protobuf server

CMakeLists.txt

@@ -1,10 +1,9 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.20)
 project(serial_sample CXX)
 
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-# 1. FIX: Tell CMake to use modern GLVND OpenGL libraries and suppress the warning
 set(OpenGL_GL_PREFERENCE GLVND)
 
 # Define file paths for thirdparty modules
@@ -16,9 +15,10 @@ find_package(PkgConfig REQUIRED)
 find_package(OpenGL REQUIRED)
 pkg_check_modules(GLFW REQUIRED glfw3)
 pkg_check_modules(LIBSERIALPORT REQUIRED IMPORTED_TARGET libserialport)
+find_package(Protobuf REQUIRED)
+find_package(gRPC REQUIRED)
 
-
-# Collect core library source files
+# ImGUI things
 set(IMGUI_SOURCES
         ${IMGUI_DIR}/imgui.cpp
         ${IMGUI_DIR}/imgui_demo.cpp
@@ -37,6 +37,34 @@ set(IMPLOT_SOURCES
         include/SerialApp.h
 )
 
+set(proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/service.pb.cc")
+set(proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/service.pb.h")
+set(grpc_srcs "${CMAKE_CURRENT_BINARY_DIR}/service.grpc.pb.cc")
+set(grpc_hdrs "${CMAKE_CURRENT_BINARY_DIR}/service.grpc.pb.h")
+
+add_custom_command(
+        OUTPUT "${proto_srcs}" "${proto_hdrs}" "${grpc_srcs}" "${grpc_hdrs}"
+        COMMAND ${Protobuf_PROTOC_EXECUTABLE}
+        ARGS --grpc_out="${CMAKE_CURRENT_BINARY_DIR}"
+        --cpp_out="${CMAKE_CURRENT_BINARY_DIR}"
+        -I "${CMAKE_CURRENT_SOURCE_DIR}/proto"
+        --plugin=protoc-gen-grpc=/usr/bin/grpc_cpp_plugin
+        "${CMAKE_CURRENT_SOURCE_DIR}/proto/service.proto"
+        DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/proto/service.proto"
+)
+
+set_source_files_properties(
+        "${proto_srcs}" "${proto_hdrs}" "${grpc_srcs}" "${grpc_hdrs}"
+        PROPERTIES GENERATED TRUE
+)
+
+add_library(proto_lib STATIC ${proto_srcs} ${grpc_srcs} proto/service.proto)
+target_link_libraries(proto_lib PUBLIC gRPC::grpc++ ${Protobuf_LIBRARIES})
+target_include_directories(proto_lib PUBLIC
+        ${CMAKE_CURRENT_BINARY_DIR}
+        ${Protobuf_INCLUDE_DIRS}
+)
+
 add_executable(${PROJECT_NAME} main.cpp
         ${IMGUI_SOURCES}
         ${IMPLOT_SOURCES}
@@ -48,10 +76,10 @@ add_executable(${PROJECT_NAME} main.cpp
         include/LogWindow.h
 )
 
-
-# Provide Header Search Paths
 target_include_directories(${PROJECT_NAME} PRIVATE
         ${CMAKE_CURRENT_SOURCE_DIR}/src
+        ${CMAKE_CURRENT_BINARY_DIR}
+        ${Protobuf_INCLUDE_DIRS}
         ${IMGUI_DIR}
         ${IMGUI_DIR}/backends
         ${IMPLOT_DIR}
@@ -59,7 +87,6 @@ target_include_directories(${PROJECT_NAME} PRIVATE
         ${OPENGL_INCLUDE_DIR}
 )
 
-# Link Libraries
 target_link_libraries(${PROJECT_NAME} PRIVATE
         ${GLFW_LIBRARIES}
         OpenGL::GL
@@ -67,6 +94,7 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
         pthread
         dl
         PkgConfig::LIBSERIALPORT
+        proto_lib
 )
 
 configure_file(style/dracula.theme ${CMAKE_CURRENT_BINARY_DIR}/dracula.theme COPYONLY)