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    Hello,<br>
    <br>
    Just to clear some things up, if you leave the second server offline
    and only start it after the active is down, then the ongoing dialogs
    will be automatically loaded by the secondary server at startup. The
    dlg_db_sync command is only useful when you have the second server
    online, and want to trigger a refresh of OpenSIPS memory based on
    what is in the DB.<br>
    <br>
    If you just start the secondary server &amp; do not issue
    dlg_db_sync, do you still have the same problem ?<br>
    If you can, please send us ( privately or via pastebin ) a full
    debug OpenSIPS log of the secondary server ( from startup, until the
    moment you want to access a dlg_var ).<br>
    <br>
    Regards,<br>
    <pre class="moz-signature" cols="72">Vlad Paiu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a> </pre>
    <br>
    On 05/16/2012 08:46 PM, Mariana Arduini wrote:
    <blockquote
cite="mid:CABHUZgD2tbgr6yFu_nVvaX=VWog0FPGX3BSkoVhbQ8Sbk5Lriw@mail.gmail.com"
      type="cite">Hi Vlad,
      <div><br>
      </div>
      <div>
        <meta http-equiv="content-type" content="text/html;
          charset=UTF-8">
        &gt; Does this also happen if you leave the second server
        offline, and start it after the active OpenSIPS is shut down
        (...) ?</div>
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div><br>
      </div>
      <div>Yes, that's exactly the test I've run.</div>
      <div><br>
      </div>
      <div>
        <meta http-equiv="content-type" content="text/html;
          charset=UTF-8">
        &gt; At the moment that you run dlg_db_sync, do you see the
        variables in the dialog DB table ?</div>
      <div><br>
      </div>
      <div>Yes.</div>
      <div><br>
      </div>
      <div>
        <meta http-equiv="content-type" content="text/html;
          charset=UTF-8">
        After you run dlg_db_sync, you say you cannot access the
        variables from the script, but you see them in dlg_list_ctx ?</div>
      <div><br>
      </div>
      <div>No, I don't see them in dlg_list_ctx, neither I can access
        them from the script.</div>
      <div><br>
      </div>
      <div>Thanks.</div>
      <div>Mariana.</div>
      <div><br>
        <div class="gmail_quote">On Wed, May 16, 2012 at 2:31 PM, Vlad
          Paiu <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:vladpaiu@opensips.org" target="_blank">vladpaiu@opensips.org</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
            0.8ex; border-left: 1px solid rgb(204, 204, 204);
            padding-left: 1ex;">
            <div bgcolor="#ffffff" text="#000000"> Hi Mariana,<br>
              <br>
              Does this also happen if you leave the second server
              offline, and start it after the active OpenSIPS is shut
              down, instead of leaving the second server up and running
              'dlg_db_sync' ?<br>
              <br>
              At the moment that you run dlg_db_sync, do you see the
              variables in the dialog DB table ?<br>
              After you run dlg_db_sync, you say you cannot access the
              variables from the script, but you see them in
              dlg_list_ctx ?<br>
              <br>
              Regards,<br>
              <pre cols="72">Vlad Paiu
OpenSIPS Developer
<a moz-do-not-send="true" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a> </pre>
              <div>
                <div class="h5"> <br>
                  On 05/16/2012 07:57 PM, Mariana Arduini wrote:
                  <blockquote type="cite">Hi Razvan,
                    <div><br>
                    </div>
                    <div>Do I need to open a bug about this issue
                      somewhere? I saw Bogdan's message about OpenSIPS
                      1.8 Stable being released tomorrow.</div>
                    <div><br>
                    </div>
                    <div>I think the problem is the dialog variables are
                      not being fetched from DB, either when OpenSIPS is
                      restarded, either when we run the new fifo command
                      dlg_db_sync.</div>
                    <div><br>
                    </div>
                    <div>Thanks again!</div>
                    <div>Mariana.<br>
                      <div><br>
                        <div class="gmail_quote">On Wed, May 16, 2012 at
                          8:06 AM, Mariana Arduini <span dir="ltr">&lt;<a
                              moz-do-not-send="true"
                              href="mailto:marianarduini@gmail.com"
                              target="_blank">marianarduini@gmail.com</a>&gt;</span>
                          wrote:<br>
                          <blockquote class="gmail_quote" style="margin:
                            0pt 0pt 0pt 0.8ex; border-left: 1px solid
                            rgb(204, 204, 204); padding-left: 1ex;">Hi,
                            Razvan!
                            <div><br>
                            </div>
                            <div>Thank you for the $DLG_dir
                              pseudovariable, it worked!</div>
                            <div><br>
                            </div>
                            <div>The variables are properly flushed into
                              the DB after 200 OK, and I can also see
                              them using "opensipsctl fifo
                              dlg_list_ctx", under context.</div>
                            <div><br>
                            </div>
                            <div>Even using the $DLG_dir for the
                              direction of a sequential request, I still
                              need to access either the caller_contact
                              or the callee_contact. Is there any other
                              way to have those apart from the
                              variables?</div>
                            <div><br>
                            </div>
                            <div>Thanks again!</div>
                            <div><span><font color="#888888">Mariana.</font></span>
                              <div>
                                <div><br>
                                  <br>
                                  <div class="gmail_quote">On Wed, May
                                    16, 2012 at 5:34 AM, Razvan Crainea
                                    <span dir="ltr">&lt;<a
                                        moz-do-not-send="true"
                                        href="mailto:razvan@opensips.org"
                                        target="_blank">razvan@opensips.org</a>&gt;</span>
                                    wrote:<br>
                                    <blockquote class="gmail_quote"
                                      style="margin: 0pt 0pt 0pt 0.8ex;
                                      border-left: 1px solid rgb(204,
                                      204, 204); padding-left: 1ex;">
                                      <div bgcolor="#FFFFFF"
                                        text="#000000"> <tt>Hi,
                                          Mariana!<br>
                                          <br>
                                          Can you check if the variables
                                          are properly flushed into the
                                          DB after 200OK?<br>
                                          Also, if you only want to
                                          check the direction of a
                                          sequential request, you could
                                          use directly the $DLG_dir [1]
                                          pseudovariable from the dialog
                                          module.<br>
                                          <br>
                                          [1] <a moz-do-not-send="true"
href="http://www.opensips.org/html/docs/modules/1.8.x/dialog.html#id295750"
                                            target="_blank">http://www.opensips.org/html/docs/modules/1.8.x/dialog.html#id295750</a></tt>
                                        <br>
                                        <tt><br>
                                          Regards,<br>
                                        </tt>
                                        <pre cols="72">--
Răzvan Crainea
