(uri).body(pubkey_bytes_minus).send().await?;
     let res = res.error_for_status()?;
+    match res.error_for_status() {
+        Ok(_) => {
             println!("register ip adresses");
             Ok(())
         }
+        Err(e) => Err(e),
+    }
+}
 
 pub fn parse_addresses(input: &String) -> Vec<SocketAddr> {
     let mut addrs = Vec::new();
@@ -55,23 +55,48 @@ pub async fn perform_handshake(
     username: String,
     ip: String,
     event_tx: Sender<NetworkEvent>,
-    is_server_handshake: bool,
+    is_server_handshake: (bool, String),
-) {
+) -> bool {
     println!("username: {}, ip: {}", username.clone(), ip.clone());
     let crypto_pair = sd.cryptopair_ref();
     let senders = sd.senders_ref();
 
     let id = generate_id();
-    let server_addr_query = get_socket_address(username.clone(), ip.clone());
+
-    match server_addr_query.await {
+    let address = {
-        Some(sockaddr_bytes) => {
+        if is_server_handshake.0 {
-            sd.set_servername(username);
+            is_server_handshake.1
-            // first: &SocketAddr
+        } else {
+            let server_addr_query =
+                get_socket_address(username.clone(), ip.clone(), Some(sd)).await;
+
+            match server_addr_query {
+                Ok(sockaddr_bytes) => sockaddr_bytes.to_string(),
+                Err(err_msg) => {
+                    match event_tx.send(NetworkEvent::Error(
+                        err_msg.to_string(),
+                        username.to_owned(),
+                    )) {
+                        Ok(_) => {}
+                        Err(err) => {
+                            println!("Network Event Error : {}", err.to_string());
+                        }
+                    }
+                    "".to_string()
+                }
+            }
+        }
+    };
+
+    if address.eq(&"".to_string()) {
+        return false;
+    }
+
     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);
-            if is_server_handshake {
+    if is_server_handshake.0 {
         sd.add_message(id, EventType::Hello);
     } else {
         sd.add_message(id, EventType::HelloThenRootRequest);
@@ -79,71 +104,10 @@ pub async fn perform_handshake(
 
     match hello_handshake {
         Some(handshake_message) => {
-                    senders.send_dispatch(
+            senders.send_dispatch(handshake_message, address, is_server_handshake.0);
-                        handshake_message,
-                        sockaddr_bytes.to_string(),
-                        is_server_handshake,
-                        sd.messages_list(),
-                    );
         }
         None => {}
     }
-        }
-        None => {
-            let err_msg = format!("failed to retreive socket address:").to_string();
-            let res = event_tx.send(NetworkEvent::Error(err_msg));
-        }
-    }
 
-    /*let mut list = messages_list.lock().expect("Failed to lock messages_list");
+    return true;
-    match list.get(&id) {
-        Some(_) => {
-            list.remove(&id);
-        }
-        None => {
-            list.insert(id, EventType::ServerHelloReply);
-        }
-    }
-    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)]
-mod tests {
-    // Note this useful idiom: importing names from outer (for mod tests) scope.
-    use super::*;
-
-    /*///
-    /// does the procedure to register with the server
-    ///
-    #[tokio::test]
-    async fn registering_with_server() {
-        let username = String::from("gameixtreize");
-        let server_uri = String::from("https://jch.irif.fr:8443");
-        let crypto_pair = CryptographicSignature::new(username);
-        if let Err(e) = register_with_the_server(crypto_pair, server_uri).await {
-            eprintln!("Error during registration: {}", e);
-        }
-    }*/
-
-    /*///
-    /// retreives the socket address of a given peer
-    ///
-    #[tokio::test]
-    async fn retreive_socket_addr() {
-        let username = String::from("ipjkndqfshjldfsjlbsdfjhhj");
-        match get_socket_address(username).await {
-            Ok(body) => {
-                println!("{:?}", body);
-            }
-            Err(e) => {
-                eprintln!("Erreur HTTP: {}", e);
-            }
-        }
-    }*/
 }

client-network/src/threads_handling.rs

@@ -4,25 +4,16 @@ use std::sync::{
 };
 use std::thread::JoinHandle;
 
-pub enum WorkerType {
-    MSGRECEPTION,
-    MSGSENDER,
-    PING,
-    MSGRETRY,
-}
-
 pub struct Worker {
     thread: Option<JoinHandle<()>>,
     stop: Arc<AtomicBool>,
-    workertype: WorkerType,
 }
 
 impl Worker {
-    pub fn spawn(thread: JoinHandle<()>, workertype: WorkerType) -> Self {
+    pub fn spawn(thread: JoinHandle<()>) -> Self {
         Worker {
             stop: Arc::new(AtomicBool::new(false)),
             thread: Some(thread),
-            workertype,
         }
     }
 

client-network/src/timestamp.rs

@@ -0,0 +1,46 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct Timestamp {
+    secs: u64, // seconds since UNIX epoch
+}
+
+unsafe impl Send for Timestamp {}
+
+impl Timestamp {
+    // Create a Timestamp from current system time
+    pub fn now() -> Self {
+        let dur = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .expect("system time before UNIX_EPOCH");
+        Self {
+            secs: dur.as_secs(),
+        }
+    }
+
+    // Create from explicit fields (optional helper)
+    pub fn from_secs(secs: u64) -> Self {
+        Self { secs }
+    }
+
+    // Return underlying seconds
+    pub fn as_secs(&self) -> u64 {
+        self.secs
+    }
+
+    // Return elapsed seconds between `self` and `other`.
+    // Panics if `other` is in the future relative to `self`.
+    // If you call `Timestamp::now().diff(past)`, it returns seconds since `past`.
+    pub fn diff(&self, earlier: &Timestamp) -> u64 {
+        assert!(earlier.secs <= self.secs, "given time is in the future");
+        self.secs - earlier.secs
+    }
+
+    pub fn to_string(&self) -> String {
+        let secs_of_day = self.secs % 86_400;
+        let hh = secs_of_day / 3600;
+        let mm = (secs_of_day % 3600) / 60;
+        let ss = secs_of_day % 60;
+        format!("{:02}:{:02}:{:02}", hh, mm, ss)
+    }
+}

rapport.txt

@@ -0,0 +1 @@
+https://docs.google.com/document/d/1emhrAfjJyJTWpBYx4IJGcCz0_iLVjDRAAdq2EZFchKo/edit?usp=sharing