Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-08 Thread Matthew Fredrickson


On Nov 8, 2006, at 9:44 AM, Kevin P. Fleming wrote:


Tzafrir Cohen wrote:
Note that I don't aim that high. I just aim at keeping this option 
open

(let alone making 'reload chan_zap.so' work as defined).


As the US Air Force recruitment ads say: AIM HIGH!

Seriously... lots of people will be very happy if someone out there can
find the time to re-do chan_zap's config system to make it compatible
with the rest of Asterisk, compatible with Realtime (for those who want
to use it) and easier to manage from automated maintenance tools like
GUIs. It's on our internal list of projects, but it's there with 30+
other things that are probably going to happen first...


Yeah, to be honest, I've been saving such major changes to config files 
and such for whenever I can start working on a new version of chan_zap 
that would replace it (or supersede it) for some configurations.  There 
is a lot of reorganizational work that should be done, and personally I 
think we need to break the CCS signalling protocols (ISDN/SS7) out into 
another channel driver.  There are things more important than the 
config file format that I would like to see change in chan_zap.


Matthew Fredrickson

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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-08 Thread Tzafrir Cohen
On Wed, Nov 08, 2006 at 09:44:54AM -0600, Kevin P. Fleming wrote:
> Tzafrir Cohen wrote:
> > Note that I don't aim that high. I just aim at keeping this option open
> > (let alone making 'reload chan_zap.so' work as defined).
> 
> As the US Air Force recruitment ads say: AIM HIGH!

But first I'd like to fix bugs. The current implementation is buggy, and
I have suggested a simple way to fix it. It has some other nice side
effect for future modifications, but my short-term aim is simpler.

The long-term goal and short-term goal are not exactly conflicting here.

> 
> Seriously... lots of people will be very happy if someone out there can
> find the time to re-do chan_zap's config system to make it compatible
> with the rest of Asterisk, compatible with Realtime (for those who want
> to use it) and easier to manage from automated maintenance tools like
> GUIs. It's on our internal list of projects, but it's there with 30+
> other things that are probably going to happen first...

Naturally...

-- 
   Tzafrir Cohen   
icq#16849755jabber:[EMAIL PROTECTED]
+972-50-7952406   mailto:[EMAIL PROTECTED]   
http://www.xorcom.com  iax:[EMAIL PROTECTED]/tzafrir
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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-08 Thread Kevin P. Fleming
Tzafrir Cohen wrote:
> Note that I don't aim that high. I just aim at keeping this option open
> (let alone making 'reload chan_zap.so' work as defined).

As the US Air Force recruitment ads say: AIM HIGH!

Seriously... lots of people will be very happy if someone out there can
find the time to re-do chan_zap's config system to make it compatible
with the rest of Asterisk, compatible with Realtime (for those who want
to use it) and easier to manage from automated maintenance tools like
GUIs. It's on our internal list of projects, but it's there with 30+
other things that are probably going to happen first...
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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-06 Thread Eric "ManxPower" Wieling

Why not allow group= or make group 0 mean "no group".

What I do is set channels that I don't want in a group to be group 0 and 
never use g0 anywhere


Nic Bellamy wrote:

Olle E Johansson wrote:



5 nov 2006 kl. 16.43 skrev Gil Kloepfer:


I've discovered that in configuration files such as the one for
chan_zap (where all the options "cascade down" rather than being
specific for each category, there is no way to indicate that
channels have no pick-up group after the first group has been
set.  For example (simplified), in zapata.conf:

  [channels]
  ; These two phones are in call group/pick-up group #1
  callerid="Green Phone"<(256) 428-6121>
  callgroup=1
  pickupgroup=1
  channel => 1
  callerid="Black Phone"<(256) 428-6122>
  channel => 2

  ; These three channels should not be in ANY pick-up groups, but  there
  ; is no way to clear the previous settings
  callerid="CallerID Phone" <(256) 428-6123>
  channel => 3
  callerid="CallerID Phone" <(256) 704-4666>
  channel => 4
  callerid="CallerID Phone" <(630) 372-1564>
  channel => 5

In the case of channels 3, 4, and 5, there is no valid way to  "clear 
out"

the "current" callgroup / pickupgroup without encountering an error
(you could say pickupgroup=none, but that actually throws an error
from ast_get_group(), although it happens to work).

