private static void readGoAwayFrame( ChannelHandlerContext ctx, ByteBuf payload, Http2FrameObserver observer) throws Http2Exception { int lastStreamId = readUnsignedInt(payload); long errorCode = payload.readUnsignedInt(); ByteBuf debugData = payload.readSlice(payload.readableBytes()); observer.onGoAwayRead(ctx, lastStreamId, errorCode, debugData); }