[SR-Users] anycast + dmq_usrloc

[Nuno Miguel Reis]

Hi guys.

I'm setting up an anycast scenario with several kamailios sharing an active state and I've noticed that the dmq_usrloc module is not replicating the usrloc socket_info attribute when a register comes in through one of the kamailio nodes. Is there a reason behind this?

I'm thinking on adding the replication for that attribute in the code. Another way of address this woud be by having a modparam to replicate the socket.
What do you think?

This is what I'm seeing:

anycast node that actually gets the SIP REGISTER:

$ kamcmd ul.dump
{
Domains: {
Domain: {
Domain: location
Size: 32768
AoRs: {
Info: {
AoR: 309 at nmreis.test
HashID: -35263718
Contacts: {
Contact: {
Address: sip:309 at 192.168.150.158:55060;transport=udp;registering_acc=nmreis_test
Expires: 585
Q: -1.000000
Call-ID: 6e7635ce4604e16400ee763b2ead55b2 at 0:0:0:0:0:0:0:0
CSeq: 4
User-Agent: Jitsi2.11.5602Linux
Received: sip: 2.2.2.2:31171 [http://2.2.2.2:31171/]
Path: [not set]
State: CS_SYNC
Flags: 1
CFlags: 192
Socket: udp: 1.1.1.1:5060 [http://1.1.1.1:5060/]
Methods: -1
Ruid: uloc-5de8056d-22ab-f
Instance: [not set]
Reg-Id: 0
Server-Id: 0
Tcpconn-Id: -1
Keepalive: 1
Last-Keepalive: 1575487540
Last-Modified: 1575487540
}
}
}
}
Stats: {
Records: 1
Max-Slots: 1
}
}
}
}

anycast node that gets the USRLOC update via KDMQ:

$ kamcmd ul.dump
{
Domains: {
Domain: {
Domain: location
Size: 32768
AoRs: {
Info: {
AoR: 309 at nmreis.test
HashID: -35263718
Contacts: {
Contact: {
Address: sip:309 at 192.168.150.158:55060;transport=udp;registering_acc=nmreis_test
Expires: 574
Q: -1.000000
Call-ID: 6e7635ce4604e16400ee763b2ead55b2 at 0:0:0:0:0:0:0:0
CSeq: 4
User-Agent: Jitsi2.11.5602Linux
Received: sip: 2.2.2.2:31171 [http://2.2.2.2:31171/]
Path: [not set]
State: CS_SYNC
Flags: 1
CFlags: 192
Socket: [not set]
Methods: -1
Ruid: uloc-5de7ff7b-4617-3
Instance: [not set]
Reg-Id: 0
Server-Id: 0
Tcpconn-Id: -1
Keepalive: 1
Last-Keepalive: 1575487540
Last-Modified: 1575487540
}
}
}
}
Stats: {
Records: 1
Max-Slots: 1
}
}
}
}

the actual KDMQ message:

KDMQ  sip:usrloc at 10.100.100.21:5060 [http://sip:usrloc@10.100.100.21:5060/] SIP/2.0
Via: SIP/2.0/UDP 10.100.100.22;branch= z9hG4bK6034.290e4186000000000000000000000000.0
To: < sip:usrloc at 10.100.100.21:5060 [http://sip:usrloc@10.100.100.21:5060/] >
From: < sip:usrloc at 10.100.100.22:5060 [http://sip:usrloc@10.100.100.22:5060/] >;tag= 3393f0703fb0ccaca74109ff37de39f5-1e4c092b
CSeq: 10 KDMQ
Call-ID: 0cfde4d32a31addc-8875 at 127.0.0.1 [mailto:0cfde4d32a31addc-8875 at 127.0.0.1]
Content-Length: 433
Max-Forwards: 1
Content-Type: application/json

{"action":1,"aor":"309 at nmreis.test","ruid":"uloc-5de8056d-22ab-f","c":"sip:309 at 192.168.150.158:55060;transport=udp;registering_acc=nmreis_test","received":"sip: 2.2.2.2:31171 [http://2.2.2.2:31171/] ","path":"","callid":"6e7635ce4604e16400ee763b2ead55b2 at 0:0:0:0:0:0:0:0","user_agent":"Jitsi2.11.5602Linux","instance":"","expires":1575487600,"cseq":2,"flags":1,"cflags":192,"q":-1,"last_modified":1575487000,"methods":4294967295,"reg_id":0,"server_id":0}


Looking forward to hear from you.
BR,
--
Nuno Miguel Reis
Departamento de Engenharia Informática
Faculdade de Ciências e Tecnologia
Universidade de Coimbra


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