utils: move to a mod

easytier/src/dns/utils/dirty.rs

@@ -0,0 +1,30 @@
+use derivative::Derivative;
+use derive_more::{Deref, DerefMut};
+use std::sync::atomic::{AtomicBool, Ordering};
+use tokio::sync::Notify;
+
+#[derive(Debug, Default, Deref, DerefMut)]
+pub struct DirtyState<T> {
+    #[deref]
+    #[deref_mut]
+    flags: T,
+    pub notify: Notify,
+}
+
+#[derive(Derivative, Debug)]
+#[derivative(Default)]
+pub struct DirtyFlag(#[derivative(Default(value = "AtomicBool::new(true)"))] AtomicBool);
+
+impl DirtyFlag {
+    pub fn new(value: bool) -> Self {
+        Self(AtomicBool::new(value))
+    }
+
+    pub fn mark(&self) {
+        self.0.store(true, Ordering::Release);
+    }
+
+    pub fn reset(&self) -> bool {
+        self.0.swap(false, Ordering::Acquire)
+    }
+}