Fix #972, reorganize directory structure

.github/workflows/codeql-build.yml

@@ -48,9 +48,7 @@ jobs:
       # Build the code
       - name: Build
         run: |
-          make cfe-core
-          make native/default_cpu1/cfe-core/unit-test/
-          make native/default_cpu1/cfe-core/ut-stubs/
+          make -C build/native/default_cpu1 core_api core_private es evs fs msg resourceid sb sbr tbl time
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v1

.github/workflows/run_fsw_cppcheck.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+cppcheck_common_opts="--force --inline-suppr --std=c99 --language=c --enable=warning,performance,portability,style --suppress=variableScope --inconclusive"
+
+# When checking time, only the "server" config option is enabled for now.
+# Otherwise cppcheck attempts to check with both branches enabled and generates false errors
+cppcheck_time_opts="-UCFE_PLATFORM_TIME_CFG_CLIENT -DCFE_PLATFORM_TIME_CFG_SERVER"
+
+for mod in ${*}
+do
+    cppcheck ${cppcheck_common_opts} $(eval echo \$cppcheck_${mod}_opts) ./modules/${mod}/fsw
+done
+

.github/workflows/static-analysis.yml

@@ -38,7 +38,8 @@ jobs:
       - name: cfe strict cppcheck
         if: ${{matrix.cppcheck =='cfe'}}
         run: |
-          cppcheck --force --inline-suppr --std=c99 --language=c --enable=warning,performance,portability,style --suppress=variableScope --inconclusive ./fsw/cfe-core/src ./modules 2> ./${{matrix.cppcheck}}_cppcheck_err.txt
+          all_fsw_modules="core_api core_private es evs fs msg resourceid sb sbr tbl time"
+          /bin/bash ./.github/workflows/run_fsw_cppcheck.sh ${all_fsw_modules} 2> ${{matrix.cppcheck}}_cppcheck_err.txt
 
       - name: Archive Static Analysis Artifacts
         uses: actions/upload-artifact@v2

CMakeLists.txt

@@ -51,9 +51,10 @@ set(CMAKE_LEGACY_CYGWIN_WIN32 0)
 # (this is not required, and the directory can be empty/nonexistent)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../psp/cmake/Modules" ${CMAKE_MODULE_PATH})
 
-# The minimum CMake version is chosen because 2.6.4 is what is
-# included by default with RHEL/Centos 5.x
-cmake_minimum_required(VERSION 2.6.4)
+# The minimum CMake version is chosen because v3.5.1 is what is
+# available by default with Ubuntu 16.04 LTS at the time of development
+# RHEL/CentOS users should install the "cmake3" package from EPEL repo 
+cmake_minimum_required(VERSION 3.5)
 
 # This top-level file does not define ANY targets directly but we know
 # that the subdirectories will at least use the "C" language, so

cmake/arch_build.cmake

@@ -70,12 +70,13 @@ endfunction(initialize_globals)
 #
 function(add_psp_module MOD_NAME MOD_SRC_FILES)
 
-  # Include the PSP shared directory so it can get to cfe_psp_module.h
-  include_directories(${MISSION_SOURCE_DIR}/psp/fsw/shared/inc)
-  add_definitions(-D_CFE_PSP_MODULE_)
-
   # Create the module
   add_library(${MOD_NAME} STATIC ${MOD_SRC_FILES} ${ARGN})
+  target_link_libraries(${MOD_NAME} PRIVATE psp_module_api)
+
+  target_compile_definitions(${MOD_NAME} PRIVATE 
+    _CFE_PSP_MODULE_
+  )
 
 endfunction(add_psp_module)
 
@@ -98,6 +99,7 @@ function(add_cfe_app APP_NAME APP_SRC_FILES)
 
   # Create the app module
   add_library(${APP_NAME} ${APPTYPE} ${APP_SRC_FILES} ${ARGN})
+  target_link_libraries(${APP_NAME} core_api)
 
   # An "install" step is only needed for dynamic/runtime loaded apps
   if (APP_DYNAMIC_TARGET_LIST)
@@ -149,7 +151,6 @@ function(add_cfe_tables APP_NAME TBL_SRC_FILES)
   # The table source must be compiled using the same "include_directories"
   # as any other target, but it uses the "add_custom_command" so there is
   # no automatic way to do this (at least in the older cmakes)
-  get_current_cflags(TBL_CFLAGS ${CMAKE_C_FLAGS})
 
   # Create the intermediate table objects using the target compiler,
   # then use "elf2cfetbl" to convert to a .tbl file
@@ -189,6 +190,9 @@ function(add_cfe_tables APP_NAME TBL_SRC_FILES)
         message("NOTE: Selected ${TBL_SRC} as source for ${TBLWE}")
       endif()    
 
