[Dnsmasq-discuss] Execute external commands on DHCP lease
allocation / deallocation
liste at kurgan.org
Tue Apr 25 09:17:39 BST 2006
I am testing the patched version, and it seems to work.
Here are some suggestions for improvement:
Important: "del" events happen only when some other dhcp event triggers a
pruning of the lease file. This means that when the last client leaves the
network its lease will expire, but no "del" event will be triggered until
a new client connects and asks for a lease. This should be corrected,
since I rely on "del" events to "logically logoff" clients that switch off
without logging off from the captive portal web page (that is, 100% of the
clients). Ideally, delete events should happen as soon as a lease expires,
but a little delay (5 minutes?) can be acceptable in my set-up. I
understand, if I'm not wrong, that this could be achieved by compiling
with "have_broken_rtc", but maybe there is a better solution.
Not-so-important: Maybe you should differentiate, if it's not too hard,
between "add" events triggered by dhcp lease allocations and the "add"
events triggered by leases file being read at startup. This will allow me
to distinguish between "restart-triggered" events and normal client
connection events. It's not necessary to distinguish between "del" events
that happen during normal execution and "del" events that are triggered at
startup, at least for my set-up.
Fabio "Kurgan" Muzzi
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