59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2015, Cryptonomex, Inc. All rights reserved.
|
|
*/
|
|
#pragma once
|
|
#include <fc/network/tcp_socket.hpp>
|
|
#include <fc/crypto/aes.hpp>
|
|
#include <fc/crypto/elliptic.hpp>
|
|
|
|
namespace graphene { namespace p2p {
|
|
|
|
/**
|
|
* Uses ECDH to negotiate a aes key for communicating
|
|
* with other nodes on the network.
|
|
*/
|
|
class stcp_socket : public virtual fc::iostream
|
|
{
|
|
public:
|
|
stcp_socket();
|
|
~stcp_socket();
|
|
fc::tcp_socket& get_socket() { return _sock; }
|
|
void accept();
|
|
|
|
void connect_to( const fc::ip::endpoint& remote_endpoint );
|
|
void bind( const fc::ip::endpoint& local_endpoint );
|
|
|
|
virtual size_t readsome( char* buffer, size_t max );
|
|
virtual size_t readsome( const std::shared_ptr<char>& buf, size_t len, size_t offset );
|
|
virtual bool eof()const;
|
|
|
|
virtual size_t writesome( const char* buffer, size_t len );
|
|
virtual size_t writesome( const std::shared_ptr<const char>& buf, size_t len, size_t offset );
|
|
|
|
virtual void flush();
|
|
virtual void close();
|
|
|
|
using istream::get;
|
|
void get( char& c ) { read( &c, 1 ); }
|
|
fc::sha512 get_shared_secret() const { return _shared_secret; }
|
|
private:
|
|
void do_key_exchange();
|
|
|
|
fc::sha512 _shared_secret;
|
|
fc::ecc::private_key _priv_key;
|
|
fc::array<char,8> _buf;
|
|
//uint32_t _buf_len;
|
|
fc::tcp_socket _sock;
|
|
fc::aes_encoder _send_aes;
|
|
fc::aes_decoder _recv_aes;
|
|
std::shared_ptr<char> _read_buffer;
|
|
std::shared_ptr<char> _write_buffer;
|
|
#ifndef NDEBUG
|
|
bool _read_buffer_in_use;
|
|
bool _write_buffer_in_use;
|
|
#endif
|
|
};
|
|
|
|
typedef std::shared_ptr<stcp_socket> stcp_socket_ptr;
|
|
|
|
} } // graphene::p2p
|