sr-users May 2018

sr-users@lists.kamailio.org

92 participants
143 discussions

Link problem between kamailio and MariaDB
by Ginhoux, Patrick 28 May '18

28 May '18

Hi, At the moment, I'm trying to replace MySQL by MariaDB on my Kamailio server (5.0.1) . In previous post I have been told that Kamailio supports MariaDB and there is no special module to load. This work is done on a new server running RHEL 7.4 and MariaDB 10.2.14 that is installed under /opt/mysql/na/10.2.14 folder. I encounter different problem: - Without changing anything in the kamailio script, kamailio failed to find the libmysqlclient.so.18 library. - So I thought that I could get rid of the above error by changing the MODULEPATH in the Kamailio-local.cfg as follows : MODULEPATH="/usr/lib64/kamailio/modules/:/opt/mysql/na/10.2.14/lib64/" But with this, I get 2 problem: The kamailio.log that was written in a /opt/log/Kamailio folder is no longer updated. I can only find the errors in the /var/log/messages file: May 23 11:19:19 vm-siprouter74 systemd: Starting SYSV: Kamailio is a fast, reliable and flexible SIP Server.... May 23 11:19:19 vm-siprouter74 kamailio: Not starting : invalid configuration file! May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.lex:1822]: pp_define_get(): ### returning define ID [DEFINE_LOG_FACILITY] value [LOG_LOCAL0] May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.lex:1822]: pp_define_get(): ### returning define ID [LOCAL_LISTEN] value [udp:129.227.82.109:5060] May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.lex:1822]: pp_define_get(): ### returning define ID [LOCAL_LISTEN_2] value [udp:127.0.0.1:5060] May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.lex:1822]: pp_define_get(): ### returning define ID [MODULEPATH] value ["/usr/lib64/kamailio/modules/:/opt/mysql/na/10.2.14/lib64/"] May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.y:1632]: yyparse(): loading modules under /usr/lib64/kamailio/modules/:/opt/mysql/na/10.2.14/lib64/ May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.y:1613]: yyparse(): loading module db_mysql.so May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/sr_module.c:575]: load_module(): trying to load </usr/lib64/kamailio/modules/db_mysql.so> May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) ERROR: <core> [core/sr_module.c:582]: load_module(): could not open module </usr/lib64/kamailio/modules/db_mysql.so>: libmysqlclient.so.18: cannot open shared object file: No such file or directory May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) CRITICAL: <core> [core/cfg.y:3401]: yyerror_at(): parse error in config file //etc/kamailio/kamailio.cfg, line 191, column 12-24: failed to load module May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/cfg.y:1613]: yyparse(): loading module jsonrpcs.so May 23 11:19:19 vm-siprouter74 kamailio: 0(3328) DEBUG: <core> [core/sr_module.c:575]: load_module(): trying to load </usr/lib64/kamailio/modules/jsonrpcs.so> To work around the problem we have created 2 symbol links: <<< ln -s /opt/mysql/na/10.2.14/lib64/libmysqlclient.so.18.0.0 /usr/lib64/libmysqlclient.so.18 >>> the libmysqlclient error <<< ln -s /myqdata/mysiprdb/data/my.cnf /etc/my.cnf >>> to fix the issue to open the db It seems that kamailio is always looking for the my.cnf in the /etc/ directory. My concern are to share this job with people who have much more experience with Kamailio. I would like to know - If the different workaround (ln) makes sense to you or is there better change to do - How to explain the logging issue when changing the modulepath variable - Is it true that kamailio is always looking for the my.cnf in the /etc/ directory? Any thoughts are welcome. Thanks in advance. Cordialement. Patrick GINHOUX

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Developer Guide
by Igor Olhovskiy 27 May '18

27 May '18

Hi! Is http://www.asipto.com/pub/kamailio-devel-guide/ still holds actual info? Cause it’s mostly for 3.3 version, and now is 5.1 And where to read, except source code of course, about how to develop modules for Kamailio? Regards, Igor

2 1

Compact Headers
by Duarte Rocha 26 May '18

26 May '18

Greetings, Is there any method on Kamailio that automatically rewrites the headers in its compact form ? I know how i can do it by re-writing each of the eligible headers, but i was wondering if there is any way to do it automatically. Thanks

2 1

UAC Module Registration Table
by Greg Adams 25 May '18

25 May '18

Hey there, I am currently using the UAC module to maintain remote registrations. I am just curious if it is possible to register new users immediately rather than waiting for reg_timer_interval? I am not seeing any functionality like that but just wondering if I am missing something or if it would be possible to add in. For example an RPC command that takes a key and instantly registers that user. Thanks, Greg ________________________________

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kamailio.org server maintenance work
by Oriol Capsada 25 May '18

25 May '18

Hello, A kamailio.org server maintenance work will be done today at 18:00 CEST. There will be some minutes of downtime (should be less than 5') of the following main services: website (including the wiki) and mailing lists. Regards, Oriol.

