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       = "ocmServer";
const std::string CONFIG_DEFAULT_FILENAME       = "ocs/ocmServerCfg.yaml";
const std::string CONFIG_DEFAULT_SCXML_FILENAME = "ocmServerSm.xml";
const std::string CONFIG_DEFAULT_LOGLEVEL       = "INFO";
const std::string CONFIG_DEFAULT_DB_ENDPOINT    = "127.0.0.1:6379";
const int CONFIG_DEFAULT_DB_TIMEOUT_SEC         = 2;
const std::string CONFIG_DEFAULT_REQ_ENDPOINT   = "tcp://*:5577";

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& GetDbEndpoint() const;

    const timeval GetDbTimeout() const;

    const std::string& GetSmScxmlFilename() const;

    const std::string& GetConfigFilename() const;

    const std::string& GetProcName() const;

    const std::string& GetLogLevel() 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_config_filename;
    std::string m_scxml_filename;
    std::string m_db_host_endpoint;
    int         m_db_timeout_sec;
    std::string m_req_endpoint;
};

}  // namespace server

#endif  // SERVER_CONFIG_HPP_