[SR-Users] websocket rd buffer size limit?

Daniel-Constantin Mierla miconda at gmail.com
Wed Jan 27 11:57:32 CET 2021


Out of curiosity, how large do you expect the sip messages to be? Event
with webrtc sdp, I haven't seen sip messages getting closer to 64kB...

Cheers,
Daniel

On 26.01.21 22:01, Andrew Chen wrote:
> Ok thanks.  I also forgot to mention these are websocket SIP calls to
> the Kamailio.
>
> I also ran into a thread after googling is to update the following in
> tls_server.c
>
> #define TLS_RD_MBUF_SZ65536
> #define TLS_WR_MBUF_SZ65536
>
> I will try both options.
>
> Thanks again!
>
> On Tue, Jan 26, 2021 at 1:15 PM Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>     this seems to be related to the SIP message max size, not to the
>     tcp buffer size.
>
>     You have to recompile kamailio after changing BUF_SIZE in the
>     src/core/config.h.
>
>     Cheers,
>     Daniel
>
>     On 26.01.21 18:43, Andrew Chen wrote:
>>     Hey group,
>>
>>     I was wondering if there is a way to control the websocket buffer
>>     size to support large SIP messages.  I received the following
>>     error when sending content-length of 65000
>>
>>     2021-01-26T17:32:19.251408+00:00 sjomainkama50 kamailio[31871]:
>>     109(32008) WARNING: websocket [*ws_frame.c*:482]:
>>     decode_and_validate_ws_frame(): message is too long for our
>>     buffer size (65535 / 66151)
>>
>>
>>     I am assuming this is controlled  by the tcp_rd_buf params which
>>     I have set to 131k:
>>
>>
>>     *tcp_*rd_buf_size=131072
>>
>>
>>     and this is my tcp_wr_buf params:
>>
>>     *tcp_*wq_blk_size=131072
>>
>>     *tcp_*conn_wq_max=131072
>>
>>
>>
>>     Please advise.
>>
>>
>>     Thanks.
>>
>>
>>     -- 
>>     Andy Chen
>>     Sr. Telephony Lead Engineer
>>     achen@ <mailto:achen at thinkingphones.com>fuze.com <http://fuze.com>
>>
>>
>>
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>
>     -- 
>     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>
>     Funding: https://www.paypal.me/dcmierla <https://www.paypal.me/dcmierla>
>
>
>
> -- 
> Andy Chen
> Sr. Telephony Lead Engineer
> 415 516 5535 (M)
> achen@ <mailto:achen at thinkingphones.com>fuze.com <http://fuze.com>
>
>
> *Confidentiality Notice: The information contained in this e-mail and any
> attachments may be confidential. If you are not an intended recipient, you
> are hereby notified that any dissemination, distribution or copying of
> this
> e-mail is strictly prohibited. If you have received this e-mail in error,
> please notify the sender and permanently delete the e-mail and any
> attachments immediately. You should not retain, copy or use this e-mail or
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> contents to any other person. Thank you.* 

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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