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foonathan_memory
This document is a declaration of software quality for the foonathan_memory external dependency, inspired on the
guidelines provided in the ROS2 REP-2004 document.
Foonathan's memory is a C++ library to manage memory allocations that improves upon the STL.
eprosima Fast DDS started using this library following the advice of ROS's and eProsima's partner, Apex.AI.
This Quality Declaration claims that the external dependency foonathan_memory qualifies to Quality Level 1 category for its use within eprosima Fast DDS.
This document assesses the quality risks that can be introduced by the use of this library in eprosima Fast DDS.
Below are the rationales, notes and caveats for this claim, organized by the requirements listed in the Package Requirements for Quality Level 1 in REP-2004.
foonathan_memory does not have a declared versioning scheme.
The latest release can be found here and the release notes can be found in the CHANGELOG.
Even though the current version is < 1.0.0, foonathan_memory is in maintenance mode.
eprosima Fast DDS ensures foonathan_memory version stability by pinning to a specific commit.
Both eprosima foonathan_memory_vendor utility and eprosima Fast DDS CI tests use this specific commit.
This commit (signed December 16th 2019) is more recent than the current v0.6-2 released October 2nd 2019.
eprosima Fast DDS maintainers will keep a continuous watch over new releases in order to assess the impact they could have over eprosima Fast DDS.
Any bugfix or security vulnerability corrected that affects the API used by eprosima Fast DDS will be analyzed by the maintainers.
Decision about updating the used commit rests in eprosima Fast DDS maintainers.
foonathan_memory is stable and in maintenance mode.
foonathan_memory public API is defined in its documentation.
Additionally, eprosima Fast DDS has clearly stated the API used by the project here.
foonathan_memory does not provide any versioning policy.
However, by pinning eprosima Fast DDS CI tests and foonathan_memory_vendor utility to a particular commit ensures API and ABI stability within eprosima Fast DDS project.
foonathan_memory does not have a stated change control process.
Nevertheless, only when the pinned commit is updated is eprosima Fast DDS affected.
The change control process for the update of the foonathan_memory_vendor utility follows eProsima Contributing guidelines.
foonathan_memory does not require that changes occur through a pull request.
Many changes are committed directly by its maintainer.
foonathan_memory_vendor requires that all changes occur through a pull request.
foonathan_memory does not have a confirmation of contributor origin policy.
foonathan_memory_vendor uses DCO as its confirmation of contributor origin policy. More information can be found here.
foonathan_memory does not state its peer review policy, but each pull request is at least reviewed by the maintainer.
All foonathan_memory_vendor pull requests will be peer reviewed and need at least one approved review to be merged.
foonathan_memory changes run CI tests and the latest results can be seen here:
Additionally, eProsima CI runs foonathan_memory tests nightly in all eprosima Fast DDS Tier 1 platforms.
Latest results can be found here:
foonathan_memory_vendor does not provide CI tests being only an utility providing CMake files that configure foonathan_memory.
If ROS 2 dependencies are found, foonathan_memory_vendor could run ROS 2 linters and copyright tests as can be seen in the nightly CI results.
foonathan_memory does not have a stated documentation policy.
foonathan_memory provides a feature list with descriptions of its main features.
foonathan_memory has embedded API documentation that is generated using Doxygen and is hosted alongside the feature documentation.
Additionally, eprosima Fast DDS provides a document stating the API used within the project.
The license for foonathan_memory is Zlib.
A summary statement is provided in each source file and a full copy can be found in the LICENSE file.
The copyright holders each provide a statement of copyright in each source file in foonathan_memory.
foonathan_memory provides tests which simulate typical usage located in the test directory.
Specifically, the API used by eprosima Fast DDS is tested in the following tests:
foonathan_memory does not provide any tests to check this functionality.
Regardless, eprosima Fast DDS tests these features in the PersistenceTests and the WriterProxyTests.foonathan_memory does not track testing coverage.
However, eprosima Fast DDS ensures that every feature and API used within the library has been tested by running its own coverage analysis, which completely covers all API used by Fast DDS.
In order to change the foonathan_memory commit used in Fast DDS, maintainers must ensure that all new API is tested accordingly.
foonathan_memory does not conduct performance tests.
eprosima Fast DDS will run its performance tests and analyze their results before deciding to change the pinned commit to prevent performance regression.
Being pinned to a specific commit, any performance regression in eprosima Fast DDS could not be blamed on foonathan_memory.
foonathan_memory does not conduct tests with linters or any static analysis tool.
As foonathan_memory is not maintained by eProsima, these requirements should be waved.
foonathan_memory does not have any dependencies outside of the C++ standard library.
eprosima Fast DDS ensures foonathan_memory support for the same platforms defined in PLATFORM_SUPPORT.
Current nightly results can be found here:
Even though foonathan_memory does not provide a Vulnerability Disclosure Policy, eProsima will apply its Vulnerability Disclosure Policy for any security issue within the scope of eprosima Fast DDS project.
The chart below compares the requirements in the REP-2004 with the current state of foonathan_memory with the specifics dealt in this document to guarantee its quality level.
■ = requirement not properly fulfilled but dealt with.
● = requirement waved
| Number | Requirement | Current State |
|---|---|---|
| 1 | Version policy | --- |
| 1.i | Version Policy available | ■ |
| 1.ii | Stable version | ✓ |
| 1.iii | Declared public API | ✓ |
| 1.iv | API stability policy | ■ |
| 1.v | ABI stability policy | ■ |
| 2 | Change control process | --- |
| 2.i | All changes occur on change request | ■ |
| 2.ii | Contributor origin (DCO, CLA, etc) | ■ |
| 2.iii | Peer review policy | ■ |
| 2.iv | CI policy for change requests | ■ |
| 2.v | Documentation policy for change requests | ■ |
| 3 | Documentation | --- |
| 3.i | Per feature documentation | ✓ |
| 3.ii | Per public API item documentation | ✓ |
| 3.iii | Declared License(s) | ✓ |
| 3.iv | Copyright in source files | ✓ |
| 3.v.a | Quality declaration linked to README | ✓ |
| 3.v.b | Centralized declaration available for peer review | ✓ |
| 4 | Testing | --- |
| 4.i | Feature items tests | ✓ |
| 4.ii | Public API tests | ✓ |
| 4.iii.a | Using coverage | ■ |
| 4.iii.b | Coverage policy | ✓ |
| 4.iv.a | Performance tests (if applicable) | ■ |
| 4.iv.b | Performance tests policy | ✓ |
| 4.v.a | Code style enforcement (linters) | ● |
| 4.v.b | Use of static analysis tools | ● |
| 5 | Dependencies | --- |
| 5.iii | Justifies quality use of dependencies | ✓ |
| 6 | Platform support | --- |
| 6.i | Support targets Tier1 ROS platforms | ✓ |
| 7 | Security | --- |
| 7.i | Vulnerability Disclosure Policy | ✓ |
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