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zongtanli

PROFILE

Zongtanli

Zongtan Li developed and overhauled the CARLA-MOSAIC XML-RPC bridge for the usdot-fhwa-stol/cdasim repository, focusing on robust integration between distributed simulation components. He implemented a Python-based XML-RPC server and enhanced the Java client to enable synchronized management of actors and traffic lights, introducing a tick-loop mechanism for reliable data exchange. Zongtan also established a comprehensive testing framework using Python and Mockito, improving end-to-end validation and error handling. His work included licensing compliance, code cleanup, and TLS-based configurability for traffic-light management, resulting in a more maintainable, reliable, and configurable simulation platform that supports higher-fidelity testing and integration.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

19Total
Bugs
0
Commits
19
Features
5
Lines of code
12,920
Activity Months2

Your Network

2 people

Work History

September 2025

6 Commits • 3 Features

Sep 1, 2025

September 2025 monthly work summary for usdot-fhwa-stol/cdasim: Key compliance, reliability, and configurability upgrades across the CARLA-based co-simulation bridge. Completed licensing header hygiene, stability-focused CARLA integration improvements, and TLS-based traffic-light handling configurability to enable safer, more predictable simulations. These changes reduce compliance risk, stabilize integration, and improve test coverage and observability.

August 2025

13 Commits • 2 Features

Aug 1, 2025

August 2025 monthly summary for usdot-fhwa-stol/cdasim focused on delivering a robust XML-RPC integration between CARLA and MOSAIC, coupled with a structured testing framework to improve reliability and validate end-to-end behavior. The month delivered a complete overhaul of the CARLA-MOSAIC integration via XML-RPC, introducing a Python XML-RPC server, an enhanced MOSAIC Java client, and a CARLA federate to manage actors and traffic lights with a unified API and a tick-loop data retrieval mechanism for robust synchronization. In parallel, a testing framework for the CARLA XML-RPC server was established, with initial test scripts, improved end-to-end validation, and documentation to raise test coverage and reliability.

Activity

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Quality Metrics

Correctness87.0%
Maintainability87.4%
Architecture84.8%
Performance76.2%
AI Usage23.2%

Skills & Technologies

Programming Languages

BashJavaMarkdownPythonShellXML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationBackend DevelopmentCARLACARLA API IntegrationCode CleanupCode ManagementDistributed SystemsDocumentationError HandlingFull Stack DevelopmentIntegration TestingJavaJava Development

Repositories Contributed To

1 repo

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

usdot-fhwa-stol/cdasim

Aug 2025 Sep 2025
2 Months active

Languages Used

BashJavaMarkdownPythonShellXML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationBackend DevelopmentCARLACARLA API Integration

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