private void bw_DoWork(object sender, DoWorkEventArgs e)
{
if (bw.CancellationPending)
{
return;
}
else
{
dt.Rows.Add("DNS记录", "记录类型", "解析结果", "TTL");
MyDns mydns = new MyDns();
if (!mydns.Search(_host, QueryType.A, _dnsname, null))
{
UMessageBox.Show("提示", mydns.header.RCODE.ToString());
return;
}
foreach (MyDnsRecord item in mydns.record.Records)
{
dt.Rows.Add(item.Name, item.QType.ToString(), item.RDDate.ToString().Replace(" ", ""), item.TTL.ToString());
}
if (!mydns.Search(_host, QueryType.MX, _dnsname, null))
{
UMessageBox.Show("提示", mydns.header.RCODE.ToString());
return;
}
foreach (MyDnsRecord item in mydns.record.Records)
{
dt.Rows.Add(item.Name, item.QType.ToString(), item.RDDate.ToString().Replace(" ", "").Replace('|', '\r'), item.TTL.ToString());
}
if (!mydns.Search(_host, QueryType.CNAME, _dnsname, null))
{
UMessageBox.Show("提示", mydns.header.RCODE.ToString());
return;
}
foreach (MyDnsRecord item in mydns.record.Records)
{
dt.Rows.Add(item.Name, item.QType.ToString(), item.RDDate.ToString().Replace(" ", "").Replace('|', '\r'), item.TTL.ToString());
}
if (!mydns.Search(_host, QueryType.TXT, _dnsname, null))
{
UMessageBox.Show("提示", mydns.header.RCODE.ToString());
return;
}
foreach (MyDnsRecord item in mydns.record.Records)
{
dt.Rows.Add(item.Name, item.QType.ToString(), item.RDDate.ToString().Replace(' ', '\r'), item.TTL.ToString());
}
bw.ReportProgress(100);
}
}
private void btnSearch_Click(object sender, EventArgs e)
{
Type myenum = typeof(QueryType);
Array ar = Enum.GetValues(myenum);
QueryType qtype = (QueryType )ar.GetValue(cbType.SelectedIndex);
MyDns mydns = new MyDns();
if (!mydns.Search(txtDomain.Text.Trim(), qtype, txtDns.Text.Trim(), null))
{
MessageBox.Show(mydns.header.RCODE.ToString());
return;
}
txtInfo.Clear();
txtInfo.AppendText(string.Format("回复记录数：{0}\n", mydns.header.ANCOUNT));
txtInfo.AppendText(string.Format("回复额外记录数：{0}\n", mydns.header.ARCOUNT));
txtInfo.AppendText(string.Format("回复权威记录数：{0}", mydns.header.NSCOUNT));
txtContent.Clear();
foreach (MyDnsRecord item in mydns.record.Records)
{
txtContent.AppendText(item.QType.ToString() + " " + item.RDDate.ToString() + "\n");
}
}
