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adding methods to detect multicast and public ip ranges

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This commit is contained in:
Daniel Larimer 2013-07-23 01:07:19 -04:00
parent 1201d1c1f6
commit 4736e8e666
2 changed files with 61 additions and 0 deletions
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19
include/fc/network/ip.hpp
View file

@ -17,6 +17,24 @@ namespace fc {
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;
};
@ -50,6 +68,7 @@ namespace fc {
uint32_t _port;
address _ip;
};
}
class variant;
void to_variant( const ip::endpoint& var, variant& vo );

42
src/network/ip.cpp
View file

@ -69,6 +69,48 @@ namespace fc { namespace ip {
return string(_ip) + ':' + fc::string(boost::lexical_cast<std::string>(_port).c_str());
}
/**
* @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 address::is_private_address()const
{
static address min10_ip("10.0.0.0");
static address max10_ip("10.255.255.255");
static address min172_ip("172.16.0.0");
static address max172_ip("172.31.255.255");
static address min192_ip("192.168.0.0");
static address max192_ip("192.168.255.255");
static address min169_ip("169.254.0.0");
static address max169_ip("169.254.255.255");
if( _ip >= min10_ip._ip && _ip <= max10_ip._ip ) return true;
if( _ip >= min172_ip._ip && _ip <= max172_ip._ip ) return true;
if( _ip >= min192_ip._ip && _ip <= max192_ip._ip ) return true;
if( _ip >= min169_ip._ip && _ip <= max169_ip._ip ) return true;
return false;
}
/**
* 224.0.0.0 to 239.255.255.255
*/
bool address::is_multicast_address()const
{
static address min_ip("224.0.0.0");
static address max_ip("239.255.255.255");
return _ip >= min_ip._ip && _ip <= max_ip._ip;
}
/** !private & !multicast */
bool address::is_public_address()const
{
return !( is_private_address() || is_multicast_address() );
}
} // namespace ip
void to_variant( const ip::endpoint& var, variant& vo )