Files
p2p-chat/src/app_logic.rs

453 lines
20 KiB
Rust

use crate::chat::ChatState;
use crate::config::AppConfig;
use crate::file_transfer::FileTransferManager;
use crate::media::MediaState;
use crate::net::{NetEvent, NetworkManager};
use crate::protocol::{self, GossipMessage};
use crate::tui::TuiCommand;
use anyhow::Result;
pub struct AppLogic {
pub chat: ChatState,
pub file_mgr: FileTransferManager,
pub media: MediaState,
pub net: NetworkManager,
pub our_name: String,
pub our_id_short: String,
pub connected: bool,
}
impl AppLogic {
pub fn new(
chat: ChatState,
file_mgr: FileTransferManager,
media: MediaState,
net: NetworkManager,
our_name: String,
our_id_short: String,
) -> Self {
Self {
chat,
file_mgr,
media,
net,
our_name,
our_id_short,
connected: false,
}
}
pub async fn handle_tui_command(&mut self, cmd: TuiCommand) -> Result<bool> {
match cmd {
TuiCommand::SendMessage(text) => {
if let Err(e) = self.chat.send_message(text, &self.net).await {
self.chat.add_system_message(format!("Send error: {}", e));
}
}
TuiCommand::SystemMessage(text) => {
self.chat.add_system_message(text);
}
TuiCommand::ToggleVoice => {
let status = self.media.toggle_voice(self.net.clone()).await;
self.chat.add_system_message(status.to_string());
}
TuiCommand::ToggleCamera => {
let status = self.media.toggle_camera(self.net.clone()).await;
self.chat.add_system_message(status.to_string());
}
TuiCommand::ToggleScreen => {
let status = self.media.toggle_screen(self.net.clone()).await;
self.chat.add_system_message(status.to_string());
}
TuiCommand::Quit => {
// Broadcast disconnect to peers
let disconnect_msg = GossipMessage::Disconnect {
sender_name: self.our_name.clone(),
};
let _ = self.net.broadcast(&disconnect_msg).await;
// Brief delay to let the message propagate
tokio::time::sleep(std::time::Duration::from_millis(100)).await;
self.media.shutdown();
return Ok(true); // Signal to quit
}
TuiCommand::ChangeNick(new_nick) => {
let old = self.our_name.clone();
self.our_name = new_nick.clone();
self.chat.our_name = new_nick.clone();
// Update self in peer list
{
let mut peers = self.net.peers.lock().await;
if let Some(self_peer) = peers.get_mut(&self.net.our_id) {
self_peer.name = Some(new_nick.clone());
}
}
self.chat
.add_system_message(format!("Nickname changed: {}{}", old, new_nick));
// Broadcast name change to all peers
let msg = GossipMessage::NameChange(protocol::NameChange {
old_name: old,
new_name: new_nick,
});
let _ = self.net.broadcast(&msg).await;
}
TuiCommand::Connect(peer_id_str) => {
match peer_id_str.parse::<crate::net::EndpointId>() {
Ok(peer_id) => {
self.chat
.add_system_message(format!("Connecting to {}...", peer_id));
if let Err(e) = self.net.connect(peer_id).await {
self.chat
.add_system_message(format!("Connection failed: {}", e));
} else {
self.chat
.add_system_message("Connection initiated.".to_string());
}
}
Err(_) => {
self.chat
.add_system_message(format!("Invalid peer ID: {}", peer_id_str));
}
}
}
TuiCommand::SendFile(path) => {
self.chat
.add_system_message(format!("Preparing to send file: {:?}", path));
if !path.exists() {
self.chat
.add_system_message(format!("File not found: {}", path.display()));
} else {
let file_mgr = self.file_mgr.clone();
// Prepare send
match file_mgr.prepare_send(&path).await {
Ok((file_id, offer)) => {
self.chat
.add_system_message(format!("Offering file: {}", offer.name));
let broadcast = protocol::FileOfferBroadcast {
sender_name: self.our_name.to_string(),
file_id,
file_name: offer.name.clone(),
file_size: offer.size,
timeout: offer.timeout,
};
let msg = GossipMessage::FileOfferBroadcast(broadcast);
if let Err(e) = self.net.broadcast(&msg).await {
self.chat.add_system_message(format!(
"Failed to broadcast offer: {}",
e
));
}
}
Err(e) => {
self.chat
.add_system_message(format!("Failed to prepare file: {}", e));
}
}
}
}
TuiCommand::Leave => {
self.chat
.add_system_message("Leaving group chat...".to_string());
self.media.shutdown();
