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<tt>Hi Chandan,<br>
<br>
What is the actual rejection reply from OpenSIPS ? Is it something
from script or something that OpenSIPS receives from upstream ?<br>
<br>
Regards,<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<div class="moz-cite-prefix">On 15.08.2016 23:06, Chandan PR wrote:<br>
</div>
<blockquote
cite="mid:CADh=FygH3KzAdMsUq3FsLw-rZq3Ebwu+kjkr7P4LDD9aR05pVg@mail.gmail.com"
type="cite">
<div dir="ltr">Hi Guys,
<div><br>
</div>
<div>We are observing an issue where OpenSips is rejecting calls
as Destination Full, even when the destination is not
disabled...</div>
<div><br>
</div>
<div>We are not sending too many calls for all the destinations
to be full.</div>
<div><br>
</div>
<div>The script is as below:</div>
<div><br>
</div>
<div>
<div>#</div>
<div># $Id: opensips_loadbalancer.m4 9723 2013-02-01 15:10:50Z
bogdan_iancu $</div>
<div>#</div>
<div># OpenSIPS loadbalancer script</div>
<div># by OpenSIPS Solutions <<a moz-do-not-send="true"
href="mailto:team@opensips-solutions.com">team@opensips-solutions.com</a>></div>
<div>#</div>
<div># This script was generated via "make menuconfig", from</div>
<div># the "Load Balancer" scenario.</div>
<div># You can enable / disable more features /
functionalities by</div>
<div># re-generating the scenario with different options.</div>
<div>#</div>
<div># Please refer to the Core CookBook at:</div>
<div># <a moz-do-not-send="true"
href="http://www.opensips.org/Resources/DocsCookbooks">http://www.opensips.org/Resources/DocsCookbooks</a></div>
<div># for a explanation of possible statements, functions and
parameters.</div>
<div>#</div>
<div><br>
</div>
<div><br>
</div>
<div>####### Global Parameters #########</div>
<div><br>
</div>
<div>debug=3</div>
<div>log_stderror=no</div>
<div>log_facility=LOG_LOCAL1</div>
<div><br>
</div>
<div>fork=yes</div>
<div>children=4</div>
<div><br>
</div>
<div>/* uncomment the following lines to enable debugging */</div>
<div>#debug=6</div>
<div>#fork=no</div>
<div>#log_stderror=yes</div>
<div><br>
</div>
<div>/* uncomment the next line to enable the auto temporary
blacklisting of </div>
<div> not available destinations (default disabled) */</div>
<div>#disable_dns_blacklist=no</div>
<div><br>
</div>
<div>/* uncomment the next line to enable IPv6 lookup after
IPv4 dns </div>
<div> lookup failures (default disabled) */</div>
<div>#dns_try_ipv6=yes</div>
<div><br>
</div>
<div>/* comment the next line to enable the auto discovery of
local aliases</div>
<div> based on revers DNS on IPs */</div>
<div>auto_aliases=no</div>
<div><br>
</div>
<div><br>
</div>
<div>listen=udp:<a moz-do-not-send="true"
href="http://192.168.21.111:5060">192.168.21.111:5060</a>
# CUSTOMIZE ME</div>
<div><br>
</div>
<div>disable_tcp=no</div>
<div>listen=tcp:<a moz-do-not-send="true"
href="http://192.168.21.111:5060">192.168.21.111:5060</a>
# CUSTOMIZE ME </div>
<div><br>
</div>
<div>#disable_tls=yes</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>####### Modules Section ########</div>
<div><br>
</div>
<div>#set module path</div>
<div>mpath="/usr/local/opensips/lib64/opensips/modules/"</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>#### SIGNALING module</div>
<div>loadmodule "signaling.so"</div>
<div><br>
</div>
<div>#### StateLess module</div>
<div>loadmodule "sl.so"</div>
<div><br>
</div>
<div>#### Transaction Module</div>
<div>loadmodule "tm.so"</div>
<div>modparam("tm", "fr_timer", 30)</div>
<div>modparam("tm", "fr_inv_timer", 120)</div>
<div>modparam("tm", "restart_fr_on_each_reply", 0)</div>
<div>modparam("tm", "onreply_avp_mode", 1)</div>
<div><br>
</div>
<div>#### Record Route Module</div>
<div>loadmodule "rr.so"</div>
<div>/* do not append from tag to the RR (no need for this
script) */</div>
<div>modparam("rr", "append_fromtag", 0)</div>
<div><br>
</div>
<div>#### MAX ForWarD module</div>
<div>loadmodule "maxfwd.so"</div>
