|
public GetHostEntry ( |
||
| ip | An IP address. | |
| 리턴 | ||
//private static readonly string openDnsResolver2 = "208.67.220.220";
/// <summary>
/// Resolves the IP address of the specified hostname.
/// </summary>
/// <param name="hostname">The hostname.</param>
/// <returns>IPAddress instance.</returns>
public IPAddress ResolveHostnameIP(string hostname)
{
if (!NetworkInterface.GetIsNetworkAvailable())
{
throw new ApplicationException(Text.Error_NoNetwork);
}
Resolver resolver = new Resolver(openDnsResolver1);
IPHostEntry host = resolver.GetHostEntry(hostname);
if (host == null || host.AddressList == null || host.AddressList.Length <= 0)
{
throw new ApplicationException(string.Format(Text.Error_CantResolveHostnameIP, hostname));
}
IPAddress result = host
.AddressList
.FirstOrDefault(ip => ip.AddressFamily == AddressFamily.InterNetwork);
if (result == null)
{
throw new ApplicationException(string.Format(Text.Error_CantResolveHostnameIP, hostname));
}
log.DebugFormat(Text.Debug_ResolvedHostname, hostname, result.ToString());
return result;
}
