i2pd/RouterInfo.h

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#ifndef ROUTER_INFO_H__
#define ROUTER_INFO_H__
#include <inttypes.h>
#include <string>
#include <map>
#include <vector>
#include <iostream>
#include <boost/asio.hpp>
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#include "Identity.h"
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namespace i2p
{
namespace data
{
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class RouterInfo: public RoutingDestination
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{
public:
enum SupportedTranports
{
eNTCPV4 = 0x01,
eNTCPV6 = 0x20,
eSSUV4 = 0x40,
eSSUV6 = 0x80
};
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enum TransportStyle
{
eTransportUnknown = 0,
eTransportNTCP,
eTransportSSU
};
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struct Introducer
{
boost::asio::ip::address iHost;
int iPort;
uint8_t iKey[32];
uint32_t iTag;
};
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struct Address
{
TransportStyle transportStyle;
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boost::asio::ip::address host;
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int port;
uint64_t date;
uint8_t cost;
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// SSU only
uint8_t key[32]; // intro key for SSU
std::vector<Introducer> introducers;
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};
RouterInfo (const char * filename);
RouterInfo () = default;
RouterInfo (const RouterInfo& ) = default;
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RouterInfo& operator=(const RouterInfo& ) = default;
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RouterInfo (const uint8_t * buf, int len);
const Identity& GetRouterIdentity () const { return m_RouterIdentity; };
void SetRouterIdentity (const Identity& identity);
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const char * GetIdentHashBase64 () const { return m_IdentHashBase64; };
const char * GetIdentHashAbbreviation () const { return m_IdentHashAbbreviation; };
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uint64_t GetTimestamp () const { return m_Timestamp; };
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std::vector<Address>& GetAddresses () { return m_Addresses; };
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const Address * GetNTCPAddress (bool v4only = true) const;
const Address * GetSSUAddress (bool v4only = true) const;
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const RoutingKey& GetRoutingKey () const { return m_RoutingKey; };
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void AddNTCPAddress (const char * host, int port);
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void AddSSUAddress (const char * host, int port, const uint8_t * key);
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void SetProperty (const char * key, const char * value);
const char * GetProperty (const char * key) const;
bool IsFloodfill () const;
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bool IsNTCP (bool v4only = true) const;
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bool IsSSU (bool v4only = true) const;
bool IsCompatible (const RouterInfo& other) const { return m_SupportedTransports & other.m_SupportedTransports; };
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bool UsesIntroducer () const;
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void SetUnreachable (bool unreachable) { m_IsUnreachable = unreachable; };
bool IsUnreachable () const { return m_IsUnreachable; };
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void CreateBuffer ();
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void UpdateRoutingKey ();
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const char * GetBuffer () const { return m_Buffer; };
int GetBufferLen () const { return m_BufferLen; };
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bool IsUpdated () const { return m_IsUpdated; };
void SetUpdated (bool updated) { m_IsUpdated = updated; };
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// implements RoutingDestination
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const IdentHash& GetIdentHash () const { return m_IdentHash; };
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const uint8_t * GetEncryptionPublicKey () const { return m_RouterIdentity.publicKey; };
bool IsDestination () const { return false; };
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private:
void ReadFromFile (const char * filename);
void ReadFromStream (std::istream& s);
void ReadFromBuffer ();
void WriteToStream (std::ostream& s);
size_t ReadString (char * str, std::istream& s);
void WriteString (const std::string& str, std::ostream& s);
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void UpdateIdentHashBase64 ();
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const Address * GetAddress (TransportStyle s, bool v4only) const;
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private:
Identity m_RouterIdentity;
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IdentHash m_IdentHash;
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RoutingKey m_RoutingKey;
char m_IdentHashBase64[48], m_IdentHashAbbreviation[5];
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char m_Buffer[2048];
int m_BufferLen;
uint64_t m_Timestamp;
std::vector<Address> m_Addresses;
std::map<std::string, std::string> m_Properties;
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bool m_IsUpdated, m_IsUnreachable;
uint8_t m_SupportedTransports;
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};
}
}
#endif