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46ad8d4058
- includes are now sorted in consistent, logical order; first step in an attempt to fix the tomfoolery (no relation to Tom) brought in by include-what-you-use - shuffled around some cmake linking to simplify dependency graph - superfluous files removed
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#pragma once
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#include "address.hpp"
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#include <llarp/router_id.hpp>
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#include <oxenc/variant.h>
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#include <functional>
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#include <optional>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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namespace llarp::service
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{
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/// tracks and manages consensus of lns names we fetch from the network
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class LNSLookupTracker
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{
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public:
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using Addr_t = std::variant<Address, RouterID>;
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private:
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struct LookupInfo
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{
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std::unordered_set<Addr_t> m_CurrentValues;
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std::function<void(std::optional<Addr_t>)> m_HandleResult;
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std::size_t m_ResultsGotten = 0;
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std::size_t m_ResultsNeeded;
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LookupInfo(std::size_t wantResults, std::function<void(std::optional<Addr_t>)> resultHandler)
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: m_HandleResult{std::move(resultHandler)}, m_ResultsNeeded{wantResults}
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{}
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bool
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IsDone() const;
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void
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HandleOneResult(std::optional<Addr_t> result);
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};
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std::unordered_map<std::string, LookupInfo> m_PendingLookups;
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public:
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/// make a function that will handle consensus of an lns request
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/// name is the name we are requesting
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/// numPeers is the number of peers we asked
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/// resultHandler is a function that we are wrapping that will handle the final result
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std::function<void(std::optional<Addr_t>)>
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MakeResultHandler(
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std::string name,
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std::size_t numPeers,
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std::function<void(std::optional<Addr_t>)> resultHandler);
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};
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} // namespace llarp::service
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