OpenSIPS Developer
<a moz-do-not-send="true" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
                                        <div>
                                          <div> <br>
                                            On 05/15/2012 10:03 PM,
                                            Mariana Arduini wrote: </div>
                                        </div>
                                        <blockquote type="cite">
                                          <div>
                                            <div>Hello all,
                                              <div><br>
                                              </div>
                                              <div>We need to perform
                                                some substitutions in
                                                the R-URI and Contact
                                                header in order to have
                                                the following flow
                                                working as required:</div>
                                              <div><br>
                                              </div>
                                              <div>caller &gt; opensips1
                                                &gt; opensips2 &gt;
                                                callee</div>
                                              <div><br>
                                              </div>
                                              <div>Currently, opensips1
                                                stores "call_id",
                                                "caller_tag" and
                                                "caller_contact" Dialog
                                                variables  using
                                                function
                                                store_dlg_value() on new
                                                INVITES, and
                                                "callee_contact" on 200
                                                OK for the INVITES.
                                                Later, for sequential
                                                requests, it compares
                                                the from_tag with the
                                                caller_tag, accessed
                                                using fetch_dlg_value(),
                                                to find out whether it
                                                is a request from the
                                                caller or from the
                                                callee, and it works.
                                                Then I started working
                                                on failover for
                                                opensips1, and that's
                                                where I'm facing
                                                problems. I'm playing
                                                with
                                                "db_flush_vals_profiles"
                                                new parameter and
                                                "dlg_db_sync" new fifo
                                                command, both on Dialog
                                                module, in order to have
                                                a stand by opensips1
                                                taking over the dialogs
                                                going on in an active
                                                opensips1, in case it
                                                fails. This is the test:
                                                <div> <br>
                                                </div>
                                                <div>1) active opensips
                                                  is running listening
                                                  on virtual ip say
                                                  10.0.0.1</div>
                                                <div>2) caller sends
                                                  INVITE to 10.0.0.1,
                                                  which goes to active
                                                  opensips</div>
                                                <div>3) active opensips
                                                  is stopped and it's
                                                  virtual ip set
                                                  down; same virtual ip
                                                  is set up in stand by
                                                  opensips and it is
                                                  started; fifo command
                                                  dlg_db_sync is run on
                                                  stand by opensips</div>
                                                <div>4) caller sends BYE
                                                  to 10.0.0.1, which
                                                  goes to stand by
                                                  opensips</div>
                                                <div><br>
                                                </div>
                                                <div>After
                                                  loose_route(), stand
                                                  by opensips cannot
                                                  fetch_dlg_value for
                                                  "caller_tag" and the
                                                  R-URI is set to
                                                  0. Then I tried the
                                                  following, using only
                                                  one opensips:</div>
                                                <div><br>
                                                </div>
                                                <div>1) caller sends
                                                  INVITE to opensips</div>
                                                <div>2) fifo
                                                  command dlg_list_ctx
                                                  is run and shows all
                                                  of the variables I
                                                  stored</div>
                                                <div>3) opensips is
                                                  restarted and fifo
                                                  command dlg_db_sync is
                                                  run</div>
                                                <div> 4) fifo
                                                  command dlg_list_ctx
                                                  is run again and shows
                                                  only the dialog info,
                                                  not the variables in
                                                  context</div>
                                                <div> <br>
                                                </div>
                                                <div>I also
                                                  tried get_dialog_info("caller_tag","$var(caller_tag)","call_id","$ci");
                                                  and $dlg_val(), but
                                                  yet the variables are
                                                  not found:</div>
                                                <div><br>
                                                </div>
                                                <div>
                                                  <div>
                                                    <div> 22232:
                                                      DBG:dialog:fetch_dlg_value:
                                                      looking for
                                                      &lt;caller_tag&gt;</div>
                                                    <div>22232:
