#!/usr/bin/awk -f


BEGIN {
	start_time = 26
	stop_time = 99
	
	# Uplink
	src_ip_port_ul = "4194305.0"
	dest_ip_port_ul = "4194304.0"
	packettype_ul = "cbr"

	# Downlink
	src_ip_port_dl = "4194304.1" ;#"0.0.0.1"
	dest_ip_port_dl =  "4194305.1" ;#"1.0.1.1"
	packettype_dl = "cbr"

	#init var
	# Uplink
	packetcounter_ul = 0
	recv_bytes_ul = 0
	# Downlink
	packetcounter_dl = 0
	recv_bytes_dl = 0
}

{

	# Uplink 
	# r -t 25.017077960 -Hs 0 -Hd 4194304 -Ni 0 -Nx 500.00 -Ny 500.00 -Nz 0.00 -Ne -1.000000 -Nl AGT -Nw --- -Ma 0 -Md 1000000 -Ms 8 -Mt 0 
	# -Is 4194305.0 -Id 4194304.0 -	It cbr -Il 1520 -If 0 -Ii 7 -Iv 32 -Pn cbr -Pi 0 -Pf 0 -Po 0 
	# Take only packets into account within transmission period
	if (($3 <= stop_time) && ($3 >= start_time) ){	

		# Count packets and bytes for UPLINK
		if ( ($1 == "r")  && ($19 == "AGT") && ($31 == src_ip_port_ul) && ($33 == dest_ip_port_ul) && ($35 == packettype_dl)){
			# Packetcounter				
			packetcounter_ul++
			# Datacounter				
			recv_bytes_ul=recv_bytes_ul + $37 -20
		}
	}
		
	# Downlink
	# r -t 25.504000981 -Hs 1 -Hd 4194305 -Ni 1 -Nx 700.00 -Ny 500.00 -Nz 0.00 -Ne -1.000000 -Nl AGT -Nw --- -Ma 0 -Md 0 -Ms 8 -Mt 0 
	# -Is 4194304.1 -Id 4194305.1 -It cbr -Il 1520 -If 0 -Ii 8 -Iv 32 -Pn cbr -Pi 0 -Pf 0 -Po 0 
	if (($3 <= stop_time) && ( $3 >= start_time) ){

		# Count packets and bytes for DOWNLINK
		if ( ($1 == "r") && ($19 == "AGT") && ($31 == src_ip_port_dl) && ($33 == dest_ip_port_dl) && ($35 == packettype_dl) ){
			# Packetcounter				
			packetcounter_dl++
			# Datacounter				
			recv_bytes_dl=recv_bytes_dl + $37 -20
		}
	}

}

END {
	# Calculation of throughput
	# Uplink
	if (recv_bytes_ul==0){
		bandwidth_ul = 0
	} else {
		bandwidth_ul = 10^-6*8*recv_bytes_ul/(stop_time-start_time)
	}

	# Downlink
	if (recv_bytes_dl==0){
		bandwidth_dl = 0
	} else {
		bandwidth_dl = 10^-6*8*recv_bytes_dl/(stop_time-start_time)
	}


	# Output of the results
	printf("Start:               %20d\n",start_time)
	printf("Stop:                %20d\n\n",stop_time) 

	printf("Uplink \n\n")
	printf("Statistic for %s-flow from %s to %s:\n\n",packettype_ul,src_ip_port_ul,dest_ip_port_ul)
	printf("Received packets:   %20d [%15d Bytes]\n",packetcounter_ul,recv_bytes_ul)
	printf("Bandwidth:                                         %6.3f Mbit/s\n",bandwidth_ul)
	printf("\n\n")


	printf("Downlink \n\n")
	printf("Statistic for %s-flow from %s to %s:\n\n",packettype_dl,src_ip_port_dl,dest_ip_port_dl)
	printf("Received packets:   %20d [%15d Bytes]\n",packetcounter_dl,recv_bytes_dl)
	printf("Bandwidth:                                        %6.3f Mbit/s\n",bandwidth_dl)
	printf("\n\n")


	printf("Results %6.6f %6.6f \n", bandwidth_ul, bandwidth_dl);

}