feat(wasm, native, h3): make wasm, native and h3 use unified interface

mtp-webserver/src/transport.rs

@@ -57,14 +57,14 @@ impl TransportSendStream for H3TransportSender {
         self.stream
             .write_all(buf)
             .await
-            .map_err(|_| CommunicationError::StreamError)?;
+            .map_err(|_| CommunicationError::DeliveryUnknown)?;
         // Control/authentication frames use a persistent stream. h3 keeps
         // those writes buffered until flushed; without this the peer can wait
         // for the challenge while the server waits for its proof.
         self.stream
             .flush()
             .await
-            .map_err(|_| CommunicationError::StreamError)
+            .map_err(|_| CommunicationError::DeliveryUnknown)
     }
 
     async fn finish(&mut self) -> Result<(), CommunicationError> {
@@ -73,6 +73,11 @@ impl TransportSendStream for H3TransportSender {
             .await
             .map_err(|_| CommunicationError::StreamError)
     }
+
+    fn reset(&mut self, code: u32) -> Result<(), CommunicationError> {
+        h3::quic::SendStream::reset(&mut self.stream, code as u64);
+        Ok(())
+    }
 }
 
 #[async_trait::async_trait]
@@ -140,6 +145,11 @@ impl TransportRecvStream for H3TransportReceiver {
             }
         }
     }
+
+    fn stop(mut self, code: u32) -> Result<(), CommunicationError> {
+        h3::quic::RecvStream::stop_sending(&mut self.stream, code as u64);
+        Ok(())
+    }
 }
 
 impl tokio::io::AsyncWrite for H3TransportSender {