Files
link/README.md
Claude 6138ba8c65 chore: add open-source governance files (GPLv3 + contributing docs)
Add standard open-source project files:
- LICENSE.md — GNU GPL v3.0 or later (verbatim)
- CONTRIBUTING.md — setup, workflow, and required AI-usage disclosure
- CONTRIBUTORS.md — maintainers, contributors, AI-assistance policy
- CODE_OF_CONDUCT.md — Contributor Covenant 2.1
- SECURITY.md — private vulnerability reporting
- .gitea/ISSUE_TEMPLATE/* + PULL_REQUEST_TEMPLATE.md
- README: License section (Copyright (C) 2026 Runic Gateway)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XmHdsbnLzDMAVQkAoTQSBe
2026-07-18 19:10:58 -05:00

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3.7 KiB
Markdown

# uo-link — Rust sidecar
The **Rust sidecar** half of the Runic Gateway bridge. The ServUO shard dials out to this sidecar
over a loopback TCP socket (newline-delimited JSON); the sidecar owns the WebSocket + REST API the
website consumes, along with auth, buffering, and fan-out.
```
ServUO plugin (C#, net48) ──loopback TCP, newline-JSON──► Rust sidecar ──WebSocket/JSON──► website
(RunicGateway/servuo-plugins) >>> THIS REPO <<<
```
The shard never speaks WebSocket and exposes no port of its own — the sidecar is the only
network-facing component, which is what keeps the game unreachable from the internet.
## Related repos
| Repo | What |
|------|------|
| **this**`RunicGateway/link` | The Rust sidecar (`sidecar/`). |
| [RunicGateway/servuo-plugins](https://gitea.whitlocktech.com/RunicGateway/servuo-plugins) | The **C# ServUO plugin** — the shard side of the bridge (`overlay/`, `patches/`, `deploy.ps1`, test scaffolding). |
| [RunicGateway/docs](https://gitea.whitlocktech.com/RunicGateway/docs) | All project documentation — design docs, protocol spec, integration guide, research. |
## Layout
| Path | What |
|------|------|
| `sidecar/` | The Rust sidecar crate — terminates the loopback link to the shard, exposes WS + REST to the website. See [`sidecar/README.md`](sidecar/README.md). |
| `.gitea/workflows/release.yml` | Builds + releases the sidecar binary (Linux + Windows) on every merge to `main`. |
## Build & run
The sidecar is a standard cargo crate:
```bash
cd sidecar
cargo build --release # binary at target/release/uo-link-sidecar
cp sidecar.toml.example sidecar.toml # then edit
cargo run --release
```
`.gitea/workflows/release.yml` cross-compiles Linux + Windows binaries and cuts a Gitea release on
every merge to `main` (conventional-commit versioning). See [`sidecar/README.md`](sidecar/README.md)
for configuration and the wire protocol.
## Deployment & compatibility
The plugin ([RunicGateway/servuo-plugins](https://gitea.whitlocktech.com/RunicGateway/servuo-plugins))
and this sidecar are deployed **together** but built **independently**:
- The **plugin** is deployed as source into the ServUO server root and compiled by ServUO at boot —
no build artifact, no CI build.
- The **sidecar** is a standalone Rust binary released from this repo.
The only coupling is the **loopback JSON protocol** (the shard dials `127.0.0.1`). Compatibility is a
protocol concern, not a build-order one — keep the event/command catalog in sync across the two
repos. Canonical spec:
[PLAN.md](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/PLAN.md) §5/§7 and
[INTEGRATION.md](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/INTEGRATION.md).
Because a wedged or absent sidecar cannot stall the shard, either side can be deployed or restarted
independently.
---
## License
Runic Gateway is free software, licensed under the **GNU General Public License
v3.0 or later** — see [LICENSE.md](LICENSE.md).
Copyright (C) 2026 Runic Gateway
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version. It is distributed WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Contributions are welcome — please read [CONTRIBUTING.md](CONTRIBUTING.md) (note
the **AI-usage disclosure** requirement) and our
[Code of Conduct](CODE_OF_CONDUCT.md). Report vulnerabilities privately per
[SECURITY.md](SECURITY.md).