Johnathan Corgan 930f139787 Split cache.rs and config.rs into directory modules, create utils/
Module reorganization for three large single-file modules:

cache.rs (792 lines) split into cache/ directory:
- cache/mod.rs: CacheError, CacheStats, re-exports
- cache/entry.rs: CacheEntry with TTL/LRU tracking
- cache/coord_cache.rs: CoordCache (address-to-coordinate mappings)
- cache/route_cache.rs: RouteCache + CachedCoords (discovery routes)
- Added 22 new tests filling coverage gaps across all submodules

config.rs (1318 lines) split into config/ directory:
- config/mod.rs: ConfigError, IdentityConfig, Config struct with file
  loading/merge logic, all 24 integration tests
- config/node.rs: NodeConfig + 9 subsection structs (Limits, RateLimit,
  Retry, Cache, Discovery, Tree, Bloom, Session, Buffers)
- config/transport.rs: TransportInstances<T>, TransportsConfig, UdpConfig
- config/peer.rs: ConnectPolicy, PeerAddress, PeerConfig

DnsConfig and TunConfig moved to upper/config.rs to co-locate with the
upper layer components they configure (TUN interface, DNS responder).

index.rs moved to utils/index.rs as cross-cutting infrastructure that
serves both node and peer layers.
2026-02-15 17:56:32 +00:00

FIPS Documentation

Directory Description
design/ Protocol design specifications and analysis
Description
The Free Internetworking Peering System
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