| 1 | //! HyprKVM Daemon - Main entry point |
| 2 | //! |
| 3 | //! The daemon handles: |
| 4 | //! - Hyprland IPC communication |
| 5 | //! - Edge detection (mouse and keyboard) |
| 6 | //! - Network connections to peer machines |
| 7 | //! - Input capture and injection |
| 8 | |
| 9 | use clap::{Parser, Subcommand}; |
| 10 | use tracing::{info, Level}; |
| 11 | use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt}; |
| 12 | |
| 13 | mod clipboard; |
| 14 | mod config; |
| 15 | #[cfg(feature = "gui")] |
| 16 | mod gui; |
| 17 | mod hyprland; |
| 18 | mod input; |
| 19 | mod ipc; |
| 20 | mod network; |
| 21 | mod state; |
| 22 | mod transfer; |
| 23 | |
| 24 | use config::Config; |
| 25 | |
| 26 | /// Convert keycode to human-readable name for logging |
| 27 | fn keycode_to_name(keycode: u32) -> &'static str { |
| 28 | match keycode { |
| 29 | 1 => "ESC", |
| 30 | 14 => "BACKSPACE", |
| 31 | 15 => "TAB", |
| 32 | 28 => "ENTER", |
| 33 | 29 => "LEFTCTRL", |
| 34 | 42 => "LEFTSHIFT", |
| 35 | 54 => "RIGHTSHIFT", |
| 36 | 56 => "LEFTALT", |
| 37 | 57 => "SPACE", |
| 38 | 58 => "CAPSLOCK", |
| 39 | 97 => "RIGHTCTRL", |
| 40 | 100 => "RIGHTALT", |
| 41 | 103 => "UP", |
| 42 | 105 => "LEFT", |
| 43 | 106 => "RIGHT", |
| 44 | 108 => "DOWN", |
| 45 | 125 => "LEFTMETA", |
| 46 | 126 => "RIGHTMETA", |
| 47 | _ => "OTHER", |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | #[derive(Parser)] |
| 52 | #[command(name = "hyprkvm")] |
| 53 | #[command(about = "Hyprland-native software KVM switch")] |
| 54 | #[command(version)] |
| 55 | struct Cli { |
| 56 | /// Config file path |
| 57 | #[arg(short, long)] |
| 58 | config: Option<std::path::PathBuf>, |
| 59 | |
| 60 | /// Increase log verbosity (-v, -vv, -vvv) |
| 61 | #[arg(short, long, action = clap::ArgAction::Count)] |
| 62 | verbose: u8, |
| 63 | |
| 64 | #[command(subcommand)] |
| 65 | command: Option<Commands>, |
| 66 | } |
| 67 | |
| 68 | #[derive(Subcommand)] |
| 69 | enum Commands { |
| 70 | /// Start the HyprKVM daemon |
| 71 | Daemon, |
| 72 | |
| 73 | /// Show daemon status |
| 74 | Status, |
| 75 | |
| 76 | /// Handle a move request (called by keybinding script) |
| 77 | Move { |
| 78 | /// Direction to move |
| 79 | direction: String, |
| 80 | }, |
| 81 | |
| 82 | /// Configuration management |
| 83 | Config { |
| 84 | #[command(subcommand)] |
| 85 | action: ConfigAction, |
| 86 | }, |
| 87 | |
| 88 | /// Launch the graphical configuration interface |
| 89 | #[cfg(feature = "gui")] |
| 90 | Gui, |
| 91 | } |
| 92 | |
| 93 | #[derive(Subcommand)] |
| 94 | enum ConfigAction { |
| 95 | /// Show current configuration |
| 96 | Show, |
| 97 | /// Reload configuration |
| 98 | Reload, |
| 99 | } |
| 100 | |
| 101 | fn main() -> anyhow::Result<()> { |
| 102 | let cli = Cli::parse(); |
| 103 | |
| 104 | // Set up logging with dual output (stderr + file) |
| 105 | let log_level = match cli.verbose { |
| 106 | 0 => Level::INFO, |
| 107 | 1 => Level::DEBUG, |
| 108 | _ => Level::TRACE, |
| 109 | }; |
| 110 | |
| 111 | // Create log directory |
| 112 | let log_dir = dirs::data_local_dir() |
| 113 | .unwrap_or_else(|| std::path::PathBuf::from("/tmp")) |
| 114 | .join("hyprkvm"); |
| 115 | std::fs::create_dir_all(&log_dir).ok(); |
| 116 | |
| 117 | // File appender with daily rotation |
| 118 | let file_appender = tracing_appender::rolling::daily(&log_dir, "daemon.log"); |
| 119 | let (non_blocking, _guard) = tracing_appender::non_blocking(file_appender); |
| 120 | |
| 121 | // Build subscriber with both stderr and file layers |
| 122 | let subscriber = tracing_subscriber::registry() |
| 123 | .with( |
| 124 | tracing_subscriber::fmt::layer() |
| 125 | .with_target(false) |
| 126 | .with_writer(std::io::stderr) |
| 127 | ) |
| 128 | .with( |
| 129 | tracing_subscriber::fmt::layer() |
| 130 | .with_target(true) |
| 131 | .with_ansi(false) |
| 132 | .with_writer(non_blocking) |
| 133 | ) |
| 134 | .with( |
| 135 | tracing_subscriber::filter::LevelFilter::from_level(log_level) |
| 136 | ); |
| 137 | subscriber.init(); |
| 138 | |
| 139 | // Load configuration path |
| 140 | let config_path = cli.config.unwrap_or_else(|| { |
| 141 | dirs::config_dir() |
| 142 | .unwrap_or_else(|| std::path::PathBuf::from(".")) |
| 143 | .join("hyprkvm") |
| 144 | .join("hyprkvm.toml") |
| 145 | }); |
| 146 | |
| 147 | // Handle GUI: either explicit `gui` command OR no command (default) |
| 148 | #[cfg(feature = "gui")] |
| 149 | if cli.command.is_none() || matches!(cli.command, Some(Commands::Gui)) { |
| 150 | info!("Starting HyprKVM GUI..."); |
| 151 | return gui::run_gui(&config_path); |
| 152 | } |
| 153 | |
| 154 | // If GUI feature not enabled and no command given, show helpful message |
| 155 | #[cfg(not(feature = "gui"))] |
| 156 | if cli.command.is_none() { |
| 157 | eprintln!("No command specified. Available commands:"); |
| 158 | eprintln!(" hyprkvm daemon - Start the KVM daemon"); |
| 159 | eprintln!(" hyprkvm status - Show daemon status"); |
| 160 | eprintln!(" hyprkvm config - Configuration management"); |
| 161 | eprintln!(); |
| 162 | eprintln!("To enable the GUI, rebuild with: cargo build --features gui"); |
| 163 | std::process::exit(1); |
| 164 | } |
| 165 | |
| 166 | // Run async commands in tokio runtime |
| 167 | // At this point we know command is Some(...) because None cases are handled above |
| 168 | let command = cli.command.expect("command should be Some at this point"); |
| 169 | |
| 170 | tokio::runtime::Builder::new_multi_thread() |
| 171 | .enable_all() |
| 172 | .build()? |
| 173 | .block_on(async { |
| 174 | match command { |
| 175 | Commands::Daemon => { |
| 176 | info!("Starting HyprKVM daemon..."); |
| 177 | run_daemon(&config_path).await |
| 178 | } |
| 179 | Commands::Status => { |
| 180 | show_status().await |
| 181 | } |
| 182 | Commands::Move { direction } => { |
| 183 | handle_move(&direction).await |
| 184 | } |
| 185 | Commands::Config { action } => { |
| 186 | match action { |
| 187 | ConfigAction::Show => show_config(&config_path), |
| 188 | ConfigAction::Reload => reload_config().await, |
| 189 | } |
| 190 | } |
| 191 | #[cfg(feature = "gui")] |
| 192 | Commands::Gui => unreachable!("GUI handled above"), |
| 193 | } |
| 194 | }) |
| 195 | } |
| 196 | |
| 197 | async fn run_daemon(config_path: &std::path::Path) -> anyhow::Result<()> { |
| 198 | use std::collections::HashMap; |
| 199 | use std::net::SocketAddr; |
| 200 | use std::sync::Arc; |
| 201 | use tokio::sync::RwLock; |
| 202 | use hyprkvm_common::Direction; |
| 203 | use hyprkvm_common::protocol::{Message, HelloPayload, PROTOCOL_VERSION}; |
| 204 | |
| 205 | // Load or create default config |
| 206 | let mut config = match Config::load(config_path) { |
| 207 | Ok(cfg) => cfg, |
| 208 | Err(e) => { |
| 209 | tracing::warn!("Failed to load config: {e}, using defaults"); |
| 210 | Config::default() |
| 211 | } |
| 212 | }; |
| 213 | |
| 214 | info!("Machine name: {}", config.machines.self_name); |
| 215 | info!("Listening on port: {}", config.network.listen_port); |
| 216 | |
| 217 | // Track daemon start time for uptime reporting |
| 218 | let daemon_start_time = std::time::Instant::now(); |
| 219 | |
| 220 | // State flags for CLI control |
| 221 | let barrier_enabled = std::sync::Arc::new(std::sync::atomic::AtomicBool::new(false)); |
| 222 | let shutdown_requested = std::sync::Arc::new(std::sync::atomic::AtomicBool::new(false)); |
| 223 | |
| 224 | // Connect to Hyprland |
| 225 | info!("Connecting to Hyprland..."); |
| 226 | let hypr_client = hyprland::ipc::HyprlandClient::new().await?; |
| 227 | |
| 228 | // Query monitors to validate connection |
| 229 | let monitors = hypr_client.monitors().await?; |
| 230 | info!("Connected to Hyprland. Monitors: {}", monitors.len()); |
| 231 | for mon in &monitors { |
| 232 | info!(" {} at ({}, {}) {}x{}", mon.name, mon.x, mon.y, mon.width, mon.height); |
| 233 | } |
| 234 | |
| 235 | // Calculate screen bounds in LOGICAL coordinates (cursor position uses logical coords) |
| 236 | // Hyprland reports physical dimensions, but cursor_pos() returns logical coordinates |
| 237 | // Logical size = physical size / scale |
| 238 | let screen_min_x: i32 = monitors.iter().map(|m| m.x).min().unwrap_or(0); |
| 239 | let screen_min_y: i32 = monitors.iter().map(|m| m.y).min().unwrap_or(0); |
| 240 | let screen_max_x: i32 = monitors.iter().map(|m| { |
| 241 | let logical_width = (m.width as f32 / m.scale).round() as i32; |
| 242 | m.x + logical_width |
| 243 | }).max().unwrap_or(1920); |
| 244 | let screen_max_y: i32 = monitors.iter().map(|m| { |
| 245 | let logical_height = (m.height as f32 / m.scale).round() as i32; |
| 246 | m.y + logical_height |
| 247 | }).max().unwrap_or(1080); |
| 248 | let screen_width: u32 = (screen_max_x - screen_min_x) as u32; |
| 249 | let screen_height: u32 = (screen_max_y - screen_min_y) as u32; |
| 250 | info!("Screen bounds (logical): ({}, {}) to ({}, {}), dimensions: {}x{}", |
| 251 | screen_min_x, screen_min_y, screen_max_x, screen_max_y, screen_width, screen_height); |
| 252 | |
| 253 | // Determine which edges have network neighbors |
| 254 | let mut enabled_edges = Vec::new(); |
| 255 | let mut neighbor_map: HashMap<Direction, SocketAddr> = HashMap::new(); |
| 256 | for neighbor in &config.machines.neighbors { |
| 257 | enabled_edges.push(neighbor.direction); |
| 258 | neighbor_map.insert(neighbor.direction, neighbor.address); |
| 259 | info!(" Network neighbor: {} ({}) at {}", neighbor.name, neighbor.direction, neighbor.address); |
| 260 | } |
| 261 | |
| 262 | // If no neighbors configured, just run in demo mode |
| 263 | if enabled_edges.is_empty() { |
| 264 | info!("No neighbors configured. Add neighbors in config to enable control transfer."); |
| 265 | enabled_edges = vec![Direction::Left, Direction::Right]; |
| 266 | } |
| 267 | |
| 268 | // Start edge capture |
| 269 | info!("Starting edge capture for: {:?}", enabled_edges); |
| 270 | let monitor_infos: Vec<input::MonitorInfo> = monitors.iter().map(|m| input::MonitorInfo { |
| 271 | name: m.name.clone(), |
| 272 | x: m.x, |
| 273 | y: m.y, |
| 274 | width: m.width, |
| 275 | height: m.height, |
| 276 | scale: m.scale, |
| 277 | }).collect(); |
| 278 | |
| 279 | // Store per-monitor logical bounds for cursor edge detection |
| 280 | // Each tuple: (x, y, logical_width, logical_height) |
| 281 | let monitor_logical_bounds: Vec<(i32, i32, i32, i32)> = monitors.iter().map(|m| { |
| 282 | let logical_width = (m.width as f32 / m.scale).round() as i32; |
| 283 | let logical_height = (m.height as f32 / m.scale).round() as i32; |
| 284 | (m.x, m.y, logical_width, logical_height) |
| 285 | }).collect(); |
| 286 | |
| 287 | let edge_capture = input::EdgeCapture::new(input::EdgeCaptureConfig { |
| 288 | barrier_size: 1, |
| 289 | enabled_edges: enabled_edges.clone(), |
| 290 | monitors: monitor_infos, |
| 291 | })?; |
| 292 | |
| 293 | // Create input grabber (for when we send control elsewhere) |
| 294 | // Use evdev-based grabber for reliable input capture at kernel level |
| 295 | let input_grabber = input::EvdevGrabber::new()?; |
| 296 | |
| 297 | // Create input emulator (for when we receive control from elsewhere) |
| 298 | // This is created lazily when we first need to inject |
| 299 | let mut input_emulator: Option<input::InputEmulator> = None; |
| 300 | |
| 301 | // Create transfer manager |
| 302 | let (transfer_manager, mut transfer_events) = transfer::TransferManager::new( |
| 303 | config.machines.self_name.clone(), |
| 304 | ); |
| 305 | let transfer_manager = Arc::new(transfer_manager); |
| 306 | |
| 307 | // Create clipboard manager |
| 308 | let clipboard_manager = std::sync::Arc::new(clipboard::ClipboardManager::new( |
| 309 | config.clipboard.clone(), |
| 310 | )); |
| 311 | |
| 312 | // Track which direction we're capturing for |
| 313 | let mut capture_direction: Option<Direction> = None; |
| 314 | // Track relay mode: (from, to) when forwarding input from one peer to another |
| 315 | let mut relay_mode: Option<(Direction, Direction)> = None; |
| 316 | let mut input_sequence: u64 = 0; |
| 317 | |
| 318 | // Escape key detection |
| 319 | // KEY_SCROLLLOCK = 70 in Linux evdev keycodes |
| 320 | const KEY_SCROLLLOCK: u32 = 70; |
| 321 | const KEY_LEFTSHIFT: u32 = 42; |
| 322 | const KEY_RIGHTSHIFT: u32 = 54; |
| 323 | let mut shift_tap_times: Vec<std::time::Instant> = Vec::new(); |
| 324 | let triple_tap_window = std::time::Duration::from_millis( |
| 325 | config.input.escape_hotkey.triple_tap_window_ms |
| 326 | ); |
| 327 | |
| 328 | // Cursor-based edge detection state |
| 329 | let mut last_cursor_pos: Option<(i32, i32)> = None; |
| 330 | let mut edge_dwell_start: Option<(Direction, std::time::Instant)> = None; |
| 331 | const EDGE_THRESHOLD: i32 = 2; // Pixels from edge to count as "at edge" |
| 332 | const EDGE_DWELL_MS: u64 = 50; // How long cursor must be at edge to trigger |
| 333 | |
| 334 | // Cooldown after control returns to prevent immediate bounce-back |
| 335 | // Stores (timestamp, return_direction) - the direction is the arrow key the user pressed to return |
| 336 | let mut last_control_return: Option<(std::time::Instant, Direction)> = None; |
| 337 | const CONTROL_RETURN_COOLDOWN_MS: u64 = 300; // 300ms cooldown - spurious keypresses happen within ~100-400ms |
| 338 | |
| 339 | // Connection storage: direction -> peer connection |
| 340 | let peers: Arc<RwLock<HashMap<Direction, network::FramedConnection>>> = |
| 341 | Arc::new(RwLock::new(HashMap::new())); |
| 342 | |
| 343 | // TLS setup (if enabled) |
| 344 | let tls_enabled = config.network.tls.enabled; |
