Roll forward to cl/314747126

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

cpp/platform/impl/sample/sample_platform.cc

@@ -0,0 +1,152 @@
+// 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 <cstdint>
+
+#include "platform/api/atomic_boolean.h"
+#include "platform/api/atomic_reference_def.h"
+#include "platform/api/ble.h"
+#include "platform/api/ble_v2.h"
+#include "platform/api/bluetooth_adapter.h"
+#include "platform/api/bluetooth_classic.h"
+#include "platform/api/condition_variable.h"
+#include "platform/api/count_down_latch.h"
+#include "platform/api/hash_utils.h"
+#include "platform/api/lock.h"
+#include "platform/api/platform.h"
+#include "platform/api/server_sync.h"
+#include "platform/api/settable_future_def.h"
+#include "platform/api/submittable_executor_def.h"
+#include "platform/api/system_clock.h"
+#include "platform/api/thread_utils.h"
+#include "platform/api/wifi.h"
+#include "platform/cancelable.h"
+#include "platform/impl/sample/atomic_reference_impl.h"
+#include "platform/impl/sample/settable_future_impl.h"
+#include "platform/impl/shared/file_impl.h"
+#include "platform/impl/shared/sample/sample_wifi_medium.h"
+#include "platform/port/string.h"
+#include "platform/ptr.h"
+#include "platform/runnable.h"
+#include "absl/types/any.h"
+
+namespace location {
+namespace nearby {
+namespace platform {
+
+namespace {
+std::string getPayloadPath(std::int64_t payload_id) {
+  return "/tmp/sample-" + std::to_string(payload_id);
+}
+}  // namespace
+
+Ptr<ScheduledExecutor> ImplementationPlatform::createScheduledExecutor() {
+  return Ptr<ScheduledExecutor>{};
+}
+
+Ptr<SubmittableExecutor> ImplementationPlatform::createSingleThreadExecutor() {
+  return Ptr<SubmittableExecutor>{};
+}
+
+Ptr<SubmittableExecutor> ImplementationPlatform::createMultiThreadExecutor(
+    int max_concurrency) {
+  return Ptr<SubmittableExecutor>{};
+}
+
+Ptr<AtomicReference<absl::any>>
+ImplementationPlatform::createAtomicReferenceAny(absl::any initial_value) {
+  return Ptr<AtomicReference<absl::any>>(
+      new AtomicReferenceImpl(initial_value));
+}
+
+Ptr<SettableFuture<absl::any>>
+ImplementationPlatform::createSettableFutureAny() {
+  return Ptr<SettableFuture<absl::any>>(new SettableFutureImpl{});
+}
+
+Ptr<BluetoothAdapter> ImplementationPlatform::createBluetoothAdapter() {
+  return Ptr<BluetoothAdapter>{};
+}
+
+Ptr<WifiMedium> ImplementationPlatform::createWifiMedium() {
+  return Ptr<WifiMedium>();
+}
+
+Ptr<CountDownLatch> ImplementationPlatform::createCountDownLatch(
+    std::int32_t count) {
+  return Ptr<CountDownLatch>{};
+}
+
+Ptr<ThreadUtils> ImplementationPlatform::createThreadUtils() {
+  return Ptr<ThreadUtils>{};
+}
+
+Ptr<SystemClock> ImplementationPlatform::createSystemClock() {
+  return Ptr<SystemClock>{};
+}
+
+Ptr<AtomicBoolean> ImplementationPlatform::createAtomicBoolean(
+    bool initial_value) {
+  return Ptr<AtomicBoolean>{};
+}
+
+Ptr<InputFile> ImplementationPlatform::createInputFile(
+    std::int64_t payload_id, std::int64_t total_size) {
+  return MakePtr(new InputFileImpl(getPayloadPath(payload_id), total_size));
+}
+
+Ptr<OutputFile> ImplementationPlatform::createOutputFile(
+    std::int64_t payload_id) {
+  return MakePtr(new OutputFileImpl(getPayloadPath(payload_id)));
+}
+
+Ptr<BluetoothClassicMedium>
+ImplementationPlatform::createBluetoothClassicMedium() {
+  return Ptr<BluetoothClassicMedium>();
+}
+
+Ptr<BLEMedium> ImplementationPlatform::createBLEMedium() {
+  return Ptr<BLEMedium>();
+}
+
+Ptr<BLEMediumV2> ImplementationPlatform::createBLEMediumV2() {
+  return Ptr<BLEMediumV2>();
+}
+
+Ptr<ServerSyncMedium> ImplementationPlatform::createServerSyncMedium() {
+  return Ptr<ServerSyncMedium>{};
+}
+
+Ptr<WebRtcSignalingMessenger>
+ImplementationPlatform::createWebRtcSignalingMessenger(
+    const std::string& self_id) {
+  return Ptr<WebRtcSignalingMessenger>{};
+}
+
+Ptr<Lock> ImplementationPlatform::createLock() { return Ptr<Lock>{}; }
+
+Ptr<ConditionVariable> ImplementationPlatform::createConditionVariable(
+    Ptr<Lock> lock) {
+  return Ptr<ConditionVariable>{};
+}
+
+Ptr<HashUtils> ImplementationPlatform::createHashUtils() {
+  return Ptr<HashUtils>{};
+}
+
+std::string ImplementationPlatform::getDeviceId() { return "sample"; }
+
+}  // namespace platform
+}  // namespace nearby
+}  // namespace location