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86 lines
2.7 KiB
C++
86 lines
2.7 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 "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 // per local destination
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{
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public:
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TunnelPool (i2p::garlic::GarlicDestination * localDestination, int numInboundHops, int numOutboundHops, int numTunnels = 5);
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~TunnelPool ();
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i2p::garlic::GarlicDestination * GetLocalDestination () const { return m_LocalDestination; };
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void SetLocalDestination (i2p::garlic::GarlicDestination * destination) { m_LocalDestination = destination; };
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void CreateTunnels ();
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void TunnelCreated (InboundTunnel * createdTunnel);
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void TunnelExpired (InboundTunnel * expiredTunnel);
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void TunnelCreated (OutboundTunnel * createdTunnel);
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void TunnelExpired (OutboundTunnel * expiredTunnel);
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std::vector<InboundTunnel *> GetInboundTunnels (int num) const;
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OutboundTunnel * GetNextOutboundTunnel (OutboundTunnel * suggested = nullptr) const;
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InboundTunnel * GetNextInboundTunnel (InboundTunnel * suggested = nullptr) const;
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void TestTunnels ();
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void ProcessGarlicMessage (I2NPMessage * msg);
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void ProcessDeliveryStatus (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 RecreateInboundTunnel (InboundTunnel * tunnel);
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void RecreateOutboundTunnel (OutboundTunnel * tunnel);
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template<class TTunnels>
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typename TTunnels::value_type GetNextTunnel (TTunnels& tunnels,
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typename TTunnels::value_type suggested = nullptr) 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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private:
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i2p::garlic::GarlicDestination * m_LocalDestination;
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int m_NumInboundHops, m_NumOutboundHops, m_NumTunnels;
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mutable std::mutex m_InboundTunnelsMutex;
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std::set<InboundTunnel *, TunnelCreationTimeCmp> m_InboundTunnels; // recent tunnel appears first
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mutable std::mutex m_OutboundTunnelsMutex;
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std::set<OutboundTunnel *, TunnelCreationTimeCmp> m_OutboundTunnels;
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std::map<uint32_t, std::pair<OutboundTunnel *, 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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