udp: add io-uring implementation

aquatic_udp/src/lib/other/common.rs

@@ -0,0 +1,30 @@
+use aquatic_common::access_list::AccessListArcSwap;
+use parking_lot::Mutex;
+use std::sync::{atomic::AtomicUsize, Arc};
+
+use crate::common::*;
+
+#[derive(Default)]
+pub struct Statistics {
+    pub requests_received: AtomicUsize,
+    pub responses_sent: AtomicUsize,
+    pub bytes_received: AtomicUsize,
+    pub bytes_sent: AtomicUsize,
+}
+
+#[derive(Clone)]
+pub struct State {
+    pub access_list: Arc<AccessListArcSwap>,
+    pub torrents: Arc<Mutex<TorrentMaps>>,
+    pub statistics: Arc<Statistics>,
+}
+
+impl Default for State {
+    fn default() -> Self {
+        Self {
+            access_list: Arc::new(AccessListArcSwap::default()),
+            torrents: Arc::new(Mutex::new(TorrentMaps::default())),
+            statistics: Arc::new(Statistics::default()),
+        }
+    }
+}