[SR-Users] pua_xmpp questions

laura testi lau.testi at gmail.com
Sat Aug 13 11:57:29 CEST 2011


You are right! Sorry for the inconvenience. Can you make diff in the
correct order with the new files I have sent?

Best Regards,
Laura

On Fri, Aug 12, 2011 at 10:58 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
> I applied the patches to master branch. One seemed to be in the reverse
> order (diff between file.new and file.old instead of diff between file.old
> and file.new), can you double-check if that is ok? If fine, then I will
> backport to 3.1 branch as well.
>
> Cheers,
> Daniel
>
> On 8/10/11 1:44 PM, Daniel-Constantin Mierla wrote:
>
> Hi Laura,
>
> thanks, I will apply the patches soon.
>
> Cheers,
> Daniel
>
> On 8/10/11 12:32 PM, laura testi wrote:
>
> Hi Daniel,
> please find the attached diff files and the files patched.
>
> Best Regards,
> Laura
>
> On Tue, Aug 9, 2011 at 4:34 PM, Daniel-Constantin Mierla
> <miconda at gmail.com> wrote:
>
> Hi Laura,
>
> thanks for the patches. I will apply them. Can you attach the patches as
> files instead of pasting them inline, so I can just download them from email
> and apply? The mail client breaks the withe-spacing and will take me some
> time to align them.
>
> Cheers,
> Daniel
>
> On 8/8/11 6:00 PM, laura testi wrote:
>
> Thank you very much for your reply.
>
> Finally we have successfully configure the xmpp gateway to work (both
> presence and IM) with another kamailio server which provide SIP
> REGISTRAR/PROXY/PRESENCE (with integrated xcap function).
>
> The key points are to put the server address parameter of presence and
> pua_xmpp module to the gateway itself instead of the main Presence
> Server of the SIP/SIMPLE domains. But the outbound_proxy of the xmpp
> module must point to the main PROXY server of the SIP/SIMPLE domains.
> The outbound_proxy of pua is not specify, so it point itself.
>
> following are this part of the configuration:
> modparam("xmpp", "outbound_proxy", "<main_proxy_uri>")
> modparam("presence", "server_address", "sip:10.10.5.210:5060")
> modparam("pua_xmpp", "server_address", "sip:10.10.5.210:5060")
>
> Now it works fine withe some bugs:
> - xmpp add sip contact: ok
> - sip add xmpp contact: ok
> - xmpp see the sip contact presence: ok
> - sip see the xmpp contact presence: ok
> - sip IM to xmpp: ok
> - xmpp IM to sip: ok
>
> the bugs we found are following:
> - the online/offline status is ok in both direction (SIP<-->  XMPP)
> - other status (away/busy) is not ok from XMPP to SIP
> - busy status is not ok from SIP to XMPP
> - each time XMPP contact change the status, triger a new SUBSCRIBE in xmpp
>   gateway which generate multiple same subscriptions with different callid
>   in both active_watchers and pua tables. This also makes multiple
> multiple NOTIFY
>   generation from the main Presence Server to GW when the SIP contact
> change
>   it's status
>
> We have make the following patches in the pua_xmpp module that fix the
> above bugs. Hope it can help.
>
> -------------------------------------------------------------------------------------------------------------------------
> # diff -u simple2xmpp.c.orig simple2xmpp.c
> --- simple2xmpp.c.orig  2011-08-05 16:11:55.000000000 +0200
> +++ simple2xmpp.c       2011-08-08 14:57:25.000000000 +0200
> @@ -87,7 +87,7 @@
>         if(msg->to->parsed != NULL)
>         {
>                 pto = (struct to_body*)msg->to->parsed;
> -               LM_ERR("'To' header ALREADY
> PARSED:<%.*s>\n",pto->uri.len,pto->uri.s);
> +               LM_DBG("'To' header ALREADY
> PARSED:<%.*s>\n",pto->uri.len,pto->uri.s);
>         }
>         else
>         {
> @@ -415,7 +415,8 @@
>                 goto error;
>         }
>
> -       if(xmlStrcasecmp((unsigned char*)note, (unsigned char*)"away")==
> 0)
> +       if((xmlStrcasecmp((unsigned char*)note, (unsigned char*)"away")==
> 0)||
> +                       (xmlStrcasecmp((unsigned char*)note, (unsigned
> char*)"On the phone")== 0))
>         {
>                 new_node = xmlNewChild(xmpp_root, NULL, BAD_CAST "show",
>                                 BAD_CAST "away");
> @@ -456,12 +457,14 @@
>                                         LM_ERR("while adding node:
> idle\n");
>                                         goto error;
>                                 }
> -                       }
> -                       else */
> +                       }*/
> +                       else
>                                 if((xmlStrcasecmp((unsigned char*)note,
>                                         (unsigned char*)"dnd")== 0)||
>                                         (xmlStrcasecmp((unsigned
