[sr-dev] [tracker] Comment added: kamailio sometimes crash when handling failure events

[sip-router]

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The following task has a new comment added:

FS#427 - kamailio sometimes crash when handling failure events
User who did this - Pawel Sternal (Sternik)

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I use two times event_route. First:
<code>
event_route[cnxcc:call-shutdown]{
    xlog("L_NOTICE", "LOG:$ci (route CCF-Call-Shutdown) Message buffer: $mb\n");

    avp_db_query("select o_from,o_to,r_from,r_to,ftag,aba_contact,abb_contact,icid,mcid,icid_var from dialog_data where callid='$ci'",
         "$avp(o_from);$avp(o_to);$avp(r_from);$avp(r_to);$avp(ftag);$avp(aba_contact);$avp(abb_contact);$avp(9051);$avp(9050);$avp(icid_next)");

    # End RTP session
    xlog("L_INFO", "LOG (route GET_RTPPROXY_SET) did = $avp(did)\n");
    # if did is empty, trying to get from db
    if($avp(did)==$null){
        avp_db_query("select did from dialog_data where callid='$ci'","$avp(did)");
    }

    xlog("L_INFO", "LOG (route GET_RTPPROXY_SET) did = $avp(did)\n");
    if($avp(did)==1){
        set_rtp_proxy_set("1");
    }else{
        set_rtp_proxy_set("2");
    }
    rtpproxy_destroy();

    # Saving $TS
    avp_db_query("update dialog_data set last_cc_event_timestamp='$TS' where callid='$ci'");

    # Sending ACC Stop
    $avp(acr_type)="Stop";
    acc_rad_request("200 OK");
    acc_log_request("200 OK");
}
</code>

And second:
<code>
event_route[tm:local-request]{
    xlog("L_NOTICE", "LOG:$ci (event route LOCAL-REQUEST) Method: $rm\n");
    if(is_method("OPTIONS")) route(LOCAL_REQUEST_OPTIONS);

    #!ifdef PUA_DIALOG_INFO
    else if(is_method("PUBLISH")) route(LOCAL_REQUEST_PUBLISH);
    #!endif

    else {
        xlog("L_NOTICE", "LOG:$ci (route tm:local-request) Method: $rm\n");
    }
}

route[LOCAL_REQUEST_OPTIONS]{
    if($hdr(X-CRX-Info)=="AliveTest"){t_on_reply("ALIVE_TEST");}
}
</code>

About route(LOCAL_REQUEST_PUBLISH) I'll send you privately if you don't mind. 

I applied this patch an upraded for nodes. And looks like it works:
<code>
May 16 20:49:52 node02 /usr/sbin/kamailio[23729]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa50299a4 ref from 0 with 1
May 16 20:49:58 node02 /usr/sbin/kamailio[23691]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa4dc9040 ref from 0 with 1                                                                            
May 16 20:50:13 node02 /usr/sbin/kamailio[23735]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa4ed1c00 ref from 0 with 1
May 16 20:50:40 node02 /usr/sbin/kamailio[23729]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa5039480 ref from 0 with 1
May 16 20:51:36 node02 /usr/sbin/kamailio[23694]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa4dc9040 ref from 0 with 1                                                                            
May 16 20:51:54 node02 /usr/sbin/kamailio[23733]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa50272d0 ref from 0 with 1
May 16 20:52:08 node02 /usr/sbin/kamailio[23688]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa5039480 ref from 0 with 1                                                                            
May 16 20:52:15 node02 /usr/sbin/kamailio[23736]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa4dc9040 ref from 0 with 1
May 16 20:52:19 node02 /usr/sbin/kamailio[23699]: ERROR: dialog [dlg_hash.c:775]: link_dlg(): info - dlg 0xa5052464 ref from 0 with 1
</code>

today restart doesn't occurred :/
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More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=427#comment1452

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