+      add_library(${TGT}_${TBLWE}-obj OBJECT ${TBL_SRC})
+      target_link_libraries(${TGT}_${TBLWE}-obj PRIVATE core_api)
+
       # IMPORTANT: This rule assumes that the output filename of elf2cfetbl matches
       # the input file name but with a different extension (.o -> .tbl)
       # The actual output filename is embedded in the source file (.c), however
@@ -197,9 +201,8 @@ function(add_cfe_tables APP_NAME TBL_SRC_FILES)
       # current content of a dependency (rightfully so).
       add_custom_command(
         OUTPUT "${TABLE_DESTDIR}/${TBLWE}.tbl"
-        COMMAND ${CMAKE_C_COMPILER} ${TBL_CFLAGS} -c -o ${TBLWE}.o ${TBL_SRC}
-        COMMAND ${MISSION_BINARY_DIR}/tools/elf2cfetbl/elf2cfetbl ${TBLWE}.o
-        DEPENDS ${MISSION_BINARY_DIR}/tools/elf2cfetbl/elf2cfetbl ${TBL_SRC}
+        COMMAND ${MISSION_BINARY_DIR}/tools/elf2cfetbl/elf2cfetbl $<TARGET_OBJECTS:${TGT}_${TBLWE}-obj>
+        DEPENDS ${MISSION_BINARY_DIR}/tools/elf2cfetbl/elf2cfetbl ${TGT}_${TBLWE}-obj
         WORKING_DIRECTORY ${TABLE_DESTDIR}
       )
       # Create the install targets for all the tables
@@ -308,7 +311,7 @@ function(add_cfe_coverage_test MODULE_NAME UNIT_NAME TESTCASE_SRC UT_SRCS)
     # as well as the UT assert framework    
     target_link_libraries(${RUNNER_TARGET}
         ${UT_COVERAGE_LINK_FLAGS}
-        ut_cfe-core_stubs
+        ut_core_api_stubs
         ut_assert
     )
 
@@ -442,6 +445,38 @@ function(cfs_app_do_install APP_NAME)
 
 endfunction(cfs_app_do_install)
 
+##################################################################
+#
+# FUNCTION: cfs_app_check_intf
+#
+# Adds a special target that checks the structure of header files
+# in the public interface for this module.  A synthetic .c source file
+# is created which has a "#include" of each individual header, which
+# then compiled as part of the validation.  The intent is to confirm
+# that each header is valid in a standalone fashion and have no 
+# implicit prerequisites.
+#
+function(cfs_app_check_intf MODULE_NAME)
+    set(${MODULE_NAME}_hdrcheck_SOURCES)
+    foreach(HDR ${ARGN})
+        configure_file(${CFE_SOURCE_DIR}/cmake/check_header.c.in ${CMAKE_CURRENT_BINARY_DIR}/src/check_${HDR}.c)
+        list(APPEND ${MODULE_NAME}_hdrcheck_SOURCES ${CMAKE_CURRENT_BINARY_DIR}/src/check_${HDR}.c)
+    endforeach(HDR ${ARGN})
+    add_library(${MODULE_NAME}_headercheck OBJECT ${${MODULE_NAME}_hdrcheck_SOURCES})
+
+    # This causes the check to compile with the same set of defines and include dirs as specified
+    # in the "INTERFACE" properties of the actual module
+    target_link_libraries(${MODULE_NAME}_headercheck PRIVATE
+        core_api
+        ${DEP}
+    )
+
+    # Build this as part of the synthetic "check-headers" target
+    add_dependencies(check-headers ${MODULE_NAME}_headercheck)
+endfunction(cfs_app_check_intf)
+
+
+
 
 ##################################################################
 #
@@ -538,33 +573,17 @@ function(process_arch SYSVAR)
   include_directories(${MISSION_BINARY_DIR}/inc)
   include_directories(${CMAKE_BINARY_DIR}/inc)
 
+  # Add a custom target for "headercheck" - this is a special target confirms that 
+  # checks the sanity of headers within the public interface of modules
+  add_custom_target(check-headers)
+
   # Configure OSAL target first, as it also determines important compiler flags
   add_subdirectory("${osal_MISSION_DIR}" osal)
 
   # The OSAL displays its selected OS, so it is logical to display the selected PSP
   # This can help with debugging if things go wrong.
   message(STATUS "PSP Selection: ${CFE_SYSTEM_PSPNAME}")
 
