modulized everthing

WatcherAgent/src/hardware/memory.rs

@@ -0,0 +1,25 @@
+use anyhow::Result;
+use sysinfo::System;
+
+#[derive(Debug)]
+pub struct MemoryInfo {
+    pub total: Option<f64>,
+    pub used: Option<f64>,
+    pub free: Option<f64>,
+}
+
+pub async fn get_memory_info() -> Result<MemoryInfo> {
+    let mut sys = System::new();
+    sys.refresh_memory();
+
+    Ok(MemoryInfo {
+        total: Some(sys.total_memory() as f64),
+        used: Some(sys.used_memory() as f64),
+        free: Some(sys.free_memory() as f64),
+    })
+}
+
+pub fn get_memory_usage(sys: &mut System) -> f64 {
+    sys.refresh_memory();
+    (sys.used_memory() as f64 / sys.total_memory() as f64) * 100.0
+}