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[Kamailio-Users] more type conversion wonders
by jh＠tutpro.com 31 Mar '10

31 Mar '10

i played a bit more with selects and found that statement if ($sht(auth=>foo::count) > @cfg_get.local.gw_timeout) { xlog("foo"); } produces error 0(9213) : <core> [cfg.y:3379]: parse error in config file /etc/sip-proxy/sip-proxy.cfg, line 507, column 28-55: bad expression: type mismatch: str instead of int at (507,55) but the error goes away if i either make explicit conversion if ($sht(auth=>foo::count) > (int)(a)cfg_get.local.gw_timeout) { xlog("foo"); } or use $sel if ($sht(auth=>foo::count) > $sel(cfg_get.local.gw_timeout)) { xlog("foo"); } this is thus exactly opposite than in my t_set_fr ordeal where i got conversion error when i used $sel instead of @. in my opinion, no (int) conversion should be needed in the firs case, because the value of the cfg variable is int. in summary, writing statements that include selects is very difficult and error prone. -- juha

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[Kamailio-Users] Registrar: Save modified contact / set the q value
by NeoTel Lists 31 Mar '10

31 Mar '10

Hello Everybody! Is there any way to save(domain, 0x02) the contact after it has been changed somehow in Kamailio <= 1.5? Do I have to upgrade to 3.0 and use msg_apply_changes() before save()? Or: Can I set the to be saved q value somehow? br Walter

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Re: [Kamailio-Users] Registrar: Save modified contact / set the qvalue
by NeoTel Lists 30 Mar '10

30 Mar '10

Again sorry, too much trial&error makes a lot of noise ... if (avp_subst("$(avp(contact))", "/;phone-context=q([01]\.[0-9]+)(.*>)?([^>]*)/\2\3;q=\1/i")) { # just to have it handy int that var(Q) $var(Q) = $(avp(contact){s.select,1,>}{param.value,q}); remove_hf("Contact"); append_hf("Contact: $(avp(contact))\r\n"); # must not add q= twice } -> Same result: q=-1 in Database. -----Ursprüngliche Nachricht----- Von: users-bounces(a)lists.kamailio.org [mailto:users-bounces@lists.kamailio.org] Im Auftrag von NeoTel Lists Gesendet: Dienstag, 30. März 2010 18:56 An: Alex Balashov; users(a)lists.kamailio.org Betreff: Re: [Kamailio-Users] Registrar: Save modified contact / set the qvalue Sorry for being unclear: I meant: Modify the contact in the script, then do save(). E.g. $(avp(contact)) = $ct; # Those Patton can't send the q value ... Misuse their ;phone-context param if (avp_subst("$(avp(contact))", "/;phone-context=q([01]\.[0-9])(.*>)?([^>]*)/\2\3;q=\1/i")) { # just to have it handy int that var(Q) $var(Q) = $(avp(contact){s.select,1,>}{param.value,q}); remove_hf("Contact"); append_hf("Contact: $(avp(contact));q=$var(Q)r\n"); # subst() does the same, also not save()ed } ... setbflag(1); fix_nated_register(); save("contactimpl_nat", "0x02"); Br Walter -----Ursprüngliche Nachricht----- Von: users-bounces(a)lists.kamailio.org [mailto:users-bounces@lists.kamailio.org] Im Auftrag von Alex Balashov Gesendet: Dienstag, 30. März 2010 17:58 An: users(a)lists.kamailio.org Betreff: Re: [Kamailio-Users] Registrar: Save modified contact / set the q value On 03/30/2010 11:36 AM, NeoTel Lists wrote: > Hello Everybody! > Is there any way to save(domain, 0x02) the contact after it has been > changed somehow in Kamailio <= 1.5? If it were not possible, how would nathelper:fix_nated_contact() work? -- Alex Balashov - Principal Evariste Systems LLC Tel : +1 678-954-0670 Direct : +1 678-954-0671 Web : http://www.evaristesys.com/ _______________________________________________ Kamailio (OpenSER) - Users mailing list Users(a)lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users _______________________________________________ Kamailio (OpenSER) - Users mailing list Users(a)lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users

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Re: [Kamailio-Users] Registrar: Save modified contact / set the q value
by NeoTel Lists 30 Mar '10

