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123 lines
3.1 KiB
C++
123 lines
3.1 KiB
C++
#ifndef LLARP_ROUTER_OUTBOUND_SESSION_MAKER_HPP
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#define LLARP_ROUTER_OUTBOUND_SESSION_MAKER_HPP
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#include <router/i_outbound_session_maker.hpp>
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#include <router/i_rc_lookup_handler.hpp>
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#include <util/thread/logic.hpp>
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#include <util/thread/threading.hpp>
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#include <util/thread/thread_pool.hpp>
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#include <unordered_map>
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#include <list>
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#include <memory>
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struct llarp_nodedb;
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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 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
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LOCKS_EXCLUDED(_mutex);
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void
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CreateSessionTo(const RouterContact &rc, RouterCallback on_result) override
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LOCKS_EXCLUDED(_mutex);
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bool
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HavePendingSessionTo(const RouterID &router) const override
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LOCKS_EXCLUDED(_mutex);
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void
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ConnectToRandomRouters(int numDesired, llarp_time_t now) 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
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LOCKS_EXCLUDED(_mutex);
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void
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Init(ILinkManager *linkManager, I_RCLookupHandler *rcLookup,
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std::shared_ptr< Logic > logic, llarp_nodedb *nodedb,
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std::shared_ptr< llarp::thread::ThreadPool > threadpool);
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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) LOCKS_EXCLUDED(_mutex);
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void
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GotRouterContact(const RouterID &router, const RouterContact &rc)
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LOCKS_EXCLUDED(_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(const RouterID &router, const RouterContact *const rc,
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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) LOCKS_EXCLUDED(_mutex);
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void
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FinalizeRequest(const RouterID &router, const SessionResult type)
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LOCKS_EXCLUDED(_mutex);
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mutable util::Mutex _mutex; // protects pendingSessions, pendingCallbacks
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std::unordered_map< RouterID, std::shared_ptr< PendingSession >,
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RouterID::Hash >
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pendingSessions GUARDED_BY(_mutex);
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std::unordered_map< RouterID, CallbacksQueue, RouterID::Hash >
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pendingCallbacks GUARDED_BY(_mutex);
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ILinkManager *_linkManager;
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I_RCLookupHandler *_rcLookup;
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std::shared_ptr< Logic > _logic;
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llarp_nodedb *_nodedb;
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std::shared_ptr< llarp::thread::ThreadPool > _threadpool;
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RouterID us;
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};
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} // namespace llarp
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#endif // LLARP_ROUTER_OUTBOUND_SESSION_MAKER_HPP
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