Add basic E2 agent through git submodule

- Add E2 agent that leverages FlexRIC e2ap library - Add documentation in openair2/E2AP/README.md - Currently, statistics exported are random
2023-07-07 13:45:18 +02:00
parent c81ed57a93
commit 70ad480a29
36 changed files with 1202 additions and 0 deletions
@@ -0,0 +1,98 @@
+# Check that the submodule exists or init+update if not 
+if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/flexric/CMakeLists.txt)
+  message(STATUS "E2AP submoduled not detected, therefore $git submodule init && git submodule update.")
+  execute_process(COMMAND git submodule init)
+  execute_process(COMMAND git submodule update) 
+else()
+  message(STATUS "E2AP submodule detected.")
+endif()
+
+if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/flexric/CMakeLists.txt)
+  message(FATAL_ERROR "The submodules for E2 agent were not downloaded!")
+endif()
+
+
+set(BUILDING_LIBRARY "STATIC" CACHE STRING "Static or dynamic library")
+set_property(CACHE BUILDING_LIBRARY PROPERTY STRINGS "STATIC" "DYNAMIC")
+message(STATUS "Selected LIBRARY TYPE: ${BUILDING_LIBRARY}")
+
+
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+if(BUILDING_LIBRARY STREQUAL "STATIC")
+  add_compile_options("-W;-Wall;-Wextra;-g;-Wno-unused-result;")
+elseif(BUILDING_LIBRARY STREQUAL "DYNAMIC")
+  # -fPIC flag
+  set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+  add_compile_options("-W;-Wall;-Wextra;-g")
+else()
+  message(FATAL_ERROR "Unknown building type. Either choose a static or a dynamic library")
+endif()
+
+
+set(E2AP_ENCODING "ASN" CACHE STRING "The E2AP encoding to use")
+set_property(CACHE E2AP_ENCODING PROPERTY STRINGS "ASN" "FLATBUFFERS")
+message(STATUS "Selected E2AP_ENCODING: ${E2AP_ENCODING}")
+
+
+#######
+## Service Models 
+#######
+
+add_definitions(-DSERVICE_MODEL_DIR_PATH="${SM_DIR_PATH}/")
+
+# KPM service Model encoding definitions
+set(SM_ENCODING_KPM "ASN" CACHE STRING "The KPM SM encoding to use")
+set_property(CACHE SM_ENCODING_KPM PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected KPM SM_ENCODING: ${SM_ENCODING_KPM}")
+
+# RC service Model encoding definitions
+set(SM_ENCODING_RC "ASN" CACHE STRING "The RC SM encoding to use")
+set_property(CACHE SM_ENCODING_RC PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected RC SM_ENCODING: ${SM_ENCODING_RC}")
+
+# MAC Service Model
+set(SM_ENCODING_MAC "PLAIN" CACHE STRING "The MAC SM encoding to use")
+set_property(CACHE SM_ENCODING_MAC PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected MAC SM_ENCODING: ${SM_ENCODING_MAC}")
+
+# RLC Service Model
+set(SM_ENCODING_RLC "PLAIN" CACHE STRING "The RLC SM encoding to use")
+set_property(CACHE SM_ENCODING_RLC PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected RLC SM_ENCODING: ${SM_ENCODING_RLC}")
+
+# PDCP Service Model
+set(SM_ENCODING_PDCP "PLAIN" CACHE STRING "The PDCP SM encoding to use")
+set_property(CACHE SM_ENCODING_PDCP PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected PDCP SM_ENCODING: ${SM_ENCODING_PDCP}")
+
+# SLICE Service Model
+set(SM_ENCODING_SLICE "PLAIN" CACHE STRING "The SLICE SM encoding to use")
+set_property(CACHE SM_ENCODING_SLICE PROPERTY STRINGS "PLAIN" "ASN" "FLATBUFFERS")
+message(STATUS "Selected SLICE SM_ENCODING: ${SM_ENCODING_SLICE}")
+
+# GTP Service Model
+set(SM_ENCODING_GTP "PLAIN" CACHE STRING "The GTP SM encoding to use")
+set_property(CACHE SM_ENCODING_GTP PROPERTY STRINGS "PLAIN")
+message(STATUS "Selected GTP SM_ENCODING: ${SM_ENCODING_GTP}")
+
+########
+### Flatbuffer 
+########
+set(FlatCC_INCLUDE_DIR "" CACHE STRING "The Flatbuffers include directory")
+set(FlatCC_LIB_DIR "" CACHE STRING "The Flatbuffers lib directory")
+
+if(E2AP_ENCODING STREQUAL "FLATBUFFERS")
+  find_library(FlatCC
+    NAMES flatccrt_d
+    HINTS ${FlatCC_LIB_DIR} 
+    )
+endif()
+
+include_directories(flexric/src)
+add_subdirectory(flexric/src/agent)
+add_subdirectory(flexric/src/lib)
+add_subdirectory(flexric/src/sm)
+add_subdirectory(flexric/src/util)
+add_subdirectory(RAN_FUNCTION)
+