On 11/26/2012 11:20 AM, Tom Eastep wrote:
> On 11/26/2012 10:55 AM, Mr Dash Four wrote:
>>
>>>> Indeed. It works, though I have another question regarding macros:
>>>> since these are included in the chain 'inline' so to speak, is it
>>>> possible for a macro to get the name of the chain in which this
>>>> particular macro is going to be 'inlined'?
>>>>
>>>
>>> It would be possible but I don't think that it is desirable.
>> Eh? Who decides what is "desirable" and what isn't?
>>
>> If I, as end-user, wish to create a macro, which has different switches
>> for different chains (so that I switch them "on" and "off" if and when I
>> well so please), I could do so, like:
>>
>> M_DROP
>> ~~~~~~~
>> LOG
>> NFLOG(1,0,1) - .... ${chain}_nflog_drop
>>
>>
> ...
>
>> You may wish to leave the current implementation of a "macro" as it is
>> and add a new type of action (call it inline action or whatever) and
>> start afresh if that would be easier, instead of dragging the millstone
>> of backward compatibility with you by sticking with the old "macro"
>> definition. This, though, is a decision for you to make.
>
> I misunderstood your original request; I thought that you were asking
> for the compiler to always qualify switch names by the chain name.
>
> What you are proposing above doesn't work in the general case, given the
> current compiler architecture. Currently, variable expansion takes place
> in the preprocessor which has no knowledge of chains, macros, etc. The
> chain isn't known until the input line handed to it by the preprocessor
> is parsed by rule processor.
>
> Within the body of a macro or an action, however, the chain name is
> known. So if we limit the availability of $chain (or whatever we call
> it), to macro and action bodies, would that meet your needs?Actually, the chain name is only known within the body of an action or within a macro expansion occurring within the body of an action. -Tom -- Tom Eastep \ When I die, I want to go like my Grandfather who Shoreline, \ died peacefully in his sleep. Not screaming like Washington, USA \ all of the passengers in his car http://shorewall.net \________________________________________________ ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Shorewall-devel mailing list Shorewall-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/shorewall-devel
