mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
// Copyright 2022 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.
|
|
|
|
#ifndef CORE_INTERNAL_SERVICE_ID_CONSTANTS_H_
|
|
#define CORE_INTERNAL_SERVICE_ID_CONSTANTS_H_
|
|
|
|
#include <string>
|
|
|
|
#include "absl/strings/match.h"
|
|
#include "absl/strings/string_view.h"
|
|
#include "absl/strings/strip.h"
|
|
|
|
namespace nearby {
|
|
namespace connections {
|
|
|
|
constexpr absl::string_view kUnknownServiceId = "UNKNOWN_SERVICE";
|
|
|
|
// A suffix appended to service IDs when initiating a bandwidth upgrade to
|
|
// distinguish the mediums from those used for advertising/discovery.
|
|
constexpr absl::string_view kInitiatorUpgradeServiceIdPostfix = "_UPGRADE";
|
|
constexpr absl::string_view kInitiatorReconnectServiceIdPostfix = "_RECONNECT";
|
|
|
|
// Returns true if |service_id| not empty and has the initiator's upgrade
|
|
// postfix.
|
|
inline bool IsInitiatorUpgradeServiceId(absl::string_view service_id) {
|
|
return !service_id.empty() &&
|
|
absl::EndsWith(service_id, kInitiatorUpgradeServiceIdPostfix);
|
|
}
|
|
|
|
// Appends the kInitiatorUpgradeServiceIdPostfix to |service_id| if necessary.
|
|
inline std::string WrapInitiatorUpgradeServiceId(absl::string_view service_id) {
|
|
// If |service_id| is empty or already has the upgrade postfix, do nothing.
|
|
if (service_id.empty() || IsInitiatorUpgradeServiceId(service_id)) {
|
|
return std::string(service_id);
|
|
}
|
|
|
|
return std::string(service_id) +
|
|
std::string(kInitiatorUpgradeServiceIdPostfix);
|
|
}
|
|
|
|
// Returns true if |service_id| not empty and has the initiator's reconnect
|
|
// postfix.
|
|
inline bool IsInitiatorReconnectServiceId(absl::string_view service_id) {
|
|
return !service_id.empty() &&
|
|
absl::EndsWith(service_id, kInitiatorReconnectServiceIdPostfix);
|
|
}
|
|
|
|
// Appends the kInitiatorReconnectServiceIdPostfix to |service_id| if necessary.
|
|
inline std::string WrapInitiatorReconnectServiceId(
|
|
absl::string_view service_id) {
|
|
// If |service_id| is empty or already has the reconnect postfix, do nothing.
|
|
if (service_id.empty() || IsInitiatorReconnectServiceId(service_id)) {
|
|
return std::string(service_id);
|
|
}
|
|
|
|
return std::string(service_id) +
|
|
std::string(kInitiatorReconnectServiceIdPostfix);
|
|
}
|
|
|
|
// Appends the kInitiatorReconnectServiceIdPostfix to |service_id| if necessary.
|
|
inline std::string UnWrapInitiatorReconnectServiceId(
|
|
absl::string_view service_id) {
|
|
// If |service_id| is empty or already has the reconnect postfix, do nothing.
|
|
if (service_id.empty() || !IsInitiatorReconnectServiceId(service_id)) {
|
|
return std::string(service_id);
|
|
}
|
|
|
|
return std::string(
|
|
absl::StripSuffix(service_id, kInitiatorReconnectServiceIdPostfix));
|
|
}
|
|
|
|
} // namespace connections
|
|
} // namespace nearby
|
|
|
|
#endif // CORE_INTERNAL_SERVICE_ID_CONSTANTS_H_
|