# Copyright (C) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build/ohos.gni")
import("./hiperf.gni")

declare_args() {
  hiperf_feature_mingw_uapi_dir =
      "../../kernel/linux/patches/linux-5.10/prebuilts/usr/include"
}

function_disable_define = []

config("hiperf_inner_config") {
  visibility = [ ":*" ]
  ldflags = []
  cflags = code_check_flag
  defines = function_disable_define

  if (hiperf_code_analyze && is_ohos) {
    cflags += code_analyze_flag
    cflags -= [ "-Werror" ]
  }

  if (is_mingw) {
    # lld: error: unable to find library -latomic
    # lld: error: unable to find library -ldl
    # lld: error: unable to find library -lrt
    ldflags += [
      "-Wl,--whole-archive",
      "-lpthread",
      "-Wl,--no-whole-archive",
    ]
  } else if (is_linux) {
    ldflags += [
      "-Wl,--whole-archive",
      "-lpthread",
      "-latomic",
      "-ldl",
      "-lrt",
      "-Wl,--no-whole-archive",
    ]
  }

  include_dirs = [ "${hiperf_path}/include" ]

  # debug link
  # ldflags += [ "-v"]

  if (hiperf_debug) {
    defines += [
      "HIPERF_DEBUG",
      "HIPERF_DEBUG_PRINTF",  # if u want to see printf in the log ?
    ]
  }

  if (hiperf_check_time) {
    defines += [ "HIPERF_DEBUG_TIME" ]
  }

  cflags += [ "-std=c++17" ]
  defines += [ "is_mingw=${is_mingw}" ]
  defines += [ "is_linux=${is_linux}" ]
  defines += [ "is_ohos=${is_ohos}" ]
  defines += [ "is_double_framework=${is_double_framework}" ]
  if (hiperf_target_host) {
    defines += [ "target_cpu_${host_cpu}" ]
  } else {
    defines += [ "target_cpu_${target_cpu}" ]
  }

  if (is_mingw) {
    cflags += [ "-includeMingW64Fix.h" ]
    defines += [ "WIN32_LEAN_AND_MEAN" ]
    defines += [ "__LITTLE_ENDIAN_BITFIELD" ]

    include_dirs += [
      "${hiperf_path}/include/nonlinux/",
      hiperf_feature_mingw_uapi_dir,
    ]
  }

  if (hiperf_test_coverage && is_ohos) {
    cflags += [
      "-fprofile-arcs",
      "-ftest-coverage",
    ]
    ldflags += [ "--coverage" ]
  }
}

sources_platform_common = [
  "./src/perf_file_format.cpp",
  "./src/command.cpp",
  "./src/subcommand.cpp",
  "./src/option.cpp",
  "./src/utilities.cpp",
  "./src/symbols_file.cpp",
  "./src/virtual_runtime.cpp",
  "./src/virtual_thread.cpp",
  "./src/perf_file_reader.cpp",
  "./src/perf_event_record.cpp",
  "./src/dwarf_encoding.cpp",
  "./src/elf_file.cpp",
  "./src/elf_header.cpp",
  "./src/section_header.cpp",
  "./src/program_header.cpp",
  "./src/elf_symbol.cpp",
  "./src/subcommand_help.cpp",
  "./src/subcommand_dump.cpp",
  "./src/subcommand_report.cpp",
  "./src/report.cpp",
  "./src/report_json_file.cpp",
  "./src/register.cpp",
  "./src/callstack.cpp",
]

if (hiperf_debug) {
  sources_platform_common += [
    "./src/debug_logger.cpp",
    "./src/option_debug.cpp",
  ]
}

sources_platform_linux = [
  "./src/perf_events.cpp",
  "./src/tracked_command.cpp",
  "./src/ring_buffer.cpp",
  "./src/perf_file_writer.cpp",
  "./src/subcommand_stat.cpp",
  "./src/subcommand_record.cpp",
  "./src/subcommand_list.cpp",
]

common_deps = [
  ":support_elf",
  ":support_libunwind",
  ":support_protobuf",
  "//third_party/bounds_checking_function:libsec_static",
  "//third_party/zlib:libz",
]

if (!hiperf_use_libunwind) {
  common_deps -= [ ":support_libunwind" ]
}

if (is_ohos) {
  common_deps += [ "//third_party/bounds_checking_function:libsec_shared" ]
  common_deps -= [ "//third_party/bounds_checking_function:libsec_static" ]
}

if (hiperf_target_static) {
  common_deps -= [ ":support_protobuf" ]
}

common_configs = [
  ":hiperf_inner_config",
  "//third_party/bounds_checking_function:libsec_public_config",
  "../../commonlibrary/c_utils/base:utils_config",
  "//third_party/googletest:gtest_config",
]

config("hiperf_syspara_config") {
  defines = [ "CONFIG_HAS_SYSPARA" ]
}

if (is_ohos && hiperf_use_syspara) {
  common_configs += [ ":hiperf_syspara_config" ]
}

