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path: root/scripts/stl/udp_1pkt_simple.py
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from trex_stl_lib.api import *

class STLS1(object):

    def create_stream (self, packet_len, packet_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(packet_count):
            packets.append(STLStream(
                packet = STLPktBuilder(pkt = base_pkt),
                mode = STLTXCont()
                ))
        return packets

    def get_streams (self, direction = 0, packet_len = 64, packet_count = 1, **kwargs):
        # create 1 stream 
        return self.create_stream(packet_len - 4, packet_count)


# dynamic load - used for trex console or simulator
def register():
    return STLS1()