// Clear peer list (except self)
{
let mut peers = self.net.peers.lock().await;
peers.retain(|_, info| info.is_self);
}
self.chat.add_system_message(
"Session ended. Use /connect <peer_id> to start a new session.".to_string(),
);
}
TuiCommand::SelectMic(node_name) => {
self.media.set_mic_name(Some(node_name.clone()));
if self.media.voice_enabled() {
self.chat
.add_system_message("Restarting voice with new mic...".to_string());
// Toggle off
let _ = self.media.toggle_voice(self.net.clone()).await;
// Toggle on
let status = self.media.toggle_voice(self.net.clone()).await;
self.chat.add_system_message(status.to_string());
}
self.chat
.add_system_message(format!("🎤 Mic set to: {}", node_name));
// Save to config
if let Ok(mut cfg) = AppConfig::load() {
cfg.media.mic_name = Some(node_name);
let _ = cfg.save();
}
}
TuiCommand::SetBitrate(bps) => {
self.media.set_bitrate(bps);
self.chat
.add_system_message(format!("🎵 Bitrate set to {} kbps", bps / 1000));
// Save to config
if let Ok(mut cfg) = AppConfig::load() {
cfg.media.mic_bitrate = bps;
let _ = cfg.save();
}
}
TuiCommand::SelectSpeaker(node_name) => {
self.media.set_speaker_name(Some(node_name.clone()));
self.chat
.add_system_message(format!("🔊 Speaker set to: {}", node_name));
// Save to config
if let Ok(mut cfg) = AppConfig::load() {
cfg.media.speaker_name = Some(node_name);
if let Err(e) = cfg.save() {
tracing::warn!("Failed to save config: {}", e);
}
}
if self.media.voice_enabled() {
self.chat
.add_system_message("Restart voice chat to apply changes.".to_string());
}
}
TuiCommand::AcceptFile(prefix) => {
// Find matching transfer
let transfers = self.file_mgr.transfers.lock().unwrap();
let mut matched = None;
for (id, info) in transfers.iter() {
let id_str = hex::encode(id);
if id_str.starts_with(&prefix) {
if matched.is_some() {
self.chat
.add_system_message(format!("Ambiguous prefix '{}'", prefix));
matched = None;
break;
}
matched = Some((*id, info.clone()));
}
}
drop(transfers);
if let Some((_id, info)) = matched {
if let Some(peer_id) = info.peer {
self.chat
.add_system_message(format!("Requesting file from {}...", peer_id));
let req = protocol::FileRequest {
sender_name: self.our_name.clone(),
file_id: info.file_id,
};
// Update state to Requesting so we auto-accept when stream comes
let expires_at = std::time::Instant::now() + std::time::Duration::from_secs(60);
{
// We need to upgrade the lock or re-acquire?
// We dropped transfers lock at line 221.
let mut transfers = self.file_mgr.transfers.lock().unwrap();
if let Some(t) = transfers.get_mut(&info.file_id) {
t.state = crate::file_transfer::TransferState::Requesting { expires_at };
}
}
let msg = GossipMessage::FileRequest(req);
let _ = self.net.broadcast(&msg).await;
} else {
self.chat.add_system_message(
"Cannot accept: Sender unknown (legacy offer?)".to_string(),
);
}
} else {
self.chat
.add_system_message(format!("No transfer found matching '{}'", prefix));
}
}
TuiCommand::None => {}
}
Ok(false) // Do not quit
}
pub async fn handle_net_event(&mut self, event: NetEvent) {
match event {
NetEvent::GossipReceived { from, message } => match message {
GossipMessage::Chat(msg) => {
self.chat.receive_message(msg);
}
GossipMessage::Capabilities(caps) => {
let mut peers = self.net.peers.lock().await;
if let Some(peer) = peers.get_mut(&from) {
peer.name = Some(caps.sender_name.clone());
peer.capabilities = Some(caps);
}
}
GossipMessage::PeerAnnounce(announce) => {
let mut peers = self.net.peers.lock().await;
if let Some(peer) = peers.get_mut(&from) {
peer.name = Some(announce.sender_name.clone());
}
let short_id: String = format!("{}", from).chars().take(8).collect();
self.chat.add_system_message(format!(
"{} ({}) joined",
announce.sender_name, short_id
));
}
GossipMessage::FileOfferBroadcast(offer) => {
self.chat.add_system_message(format!(
"{} offers file: {} ({})",
offer.sender_name,
offer.file_name,
crate::file_transfer::format_bytes(offer.file_size)
));
self.file_mgr.register_incoming_broadcast(&offer, from);
