platform/BUILD.gn

# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build_overrides/build.gni")

visibility = [ "./*" ]

# Source files that depend on nothing (all your base/ are belong to us).
source_set("base") {
  defines = []
  visibility += [ "*" ]
  public = [
    "base/byte_view.h",
    "base/error.h",
    "base/interface_info.h",
    "base/ip_address.h",
    "base/location.h",
    "base/tls_connect_options.h",
    "base/tls_credentials.h",
    "base/tls_listen_options.h",
    "base/trace_logging_activation.h",
    "base/trace_logging_types.h",
    "base/trivial_clock_traits.h",
    "base/udp_packet.h",
  ]

  sources = [
    "base/error.cc",
    "base/interface_info.cc",
    "base/ip_address.cc",
    "base/location.cc",
    "base/tls_credentials.cc",
    "base/trace_logging_activation.cc",
    "base/trace_logging_types.cc",
    "base/trivial_clock_traits.cc",
    "base/udp_packet.cc",
  ]

  public_configs = [ "../build:openscreen_include_dirs" ]
}

# Public API source files. May depend on nothing except :base.
source_set("logging") {
  defines = []
  visibility += [ "../util/*" ]

  public = [ "api/logging.h" ]

  public_deps = [ ":base" ]
}

# Public API source files. These may depend on nothing except :base.
source_set("api") {
  defines = []
  visibility += [ "*" ]
  public = [
    "api/export.h",
    "api/network_interface.h",
    "api/scoped_wake_lock.h",
    "api/serial_delete_ptr.h",
    "api/task_runner.h",
    "api/time.h",
    "api/tls_connection.h",
    "api/tls_connection_factory.h",
    "api/trace_event.h",
    "api/trace_logging_platform.h",
    "api/udp_socket.h",
  ]
  sources = [
    "api/scoped_wake_lock.cc",
    "api/tls_connection.cc",
    "api/tls_connection_factory.cc",
    "api/trace_event.cc",
    "api/trace_logging_platform.cc",
    "api/udp_socket.cc",
  ]

  public_deps = [
    ":base",
    ":logging",
  ]
}

# The following target is only activated in standalone builds (see :platform).
if (!build_with_chromium) {
  source_set("standalone_impl") {
    defines = []
    visibility += [ "../*" ]
    public = [
      "impl/logging.h",
      "impl/network_interface.h",
      "impl/task_runner.h",
      "impl/text_trace_logging_platform.h",
    ]
    sources = [
      "impl/network_interface.cc",
      "impl/socket_handle.h",
      "impl/socket_handle_waiter.cc",
      "impl/socket_handle_waiter.h",
      "impl/socket_state.h",
      "impl/stream_socket.h",
      "impl/task_runner.cc",
      "impl/text_trace_logging_platform.cc",
      "impl/time.cc",
      "impl/tls_write_buffer.cc",
      "impl/tls_write_buffer.h",
    ]

    public_configs = [ "//util:trace_logging_config" ]

    if (is_linux) {
      sources += [
        "impl/network_interface_linux.cc",
        "impl/scoped_wake_lock_linux.cc",
        "impl/scoped_wake_lock_linux.h",
      ]
    } else if (is_mac) {
      defines += [
        # Required, to use the new IPv6 Sockets options introduced by RFC 3542.
        "__APPLE_USE_RFC_3542",
      ]

      frameworks = [
        "CoreFoundation.framework",
        "IOKit.framework",
      ]

      sources += [
        "impl/network_interface_mac.cc",
        "impl/scoped_wake_lock_mac.cc",
        "impl/scoped_wake_lock_mac.h",
      ]
    }

