first commit

linux-hello-daemon/src/main.rs

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+//! Linux Hello Daemon
+//!
+//! Main daemon process for face authentication. Handles camera capture,
+//! face detection, anti-spoofing checks, and template matching.
+
+mod camera;
+mod detection;
+
+use linux_hello_common::{Config, Result};
+use tracing::{info, Level};
+use tracing_subscriber::FmtSubscriber;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Initialize logging
+    let subscriber = FmtSubscriber::builder()
+        .with_max_level(Level::INFO)
+        .with_target(false)
+        .init();
+
+    info!("Linux Hello Daemon starting...");
+
+    // Load configuration
+    let config = Config::load_or_default();
+    info!("Configuration loaded");
+    info!("  Camera device: {}", config.camera.device);
+    info!("  Detection model: {}", config.detection.model);
+    info!("  Anti-spoofing enabled: {}", config.anti_spoofing.enabled);
+
+    // Initialize camera
+    #[cfg(target_os = "linux")]
+    {
+        match camera::enumerate_cameras() {
+            Ok(cameras) => {
+                info!("Found {} camera(s)", cameras.len());
+                for cam in &cameras {
+                    info!("  - {}", cam);
+                }
+            }
+            Err(e) => {
+                tracing::warn!("Camera enumeration failed: {}", e);
+            }
+        }
+    }
+
+    #[cfg(not(target_os = "linux"))]
+    {
+        info!("Camera functions not available on this platform");
+        info!("V4L2 camera support requires Linux");
+    }
+
+    // Initialize face detection
+    info!("Face detection module initialized (placeholder)");
+
+    info!("Linux Hello Daemon ready");
+
+    // TODO: Start D-Bus service
+    // TODO: Listen for authentication requests via Unix socket
+    // TODO: Handle PAM communication
+
+    // Keep running
+    tokio::signal::ctrl_c().await.ok();
+    info!("Linux Hello Daemon shutting down");
+
+    Ok(())
+}