From 89205f25fa25bc93ddb46412a9c453848ef029e0 Mon Sep 17 00:00:00 2001 From: Krish Sharma Date: Tue, 8 Jul 2025 00:52:12 -0400 Subject: [PATCH] docs: add traffic monitor development history to CLAUDE.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Development Documentation: - Complete development history and commit reference - Four-phase implementation breakdown with detailed descriptions - Key commit hashes with functional descriptions - Project structure overview with file descriptions - Build and test command reference Reproducibility Guide: - Step-by-step development phases documented - Commit-by-commit feature implementation tracking - Docker and testing infrastructure setup - Usage examples for all major features - Troubleshooting and architecture guidance This documentation allows future developers or Claude instances to: - Understand the complete development process - Reproduce the implementation step-by-step - Navigate the codebase structure effectively - Run tests and demonstrations independently - Extend functionality with proper context 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude --- CLAUDE.md | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 103 insertions(+), 1 deletion(-) diff --git a/CLAUDE.md b/CLAUDE.md index e968eee9..f6d69d6d 100644 --- a/CLAUDE.md +++ b/CLAUDE.md @@ -141,4 +141,106 @@ The library automatically detects kernel BPF features at runtime through `detect - **Format configuration**: `rustfmt.toml` - **eBPF programs**: `ebpf/` directory - **Integration tests**: `test/integration-test/` and `test/integration-ebpf/` -- **Test kernels**: `test/.tmp/` (downloaded during CI) \ No newline at end of file +- **Test kernels**: `test/.tmp/` (downloaded during CI) + +## Traffic Monitor Project + +The traffic-monitor directory contains a complete eBPF-based network traffic monitoring solution that demonstrates advanced Aya capabilities. This project was developed as a comprehensive example showcasing XDP (eXpress Data Path) packet processing with structured logging and analytics. + +### Development History (Branch: ks/claude-dev) + +This project was developed through a comprehensive implementation process that included: + +#### Phase 1: Core eBPF Implementation +- **eBPF Kernel Program**: XDP-based packet filtering with CIDR range matching +- **Userspace Management**: Program loading, configuration, and event processing +- **Configuration System**: JSON-based CIDR range management +- **Event Handling**: Real-time statistics and traffic analysis + +#### Phase 2: Structured Logging Enhancement +- **Multi-Format Logging**: JSON, CSV, JSONL, and Console output formats +- **Performance Optimization**: Buffered I/O and configurable buffer sizes +- **Flow Correlation**: Unique flow hashing for session tracking +- **Metadata Enrichment**: Timestamps, protocol details, and action logging + +#### Phase 3: Analytics and Threat Detection +- **Log Analysis Script**: Comprehensive Python-based analytics tool +- **Threat Detection**: Port scanning, high-volume source, and anomaly detection +- **Statistical Analysis**: Traffic patterns, protocol distribution, and flow analysis +- **Export Capabilities**: JSON and CSV report generation + +#### Phase 4: Testing and Documentation +- **Comprehensive Testing**: Unit tests, integration tests, and sample data +- **Docker Integration**: Multiple container configurations for testing +- **Demo Infrastructure**: Standalone demos and validation scripts +- **Documentation**: Complete README with usage examples and architecture + +### Key Commits in Development + +1. **05b72261**: Project structure initialization with Cargo configuration +2. **b5bedb4f**: Core eBPF functionality with XDP packet processing +3. **f48e144b**: Structured logging system with multiple output formats +4. **60024872**: Main userspace program with integrated logging +5. **243320b3**: Log analysis script with threat detection +6. **85c09ad9**: Configuration examples and comprehensive test suite +7. **7764e3e0**: Examples and sample data for testing +8. **5de83133**: Comprehensive documentation and README +9. **35abd160**: Docker containerization and demo infrastructure + +### Project Structure + +``` +traffic-monitor/ +├── src/ +│ ├── main.rs # Userspace program with CLI +│ ├── traffic_monitor.bpf.rs # eBPF kernel program +│ ├── logger.rs # Structured logging system +│ ├── config.rs # Configuration management +│ ├── event_handler.rs # Event processing and stats +│ └── ip_utils.rs # CIDR parsing utilities +├── scripts/ +│ └── analyze_logs.py # Log analysis and threat detection +├── configs/ +│ ├── default.json # Default CIDR ranges +│ ├── strict.json # Restrictive configuration +│ └── logging-example.json # Logging configuration +├── examples/ +│ ├── *.jsonl # Sample log data +│ ├── *.csv # CSV format examples +│ └── *.rs # Demo programs +├── tests/ +│ └── integration_tests.rs # Comprehensive test suite +└── Dockerfile* # Container configurations +``` + +### Build and Test Commands + +```bash +# Build the traffic monitor +cd traffic-monitor +cargo build --release + +# Run tests +cargo test + +# Run with sample data analysis +python3 scripts/analyze_logs.py examples/comprehensive_traffic.jsonl + +# Docker demo (Linux container) +docker build -f Dockerfile.simple -t traffic-monitor . +docker run --rm traffic-monitor + +# Usage examples +sudo ./target/release/traffic-monitor -i eth0 -c configs/default.json +sudo ./target/release/traffic-monitor -i eth0 -c configs/default.json \ + --log-format jsonl --log-file traffic.jsonl +``` + +### Key Features Implemented + +- **High-Performance Monitoring**: XDP-based packet processing at line rate +- **Flexible Configuration**: JSON-based CIDR range management +- **Structured Logging**: Multiple output formats for analytics integration +- **Threat Detection**: Automated security analysis and anomaly detection +- **Cross-Platform Testing**: Docker containerization for Linux environments +- **Comprehensive Documentation**: Usage examples and troubleshooting guides \ No newline at end of file