30 Mar '10

Sorry for being unclear: I meant: Modify the contact in the script, then do save(). E.g. $(avp(contact)) = $ct; # Those Patton can't send the q value ... Misuse their ;phone-context param if (avp_subst("$(avp(contact))", "/;phone-context=q([01]\.[0-9])(.*>)?([^>]*)/\2\3;q=\1/i")) { # just to have it handy int that var(Q) $var(Q) = $(avp(contact){s.select,1,>}{param.value,q}); remove_hf("Contact"); append_hf("Contact: $(avp(contact));q=$var(Q)r\n"); # subst() does the same, also not save()ed } ... setbflag(1); fix_nated_register(); save("contactimpl_nat", "0x02"); Br Walter -----Ursprüngliche Nachricht----- Von: users-bounces(a)lists.kamailio.org [mailto:users-bounces@lists.kamailio.org] Im Auftrag von Alex Balashov Gesendet: Dienstag, 30. März 2010 17:58 An: users(a)lists.kamailio.org Betreff: Re: [Kamailio-Users] Registrar: Save modified contact / set the q value On 03/30/2010 11:36 AM, NeoTel Lists wrote: > Hello Everybody! > Is there any way to save(domain, 0x02) the contact after it has been > changed somehow in Kamailio <= 1.5? If it were not possible, how would nathelper:fix_nated_contact() work? -- Alex Balashov - Principal Evariste Systems LLC Tel : +1 678-954-0670 Direct : +1 678-954-0671 Web : http://www.evaristesys.com/ _______________________________________________ Kamailio (OpenSER) - Users mailing list Users(a)lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users

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[Kamailio-Users] Quick REGEX to match Private IP
by Uriel Rozenbaum 30 Mar '10

30 Mar '10

Hi guys, Does anyone have a REGEX syntax to match a private IP on the 192.168.x.x range? I'm trying with: if($avp(s:ip_origen)=~"192.168(\.([1]?\d{1,2}|2[0-4]{1}\d{1}|25[0-5]{1})){2}" ) But all IPs pass as private, even public ones. Thanks! Uriel

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[Kamailio-Users] Fast lock loop with arm
by Zappasodi Daniele 30 Mar '10

30 Mar '10

Hi, I have a big problem with fast lock mutex on arm CPU: sometimes I find one or more children that go in an infinite loop, in the while loop of get_lock function. They remain in Run for long time (sometimes hours) and openser keeps 100% CPU. Now I have changed the functions get_lock and tsl in order to obtain more info and I observe that (if and) when the process finish the cycle, it have done a big amount of cycles. This the log with my added info: Mar 26 20:29:08 SAM-IP openser[1645]: NOTICE:tm:_lock: ret 1 (cycle) Mar 26 20:29:51 SAM-IP openser[1645]: NOTICE:tm:_lock: ret 1 (cycle) Mar 26 20:29:55 SAM-IP openser[1645]: NOTICE:tm:_lock: ret 1 (cycle) Mar 26 20:29:55 SAM-IP openser[1645]: NOTICE:tm:t_retransmit_reply: MYTM lock [process in loop] Mar 26 20:33:46 SAM-IP openser[1645]: NOTICE:tm:_lock: ret 59374917 (cycle) [after 4 minutes and 59374917 cycles, this is an example with a "short" loop] Mar 26 20:33:46 SAM-IP openser[1645]: NOTICE:tm:t_retransmit_reply: MYTM lock done I'm not able to recognize the call flow that generates the loop (I know only that it always happens when t_retransmit_reply calls LOCK_REPLIES), but I urgently need a work around to escape from the loop. This is the get_lock function with my counter j: inline static int get_lock(fl_lock_t* lock) { #ifdef ADAPTIVE_WAIT int i=ADAPTIVE_WAIT_LOOPS; int j=1; /***** my change ****/ #endif while(tsl(lock)){ #ifdef BUSY_WAIT #elif defined ADAPTIVE_WAIT j++; /***** my change ****/ if (i>0) i--; else sched_yield(); #else sched_yield(); #endif } return(j); } Can I break the lock when my counter reaches a big value? Should I call the unlock function after the break? which value can be considered too big? Thanks, Daniele ********************************************************************** The information in this message is confidential and may be legally privileged. It is intended solely for the addressee. Access to this message by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, or distribution of the message, or any action or omission taken by you in reliance on it, is prohibited and may be unlawful. Please immediately contact the sender if you have received this message in error. **********************************************************************

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[Kamailio-Users] Kammailio as proxy and clustered asterisk as registrar
by Vic Jolin 30 Mar '10

30 Mar '10

Hi, I would like to seek help from the list regarding my setup. I have kamailio setup to send any sip messages to load balance asterisk clusters. The registration part is successful. The calling part is not, calls get dropped, I believe it's rtp issue or maybe nat. I'm very new to kamailio and would like to ask for help on this. Tia!

