[Freeswitch-users] B-Leg / A-Leg Race Condition

Mike Burlingame mike.burlingame at me.com
Wed Sep 5 22:37:33 MSD 2012 

The change seems to have broken the ability for the call to connect - would you like me to open a jira up with the current log files or before the change was made today?

commit d45db898339e1b2212f5befff1af714abcec034f
Author: Anthony Minessale <anthm at freeswitch.org>
Date:   Wed Sep 5 13:11:32 2012 -0500

  0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE sip:+13605551212 at A-LEG:5060, with session description
  0.002715 FreeSwitch -> A-LEG SIP Status: 100 Trying
  0.062694 FreeSwitch -> B-Leg SIP/SDP Request: INVITE sip:13605551212 at B-Leg, with session description
  0.062976 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
  0.238255 B-Leg -> FreeSwitch SIP Status: 180 Ringing
  0.239830 FreeSwitch -> A-LEG SIP Status: 180 Ringing
  0.456828 B-Leg -> FreeSwitch SIP Status: 180 Ringing
  4.642993 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
  5.637738 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
  5.638091 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
  6.037804 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
  6.839818 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
  8.438750 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 11.638797 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 24.925970 FreeSwitch -> A-LEG SIP Status: 480 Temporarily Unavailable
 24.926257 A-LEG -> FreeSwitch SIP Request: ACK sip:+13605551212 at A-LEG:5060
 24.926321 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
 24.926580 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
 24.927029 B-Leg -> FreeSwitch SIP Status: 481 Call leg/transaction does not exist
 27.078016 A-LEG -> FreeSwitch SIP/SDP Request: INVITE sip:+13605551212 at A-LEG:5060, with session description
 27.078467 FreeSwitch -> A-LEG SIP Status: 100 Trying
 27.123233 FreeSwitch -> B-Leg SIP/SDP Request: INVITE sip:13605551212 at B-Leg, with session description
 27.123445 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
 27.315802 B-Leg -> FreeSwitch SIP Status: 180 Ringing
 27.317391 FreeSwitch -> A-LEG SIP Status: 180 Ringing
 27.529142 B-Leg -> FreeSwitch SIP Status: 180 Ringing
 31.520118 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 31.769831 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 31.920832 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 32.319816 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 33.120808 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 34.720813 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 37.920852 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
 49.362647 A-LEG -> FreeSwitch SIP Request: CANCEL sip:+13605551212 at A-LEG:5060
 49.362952 FreeSwitch -> A-LEG SIP Status: 200 OK
 49.363196 FreeSwitch -> A-LEG SIP Status: 487 Request Terminated
 49.363307 A-LEG -> FreeSwitch SIP Request: ACK sip:+13605551212 at A-LEG:5060
 49.365975 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
 49.366171 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
 49.366522 B-Leg -> FreeSwitch SIP Status: 481 Call leg/transaction does not exist


On Sep 5, 2012, at 11:10 AM, Anthony Minessale <anthony.minessale at gmail.com> wrote:

> update and try again, if it still doesn't work open a jira
> 
> 
> On Wed, Sep 5, 2012 at 12:18 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>> as promised here is the update testing and enabling
>> {sip_wait_for_aleg_ack=true} causes a log delay before the audio starts to
>> flow to the B-Leg endpoint with multi 200 OK's being sent to FS from the
>> B-Leg as well as an abnormally long delay in getting an ACK from the A-Leg
>> 
>> I can open a JIRA case on this and provide the console log file / PCAP's ect
>> if that would help
>> 
>> 
>> Call Flow with out {sip_wait_for_aleg_ack=true}
>>  0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE
>> sip:+13605551212 at A-LEG:5060, with session description
>>  0.000652 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>  0.042837 FreeSwitch -> B-Leg SIP/SDP Request: INVITE
>> sip:13605551212 at B-Leg, with session description
>>  0.043059 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>  0.290947 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>  0.292890 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>  0.490220 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>  4.481038 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  4.482310 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>>  4.483474 FreeSwitch -> A-LEG SIP/SDP Status: 200 OK, with session
>> description
>>  4.533691 A-LEG -> FreeSwitch SIP Request: ACK
>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>> 19.953061 A-LEG -> FreeSwitch SIP Request: BYE
>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>> 19.954592 FreeSwitch -> A-LEG SIP Status: 200 OK
>> 19.955454 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>> 19.956014 B-Leg -> FreeSwitch SIP Status: 200 OK
>> 
>> Call Flow with {sip_wait_for_aleg_ack=true} enabled
>>  0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE
>> sip:+13605551212 at A-LEG:5060, with session description
>>  0.000651 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>  0.039455 FreeSwitch -> B-Leg SIP/SDP Request: INVITE
>> sip:13605551212 at B-Leg, with session description
>>  0.039709 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>  0.244269 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>  0.245607 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>  0.363325 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>  4.718173 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  4.918915 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  5.117917 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  5.518902 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  6.318053 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>>  7.917921 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>> 11.118917 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>> description
>> 15.102917 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>> 15.104488 FreeSwitch -> A-LEG SIP/SDP Status: 200 OK, with session
>> description
>> 15.173265 A-LEG -> FreeSwitch SIP Request: ACK
>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>> 29.566504 A-LEG -> FreeSwitch SIP Request: BYE
>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>> 29.568902 FreeSwitch -> A-LEG SIP Status: 200 OK
>> 29.570603 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>> 29.571240 B-Leg -> FreeSwitch SIP Status: 200 OK
>> 
>> On Aug 31, 2012, at 1:52 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>> 
>> No worries I will be out this weekend for the long weekend I will work on
>> getting the test box upgraded and a test case setup on Tuesday I will report
>> back the results mid to late next week and provided everything works as I
>> hope it will I will be happy to pay the Wiki tax :)
>> 
>> 
>> On Aug 31, 2012, at 1:42 PM, Michael Collins <msc at freeswitch.org> wrote:
>> 
>> 
>> 
>> On Fri, Aug 31, 2012 at 12:59 PM, Mike Burlingame <mike.burlingame at me.com>
>> wrote:
>>> 
>>> Cool I will nail that up on my test box and see if that works
>>> 
>> Please report back on whether it works or not and then be prepared to pay
>> the wiki tax. :) I'll be glad to assist with getting this documented
>> although I think you're in the best position to give that documentation some
>> real-world context.
>> 
>> -MC
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> 
> 
> 
> -- 
> Anthony Minessale II
> 
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