public bool Search(string host, QueryType?qtype, string dns, byte[] id)
{
string _dns = string.IsNullOrEmpty(dns) ? "8.8.8.8" : dns;
byte[] _id = id == null?newid() : id;
QueryType _qtype = qtype == null ? QueryType.A : (QueryType)qtype;
header = new MyDnsHeader();
header.NewID(_id);
question = new MyDnsQuestion();
question.Class = QueryClass.IN;
question.Type = _qtype;
question.Qname = host;
byte[] data_head = header.GetBytes();
byte[] data_question = question.GetBytes();
byte[] sendData = new byte[data_head.Length + data_question.Length];
data_head.CopyTo(sendData, 0);
data_question.CopyTo(sendData, data_head.Length);
byte[] recvData;
recvData = udpSend(sendData, _dns);
Parse(recvData);
return(header.RCODE == 0 ? true : false);
}
void Parse(byte[] data)
{
header.Parse(data);
question.Parse(data);
record = new MyDnsRecord();
record.Parse(data, question.GetBytes().Length + 12);
}
public bool Search(string host, QueryType? qtype, string dns, byte[] id)
{
string _dns = string.IsNullOrEmpty(dns) ? "8.8.8.8" : dns;
byte[] _id = id == null ? newid() : id;
QueryType _qtype = qtype == null ? QueryType.A : (QueryType)qtype;
header = new MyDnsHeader();
header.NewID(_id);
question = new MyDnsQuestion();
question.Class = QueryClass.IN;
question.Type = _qtype;
question.Qname = host;
byte[] data_head = header.GetBytes();
byte[] data_question = question.GetBytes();
byte[] sendData = new byte[data_head.Length + data_question.Length];
data_head.CopyTo(sendData, 0);
data_question.CopyTo(sendData, data_head.Length);
byte[] recvData;
recvData = udpSend(sendData, _dns);
Parse(recvData);
return header.RCODE == 0 ? true : false;
}