a61007d6b2
Some urchin parameters has default value of localhost and need to be resolved into IP address. Add stub resolver that do just that: if it sees "localhost" string it translates it to a loopback address, otherwise assume that string is IP address already.
46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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#pragma once
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#include <boost/asio/ip/address_v4.hpp>
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#include <sys/socket.h>
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#include "core/sstring.hh"
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#include "core/future.hh"
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namespace dns {
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enum class address_family {
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INET = AF_INET,
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INET6 = AF_INET6
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};
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union host_addr {
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in_addr in;
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in6_addr in6;
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};
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struct hostent {
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sstring name;
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std::vector<sstring> aliases;
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address_family addrtype;
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std::vector<host_addr> addresses;
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};
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// ATTENTION: this is stub only. It translates "localhost" into loopback address
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// otherwise it assumes that string is an IP address already
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future<hostent> gethostbyname(sstring name) {
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hostent e = {name, {}, address_family::INET};
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host_addr a;
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if (name == "localhost") {
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a.in.s_addr = static_cast<in_addr_t>(boost::asio::ip::address_v4::loopback().to_ulong());
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} else {
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a.in.s_addr = static_cast<in_addr_t>(boost::asio::ip::address_v4::from_string(name).to_ulong());
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}
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e.addresses.push_back(std::move(a));
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return make_ready_future<hostent>(std::move(e));
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}
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}
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