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