feat(astf): Support framesizes for ASTF

[csit.git] / GPL / traffic_profiles / trex / trex-astf-ethip4tcp-65536h.py

diff --git a/GPL/traffic_profiles/trex/trex-astf-ethip4tcp-65536h.py b/GPL/traffic_profiles/trex/trex-astf-ethip4tcp-65536h.py
index 7d2f5b6..13c6ee8 100644 (file)
--- a/GPL/traffic_profiles/trex/trex-astf-ethip4tcp-65536h.py
+++ b/GPL/traffic_profiles/trex/trex-astf-ethip4tcp-65536h.py
@@ -1,9 +1,19 @@
-# 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:
+# Copyright (c) 2022 Cisco and/or its affiliates.
+#
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+#
+# Licensed under the Apache License 2.0 or
+# GNU General Public License v2.0 or later;  you may not use this file
+# except in compliance with one of these Licenses. You
+# may obtain a copy of the Licenses at:
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+#
+# Note: If this file is linked with Scapy, which is GPLv2+, your use of it
+# must be under GPLv2+.  If at any point in the future it is no longer linked
+# with Scapy (or other GPLv2+ licensed software), you are free to choose
+# Apache 2.
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -25,6 +35,9 @@ Traffic profile:
      on port 1
    - Destination IP address range: source IP address from packet received
      on port 1
+
+This is a profile for CPS tests, it only sets up and tears down TCP session.
+No delays, no data transfer.
 """
 
 from trex.astf.api import *
@@ -34,24 +47,6 @@ from profile_trex_astf_base_class import TrafficProfileBaseClass
 class TrafficProfile(TrafficProfileBaseClass):
     """Traffic profile."""
 
-    def __init__(self):
-        """Initialization and setting of profile parameters."""
-
-        super(TrafficProfileBaseClass, self).__init__()
-
-        # IPs used in packet headers.
-        self.p1_src_start_ip = u"192.168.0.0"
-        self.p1_src_end_ip = u"192.168.255.255"
-        self.p1_dst_start_ip = u"20.0.0.0"
-        self.p1_dst_end_ip = u"20.0.255.255"
-
-        # Headers length; not used in this profile, just for the record of
-        # header length for TCP packet with 0B payload
-        self.headers_size = 58  # 14B l2 + 20B ipv4 + 24B tcp incl. 4B options
-
-        # Delay for keeping tcp sessions active
-        self.delay = 2000000  # delay 2s (2,000,000 usec)
-
     def define_profile(self):
         """Define profile to be used by advanced stateful traffic generator.
 
@@ -62,14 +57,20 @@ class TrafficProfile(TrafficProfileBaseClass):
         :returns: IP generator and profile templates for ASTFProfile().
         :rtype: tuple
         """
+        # No data, no way to manipulate frame sizes via MSS.
+
+        # IPs used in packet headers.
+        p1_src_start_ip = u"192.168.0.0"
+        p1_src_end_ip = u"192.168.255.255"
+        p1_dst_start_ip = u"20.0.0.0"
+        p1_dst_end_ip = u"20.0.255.255"
+
         # client commands
         prog_c = ASTFProgram()
         # send syn
         prog_c.connect()
         # receive syn-ack (0B sent in tcp syn-ack packet) and send ack
         prog_c.recv(0)
-        # wait defined time, then send fin-ack
-        prog_c.delay(self.delay)
 
         # server commands
         prog_s = ASTFProgram()
@@ -80,17 +81,17 @@ class TrafficProfile(TrafficProfileBaseClass):
 
         # ip generators
         ip_gen_c = ASTFIPGenDist(
-            ip_range=[self.p1_src_start_ip, self.p1_src_end_ip],
-            distribution=u"seq"
+            ip_range=[p1_src_start_ip, p1_src_end_ip],
+            distribution=u"seq",
         )
         ip_gen_s = ASTFIPGenDist(
-            ip_range=[self.p1_dst_start_ip, self.p1_dst_end_ip],
-            distribution=u"seq"
+            ip_range=[p1_dst_start_ip, p1_dst_end_ip],
+            distribution=u"seq",
         )
         ip_gen = ASTFIPGen(
             glob=ASTFIPGenGlobal(ip_offset=u"0.0.0.1"),
             dist_client=ip_gen_c,
-            dist_server=ip_gen_s
+            dist_server=ip_gen_s,
         )
 
         # server association
@@ -101,7 +102,7 @@ class TrafficProfile(TrafficProfileBaseClass):
             program=prog_c,
             ip_gen=ip_gen,
             limit=4128768,  # TODO: set via input parameter
-            port=8080
+            port=8080,
         )
         temp_s = ASTFTCPServerTemplate(program=prog_s, assoc=s_assoc)
         template = ASTFTemplate(client_template=temp_c, server_template=temp_s)