ohos_source_set("hiperf_platform_common") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  use_exceptions = true
  public_deps = common_deps
  public_configs = common_configs
  defines = []

  if (is_ohos) {
    external_deps = [
      "bundle_framework:appexecfwk_base",
      "bundle_framework:appexecfwk_core",
      "c_utils:utils",
      "hilog:libhilog",
      "init:libbegetutil",
      "ipc:ipc_core",
      "samgr:samgr_proxy",
    ]
  } else {
    defines += [ "CONFIG_NO_HILOG" ]
  }
  sources = sources_platform_common
}

config("platform_linux_config") {
  defines = [ "SUPPORT_PERF_EVENT" ]
}

ohos_source_set("hiperf_platform_linux") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  use_exceptions = true
  public_deps = common_deps
  public_configs = common_configs

  if (is_ohos) {
    external_deps = [ "init:libbegetutil" ]
  }

  public_configs += [ ":platform_linux_config" ]
  configs = [ "interfaces/innerkits/native:hiperf_client_config" ]

  sources = sources_platform_linux
}

config("unwind_config") {
  defines = [ "HAVE_LIBUNWIND=1" ]
}

ohos_source_set("support_libunwind") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  public_configs = common_configs
  public_configs += [ ":unwind_config" ]
  if (hiperf_target_host) {
    public_deps = [ "//third_party/libunwind:unwind_source_${host_cpu}" ]
  } else {
    if (target_cpu == "arm64") {
      public_deps = [ "//third_party/libunwind:unwind_source_arm64_opt" ]
    } else {
      public_deps = [ "//third_party/libunwind:unwind_source_${target_cpu}" ]
    }
  }
}

config("elf_config") {
}
ohos_source_set("support_elf") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  public_configs = common_configs
  public_configs += [ ":elf_config" ]
}

config("protobuf_config") {
  defines = [ "HAVE_PROTOBUF=1" ]
  include_dirs = [
    "//third_party/protobuf/src",
    "//third_party/protobuf/src/google",
    "//third_party/protobuf/src/google/protobuf",
  ]
}

ohos_source_set("support_protobuf") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  use_exceptions = true

  #protobuf
  public_configs = common_configs
  public_configs += [ ":protobuf_config" ]
  public_deps = [
    ":proto_file_cpp",
    "//third_party/bounds_checking_function:libsec_static",
  ]

  sources = [ "./src/report_protobuf_file.cpp" ]
}

#protobuf {
proto_file_defines = [
  # add your proto file here
  "report_sample",
]

proto_base_dir = "proto"
proto_out_dir = "$target_gen_dir" + "/" + proto_base_dir

proto_file_codegen = []
proto_file_sources = []

foreach(proto_file, proto_file_defines) {
  proto_file_codegen += [
    "$proto_out_dir" + "/" + "$proto_file.pb.h",
    "$proto_out_dir" + "/" + "$proto_file.pb.cc",
  ]
  proto_file_sources += [ "$proto_base_dir" + "/" + "$proto_file.proto" ]
}

# this is so bad , but someone config the protoc's subsystem_name
# the better way is build system need provider host tools path or prebuild tools path
protoc_subsystem_out_path = "thirdparty/protobuf"

if (default_toolchain == current_toolchain) {
  #if target build
  host_out_path = "/" + get_label_info(host_toolchain, "name")
} else {
  #if host build (for some linke mingw)
  host_out_path = "/../" + get_label_info(host_toolchain, "name")
}
host_protoc_path =
    root_out_dir + host_out_path + "/" + protoc_subsystem_out_path + "/protoc"

action("hiperf_host_build_proto") {
  deps = [ "//third_party/protobuf:protoc(//build/toolchain/linux:clang_x64)" ]
  args = []
  outputs = proto_file_codegen
  sources = []
  script = "proto/build_proto.sh"

  args += [ rebase_path(host_protoc_path) ]
  args += [
    "--proto_path",
    rebase_path(proto_base_dir),
  ]
  args += [
    "--cpp_out",
    rebase_path(proto_out_dir),
  ]

  foreach(proto_file_source, proto_file_sources) {
    #tell gn to check which files as source time
    sources += [ rebase_path(proto_file_source) ]
    args += [ rebase_path(proto_file_source) ]
  }
}

config("proto_file_cpp_config") {
  include_dirs = [ proto_out_dir ]
}

ohos_source_set("proto_file_cpp") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  cflags = []

  deps = [ ":hiperf_host_build_proto" ]
  public_deps = [ "//third_party/protobuf:protobuf_lite_static" ]

  sources = proto_file_codegen
  public_configs = [ ":proto_file_cpp_config" ]
}

#protobuf }

ohos_executable("hiperf") {
  install_enable = true
  sources = [ "./src/main.cpp" ]
  deps = [
    ":hiperf_etc",
    ":hiperf_platform_common",
    ":hiperf_platform_linux",
  ]

