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asn1_codec Release Notes

Version 2.2.0, released September 2024

Summary

The changes for the asn1_codec 2.2.0 release include the addition of encoder topics to KAFKA_CREATE_TOPICS and updates to the do_kafka_test.sh script.

Enhancements in this release:

  • CDOT PR 29: Added encoder topics to KAFKA_CREATE_TOPICS
  • CDOT PR 30: Updated do_kafka_test.sh script

Version 2.1.0, released June 2024

Summary

The changes for the asn1_codec 2.1.0 release include revised documentation for accuracy and improved clarity and readability. Additionally, there has been a transition to using usdot-fhwa-stol/usdot-asn1c instead of mouse07410/asn1c for the ASN.1 Compiler.

Enhancements in this release:

  • CDOT PR 25: Revised documentation for accuracy & improved clarity/readability
  • CDOT PR 26: Transitioned to using usdot-fhwa-stol/usdot-asn1c instead of mouse07410/asn1c for ASN.1 Compiler

Known Issues:

  • The do_kafka_test.sh script in the project's root directory is currently not running successfully. The issue is being investigated and will be addressed in a future update.
  • According to Valgrind, a minor memory leak has been detected. The development team is aware of this and is actively working on resolving it.

Version 2.0.0, released February 2024

Summary

The changes for the asn1_codec 2.0.0 release include dockerfile optimizations, a transition to J2735 2020, dockerhub image documentation, a move to including the generated header/implementation files in tracked files as tarballs and updated SCMS files.

Enhancements in this release:

  • CDOT PR 14: Optimized dockerfiles for smaller & faster deployments by switching over to using alpine as the base image
  • CDOT PR 18: Allowed 'doIt.sh' to target directories instead of a single file
  • CDOT PR 19: Transitioned to using the ASN files for J2735 2020.
  • CDOT PR 17: Added dockerhub image documentation
  • CDOT PR 21: Included generated header/implementation files in tracked files as tarballs
  • CDOT PR 20: Updated SCMS files

Known Issues:

  • The do_kafka_test.sh script in the project's root directory is currently not running successfully. The issue is being investigated and will be addressed in a future update.
  • According to Valgrind, a minor memory leak has been detected. The development team is aware of this and is actively working on resolving it.

Breaking Changes

  • Users should note that due to the switch to J2735 2020, TIMs conforming to J2735 2016 will no longer be processed successfully. This is due to the fact that the J2735 2020 standard has renamed some fields for TIMs. The corresponding updates in the 2.0.0 release for the ODE handles these changes for incoming 2016 TIMs, but any outside applications will need to update their systems to handle these changes prior to forwarding 2016 TIMs to the ACM. The TIM changes in J2735 2020 include the following field renamings:
    • sspTimRights -> notUsed
    • sspLocationRights -> notUsed1
    • sspMsgRights1 -> notUsed2
    • sspMsgRights2 -> notUsed3
    • duratonTime -> durationTime

Version 1.5.0, released November 2023

Summary

The changes for the asn1_codec 1.5.0 include improved compatibility, a new build script, enhanced code analysis, uniform logging levels, auto-restart for Docker-compose, a default logging level change, and graceful shutdown for ACM in response to errors.

  • The catch dependency has been updated to a more recent version to ensure compatibility and reliability.
  • Added build.sh script
  • A new sonar configuration has been included to enhance code analysis capabilities.
  • The logging level strings have been converted to uppercase to match those in other submodules.
  • Docker-compose.yml files have been modified to automatically restart in case of failure.
  • The default logging level has been changed from TRACE to ERROR.
  • ACM will now gracefully shut down when it encounters a transport error or an unrecognized Kafka error.

Known Issues:

  1. The do_kafka_test.sh script in the project's root directory is currently not running successfully. The issue is being investigated and will be addressed in a future update.
  2. According to Valgrind, a minor memory leak has been detected. The development team is aware of this and is actively working on resolving it.

Version 1.4.0, released July 5th 2023

Summary

The release of asn1_codec version 1.4.0 focuses on making improvements to the logging system. The following changes have been made:

Enhancements in this release:

  • Implemented modifications to ensure that log setup errors are flushed immediately.
  • Added some files to the .gitignore file to exclude them from version control.
  • Added an existence check for the build folder before deleting it in build_local.sh script.

Fixes in this release:

  • Minimized the reliance on standard output throughout the code.
  • Reviewed the log levels for each log statement and adjusted as needed.

Known Issues:

  • The do_kafka_test.sh script in the project's root directory is currently not running successfully. The issue is being investigated and will be addressed in a future update.
  • According to Valgrind, a minor memory leak has been detected. The development team is aware of this and is actively working on resolving it.

Version 1.3.0, released Mar 30th 2023

Summary

The updates for asn1_codec 1.0.0 include Confluent Cloud integration, some fixes (including a memory leak fix), logging modifications and documentation improvements.

Enhancements in this release:

  • Created and utilized the AcmLogger class.
  • Added a method to initialize project submodules to the build_local.sh script.
  • Added asn1 reset to allow build.
  • Simplified logging solution & added log level environment variable to the project.
  • Set proper security protocol.
  • Altered group.id in some properties files.
  • Improved how env vars are retrieved in acm.cpp.
  • Altered acm.error.template property in some files.
  • Updated partition fetch size.
  • Updated descriptor.
  • Modified dockerfiles and cleaned up acm.cpp a bit.
  • Added a note about SASL.
  • Added a section to the README on CC integration.
  • Swapped to using librdkafka package instead of including it as a submodule.
  • Added build script.
  • Added better descriptors and test call.

Fixes in this release:

  • Fixed bug with consumer_ptr.
  • Fixed a memory leak occurring due to a metadata pointer not getting freed.
  • Reorganized some code for readability purposes.
  • Allowed the project to work with an instance of kafka hosted by Confluent Cloud.
  • Commented out asn1.kafka.partition property in some properties files.

Known Issues

  • The do_kafka_test.sh script in the root directory of the project does not run successfully at this time.
  • There is a potential minor memory leak, according to Valgrind.