                                                      DBG:dialog:fetch_dlg_value:
                                                      var NOT found!</div>
                                                    <div>22232:
                                                      ERROR:core:do_assign:
                                                      no value in right
                                                      expression</div>
                                                    <div>22232:
                                                      ERROR:core:do_assign:
                                                      error at line: 134</div>
                                                    <div>22232: callid(<a
moz-do-not-send="true" href="mailto:1-5150@192.168.16.154"
                                                        target="_blank">1-5150@192.168.16.154</a>)
                                                      trying dlg_val(),
                                                      caller_tag: 0</div>
                                                    <div>22232:
                                                      DBG:core:comp_scriptvar:
                                                      str 20 :
                                                      uac1192.168.16.154</div>
                                                    <div>22232:
                                                      DBG:dialog:fetch_dlg_value:
                                                      looking for
                                                      &lt;caller_contact&gt;</div>
                                                    <div>22232:
                                                      DBG:dialog:fetch_dlg_value:
                                                      var NOT found!</div>
                                                    <div>22232:
                                                      ERROR:core:do_assign:
                                                      no value in right
                                                      expression</div>
                                                    <div>22232:
                                                      ERROR:core:do_assign:
                                                      error at line: 146</div>
                                                    <div>22232: callid(<a
moz-do-not-send="true" href="mailto:1-5150@192.168.16.154"
                                                        target="_blank">1-5150@192.168.16.154</a>)
                                                      trying dlg_val(),
                                                      caller_contact: 0</div>
                                                    <div>22232:
                                                      DBG:tm:t_newtran:
                                                      transaction on
                                                      entrance=0xffffffffffffffff</div>
                                                    <div>22232:
                                                      DBG:core:parse_headers:
flags=ffffffffffffffff</div>
                                                    <div>22232:
                                                      DBG:core:parse_headers:
                                                      flags=78</div>
                                                    <div>22232:
                                                      DBG:tm:t_lookup_request:
                                                      start searching:
                                                      hash=5130, isACK=0</div>
                                                    <div>22232:
                                                      DBG:tm:matching_3261:
                                                      RFC3261
                                                      transaction
                                                      matching failed</div>
                                                    <div>22232:
                                                      DBG:tm:t_lookup_request:
                                                      no transaction
                                                      found</div>
                                                    <div>22232:
                                                      ERROR:core:parse_uri:
                                                      uri too short:
                                                      &lt;0&gt; (1)</div>
                                                    <div>22232:
                                                      ERROR:core:parse_sip_msg_uri:
                                                      bad uri &lt;0&gt;</div>
                                                    <div>22232:
                                                      DBG:core:set_err_info:
                                                      ec: 1, el: 3, ei:
                                                      'error parsing
                                                      r-uri'</div>
                                                    <div>22232:
                                                      ERROR:tm:new_t:
                                                      uri invalid</div>
                                                    <div>22232:
                                                      ERROR:tm:t_newtran:
                                                      new_t failed</div>
                                                  </div>
                                                </div>
                                                <div><br>
                                                </div>
                                                <div> There is no error
                                                  logs when dlg_db_sync
                                                  is run. I see in the
                                                  dialog table a column
                                                  called from_tag, is
                                                  there a way to get its
                                                  content for a certain
                                                  dialog? It seems the
                                                  functions
                                                  get_dialog_info(),
                                                  fetch_dlg_info() and
                                                  $dlg_val() only look
                                                  for variables in the
                                                  column vars.</div>
                                                <div><br>
                                                </div>
                                                <div>Can anyone see
                                                  other type of solution
                                                  that does not involve
                                                  storing/fetching
                                                  dialog variables? I
                                                  could take on that.</div>
                                                <div><br>
                                                </div>
                                                <div>I'd really
                                                  appreciate any help on
                                                  this.</div>
                                                <div><br>
                                                </div>
                                              </div>
                                              <div> This is my cfg file:
                                                <div><br>
                                                </div>
                                                <div>...</div>
                                                <div>
                                                  <div>modparam("dialog",
                                                    "db_url",
                                                    "postgres://opensips:opensips@opensips_db_host:5432/opensips")</div>
                                                  <div>modparam("dialog",
                                                    "db_mode", 1)</div>
                                                  <div>modparam("dialog",

