remove points older than 60sec from the MSList when maximum capacity is reached to reduce list size

src/voip/qosanalyzer.c

@@ -233,6 +233,9 @@ static bool_t stateful_rt_prop_increased(MSStatefulQosAnalyser *obj){
 	return FALSE;
 }
 
+static int earlier_than(const rtcpstatspoint_t *p, const time_t * now){
+	return p->timestamp > *now;
+}
 static int sort_points(const rtcpstatspoint_t *p1, const rtcpstatspoint_t *p2){
 	return p1->bandwidth > p2->bandwidth;
 }
@@ -268,18 +271,22 @@ static bool_t stateful_analyser_process_rtcp(MSQosAnalyser *objbase, mblk_t *rtc
 				P(YELLOW "SKIPPED first MIN burst %d: %f %f\n", obj->curindex-1, rtp_session_get_send_bandwidth(obj->session)/1000.0, cur->lost_percentage/100.0);
 			}else{
 				obj->latest=ms_new0(rtcpstatspoint_t, 1);
+				obj->latest->timestamp=time(0);
 				obj->latest->bandwidth=rtp_session_get_send_bandwidth(obj->session)/1000.0;
-				P(RED "%f vs %f\n", (obj->session->rtp.stats.sent - obj->last_sent_count)*0.01/(time(0) - obj->last_timestamp),
-					rtp_session_get_send_bandwidth(obj->session)/1000.0);
-				/*obj->latest->bandwidth=(obj->session->rtp.stats.sent - obj->last_sent_count)*.01/(time(0) - obj->last_timestamp);*/
 				obj->latest->loss_percent=cur->lost_percentage/100.0;
 				obj->latest->rtt=cur->rt_prop;
-				obj->last_timestamp = time(0);
-				obj->last_sent_count = obj->session->rtp.stats.sent;
 				obj->rtcpstatspoint = ms_list_insert_sorted(obj->rtcpstatspoint, obj->latest, (MSCompareFunc)sort_points);
 
 				P(YELLOW "one more %d: %f %f\n", obj->curindex-1, obj->latest->bandwidth, obj->latest->loss_percent);
 			}
+
+			if (ms_list_size(obj->rtcpstatspoint) > ESTIM_HISTORY){
+				P(RED "Reached list maximum capacity (count=%d)", ms_list_size(obj->rtcpstatspoint));
+				/*clean everything which occured 60sec or more ago*/
+				time_t now = time(0) - 60;
+				obj->rtcpstatspoint = ms_list_remove_custom(obj->rtcpstatspoint, (MSCompareFunc)earlier_than, &now);
+				P(RED "--> Cleaned list (count=%d)\n", ms_list_size(obj->rtcpstatspoint));
+			}
 		}
 	}
 	return rb!=NULL;

src/voip/qosanalyzer.h

@@ -30,6 +30,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 extern "C" {
 #endif
 	#define STATS_HISTORY 3
+	#define ESTIM_HISTORY 30
 	static const float unacceptable_loss_rate=10;
 	static const int big_jitter=10; /*ms */
 	static const float significant_delay=0.2; /*seconds*/
@@ -52,7 +53,7 @@ extern "C" {
 	}MSSimpleQosAnalyser;
 
 	typedef struct rtcpstatspoint{
-		uint64_t timestamp;
+		time_t timestamp;
 		double bandwidth;
 		double loss_percent;
 		double rtt;
@@ -73,8 +74,6 @@ extern "C" {
 		rtcpstatspoint_t *latest;
 		double network_loss_rate;
 		double congestion_bandwidth;
-		uint64_t last_sent_count;
-		uint64_t last_timestamp;
 	}MSStatefulQosAnalyser;
 #ifdef __cplusplus
 }