<div><br>
</div>
<div>#### SIP MSG OPerationS module</div>
<div>loadmodule "sipmsgops.so"</div>
<div><br>
</div>
<div>#### FIFO Management Interface</div>
<div>loadmodule "mi_fifo.so"</div>
<div>modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")</div>
<div>modparam("mi_fifo", "fifo_mode", 0666)</div>
<div><br>
</div>
<div>#### URI module</div>
<div>loadmodule "uri.so"</div>
<div>modparam("uri", "use_uri_table", 0)</div>
<div><br>
</div>
<div>#### MYSQL module</div>
<div>loadmodule "db_mysql.so"</div>
<div><br>
</div>
<div>#### AVPOPS module</div>
<div>loadmodule "avpops.so"</div>
<div><br>
</div>
<div>#### ACCounting module</div>
<div>loadmodule "acc.so"</div>
<div>/* what special events should be accounted ? */</div>
<div>modparam("acc", "early_media", 0)</div>
<div>modparam("acc", "report_cancels", 0)</div>
<div>/* by default we do not adjust the direct of the
sequential requests.</div>
<div> if you enable this parameter, be sure the enable
"append_fromtag"</div>
<div> in "rr" module */</div>
<div>modparam("acc", "detect_direction", 0)</div>
<div>modparam("acc", "failed_transaction_flag", "ACC_FAILED")</div>
<div>/* account triggers (flags) */</div>
<div>modparam("acc", "log_flag", "ACC_DO")</div>
<div>modparam("acc", "log_missed_flag", "ACC_MISSED")</div>
<div><br>
</div>
<div><br>
</div>
<div>#### DIALOG module</div>
<div>loadmodule "dialog.so"</div>
<div>modparam("dialog", "dlg_match_mode", 1)</div>
<div>modparam("dialog", "default_timeout", 21600) # 6 hours
timeout</div>
<div>modparam("dialog", "db_mode", 2)</div>
<div>modparam("dialog", "db_url",</div>
<div><span class="" style="white-space:pre"> </span>"mysql://opensips:opensipsrw@localhost/opensips")
# CUSTOMIZE ME</div>
<div><br>
</div>
<div><br>
</div>
<div>#### LOAD BALANCER module</div>
<div>loadmodule "load_balancer.so"</div>
<div>modparam("load_balancer", "db_url",</div>
<div><span class="" style="white-space:pre"> </span>"mysql://opensips:opensipsrw@localhost/opensips")
# CUSTOMIZE ME</div>
<div>modparam("load_balancer", "probing_method", "OPTIONS")</div>
<div><br>
</div>
<div>modparam("load_balancer", "probing_interval", 15)</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>####### Routing Logic ########</div>
<div><br>
</div>
<div><br>
</div>
<div># main request routing logic</div>
<div>route{</div>
<div><span class="" style="white-space:pre"> </span>if
(!mf_process_maxfwd_header("3")) {</div>
<div><span class="" style="white-space:pre"> </span>send_reply("483","looping");</div>
<div><span class="" style="white-space:pre"> </span>exit;</div>
<div><span class="" style="white-space:pre"> </span>}</div>
<div><br>
</div>
<div><br>
</div>
<div><span class="" style="white-space:pre"> </span>if (
has_totag() ) {</div>
<div><span class="" style="white-space:pre"> </span>#
sequential request -> obey Route indication</div>
<div><span class="" style="white-space:pre"> </span>xlog("Loose
Route for $avp(iurl) over $avp(dest) $avp(calltype) \n");</div>
<div><span class="" style="white-space:pre"> </span>loose_route();</div>
<div> t_relay();</div>
<div> exit;</div>
<div> }</div>
<div><br>
</div>
<div> # handle cancel and re-transmissions</div>
<div><span class="" style="white-space:pre"> </span>if (
is_method("CANCEL") ) {</div>
<div><span class="" style="white-space:pre"> </span>if (
t_check_trans() )</div>
<div><span class="" style="white-space:pre"> </span>t_relay();</div>
<div><span class="" style="white-space:pre"> </span>exit;</div>
<div><span class="" style="white-space:pre"> </span>}</div>
<div><br>
</div>
<div><br>
</div>
<div> # from now on we have only the initial requests</div>
<div> if (!is_method("INVITE")) {</div>
<div> send_reply("405","Method Not Allowed");</div>
<div> exit;</div>
<div> }</div>
<div><br>
</div>
<div> # initial request</div>
<div><span class="" style="white-space:pre"> </span>record_route();</div>
<div><span class="" style="white-space:pre"> </span>$avp(iurl)
