void Server_OnResponse(object sender, DNSEventArgs e)
{
var rs = e.Response;
if (rs == null)
{
return;
}
var remote = e.Session?.Remote;
var rq = rs.Questions[0];
// 记录历史
var hi = new History();
hi.Type = (Int32)rq.Type;
hi.Name = rq.Name;
if (remote != null)
{
hi.UserIP = remote.EndPoint.Address + "";
hi.ProtocolType = remote.Type;
}
if (rs.Answers != null && rs.Answers.Length > 0)
{
//entity.Address = rs.Answers[0].Text;
foreach (var item in rs.Answers)
{
//var dr = hi.CloneEntity(true);
var dr = new History();
dr.UserIP = hi.UserIP;
dr.ProtocolType = hi.ProtocolType;
dr.Type = (Int32)item.Type;
dr.Name = item.Name;
dr.Address = item.Text;
dr.SaveAsync();
}
}
else
{
hi.SaveAsync();
}
// 记录访问者
var vt = Visitor.Check(remote?.Host);
if (vt != null)
{
vt.LastDomainName = rq.Name;
vt.Hits++;
vt.LastVisit = DateTime.Now;
// 单对象缓存会自动保存
vt.SaveAsync();
}
}
void Server_OnNew(object sender, DNSEventArgs e)
{
var rs = e.Response;
if (rs == null)
{
return;
}
var list = new List <DNSRecord>();
if (rs.Answers != null)
{
list.AddRange(rs.Answers);
}
if (rs.Authoritis != null)
{
list.AddRange(rs.Authoritis);
}
if (rs.Additionals != null)
{
list.AddRange(rs.Additionals);
}
var rq = rs.Questions[0];
var now = DateTime.Now;
foreach (var dr in list)
{
var entity = Record.FindByQueryTypeAndNameAndAddress((Int32)dr.Type, rq.Name, dr.Text);
if (entity == null)
{
entity = new Record();
entity.Name = rq.Name;
entity.Type = (Int32)dr.Type;
entity.Address = dr.Text;
}
entity.TTL = now.Add(dr.TTL);
entity.Parent = e.Session.Remote + "";
entity.UpdateTime = DateTime.Now;
entity.SaveAsync();
}
}
void Server_OnRequest(object sender, DNSEventArgs e)
{
var dns = e.Request;
if (dns == null)
{
return;
}
// 查询规则
var rs = CheckRule(dns);
// 查询记录
if (rs == null)
{
rs = CheckRecord(dns);
}
if (rs != null)
{
e.Response = rs;
}
}