| 345 | if tls_enabled { |
| 346 | info!("TLS is enabled, ensuring certificates exist..."); |
| 347 | let cert_path = std::path::Path::new(&config.network.tls.cert_path); |
| 348 | let key_path = std::path::Path::new(&config.network.tls.key_path); |
| 349 | |
| 350 | if let Err(e) = network::ensure_certificate(cert_path, key_path, &config.machines.self_name) { |
| 351 | anyhow::bail!("Failed to setup TLS certificates: {}", e); |
| 352 | } |
| 353 | |
| 354 | // Print certificate fingerprint for users to share |
| 355 | match network::get_cert_fingerprint(cert_path) { |
| 356 | Ok(fp) => { |
| 357 | info!("Certificate fingerprint: {}", fp); |
| 358 | info!("Share this fingerprint with peers for secure verification"); |
| 359 | } |
| 360 | Err(e) => { |
| 361 | tracing::warn!("Could not read certificate fingerprint: {}", e); |
| 362 | } |
| 363 | } |
| 364 | } else { |
| 365 | info!("TLS is disabled (plain TCP mode for backwards compatibility)"); |
| 366 | } |
| 367 | |
| 368 | // Load known hosts for TOFU |
| 369 | let known_hosts_path = network::KnownHosts::default_path(); |
| 370 | let known_hosts = match network::KnownHosts::load(&known_hosts_path) { |
| 371 | Ok(kh) => { |
| 372 | if !kh.hosts.is_empty() { |
| 373 | info!("Loaded {} known host(s) from {:?}", kh.hosts.len(), known_hosts_path); |
| 374 | } |
| 375 | Arc::new(RwLock::new(kh)) |
| 376 | } |
| 377 | Err(e) => { |
| 378 | tracing::warn!("Failed to load known hosts: {}, starting fresh", e); |
| 379 | Arc::new(RwLock::new(network::KnownHosts::default())) |
| 380 | } |
| 381 | }; |
| 382 | let tofu_enabled = config.network.tls.tofu; |
| 383 | |
| 384 | // Start network server |
| 385 | let listen_addr: SocketAddr = format!("0.0.0.0:{}", config.network.listen_port).parse()?; |
| 386 | let server = if tls_enabled { |
| 387 | let cert_path = std::path::Path::new(&config.network.tls.cert_path); |
| 388 | let key_path = std::path::Path::new(&config.network.tls.key_path); |
| 389 | network::Server::bind_tls(listen_addr, cert_path, key_path).await? |
| 390 | } else { |
| 391 | network::Server::bind(listen_addr).await? |
| 392 | }; |
| 393 | info!("Listening for connections on {} (TLS: {})", server.local_addr(), tls_enabled); |
| 394 | |
| 395 | // Channel for signaling config changes that require restart |
| 396 | let (restart_tx, mut restart_rx) = tokio::sync::mpsc::channel::<String>(1); |
| 397 | |
| 398 | // Spawn task to accept incoming connections |
| 399 | let machine_name = config.machines.self_name.clone(); |
| 400 | let neighbors_for_accept = config.machines.neighbors.clone(); |
| 401 | let peers_for_accept = peers.clone(); |
| 402 | let known_hosts_for_accept = known_hosts.clone(); |
| 403 | let known_hosts_path_for_accept = known_hosts_path.clone(); |
| 404 | let config_path_for_accept = config_path.to_path_buf(); |
| 405 | let restart_tx_for_accept = restart_tx.clone(); |
| 406 | let accept_handle = tokio::spawn(async move { |
| 407 | loop { |
| 408 | match server.accept().await { |
| 409 | Ok(mut conn) => { |
| 410 | let addr = conn.remote_addr(); |
| 411 | info!("Incoming connection from {}", addr); |
| 412 | |
| 413 | // Receive Hello |
| 414 | match conn.recv().await { |
| 415 | Ok(Some(Message::Hello(hello))) => { |
| 416 | info!("Peer {} connected (protocol v{})", hello.machine_name, hello.protocol_version); |
| 417 | |
| 418 | // Verify TLS fingerprint if this is a TLS connection |
| 419 | if let Some(peer_fp) = conn.peer_fingerprint() { |
| 420 | let mut kh = known_hosts_for_accept.write().await; |
| 421 | match kh.is_trusted(&hello.machine_name, peer_fp) { |
| 422 | network::TrustStatus::Trusted => { |
| 423 | info!("Peer {} fingerprint verified", hello.machine_name); |
| 424 | kh.touch(&hello.machine_name); |
| 425 | } |
| 426 | network::TrustStatus::Unknown => { |
| 427 | if tofu_enabled { |
| 428 | info!("TOFU: Trusting new peer {} with fingerprint {}", hello.machine_name, peer_fp); |
| 429 | kh.trust_host(&hello.machine_name, peer_fp); |
| 430 | if let Err(e) = kh.save(&known_hosts_path_for_accept) { |
| 431 | tracing::error!("Failed to save known hosts: {}", e); |
| 432 | } |
| 433 | } else { |
| 434 | tracing::warn!("Unknown peer {} fingerprint and TOFU disabled, rejecting", hello.machine_name); |
| 435 | continue; |
| 436 | } |
| 437 | } |
| 438 | network::TrustStatus::Changed { old_fingerprint, new_fingerprint } => { |
| 439 | tracing::error!( |
| 440 | "SECURITY WARNING: Peer {} fingerprint CHANGED!\n Old: {}\n New: {}\n This could indicate a man-in-the-middle attack!", |
| 441 | hello.machine_name, old_fingerprint, new_fingerprint |
| 442 | ); |
| 443 | continue; // Reject the connection |
| 444 | } |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | // Send HelloAck |
| 449 | let ack = Message::HelloAck(hyprkvm_common::protocol::HelloAckPayload { |
| 450 | accepted: true, |
| 451 | protocol_version: PROTOCOL_VERSION, |
| 452 | machine_name: machine_name.clone(), |
| 453 | error: None, |
| 454 | }); |
| 455 | if let Err(e) = conn.send(&ack).await { |
| 456 | tracing::error!("Failed to send HelloAck: {}", e); |
| 457 | continue; |
| 458 | } |
| 459 | |
| 460 | // Determine direction: use opposite of what peer told us, or fall back to config |
| 461 | let direction = if let Some(peer_dir) = hello.my_direction_for_you { |
| 462 | // Peer says "I have you as X", so we store them as opposite(X) |
| 463 | Some(peer_dir.opposite()) |
| 464 | } else { |
| 465 | // Legacy: look up in our config |
| 466 | neighbors_for_accept |
| 467 | .iter() |
| 468 | .find(|n| n.name == hello.machine_name) |
| 469 | .map(|n| n.direction) |
| 470 | }; |
| 471 | |
| 472 | // NOTE: We no longer auto-correct direction based on peer claims. |
| 473 | // Direction changes are now handled explicitly via DirectionChange messages |
| 474 | // sent when the user changes direction in the GUI. |
| 475 | // This prevents the config from being overwritten on reconnect. |
| 476 | if let Some(peer_dir) = hello.my_direction_for_you { |
| 477 | let new_dir = peer_dir.opposite(); |
| 478 | let existing = neighbors_for_accept |
| 479 | .iter() |
| 480 | .find(|n| n.name == hello.machine_name); |
| 481 | |
| 482 | if let Some(existing_neighbor) = existing { |
| 483 | if existing_neighbor.direction != new_dir { |
| 484 | // Just log the mismatch, don't auto-correct |
| 485 | // The user should update both configs via the GUI |
| 486 | tracing::warn!( |
| 487 | "Direction mismatch for {}: our config says {:?}, peer claims {:?}. \ |
| 488 | Use the GUI to update directions on both machines.", |
| 489 | hello.machine_name, existing_neighbor.direction, new_dir |
| 490 | ); |
| 491 | } |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | if let Some(dir) = direction { |
| 496 | let mut peers = peers_for_accept.write().await; |
| 497 | if peers.contains_key(&dir) { |
| 498 | info!("Already have connection for {:?}, dropping incoming from {}", dir, hello.machine_name); |
| 499 | // Drop the incoming connection, keep the existing one |
| 500 | } else { |
| 501 | info!("Storing incoming connection from {} as {:?} (peer claimed {:?})", |
| 502 | hello.machine_name, dir, hello.my_direction_for_you); |
| 503 | peers.insert(dir, conn); |
| 504 | } |
| 505 | } else { |
| 506 | tracing::warn!( |
| 507 | "Unknown peer '{}' connected - not in neighbors list and no direction provided", |
| 508 | hello.machine_name |
| 509 | ); |
| 510 | // Connection will be dropped |
| 511 | } |
| 512 | } |
| 513 | Ok(Some(other)) => { |
| 514 | tracing::warn!("Expected Hello, got {:?}", other); |
| 515 | } |
| 516 | Ok(None) => { |
| 517 | tracing::debug!("Connection closed during handshake"); |
| 518 | } |
| 519 | Err(e) => { |
| 520 | tracing::error!("Handshake error: {}", e); |
| 521 | } |
| 522 | } |
| 523 | } |
| 524 | Err(e) => { |
| 525 | tracing::error!("Accept error: {}", e); |
| 526 | } |
| 527 | } |
| 528 | } |
| 529 | }); |
| 530 | |
| 531 | // Connect to configured peers (with retry loop) |
| 532 | for neighbor in &config.machines.neighbors { |
| 533 | let addr = neighbor.address; |
| 534 | let direction = neighbor.direction; |
| 535 | let peers_clone = peers.clone(); |
| 536 | let machine_name = config.machines.self_name.clone(); |
| 537 | let neighbor_name = neighbor.name.clone(); |
| 538 | |
| 539 | // Determine if TLS should be used for this neighbor |
| 540 | // Per-neighbor override takes precedence over global setting |
| 541 | let use_tls = neighbor.tls.unwrap_or(tls_enabled); |
| 542 | let fingerprint = neighbor.fingerprint.clone(); |
| 543 | let tofu_enabled = config.network.tls.tofu; |
| 544 | let known_hosts_clone = known_hosts.clone(); |
| 545 | let known_hosts_path_clone = known_hosts_path.clone(); |
| 546 | |
| 547 | tokio::spawn(async move { |
| 548 | loop { |
| 549 | // Check if already connected |
| 550 | { |
| 551 | let peers = peers_clone.read().await; |
| 552 | if peers.contains_key(&direction) { |
| 553 | // Already connected, wait and check again |
| 554 | drop(peers); |
| 555 | tokio::time::sleep(std::time::Duration::from_secs(5)).await; |
| 556 | continue; |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | tracing::debug!("Connecting to {} at {} (TLS: {})...", direction, addr, use_tls); |
| 561 | |
| 562 | // Connect with or without TLS |
| 563 | let conn_result = if use_tls { |
| 564 | network::connect_tls( |
| 565 | addr, |
| 566 | &neighbor_name, |
| 567 | fingerprint.as_deref(), |
| 568 | tofu_enabled, |
| 569 | ).await |
| 570 | } else { |
| 571 | network::connect(addr).await |
| 572 | }; |
| 573 | |
| 574 | match conn_result { |
| 575 | Ok(mut conn) => { |
| 576 | // Send Hello with our direction for this peer |
| 577 | // Peer will use the opposite direction to store us |
| 578 | let hello = Message::Hello(HelloPayload { |
| 579 | protocol_version: PROTOCOL_VERSION, |
| 580 | machine_name: machine_name.clone(), |
| 581 | capabilities: vec![], |
| 582 | my_direction_for_you: Some(direction), |
| 583 | }); |
| 584 | |
| 585 | if let Err(e) = conn.send(&hello).await { |
| 586 | tracing::error!("Failed to send Hello to {}: {}", direction, e); |
| 587 | tokio::time::sleep(std::time::Duration::from_secs(3)).await; |
| 588 | continue; |
| 589 | } |
| 590 | |
| 591 | // Wait for HelloAck |
| 592 | match conn.recv().await { |
| 593 | Ok(Some(Message::HelloAck(ack))) => { |
| 594 | if ack.accepted { |
| 595 | // Verify TLS fingerprint if this is a TLS connection |
| 596 | if let Some(peer_fp) = conn.peer_fingerprint() { |
| 597 | let mut kh = known_hosts_clone.write().await; |
| 598 | match kh.is_trusted(&neighbor_name, peer_fp) { |
| 599 | network::TrustStatus::Trusted => { |
| 600 | info!("Peer {} fingerprint verified", neighbor_name); |
| 601 | kh.touch(&neighbor_name); |
| 602 | } |
| 603 | network::TrustStatus::Unknown => { |
| 604 | if tofu_enabled { |
| 605 | info!("TOFU: Trusting new peer {} with fingerprint {}", neighbor_name, peer_fp); |
| 606 | kh.trust_host(&neighbor_name, peer_fp); |
| 607 | if let Err(e) = kh.save(&known_hosts_path_clone) { |
| 608 | tracing::error!("Failed to save known hosts: {}", e); |
| 609 | } |
| 610 | } else { |
| 611 | tracing::warn!("Unknown peer {} fingerprint and TOFU disabled, rejecting", neighbor_name); |
| 612 | tokio::time::sleep(std::time::Duration::from_secs(3)).await; |
| 613 | continue; |
| 614 | } |
| 615 | } |
| 616 | network::TrustStatus::Changed { old_fingerprint, new_fingerprint } => { |
| 617 | tracing::error!( |
| 618 | "SECURITY WARNING: Peer {} fingerprint CHANGED!\n Old: {}\n New: {}\n This could indicate a man-in-the-middle attack!", |
| 619 | neighbor_name, old_fingerprint, new_fingerprint |
| 620 | ); |
| 621 | tokio::time::sleep(std::time::Duration::from_secs(3)).await; |
| 622 | continue; // Reject and retry |
| 623 | } |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | let mut peers = peers_clone.write().await; |
| 628 | if peers.contains_key(&direction) { |
| 629 | info!("Already have connection for {:?}, dropping outbound to {}", direction, ack.machine_name); |
| 630 | // Drop this connection, keep the existing one |
| 631 | } else { |
| 632 | info!("Connected to {} ({})", ack.machine_name, direction); |
| 633 | peers.insert(direction, conn); |
| 634 | } |
| 635 | // Stay in loop to reconnect if connection drops |
| 636 | } else { |
| 637 | tracing::error!("Connection rejected: {:?}", ack.error); |
| 638 | } |
| 639 | } |
| 640 | Ok(Some(other)) => { |
| 641 | tracing::warn!("Expected HelloAck, got {:?}", other); |
| 642 | } |
| 643 | Ok(None) => { |
| 644 | tracing::warn!("Connection closed during handshake"); |
| 645 | } |
| 646 | Err(e) => { |
| 647 | tracing::error!("Handshake error: {}", e); |
| 648 | } |
| 649 | } |
| 650 | } |
| 651 | Err(e) => { |
| 652 | tracing::debug!("Failed to connect to {} ({}): {}", direction, addr, e); |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | // Retry after delay |
| 657 | tokio::time::sleep(std::time::Duration::from_secs(3)).await; |
| 658 | } |
| 659 | }); |
| 660 | } |
| 661 | |
| 662 | // Listen for Hyprland events |
| 663 | let mut event_stream = hyprland::events::HyprlandEventStream::connect().await?; |
| 664 | |
| 665 | // Start IPC server for CLI commands |
| 666 | let (ipc_tx, mut ipc_rx) = tokio::sync::mpsc::channel::<( |
| 667 | hyprkvm_common::protocol::IpcRequest, |
| 668 | tokio::sync::oneshot::Sender<hyprkvm_common::protocol::IpcResponse>, |
| 669 | )>(16); |
| 670 | |
| 671 | tokio::spawn(async move { |
| 672 | let server = match ipc::IpcServer::bind().await { |
| 673 | Ok(s) => s, |
| 674 | Err(e) => { |
| 675 | tracing::error!("Failed to start IPC server: {}", e); |