    if (is_posix) {
      public += [ "impl/platform_client_posix.h" ]
      sources += [
        "impl/logging_posix.cc",
        "impl/logging_test.h",
        "impl/platform_client_posix.cc",
        "impl/scoped_pipe.h",
        "impl/socket_address_posix.cc",
        "impl/socket_address_posix.h",
        "impl/socket_handle_posix.cc",
        "impl/socket_handle_posix.h",
        "impl/socket_handle_waiter_posix.cc",
        "impl/socket_handle_waiter_posix.h",
        "impl/stream_socket_posix.cc",
        "impl/stream_socket_posix.h",
        "impl/timeval_posix.cc",
        "impl/timeval_posix.h",
        "impl/tls_connection_factory_posix.cc",
        "impl/tls_connection_factory_posix.h",
        "impl/tls_connection_posix.cc",
        "impl/tls_connection_posix.h",
        "impl/tls_data_router_posix.cc",
        "impl/tls_data_router_posix.h",
        "impl/udp_socket_posix.cc",
        "impl/udp_socket_posix.h",
        "impl/udp_socket_reader_posix.cc",
        "impl/udp_socket_reader_posix.h",
      ]
    }

    deps = [
      ":api",
      "../third_party/abseil",
      "../third_party/boringssl",
      "../util",
    ]
    friend = [ ":unittests" ]
  }
}

# The main target, which either assumes an embedder will link-in the platform
# API implementation elsewhere, or links-in the :standalone_impl in the build.
source_set("platform") {
  visibility += [ "*" ]
  public_deps = [ ":api" ]
  if (!build_with_chromium) {
    deps = [ ":standalone_impl" ]
  }
}

# Test helpers, referenced in other Open Screen BUILD.gn test targets.
source_set("test") {
  testonly = true
  visibility += [ "../*" ]
  public = [
    "test/fake_clock.h",
    "test/fake_task_runner.h",
    "test/fake_udp_socket.h",
    "test/mock_tls_connection.h",
    "test/mock_udp_socket.h",
    "test/paths.h",
    "test/trace_logging_helpers.h",
  ]
  sources = [
    "test/fake_clock.cc",
    "test/fake_task_runner.cc",
    "test/fake_udp_socket.cc",
    "test/paths_internal.h",
  ]

  if (is_posix) {
    sources += [ "test/paths_posix.cc" ]
  }
  if (is_linux) {
    sources += [ "test/paths_internal_linux.cc" ]
  } else if (is_mac) {
    sources += [ "test/paths_internal_mac.cc" ]
  } else if (build_with_chromium) {
    # NOTE: This is used to resolve a linking issue when compiling in Chromium
    # for other platforms, but nothing in here is called.
    sources += [ "test/paths_internal_other.cc" ]
  }

  public_deps = [
    ":api",
    ":base",
  ]

  deps = [
    ":platform",
    "../third_party/abseil",
    "../third_party/googletest:gmock",
    "../util",
  ]
}

source_set("unittests") {
  testonly = true
  visibility += [ "..:openscreen_unittests_all" ]
  public = []
  sources = [
    "api/serial_delete_ptr_unittest.cc",
    "api/time_unittest.cc",
    "base/byte_view_unittest.cc",
    "base/error_unittest.cc",
    "base/ip_address_unittest.cc",
    "base/location_unittest.cc",
    "base/udp_packet_unittest.cc",
  ]

  deps = [
    ":platform",
    ":test",
    "../third_party/abseil",
    "../third_party/boringssl",
    "../third_party/googletest:gmock",
    "../third_party/googletest:gtest",
    "../util",
  ]

  # The socket integration tests assume that you can Bind with UDP sockets,
  # which is simply not true when we are built inside of Chromium.
  if (!build_with_chromium) {
    sources += [ "api/socket_integration_unittest.cc" ]

    deps += [ ":standalone_impl" ]
  }

  # The unit tests in impl/ assume the standalone implementation is being used.
  # Exclude them if an embedder is providing the implementation.
  if (!build_with_chromium) {
    sources += [
      "impl/task_runner_unittest.cc",
      "impl/time_unittest.cc",
    ]

    if (is_posix) {
      sources += [
        "impl/logging_unittest.cc",
        "impl/scoped_pipe_unittest.cc",
        "impl/socket_address_posix_unittest.cc",
        "impl/socket_handle_waiter_posix_unittest.cc",
        "impl/timeval_posix_unittest.cc",
        "impl/tls_data_router_posix_unittest.cc",
        "impl/tls_write_buffer_unittest.cc",
        "impl/udp_socket_reader_posix_unittest.cc",
      ]
    }
  }
}