  if (hiperf_target_static) {
    static_link = true
  }

  if (is_linux || is_mingw) {
    # ld.lld: error: attempted static link of dynamic object hiviewdfx/hilog_native/libhilog.so
    static_link = true
  }

  subsystem_name = "developtools"
  part_name = "hiperf"
}

ohos_executable("hiperf_host") {
  sources = [ "./src/main.cpp" ]
  deps = [ ":hiperf_platform_common" ]

  if (use_musl) {
    static_link = true
  }

  subsystem_name = "developtools"
  part_name = "hiperf"
}

ohos_prebuilt_etc("hiperf.para") {
  source = "etc/hiperf.para"
  install_images = [
    "system",
    "updater",
  ]
  module_install_dir = "etc/param"
  part_name = "hiperf"
  subsystem_name = "developtools"
}

ohos_prebuilt_etc("hiperf.para.dac") {
  source = "etc/hiperf.para.dac"
  install_images = [
    "system",
    "updater",
  ]
  module_install_dir = "etc/param"
  part_name = "hiperf"
  subsystem_name = "developtools"
}

ohos_prebuilt_etc("hiperf.cfg") {
  source = "etc/hiperf.cfg"
  relative_install_dir = "init"
  subsystem_name = "developtools"
  part_name = "hiperf"
}

group("hiperf_etc") {
  deps = [
    ":hiperf.cfg",
    ":hiperf.para",
    ":hiperf.para.dac",
  ]
}

ohos_source_set("hiperf_platform_host") {
  part_name = "hiperf"
  subsystem_name = "developtools"
  sources = [ "./src/hiperf_libreport.cpp" ]
  public_deps = [ ":hiperf_platform_common" ]
}

ohos_shared_library("hiperf_host_lib") {
  public_deps = [ ":hiperf_platform_host" ]
  output_name = "hiperf_report"

  ldflags = [ "-static-libstdc++" ]

  subsystem_name = "developtools"
  part_name = "hiperf"
}

ohos_executable("hiperf_host_lib_demo") {
  sources = [ "./src/hiperf_libreport_demo.cpp" ]
  deps = [ ":hiperf_host_lib" ]
  include_dirs = [ "${hiperf_path}/include" ]

  subsystem_name = "developtools"
  part_name = "hiperf"
}

ohos_copy("hiperf_host_python") {
  sources = [ "./script" ]
  outputs = [ target_out_dir + "/host/" ]

  module_source_dir = target_out_dir + "/$target_name"
  module_install_name = ""
  subsystem_name = "developtools"
  part_name = "hiperf"
}

ohos_source_set("hiperf_code_analyze") {
  part_name = "hiperf"
  deps = [
    ":hiperf_platform_common",
    ":hiperf_platform_linux",
  ]
}

group("hiperf_target") {
  if (hiperf_target_host) {
    deps = [ ":hiperf(${host_toolchain})" ]
  } else {
    deps = [ ":hiperf" ]
  }
}

group("hiperf_test_target") {
  testonly = true
  deps = [ "test:hiperf_test" ]
}

group("hiperf_target_all") {
  if (!is_emulator) {
    if (is_double_framework) {
      deps = [ ":hiperf_target" ]
    } else {
      deps = []
      if (!use_libfuzzer) {
        deps += [
          ":hiperf_host(//build/toolchain/linux:clang_x64)",  # host linux
          ":hiperf_host(//build/toolchain/mingw:mingw_x86_64)",  # host mingw
          ":hiperf_host_lib(//build/toolchain/linux:clang_x64)",  # host linux
          ":hiperf_host_lib(//build/toolchain/mingw:mingw_x86_64)",  # host_mingw
          ":hiperf_host_lib_demo(//build/toolchain/linux:clang_x64)",  # host_linux
          ":hiperf_host_python",
        ]
      }
      deps += [
        ":hiperf_target",
        "interfaces/innerkits/native:hiperf_client",  # c++ api
      ]
      if (is_ohos) {
        deps += [ "interfaces/kits/js/napi:hiperf_client_napi" ]  # js api
      }
    }
  }
}

group("hiperf_demo") {
  if (hiperf_target_host) {
    deps = [ "demo/cpp:hiperf_demo(${host_toolchain})" ]
  } else {
    deps = [ "demo/cpp:hiperf_demo" ]
  }
}

group("hiperf_example_cmd") {
  if (hiperf_target_host) {
    deps = [ "demo/cpp:hiperf_example_cmd(${host_toolchain})" ]
  } else {
    deps = [ "demo/cpp:hiperf_example_cmd" ]
  }
}

group("hiperf_all") {
  testonly = true
  if (hiperf_code_analyze) {
    deps = [ ":hiperf_code_analyze" ]
  } else {
    deps = [
      ":hiperf_example_cmd",
      ":hiperf_target_all",
    ]
    if (!is_double_framework) {
      deps += [
        ":hiperf_demo",
        ":hiperf_test_target",
      ]
    }
  }
}