| 676 | return; |
| 677 | } |
| 678 | }; |
| 679 | |
| 680 | loop { |
| 681 | match server.accept().await { |
| 682 | Ok(mut conn) => { |
| 683 | tracing::debug!("IPC: connection accepted"); |
| 684 | let ipc_tx = ipc_tx.clone(); |
| 685 | tokio::spawn(async move { |
| 686 | match conn.recv().await { |
| 687 | Ok(Some(request)) => { |
| 688 | tracing::debug!("IPC: received {:?}", request); |
| 689 | let (resp_tx, resp_rx) = tokio::sync::oneshot::channel(); |
| 690 | if ipc_tx.send((request, resp_tx)).await.is_ok() { |
| 691 | tracing::debug!("IPC: sent to main loop, awaiting response"); |
| 692 | match resp_rx.await { |
| 693 | Ok(response) => { |
| 694 | tracing::debug!("IPC: got response, sending to client"); |
| 695 | if let Err(e) = conn.send(&response).await { |
| 696 | tracing::error!("IPC: failed to send response: {}", e); |
| 697 | } |
| 698 | } |
| 699 | Err(e) => { |
| 700 | tracing::error!("IPC: response channel error: {}", e); |
| 701 | } |
| 702 | } |
| 703 | } else { |
| 704 | tracing::error!("IPC: failed to send request to main loop"); |
| 705 | } |
| 706 | } |
| 707 | Ok(None) => { |
| 708 | tracing::debug!("IPC: connection closed by client"); |
| 709 | } |
| 710 | Err(e) => { |
| 711 | tracing::debug!("IPC recv error: {}", e); |
| 712 | } |
| 713 | } |
| 714 | }); |
| 715 | } |
| 716 | Err(e) => { |
| 717 | tracing::error!("IPC accept error: {}", e); |
| 718 | } |
| 719 | } |
| 720 | } |
| 721 | }); |
| 722 | |
| 723 | info!("Daemon running. Move mouse to screen edges to trigger transfer. Press Ctrl+C to stop."); |
| 724 | |
| 725 | loop { |
| 726 | tokio::select! { |
| 727 | // Check for edge events, grabber events, and poll peer messages |
| 728 | _ = tokio::time::sleep(std::time::Duration::from_micros(100)) => { |
| 729 | // Forward grabbed input to remote peer |
| 730 | if let Some(cap_dir) = capture_direction { |
| 731 | let mut should_escape = false; |
| 732 | |
| 733 | // Coalesce motion events - drain queue and accumulate |
| 734 | let mut motion_dx: f64 = 0.0; |
| 735 | let mut motion_dy: f64 = 0.0; |
| 736 | let mut scroll_h: f64 = 0.0; |
| 737 | let mut scroll_v: f64 = 0.0; |
| 738 | let mut other_events: Vec<input::GrabEvent> = Vec::new(); |
| 739 | |
| 740 | while let Some(grab_event) = input_grabber.try_recv() { |
| 741 | // Check for escape key before forwarding |
| 742 | match &grab_event { |
| 743 | input::GrabEvent::KeyDown { keycode } => { |
| 744 | tracing::debug!("CAPTURE KeyDown: keycode={} ({})", |
| 745 | keycode, keycode_to_name(*keycode)); |
| 746 | |
| 747 | // Check for scroll_lock |
| 748 | if *keycode == KEY_SCROLLLOCK { |
| 749 | info!("Scroll Lock pressed - returning control to local"); |
| 750 | should_escape = true; |
| 751 | continue; // Don't forward this key |
| 752 | } |
| 753 | |
| 754 | // Check for triple-tap shift |
| 755 | if config.input.escape_hotkey.triple_tap_enabled { |
| 756 | if *keycode == KEY_LEFTSHIFT || *keycode == KEY_RIGHTSHIFT { |
| 757 | let now = std::time::Instant::now(); |
| 758 | // Remove old taps outside the window |
| 759 | shift_tap_times.retain(|t| now.duration_since(*t) < triple_tap_window); |
| 760 | shift_tap_times.push(now); |
| 761 | |
| 762 | if shift_tap_times.len() >= 3 { |
| 763 | info!("Triple-tap Shift detected - returning control to local"); |
| 764 | should_escape = true; |
| 765 | shift_tap_times.clear(); |
| 766 | continue; |
| 767 | } |
| 768 | } |
| 769 | } |
| 770 | other_events.push(grab_event); |
| 771 | } |
| 772 | input::GrabEvent::KeyUp { keycode } => { |
| 773 | tracing::debug!("CAPTURE KeyUp: keycode={} ({})", |
| 774 | keycode, keycode_to_name(*keycode)); |
| 775 | other_events.push(grab_event); |
| 776 | } |
| 777 | input::GrabEvent::PointerMotion { dx, dy } => { |
| 778 | motion_dx += dx; |
| 779 | motion_dy += dy; |
| 780 | } |
| 781 | input::GrabEvent::PointerButton { .. } => { |
| 782 | other_events.push(grab_event); |
| 783 | } |
| 784 | input::GrabEvent::Scroll { horizontal, vertical } => { |
| 785 | scroll_h += horizontal; |
| 786 | scroll_v += vertical; |
| 787 | } |
| 788 | input::GrabEvent::ModifiersChanged { .. } => { |
| 789 | other_events.push(grab_event); |
| 790 | } |
| 791 | input::GrabEvent::RecoveryHotkey { .. } => { |
| 792 | // Should not happen during capture, ignore |
| 793 | tracing::warn!("RecoveryHotkey received during capture, ignoring"); |
| 794 | } |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | // Send non-motion events first (preserve order for key events) |
| 799 | { |
| 800 | let mut peers_guard = peers.write().await; |
| 801 | if let Some(peer) = peers_guard.get_mut(&cap_dir) { |
| 802 | for event in other_events { |
| 803 | let payload = event.to_protocol(input_sequence); |
| 804 | input_sequence += 1; |
| 805 | if let Err(e) = peer.send(&Message::InputEvent(payload)).await { |
| 806 | tracing::error!("Failed to send input event: {}", e); |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | // Send coalesced motion as single event |
| 811 | if motion_dx != 0.0 || motion_dy != 0.0 { |
| 812 | let motion_event = input::GrabEvent::PointerMotion { dx: motion_dx, dy: motion_dy }; |
| 813 | let payload = motion_event.to_protocol(input_sequence); |
| 814 | input_sequence += 1; |
| 815 | if let Err(e) = peer.send(&Message::InputEvent(payload)).await { |
| 816 | tracing::error!("Failed to send motion event: {}", e); |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | // Send coalesced scroll as single event |
| 821 | if scroll_h != 0.0 || scroll_v != 0.0 { |
| 822 | let scroll_event = input::GrabEvent::Scroll { horizontal: scroll_h, vertical: scroll_v }; |
| 823 | let payload = scroll_event.to_protocol(input_sequence); |
| 824 | input_sequence += 1; |
| 825 | if let Err(e) = peer.send(&Message::InputEvent(payload)).await { |
| 826 | tracing::error!("Failed to send scroll event: {}", e); |
| 827 | } |
| 828 | } |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | // If escape was triggered, stop capture and send Leave |
| 833 | if should_escape { |
| 834 | info!("Escape triggered - stopping capture"); |
| 835 | capture_direction = None; |
| 836 | input_grabber.stop(None); // No recovery needed for escape |
| 837 | |
| 838 | // Send Leave message - we're leaving in the opposite direction (returning to us) |
| 839 | let leave = Message::Leave(hyprkvm_common::protocol::LeavePayload { |
| 840 | to_direction: cap_dir.opposite(), |
| 841 | cursor_pos: hyprkvm_common::protocol::CursorEntryPos::EdgeRelative(0.5), |
| 842 | modifiers: hyprkvm_common::ModifierState::default(), |
| 843 | transfer_id: input_sequence, // Use as a simple unique ID |
| 844 | }); |
| 845 | let mut peers_guard = peers.write().await; |
| 846 | if let Some(peer) = peers_guard.get_mut(&cap_dir) { |
| 847 | if let Err(e) = peer.send(&leave).await { |
| 848 | tracing::error!("Failed to send Leave: {}", e); |
| 849 | } |
| 850 | } |
| 851 | } |
| 852 | } else { |
| 853 | // Not capturing - check for RecoveryHotkey events from recovery mode |
| 854 | // These bypass libinput's stale state by detecting keypresses directly at evdev level |
| 855 | while let Some(grab_event) = input_grabber.try_recv() { |
| 856 | if let input::GrabEvent::RecoveryHotkey { direction } = grab_event { |
| 857 | info!("RECOVERY HOTKEY: Super+{:?} detected via evdev", direction); |
| 858 | |
| 859 | // Same at_edge check as IPC Move - only transfer if at edge monitor+window |
| 860 | let at_edge = 'edge_check: { |
| 861 | // Get monitors and find focused one |
| 862 | let monitors = match hypr_client.monitors().await { |
| 863 | Ok(m) => m, |
| 864 | Err(e) => { |
| 865 | info!(" RECOVERY edge_check: monitors query failed: {}", e); |
| 866 | break 'edge_check false; |
| 867 | } |
| 868 | }; |
| 869 | let focused_monitor = match monitors.iter().find(|m| m.focused) { |
| 870 | Some(m) => m, |
| 871 | None => { |
| 872 | info!(" RECOVERY edge_check: no focused monitor found"); |
| 873 | break 'edge_check false; |
| 874 | } |
| 875 | }; |
| 876 | |
| 877 | // Check if there's another monitor in the requested direction |
| 878 | // Use logical dimensions (physical / scale) since positions are logical |
| 879 | let has_monitor_in_direction = monitors.iter().any(|m| { |
| 880 | if m.id == focused_monitor.id { return false; } |
| 881 | let m_logical_w = (m.width as f32 / m.scale).round() as i32; |
| 882 | let m_logical_h = (m.height as f32 / m.scale).round() as i32; |
| 883 | let focused_logical_w = (focused_monitor.width as f32 / focused_monitor.scale).round() as i32; |
| 884 | let focused_logical_h = (focused_monitor.height as f32 / focused_monitor.scale).round() as i32; |
| 885 | match direction { |
| 886 | Direction::Left => m.x + m_logical_w <= focused_monitor.x, |
| 887 | Direction::Right => m.x >= focused_monitor.x + focused_logical_w, |
| 888 | Direction::Up => m.y + m_logical_h <= focused_monitor.y, |
| 889 | Direction::Down => m.y >= focused_monitor.y + focused_logical_h, |
| 890 | } |
| 891 | }); |
| 892 | |
| 893 | if has_monitor_in_direction { |
| 894 | info!(" RECOVERY edge_check: has monitor in direction {:?}", direction); |
| 895 | break 'edge_check false; |
| 896 | } |
| 897 | |
| 898 | // On edge monitor. Check if at edge window. |
| 899 | let active_window: serde_json::Value = match hypr_client.query("activewindow").await { |
| 900 | Ok(w) => w, |
| 901 | Err(e) => { |
| 902 | info!(" RECOVERY edge_check: activewindow query failed: {}", e); |
| 903 | break 'edge_check false; |
| 904 | } |
| 905 | }; |
| 906 | |
| 907 | let win_x = active_window.get("at").and_then(|a| a.get(0)).and_then(|x| x.as_i64()).unwrap_or(0) as i32; |
| 908 | let win_y = active_window.get("at").and_then(|a| a.get(1)).and_then(|y| y.as_i64()).unwrap_or(0) as i32; |
| 909 | let win_w = active_window.get("size").and_then(|s| s.get(0)).and_then(|w| w.as_i64()).unwrap_or(100) as i32; |
| 910 | let win_h = active_window.get("size").and_then(|s| s.get(1)).and_then(|h| h.as_i64()).unwrap_or(100) as i32; |
| 911 | |
| 912 | // Get all clients (windows) |
| 913 | let clients: Vec<serde_json::Value> = match hypr_client.query("clients").await { |
| 914 | Ok(c) => c, |
| 915 | Err(e) => { |
| 916 | info!(" RECOVERY edge_check: clients query failed: {}", e); |
| 917 | break 'edge_check false; |
| 918 | } |
| 919 | }; |
| 920 | |
| 921 | // Check if any OTHER window on this monitor is further in that direction |
| 922 | // Use window-based detection for all directions (consistent with IPC Move) |
| 923 | let has_window_in_direction = clients.iter().any(|client| { |
| 924 | let mon = client.get("monitor").and_then(|m| m.as_i64()).unwrap_or(-1) as i32; |
| 925 | if mon != focused_monitor.id { return false; } |
| 926 | |
| 927 | let cx = client.get("at").and_then(|a| a.get(0)).and_then(|x| x.as_i64()).unwrap_or(0) as i32; |
| 928 | let cy = client.get("at").and_then(|a| a.get(1)).and_then(|y| y.as_i64()).unwrap_or(0) as i32; |
| 929 | let cw = client.get("size").and_then(|s| s.get(0)).and_then(|w| w.as_i64()).unwrap_or(0) as i32; |
| 930 | let ch = client.get("size").and_then(|s| s.get(1)).and_then(|h| h.as_i64()).unwrap_or(0) as i32; |
| 931 | |
| 932 | // Skip the active window itself |
| 933 | if cx == win_x && cy == win_y && cw == win_w && ch == win_h { |
| 934 | return false; |
| 935 | } |
| 936 | |
| 937 | match direction { |
| 938 | Direction::Left => cx + cw <= win_x + 10, |
| 939 | Direction::Right => cx >= win_x + win_w - 10, |
| 940 | Direction::Up => cy + ch <= win_y + 10, |
| 941 | Direction::Down => cy >= win_y + win_h - 10, |
| 942 | } |
| 943 | }); |
| 944 | |
| 945 | info!(" RECOVERY edge_check: has_window_in_direction={} -> at_edge={}", has_window_in_direction, !has_window_in_direction); |
| 946 | !has_window_in_direction |
| 947 | }; |
| 948 | |
| 949 | // Check if we have a peer in this direction |
| 950 | let has_peer = { |
| 951 | let peers = peers.read().await; |
| 952 | peers.contains_key(&direction) |
| 953 | }; |
| 954 | |
| 955 | if at_edge && has_peer { |
| 956 | // Get cursor position for transfer |
| 957 | let cursor_pos = hypr_client.cursor_pos().await |
| 958 | .map(|c| (c.x, c.y)) |
| 959 | .unwrap_or((0, 0)); |
| 960 | |
| 961 | if barrier_enabled.load(std::sync::atomic::Ordering::SeqCst) { |
| 962 | info!("RECOVERY HOTKEY: Barrier enabled, blocking transfer"); |
| 963 | } else { |
| 964 | info!("RECOVERY HOTKEY: At edge with peer, initiating transfer to {:?}", direction); |
| 965 | if let Err(e) = transfer_manager.initiate_transfer( |
| 966 | direction, |
| 967 | cursor_pos, |
| 968 | screen_min_x, |
| 969 | screen_min_y, |
| 970 | screen_max_x, |
| 971 | screen_max_y, |
| 972 | true, // keyboard-initiated (recovery hotkey) |
| 973 | ).await { |
| 974 | tracing::error!("Failed to initiate transfer from recovery hotkey: {}", e); |
| 975 | } |
| 976 | } |
| 977 | } else if !at_edge { |
| 978 | // Not at edge - need to do movefocus ourselves because libinput |
| 979 | // DROPPED the keypress due to stale state (it thinks the arrow key |
| 980 | // is still pressed from before the grab). This is the whole reason |
| 981 | // recovery mode exists. |
| 982 | let hypr_dir = match direction { |
| 983 | Direction::Left => "l", |
| 984 | Direction::Right => "r", |
| 985 | Direction::Up => "u", |
| 986 | Direction::Down => "d", |
| 987 | }; |
| 988 | info!("RECOVERY HOTKEY: Not at edge, doing movefocus {} (libinput dropped the keypress)", hypr_dir); |
| 989 | match hypr_client.dispatch("movefocus", hypr_dir).await { |
| 990 | Ok(()) => { |
| 991 | info!(" RECOVERY movefocus succeeded"); |
| 992 | // Set cooldown to prevent the IPC Move callback from initiating transfer |
