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Enhance device down event handling for sleeping devices and improve down alerts query

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Jokob @NetAlertX
2026-03-02 10:05:37 +00:00
parent 67aa46f1cf
commit 3a73817048
5 changed files with 229 additions and 54 deletions
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25
server/scan/session_events.py
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@@ -169,20 +169,39 @@ def insert_events(db):
sql = db.sql # TO-DO
startTime = timeNowUTC()
# Check device down
mylog("debug", "[Events] - 1 - Devices down")
# Check device down – non-sleeping devices (immediate on first absence)
mylog("debug", "[Events] - 1a - Devices down (non-sleeping)")
sql.execute(f"""INSERT OR IGNORE INTO Events (eve_MAC, eve_IP, eve_DateTime,
eve_EventType, eve_AdditionalInfo,
eve_PendingAlertEmail)
SELECT devMac, devLastIP, '{startTime}', 'Device Down', '', 1
FROM DevicesView
WHERE devAlertDown != 0
AND devIsSleeping = 0
AND devCanSleep = 0
AND devPresentLastScan = 1
AND NOT EXISTS (SELECT 1 FROM CurrentScan
WHERE devMac = scanMac
) """)
# Check device down – sleeping devices whose sleep window has expired
mylog("debug", "[Events] - 1b - Devices down (sleep expired)")
sql.execute(f"""INSERT OR IGNORE INTO Events (eve_MAC, eve_IP, eve_DateTime,
eve_EventType, eve_AdditionalInfo,
eve_PendingAlertEmail)
SELECT devMac, devLastIP, '{startTime}', 'Device Down', '', 1
FROM DevicesView
WHERE devAlertDown != 0
AND devCanSleep = 1
AND devIsSleeping = 0
AND devPresentLastScan = 0
AND NOT EXISTS (SELECT 1 FROM CurrentScan
WHERE devMac = scanMac)
AND NOT EXISTS (SELECT 1 FROM Events
WHERE eve_MAC = devMac
AND eve_EventType = 'Device Down'
AND eve_DateTime >= devLastConnection
) """)
# Check new Connections or Down Reconnections
mylog("debug", "[Events] - 2 - New Connections")
sql.execute(f""" INSERT OR IGNORE INTO Events (eve_MAC, eve_IP, eve_DateTime,