A distributed enterprise-grade backup solution for MySQL databases built on .NET 8. The system provides a client-server architecture for managing large-scale database backups with advanced features like file chunking, resume capability, and comprehensive monitoring.
- Distributed Architecture: Separate client and server components for scalable backup operations
- Large File Support: Handles 100GB+ databases through intelligent file chunking and reassembly
- Resume Capability: Interrupted transfer recovery with checksum validation and token-based resumption
- Enterprise Security: Authentication, authorization, SSL/TLS encryption, and secure credential storage
- Comprehensive Monitoring: Detailed logging, progress reporting, alerting, and memory profiling
- Flexible Configuration: SQLite-based configuration management with retention policies and scheduling
- Multi-threading: Background operations with real-time progress tracking and timeout protection
- File Integrity: Checksum validation, compression, and encryption for all transfers
- Automated Management: Retention policies, backup scheduling, and startup validation
Windows Forms client application featuring:
- GUI Management: Complete backup configuration and monitoring interface
- MySQL Control: Start/stop MySQL services and instance management
- System Integration: System tray functionality with background operations
- Configuration Forms: Backup settings, scheduling, and retention policy management
- Real-time Monitoring: Progress tracking, log viewing, and transfer status
- Report Generation: Backup reports and operational analytics
Console server application with hosted services:
- File Reception: Multi-threaded file receiving with chunking support
- Storage Management: Organized file storage with directory structure
- Background Processing: Hosted services for continuous operation
- Transfer Logging: Detailed transfer progress and status tracking
- Security Layer: Authentication and authorization for client connections
Comprehensive shared library containing:
- 35+ Interfaces: Complete service abstractions for all components
- 20+ Models: Data models for configuration, logging, and operations
- 40+ Services: Full business logic implementations
- Repository Pattern: Entity Framework-based data access layer
- Advanced Features: Authentication, encryption, compression, and networking
- .NET 8.0: Primary framework for all components
- C# 12: Programming language with nullable reference types enabled
- Windows Forms: Client GUI framework (net8.0-windows target)
- Entity Framework Core 8.0: ORM for data access
- SQLite: Configuration and logging database
- MySQL Connector: MySql.Data 8.2.0 for database connections
- Microsoft.Extensions.Hosting 8.0.0: Background services and dependency injection
- Microsoft.Extensions.Logging 8.0.0: Structured logging framework
- Microsoft.Extensions.Http.Polly 8.0.0: HTTP resilience and retry policies
- Polly 8.2.0: Resilience patterns for fault handling
- MailKit 4.3.0: Email notifications and alerting
- System.ServiceProcess.ServiceController 8.0.0: Windows service management
- xUnit 2.9.3: Primary testing framework
- FsCheck 2.16.6: Property-based testing library
- Moq 4.20.70: Mocking framework for unit tests
- Microsoft.EntityFrameworkCore.InMemory 8.0.0: In-memory database for testing
┌─────────────────────┐ Network ┌─────────────────────┐
│ Backup Client │◄──────────────►│ File Receiver │
│ (Windows Forms) │ Transfer │ Server │
├─────────────────────┤ ├─────────────────────┤
│ • MySQL Manager │ │ • Chunk Manager │
│ • Compression │ │ • Storage Manager │
│ • Transfer Client │ │ • File Receiver │
│ • Authentication │ │ • Background Tasks │
│ • System Tray │ │ • Transfer Logging │
└─────────────────────┘ └─────────────────────┘
│ │
▼ ▼
┌─────────────────────┐ ┌─────────────────────┐
│ Client SQLite DB │ │ Server SQLite DB │
│ • Configurations │ │ • Transfer Logs │
│ • Backup Logs │ │ • Resume Tokens │
│ • Schedules │ │ • File Metadata │
│ • Retention Policies│ │ • Authentication │
└─────────────────────┘ └─────────────────────┘
- .NET 8.0 SDK
- Windows OS (for client application)
- MySQL Server (target for backup)
Build the entire solution:
dotnet build MySqlBackupTool.slnBuild for release:
dotnet build MySqlBackupTool.sln --configuration ReleaseRun the server:
dotnet run --project src/MySqlBackupTool.Server/MySqlBackupTool.Server.csprojRun the client:
dotnet run --project src/MySqlBackupTool.Client/MySqlBackupTool.Client.csprojRun tests:
dotnet test tests/MySqlBackupTool.Tests/MySqlBackupTool.Tests.csprojRun tests with coverage:
dotnet test tests/MySqlBackupTool.Tests/MySqlBackupTool.Tests.csproj --collect:"XPlat Code Coverage"MySqlBackupTool/
├── src/ # Source code
│ ├── MySqlBackupTool.Client/ # Windows Forms client application
│ │ ├── Forms/ # UI forms (Configuration, Monitoring, Logs, etc.)
