from trex_stl_lib.api import * class STLS1(object): def __init__ (self): self.fsize =64; # the size of the packet def create_stream (self): # create a base packet and pad it to size size = self.fsize - 4; # no FCS base_pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025) base_pkt1 = Ether()/IP(src="16.0.0.2",dst="48.0.0.1")/UDP(dport=12,sport=1025) base_pkt2 = Ether()/IP(src="16.0.0.3",dst="48.0.0.1")/UDP(dport=12,sport=1025) pad = max(0, size - len(base_pkt)) * 'x' return STLProfile( [ STLStream( isg = 1.0, # star in delay in usec packet = STLPktBuilder(pkt = base_pkt/pad), mode = STLTXCont( pps = 10), ), STLStream( isg = 2.0, packet = STLPktBuilder(pkt = base_pkt1/pad), mode = STLTXCont( pps = 20), ), STLStream( isg = 3.0, packet = STLPktBuilder(pkt = base_pkt2/pad), mode = STLTXCont( pps = 30) ) ]).get_streams() def get_streams (self, direction = 0, **kwargs): # create 1 stream return self.create_stream() # dynamic load - used for trex console or simulator def register(): return STLS1()