This comprehensive session management system tracks and automatically cleans up resources associated with user sessions, preventing resource exhaustion and disk space issues.
Key features:
- Automatic tracking of all session resources (audio files, temp files, streams)
- Per-session resource limits (100 files max, 100MB storage max)
- Automatic cleanup of idle sessions (15 minutes) and expired sessions (1 hour)
- Background cleanup thread runs every minute
- Real-time monitoring via admin endpoints
- CLI commands for manual management
- Integration with Flask request lifecycle
Implementation details:
- SessionManager class manages lifecycle of UserSession objects
- Each session tracks resources with metadata (type, size, creation time)
- Automatic resource eviction when limits are reached (LRU policy)
- Orphaned file detection and cleanup
- Thread-safe operations with proper locking
- Comprehensive metrics and statistics export
- Admin API endpoints for monitoring and control
Security considerations:
- Sessions tied to IP address and user agent
- Admin endpoints require authentication
- Secure file path handling
- Resource limits prevent DoS attacks
This addresses the critical issue of temporary file accumulation that could lead to disk exhaustion in production environments.
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Co-Authored-By: Claude <noreply@anthropic.com>