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hackathon/docs/tracking/IMPLEMENTATION_PROGRESS.md
Christoph Wagner a489c15cf5 feat: Add complete HSP implementation with integration tests passing 
Initial implementation of HTTP Sender Plugin following TDD methodology
  with hexagonal architecture. All 313 tests passing (0 failures).

  This commit adds:
  - Complete domain model and port interfaces
  - All adapter implementations (HTTP, gRPC, file logging, config)
  - Application services (data collection, transmission, backpressure)
  - Comprehensive test suite with 18 integration tests

  Test fixes applied during implementation:
  - Fix base64 encoding validation in DataCollectionServiceIntegrationTest
  - Fix exception type handling in IConfigurationPortTest
  - Fix CompletionException unwrapping in IHttpPollingPortTest
  - Fix sequential batching in DataTransmissionServiceIntegrationTest
  - Add test adapter failure simulation for reconnection tests
  - Use adapter counters for gRPC verification

  Files added:
  - pom.xml with all dependencies (JUnit 5, Mockito, WireMock, gRPC, Jackson)
  - src/main/java: Domain model, ports, adapters, application services
  - src/test/java: Unit tests, integration tests, test utilities
2025-11-20 22:38:55 +01:00

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# HSP Implementation Progress Tracker
**Project**: HTTP Sender Plugin (HSP)
**Version**: 1.0
**Last Updated**: 2025-11-20
**Total Requirements**: 62
---
## Executive Summary
| Metric | Value | Target |
|--------|-------|--------|
| **Requirements Completed** | 0/62 | 62 |
| **Overall Progress** | 0% | 100% |
| **Test Coverage** | 0% | 95% line, 90% branch |
| **Current Phase** | Phase 1 - Foundation | Phase 5 Complete |
| **Sprint** | Sprint 1 (Weeks 1-2) | Sprint 6 |
| **On Schedule** | ✅ Yes | - |
| **Quality Gate** | 🟡 Pending | ✅ Pass All |
---
## Phase Progress Overview
| Phase | Duration | Progress | Status | Start Date | End Date |
|-------|----------|----------|--------|------------|----------|
| **Phase 0: Planning** | 1 week | 100% | ✅ Complete | 2025-11-19 | 2025-11-19 |
| **Phase 1: Foundation & Quick Wins** | 2 weeks | 0% | 🎯 In Progress | TBD | TBD |
| **Phase 2: Core Services** | 2 weeks | 0% | ⏳ Pending | TBD | TBD |
| **Phase 3: Adapters** | 3 weeks | 0% | ⏳ Pending | TBD | TBD |
| **Phase 4: Testing & Validation** | 1 week | 0% | ⏳ Pending | TBD | TBD |
| **Phase 5: Integration & Deployment** | 2 weeks | 0% | ⏳ Pending | TBD | TBD |
---
## Requirements Status by Category
### Functional Requirements (33)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-FR-1 | Startup sequence | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-2 | Load configuration on startup | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-3 | Validate configuration | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-4 | Establish gRPC stream on startup | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-5 | gRPC retry logic (5s intervals) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-6 | Wait for gRPC before HTTP polling | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-7 | Start HTTP polling after gRPC ready | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-8 | Start health check server | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-9 | Load hsp-config.json from cwd | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-10 | Validate all configuration parameters | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-11 | Log validation errors | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-12 | Terminate on invalid config (exit 1) | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-13 | Configuration value