I'd like to propose making a change to ast_get_group() to allow
the option "none" that returns a ast_group_t containing no groups set,
basically zero.  So you could say 'callgroup=none' for example.

Note that callgroup=0 would not do what I am suggesting because 0 is
a valid group number.  The group/callgroup/pickupgroup is actually a
bit mask (bits numbered 0 to 63).

If this seems reasonable, please indicate so and I will submit a patch
for both 1.2 and -trunk (they are essentially the same patch).


Sounds very reasonable. Whether we can see this as a bug or a new
feature is up to Russell to decide. If it's a bug fix, which I think,  
we need

patches for the 1.2 and 1.4 branches plus trunk. Please open an issue
in the bug tracker, upload patches and we'll discuss there.


I've been trying to think of an easy, minimal-change way out of the 
zapata.conf inheritence problem (since it's not just pickupgroups that 
have this behaviour, it's just worse with that since you can't reset it 
at present).


What about something simple like a "resetdefaults" item that will 
restore all zapata.conf settings to hardcoded defaults, and clear out 
the pickupgroup/callgroup stuff?


Ie.

   pickupgroup=1
   callgroup=1
   channel => 1-3

   resetdefaults=yes ; likely need the =yes since it's key=value based

   otherconfig=123
   channel => 4

This wouldn't break any existing configs out there, since it'd only 
happen if you explicitly used resetdefaults.


Thoughts? Or shall I just whip up a patch? :-)

Regards,
   Nic.



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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-06 Thread Tzafrir Cohen
On Tue, Nov 07, 2006 at 09:17:18AM +1300, Nic Bellamy wrote:
> Olle E Johansson wrote:
> 
> >
> >5 nov 2006 kl. 16.43 skrev Gil Kloepfer:
> >
> >>I've discovered that in configuration files such as the one for
> >>chan_zap (where all the options "cascade down" rather than being
> >>specific for each category, there is no way to indicate that
> >>channels have no pick-up group after the first group has been
> >>set.  For example (simplified), in zapata.conf:
> >>
> >>  [channels]
> >>  ; These two phones are in call group/pick-up group #1
> >>  callerid="Green Phone"<(256) 428-6121>
> >>  callgroup=1
> >>  pickupgroup=1
> >>  channel => 1
> >>  callerid="Black Phone"<(256) 428-6122>
> >>  channel => 2
> >>
> >>  ; These three channels should not be in ANY pick-up groups, but  there
> >>  ; is no way to clear the previous settings
> >>  callerid="CallerID Phone" <(256) 428-6123>
> >>  channel => 3
> >>  callerid="CallerID Phone" <(256) 704-4666>
> >>  channel => 4
> >>  callerid="CallerID Phone" <(630) 372-1564>
> >>  channel => 5
> >>
> >>In the case of channels 3, 4, and 5, there is no valid way to  "clear 
> >>out"
> >>the "current" callgroup / pickupgroup without encountering an error
> >>(you could say pickupgroup=none, but that actually throws an error
> >>from ast_get_group(), although it happens to work).
> >>
> >>I'd like to propose making a change to ast_get_group() to allow
> >>the option "none" that returns a ast_group_t containing no groups set,
> >>basically zero.  So you could say 'callgroup=none' for example.
> >>
> >>Note that callgroup=0 would not do what I am suggesting because 0 is
> >>a valid group number.  The group/callgroup/pickupgroup is actually a
> >>bit mask (bits numbered 0 to 63).
> >>
> >>If this seems reasonable, please indicate so and I will submit a patch
> >>for both 1.2 and -trunk (they are essentially the same patch).
> >
> >Sounds very reasonable. Whether we can see this as a bug or a new
> >feature is up to Russell to decide. If it's a bug fix, which I think,  
> >we need
> >patches for the 1.2 and 1.4 branches plus trunk. Please open an issue
> >in the bug tracker, upload patches and we'll discuss there.

