config.hpp

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#ifndef SERVER_CONFIG_HPP_
#define SERVER_CONFIG_HPP_

#include <yaml-cpp/yaml.h>

#include <string>

namespace server {

const std::string CONFIG_DEFAULT_PROCNAME = "radServer";
const std::string CONFIG_DEFAULT_FILENAME = "radServer/config.yaml";
const std::string CONFIG_DEFAULT_SCXML_FILENAME = "radServer/Simple.xml";
const std::string CONFIG_DEFAULT_SCXML_APPEND_FILENAME = "radServer/SimpleAppend.xml";
const std::string CONFIG_DEFAULT_LOG_LEVEL = "INFO";
const std::string CONFIG_DEFAULT_LOG_PROPERTIES = "radServer/log.properties";
const std::string CONFIG_DEFAULT_DB_ENDPOINT = "127.0.0.1:6379";
const int CONFIG_DEFAULT_DB_TIMEOUT = 2;  // sec
const std::string CONFIG_DEFAULT_REQ_ENDPOINT = "tcp://*:5577";
const std::string CONFIG_DEFAULT_SUB_ENDPOINT = "tcp://127.0.0.1::5560";

const std::string CONFIG_ENVVAR_DBHOST = "DB_HOST";

class Config {
   public:
    Config();
    virtual ~Config();

    bool ParseOptions(int argc, char* argv[]);

    void LoadConfig(const std::string& filename = "");

    const std::string& GetMsgReplierEndpoint() const;
    const std::string& GetMsgSubEndpoint() const;

    const std::string& GetDbEndpoint() const;
    const timeval GetDbTimeout() const;

    const std::string& GetSmScxmlFilename() const;
    const std::string& GetSmScxmlAppendFilename() const;

    const std::string& GetConfigFilename() const;
    const std::string& GetProcName() const;
    const std::string& GetLogLevel() const;
    const std::string& GetLogProperties() const;

    Config(const Config&) = delete;             
    Config& operator=(const Config&) = delete;  

   private:
    YAML::Node m_config_node;

    std::string m_proc_name;
    std::string m_log_level;
    std::string m_log_properties;
    std::string m_config_filename;
    std::string m_scxml_filename;
    std::string m_scxml_append_filename;
    std::string m_db_host_endpoint;
    int m_db_timeout_sec;
    std::string m_req_endpoint;
    std::string m_sub_endpoint;
};

}  // namespace server

#endif  // SERVER_CONFIG_HPP_