1 0

Kamailio does not receive anything after exit route
by Andrey Deykunov 25 May '18

25 May '18

Hi there, I've added a simple black list that rejects incoming requests (REGISTER and INVITE) containing certain text in the message body. Source IP addresses of the rejected requests are going to be banned and added to the ban list: route > { > ... > > > $var(ban_list_key) = $si + ":" + $sp; > if ($sht(ip_ban_list=>$var(ban_list_key)) != $null) { > xlog("L_INFO", "$var(log_fmt_tag) The incoming $rm request > from: $fU, si: $si, sp: $sp was rejected. The source host is temporarily > banned."); > sl_send_reply("400", "Bad request"); > exit; > } > > ... > > if (method=="REGISTER" || method=="INVITE") { > sht_iterator_start("i1", "black_list"); > while(sht_iterator_next("i1")) { > $var(term_is_in_wl) = 0; > $var(collision_idx) = 0; > while($sht(white_list=>$fU[$var(collision_idx)]) != $null > ) { > if($shtitval(i1) == > $sht(white_list=>$fU[$var(collision_idx)])) { > $var(term_is_in_wl) = 1; > break; > } > $var(collision_idx) = $var(collision_idx) + 1; > } > if ($var(term_is_in_wl) == 0) { > if ( $mb =~ $shtitval(i1) ) { > # found a term from the black list. access denied. > xlog("L_INFO", "$var(log_fmt_tag) The incoming $rm > request from: $fU, si: $si, sp: $sp was rejected. SIP message body contains > a term from the black list - $shtitval(i1)"); > # add device to banlist > $var(ban_info) = "" + $Ts + "_" + $shtitval(i1); > $sht(ip_ban_list=>$var(ban_list_key)) = > $var(ban_info); > xlog("L_INFO", "$var(log_fmt_tag) The source host > $si:$sp was banned for 1 hour."); > sht_iterator_end("i1"); > sl_send_reply("400", "Bad request"); > exit; > } > } > } > sht_iterator_end("i1"); > } > ... > } All works fine with UPD, but using TCP, kamailio ceases to accept any requests. Please take a look, what do I wrong. Thanks, Andrey

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Performance Testing Kamailio 5.1 as SIP300 LCR on AWS - Recommendation on Tools and Methods
by KamDev Essa 24 May '18

24 May '18

I am currently setup with Kamailio 5.1 on an AWS t2.micro as a SIP300 LCR solution with a http_query call to an external resource (c# .NetCore app for LRN dip and MySQL Route choices) to get the contacts string, tag it to the Contact header an send 300. Its been a while since I have performance tested on SIP and It was SIPp. - Is http_query a bad choice for performance. Is KEMI better? - Are there any better free apps than SIPp? - Has anyone got cps stats for a SIP300 only Kamailio instance on AWS - Is AWS a bad choice for prime time LCR. Any gory stories? KD

2 3

SIP Server Hardware or VM ??
by Pinter, Gerd. 24 May '18

24 May '18

Hallo there, we are a Broadcasting Network with about 50 Stations and try to establish our own SIP Network for high quality Audio over IP with Bitrates of 192-256 kbit for transmitting an accurate stereo signal. Since we encountered problems with connections via mobile Networks we set up our SIP Server as RTP Proxy which resolved all those multiple NAT issues. But on the other hand we pay for that with a higher jitter rate. The question is, if anyone has experience if this issue maybe can be solved by running the Sip Server on a standalone hardware plugged into network Port on our Hardware Firewall, instead of a virtual Machine running on VM with virtual switches and so on. The current SIP Server has a Public IP Address, but all the Traffic runs thru Firewall, VPN, Hardware Switches and Virtual Switches. What you think? Thanks a Lot Nice regards Gerhard Pinter

4 5

count of registered users or count of tls connections
by Karthik Srinivasan 24 May '18

24 May '18

Hello, Via the routing file i am trying to find access two items:

2 5

Core Value : myself
by Duarte Rocha 23 May '18

23 May '18

Greetings, I'm doing some work with the AUTH routes and modules, and sometimes i get a "403 Not relaying" answer when the INVITE has a parameter in the R-URI. That parameter was not included in the REGISTER. I think it's this part of the code that throws this reply : # if caller is not local subscriber, then check if it calls # a local destination, otherwise deny, not an open relay here if (from_uri!=myself && uri!=myself) { sl_send_reply("403","Not relaying"); exit; } Does a different or new parameter in the R-URI trigger the "uri!=myself" ? if so, can I set it up to check R-URI but not check the parameters? Thanks

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sr-users May 2018