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Hello, </div>
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It should work out of the box with pinging the gateway. Why do you can not use this method?</div>
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Otherwise you can just use the appropriate dispatcher method to set the gateway state as inactive at dns failure.</div>
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Cheers,</div>
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<div dir="auto" style="color: rgb(33, 33, 33); background-color: rgb(255, 255, 255);">
Henning</div>
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<div id="divRplyFwdMsg" style="font-size: 11pt;"><strong>Von:</strong> sr-users <sr-users-bounces@lists.kamailio.org> im Auftrag von David Villasmil <david.villasmil.work@gmail.com><br>
<strong>Gesendet:</strong> Donnerstag, 5. Mai 2022, 20:52<br>
<strong>An:</strong> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><br>
<strong>Betreff:</strong> [SR-Users] calling failure_route<br>
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<div dir="ltr">Hello guys,
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<div>Is it possible to call a failure_route like a normal route?</div>
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<div>i.e.:</div>
<div><font face="monospace"><br>
</font></div>
<div><font face="monospace">{</font></div>
<div><font face="monospace"> t_on_failure("myroute");</font></div>
<div><font face="monospace">}</font></div>
<div><font face="monospace">...</font></div>
<div><font face="monospace"><br>
</font></div>
<div><font face="monospace">route("myroute");</font></div>
<div><font face="monospace"><br>
</font></div>
<div><font face="monospace">failure_route[myroute] {</font></div>
<div><font face="monospace">...</font></div>
<div><font face="monospace">}</font></div>
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<div>Let me explain:</div>
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<div>I have this scenario where a DNS name may get deleted and a dns resolution will fail. There's no pinging to that gateway so i need to:</div>
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<div>- skip that gateway when dispatching to the setid</div>
<div>- detect whether the domain is up and available<br>
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<div>And failover to the next gateway.</div>
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<div>I don't know of any other way so on the DISPATCH route, I'm doing:</div>
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<div><font face="monospace">route[DISPATCH] {<br>
# round robin dispatching on gateways group '1'<br>
if(!ds_select_dst("1", "4")) {<br>
send_reply("404", "No destination");<br>
exit;<br>
}<br>
xlog("L_DBG", "--- SCRIPT: going to <$ru> via <$du>\n");<br>
if(dns_query("$du", "xyz")) {<br>
t_on_failure("RTF_DISPATCH");<br>
route(RELAY);<br>
} else {</font></div>
<div><font face="monospace"> </font><span style="font-family:monospace">route(</span><span style="font-family:monospace">RTF_DISPATCH</span><span style="font-family:monospace">);</span></div>
<div><font face="monospace"> }<br>
exit;<br>
}<br>
</font></div>
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<div>to try to resolve and if it fails, it will just go to the failover route.</div>
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<div>makes sense?</div>
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<div>Regards,</div>
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David Villasmil
<div>email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a></div>
<div>phone: +34669448337</div>
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