Date: Fri, 07 Jan 2011 20:57:09 +0100 From: Olli Hauer <ohauer@FreeBSD.org> To: Doug Barton <dougb@FreeBSD.org> Cc: ports@FreeBSD.org, wxs@FreeBSD.org, Douglas Thrift <douglas@douglasthrift.net> Subject: Re: FreeBSD Port: isc-dhcp41-server-4.1.2,1; Concurrent IPv4 DHCP and DHCPv6 Message-ID: <4D277015.8010107@FreeBSD.org> In-Reply-To: <4D266320.2020803@FreeBSD.org> References: <4D243672.4040803@douglasthrift.net> <4D266320.2020803@FreeBSD.org>
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On 2011-01-07 01:49, 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.
>
> 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.
>
>
> hth,
>
> Doug
Maybe something like the apache22 rc script will work.
Apache22 can start more than one instance and it is easy to control
all or only a single instance with the apache rc script.
And the best, it works without links
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