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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 base packet and pad it to size
size = self.fsize - 4; # HW will add 4 bytes ethernet 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, # start 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()
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