> char*)note,
> -                                               (unsigned char*)"do
> not disturb")== 0))
> +                                               (unsigned char*)"do
> not disturb")== 0)||
> +                                       (xmlStrcasecmp((unsigned
> char*)note,
> +                                       (unsigned char*)"Busy (DND)")==
> 0))
>                                 {
>                                         new_node =
> xmlNewChild(xmpp_root, NULL, BAD_CAST "show",
>                                                         BAD_CAST "dnd");
> @@ -471,6 +474,8 @@
>                                                 goto error;
>                                         }
>                                 }
> +                               else
> +                                       LM_DBG("Not Found Status\n");
>
>
>         /* adding status node */
>
>
>
>
> -------------------------------------------------------------------------------------------------------------------------
> # diff -u xmpp2simple.c.orig xmpp2simple.c
> --- xmpp2simple.c.orig  2011-08-05 12:37:48.000000000 +0200
> +++ xmpp2simple.c       2011-08-08 15:51:56.000000000 +0200
> @@ -76,13 +76,13 @@
>         {
>                 LM_DBG("type attribut not present\n");
>                 build_publish(pres_node, -1);
> -               if(presence_subscribe(pres_node, 3600, XMPP_SUBSCRIBE)<
>  0)
> +       /*      if(presence_subscribe(pres_node, 3600, XMPP_SUBSCRIBE)<
>  0)
>                 {
>                                 LM_ERR("when sending subscribe for
> presence");
>                                 xmlFree(pres_type);
>                                 goto error;
>                 }
> -
> +       */
>
>                 /* send subscribe after publish because in xmpp
> subscribe message
>                  * comes only when a new contact is inserted in buddy list
> */
> @@ -161,6 +161,8 @@
>         char* type= NULL;
>         char* status= NULL;
>
> +
> +
>         LM_DBG("start\n");
>
>         entity=(char*)pkg_malloc(7+ strlen(uri)*sizeof(char));
> @@ -243,13 +245,13 @@
>         if(show_cont)
>         {
>                 if(strcmp(show_cont, "xa")== 0)
> -                       status= "not available";
> +                       status= "Away";
>                 else
>                         if(strcmp(show_cont, "chat")== 0)
> -                               status= "free for chat";
> +                       status= "Online";
>                 else
>                         if(strcmp(show_cont, "dnd")== 0)
> -                               status= "do not disturb";
> +                       status= "Busy (DND)";
>                 else
>                         status= show_cont;
>         }
> @@ -264,8 +266,8 @@
>                         goto error;
>                 }
>                 */
> -               node = xmlNewChild(root_node, NULL, BAD_CAST "note",
> -                               BAD_CAST status_cont);
> +               node = xmlNewChild(tuple_node, NULL, BAD_CAST "note",
> +                               BAD_CAST status);
>                 if(node== NULL)
>                 {
>                         LM_ERR("while adding node\n");
> @@ -273,8 +275,8 @@
>                 }
>         }else
>                 if(show_cont)
> -               {
> -                       node = xmlNewChild(root_node, NULL, BAD_CAST
> "note",
> +               {
> +                       node = xmlNewChild(tuple_node, NULL, BAD_CAST
> "note",
>                                         BAD_CAST status);
>                         if(node== NULL)
>                         {
> @@ -295,23 +297,6 @@
>                                 goto error;
>                         }
>                 }
> -               node=  xmlNewChild(person_node, NULL, BAD_CAST
> "activities",
> -                               BAD_CAST 0);
> -               if(node== NULL)
> -               {
> -                       LM_ERR("while adding node\n");
> -                       goto error;
> -               }
> -
> -
> -               if( xmlNewChild(person_node, NULL, BAD_CAST "note",
> -                                       BAD_CAST status )== NULL)
> -               {
> -                       LM_ERR("while adding node\n");
> -                       goto error;
> -               }
> -
> -
>         }
>
>
>
>
>
>
>
>
>
>
>
>
> On Mon, Aug 1, 2011 at 12:10 PM, Daniel-Constantin Mierla
> <miconda at gmail.com>  wrote:
>
> Hello,
>
> On 7/29/11 10:32 AM, laura testi wrote:
>
> Hi all,
> we are trying to setup a kamailio presence server in SIP/SIMPLE domain