validation rules | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-14 | Poll configured HTTP endpoints | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-15 | Virtual thread pool for polling | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-16 | Configurable polling intervals | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-FR-17 | HTTP request retry (3x, 5s intervals) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-18 | Linear backoff (5s to 300s) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-19 | Log HTTP errors | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-20 | HTTP request timeout (30s) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-21 | Response size limit (1MB) | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-22 | DiagnosticData structure | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-FR-23 | JSON serialization with Base64 | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-FR-24 | Store data in buffer | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-25 | Single consumer thread for transmission | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-26 | Circular buffer (300 capacity) | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-27 | FIFO overflow (discard oldest) | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-28 | Batch accumulation (4MB or 1s limit) | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-FR-29 | gRPC bidirectional stream | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-30 | receiver_id = 99 | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-31 | Maintain stream connection | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-32 | Reconnect on stream failure (5s) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-FR-33 | Log transmission errors | ⏳ Not Started | - | 0% | Phase 3 | - |
### Non-Functional Requirements (8)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-NFR-1 | Support 1000 concurrent endpoints | ⏳ Not Started | - | 0% | Phase 4 | - |
| Req-NFR-2 | Memory usage < 4096MB | ⏳ Not Started | - | 0% | Phase 4 | - |
| Req-NFR-3 | 90% uptime | ⏳ Not Started | - | 0% | Phase 4 | - |
| Req-NFR-4 | Java 25 with virtual threads | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-NFR-5 | No external dependencies (embedded) | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-NFR-6 | Configuration via JSON file | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-NFR-7 | Health check endpoint (localhost:8080) | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-NFR-8 | Health check response format (6 fields) | ⏳ Not Started | - | 0% | Phase 3 | - |
### Architectural Requirements (8)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-Arch-1 | Hexagonal architecture | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Arch-2 | Primary ports (3): Config, Health, Lifecycle | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Arch-3 | Secondary ports (5): HTTP, gRPC, Logging, Buffer | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Arch-4 | Port-Adapter pattern | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Arch-5 | Dependency injection for ports | ⏳ Not Started | - | 0% | Phase 3 | - |
| Req-Arch-6 | Virtual thread pools | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-Arch-7 | Thread-safe buffer access | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-Arch-8 | Atomic statistics tracking | ⏳ Not Started | - | 0% | Phase 2 | - |
### Testing Requirements (4)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-Test-1 | Unit tests with mocks (Mockito) | ⏳ Not Started | - | 0% | Phase 1-3 | - |
| Req-Test-2 | Integration tests (WireMock, gRPC) | ⏳ Not Started | - | 0% | Phase 4 | - |
