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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#pragma once
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#include <xrpl/beast/utility/Journal.h>
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#include <xrpl/peerfinder/Types.h>
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#include <boost/system/error_code.hpp>
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#include <string>
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namespace xrpl::peer_finder {
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/**
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* A static or dynamic source of peer addresses.
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* These are used as fallbacks when we are bootstrapping and don't have
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* a local cache, or when none of our addresses are functioning. Typically
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* sources will represent things like static text in the config file, a
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* separate local file with addresses, or a remote HTTPS URL that can
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* be updated automatically. Another solution is to use a custom DNS server
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* that hands out peer IP addresses when name lookups are performed.
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*/
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class Source
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{
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public:
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/**
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* The results of a fetch.
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*/
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struct Results
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{
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explicit Results() = default;
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// error_code on a failure
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boost::system::error_code error;
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// list of fetched endpoints
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IPAddresses addresses;
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};
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virtual ~Source() = default;
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virtual std::string const&
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name() = 0;
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virtual void
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cancel()
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{
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}
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virtual void
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fetch(Results& results, beast::Journal journal) = 0;
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};
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} // namespace xrpl::peer_finder
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