| 993 | // (Hyprland fires IPC Move after movefocus, which would see at_edge=true |
| 994 | // after we moved to the edge window) |
| 995 | last_control_return = Some((std::time::Instant::now(), direction)); |
| 996 | } |
| 997 | Err(e) => tracing::error!(" RECOVERY movefocus failed: {}", e), |
| 998 | } |
| 999 | } else { |
| 1000 | info!("RECOVERY HOTKEY: No peer in direction {:?}", direction); |
| 1001 | } |
| 1002 | } |
| 1003 | } |
| 1004 | } |
| 1005 | |
| 1006 | // Handle edge events from layer-shell barriers (for inter-monitor edges) |
| 1007 | while let Some(edge_event) = edge_capture.try_recv() { |
| 1008 | let direction = edge_event.direction; |
| 1009 | |
| 1010 | // Verify cursor is actually at screen boundary using Hyprland |
| 1011 | // (barrier placement can be wrong on multi-monitor setups) |
| 1012 | let cursor_pos = match hypr_client.cursor_pos().await { |
| 1013 | Ok(pos) => (pos.x, pos.y), |
| 1014 | Err(_) => continue, // Can't verify, skip this event |
| 1015 | }; |
| 1016 | let is_at_screen_edge = match direction { |
| 1017 | Direction::Left => cursor_pos.0 <= screen_min_x + 5, |
| 1018 | Direction::Right => cursor_pos.0 >= screen_max_x - 5, |
| 1019 | Direction::Up => cursor_pos.1 <= screen_min_y + 5, |
| 1020 | Direction::Down => cursor_pos.1 >= screen_max_y - 5, |
| 1021 | }; |
| 1022 | |
| 1023 | if !is_at_screen_edge { |
| 1024 | tracing::debug!( |
| 1025 | "EDGE: {:?} barrier triggered but cursor at ({}, {}) not at screen edge (bounds: {} to {}), ignoring", |
| 1026 | direction, |
| 1027 | cursor_pos.0, |
| 1028 | cursor_pos.1, |
| 1029 | screen_min_x, |
| 1030 | screen_max_x |
| 1031 | ); |
| 1032 | continue; |
| 1033 | } |
| 1034 | |
| 1035 | // Check if we have a peer in this direction |
| 1036 | let has_peer = { |
| 1037 | let peers = peers.read().await; |
| 1038 | peers.contains_key(&direction) |
| 1039 | }; |
| 1040 | |
| 1041 | if has_peer { |
| 1042 | // Check if we're in ReceivedControl state from this direction |
| 1043 | // If so, return control instead of initiating a new transfer |
| 1044 | let current_state = transfer_manager.state().await; |
| 1045 | if let transfer::TransferState::ReceivedControl { from, .. } = current_state { |
| 1046 | if from == direction { |
| 1047 | info!( |
| 1048 | "EDGE: {:?} at ({}, {}) - returning control", |
| 1049 | direction, |
| 1050 | cursor_pos.0, |
| 1051 | cursor_pos.1 |
| 1052 | ); |
| 1053 | if let Err(e) = transfer_manager.return_control().await { |
| 1054 | tracing::warn!("Failed to return control: {}", e); |
| 1055 | } else { |
| 1056 | // Set cooldown to prevent immediate re-transfer |
| 1057 | last_control_return = Some((std::time::Instant::now(), direction)); |
| 1058 | } |
| 1059 | continue; |
| 1060 | } |
| 1061 | } |
| 1062 | |
| 1063 | // Check cooldown to prevent bounce-back loops (only for matching direction) |
| 1064 | if let Some((last_return, cooldown_dir)) = last_control_return { |
| 1065 | if cooldown_dir == direction && last_return.elapsed().as_millis() < CONTROL_RETURN_COOLDOWN_MS as u128 { |
| 1066 | tracing::debug!("EDGE: {:?} - in cooldown, ignoring", direction); |
| 1067 | continue; |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | // Re-check state for the has_devices check |
| 1072 | let current_state = transfer_manager.state().await; |
| 1073 | |
| 1074 | if barrier_enabled.load(std::sync::atomic::Ordering::SeqCst) { |
| 1075 | info!( |
| 1076 | "EDGE: {:?} at ({}, {}) - barrier enabled, blocking", |
| 1077 | direction, |
| 1078 | cursor_pos.0, |
| 1079 | cursor_pos.1 |
| 1080 | ); |
| 1081 | } else if !input_grabber.has_devices() && current_state.is_local() { |
| 1082 | // No devices and in Local state - can't initiate |
| 1083 | tracing::debug!( |
| 1084 | "EDGE: {:?} at ({}, {}) - no devices, can't initiate from Local", |
| 1085 | direction, |
| 1086 | cursor_pos.0, |
| 1087 | cursor_pos.1 |
| 1088 | ); |
| 1089 | } else { |
| 1090 | info!( |
| 1091 | "EDGE: {:?} at ({}, {}) - initiating transfer", |
| 1092 | direction, |
| 1093 | cursor_pos.0, |
| 1094 | cursor_pos.1 |
| 1095 | ); |
| 1096 | |
| 1097 | if let Err(e) = transfer_manager.initiate_transfer( |
| 1098 | direction, |
| 1099 | cursor_pos, |
| 1100 | screen_min_x, |
| 1101 | screen_min_y, |
| 1102 | screen_max_x, |
| 1103 | screen_max_y, |
| 1104 | false, // not keyboard-initiated (mouse edge) |
| 1105 | ).await { |
| 1106 | tracing::warn!("Failed to initiate transfer: {}", e); |
| 1107 | } |
| 1108 | } |
| 1109 | } else { |
| 1110 | tracing::debug!( |
| 1111 | "EDGE: {:?} but no peer connected", |
| 1112 | direction |
| 1113 | ); |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | // Cursor-based edge detection (for absolute screen edges) |
| 1118 | // This catches the case where cursor is at the edge and can't go further |
| 1119 | if capture_direction.is_none() { |
| 1120 | if let Ok(cursor) = hypr_client.cursor_pos().await { |
| 1121 | let (cx, cy) = (cursor.x, cursor.y); |
| 1122 | |
| 1123 | // Determine if cursor is at a screen edge |
| 1124 | // For Left/Right: use global screen bounds |
| 1125 | // For Up/Down: check per-monitor bounds (different monitors have different heights) |
| 1126 | let at_edge: Option<Direction> = if cx <= EDGE_THRESHOLD { |
| 1127 | Some(Direction::Left) |
| 1128 | } else if cx >= screen_width as i32 - EDGE_THRESHOLD { |
| 1129 | Some(Direction::Right) |
| 1130 | } else { |
| 1131 | // Check per-monitor Up/Down edges |
| 1132 | let mut edge_found = None; |
| 1133 | for &(mon_x, mon_y, mon_w, mon_h) in &monitor_logical_bounds { |
| 1134 | // Check if cursor is within this monitor's x range |
| 1135 | if cx >= mon_x && cx < mon_x + mon_w { |
| 1136 | // Check Up edge (top of this monitor) |
| 1137 | if cy <= mon_y + EDGE_THRESHOLD && cy >= mon_y { |
| 1138 | edge_found = Some(Direction::Up); |
| 1139 | break; |
| 1140 | } |
| 1141 | // Check Down edge (bottom of this monitor) |
| 1142 | if cy >= mon_y + mon_h - EDGE_THRESHOLD && cy <= mon_y + mon_h { |
| 1143 | edge_found = Some(Direction::Down); |
| 1144 | break; |
| 1145 | } |
| 1146 | } |
| 1147 | } |
| 1148 | edge_found |
| 1149 | }; |
| 1150 | |
| 1151 | // Debug: Log when cursor is at Up/Down edge |
| 1152 | if matches!(at_edge, Some(Direction::Up) | Some(Direction::Down)) { |
| 1153 | let current_state = transfer_manager.state().await; |
| 1154 | tracing::debug!( |
| 1155 | "CURSOR at {:?} edge: pos=({}, {}), bounds=(0,0)-({}x{}), state={:?}, enabled_edges={:?}", |
| 1156 | at_edge, cx, cy, screen_width, screen_height, current_state, enabled_edges |
| 1157 | ); |
| 1158 | } |
| 1159 | |
| 1160 | // Check if we should trigger based on dwell time and movement |
| 1161 | if let Some(edge_dir) = at_edge { |
| 1162 | // Only care about edges with neighbors |
| 1163 | if enabled_edges.contains(&edge_dir) { |
| 1164 | let now = std::time::Instant::now(); |
| 1165 | |
| 1166 | // Check if cursor is moving toward the edge (or staying at it) |
| 1167 | let moving_toward_edge = if let Some((last_x, last_y)) = last_cursor_pos { |
| 1168 | match edge_dir { |
| 1169 | Direction::Left => cx <= last_x, |
| 1170 | Direction::Right => cx >= last_x, |
| 1171 | Direction::Up => cy <= last_y, |
| 1172 | Direction::Down => cy >= last_y, |
| 1173 | } |
| 1174 | } else { |
| 1175 | true |
| 1176 | }; |
| 1177 | |
| 1178 | if moving_toward_edge { |
| 1179 | match &edge_dwell_start { |
| 1180 | Some((dir, start)) if *dir == edge_dir => { |
| 1181 | // Already tracking this edge, check if dwell time exceeded |
| 1182 | if now.duration_since(*start).as_millis() >= EDGE_DWELL_MS as u128 { |
| 1183 | // Trigger! |
| 1184 | let has_peer = { |
| 1185 | let peers = peers.read().await; |
| 1186 | peers.contains_key(&edge_dir) |
| 1187 | }; |
| 1188 | |
| 1189 | if has_peer { |
| 1190 | // Check if we're in ReceivedControl state from this direction |
| 1191 | let current_state = transfer_manager.state().await; |
| 1192 | if let transfer::TransferState::ReceivedControl { from, entered_at, .. } = ¤t_state { |
| 1193 | // Add cooldown after entering ReceivedControl to prevent immediate return |
| 1194 | // (cursor warp may not have taken effect yet, or stale position from polling) |
| 1195 | const RECEIVED_CONTROL_COOLDOWN_MS: u128 = 500; |
| 1196 | let time_in_state = entered_at.elapsed().as_millis(); |
| 1197 | |
| 1198 | if time_in_state < RECEIVED_CONTROL_COOLDOWN_MS { |
| 1199 | tracing::debug!( |
| 1200 | "CURSOR EDGE: {:?} - just entered ReceivedControl {}ms ago, waiting", |
| 1201 | edge_dir, time_in_state |
| 1202 | ); |
| 1203 | edge_dwell_start = None; |
| 1204 | continue; |
| 1205 | } |
| 1206 | |
| 1207 | if *from == edge_dir { |
| 1208 | info!( |
| 1209 | "CURSOR EDGE: {:?} at ({}, {}) - returning control", |
| 1210 | edge_dir, cx, cy |
| 1211 | ); |
| 1212 | if let Err(e) = transfer_manager.return_control().await { |
| 1213 | tracing::warn!("Failed to return control: {}", e); |
| 1214 | } else { |
| 1215 | // Set cooldown to prevent immediate re-transfer |
| 1216 | last_control_return = Some((std::time::Instant::now(), edge_dir)); |
| 1217 | } |
| 1218 | edge_dwell_start = None; |
| 1219 | continue; |
| 1220 | } else { |
| 1221 | tracing::debug!( |
| 1222 | "CURSOR EDGE: {:?} - ReceivedControl from {:?}, not matching", |
| 1223 | edge_dir, from |
| 1224 | ); |
| 1225 | } |
| 1226 | } else { |
| 1227 | tracing::debug!( |
| 1228 | "CURSOR EDGE: {:?} - state is {:?}, not ReceivedControl", |
| 1229 | edge_dir, current_state |
| 1230 | ); |
| 1231 | } |
| 1232 | |
| 1233 | // Check cooldown to prevent bounce-back (only for matching direction) |
| 1234 | if let Some((last_return, cooldown_dir)) = last_control_return { |
| 1235 | if cooldown_dir == edge_dir && last_return.elapsed().as_millis() < CONTROL_RETURN_COOLDOWN_MS as u128 { |
| 1236 | tracing::debug!("CURSOR EDGE: {:?} - in cooldown", edge_dir); |
| 1237 | edge_dwell_start = None; |
| 1238 | continue; |
| 1239 | } |
| 1240 | } |
| 1241 | |
| 1242 | if barrier_enabled.load(std::sync::atomic::Ordering::SeqCst) { |
| 1243 | info!( |
| 1244 | "CURSOR EDGE: {:?} at ({}, {}) - barrier enabled, blocking", |
| 1245 | edge_dir, cx, cy |
| 1246 | ); |
| 1247 | } else if !input_grabber.has_devices() && current_state.is_local() { |
| 1248 | // No devices and in Local state - can't initiate (no input to grab) |
| 1249 | // Note: if in ReceivedControl, we can still relay |
| 1250 | tracing::debug!( |
| 1251 | "CURSOR EDGE: {:?} at ({}, {}) - no devices, can't initiate from Local", |
| 1252 | edge_dir, cx, cy |
| 1253 | ); |
| 1254 | } else { |
| 1255 | info!( |
| 1256 | "CURSOR EDGE: {:?} at ({}, {}) - initiating transfer", |
| 1257 | edge_dir, cx, cy |
| 1258 | ); |
| 1259 | |
| 1260 | if let Err(e) = transfer_manager.initiate_transfer( |
| 1261 | edge_dir, |
| 1262 | (cx, cy), |
| 1263 | screen_min_x, |
| 1264 | screen_min_y, |
| 1265 | screen_max_x, |
| 1266 | screen_max_y, |
| 1267 | false, // not keyboard-initiated (cursor edge) |
| 1268 | ).await { |
| 1269 | tracing::warn!("Failed to initiate transfer: {}", e); |
| 1270 | } |
| 1271 | } |
| 1272 | } else { |
| 1273 | tracing::debug!( |
| 1274 | "CURSOR EDGE: {:?} at ({}, {}) but no peer connected", |
| 1275 | edge_dir, cx, cy |
| 1276 | ); |
| 1277 | } |
| 1278 | |
| 1279 | // Reset to avoid repeated triggers |
| 1280 | edge_dwell_start = None; |
| 1281 | } |
| 1282 | } |
| 1283 | _ => { |
| 1284 | // Start tracking this edge |
| 1285 | tracing::trace!("Started edge dwell tracking for {:?} at ({}, {})", edge_dir, cx, cy); |
| 1286 | edge_dwell_start = Some((edge_dir, now)); |
| 1287 | } |
| 1288 | } |
| 1289 | } else { |
| 1290 | // Moving away from edge, reset |
| 1291 | edge_dwell_start = None; |
| 1292 | } |
| 1293 | } |
| 1294 | } else { |
| 1295 | // Not at any edge, reset |
| 1296 | edge_dwell_start = None; |
| 1297 | } |
| 1298 | |
| 1299 | last_cursor_pos = Some((cx, cy)); |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | // Check for transfer timeout (stuck in Initiating state) |
| 1304 | if let transfer::TransferState::Initiating { started_at, .. } = transfer_manager.state().await { |
| 1305 | const TRANSFER_TIMEOUT_MS: u128 = 3000; |
| 1306 | if started_at.elapsed().as_millis() > TRANSFER_TIMEOUT_MS { |
| 1307 | tracing::warn!("Transfer timed out after {}ms, aborting", TRANSFER_TIMEOUT_MS); |
| 1308 | transfer_manager.abort().await; |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | // Poll for incoming messages from peers (non-blocking) |
| 1313 | let directions: Vec<Direction> = { |
| 1314 | let peers = peers.read().await; |
| 1315 | peers.keys().cloned().collect() |
| 1316 | }; |
| 1317 | |
| 1318 | // Debug: log state and peers occasionally (every ~5 seconds at 100μs polling) |
| 1319 | static POLL_COUNT: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0); |
| 1320 | let count = POLL_COUNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed); |
| 1321 | if count % 50000 == 0 { |
| 1322 | let state = transfer_manager.state().await; |
| 1323 | tracing::info!("Poll #{}: state={:?}, peers={:?}", count, state, directions); |
| 1324 | } |
| 1325 | |
| 1326 | for direction in directions { |
| 1327 | // Clone Arc before shadowing for use in spawned tasks |
| 1328 | let peers_arc = peers.clone(); |
| 1329 | let mut peers = peers.write().await; |
| 1330 | if let Some(peer) = peers.get_mut(&direction) { |
| 1331 | // Try non-blocking receive using tokio timeout |
| 1332 | // Use minimal timeout to avoid blocking the event loop |
| 1333 | match tokio::time::timeout( |
| 1334 | std::time::Duration::from_micros(50), |
| 1335 | peer.recv() |
