Python3: Migration of files under traffic-profiles/trex
[csit.git] / resources / traffic_profiles / trex / trex-sl-2n-dot1qip4asym-ip4src254.py
1 # Copyright (c) 2020 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:
5 #
6 #     http://www.apache.org/licenses/LICENSE-2.0
7 #
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.
13
14 """Stream profile for T-rex traffic generator.
15
16 Stream profile:
17  - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
18  - Direction 0 --> 1:
19    - Packet:                       ETH / IP /
20    - Source IP address range:      10.10.10.1 - 10.10.10.254
21    - Destination IP address range: 20.20.20.1
22  - Direction 1 --> 0:
23    - Packet:                       ETH / DOT1Q / IP /
24    - Source IP address range:      20.20.20.1 - 20.20.20.254
25    - Destination IP address range: 10.10.10.1
26 """
27
28 from trex.stl.api import *
29 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
30
31
32 class TrafficStreams(TrafficStreamsBaseClass):
33     """Stream profile."""
34
35     def __init__(self):
36         """Initialization and setting of streams' parameters."""
37
38         super(TrafficStreamsBaseClass, self).__init__()
39
40         # VLAN ID
41         self.vlan_id = 10
42
43         # IPs used in packet headers.
44         self.p1_src_start_ip = u"10.10.10.1"
45         self.p1_src_end_ip = u"10.10.10.254"
46         self.p1_dst_start_ip = u"20.20.20.1"
47
48         self.p2_src_start_ip = u"20.20.20.1"
49         self.p2_src_end_ip = u"20.20.20.254"
50         self.p2_dst_start_ip = u"10.10.10.1"
51
52     def define_packets(self):
53         """Defines the packets to be sent from the traffic generator.
54
55         Packet definition: | ETH | IP |
56
57         :returns: Packets to be sent from the traffic generator.
58         :rtype: tuple
59         """
60
61         # Direction 0 --> 1
62         base_pkt_a = (
63           Ether() /
64           IP(
65               src=self.p1_src_start_ip,
66               dst=self.p1_dst_start_ip,
67               proto=61
68           )
69         )
70         # Direction 1 --> 0
71         base_pkt_b = (
72           Ether() /
73           Dot1Q(
74               vlan=self.vlan_id
75           ) /
76           IP(
77               src=self.p2_src_start_ip,
78               dst=self.p2_dst_start_ip,
79               proto=61
80           )
81         )
82
83         # Direction 0 --> 1
84         vm1 = STLScVmRaw(
85             [
86                 STLVmFlowVar(
87                     name=u"src",
88                     min_value=self.p1_src_start_ip,
89                     max_value=self.p1_src_end_ip,
90                     size=4,
91                     op=u"inc"
92                 ),
93                 STLVmWrFlowVar(
94                     fv_name=u"src",
95                     pkt_offset=u"IP.src"
96                 ),
97                 STLVmFixIpv4(
98                     offset=u"IP"
99                 )
100             ]
101         )
102         # Direction 1 --> 0
103         vm2 = STLScVmRaw(
104             [
105                 STLVmFlowVar(
106                     name=u"src",
107                     min_value=self.p2_src_start_ip,
108                     max_value=self.p2_src_end_ip,
109                     size=4,
110                     op=u"inc"
111                 ),
112                 STLVmWrFlowVar(
113                     fv_name=u"src",
114                     pkt_offset=u"IP.src"
115                 ),
116                 STLVmFixIpv4(
117                     offset=u"IP"
118                 )
119             ]
120         )
121
122         return base_pkt_a, base_pkt_b, vm1, vm2
123
124
125 def register():
126     """Register this traffic profile to T-rex.
127
128     Do not change this function.
129
130     :return: Traffic streams.
131     :rtype: Object
132     """
133     return TrafficStreams()

©2016 FD.io a Linux Foundation Collaborative Project. All Rights Reserved.
Linux Foundation is a registered trademark of The Linux Foundation. Linux is a registered trademark of Linus Torvalds.
Please see our privacy policy and terms of use.