zowe/zowe-native-proto
Jan 2025 – Oct 2025
10 Months active
Languages Used
AssemblyCC++GoJCLJavaScriptMakefileMarkdown
Technical Skills
Assembly Language ProgrammingBackend DevelopmentBuild AutomationBuild ProcessBuild ScriptingBuild Systems
Dan Kelosky
PROFILE
Dan Kelosky
Dan Kelosky developed core native components for the zowe/zowe-native-proto repository, focusing on robust z/OS integration and developer tooling. He engineered features such as CLI-driven job management, dataset operations, and recovery routines, leveraging C, C++, and Assembly to address low-level system programming challenges. His work included build system modernization, automated testing frameworks, and secure program loading, all aimed at improving reliability and maintainability. By implementing error handling, memory management, and cross-language API wrappers, Dan enabled seamless automation and enhanced developer experience. The depth of his contributions is reflected in the breadth of features, bug fixes, and infrastructure improvements delivered.
Overall Statistics
Feature vs Bugs
65%Features
Repository Contributions
110Total
Bugs
27
Commits
110
Features
50
Lines of code
35,824
Activity Months10
Your Network
6 people
Work History
October 2025
1 Commits • 1 Features
Oct 1, 2025In October 2025, delivered a comprehensive test suite for the Zowex CLI in the zowe-native-proto repository, expanding coverage to version checks, job management, and data set operations to ensure robustness and correctness of z/OS interactions. This work includes a CI-ready test harness and alignment to the latest CLI changes, with the change tied to commit 1a5a1d8d6047d85c700897702a628c8f3a14083c (Add zowex Tests #506).
1 Commits • 1 Features
Oct 1, 2025In October 2025, delivered a comprehensive test suite for the Zowex CLI in the zowe-native-proto repository, expanding coverage to version checks, job management, and data set operations to ensure robustness and correctness of z/OS interactions. This work includes a CI-ready test harness and alignment to the latest CLI changes, with the change tied to commit 1a5a1d8d6047d85c700897702a628c8f3a14083c (Add zowex Tests #506).
October 2025
September 2025
5 Commits • 4 Features
Sep 1, 2025Monthly summary for 2025-09 (zowe/zowe-native-proto). This period focused on delivering foundational tooling enhancements for Metal C environments and z/OS interoperability, along with automation improvements to streamline workflows and bolster build stability. Key outcomes include new JSON Web Toolkit wrappers with example programs, automation for generating C headers from High-Level Assembler DSECT files, dynamic debug printing with enhanced memory dumps, a PARMLIB dataset listing tool with accompanying CLI and tests, and a targeted static visibility fix to resolve build/link issues. These efforts improve cross-language capabilities, developer productivity, and reliability for native Zowe components.
September 2025
5 Commits • 4 Features
Sep 1, 2025Monthly summary for 2025-09 (zowe/zowe-native-proto). This period focused on delivering foundational tooling enhancements for Metal C environments and z/OS interoperability, along with automation improvements to streamline workflows and bolster build stability. Key outcomes include new JSON Web Toolkit wrappers with example programs, automation for generating C headers from High-Level Assembler DSECT files, dynamic debug printing with enhanced memory dumps, a PARMLIB dataset listing tool with accompanying CLI and tests, and a targeted static visibility fix to resolve build/link issues. These efforts improve cross-language capabilities, developer productivity, and reliability for native Zowe components.
August 2025
7 Commits • 5 Features
Aug 1, 2025Month: 2025-08 — zowe/zowe-native-proto delivered security hardening, reliability, and usability improvements across core runtime and dataset tooling. The work emphasizes secure program loading, robust error recovery, and developer/operator experience enhancements, with targeted build cleanliness and code reuse. Key highlights include: - Secure Authorization flag handling and TCB/JSCB structure support: disable unauthorized flags before loading programs; add assembly support for TCB/JSCB and updated build scripts for secure checks. Commit: 26bd3628901462908852f68d50f7780858bbdd5c. - Console timeout infrastructure: established foundational infrastructure with setjmp/longjmp, macro refactors, and dynamic storage handling for robust error recovery. Commit: 3ae27402b6647223e07ed0e8336469c541d52f08. - Console timeout management and indicators: added negative timeouts, CLI options, bounds checking, and timeout indicators with recovery behavior. Commits: 6555c187072ea6389da7a4a0efbbb323da77be3c; ef0dd9b7fdc93a829a9d7a4639ccf08b0e364b77. - Fixed Block dataset creation helper: introduced zds_create_dsn_fb and refactored creation logic for reuse. Commit: ac5caa02be2cf2c2e3d485cc9feee6cc86e4dddd. - Increased default listing limit for zowex ds list: raised default from 100 to 5000 to improve usability and visibility. Commit: bafce1ff5de9094c9c86576ad208059738edb718. Major bug fixes: Build warning fixes were implemented by making a header function static and removing the 'clean' target from the makefile’s all rule to streamline the build process. Commit: ea8cef15af42a891556052487e70950c3f84d962. Overall impact: Increased security during program loading, improved error handling and resilience of console operations, better developer ergonomics through reusable dataset creation paths, and enhanced operability for large datasets with higher default listing capacity. Technologies/skills demonstrated: C, setjmp/longjmp, macro refactors, dynamic storage handling, static function optimization, build system tuning, and code reuse/refactoring for maintainability.
