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// 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.
#ifndef PLATFORM_BASE_NSD_SERVICE_INFO_H_
#define PLATFORM_BASE_NSD_SERVICE_INFO_H_
#include <string>
#include "absl/container/flat_hash_map.h"
namespace location {
namespace nearby {
// https://developer.android.com/reference/android/net/nsd/NsdServiceInfo.html.
class NsdServiceInfo {
public:
static constexpr int kTypeFromServiceIdHashLength = 6;
static constexpr absl::string_view kNsdTypeFormat{"_%s._tcp."};
NsdServiceInfo() = default;
NsdServiceInfo(const NsdServiceInfo&) = default;
NsdServiceInfo& operator=(const NsdServiceInfo&) = default;
NsdServiceInfo(NsdServiceInfo&&) = default;
NsdServiceInfo& operator=(NsdServiceInfo&&) = default;
~NsdServiceInfo() = default;
// Gets the service name.
std::string GetServiceName() const { return service_name_; }
// Sets the service name.
void SetServiceName(std::string service_name) {
service_name_ = std::move(service_name);
}
// Gets the TXTRecord value of the specified TXTRecord key assigned.
std::string GetTxtRecord(const std::string& txt_record_key) const {
if (txt_records_.empty()) return {};
auto record = txt_records_.find(txt_record_key);
if (record == txt_records_.end()) return {};
return record->second;
}
// Adds the TXTRecord with a pair of key and value.
void SetTxtRecord(const std::string& txt_record_key,
const std::string& txt_record_value) {
txt_records_.emplace(txt_record_key, txt_record_value);
}
// Gets all TXTRecord.
absl::flat_hash_map<std::string, std::string> GetTxtRecords() const {
return txt_records_;
}
// Sets all TXTRecord.
void SetTxtRecords(
absl::flat_hash_map<std::string, std::string>& txt_records) {
txt_records_ = txt_records;
}
// Gets IP Address, which is in byte sequence, in network order.
std::string GetIPAddress() const { return ip_address_; }
// Sets IP Address.
void SetIPAddress(const std::string& ip_address) { ip_address_ = ip_address; }
// Gets the port number
int GetPort() const { return port_; }
// Sets the port number.
void SetPort(int port) { port_ = port; }
// Gets the service type.
std::string GetServiceType() const { return service_type_; }
// Sets the service type.
void SetServiceType(const std::string& service_type) {
service_type_ = service_type;
}
bool IsValid() const { return !service_name_.empty(); }
private:
std::string service_name_;
absl::flat_hash_map<std::string, std::string> txt_records_;
std::string ip_address_;
int port_;
std::string service_type_;
};
} // namespace nearby
} // namespace location
#endif // PLATFORM_BASE_NSD_SERVICE_INFO_H_
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