+import sys
+
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.autogen.Testcase import Testcase
+
+
+PROTOCOL_TO_MIN_FRAME_SIZE = {
+ "ip4": 64,
+ "ip6": 78,
+ "ethip4vxlan": 114, # What is the real minimum for latency stream?
+ "dot1qip4vxlan": 118
+}
+MIN_FRAME_SIZE_VALUES = PROTOCOL_TO_MIN_FRAME_SIZE.values()
+
+
+# Copied from https://stackoverflow.com/a/14981125
+def eprint(*args, **kwargs):
+ """Print to stderr."""
+ print(*args, file=sys.stderr, **kwargs)
+
+
+def replace_defensively(
+ whole, to_replace, replace_with, how_many, msg, in_filename):
+ """Replace substrings while checking the number of occurences.
+
+ Return edited copy of the text. Assuming "whole" is really a string,
+ or something else with .replace not affecting it.
+
+ :param whole: The text to perform replacements on.
+ :param to_replace: Substring occurences of which to replace.
+ :param replace_with: Substring to replace occurences with.
+ :param how_many: Number of occurences to expect.
+ :param msg: Error message to raise.
+ :param in_filename: File name in which the error occured.
+ :type whole: str
+ :type to_replace: str
+ :type replace_with: str
+ :type how_many: int
+ :type msg: str
+ :type in_filename: str
+ :return: The whole text after replacements are done.
+ :rtype: str
+ :raise ValueError: If number of occurences does not match.
+ """
+ found = whole.count(to_replace)
+ if found != how_many:
+ raise ValueError(in_filename + ": " + msg)
+ return whole.replace(to_replace, replace_with)
+
+
+def get_iface_and_suite_id(filename):
+ """Get interface and suite ID.
+
+ Interface ID is the part of suite name
+ which should be replaced for other NIC.
+ Suite ID is the part os suite name
+ which si appended to testcase names.
+
+ :param filename: Suite file.
+ :type filename: str
+ :returns: Interface ID, Suite ID.
+ :rtype: (str, str)
+ """
+ dash_split = filename.split("-", 1)
+ if len(dash_split[0]) <= 4:
+ # It was something like "2n1l", we need one more split.
+ dash_split = dash_split[1].split("-", 1)
+ return dash_split[0], dash_split[1].split(".", 1)[0]
+
+
+def add_default_testcases(testcase, iface, suite_id, file_out, tc_kwargs_list):
+ """Add default testcases to file.
+
+ :param testcase: Testcase class.
+ :param iface: Interface.
+ :param suite_id: Suite ID.
+ :param file_out: File to write testcases to.
+ :param tc_kwargs_list: Key-value pairs used to construct testcases.
+ :type testcase: Testcase
+ :type iface: str
+ :type suite_id: str
+ :type file_out: file
+ :type tc_kwargs_list: dict
+ """
+ # We bump tc number in any case, so that future enables/disables
+ # do not affect the numbering of other test cases.
+ for num, kwargs in enumerate(tc_kwargs_list, start=1):
+ # TODO: Is there a better way to disable some combinations?
+ emit = True
+ if kwargs["frame_size"] == 9000:
+ if "vic1227" in iface:
+ # Not supported in HW.
+ emit = False
+ if "vic1385" in iface:
+ # Not supported in HW.
+ emit = False
+ if "-16vm2t-" in suite_id or "-16dcr2t-" in suite_id:
+ if kwargs["phy_cores"] > 3:
+ # CSIT lab only has 28 (physical) core processors,
+ # so these test would fail when attempting to assign cores.
+ emit = False
+ if "-24vm1t-" in suite_id or "-24dcr1t-" in suite_id:
+ if kwargs["phy_cores"] > 3:
+ # CSIT lab only has 28 (physical) core processors,
+ # so these test would fail when attempting to assign cores.
+ emit = False
+ if "soak" in suite_id:
+ # Soak test take too long, do not risk other than tc01.
