<p></p>
<h3 dir="auto">Description</h3>
<p dir="auto">We are trying to use CNXCC in order to monitor credit usage but it doesn't appear to be working.<br>
The cnxcc_set_max_credit call appears to be working partially as we can see that a new key is created in the Redis DB but with all the values set to 0.<br>
The values that we set in the cnxcc_set_max_credit are hardcoded but it doesn't seem to work.<br>
This is an example of what we find in the Redis DB:</p>
<pre><code>1637599472.872820 [1 127.0.0.1:53578] "HEXISTS" "cnxcc:money:pippo@dom.domain.it" "concurrent_calls"
1637599472.872942 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.873043 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "concurrent_calls" "0"
1637599472.873159 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.873292 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "consumed_amount" "0.000000"
1637599472.873404 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.873515 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "ended_calls_consumed_amount" "0.000000"
1637599472.873634 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.873752 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "max_amount" "0.000000"
1637599472.873875 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.874000 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "number_of_calls" "0"
1637599472.874115 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.874269 [1 127.0.0.1:53578] "HSET" "cnxcc:money:pippo@dom.domain.it" "type" "1"
1637599472.874381 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.874481 [1 127.0.0.1:53578] "SREM" "cnxcc:kill_list:money" "\"pippo@dom.domain.it\""
1637599472.874585 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
1637599472.874747 [1 127.0.0.1:53578] "HINCRBY" "cnxcc:money:pippo@dom.domain.it" "number_of_calls" "1"
1637599472.874845 [1 127.0.0.1:53578] "EXPIRE" "cnxcc:money:pippo@dom.domain.it" "70"
</code></pre>
<p dir="auto">This issue is identical to the one described in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="284375656" data-permission-text="Title is private" data-url="https://github.com/kamailio/kamailio/issues/1387" data-hovercard-type="issue" data-hovercard-url="/kamailio/kamailio/issues/1387/hovercard" href="https://github.com/kamailio/kamailio/issues/1387">#1387</a></p>
<h3 dir="auto">Troubleshooting</h3>
<h4 dir="auto">Reproduction</h4>
<p dir="auto">We are running Kamailio 5.5 from the official repos on Debian 10. All the modules are installed through the repo.<br>
This is the config that we are currently using to set the values for the modules.<br>
We also tried setting the values straight into the function bypassing the variables but the result is the same.</p>
<pre><code> $dlg_var(credit) = "50.0";
$var(connect_cost) = "5.0";
$var(cost_per_sec) = "1.0";
$var(i_pulse) = 1;
$var(f_pulse) = 1;
xlog("$dlg_var(label) $var(credit) $var(connect_cost) ");
if (cnxcc_set_max_credit("$dlg_var(label)", "$dlg_var(credit)", "$var(connect_cost)", "$var(cost_per_sec)", "$var(i_pulse) ", "$var(f_pulse)") < 0) {
xlog("Failed to setup credit control");
sl_send_reply("503", "Internal Server Error");
exit;
}
</code></pre>
<h4 dir="auto">Log Messages</h4>
<p dir="auto">The call to cnxcc_set_max_credit() doesn't throw any errors and returns 1 as if everything worked correctly</p>
<h3 dir="auto">Additional Information</h3>
<ul dir="auto">
<li><strong>Kamailio Version</strong> - output of <code>kamailio -v</code></li>
</ul>
<pre><code>version: kamailio 5.5.2 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 8.3.0
</code></pre>
<ul dir="auto">
<li><strong>Operating System</strong>:</li>
</ul>
<pre><code>No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster
Linux kamailio 5.11.22-5-pve #1 SMP PVE 5.11.22-10 (Tue, 28 Sep 2021 08:15:41 +0200) x86_64 GNU/Linux
</code></pre>
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