efd0a6fbf1
Verify that the expected frames were seend and unexpected frames weren't. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
#
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# tshark module - refactored from test_scan.py
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#
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# Copyright (c) 2014, Qualcomm Atheros, Inc.
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# Copyright (c) 2015, Intel Mobile Communications GmbH
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import time
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import subprocess
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import logging
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logger = logging.getLogger()
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_tshark_filter_arg = '-Y'
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def run_tshark(filename, filter, display=None, wait=True):
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global _tshark_filter_arg
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if wait:
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# wait a bit to make it more likely for wlantest sniffer to have
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# captured and written the results into a file that we can process here
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time.sleep(1)
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try:
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arg = [ "tshark", "-r", filename,
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_tshark_filter_arg, filter ]
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if display:
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arg.append('-Tfields')
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for d in display:
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arg.append('-e')
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arg.append(d)
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else:
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arg.append('-V')
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cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
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stderr=open('/dev/null', 'w'))
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except Exception, e:
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logger.info("Could run run tshark check: " + str(e))
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cmd = None
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return None
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out = cmd.communicate()[0]
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res = cmd.wait()
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if res == 1:
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# remember this for efficiency
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_tshark_filter_arg = '-R'
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arg[3] = '-R'
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cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
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stderr=open('/dev/null', 'w'))
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out = cmd.communicate()[0]
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cmd.wait()
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return out
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