│ │ ├── Tools/ # Utility classes and system integration
│ │ └── Properties/ # Application resources
│ ├── MySqlBackupTool.Server/ # Console server application
│ │ └── FileReceiverService.cs # Main file reception service
│ └── MySqlBackupTool.Shared/ # Shared library components
│ ├── Data/ # Entity Framework and repositories
│ ├── Interfaces/ # Service contracts (35+ interfaces)
│ ├── Models/ # Data models and DTOs (20+ models)
│ ├── Services/ # Business logic (40+ services)
│ └── DependencyInjection/ # Service registration
├── tests/ # Test projects
│ └── MySqlBackupTool.Tests/ # Comprehensive test suite
│ ├── Services/ # Service layer unit tests
│ ├── Integration/ # End-to-end integration tests
│ ├── Properties/ # Property-based tests (FsCheck)
│ └── Benchmarks/ # Performance benchmarks
├── docs/ # Documentation (English & Chinese)
├── examples/ # Code examples and samples
└── mardown/ # Implementation summaries and guides
- Multi-layered Security: Authentication, authorization, and audit trails
- Secure Credential Storage: Encrypted credential management
- SSL/TLS Support: Secure network communications
- Certificate Management: Client certificate validation
- Retry Policies: Configurable retry strategies with exponential backoff
- Timeout Protection: Comprehensive timeout handling for all operations
- Error Recovery: Automatic recovery from network interruptions
- Connection Management: Optimized connection pooling and lifecycle
- Memory Profiling: Built-in memory usage monitoring and optimization
- Benchmarking Suite: Performance testing for critical operations
- Optimized Transfers: Multiple file transfer implementations for different scenarios
- Compression Streaming: Efficient compression with timeout protection
- Startup Validation: Comprehensive system validation on startup
- Dependency Resolution: Automatic dependency checking and validation
- Background Services: Robust hosted service implementations
- Comprehensive Error Handling: Detailed error reporting and recovery
IMySQLManager- MySQL instance lifecycle managementIFileTransferClient- File transfer operations (multiple implementations)IFileReceiver- Server-side file reception and processingICompressionService- File compression/decompression with timeout protectionIEncryptionService- Data encryption/decryption
IRepository<T>- Generic repository patternIBackupConfigurationRepository- Backup configuration managementIBackupLogRepository- Operation logging and historyITransferLogRepository- Detailed transfer progress trackingIRetentionPolicyRepository- Backup retention management
ILoggingService- Enhanced logging capabilitiesINotificationService- Alerting and notificationsIMemoryProfiler- Performance monitoring and profilingIAuthenticationService- User authentication and securityIBackgroundTaskManager- Background service management
IBackupOrchestrator- Coordinated backup operationsIChunkManager- File chunking and reassemblyIChecksumService- File integrity validationIErrorRecoveryManager- Error handling and recoveryINetworkRetryService- Network resilience and retry logic
The project includes comprehensive testing with multiple approaches:
- Unit Tests: Service layer testing with mocking
- Integration Tests: End-to-end workflow testing
- Property-based Tests: FsCheck for testing invariants and edge cases
- Benchmarks: Performance testing for critical operations
- Dependency Injection Tests: Service registration validation
- Services: 40+ service implementations with comprehensive unit tests
- Models: Data model validation and serialization tests
- Repositories: Data access layer testing with in-memory databases
- Authentication: Security flow and error scenario testing
- Network Operations: File transfer and retry policy testing
Using FsCheck for testing critical algorithms:
- Compression round-trip properties
- File chunking and reassembly invariants
- Authentication token format validation
- Configuration persistence properties
- Network retry behavior validation
Comprehensive documentation is available in both English and Chinese:
- API Reference - Complete API documentation for all interfaces and services
- User Guide - Comprehensive user guide with setup instructions and best practices
- Configuration Examples - Practical configuration examples for various deployment scenarios
- Performance Benchmarking - Performance testing and optimization guide
- Getting Started - Initial setup and configuration
- Basic Operations - Running backups and managing schedules
- API Reference - Complete interface documentation
- Configuration Examples - Ready-to-use configuration templates
The examples/ directory contains practical code samples:
- MemoryProfilingExample.cs - Memory usage monitoring implementation
- StartupValidationExample.cs - System validation on application startup
- TransferLogManagementExample.cs - Transfer logging and management
- TransferLogViewerExample.cs - Log viewing and analysis
This project follows enterprise development practices:
- Clean Architecture: Clear separation of concerns with interface-based design
- Dependency Injection: Microsoft.Extensions.DependencyInjection throughout
- Async/Await: Consistent async patterns for I/O operations
- Structured Logging: Microsoft.Extensions.Logging with contextual information
- Comprehensive Testing: Unit, integration, and property-based testing
- Documentation: XML comments for all public APIs
- Interface-based Design: All services implement interfaces for testability
- Repository Pattern: Generic repository interfaces with Entity Framework implementations
- Background Services: Hosted services for long-running operations
- Resilience Patterns: Polly for retry policies, circuit breakers, and timeout handling
- Configuration Management: Options pattern with strongly-typed configuration classes
[License information to be added]