- node = nodes_info["TG"]
-
- if node['type'] != NodeType.TG:
- raise Exception('Node type is not a TG')
-
- if node['subtype'] is None:
- raise Exception('TG subtype not defined')
-
- ssh = SSH()
- ssh.connect(node)
-
- tg_port3_src_mac = Topology.get_interface_mac_by_port_key(node, "port3")
- _, adj_int = Topology.\
- get_adjacent_node_and_interface_by_key(nodes_info, node, "port3")
- tg_port3_dst_mac = adj_int['mac_address']
-
- tg_port5_src_mac = Topology.get_interface_mac_by_port_key(node, "port5")
- _, adj_int = Topology.\
- get_adjacent_node_and_interface_by_key(nodes_info, node, "port5")
- tg_port5_dst_mac = adj_int['mac_address']
-
-
- if node['subtype'] == NodeSubTypeTG.TREX:
- if traffic_type in ["3-node-xconnect", "3-node-bridge"]:
- (ret, stdout, stderr) = ssh.exec_command(
- "sh -c '/tmp/openvpp-testing/resources/tools/t-rex-stateless.py "
- "-d {0} -r {1}% -s {2} "
- "--p1_src_mac 52:00:00:00:00:01 "
- "--p1_dst_mac 52:00:00:00:00:02 "
- "--p1_src_start_ip 10.10.10.1 "
- "--p1_src_end_ip 10.10.10.254 "
- "--p1_dst_start_ip 20.20.20.1 "
- "--p1_dst_end_ip 20.20.20.254 "
- "--p2_src_mac 52:00:00:00:00:02 "
- "--p2_dst_mac 52:00:00:00:00:01 "
- "--p2_src_start_ip 20.20.20.1 "
- "--p2_src_end_ip 20.20.20.254 "
- "--p2_dst_start_ip 10.10.10.1 "
- "--p2_dst_end_ip 10.10.10.254'".\
- format(duration, rate, framesize), timeout=int(duration)+60)
- elif traffic_type in ["3-node-IPv4"]:
- (ret, stdout, stderr) = ssh.exec_command(
- "sh -c '/tmp/openvpp-testing/resources/tools/t-rex-stateless.py "
- "-d {0} -r {1}% -s {2} "
- "--p1_src_mac {3} "
- "--p1_dst_mac {4} "
- "--p1_src_start_ip 10.10.10.2 "
- "--p1_src_end_ip 10.10.10.254 "
- "--p1_dst_start_ip 20.20.20.2 "
- "--p1_dst_end_ip 20.20.20.2 "
- "--p2_src_mac {5} "
- "--p2_dst_mac {6} "
- "--p2_src_start_ip 20.20.20.2 "
- "--p2_src_end_ip 20.20.20.254 "
- "--p2_dst_start_ip 10.10.10.2 "
- "--p2_dst_end_ip 10.10.10.2'".\
- format(duration, rate, framesize,\
- tg_port3_src_mac, tg_port3_dst_mac,\
- tg_port5_src_mac, tg_port5_dst_mac),\
- timeout=int(duration)+60)
+ def _parse_traffic_results(self, stdout):
+ """Parse stdout of scripts into fields of self.
+
+ Block of code to reuse, by sync start, or stop after async.
+
+ :param stdout: Text containing the standard output.
