[sr-dev] [kamailio/kamailio] ims_usrloc_pcscf can not fetch protocol field from mysql DB (#2871)
Erhan Onur Sendag
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Wed Oct 6 10:51:43 CEST 2021
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Kamailio's ims_usrloc_pcscf module fetches all contact informations from location table at startup.
I noticed that it fails to fetch protocol information. I checked the function which reads the contact row:
I saw that it is read the value as INT. Then checked database table and saw that protocol field is CHAR(5).
CREATE TABLE `location` (
`protocol` char(5) DEFAULT NULL,
The protocol fields needs to be INT in location table as well.
This bug leads to other bugs because protocol information is used in aor_hash calculation.
Put a record in location table with protocol value as 1.
Set ims_usrloc_pcscf module parameter db_mode as 1.
After kamailio startup, on debug log, protocol information will be seen as a big integer value.
#### Debugging Data
If you got a core dump, use gdb to extract troubleshooting data - full backtrace,
local variables and the list of the code at the issue location.
gdb /path/to/kamailio /path/to/corefile
If you are familiar with gdb, feel free to attach more of what you consider to
(paste your debugging data here)
#### Log Messages
Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
(paste your log messages here)
#### SIP Traffic
If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
(paste your sip traffic here)
### Possible Solutions
If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix.
The protocol fields can be defined as INT in location table.
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
(paste your output here)
* **Operating System**:
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `lsb_release -a` and `uname -a`)
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