4 commits

Author	SHA1	Message	Date
Jeena	13acdd9bcb	Mark graceful config validation as completed in BACKLOG.md	2026-01-16 22:22:03 +00:00
Jeena	6c6d4bc613	Update BACKLOG.md - all items completed	2026-01-16 11:48:17 +00:00
Jeena	33ae576b25	Implement rate limiting with 41 responses and comprehensive logging ... - Add concurrent connection handling with tokio::spawn for proper rate limiting - Send '41 Server unavailable' responses instead of dropping connections - Move request logger initialization earlier to enable rate limiting logs - Add logging for rate limited requests: 'Concurrent request limit exceeded' - Fix clippy warnings: needless borrows and match simplification - Update test script analysis to expect 41 responses for rate limiting	2026-01-16 06:00:18 +00:00
Jeena	0468781a69	Add configurable global concurrent request limiting ... - Add max_concurrent_requests config option (default: 1000) - Implement global AtomicUsize counter for concurrent request tracking - Return status 41 'Server unavailable' when limit exceeded - Proper counter management with decrements on all exit paths - Add comprehensive config validation (1-1,000,000 range) - Update documentation with rate limiting details - Add unit tests for config parsing - Thread-safe implementation using Ordering::Relaxed This provides effective DDoS protection by limiting concurrent connections to prevent server overload while maintaining configurability for different deployment scenarios.	2026-01-16 02:26:59 +00:00