+ :type stdout: str
+ """
+ subtype = check_subtype(self._node)
+ if subtype == NodeSubTypeTG.TREX:
+ # Last line from console output
+ line = stdout.splitlines()[-1]
+ results = line.split(u",")
+ if results[-1] in (u" ", u""):
+ results.pop(-1)
+ self._result = dict()
+ for result in results:
+ key, value = result.split(u"=", maxsplit=1)
+ self._result[key.strip()] = value
+ logger.info(f"TrafficGen results:\n{self._result}")
+ self._received = self._result.get(u"total_received")
+ self._sent = self._result.get(u"total_sent")
+ self._loss = self._result.get(u"frame_loss")
+ self._approximated_duration = \
+ self._result.get(u"approximated_duration")
+ self._approximated_rate = self._result.get(u"approximated_rate")
+ self._latency = list()
+ self._latency.append(self._result.get(u"latency_stream_0(usec)"))
+ self._latency.append(self._result.get(u"latency_stream_1(usec)"))
+ if self._mode == TrexMode.ASTF:
+ self._l7_data = dict()
+ self._l7_data[u"client"] = dict()
+ self._l7_data[u"client"][u"active_flows"] = \
+ self._result.get(u"client_active_flows")
+ self._l7_data[u"client"][u"established_flows"] = \
+ self._result.get(u"client_established_flows")
+ self._l7_data[u"client"][u"err_rx_throttled"] = \
+ self._result.get(u"client_err_rx_throttled")
+ self._l7_data[u"client"][u"err_c_nf_throttled"] = \
+ self._result.get(u"client_err_nf_throttled")
+ self._l7_data[u"client"][u"err_flow_overflow"] = \
+ self._result.get(u"client_err_flow_overflow")
+ self._l7_data[u"server"] = dict()
+ self._l7_data[u"server"][u"active_flows"] = \
+ self._result.get(u"server_active_flows")
+ self._l7_data[u"server"][u"established_flows"] = \
+ self._result.get(u"server_established_flows")
+ self._l7_data[u"server"][u"err_rx_throttled"] = \
+ self._result.get(u"client_err_rx_throttled")
+ if u"udp" in self.traffic_profile:
+ self._l7_data[u"client"][u"udp"] = dict()
+ self._l7_data[u"client"][u"udp"][u"established_flows"] = \
+ self._result.get(u"client_udp_connects")
+ self._l7_data[u"client"][u"udp"][u"closed_flows"] = \
+ self._result.get(u"client_udp_closed")
+ self._l7_data[u"client"][u"udp"][u"tx_bytes"] = \
+ self._result.get(u"client_udp_tx_bytes")
+ self._l7_data[u"client"][u"udp"][u"rx_bytes"] = \
+ self._result.get(u"client_udp_rx_bytes")
+ self._l7_data[u"client"][u"udp"][u"tx_packets"] = \
+ self._result.get(u"client_udp_tx_packets")
+ self._l7_data[u"client"][u"udp"][u"rx_packets"] = \
+ self._result.get(u"client_udp_rx_packets")
+ self._l7_data[u"client"][u"udp"][u"keep_drops"] = \
+ self._result.get(u"client_udp_keep_drops")
+ self._l7_data[u"server"][u"udp"] = dict()
+ self._l7_data[u"server"][u"udp"][u"accepted_flows"] = \
+ self._result.get(u"server_udp_accepts")
+ self._l7_data[u"server"][u"udp"][u"closed_flows"] = \
+ self._result.get(u"server_udp_closed")
+ self._l7_data[u"server"][u"udp"][u"tx_bytes"] = \
+ self._result.get(u"server_udp_tx_bytes")
+ self._l7_data[u"server"][u"udp"][u"rx_bytes"] = \
+ self._result.get(u"server_udp_rx_bytes")
+ self._l7_data[u"server"][u"udp"][u"tx_packets"] = \
+ self._result.get(u"server_udp_tx_packets")
+ self._l7_data[u"server"][u"udp"][u"rx_packets"] = \
+ self._result.get(u"server_udp_rx_packets")
+ elif u"tcp" in self.traffic_profile:
+ self._l7_data[u"client"][u"tcp"] = dict()
+ self._l7_data[u"client"][u"tcp"][u"initiated_flows"] = \
+ self._result.get(u"client_tcp_connect_inits")
+ self._l7_data[u"client"][u"tcp"][u"established_flows"] = \
+ self._result.get(u"client_tcp_connects")
+ self._l7_data[u"client"][u"tcp"][u"closed_flows"] = \
+ self._result.get(u"client_tcp_closed")
+ self._l7_data[u"client"][u"tcp"][u"tx_bytes"] = \
+ self._result.get(u"client_tcp_tx_bytes")
+ self._l7_data[u"client"][u"tcp"][u"rx_bytes"] = \
+ self._result.get(u"client_tcp_rx_bytes")
+ self._l7_data[u"server"][u"tcp"] = dict()
+ self._l7_data[u"server"][u"tcp"][u"accepted_flows"] = \
+ self._result.get(u"server_tcp_accepts")
+ self._l7_data[u"server"][u"tcp"][u"established_flows"] = \
+ self._result.get(u"server_tcp_connects")
+ self._l7_data[u"server"][u"tcp"][u"closed_flows"] = \
+ self._result.get(u"server_tcp_closed")
+ self._l7_data[u"server"][u"tcp"][u"tx_bytes"] = \
+ self._result.get(u"server_tcp_tx_bytes")
+ self._l7_data[u"server"][u"tcp"][u"rx_bytes"] = \
+ self._result.get(u"server_tcp_rx_bytes")
+
+ def trex_astf_stop_remote_exec(self, node):
+ """Execute T-Rex ASTF script on remote node over ssh to stop running
+ traffic.
