using System;
using System.Net;
using NewLife.Serialization;
namespace NewLife.Net.DNS
{
/// <summary>A记录</summary>
/// <remarks>
/// 查询的时候只需要设置<see cref="DNSEntity.Name"/>,返回的数据里面,<see cref="Address"/>和<see cref="DNSRecord.TTL"/>最有价值。
/// </remarks>
public class DNS_A : DNSRecord
{
#region 属性
[FieldSize("_Length")]
private Byte[] _Address;
/// <summary>IP地址</summary>
public IPAddress Address { get { return _Address == null ? null : new IPAddress(_Address); } set { _Address = value.GetAddressBytes(); } }
/// <summary>文本信息</summary>
public override String Text { get { return Address + ""; } set { Address = String.IsNullOrEmpty(value) ? null : IPAddress.Parse(value); } }
#endregion
#region 构造
/// <summary>构造一个A记录实例</summary>
public DNS_A()
{
Type = DNSQueryType.A;
Class = DNSQueryClass.IN;
}
#endregion
///// <summary>已重载。</summary>
///// <returns></returns>
//public override string ToString()
//{
// // Address为空,可能是请求
// if (Address == null)
// return String.Format("{0} {1}", Type, Name);
// else
// return String.Format("{0} {1}", Type, Address);
//}
}
}
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