[SR-Users] TCP/TLS connection (id: 0) for WebSocket could not be found

Mack Hendricks mack at dopensource.com
Fri Apr 17 14:34:02 CEST 2020


Here is what one of my registrations look like

              id: 148
         ruid: uloc-5e999161-1782-1
     username: 2000
       domain: ws-test.com
      contact: sips:2000 at df7jal23ls0d.invalid;rtcweb-breaker=no;transport=wss
     received: sip:98.209.240.245:63356;transport=ws
         path: NULL
      expires: 2020-04-17 12:30:14
            q: -1.00
       callid: 73beb50f-65de-a461-be26-187c9aaa53c1
         cseq: 48179
last_modified: 2020-04-17 12:26:54
        flags: 0
       cflags: 524352
   user_agent: IM-client/OMA1.0 sipML5-v1.2016.03.04
       socket: NULL
      methods: NULL
     instance: NULL
       reg_id: 0
    server_id: 0
connection_id: -1
    keepalive: 1
    partition: 18

> On Apr 17, 2020, at 8:30 AM, Mack Hendricks <mack at dopensource.com> wrote:
> 
> Hello,
> 
> I upgrade to 5.3 and got the same result.  But, I noticed that changing the connection_id in the database to the connection_id of the web socket  connection listed by ws.dump made it work.
> 
> So, it looks like the socket or the connection_id is not being set when the record is stored by usrloc.  I think this is the true issue.  Any suggestions where to look?
> 
> 
> 
>> On Apr 16, 2020, at 2:44 AM, Daniel-Constantin Mierla <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>> 
>> Hello,
>> 
>> did you print the log message just before t_relay()?
>> 
>> Can you also print the tcp and tls connections via rpc? I am not sure if the websocket keeps a separate list of connections, but tcp/tls should have the lists used for routing.
>> 
>> It would be better to upgrade to 5.3, because 5.1 is out of maintenance and if there is still an issue, it is easier to troubleshoot and fix. Then you can backport locally to 5.1, if you have to run that version on specific systems.
>> 
>> Cheers,
>> Daniel
>> 
>> On 16.04.20 05:10, Mack Hendricks wrote:
>>> Hey Daniel,
>>> 
>>> It returns:
>>> 
>>>  [LOCATION] ru: sips:2000 at df7jal23ls0d.invalid <mailto:2000 at df7jal23ls0d.invalid>;rtcweb-breaker=no;transport=wss, nh(u): sip:98.209.240.245:50453;transport=ws <sip:98.209.240.245:50453;transport=ws>
>>> 
>>> This matches the output from
>>> 
>>> kamcmd ws.dump
>>> 
>>> 
>>> 	connections: {
>>> 		29: wss:98.209.240.245:50453 -> wss:134.122.27.49:4443 <wss://134.122.27.49:4443/> (state: OPEN,  last used 22s ago, sub-protocol: sip)
>>> 	}
>>> 	info: {
>>> 		wscounter: 1
>>> 		truncated: no
>>> 	}
>>> }
>>> 
>>> I can grade to 5.3 if you think that’s best.
>>> 
>>> 
>>> 
>>> 
>>>> On Apr 15, 2020, at 12:11 PM, Daniel-Constantin Mierla <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>>> 
>>>> Hello,
>>>> 
>>>> when id is 0, then the search of the connection is done by target address. For some reason, the destination is not matching the connection. Try to print $nh(u) before relaying to see where it is supposed to be sent.
>>>> 
>>>> Cheers,
>>>> Daniel
>>>> 
>>>> On 15.04.20 16:54, Mack Hendricks wrote:
>>>>> Hello,
>>>>> 
>>>>> I’m running kamailio 5.1.10 (x86_64/linux)
>>>>> 
>>>>> The connection_id in usrloc is -1 for some reason so the id doesn’t match for sure.  But, I thought that it would match on the received address of the WS client because the output from ws.dump shows that the connection address and port matches the received address and port in usrloc.
>>>>> 
>>>>> Any suggestions?
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>>> On Apr 15, 2020, at 10:48 AM, Daniel-Constantin Mierla <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>>>>> 
>>>>>> Hello,
>>>>>> 
>>>>>> what version of Kamailio do you use?
>>>>>> 
>>>>>> That message is printed when the connection is not found by id or by destination address.
>>>>>> 
>>>>>> Cheers,
>>>>>> Daniel
>>>>>> 
>>>>>> On 15.04.20 07:11, Mack Hendricks wrote:
>>>>>>> Hey All,
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> I get this message when trying to route request to a WebSocket client:
