[Asterisk-code-review] res pjsip: Refactor endpt send transaction (qualify timeout) (asterisk[13])

[George Joseph]

Hello Joshua Colp,

I'd like you to reexamine a change.  Please visit

    https://gerrit.asterisk.org/492

to look at the new patch set (#3).

Change subject: res_pjsip: Refactor endpt_send_transaction (qualify_timeout)
......................................................................

res_pjsip: Refactor endpt_send_transaction (qualify_timeout)

This patch refactors the transaction timeout processing to eliminate
calling the lower level public pjsip functions and reverts to calling
pjsip_endpt_send_request again.  This is the result of me noticing
a possible incompatibility with pjproject-2.4 which was causing
contact status flapping.

The original version of this feature used the lower level calls to
get access to the tsx structure in order to cancel the transaction
when our own timer expires. Since we no longer have that access,
if our own timer expires before the pjsip timer, we call the callbacks
and just let the pjsip transaction take it's own course.  When the
transaction ends, it discovers the callbacks have already been run
and just cleans itself up.

A few messages in pjsip_configuration were also added/cleaned up.

ASTERISK-25015 #close

Change-Id: I0810f3999cf63f3a72607bbecac36af0a957f33e
Reported-by: George Joseph <george.joseph at fairview5.com>
Tested-by: George Joseph <george.joseph at fairview5.com>
---
M include/asterisk/res_pjsip.h
M res/res_pjsip.c
M res/res_pjsip/pjsip_configuration.c
3 files changed, 202 insertions(+), 154 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/92/492/3
-- 
To view, visit https://gerrit.asterisk.org/492
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I0810f3999cf63f3a72607bbecac36af0a957f33e
Gerrit-PatchSet: 3
Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Owner: George Joseph <george.joseph at fairview5.com>
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>