peerplays-fc/include/fc/network/ip.hpp

128 lines
3.4 KiB
C++
Executable file

#pragma once
#include <fc/string.hpp>
#include <fc/crypto/sha1.hpp>
#include <fc/io/raw_fwd.hpp>
#include <fc/crypto/city.hpp>
#include <fc/reflect/reflect.hpp>
namespace fc {
namespace ip {
class address {
public:
address( uint32_t _ip = 0 );
address( const fc::string& s );
address& operator=( const fc::string& s );
operator fc::string()const;
operator uint32_t()const;
friend bool operator==( const address& a, const address& b );
friend bool operator!=( const address& a, const address& b );
/**
* @return true if the ip is in the following ranges:
*
* 10.0.0.0 to 10.255.255.255
* 172.16.0.0 to 172.31.255.255
* 192.168.0.0 to 192.168.255.255
* 169.254.0.0 to 169.254.255.255
*
*/
bool is_private_address()const;
/**
* 224.0.0.0 to 239.255.255.255
*/
bool is_multicast_address()const;
/** !private & !multicast */
bool is_public_address()const;
private:
uint32_t _ip;
};
class endpoint {
public:
endpoint();
endpoint( const address& i, uint16_t p = 0);
/** Converts "IP:PORT" to an endpoint */
static endpoint from_string( const string& s );
/** returns "IP:PORT" */
operator string()const;
void set_port(uint16_t p ) { _port = p; }
uint16_t port()const;
const address& get_address()const;
friend bool operator==( const endpoint& a, const endpoint& b );
friend bool operator!=( const endpoint& a, const endpoint& b );
friend bool operator< ( const endpoint& a, const endpoint& b );
private:
/**
* The compiler pads endpoint to a full 8 bytes, so while
* a port number is limited in range to 16 bits, we specify
* a full 32 bits so that memcmp can be used with sizeof(),
* otherwise 2 bytes will be 'random' and you do not know
* where they are stored.
*/
uint32_t _port;
address _ip;
};
}
class variant;
void to_variant( const ip::endpoint& var, variant& vo );
void from_variant( const variant& var, ip::endpoint& vo );
void to_variant( const ip::address& var, variant& vo );
void from_variant( const variant& var, ip::address& vo );
namespace raw
{
template<typename Stream>
inline void pack( Stream& s, const ip::address& v )
{
fc::raw::pack( s, uint32_t(v) );
}
template<typename Stream>
inline void unpack( Stream& s, ip::address& v )
{
uint32_t _ip;
fc::raw::unpack( s, _ip );
v = ip::address(_ip);
}
template<typename Stream>
inline void pack( Stream& s, const ip::endpoint& v )
{
fc::raw::pack( s, v.get_address() );
fc::raw::pack( s, v.port() );
}
template<typename Stream>
inline void unpack( Stream& s, ip::endpoint& v )
{
ip::address a;
uint16_t p;
fc::raw::unpack( s, a );
fc::raw::unpack( s, p );
v = ip::endpoint(a,p);
}
}
} // namespace fc
FC_REFLECT_TYPENAME( fc::ip::address )
FC_REFLECT_TYPENAME( fc::ip::endpoint )
namespace std
{
template<>
struct hash<fc::ip::endpoint>
{
size_t operator()( const fc::ip::endpoint& e )const
{
return fc::city_hash_size_t( (char*)&e, sizeof(e) );
}
};
}