Actually, the format there is fine: just set:

  callgroup=

Sadly, parsing this will not yield the expected result. Seems to be that
ast_set_group does not know how to parse an empty string correctly.

> 
> I've been trying to think of an easy, minimal-change way out of the 
> zapata.conf inheritence problem (since it's not just pickupgroups that 
> have this behaviour, it's just worse with that since you can't reset it 
> at present).
> 
> What about something simple like a "resetdefaults" item that will 
> restore all zapata.conf settings to hardcoded defaults, and clear out 
> the pickupgroup/callgroup stuff?
> 
> Ie.
> 
>pickupgroup=1
>callgroup=1
>channel => 1-3
> 
>resetdefaults=yes ; likely need the =yes since it's key=value based
> 
>otherconfig=123
>channel => 4
> 
> This wouldn't break any existing configs out there, since it'd only 
> happen if you explicitly used resetdefaults.
> 
> Thoughts? Or shall I just whip up a patch? :-)

It should be rather trivial to reset almost anything once
http://bugs.digium.com/view.php?id=7877 is commited. The code would be
in the lines of:

  if (!strcasecmp(v->name, "resetconfig"))
chan_conf = zt_chan_conf_default();

However, suggestion like that make it obvious that the configuration of 
chan_zap needs revision. It is impossible to automatically edit that file 
because every change has side effects.

So there's now way you could "just add" a channel or a span.
genzaptelconf takes a very defensive approach and sets every value it
touches even if it is irrelevant, because you can't assume a sane
default.

-- 
   Tzafrir Cohen   
icq#16849755jabber:[EMAIL PROTECTED]
+972-50-7952406   mailto:[EMAIL PROTECTED]   
http://www.xorcom.com  iax:[EMAIL PROTECTED]/tzafrir
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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-06 Thread Rod Dorman
On Monday, November 6, 2006, 15:17:18, Nic Bellamy wrote:
>   ...
> I've been trying to think of an easy, minimal-change way out of the
> zapata.conf inheritence problem (since it's not just pickupgroups that 
> have this behaviour, it's just worse with that since you can't reset it 
> at present).
>
> What about something simple like a "resetdefaults" item that will 
> restore all zapata.conf settings to hardcoded defaults, and clear out 
> the pickupgroup/callgroup stuff?
> Ie.
> pickupgroup=1
> callgroup=1
> channel => 1-3
> resetdefaults=yes ; likely need the =yes since it's key=value based
> otherconfig=123
> channel => 4

What about just setting it to an empty value?
e.g.
   pickupgroup =
 -or-
   pickupgroup = ""   (or some other empty value designation)

That way you could reset just the ones you want to.


-- 
[EMAIL PROTECTED] "The avalanche has already started, it is too
Rod Dorman  late for the pebbles to vote." - Ambassador Kosh

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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-06 Thread Nic Bellamy

Olle E Johansson wrote:



5 nov 2006 kl. 16.43 skrev Gil Kloepfer:


I've discovered that in configuration files such as the one for
chan_zap (where all the options "cascade down" rather than being
specific for each category, there is no way to indicate that
channels have no pick-up group after the first group has been
set.  For example (simplified), in zapata.conf:

  [channels]
  ; These two phones are in call group/pick-up group #1
  callerid="Green Phone"<(256) 428-6121>
  callgroup=1
  pickupgroup=1
  channel => 1
  callerid="Black Phone"<(256) 428-6122>
  channel => 2

  ; These three channels should not be in ANY pick-up groups, but  there
  ; is no way to clear the previous settings
  callerid="CallerID Phone" <(256) 428-6123>
  channel => 3
  callerid="CallerID Phone" <(256) 704-4666>
  channel => 4
  callerid="CallerID Phone" <(630) 372-1564>
  channel => 5

In the case of channels 3, 4, and 5, there is no valid way to  "clear 
out"

the "current" callgroup / pickupgroup without encountering an error
(you could say pickupgroup=none, but that actually throws an error
from ast_get_group(), although it happens to work).

