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GiantsTools/Sdk/Include/Network/Public/IPAddress.h
2021-02-28 00:46:21 -08:00

83 lines
1.5 KiB
C++

#pragma once
#include <sstream>
class IPAddress
{
public:
int operator[](int index) const
{
if (index < countof(m_octets) && index > 0)
{
return m_octets[index];
}
throw std::invalid_argument("Invalid octet index.");
}
bool operator==(const IPAddress& right) const
{
return (m_octets[0] == right.m_octets[0] &&
m_octets[1] == right.m_octets[1] &&
m_octets[2] == right.m_octets[2] &&
m_octets[3] == right.m_octets[3]);
}
bool operator!= (const IPAddress& right) const
{
return !operator==(right);
}
bool operator<(const IPAddress& right) const
{
return ToInt() < right.ToInt();
}
bool operator>(const IPAddress& right) const
{
return right.operator<(*this);
}
static IPAddress FromString(const tstring_view str)
{
IPAddress ipAddress;
char octetBuff[4]{};
std::string tmp(str);
std::istringstream iss(tmp);
int octetsRead = 0;
while (true)
{
iss.getline(octetBuff, sizeof(octetBuff), '.');
if (iss.gcount() <= 0)
break;
int octet = atoi(octetBuff);
if (octet > 255 || octet < 0)
{
throw std::invalid_argument(fmt::format("Octet '{0}' is invalid.", octet));
}
ipAddress.m_octets[octetsRead] = octet;
octetsRead++;
}
return ipAddress;
}
std::string ToString() const
{
return fmt::sprintf("%d.%d.%d.%d", m_octets[0], m_octets[1], m_octets[2], m_octets[3]);
}
uint ToInt() const
{
return ((m_octets[0] << 24) + (m_octets[1] << 16) + (m_octets[2] << 8) + m_octets[3]);
}
protected:
int m_octets[4]{};
};