+++ /dev/null
-# Copyright (c) 2020 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Stream profile for T-rex traffic generator.
-
-Stream profile:
- - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
- - Packet: ETH / IP / UDP
- - Direction 0 --> 1:
- - Source IP address range: 192.168.0.0 - 192.168.3.255
- - Destination IP address range: 20.0.0.0
- - Source UDP port range: 1024 - 1086
- - Destination UDP port range: 1024
- - Direction 1 --> 0:
- - Source IP address range: 20.0.0.0
- - Destination IP address range: 68.142.68.0
- - Source UDP port range: 1024
- - Destination UDP port range: 1024 - 65535
-"""
-
-from trex.stl.api import *
-from profile_trex_stateless_base_class import TrafficStreamsBaseClass
-
-
-class TrafficStreams(TrafficStreamsBaseClass):
- """Stream profile."""
-
- def __init__(self):
- """Initialization and setting of streams' parameters."""
-
- super(TrafficStreamsBaseClass, self).__init__()
-
- # IPs used in packet headers.
- self.p1_src_start_ip = u"192.168.0.0"
- self.p1_src_end_ip = u"192.168.3.255"
- self.p1_dst_start_ip = u"20.0.0.0"
- self.p1_dst_end_ip = u"20.0.0.0"
-
- self.p2_src_start_ip = u"20.0.0.0"
- self.p2_src_end_ip = u"20.0.0.0"
- self.p2_dst_start_ip = u"68.142.68.0"
- self.p2_dst_end_ip = u"68.142.68.0"
-
- # UDP ports used in packet headers.
- self.p1_src_start_udp_port = 1024
- self.p1_src_end_udp_port = 1086
- self.p1_dst_start_udp_port = 1024
- self.p1_dst_end_udp_port = 1024
-
- self.p2_src_start_udp_port = 1024
- self.p2_src_end_udp_port = 1024
- self.p2_dst_start_udp_port = 1024
- self.p2_dst_end_udp_port = 65535
-
- def define_packets(self):
- """Defines the packets to be sent from the traffic generator.
-
- Packet definition: | ETH | IP | UDP |
-
- :returns: Packets to be sent from the traffic generator.
- :rtype: tuple
- """
-
- # Direction 0 --> 1
- base_pkt_a = (
- Ether() /
- IP(
- src=self.p1_src_start_ip,
- dst=self.p1_dst_start_ip,
- proto=17
- ) /
- UDP(
- sport=self.p1_src_start_udp_port,
- dport=self.p1_dst_start_udp_port
- )
- )
- # Direction 1 --> 0
- base_pkt_b = (
- Ether() /
- IP(
- src=self.p2_src_start_ip,
- dst=self.p2_dst_start_ip,
- proto=17
- ) /
- UDP(
- sport=self.p2_src_start_udp_port,
- dport=self.p2_dst_start_udp_port
- )
- )
-
- # Direction 0 --> 1
- vm1 = STLVM()
- vm1.var(name="sIP",
- min_value=self.p1_src_start_ip,
- max_value=self.p1_src_end_ip,
- size=4,
- op="inc",
- next_var="sport")
- vm1.var(name="sport",
- min_value=self.p1_src_start_udp_port,
- max_value=self.p1_src_end_udp_port,
- size=2,
- op="inc")
- vm1.var(name="dIP",
- min_value=self.p1_dst_start_ip,
- max_value=self.p1_dst_end_ip,
- size=4,
- op="inc")
- vm1.var(name="dport",
- min_value=self.p1_dst_start_udp_port,
- max_value=self.p1_dst_end_udp_port,
- size=2,
- op="inc")
- vm1.write(fv_name="sIP", pkt_offset="IP.src")
- vm1.write(fv_name="sport", pkt_offset="UDP.sport")
- vm1.write(fv_name="dIP", pkt_offset="IP.dst")
- vm1.write(fv_name="dport", pkt_offset="UDP.dport")
- vm1.fix_chksum(offset='IP')
- # Direction 0 --> 1
- vm2 = STLVM()
- vm2.var(name="sIP",
- min_value=self.p2_src_start_ip,
- max_value=self.p2_src_end_ip,
- size=4,
- op="inc",
- next_var="sport")
- vm2.var(name="sport",
- min_value=self.p2_src_start_udp_port,
- max_value=self.p2_src_end_udp_port,
- size=2,
- op="inc")
- vm2.var(name="dIP",
- min_value=self.p2_dst_start_ip,
- max_value=self.p2_dst_end_ip,
- size=4,
- op="inc",
- next_var="dport")
- vm2.var(name="dport",
- min_value=self.p2_dst_start_udp_port,
- max_value=self.p2_dst_end_udp_port,
- size=2,
- op="inc")
- vm2.write(fv_name="sIP", pkt_offset="IP.src")
- vm2.write(fv_name="sport", pkt_offset="UDP.sport")
- vm2.write(fv_name="dIP", pkt_offset="IP.dst")
- vm2.write(fv_name="dport", pkt_offset="UDP.dport")
- vm2.fix_chksum(offset='IP')
-
- return base_pkt_a, base_pkt_b, vm1, vm2
-
-def register():
- """Register this traffic profile to T-rex.
-
- Do not change this function.
-
- :return: Traffic streams.
- :rtype: Object
- """
- return TrafficStreams()
Code Review / csit.git / blobdiff