}
GossipMessage::FileRequest(req) => {
let file_mgr = self.file_mgr.clone();
let net = self.net.clone();
let file_id = req.file_id;
let peer_id = from;
let sender_name = req.sender_name.clone();
// Check if we have transfer info
let transfer_opt = {
let transfers = file_mgr.transfers.lock().unwrap();
transfers.get(&file_id).cloned()
};
if let Some(info) = transfer_opt {
if let (Some(path), Some(offer)) = (info.path, info.offer) {
self.chat.add_system_message(format!(
"Starting transfer of {} to {}",
info.file_name, sender_name
));
tokio::spawn(async move {
// Open connection
match net.open_file_stream(peer_id).await {
Ok((mut send, mut recv)) => {
if let Err(e) = file_mgr
.execute_send(
file_id, &path, offer, &mut send, &mut recv,
)
.await
{
eprintln!("Transfer failed: {}", e);
let mut transfers = file_mgr.transfers.lock().unwrap();
if let Some(t) = transfers.get_mut(&file_id) {
t.state =
crate::file_transfer::TransferState::Failed {
error: e.to_string(),
completed_at: std::time::Instant::now(),
};
}
}
}
Err(e) => {
eprintln!(
"Failed to open connection to {}: {}",
peer_id, e
);
let mut transfers = file_mgr.transfers.lock().unwrap();
if let Some(t) = transfers.get_mut(&file_id) {
t.state = crate::file_transfer::TransferState::Failed {
error: format!("Conn error: {}", e),
completed_at: std::time::Instant::now(),
};
}
}
}
});
} else {
self.chat.add_system_message(
"Cannot send: Missing file path or offer details.".to_string(),
);
}
} else {
self.chat
.add_system_message("Received request for unknown file.".to_string());
}
}
GossipMessage::NameChange(change) => {
let mut peers = self.net.peers.lock().await;
if let Some(peer) = peers.get_mut(&from) {
peer.name = Some(change.new_name.clone());
}
self.chat.add_system_message(format!(
"✏️ {} is now known as {}",
change.old_name, change.new_name
));
}
GossipMessage::Disconnect { sender_name } => {
let mut should_exit = false;
{
let mut peers = self.net.peers.lock().await;
peers.remove(&from);
// Auto-terminate if no peers left
// We check if peers is empty. Note: we are not in peers map.
if peers.is_empty() {
should_exit = true;
}
}
let short_id: String = format!("{}", from).chars().take(8).collect();
self.chat.add_system_message(format!(
"👋 {} ({}) disconnected",
sender_name, short_id
));
if should_exit && self.connected {
self.chat
.add_system_message("All peers disconnected. Exiting...".to_string());
// Trigger shutdown
self.media.shutdown();
std::process::exit(0);
}
}
},
NetEvent::PeerUp(peer_id) => {
let short_id: String = format!("{}", peer_id).chars().take(8).collect();
self.chat
.add_system_message(format!("Peer connected: {}", short_id));
self.connected = true;
}
NetEvent::PeerDown(peer_id) => {
let mut should_exit = false;
{
let mut peers = self.net.peers.lock().await;
peers.remove(&peer_id);
if peers.is_empty() {
should_exit = true;
}
}
let short_id: String = format!("{}", peer_id).chars().take(8).collect();
self.chat
.add_system_message(format!("Peer disconnected: {}", short_id));
if should_exit && self.connected {
self.chat
.add_system_message("All peers disconnected. Exiting...".to_string());
self.media.shutdown();
std::process::exit(0);
}
}
NetEvent::IncomingFileStream {
from,
mut send,
mut recv,
} => {
self.chat
.add_system_message("Incoming file transfer...".to_string());
tracing::info!("Incoming file stream from {:?}", from);
let file_mgr = self.file_mgr.clone();
tokio::spawn(async move {
if let Err(e) = file_mgr.execute_receive(&mut send, &mut recv).await {
tracing::error!("File receive failed: {}", e);
}
});
}
NetEvent::IncomingMediaStream {
from,
kind,
send,
recv,
} => {
let short_id: String = format!("{}", from).chars().take(8).collect();
self.chat
.add_system_message(format!("📡 Incoming {:?} stream from {}", kind, short_id));
self.media.handle_incoming_media(from, kind, send, recv);
}
NetEvent::IncomingDatagram { from, data } => {
self.media.handle_incoming_datagram(from, data);
}
}
}
}