DNSEntity GetDNS(String key, DNSEntity request)
{
// 批量请求父级代理
var dic = DNSClient.QueryAll(_Clients, request);
if (dic.Count == 0)
{
return(null);
}
DNSEntity rs = null;
foreach (var item in dic)
{
rs = item.Value;
var nc = item.Key.Client;
WriteLog("{0} GetDNS {1}", nc.Remote, rs);
if (OnNew != null)
{
var e = new DNSEventArgs {
Request = request, Response = item.Value, Session = nc
};
OnNew(this, e);
}
}
return(rs);
}
/// <summary>启动服务</summary>
protected override void OnStart()
{
// 如果没有设置父级DNS，则使用本地DNS
var ps = Parents;
if (ps.Count == 0)
{
ps.AddRange(GetLocalDNS());
}
base.OnStart();
// 准备连接
_Clients = new List <DNSClient>();
foreach (var item in Parents.ToArray())
{
var nc = new DNSClient(item);
TaskEx.Run(() =>
{
if (nc.Open())
{
WriteLog("已连接父级DNS：{0}", nc.Client.Remote);
lock (_Clients) { _Clients.Add(nc); }
}
});
}
}
