mirror of
https://github.com/PurpleI2P/i2pd
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91 lines
3.6 KiB
C++
91 lines
3.6 KiB
C++
#ifndef TUNNEL_POOL__
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#define TUNNEL_POOL__
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#include <inttypes.h>
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#include <set>
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#include <vector>
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#include <utility>
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#include <mutex>
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#include <memory>
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#include "Identity.h"
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#include "LeaseSet.h"
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#include "RouterInfo.h"
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#include "I2NPProtocol.h"
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#include "TunnelBase.h"
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#include "RouterContext.h"
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#include "Garlic.h"
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namespace i2p
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{
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namespace tunnel
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{
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class Tunnel;
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class InboundTunnel;
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class OutboundTunnel;
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class TunnelPool: public std::enable_shared_from_this<TunnelPool> // per local destination
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{
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public:
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TunnelPool (int numInboundHops, int numOutboundHops, int numInboundTunnels, int numOutboundTunnels);
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~TunnelPool ();
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std::shared_ptr<i2p::garlic::GarlicDestination> GetLocalDestination () const { return m_LocalDestination; };
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void SetLocalDestination (std::shared_ptr<i2p::garlic::GarlicDestination> destination) { m_LocalDestination = destination; };
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void SetExplicitPeers (std::shared_ptr<std::vector<i2p::data::IdentHash> > explicitPeers);
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void CreateTunnels ();
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void TunnelCreated (std::shared_ptr<InboundTunnel> createdTunnel);
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void TunnelExpired (std::shared_ptr<InboundTunnel> expiredTunnel);
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void TunnelCreated (std::shared_ptr<OutboundTunnel> createdTunnel);
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void TunnelExpired (std::shared_ptr<OutboundTunnel> expiredTunnel);
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void RecreateInboundTunnel (std::shared_ptr<InboundTunnel> tunnel);
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void RecreateOutboundTunnel (std::shared_ptr<OutboundTunnel> tunnel);
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std::vector<std::shared_ptr<InboundTunnel> > GetInboundTunnels (int num) const;
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std::shared_ptr<OutboundTunnel> GetNextOutboundTunnel (std::shared_ptr<OutboundTunnel> excluded = nullptr) const;
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std::shared_ptr<InboundTunnel> GetNextInboundTunnel (std::shared_ptr<InboundTunnel> excluded = nullptr) const;
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std::shared_ptr<OutboundTunnel> GetNewOutboundTunnel (std::shared_ptr<OutboundTunnel> old) const;
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void TestTunnels ();
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void ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg);
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void ProcessDeliveryStatus (std::shared_ptr<I2NPMessage> msg);
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bool IsActive () const { return m_IsActive; };
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void SetActive (bool isActive) { m_IsActive = isActive; };
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void DetachTunnels ();
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private:
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void CreateInboundTunnel ();
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void CreateOutboundTunnel ();
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void CreatePairedInboundTunnel (std::shared_ptr<OutboundTunnel> outboundTunnel);
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template<class TTunnels>
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typename TTunnels::value_type GetNextTunnel (TTunnels& tunnels, typename TTunnels::value_type excluded) const;
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std::shared_ptr<const i2p::data::RouterInfo> SelectNextHop (std::shared_ptr<const i2p::data::RouterInfo> prevHop) const;
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bool SelectPeers (std::vector<std::shared_ptr<const i2p::data::IdentityEx> >& hops, bool isInbound);
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bool SelectExplicitPeers (std::vector<std::shared_ptr<const i2p::data::IdentityEx> >& hops, bool isInbound);
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private:
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std::shared_ptr<i2p::garlic::GarlicDestination> m_LocalDestination;
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int m_NumInboundHops, m_NumOutboundHops, m_NumInboundTunnels, m_NumOutboundTunnels;
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std::shared_ptr<std::vector<i2p::data::IdentHash> > m_ExplicitPeers;
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mutable std::mutex m_InboundTunnelsMutex;
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std::set<std::shared_ptr<InboundTunnel>, TunnelCreationTimeCmp> m_InboundTunnels; // recent tunnel appears first
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mutable std::mutex m_OutboundTunnelsMutex;
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std::set<std::shared_ptr<OutboundTunnel>, TunnelCreationTimeCmp> m_OutboundTunnels;
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std::map<uint32_t, std::pair<std::shared_ptr<OutboundTunnel>, std::shared_ptr<InboundTunnel> > > m_Tests;
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bool m_IsActive;
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public:
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// for HTTP only
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const decltype(m_OutboundTunnels)& GetOutboundTunnels () const { return m_OutboundTunnels; };
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const decltype(m_InboundTunnels)& GetInboundTunnels () const { return m_InboundTunnels; };
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};
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}
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}
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#endif
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