582 lines
25 KiB
Rust
582 lines
25 KiB
Rust
use client_network::{
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ChunkNode, MerkleNode, MerkleTree, NetworkCommand, NetworkEvent, NodeHash, filename_to_string,
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node_hash_to_hex_string,
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};
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use crossbeam_channel::{Receiver, Sender};
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use egui::{
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Align, Align2, Button, CentralPanel, CollapsingHeader, Context, Id, LayerId, Layout, Order,
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Popup, ScrollArea, SidePanel, TextStyle, TopBottomPanel, Ui, ViewportCommand,
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};
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use std::{collections::HashMap, fmt::format};
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enum ServerStatus {
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Loading,
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NotConnected,
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Connected,
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ConnectedHandshake,
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}
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// --- Main Application Struct ---
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pub struct P2PClientApp {
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remaining: std::time::Duration, // temps restant
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last_update: std::time::Instant, // pour calculer delta
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timer_started: bool,
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// Communication channels
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network_cmd_tx: Sender<NetworkCommand>,
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network_event_rx: Receiver<NetworkEvent>,
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// GUI State
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status_message: String,
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known_peers: Vec<(String, bool)>,
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connect_address_input: String,
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connected_address: String,
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connect_name_input: String,
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// Key: Parent Directory Hash (String), Value: List of children FileNode
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loaded_fs: HashMap<String, MerkleTree>,
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// Current peer tree displayed
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active_peer: Option<String>,
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server_status: ServerStatus,
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show_network_popup: bool, // gérer selon besoin
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error_message: Option<String>, // Some(message) -> afficher, None -> rien
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//
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active_server: String,
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}
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impl P2PClientApp {
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pub fn new(cmd_tx: Sender<NetworkCommand>, event_rx: Receiver<NetworkEvent>) -> Self {
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//let (root_hash, tree_content) = MerkleNode::generate_base_tree();
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let mut loaded_fs = HashMap::new();
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//let tree = MerkleTree::new(tree_content, root_hash);
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//loaded_fs.insert("bob".to_string(), tree);
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Self {
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remaining: std::time::Duration::from_secs(0),
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timer_started: false,
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last_update: std::time::Instant::now(),
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network_cmd_tx: cmd_tx,
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network_event_rx: event_rx,
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status_message: "Client Initialized. Awaiting network status...".to_string(),
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known_peers: vec![("bob".to_string(), true)],
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connect_address_input: "https://jch.irif.fr:8443".to_string(),
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connected_address: "".to_string(),
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loaded_fs,
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active_peer: None,
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server_status: ServerStatus::NotConnected,
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show_network_popup: false,
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error_message: None,
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connect_name_input: "bob".to_string(),
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active_server: "".to_string(),
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}
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}
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pub fn show_error(&mut self, msg: impl Into<String>) {
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self.error_message = Some(msg.into());
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}
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pub fn clear_error(&mut self) {
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self.error_message = None;
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}
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}
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// --- eframe::App Trait Implementation ---
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impl eframe::App for P2PClientApp {
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fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) {
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if matches!(self.server_status, ServerStatus::Connected) && !self.timer_started {
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self.remaining = std::time::Duration::from_secs(30 * 60);
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self.last_update = std::time::Instant::now();
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self.timer_started = true;
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}
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// in update (every frame)
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let now = std::time::Instant::now();
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let delta = now.saturating_duration_since(self.last_update);
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self.last_update = now;
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if matches!(self.server_status, ServerStatus::Connected)
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&& self.remaining > std::time::Duration::ZERO
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{
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self.remaining = self.remaining.saturating_sub(delta);
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}
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// 1. Process incoming Network Events
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// We poll the channel and update the GUI state for every event received.