> to interwork with XMPP domains including the GTalk (see the config
> below). The architecture is like this:
> - SIP/SIMPLE server: kamailio3.14 with full configuration with XCAP
> integration
> - XMPP Gateway: another kamailio server + ejabberd server
>     - component mode
>     - xmpp moduleL: outbound proxy to the Kamailio SIP/SIMPLE server
>     - pua_xmpp: no outbound proxy?
> - XMPP server: ejabberd
>
> The users from XMPP domain can add the SIP account and see the
> presence of the SIP users, but not vice versa. The chat from both
> directions works fine.
>
> in the Presence Server, we have configured the kamailio with XCAP
> integration. We have the following doubts:
> - does pua_xmpp/pua modules need the xcap integration for the presence
> integration with xmpp domains?
>
> no, there is no requirement of xcap for sip-xmpp presence gatewaying.
>
>   because to use xcap for presence authorization rules, it needs the
> sip clients support the xcap
> - does pua_xmpp/pua support xcap? otherwise how to works?
>
> This mechanism of auth rules in SIP is not compatible with XMPP, afaik.
> In
> xmpp they have in-band (using XMPP) transfer of the buddy list, unlike in
> SIMPLE where is XCAP over HTTP -- it is more like end-to-end presence
> model
> from early sip specifications.
>
>
> - in case of multiple SIP/SIMPLE presence server, how we can configure
> the server_address of
>   pua_xmpp and presence parameter in xmpp gw?
>
> Either use many instances or, as workaround, somehow route the traffic to
> itself or other instance in order to re-write some headers.
>
> Cheers,
> Daniel
>
>
> Can you help us to clarify the doubts please?
>
> Many thanks in advanced!
>
> Best Regards,
> Laura
>
>
> PS: following are the main configuration of the xmpp GW:
>
>
> ---------------------------------------------------------------------------------------------
> ...
> modparam("xmpp", "domain_separator", "*")
> modparam("xmpp", "backend", "component")
> modparam("xmpp", "gateway_domain", "<mygwdomain>")
> modparam("xmpp", "xmpp_domain", "<mygwdomain>")
> modparam("xmpp", "xmpp_host", "127.0.0.1")
> modparam("xmpp", "xmpp_password", "secret")
> modparam("xmpp", "outbound_proxy", "<my oubound proxy uri>")
> modparam("pua", "outbound_proxy", "<my outbound proxy uri>")
> modparam("pua", "update_period", 60)
> modparam("pua", "default_expires", 1200)
> modparam("presence", "server_address", "<my presence server uri>")
> modparam("pua_xmpp", "server_address", "<my presence server uri>")
>
>
>
> route{
>   route(REQINIT);
>   t_check_trans();
>
>  if (uri =~ "sip:.+ at .*<myxmppdomain>") {
>     route(PRESENCE);
>     if ($rU==$null)
>     {
>       # request with no Username in RURI
>       sl_send_reply("484","Address Incomplete");
>       exit;
>     }
>     route(CHAT);
>   }
>
>  xlog("L_INFO", "*** xmpp: unhandled message type\n");
>  t_reply("503", "Service unavailable");
>  return;
>
> }
>
> ...
>
> route[CHAT] {
>        if(!is_method("MESSAGE"))
>             return;
>
>        if (!t_newtran()) {
>           sl_reply_error();
>           exit;
>        }
>
>        xlog("L_INFO", "*** xmpp-handled MESSAGE message.");
>        if ($cT=~"^text/plain") {
>                if (xmpp_send_message()) {
>                  t_reply("200", "Accepted");
>                } else {
>                  t_reply("404", "Not found");
>                }
>        } else {
>                xlog("L_INFO", "*** xmpp-handled MESSAGE, ignoring not
> text
> messages");
>                t_reply("200", "Accepted");
>        }
>
>        t_release();
>        exit;
> }
>
> route[PRESENCE] {
>   if(!is_method("PUBLISH|SUBSCRIBE|NOTIFY"))
>     return;
>
>   # create new transaction to catch retransmissions
>   if (!t_newtran())
>   {
>     sl_reply_error();
>     exit;
>   }
>
>   if( is_method("NOTIFY"))
>   {
>     xlog("L_INFO", "*** xmpp-handled NOTIFY message.");
>                if(pua_xmpp_notify())
>                        t_reply("200", "OK");
>                t_release();
>                exit;
>   } else if( is_method("SUBSCRIBE"))
>        {
>                xlog("L_INFO", "*** xmpp-handled SUBSCRIBE message.\n");
>                handle_subscribe();
>                if($(hdr(Event))== "presence")
>                {
>                        pua_xmpp_req_winfo("$ruri", "$hdr(Expires)");
>                }
>                t_release();
>                exit;
>  } else if(is_method("PUBLISH"))
>  {
>     handle_publish();
>     t_release();
>     exit;
>  }
> }
>
> ...
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda



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