| 1336 | ).await { |
| 1337 | Ok(Ok(Some(msg))) => { |
| 1338 | tracing::debug!("Received from {:?}: {:?}", direction, msg); |
| 1339 | // Handle incoming message |
| 1340 | match msg { |
| 1341 | Message::Enter(payload) => { |
| 1342 | info!("Received Enter from {:?}", direction); |
| 1343 | match transfer_manager.handle_enter( |
| 1344 | direction, |
| 1345 | payload, |
| 1346 | screen_min_x, |
| 1347 | screen_min_y, |
| 1348 | screen_max_x, |
| 1349 | screen_max_y, |
| 1350 | ).await { |
| 1351 | Ok(pos) => { |
| 1352 | info!("Positioned cursor at {:?}", pos); |
| 1353 | } |
| 1354 | Err(e) => { |
| 1355 | tracing::error!("Failed to handle Enter: {}", e); |
| 1356 | } |
| 1357 | } |
| 1358 | } |
| 1359 | Message::EnterAck(ack) => { |
| 1360 | info!("Received EnterAck: success={}", ack.success); |
| 1361 | if let Err(e) = transfer_manager.handle_enter_ack(ack).await { |
| 1362 | // Usually a benign race condition (collision resolved) |
| 1363 | tracing::debug!("Failed to handle EnterAck: {}", e); |
| 1364 | } |
| 1365 | } |
| 1366 | Message::Leave(payload) => { |
| 1367 | info!("Received Leave from {:?}", direction); |
| 1368 | if let Err(e) = transfer_manager.handle_leave(payload).await { |
| 1369 | // Usually a benign race condition |
| 1370 | tracing::debug!("Failed to handle Leave: {}", e); |
| 1371 | } |
| 1372 | // Set cooldown to prevent bounce-back loop |
| 1373 | // When we receive Leave, control is returning to us |
| 1374 | // The return direction is opposite of peer direction (user pressed Down to return from Up peer) |
| 1375 | let return_direction = direction.opposite(); |
| 1376 | last_control_return = Some((std::time::Instant::now(), return_direction)); |
| 1377 | tracing::debug!("Set control return cooldown for direction {:?}", return_direction); |
| 1378 | } |
| 1379 | Message::LeaveAck => { |
| 1380 | info!("Received LeaveAck"); |
| 1381 | // Transfer complete |
| 1382 | } |
| 1383 | Message::InputEvent(input_payload) => { |
| 1384 | // Check if we're in relay mode and this is from the relay source |
| 1385 | if let Some((relay_from, relay_to)) = relay_mode { |
| 1386 | if direction == relay_from { |
| 1387 | // Forward to relay target instead of injecting locally |
| 1388 | tracing::trace!("Relaying input from {:?} to {:?}", relay_from, relay_to); |
| 1389 | // Need to drop current borrow and get relay target |
| 1390 | drop(peers); |
| 1391 | let mut peers_guard = peers_arc.write().await; |
| 1392 | if let Some(target_peer) = peers_guard.get_mut(&relay_to) { |
| 1393 | if let Err(e) = target_peer.send(&Message::InputEvent(input_payload)).await { |
| 1394 | tracing::error!("Failed to relay input to {:?}: {}", relay_to, e); |
| 1395 | } |
| 1396 | } |
| 1397 | continue; // Skip local injection |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | // Normal case: inject input via emulation module |
| 1402 | if let Some(ref mut emu) = input_emulator { |
| 1403 | use hyprkvm_common::protocol::InputEventType; |
| 1404 | match input_payload.event { |
| 1405 | InputEventType::KeyDown { keycode } => { |
| 1406 | tracing::debug!("RECV KeyDown: keycode={} ({})", |
| 1407 | keycode, keycode_to_name(keycode)); |
| 1408 | emu.keyboard.key(keycode, hyprkvm_common::KeyState::Pressed); |
| 1409 | } |
| 1410 | InputEventType::KeyUp { keycode } => { |
| 1411 | tracing::debug!("RECV KeyUp: keycode={} ({})", |
| 1412 | keycode, keycode_to_name(keycode)); |
| 1413 | emu.keyboard.key(keycode, hyprkvm_common::KeyState::Released); |
| 1414 | } |
| 1415 | InputEventType::PointerMotion { dx, dy } => { |
| 1416 | emu.pointer.motion(dx, dy); |
| 1417 | } |
| 1418 | InputEventType::PointerButton { button, pressed } => { |
| 1419 | let state = if pressed { |
| 1420 | hyprkvm_common::ButtonState::Pressed |
| 1421 | } else { |
| 1422 | hyprkvm_common::ButtonState::Released |
| 1423 | }; |
| 1424 | emu.pointer.button(button, state); |
| 1425 | } |
| 1426 | InputEventType::Scroll { horizontal, vertical } => { |
| 1427 | emu.pointer.scroll(horizontal, vertical); |
| 1428 | } |
| 1429 | InputEventType::ModifierState { .. } => { |
| 1430 | // Modifier state is informational |
| 1431 | } |
| 1432 | } |
| 1433 | } |
| 1434 | } |
| 1435 | Message::Ping { timestamp } => { |
| 1436 | let _ = peer.send(&Message::Pong { timestamp }).await; |
| 1437 | } |
| 1438 | Message::Pong { timestamp } => { |
| 1439 | tracing::trace!("Pong received, rtt={}ms", |
| 1440 | std::time::SystemTime::now() |
| 1441 | .duration_since(std::time::UNIX_EPOCH) |
| 1442 | .unwrap() |
| 1443 | .as_millis() as u64 - timestamp |
| 1444 | ); |
| 1445 | } |
| 1446 | Message::ClipboardOffer(offer) => { |
| 1447 | // Handle clipboard offer from peer |
| 1448 | let cm = clipboard_manager.clone(); |
| 1449 | let peers_clone = peers_arc.clone(); |
| 1450 | let dir = direction; |
| 1451 | tokio::spawn(async move { |
| 1452 | if let Some(request) = cm.handle_offer(offer).await { |
| 1453 | let mut peers_guard = peers_clone.write().await; |
| 1454 | if let Some(peer) = peers_guard.get_mut(&dir) { |
| 1455 | if let Err(e) = peer.send(&Message::ClipboardRequest(request)).await { |
| 1456 | tracing::warn!("Failed to send clipboard request: {}", e); |
| 1457 | } |
| 1458 | } |
| 1459 | } |
| 1460 | }); |
| 1461 | } |
| 1462 | Message::ClipboardRequest(request) => { |
| 1463 | // Handle clipboard request from peer |
| 1464 | let cm = clipboard_manager.clone(); |
| 1465 | let peers_clone = peers_arc.clone(); |
| 1466 | let dir = direction; |
| 1467 | tokio::spawn(async move { |
| 1468 | match cm.handle_request(request).await { |
| 1469 | Ok(data_chunks) => { |
| 1470 | let mut peers_guard = peers_clone.write().await; |
| 1471 | if let Some(peer) = peers_guard.get_mut(&dir) { |
| 1472 | for chunk in data_chunks { |
| 1473 | if let Err(e) = peer.send(&Message::ClipboardData(chunk)).await { |
| 1474 | tracing::warn!("Failed to send clipboard data: {}", e); |
| 1475 | break; |
| 1476 | } |
| 1477 | } |
| 1478 | } |
| 1479 | } |
| 1480 | Err(e) => { |
| 1481 | tracing::warn!("Clipboard request failed: {}", e); |
| 1482 | } |
| 1483 | } |
| 1484 | }); |
| 1485 | } |
| 1486 | Message::ClipboardData(data) => { |
| 1487 | // Handle clipboard data from peer |
| 1488 | let cm = clipboard_manager.clone(); |
| 1489 | tokio::spawn(async move { |
| 1490 | if let Err(e) = cm.handle_data(data).await { |
| 1491 | tracing::warn!("Clipboard data handling failed: {}", e); |
| 1492 | } |
| 1493 | }); |
| 1494 | } |
| 1495 | Message::DirectionChange(payload) => { |
| 1496 | // Peer is notifying us that they changed our relative direction |
| 1497 | // We need to update our config to store them in the opposite direction |
| 1498 | let new_dir_for_peer = payload.your_direction_from_me.opposite(); |
| 1499 | info!("Received DirectionChange: peer says we are {:?} from them, so we store them as {:?}", |
| 1500 | payload.your_direction_from_me, new_dir_for_peer); |
| 1501 | |
| 1502 | // Find the peer's name from config based on direction |
| 1503 | let peer_name = config.machines.neighbors |
| 1504 | .iter() |
| 1505 | .find(|n| n.direction == direction) |
| 1506 | .map(|n| n.name.clone()) |
| 1507 | .unwrap_or_else(|| "unknown".to_string()); |
| 1508 | |
| 1509 | // Load, update, and save config |
| 1510 | let config_path_clone = config_path.clone(); |
| 1511 | match Config::load(&config_path_clone) { |
| 1512 | Ok(mut cfg) => { |
| 1513 | let mut found = false; |
| 1514 | for neighbor in &mut cfg.machines.neighbors { |
| 1515 | if neighbor.name == peer_name { |
| 1516 | info!("DirectionChange: updating {} direction {:?} -> {:?}", |
| 1517 | neighbor.name, neighbor.direction, new_dir_for_peer); |
| 1518 | neighbor.direction = new_dir_for_peer; |
| 1519 | found = true; |
| 1520 | break; |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | if found { |
| 1525 | if let Err(e) = cfg.save(&config_path_clone) { |
| 1526 | tracing::error!("DirectionChange: failed to save config: {}", e); |
| 1527 | let _ = peer.send(&Message::DirectionChangeAck { success: false }).await; |
| 1528 | } else { |
| 1529 | info!("DirectionChange: config updated, signaling restart"); |
| 1530 | let _ = peer.send(&Message::DirectionChangeAck { success: true }).await; |
| 1531 | // Signal restart to apply new edge barriers |
| 1532 | let _ = restart_tx.try_send(format!("Direction sync from {}", peer_name)); |
| 1533 | } |
| 1534 | } else { |
| 1535 | tracing::warn!("DirectionChange: peer {} not found in config", peer_name); |
| 1536 | let _ = peer.send(&Message::DirectionChangeAck { success: false }).await; |
| 1537 | } |
| 1538 | } |
| 1539 | Err(e) => { |
| 1540 | tracing::error!("DirectionChange: failed to load config: {}", e); |
| 1541 | let _ = peer.send(&Message::DirectionChangeAck { success: false }).await; |
| 1542 | } |
| 1543 | } |
| 1544 | } |
| 1545 | Message::DirectionChangeAck { success } => { |
| 1546 | if success { |
| 1547 | info!("DirectionChangeAck: peer acknowledged direction update"); |
| 1548 | } else { |
| 1549 | tracing::warn!("DirectionChangeAck: peer failed to update direction"); |
| 1550 | } |
| 1551 | } |
| 1552 | _ => { |
| 1553 | tracing::debug!("Unhandled message: {:?}", msg); |
| 1554 | } |
| 1555 | } |
| 1556 | } |
| 1557 | Ok(Ok(None)) => { |
| 1558 | // Connection closed |
| 1559 | info!("Peer {:?} disconnected", direction); |
| 1560 | peers.remove(&direction); |
| 1561 | } |
| 1562 | Ok(Err(e)) => { |
| 1563 | tracing::error!("Error receiving from {:?}: {}", direction, e); |
| 1564 | peers.remove(&direction); |
| 1565 | } |
| 1566 | Err(_) => { |
| 1567 | // Timeout - no message available, that's fine |
| 1568 | } |
| 1569 | } |
| 1570 | } |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | // Handle transfer events |
| 1575 | Some(event) = transfer_events.recv() => { |
| 1576 | match event { |
| 1577 | transfer::TransferEvent::SendMessage { direction, message } => { |
| 1578 | let mut peers = peers.write().await; |
| 1579 | if let Some(peer) = peers.get_mut(&direction) { |
| 1580 | info!("Sending {:?} to {:?}", message, direction); |
| 1581 | if let Err(e) = peer.send(&message).await { |
| 1582 | tracing::error!("Failed to send message to {:?}: {}", direction, e); |
| 1583 | // If send fails, abort the transfer |
| 1584 | transfer_manager.abort().await; |
| 1585 | } |
| 1586 | } else { |
| 1587 | tracing::warn!("No peer for direction {:?}, aborting transfer", direction); |
| 1588 | transfer_manager.abort().await; |
| 1589 | } |
| 1590 | } |
| 1591 | transfer::TransferEvent::StartCapture { direction: cap_dir, keyboard_initiated } => { |
| 1592 | info!("StartCapture event received for {:?}, keyboard_initiated={}", cap_dir, keyboard_initiated); |
| 1593 | capture_direction = Some(cap_dir); |
| 1594 | |
| 1595 | // Only send synthetic Super key-down if the transfer was keyboard-initiated. |
| 1596 | // When triggered via Super+Arrow keybinding, Super was already held when |
| 1597 | // the grab started. The evdev grabber won't see the initial Super key-down, |
| 1598 | // so we send it explicitly so the destination knows Super is pressed. |
| 1599 | // For CLI-initiated switches, the user isn't holding Super, so don't send it. |
| 1600 | if keyboard_initiated { |
| 1601 | let mut peers_guard = peers.write().await; |
| 1602 | if let Some(peer) = peers_guard.get_mut(&cap_dir) { |
| 1603 | let super_down = input::GrabEvent::KeyDown { keycode: 125 }; // KEY_LEFTMETA |
| 1604 | let payload = super_down.to_protocol(input_sequence); |
| 1605 | input_sequence += 1; |
| 1606 | tracing::debug!("Sending synthetic Super key-down to destination (keyboard-initiated)"); |
| 1607 | if let Err(e) = peer.send(&Message::InputEvent(payload)).await { |
| 1608 | tracing::error!("Failed to send synthetic Super: {}", e); |
| 1609 | } |
| 1610 | } |
| 1611 | } else { |
| 1612 | tracing::debug!("Skipping synthetic Super key-down (CLI-initiated switch)"); |
| 1613 | // Add delay for CLI-initiated switches to let the terminal settle |
| 1614 | tokio::time::sleep(std::time::Duration::from_millis(100)).await; |
| 1615 | } |
| 1616 | |
| 1617 | input_grabber.start(); |
| 1618 | } |
| 1619 | transfer::TransferEvent::StopCapture => { |
| 1620 | info!("Stopping input capture"); |
| 1621 | let was_capturing_direction = capture_direction; |
| 1622 | capture_direction = None; |
| 1623 | |
| 1624 | // Release the evdev grab and enter recovery mode for the stale direction |
| 1625 | // The stale key is the arrow key used to initiate the original outgoing transfer |
| 1626 | input_grabber.stop(was_capturing_direction); |
| 1627 | |
| 1628 | // Drain any remaining events |
| 1629 | while input_grabber.try_recv().is_some() {} |
| 1630 | |
| 1631 | // CRITICAL FIX: After releasing the evdev grab, libinput has stale state. |
| 1632 | // The arrow key that initiated the original transfer (before we went remote) |
| 1633 | // is still seen as "pressed" by libinput because it never saw the release. |
| 1634 | // |
| 1635 | // We use uinput to create a virtual keyboard and send synthetic key-up |
| 1636 | // events for ALL arrow keys. This gives libinput fresh key-up events, |
| 1637 | // which should clear the stale state. |
| 1638 | if let Some(dir) = was_capturing_direction { |
| 1639 | // The stale key is the one used to initiate the OUTGOING transfer |
| 1640 | let stale_keycode: u16 = match dir { |
| 1641 | Direction::Left => 105, // KEY_LEFT |
| 1642 | Direction::Right => 106, // KEY_RIGHT |
| 1643 | Direction::Up => 103, // KEY_UP |
| 1644 | Direction::Down => 108, // KEY_DOWN |
| 1645 | }; |
| 1646 | |
| 1647 | tracing::info!("Sending synthetic key-ups via uinput to clear stale libinput state"); |
