/// <exception cref="System.IO.IOException"></exception>
internal virtual void Send(NameServicePacket request,
NameServicePacket response,
int timeout)
{
//Log.Out("NameSerciceClient.Send - Start");
int nid = 0;
int max = NbtAddress.Nbns.Length;
if (max == 0)
{
max = 1;
}
lock (response)
{
this._isActive = true;
while (max-- > 0)
{
try
{
lock (_lock)
{
request.NameTrnId = GetNextNameTrnId();
nid = request.NameTrnId;
response.Received = false;
_responseTable.Put(nid, response);
//Log.Out($"NameSerciceClient.Send - timeout = {timeout}");
EnsureOpen(timeout + 1000);
int requestLenght = request.WriteWireFormat(_sndBuf, 0);
byte[] msg = new byte[requestLenght];
Array.Copy(_sndBuf, msg, requestLenght);
_socketSender.SetSocketOption(SocketOptionLevel.Socket,
SocketOptionName.Broadcast,
request.IsBroadcast
? 1
: 0);
_socketSender.SendTo(msg, new IPEndPoint(request.Addr, _lport));
//Log.Out("NameSerciceClient.Send - Sended");
if (_log.Level > 3)
{
_log.WriteLine(request);
Hexdump.ToHexdump(_log, _sndBuf, 0, requestLenght);
}
}
if (_waitResponse)
{
long start = Runtime.CurrentTimeMillis();
var isRecieved = false;
var startTime = DateTime.Now;
while (timeout > 0)
{
Runtime.Wait(response, timeout);
if (response.Received && request.QuestionType == response.RecordType)
{
//return;
isRecieved = true;
break;
}
response.Received = false;
timeout -= (int)(Runtime.CurrentTimeMillis() - start);
//if (timeout <= 0)
//{
// Log.Out($"NameSerciceClient.Send Timeout! - {(DateTime.Now - startTime).TotalMilliseconds} msec");
//}
}
if (isRecieved)
{
break;
}
}
}
catch (Exception ie)
{
if (_waitResponse)
{
_responseTable.Remove(nid);
}
//Log.Out("NameSerciceClient.Send - IOException");
throw new IOException(ie.Message);
}
finally
{
if (_waitResponse)
{
_responseTable.Remove(nid);
}
}
if (_waitResponse)
{
lock (_lock)
{
if (NbtAddress.IsWins(request.Addr) == false)
{
break;
}
if (request.Addr == NbtAddress.GetWinsAddress())
{
NbtAddress.SwitchWins();
}
request.Addr = NbtAddress.GetWinsAddress();
}
}
}
this._isActive = false;
//Log.Out("NameSerciceClient.Send - Normaly Ended.");
}
}
