[reSIProcate] Route Set problem with Update in resip 1.1 RC1
Kovar, William (Bill)
bkovar at avaya.com
Wed Mar 7 15:36:24 CST 2007
The basic rule is:
Once the route set is computed (from an initial INVITE or response that
creates a dialog) it doesn't change.
Only the remote target can change.
So this in-dialog Update shouldn't be doing this....
Bill Kovar
bkovar at avaya.com
Avaya, Inc.
(732) 852-2609
_____
From: Byron Campen [mailto:bcampen at estacado.net]
Sent: Wednesday, March 07, 2007 4:31 PM
To: Kovar, William (Bill)
Cc: resiprocate-devel at list.resiprocate.org
Subject: Re: [reSIProcate] Route Set problem with Update in
resip 1.1 RC1
This is interesting. I do not think it would be correct to
change the Record-Route stack to reflect the Route set in the dialog.
Obviously something in the middle is confused if this happens, and
changing the Record-Route stack in the response is liable to confuse it
even further. Both endpoints should just ignore the Record-Route
header-field-values entirely, I think.
Any other opinions?
Best regards,
Byron Campen
There seems to be another problem with Record Route
processing.
After an established dialog, an Update is received that
runs through Helper::makeResponse() to build a 200 msg that does not
contain the correct Route Set.
I had found this error in a different scenario, i.e. a
response, which is fixed. Now I see this in an Update, i.e. a request.
I believe the problem is at Helper.cxx line 410
Here's a log snip, correct route set in ACK in blue, bad
route set in 200 OK in red for same call-id:
![2007-03-07 20:14:53.258] <2952:RESIP:TRANSPORT>
DEBUG | TransportSelector.cxx:869 | Transmitting to [ V4
135.8.52.181:5060 UDP target domain=135.8.52.181 received on: Transport:
[ V4 0.0.0.0:5060 UDP target domain=unspecified connectionId=0 ]
connectionId=0 ] tlsDomain= via [ V4 135.8.116.33:5060 UDP target
domain=135.8.52.181 connectionId=0 ]
ACK sip:76800 at avaya.com:5061;transport=tls SIP/2.0
Via: SIP/2.0/UDP
135.8.116.33:5060;branch=z9hG4bK-d8754z-b20c1e5c1c57e971-1---d8754z-;rpo
rt
Max-Forwards: 70
Route: <sip:135.8.52.181:5060;lr>
Route: <sip:135.8.83.172:5061;lr;transport=tls>
Contact: <sip:56000 at 135.8.116.33:5060>
To: <sip:76800 at avaya.com>;tag=0945f2f40dddb181b46f94dc00
From: "IC 7.1 B2B"<sip:56000 at avaya.com>;tag=b855e212
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 2 ACK
Content-Type: application/sdp
Proxy-Authorization: Digest
username="56000",realm="avaya.com",nonce="MTE3MzMzMTA4NTpTREZTZXJ2ZXJTZW
NyZXRLZXk6NzQ1MTU0ODc4",uri="sip:76800 at avaya.com",response="e1bdfe0882c0
87d5334812ad288f7c60",algorithm=MD5
User-Agent: AvSIP 1.04.2
Content-Length: 202
v=0
o=- 1 2 IN IP4 135.8.83.172
s=-
c=IN IP4 135.8.83.133
t=0 0
m=audio 36456 RTP/AVP 0 18 127
a=fmtp:18 annexb=no
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=rtpmap:127 telephone-event/8000
![2007-03-07 20:14:53.258] <2952:RESIP:TRANSPORT>
DEBUG | Transport.cxx:213 | Adding message to tx buffer to: [ V4
135.8.52.181:5060 UDP target domain=135.8.52.181 received on: Transport:
[ V4 0.0.0.0:5060 UDP target domain=unspecified connectionId=0 ]
connectionId=0 ]
![2007-03-07 20:14:53.305] <2952:RESIP:TRANSPORT>
DEBUG | Transport.cxx:287 | incoming from: [ V4 135.8.52.181:32796 UDP
target domain=unspecified received on: Transport: [ V4 0.0.0.0:5060 UDP
target domain=unspecified connectionId=0 ] connectionId=0 ]
![2007-03-07 20:14:53.305] <2952:RESIP:TRANSACTION>
DEBUG | TransactionUser.cxx:66 | Checking if SipReq: UPDATE
56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=03950393A79343D4439ec3.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire) is for me
![2007-03-07 20:14:53.305] <2952:RESIP:TRANSACTION>
DEBUG | TransactionUser.cxx:71 | Checking rule...
