[asterisk-dev] [Code Review] Preserve user defined CDR information after a Local channel is masqueraded

[rmudgett]

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Ship it!


- rmudgett


On June 14, 2012, 3:52 p.m., Matt Jordan wrote:
> 
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> https://reviewboard.asterisk.org/r/1985/
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> (Updated June 14, 2012, 3:52 p.m.)
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> 
> Review request for Asterisk Developers, Terry Wilson, Tilghman Lesher, and rmudgett.
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> 
> Summary
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> This patch preserves CDR information that was set on a Local channel before it is masqueraded into by another channel.  This includes accountcode, peeraccount, userfield, amaflags, and any variables that were set.
> 
> Consider a scenario in which a Local channel bridges two SIP channels (possibly the result of a channel originate Local/foo at default extension bar at default).  This would look something like the following:
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> SIP/A <--> Local;1 <> Local;2 <--> SIP/B
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> In this scenario, currently, the only opportunity for setting CDR information on the resulting call occurs on the Local channels - both SIP channels are created as the result of outbound calls.  As a result, it is desirable to have the CDR information that was set on the Local channel, i.e., Local;2, persist through the masquerade.  At the same time, most of the CDR information, e.g., caller ID information, channel information, etc., should be swapped with the channel being masqueraded away.
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> This patch does this by copying over the information in local_fixup - this is only an improvement that should be done with respect to local channels.  This should prevent impacting other masquerade operations (such as on SIP transfers).
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> 
> Diffs
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>   /branches/1.8/channels/chan_local.c 368965 
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> Diff: https://reviewboard.asterisk.org/r/1985/diff
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> Testing
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> Tested the following scenario:
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> exten => 100,1,NoOp()
>      same => n,Set(CDR(userfield)=foo)
>      same => n,Dial(SIP/A)
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> exten => 101,1,NoOp()
>      same => n,Set(CDR(userfield)=bar)
>      same => n,Dial(SIP/B)
> 
> Performing "channel originate Local/100 at default extension 101 at default" prior to the patch would produce the following CDR record:
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> "","","100","default","","Local/100 at default-5160,2","SIP/A-00000000","Dial","SIP/A","2012-06-11 19:10:40","2012-06-11 19:10:42","2012-06-11 19:10:42",2,0,"ANSWERED","DOCUMENTATION","1339441840.1","foo"
> "","100","101","default","100","SIP/A-00000000","SIP/B-00000001","Dial","SIP/B","2012-06-11 19:10:42","2012-06-11 19:10:43","2012-06-11 19:10:45",3,2,"ANSWERED","DOCUMENTATION","1339441840.2",""
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> Performing the same post patch produces the following CDR:
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> "","","100","default","","Local/100 at default-5160,2","SIP/A-00000000","Dial","SIP/A","2012-06-11 19:10:40","2012-06-11 19:10:42","2012-06-11 19:10:42",2,0,"ANSWERED","DOCUMENTATION","1339441840.1","foo"
> "","100","101","default","100","SIP/A-00000000","SIP/B-00000001","Dial","SIP/B","2012-06-11 19:10:42","2012-06-11 19:10:43","2012-06-11 19:10:45",3,2,"ANSWERED","DOCUMENTATION","1339441840.2","bar"
> 
> 
> Thanks,
> 
> Matt
> 
>

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