>>>>>>> 
>>>>>>> 
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: DEBUG: <core> [core/msg_translator.c:1762]: check_boundaries(): no multi-part body
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: DEBUG: <core> [core/msg_translator.c:429]: clen_builder(): content-length: 651 (651)
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: WARNING: <core> [core/msg_translator.c:2786]: via_builder(): TCP/TLS connection (id: 0) for WebSocket could not be found
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: ERROR: <core> [core/msg_translator.c:2002]: build_req_buf_from_sip_req(): could not create Via header
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: ERROR: tm [t_fwd.c:476]: prepare_new_uac(): could not build request
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: ERROR: tm [t_fwd.c:1738]: t_forward_nonack(): failure to add branches
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: DEBUG: tm [t_funcs.c:337]: t_relay_to(): t_forward_nonack returned error -2 (-2)
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: DEBUG: tm [t_funcs.c:355]: t_relay_to(): -2 error reply generation delayed
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: exec: *** cfgtrace:request_route=[RELAY] c=[/etc/kamailio/kamailio.cfg] l=1176 a=24 n=sl_reply_error
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: ERROR: sl [sl_funcs.c:362]: sl_reply_error(): stateless error reply used: No error (2/SL)
>>>>>>> Apr 15 04:59:37 dSIP060entNightly-0 /usr/sbin/kamailio[22071]: exec: *** cfgtrace:request_route=[RELAY] c=[/etc/kamailio/kamailio.cfg] l=1178 a=2 n=exit
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> Here is what my location table looks like.  It should try to send the call to  sip:98.209.240.245:56291;transport=ws <sip:98.209.240.245:56291;transport=ws>
>>>>>>> 
>>>>>>> 
>>>>>>> *************************** 2. row ***************************
>>>>>>>            id: 124
>>>>>>>          ruid: uloc-5e9685e8-5650-92
>>>>>>>      username: 2000
>>>>>>>        domain: ws-test.com <http://ws-test.com/>
>>>>>>>       contact: sips:2000 at df7jal23ls0d.invalid <mailto:2000 at df7jal23ls0d.invalid>;rtcweb-breaker=no;transport=wss
>>>>>>>      received: sip:98.209.240.245:56291;transport=ws <sip:98.209.240.245:56291;transport=ws>
>>>>>>>          path: NULL
>>>>>>>       expires: 2020-04-15 05:03:17
>>>>>>>             q: -1.00
>>>>>>>        callid: 7ef0a550-b2b9-24c6-5c3b-8e0c667f5533
>>>>>>>          cseq: 50096
>>>>>>> last_modified: 2020-04-15 04:59:57
>>>>>>>         flags: 0
>>>>>>>        cflags: 524352
>>>>>>>    user_agent: IM-client/OMA1.0 sipML5-v1.2016.03.04
>>>>>>>        socket: NULL
>>>>>>>       methods: NULL
>>>>>>>      instance: NULL
>>>>>>>        reg_id: 0
>>>>>>>     server_id: 0
>>>>>>> connection_id: -1
>>>>>>>     keepalive: 1
>>>>>>>     partition: 18
>>>>>>> 
>>>>>>> 
>>>>>>> The Websocket list looks like this:
>>>>>>> 
>>>>>>> 
>>>>>>> Server01:~# kamcmd ws.dump
>>>>>>> {
>>>>>>> 	connections: {
>>>>>>> 		8: wss:98.209.240.245:56291 <wss://98.209.240.245:56291/> -> wss:134.122.27.49:4443 <wss://134.122.27.49:4443/> (state: OPEN,  last used 47s ago, sub-protocol: sip)
>>>>>>> 	}
>>>>>>> 	info: {
>>>>>>> 		wscounter: 1
>>>>>>> 		truncated: no
>>>>>>> 	}
>>>>>>> }
>>>>>>> 
>>>>>>> 
>>>>>>> I’m not sure what I’m doing wrong.  Any ideas?
>>>>>>> 
>>>>>>> 
>>>>>>> Thanks in advance
>>>>>>> 
>>>>>>> -Mack
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> Kamailio (SER) - Users Mailing List
>>>>>>> sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users>
>>>>>> -- 
>>>>>> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com/>
>>>>>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>>>> -- 
>>>> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com/>
>>>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>> -- 
>> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com/>
>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>

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