1. Overview
The MultiEventSink.cpp file implements event fan-out to multiple registered RootGuard sinks.
The file integrates the following components, APIs, or runtime concepts:
- MultiEventSink.hpp
- IEventSink
2. Adding Sinks
add() appends a non-owning reference to the internal vector in registration order.
3. Forwarding Events
onEvent() invokes every downstream sink with the same event. Each invocation is individually wrapped in try/catch (...).
4. Failure Isolation
An exception from console, JSON, automatic-response wrapping, or another custom sink does not stop delivery to remaining sinks and cannot escape to the RootGuard engine callback.
5. Runtime and Security Considerations
- Independent outputs: one faulty sink does not disable all event visibility.
- Lifetime is external: stored references require downstream sinks to remain alive.
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