mirror of
https://github.com/PurpleI2P/i2pd
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70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
#ifndef TUNNEL_BASE_H__
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#define TUNNEL_BASE_H__
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#include <inttypes.h>
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#include <memory>
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#include "Timestamp.h"
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#include "I2NPProtocol.h"
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#include "Identity.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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const size_t TUNNEL_DATA_MSG_SIZE = 1028;
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const size_t TUNNEL_DATA_ENCRYPTED_SIZE = 1008;
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const size_t TUNNEL_DATA_MAX_PAYLOAD_SIZE = 1003;
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enum TunnelDeliveryType
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{
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eDeliveryTypeLocal = 0,
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eDeliveryTypeTunnel = 1,
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eDeliveryTypeRouter = 2
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};
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struct TunnelMessageBlock
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{
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TunnelDeliveryType deliveryType;
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i2p::data::IdentHash hash;
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uint32_t tunnelID;
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I2NPMessage * data;
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};
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class TunnelBase
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{
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public:
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//WARNING!!! GetSecondsSinceEpoch() return uint64_t
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TunnelBase (): m_CreationTime (i2p::util::GetSecondsSinceEpoch ()) {};
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virtual ~TunnelBase () {};
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virtual void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) = 0;
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virtual void SendTunnelDataMsg (i2p::I2NPMessage * msg) = 0;
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virtual void FlushTunnelDataMsgs () {};
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virtual void EncryptTunnelMsg (I2NPMessage * tunnelMsg) = 0;
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virtual uint32_t GetNextTunnelID () const = 0;
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virtual const i2p::data::IdentHash& GetNextIdentHash () const = 0;
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virtual uint32_t GetTunnelID () const = 0; // as known at our side
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uint32_t GetCreationTime () const { return m_CreationTime; };
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void SetCreationTime (uint32_t t) { m_CreationTime = t; };
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private:
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uint32_t m_CreationTime; // seconds since epoch
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};
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struct TunnelCreationTimeCmp
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{
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bool operator() (std::shared_ptr<const TunnelBase> t1, std::shared_ptr<const TunnelBase> t2) const
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{
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if (t1->GetCreationTime () != t2->GetCreationTime ())
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return t1->GetCreationTime () > t2->GetCreationTime ();
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else
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return t1 < t2;
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};
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};
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}
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}
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#endif
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