public static string ConvertIpAddress(Java.Net.InetAddress inetAddress)
{
if (inetAddress == null)
{
return(null);
}
try
{
string address = inetAddress.HostAddress;
if (address == null)
{
string text = inetAddress.ToString();
System.Text.RegularExpressions.Match match =
System.Text.RegularExpressions.Regex.Match(text, @"\d+\.\d+\.\d+\.\d+$", System.Text.RegularExpressions.RegexOptions.Singleline);
if (match.Success)
{
address = match.Value;
}
}
return(address);
}
catch (Exception)
{
return(null);
}
}
public static string ConvertIpAddress(int ipAddress)
{
if (Java.Nio.ByteOrder.NativeOrder().Equals(Java.Nio.ByteOrder.LittleEndian))
{
ipAddress = Java.Lang.Integer.ReverseBytes(ipAddress);
}
byte[] ipByteArray = Java.Math.BigInteger.ValueOf(ipAddress).ToByteArray();
try
{
Java.Net.InetAddress inetAddress = Java.Net.InetAddress.GetByAddress(ipByteArray);
string address = inetAddress.HostAddress;
if (address == null)
{
string text = inetAddress.ToString();
System.Text.RegularExpressions.Match match =
System.Text.RegularExpressions.Regex.Match(text, @"\d+\.\d+\.\d+\.\d+$", System.Text.RegularExpressions.RegexOptions.Singleline);
if (match.Success)
{
address = match.Value;
}
}
return(address);
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// Convert Java InetAddress to .Net IPAddress.
/// </summary>
/// <param name="inetAddress">The InetAddress object.</param>
/// <returns>The equivalent .Net IPAddress object.</returns>
/// <exception cref="System.ArgumentException">Failed to parse InetAddress: ...</exception>
public static System.Net.IPAddress ToIPAddress(this Java.Net.InetAddress inetAddress)
{
if (inetAddress == null)
{
return(null);
}
// Use get the bytes and create an IP address from that
if (inetAddress.GetAddress() != null && inetAddress.GetAddress().Length > 0)
{
return(new System.Net.IPAddress(inetAddress.GetAddress()));
}
// Use the host name string which should be in the standard "1.2.3.4" format
System.Net.IPAddress ipAddress;
if (System.Net.IPAddress.TryParse(inetAddress.HostAddress, out ipAddress))
{
return(ipAddress);
}
// In Android 7 (Nougat) both of the above return null for IPv4 addresses however ToString still appears to work
// The IP address should be the bit following the slash
string str = inetAddress.ToString().Split('/').LastOrDefault();
if (System.Net.IPAddress.TryParse(str, out ipAddress))
{
return(ipAddress);
}
// Don't know what else to try
throw new ArgumentException(string.Format("Failed to parse InetAddress: {0}", inetAddress.ToString()));
}