| Req-Test-3 | 95% line, 90% branch coverage | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Test-4 | Performance/stress tests | ⏳ Not Started | - | 0% | Phase 4 | - |
### Normative Requirements (6)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-Norm-1 | ISO-9001 compliance | ⏳ Not Started | - | 0% | Phase 4 | - |
| Req-Norm-2 | EN 50716 compliance (95% coverage) | ⏳ Not Started | - | 0% | Phase 1 | - |
| Req-Norm-3 | Audit logging | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-Norm-4 | Error detection/logging | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-Norm-5 | Quality metrics tracking | ⏳ Not Started | - | 0% | Phase 2 | - |
| Req-Norm-6 | Requirements traceability | ⏳ Not Started | - | 0% | Phase 1 | - |
### User Stories (3)
| Req ID | Description | Status | Assigned | Test Coverage | Phase | Completion Date |
|--------|-------------|--------|----------|---------------|-------|-----------------|
| Req-US-1 | Collector user: start service and collect data | ⏳ Not Started | - | 0% | Phase 5 | - |
| Req-US-2 | Operator: monitor health and status | ⏳ Not Started | - | 0% | Phase 5 | - |
| Req-US-3 | DevOps: deploy and configure service | ⏳ Not Started | - | 0% | Phase 5 | - |
---
## Component Implementation Status
### Domain Layer (Phase 1)
| Component | File | Requirements | Status | Test Coverage | Assigned | Completion |
|-----------|------|--------------|--------|---------------|----------|------------|
| DiagnosticData | DiagnosticData.java | FR-22, FR-23 | ⏳ Not Started | 0% | - | - |
| Configuration | Configuration.java | FR-9, FR-10 | ⏳ Not Started | 0% | - | - |
| HealthCheckResponse | HealthCheckResponse.java | NFR-7, NFR-8 | ⏳ Not Started | 0% | - | - |
| BufferStatistics | BufferStatistics.java | NFR-8, Arch-8 | ⏳ Not Started | 0% | - | - |
### Port Interfaces (Phase 1)
| Component | File | Requirements | Status | Test Coverage | Assigned | Completion |
|-----------|------|--------------|--------|---------------|----------|------------|
| IConfigurationPort | IConfigurationPort.java | FR-9, FR-10 | ⏳ Not Started | 0% | - | - |
| IHealthCheckPort | IHealthCheckPort.java | NFR-7, NFR-8 | ⏳ Not Started | 0% | - | - |
| ILifecyclePort | ILifecyclePort.java | FR-1 to FR-8 | ⏳ Not Started | 0% | - | - |
| IHttpPollingPort | IHttpPollingPort.java | FR-14 to FR-21 | ⏳ Not Started | 0% | - | - |
| IGrpcStreamPort | IGrpcStreamPort.java | FR-28 to FR-33 | ⏳ Not Started | 0% | - | - |
| ILoggingPort | ILoggingPort.java | FR-11, FR-19 | ⏳ Not Started | 0% | - | - |
| IBufferPort | IBufferPort.java | FR-26, FR-27 | ⏳ Not Started | 0% | - | - |
### Core Services (Phase 2)
| Component | File | Requirements | Status | Test Coverage | Assigned | Completion |
|-----------|------|--------------|--------|---------------|----------|------------|
| ConfigurationManager | ConfigurationManager.java | FR-9 to FR-13 | ⏳ Not Started | 0% | - | - |
| BufferManager | BufferManager.java | FR-26, FR-27 | ⏳ Not Started | 0% | - | - |
| CollectionStatistics | CollectionStatistics.java | NFR-8, Arch-8 | ⏳ Not Started | 0% | - | - |
| DataCollectionService | DataCollectionService.java | FR-14 to FR-24 | ⏳ Not Started | 0% | - | - |
| DataTransmissionService | DataTransmissionService.java | FR-25, FR-28 to FR-33 | ⏳ Not Started | 0% | - | - |
### Adapters (Phase 3)
| Component | File | Requirements | Status | Test Coverage | Assigned | Completion |
|-----------|------|--------------|--------|---------------|----------|------------|
| HttpPollingAdapter | HttpPollingAdapter.java | FR-14 to FR-21 | ⏳ Not Started | 0% | - | - |
| GrpcStreamAdapter | GrpcStreamAdapter.java | FR-28 to FR-33 | ⏳ Not Started | 0% | - | - |
| FileLoggingAdapter | FileLoggingAdapter.java | Arch-3, Arch-4 | ⏳ Not Started | 0% | - | - |
