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Apache PLC4X Logo

The Industrial IoT adapter

The ultimate goal of PLC4X is to create a set of libraries, that allow unified access to any type of PLC

*** # Table of contents * [About PLC4X](#about-apache-plc4x) * [Getting Started](#getting-started) * [Developers](#developers) * [Community](#community) * [Contributing](#contributing) * [Licensing](#licensing) *** ## About Apache PLC4X Apache PLC4X is an effort to create a set of libraries for communicating with industrial grade programmable logic controllers (PLCs) in a uniform way. We are planning on shipping libraries for usage in: 1. Java 2. Go 3. C/C++ (not ready for usage) 4. Python (not ready for usage) 5. C# (.Net) (not ready for usage) PLC4X also integrates with other Apache projects, such as: * [Apache Calcite]( * [Apache Camel]( * [Apache Edgent]( * [Apache Kafka-Connect]( * [Apache Karaf]( * [Apache NiFi]( ## Getting started Depending on the programming language, the usage will differ, therefore please go to the [Getting Started]( on the PLC4X website to look up the language of choice. ### Java NOTE: Currently the Java version which supports building of all parts of Apache PLC4X is exactly Java 11 (Higher versions can't build the Logstash integration and lower versions can't build the CMake dependent parts). See the PLC4J user guide on the website to start using PLC4X in your Java application: []( ## Developers ### Environment Currently, the project is configured to require the following software: 1. Java 8 JDK: For running Maven in general as well as compiling the Java and Scala modules `JAVA_HOME` configured to point to that. 2. libpcap/WinPcap for raw socket tests in Java or use of `passive-mode` drivers 3. (Optional) [Graphviz]( : For generating the graphs in the documentation 4. Git (even when working on the source distribution) With this setup you will be able to build the Java part of PLC4X excluding the "proxy" drivers and servers. For a full build of PLC4X with all options the following has to be provided: #### Linux On a clean Ubuntu 18.04 the following software needs to be installed: ``` sudo apt install python-setuptools gcc g++ make libpcap-dev ``` If you're building a source-distribution and haven't installed git yet, be sure to do so: ``` sudo apt install git ``` In order to build the .Net version, please install the .Net package according to this guide: #### Mac Make sure `Homebrew` ist installed in order to update `Bison` to a newer version (the version 2.3 installed per default is too old) ``` /usr/bin/ruby -e "$(curl -fsSL" ``` Then update `Bison`: ``` brew install bison brew link bison --force echo 'export PATH="/usr/local/opt/bison/bin:$PATH"' >> ~/.bash_profile ``` Install `Python 2.7`: ``` brew install python@2 ``` Be sure to re-open the command window or the changes will not apply. If you're going to build the `with-dotnet` profile you also need to install DotNet. Please download it from: and run the installer. LibPCAP is also installed via Homebrew: ``` brew install libpcap ``` #### Windows Some tools need to be installed before being able to build on Windows: * WinBuilds (for `with-cpp`, `with-proxies` profiles) * Bison (for `with-cpp` profiles) * Flex (for `with-cpp` profiles) * Python 2.7 (for `with-python`, `with-proxies` profiles) * Dotnet (for `with-dotnet` profiles) * WinPCAP * OpenSSL We have tested `WinBuilds` with the bundle of: Run the installer as "Administrator" or you won't be able to install it to every location. Please install it to a location, for which the path doesn't contain any whitespaces. When running the installer, make sure to select the options: * Native Windows * x86_64 Not quite sure which elements are really needed, better just install all of them. If the installer fails to do something complaining about having to use a different mirror, enter "" as mirror address. WARNING: If you don't use the installer version of the distribution. The build will probably fail and it will be pretty impossible to see the problem. When manually executing the command, a popup will appear complaining about not being able to find some DLL. So if you are having these problems, please try using the installer instead of manually unpacking the archive. For `Bison`, please download the Setup installer version from here: (When using the zip version the bison.exe couldn't find some DLL files) It seems the official 2.4.1 version has issues when installed in a directory which's path contains spaces. Please make sure you replace the exe with a patched version form here: (More infos on this issue here: Please download the `Flex` compiler from here: (Ideally download the binary zip distribution) You can get `Python` from here: For `.Net`, you need the `Developer Pack` in order to build .Net applications. So be sure to get a reasonably fresh installation from If you're building a source-distribution and haven't installed git yet, be sure to do so. The Windows version of the PCAP library can be found here: (In order to read PCAPNG files we require a libpcap version 1.1.0 or greater. The default Windows version is 1.0. At this location there is a patched version based on libpcap 1.7.4) Last not least we need to install OpenSSL, which is available from here: The letter at the end of the version is sort of a "sub-minor" version, so I usually just take the version with the highest letter. Make sure the `bin` directories of containing the executables `mingw32-make.exe`, `bison.exe` and `flex.exe` are all on your systems `PATH` as well as the directory containing the `openssl.exe`. ### Building with Docker If you don't want to bother setting up the environment on your normal system and you have Docker installed, you can also build everything in a Docker container: ``` docker build -t plc4x . ``` ### Getting Started You must have at least Java 8 installed on your system and connectivity to Maven Central (for downloading external third party dependencies). However in order to build all parts of PLC4X exactly Java 11 is required. Maven 3.6 is required to build, so be sure it's installed and available on your system. NOTE: There is a convenience Maven-Wrapper installed in the repo, when used, this automatically downloads and installs Maven. If you want to use this, please use `./mvnw` or `mvnw` instead of the normal `mvn` command. NOTE: When running from sources-zip, the `mvnw` might not be executable on `Mac` or `Linux`. This can easily be fixed by running the following command in the directory. ``` $ chmod +x mvnw ``` NOTE: If you are working on a `Windows` system, please use `mvnw.cmd` instead of `./mvnw` in the following build commands. Build PLC4X Java jars and install them in your local maven repository ``` ./mvnw install # add -DskipTests to omit running the tests ``` You can now construct Java applications that use PLC4X. The PLC4X examples are a good place to start and are available inside the `plc4j/examples` directory. The `Go` drivers can be built by enabling the `with-go` profile: ``` ./mvnw -P with-go install # add -DskipTests to omit running the tests ``` NOTE: The C++ build is considered experimental and currently not working properly. The `C++` drivers are still under development and still not really usable. Therefore, they are located in the so-called `sandbox`. Also does it rely on a library called, `boost`, which needs to also be built. If you want to build them, this has to be enabled by activating the `with-boost`, `with-sandbox` and `with-cpp` maven profiles: ``` ./mvnw -P with-boost,with-sandbox,with-cpp install # add -DskipTests to omit running the tests ``` The `C# / .Net` implementation is currently in a `work in progress` state. In order to be able to build the `C# / .Net` module, you currently need to activate the: `with-sandbox` and `with-dotnet` profiles. ``` ./mvnw -P with-sandbox,with-dotnet install # add -DskipTests to omit running the tests ``` The Python implementation is currently in a somewhat unclean state and still needs refactoring. In order to be able to build the Python module, you currently need to activate the: `with-sandbox` and `with-python` profiles. ``` ./mvnw -P with-sandbox,with-python install # add -DskipTests to omit running the tests ``` In order to build everything the following command should work: ``` ./mvnw -P with-c,with-dotnet,with-go,with-python,with-sandbox install ``` ## Community Join the PLC4X community by using one of the following channels. We'll be glad to help! ### Mailing Lists Subscribe to the following mailing lists: * Apache PLC4X Developer List: []( * Apache PLC4X Commits List: []( * Apache PLC4X Jira Notification List: []( See also: []( ### Twitter Get the latest PLC4X news on Twitter: []( ## Contributing There are multiple forms in which you can become involved with the PLC4X project. These usually are, but are not limited to: * Submitting Pull Requests * Filing Bug-Reports * Active communication on our mailing lists * Promoting the project (articles, blog posts, talks at conferences) * Documentation We are a very friendly bunch and don’t be afraid to step forward. If you'd like to contribute to PLC4X, have a look at our [contribution guide](! ## Licensing Apache PLC4X is released under the Apache License Version 2.0.
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