[SR-Users] Problem with selection Transport Protocol - MultiHomed Problem

Daniel-Constantin Mierla miconda at gmail.com
Mon Dec 17 08:49:55 CET 2018


Hello,


at least the next line:


$ru=$ru+"transport=tcp";


should be like:


$ru=$ru+";transport=tcp";


Note the ; in front of transport.


But in this case, do you want to change the request uri (r-uri/$ru) or
destination uri ($du)?


Cheers,
Daniel


On 17.12.18 08:26, YAS0 CANER wrote:
> Hello,
>
> rewritehostporttrans function solves my problem. but there is another
> problem. rewritehostporttrans function dont pass $avp(val) so
> t_relay() gives invalid uri Error.
>
> Thanks
>
> For example
>
> 1: it works good 
> rewritehostporttrans("test1.test:5060;transport=tcp");
>
> if (!t_relay_to_tcp()) {
>       xlog("L_ERR", "Error t_relay \n");
>       t_reply("500","Server - ERROR ");
>       exit;
>     }
> xlog([uri-dst : test1.test:5060;transport=tcp]  [uri-now : <null> ])
>
> 2: invalid uri error
>
> $avp(dstx)=$_s($rd:$rp;transport=tcp);
> rewritehostporttrans("$avp(dstx)");
>
> xlog([uri-dst : test1.test:5060;transport=tcp]  [uri-now : <null> ])
>
> 3: invalid uri error
>
> $avp(dstx)=$rd+":"+$rp+";transport=tcp;";
> rewritehostporttrans("$avp(dstx)");
>
> xlog([uri-dst : test1.test:5060;transport=tcp]  [uri-now : <null> ])
>
> 4: invalid uri error
>
> $ru=$ru+"transport=tcp";
>
> 5:invalid Uri  error
>
> $var(dstx)=$_s($rd:$rp;transport=tcp);
> rewritehostporttrans("$var(dstx)");
>
> xlog([uri-dst : test1.test:5060;transport=tcp]  [uri-now : <null> ])
>
>
> ------------------------------------------------------------------------
> *From:* Daniel-Constantin Mierla <miconda at gmail.com>
> *Sent:* Friday, December 14, 2018 5:08 PM
> *To:* Kamailio (SER) - Users Mailing List; YAS0 CANER
> *Subject:* Re: [SR-Users] Problem with selection Transport Protocol -
> MultiHomed Problem
>  
>
> Hello,
>
>
> is there any naptr or srv dns record behind test1.test domain? Or just
> A/CNAME record?
>
>
> Cheers,
> Daniel
>
>
> On 14.12.18 14:35, YAS0 CANER wrote:
>> Hello;
>>
>> i want to force message to send over TCP and IPv6 . so it should be
>> R/W variable. When i set $fs or force_send_socket() it gives error
>> about mismatch protocol !
>>
>> Thanks.
>>
>> Yasin CANER
>> ------------------------------------------------------------------------
>> *From:* sr-users <sr-users-bounces at lists.kamailio.org>
>> <mailto:sr-users-bounces at lists.kamailio.org> on behalf of YAS0 CANER
>> <caner_yaso at hotmail.com> <mailto:caner_yaso at hotmail.com>
>> *Sent:* Friday, December 14, 2018 4:27 PM
>> *To:* Kamailio (SER) - Users Mailing List
>> *Subject:* [SR-Users] Problem with selection Transport Protocol -
>> MultiHomed Problem
>>  
>> Hello , 
>> i have trouble  about selection transport protocol. i have tried so
>> many thing but couldnt find TM selected which IPv? and protocol type
>> (TCP or UDP)
>>
>>
>> For example;
>> i have 2 interface ipv6 and ipv4.  i will route my message
>> (INVITE-Register etc.) another node  that use TCP and IPV6 , domain
>> name is test1.test. TM module or some module resolve this domain to
>> IPV6:UDP  but i want to sent it over IPV6:TCP socket.  so i cannot
>> know which protocol is resolved and cannot route the right socket. 
>>
>> $du variable show only sip:ali at test1.test <sip:ali at test1.test>>
>> Conclusion : There isn't any pseudo value about which _destination of
>> IP version_  will use.
>>
>>
>> Thanks 
>>
>>
>> Flow:
>>
>> UAC (IPv4:UDP) ----------> Kamailio (MultiHomed)  ----> 
>> (TCP:IPv6)Kamailio
>>
>> ----
>> Kamailo (multiHomed ) cfg
>> ------
>> auto_bind_ipv6=1
>> dns_try_ipv6=yes
>> dns_retr_time=1
>> dns_retr_no=1
>> dns_cache_flags=4
>> mhomed=1
>> fork=yes
>> tcp_source_ipv6 = [fd61:c23c:b3b6::5]
>> listen=tcp:[fd61:c23c:b3b2::5]:5060
>> listen=udp:[fd61:c23c:b3b2::5]:5060
>> listen=udp:192.168.1.107:5060
>> listen=tcp:192.168.1.107:5060
>>
>>
>> route []{
>>
>>   if($dP=="TCP"){
>>     xlog("L_INFO","[route] [TCP] 1\n");
>>     if (!t_relay_to_tcp()) {
>>       xlog("L_ERR", "Error t_relay  [route] \n");
>>       t_reply("500","Server - ERROR ");
>>       exit;
>>     }
>>   } else if($dP=="TCP"){
>>     xlog("L_INFO","[route] [TCP] 2\n");
>>     if (!t_relay_to_tcp()) {
>>       xlog("L_ERR", "Error t_relay  [route] \n");
>>       t_reply("500","Server - ERROR ");
>>       exit;
>>     }
>>   }else if($dP=="UDP"){
>>     xlog("L_INFO","[route] [UDP] 1\n");
>>     if (!t_relay_to_udp()) {
>>       xlog("L_ERR", "Error t_relay  [route] \n");
>>       t_reply("500","Server - ERROR ");
>>       exit;
>>     }
>>   }else{
>>     xlog("L_INFO","[route] [??] 1\n");
>>     if (!t_relay()) {
>>       xlog("L_ERR", "Error t_relay  [route] \n");
>>       t_reply("500","Server - ERROR ");
>>       exit;
>>     }
>>   }
>> }
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> -- 
> 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>
> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com <http://www.kamailioworld.com>
> Kamailio Advanced Training -- www.asipto.com <http://www.asipto.com>

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com
Kamailio Advanced Training -- www.asipto.com

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