7 Commits • 5 Features
Aug 1, 2025Month: 2025-08 — zowe/zowe-native-proto delivered security hardening, reliability, and usability improvements across core runtime and dataset tooling. The work emphasizes secure program loading, robust error recovery, and developer/operator experience enhancements, with targeted build cleanliness and code reuse. Key highlights include: - Secure Authorization flag handling and TCB/JSCB structure support: disable unauthorized flags before loading programs; add assembly support for TCB/JSCB and updated build scripts for secure checks. Commit: 26bd3628901462908852f68d50f7780858bbdd5c. - Console timeout infrastructure: established foundational infrastructure with setjmp/longjmp, macro refactors, and dynamic storage handling for robust error recovery. Commit: 3ae27402b6647223e07ed0e8336469c541d52f08. - Console timeout management and indicators: added negative timeouts, CLI options, bounds checking, and timeout indicators with recovery behavior. Commits: 6555c187072ea6389da7a4a0efbbb323da77be3c; ef0dd9b7fdc93a829a9d7a4639ccf08b0e364b77. - Fixed Block dataset creation helper: introduced zds_create_dsn_fb and refactored creation logic for reuse. Commit: ac5caa02be2cf2c2e3d485cc9feee6cc86e4dddd. - Increased default listing limit for zowex ds list: raised default from 100 to 5000 to improve usability and visibility. Commit: bafce1ff5de9094c9c86576ad208059738edb718. Major bug fixes: Build warning fixes were implemented by making a header function static and removing the 'clean' target from the makefile’s all rule to streamline the build process. Commit: ea8cef15af42a891556052487e70950c3f84d962. Overall impact: Increased security during program loading, improved error handling and resilience of console operations, better developer ergonomics through reusable dataset creation paths, and enhanced operability for large datasets with higher default listing capacity. Technologies/skills demonstrated: C, setjmp/longjmp, macro refactors, dynamic storage handling, static function optimization, build system tuning, and code reuse/refactoring for maintainability.
August 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025Monthly performance summary for 2025-07 focused on the zowe-native-proto repo. Delivered initial testing scaffolding for ZCN (z/OS Console Notification) functionality and integrated it with the build process to set up CI-ready test infrastructure. Work is in-progress, laying the groundwork for future automated tests and improved reliability of the ZCN feature.
July 2025
1 Commits • 1 Features
Jul 1, 2025Monthly performance summary for 2025-07 focused on the zowe-native-proto repo. Delivered initial testing scaffolding for ZCN (z/OS Console Notification) functionality and integrated it with the build process to set up CI-ready test infrastructure. Work is in-progress, laying the groundwork for future automated tests and improved reliability of the ZCN feature.
June 2025
6 Commits • 3 Features
Jun 1, 2025June 2025 — Focused on quality, reliability, and developer productivity for the zowe-native-proto workstream. Delivered a comprehensive native C/C++ components testing framework, enhanced debugging capabilities for z/OS data methods, and ZCN activation/deactivation functionality, complemented by targeted bug fixes with regression tests and changelog updates. These efforts improved product quality, reduced debugging time, and provided clearer release notes for stakeholders.
6 Commits • 3 Features
Jun 1, 2025June 2025 — Focused on quality, reliability, and developer productivity for the zowe-native-proto workstream. Delivered a comprehensive native C/C++ components testing framework, enhanced debugging capabilities for z/OS data methods, and ZCN activation/deactivation functionality, complemented by targeted bug fixes with regression tests and changelog updates. These efforts improved product quality, reduced debugging time, and provided clearer release notes for stakeholders.