| 1648 | |
| 1649 | // Send key-ups for all arrow keys to be safe |
| 1650 | let all_arrows: [u16; 4] = [103, 105, 106, 108]; |
| 1651 | if let Err(e) = input::send_synthetic_key_ups(&all_arrows) { |
| 1652 | tracing::warn!("Failed to send synthetic key-ups: {}", e); |
| 1653 | } |
| 1654 | |
| 1655 | // Also inject via virtual keyboard for Wayland-level cleanup |
| 1656 | if input_emulator.is_none() { |
| 1657 | if let Ok(emu) = input::InputEmulator::new() { |
| 1658 | input_emulator = Some(emu); |
| 1659 | } |
| 1660 | } |
| 1661 | if let Some(ref mut emu) = input_emulator { |
| 1662 | emu.keyboard.key(stale_keycode as u32, hyprkvm_common::KeyState::Released); |
| 1663 | emu.keyboard.reset_all_keys(); |
| 1664 | } |
| 1665 | } |
| 1666 | |
| 1667 | // CRITICAL: Set cooldown after receiving Leave from peer |
| 1668 | // When peer sends Leave (e.g., user pressed Super+Down on cachyos to return), |
| 1669 | // the Down key might still be held when we release the grab. Libinput sees |
| 1670 | // Super (still held) + Down = fires IPC Move Down, causing unwanted navigation. |
| 1671 | // This cooldown prevents that specific direction from triggering movefocus. |
| 1672 | if let Some(capture_dir) = was_capturing_direction { |
| 1673 | // Return direction is opposite of capture direction |
| 1674 | // e.g., if we were capturing to Up, user pressed Down to return |
| 1675 | let return_direction = capture_dir.opposite(); |
| 1676 | last_control_return = Some((std::time::Instant::now(), return_direction)); |
| 1677 | tracing::info!("Set cooldown after StopCapture for direction {:?} (peer-initiated return)", return_direction); |
| 1678 | } |
| 1679 | } |
| 1680 | transfer::TransferEvent::StartInjection { from } => { |
| 1681 | info!("Starting input injection from {:?}", from); |
| 1682 | // Create input emulator if not exists |
| 1683 | if input_emulator.is_none() { |
| 1684 | match input::InputEmulator::new() { |
| 1685 | Ok(emu) => { |
| 1686 | info!("Input emulator created"); |
| 1687 | input_emulator = Some(emu); |
| 1688 | } |
| 1689 | Err(e) => { |
| 1690 | tracing::error!("Failed to create input emulator: {}", e); |
| 1691 | } |
| 1692 | } |
| 1693 | } |
| 1694 | } |
| 1695 | transfer::TransferEvent::StopInjection => { |
| 1696 | info!("Stopping input injection"); |
| 1697 | // Reset ALL pressed keys so next session starts clean |
| 1698 | // This prevents Hyprland from seeing stale key state |
| 1699 | // (e.g., arrow key that triggered return was never released) |
| 1700 | if let Some(ref mut emu) = input_emulator { |
| 1701 | emu.keyboard.reset_all_keys(); |
| 1702 | } |
| 1703 | } |
| 1704 | transfer::TransferEvent::StartRelay { from, to } => { |
| 1705 | info!("Starting input relay: {:?} -> {:?}", from, to); |
| 1706 | relay_mode = Some((from, to)); |
| 1707 | // No local device grabbing needed - we're forwarding received input |
| 1708 | } |
| 1709 | transfer::TransferEvent::StopRelay => { |
| 1710 | info!("Stopping input relay"); |
| 1711 | relay_mode = None; |
| 1712 | } |
| 1713 | transfer::TransferEvent::SyncClipboardOutgoing { direction } => { |
| 1714 | // Sync clipboard to the peer in the given direction |
| 1715 | // Check if clipboard sync is enabled and appropriate for this event |
| 1716 | if config.clipboard.enabled { |
| 1717 | let cm = clipboard_manager.clone(); |
| 1718 | let peers_clone = peers.clone(); |
| 1719 | tokio::spawn(async move { |
| 1720 | match cm.create_offer().await { |
| 1721 | Ok(Some(offer)) => { |
| 1722 | let mut peers_guard = peers_clone.write().await; |
| 1723 | if let Some(peer) = peers_guard.get_mut(&direction) { |
| 1724 | info!("Syncing clipboard to {:?}", direction); |
| 1725 | if let Err(e) = peer.send(&Message::ClipboardOffer(offer)).await { |
| 1726 | tracing::warn!("Failed to send clipboard offer: {}", e); |
| 1727 | } |
| 1728 | } |
| 1729 | } |
| 1730 | Ok(None) => { |
| 1731 | tracing::debug!("No clipboard content to sync"); |
| 1732 | } |
| 1733 | Err(e) => { |
| 1734 | tracing::warn!("Failed to read clipboard for sync: {}", e); |
| 1735 | } |
| 1736 | } |
| 1737 | }); |
| 1738 | } |
| 1739 | } |
| 1740 | } |
| 1741 | } |
| 1742 | |
| 1743 | // Hyprland events |
| 1744 | event = event_stream.next_event() => { |
| 1745 | match event { |
| 1746 | Ok(evt) => { |
| 1747 | tracing::trace!("Hyprland event: {:?}", evt); |
| 1748 | } |
| 1749 | Err(e) => { |
| 1750 | tracing::error!("Event error: {e}"); |
| 1751 | break; |
| 1752 | } |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | // Handle IPC requests from CLI |
| 1757 | Some((request, response_tx)) = ipc_rx.recv() => { |
| 1758 | use hyprkvm_common::protocol::{IpcRequest, IpcResponse}; |
| 1759 | |
| 1760 | let response = match request { |
| 1761 | IpcRequest::Move { direction } => { |
| 1762 | // Log current state for debugging |
| 1763 | let current_state = transfer_manager.state().await; |
| 1764 | info!("IPC Move {:?}: state={:?}", direction, current_state); |
| 1765 | |
| 1766 | // Early exit: if in ReceivedControl and within cooldown for the ENTRY direction, ignore |
| 1767 | // (prevents the Super+Arrow keypress that triggered the transfer from |
| 1768 | // causing a double navigation on the receiving machine) |
| 1769 | // Only block the direction that would return to source, not all directions |
| 1770 | if let transfer::TransferState::ReceivedControl { entered_at, from, .. } = ¤t_state { |
| 1771 | const RECEIVED_CONTROL_IPC_COOLDOWN_MS: u128 = 300; |
| 1772 | let time_in_state = entered_at.elapsed().as_millis(); |
| 1773 | // Only block if this is the same direction we received from (would return to source) |
| 1774 | if *from == direction && time_in_state < RECEIVED_CONTROL_IPC_COOLDOWN_MS { |
| 1775 | tracing::info!("IPC Move {:?}: in ReceivedControl cooldown ({}ms), ignoring (same as entry direction)", direction, time_in_state); |
| 1776 | response_tx.send(IpcResponse::Ok { message: "in cooldown".to_string() }).ok(); |
| 1777 | continue; |
| 1778 | } |
| 1779 | } |
| 1780 | |
| 1781 | // If we're already initiating a transfer in this direction, skip entirely |
| 1782 | // (prevents double-action when both RECOVERY hotkey and IPC Move fire) |
| 1783 | if let transfer::TransferState::Initiating { target, .. } = ¤t_state { |
| 1784 | if *target == direction { |
| 1785 | tracing::info!("IPC Move {:?}: already initiating transfer, skipping", direction); |
| 1786 | IpcResponse::Ok { message: "transfer already initiating".to_string() } |
| 1787 | } else { |
| 1788 | // Different direction - this shouldn't happen normally, but do movefocus |
| 1789 | let hypr_dir = match direction { |
| 1790 | Direction::Left => "l", |
| 1791 | Direction::Right => "r", |
| 1792 | Direction::Up => "u", |
| 1793 | Direction::Down => "d", |
| 1794 | }; |
| 1795 | match hypr_client.dispatch("movefocus", hypr_dir).await { |
| 1796 | Ok(_) => IpcResponse::Ok { message: "movefocus".to_string() }, |
| 1797 | Err(e) => IpcResponse::Error { message: format!("movefocus failed: {}", e) }, |
| 1798 | } |
| 1799 | } |
| 1800 | } else { |
| 1801 | |
| 1802 | // For keyboard navigation, check if we're at the absolute edge: |
| 1803 | // 1. On edge monitor (no monitor in that direction) |
| 1804 | // 2. On edge window of that monitor (no window further in that direction) |
| 1805 | |
| 1806 | let at_edge = 'edge_check: { |
| 1807 | // Get monitors and find focused one |
| 1808 | let monitors = match hypr_client.monitors().await { |
| 1809 | Ok(m) => m, |
| 1810 | Err(e) => { |
| 1811 | info!(" edge_check: monitors query failed: {}", e); |
| 1812 | break 'edge_check false; |
| 1813 | } |
| 1814 | }; |
| 1815 | let focused_monitor = match monitors.iter().find(|m| m.focused) { |
| 1816 | Some(m) => m, |
| 1817 | None => { |
| 1818 | info!(" edge_check: no focused monitor found"); |
| 1819 | break 'edge_check false; |
| 1820 | } |
| 1821 | }; |
| 1822 | |
| 1823 | // Check if there's another monitor in the requested direction |
| 1824 | // Use logical dimensions (physical / scale) since positions are logical |
| 1825 | let has_monitor_in_direction = monitors.iter().any(|m| { |
| 1826 | if m.id == focused_monitor.id { return false; } |
| 1827 | let m_logical_w = (m.width as f32 / m.scale).round() as i32; |
| 1828 | let m_logical_h = (m.height as f32 / m.scale).round() as i32; |
| 1829 | let focused_logical_w = (focused_monitor.width as f32 / focused_monitor.scale).round() as i32; |
| 1830 | let focused_logical_h = (focused_monitor.height as f32 / focused_monitor.scale).round() as i32; |
| 1831 | match direction { |
| 1832 | Direction::Left => m.x + m_logical_w <= focused_monitor.x, |
| 1833 | Direction::Right => m.x >= focused_monitor.x + focused_logical_w, |
| 1834 | Direction::Up => m.y + m_logical_h <= focused_monitor.y, |
| 1835 | Direction::Down => m.y >= focused_monitor.y + focused_logical_h, |
| 1836 | } |
| 1837 | }); |
| 1838 | |
| 1839 | if has_monitor_in_direction { |
| 1840 | // There's a monitor in that direction, not at edge |
| 1841 | info!(" edge_check: has monitor in direction {:?}", direction); |
| 1842 | break 'edge_check false; |
| 1843 | } |
| 1844 | |
| 1845 | // We're on the edge monitor. Now check if we're on the edge window. |
| 1846 | // Get active window position |
| 1847 | let active_window: serde_json::Value = match hypr_client.query("activewindow").await { |
| 1848 | Ok(w) => w, |
| 1849 | Err(e) => { |
| 1850 | info!(" edge_check: activewindow query failed: {}", e); |
| 1851 | break 'edge_check false; |
| 1852 | } |
| 1853 | }; |
| 1854 | |
| 1855 | let win_x = active_window.get("at").and_then(|a| a.get(0)).and_then(|x| x.as_i64()).unwrap_or(0) as i32; |
| 1856 | let win_y = active_window.get("at").and_then(|a| a.get(1)).and_then(|y| y.as_i64()).unwrap_or(0) as i32; |
| 1857 | let win_w = active_window.get("size").and_then(|s| s.get(0)).and_then(|w| w.as_i64()).unwrap_or(100) as i32; |
| 1858 | let win_h = active_window.get("size").and_then(|s| s.get(1)).and_then(|h| h.as_i64()).unwrap_or(100) as i32; |
| 1859 | |
| 1860 | // Get all clients (windows) |
| 1861 | let clients: Vec<serde_json::Value> = match hypr_client.query("clients").await { |
| 1862 | Ok(c) => c, |
| 1863 | Err(e) => { |
| 1864 | info!(" edge_check: clients query failed: {}", e); |
| 1865 | break 'edge_check false; |
| 1866 | } |
| 1867 | }; |
| 1868 | |
| 1869 | // Calculate monitor bounds in logical coordinates |
| 1870 | let mon_logical_h = (focused_monitor.height as f32 / focused_monitor.scale).round() as i32; |
| 1871 | |
| 1872 | info!(" edge_check: active window at ({},{}) size {}x{}, {} clients on monitor, mon_y={}, mon_h={}", |
| 1873 | win_x, win_y, win_w, win_h, |
| 1874 | clients.iter().filter(|c| c.get("monitor").and_then(|m| m.as_i64()).unwrap_or(-1) as i32 == focused_monitor.id).count(), |
| 1875 | focused_monitor.y, mon_logical_h); |
| 1876 | |
| 1877 | // Check if any OTHER window on this monitor is further in that direction |
| 1878 | let has_window_in_direction = clients.iter().any(|client| { |
| 1879 | let mon = client.get("monitor").and_then(|m| m.as_i64()).unwrap_or(-1) as i32; |
| 1880 | if mon != focused_monitor.id { return false; } |
| 1881 | |
| 1882 | let cx = client.get("at").and_then(|a| a.get(0)).and_then(|x| x.as_i64()).unwrap_or(0) as i32; |
| 1883 | let cy = client.get("at").and_then(|a| a.get(1)).and_then(|y| y.as_i64()).unwrap_or(0) as i32; |
| 1884 | let cw = client.get("size").and_then(|s| s.get(0)).and_then(|w| w.as_i64()).unwrap_or(0) as i32; |
| 1885 | let ch = client.get("size").and_then(|s| s.get(1)).and_then(|h| h.as_i64()).unwrap_or(0) as i32; |
| 1886 | |
| 1887 | // Skip the active window itself |
| 1888 | if cx == win_x && cy == win_y && cw == win_w && ch == win_h { |
| 1889 | return false; |
| 1890 | } |
| 1891 | |
| 1892 | match direction { |
| 1893 | Direction::Left => cx + cw <= win_x + 10, |
| 1894 | Direction::Right => cx >= win_x + win_w - 10, |
| 1895 | Direction::Up => cy + ch <= win_y + 10, |
| 1896 | Direction::Down => cy >= win_y + win_h - 10, |
| 1897 | } |
| 1898 | }); |
| 1899 | |
| 1900 | info!(" edge_check: has_window_in_direction={} -> at_edge={}", has_window_in_direction, !has_window_in_direction); |
| 1901 | !has_window_in_direction |
| 1902 | }; |
| 1903 | |
| 1904 | // Check if we have a peer in this direction |
| 1905 | let has_peer = { |
| 1906 | let peers = peers.read().await; |
| 1907 | peers.contains_key(&direction) |
| 1908 | }; |
| 1909 | |
| 1910 | // Get neighbor name if configured |
| 1911 | let neighbor_name = config.machines.neighbors |
| 1912 | .iter() |
| 1913 | .find(|n| n.direction == direction) |
| 1914 | .map(|n| n.name.clone()); |
| 1915 | |
| 1916 | info!("IPC Move {:?}: at_edge={}, has_peer={}, neighbor={:?}", direction, at_edge, has_peer, neighbor_name); |
| 1917 | |
| 1918 | // At edge with peer: either return control or initiate transfer |
| 1919 | if at_edge && has_peer && neighbor_name.is_some() { |
| 1920 | // Check if we're in ReceivedControl state from this direction |
| 1921 | if let transfer::TransferState::ReceivedControl { from, .. } = current_state { |
| 1922 | if from == direction { |
| 1923 | // Return control to source machine |
| 1924 | tracing::info!("Keyboard return: at edge, returning control to {:?}", direction); |
| 1925 | if let Err(e) = transfer_manager.return_control().await { |
| 1926 | tracing::warn!("Failed to return control: {}", e); |
| 1927 | IpcResponse::Error { message: format!("Return failed: {}", e) } |
| 1928 | } else { |
| 1929 | // Set cooldown to prevent immediate re-transfer (bounce-back) |
