[asterisk-bugs] [Asterisk 0015684]: [patch] different 'ringt' timeout counting styles througout chan_dahdi/sig_analog code

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15684 
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Reported By:                alecdavis
Assigned To:                
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Project:                    Asterisk
Issue ID:                   15684
Category:                   Channels/chan_dahdi
Reproducibility:            N/A
Severity:                   text
Priority:                   normal
Status:                     new
Asterisk Version:           SVN 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!): 211232 
Request Review:              
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Date Submitted:             2009-08-09 05:29 CDT
Last Modified:              2009-08-10 03:54 CDT
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Summary:                    [patch] different 'ringt' timeout counting styles
througout chan_dahdi/sig_analog code
Description: 
Below are the three styles I've found.
All trying to achive very close to the same thing, to timeout 'ringt'.
<pre>
<u>Style 1:</u>
if (analog_p->ringt) {
    analog_p->ringt--;
}
if (analog_p->ringt == 1) {
    return -1;
}

<u>Style 2:</u>
if (p->ringt)
   p->ringt--;
   if (p->ringt == 1) {
       res = -1;
       break;
   }
}

<u>Style 3:</u>
if (p->ringt == 1) {
    ast_mutex_unlock(&p->lock);
    return NULL;
}
else if (p->ringt > 0)
    p->ringt--;
</pre>

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 (0108834) alecdavis (reporter) - 2009-08-10 03:54
 https://issues.asterisk.org/view.php?id=15684#c108834 
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please remove chan_dahdi.bug15684.diff.txt

uploaded chan_dahdi.bug15684.diff2.txt
uses the style below<pre>
if (p->ringt > 0) {
	if (!(--p->ringt)) {
		ast_mutex_unlock(&p->lock);
		return NULL;
	}
}</pre>
Further study of code and I realised we only want to execute the timeout
code if we've had a previous ring event.

tested for ringtimeout (aborted inbound calls).
tested callerid is correctly read. 

Issue History 
Date Modified    Username       Field                    Change               
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2009-08-10 03:54 alecdavis      Note Added: 0108834                          
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