core: init daemon mode for persistent operations

src/daemon.rs

@@ -0,0 +1,61 @@
+use crate::config::AppConfig;
+use crate::engine;
+use crate::monitor;
+use std::sync::Arc;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::time::{Duration, Instant};
+
+/// Run the daemon in foreground mode
+pub fn run_background(config: AppConfig) -> Result<(), Box<dyn std::error::Error>> {
+    println!("Starting superfreq daemon in foreground mode...");
+
+    // Create a flag that will be set to true when a signal is received
+    let running = Arc::new(AtomicBool::new(true));
+    let r = running.clone();
+
+    // Set up signal handlers
+    ctrlc::set_handler(move || {
+        println!("Received shutdown signal, exiting...");
+        r.store(false, Ordering::SeqCst);
+    })
+    .expect("Error setting Ctrl-C handler");
+
+    println!(
+        "Daemon initialized with poll interval: {}s",
+        config.poll_interval_sec
+    );
+
+    // Main loop
+    while running.load(Ordering::SeqCst) {
+        let start_time = Instant::now();
+
+        match monitor::collect_system_report(&config) {
+            Ok(report) => {
+                println!("Collected system report, applying settings...");
+                match engine::determine_and_apply_settings(&report, &config, None) {
+                    Ok(()) => {
+                        println!("Successfully applied system settings");
+                    }
+                    Err(e) => {
+                        eprintln!("Error applying system settings: {}", e);
+                    }
+                }
+            }
+            Err(e) => {
+                eprintln!("Error collecting system report: {}", e);
+            }
+        }
+
+        // Sleep for the remaining time in the poll interval
+        let elapsed = start_time.elapsed();
+        let poll_duration = Duration::from_secs(config.poll_interval_sec);
+        if elapsed < poll_duration {
+            let sleep_time = poll_duration - elapsed;
+            println!("Sleeping for {}s until next cycle", sleep_time.as_secs());
+            std::thread::sleep(sleep_time);
+        }
+    }
+
+    println!("Daemon stopped");
+    Ok(())
+}