BEGIN {
	highest_packet_id=0;
}
{
	Event=$1;	Time=$2;	Tx=$3;
	Rx=$4;		Packet=$12;
	Type=$5;	Bytes=$8;

	if(Packet>highest_packet_id)
		highest_packet_id=Packet;

	if(Type=="cbr") {
		if (Event=="+" && ((Tx=="0" && Rx=="2") || (Tx=="1" && Rx=="2"))) {
			start_time[Packet]=Time;
		}
		if (Event=="r" && Tx=="2" && Rx=="3") {
			end_time[Packet]=Time;
		}
		if (Event=="d") {
			end_time[Packet]=-1;
			dropped_pckts++;
		}

	}
}
END {
	for(packet_id=0;packet_id<=highest_packet_id;packet_id++) {
		if (start_time[packet_id]<end_time[packet_id]) {
#			printf("%f %f\n",start_time[packet_id],end_time[packet_id]-start_time[packet_id]);
			delay[packet_id]=end_time[packet_id]-start_time[packet_id];
			acc_delay=acc_delay+delay[packet_id];
			k++;
		}
	}

	printf("Mean Delay = %f\n",acc_delay/k);
	printf("Successfully transmitted packets = %f\n",k);
	printf("Dropped packets = %f\n",dropped_pckts);
}