1 # Copyright (c) 2017 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
14 """Stream profile for T-rex traffic generator.
17 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
20 - Source IP address range: 10.0.0.1
21 - Destination IP address range: 20.0.0.0
23 - Source IP address range: 20.0.0.1
24 - Destination IP address range: 10.0.0.0
27 from trex_stl_lib.api import *
28 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
31 class TrafficStreams(TrafficStreamsBaseClass):
35 """Initialization and setting of streams' parameters."""
37 super(TrafficStreamsBaseClass, self).__init__()
39 # IPs used in packet headers.
40 self.p1_src_ip = '10.0.0.1'
41 self.p1_dst_ip = '20.0.0.0'
43 self.p2_src_ip = '20.0.0.1'
44 self.p2_dst_ip = '10.0.0.0'
46 def define_packets(self):
47 """Defines the packets to be sent from the traffic generator.
49 Packet definition: | ETH | IP |
51 :returns: Packets to be sent from the traffic generator.
56 base_pkt_a = (Ether() /
57 IP(src=self.p1_src_ip, dst=self.p1_dst_ip, proto=61))
59 base_pkt_b = (Ether() /
60 IP(src=self.p2_src_ip, dst=self.p2_dst_ip, proto=61))
62 return base_pkt_a, base_pkt_b, None, None
66 """Register this traffic profile to T-rex.
68 Do not change this function.
70 :return: Traffic streams.
73 return TrafficStreams()