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<p>Just noticed, Daniel already answered ) Got his answer as a new
thread somehow )<br>
</p>
<pre class="moz-signature" cols="72">Regards,
Igor</pre>
<div class="moz-cite-prefix">On 03.08.2021 22:16, Igor Olhovskiy
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:4102f571-f45c-d0a1-8c08-bf3b5bf24e58@gmail.com">
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<p>Serdar, <br>
</p>
<p>Have you tried to clean variables before calling new
ds_select_domain(), that are using by dispatcher module
failover?</p>
<p>Like
<a class="moz-txt-link-freetext"
href="https://kamailio.org/docs/modules/5.3.x/modules/dispatcher.html#dispatcher.p.xavp_dst"
moz-do-not-send="true">https://kamailio.org/docs/modules/5.3.x/modules/dispatcher.html#dispatcher.p.xavp_dst</a>
and so on?</p>
<p>But as I got, you're saying, that calling ds_select_domain()
with different setid's in a case of fail, not really fails, but
using "old" available destinations from previous attempt? <br>
</p>
<pre class="moz-signature" cols="72">Regards,
Igor</pre>
<div class="moz-cite-prefix">On 29.07.2021 11:19, Serdar GÜÇLÜER
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:6173f8f1-5a78-47ce-637b-08adec29bd5a@netgsm.com.tr">
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charset=UTF-8">
<p><br>
Hello all,</p>
<p>I have a trouble that is related to the way of usage of
dispatcher module.</p>
<p>I am working with Kamailio 5.3.2 and using dispatcher module
as load balancer to route calls to the media gateways. <br>
</p>
<p>My dispatching routes are below as simply,<br>
</p>
<div style="color: #d4d4d4;background-color: #1e1e1e;font-family: Consolas, 'Courier New', monospace;font-weight: normal;font-size: 14px;line-height: 19px;white-space: pre;"><div><span style="color: #d4d4d4;">route[DISPATCH] {</span></div><div><span style="color: #d4d4d4;">        </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(ds_select_domain(</span><span style="color: #ce9178;">"2"</span><span style="color: #d4d4d4;">, </span><span style="color: #ce9178;">"4"</span><span style="color: #d4d4d4;">)) {</span></div><div><span style="color: #d4d4d4;">                route(MYRELAY);</span></div><div><span style="color: #d4d4d4;">        } </span><span style="color: #569cd6;">else</span><span style="color: #d4d4d4;"> {</span></div><div><span style="color: #d4d4d4;">                send_reply(</span><span style="color: #ce9178;">"503"</span><span style="color: #d4d4d4;">,</span><span style="color: #ce9178;">"Service Unavailable - No MGW"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">                exit;</span></div><div><span style="color: #d4d4d4;">        }</span></div><div><span style="color: #d4d4d4;">}</span></div>
<div><span style="color: #d4d4d4;">route[MYRELAY]Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â t_on_failure(</span><span style="color: #ce9178;">"MYFAILURE"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(!t_relay())Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â sl_reply_error();</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â }</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â exit;</span></div><div><span style="color: #d4d4d4;">}</span></div>
<div><span style="color: #d4d4d4;">failure_route[MYFAILURE]Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â route(NATMANAGE);</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â revert_uri();</span></div>
<div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">Â (t_is_canceled())Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â exit;</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â }</span></div>
<div><span style="color: #d4d4d4;">        </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;"> ($T_reply_code == </span><span style="color: #b5cea8;">408</span><span style="color: #d4d4d4;"> || $T_reply_code == </span><span style="color: #b5cea8;">503</span><span style="color: #d4d4d4;">) {</span></div><div><span style="color: #d4d4d4;">                </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(ds_next_domain()) {</span></div><div><span style="color: #d4d4d4;">                        route(MYRELAY);</span></div><div><span style="color: #d4d4d4;">                } </span><span style="color: #569cd6;">else</span><span style="color: #d4d4d4;"> {</span></div><div><span style="color: #d4d4d4;">                        send_reply(</span><span style="color: #ce9178;">"503"</span><span style="color: #d4d4d4;">,</span><span style="color: #ce9178;">"Service Unavailable"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">                        exit;</span></div><div><span style="color: #d4d4d4;">                }</span></div><div><span style="color: #d4d4d4;">        } </span><span style="color: #569cd6;">else</span><span style="color: #d4d4d4;"> {</span></div><div><span style="color: #d4d4d4;">                </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(ds_select_domain(</span><span style="color: #ce9178;">"6"</span><span style="color: #d4d4d4;">, </span><span style="color: #ce9178;">"4"</span><span style="color: #d4d4d4;">)) {</span></div><div><span style="color: #d4d4d4;">                        route(MYVMRELAY);</span></div><div><span style="color: #d4d4d4;">                } </span><span style="color: #569cd6;">else</span><span style="color: #d4d4d4;"> {</span></div><div><span style="color: #d4d4d4;">                        send_reply(</span><span style="color: #b5cea8;">486</span><span style="color: #d4d4d4;">,</span><span style="color: #ce9178;">"Busy"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">                        exit;</span></div><div><span style="color: #d4d4d4;">                }</span></div><div><span style="color: #d4d4d4;">        }</span></div><div><span style="color: #d4d4d4;">}</span></div>
<div><span style="color: #d4d4d4;">route[MYVMRELAY]Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â t_on_failure(</span><span style="color: #ce9178;">"MYVMFAILURE"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(!t_relay())Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â sl_reply_error();</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â }</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â exit;</span></div><div><span style="color: #d4d4d4;">}</span></div>
<div><span style="color: #d4d4d4;">failure_route[MYVMFAILURE]Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â route(NATMANAGE);</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â revert_uri();</span></div>
<div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">Â (t_is_canceled())Â {</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â exit;</span></div><div><span style="color: #d4d4d4;">Â Â Â Â Â Â Â Â }</span></div>
<div><span style="color: #d4d4d4;">        </span><span style="color: #569cd6;">if</span><span style="color: #d4d4d4;">(ds_next_domain()) {</span></div><div><span style="color: #d4d4d4;">                route(MYVMRELAY);</span></div><div><span style="color: #d4d4d4;">        } </span><span style="color: #569cd6;">else</span><span style="color: #d4d4d4;"> {</span></div><div><span style="color: #d4d4d4;">                send_reply(</span><span style="color: #ce9178;">"503"</span><span style="color: #d4d4d4;">,</span><span style="color: #ce9178;">"Service Unavailable"</span><span style="color: #d4d4d4;">);</span></div><div><span style="color: #d4d4d4;">                exit;</span></div><div><span style="color: #d4d4d4;">        }</span></div><div><span style="color: #d4d4d4;">}
</span></div></div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature">I have multiple media
gateways(setid=2) and voicemail servers(setid=6). As can be
seen from the configuration,</div>
<div class="moz-signature"> after first routing, for transaction
reply code except 408 or 503, I am routing call to the
voicemail server using dispatcher.</div>
<div class="moz-signature">In that phase, dispatcher module is
remembering previously loaded destinations that come from
first ds_select_domain</div>
<div class="moz-signature">and module try to route these
destinations in the case that all voicemail servers are
unavailable. <br>
</div>
<div class="moz-signature">So basically, I want to unload all
destinations comes from previous ds_select_domain.</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature">From the documentation, i tried
ds_load_update and ds_load_unset methods but not worked for
me.</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature">Is there any way to overcome that
problem or any right usages of these methods. <br>
</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature">Thank you,</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature">Serdar<br>
</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature"><br>
</div>
<div class="moz-signature"><br>
</div>
<br>
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