i2pd/TunnelBase.h

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#ifndef TUNNEL_BASE_H__
#define TUNNEL_BASE_H__
#include <inttypes.h>
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#include "Timestamp.h"
#include "I2NPProtocol.h"
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#include "Identity.h"
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namespace i2p
{
namespace tunnel
{
const size_t TUNNEL_DATA_MSG_SIZE = 1028;
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const size_t TUNNEL_DATA_ENCRYPTED_SIZE = 1008;
const size_t TUNNEL_DATA_MAX_PAYLOAD_SIZE = 1003;
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enum TunnelDeliveryType
{
eDeliveryTypeLocal = 0,
eDeliveryTypeTunnel = 1,
eDeliveryTypeRouter = 2
};
struct TunnelMessageBlock
{
TunnelDeliveryType deliveryType;
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i2p::data::IdentHash hash;
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uint32_t tunnelID;
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I2NPMessage * data;
};
class TunnelBase
{
public:
//WARNING!!! GetSecondsSinceEpoch() return uint64_t
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TunnelBase (): m_CreationTime (i2p::util::GetSecondsSinceEpoch ()) {};
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virtual ~TunnelBase () {};
virtual void EncryptTunnelMsg (I2NPMessage * tunnelMsg) = 0;
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
uint32_t GetCreationTime () const { return m_CreationTime; };
void SetCreationTime (uint32_t t) { m_CreationTime = t; };
private:
uint32_t m_CreationTime; // seconds since epoch
};
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}
}
#endif