June 2025
May 2025
3 Commits • 3 Features
May 1, 2025May 2025 monthly summary for zowe/zowe-native-proto: Key features delivered: - Build System Reorganization and Artifact Management: Introduced a dedicated build-out directory for artifacts, refactored the Makefile to route all compiled objects and libraries into the new directory, and updated build scripts to reference artifact paths for consistent builds. This change improves reproducibility and artifact handling across environments. (Commit: 7aad83347173c1a0d6e2ffed2c7cebe68b427063) - PDS Data Compression via zowex CLI: Added a new 'compress' verb to the zowex CLI to compress PDS datasets using IEBCOPY, including allocation of DD statements, control statement generation, execution, and cleanup. This enables streamlined data prep workflows and storage efficiency. (Commit: 23ca7083d15cd2d7829e9a5ff0311fdd58663626) - Standardize Prolog/Epilog Directives in zowe-native-proto: Refactored prolog and epilog directives across C files to a new format and standardized initialization and cleanup routines in native functions. This modernization reduces drift and improves maintainability. (Commit: 59cb10575a1ad7215f05cc44c73f66fa1de9d053) Major bugs fixed: - Fix #188: Standardization of prolog/epilog directives and initialization/cleanup routines in zowe-native-proto to enhance stability and reduce edge-case issues. (Commit: 59cb10575a1ad7215f05cc44c73f66fa1de9d053) Overall impact and accomplishments: - Improved build reproducibility and artifact management for zowe-native-proto, enabling more reliable local and CI builds. - Enabled new data workflow capability via PDS compression, reducing manual steps and storage overhead. - Modernized codebase with standardized directives and cleanup patterns, improving maintainability and onboarding for new contributors. Technologies/skills demonstrated: - Build systems and Makefile orchestration, artifact management - CLI extension and scripting for data operations (IEBCOPY, DD statements) - C code refactoring and directive standardization (init/cleanup routines) - Focus on reliability, reproducibility, and maintainability
May 2025
3 Commits • 3 Features
May 1, 2025May 2025 monthly summary for zowe/zowe-native-proto: Key features delivered: - Build System Reorganization and Artifact Management: Introduced a dedicated build-out directory for artifacts, refactored the Makefile to route all compiled objects and libraries into the new directory, and updated build scripts to reference artifact paths for consistent builds. This change improves reproducibility and artifact handling across environments. (Commit: 7aad83347173c1a0d6e2ffed2c7cebe68b427063) - PDS Data Compression via zowex CLI: Added a new 'compress' verb to the zowex CLI to compress PDS datasets using IEBCOPY, including allocation of DD statements, control statement generation, execution, and cleanup. This enables streamlined data prep workflows and storage efficiency. (Commit: 23ca7083d15cd2d7829e9a5ff0311fdd58663626) - Standardize Prolog/Epilog Directives in zowe-native-proto: Refactored prolog and epilog directives across C files to a new format and standardized initialization and cleanup routines in native functions. This modernization reduces drift and improves maintainability. (Commit: 59cb10575a1ad7215f05cc44c73f66fa1de9d053) Major bugs fixed: - Fix #188: Standardization of prolog/epilog directives and initialization/cleanup routines in zowe-native-proto to enhance stability and reduce edge-case issues. (Commit: 59cb10575a1ad7215f05cc44c73f66fa1de9d053) Overall impact and accomplishments: - Improved build reproducibility and artifact management for zowe-native-proto, enabling more reliable local and CI builds. - Enabled new data workflow capability via PDS compression, reducing manual steps and storage overhead. - Modernized codebase with standardized directives and cleanup patterns, improving maintainability and onboarding for new contributors. Technologies/skills demonstrated: - Build systems and Makefile orchestration, artifact management - CLI extension and scripting for data operations (IEBCOPY, DD statements) - C code refactoring and directive standardization (init/cleanup routines) - Focus on reliability, reproducibility, and maintainability
April 2025
9 Commits • 3 Features
Apr 1, 2025Concise monthly summary for April 2025 (zowe/zowe-native-proto): Focused on stability improvements, runtime orchestration, and developer tooling. Key features include runtime/job management enhancements, dataset/loadlib tooling, and a native build target. Major bugs fixed include memory leak issues in recovery routines and more robust subsystem handling for JES2/JES3. Overall impact: increased stability of recovery paths, faster and more transparent job submission/monitoring, easier management of datasets and load libraries, and a streamlined native build process. Technologies demonstrated: memory management macros, subsystem detection logic, run-time parameters and correlators, CLI tooling, Makefile/native target, and build system improvements. Business value: reduced outages, improved resource utilization, faster job workflows, and enhanced developer experience.
