/// <summary>
/// Extracts IP address from XML element
/// </summary>
/// <param name="addressElement">XML element containing IP address</param>
/// <returns>IpAddress object, containing information about IP address</returns>
public static IpAddress Extract(XElement addressElement)
{
XAttribute typeAttr = addressElement.Attribute("ip");
IpAddressType type = typeAttr == null ? IpAddressType.V4 : typeAttr.Value.ToEnum <IpAddressType>();
return(new IpAddress(type, addressElement.Value));
}
/// <summary>
/// Initializes a new instance of the IpAddress class with specified type and address
/// </summary>
/// <param name="type">IP address type</param>
/// <param name="address">IP address</param>
public IpAddress(IpAddressType type, string address)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
this.Type = type;
this.Address = address;
}
public void Test()
{
const string test = "SomeIp ::= IpAddress";
Lexer lexer = new Lexer();
StringReader reader = new StringReader(test);
lexer.Parse(reader);
string name = lexer.NextSymbol.ToString();
lexer.NextSymbol.Expect(Symbol.Assign);
lexer.NextSymbol.Expect(Symbol.IpAddress);
IpAddressType i = new IpAddressType("module", "name", lexer);
}
/// <summary>
/// 获取主机地址类型
/// </summary>
/// <param name="host"></param>
/// <param name="type"></param>
/// <returns></returns>
public static bool GetHostAddressType(string host, out IpAddressType type)
{
if (SYS_IsIPAddress(host, out type))
{
return(true);
}
var reg = new Regex(@"^(?=^.{3,255}$)[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+$", RegexOptions.IgnoreCase);
if (reg.IsMatch(host))
{
type = IpAddressType.Domain;
return(true);
}
return(false);
}
public static extern bool SYS_GetIPAddress(string lpszHost, [MarshalAs(UnmanagedType.LPStr)] StringBuilder lpszIp, ref int piIpLength, ref IpAddressType penType);
public static extern bool SYS_IsIPAddress(string lpszAddress, out IpAddressType penType);
public static extern bool SYS_EnumHostIPAddresses(string lpszHost, IpAddressType enType, ref IntPtr lpppIpAddr, ref int piIpAddrCount);
