341 lines
13 KiB
Rust
341 lines
13 KiB
Rust
use client_network::{
|
|
MerkleNode, MerkleTree, NetworkCommand, NetworkEvent, NodeHash, filename_to_string,
|
|
node_hash_to_hex_string,
|
|
};
|
|
use crossbeam_channel::{Receiver, Sender};
|
|
use egui::{
|
|
Align, Align2, Button, CentralPanel, CollapsingHeader, Context, Id, LayerId, Layout, Order,
|
|
Popup, ScrollArea, SidePanel, TopBottomPanel, Ui, ViewportCommand,
|
|
};
|
|
use std::collections::HashMap;
|
|
|
|
enum ServerStatus {
|
|
Loading,
|
|
NotConnected,
|
|
Connected,
|
|
}
|
|
|
|
// --- Main Application Struct ---
|
|
pub struct P2PClientApp {
|
|
// Communication channels
|
|
network_cmd_tx: Sender<NetworkCommand>,
|
|
network_event_rx: Receiver<NetworkEvent>,
|
|
|
|
// GUI State
|
|
status_message: String,
|
|
known_peers: Vec<String>,
|
|
connect_address_input: String,
|
|
connect_server_name_input: String,
|
|
|
|
// Key: Parent Directory Hash (String), Value: List of children FileNode
|
|
loaded_fs: HashMap<String, MerkleTree>,
|
|
|
|
// Current peer tree displayed
|
|
active_peer: Option<String>,
|
|
|
|
server_status: ServerStatus,
|
|
}
|
|
|
|
impl P2PClientApp {
|
|
pub fn new(cmd_tx: Sender<NetworkCommand>, event_rx: Receiver<NetworkEvent>) -> Self {
|
|
let (root_hash, tree_content) = MerkleNode::generate_base_tree();
|
|
|
|
let mut loaded_fs = HashMap::new();
|
|
let tree = MerkleTree::new(tree_content, root_hash);
|
|
loaded_fs.insert("bob".to_string(), tree);
|
|
|
|
Self {
|
|
network_cmd_tx: cmd_tx,
|
|
network_event_rx: event_rx,
|
|
status_message: "Client Initialized. Awaiting network status...".to_string(),
|
|
known_peers: vec!["bob".to_string()],
|
|
connect_address_input: "https://jch.irif.fr:8443".to_string(),
|
|
connect_server_name_input: "jch.irif.fr".to_string(),
|
|
loaded_fs,
|
|
active_peer: None,
|
|
server_status: ServerStatus::Loading,
|
|
}
|
|
}
|
|
}
|
|
|
|
// --- eframe::App Trait Implementation ---
|
|
|
|
impl eframe::App for P2PClientApp {
|
|
fn update(&mut self, ctx: &Context, _frame: &mut eframe::Frame) {
|
|
// 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) {
|
|
self.known_peers.push(addr);
|
|
}
|
|
}
|
|
NetworkEvent::PeerListUpdated(peers) => {
|
|
todo!();
|
|
|
|
self.known_peers = peers;
|
|
}
|
|
NetworkEvent::FileTreeReceived(_peer_id, _) => {
|
|
todo!();
|
|
|
|
// self.loaded_tree_nodes.insert(_peer_id, tree);
|
|
self.status_message = "🔄 File tree updated successfully.".to_string();
|
|
}
|
|
NetworkEvent::FileTreeRootReceived(peer_id, root_hash) => {
|
|
todo!();
|
|
|
|
// self.status_message = format!("🔄 Received Merkle Root from {}: {}", peer_id, &root_hash[..8]);
|
|
//
|
|
//
|
|
// 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() => {
|
|
self.server_status = ServerStatus::Connected;
|
|
}
|
|
NetworkEvent::Disconnected() => todo!(),
|
|
NetworkEvent::Error() => todo!(),
|
|
NetworkEvent::DataReceived(_, merkle_node) => todo!(),
|
|
}
|
|
}
|
|
|
|
// 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() {
|
|
//show settings
|
|
}
|
|
|
|
if ui.button("Quit").clicked() {
|
|
// Use ViewportCommand to request a close
|
|
ctx.send_viewport_cmd(ViewportCommand::Close);
