virtual int FindByName(const std::string & login, USER_PTR * user) = 0;
virtual bool TariffInUse(const std::string & tariffName) const = 0;
virtual int FindByName(const std::string & login, USER_PTR * user) = 0;
virtual bool TariffInUse(const std::string & tariffName) const = 0;
virtual int FindByIPIdx(uint32_t ip, USER_PTR * user) const = 0;
virtual bool IsIPInIndex(uint32_t ip) const = 0;
virtual int FindByIPIdx(uint32_t ip, USER_PTR * user) const = 0;
virtual bool IsIPInIndex(uint32_t ip) const = 0;
virtual int OpenSearch() = 0;
virtual int SearchNext(int handle, USER_PTR * u) = 0;
virtual int OpenSearch() = 0;
virtual int SearchNext(int handle, USER_PTR * u) = 0;