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tests: Make flush_scan_cache() more robust

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Handle the cases where the first attempt to start scan fails due to an
ongoing scan. Stop such scan and try again instead of failing the test
case immediately.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Jouni Malinen 2023-12-20 18:21:10 +02:00 committed by Jouni Malinen
parent 4f65f66aeb
commit a46c5738bc
1 changed files with 9 additions and 2 deletions
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11
tests/hwsim/wpasupplicant.py
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@ -1196,8 +1196,15 @@ class WpaSupplicant:
raise Exception("Could not find BSS " + bssid + " in scan")
def flush_scan_cache(self, freq=2417):
self.request("BSS_FLUSH 0")
self.scan(freq=freq, only_new=True)
for i in range(3):
self.request("BSS_FLUSH 0")
try:
self.scan(freq=freq, only_new=True)
except Exception as e:
if i < 2:
logger.info("flush_scan_cache: Failed to start scan: " + str(e))
self.request("ABORT_SCAN")
time.sleep(0.1)
res = self.request("SCAN_RESULTS")
if len(res.splitlines()) > 1:
logger.debug("Scan results remaining after first attempt to flush the results:\n" + res)