BEGIN {
	highest_packet_id=0;
}
{
	Event=$1;	Time=$2;	Tx=$3;
	Rx=$4;		Packet=$12;
	Type=$5;	Bytes=$6;
	Initial_Tx=$9;	Initial_Rx=$10;

	if(Packet>highest_packet_id)
		highest_packet_id=Packet;

	if(Type=="tcp" && Packet>"100") {
		if (Event=="+" && ((Tx=="0" && Rx=="2") || (Tx=="1" && Rx=="2")) ) {
			start_time[Packet]=Time;
		}
		if (Event=="r" && ((Tx=="3" && Rx=="4") || (Tx=="3" && Rx=="5")) ) {
			end_time[Packet]=Time;
		}
		if (Event=="d" && Initial_Tx=="0.0" && Initial_Rx=="4.0") {
			end_time[Packet]=-1;
			dropped_pckts_04++;
		}
		if (Event=="d" && Initial_Tx=="1.0" && Initial_Rx=="5.0") {
			end_time[Packet]=-1;
			dropped_pckts_15++;
		}

	}
}
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 0 -> 4 = %f\n",dropped_pckts_04);
	printf("Dropped packets 1 -> 5 = %f\n",dropped_pckts_15);
}