@Override
        public void processMessage(byte[] message, int numBytes, OutputStream os) {
            try {
                os.write(message, 0, numBytes);
                os.flush();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
A {@link MessageProcessor} that simply echos back the received message to the client.
benchmark-base/src/main/java/org/conscrypt/ServerEndpoint.java