|
|
}
|
|
});
|
|
|
|
ui.menu_button("Network", |ui| {
|
|
ui.horizontal(|ui| {
|
|
ui.label("Server IP:");
|
|
ui.text_edit_singleline(&mut self.connect_address_input);
|
|
ui.text_edit_singleline(&mut self.connect_server_name_input);
|
|
if ui.button("Connect").clicked() {
|
|
let addr = self.connect_address_input.clone();
|
|
let serv_name = self.connect_server_name_input.clone();
|
|
let _ = self
|
|
.network_cmd_tx
|
|
.send(NetworkCommand::ConnectToServer(addr, serv_name));
|
|
self.server_status = ServerStatus::Loading;
|
|
ui.close();
|
|
}
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
TopBottomPanel::bottom("bottom_panel").show(ctx, |ui| {
|
|
ui.horizontal(|ui| {
|
|
match self.server_status {
|
|
ServerStatus::Loading => {
|
|
ui.spinner();
|
|
}
|
|
ServerStatus::Connected => {
|
|
ui.label("📡");
|
|
}
|
|
ServerStatus::NotConnected => {
|
|
ui.label("No connection..");
|
|
}
|
|
}
|
|
ui.add_space(ui.available_width() - 30.0);
|
|
ui.label("30:00");
|
|
});
|
|
});
|
|
|
|
SidePanel::right("right_panel")
|
|
.resizable(false)
|
|
.min_width(180.0)
|
|
.show(ctx, |ui| {
|
|
ui.horizontal(|ui| {
|
|
ui.heading("🌐 Known Peers");
|
|
ui.add_space(20.0);
|
|
if ui.button("🔄").clicked() {
|
|
let res = self.network_cmd_tx.send(NetworkCommand::FetchPeerList(
|
|
self.connect_address_input.clone(),
|
|
));
|
|
if let Some(error) = res.err() {
|
|
println!(
|
|
"[GUI] Error while sending crossbeam message to Network: {}",
|
|
error.to_string()
|
|
);
|
|
}
|
|
}
|
|
});
|
|
|
|
ui.separator();
|
|
ScrollArea::vertical().show(ui, |ui| {
|
|
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); // if peer.id == self.active_peer_id
|
|
|
|
if ui
|
|
.selectable_label(is_active, format!("{}", peer))
|
|
.clicked()
|
|
{
|
|
// switch to displaying this peer's tree
|
|
self.active_peer = Some(peer.clone());
|
|
// Request root content if not loaded
|
|
if !self
|
|
.loaded_fs
|
|
.contains_key(self.active_peer.as_ref().unwrap())
|
|
{
|
|
todo!();
|
|
// let _ = self.network_cmd_tx.send(NetworkCommand::RequestDirectoryContent(
|
|
// peer.clone(),
|
|
// peer.clone(),
|
|
// ));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
CentralPanel::default().show(ctx, |ui| {
|
|
ui.heading({
|
|
if let Some(peer) = &self.active_peer {
|
|
format!("📂 {}'s tree", peer)
|
|
} else {
|
|
"📂 p2p-merkel client".to_string()
|
|
}
|
|
});
|
|
ui.separator();
|
|
|
|
if let Some(active_peer) = &self.active_peer {
|
|
if let Some(tree) = self.loaded_fs.get(active_peer) {
|
|
ScrollArea::vertical().show(ui, |ui| {
|
|
// Start drawing the tree from the root hash
|
|
self.draw_file_tree(ui, tree);
|
|
});
|
|
} else {
|
|
ui.label(format!("Loading root for peer: {}", active_peer));
|
|
}
|
|
} else {
|
|
ui.label("Connect to a peer to view a file tree.");
|
|
}
|
|
|
|
ui.separator();
|
|
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));
|
|
});
|
|
|
|
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| {
|
|
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),
|
|
);
|
|
}
|
|
});
|
|
}
|
|
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);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|