+ if kwargs["phy_cores"] != 1:
+ emit = False
+ if kwargs["frame_size"] not in MIN_FRAME_SIZE_VALUES:
+ emit = False
+ if emit:
+ file_out.write(testcase.generate(num=num, **kwargs))
+
+
+def add_tcp_testcases(testcase, file_out, tc_kwargs_list):
+ """Add TCP testcases to file.
+
+ :param testcase: Testcase class.
+ :param file_out: File to write testcases to.
+ :param tc_kwargs_list: Key-value pairs used to construct testcases.
+ :type testcase: Testcase
+ :type file_out: file
+ :type tc_kwargs_list: dict
+ """
+ for num, kwargs in enumerate(tc_kwargs_list, start=1):
+ file_out.write(testcase.generate(num=num, **kwargs))
+
+
+def write_default_files(in_filename, in_prolog, kwargs_list):
+ """Using given filename and prolog, write all generated suites.
+
+ :param in_filename: Template filename to derive real filenames from.
+ :param in_prolog: Template content to derive real content from.
+ :param kwargs_list: List of kwargs for add_default_testcase.
+ :type in_filename: str
+ :type in_prolog: str
+ :type kwargs_list: list of dict
+ """
+ for suite_type in Constants.PERF_TYPE_TO_KEYWORD:
+ tmp_filename = replace_defensively(
+ in_filename, "ndrpdr", suite_type, 1,
+ "File name should contain suite type once.", in_filename)
+ tmp_prolog = replace_defensively(
+ in_prolog, "ndrpdr".upper(), suite_type.upper(), 1,
+ "Suite type should appear once in uppercase (as tag).",
+ in_filename)
+ tmp_prolog = replace_defensively(
+ tmp_prolog,
+ "Find NDR and PDR intervals using optimized search",
+ Constants.PERF_TYPE_TO_KEYWORD[suite_type], 1,
+ "Main search keyword should appear once in suite.",
+ in_filename)
+ tmp_prolog = replace_defensively(
+ tmp_prolog,
+ Constants.PERF_TYPE_TO_SUITE_DOC_VER["ndrpdr"],
+ Constants.PERF_TYPE_TO_SUITE_DOC_VER[suite_type],
+ 1, "Exact suite type doc not found.", in_filename)
+ tmp_prolog = replace_defensively(
+ tmp_prolog,
+ Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER["ndrpdr"],
+ Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER[suite_type],
+ 1, "Exact template type doc not found.", in_filename)
+ _, suite_id = get_iface_and_suite_id(tmp_filename)
+ testcase = Testcase.default(suite_id)
+ for nic_name in Constants.NIC_NAME_TO_CODE:
+ out_filename = replace_defensively(
+ tmp_filename, "10ge2p1x710",
+ Constants.NIC_NAME_TO_CODE[nic_name], 1,
+ "File name should contain NIC code once.", in_filename)
+ out_prolog = replace_defensively(
+ tmp_prolog, "Intel-X710", nic_name, 2,
+ "NIC name should appear twice (tag and variable).",
+ in_filename)
+ if out_prolog.count("HW_") == 2:
+ # TODO CSIT-1481: Crypto HW should be read
+ # from topology file instead.
+ if nic_name in Constants.NIC_NAME_TO_CRYPTO_HW:
+ out_prolog = replace_defensively(
+ out_prolog, "HW_DH895xcc",
+ Constants.NIC_NAME_TO_CRYPTO_HW[nic_name], 1,
+ "HW crypto name should appear.", in_filename)
+ iface, suite_id = get_iface_and_suite_id(out_filename)
+ with open(out_filename, "w") as file_out:
+ file_out.write(out_prolog)
+ add_default_testcases(
+ testcase, iface, suite_id, file_out, kwargs_list)
+
+
+def write_reconf_files(in_filename, in_prolog, kwargs_list):
+ """Using given filename and prolog, write all generated reconf suites.