= $(hdr(P-Nuance-Initial-URL));</div>
<div><span class="" style="white-space:pre"> </span>$avp(calltype)
= $(hdr(P-Nuance-Call-Type));</div>
<div> xlog("Sending call $fu $avp(iurl) $avp(calltype)
\n");<span class="" style="white-space:pre"> </span></div>
<div><span class="" style="white-space:pre"> </span># LB
function returns negative if no suitable destination (for
requested resources) is found,</div>
<div> # or if all destinations are full</div>
<div> if ( !load_balance("1","channel") ) {</div>
<div><span class="" style="white-space:pre"> </span>
xlog("All Destinations are full. Sending 500! $fu
$(hdr(P-Nuance-Initial-URL))");</div>
<div> send_reply("500","Service full");</div>
<div> exit;</div>
<div> }</div>
<div><span class="" style="white-space:pre"> </span>$avp(dest)
= $du;</div>
<div><span class="" style="white-space:pre"> </span>xlog("Call
sent over $avp(dest) $fu $(hdr(P-Nuance-Initial-URL))\n");</div>
<div><span class="" style="white-space:pre"> </span>t_on_reply("test");</div>
<div> # arm a failure route for be able to catch a
failure event and to do </div>
<div> # failover to the next available destination</div>
<div> t_on_failure("LB_failed");</div>
<div><br>
</div>
<div> # send it out</div>
<div><span class="" style="white-space:pre"> </span>if
(!t_relay()) {</div>
<div><span class="" style="white-space:pre"> </span>sl_reply_error();</div>
<div><span class="" style="white-space:pre"> </span>}</div>
<div><br>
</div>
<div>}</div>
<div><br>
</div>
<div>#onreply_route {</div>
<div>#<span class="" style="white-space:pre"> </span>xlog("OpenSIPS
received a reply $avp(iurl) rs= $rs | fu= $fu | si= $si |
Ri= $Ri ===");</div>
<div>#}</div>
<div><br>
</div>
<div>onreply_route[test] {</div>
<div><span class="" style="white-space:pre"> </span>xlog("Reply
$rs received from $si for the call $avp(iurl)");</div>
<div>}</div>
<div><br>
</div>
<div>failure_route[LB_failed]</div>
<div>{</div>
<div> # skip if call was canceled </div>
<div><span class="" style="white-space:pre"> </span>if
(t_was_cancelled()) {</div>
<div><span class="" style="white-space:pre"> </span>exit;</div>
<div><span class="" style="white-space:pre"> </span>}</div>
<div><span class="" style="white-space:pre"> </span>xlog("Call
$avp(iurl) sent over $avp(dest) failed with code
$T_reply_code\n");</div>
<div> </div>
<div><span class="" style="white-space:pre"> </span># Checking
only for Destination Failure</div>
<div><span class="" style="white-space:pre"> </span># If the
destination is failed, disable it and reroute the call</div>
<div> #if ( t_check_status("[56][0-9][0-9]")) {</div>
<div><span class="" style="white-space:pre"> </span>#Comment
the below line and put the above condition to probe for all
500-699 errors</div>
<div> if ( t_check_status("503")) {</div>
<div><span class="" style="white-space:pre"> </span> #
this is a case for failover</div>
<div> xlog("Marking $avp(dest) disabled as it
failed for call $avp(iurl) with code $T_reply_code\n");</div>
<div> # mark failed destination as disabled </div>
<div> lb_disable();</div>
<div> # try to re-route to next available
destination</div>
<div> #if ( !load_balance("1","channel") ) {</div>
<div><span class="" style="white-space:pre"> </span>#
xlog("RETRY FAILED SENDING 500");<span class="" style="white-space:pre"> </span></div>
<div> # send_reply("500","Service Full");</div>
<div> # exit;</div>
<div> #}</div>
<div> #xlog("REPORT: re-routing call to $du
\n");</div>
<div> #t_relay();</div>
<div> }</div>
<div><span class="" style="white-space:pre"> </span>send_reply("$T_reply_code","Call
Failed");</div>
<div>}</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Please do let me know if any comments..</div>
<div><br>
</div>
<div>Regards,</div>
<div>Chandan</div>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
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</pre>
</blockquote>
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