Config.h

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//
// Copyright 2016 - 2026 (C). Alex Robenko. All rights reserved.
//
// SPDX-License-Identifier: MPL-2.0
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 
#pragma once
 
#include <memory>
#include <cstdint>
#include <map>
#include <iosfwd>
#include <vector>
#include <cstdint>
#include <string>
#include <list>
#include <utility>
 
namespace cc_mqttsn_gateway
{
 
class ConfigImpl;
 
class Config
{
public:
 
    using ConfigMap = std::multimap<std::string, std::string>;
 
    using BinaryData = std::vector<std::uint8_t>;
 
    struct PredefinedTopicInfo
    {
        std::string clientId; 
        std::string topic; 
        std::uint16_t topicId = 0; 
    };
 
    using PredefinedTopicsList = std::vector<PredefinedTopicInfo>;
 
    struct AuthInfo
    {
        std::string clientId; 
        std::string username; 
        std::string password; 
    };
 
    using AuthInfosList = std::vector<AuthInfo>;
 
    using TopicIdsRange = std::pair<std::uint16_t, std::uint16_t>;
 
    enum ClientConnectionType
    {
        ClientConnectionType_Udp, 
        ClientConnectionType_ValuesLimit 
    };
 
    enum BrokerConnectionType
    {
        BrokerConnectionType_Tcp, 
        BrokerConnectionType_ValuesLimit 
    };
 
    Config();
 
    ~Config();
 
    void read(std::istream& stream);
 
    const ConfigMap& configMap() const;
 
    std::uint8_t gatewayId() const;
 
    std::uint16_t advertisePeriod() const;
 
    unsigned retryPeriod() const;
 
    unsigned retryCount() const;
 
    const std::string& defaultClientId() const;
 
    std::uint16_t pubOnlyKeepAlive() const;
 
    std::size_t sleepingClientMsgLimit() const;
 
    const PredefinedTopicsList& predefinedTopics() const;
 
    const AuthInfosList& authInfos() const;
 
    TopicIdsRange topicIdAllocRange() const;
 
    const std::string& brokerTcpHostAddress() const;
 
    std::uint16_t brokerTcpHostPort() const;
 
    const std::string& logFile() const;
 
    ClientConnectionType clientConnectionType() const;
 
    BrokerConnectionType brokerConnectionType() const;
 
private:
    std::unique_ptr<ConfigImpl> m_pImpl;
};
 
}  // namespace cc_mqttsn_gateway