+
+ Internal state is updated with measurement results.
+
+ :param node: T-Rex generator node.
+ :type node: dict
+ :raises RuntimeError: If stop traffic script fails.
+ """
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_astf_stop.py'")
+ command_line.change_prefix(u"--")
+ for index, value in enumerate(self._xstats):
+ if value is not None:
+ value = value.replace(u"'", u"\"")
+ command_line.add_equals(f"xstat{index}", f"'{value}'")
+ stdout, _ = exec_cmd_no_error(
+ node, command_line,
+ message=u"T-Rex ASTF runtime error!"
+ )
+ self._parse_traffic_results(stdout)
+
+ def trex_stl_stop_remote_exec(self, node):
+ """Execute T-Rex STL script on remote node over ssh to stop running
+ traffic.
+
+ Internal state is updated with measurement results.
+
+ :param node: T-Rex generator node.
+ :type node: dict
+ :raises RuntimeError: If stop traffic script fails.
+ """
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_stl_stop.py'")
+ command_line.change_prefix(u"--")
+ for index, value in enumerate(self._xstats):
+ if value is not None:
+ value = value.replace(u"'", u"\"")
+ command_line.add_equals(f"xstat{index}", f"'{value}'")
+ stdout, _ = exec_cmd_no_error(
+ node, command_line,
+ message=u"T-Rex STL runtime error!"
+ )
+ self._parse_traffic_results(stdout)
+
+ def stop_traffic_on_tg(self):
+ """Stop all traffic on TG.
+
+ :returns: Structure containing the result of the measurement.
+ :rtype: ReceiveRateMeasurement
+ :raises ValueError: If TG traffic profile is not supported.
+ """
+ subtype = check_subtype(self._node)
+ if subtype == NodeSubTypeTG.TREX:
+ if u"trex-astf" in self.traffic_profile:
+ self.trex_astf_stop_remote_exec(self._node)
+ elif u"trex-sl" in self.traffic_profile:
+ self.trex_stl_stop_remote_exec(self._node)
+ else:
+ raise ValueError(u"Unsupported T-Rex traffic profile!")
+
+ return self.get_measurement_result()
+
+ def trex_astf_start_remote_exec(
+ self, duration, mult, frame_size, traffic_profile, async_call=False,
+ latency=True, warmup_time=5.0, traffic_directions=2, tx_port=0,
+ rx_port=1):
+ """Execute T-Rex ASTF script on remote node over ssh to start running
+ traffic.
+
+ In sync mode, measurement results are stored internally.
+ In async mode, initial data including xstats are stored internally.
+
+ :param duration: Time expresed in seconds for how long to send traffic.
+ :param mult: Traffic rate expressed with units (pps, %)
+ :param frame_size: L2 frame size to send (without padding and IPG).
+ :param traffic_profile: Module name as a traffic profile identifier.
+ See GPL/traffic_profiles/trex for implemented modules.
+ :param async_call: If enabled then don't wait for all incoming traffic.
+ :param latency: With latency measurement.
+ :param warmup_time: Warmup time period.
+ :param traffic_directions: Traffic is bi- (2) or uni- (1) directional.