                                                    "db_flush_vals_profiles",
                                                    1)</div>
                                                </div>
                                                <div>...</div>
                                                <div>
                                                  <div>route {   </div>
                                                  <div>...</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>if(is_method("INVITE"))


                                                    {</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>create_dialog();</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>store_dlg_value("caller_tag",


                                                    "$ft");</div>
                                                  <div> <span
                                                      style="white-space:
                                                      pre-wrap;"> </span>xlog("L_INFO","Storing


                                                    caller_tag: $ft");</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>store_dlg_value("caller_contact",


                                                    "$ct.fields(uri)");</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>xlog("L_INFO","Storing


                                                    caller_contact:
                                                    $ct.fields(uri)");</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>store_dlg_value("call_id",


                                                    "$ci");</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>xlog("L_INFO","Storing


                                                    call_id: $ci");</div>
                                                  <div>               
                                                    route(1);</div>
                                                  <div>        }</div>
                                                </div>
                                                <div>...</div>
                                                <div>
                                                  <div>if (has_totag())
                                                    {</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>#
                                                    sequential request
                                                    withing a dialog
                                                    should</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>#
                                                    take the path
                                                    determined by
                                                    record-routing</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>if

                                                    (loose_route()) {</div>
                                                  <div><br>
                                                  </div>
                                                  <div>                 
                                                      $var(caller_tag) =
$dlg_val(caller_tag);</div>
                                                  <div>                 
                                                     
                                                    xlog("L_INFO","trying
                                                    dlg_val(),
                                                    caller_tag:
                                                    $var(caller_tag)\n");</div>
                                                  <div><br>
                                                  </div>
                                                  <div>                 
                                                      if ($ft ==
                                                    $var(caller_tag)) {</div>
                                                  <div>                 
                                                         
                                                    $var(callee_contact)
                                                    =
                                                    $dlg_val(callee_contact);</div>
                                                  <div>                 
                                                         
                                                    xlog("L_INFO","
                                                    trying dlg_val(),
                                                    callee_contact:
                                                    $var(callee_contact)\n");</div>
                                                  <div>                 
                                                          $ru =
                                                    $var(callee_contact);</div>
                                                  <div>                 
                                                      } else {</div>
                                                  <div>                 
                                                         
                                                    $var(caller_contact)
                                                    =
                                                    $dlg_val(caller_contact);</div>
                                                  <div>                 
                                                         
                                                    xlog("L_INFO","
                                                    trying dlg_val(),
                                                    caller_contact:
                                                    $var(caller_contact)\n");</div>
                                                  <div>                 
                                                          $ru =
                                                    $var(caller_contact);</div>
                                                  <div>                 
                                                      }</div>
                                                  <div>            </div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>} </div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>}</div>
                                                  <div>       
                                                    record_route();</div>
                                                  <div>        if
                                                    (!t_relay()) {</div>
                                                  <div>               
                                                    send_reply("500","Internal
                                                    Error");</div>
                                                  <div>        };</div>
                                                  <div>        exit;</div>
                                                  <div>}</div>
                                                  <div>...</div>
                                                  <div>route[1] {</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>#
                                                    for INVITEs enable
                                                    some additional
                                                    helper routes</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>if

