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from trex_stl_lib.api import *
class STLS1(object):
'''
Generalization of udp_1pkt_simple, can specify number of streams and packet length
'''
def create_stream (self, packet_len, stream_count):
base_pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)
base_pkt_len = len(base_pkt)
base_pkt /= 'x' * max(0, packet_len - base_pkt_len)
packets = []
for i in range(stream_count):
packets.append(STLStream(
packet = STLPktBuilder(pkt = base_pkt),
mode = STLTXCont()
))
return packets
def get_streams (self, direction = 0, packet_len = 64, stream_count = 1, **kwargs):
# create 1 stream
return self.create_stream(packet_len - 4, stream_count)
# dynamic load - used for trex console or simulator
def register():
return STLS1()
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