// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ /* ###################################################################### SRV record support ##################################################################### */ /*}}}*/ #ifndef SRVREC_H #define SRVREC_H #include <arpa/nameser.h> #include <vector> #include <string> class SrvRec { public: std::string target; u_int16_t priority; u_int16_t weight; u_int16_t port; // each server is assigned a interval [start, end] in the space of [0, max] int random_number_range_start; int random_number_range_end; int random_number_range_max; bool operator<(SrvRec const &other) const { return this->priority < other.priority; } bool operator==(SrvRec const &other) const; SrvRec(std::string const Target, u_int16_t const Priority, u_int16_t const Weight, u_int16_t const Port) : target(Target), priority(Priority), weight(Weight), port(Port), random_number_range_start(0), random_number_range_end(0), random_number_range_max(0) {} }; /** \brief Get SRV records from host/port (builds the query string internally) */ bool GetSrvRecords(std::string name, std::vector<SrvRec> &Result); /** \brief Get SRV records for query string like: _http._tcp.example.com */ bool GetSrvRecords(std::string host, int port, std::vector<SrvRec> &Result); /** \brief Pop a single SRV record from the vector of SrvRec taking * priority and weight into account */ SrvRec PopFromSrvRecs(std::vector<SrvRec> &Recs); #endif