FreeBSD Port: isc-dhcp41-server-4.1.2,1; Concurrent IPv4 DHCP and DHCPv6

[Douglas Thrift]

On 1/6/2011 7:03 PM, Wesley Shields wrote:
> On Thu, Jan 06, 2011 at 10:01:23PM -0500, Wesley Shields wrote:
>> On Thu, Jan 06, 2011 at 04:49:36PM -0800, Doug Barton wrote:
>>> On 01/05/2011 01:14, Douglas Thrift wrote:
>>>> Hello,
>>>>
>>>> Since ISC dhcpd 4.1 now supports DHCPv6, but a single instance of the
>>>> daemon can't do both IPv4 DHCP and DHCPv6, it would be nice if the rc.d
>>>> script from the port could be configured to start the daemon twice. Has
>>>> anyone thought about this at all or implemented anything?
>>>
>>> I really dislike this trend that we're seeing of individual rc.d scripts 
>>> supporting running multiple versions of the same daemon, but I haven't 
>>> yet found the time to write it up for TPH. The canonical way to do this 
>>> is for the rc.d script to have multiple copies of itself, and then do 
>>> something like:
>>>
>>> name="${0##*/}"
>>>
>>> For this example you could have the port install rc.d/dhcpd by default 
>>> (or whatever the name is, not suggesting a change), and an option to 
>>> also install dhcpd_v6 (perhaps as a symlink). This would make it easy to 
>>> clean up as the additional copy of the script should also be in the plist.
>>
>> I'm not a big fan of the same script running multiple versions of the
>> same daemon either. I do think the symlink and code above is a good
>> solution though.
>>
>>> The other reason I haven't squawked more about this is that for services 
>>> that would like to be able to run an arbitrary number of the same daemon 
>>> the servicename_N_{flags|pidfile|etc} method works, and eliminates the 
>>> problem of leaving behind multiple numbers of the script after port 
>>> deinstall. But for something like this where we're discussing a fixed 
>>> (and small) number of copies it's better to have this done the "right" way.
>>
>> I didn't know servicename_N_foo existed. I still like the symlink
>> approach. I can certainly add that to the port in the future.
> 
> Forgot to mention... Could you please submit a PR for this so that it
> does not end up lost?
> 
> -- WXS
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I've submitted a PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/153781
-- 
Douglas William Thrift
<douglaswth at gmail.com>
<http://douglasthrift.net/>