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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/3404/">https://reviewboard.asterisk.org/r/3404/</a>
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<div>Review request for Asterisk Developers.</div>
<div>By Italo Rossi.</div>
<p style="color: grey;"><i>Updated April 1, 2014, 2:17 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Changes</h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Fixing bugs link.</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-23547">ASTERISK-23547</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">If you have only realtime members in queue 'sales', for example, and callers are waiting on this queue, when you do 'module reload app_queue.so' all the callers will be removed with EXITEMPTY reason.
The problem is when we reload app_queue, the function:
static int mark_member_dead(void *obj, void *arg, int flags)
{
struct member *member = obj;
if (!member->dynamic) {
member->delme = 1;
}
return 0;
}
is called and mark the static AND REALTIME members as dead.
At the same time, the remaining callers on queue are checking if there are available members through the function get_member_status. This functions iterate over all members of the queue and will return 0 if there are available members, or -1 if there's no members available.
If you have one realtime member with status inuse and the queue is configured with leavewhenempty=penalty,invalid, for example, the callers will join this queue and will keep waiting for an available member.
Before the reload, the get_member_status will always return 0, because there is one available member with status inuse, but when you reload the app_queue.so, the realtime member will be removed by mark_member_dead (and kill_dead_members) function and the callers waiting on queue will leave with reason EXITEMPTY because get_member_status doesn't iterate over members (there's no members at this time) and returns -1.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I've tested the main operations:
adding/removing dynamic members
adding/removing static members
adding/removing realtime members
All worked.
Tested reloading module with calls waiting on queues, all worked.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.8/apps/app_queue.c <span style="color: grey">(411294)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3404/diff/" style="margin-left: 3em;">View Diff</a></p>
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