mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
Janusz Sobczak
f0d36f8d8d
Use explicit StopBroadcast API instead of a callback in BoroadcastSession. PiperOrigin-RevId: 491759852
108 lines
3.8 KiB
C++
108 lines
3.8 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "presence/implementation/service_controller_impl.h"
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#include <memory>
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#include <string>
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#include <utility>
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#include "absl/random/random.h"
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#include "absl/status/status.h"
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#include "absl/status/statusor.h"
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#include "internal/platform/implementation/ble_v2.h"
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#include "presence/data_types.h"
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#include "presence/implementation/advertisement_factory.h"
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#include "presence/implementation/base_broadcast_request.h"
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#include "presence/implementation/mediums/advertisement_data.h"
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#include "presence/status.h"
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namespace nearby {
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namespace presence {
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namespace {
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using ::location::nearby::api::ble_v2::BleOperationStatus;
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using AdvertisingCallback =
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::location::nearby::api::ble_v2::BleMedium::AdvertisingCallback;
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using AdvertisingSession =
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::location::nearby::api::ble_v2::BleMedium::AdvertisingSession;
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Status ConvertBleStatus(BleOperationStatus status) {
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return status == BleOperationStatus::kSucceeded
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? Status{Status::Value::kSuccess}
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: Status{Status::Value::kError};
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}
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} // namespace
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std::unique_ptr<ScanSession> ServiceControllerImpl::StartScan(
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ScanRequest scan_request, ScanCallback callback) {
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return scan_manager_.StartScan(scan_request, callback);
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}
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absl::StatusOr<BroadcastSessionId> ServiceControllerImpl::StartBroadcast(
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BroadcastRequest broadcast_request, BroadcastCallback callback) {
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absl::StatusOr<BaseBroadcastRequest> request =
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BaseBroadcastRequest::Create(broadcast_request);
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if (!request.ok()) {
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NEARBY_LOGS(WARNING) << "Invalid broadcast request, reason: "
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<< request.status();
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callback.start_broadcast_cb(Status{Status::Value::kError});
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return request.status();
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}
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absl::StatusOr<AdvertisementData> advertisement =
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AdvertisementFactory(&credential_manager_).CreateAdvertisement(*request);
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if (!advertisement.ok()) {
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NEARBY_LOGS(WARNING) << "Can't create advertisement, reason: "
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<< advertisement.status();
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callback.start_broadcast_cb(Status{Status::Value::kError});
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return advertisement.status();
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}
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std::unique_ptr<AdvertisingSession> session =
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mediums_.GetBle().StartAdvertising(
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*advertisement, broadcast_request.power_mode,
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AdvertisingCallback{.start_advertising_result =
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[callback](BleOperationStatus status) {
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callback.start_broadcast_cb(
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ConvertBleStatus(status));
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}});
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if (!session) {
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callback.start_broadcast_cb(Status{Status::Value::kError});
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return absl::UnavailableError("Failed to start broadcasting");
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}
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BroadcastSessionId id = GenerateBroadcastSessionId();
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sessions_.insert({id, Session{.advertising_session = std::move(session)}});
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return id;
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}
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void ServiceControllerImpl::StopBroadcast(BroadcastSessionId id) {
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auto it = sessions_.find(id);
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if (it != sessions_.end()) {
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it->second.advertising_session->stop_advertising();
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sessions_.erase(it);
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} else {
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NEARBY_LOGS(WARNING) << absl::StrFormat(
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"BroadcastSessionId(0x%x) not found", id);
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}
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}
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BroadcastSessionId ServiceControllerImpl::GenerateBroadcastSessionId() {
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return absl::Uniform<BroadcastSessionId>(bit_gen_);
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}
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} // namespace presence
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} // namespace nearby
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