Pre-Submission Checklist

Commit message has the format required by CONTRIBUTING guide
Commits are split per component (core, individual modules, libs, utils, ...)
Each component has a single commit (if not, squash them into one commit)
No commits to README files for modules (changes must be done to docbook files
in doc/ subfolder, the README file is autogenerated)

Type Of Change

Small bug fix (non-breaking change which fixes an issue)
New feature (non-breaking change which adds new functionality)
Breaking change (fix or feature that would change existing functionality)

Checklist:

PR should be backported to stable branches
Tested changes locally
Related to issue #2984

Description

A new option to "listen" has been added called "virtual". This sets a flag on the listening socket to modify the behaviour of grep_sock_info. When this flag is set, grep_sock_info will only consider the listening IP a match if the IP is found in the system's current list of local IP addresses. If the IP is not currently local, then the matching IP is ignored.

If the virtual flag is not set on the socket then existing behaviour used instead.

This feature is intended for scenarios where you have two Kamailio nodes in active/active setup, with virtual IPs, where you need to be able to listen on a virtual IP but it may not always be active locally. With this flag applied to a listen= socket, Kamailio will only consider traffic destined to this IP local, when the IP is actually active on the system, and other times the match is ignored.

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/2985

Commit Summary

f83d048 core: listen can now have a "virtual" flag to check for nonlocal floating IPs.
f1351f3 etc: kamailio.cfg - added example use of listen's new virtual flag.
bbdc7f1 core: Added virtual flag to output of core.sockets_list
7fa6a85 corex: Added virtual flag to output of "corex.list_sockets"
cd4372e ims_ipsec_pcscf: Added virtual flag to output of sockets list.

File Changes

(8 files)

M etc/kamailio.cfg (2)
M src/core/cfg.lex (2)
M src/core/cfg.y (83)
M src/core/core_cmd.c (10)
M src/core/ip_addr.h (1)
M src/core/socket_info.c (85)
M src/modules/corex/corex_rpc.c (5)
M src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c (8)

Patch Links:

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