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
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
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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.
30 - Source IP address range: 10.0.0.1
31 - Destination IP address range: 20.0.0.0
33 - Source IP address range: 20.0.0.1
34 - Destination IP address range: 10.0.0.0
37 from trex.stl.api import *
38 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
41 class TrafficStreams(TrafficStreamsBaseClass):
45 """Initialization and setting of streams' parameters."""
47 super(TrafficStreamsBaseClass, self).__init__()
49 # IPs used in packet headers.
50 self.p1_src_ip = u"10.0.0.1"
51 self.p1_dst_ip = u"20.0.0.0"
53 self.p2_src_ip = u"20.0.0.1"
54 self.p2_dst_ip = u"10.0.0.0"
56 def define_packets(self):
57 """Defines the packets to be sent from the traffic generator.
59 Packet definition: | ETH | IP |
61 :returns: Packets to be sent from the traffic generator.
84 return base_pkt_a, base_pkt_b, None, None
88 """Register this traffic profile to T-rex.
90 Do not change this function.
92 :return: Traffic streams.
95 return TrafficStreams()