[SR-Users] evapi tcp parsing??
Daniel-Constantin Mierla
miconda at gmail.com
Sun Oct 11 19:29:47 CEST 2015
Hello,
wondering if you had the time to test and see if the issue has been fixed...
Cheers,
Daniel
On 30/09/15 08:31, Daniel-Constantin Mierla wrote:
> Hello,
>
> thanks for troubleshooting further and pointing to the issue. I pushed
> a patch last night, hopefully fixes it. Try with latest master branch
> and let me know the results.
>
> Cheers,
> Daniel
>
> On 29/09/15 14:15, Jayesh Nambiar wrote:
>> Hi Daniel,
>> Taking a second look at the NGREP Trace I think I can see what is
>> going wrong. The message in the third packet was discarded by Evapi
>> module. If you look at the first two packets carefully, the first
>> packet ends at Dev and the second packet is the continuation of first
>> packet which starts with "iceId". The first two packets are processed
>> perfectly fine.
>> Now the third packet is a new message, but Kamailio is trying to
>> continue the third packet again with the first packet. So even when
>> the third packet starts with '146:' Kamailio considers it to be
>> starting with 'Dev146'. This causes the evapi to discard this message
>> since it does not remain a valid netstring then. Here the three
>> packets that I'm talking about:
>>
>> T 198.24.63.45:48905 <http://198.24.63.45:48905> -> 198.24.63.39:3927 <http://198.24.63.39:3927> [A]
>> 146:{"event":"REGISTER","tindex":"43213","tlabel":"220429340","PhoneNumber":"11151","DeviceId":"abcd1234abcd1234","CallId":"10932-15480 at 198.24.63.39 <mailto:10932-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"52174","tlabel":"708781916","PhoneNumber":"11150","DeviceId":"abcd1234abcd1234","CallId":"10933-15480 at 198.24.63.39 <mailto:10933-15480 at 198.24.63.39>"},147:{"event":"REGISTER","tindex":"34251","tlabel":"1354642017","PhoneNumber":"11153","DeviceId":"abcd1234abcd1234","CallId":"10935-15480 at 198.24.63.39 <mailto:10935-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"7366","tlabel":"1368396808","PhoneNumber":"11154","DeviceId":"abcd1234abcd1234","CallId":"10936-15480 at 198.24.63.39 <mailto:10936-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"25289","tlabel":"119788881","PhoneNumber":"11152","DeviceId":"abcd1234abcd1234","C
>> allId":"10934-15480 at 198.24.63.39 <mailto:10934-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"16327","tlabel":"971937029","PhoneNumber":"11155","DeviceId":"abcd1234abcd1234","CallId":"10937-15480 at 198.24.63.39 <mailto:10937-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"22242","tlabel":"609737074","PhoneNumber":"11156","DeviceId":"abcd1234abcd1234","CallId":"10938-15480 at 198.24.63.39 <mailto:10938-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"10720","tlabel":"930036340","PhoneNumber":"11157","DeviceId":"abcd1234abcd1234","CallId":"10939-15480 at 198.24.63.39 <mailto:10939-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"61133","tlabel":"450961398","PhoneNumber":"11158","DeviceId":"abcd1234abcd1234","CallId":"10940-15480 at 198.24.63.39 <mailto:10940-15480 at 198.24.63.39>"},146:{"event":"R
>> EGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","Dev
>>
>> T 198.24.63.45:48905 <http://198.24.63.45:48905> -> 198.24.63.39:3927 <http://198.24.63.39:3927> [AP]
>> iceId":"abcd1234abcd1234","CallId":"10942-15480 at 198.24.63.39 <mailto:10942-15480 at 198.24.63.39>"},146:{"event":"REGISTER","tindex":"4559","tlabel":"1701553747","PhoneNumber":"11159","DeviceId":"abcd1234abcd1234","CallId":"10941-15480 at 198.24.63.39 <mailto:10941-15480 at 198.24.63.39>"},
>>
>> T 198.24.63.45:48905 <http://198.24.63.45:48905> -> 198.24.63.39:3927 <http://198.24.63.39:3927> [AP]
