config.hpp

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#ifndef HELLOMAL_CONFIG_HPP_
#define HELLOMAL_CONFIG_HPP_
 
#include <yaml-cpp/yaml.h>
 
#include <string>
 
namespace hellomal {
 
const std::string CONFIG_DEFAULT_PROCNAME       = "hellomal";
const std::string CONFIG_DEFAULT_FILENAME       = "";
const std::string CONFIG_DEFAULT_SCXML_FILENAME = "hellomal/sm.xml";
const std::string CONFIG_DEFAULT_LOGLEVEL       = "INFO";
const std::string CONFIG_DEFAULT_LOG_PROPERTIES = "hellomal/log.properties";
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   = "zpb.rr://127.0.0.1:12081/";
 
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;
 
    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_db_host_endpoint;
    int         m_db_timeout_sec;
    std::string m_req_endpoint;
};
 
}  // namespace hellomal
 
#endif  // HELLOMAL_CONFIG_HPP_