mirror of
https://github.com/oxen-io/lokinet.git
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139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
#pragma once
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#include "llarp/service/address.hpp"
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#include "llarp/service/convotag.hpp"
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#include "llarp/service/protocol_type.hpp"
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#include "router_id.hpp"
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#include "llarp/ev/ev.hpp"
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#include "llarp/dns/srv_data.hpp"
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#include <functional>
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#include <memory>
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#include <string>
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#include <tuple>
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#include <optional>
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#include <unordered_set>
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#include <set>
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#include "oxenmq/variant.h"
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namespace llarp
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{
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namespace quic
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{
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class TunnelManager;
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}
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class EndpointBase
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{
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std::unordered_set<dns::SRVData> m_SRVRecords;
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public:
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virtual ~EndpointBase() = default;
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using AddressVariant_t = std::variant<service::Address, RouterID>;
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struct SendStat
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{
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/// how many routing messages we sent to them
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uint64_t messagesSend;
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/// how many routing messages we got from them
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uint64_t messagesRecv;
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/// how many convos have we had to this guy total?
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size_t numTotalConvos;
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/// current estimated rtt
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Duration_t estimatedRTT;
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/// last time point when we sent a message to them
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Duration_t lastSendAt;
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/// last time point when we got a message from them
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Duration_t lastRecvAt;
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};
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/// info about a quic mapping
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struct QUICMappingInfo
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{
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/// srv data if it was provided
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std::optional<dns::SRVData> srv;
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/// address we are bound on
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SockAddr localAddr;
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/// the remote's lns name if we have one
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std::optional<std::string> remoteName;
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/// the remote's address
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AddressVariant_t remoteAddr;
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/// the remote's port we are connecting to
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uint16_t remotePort;
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};
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/// maybe get quic mapping info given its stream id
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/// returns std::nullopt if we have no stream given that id
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std::optional<QUICMappingInfo>
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GetQUICMappingInfoByID(int stream_id) const;
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/// add an srv record to this endpoint's descriptor
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void
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PutSRVRecord(dns::SRVData srv);
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/// called when srv data changes in some way
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virtual void
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SRVRecordsChanged() = 0;
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/// remove srv records from this endpoint that match a filter
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/// for each srv record call it with filter, remove if filter returns true
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/// return if we removed any srv records
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bool
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DelSRVRecordIf(std::function<bool(const dns::SRVData&)> filter);
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/// get copy of all srv records
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std::set<dns::SRVData>
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SRVRecords() const;
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/// get statistics about how much traffic we sent and recv'd to a remote endpoint
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virtual std::optional<SendStat>
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GetStatFor(AddressVariant_t remote) const = 0;
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/// list all remote endpoint addresses we have that are mapped
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virtual std::unordered_set<AddressVariant_t>
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AllRemoteEndpoints() const = 0;
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/// get our local address
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virtual AddressVariant_t
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LocalAddress() const = 0;
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virtual quic::TunnelManager*
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GetQUICTunnel() = 0;
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virtual std::optional<AddressVariant_t>
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GetEndpointWithConvoTag(service::ConvoTag tag) const = 0;
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virtual std::optional<service::ConvoTag>
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GetBestConvoTagFor(AddressVariant_t addr) const = 0;
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virtual bool
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EnsurePathTo(
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AddressVariant_t addr,
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std::function<void(std::optional<service::ConvoTag>)> hook,
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llarp_time_t timeout) = 0;
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virtual void
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LookupNameAsync(
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std::string name, std::function<void(std::optional<AddressVariant_t>)> resultHandler) = 0;
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virtual const EventLoop_ptr&
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Loop() = 0;
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virtual bool
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SendToOrQueue(
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service::ConvoTag tag, const llarp_buffer_t& payload, service::ProtocolType t) = 0;
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/// lookup srv records async
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virtual void
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LookupServiceAsync(
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std::string name,
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std::string service,
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std::function<void(std::vector<dns::SRVData>)> resultHandler) = 0;
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virtual void
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MarkAddressOutbound(AddressVariant_t remote) = 0;
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};
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} // namespace llarp
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