# 默认配置选项
# ######################################################################################################################

include("${CMAKE_CURRENT_LIST_DIR}/FetchDependeny.cmake")
include(IncludeDirectoryRecurse)
include(EchoWithColor)

# atbus 选项
set(ATBUS_MACRO_BUSID_TYPE
    "uint64_t"
    CACHE STRING "busid type")
set(ATBUS_MACRO_DATA_NODE_SIZE
    256
    CACHE STRING "node size of (shared) memory channel(must be power of 2)")
set(ATBUS_MACRO_DATA_ALIGN_SIZE
    16
    CACHE STRING "memory align size, most architecture require to padding to 16")
set(ATBUS_MACRO_DATA_MAX_PROTECT_SIZE
    16384
    CACHE STRING "max protected node size for mem/shm channel")

# By now, other component in io_stream_connection cost 472 bytes, make_shared will also cost some memory. we hope one
# connection will cost no more than 8KB, so 100K connections will cost no more than 800MB memory so we use 7KB for small
# message buffer, and left about 500 Bytes in future use. This can be 512 or smaller (but not smaller than 32), but in
# most server environment, memory is cheap and there are only few connections between server and server.
set(ATBUS_MACRO_DATA_SMALL_SIZE
    7168
    CACHE STRING
          "small message buffer for io_stream channel(used to reduce memory copy when there are many small messages)")

set(ATBUS_MACRO_HUGETLB_SIZE
    4194304
    CACHE STRING "huge page size in shared memory channel(unused now)")
set(ATBUS_MACRO_MESSAGE_LIMIT
    2097152
    CACHE STRING "message size hard limit")
set(ATBUS_MACRO_MAX_FRAME_HEADER
    1024
    CACHE STRING "message header size limit")
set(ATBUS_MACRO_CONNECTION_CONFIRM_TIMEOUT
    30
    CACHE STRING "connection confirm timeout")
set(ATBUS_MACRO_CONNECTION_BACKLOG
    256
    CACHE STRING "tcp backlog")
set(ATBUS_MACRO_SHM_MEM_CHANNEL_LENGTH
    167510016
    CACHE STRING "channel size for shm/mem channel")
set(ATBUS_MACRO_IOS_SEND_BUFFER_LENGTH
    4194304
    CACHE STRING "send buffer size for iostream channel")

math(EXPR ATFRAMEWORK_ATBUS_ABI_NUMBER "${LIBATBUS_VERSION_MAJOR}*1000+${LIBATBUS_VERSION_MINOR}")
set(ATFRAMEWORK_ATBUS_ABI_TAG "v${ATFRAMEWORK_ATBUS_ABI_NUMBER}" CACHE STRING "libatbus ABI tag")

option(ATBUS_MACRO_ABORT_ON_PROTECTED_ERROR "abort when any inner error found." OFF)

option(ATFRAMEWORK_USE_DYNAMIC_LIBRARY "Build and linking with dynamic libraries." OFF)

# libuv选项
set(LIBUV_ROOT
    ""
    CACHE STRING "libuv root directory")

# 测试配置选项
set(GTEST_ROOT
    ""
    CACHE STRING "GTest root directory")
set(BOOST_ROOT
    ""
    CACHE STRING "Boost root directory")
option(PROJECT_TEST_ENABLE_BOOST_UNIT_TEST "Enable boost unit test." OFF)

# find if we have Unix Sock
include(CheckIncludeFiles)
check_include_files("sys/un.h;sys/socket.h" ATBUS_MACRO_WITH_UNIX_SOCK)