-  # Add all widely-used public headers to the include path chain
-  include_directories(${MISSION_SOURCE_DIR}/osal/src/os/inc)
-  include_directories(${MISSION_SOURCE_DIR}/psp/fsw/inc)  
-  include_directories(${MISSION_SOURCE_DIR}/cfe/fsw/cfe-core/src/inc)
-  include_directories(${MISSION_SOURCE_DIR}/cfe/cmake/target/inc)
-
-  # propagate any OSAL interface compile definitions and include directories to this build
-  # This is set as a directory property here at the top level so it will apply to all code.
-  # This includes MODULE libraries that do not directly/statically link with OSAL but still
-  # should be compiled with these flags.
-  get_target_property(OSAL_COMPILE_DEFINITIONS osal INTERFACE_COMPILE_DEFINITIONS)
-  get_target_property(OSAL_INCLUDE_DIRECTORIES osal INTERFACE_INCLUDE_DIRECTORIES)
-
-  if (OSAL_COMPILE_DEFINITIONS)
-    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "${OSAL_COMPILE_DEFINITIONS}")
-  endif (OSAL_COMPILE_DEFINITIONS)
-  if (OSAL_INCLUDE_DIRECTORIES)
-    include_directories(${OSAL_INCLUDE_DIRECTORIES})
-  endif (OSAL_INCLUDE_DIRECTORIES)
-
   # Append the PSP and OSAL selections to the Doxyfile so it will be included
   # in the generated documentation automatically.
   # Also extract the "-D" options within CFLAGS and inform Doxygen about these

cmake/check_header.c.in

@@ -0,0 +1,4 @@
+#include "@HDR@"
+
+/* A no-op function so this compilation unit is not empty */
+void CheckHeader(void) {}

cmake/global_functions.cmake

@@ -264,39 +264,3 @@ function(read_targetconfig)
   endforeach(SYSVAR ${TGTSYS_LIST})
 
 endfunction(read_targetconfig)
-
-##################################################################
-#
-# FUNCTION: get_current_cflags
-#
-# Convert the input string, which is a simple text string of compiler flags such
-# as CMAKE_C_FLAGS or CMAKE_CXX_FLAGS, and convert it to a list of individual options
-#
-# In addition, the "-I" options from include_directories() and -D options from 
-# add_definitions() will be added to the output list.  The contents of these will be
-# obtained via the properities of the current source directory. 
-#
-function(get_current_cflags OUTPUT_LIST)
-
-  # Start by converting the supplied string to a list 
-  set(FLAGLIST)
-  foreach (FLGSTR ${ARGN})
-    string(REGEX REPLACE " +" ";" TEMPFLG ${FLGSTR})
-    list(APPEND FLAGLIST ${TEMPFLG})
-  endforeach (FLGSTR ${ARGN})
-
-  # Append any compile definitions from the directory properties
-  get_directory_property(CURRENT_DEFS COMPILE_DEFINITIONS)
-  foreach(DEF ${CURRENT_DEFS})
-    list(APPEND FLAGLIST "-D${DEF}")
-  endforeach(DEF ${CURRENT_DEFS})
-
-  # Append any include directories from the directory properties
-  get_directory_property(CURRENT_INCDIRS INCLUDE_DIRECTORIES)
-  foreach(INC ${CURRENT_INCDIRS})
-    list(APPEND FLAGLIST "-I${INC}")
-  endforeach(INC ${CURRENT_INCDIRS})
-
-  set(${OUTPUT_LIST} ${FLAGLIST} PARENT_SCOPE)
-
-endfunction(get_current_cflags OUTPUT_LIST INPUT_FLAGS)

cmake/mission_build.cmake

@@ -161,7 +161,6 @@ function(generate_build_version_templates)
 
 endfunction(generate_build_version_templates)
 
-
 ##################################################################
 #
 # FUNCTION: prepare
@@ -249,7 +248,7 @@ function(prepare)
 
