Refactor AccessList; update it periodically in aquatic_udp glommio

aquatic_udp/src/lib/common/network.rs

@@ -1 +1,30 @@
+use std::{net::SocketAddr, time::Instant};
 
+pub use aquatic_common::{access_list::AccessList, ValidUntil};
+pub use aquatic_udp_protocol::*;
+use hashbrown::HashMap;
+
+#[derive(Default)]
+pub struct ConnectionMap(HashMap<(ConnectionId, SocketAddr), ValidUntil>);
+
+impl ConnectionMap {
+    pub fn insert(
+        &mut self,
+        connection_id: ConnectionId,
+        socket_addr: SocketAddr,
+        valid_until: ValidUntil,
+    ) {
+        self.0.insert((connection_id, socket_addr), valid_until);
+    }
+
+    pub fn contains(&mut self, connection_id: ConnectionId, socket_addr: SocketAddr) -> bool {
+        self.0.contains_key(&(connection_id, socket_addr))
+    }
+
+    pub fn clean(&mut self) {
+        let now = Instant::now();
+
+        self.0.retain(|_, v| v.0 > now);
+        self.0.shrink_to_fit();
+    }
+}