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IMPLEMENTATION_STATUS
github-actions[bot] edited this page Mar 23, 2026
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This document tracks the implementation status of all features, improvements, and enhancements for ModBridge.
Last Updated: 2026-03-13 Version: Working towards v0.3.0
- ✅ Implemented - Feature is complete and production-ready
- 🟡 In Progress - Currently being implemented
- 🟠 Partial - Partially implemented, needs completion
- ⚪ Planned - Planned but not started
- ❌ Not Applicable - Feature decided against or not needed
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Configuration Validation (IP/port ranges) | 🟡 In Progress | Basic validation exists, needs comprehensive checks | |
| Database Connection Fallback | ⚪ Planned | Need fallback mechanisms when SQLite fails | |
| Graceful Degradation | ⚪ Planned | System should continue with degraded functionality | |
| Context Propagation | ✅ Implemented | Proper context cancellation in place | |
| Network Error Recovery | 🟠 Partial | Circuit breaker exists, needs enhancement | |
| Configuration Corruption Detection | ⚪ Planned | Detect and recover from corrupted config files |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Unit Tests | ✅ Implemented | 36 test files covering core functionality | |
| Integration Tests | 🟡 In Progress | Need tests with mock/real Modbus devices | |
| Load/Performance Tests | 🟡 In Progress | Being implemented | |
| Chaos Engineering Tests | ⚪ Planned | Failure injection tests | |
| Security Tests | ⚪ Planned | Penetration testing scenarios | |
| Test Coverage (>80%) | 🟠 Partial | Currently ~18%, needs significant improvement | |
| Benchmark Tests | ⚪ Planned | Performance regression tests |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Basic Authentication | ✅ Implemented | bcrypt + session management | |
| CSRF Protection | ✅ Implemented | Token-based CSRF protection | |
| Rate Limiting | ✅ Implemented | Global rate limiting in place | |
| Input Sanitization | 🟠 Partial | XSS protection exists, needs expansion | |
| RBAC (Role-Based Access Control) | 🟡 In Progress | Being implemented | |
| Audit Logging | 🟡 In Progress | Security event tracking | |
| TLS/HTTPS Support | 🟡 In Progress | Certificate configuration | |
| Security Headers | ⚪ Planned | CSP, HSTS, X-Frame-Options | |
| API Key Authentication | ⚪ Planned | Alternative to session-based auth | |
| mTLS Support | 🟡 In Progress | Mutual TLS for proxy connections | |
| IP Whitelisting/Blacklisting | ✅ Implemented | Per-proxy IP filtering |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Modbus TCP | ✅ Implemented | Full TCP support | |
| Modbus RTU | 🟡 In Progress | Serial/RTU protocol support | |
| TCP ↔ RTU Conversion | 🟡 In Progress | Protocol conversion gateway | |
| Custom Function Codes | ⚪ Planned | Extensibility for non-standard operations | |
| Multi-Master Support | ⚪ Planned | Handle multiple master devices |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Register Mapping | 🟡 In Progress | Address translation | |
| Data Type Conversion | 🟡 In Progress | INT16, INT32, FLOAT, etc. | |
| Scaling & Offset | 🟡 In Progress | Mathematical transformations | |
| Bit Manipulation | ⚪ Planned | Bit-level operations |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Connection Pooling | ✅ Implemented | Advanced pooling with health monitoring | |
| Request Batching | 🟡 In Progress | Batch multiple register reads | |
| Response Caching | 🟠 Partial | Basic caching exists, needs enhancement | |
| Response Compression | 🟡 In Progress | Gzip compression for large responses | |
| DNS Caching | ✅ Implemented | Built-in Go DNS caching | |
| Zero-Copy Techniques | ⚪ Planned | Optimize data transfer | |
| Memory Profiling | ✅ Implemented | pprof endpoints available |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Prometheus Metrics | ✅ Implemented | /api/metrics endpoint | |
