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Johannes Thoma

PROFILE

Johannes Thoma

Johannes Thoma developed foundational networking features for the reactos/reactos repository, focusing on modularizing TDI helper functions and implementing a BSD-style NETIO.SYS driver in C. He separated TDI helpers from AFD.SYS to enable cross-driver reuse, updating logging and documentation for maintainability. His work introduced an in-kernel TCP/IP API with core operations such as connect, listen, accept, read, and write, along with partial UDP support, establishing kernel-side networking and server capabilities. Leveraging skills in C programming, kernel development, and network programming, Johannes laid the groundwork for Windows-compatible networking and improved code structure, supporting future expansion of ReactOS networking features.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
2
Lines of code
2,633
Activity Months1

Work History

October 2025

2 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary focusing on delivering foundational networking capabilities and code modularization for ReactOS. Delivered two major outcomes: (1) modularization of TDI helper functions with cross-driver reuse, enabling future use in NETIO.SYS and other drivers; (2) in-kernel BSD-style NETIO.SYS driver implementing core TCP/IP and partial UDP support, establishing kernel-side networking and server capabilities. This work lays the groundwork for broader networking features, Windows compatibility considerations, and improved maintainability across the ReactOS networking stack.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

C programmingdriver developmentkernel developmentkernel programmingnetwork programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

reactos/reactos

Oct 2025 Oct 2025
1 Month active

Languages Used

C

Technical Skills

C programmingdriver developmentkernel developmentkernel programmingnetwork programming