| ConfigurationFileAdapter | ConfigurationFileAdapter.java | FR-9, FR-10 | ⏳ Not Started | 0% | - | - |
| HealthCheckController | HealthCheckController.java | NFR-7, NFR-8 | ⏳ Not Started | 0% | - | - |
| HspApplication | HspApplication.java | FR-1 to FR-8 | ⏳ Not Started | 0% | - | - |
### Enhancements (Phase 1)
| Component | File | Requirements | Status | Test Coverage | Assigned | Completion |
|-----------|------|--------------|--------|---------------|----------|------------|
| RateLimitedHttpPollingAdapter | RateLimitedHttpPollingAdapter.java | FR-16 (enhanced) | ⏳ Not Started | 0% | - | - |
| ExponentialBackoffAdapter | ExponentialBackoffAdapter.java | FR-18 (enhanced) | ⏳ Not Started | 0% | - | - |
| BackpressureController | BackpressureController.java | FR-26, FR-27 (enhanced) | ⏳ Not Started | 0% | - | - |
---
## Sprint Status
### Sprint 1: Foundation & Quick Wins (Weeks 1-2)
**Status**: 🎯 Ready to Start
**Story Points**: 38
**Completed**: 0
**Velocity**: 0
| User Story | Story Points | Status | Assignee | Progress |
|------------|--------------|--------|----------|----------|
| US-1.1: Implement rate limiting | 3 | ⏳ Not Started | - | 0% |
| US-1.2: Implement backpressure | 5 | ⏳ Not Started | - | 0% |
| US-1.3: Achieve 95%/90% test coverage | 8 | ⏳ Not Started | - | 0% |
| US-1.4: Set up Maven project | 3 | ⏳ Not Started | - | 0% |
| US-1.5: Define all port interfaces | 8 | ⏳ Not Started | - | 0% |
| US-1.6: Implement domain models | 5 | ⏳ Not Started | - | 0% |
| US-1.7: TDD training workshop | 3 | ⏳ Not Started | - | 0% |
| US-1.8: Environment setup | 3 | ⏳ Not Started | - | 0% |
### Sprint 2: Core Services (Weeks 3-4)
**Status**: ⏳ Pending
**Story Points**: 42
**Completed**: 0
| User Story | Story Points | Status | Assignee | Progress |
|------------|--------------|--------|----------|----------|
| US-2.1: Implement ConfigurationManager | 8 | ⏳ Pending | - | 0% |
| US-2.2: Implement BufferManager | 8 | ⏳ Pending | - | 0% |
| US-2.3: Implement CollectionStatistics | 3 | ⏳ Pending | - | 0% |
| US-2.4: Implement DataCollectionService | 13 | ⏳ Pending | - | 0% |
| US-2.5: Implement DataTransmissionService | 13 | ⏳ Pending | - | 0% |
### Sprint 3: Secondary Adapters (Weeks 5-6)
**Status**: ⏳ Pending
**Story Points**: 40
### Sprint 4: Primary Adapters & Application (Week 7)
**Status**: ⏳ Pending
**Story Points**: 35
### Sprint 5: Testing (Week 8)
**Status**: ⏳ Pending
**Story Points**: 42
### Sprint 6: Integration & Deployment (Weeks 9-10)
**Status**: ⏳ Pending
**Story Points**: 35
---
## Quality Metrics
### Test Coverage by Phase
| Phase | Line Coverage | Branch Coverage | Target | Status |
|-------|---------------|-----------------|--------|--------|
| Phase 1 | 0% | 0% | 95%/90% | ⏳ Pending |
| Phase 2 | 0% | 0% | 95%/90% | ⏳ Pending |
| Phase 3 | 0% | 0% | 95%/90% | ⏳ Pending |
| Phase 4 | 0% | 0% | 95%/90% | ⏳ Pending |
| Overall | 0% | 0% | 95%/90% | ⏳ Pending |
### Test Coverage by Package
| Package | Line Coverage | Branch Coverage | Test Count | Status |
|---------|---------------|-----------------|------------|--------|
| domain | 0% | 0% | 0 | ⏳ Not Started |
| port | 0% | 0% | 0 | ⏳ Not Started |
| application | 0% | 0% | 0 | ⏳ Not Started |
| adapter.inbound | 0% | 0% | 0 | ⏳ Not Started |
| adapter.outbound | 0% | 0% | 0 | ⏳ Not Started |
### Code Quality Metrics
| Metric | Current | Target | Status |
|--------|---------|--------|--------|
| Critical Bugs | 0 | 0 | ✅ Pass |
| Code Smells | 0 | < 50 | ✅ Pass |
| Technical Debt | 0 days | < 5 days | ✅ Pass |
| Cyclomatic Complexity | N/A | < 15 | ⏳ Pending |
| Duplication | 0% | < 3% | ✅ Pass |
---