>> 146:{"event":"REGISTER","tindex":"52171","tlabel":"748030241","PhoneNumber":"11161","DeviceId":"abcd1234abcd1234","CallId":"10943-15480 at 198.24.63.39 <mailto:10943-15480 at 198.24.63.39>"},
>>
>> On Tue, Sep 29, 2015 at 4:43 PM Jayesh Nambiar <jayesh1017 at gmail.com
>> <mailto:jayesh1017 at gmail.com>> wrote:
>>
>> Hi Daniel:
>> I did a new test where I stopped as soon as I saw one message
>> that got discarded. Basically the following message got discarded:
>> {"event":"REGISTER","tindex":"52171","tlabel":"748030241","PhoneNumber":"11161","DeviceId":"abcd1234abcd1234","CallId":"10943-15480 at 198.24.63.39"}
>> The CallId parameter in the above json is auto incremented, so I
>> tried gathering logs for messages with following CallIds:
>> "CallId":"10940-15480 at 198.24.63.39 <mailto:10940-15480 at 198.24.63.39>"
>> "CallId":"10941-15480 at 198.24.63.39 <mailto:10941-15480 at 198.24.63.39>"
>> "CallId":"10942-15480 at 198.24.63.39 <mailto:10942-15480 at 198.24.63.39>"
>> "CallId":"10943-15480 at 198.24.63.39 <mailto:10943-15480 at 198.24.63.39>"
>> "CallId":"10944-15480 at 198.24.63.39 <mailto:10944-15480 at 198.24.63.39>"
>> "CallId":"10945-15480 at 198.24.63.39 <mailto:10945-15480 at 198.24.63.39>"
>>
>> And the message with CallID "CallId":"10943-15480 at 198.24.63.39
>> <http://198.24.63.39>" got discarded.
>>
>> Here's the bunch of kamailio logs printed by the evapi module:
>> *Logs for processed messages just before the discarded message:*
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43da494ad0]
>> [146:{"event":"REGISTER","tindex":"61133","tlabel":"450961398","PhoneNumber":"11158","DeviceId":"abcd1234abcd1234","CallId":"10940-15480 at 198.24.63.39"},]
>> (151)
>>
>> NOTICE: evapi_recv_client(): {0} [198.24.63.45:48905
>> <http://198.24.63.45:48905>] - received
>> [147:{"event":"REGISTER","tindex":"25291","tlabel":"2047024302","PhoneNumber":"11132","DeviceId":"abcd1234abcd1234","CallId":"10914-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"61136","tlabel":"839735223","PhoneNumber":"11148","DeviceId":"abcd1234abcd1234","CallId":"10930-15480 at 198.24.63.39"},143:{"event":"REGISTER","tindex":"4562","tlabel":"6586867","PhoneNumber":"11149","DeviceId":"abcd1234abcd1234","CallId":"10931-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"43213","tlabel":"220429340","PhoneNumber":"11151","DeviceId":"abcd1234abcd1234","CallId":"10932-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"52174","tlabel":"708781916","PhoneNumber":"11150","DeviceId":"abcd1234abcd1234","CallId":"10933-15480 at 198.24.63.39"},147:{"event":"REGISTER","tindex":"34251","tlabel":"1354642017","PhoneNumber":"11153","DeviceId":"abcd1234abcd1234","CallId":"10935-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"7366","tlabel":"1368396808","PhoneNumber":"11154","DeviceId":"abcd1234abcd1234","CallId":"10936-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"25289","tlabel":"119788881","PhoneNumber":"11152","DeviceId":"abcd1234abcd1234","CallId":"10934-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"16327","tlabel":"971937029","PhoneNumber":"11155","DeviceId":"abcd1234abcd1234","CallId":"10937-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"22242","tlabel":"609737074","PhoneNumber":"11156","DeviceId":"abcd1234abcd1234","CallId":"10938-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"10720","tlabel":"930036340","PhoneNumber":"11157","DeviceId":"abcd1234abcd1234","CallId":"10939-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"61133","tlabel":"450961398","PhoneNumber":"11158","DeviceId":"abcd1234abcd1234","CallId":"10940-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","Dev]
