Release based on cl/313536507.

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I83ec7dee1a7ef6f4bdfd47482c94d03910525b7e

cpp/core_v2/core.cc

@@ -0,0 +1,121 @@
+// 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 "core_v2/core.h"
+
+#include <cassert>
+#include <vector>
+
+#include "core_v2/options.h"
+#include "platform_v2/public/count_down_latch.h"
+#include "platform_v2/public/logging.h"
+#include "absl/time/clock.h"
+
+namespace location {
+namespace nearby {
+namespace connections {
+
+Core::~Core() {
+  CountDownLatch latch(1);
+  router_.ClientDisconnecting(
+      &client_, {
+                    .result_cb = [&latch](Status) { latch.CountDown(); },
+                });
+  if (!latch.Await(kWaitForDisconnect).result()) {
+    NEARBY_LOG(FATAL, "Unable to shutdown");
+  }
+}
+
+void Core::StartAdvertising(absl::string_view service_id,
+                            ConnectionOptions options,
+                            ConnectionRequestInfo info,
+                            ResultCallback callback) {
+  assert(!service_id.empty());
+  assert(options.strategy.IsValid());
+
+  router_.StartAdvertising(&client_, service_id, options, info, callback);
+}
+
+void Core::StopAdvertising(const ResultCallback callback) {
+  router_.StopAdvertising(&client_, callback);
+}
+
+void Core::StartDiscovery(absl::string_view service_id,
+                          ConnectionOptions options, DiscoveryListener listener,
+                          ResultCallback callback) {
+  assert(!service_id.empty());
+  assert(options.strategy.IsValid());
+
+  router_.StartDiscovery(&client_, service_id, options, listener, callback);
+}
+
+void Core::StopDiscovery(ResultCallback callback) {
+  router_.StopDiscovery(&client_, callback);
+}
+
+void Core::RequestConnection(absl::string_view endpoint_id,
+                             ConnectionRequestInfo info,
+                             ResultCallback callback) {
+  assert(!endpoint_id.empty());
+
+  router_.RequestConnection(&client_, endpoint_id, info, callback);
+}
+
+void Core::AcceptConnection(absl::string_view endpoint_id,
+                            PayloadListener listener, ResultCallback callback) {
+  assert(!endpoint_id.empty());
+
+  router_.AcceptConnection(&client_, endpoint_id, listener, callback);
+}
+
+void Core::RejectConnection(absl::string_view endpoint_id,
+                            ResultCallback callback) {
+  assert(!endpoint_id.empty());
+
+  router_.RejectConnection(&client_, endpoint_id, callback);
+}
+
+void Core::InitiateBandwidthUpgrade(absl::string_view endpoint_id,
+                                    ResultCallback callback) {
+  router_.InitiateBandwidthUpgrade(&client_, endpoint_id, callback);
+}
+
+void Core::SendPayload(absl::Span<const std::string> endpoint_ids,
+                       Payload payload, ResultCallback callback) {
+  assert(payload.GetType() != Payload::Type::kUnknown);
+  assert(!endpoint_ids.empty());
+
+  router_.SendPayload(&client_, endpoint_ids, std::move(payload), callback);
+}
+
+void Core::CancelPayload(std::int64_t payload_id, ResultCallback callback) {
+  assert(payload_id != 0);
+
+  router_.CancelPayload(&client_, payload_id, callback);
+}
+
+void Core::DisconnectFromEndpoint(absl::string_view endpoint_id,
+                                  ResultCallback callback) {
+  assert(!endpoint_id.empty());
+
+  router_.DisconnectFromEndpoint(&client_, endpoint_id, callback);
+}
+
+void Core::StopAllEndpoints(ResultCallback callback) {
+  router_.StopAllEndpoints(&client_, callback);
+}
+
+}  // namespace connections
+}  // namespace nearby
+}  // namespace location