from time import sleep
from robot.api import logger
+from resources.libraries.python.Constants import Constants
from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
from resources.libraries.python.PapiExecutor import PapiSocketExecutor
from resources.libraries.python.DUTSetup import DUTSetup
vpp_echo_cmd[u"args"] += u" tx-results-diff"
return vpp_echo_cmd
+ @staticmethod
+ def get_iperf3_command(iperf3_attributes):
+ """Construct the iperf3 command using the specified attributes.
+
+ :param iperf3_attributes: iperf3 test program attributes.
+ :type iperf3_attributes: dict
+ :returns: Command line components of the iperf3 command
+ 'env_vars' - environment variables
+ 'name' - program name
+ 'args' - command arguments.
+ :rtype: dict
+ """
+ # TODO: Use a python class instead of dictionary for the return type
+ iperf3_cmd = {}
+ iperf3_cmd[u"env_vars"] = f"VCL_CONFIG={Constants.REMOTE_FW_DIR}/" \
+ f"{Constants.RESOURCES_TPL_VCL}/" \
+ f"{iperf3_attributes[u'vcl_config']}"
+ if iperf3_attributes[u"ld_preload"]:
+ iperf3_cmd[u"env_vars"] += \
+ f" LD_PRELOAD={Constants.VCL_LDPRELOAD_LIBRARY}"
+ if iperf3_attributes[u'transparent_tls']:
+ iperf3_cmd[u"env_vars"] += u" LDP_ENV_TLS_TRANS=1"
+
+ json_results = u" --json" if iperf3_attributes[u'json'] else u""
+ ip_address = f" {iperf3_attributes[u'ip_address']}" if u"ip_address" \
+ in iperf3_attributes else u""
+ iperf3_cmd[u"name"] = u"iperf3"
+ iperf3_cmd[u"args"] = f"--{iperf3_attributes[u'role']}{ip_address} " \
+ f"--interval 0{json_results} " \
+ f"--version{iperf3_attributes[u'ip_version']}"
+
+ if iperf3_attributes[u"role"] == u"server":
+ iperf3_cmd[u"args"] += u" --one-off"
+ else:
+ iperf3_cmd[u"args"] += u" --get-server-output"
+ if u"parallel" in iperf3_attributes:
+ iperf3_cmd[u"args"] += \
+ f" --parallel {iperf3_attributes[u'parallel']}"
+ if u"time" in iperf3_attributes:
+ iperf3_cmd[u"args"] += \
+ f" --time {iperf3_attributes[u'time']}"
+ return iperf3_cmd
+
@staticmethod
def set_hoststack_quic_fifo_size(node, fifo_size):
"""Set the QUIC protocol fifo size.
:type node: dict
:type quic_crypto_engine: str
"""
- vpp_crypto_engines = {u"openssl", u"ia32", u"ipsecmb"}
+ vpp_crypto_engines = {u"openssl", u"native", u"ipsecmb"}
if quic_crypto_engine == u"nocrypto":
logger.trace(u"No QUIC crypto engine.")
return
return stdout_log, stderr_log
@staticmethod
- def start_hoststack_test_program(node, namespace, program):
+ def start_hoststack_test_program(node, namespace, core_list, program):
"""Start the specified HostStack test program.
:param node: DUT node.
:param namespace: Net Namespace to run program in.
+ :param core_list: List of cpu's to pass to taskset to pin the test
+ program to a different set of cores on the same numa node as VPP.
:param program: Test program.
:type node: dict
:type namespace: str
+ :type core_list: str
:type program: dict
:returns: Process ID
:rtype: int
:raises RuntimeError: If node subtype is not a DUT or startup failed.
"""
- # TODO: Pin test program to core(s) on same numa node as VPP.
if node[u"type"] != u"DUT":
raise RuntimeError(u"Node type is not a DUT!")
env_vars = f"{program[u'env_vars']} " if u"env_vars" in program else u""
args = program[u"args"]
- cmd = f"nohup {shell_cmd} \'{env_vars}{program_name} {args} " \
- f">/tmp/{program_name}_stdout.log " \
+ cmd = f"nohup {shell_cmd} \'{env_vars}taskset --cpu-list {core_list} " \
+ f"{program_name} {args} >/tmp/{program_name}_stdout.log " \
f"2>/tmp/{program_name}_stderr.log &\'"
try:
exec_cmd_no_error(node, cmd, sudo=True)