mirror of
https://github.com/PurpleI2P/i2pd.git
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154 lines
4.5 KiB
C++
154 lines
4.5 KiB
C++
#ifndef ROUTER_INFO_H__
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#define ROUTER_INFO_H__
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#include <inttypes.h>
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#include <string>
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#include <map>
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#include <vector>
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#include <iostream>
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#include <boost/asio.hpp>
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#include "Identity.h"
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namespace i2p
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{
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namespace data
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{
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const int MAX_RI_BUFFER_SIZE = 2048;
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class RouterInfo: public RoutingDestination
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{
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public:
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enum SupportedTranports
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{
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eNTCPV4 = 0x01,
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eNTCPV6 = 0x02,
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eSSUV4 = 0x04,
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eSSUV6 = 0x08
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};
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enum Caps
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{
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eFloodfill = 0x01,
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eHighBandwidth = 0x02,
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eReachable = 0x04,
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eSSUTesting = 0x08,
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eSSUIntroducer = 0x10,
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eHidden = 0x20,
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eUnreachable = 0x40
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};
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enum TransportStyle
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{
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eTransportUnknown = 0,
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eTransportNTCP,
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eTransportSSU
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};
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struct Introducer
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{
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boost::asio::ip::address iHost;
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int iPort;
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uint8_t iKey[32];
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uint32_t iTag;
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};
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struct Address
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{
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TransportStyle transportStyle;
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boost::asio::ip::address host;
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int port;
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uint64_t date;
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uint8_t cost;
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// SSU only
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uint8_t key[32]; // intro key for SSU
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std::vector<Introducer> introducers;
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};
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RouterInfo (const std::string& fullPath);
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RouterInfo (): m_Buffer (nullptr) { m_IdentHashBase64[0] = 0; m_IdentHashAbbreviation[0] = 0; };
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RouterInfo (const RouterInfo& ) = default;
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RouterInfo& operator=(const RouterInfo& ) = default;
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RouterInfo (const uint8_t * buf, int len);
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~RouterInfo ();
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const Identity& GetRouterIdentity () const { return m_RouterIdentity; };
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void SetRouterIdentity (const Identity& identity);
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const char * GetIdentHashBase64 () const { return m_IdentHashBase64; };
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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;
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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);
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const char * GetProperty (const char * key) const;
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bool IsFloodfill () const;
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bool IsNTCP (bool v4only = true) const;
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bool IsSSU (bool v4only = true) const;
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bool IsCompatible (const RouterInfo& other) const { return m_SupportedTransports & other.m_SupportedTransports; };
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bool UsesIntroducer () const;
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bool IsIntroducer () const { return m_Caps & eSSUIntroducer; };
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bool IsPeerTesting () const { return m_Caps & eSSUTesting; };
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bool IsHidden () const { return m_Caps & eHidden; };
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uint8_t GetCaps () const { return m_Caps; };
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void SetUnreachable (bool unreachable) { m_IsUnreachable = unreachable; };
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bool IsUnreachable () const { return m_IsUnreachable; };
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const uint8_t * GetBuffer () const { return m_Buffer; };
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const uint8_t * LoadBuffer (); // load if necessary
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int GetBufferLen () const { return m_BufferLen; };
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void CreateBuffer ();
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void UpdateRoutingKey ();
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bool IsUpdated () const { return m_IsUpdated; };
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void SetUpdated (bool updated) { m_IsUpdated = updated; };
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void SaveToFile (const std::string& fullPath);
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void Update (const uint8_t * buf, int len);
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void DeleteBuffer () { delete m_Buffer; m_Buffer = nullptr; };
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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; };
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bool IsDestination () const { return false; };
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private:
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bool LoadFile ();
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void ReadFromFile ();
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void ReadFromStream (std::istream& s);
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void ReadFromBuffer ();
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void WriteToStream (std::ostream& s);
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size_t ReadString (char * str, std::istream& s);
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void WriteString (const std::string& str, std::ostream& s);
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void ExtractCaps (const char * value);
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void UpdateIdentHashBase64 ();
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const Address * GetAddress (TransportStyle s, bool v4only) const;
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private:
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std::string m_FullPath;
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Identity m_RouterIdentity;
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IdentHash m_IdentHash;
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RoutingKey m_RoutingKey;
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char m_IdentHashBase64[48], m_IdentHashAbbreviation[5];
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uint8_t * m_Buffer;
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int m_BufferLen;
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uint64_t m_Timestamp;
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std::vector<Address> m_Addresses;
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std::map<std::string, std::string> m_Properties;
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bool m_IsUpdated, m_IsUnreachable;
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uint8_t m_SupportedTransports, m_Caps;
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};
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}
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}
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#endif
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