Updating clock upon reception of data packet.

src/prrt/processes/dataReceiver.c

@@ -109,11 +109,11 @@ void *receive_data_loop(void *ptr)
 
         prrtPacketType_t packetType = PrrtPacket_type(packet);
         if(packetType == PACKET_TYPE_DATA) {
-            // TODO: make something useful with RTT approximation
             PrrtPacketDataPayload *payload = packet->payload;
-            debug("RTT: %u, Packet Timeout: %u", payload->groupRTT_us, payload->packetTimeout_us);
 
-            sock_ptr->lastSentTimestamp = PrrtPacket_get_data_timestamp(packet);
+            prrtTimestamp_t dataTimestamp = payload->timestamp;
+            sock_ptr->lastSentTimestamp = dataTimestamp;
+            PrrtClock_update(sock_ptr->clock, dataTimestamp, payload->groupRTT_us);
 
             check(send_feedback(sock_ptr, remote), "Sending feedback failed.");