>> (1899) (0)
>>
>>
>> evapi_recv_client(): executing event route for frame:
>> [{"event":"REGISTER","tindex":"61133","tlabel":"450961398","PhoneNumber":"11158","DeviceId":"abcd1234abcd1234","CallId":"10940-15480 at 198.24.63.39"}]
>> (146)
>>
>> Sep 29 05:35:14 v39 /usr/local/kamailio-dev/sbin/kamailio[15387]:
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43da4b67e0]
>> [146:{"event":"REGISTER","tindex":"4559","tlabel":"1701553747","PhoneNumber":"11159","DeviceId":"abcd1234abcd1234","CallId":"10941-15480 at 198.24.63.39"},]
>> (151)
>>
>> NOTICE: evapi [evapi_dispatch.c:290]: evapi_recv_client(): {0}
>> [198.24.63.45:48905 <http://198.24.63.45:48905>] - received
>> [iceId":"abcd1234abcd1234","CallId":"10942-15480 at 198.24.63.39"},146:{"event":"REGISTER","tindex":"4559","tlabel":"1701553747","PhoneNumber":"11159","DeviceId":"abcd1234abcd1234","CallId":"10941-15480 at 198.24.63.39"},]
>> (214) (88)
>>
>> DEBUG: evapi [evapi_dispatch.c:370]: evapi_recv_client():
>> executing event route for frame:
>> [{"event":"REGISTER","tindex":"4559","tlabel":"1701553747","PhoneNumber":"11159","DeviceId":"abcd1234abcd1234","CallId":"10941-15480 at 198.24.63.39"}]
>> (146)
>>
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43d93c2a70]
>> [146:{"event":"REGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","DeviceId":"abcd1234abcd1234","CallId":"10942-15480 at 198.24.63.39"},]
>> (151)
>>
>> DEBUG: evapi [evapi_dispatch.c:370]: evapi_recv_client():
>> executing event route for frame:
>> [{"event":"REGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","DeviceId":"abcd1234abcd1234","CallId":"10942-15480 at 198.24.63.39"}]
>> (146)
>>
>> DEBUG: evapi [evapi_dispatch.c:353]: evapi_recv_client():
>> residual data
>> [146:{"event":"REGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","Dev]
>> (88)
>>
>> DEBUG: evapi [evapi_dispatch.c:361]: evapi_recv_client(): frame
>> size mismatch the ending char ("):
>> [{"event":"REGISTER","tindex":"43210","tlabel":"639090568","PhoneNumber":"11160","Dev146:{"event":"REGISTER","tindex":"52171","tlabel":"748030241",]
>> (146)
>>
>> *Logs for discarded message:*
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43da3e69a0]
>> [146:{"event":"REGISTER","tindex":"52171","tlabel":"748030241","PhoneNumber":"11161","DeviceId":"abcd1234abcd1234","CallId":"10943-15480 at 198.24.63.39"},]
>> (151)
>>
>> NOTICE: evapi [evapi_dispatch.c:290]: evapi_recv_client(): {0}
>> [198.24.63.45:48905 <http://198.24.63.45:48905>] - received
>> [146:{"event":"REGISTER","tindex":"52171","tlabel":"748030241","PhoneNumber":"11161","DeviceId":"abcd1234abcd1234","CallId":"10943-15480 at 198.24.63.39"},]
>> (151) (88)
>>
>> *Logs for messages after the discarded message:*
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43da3e6aa0]
>> [146:{"event":"REGISTER","tindex":"25286","tlabel":"809034258","PhoneNumber":"11163","DeviceId":"abcd1234abcd1234","CallId":"10944-15480 at 198.24.63.39"},]
>> (151)
>>
>> NOTICE: evapi [evapi_dispatch.c:290]: evapi_recv_client(): {0}
>> [198.24.63.45:48905 <http://198.24.63.45:48905>] - received
>> [146:{"event":"REGISTER","tindex":"25286","tlabel":"809034258","PhoneNumber":"11163","DeviceId":"abcd1234abcd1234","CallId":"10944-15480 at 198.24.63.39"},]
>> (151) (0)
>>
>> DEBUG: evapi [evapi_dispatch.c:370]: evapi_recv_client():
>> executing event route for frame:
>> [{"event":"REGISTER","tindex":"25286","tlabel":"809034258","PhoneNumber":"11163","DeviceId":"abcd1234abcd1234","CallId":"10944-15480 at 198.24.63.39"}]
>> (146)
>>
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43d9598778]
