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from trex_stl_lib.api import *
class STLS1:
def create_stream (self):
base_pkt = Ether()/IP(src="2.2.0.1")/UDP(sport=12)
pad = Padding()
if len(base_pkt) < 64:
pad_len = 64 - len(base_pkt)
pad.load = '\x00' * pad_len
vm = STLVM()
vm.tuple_var(name="tuple", ip_min="173.16.1.3", ip_max="173.16.4.234", port_min=1025, port_max=1124, limit_flows = 100000)
vm.write(fv_name="tuple.ip", pkt_offset="IP.dst")
vm.fix_chksum()
vm.write(fv_name="tuple.port", pkt_offset="UDP.dport")
pkt = STLPktBuilder(pkt=base_pkt/pad, vm=vm)
return STLStream(packet=pkt, mode=STLTXCont())
def get_streams (self, direction = 0, **kwargs):
return [self.create_stream()]
# dynamic load - used for trex console or simulator
def register():
return STLS1()
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