- if client:
- client.disconnect(stop_traffic=False, release_ports=True)
- else:
- if client:
- client.disconnect()
- print("rate={0}, totalReceived={1}, totalSent={2}, "
- "frameLoss={3}, latencyStream0(usec)={4}, "
- "latencyStream1(usec)={5}".
- format(rate, total_rcvd, total_sent, lost_a + lost_b,
- lat_a, lat_b))
-
-
-def send_traffic_unidirection(profile_file, duration, framesize, rate,
- warmup_time, port_0, port_1, latency,
- async_start=False):
- """Send traffic unidirection and measure packet loss and latency.
-
- :param profile_file: A python module with T-rex traffic profile.
- :param framesize: Frame size.
- :param duration: Duration of traffic run in seconds (-1=infinite).
- :param rate: Traffic rate [percentage, pps, bps].
- :param warmup_time: Traffic warm-up time in seconds, 0 = disable.
- :param port_0: Port 0 on the traffic generator.
- :param port_1: Port 1 on the traffic generator.
- :param latency: With latency stats.
- :param async_start: Start the traffic and exit.
- :type profile_file: str
- :type framesize: int or str
- :type duration: float
- :type rate: str
- :type warmup_time: float
- :type port_0: int
- :type port_1: int
- :type latency: bool
- :type async_start: bool
- """
-
- client = None
- total_rcvd = 0
- total_sent = 0
- lost_a = 0
- lat_a = "-1/-1/-1"
-
- # Read the profile:
- try:
- print("### Profile file:\n{}".format(profile_file))
- profile = STLProfile.load(profile_file, direction=0, port_id=0,
- framesize=framesize)
- streams = profile.get_streams()
- except STLError as err:
- print("Error while loading profile '{0}' {1}".format(profile_file, err))
- sys.exit(1)
-
- try:
- # Create the client:
- client = STLClient(verbose_level=LoggerApi.VERBOSE_QUIET)
- # Connect to server:
- client.connect()
- # Prepare our ports:
- if port_0 == port_1:
- client.reset(ports=[port_0])
- client.remove_all_streams(ports=[port_0])
-
- if "macsrc" in profile_file:
- client.set_port_attr(ports=[port_0], promiscuous=True,
- resolve=False)