>> [146:{"event":"REGISTER","tindex":"34248","tlabel":"187029249","PhoneNumber":"11162","DeviceId":"abcd1234abcd1234","CallId":"10945-15480 at 198.24.63.39"},]
>> (151)
>>
>> NOTICE: evapi [evapi_dispatch.c:290]: evapi_recv_client(): {0}
>> [198.24.63.45:48905 <http://198.24.63.45:48905>] - received
>> [146:{"event":"REGISTER","tindex":"34248","tlabel":"187029249","PhoneNumber":"11162","DeviceId":"abcd1234abcd1234","CallId":"10945-15480 at 198.24.63.39"},]
>> (151) (0)
>>
>> DEBUG: evapi [evapi_dispatch.c:370]: evapi_recv_client():
>> executing event route for frame:
>> [{"event":"REGISTER","tindex":"34248","tlabel":"187029249","PhoneNumber":"11162","DeviceId":"abcd1234abcd1234","CallId":"10945-15480 at 198.24.63.39"}]
>> (146)
>>
>> DEBUG: evapi [evapi_dispatch.c:492]: evapi_recv_notify():
>> received [0x7f43d9598878]
>> [145:{"event":"REGISTER","tindex":"7363","tlabel":"949153805","PhoneNumber":"11164","DeviceId":"abcd1234abcd1234","CallId":"10946-15480 at 198.24.63.39"},]
>> (150)
>>
>> NOTICE: evapi [evapi_dispatch.c:290]: evapi_recv_client(): {0}
>> [198.24.63.45:48905 <http://198.24.63.45:48905>] - received
>> [145:{"event":"REGISTER","tindex":"7363","tlabel":"949153805","PhoneNumber":"11164","DeviceId":"abcd1234abcd1234","CallId":"10946-15480 at 198.24.63.39"},]
>> (150) (0)
>>
>> DEBUG: evapi [evapi_dispatch.c:370]: evapi_recv_client():
>> executing event route for frame:
>> [{"event":"REGISTER","tindex":"7363","tlabel":"949153805","PhoneNumber":"11164","DeviceId":"abcd1234abcd1234","CallId":"10946-15480 at 198.24.63.39"}]
>> (145)
>>
>> Just in case if you need to see the NGREP trace for the above
>> messages, it is here:
>> http://pastebin.com/4zTKmBJX
>>
>> Thanks,
>>
>> - Jayesh
>>
>>
>> On Tue, Sep 29, 2015 at 12:16 PM Daniel-Constantin Mierla
>> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>
>> Hello,
>>
>> can you send here the log messages printed by evapi that
>> contain "] - received [" which have:
>>
>> - the previous bunch of json documents that were processed ok
>> (just before the one that was discarded)
>> - the bunch of json documents that were discarded
>> - the next bunch of json documents that were processed ok
>>
>> The logs were sent on could of emails and pastebin, so it is
>> hard to track them -- if you have the logs, just locate the
>> log messages with the discarded json and send it here along
>> with the previous and next logs.
>>
>> Cheers,
>> Daniel
>>
>>
>> On 28/09/15 17:04, Jayesh Nambiar wrote:
>>> Thank you daniel.
>>> Yes, they all get printed by the evapi module even when they
>>> get discarded. If you once again check the paste-bin, the
>>> logs pasted as Kamailio Logs are all discarded packets but
>>> show up as received by evapi module.
>>> I believe they got discarded because a packet that came
>>> before them was partial and evapi discarded the remaining
>>> part of the message in the new packet and encountered error.
>>> - Jayesh
>>>
>>> On Mon, Sep 28, 2015 at 11:13 AM Daniel-Constantin Mierla
>>> <miconda at gmail.com> wrote:
>>>
>>> Hello,
>>>
>>> I will look over it during next days.
>>>
>>> One more thing, are the packages sent by you printed by
>>> evapi module, even not they are not processed (but
>>> discarded)?
>>>
>>> Cheers,
>>> Daniel
>>>
>>
>> --
>> Daniel-Constantin Mierla
>> http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>> Book: SIP Routing With Kamailio - http://www.asipto.com
>>
>
> --
> Daniel-Constantin Mierla
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.com
> Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat
--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com
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