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while let Ok(event) = self.network_event_rx.try_recv() {
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match event {
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NetworkEvent::PeerConnected(addr) => {
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todo!();
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self.status_message = format!("✅ Peer connected: {}", addr);
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if !self.known_peers.contains(&(addr, true)) {
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self.known_peers.push((addr, true));
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}
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}
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NetworkEvent::PeerListUpdated(peers) => {
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//todo!();
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self.known_peers = peers;
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}
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NetworkEvent::FileTreeReceived(node_hash, merklenode) => {
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//self.status_message = "🔄 File tree updated successfully.".to_string();
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}
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NetworkEvent::FileTreeRootReceived(peer_id, root_hash) => {
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// todo!();
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/*self.status_message = format!(
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"🔄 Received Merkle Root from {}: {}",
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peer_id,
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&root_hash[..8]
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);*/
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if let Ok(chunknode) = ChunkNode::new(Vec::new()) {
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let mut data_map: HashMap<NodeHash, MerkleNode> = HashMap::new();
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data_map.insert(root_hash, MerkleNode::Chunk(chunknode));
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let tree = MerkleTree {
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data: data_map,
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root: root_hash,
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};
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match &self.active_peer {
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Some(activepeer) => {
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self.loaded_fs.insert(activepeer.clone(), tree);
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}
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None => {}
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}
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println!("tree created");
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}
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//self.active_peer_id = Some(peer_id.clone());
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// Request the content of the root directory immediately
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/*let _ = self
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.network_cmd_tx
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.send(NetworkCommand::RequestDirectoryContent(peer_id, root_hash));*/
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}
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NetworkEvent::Connected(ip) => {
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self.server_status = ServerStatus::Connected;
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self.connected_address = ip.clone();
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let _ = self.network_cmd_tx.send(NetworkCommand::FetchPeerList(
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self.connected_address.clone(),
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));
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}
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NetworkEvent::ConnectedHandshake() => {
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self.server_status = ServerStatus::ConnectedHandshake;
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}
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NetworkEvent::Disconnected() => {
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self.active_server = "".to_string();
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self.connected_address = "".to_string();
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self.known_peers.clear();
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self.server_status = ServerStatus::NotConnected;
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}
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NetworkEvent::Error(err) => {
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self.show_error(err);
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}
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NetworkEvent::DataReceived(_, merkle_node) => todo!(),
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NetworkEvent::HandshakeFailed() => {}
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NetworkEvent::ServerHandshakeFailed(err) => {
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self.active_server = "".to_string();
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self.server_status = ServerStatus::NotConnected;
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let err_msg = format!("Failed to connect to the server: {}", err);
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self.show_error(err_msg);
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let res = self.network_cmd_tx.send(NetworkCommand::ResetServerPeer());
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}
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}
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}
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// 2. Menu Bar
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TopBottomPanel::top("top_panel").show(ctx, |ui| {
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egui::MenuBar::new().ui(ui, |ui| {
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ui.menu_button("File", |ui| {
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if ui.button("Settings").clicked() {
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//show settings
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}
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if ui.button("Quit").clicked() {
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// Use ViewportCommand to request a close
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ctx.send_viewport_cmd(ViewportCommand::Close);
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}
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});
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ui.menu_button("Network", |ui| {
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match self.server_status {
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ServerStatus::Connected | ServerStatus::ConnectedHandshake => {
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let desired = egui::vec2(300.0, 0.0); // width 300, auto-height if 0
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ui.set_min_size(desired);
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ui.vertical(|ui| {
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if ui.button("Disconnect").clicked() {
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println!("Disconnecting...");
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let _ = self.network_cmd_tx.send(NetworkCommand::Disconnect());
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self.server_status = ServerStatus::NotConnected;
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self.remaining = std::time::Duration::from_secs(0);
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self.timer_started = false;
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ui.close();
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}
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});
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}
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ServerStatus::NotConnected => {
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let desired = egui::vec2(0.0, 0.0); // width 300, auto-height if 0
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ui.set_min_size(desired);
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ui.vertical(|ui| {
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ui.horizontal(|ui| {
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ui.label("Server IP:");
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ui.text_edit_singleline(&mut self.connect_address_input);
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});
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ui.horizontal(|ui| {
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ui.label("Name:");
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ui.text_edit_singleline(&mut self.connect_name_input);
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});
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if ui.button("Connect").clicked() {
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let addr = self.connect_address_input.clone();
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let name = self.connect_name_input.clone();
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let _ = self
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.network_cmd_tx
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.send(NetworkCommand::ConnectToServerPut(addr, name));
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self.server_status = ServerStatus::Loading;
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ui.close();
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}
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});
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}
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_ => {}
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}
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/* ui.horizontal(|ui| {
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ui.label("Server peer name:");
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ui.text_edit_singleline(&mut self.connect_server_name_input);
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if ui.button("Connect").clicked() {
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let addr = self.connect_address_input.clone();
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let serv_name = self.connect_server_name_input.clone();
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let _ = self
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.network_cmd_tx
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.send(NetworkCommand::ConnectToServer(addr, serv_name));
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self.server_status = ServerStatus::Loading;
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ui.close();
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}
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});*/
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});
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// état
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/*if ui.button("Network").clicked() {
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self.show_network_popup = true;
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}*/
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/*if self.show_network_popup {
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egui::Window::new("Network")
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.collapsible(false)
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.resizable(false)
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.show(ctx, |ui| {
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ui.horizontal_wrapped(|ui| {
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ui.with_layout(
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egui::Layout::right_to_left(egui::Align::TOP),
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|ui| {
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if ui.button("✕").clicked() {
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self.show_network_popup = false;
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}
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},
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);
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});
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ui.horizontal(|ui| {
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ui.label("Server IP:");
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ui.text_edit_singleline(&mut self.connect_address_input);
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});
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ui.horizontal(|ui| {
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ui.label("Server peer name:");
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ui.text_edit_singleline(&mut self.connect_server_name_input);
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if ui.button("Connect").clicked() {
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// envoyer commande...
