[SR-Users] Cannot load usrloc table at startup using DMQ_USRLOC sync feature
Benedito Marques
benedito.marques1 at gmail.com
Thu Jul 21 20:36:56 CEST 2022
I have an scenario with two kamailios, and no databases. At the first, I
authenticate one subscriber successfully and save in memory usrloc:
/etc/kamailio # kamailio --version
version: kamailio 5.4.4 (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_BLACKLIST,
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 on 16:13:18 Feb 15 2021 with gcc 9.3.0
/etc/kamailio #
/etc/kamailio #
---
/etc/kamailio # cat /etc/os-release
NAME="Alpine Linux"
ID=alpine
VERSION_ID=3.12.3
PRETTY_NAME="Alpine Linux v3.12"
HOME_URL="https://alpinelinux.org/"
BUG_REPORT_URL="https://bugs.alpinelinux.org/"
---
# Handle SIP registrations
route[REGISTRAR] {
if (!is_method("REGISTER")) return;
if (!save("location","0x05")) {
sl_reply_error();
}
exit;
}
--
/etc/kamailio # kamcmd ul.dump
{
Domains: {
Domain: {
Domain: location
Size: 1024
AoRs: {
Info: {
AoR: 1014 at my.domain
HashID: -1989102610
Contacts: {
Contact: {
Address:
sip:1014 at 10.0.0.2:7071;ob
Expires: 299
Q: -1.000000
Call-ID:
d5cf6d5f293647a59ba64ba996a793b0
CSeq: 43689
User-Agent:
MicroSIP/3.20.7
Received: sip:
10.0.0.2:7071
Path: [not set]
State: CS_NEW
Flags: 1
CFlags: 0
Socket: [not set]
Methods: 8159
Ruid:
uloc-62d95ca2-3c-1
Instance: [not set]
Reg-Id: 0
Server-Id: 0
Tcpconn-Id: -1
Keepalive: 0
Last-Keepalive:
1658412252
KA-Roundtrip: 0
Last-Modified:
1658412252
}
}
}
}
Stats: {
Records: 1
Max-Slots: 1
}
}
}
}
/etc/kamailio #
*The problem is*: when I start the second kamailio server, the current
usrloc users are not replicated to it, so in the second server the usrloc
is empty:
/etc/kamailio # kamcmd ul.dump
{
Domains: {
Domain: {
Domain: location
Size: 1024
AoRs: {
}
Stats: {
Records: 0
Max-Slots: 0
}
}
}
}
*The modules loaded:*
- dmq.so
- dmq_usrloc.so
*Params (sync enabled):*
modparam("dmq_usrloc", "enable", 1)
modparam("dmq_usrloc", "sync", 1)
modparam("dmq_usrloc", "usrloc_domain", "location")
modparam("dmq_usrloc", "usrloc_delete", 1)
modparam("dmq_usrloc", "replicate_socket_info", 0)
*Obs*: The DMQ replication is working perfectly. So, if I register another
user in server 1, server 2 receives the KDMQ message and the new user
appears on usrloc. The real problem is to load pre registered users at
startup.
*Log messages from second server at startup:*
0(51) DEBUG: <core> [core/sr_module.c:873]: init_mod(): dmq_usrloc
0(51) INFO: dmq_usrloc [dmq_usrloc.c:81]: mod_init(): dmq usrloc
replication mode = 1
0(51) DEBUG: <core> [core/sr_module.c:652]: find_mod_export_record():
found export of <ul_bind_usrloc> in module usrloc
[/usr/lib/kamailio/modules/usrloc.so]
0(51) DEBUG: <core> [core/sr_module.c:652]: find_mod_export_record():
found export of <bind_dmq> in module dmq [/usr/lib/kamailio/modules/dmq.so]
0(51) DEBUG: dmq_usrloc [usrloc_sync.c:286]: usrloc_dmq_initialize():
loaded dmq api
0(51) DEBUG: dmq_usrloc [usrloc_sync.c:299]: usrloc_dmq_initialize(): dmq
peer registered
0(51) DEBUG: dmq_usrloc [dmq_usrloc.c:111]: mod_init(): dmq_usrloc
initialized
0(51) DEBUG: <core> [core/sr_module.c:804]: init_mod_child(): idx 0 rank
-127: dmq_usrloc [main]
0(51) DEBUG: dmq_usrloc [dmq_usrloc.c:127]: child_init(): child_init
PROC_INIT
7(62) DEBUG: dmq_usrloc [usrloc_sync.c:552]: usrloc_dmq_request_sync():
requesting sync from dmq peers
0(51) DEBUG: <core> [core/sr_module.c:804]: init_mod_child(): idx 0 rank
0: dialog [main]
7(62) DEBUG: dmq_usrloc [usrloc_sync.c:568]: usrloc_dmq_request_sync():
sending serialized data {"action":3}
7(62) DEBUG: dmq_usrloc [usrloc_sync.c:317]: usrloc_dmq_send(): sending
dmq broadcast...
7(62) DEBUG: dmq [dmq_funcs.c:166]: bcast_dmq_message1(): skipping node
sip:10.0.2.38:5090
7(62) DEBUG: dmq [dmq_funcs.c:166]: bcast_dmq_message1(): skipping node
sip:10.0.2.30:5090
7(62) DEBUG: dmq [dmq_funcs.c:166]: bcast_dmq_message1(): skipping node
sip:0.0.0.0:5090
*List nodes at SERVER 1:*
/etc/kamailio # kamcmd dmq.list_nodes
{
host: 10.0.1.36
port: 5090
resolved_ip: 10.0.1.36
status: active
last_notification: 0
local: 0
}
{
host: 10.0.1.35
port: 5090
resolved_ip: 10.0.1.35
status: active
last_notification: 0
local: 0
}
{
host: 0.0.0.0
port: 5090
resolved_ip: 0.0.0.0
status: active
last_notification: 0
local: 1
}
*List nodes at SERVER 2:*
/etc/kamailio # kamcmd dmq.list_nodes
{
host: 10.0.1.35
port: 5090
resolved_ip: 10.0.1.35
status: active
last_notification: 0
local: 0
}
{
host: 10.0.1.36
port: 5090
resolved_ip: 10.0.1.36
status: active
last_notification: 0
local: 0
}
{
host: 0.0.0.0
port: 5090
resolved_ip: 0.0.0.0
status: active
last_notification: 0
local: 1
}
--
Att,
Benedito Marques
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