                                                    (is_method("INVITE"))
                                                    {</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span></div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>  
                                                     $rd="<a
                                                      moz-do-not-send="true"
href="http://opensips2.domain.com" target="_blank">opensips2.domain.com</a>";</div>
                                                  <div>           
                                                    $rp="5060";<span
                                                      style="white-space:
                                                      pre-wrap;"><br>
                                                    </span></div>
                                                  <div><br>
                                                  </div>
                                                  <div>            #
                                                    Change Contact
                                                    header</div>
                                                  <div>            if
                                                    (subst('/^Contact\s*:\s*("[^"]*")?\s*&lt;?sip:(([^@]*)@)?([^;&gt;]*)((;[^;&gt;]*)*)&gt;?(.*)/Contact:


                                                    &lt;<a
                                                      moz-do-not-send="true"
href="mailto:sip%3Aplain@my.domain.com" target="_blank">sip:plain@my.domain.com</a>\5&gt;\7/ig'))


                                                    {</div>
                                                  <div>               
                                                    xlog("L_DBG","CONTACT
                                                    was modified");</div>
                                                  <div>            }</div>
                                                  <div><br>
                                                  </div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span> 
                                                      t_on_reply("2");</div>
                                                  <div><span
                                                      style="white-space:
                                                      pre-wrap;"> </span>}</div>
                                                  <div><br>
                                                  </div>
                                                  <div>}</div>
                                                  <div>...</div>
                                                  <div>onreply_route[2]
                                                    {</div>
                                                  <div><br>
                                                  </div>
                                                  <div>       
                                                    if(is_present_hf("Contact"))
                                                    {</div>
                                                  <div>            
                                                    xlog("L_INFO","
                                                    Storing
                                                    callee_contact:
                                                    $ct.fields(uri)");</div>
                                                  <div>           
                                                    store_dlg_value("callee_contact",
                                                    "$ct.fields(uri)");</div>
                                                  <div>        }</div>
                                                  <div><br>
                                                  </div>
                                                  <div>        if
                                                    (subst('/^Contact\s*:\s*("[^"]*")?\s*&lt;?sip:([^@]*)@[^;&gt;]*((;[^;&gt;]*)*)&gt;?(.*)/Contact:


                                                    &lt;sip:\<a
                                                      moz-do-not-send="true"
href="mailto:2@my.domain.com" target="_blank">2@my.domain.com</a>\3&gt;\5/ig'))


                                                    {</div>
                                                  <div>           
                                                    xlog("L_DBG","CONTACT
                                                    was modified");</div>
                                                  <div>        } </div>
                                                  <div>}</div>
                                                </div>
                                                <div>
                                                  <div>...</div>
                                                </div>
                                              </div>
                                              <div><br>
                                              </div>
                                              <br>
                                              <fieldset></fieldset>
                                              <br>
                                            </div>
                                          </div>
                                          <pre>_______________________________________________
Users mailing list
<a moz-do-not-send="true" href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a>
<a moz-do-not-send="true" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
                                        </blockquote>
                                      </div>
                                      <br>
_______________________________________________<br>
                                      Users mailing list<br>
                                      <a moz-do-not-send="true"
                                        href="mailto:Users@lists.opensips.org"
                                        target="_blank">Users@lists.opensips.org</a><br>
                                      <a moz-do-not-send="true"
                                        href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
                                        target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br>
                                      <br>
                                    </blockquote>
                                  </div>
                                  <br>
                                </div>
                              </div>
                            </div>
                          </blockquote>
                        </div>
                        <br>
                      </div>
                    </div>
                    <pre><fieldset></fieldset>
_______________________________________________
Users mailing list
<a moz-do-not-send="true" href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a>
<a moz-do-not-send="true" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
                  </blockquote>
                </div>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            Users mailing list<br>
            <a moz-do-not-send="true"
              href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br>
            <a moz-do-not-send="true"
              href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
              target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br>
            <br>
          </blockquote>
        </div>
        <br>
      </div>
      <pre wrap="">
<fieldset class="mimeAttachmentHeader"></fieldset>
_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
    </blockquote>
  </body>
</html>