cmake_minimum_required(VERSION 3.5)
project(tfe)

set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
include(Version)
include(Package)

add_definitions(-D_GNU_SOURCE)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_C_STANDARD 11)

if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
endif ()

if(NOT CMAKE_BUILD_TYPE)
	set(CMAKE_BUILD_TYPE RelWithDebInfo)
endif()

if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
	set (CMAKE_INSTALL_PREFIX "/opt/tsg/tfe" CACHE PATH "default install path" FORCE )
endif()

# Global compile options
option(ENABLE_PIC "Generate position independent code (necessary for shared libraries)" TRUE)
option(ENABLE_WARNING_ALL "Enable all optional warnings which are desirable for normal code" TRUE)

if(NOT ASAN_OPTION)
    option(ENABLE_SANITIZE_ADDRESS "Enable AddressSanitizer" FALSE)
else()
    option(ENABLE_SANITIZE_ADDRESS "Enable AddressSanitizer" TRUE)
endif()

option(ENABLE_SANITIZE_THREAD "Enable ThreadSanitizer" FALSE)

# Plugins
option(ENABLE_PLUGIN_HTTP "Enable HTTP support" TRUE)
option(ENABLE_PLUGIN_TRAFFIC_MIRROR "Enable traffic mirror" TRUE)
option(ENABLE_PLUGIN_DOH "Enable Doh business" TRUE)
option(ENABLE_PLUGIN_PANGU_HTTP "Enable Pangu-HTTP business" TRUE)
option(ENABLE_PLUGIN_HTTP2 "Enable HTTP2 business" TRUE)
option(ENABLE_PLUGIN_SSL_POLICY "Enable SSL policy support" TRUE)
option(ENABLE_PLUGIN_TCP_POLICY "Enable TCP policy support" TRUE)
option(ENABLE_PLUGIN_CHAINING_POLICY "Enable Chaining policy support" TRUE)

if(ENABLE_PIC)
	set(CMAKE_POSITION_INDEPENDENT_CODE 1)
endif()

find_package(LIBURING)
if (SUPPORT_LIBURING)
	add_definitions(-DSUPPORT_LIBURING=1)
	message(STATUS "Support liburing")
else()
	message(STATUS "Not support liburing")
endif()

find_package(LIBBPF)
if (SUPPORT_BPF)
	add_definitions(-DSUPPORT_BPF=1)
	message(STATUS "Support BPF")
else()
	message(STATUS "Not support BPF")
endif()

if(ENABLE_WARNING_ALL)
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
endif()

if(ENABLE_SANITIZE_ADDRESS)
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
elseif(ENABLE_SANITIZE_THREAD)
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")
	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
endif()

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lelf")

if(ENABLE_SANITIZE_ADDRESS AND ENABLE_SANITIZE_THREAD)
	message(WARNING "Both ENABLE_SANITIZE_ADDRESS and ENABLE_SANITIZE_THREAD set, only ENABLE_SANITIZE_ADDRESS effected.")
endif()

add_custom_target("install-program" COMMAND ${CMAKE_COMMAND} ARGS -DCOMPONENT=Program -P cmake_install.cmake)
add_custom_target("install-profile" COMMAND ${CMAKE_COMMAND} ARGS -DCOMPONENT=Profile -P cmake_install.cmake)

enable_testing()
add_subdirectory(conf)
add_subdirectory(resource)
add_subdirectory(vendor)
add_subdirectory(common)
add_subdirectory(plugin)
add_subdirectory(platform)
add_subdirectory(script)
add_subdirectory(bpf)