- Add KeepAliveScheduler utility class for configurable periodic session pings
- Integrate keep-alive support in WebFlux, WebMVC, and HttpServlet SSE transport providers
- Add keepAliveInterval configuration option to all transport provider builders
- Deprecate existing constructors in favor of builder pattern with enhanced configuration
- Update graceful shutdown to properly clean up keep-alive schedulers
- Add unit tests for KeepAliveScheduler functionality
Implements MCP specification recommendations for connection health detection:
- Configurable ping frequency to suit different network environments
- Optional keep-alive (disabled by default) to avoid excessive network overhead
- Proper resource cleanup to prevent connection leaks
https://modelcontextprotocol.io/specification/2025-06-18/basic/utilities/ping#implementation-considerationsResolves: #414, #158
Replaces #353
Signed-off-by: Christian Tzolov <christian.tzolov@broadcom.com>
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