iec104-python

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A Python module to simulate SCADA and RTU communication over protocol 60870-5-104 to research ICT behavior in power grids.

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# iec104-python

__Table of contents__
1. [Introduction](#introduction)
2. [Licensing](#licensing)
3. [System requirements](#system-requirements)
4. [Installation](#installation)
5. [Documentation](#documentation)
6. [Contribution](#contribution)

---

## Introduction

This software provides an object-oriented high-level python module to simulate scada systems and remote terminal units communicating via 60870-5-104 protocol.

The python module c104 combines the use of lib60870-C with state structures and python callback handlers.

**Example remote terminal unit**

```python
import c104

# server and station preparation
server = c104.Server(ip="0.0.0.0", port=2404)

# add local station and points
station = server.add_station(common_address=47)
measurement_point = station.add_point(io_address=11, type=c104.Type.M_ME_NC_1, report_ms=5000)
command_point = station.add_point(io_address=12, type=c104.Type.C_RC_TA_1)

server.start()
```

**Example scada unit**

```python
import c104

client = c104.Client()

# add RTU with station and points
connection = client.add_connection(ip="127.0.0.1", port=2404, init=c104.Init.INTERROGATION)
station = connection.add_station(common_address=47)
measurement_point = station.add_point(io_address=11, type=c104.Type.M_ME_NC_1)
command_point = station.add_point(io_address=12, type=c104.Type.C_RC_TA_1)

client.start()
```

See [examples](https://github.com/Fraunhofer-FIT-DIEN/iec104-python/tree/main/examples) folder for more detailed examples.

## Licensing

This software is licensed under the GPLv3 (https://www.gnu.org/licenses/gpl-3.0.en.html).

See [LICENSE](https://github.com/Fraunhofer-FIT-DIEN/iec104-python/blob/main/LICENSE) file for the complete license text.

### Dependencies

#### lib60870-C

This project is build on top of lib60870-C v2 from MZ Automation GmbH, which is licensed under [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html).

The library is used for 60870-5-104 protocol based communication.

[&raquo; Source code](https://github.com/mz-automation/lib60870)

[&raquo; Documentation](https://support.mz-automation.de/doc/lib60870/latest/index.html)

#### mbedtls

This project is build on top of mbedtls from the Mbed TLS Contributors, which is licensed under [Apache-2.0](http://www.apache.org/licenses/LICENSE-2.0).

The library is used to add transport layer security to the 60870-5-104 protocol based communication.

[&raquo; Source code](https://github.com/Mbed-TLS/mbedtls)

[&raquo; Documentation](https://www.trustedfirmware.org/projects/mbed-tls/)

#### pybind11

This project is build on top of pybind11 from Wenzel Jakob, which is licensed under a [BSD-style license](https://github.com/pybind/pybind11/blob/master/LICENSE).

The library is used to wrap c++ code into a python module and allow seamless operability between python and c++.

[&raquo; Source code](https://github.com/pybind/pybind11)

[&raquo; Documentation](https://pybind11.readthedocs.io/en/stable/)

#### catch2

This project is build on top of catch2 from the Catch2 Authors, which is licensed under [BSL-1.0](https://www.boost.org/users/license.html).

The library is used as testing framework for test-automation.

[&raquo; Source code](https://github.com/catchorg/Catch2)

[&raquo; Documentation](https://github.com/catchorg/Catch2/blob/devel/docs/Readme.md)

## System requirements

### Operating systems

* Manylinux (x86_64): YES
* Manylinux (aarch64): YES
* Raspbian (armv7l): YES
* Windows (x64): YES

### Python versions
* python >= 3.7, < 3.13

## Installation
Please adjust the version number to the latest version or use a specific version according to your needs.

### Install from pypi.org
```bash
python3 -m pip install c104
```

### Install from git with tag
```bash
python3 -m pip install c104@git+https://github.com/fraunhofer-fit-dien/iec104-python.git
```

You need the build requirements, listed under "How to build".

## Documentation

Read more about the **Classes** and their **Properties** in our [read the docs documentation](https://iec104-python.readthedocs.io/latest/index.html).

## Contribution

### How to contribute

1. Add feature requests and report bugs using GitHub's issues

1. Create pull requests

### How to build (linux)

1. Install dependencies
   ```bash
   sudo apt-get install build-essential python3-pip python3-dev python3-dbg
   python3 -m pip install --upgrade pip
   ```

1. Clone repository
   ```bash
   git clone --depth=1 --branch=main https://github.com/Fraunhofer-FIT-DIEN/iec104-python.git
   cd iec104-python
   git submodule update --init
   ```

1. Build wheel
   ```bash
   python3 -m pip wheel .
   ```

### How to build for multiple python versions (linux with docker)

1. Build wheels via docker (linux)
   ```bash
   /bin/bash ./bin/linux-build.sh
   ```

### How to analyze performance (linux)

1. Install dependencies
   ```bash
   sudo apt-get install google-perftools valgrind
   sudo pip3 install yep
   ```

1. Copy pprof binary
   ```bash
   cd /usr/bin
   sudo wget https://raw.githubusercontent.com/gperftools/gperftools/master/src/pprof
   sudo chmod +x pprof
   ```

1. Execute profiler script
   ```bash
   ./bin/profiler.sh
   ```

### How to build (windows)

1. Install dependencies
    - [Python 3](https://www.python.org/downloads/windows/)
    - [Buildtools für Visual Studio 2022](https://visualstudio.microsoft.com/de/downloads/) (Scroll down &raquo; All Downloads &raquo; Tools for Visual Studio 2022)

1. Option 1: Build as wheel
   ```bash
   python3 -m pip wheel .
   ```

1. Option 2: Build pyd via Powershell
   ```powershell
   cmake -DCMAKE_BUILD_TYPE=Release -G "Visual Studio 17 2022" -B cmake-build-release -A x64 -DPython_EXECUTABLE=C:\PATH_TO_PYTHON\python.exe
   &"C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Current\Bin\MSBuild.exe" /m /p:Platform=x64 /p:Configuration=Release c104.sln /t:Rebuild
   ```
   Set a valid PATH_TO_PYTHON, if you have multiple python versions. \
   Set a valid path to MSBuild.exe unless msbuild is already in path.

### Generate documentation

1. Build c104 module

1. Install dependencies
   - `python3 -m pip install -r ./docs/requirements.txt`
   - doxygen
   - graphviz

1. Build doxygen xml
   ```bash
   doxygen Doxyfile
   ```

1. Build sphinx html
   ```bash
   python3 bin/build-docs.py
   ```

## Change log

Track all changes in our [CHANGELOG](https://iec104-python.readthedocs.io/latest/changelog.html) documentation.

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