| Structured Logging | ✅ Implemented | Custom logger with levels | |
| Health Checks | ✅ Implemented | /api/health endpoint | |
| Readiness Probes | 🟠 Partial | Basic health, needs detailed checks | |
| Distributed Tracing | ⚪ Planned | OpenTelemetry support | |
| Log Shipping | ⚪ Planned | Syslog, fluentd integration | |
| Performance Dashboards | ⚪ Planned | Grafana examples |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Clustering Support | 🟡 In Progress | Multi-instance coordination | |
| Leader Election | 🟡 In Progress | For HA deployments | |
| Shared State Backend | 🟡 In Progress | Redis/etcd integration | |
| Configuration Synchronization | 🟡 In Progress | Sync config across instances | |
| Health-based Failover | ⚪ Planned | Automatic failover | |
| Horizontal Scaling | 🟠 Partial | Stateless design, needs load balancer integration |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| LDAP Integration | 🟡 In Progress | Active Directory support | |
| Multi-Tenancy | ⚪ Planned | Multiple isolated organizations | |
| SSO Integration | ⚪ Planned | SAML/OAuth support | |
| Multi-Factor Authentication | ⚪ Planned | 2FA for admin access | |
| Advanced Alerting | 🟠 Partial | Basic alerts, needs escalation policies | |
| Compliance Reporting | ⚪ Planned | ISO, SOC2 reports |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Docker Support | ✅ Implemented | Dockerfile and compose files | |
| Helm Chart | ⚪ Planned | Kubernetes deployment | |
| Kubernetes Operator | ⚪ Planned | CRD-based management | |
| Multi-arch Builds | ✅ Implemented | Linux, macOS, Windows, ARM | |
| Distroless Images | ⚪ Planned | Minimal attack surface | |
| Terraform Modules | ⚪ Planned | Infrastructure as Code |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| README | ✅ Implemented | Comprehensive project documentation | |
| API Documentation | 🟠 Partial | Basic docs, needs OpenAPI/Swagger | |
| Architecture Diagram | ⚪ Planned | Visual architecture overview | |
| Performance Tuning Guide | 🟡 In Progress | Optimization documentation | |
| Security Hardening Guide | 🟡 In Progress | Security best practices | |
| Troubleshooting Guide | 🟠 Partial | Basic troubleshooting exists | |
| Deployment Guides | ✅ Implemented | Multiple deployment methods documented |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| CLI Management Tool | 🟡 In Progress | modbusctl for scripting | |
| Configuration Validation | 🟠 Partial | Basic validation, needs enhancement | |
| Debug Mode | ✅ Implemented | Detailed logging available | |
| API Client SDKs | ⚪ Planned | Go, Python, JavaScript libraries | |
| Plugin System | ⚪ Planned | Extensibility architecture |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| REST API | ✅ Implemented | Comprehensive HTTP API | |
| OpenAPI/Swagger | 🟡 In Progress | Interactive API documentation | |
| WebSocket/SSE | ✅ Implemented | Real-time updates via SSE | |
| Webhooks | ⚪ Planned | Event notifications |
| Feature | Status | Notes | PR/Issue |
|---|---|---|---|
| Basic Dashboard | ✅ Implemented | Vue.js + PrimeVue interface | |
| Proxy Management UI | ✅ Implemented | Create, edit, delete proxies | |
| Device Tracking UI | ✅ Implemented | View connected devices | |
| Real-time Monitoring | ✅ Implemented | Live traffic via SSE | |
| Dark Mode | ⚪ Planned | Theme switching | |
| Mobile Responsive | 🟠 Partial | Basic responsive design | |
| Bulk Operations | ⚪ Planned | Multi-proxy actions | |
| Configuration Templates | ⚪ Planned | Reusable proxy configs | |
| Drag-and-Drop Configuration | ⚪ Planned | Visual proxy builder | |
| Performance Charts | ⚪ Planned | Real-time metrics visualization |
- Multi-proxy management with individual control
- Modbus TCP proxy with high performance (~10k req/s)
- Embedded web interface (single binary)
- SQLite device tracking and connection history
