Async

src/network/network_trait.rs

@@ -1,5 +1,33 @@
+use core::fmt::Error;
+
+use core::future::Future;
+use crate::packet::mqtt_packet::Packet;
+
+pub enum NetworkError {
+    Connection,
+    Unknown,
+}
+
+
 
 pub trait Network {
-    fn send(buffer: & mut [u8]);
-    fn receive(buffer: & mut [u8]);
-}
+    type ConnectionFuture<'m>: Future<Output = Result<(), NetworkError>>
+    where
+    Self: 'm;
+
+    type WriteFuture<'m>: Future<Output = Result<(), NetworkError>>
+    where
+        Self: 'm;
+
+    type ReadFuture<'m>: Future<Output = Result<usize, NetworkError>>
+    where
+        Self: 'm;
+
+    fn new(ip: [u8; 4], port: u16) -> Self;
+
+    fn create_connection(& mut self) -> Self::ConnectionFuture<'m>;
+
+    fn send(& mut self, buffer: & mut [u8], len: usize) -> Self::WriteFuture<'m>;
+
+    fn receive(& mut self, buffer: & mut [u8]) -> Self::ReadFuture<'m>;
+}