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feat(obs): add shared diagnostics models

Add the observability vocabulary needed for phase-1 frame logging and client
status reporting. Runtime crates can now emit structured events without each
binary inventing separate field names for the same tunnel state.

The new models cover frame direction, action, drop reason, parsed Ethernet frame
logs, malformed frame logs, tunnel counters, relay/QUIC/TAP client diagnostics,
and user-facing diagnostic messages. TunnelStats now lives in lanparty-obs and
is re-exported by lanparty-ctrl so stats remain one shared type whether they are
logged locally or carried over the control stream.

This still does not add logging sinks or tracing integration; those should be
wired in when the relay, gateway, and client loops exist.

Test Plan:
- cargo fmt --check
- cargo test --workspace
- cargo clippy --workspace --all-targets -- -D warnings

Refs: PLAN.md Logging / diagnostics

2026-05-21 17:17:44 +02:00

1.4 KiB

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softlan-vpn

Monorepo for a Layer 2 over QUIC LAN party bridge.

Workspace crates

lanparty-proto: shared frame format, MAC validation, MTU helpers.
lanparty-ctrl: control-plane messages (join/hello/role/version).
lanparty-obs: shared diagnostics/logging event models.
lanparty-client-core: platform-agnostic client session state.
lanparty-client-win: Windows TAP + route/metric handling binary.
lanparty-gateway: Linux AF_PACKET gateway binary.
lanparty-relay: public QUIC relay binary.

`lanparty-proto`

Transport-agnostic tunnel contract shared by all binaries:

overlay datagram header encoding and decoding
Ethernet frame header parsing
MAC address parsing and identity validation
QUIC datagram to TAP MTU budget helpers

`lanparty-ctrl`

Reliable control-plane schema shared by the QUIC stream handlers:

endpoint hello messages with role, room, MAC, and datagram budget
server welcome, reject, peer lifecycle, stats, and disconnect messages
room-code, role/MAC, peer-id, and effective-MTU validation

`lanparty-obs`

Shared diagnostics and structured logging vocabulary:

gateway/relay frame logs with MACs, ethertype, length, peer, and action
tunnel counters shared by control messages and runtime diagnostics
client connectivity/TAP diagnostics and user-facing status messages

Build

cargo check --workspace

1.4 KiB Raw Blame History