AODV协议的仿真分析：时延与丢包率影响研究

# usage: awk -v step=<timestep> -v delayfile=<yourDelayFile> -v dropfile=<yourDropRatiofile> -f analys.awk  <yoursoure>
# eg: awk -v step=5.0  -v delayfile=aodv-delay -v dropfile=aodv-drop -f analys.awk aodv.tr
BEGIN { 
highest_packet_id = 0;
} 
$0 {
if($7 == "cbr") {
action = $1;
time = $2;
layer = $4;
packet_id = $6; 
#当前节点
crtlgth = length($3);
crtlgth -= 2;
crt_node_id = substr($3,2,crtlgth); 
#源节点
srclgth = index($14, ":");
srclgth -= 2;
src_node_id = substr($14,2,srclgth);
#目标节点
dstlgth = index($15, ":");
dstlgth -= 1;
dst_node_id = substr($15,1,dstlgth);
if ( packet_id > highest_packet_id )
highest_packet_id = packet_id;
if ( start_time[packet_id] == 0 )  start_time[packet_id] = time;
if ( layer == "AGT" && crt_node_id == dst_node_id && action == "r" ) {
end_time[packet_id] = time;
}
else {