## Risk & Issue Tracking
### Active Risks
| Risk ID | Description | Probability | Impact | Mitigation | Owner | Status |
|---------|-------------|-------------|--------|------------|-------|--------|
| R-1 | gRPC integration complexity | Medium | High | Early prototype, expert on team | Tech Lead | 🟡 Open |
| R-2 | Virtual thread debugging | Medium | Medium | Java 25 LTS, thorough logging | Senior Dev | 🟡 Open |
| R-3 | Test coverage not achieved | Medium | High | Allocate time, start early | QA Lead | 🟡 Open |
| R-4 | Performance requirements not met | Low | High | Early benchmarking, profiling | Perf Engineer | 🟡 Open |
### Open Issues
| Issue ID | Description | Severity | Status | Assigned | Created | Updated |
|----------|-------------|----------|--------|----------|---------|---------|
| - | No issues yet | - | - | - | - | - |
---
## Blockers & Dependencies
### Current Blockers
| Blocker ID | Description | Impact | Blocking | Owner | Created | Status |
|------------|-------------|--------|----------|-------|---------|--------|
| - | No blockers | - | - | - | - | - |
### Critical Dependencies
| Dependency | Required By | Status | Notes |
|------------|-------------|--------|-------|
| JDK 25 installation | All phases | ⏳ Pending | Team environment setup |
| Gitea repository access | All phases | ⏳ Pending | CI/CD setup |
| Maven project structure | Phase 1+ | ⏳ Pending | US-1.4 |
| Port interfaces | Phase 2+ | ⏳ Pending | US-1.5 |
| Domain models | Phase 2+ | ⏳ Pending | US-1.6 |
---
## TDD Compliance Tracking
### TDD Workflow Adherence
| Metric | Current | Target | Status |
|--------|---------|--------|--------|
| Tests Before Code Commits | N/A | 100% | ⏳ Pending |
| Test-to-Code Commit Ratio | 0:0 | ~1:1 | ⏳ Pending |
| RED-GREEN-REFACTOR Cycles | 0 | Per feature | ⏳ Pending |
| TDD Violations | 0 | 0 | ✅ Pass |
### TDD Training Status
| Team Member | Role | Training Complete | TDD Practice | Status |
|-------------|------|-------------------|--------------|--------|
| - | - | ❌ Pending | ❌ Pending | ⏳ Not Started |
---
## Milestone Tracking
| Milestone | Target Date | Status | Progress | Completion Date |
|-----------|-------------|--------|----------|-----------------|
| **M0: Planning Complete** | 2025-11-19 | ✅ Complete | 100% | 2025-11-19 |
| **M1: Foundation Complete** | Week 2 | ⏳ Pending | 0% | - |
| **M2: Core Services Complete** | Week 4 | ⏳ Pending | 0% | - |
| **M3: Adapters Complete** | Week 7 | ⏳ Pending | 0% | - |
| **M4: Testing Complete** | Week 8 | ⏳ Pending | 0% | - |
| **M5: Production Ready** | Week 10 | ⏳ Pending | 0% | - |
---
## Next Actions
### Immediate (This Week)
1. [ ] Team kickoff meeting
2. [ ] TDD training workshop (4 hours)
3. [ ] Environment setup (JDK 25, Maven, IDE)
4. [ ] Gitea repository access
5. [ ] Document review (SRS, Architecture)
6. [ ] Sprint 1 planning
### Upcoming (Next Week)
1. [ ] Start US-1.1: Rate limiting (TDD)
2. [ ] Start US-1.2: Backpressure (TDD)
3. [ ] Start US-1.4: Maven project setup
4. [ ] Start US-1.5: Port interfaces
5. [ ] Daily TDD pair programming sessions
---
## Status Legend
- ✅ **Complete**: Requirement fully implemented and tested
- 🟢 **In Progress**: Active development
- 🟡 **Blocked**: Waiting on dependencies or resolution
- ⏳ **Pending**: Not started yet
- 🔴 **At Risk**: Behind schedule or has issues
- ❌ **Failed**: Did not meet acceptance criteria
---
## Notes
- All progress updates should be made daily
- Test coverage is updated automatically from CI/CD
- Sprint burndown charts available in Jira/Gitea
- TDD compliance is mandatory and tracked in code reviews
- Weekly status reports sent every Friday
**Last Manual Update**: 2025-11-20
**Next Update Due**: Daily (automated via CI/CD)
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