- Real-time traffic logging via SSE
- Graceful shutdown with context management
- Configuration import/export
- Comprehensive logging system
- Circuit breaker pattern for fault tolerance
- Connection pooling with auto-recovery
- Exponential backoff retry logic
- Dead connection detection
- Request splitting for large reads
- Load balancing capabilities
- Alerting system
- Health monitoring
- Password hashing with bcrypt
- Session-based authentication
- XSS protection
- CSRF token validation
- Path traversal prevention
- SQL injection protection (parameterized queries)
- Rate limiting (global)
- Docker containerization
- Multi-platform builds (Linux, macOS, Windows, ARM)
- Makefile with standard targets
- Build scripts for automation
- Health check endpoints
- Prometheus metrics export
- RBAC Implementation - Role-based access control for granular permissions
- Audit Logging - Comprehensive security event tracking
- Modbus RTU Support - Serial protocol implementation
- TLS/HTTPS - Secure communications
- Integration Tests - Tests with mock Modbus devices
- Load Tests - Performance validation under load
- Configuration Validation - Comprehensive input validation
- Data Transformation - Register mapping, scaling, type conversion
- Complete RBAC implementation
- Add comprehensive configuration validation
- Implement database fallback mechanisms
- Expand input sanitization coverage
- Create integration test suite
- Complete audit logging
- Implement TLS/HTTPS
- Add Modbus RTU support
- Implement data transformation features
- Create security hardening guide
- Complete clustering support
- Implement LDAP integration
- Add request batching
- Create OpenAPI documentation
- Build CLI management tool
- Kubernetes operator
- Multi-tenancy support
- Distributed tracing
- Advanced analytics
- Plugin system
- Throughput: ~10,000 requests/second
- Latency: ~3-5ms (p99)
- Memory: ~10MB base usage
- Concurrent connections: ~1,000
- Throughput: ~50,000 requests/second
- Latency: <2ms (p99)
- Memory: <8MB base usage
- Concurrent connections: ~5,000
- Throughput: >1,000,000 requests/second
- Latency: <0.5ms (p99)
- Memory: <100MB @ scale
- Concurrent connections: >10,000
Total Go Files: 197
Test Files: 36
Coverage: ~18%
-
pkg/manager/: ~40% covered -
pkg/proxy/: ~25% covered -
pkg/api/: ~30% covered -
pkg/auth/: ~60% covered -
pkg/config/: ~50% covered -
pkg/database/: ~20% covered -
pkg/logger/: ~10% covered
- Minimum acceptable: 60%
- Good: 80%
- Excellent: 90%+
- ✅ Go 1.21+ - Current and supported
- ✅ Vue.js 3 - Latest stable
- ✅ PrimeVue - Current version
- ✅ SQLite - Embedded, no external dependency
- ✅ Docker - Multi-stage builds implemented
- ⚪ Redis - Planned for clustering
- ⚪ etcd - Planned for distributed configuration
- ⚪ LDAP libraries - To be integrated
- No RTU Support - Only TCP protocol currently supported
- Single Instance - No clustering/HA yet
- Limited Testing - Test coverage needs improvement
- Manual Scaling - No auto-scaling support
- Basic Auth - No RBAC or LDAP yet
- HTTP Only - No TLS/HTTPS by default
- No Data Transformation - Raw Modbus data only
- Manual Backup - No automated backup system
- RBAC implementation in progress
- TLS support being added
- RTU support under development
- Test suite expansion
- Initial stable release
- Core proxy functionality
- Web interface
- Basic authentication
- Device tracking
- Prometheus metrics
- Enhanced testing
- Security improvements (RBAC, TLS)
- RTU protocol support
- Performance optimizations
- Data transformation
- Advanced monitoring
- Clustering basics
- Improved UI/UX
- Full enterprise features
- Kubernetes operator
- Multi-tenancy
- 99.9% SLA
This document is maintained by the ModBridge development team and updated regularly to reflect the current state of the project.
For questions or to contribute, please see CONTRIBUTING.md or open an issue on GitHub.