1 files changed, 3 insertions, 0 deletions
diff --git a/sapsocket.h b/sapsocket.h
index a2a360a..0452e9d 100644
--- a/sapsocket.h
+++ b/sapsocket.h
@@ -50,10 +50,13 @@ private:
 	const SAPChannelInfo _info;
 	bool _open;
 	QQueue<QByteArray> _in;
+	QQueue<QByteArray> _out;
 	QBasicTimer _timer;
 
 	/** Outgoing sequence number */
 	quint16 _outLastSeqNum;
+	/** Last acknowledged sent message. */
+	quint16 _outLastAck;
 
 	/** Next expected incoming sequence number */
 	quint16 _inLastSeqNum;