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List:       asterisk-dev
Subject:    Re: [asterisk-dev] ast_do_masquerade, zombie channels and the ami
From:       Russell Bryant <russell () digium ! com>
Date:       2008-09-17 16:08:09
Message-ID: 8B9196C4-56D7-4415-8525-3F9A0913B8CC () digium ! com
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On Sep 17, 2008, at 4:04 AM, Marcus Hunger wrote:

> Hi,
> I have got a minor problem with ast_do_masquerade. When this  
> function renames channels, in order to mark them as zombies, it  
> appends the string <ZOMBIE> to the name. This is sufficient to  
> recognise these channels with AMI. The problem with this is, that  
> when the length of the channel's name + the length of "<ZOMBIE>"  
> exceeds AST_CHANNEL_NAME, the resulting channelname gets truncated,  
> and so the channel can not be identified using AMI correctly. Trying  
> to keep track of renamed/cloned channels seems difficult enough for  
> me, but when this strange effect occurs, that gets even harder, if  
> not impossible.
>
> I'd like to suggest changing the renaming to something, that keeps  
> the "<ZOMBIE>" suffix intact, so it can be tracked correctly as what  
> it is or introducing another way to track them. Maybe just  
> publishing the effective renaming and omitting the masquerading  
> magic would also be a good solution. A zombie channel does not seem  
> so useful anyway.


How about if on your system you use really long channel names, you  
increase AST_CHANNEL_NAME?

--
Russell Bryant
Senior Software Engineer
Open Source Team Lead
Digium, Inc.





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