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let addr = self.connect_address_input.clone();
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let serv_name = self.connect_server_name_input.clone();
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let _ = self
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.network_cmd_tx
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.send(NetworkCommand::ConnectToServer(addr, serv_name));
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self.server_status = ServerStatus::Loading;
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self.show_network_popup = false;
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}
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});
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});
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}*/
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});
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});
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TopBottomPanel::bottom("bottom_panel").show(ctx, |ui| {
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ui.horizontal(|ui| {
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match self.server_status {
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ServerStatus::Loading => {
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ui.spinner();
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}
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ServerStatus::Connected => {
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ui.label("Registered but no server peer chosen...");
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}
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ServerStatus::NotConnected => {
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ui.label("No connection..");
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}
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ServerStatus::ConnectedHandshake => {
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let str = format!("📡");
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ui.label(str);
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}
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}
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ui.add_space(ui.available_width() - 30.0);
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// formater mm:ss
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let secs = self.remaining.as_secs();
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let minutes = secs / 60;
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let seconds = secs % 60;
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ui.label(format!("{:02}:{:02}", minutes, seconds));
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});
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});
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SidePanel::right("right_panel")
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.resizable(false)
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.min_width(180.0)
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.show(ctx, |ui| {
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ui.horizontal(|ui| {
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ui.heading("🌐 Known Peers");
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ui.add_space(20.0);
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if ui.button("🔄").clicked() {
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println!("addr:{}", self.connected_address.clone());
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let res = self.network_cmd_tx.send(NetworkCommand::FetchPeerList(
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self.connected_address.clone(),
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));
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if let Some(error) = res.err() {
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println!(
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"[GUI] Error while sending crossbeam message to Network: {}",
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error.to_string()
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);
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}
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}
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});
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ui.separator();
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ScrollArea::vertical().show(ui, |ui| {
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if self.known_peers.is_empty() {
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ui.add_space(10.0);
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ui.label("No active peers.");
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} else {
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for peer in &self.known_peers {
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let is_active =
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self.active_peer.as_ref().map_or(false, |id| id == &peer.0); // if peer.id == self.active_peer_id
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let selectable;
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if &self.active_server == &peer.0 {
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selectable =
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ui.selectable_label(is_active, format!("{} 📡 🌀", peer.0))
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} else {
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selectable = ui.selectable_label(is_active, format!("{}", peer.0));
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}
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if selectable.clicked() {
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// switch to displaying this peer's tree
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self.active_peer = Some(peer.0.clone());
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// Request root content if not loaded
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if !self
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.loaded_fs
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.contains_key(self.active_peer.as_ref().unwrap())
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{
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//todo!();
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let _ = self.network_cmd_tx.send(NetworkCommand::Discover(
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peer.0.clone(),
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"root".to_string(),
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self.connected_address.clone(),
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));
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}
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}
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selectable.context_menu(|ui| {
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// ... action
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match self.server_status {
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ServerStatus::Connected => {
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if ui
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.button("Utiliser le peer en tant que serveur")
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.clicked()
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{
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self.active_server = peer.0.to_string();
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let res = self.network_cmd_tx.send(
