iox-#1129 Multiple RouDi MVP

[elBoberido]

Pre-Review Checklist for the PR Author

1. [x] Add a second reviewer for complex new features or larger refactorings
2. [x] Code follows the coding style of CONTRIBUTING.md
3. [x] Tests follow the best practice for testing
4. [x] Changelog updated in the unreleased section including API breaking changes
5. [x] Branch follows the naming format (iox-123-this-is-a-branch)
6. [x] Commits messages are according to this guideline
   • [x] Commit messages have the issue ID (iox-#123 commit text)
   • [x] Commit author matches Eclipse Contributor Agreement (and ECA is signed)
7. [x] Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
8. [x] Relevant issues are linked
9. [x] Add sensible notes for the reviewer
10. [x] All checks have passed (except task-list-completed)
11. [x] All touched (C/C++) source code files from iceoryx_hoofs are added to ./clang-tidy-diff-scans.txt
12. [x] Assign PR to reviewer

Notes for Reviewer

This PR adds the experimental feature to run multiple RouDi in parallel. In order to achieve this, the --domain-id cmd line parameter must be used when RouDi is started. On the client side the new Node must be used and the domain ID must be specified with the NodeBuilder. There is also a IOX_DOMAIN_ID environment variable that can be used with the NodeBuilder.

Currently it is not possible to run multiple nodes in parallel in the same process due to limitations in PointerRespository

Checklist for the PR Reviewer

• [x] Commits are properly organized and messages are according to the guideline
• [x] Code according to our coding style and naming conventions
• [x] Unit tests have been written for new behavior
• [x] Public API changes are documented via doxygen
• [x] Copyright owner are updated in the changed files
• [x] All touched (C/C++) source code files from iceoryx_hoofs have been added to ./clang-tidy-diff-scans.txt
• [x] PR title describes the changes

Post-review Checklist for the PR Author

1. [x] All open points are addressed and tracked via issues

References

• Relates to #1129

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 58.83978% with 149 lines in your changes are missing coverage. Please review.

Project coverage is 78.92%. Comparing base (b2cd72b) to head (8485f26).

Additional details and impacted files

[](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) ```diff @@ Coverage Diff @@ ## master #2208 +/- ## ========================================== - Coverage 79.09% 78.92% -0.18% ========================================== Files 431 431 Lines 16581 16651 +70 Branches 2300 2321 +21 ========================================== + Hits 13114 13141 +27 - Misses 2616 2657 +41 - Partials 851 853 +2 ``` | [Flag](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) | `78.71% <58.83%> (-0.17%)` | :arrow_down: | | [unittests_timing](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) | `15.27% <4.41%> (-0.06%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) | Coverage Δ | | |---|---|---| | [...ceoryx\_hoofs/design/include/iox/detail/newtype.inl](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9ob29mcy9kZXNpZ24vaW5jbHVkZS9pb3gvZGV0YWlsL25ld3R5cGUuaW5s) | `93.33% <100.00%> (ø)` | | | [...\_posh/include/iceoryx\_posh/iceoryx\_posh\_config.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ljZW9yeXhfcG9zaF9jb25maWcuaHBw) | `90.00% <ø> (ø)` | | | [...x\_posh/include/iceoryx\_posh/iceoryx\_posh\_types.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ljZW9yeXhfcG9zaF90eXBlcy5ocHA=) | `100.00% <100.00%> (ø)` | | | [...x\_posh/include/iceoryx\_posh/iceoryx\_posh\_types.inl](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ljZW9yeXhfcG9zaF90eXBlcy5pbmw=) | `70.96% <ø> (-4.04%)` | :arrow_down: | | [...lude/iceoryx\_posh/internal/mepoo/mepoo\_segment.inl](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL21lcG9vL21lcG9vX3NlZ21lbnQuaW5s) | `80.76% <100.00%> (ø)` | | | [...de/iceoryx\_posh/internal/mepoo/segment\_manager.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL21lcG9vL3NlZ21lbnRfbWFuYWdlci5ocHA=) | `100.00% <ø> (ø)` | | | [...de/iceoryx\_posh/internal/mepoo/segment\_manager.inl](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL21lcG9vL3NlZ21lbnRfbWFuYWdlci5pbmw=) | `81.66% <100.00%> (+0.31%)` | :arrow_up: | | [...ude/iceoryx\_posh/internal/posh\_error\_reporting.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL3Bvc2hfZXJyb3JfcmVwb3J0aW5nLmhwcA==) | `81.25% <ø> (ø)` | | | [...ude/iceoryx\_posh/internal/roudi/port\_pool\_data.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL3JvdWRpL3BvcnRfcG9vbF9kYXRhLmhwcA==) | `100.00% <100.00%> (ø)` | | | [...sh/include/iceoryx\_posh/internal/roudi/process.hpp](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx#diff-aWNlb3J5eF9wb3NoL2luY2x1ZGUvaWNlb3J5eF9wb3NoL2ludGVybmFsL3JvdWRpL3Byb2Nlc3MuaHBw) | `100.00% <ø> (ø)` | | | ... and [54 more](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx) | | ... and [3 files with indirect coverage changes](https://app.codecov.io/gh/eclipse-iceoryx/iceoryx/pull/2208/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=eclipse-iceoryx)