| 1930 | last_control_return = Some((std::time::Instant::now(), direction)); |
| 1931 | IpcResponse::Transferred { to_machine: neighbor_name.unwrap() } |
| 1932 | } |
| 1933 | } else { |
| 1934 | // At edge with peer but received control from different direction |
| 1935 | if barrier_enabled.load(std::sync::atomic::Ordering::SeqCst) { |
| 1936 | IpcResponse::Error { message: "Barrier enabled".to_string() } |
| 1937 | } else { |
| 1938 | // Initiate new transfer |
| 1939 | let cursor_pos = hypr_client.cursor_pos().await |
| 1940 | .map(|c| (c.x, c.y)) |
| 1941 | .unwrap_or((0, 0)); |
| 1942 | |
| 1943 | if let Err(e) = transfer_manager.initiate_transfer( |
| 1944 | direction, |
| 1945 | cursor_pos, |
| 1946 | screen_min_x, |
| 1947 | screen_min_y, |
| 1948 | screen_max_x, |
| 1949 | screen_max_y, |
| 1950 | true, // keyboard-initiated (IPC Move from keybind) |
| 1951 | ).await { |
| 1952 | IpcResponse::Error { message: format!("Transfer failed: {}", e) } |
| 1953 | } else { |
| 1954 | IpcResponse::Transferred { to_machine: neighbor_name.unwrap() } |
| 1955 | } |
| 1956 | } |
| 1957 | } |
| 1958 | } else { |
| 1959 | // Not in ReceivedControl - check cooldown first (only for matching direction) |
| 1960 | let in_cooldown = if let Some((last_return, cooldown_dir)) = last_control_return { |
| 1961 | cooldown_dir == direction && last_return.elapsed().as_millis() < CONTROL_RETURN_COOLDOWN_MS as u128 |
| 1962 | } else { |
| 1963 | false |
| 1964 | }; |
| 1965 | |
| 1966 | if in_cooldown { |
| 1967 | // At edge with peer but in cooldown - ignore entirely |
| 1968 | // Don't do movefocus because Hyprland may wrap at edge causing bounce-back |
| 1969 | tracing::info!("IPC Move {:?}: at edge, in cooldown, ignoring (prevents wrap bounce-back)", direction); |
| 1970 | // Clear cooldown after blocking once, so subsequent legitimate presses work |
| 1971 | last_control_return = None; |
| 1972 | IpcResponse::Ok { message: "in cooldown at edge".to_string() } |
| 1973 | } else if barrier_enabled.load(std::sync::atomic::Ordering::SeqCst) { |
| 1974 | IpcResponse::Error { message: "Barrier enabled".to_string() } |
| 1975 | } else { |
| 1976 | // Initiate new transfer |
| 1977 | let cursor_pos = hypr_client.cursor_pos().await |
| 1978 | .map(|c| (c.x, c.y)) |
| 1979 | .unwrap_or((0, 0)); |
| 1980 | |
| 1981 | if let Err(e) = transfer_manager.initiate_transfer( |
| 1982 | direction, |
| 1983 | cursor_pos, |
| 1984 | screen_min_x, |
| 1985 | screen_min_y, |
| 1986 | screen_max_x, |
| 1987 | screen_max_y, |
| 1988 | true, // keyboard-initiated (IPC Move from keybind) |
| 1989 | ).await { |
| 1990 | IpcResponse::Error { message: format!("Transfer failed: {}", e) } |
| 1991 | } else { |
| 1992 | IpcResponse::Transferred { to_machine: neighbor_name.unwrap() } |
| 1993 | } |
| 1994 | } |
| 1995 | } |
| 1996 | } else { |
| 1997 | // Either not at edge, or at edge but no peer |
| 1998 | // Check cooldown to prevent spurious navigation after peer return |
| 1999 | // (e.g., user pressed Down on cachyos to return, libinput still sees Down held) |
| 2000 | let in_cooldown = if let Some((last_return, cooldown_dir)) = last_control_return { |
| 2001 | cooldown_dir == direction && last_return.elapsed().as_millis() < CONTROL_RETURN_COOLDOWN_MS as u128 |
| 2002 | } else { |
| 2003 | false |
| 2004 | }; |
| 2005 | |
| 2006 | if in_cooldown { |
| 2007 | tracing::info!("IPC Move {:?}: in cooldown (not at edge), ignoring spurious keypress", direction); |
| 2008 | // Clear cooldown after blocking once, so subsequent legitimate presses work |
| 2009 | last_control_return = None; |
| 2010 | IpcResponse::Ok { message: "in cooldown".to_string() } |
| 2011 | } else { |
| 2012 | // Do local movefocus |
| 2013 | let hypr_dir = match direction { |
| 2014 | Direction::Left => "l", |
| 2015 | Direction::Right => "r", |
| 2016 | Direction::Up => "u", |
| 2017 | Direction::Down => "d", |
| 2018 | }; |
| 2019 | info!("IPC Move {:?}: doing local movefocus {}", direction, hypr_dir); |
| 2020 | match hypr_client.dispatch("movefocus", hypr_dir).await { |
| 2021 | Ok(()) => info!(" movefocus succeeded"), |
| 2022 | Err(e) => tracing::error!(" movefocus failed: {}", e), |
| 2023 | } |
| 2024 | IpcResponse::DoLocalMove |
| 2025 | } |
| 2026 | } |
| 2027 | } // end of else block for Initiating check |
| 2028 | } |
| 2029 | IpcRequest::Status => { |
| 2030 | let state = format!("{:?}", transfer_manager.state().await); |
| 2031 | let connected_peers: Vec<String> = { |
| 2032 | let peers = peers.read().await; |
| 2033 | config.machines.neighbors |
| 2034 | .iter() |
| 2035 | .filter(|n| peers.contains_key(&n.direction)) |
| 2036 | .map(|n| n.name.clone()) |
| 2037 | .collect() |
| 2038 | }; |
| 2039 | let uptime_secs = daemon_start_time.elapsed().as_secs(); |
| 2040 | IpcResponse::Status { |
| 2041 | state, |
| 2042 | connected_peers, |
| 2043 | uptime_secs, |
| 2044 | machine_name: config.machines.self_name.clone(), |
| 2045 | } |
| 2046 | } |
| 2047 | IpcRequest::ListPeers => { |
| 2048 | let peers_guard = peers.read().await; |
| 2049 | let peer_list: Vec<hyprkvm_common::protocol::PeerInfo> = config.machines.neighbors |
| 2050 | .iter() |
| 2051 | .map(|n| { |
| 2052 | let connected = peers_guard.contains_key(&n.direction); |
| 2053 | let status = if connected { |
| 2054 | "connected".to_string() |
| 2055 | } else { |
| 2056 | "disconnected".to_string() |
| 2057 | }; |
| 2058 | hyprkvm_common::protocol::PeerInfo { |
| 2059 | name: n.name.clone(), |
| 2060 | direction: n.direction, |
| 2061 | connected, |
| 2062 | address: n.address.to_string(), |
| 2063 | status, |
| 2064 | } |
| 2065 | }) |
| 2066 | .collect(); |
| 2067 | IpcResponse::Peers { peers: peer_list } |
| 2068 | } |
| 2069 | IpcRequest::PingPeer { peer_name } => { |
| 2070 | // Find the peer by name |
| 2071 | let neighbor = config.machines.neighbors |
| 2072 | .iter() |
| 2073 | .find(|n| n.name == peer_name); |
| 2074 | |
| 2075 | match neighbor { |
| 2076 | Some(n) => { |
| 2077 | let direction = n.direction; |
| 2078 | let mut peers_guard = peers.write().await; |
| 2079 | |
| 2080 | if let Some(peer_conn) = peers_guard.get_mut(&direction) { |
| 2081 | // Send Ping with current timestamp |
| 2082 | let timestamp = std::time::SystemTime::now() |
| 2083 | .duration_since(std::time::UNIX_EPOCH) |
| 2084 | .unwrap() |
| 2085 | .as_millis() as u64; |
| 2086 | |
| 2087 | if let Err(e) = peer_conn.send(&Message::Ping { timestamp }).await { |
| 2088 | IpcResponse::PingResult { |
| 2089 | peer_name, |
| 2090 | latency_ms: None, |
| 2091 | error: Some(format!("Send failed: {}", e)), |
| 2092 | } |
| 2093 | } else { |
| 2094 | // Wait for Pong with timeout |
| 2095 | match tokio::time::timeout( |
| 2096 | std::time::Duration::from_secs(5), |
| 2097 | peer_conn.recv() |
| 2098 | ).await { |
| 2099 | Ok(Ok(Some(Message::Pong { timestamp: pong_ts }))) => { |
| 2100 | let now = std::time::SystemTime::now() |
| 2101 | .duration_since(std::time::UNIX_EPOCH) |
| 2102 | .unwrap() |
| 2103 | .as_millis() as u64; |
| 2104 | let latency = now.saturating_sub(pong_ts); |
| 2105 | IpcResponse::PingResult { |
| 2106 | peer_name, |
| 2107 | latency_ms: Some(latency), |
| 2108 | error: None, |
| 2109 | } |
| 2110 | } |
| 2111 | Ok(Ok(Some(_))) => { |
| 2112 | IpcResponse::PingResult { |
| 2113 | peer_name, |
| 2114 | latency_ms: None, |
| 2115 | error: Some("Unexpected response".to_string()), |
| 2116 | } |
| 2117 | } |
| 2118 | Ok(Ok(None)) => { |
| 2119 | // Connection closed |
| 2120 | peers_guard.remove(&direction); |
| 2121 | IpcResponse::PingResult { |
| 2122 | peer_name, |
| 2123 | latency_ms: None, |
| 2124 | error: Some("Connection closed".to_string()), |
| 2125 | } |
| 2126 | } |
| 2127 | Ok(Err(e)) => { |
| 2128 | IpcResponse::PingResult { |
| 2129 | peer_name, |
| 2130 | latency_ms: None, |
| 2131 | error: Some(format!("Receive error: {}", e)), |
| 2132 | } |
| 2133 | } |
| 2134 | Err(_) => { |
| 2135 | IpcResponse::PingResult { |
| 2136 | peer_name, |
| 2137 | latency_ms: None, |
| 2138 | error: Some("Timeout".to_string()), |
| 2139 | } |
| 2140 | } |
| 2141 | } |
| 2142 | } |
| 2143 | } else { |
| 2144 | IpcResponse::PingResult { |
| 2145 | peer_name, |
| 2146 | latency_ms: None, |
| 2147 | error: Some("Peer not connected".to_string()), |
| 2148 | } |
| 2149 | } |
| 2150 | } |
| 2151 | None => { |
| 2152 | IpcResponse::Error { |
| 2153 | message: format!("Unknown peer: {}", peer_name), |
| 2154 | } |
| 2155 | } |
| 2156 | } |
| 2157 | } |
| 2158 | |
| 2159 | // ================================================================ |
| 2160 | // CLI Expansion: Control Transfer |
| 2161 | // ================================================================ |
| 2162 | |
| 2163 | IpcRequest::Switch { target } => { |
| 2164 | use hyprkvm_common::protocol::SwitchTarget; |
| 2165 | |
| 2166 | // Resolve target to a direction |
| 2167 | let direction = match &target { |
| 2168 | SwitchTarget::Direction(dir) => Some(*dir), |
| 2169 | SwitchTarget::MachineName(name) => { |
| 2170 | config.machines.neighbors |
| 2171 | .iter() |
| 2172 | .find(|n| &n.name == name) |
| 2173 | .map(|n| n.direction) |
| 2174 | } |
| 2175 | }; |
| 2176 | |
| 2177 | match direction { |
| 2178 | Some(dir) => { |
| 2179 | let peers_guard = peers.read().await; |
| 2180 | if peers_guard.get(&dir).is_some() { |
| 2181 | drop(peers_guard); |
| 2182 | |
| 2183 | // Get cursor position (use center of total screen) |
| 2184 | let cursor_pos = hypr_client.cursor_pos().await |
| 2185 | .map(|c| (c.x, c.y)) |
| 2186 | .unwrap_or(((screen_min_x + screen_max_x) / 2, (screen_min_y + screen_max_y) / 2)); |
| 2187 | |
| 2188 | // Initiate transfer (CLI-initiated, not keyboard) |
| 2189 | info!("IPC Switch: calling initiate_transfer"); |
| 2190 | match transfer_manager.initiate_transfer(dir, cursor_pos, screen_min_x, screen_min_y, screen_max_x, screen_max_y, false).await { |
| 2191 | Ok(()) => { |
| 2192 | let machine_name = config.machines.neighbors |
| 2193 | .iter() |
| 2194 | .find(|n| n.direction == dir) |
| 2195 | .map(|n| n.name.clone()) |
| 2196 | .unwrap_or_else(|| format!("{:?}", dir)); |
| 2197 | info!("IPC Switch: initiate_transfer succeeded, returning response to CLI"); |
| 2198 | IpcResponse::Transferred { to_machine: machine_name } |
| 2199 | } |
| 2200 | Err(e) => IpcResponse::Error { |
| 2201 | message: format!("Transfer failed: {}", e), |
| 2202 | } |
| 2203 | } |
| 2204 | } else { |
| 2205 | IpcResponse::Error { |
| 2206 | message: format!("Peer not connected in direction {:?}", dir), |
| 2207 | } |
| 2208 | } |
| 2209 | } |
| 2210 | None => { |
| 2211 | let name = match target { |
| 2212 | SwitchTarget::MachineName(n) => n, |
| 2213 | _ => "unknown".to_string(), |
| 2214 | }; |
| 2215 | IpcResponse::Error { |
| 2216 | message: format!("Unknown machine: {}", name), |
| 2217 | } |
| 2218 | } |
| 2219 | } |
| 2220 | } |
| 2221 | |
| 2222 | IpcRequest::Return => { |
| 2223 | match transfer_manager.return_control().await { |
| 2224 | Ok(()) => IpcResponse::Ok { |
| 2225 | message: "Control returned".to_string(), |
| 2226 | }, |
| 2227 | Err(e) => IpcResponse::Error { |
| 2228 | message: format!("Return failed: {}", e), |
| 2229 | } |
| 2230 | } |
| 2231 | } |
| 2232 | |
| 2233 | // ================================================================ |
| 2234 | // CLI Expansion: Input Management |
| 2235 | // ================================================================ |
| 2236 | |
| 2237 | IpcRequest::Release => { |
| 2238 | // Stop input grabbing |
| 2239 | input_grabber.stop(None); |
| 2240 | // Abort any pending transfer |
| 2241 | transfer_manager.abort().await; |
| 2242 | IpcResponse::Ok { |
| 2243 | message: "Input released".to_string(), |
| 2244 | } |
| 2245 | } |
| 2246 | |
| 2247 | IpcRequest::SetBarrier { enabled } => { |
| 2248 | barrier_enabled.store(enabled, std::sync::atomic::Ordering::SeqCst); |
| 2249 | let status = if enabled { "enabled" } else { "disabled" }; |
| 2250 | IpcResponse::Ok { |
| 2251 | message: format!("Barrier {}", status), |
| 2252 | } |
| 2253 | } |
| 2254 | |
| 2255 | // ================================================================ |
| 2256 | // CLI Expansion: Connection Management |
| 2257 | // ================================================================ |
| 2258 | |
| 2259 | IpcRequest::Disconnect { peer_name } => { |
| 2260 | let neighbor = config.machines.neighbors |
| 2261 | .iter() |
| 2262 | .find(|n| n.name == peer_name); |
| 2263 | |
| 2264 | match neighbor { |
| 2265 | Some(n) => { |
| 2266 | let direction = n.direction; |
| 2267 | let mut peers_guard = peers.write().await; |
| 2268 | if let Some(mut peer_conn) = peers_guard.remove(&direction) { |
| 2269 | // Send goodbye before disconnecting |
| 2270 | let _ = peer_conn.send(&Message::Goodbye).await; |
| 2271 | IpcResponse::Ok { |
| 2272 | message: format!("Disconnected from {}", peer_name), |
| 2273 | } |
| 2274 | } else { |
| 2275 | IpcResponse::Error { |
| 2276 | message: format!("Peer {} not connected", peer_name), |
| 2277 | } |
| 2278 | } |
| 2279 | } |
| 2280 | None => IpcResponse::Error { |
| 2281 | message: format!("Unknown peer: {}", peer_name), |
| 2282 | } |
| 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | IpcRequest::Reconnect { peer_name } => { |
| 2287 | let neighbor = config.machines.neighbors |
| 2288 | .iter() |
| 2289 | .find(|n| n.name == peer_name) |
| 2290 | .cloned(); |
| 2291 | |
| 2292 | match neighbor { |
| 2293 | Some(n) => { |
| 2294 | let direction = n.direction; |
| 2295 | let addr = n.address; |
| 2296 | // Remove existing connection if any |