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NetworkCommand::ServerHandshake(
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peer.0.to_string(),
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self.connected_address.clone(),
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),
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);
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}
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}
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_ => {}
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}
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if ui.button("Send Ping").clicked() {
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let res = self.network_cmd_tx.send(NetworkCommand::Ping(
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peer.0.to_string(),
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self.connected_address.clone(),
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));
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}
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if ui.button("Send Nat Traversal Request").clicked() {
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match self.network_cmd_tx.send(NetworkCommand::NatTraversal(
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peer.0.to_string(),
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self.connected_address.clone(),
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)) {
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Ok(_) => {
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print!("[+] successfully sent nat traversal request")
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}
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Err(_) => {
|
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print!("[-] failed to send nat traversal request")
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}
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}
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}
|
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if ui.button("Infos").clicked() {
|
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// action 3
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ui.close();
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}
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|
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// ... autres boutons
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});
|
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}
|
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}
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});
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});
|
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|
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CentralPanel::default().show(ctx, |ui| {
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ui.heading({
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if let Some(peer) = &self.active_peer {
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format!("📂 {}'s tree", peer)
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} else {
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"📂 p2p-merkel client".to_string()
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}
|
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});
|
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ui.separator();
|
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|
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if let Some(active_peer) = &self.active_peer {
|
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if let Some(tree) = self.loaded_fs.get(active_peer) {
|
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ScrollArea::vertical().show(ui, |ui| {
|
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// Start drawing the tree from the root hash
|
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self.draw_file_tree(ui, tree);
|
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});
|
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} else {
|
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ui.label(format!("Loading root for peer: {}", active_peer));
|
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}
|
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} else {
|
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ui.label("Connect to a peer to view a file tree.");
|
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}
|
|
|
|
ui.separator();
|
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ui.add_space(5.0);
|
|
// This is now safe because draw_file_tree only takes an immutable borrow
|
|
// ui.label(format!("Status: {}", self.status_message));
|
|
});
|
|
|
|
if let Some(msg) = &self.error_message {
|
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let msg = msg.clone();
|
|
egui::Window::new("Error")
|
|
.collapsible(false)
|
|
.resizable(false)
|
|
.anchor(egui::Align2::CENTER_CENTER, [0.0, 0.0])
|
|
.show(ctx, |ui| {
|
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ui.label(&msg);
|
|
if ui.button("OK").clicked() {
|
|
self.clear_error();
|
|
}
|
|
});
|
|
ctx.request_repaint();
|
|
}
|
|
|
|
ctx.request_repaint_after(std::time::Duration::from_millis(10));
|
|
}
|
|
}
|
|
|
|
// --- Helper for Drawing the Recursive File Tree ---
|
|
|
|
impl P2PClientApp {
|
|
fn draw_file_tree(&self, ui: &mut Ui, tree: &MerkleTree) {
|
|
assert!(self.active_peer.is_some());
|
|
assert!(
|
|
self.loaded_fs
|
|
.get(&self.active_peer.clone().unwrap())
|
|
.is_some()
|
|
);
|
|
let root = tree.root;
|
|
CollapsingHeader::new(format!("📁 root"))
|
|
.default_open(true)
|
|
.enabled(true)
|
|
.show(ui, |ui| {
|
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self.draw_file_node(ui, root, tree, 0, None);
|
|
});
|
|
}
|
|
|
|
fn draw_file_node(
|
|
&self,
|
|
ui: &mut Ui,
|
|
to_draw: NodeHash,
|
|
tree: &MerkleTree,
|
|
depth: usize,
|
|
filename: Option<[u8; 32]>,
|
|
) {
|
|
if depth >= 32 {
|
|
return;
|
|
}
|
|
if let Some(current) = tree.data.get(&to_draw) {
|
|
let name = {
|
|
if filename.is_some() {
|
|
filename_to_string(filename.unwrap())
|
|
} else {
|
|
node_hash_to_hex_string(&to_draw)
|
|
}
|
|
};
|
|
match current {
|
|
MerkleNode::Chunk(node) => {
|
|
if ui
|
|
.selectable_label(false, format!("📄 (C) {}...", name))
|
|
.on_hover_text("Click to request file chunks...")
|
|
.clicked()
|
|
{
|
|
todo!();
|
|
// if let Some(peer_id) = active_peer_id.clone() {
|
|
// let _ = self.network_cmd_tx.send(NetworkCommand::RequestChunk(peer_id, entry_hash.clone()));
|
|
// // self.status_message = format!("Requested file chunks for: {}...", &entry_hash[..8]);
|
|
// }
|
|
}
|
|
}
|
|
MerkleNode::Directory(node) => {
|
|
CollapsingHeader::new(format!("📁 (D) {}", name))
|
|
.default_open(false)
|
|
.enabled(true)
|
|
.show(ui, |ui| {
|
|
for entry in &node.entries {
|
|
self.draw_file_node(
|
|
ui,
|
|
entry.content_hash,
|
|
tree,
|
|
depth + 1,
|
|
Some(
|
|
entry
|
|
.filename
|
|
.as_slice()
|
|
.try_into()
|
|
.expect("incorrect size"),
|
|
),
|
|
);
|
|
}
|
|
});
|
|
}
|
|
MerkleNode::Big(node) => {
|
|
CollapsingHeader::new(format!("📄 (B) {}", name))
|
|
.default_open(false)
|
|
.enabled(true)
|
|
.show(ui, |ui| {
|
|
for child in &node.children_hashes {
|
|
self.draw_file_node(ui, child.clone(), tree, depth + 1, None);
|
|
}
|
|
});
|
|
}
|
|
MerkleNode::BigDirectory(node) => {
|
|
CollapsingHeader::new(format!("📁 (BD) {}", name))
|
|
.default_open(false)
|
|
.enabled(true)
|
|
.show(ui, |ui| {
|
|
for child in &node.children_hashes {
|
|
self.draw_file_node(ui, child.clone(), tree, depth + 1, None);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|