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[Kamailio-Users] kam 1.5 sqlops sql_query timeout value
by Robert McGilvray 30 Mar '10

30 Mar '10

Hello, I'm using the sqlops module for some custom queries against mysql. Sometimes during a cluster failure the mysqld nodes will hang there waiting for the backend to finish up whatever it's doing, it still accepts the connection and the query but doesn't return results. I have a pair of F5 load balancers in front of the two sql nodes, so there is redundancy as long as the cluster is operational. I'd prefer to keep the cross-site failover in kamailio. I looked through the docs on sqlops and I can't find any reference to a timeout value. I'd like to implement a failover in the script to my other database cluster but if kam waits for a long time before returning a negative it may not work very well. Consider this code in my script for 911 services in my US offices: (I rewrite the rpid/pai and ruri based on IP address then send it to my provider(s)) modparam("sqlops","sqlcon","gokam=>mysql://*****:*****@172.20.180.21/sip _gokam") if (!sql_query("gokam", "select location,cidname,cidnum,ciddomain,e911number,inet_ntoa(network) as network,inet_ntoa(netmask) \ as netmask from e911 where (inet_aton('$si') & netmask) = network", "result")) { sl_send_reply("500", "Database error"); exit; } What I'd like to do is: modparam("sqlops","sqlcon","gokam=>mysql://****:****@172.20.180.21/sip_g okam") modparam("sqlops","sqlcon","gokam_site2=>mysql://*****:*****@172.23.180. 21/sip_gokam") if (!sql_query("gokam", "select location,cidname,cidnum,ciddomain,e911number,inet_ntoa(network) as network,inet_ntoa(netmask) \ as netmask from e911 where (inet_aton('$si') & netmask) = network", "result")) { xlog("L_CRIT", "Primary database failure, using alternate\n"); if (!sql_query("gokam_site2", "select location,cidname,cidnum,ciddomain,e911number,inet_ntoa(network) as network,inet_ntoa(netmask) \ as netmask from e911 where (inet_aton('$si') & netmask) = network", "result")) { sl_send_reply("500", Database error"); exit; } What is the default timeout for sql_query before it returns a negative, is it configurable? Thanks! Bob -------------------------------------------------------------------------- This email with all information contained herein or attached hereto may contain confidential and/or privileged information intended for the addressee(s) only. If you have received this email in error, please contact the sender and immediately delete this email in its entirety and any attachments thereto.

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[Kamailio-Users] get warning when sip client is not online
by s.maertens＠telenet.be 30 Mar '10

30 Mar '10

Hello, I have a kamailio setup running for several SIP devices. I would like to be warned whenever one of those devices is not reacheable anymore. That means when they go offline or are not anymore registered to the kamailio server. (timeout, unregister, ...). I am using the location table so we would be able to write a script that just at specific times checks the difference between the subscriber table and the location table but maybe there is a much better and more realtime solution. So basically the question is : how to execute a script whenever a host gets removed fom the location table. I am running Kamailio 3.0.1 All hints are very much appreciated :)

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[Kamailio-Users] GSoC 2010 Student Registration is Open
by Daniel-Constantin Mierla 30 Mar '10

30 Mar '10

Hello, if you are a student (or know one) interested in working with SIP and Presence over the summer, earn some money and experience, you have the choice of Kamailio - SIP Router project within SIP Communicator organization: http://www.kamailio.org/w/gsoc-2010/ Registration is now open, up to April 9, more details in above link. If you have further questions, drop an email. Cheers, Daniel -- Daniel-Constantin Mierla * http://www.asipto.com/ * http://twitter.com/miconda * http://www.linkedin.com/in/danielconstantinmierla

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