| 2297 | { |
| 2298 | let mut peers_guard = peers.write().await; |
| 2299 | if let Some(mut peer_conn) = peers_guard.remove(&direction) { |
| 2300 | let _ = peer_conn.send(&Message::Goodbye).await; |
| 2301 | } |
| 2302 | } |
| 2303 | // Spawn reconnection task (same logic as initial connection) |
| 2304 | let peers_clone = peers.clone(); |
| 2305 | let machine_name = config.machines.self_name.clone(); |
| 2306 | let neighbor_name = n.name.clone(); |
| 2307 | |
| 2308 | // Determine TLS settings for this neighbor |
| 2309 | let use_tls = n.tls.unwrap_or(tls_enabled); |
| 2310 | let fingerprint = n.fingerprint.clone(); |
| 2311 | let tofu = config.network.tls.tofu; |
| 2312 | |
| 2313 | tokio::spawn(async move { |
| 2314 | // Connect with or without TLS |
| 2315 | let conn_result = if use_tls { |
| 2316 | network::connect_tls(addr, &neighbor_name, fingerprint.as_deref(), tofu).await |
| 2317 | } else { |
| 2318 | network::connect(addr).await |
| 2319 | }; |
| 2320 | |
| 2321 | match conn_result { |
| 2322 | Ok(mut conn) => { |
| 2323 | // Send Hello with direction for peer sync |
| 2324 | let hello = Message::Hello(HelloPayload { |
| 2325 | protocol_version: PROTOCOL_VERSION, |
| 2326 | machine_name, |
| 2327 | capabilities: vec![], |
| 2328 | my_direction_for_you: Some(direction), |
| 2329 | }); |
| 2330 | if let Err(e) = conn.send(&hello).await { |
| 2331 | tracing::error!("Reconnect: failed to send Hello: {}", e); |
| 2332 | return; |
| 2333 | } |
| 2334 | // Wait for HelloAck |
| 2335 | match conn.recv().await { |
| 2336 | Ok(Some(Message::HelloAck(ack))) if ack.accepted => { |
| 2337 | let mut peers_guard = peers_clone.write().await; |
| 2338 | peers_guard.insert(direction, conn); |
| 2339 | info!("Reconnected to {}", neighbor_name); |
| 2340 | } |
| 2341 | Ok(Some(Message::HelloAck(ack))) => { |
| 2342 | tracing::error!("Reconnect rejected: {:?}", ack.error); |
| 2343 | } |
| 2344 | _ => { |
| 2345 | tracing::error!("Reconnect: handshake failed"); |
| 2346 | } |
| 2347 | } |
| 2348 | } |
| 2349 | Err(e) => { |
| 2350 | tracing::error!("Reconnect: connection failed: {}", e); |
| 2351 | } |
| 2352 | } |
| 2353 | }); |
| 2354 | IpcResponse::Ok { |
| 2355 | message: format!("Reconnecting to {}", peer_name), |
| 2356 | } |
| 2357 | } |
| 2358 | None => IpcResponse::Error { |
| 2359 | message: format!("Unknown peer: {}", peer_name), |
| 2360 | } |
| 2361 | } |
| 2362 | } |
| 2363 | |
| 2364 | // ================================================================ |
| 2365 | // CLI Expansion: Configuration |
| 2366 | // ================================================================ |
| 2367 | |
| 2368 | IpcRequest::GetConfig => { |
| 2369 | match toml::to_string_pretty(&config) { |
| 2370 | Ok(toml_str) => IpcResponse::Config { toml: toml_str }, |
| 2371 | Err(e) => IpcResponse::Error { |
| 2372 | message: format!("Failed to serialize config: {}", e), |
| 2373 | } |
| 2374 | } |
| 2375 | } |
| 2376 | |
| 2377 | IpcRequest::Reload => { |
| 2378 | // Re-read and validate config file |
| 2379 | match config::Config::load(&config_path) { |
| 2380 | Ok(new_config) => { |
| 2381 | // Check what changed |
| 2382 | let mut changes = Vec::new(); |
| 2383 | let mut needs_restart = false; |
| 2384 | |
| 2385 | if new_config.machines.self_name != config.machines.self_name { |
| 2386 | changes.push(format!( |
| 2387 | "machine name: {} -> {} (requires restart)", |
| 2388 | config.machines.self_name, new_config.machines.self_name |
| 2389 | )); |
| 2390 | needs_restart = true; |
| 2391 | } |
| 2392 | |
| 2393 | if new_config.network.listen_port != config.network.listen_port { |
| 2394 | changes.push(format!( |
| 2395 | "listen port: {} -> {} (requires restart)", |
| 2396 | config.network.listen_port, new_config.network.listen_port |
| 2397 | )); |
| 2398 | needs_restart = true; |
| 2399 | } |
| 2400 | |
| 2401 | if new_config.machines.neighbors.len() != config.machines.neighbors.len() { |
| 2402 | changes.push(format!( |
| 2403 | "neighbors: {} -> {} (requires restart)", |
| 2404 | config.machines.neighbors.len(), new_config.machines.neighbors.len() |
| 2405 | )); |
| 2406 | needs_restart = true; |
| 2407 | } |
| 2408 | |
| 2409 | // Check for direction changes (requires restart for edge barriers) |
| 2410 | // Also send DirectionChange messages to notify peers |
| 2411 | let mut direction_changes: Vec<(String, Direction)> = Vec::new(); |
| 2412 | for new_neighbor in &new_config.machines.neighbors { |
| 2413 | if let Some(old_neighbor) = config.machines.neighbors |
| 2414 | .iter() |
| 2415 | .find(|n| n.name == new_neighbor.name) |
| 2416 | { |
| 2417 | if old_neighbor.direction != new_neighbor.direction { |
| 2418 | changes.push(format!( |
| 2419 | "neighbor '{}' direction: {:?} -> {:?} (requires restart)", |
| 2420 | new_neighbor.name, old_neighbor.direction, new_neighbor.direction |
| 2421 | )); |
| 2422 | needs_restart = true; |
| 2423 | // Track this change to notify the peer |
| 2424 | direction_changes.push((new_neighbor.name.clone(), new_neighbor.direction)); |
| 2425 | } |
| 2426 | } |
| 2427 | } |
| 2428 | |
| 2429 | // Send DirectionChange messages to affected peers |
| 2430 | // We need to send on the OLD direction since that's where the peer is connected |
| 2431 | for (peer_name, new_direction) in &direction_changes { |
| 2432 | // Find the OLD direction for this peer from current config |
| 2433 | let old_direction = config.machines.neighbors |
| 2434 | .iter() |
| 2435 | .find(|n| &n.name == peer_name) |
| 2436 | .map(|n| n.direction); |
| 2437 | |
| 2438 | if let Some(old_dir) = old_direction { |
| 2439 | let mut peers_guard = peers.write().await; |
| 2440 | if let Some(peer) = peers_guard.get_mut(&old_dir) { |
| 2441 | info!("Sending DirectionChange to {}: you are now {:?} from me", |
| 2442 | peer_name, new_direction); |
| 2443 | let msg = Message::DirectionChange( |
| 2444 | hyprkvm_common::protocol::DirectionChangePayload { |
| 2445 | your_direction_from_me: *new_direction, |
| 2446 | } |
| 2447 | ); |
| 2448 | if let Err(e) = peer.send(&msg).await { |
| 2449 | tracing::warn!("Failed to send DirectionChange to {}: {}", peer_name, e); |
| 2450 | } |
| 2451 | } else { |
| 2452 | tracing::warn!("Peer {} not connected on {:?}", peer_name, old_dir); |
| 2453 | } |
| 2454 | } |
| 2455 | } |
| 2456 | |
| 2457 | // Apply the new config (only if no restart needed) |
| 2458 | if !needs_restart { |
| 2459 | config = new_config; |
| 2460 | } |
| 2461 | |
| 2462 | if changes.is_empty() { |
| 2463 | IpcResponse::Ok { |
| 2464 | message: "Config unchanged".to_string(), |
| 2465 | } |
| 2466 | } else if needs_restart { |
| 2467 | IpcResponse::Ok { |
| 2468 | message: format!( |
| 2469 | "Config saved (restart required to apply):\n - {}", |
| 2470 | changes.join("\n - ") |
| 2471 | ), |
| 2472 | } |
| 2473 | } else { |
| 2474 | IpcResponse::Ok { |
| 2475 | message: format!( |
| 2476 | "Config reloaded:\n - {}", |
| 2477 | changes.join("\n - ") |
| 2478 | ), |
| 2479 | } |
| 2480 | } |
| 2481 | } |
| 2482 | Err(e) => IpcResponse::Error { |
| 2483 | message: format!("Failed to load config: {}", e), |
| 2484 | } |
| 2485 | } |
| 2486 | } |
| 2487 | |
| 2488 | // ================================================================ |
| 2489 | // CLI Expansion: Daemon Control |
| 2490 | // ================================================================ |
| 2491 | |
| 2492 | IpcRequest::Shutdown => { |
| 2493 | info!("Shutdown requested via IPC"); |
| 2494 | shutdown_requested.store(true, std::sync::atomic::Ordering::SeqCst); |
| 2495 | IpcResponse::Ok { |
| 2496 | message: "Shutting down...".to_string(), |
| 2497 | } |
| 2498 | } |
| 2499 | |
| 2500 | IpcRequest::GetLogs { lines, follow: _ } => { |
| 2501 | // Find log files (rolling appender creates daemon.log.YYYY-MM-DD) |
| 2502 | let log_dir = dirs::data_local_dir() |
| 2503 | .unwrap_or_else(|| std::path::PathBuf::from("/tmp")) |
| 2504 | .join("hyprkvm"); |
| 2505 | |
| 2506 | // Find the most recent log file |
| 2507 | let log_file = std::fs::read_dir(&log_dir) |
| 2508 | .ok() |
| 2509 | .and_then(|entries| { |
| 2510 | entries |
| 2511 | .filter_map(|e| e.ok()) |
| 2512 | .filter(|e| { |
| 2513 | e.file_name() |
| 2514 | .to_string_lossy() |
| 2515 | .starts_with("daemon.log") |
| 2516 | }) |
| 2517 | .max_by_key(|e| e.metadata().ok().and_then(|m| m.modified().ok())) |
| 2518 | .map(|e| e.path()) |
| 2519 | }); |
| 2520 | |
| 2521 | match log_file { |
| 2522 | Some(path) => { |
| 2523 | match std::fs::read_to_string(&path) { |
| 2524 | Ok(content) => { |
| 2525 | let n = lines.unwrap_or(50) as usize; |
| 2526 | let log_lines: Vec<String> = content |
| 2527 | .lines() |
| 2528 | .rev() |
| 2529 | .take(n) |
| 2530 | .map(|s| s.to_string()) |
| 2531 | .collect::<Vec<_>>() |
| 2532 | .into_iter() |
| 2533 | .rev() |
| 2534 | .collect(); |
| 2535 | IpcResponse::Logs { lines: log_lines } |
| 2536 | } |
| 2537 | Err(e) => IpcResponse::Error { |
| 2538 | message: format!("Failed to read log file: {}", e), |
| 2539 | } |
| 2540 | } |
| 2541 | } |
| 2542 | None => { |
| 2543 | IpcResponse::Logs { |
| 2544 | lines: vec!["No log files found.".to_string()], |
| 2545 | } |
| 2546 | } |
| 2547 | } |
| 2548 | } |
| 2549 | }; |
| 2550 | |
| 2551 | let _ = response_tx.send(response); |
| 2552 | } |
| 2553 | |
| 2554 | // Handle restart signal from direction change |
| 2555 | Some(reason) = restart_rx.recv() => { |
| 2556 | info!("Restart required: {}", reason); |
| 2557 | info!("Exiting to allow restart with updated config..."); |
| 2558 | accept_handle.abort(); |
| 2559 | // Exit with code 75 (EX_TEMPFAIL) to signal that we need to restart |
| 2560 | // This allows systemd or the GUI to restart us |
| 2561 | std::process::exit(75); |
| 2562 | } |
| 2563 | |
| 2564 | // Shutdown (Ctrl+C or IPC request) |
| 2565 | _ = tokio::signal::ctrl_c() => { |
| 2566 | info!("Shutting down (Ctrl+C)..."); |
| 2567 | accept_handle.abort(); |
| 2568 | break; |
| 2569 | } |
| 2570 | |
| 2571 | // Check for IPC shutdown request |
| 2572 | _ = async { |
| 2573 | while !shutdown_requested.load(std::sync::atomic::Ordering::SeqCst) { |
| 2574 | tokio::time::sleep(std::time::Duration::from_millis(100)).await; |
| 2575 | } |
| 2576 | } => { |
| 2577 | info!("Shutting down (IPC request)..."); |
| 2578 | accept_handle.abort(); |
| 2579 | break; |
| 2580 | } |
| 2581 | } |
| 2582 | } |
| 2583 | |
| 2584 | Ok(()) |
| 2585 | } |
| 2586 | |
| 2587 | async fn show_status() -> anyhow::Result<()> { |
| 2588 | // TODO: Connect to running daemon via IPC and get status |
| 2589 | println!("HyprKVM Status"); |
| 2590 | println!("=============="); |
| 2591 | println!("Daemon: not implemented yet"); |
| 2592 | Ok(()) |
| 2593 | } |
| 2594 | |
| 2595 | async fn handle_move(direction: &str) -> anyhow::Result<()> { |
| 2596 | use hyprkvm_common::Direction; |
| 2597 | use hyprkvm_common::protocol::{IpcRequest, IpcResponse}; |
| 2598 | |
| 2599 | let dir: Direction = direction.parse()?; |
| 2600 | |
| 2601 | // Try to connect to daemon |
| 2602 | match ipc::IpcClient::connect().await { |
| 2603 | Ok(mut client) => { |
| 2604 | // Ask daemon to handle the move (it does movefocus internally) |
| 2605 | let request = IpcRequest::Move { direction: dir }; |
| 2606 | match client.request(&request).await { |
| 2607 | Ok(IpcResponse::Transferred { to_machine }) => { |
| 2608 | tracing::info!("Transferred control to {}", to_machine); |
| 2609 | } |
| 2610 | Ok(IpcResponse::DoLocalMove) => { |
| 2611 | // Daemon handled it |
| 2612 | } |
| 2613 | Ok(IpcResponse::Error { message }) => { |
| 2614 | tracing::warn!("Daemon error: {}", message); |
| 2615 | } |
| 2616 | Ok(_) => { |
| 2617 | tracing::warn!("Unexpected response from daemon"); |
| 2618 | } |
| 2619 | Err(e) => { |
| 2620 | tracing::debug!("IPC request failed: {}, falling back to local", e); |
| 2621 | do_local_move(dir).await?; |
| 2622 | } |
| 2623 | } |
| 2624 | } |
| 2625 | Err(e) => { |
| 2626 | tracing::debug!("Daemon not running ({}), doing local move", e); |
| 2627 | do_local_move(dir).await?; |
| 2628 | } |
| 2629 | } |
| 2630 | |
| 2631 | Ok(()) |
| 2632 | } |
| 2633 | |
| 2634 | async fn do_local_move(dir: hyprkvm_common::Direction) -> anyhow::Result<()> { |
| 2635 | use hyprkvm_common::Direction; |
| 2636 | |
| 2637 | let hypr_dir = match dir { |
| 2638 | Direction::Left => "l", |
| 2639 | Direction::Right => "r", |
| 2640 | Direction::Up => "u", |
| 2641 | Direction::Down => "d", |
| 2642 | }; |
| 2643 | |
| 2644 | let output = tokio::process::Command::new("hyprctl") |
| 2645 | .args(["dispatch", "movefocus", hypr_dir]) |
| 2646 | .output() |
| 2647 | .await?; |
| 2648 | |
| 2649 | if !output.status.success() { |
| 2650 | let stderr = String::from_utf8_lossy(&output.stderr); |
| 2651 | tracing::error!("hyprctl failed: {}", stderr); |
| 2652 | } |
| 2653 | |
| 2654 | Ok(()) |
| 2655 | } |
| 2656 | |
| 2657 | fn show_config(config_path: &std::path::Path) -> anyhow::Result<()> { |
| 2658 | if config_path.exists() { |
| 2659 | let content = std::fs::read_to_string(config_path)?; |
| 2660 | println!("{}", content); |
| 2661 | } else { |
| 2662 | println!("No config file at {:?}", config_path); |
| 2663 | println!("\nDefault configuration:"); |
| 2664 | let default = Config::default(); |
| 2665 | println!("{}", toml::to_string_pretty(&default)?); |
| 2666 | } |
| 2667 | Ok(()) |
| 2668 | } |
| 2669 | |
| 2670 | async fn reload_config() -> anyhow::Result<()> { |
| 2671 | // TODO: Send reload signal to daemon |
| 2672 | println!("Config reload not implemented yet"); |
| 2673 | Ok(()) |
| 2674 | } |
| 2675 |