I'd like to propose making a change to ast_get_group() to allow
the option "none" that returns a ast_group_t containing no groups set,
basically zero.  So you could say 'callgroup=none' for example.

Note that callgroup=0 would not do what I am suggesting because 0 is
a valid group number.  The group/callgroup/pickupgroup is actually a
bit mask (bits numbered 0 to 63).

If this seems reasonable, please indicate so and I will submit a patch
for both 1.2 and -trunk (they are essentially the same patch).


Sounds very reasonable. Whether we can see this as a bug or a new
feature is up to Russell to decide. If it's a bug fix, which I think,  
we need

patches for the 1.2 and 1.4 branches plus trunk. Please open an issue
in the bug tracker, upload patches and we'll discuss there.


I've been trying to think of an easy, minimal-change way out of the 
zapata.conf inheritence problem (since it's not just pickupgroups that 
have this behaviour, it's just worse with that since you can't reset it 
at present).


What about something simple like a "resetdefaults" item that will 
restore all zapata.conf settings to hardcoded defaults, and clear out 
the pickupgroup/callgroup stuff?


Ie.

   pickupgroup=1
   callgroup=1
   channel => 1-3

   resetdefaults=yes ; likely need the =yes since it's key=value based

   otherconfig=123
   channel => 4

This wouldn't break any existing configs out there, since it'd only 
happen if you explicitly used resetdefaults.


Thoughts? Or shall I just whip up a patch? :-)

Regards,
   Nic.

--
Nic Bellamy,
Head Of Engineering, Vadacom Ltd - http://www.vadacom.co.nz/

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Re: [asterisk-dev] Clearing pick-up groups on Zap/ channels

2006-11-06 Thread Olle E Johansson


5 nov 2006 kl. 16.43 skrev Gil Kloepfer:


I've discovered that in configuration files such as the one for
chan_zap (where all the options "cascade down" rather than being
specific for each category, there is no way to indicate that
channels have no pick-up group after the first group has been
set.  For example (simplified), in zapata.conf:

  [channels]
  ; These two phones are in call group/pick-up group #1
  callerid="Green Phone"<(256) 428-6121>
  callgroup=1
  pickupgroup=1
  channel => 1
  callerid="Black Phone"<(256) 428-6122>
  channel => 2

  ; These three channels should not be in ANY pick-up groups, but  
there

  ; is no way to clear the previous settings
  callerid="CallerID Phone" <(256) 428-6123>
  channel => 3
  callerid="CallerID Phone" <(256) 704-4666>
  channel => 4
  callerid="CallerID Phone" <(630) 372-1564>
  channel => 5

In the case of channels 3, 4, and 5, there is no valid way to  
"clear out"

the "current" callgroup / pickupgroup without encountering an error
(you could say pickupgroup=none, but that actually throws an error
from ast_get_group(), although it happens to work).

I'd like to propose making a change to ast_get_group() to allow
the option "none" that returns a ast_group_t containing no groups set,
basically zero.  So you could say 'callgroup=none' for example.

Note that callgroup=0 would not do what I am suggesting because 0 is
a valid group number.  The group/callgroup/pickupgroup is actually a
bit mask (bits numbered 0 to 63).

If this seems reasonable, please indicate so and I will submit a patch
for both 1.2 and -trunk (they are essentially the same patch).

Sounds very reasonable. Whether we can see this as a bug or a new
feature is up to Russell to decide. If it's a bug fix, which I think,  
we need

patches for the 1.2 and 1.4 branches plus trunk. Please open an issue
in the bug tracker, upload patches and we'll discuss there.

/O
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