Start rewrite, get layers working

unshell-rs-lib/src/networkers/traits.rs

@@ -0,0 +1,50 @@
+use std::net::SocketAddr;
+use std::ops::Deref;
+use std::ops::DerefMut;
+
+use crate::Error;
+
+// This is the lowset-level data transmission type
+pub trait Connection: Send {
+    fn get_info(&self) -> String;
+    fn is_alive(&self) -> bool;
+
+    fn read(&mut self) -> Result<String, Error>;
+    fn write(&mut self, data: &str) -> Result<(), Error>;
+}
+
+// Trait for protocol layers that can be initialized
+pub trait ProtocolLayer<C: Connection>: Connection {
+    fn new(inner: C) -> Result<Self, Error>
+    where
+        Self: Sized;
+    fn initialize_client(&mut self) -> Result<(), Error> {
+        Ok(())
+    }
+    fn initialize_server(&mut self) -> Result<(), Error> {
+        Ok(())
+    }
+}
+
+// impl Sized for dyn Connection {}
+
+// pub trait AsyncConnection<C>
+// where
+//     C: Connection,
+// {
+//     fn as_async<T: Serialize + DeserializeOwned + Send + 'static>(
+//         connection: C,
+//     ) -> (Sender<T>, Receiver<T>);
+// }
+
+pub trait ServerTrait<C: Connection> {
+    fn get_info(&self) -> String;
+    fn accept(&self) -> Result<C, Error>;
+    fn bind(address: &SocketAddr) -> Result<Self, Error>
+    where
+        Self: Sized;
+}
+
+pub trait ClientTrait<C: Connection + Sized> {
+    fn connect(address: &SocketAddr) -> Result<C, Error>;
+}