# Copyright (c) 2018 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. ############################################################################## # API ############################################################################## function(vpp_generate_api_c_header file) set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.h) get_filename_component(output_dir ${output_name} DIRECTORY) if(NOT VPP_APIGEN) set(VPP_APIGEN ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen) endif() if (VPP_INCLUDE_DIR) set(includedir "--includedir" ${VPP_INCLUDE_DIR}) endif() set(OUTPUT_HEADERS "${CMAKE_CURRENT_BINARY_DIR}/${file}.h" "${CMAKE_CURRENT_BINARY_DIR}/${file}_fromjson.h" "${CMAKE_CURRENT_BINARY_DIR}/${file}_tojson.h" "${CMAKE_CURRENT_BINARY_DIR}/${file}_enum.h" "${CMAKE_CURRENT_BINARY_DIR}/${file}_types.h" "${CMAKE_CURRENT_BINARY_DIR}/${file}.c" "${CMAKE_CURRENT_BINARY_DIR}/${file}_test.c" "${CMAKE_CURRENT_BINARY_DIR}/${file}_test2.c" ) add_custom_command ( OUTPUT ${OUTPUT_HEADERS} COMMAND mkdir -p ${output_dir} COMMAND ${PYENV} ${VPP_APIGEN} ARGS ${includedir} --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} --outputdir ${output_dir} --output ${output_name} DEPENDS ${VPP_APIGEN} ${CMAKE_CURRENT_SOURCE_DIR}/${file} COMMENT "Generating API header ${output_name}" ) get_filename_component(barename ${file} NAME) set(t ${barename}_deps) if (NOT TARGET ${t}) add_custom_target(${t} ALL DEPENDS ${OUTPUT_HEADERS}) add_dependencies(api_headers ${t}) endif() endfunction() function(vpp_generate_api_json_header file dir component) set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.json) get_filename_component(output_dir ${output_name} DIRECTORY) if(NOT VPP_APIGEN) set(VPP_APIGEN ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen) endif() if (VPP_INCLUDE_DIR) set(includedir "--includedir" ${VPP_INCLUDE_DIR}) endif() add_custom_command (OUTPUT ${output_name} COMMAND mkdir -p ${output_dir} COMMAND ${PYENV} ${VPP_APIGEN} ARGS ${includedir} --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} JSON --output ${output_name} DEPENDS ${VPP_APIGEN} ${CMAKE_CURRENT_SOURCE_DIR}/${file} COMMENT "Generating API header ${output_name}" ) install( FILES ${output_name} DESTINATION share/vpp/api/${dir}/ COMPONENT ${component} ) endfunction() ############################################################################## # VPP-API ############################################################################## function(vpp_generate_vapi_c_header f) get_filename_component(output ${f}.vapi.h NAME) set (output_name ${VPP_BINARY_DIR}/vpp-api/vapi/${output}) if(NOT VPP_VAPI_C_GEN) set(VPP_VAPI_C_GEN ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_c_gen.py) set(VPP_VAPI_C_GEN_DEPENDS ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_c_gen.py ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_json_parser.py ) endif() # C VAPI Headers set(input ${CMAKE_CURRENT_BINARY_DIR}/${f}.json) add_custom_command( OUTPUT ${output_name} WORKING_DIRECTORY ${VPP_BINARY_DIR}/vpp-api/vapi COMMAND ${PYENV} ${VPP_VAPI_C_GEN} ARGS --remove-path ${input} DEPENDS ${input} ${VPP_VAPI_C_GEN_DEPENDS} COMMENT "Generating VAPI C header ${output_name}" ) install( FILES ${output_name} DESTINATION include/vapi COMPONENT vpp-dev ) endfunction () function (vpp_generate_vapi_cpp_header f) get_filename_component(output ${f}.vapi.hpp NAME) set (output_name ${VPP_BINARY_DIR}/vpp-api/vapi/${output}) if(NOT VPP_VAPI_CPP_GEN) set(VPP_VAPI_CPP_GEN ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_cpp_gen.py) set(VPP_VAPI_CPP_GEN_DEPENDS ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_cpp_gen.py ${CMAKE_SOURCE_DIR}/vpp-api/vapi/vapi_json_parser.py ) endif() # C++ VAPI Headers set(input ${CMAKE_CURRENT_BINARY_DIR}/${f}.json) add_custom_command( OUTPUT ${output_name} WORKING_DIRECTORY ${VPP_BINARY_DIR}/vpp-api/vapi COMMAND ${PYENV} ${VPP_VAPI_CPP_GEN} ARGS --gen-h-prefix=vapi --remove-path ${input} DEPENDS ${input} ${VPP_VAPI_CPP_GEN_DEPENDS} COMMENT "Generating VAPI C++ header ${output_name}" ) install( FILES ${output_name} DESTINATION include/vapi COMPONENT vpp-dev ) endfunction () ############################################################################## # generate the .h and .json files for a .api file # @param file - the name of the .api # @param dir - the install directory under ROOT/share/vpp/api to place the # generated .json file ############################################################################## function(vpp_generate_api_header file dir component) vpp_generate_api_c_header (${file}) vpp_generate_api_json_header (${file} ${dir} ${component}) vpp_generate_vapi_c_header (${file}) vpp_generate_vapi_cpp_header (${file}) endfunction() function(vpp_add_api_files name dir component) unset(header_files) set(target ${name}_api_headers) file(RELATIVE_PATH rpath ${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) foreach(file ${ARGN}) vpp_generate_api_header (${file} ${dir} ${component}) # Basic api headers get installed in a subdirectory according to # their component name, but vapi is expected to be found directly under # "vapi". Both by in-source components (e.g. vpp-api/vapi/vapi.c), and # out-of-tree plugins use #include <vapi/component.api.vapi.h>. # ${file} contains the subdirectory, so strip it here. get_filename_component(name ${file} NAME) list(APPEND header_files ${file}.h ${file}_enum.h ${file}_types.h ${file}.json ${VPP_BINARY_DIR}/vpp-api/vapi/${name}.vapi.h ${VPP_BINARY_DIR}/vpp-api/vapi/${name}.vapi.hpp ) endforeach() add_custom_target(${target} DEPENDS ${header_files}) add_dependencies(api_headers ${target}) endfunction() add_custom_target(api_headers DEPENDS vlibmemory_api_headers vnet_api_headers vpp_api_headers vlib_api_headers )