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164 lines
4.7 KiB
Markdown
164 lines
4.7 KiB
Markdown
---
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date: 2025-03-13 11:31
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updated: 2025-03-13 15:14
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tags:
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- Everest
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date updated: 2025-04-02 11:54
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link: "false"
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share: "true"
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---
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以run-sil-ocpp.sh为例
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```mermaid
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graph TD
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A[CMakeLists.txt] -->|调用| B[generate_config_run_script函数]
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B -->|定义在| C[config-run-script.cmake]
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C -->|使用模板| D[run_template.sh.in]
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C -->|读取配置| E[config-sil-ocpp.yaml]
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D -->|变量替换| F[生成脚本]
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E -->|提供配置路径| F
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F -->|输出| G[run-sil-ocpp.sh]
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```
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# 在CMakeLists.txt中调用生成函数
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在checkout/everest-workspace/everest-core/config/CMakeLists.txt文件中,项目明确调用了生成脚本的函数:
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```cmake
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generate_config_run_script(CONFIG sil)
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generate_config_run_script(CONFIG sil-two-evse)
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generate_config_run_script(CONFIG sil-ocpp) # 这一行负责生成run-sil-ocpp.sh
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generate_config_run_script(CONFIG sil-ocpp201)
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...
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```
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# 生成函数的定义
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该函数在checkout/everest-workspace/everest-core/cmake/config-run-script.cmake中定义:
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```cmake
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function(generate_config_run_script)
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# 检查是否启用脚本生成
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if (NOT EVEREST_ENABLE_RUN_SCRIPT_GENERATION)
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return ()
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endif ()
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# 定义参数
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set(options "")
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set(one_value_args
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CONFIG
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LOGGING_CONFIG
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OUTPUT
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)
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set(multi_value_args
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ADDITIONAL_ARGUMENTS
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)
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# 解析参数
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cmake_parse_arguments(OPTNS "${options}" "${one_value_args}" "${multi_value_args}" ${ARGN})
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# 检查必要参数
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if (NOT OPTNS_CONFIG)
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message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} requires CONFIG parameter for the config name")
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endif()
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# 设置配置文件路径
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set(CONFIG_FILE "${CMAKE_CURRENT_SOURCE_DIR}/config-${OPTNS_CONFIG}.yaml")
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if (NOT EXISTS ${CONFIG_FILE})
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message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION}: config file '${CONFIG_FILE}' does not exist")
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endif()
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# 设置日志配置文件路径
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set(LOGGING_CONFIG_FILE "${EVEREST_CONFIG_ASSET_DIR}/logging.ini")
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if (OPTNS_LOGGING_CONFIG)
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set(LOGGING_CONFIG_FILE "${CMAKE_CURRENT_SOURCE_DIR}/${OPTNS_LOGGING_CONFIG}.ini")
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endif()
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# 设置输出路径和文件名
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set(SCRIPT_OUTPUT_PATH "${CMAKE_BINARY_DIR}/run-scripts")
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set(SCRIPT_OUTPUT_FILE "${SCRIPT_OUTPUT_PATH}/run-${OPTNS_CONFIG}.sh")
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if (OPTNS_OUTPUT)
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set(SCRIPT_OUTPUT_FILE "${SCRIPT_OUTPUT_PATH}/run-${OPTNS_OUTPUT}.sh")
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endif()
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# 设置其他必要变量
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set(LD_LIBRARY_VAR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
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set(PATH_VAR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}")
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# 使用模板生成脚本
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configure_file("${EVEREST_CONFIG_ASSET_DIR}/run_template.sh.in" ${SCRIPT_OUTPUT_FILE})
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endfunction()
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```
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# 脚本模板内容
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模板文件checkout/everest-workspace/everest-core/cmake/assets/run_template.sh.in的内容如下:
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```sh
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LD_LIBRARY_PATH=@LD_LIBRARY_VAR@:$LD_LIBRARY_PATH \
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PATH=@PATH_VAR@:$PATH \
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manager \
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--prefix @CMAKE_INSTALL_PREFIX@ \
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--conf @CONFIG_FILE@ \
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@ADDITIONAL_ARGUMENTS@
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$@
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```
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# 变量替换过程
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在CMake构建过程中,configure_file 命令会将模板中的变量替换为实际值:
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- `@LD_LIBRARY_VAR@` → `${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}`
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- `@PATH_VAR@` → `${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}`
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- `@CMAKE_INSTALL_PREFIX@` → 安装前缀路径
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- `@CONFIG_FILE@` → 配置文件路径,即`${CMAKE_CURRENT_SOURCE_DIR}/config-sil-ocpp.yaml`
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- `@ADDITIONAL_ARGUMENTS@` → 其他附加参数
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# 生成的脚本
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最终,生成的run-sil-ocpp.sh脚本看起来类似这样:
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```c
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LD_LIBRARY_PATH=/安装路径/lib:$LD_LIBRARY_PATH \
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PATH=/安装路径/bin:$PATH \
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manager \
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--prefix /安装路径 \
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--conf /源代码路径/config-sil-ocpp.yaml \
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<br/>
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$@
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```
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当用户运行脚本时,它执行manager程序并传递配置文件路径:
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# 配置文件示例
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config-sil-ocpp.yaml文件包含了运行时所需的配置信息,例如:
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```yaml
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active_modules:
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iso15118_charger:
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module: EvseV2G
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config_module:
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device: auto
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tls_security: allow
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connections:
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security:
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- module_id: evse_security
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implementation_id: main
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iso15118_car:
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module: PyEvJosev
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config_module:
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device: auto
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supported_ISO15118_2: true
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# 更多配置...
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```
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# 总结
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1. CMake构建系统在处理CMakeLists.txt文件时,发现调用了generate_config_run_script(CONFIG sil-ocpp)
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2. 执行该函数,找到对应的配置文件config-sil-ocpp.yaml
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3. 使用run_template.sh.in模板,将其中的变量替换为实际值
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4. 生成最终的run-sil-ocpp.sh脚本到构建目录
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5. 这个脚本在运行时会启动带有指定配置的应用程序,主要用于OCPP(开放充电点协议)功能的测试和模拟。
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