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authorJohn Lo <loj@cisco.com>2017-08-22 09:16:50 -0400
committerDave Wallace <dwallacelf@gmail.com>2017-08-22 14:30:18 +0000
commite531f4cb5766fbf27e7a8af8e19ccf667b53852b (patch)
tree9d565ad0ca0d8696922c6bed07b76ce023497328 /src/plugins/dpdk/api/dpdk.api
parent87318463aa3abfe22984f78c1b31db8a355fae76 (diff)
Increase default MAC learn limit and check it in learn-update path
1. Increase default MAC learn limit from 1M to 8M entries. 2. Check MAC learn limit in MAC learning update path. 3. Allow disable of want_l2_macs_events to set MAC learn limit 4. Other minor cleanups Change-Id: I62438440937b5fa455e16f4a2e4d910277753395 Signed-off-by: John Lo <loj@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/api/dpdk.api')
0 files changed, 0 insertions, 0 deletions
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#!/router/bin/python


import os
import signal
import socket
from common.trex_status_e import TRexStatus
import subprocess
import shlex
import time
import threading
import logging
import CCustomLogger

# setup the logger
CCustomLogger.setup_custom_logger('TRexServer')
logger = logging.getLogger('TRexServer')


class AsynchronousTRexSession(threading.Thread):
    def __init__(self, trexObj , trex_launch_path, trex_cmd_data):
        super(AsynchronousTRexSession, self).__init__()
        self.stoprequest                            = threading.Event()
        self.terminateFlag                          = False
        self.launch_path                            = trex_launch_path
        self.cmd, self.export_path, self.duration   = trex_cmd_data
        self.session                                = None
        self.trexObj                                = trexObj
        self.time_stamps                            = {'start' : None, 'run_time' : None}
        self.trexObj.zmq_dump                       = {}

    def run (self):
        try:
            with open(self.export_path, 'w') as output_file:
                self.time_stamps['start'] = self.time_stamps['run_time'] = time.time()
                self.session   = subprocess.Popen(shlex.split(self.cmd), cwd = self.launch_path, stdout = output_file,
                                                  stderr = subprocess.STDOUT, preexec_fn=os.setsid, close_fds = True)
                logger.info("TRex session initialized successfully, Parent process pid is {pid}.".format( pid = self.session.pid ))
                while self.session.poll() is None:  # subprocess is NOT finished
                    time.sleep(0.5)
                    if self.stoprequest.is_set():
                        logger.debug("Abort request received by handling thread. Terminating TRex session." )
                        os.killpg(self.session.pid, signal.SIGUSR1)
                        self.trexObj.set_status(TRexStatus.Idle)
                        self.trexObj.set_verbose_status("TRex is Idle")
                        break
        except Exception as e:
            logger.error(e)

        self.time_stamps['run_time'] = time.time() - self.time_stamps['start']

        try:
            if self.time_stamps['run_time'] < 5:
                logger.error("TRex run failed due to wrong input parameters, or due to readability issues.")
                self.trexObj.set_verbose_status("TRex run failed due to wrong input parameters, or due to readability issues.\n\nTRex command: {cmd}\n\nRun output:\n{output}".format(
                    cmd = self.cmd, output = self.load_trex_output(self.export_path)))
                self.trexObj.errcode = -11
            elif (self.session.returncode is not None and self.session.returncode != 0) or ( (self.time_stamps['run_time'] < self.duration) and (not self.stoprequest.is_set()) ):
                if (self.session.returncode is not None and self.session.returncode != 0):
                    logger.debug("Failed TRex run due to session return code ({ret_code})".format( ret_code = self.session.returncode ) )
                elif ( (self.time_stamps['run_time'] < self.duration) and not self.stoprequest.is_set()):
                    logger.debug("Failed TRex run due to running time ({runtime}) combined with no-stopping request.".format( runtime = self.time_stamps['run_time'] ) )

                logger.warning("TRex run was terminated unexpectedly by outer process or by the hosting OS")
                self.trexObj.set_verbose_status("TRex run was terminated unexpectedly by outer process or by the hosting OS.\n\nRun output:\n{output}".format(
                    output = self.load_trex_output(self.export_path)))
                self.trexObj.errcode = -15
            else:
                logger.info("TRex run session finished.")
                self.trexObj.set_verbose_status('TRex finished.')
                self.trexObj.errcode = None

        finally:
            self.trexObj.set_status(TRexStatus.Idle)
            logger.info("TRex running state changed to 'Idle'.")
            self.trexObj.expect_trex.clear()
            logger.debug("Finished handling a single run of TRex.")
            self.trexObj.zmq_dump   = None

    def join (self, timeout = None):
        self.stoprequest.set()
        super(AsynchronousTRexSession, self).join(timeout)

    def load_trex_output (self, export_path):
        output = None
        with open(export_path, 'r') as f:
            output = f.read()
        return output





if __name__ == "__main__":
    pass