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119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
#pragma once
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#include "i_outbound_session_maker.hpp"
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#include "i_rc_lookup_handler.hpp"
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#include <llarp/util/thread/threading.hpp>
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#include <llarp/profiling.hpp>
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#include <unordered_map>
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#include <list>
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#include <memory>
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namespace llarp
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{
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struct PendingSession;
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struct ILinkManager;
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struct I_RCLookupHandler;
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struct OutboundSessionMaker final : public IOutboundSessionMaker
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{
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using Work_t = std::function<void(void)>;
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using WorkerFunc_t = std::function<void(Work_t)>;
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using CallbacksQueue = std::list<RouterCallback>;
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public:
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~OutboundSessionMaker() override = default;
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bool
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OnSessionEstablished(ILinkSession* session) override;
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void
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OnConnectTimeout(ILinkSession* session) override;
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void
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CreateSessionTo(const RouterID& router, RouterCallback on_result) override EXCLUDES(_mutex);
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void
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CreateSessionTo(const RouterContact& rc, RouterCallback on_result) override EXCLUDES(_mutex);
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bool
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HavePendingSessionTo(const RouterID& router) const override EXCLUDES(_mutex);
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void
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ConnectToRandomRouters(int numDesired) override;
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util::StatusObject
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ExtractStatus() const override;
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bool
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ShouldConnectTo(const RouterID& router) const override EXCLUDES(_mutex);
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void
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Init(
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AbstractRouter* router,
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ILinkManager* linkManager,
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I_RCLookupHandler* rcLookup,
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Profiling* profiler,
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EventLoop_ptr loop,
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WorkerFunc_t work);
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void
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SetOurRouter(RouterID r)
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{
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us = std::move(r);
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}
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/// always maintain this many connections to other routers
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size_t minConnectedRouters = 4;
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/// hard upperbound limit on the number of router to router connections
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size_t maxConnectedRouters = 6;
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private:
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void
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DoEstablish(const RouterID& router) EXCLUDES(_mutex);
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void
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GotRouterContact(const RouterID& router, const RouterContact& rc) EXCLUDES(_mutex);
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void
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InvalidRouter(const RouterID& router);
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void
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RouterNotFound(const RouterID& router);
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void
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OnRouterContactResult(
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const RouterID& router, const RouterContact* const rc, const RCRequestResult result);
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void
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VerifyRC(const RouterContact rc);
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void
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CreatePendingSession(const RouterID& router) EXCLUDES(_mutex);
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void
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FinalizeRequest(const RouterID& router, const SessionResult type) EXCLUDES(_mutex);
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mutable util::Mutex _mutex; // protects pendingSessions, pendingCallbacks
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std::unordered_map<RouterID, std::shared_ptr<PendingSession>> pendingSessions
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GUARDED_BY(_mutex);
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std::unordered_map<RouterID, CallbacksQueue> pendingCallbacks GUARDED_BY(_mutex);
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AbstractRouter* _router = nullptr;
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ILinkManager* _linkManager = nullptr;
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I_RCLookupHandler* _rcLookup = nullptr;
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Profiling* _profiler = nullptr;
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std::shared_ptr<NodeDB> _nodedb;
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EventLoop_ptr _loop;
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WorkerFunc_t work;
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RouterID us;
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};
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} // namespace llarp
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