+ Default: 2
+ :param tx_port: Traffic generator transmit port for first flow.
+ Default: 0
+ :param rx_port: Traffic generator receive port for first flow.
+ Default: 1
+ :type duration: float
+ :type mult: int
+ :type frame_size: str
+ :type traffic_profile: str
+ :type async_call: bool
+ :type latency: bool
+ :type warmup_time: float
+ :type traffic_directions: int
+ :type tx_port: int
+ :type rx_port: int
+ :raises RuntimeError: In case of T-Rex driver issue.
+ """
+ self.check_mode(TrexMode.ASTF)
+ p_0, p_1 = (rx_port, tx_port) if self._ifaces_reordered \
+ else (tx_port, rx_port)
+ if not isinstance(duration, (float, int)):
+ duration = float(duration)
+ if not isinstance(warmup_time, (float, int)):
+ warmup_time = float(warmup_time)
+
+ command_line = OptionString().add(u"python3")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/tools/trex"
+ command_line.add(f"'{dirname}/trex_astf_profile.py'")
+ command_line.change_prefix(u"--")
+ dirname = f"{Constants.REMOTE_FW_DIR}/GPL/traffic_profiles/trex"
+ command_line.add_with_value(
+ u"profile", f"'{dirname}/{traffic_profile}.py'"
+ )
+ command_line.add_with_value(u"duration", f"{duration!r}")
+ command_line.add_with_value(u"frame_size", frame_size)
+ command_line.add_with_value(u"mult", int(mult))
+ command_line.add_with_value(u"warmup_time", f"{warmup_time!r}")
+ command_line.add_with_value(u"port_0", p_0)
+ command_line.add_with_value(u"port_1", p_1)
+ command_line.add_with_value(u"traffic_directions", traffic_directions)
+ command_line.add_if(u"async_start", async_call)
+ command_line.add_if(u"latency", latency)
+ command_line.add_if(u"force", Constants.TREX_SEND_FORCE)
+
+ stdout, _ = exec_cmd_no_error(
+ self._node, command_line,
+ timeout=int(duration) + 600 if u"tcp" in self.traffic_profile
+ else 60,
+ message=u"T-Rex ASTF runtime error!"
+ )
+
+ self.traffic_directions = traffic_directions
+ if async_call:
+ # no result
+ self._start_time = time.time()
+ self._rate = float(mult)
+ self._received = None
+ self._sent = None
+ self._loss = None
+ self._latency = None
+ xstats = [None, None]
+ self._l7_data = dict()
+ self._l7_data[u"client"] = dict()
+ self._l7_data[u"client"][u"active_flows"] = None
+ self._l7_data[u"client"][u"established_flows"] = None
+ self._l7_data[u"server"] = dict()
+ self._l7_data[u"server"][u"active_flows"] = None
+ self._l7_data[u"server"][u"established_flows"] = None
+ if u"udp" in self.traffic_profile:
+ self._l7_data[u"client"][u"udp"] = dict()
+ self._l7_data[u"client"][u"udp"][u"established_flows"] = None
+ self._l7_data[u"client"][u"udp"][u"closed_flows"] = None
+ self._l7_data[u"server"][u"udp"] = dict()
+ self._l7_data[u"server"][u"udp"][u"accepted_flows"] = None
+ self._l7_data[u"server"][u"udp"][u"closed_flows"] = None
+ elif u"tcp" in self.traffic_profile:
+ self._l7_data[u"client"][u"tcp"] = dict()
+ self._l7_data[u"client"][u"tcp"][u"initiated_flows"] = None
+ self._l7_data[u"client"][u"tcp"][u"established_flows"] = None
+ self._l7_data[u"client"][u"tcp"][u"closed_flows"] = None
+ self._l7_data[u"server"][u"tcp"] = dict()
+ self._l7_data[u"server"][u"tcp"][u"accepted_flows"] = None
+ self._l7_data[u"server"][u"tcp"][u"established_flows"] = None
+ self._l7_data[u"server"][u"tcp"][u"closed_flows"] = None