1 # Copyright (c) 2020 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
11 # https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
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
15 # with Scapy (or other GPLv2+ licensed software), you are free to choose Apache 2.
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
23 """Stream profile for T-rex traffic generator.
26 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
27 - Packet: ETH / IP / UDP
29 - Source IP address range: 20.0.0.0
30 - Destination IP address range: 12.0.0.2
31 - Source UDP port range: 1024
32 - Destination UDP port range: 1024
34 - Source IP address range: 12.0.0.2
35 - Destination IP address range: 200.0.0.0
36 - Source UDP port range: 1024
37 - Destination UDP port range: 1028
40 from trex.stl.api import *
41 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
44 class TrafficStreams(TrafficStreamsBaseClass):
48 """Initialization and setting of streams' parameters."""
50 super(TrafficStreamsBaseClass, self).__init__()
52 # IPs used in packet headers.
53 self.p1_src_ip = u"20.0.0.0"
54 self.p1_dst_ip = u"12.0.0.2"
56 self.p2_src_ip = u"12.0.0.2"
57 self.p2_dst_ip = u"200.0.0.0"
59 # UDP ports used in packet headers.
60 self.p1_src_udp_port = 1024
61 self.p1_dst_udp_port = 1024
63 self.p2_src_udp_port = 1024
64 self.p2_dst_udp_port = 1028
66 def define_packets(self):
67 """Defines the packets to be sent from the traffic generator.
69 Packet definition: | ETH | IP | UDP |
71 :returns: Packets to be sent from the traffic generator.
84 sport=self.p1_src_udp_port,
85 dport=self.p1_dst_udp_port
97 sport=self.p2_src_udp_port,
98 dport=self.p2_dst_udp_port
102 return base_pkt_a, base_pkt_b, None, None
106 """Register this traffic profile to T-rex.
108 Do not change this function.
110 :return: Traffic streams.
113 return TrafficStreams()