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lf_interop_port_reset_test.py: count driver-initiated scans on Linux #375

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Merged
goyalsaurabh06 merged 1 commit into from
Aug 27, 2026
Merged

lf_interop_port_reset_test.py: count driver-initiated scans on Linux #375

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87 changes: 45 additions & 42 deletions py-scripts/lf_interop_port_reset_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -815,88 +815,91 @@ def collect_device_metrics(
else:
device_metrics[str(device_eid)]["cx time (us)"] = "NA"
else: # other means (for linux)
linux_mac_disconnect_count = self.count_wifi_msg_matches(
linux_disconnect_count = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="disconnected",
)
# Double-checking the disconnect count with another key msg
if linux_mac_disconnect_count == 0:
linux_mac_disconnect_count = self.count_wifi_msg_matches(
if linux_disconnect_count == 0:
linux_disconnect_count = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="<3>CTRL-EVENT-DSCP-POLICY clear_all",
)
logging.info(
"Final Disconnect count for %s: %s"
% (device_eid, linux_mac_disconnect_count)
% (device_eid, linux_disconnect_count)
)
device_metrics[device_eid]["Disconnected"] = linux_mac_disconnect_count
linux_mac_scan_count = self.count_wifi_msg_matches(
device_metrics[device_eid]["Disconnected"] = linux_disconnect_count
linux_scan_count = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="<3>CTRL-EVENT-SCAN-STARTED",
)
if linux_scan_count == 0:
linux_scan_count = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="scan started",
)
logging.info(
"Final Scanning Count for %s: %s"
% (device_eid, linux_mac_scan_count)
"Final Scanning Count for %s: %s" % (device_eid, linux_scan_count)
)
device_metrics[str(device_eid)]["Scanning"] = linux_mac_scan_count
linux_mac_association_attempt = self.count_wifi_msg_matches(
device_metrics[str(device_eid)]["Scanning"] = linux_scan_count
linux_association_attempt = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="<3>Trying to associate with",
)
logging.info(
"Final Association Attempts Count for %s: %s"
% (device_eid, linux_mac_association_attempt)
% (device_eid, linux_association_attempt)
)
device_metrics[str(device_eid)][
"ConnectAttempt"
] = linux_mac_association_attempt
linux_mac_association_rejection = self.count_wifi_msg_matches(
] = linux_association_attempt
linux_association_rejection = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="NoneValue",
)
logging.info(
"Final Association Rejection Count for %s: %s"
% (device_eid, linux_mac_association_rejection)
% (device_eid, linux_association_rejection)
)
device_metrics[str(device_eid)][
"Association Rejection"
] = linux_mac_association_rejection
] = linux_association_rejection

linux_mac_connected_count = self.count_wifi_msg_matches(
linux_connected_count = self.count_wifi_msg_matches(
wifi_messages=wifi_messages,
message_keys=message_keys,
device_eid=device_eid,
match_text="<3>CTRL-EVENT-CONNECTED",
)
linux_mac_connection_state_unverified = False
linux_connection_state_unverified = False
# assoc-rejection based logic
if linux_mac_association_rejection:
if linux_association_rejection:
actual_connects = (
linux_mac_association_attempt - linux_mac_association_rejection
linux_association_attempt - linux_association_rejection
)
if actual_connects == linux_mac_connected_count:
linux_mac_connected_count = linux_mac_connected_count
if actual_connects == linux_connected_count:
linux_connected_count = linux_connected_count
else:
linux_mac_connected_count = actual_connects
linux_connected_count = actual_connects
else:
if linux_mac_association_attempt == linux_mac_connected_count:
linux_mac_connected_count = linux_mac_connected_count
if linux_association_attempt == linux_connected_count:
linux_connected_count = linux_connected_count
else:
# Double-checking & adding remarks if any
if (
linux_mac_connected_count > 1
or linux_mac_connected_count == 0
):
if linux_connected_count > 1 or linux_connected_count == 0:
eid_parts = device_eid.split(".")
port_response = self.json_get_with_retry(
f"port/{eid_parts[0]}/{eid_parts[1]}/{eid_parts[2]}?fields=ssid,ip"
Expand All @@ -906,38 +909,38 @@ def collect_device_metrics(
port_response["interface"]["ssid"] == self.ssid
and port_response["interface"]["ip"] != "0.0.0.0"
):
linux_mac_connected_count = 1
linux_connected_count = 1
else:
linux_mac_connected_count = 0
linux_connected_count = 0
except (TypeError, KeyError) as e:
logging.error(
f"Could not verify connection state for device "
f"{device_eid}; LANforge response is not in expected format ({e}). Data "
f"received: {port_response}"
)
linux_mac_connected_count = 0
linux_mac_connection_state_unverified = True
linux_connected_count = 0
linux_connection_state_unverified = True
logging.info(
"Final Connected Count for %s: %s"
% (device_eid, linux_mac_connected_count)
% (device_eid, linux_connected_count)
)
device_metrics[str(device_eid)]["Connected"] = linux_mac_connected_count
if linux_mac_association_attempt > linux_mac_connected_count:
linux_mac_association_rejection = (
linux_mac_association_attempt - linux_mac_connected_count
device_metrics[str(device_eid)]["Connected"] = linux_connected_count
if linux_association_attempt > linux_connected_count:
linux_association_rejection = (
linux_association_attempt - linux_connected_count
)
device_metrics[str(device_eid)][
"Association Rejection"
] = linux_mac_association_rejection
] = linux_association_rejection
remarks = "NA"
if linux_mac_disconnect_count == 0 and linux_mac_connected_count == 1:
if linux_disconnect_count == 0 and linux_connected_count == 1:
remarks = "No Disconnections are seen but Client is UP and connected to user given SSID."
elif linux_mac_disconnect_count >= 1 and linux_mac_connected_count == 0:
elif linux_disconnect_count >= 1 and linux_connected_count == 0:
remarks = "The Disconnections are seen but Client did not connected to user given SSID."
if linux_mac_connection_state_unverified:
if linux_connection_state_unverified:
remarks = "Connection state unverified - LANforge API error while double-checking connect count"
device_metrics[str(device_eid)]["Remarks"] = remarks
if linux_mac_connected_count > 0:
if linux_connected_count > 0:
eid_parts = device_eid.split(".")
port_response = self.json_get_with_retry(
f"port/{eid_parts[0]}/{eid_parts[1]}/{eid_parts[2]}?fields=cx time (us)"
Expand Down
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