fix ErrShortBuffer error by increasing the temporary buffer size

Refs webrtc-rs/sctp#28

Author: melekes

transports/webrtc/src/transport.rs

@@ -502,7 +502,11 @@ async fn do_dial(
     //     .await
     //     .map_err(|e| Error::WebRTC(e.into()))?;
 
-    Ok((peer_id, Connection::new(peer_connection).await))
+    let mut c = Connection::new(peer_connection).await;
+    // XXX: default buffer size is too small to fit some messages. Possibly remove once
+    // https://github.com/webrtc-rs/sctp/issues/28 is fixed.
+    c.set_data_channels_read_buf_capacity(8192 * 10);
+    Ok((peer_id, c))
 }
 
 /// Creates a [`Multiaddr`] from the given IP address and port number.

transports/webrtc/src/upgrade.rs

@@ -160,5 +160,9 @@ pub async fn webrtc(
     //     .await
     //     .map_err(|e| Error::WebRTC(e.into()))?;
 
-    Ok((peer_id, Connection::new(peer_connection).await))
+    let mut c = Connection::new(peer_connection).await;
+    // XXX: default buffer size is too small to fit some messages. Possibly remove once
+    // https://github.com/webrtc-rs/sctp/issues/28 is fixed.
+    c.set_data_channels_read_buf_capacity(8192 * 10);
+    Ok((peer_id, c))
 }