/// <summary>
/// Gets the country code by the IP Address.
/// </summary>
/// <param name="ip">The ip.</param>
/// <returns>The ISO Country Code</returns>
public string GetCountryCode(string ip)
{
var resolvedIp = new IP(ip);
var country = DataService.Instance.GeoLiteBlocks.FirstOrDefault(g => resolvedIp.ToV4NumericIP() >= g.FirstNumericIP && resolvedIp.ToV4NumericIP() <= g.LastNumericIP);
if (country != null)
{
var location = DataService.Instance.GeoLiteLocations.FirstOrDefault(l => l.Id == country.Country);
if (location != null)
{
return location.CountryName;
}
}
//Log.Error($"found no country for ip {ip}");
return "unknown";
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoLiteBlock"/> class.
/// </summary>
/// <param name="csvLine">The CSV line.</param>
public GeoLiteBlock(string csvLine)
{
var item = (csvLine.Split(',')).ToArray();
//network
Network = item[0];
var ip = new IP(item[0]);
LastIP = ip.GetEndSegmentBasedOnSubnet();
LastNumericIP = IP.ToV4NumericIP(LastIP);
FirstIP = ip.ToIPv4String();
FirstNumericIP = ip.ToV4NumericIP();
//geoname_id
int country;
if (item[1].Length > 2 && int.TryParse(item[1].Substring(1, item[1].Length - 2), out country))
{
Country = country;
}
//registered_country_geoname_id
int regCountry;
if (item[2].Length > 2 && int.TryParse(item[2].Substring(1, item[2].Length - 2), out regCountry))
{
RegisteredCountry = regCountry;
}
//represented_country_geoname_id
int repCountry;
if (item[3].Length > 2 && int.TryParse(item[3].Substring(1, item[3].Length - 2), out repCountry))
{
RepresentedCountry = repCountry;
}
//is_anonymous_proxy
if (item[4] == "1")
{
IsAnonymousProxy = true;
}
//is_satellite_provider
if (item[5] == "1")
{
IsSatelliteProvider = true;
}
//Extended Properties
if (item.Count() == 9)
{
//postal_code
PostalCode = item[6];
//latitude
double lat;
if (double.TryParse(item[7].Substring(1, item[7].Length - 2), out lat))
{
Latitude = lat;
}
//longitude
double lon;
if (double.TryParse(item[8].Substring(1, item[8].Length - 2), out lon))
{
Longitude = lon;
}
}
}