1 # Copyright (c) 2021 Cisco and/or its affiliates.
3 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
5 # Licensed under the Apache License 2.0 or
6 # GNU General Public License v2.0 or later; you may not use this file
7 # except in compliance with one of these Licenses. You
8 # may obtain a copy of the Licenses at:
10 # http://www.apache.org/licenses/LICENSE-2.0
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13 # Note: If this file is linked with Scapy, which is GPLv2+, your use of it
14 # must be under GPLv2+. If at any point in the future it is no longer linked
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18 # Unless required by applicable law or agreed to in writing, software
19 # distributed under the License is distributed on an "AS IS" BASIS,
20 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 # See the License for the specific language governing permissions and
22 # limitations under the License.
24 """Stream profile for T-rex traffic generator.
27 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
28 - Packet: ETH / IP / UDP
30 - Source IP address range: 20.0.0.0
31 - Destination IP address range: 12.0.0.2
32 - Source UDP port range: 1024
33 - Destination UDP port range: 1024
35 - Source IP address range: 12.0.0.2
36 - Destination IP address range: 200.0.0.0
37 - Source UDP port range: 1024
38 - Destination UDP port range: 1028
41 from trex.stl.api import *
42 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
45 class TrafficStreams(TrafficStreamsBaseClass):
49 """Initialization and setting of streams' parameters."""
51 super(TrafficStreamsBaseClass, self).__init__()
53 # IPs used in packet headers.
54 self.p1_src_ip = u"20.0.0.0"
55 self.p1_dst_ip = u"12.0.0.2"
57 self.p2_src_ip = u"12.0.0.2"
58 self.p2_dst_ip = u"200.0.0.0"
60 # UDP ports used in packet headers.
61 self.p1_src_udp_port = 1024
62 self.p1_dst_udp_port = 1024
64 self.p2_src_udp_port = 1024
65 self.p2_dst_udp_port = 1028
67 def define_packets(self):
68 """Defines the packets to be sent from the traffic generator.
70 Packet definition: | ETH | IP | UDP |
72 :returns: Packets to be sent from the traffic generator.
85 sport=self.p1_src_udp_port,
86 dport=self.p1_dst_udp_port
98 sport=self.p2_src_udp_port,
99 dport=self.p2_dst_udp_port
103 return base_pkt_a, base_pkt_b, None, None
107 """Register this traffic profile to T-rex.
109 Do not change this function.
111 :return: Traffic streams.
114 return TrafficStreams()