| 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() |
| |
| |
| |