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Router Common Models and Abstractions Library

Module

Router

Status

IMPLEMENTED

Description

Core shared library defining frame types (REQUEST, RESPONSE, HELLO, HEARTBEAT, CANCEL, STREAM_DATA), transport abstractions (ITransportServer, ITransportClient), routing contracts (IGlobalRoutingState, IRoutingPlugin, IRegionProvider), and model types (EndpointDescriptor, InstanceDescriptor, ConnectionState, RoutingContext, RoutingDecision, PayloadLimits).

Implementation Details

  • Modules: src/Router/__Libraries/StellaOps.Router.Common/
  • Key Classes:
    • PathMatcher (src/Router/__Libraries/StellaOps.Router.Common/PathMatcher.cs) - path matching with wildcard and parameterized segment support
  • Interfaces: ITransportServer, ITransportClient, IGlobalRoutingState, IRoutingPlugin, IRegionProvider (all defined in Router.Common)
  • Models: EndpointDescriptor, InstanceDescriptor, ConnectionState, RoutingContext, RoutingDecision, PayloadLimits, frame types (REQUEST, RESPONSE, HELLO, HEARTBEAT, CANCEL, STREAM_DATA)
  • Source: batch_51/file_16.md

E2E Test Plan

  • Verify all frame types can be serialized and deserialized correctly
  • Verify PathMatcher handles exact, wildcard, and parameterized path matching
  • Verify EndpointDescriptor carries all required metadata (path, method, version, claims)
  • Verify RoutingContext and RoutingDecision models are populated correctly during routing
  • Verify PayloadLimits enforcement: send a payload exceeding limits and confirm rejection