mirror of
https://github.com/kidfromjupiter/nearby.git
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92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
// Copyright 2022 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 "connections/implementation/base_bwu_handler.h"
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#include <string>
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#include <utility>
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#include "connections/implementation/service_id_constants.h"
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#include "internal/platform/logging.h"
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namespace nearby {
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namespace connections {
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BaseBwuHandler::BaseBwuHandler(
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IncomingConnectionCallback incoming_connection_callback)
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: incoming_connection_callback_(std::move(incoming_connection_callback)) {}
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ByteArray BaseBwuHandler::InitializeUpgradedMediumForEndpoint(
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ClientProxy* client, const std::string& service_id,
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const std::string& endpoint_id) {
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std::string upgrade_service_id = WrapInitiatorUpgradeServiceId(service_id);
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// Perform any medium-specific handling in the child class.
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ByteArray upgrade_path_available_frame =
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HandleInitializeUpgradedMediumForEndpoint(client, upgrade_service_id,
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endpoint_id);
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if (!upgrade_path_available_frame.Empty()) {
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upgrade_service_id_to_active_endpoint_ids_[upgrade_service_id].insert(
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endpoint_id);
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}
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return upgrade_path_available_frame;
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}
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void BaseBwuHandler::RevertInitiatorState() {
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for (const auto& pair : upgrade_service_id_to_active_endpoint_ids_) {
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HandleRevertInitiatorStateForService(pair.first);
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}
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upgrade_service_id_to_active_endpoint_ids_.clear();
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}
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void BaseBwuHandler::RevertInitiatorState(const std::string& upgrade_service_id,
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const std::string& endpoint_id) {
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if (!IsInitiatorUpgradeServiceId(upgrade_service_id)) {
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LOG(ERROR) << "BaseBwuHandler::RevertInitiatorState: input service ID "
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<< upgrade_service_id
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<< " is not an BWU initiator ID; ignoring.";
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return;
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}
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auto it = upgrade_service_id_to_active_endpoint_ids_.find(upgrade_service_id);
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if (it == upgrade_service_id_to_active_endpoint_ids_.end() ||
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it->second.empty()) {
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return;
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}
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// If the last endpoint for the service has been reverted, alert the specific
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// medium handler (child class) to perform any clean-up .
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it->second.erase(endpoint_id);
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if (it->second.empty()) {
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upgrade_service_id_to_active_endpoint_ids_.erase(it);
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HandleRevertInitiatorStateForService(upgrade_service_id);
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}
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}
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void BaseBwuHandler::RevertResponderState(const std::string& service_id) {
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HandleRevertInitiatorStateForService(service_id);
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}
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void BaseBwuHandler::NotifyOnIncomingConnection(
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ClientProxy* client, std::unique_ptr<IncomingSocketConnection> connection) {
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if (!incoming_connection_callback_) {
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LOG(WARNING) << "Ignoring incoming connection, no callback registered";
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return;
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}
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incoming_connection_callback_(client, std::move(connection));
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}
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} // namespace connections
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} // namespace nearby
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