![2007-03-07 20:14:53.305] <2952:RESIP:TRANSACTION>
DEBUG | MessageFilterRule.cxx:70 | Matching rule for:
UPDATE sip:56000 at 135.8.116.33:5060 SIP/2.0
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Max-Forwards: 69
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: " CONFERENCE
2"<sip:76800 at avaya.com:5061;transport=tls>;isfocus
To: "IC 7.1 B2B" <sip:56000 at avaya.com>;tag=b855e212
From: sip:76800 at avaya.com;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Session-Expires: 240;refresher=uac
Min-SE: 240
Allow: INVITE, CANCEL, BYE, ACK, PRACK, SUBSCRIBE,
NOTIFY, REFER, OPTIONS
Supported: 100rel, timer, replaces, join, histinfo
User-Agent: Avaya CM/R013x.01.2.632.1
Content-Length: 0
![2007-03-07 20:14:53.383] <2952:RESIP:TRANSACTION>
DEBUG | MessageFilterRule.cxx:241 | MSG User = 56000
![2007-03-07 20:14:53.383] <2952:RESIP:TRANSACTION>
DEBUG | MessageFilterRule.cxx:252 | List USER = 56000
![2007-03-07 20:14:53.383] <2952:RESIP:TRANSACTION>
DEBUG | TransactionUser.cxx:74 | Match!
![2007-03-07 20:14:53.383] <2952:RESIP> DEBUG |
Helper.cxx:372 | Helper::makeResponse(SipReq: UPDATE
56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire) code=100 reason=
![2007-03-07 20:14:53.383] <2952:RESIP:TRANSACTION>
DEBUG | TimerQueue.cxx:85 | Adding timer: Timer Trying
tid=83A503034493935543998a.0 ms=3500
![2007-03-07 20:14:53.383] <2952:RESIP:TRANSACTION>
DEBUG | TransactionState.cxx:1852 | Send to TU: TU: DialogUsageManager
size=0
UPDATE sip:56000 at 135.8.116.33:5060 SIP/2.0
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Max-Forwards: 69
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: " CONFERENCE
2"<sip:76800 at avaya.com:5061;transport=tls>;isfocus
To: "IC 7.1 B2B" <sip:56000 at avaya.com>;tag=b855e212
From: sip:76800 at avaya.com;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Session-Expires: 240;refresher=uac
Min-SE: 240
Allow: INVITE, CANCEL, BYE, ACK, PRACK, SUBSCRIBE,
NOTIFY, REFER, OPTIONS
Supported: 100rel, timer, replaces, join, histinfo
User-Agent: Avaya CM/R013x.01.2.632.1
Content-Length: 0
![2007-03-07 20:14:53.383] <2840:RESIP:DUM> INFO |
DialogUsageManager.cxx:1190 | Got: SipReq: UPDATE
56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire)
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
DialogUsageManager.cxx:1456 | DialogUsageManager::processRequest:
SipReq: UPDATE 56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire)
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> INFO |
DialogUsageManager.cxx:1516 | Handling in-dialog request: SipReq:
UPDATE 56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire)
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
DialogId.cxx:50 | DialogId::DialogId:
ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.-b855e212-0945f2f40dddb181b4
6f94dc00
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
DialogSet.cxx:428 | Found matching dialog mClientSubscriptions(0),
mServerSubscriptions(0) for
UPDATE sip:56000 at 135.8.116.33:5060 SIP/2.0
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Max-Forwards: 69
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: " CONFERENCE
2"<sip:76800 at avaya.com:5061;transport=tls>;isfocus
To: "IC 7.1 B2B"<sip:56000 at avaya.com>;tag=b855e212
From:
<sip:76800 at avaya.com>;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Session-Expires: 240;refresher=uac
Min-SE: 240
Allow: INVITE, CANCEL, BYE, ACK, PRACK, SUBSCRIBE,
NOTIFY, REFER, OPTIONS
Supported: 100rel, timer, replaces, join, histinfo
User-Agent: Avaya CM/R013x.01.2.632.1
Content-Length: 0
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