9 Commits • 3 Features
Apr 1, 2025Concise monthly summary for April 2025 (zowe/zowe-native-proto): Focused on stability improvements, runtime orchestration, and developer tooling. Key features include runtime/job management enhancements, dataset/loadlib tooling, and a native build target. Major bugs fixed include memory leak issues in recovery routines and more robust subsystem handling for JES2/JES3. Overall impact: increased stability of recovery paths, faster and more transparent job submission/monitoring, easier management of datasets and load libraries, and a streamlined native build process. Technologies demonstrated: memory management macros, subsystem detection logic, run-time parameters and correlators, CLI tooling, Makefile/native target, and build system improvements. Business value: reduced outages, improved resource utilization, faster job workflows, and enhanced developer experience.
April 2025
March 2025
5 Commits • 3 Features
Mar 1, 2025Month: 2025-03 — Delivered key business-value improvements across resilience, CLI capabilities, and data-migration workflows for zowe/zowe-native-proto. Implemented foundational resilience and resource management with recovery routines, save area structures, program interruption/recovery handling, and cleanup epilog directives. Enhanced CLI with a Run Command to execute 31-bit and 64-bit programs, plus security improvements including a master authority option and default console name. Improved dataset migration support with a migr flag, better error handling, and cleanup of unused CLI modules. These changes reduce downtime, improve recovery reliability, and streamline migrated-dataset handling while expanding production-ready CLI capabilities.
March 2025
5 Commits • 3 Features
Mar 1, 2025Month: 2025-03 — Delivered key business-value improvements across resilience, CLI capabilities, and data-migration workflows for zowe/zowe-native-proto. Implemented foundational resilience and resource management with recovery routines, save area structures, program interruption/recovery handling, and cleanup epilog directives. Enhanced CLI with a Run Command to execute 31-bit and 64-bit programs, plus security improvements including a master authority option and default console name. Improved dataset migration support with a migr flag, better error handling, and cleanup of unused CLI modules. These changes reduce downtime, improve recovery reliability, and streamline migrated-dataset handling while expanding production-ready CLI capabilities.
February 2025
34 Commits • 10 Features
Feb 1, 2025February 2025 monthly summary for zowe/zowe-native-proto focused on foundational enhancements, reliability improvements, and targeted documentation to accelerate future work and integration. The team delivered a lean set of features and a broad set of bug fixes that increase stability, API compatibility, and maintainability, while laying groundwork for planned capabilities.
34 Commits • 10 Features
Feb 1, 2025February 2025 monthly summary for zowe/zowe-native-proto focused on foundational enhancements, reliability improvements, and targeted documentation to accelerate future work and integration. The team delivered a lean set of features and a broad set of bug fixes that increase stability, API compatibility, and maintainability, while laying groundwork for planned capabilities.
February 2025
January 2025
39 Commits • 17 Features
Jan 1, 2025January 2025 (2025-01) focused on establishing a solid foundation for zowe-native-proto, delivering core capabilities for data handling, JCL access, and developer usability while stabilizing the codebase with targeted fixes. The month combined foundational bootstrap with feature delivery, enabling faster onboarding, reliable data and job operations, and an improved developer experience.
January 2025
39 Commits • 17 Features
Jan 1, 2025January 2025 (2025-01) focused on establishing a solid foundation for zowe-native-proto, delivering core capabilities for data handling, JCL access, and developer usability while stabilizing the codebase with targeted fixes. The month combined foundational bootstrap with feature delivery, enabling faster onboarding, reliable data and job operations, and an improved developer experience.
Activity
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Quality Metrics
Correctness85.0%
Maintainability84.6%
Architecture79.8%
Performance75.8%
AI Usage20.4%
Skills & Technologies
Programming Languages
AssemblyCC++GoJCLJavaScriptMakefileMarkdownShellTypeScript
Technical Skills
API DevelopmentAPI DocumentationAPI WrappersAssemblyAssembly LanguageAssembly Language ProgrammingAssembly languageBackend DevelopmentBug FixingBuild AutomationBuild ProcessBuild ScriptingBuild System ConfigurationBuild SystemsBuild Tools
Repositories Contributed To
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