   foreach(APP ${MISSION_DEPS})
     # OSAL is handled specially, as only part of it is used
-    if (NOT APP STREQUAL "osal" AND NOT APP STREQUAL "cfe-core")
+    if (NOT APP STREQUAL "osal")
       if (EXISTS "${${APP}_MISSION_DIR}/docs/${APP}.doxyfile.in")
         # If the module provides its own doxyfile, then include it directly
         # This allows for app-specific fine-tuning of the sources, based on its own source tree 
@@ -281,13 +280,22 @@ function(prepare)
   # have the documentation associated with each macro definition.
   configure_file("${osal_MISSION_DIR}/osconfig.h.in"
     "${CMAKE_BINARY_DIR}/doc/osconfig-example.h")
-    
+
   # The user guide should include the doxygen from the _public_ API files from CFE + OSAL
-  file(GLOB MISSION_USERGUIDE_HEADERFILES 
-    "${cfe-core_MISSION_DIR}/src/inc/*.h"
+  # NOTE: the userguide is built against the headers of the default core apps. Even if
+  # an alternate version of the module is in use, it should adhere to the same interface.
+  set(SUBMODULE_HEADER_PATHS
     "${osal_MISSION_DIR}/src/os/inc/*.h"
+    "${psp_MISSION_DIR}/psp/fsw/inc/*.h"
+  )
+  foreach(MODULE core_api es evs fs msg sb tbl time)
+    list(APPEND SUBMODULE_HEADER_PATHS "${${MODULE}_MISSION_DIR}/fsw/inc/*.h")
+  endforeach()
+  file(GLOB MISSION_USERGUIDE_HEADERFILES 
+    ${SUBMODULE_HEADER_PATHS}
     "${CMAKE_BINARY_DIR}/doc/osconfig-example.h"
-    "${MISSION_SOURCE_DIR}/psp/fsw/inc/*.h")
+  )
+
   string(REPLACE ";" " \\\n" MISSION_USERGUIDE_HEADERFILES "${MISSION_USERGUIDE_HEADERFILES}") 
 
   # OSAL API GUIDE include PUBLIC API
@@ -312,7 +320,7 @@ function(prepare)
 
   add_custom_target(osalguide 
     doxygen osalguide.doxyfile 
-    WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/doc") 
+    WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/doc")
 
   # Pull in any application-specific mission-scope configuration
   # This may include user configuration files such as cfe_mission_cfg.h,
@@ -360,6 +368,18 @@ function(prepare)
   generate_build_version_templates()
 
   # Generate the tools for the native (host) arch
+  # Add all public include dirs for core components to include path for tools
+  include_directories(
+    ${core_api_MISSION_DIR}/fsw/inc
+    #${es_MISSION_DIR}/fsw/inc
+    #${evs_MISSION_DIR}/fsw/inc
+    #${fs_MISSION_DIR}/fsw/inc
+    #${sb_MISSION_DIR}/fsw/inc
+    #${tbl_MISSION_DIR}/fsw/inc
+    #${time_MISSION_DIR}/fsw/inc
+    ${osal_MISSION_DIR}/src/os/inc
+    ${psp_MISSION_DIR}/psp/fsw/inc
+  )
   add_subdirectory(${MISSION_SOURCE_DIR}/tools tools)
 
   # Add a dependency on the table generator tool as this is required for table builds

cmake/mission_defaults.cmake

@@ -10,8 +10,16 @@
 # The "MISSION_CORE_MODULES" will be built and statically linked as part
 # of the CFE core executable on every target.  These can be used to amend
 # or override parts of the CFE core on a mission-specific basis.
+# The "intf" modules are headers only, and define the interface(s) between components
 set(MISSION_CORE_MODULES 
-    "cfe-core" 
+    "core_api"  
+    "core_private"  
+    "es" 
+    "evs" 
+    "fs" 
+    "sb" 
+    "tbl" 
+    "time" 
     "osal"
     "psp"
     "msg"
@@ -45,7 +53,6 @@ set(MISSION_MODULE_SEARCH_PATH
 # a variable named "<component>_SEARCH_PATH".  This is
 # used for locating cfe-core and osal which are not part
 # of the standard search path.
-set(cfe-core_SEARCH_PATH "cfe/fsw")
 set(osal_SEARCH_PATH ".")
 set(psp_SEARCH_PATH ".")
 

cmake/target/CMakeLists.txt

@@ -34,7 +34,7 @@ string(CONCAT GENERATED_FILE_TRAILER
 set(GENERATED_EXTERNS)
 set(GENERATED_KEYVALS)
 foreach(PSPMOD ${${TGTNAME}_PSP_MODULELIST})
-    list(APPEND GENERATED_EXTERNS "extern char CFE_PSP_${PSPMOD}_API;\n")
+    list(APPEND GENERATED_EXTERNS "extern char CFE_PSP_${PSPMOD}_API\;\n")
     list(APPEND GENERATED_KEYVALS "{ .Name = \"${PSPMOD}\", .Api = &CFE_PSP_${PSPMOD}_API },\n")
 endforeach(PSPMOD ${${TGTNAME}_PSP_MODULELIST})
 

cmake/target/src/target_config.c

@@ -37,7 +37,7 @@
 #include "cfe_platform_cfg.h"
 #include "cfe_es.h"
 #include "cfe_time.h"
-#include "private/cfe_es_resetdata_typedef.h"
+#include "cfe_es_resetdata_typedef.h"
 #include "cfe_version.h"    /* for CFE_VERSION_STRING */
 #include "osapi-version.h"  /* for OS_VERSION_STRING */