public void close() {
    if (peerNetData != null) {
      conn.getBufferPool().releaseReceiveBuffer(peerNetData);
    }
  }
Block until you can read a message. Returns null if the message was a message chunk.

@return the message, or null if we only received a chunk of the message
geode-core/src/main/java/org/apache/geode/internal/tcp/MsgReader.java