21 Jul
2022
21 Jul
'22
5:37 p.m.
I have an scenario with two kamailios, and no databases. At the first, I authenticate one
subscriber successfully and save in memory usrloc:
```
# 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(a)my.domain
HashID: -1989102610
Contacts: {
Contact: {
Address:
sip:1014@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
}
```
--
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