[SR-Users] Fwd: websocket devices keepalive not working

[Yuriy Gorlichenko]

As I read at README to Nathelper it may not work with usrloc table, Is it
write?

now I use NAT traversal module and Websocket module to keepalive
mechanisms, that uses UDP or WS.

with UDP it is wery simple method - OPTIONS replies.

With WebSocket module keepalive mechanism uses thomething else. Not a SIP
methods, I see at TCPDUMP packets that marks with modparam("websocket",
"ping_application_data", "WebSockets rock")

I need to handle replies of keepaliwe mechanism. How I may handle replies
form this mechanism?

2015-06-30 18:37 GMT+03:00 Yuriy Gorlichenko <ovoshlook at gmail.com>:

> thnks for response. I thing - nathelper is what I need. If I resolve issue
> above (why it not work with setbflag(7)  ) I thing this questions will be
> closed.
>
> P.S may be it help - my kamailio version is
>
> version: kamailio 4.4.0-dev1 (x86_64/linux) 1dbd53
> flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS,
> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC,
> F_MALLOC, DBG_F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
> USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
> MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: 1dbd53
> compiled on 06:24:22 Jun 23 2015 with gcc 4.8.4
>
> 2015-06-30 18:18 GMT+03:00 Camille Oudot <camille.oudot at orange.com>:
>
>> Le Tue, 30 Jun 2015 15:49:26 +0300,
>> Yuriy Gorlichenko <ovoshlook at gmail.com> a écrit :
>>
>> > 4) I tried to do it with tcpops
>> >
>> > Only for ws and tcp (WS is use TCP as i know)
>> > tcp_keepalive_enable("15", "5", "15");
>> >
>> > same result...
>>
>> Hi Yuriy,
>>
>> the tcp_keepalive_enable() function will send keepalive packets at TCP
>> level, not at application level (SIP OPTIONS). It can be used to check
>> if the remote peer connection is still valid, and close the TCP
>> connection on the server side if it is no more valid. If you enable the
>> TCP keepalives, you should see these packets using tcpdump or wireshark.
>>
>> Along with "handle_lost_tcp" option on usrloc, this can be used to
>> maintain the usrloc table as consistent as possible.
>>
>> --
>> Camille
>>
>
>
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