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We are trying to use CNXCC in order to monitor credit usage but it doesn't appear to be working.
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.
The values that we set in the cnxcc_set_max_credit are hardcoded but it doesn't seem to work.
This is an example of what we find in the Redis DB:
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"
This issue is identical to the one described in #1387
We are running Kamailio 5.5 from the official repos on Debian 10. All the modules are installed through the repo.
This is the config that we are currently using to set the values for the modules.
We also tried setting the values straight into the function bypassing the variables but the result is the same.
$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;
}
The call to cnxcc_set_max_credit() doesn't throw any errors and returns 1 as if everything worked correctly
kamailio -vversion: 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
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
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