ocppsim 0.1.0

A terminal OCPP-J charge point simulator.
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# ocppsim

`ocppsim` is a terminal OCPP-J (Open Charge Point Protocol JSON) charge point
simulator written in Rust.
It connects to a CSMS over WebSocket, negotiates an OCPP subprotocol, and lets
an operator drive common charge point workflows from an interactive terminal UI.

The simulator is focused on practical protocol development and CSMS testing.
It keeps local connector, transaction, meter, reservation, charging profile, and
configuration state, then emits protocol-shaped OCPP messages from that state.

## Documentation

Documentation on design, protocol support, usage, and more is available in the
[`docs`](docs/README.md) directory.

## Quick Start

Download prebuilt binaries for Linux, macOS, and Windows from `ocppsim`'s
[latest GitHub release](https://github.com/ZhongRuoyu/ocppsim/releases/latest),
or install it with Cargo:

```sh
cargo install ocppsim
```

Then, run directly against a CSMS endpoint:

```sh
ocppsim --ws-url ws://csms.example.com/ocpp --cp-id CP-001
```

Or use a named profile from a [TOML config file](docs/usage.md#configuration)
in `~/.config/ocppsim/ocppsim.toml` or a custom path:

```sh
ocppsim some-profile
ocppsim some-profile --config-path ./ocppsim.toml
```

Docker images are also available on Docker Hub as
[`zhongruoyu/ocppsim`](https://hub.docker.com/r/zhongruoyu/ocppsim),
and on GitHub Container Registry as
[`ghcr.io/zhongruoyu/ocppsim`](https://ghcr.io/zhongruoyu/ocppsim).
Use the `latest` tag or a specific version tag like `v0.1.0` to track stable
releases, and `main` to track the latest commit on the main branch.
You can run the simulator with a mounted config file like:

```sh
docker run --rm -it \
  -v "$PWD/ocppsim.toml:/config/ocppsim.toml:ro" \
  zhongruoyu/ocppsim some-profile --config-path /config/ocppsim.toml
```

Run `ocppsim --help` for more CLI options.
Inside the terminal UI, type `help` to see available simulator commands.
See [documentation](docs/usage.md) for more details on usage.

## Protocol Scope

OCPP 1.6 base JSON schemas are the primary complete target.
The OCPP 1.6 Security Whitepaper extension is intentionally out of scope for
now and is reported as unsupported when recognized.

OCPP 2.0.1 and OCPP 2.1 support the feature subset that maps to already
implemented OCPP 1.6 behavior, plus `GetVariables` and `SetVariables` for the
configuration-equivalent device model surface.
Other 2.x actions are explicitly treated as unsupported until they are
implemented and tested.

Schema validation tests use files under [`schemas`](schemas/README.md) as the
source of truth.

## License

This project is licensed under the MIT License.
See [LICENSE](LICENSE) for details.