Hi, if I'm not wrong you should attach to the udp receiver process (8457). The cdp threads are used to send Diameter messages and process asynchronously the replies.

Cheers,

Federico

On Wed, 8 May 2019, 12:43 Woscek, Martin W., mwoscek@mitre.org wrote:

Hi,

Looking for some advice running the debugger and setting breakpoints in Kamailio modules such as the SCSCF.

Example: We were trying to watch the authenticate() function:

714 int authenticate(struct sip_msg* msg, char* _realm, char* str2, int is_proxy_auth) {

Our Kamailio 5.2.2 code was compiled and linked from source with the -g option already enabled by default.

We also dropped our Workers to 1 from 16 in the scscf.xml file for the SCSCF to limit the thread count and get the following list of threads below:

We tried the first cdp threads: 8462, 8463, and 8464 and while we could set a break point at line 714 for the authenticate() function, it didn’t actually break there at all.

Question:

What pid will we use to catch the authenticate() called during an initial registration from a boghe client?

Anything special we may be missing, gdb related or Kamailio settings?

kamcmd -s /run/kamailio_scscf/kamailio_ctl

kamcmd 1.5

Copyright 2006 iptelorg GmbH

This is free software with ABSOLUTELY NO WARRANTY.

For details type `warranty'.

kamcmd> ps

8456 main process - attendant

8457 udp receiver child=0 sock=10.0.20.1:6060

8458 slow timer

8459 timer

8460 secondary timer

8461 ctl handler

8462 cdp worker child=0

8463 cdp receiver peer unknown

8464 cdp_receiver_peer=hss522.irisims.org

8465 cdp_acceptor

8466 cdp_timer

8470 notification_worker

8471 notification_worker

8472 notification_worker

8473 notification_worker

8477 JSONRPCS FIFO

8478 JSONRPCS DATAGRAM

Any advice appreciated.

Thanks,

Martin Woscek

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