private byte[] data; // Resource record data
/// <summary>
/// This constructor initializes an empty DNS resource
/// record.
/// </summary>
public DnsRR()
{
this.rrtype = DnsRRType.UNKNOWN;
this.rname = string.Empty;
this.qclass = DnsQClass.IN;
this.ttl = 0;
this.data = new byte[0];
}
/// <summary>
/// This method parses the resource record from the packet beginning
/// at the offset passed.
/// </summary>
/// <param name="message">The message containing the record being parsed.</param>
/// <param name="packet">The packet buffer.</param>
/// <param name="offset">
/// The offset in the packet where the record is located.
/// This parameter will return set to the offset of the first
/// byte after the parsed record.
/// </param>
/// <returns>True on success.</returns>
public bool Read(DnsMessage message, byte[] packet, ref int offset)
{
if (!message.ReadName(packet, ref offset, out rname))
{
return(false);
}
rrtype = (DnsRRType)Helper.ReadInt16(packet, ref offset);
qclass = (DnsQClass)Helper.ReadInt16(packet, ref offset);
ttl = Helper.ReadInt32(packet, ref offset);
return(ReadData(message, packet, ref offset));
}
/// <summary>
/// Returns <c>true</c> if the resource records type and qname
/// match the parameters passed.
/// </summary>
/// <param name="rrType">The resource type to be matched.</param>
/// <param name="qname">The qname to be matched.</param>
/// <returns><c>true</c> if there's a match.</returns>
public bool Match(DnsRRType rrType, string qname)
{
return(this.RRType == rrType && String.Compare(this.RName, qname, true) == 0);
}
