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| Code Block |
|---|
+----------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +----------+-------------+------+-----+---------+-------+ | ipv4Addr | varchar(15) | | PRI | | | | downDays | int(11) | YES | | NULL | | | upDays | int(11) | YES | | NULL | | | comments | varchar(11) | YES | | NULL | | +----------+-------------+------+-----+---------+-------+ |
If the disabled landmark replies and passes the above mentioned pseudo , we increment the upDays by 1, change value of downDays to 0 and put in the comment that weather the host passed the test or IP was responding. In the same manner if the host fails the test we increment downDays by 1 and mark upDays as 0. With this counter technique at any instant of time we can have an hawk eye view and enable the host if its up for a longer period of time.