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# Copyright (c) 2018 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.
"""ASTF profile for TRex traffic generator.
ASTF profile:
- Client side traffic in directions 0 --> 1.
- Server side traffic disabled.
- Packet: ETH / IP / TCP / HTTP1.1
- Direction 0 --> 1:
- Source IP address range: 172.16.130.2 - 172.16.130.2
- Destination IP address range: 192.168.0.1
"""
from trex_astf_lib.api import *
class Prof1():
def __init__(self):
"""Initialization and setting of streams' parameters."""
# Response content length.
self.content_len = 115
# Number of requests per HTTP transaction.
self.requests = 1
# Number of transactions per HTTP connection.
self.transaction_per_conn = 1
# Use TCP RST instead of FIN+ACK.
self.tcp_reset = False
# IP used in packet headers.
self.p1_src_start_ip = '172.16.130.2'
self.p1_src_end_ip = '172.16.130.2'
self.p1_dst_start_ip = '172.16.130.1'
self.p1_dst_end_ip = '172.16.130.1'
self.http_req = (b'GET / HTTP/1.1\r\n'
'Host: {host}\r\n'
'User-Agent: trex/astf\r\n'
'Accept: */*\r\n\r\n'
.format(host=self.p1_dst_start_ip))
self.http_res = (b'HTTP/1.1 200 OK\r\n'
'Content-Type: text/html\r\n'
'Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n'
'Connection: close\r\n'
'Pragma: no-cache\r\n'
'Content-Length: {length}\r\n\r\n'
.format(length=self.content_len))
def create_profile(self):
# client operations
prog_c = ASTFProgram()
prog_c.connect()
for i in range(self.transaction_per_conn):
prog_c.send(self.http_req * self.requests)
prog_c.recv((len(self.http_res) + self.content_len) * self.requests)
if self.tcp_reset:
prog_c.reset()
# ip generator
ip_gen_c = ASTFIPGenDist(ip_range=[self.p1_src_start_ip,
self.p1_src_end_ip],
distribution="seq")
ip_gen_s = ASTFIPGenDist(ip_range=[self.p1_dst_start_ip,
self.p1_dst_end_ip],
distribution="seq")
ip_gen = ASTFIPGen(glob=ASTFIPGenGlobal(ip_offset="0.0.0.1"),
dist_client=ip_gen_c,
dist_server=ip_gen_s)
# TCP parameters
tcp_params = ASTFTCPInfo(window=32768)
# client tunables
c_glob_info = ASTFGlobalInfo()
# template
client_template = ASTFTCPClientTemplate(program=prog_c,
tcp_info=tcp_params,
ip_gen=ip_gen)
server_template = ASTFTCPServerTemplate(program=ASTFProgram(),
tcp_info=tcp_params)
template = ASTFTemplate(client_template=client_template,
server_template=server_template)
# profile
return ASTFProfile(default_ip_gen=ip_gen, templates=template,
default_c_glob_info=c_glob_info)
def get_profile(self):
return self.create_profile()
def register():
return Prof1()
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