Dialog.cxx:315 | Dialog::dispatch: SipReq: UPDATE
56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire)
![2007-03-07 20:14:53.399] <2840:RESIP> DEBUG |
Helper.cxx:372 | Helper::makeResponse(SipReq: UPDATE
56000 at 135.8.116.33:5060 <mailto:56000 at 135.8.116.33:5060>
tid=83A503034493935543998a.0 cseq=UPDATE contact=76800 at avaya.com:5061
<mailto:contact=76800 at avaya.com:5061> / 1 from(wire) code=200 reason=
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
Dialog.cxx:984 | Dialog::makeResponse:
SIP/2.0 200 OK
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: <sip:56000>
To: "IC 7.1 B2B"<sip:56000 at avaya.com>;tag=b855e212
From:
<sip:76800 at avaya.com>;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, UPDATE, NOTIFY
Content-Length: 0
![2007-03-07 20:14:53.399] <2840:RESIP:APP> INFO |
UserAgent.cpp:2146 | sip:76800 at avaya.com CUserAgent::onReadyToSend(CISH)
on session 23 - SipResp: 200 tid=83A503034493935543998a.0 cseq=UPDATE
contact=56000 / 1 from(tu)
![2007-03-07 20:14:53.399] <2840:RESIP:APP> INFO |
UserAgent.cpp:2147 | NO OP
![2007-03-07 20:14:53.399] <2840:RESIP:DUM> DEBUG |
DialogUsageManager.cxx:800 | SEND:
SIP/2.0 200 OK
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: <sip:56000>
To: "IC 7.1 B2B"<sip:56000 at avaya.com>;tag=b855e212
From:
<sip:76800 at avaya.com>;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, UPDATE, NOTIFY
User-Agent: AvSIP 1.04.2
Content-Length: 0
![2007-03-07 20:14:53.399] <2840:RESIP> DEBUG |
SipStack.cxx:290 | SEND: SipResp: 200 tid=83A503034493935543998a.0
cseq=UPDATE contact=56000 / 1 from(tu)
![2007-03-07 20:14:53.414] <2952:RESIP:TRANSACTION>
DEBUG | TimerQueue.cxx:85 | Adding timer: Timer J
tid=83A503034493935543998a.0 ms=32000
![2007-03-07 20:14:53.414] <2952:RESIP:TRANSPORT>
DEBUG | TransportSelector.cxx:521 | Looked up source for destination: [
V4 135.8.52.181:5060 UDP target domain=unspecified received on:
Transport: [ V4 0.0.0.0:5060 UDP target domain=unspecified
connectionId=0 ] connectionId=0 ] -> [ V4 135.8.116.33:0 UDP target
domain=unspecified received on: Transport: [ V4 0.0.0.0:5060 UDP target
domain=unspecified connectionId=0 ] connectionId=0 ]
sent-by=135.8.52.181 sent-port=5060
![2007-03-07 20:14:53.414] <2952:RESIP:TRANSPORT>
DEBUG | TransportSelector.cxx:869 | Transmitting to [ V4
135.8.52.181:5060 UDP target domain=unspecified received on: Transport:
[ V4 0.0.0.0:5060 UDP target domain=unspecified connectionId=0 ]
connectionId=0 ] tlsDomain= via [ V4 135.8.116.33:5060 UDP target
domain=unspecified received on: Transport: [ V4 0.0.0.0:5060 UDP target
domain=unspecified connectionId=0 ] connectionId=0 ]
SIP/2.0 200 OK
Via: SIP/2.0/UDP
135.8.52.181:5060;branch=z9hG4bK83A503034493935543998a.0
Via: SIP/2.0/TLS
avaya.com;psrrposn=1;received=135.8.83.172;branch=z9hG4bK80945f2f40dddb1
c1b46f94dc00
Record-Route: <sip:135.8.52.181:5060;lr>
Contact: <sip:56000 at 135.8.116.33:5060>
To: "IC 7.1 B2B"<sip:56000 at avaya.com>;tag=b855e212
From:
<sip:76800 at avaya.com>;tag=0945f2f40dddb181b46f94dc00
Call-ID: ZDU4Yjg4M2UxYTE1MjRiNzJkZTU3ZWMzYmNlMjZlZjk.
CSeq: 1 UPDATE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, UPDATE, NOTIFY
User-Agent: AvSIP 1.04.2
Content-Length: 0
![2007-03-07 20:14:53.414] <2952:RESIP:TRANSPORT>
DEBUG | Transport.cxx:213 | Adding message to tx buffer to: [ V4
135.8.52.181:5060 UDP target domain=unspecified received on: Transport:
[ V4 0.0.0.0:5060 UDP target domain=unspecified connectionId=0 ]
connectionId=0 ]
Bill Kovar
bkovar at avaya.com
Avaya, Inc.
(732) 852-2609
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