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crane-frameworkAbstract reusable computing and software functions into plug-ins,APPDevelopers are oriented towards using pluginsMEC APPDevelopment。So blocked andMECDetails of platform interaction,achieveMEC APPwithMECLoose coupling of the platform。And the basic capabilities of the plug-in framework can be tailored,Provide the smallest on demandAPPsystem。

Features Introduction

For the convenience of developersAPPDevelopment,we providecranePlug-in framework,The framework can support multiple language development(Currently supportedC++、Python),Mainly include the following capabilities:

  • Plug-in production

    The plug-in framework provides singleton plug-in and multi-case plug-in models,Developers can make their own plug-ins based on the framework model,Contribute your own plugin to the platform。

  • Plug-in management

    Plug-in framework helps developers to develop quickly,Provide plug-in registration、load、Unloading and other capabilities,And the plugin can be updated continuously。

  • System plug-in

    The plug-in framework provides developers with useful plug-ins,The system plug-ins currently provided aremep、msg、httpserver。

Compile and run

crane-frameworkProvided as a dynamic library,At the same time, the framework supportsgstreamerframe,开发者可以基于该frame进行二次开发。

  • Environmental preparation

    Name Version
    python3.8 3.8xxx or above
    SWIG 3.0
    rapidjson v1.1.0
    Openssl 1.1.1
    cpprestsdk 2.10.2
    pistache VERSION_GIT_DATE 20200708
    gtest 1.10.x
    curl 7.58.0
    gstreamer 1.0

    The installation of the tripartite can refer toenv-pre.sh

  • CraneFrame andCranePlug-in、appSource file compilation

  1. cd src/..; mkdir build
  2. cd build;
  3. cmake -DCRANE_BUILD_TESTS=true -DCMAKE_BUILD_TYPE=Release ..
  4. make
  5. Before testing,Need to be testedcraneCopy the relevant configuration files to the working directory/rootunder,And set environment variables(Pay attention to modify the actual code path in the sample)
    cp ../tests/crane-cnf/.crane.cnf ../tests/crane-cnf/.crane_cache ../tests/crane-cnf/.crane_plugin_mep.cnf ../tests/crane-cnf/.crane_plugin_srv.cnf /root
    export APP_INSTANCE_ID=682a2fb92b224029b0d02205231b8450
    export CRANE_SYS_PLUGIN_PATH=/home/lxy/crane-framework/build/lib/crane
    export CRANE_APP_PLUGIN_PATH=/home/lxy/crane-framework/build/lib/plugins
  6. make test
  7. After compilation,inbuild/libwithbuild/binGenerate the correspondingso文件with可执行文件
  • CraneFrame andCraneThe plugin is installed to/usr/localtable of Contents

  1. sudo make install
  2. sudo cmake --build . --target install-playcd-python sudo cmake --build . --target install-crane-python
  3. After the installation is complete,in/usr/local/include/crane、/usr/local/lib/craneGenerate the correspondinghFile and plugin framework、CraneSystem plug-insofile
  • GstreamerPlugin compilation

  1. cd src/plugins/gst;
  2. ./autogen.sh
  3. make; make install
  4. Compile、After the installation is complete,GstreamerPlug-insoFile installed to/usr/local/lib/gstreamer-1.0
  • DemoProgram running

  1. cd src/../build/bin;
  2. ./run_crane_plugin_create_and_destory.out
  3. ./run_crane_plugin_create_singleton.out
  4. ./run_crane_plugin_http_server.out&; curl -k -X POST ""
  5. cd src/app/src/; python crane_plugin_python_interface.py
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