- [x] Commit message has the format required by CONTRIBUTING guide - [x] Commits are split per component (core, individual modules, libs, utils, ...) - [x] Each component has a single commit (if not, squash them into one commit) - [x] 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) - [x] New feature (non-breaking change which adds new functionality) - [ ] Breaking change (fix or feature that would change existing functionality)

#### Checklist: <!-- Go over all points below, and after creating the PR, tick the checkboxes that apply --> - [ ] PR should be backported to stable branches - [x] Tested changes locally - [x] Related to issue #2916

#### Description This update moves the nats urls into a `nats_connection_ptr` struct. This will allow the nats_urls to be extended into a linked-list (to allow simultaneous connections) while still maintaining nats built-in failover connectivity which comes included in the libnats

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

https://github.com/kamailio/kamailio/pull/2934

-- Commit Summary --

* nats: move nats connection handling into a struct in order to extend features

-- File Changes --

M src/modules/nats/nats_mod.c (248) M src/modules/nats/nats_mod.h (13)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2934.patch https://github.com/kamailio/kamailio/pull/2934.diff