Roll forward to cl/334770381

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I0ddbbb1ee5a66060429acaa425340a08c27ea015

cpp/platform_v2/impl/ios/platform.mm

@@ -0,0 +1,138 @@
+// Copyright 2020 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#include "platform_v2/api/platform.h"
+
+#include <atomic>
+#include <memory>
+
+#include "platform_v2/api/atomic_boolean.h"
+#include "platform_v2/api/atomic_reference.h"
+#include "platform_v2/api/condition_variable.h"
+#include "platform_v2/api/count_down_latch.h"
+#include "platform_v2/api/log_message.h"
+#include "platform_v2/api/mutex.h"
+#include "platform_v2/api/scheduled_executor.h"
+#include "platform_v2/api/submittable_executor.h"
+#include "platform_v2/impl/ios/atomic_boolean.h"
+#include "platform_v2/impl/ios/atomic_reference.h"
+#include "platform_v2/impl/ios/condition_variable.h"
+#include "platform_v2/impl/ios/count_down_latch.h"
+#include "platform_v2/impl/ios/log_message.h"
+#include "platform_v2/impl/ios/multi_thread_executor.h"
+#include "platform_v2/impl/ios/mutex.h"
+#include "platform_v2/impl/ios/scheduled_executor.h"
+#include "platform_v2/impl/ios/single_thread_executor.h"
+#include "platform_v2/impl/shared/file.h"
+#include "absl/memory/memory.h"
+
+namespace location {
+namespace nearby {
+namespace api {
+
+namespace {
+std::string GetPayloadPath(PayloadId payload_id) {
+  return absl::StrCat("/tmp/", payload_id);
+}
+}  // namespace
+
+std::unique_ptr<AtomicBoolean> ImplementationPlatform::CreateAtomicBoolean(bool initial_value) {
+  return absl::make_unique<ios::AtomicBoolean>(initial_value);
+}
+
+std::unique_ptr<AtomicUint32> ImplementationPlatform::CreateAtomicUint32(std::uint32_t value) {
+  return absl::make_unique<ios::AtomicUint32>(value);
+}
+
+std::unique_ptr<CountDownLatch> ImplementationPlatform::CreateCountDownLatch(
+    std::int32_t count) {
+  return absl::make_unique<ios::CountDownLatch>(count);
+}
+
+std::unique_ptr<Mutex> ImplementationPlatform::CreateMutex(Mutex::Mode mode) {
+  if (mode == Mutex::Mode::kRecursive)
+    return absl::make_unique<ios::RecursiveMutex>();
+  else
+    return absl::make_unique<ios::Mutex>(mode == Mutex::Mode::kRegular);
+}
+
+std::unique_ptr<ConditionVariable> ImplementationPlatform::CreateConditionVariable(Mutex* mutex) {
+  return std::unique_ptr<ConditionVariable>(
+      new ios::ConditionVariable(static_cast<ios::Mutex*>(mutex)));
+}
+
+std::unique_ptr<InputFile> ImplementationPlatform::CreateInputFile(PayloadId payload_id,
+                                                                   std::int64_t total_size) {
+  return absl::make_unique<shared::InputFile>(GetPayloadPath(payload_id), total_size);
+}
+
+std::unique_ptr<OutputFile> ImplementationPlatform::CreateOutputFile(PayloadId payload_id) {
+  return absl::make_unique<shared::OutputFile>(GetPayloadPath(payload_id));
+}
+
+std::unique_ptr<LogMessage> ImplementationPlatform::CreateLogMessage(
+    const char* file, int line, LogMessage::Severity severity) {
+  return absl::make_unique<ios::LogMessage>(file, line, severity);
+}
+
+std::unique_ptr<SubmittableExecutor> ImplementationPlatform::CreateSingleThreadExecutor() {
+  return absl::make_unique<ios::SingleThreadExecutor>();
+}
+
+std::unique_ptr<SubmittableExecutor> ImplementationPlatform::CreateMultiThreadExecutor(
+    int max_concurrency) {
+  return absl::make_unique<ios::MultiThreadExecutor>(max_concurrency);
+}
+
+std::unique_ptr<ScheduledExecutor> ImplementationPlatform::CreateScheduledExecutor() {
+  return absl::make_unique<ios::ScheduledExecutor>();
+}
+
+std::unique_ptr<BluetoothAdapter> ImplementationPlatform::CreateBluetoothAdapter() {
+  return std::unique_ptr<BluetoothAdapter>();
+}
+
+std::unique_ptr<BluetoothClassicMedium> ImplementationPlatform::CreateBluetoothClassicMedium(
+    api::BluetoothAdapter& adapter) {
+  return std::unique_ptr<BluetoothClassicMedium>();
+}
+
+std::unique_ptr<BleMedium> ImplementationPlatform::CreateBleMedium(api::BluetoothAdapter& adapter) {
+  return std::unique_ptr<BleMedium>();
+}
+
+std::unique_ptr<ble_v2::BleMedium> ImplementationPlatform::CreateBleV2Medium(
+    api::BluetoothAdapter& adapter) {
+  return std::unique_ptr<ble_v2::BleMedium>();
+}
+
+std::unique_ptr<ServerSyncMedium> ImplementationPlatform::CreateServerSyncMedium() {
+  return std::unique_ptr<ServerSyncMedium>();
+}
+
+std::unique_ptr<WifiMedium> ImplementationPlatform::CreateWifiMedium() {
+  return std::unique_ptr<WifiMedium>();
+}
+
+std::unique_ptr<WifiLanMedium> ImplementationPlatform::CreateWifiLanMedium() {
+   return std::unique_ptr<WifiLanMedium>();
+}
+
+std::unique_ptr<WebRtcMedium> ImplementationPlatform::CreateWebRtcMedium() {
+  return std::unique_ptr<WebRtcMedium>();
+}
+
+}  // namespace api
+}  // namespace nearby
+}  // namespace location