private static void GetIp(string url, out IPAddress ip, out int port)
{
ip = null;
var address = ServerAddress.FromUrl(url);
switch (address.Host)
{
case "localhost":
ip = IPAddress.Loopback;
break;
case "*":
ip = IPAddress.Any;
break;
default:
break;
}
ip = ip ?? IPAddress.Parse(address.Host);
port = address.Port;
}
public static ServerAddress FromUrl(string url)
{
url = url ?? string.Empty;
int schemeDelimiterStart = url.IndexOf("://", StringComparison.Ordinal);
if (schemeDelimiterStart < 0)
{
throw new FormatException($"Invalid URL: {url}");
}
int schemeDelimiterEnd = schemeDelimiterStart + "://".Length;
int pathDelimiterStart = url.IndexOf("/", schemeDelimiterEnd, StringComparison.Ordinal);
int pathDelimiterEnd = pathDelimiterStart;
if (pathDelimiterStart < 0)
{
pathDelimiterStart = pathDelimiterEnd = url.Length;
}
var serverAddress = new ServerAddress();
serverAddress.Scheme = url.Substring(0, schemeDelimiterStart);
var hasSpecifiedPort = false;
int portDelimiterStart = url.LastIndexOf(":", pathDelimiterStart - 1, pathDelimiterStart - schemeDelimiterEnd, StringComparison.Ordinal);
if (portDelimiterStart >= 0)
{
int portDelimiterEnd = portDelimiterStart + ":".Length;
string portString = url.Substring(portDelimiterEnd, pathDelimiterStart - portDelimiterEnd);
int portNumber;
if (int.TryParse(portString, NumberStyles.Integer, CultureInfo.InvariantCulture, out portNumber))
{
hasSpecifiedPort = true;
serverAddress.Host = url.Substring(schemeDelimiterEnd, portDelimiterStart - schemeDelimiterEnd);
serverAddress.Port = portNumber;
}
}
if (!hasSpecifiedPort)
{
if (string.Equals(serverAddress.Scheme, "http", StringComparison.OrdinalIgnoreCase))
{
serverAddress.Port = 80;
}
else if (string.Equals(serverAddress.Scheme, "https", StringComparison.OrdinalIgnoreCase))
{
serverAddress.Port = 443;
}
}
if (!hasSpecifiedPort)
{
serverAddress.Host = url.Substring(schemeDelimiterEnd, pathDelimiterStart - schemeDelimiterEnd);
}
if (string.IsNullOrEmpty(serverAddress.Host))
{
throw new FormatException($"Invalid URL: {url}");
}
// Path should not end with a / since it will be used as PathBase later
if (url[url.Length - 1] == '/')
{
serverAddress.PathBase = url.Substring(pathDelimiterEnd, url.Length - pathDelimiterEnd - 1);
}
else
{
serverAddress.PathBase = url.Substring(pathDelimiterEnd);
}
return(serverAddress);
}