aquatic_http: add Connection methods, enabling making 'inner' private

aquatic_http/src/lib/network/connection.rs

@@ -191,7 +191,7 @@ impl <'a>TlsHandshakeMachine {
 }
 
 
-pub enum ConnectionInner {
+enum ConnectionInner {
     Established(EstablishedConnection),
     InProgress(TlsHandshakeMachine),
 }
@@ -199,7 +199,7 @@ pub enum ConnectionInner {
 
 pub struct Connection {
     pub valid_until: ValidUntil,
-    pub inner: ConnectionInner,
+    inner: ConnectionInner,
 }
 
 
@@ -223,6 +223,26 @@ impl Connection {
         }
     }
 
+    pub fn from_established(
+        valid_until: ValidUntil,
+        established: EstablishedConnection,
+    ) -> Self {
+        Self {
+            valid_until,
+            inner: ConnectionInner::Established(established)
+        }
+    }
+
+    pub fn from_in_progress(
+        valid_until: ValidUntil,
+        machine: TlsHandshakeMachine,
+    ) -> Self {
+        Self {
+            valid_until,
+            inner: ConnectionInner::InProgress(machine)
+        }
+    }
+
     pub fn get_established(&mut self) -> Option<&mut EstablishedConnection> {
         if let ConnectionInner::Established(ref mut established) = self.inner {
             Some(established)

aquatic_http/src/lib/network/mod.rs

@@ -252,18 +252,18 @@ pub fn run_handshakes_and_read_requests(
         {
             match handshake_machine.establish_tls(){
                 Ok(established) => {
-                    let connection = Connection {
+                    let connection = Connection::from_established(
                         valid_until,
-                        inner: ConnectionInner::Established(established)
-                    };
+                        established
+                    );
 
                     connections.insert(poll_token, connection);
                 },
                 Err(TlsHandshakeMachineError::WouldBlock(machine)) => {
-                    let connection = Connection {
+                    let connection = Connection::from_in_progress(
                         valid_until,
-                        inner: ConnectionInner::InProgress(machine)
-                    };
+                        machine
+                    );
 
                     connections.insert(poll_token, connection);