lokinet/llarp/link/i_link_manager.hpp

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#pragma once
#include "server.hpp"
#include <llarp/util/types.hpp>
#include <llarp/peerstats/peer_db.hpp>
#include <functional>
#include <optional>
struct llarp_buffer_t;
namespace llarp
{
struct RouterContact;
struct ILinkSession;
struct IOutboundSessionMaker;
struct RouterID;
struct ILinkManager
{
virtual ~ILinkManager() = default;
virtual LinkLayer_ptr
GetCompatibleLink(const RouterContact& rc) const = 0;
virtual IOutboundSessionMaker*
GetSessionMaker() const = 0;
virtual bool
SendTo(
const RouterID& remote,
const llarp_buffer_t& buf,
ILinkSession::CompletionHandler completed) = 0;
virtual bool
HasSessionTo(const RouterID& remote) const = 0;
// it is fine to have both an inbound and outbound session with
// another relay, and is useful for network testing. This test
// is more specific for use with "should we connect outbound?"
virtual bool
HasOutboundSessionTo(const RouterID& remote) const = 0;
/// return true if the session with this pubkey is a client
/// return false if the session with this pubkey is a router
/// return std::nullopt we have no session with this pubkey
virtual std::optional<bool>
SessionIsClient(RouterID remote) const = 0;
virtual void
PumpLinks() = 0;
virtual void
AddLink(LinkLayer_ptr link, bool inbound = false) = 0;
virtual bool
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StartLinks() = 0;
virtual void
Stop() = 0;
virtual void
PersistSessionUntil(const RouterID& remote, llarp_time_t until) = 0;
virtual void
ForEachPeer(
std::function<void(const ILinkSession*, bool)> visit, bool randomize = false) const = 0;
virtual void
ForEachPeer(std::function<void(ILinkSession*)> visit) = 0;
virtual void
ForEachInboundLink(std::function<void(LinkLayer_ptr)> visit) const = 0;
virtual void
ForEachOutboundLink(std::function<void(LinkLayer_ptr)> visit) const = 0;
/// close all connections to this peer
/// remove all link layer commits
virtual void
DeregisterPeer(RouterID remote) = 0;
virtual size_t
NumberOfConnectedRouters() const = 0;
virtual size_t
NumberOfConnectedClients() const = 0;
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virtual size_t
NumberOfPendingConnections() const = 0;
virtual bool
GetRandomConnectedRouter(RouterContact& router) const = 0;
virtual void
CheckPersistingSessions(llarp_time_t now) = 0;
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virtual void
updatePeerDb(std::shared_ptr<PeerDb> peerDb) = 0;
virtual util::StatusObject
ExtractStatus() const = 0;
};
} // namespace llarp