/// <summary>
/// Connects to a third party service ipinfo.io and obtains information about IP address location.
/// </summary>
/// <param name="IpAddress">IP address to find location for.</param>
/// <returns>Estimated GPS location of the machine or null if the funtion fails.</returns>
public static GpsLocation FindIpLocationIpinfoIo(IPAddress IpAddress)
{
log.Trace("(IpAddress:{0})", IpAddress);
GpsLocation res = null;
string uri = string.Format(LocationServiceUri, IpAddress);
log.Trace("Sending request to '{0}'.", uri);
string response = HttpGet(uri);
if (response != null)
{
try
{
IpinfoIoResult ipInfo = JsonConvert.DeserializeObject <IpinfoIoResult>(response);
if (ipInfo.loc != null)
{
string[] parts = ipInfo.loc.Split(new char[] { ',', ';' });
if (parts.Length == 2)
{
decimal lat;
decimal lon;
if (decimal.TryParse(parts[0], NumberStyles.Any, CultureInfo.InvariantCulture, out lat) &&
decimal.TryParse(parts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out lon))
{
GpsLocation location = new GpsLocation(lat, lon);
if (location.IsValid())
{
res = location;
}
}
}
}
if (res == null)
{
log.Error("Invalid location information '{0}' received.", ipInfo.loc);
}
}
catch
{
log.Error("Received invalid response from '{0}':\n{1}", uri, response);
}
}
else
{
log.Error("Request to '{0}' failed.", uri);
}
log.Trace("(-):{0}", res);
return(res);
}
/// <summary>
/// Connects to a seed node and obtains IP address location information.
/// </summary>
/// <param name="IpAddress">IP address to find location for.</param>
/// <returns>Estimated GPS location of the machine or null if the funtion fails.</returns>
public static GpsLocation FindIpLocation(IPAddress IpAddress)
{
log.Trace("(IpAddress:{0})", IpAddress);
GpsLocation res = null;
foreach (string seedNode in SeedNodes)
{
string uri = string.Format(LocationUri, seedNode, IpAddress);
log.Trace("Sending request to '{0}'.", uri);
string response = HttpGet(uri);
if (response != null)
{
response = response.Trim();
string[] parts = response.Split(new char[] { ';', ',' });
if (parts.Length == 2)
{
decimal lat;
decimal lon;
if (decimal.TryParse(parts[0], NumberStyles.Any, CultureInfo.InvariantCulture, out lat) &&
decimal.TryParse(parts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out lon))
{
GpsLocation location = new GpsLocation(lat, lon);
if (location.IsValid())
{
res = location;
}
break;
}
}
log.Error("Invalid response received from '{0}':\n{1}", uri, response);
}
else
{
log.Error("Request to '{0}' failed.", uri);
}
}
log.Trace("(-):{0}", res);
return(res);
}
