Roll forward to cl/314747126

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: Ie19e006429b138b3768e97dae971a43fdc5ef8bf

cpp/platform_v2/impl/g3/platform.cc

@@ -0,0 +1,166 @@
+// 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/ble.h"
+#include "platform_v2/api/ble_v2.h"
+#include "platform_v2/api/bluetooth_adapter.h"
+#include "platform_v2/api/bluetooth_classic.h"
+#include "platform_v2/api/condition_variable.h"
+#include "platform_v2/api/count_down_latch.h"
+#include "platform_v2/api/mutex.h"
+#include "platform_v2/api/scheduled_executor.h"
+#include "platform_v2/api/server_sync.h"
+#include "platform_v2/api/settable_future.h"
+#include "platform_v2/api/submittable_executor.h"
+#include "platform_v2/api/webrtc.h"
+#include "platform_v2/api/wifi.h"
+#include "platform_v2/impl/g3/atomic_boolean.h"
+#include "platform_v2/impl/g3/atomic_reference_any.h"
+#include "platform_v2/impl/g3/bluetooth_adapter.h"
+#include "platform_v2/impl/g3/bluetooth_classic.h"
+#include "platform_v2/impl/g3/condition_variable.h"
+#include "platform_v2/impl/g3/count_down_latch.h"
+#include "platform_v2/impl/g3/multi_thread_executor.h"
+#include "platform_v2/impl/g3/mutex.h"
+#include "platform_v2/impl/g3/scheduled_executor.h"
+#include "platform_v2/impl/g3/settable_future_any.h"
+#include "platform_v2/impl/g3/single_thread_executor.h"
+#include "platform_v2/impl/g3/webrtc.h"
+#include "platform_v2/impl/shared/file.h"
+#include "absl/base/integral_types.h"
+#include "absl/memory/memory.h"
+#include "absl/time/time.h"
+
+namespace location {
+namespace nearby {
+namespace api {
+
+namespace {
+std::string GetPayloadPath(std::int64_t payload_id) {
+  return "/tmp/" + std::to_string(payload_id);
+}
+}  // namespace
+
+std::unique_ptr<SubmittableExecutor>
+ImplementationPlatform::CreateSingleThreadExecutor() {
+  return absl::make_unique<g3::SingleThreadExecutor>();
+}
+
+std::unique_ptr<SubmittableExecutor>
+ImplementationPlatform::CreateMultiThreadExecutor(int max_concurrency) {
+  return absl::make_unique<g3::MultiThreadExecutor>(max_concurrency);
+}
+
+std::unique_ptr<ScheduledExecutor>
+ImplementationPlatform::CreateScheduledExecutor() {
+  return absl::make_unique<g3::ScheduledExecutor>();
+}
+
+std::unique_ptr<AtomicReference<absl::any>>
+ImplementationPlatform::CreateAtomicReferenceAny(absl::any initial_value) {
+  return absl::make_unique<g3::AtomicReferenceAny>(initial_value);
+}
+
+std::unique_ptr<SettableFuture<absl::any>>
+ImplementationPlatform::CreateSettableFutureAny() {
+  return absl::make_unique<g3::SettableFutureAny>();
+}
+
+std::unique_ptr<BluetoothAdapter>
+ImplementationPlatform::CreateBluetoothAdapter() {
+  return absl::make_unique<g3::BluetoothAdapter>();
+}
+
+std::unique_ptr<CountDownLatch> ImplementationPlatform::CreateCountDownLatch(
+    std::int32_t count) {
+  return absl::make_unique<g3::CountDownLatch>(count);
+}
+
+std::unique_ptr<AtomicBoolean> ImplementationPlatform::CreateAtomicBoolean(
+    bool initial_value) {
+  return absl::make_unique<g3::AtomicBoolean>(initial_value);
+}
+
+std::unique_ptr<InputFile> ImplementationPlatform::CreateInputFile(
+    std::int64_t payload_id, std::int64_t total_size) {
+  return absl::make_unique<shared::InputFile>(GetPayloadPath(payload_id),
+                                              total_size);
+}
+
+std::unique_ptr<OutputFile> ImplementationPlatform::CreateOutputFile(
+    std::int64_t payload_id) {
+  return absl::make_unique<shared::OutputFile>(GetPayloadPath(payload_id));
+}
+
+std::unique_ptr<BluetoothClassicMedium>
+ImplementationPlatform::CreateBluetoothClassicMedium(
+    api::BluetoothAdapter& adapter) {
+  return absl::make_unique<g3::BluetoothClassicMedium>(adapter);
+}
+
+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>(/*new ServerSyncMediumImpl()*/);
+}
+
+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 absl::make_unique<g3::WebRtcMedium>();
+}
+
+std::unique_ptr<Mutex> ImplementationPlatform::CreateMutex(Mutex::Mode mode) {
+  if (mode == Mutex::Mode::kRecursive)
+    return absl::make_unique<g3::RecursiveMutex>();
+  else
+    return absl::make_unique<g3::Mutex>(mode == Mutex::Mode::kRegular);
+}
+
+std::unique_ptr<ConditionVariable>
+ImplementationPlatform::CreateConditionVariable(Mutex* mutex) {
+  return std::unique_ptr<ConditionVariable>(
+      new g3::ConditionVariable(static_cast<g3::Mutex*>(mutex)));
+}
+
+std::string ImplementationPlatform::GetDeviceId() {
+  // TODO(alexchau): Get deviceId from base
+  return "google3";
+}
+
+}  // namespace api
+}  // namespace nearby
+}  // namespace location