public void WriteData()
{
if (_queue.Count == 0)
{
return;
}
lock (_writeLock) {
if (_writing > 0)
{
return;
}
_writing = 1;
}
while (Queue.Count > 0)
{
QueueItem q;
int cbRead;
byte[] buffer = new byte[1024];
if (!_queue.TryDequeue(out q))
{
break;
}
if (_tlsClient != null)
{
_tlsClient.OfferOutput(q.Data, 0, q.Data.Length);
do
{
cbRead = _tlsClient.ReadOutput(buffer, 0, buffer.Length);
_stm.Write(buffer, 0, cbRead);
} while (cbRead > 0);
}
else if (_tlsServer != null)
{
_tlsServer.OfferOutput(q.Data, 0, q.Data.Length);
do
{
cbRead = _tlsServer.ReadOutput(buffer, 0, buffer.Length);
_stm.Write(buffer, 0, cbRead);
} while (cbRead > 0);
}
}
lock (_writeLock) {
_writing = 0;
if (_queue.Count > 0)
{
WriteData();
}
}
}
/// <summary>
/// Start up a session on the server side
/// </summary>
public void Accept()
{
TlsServerProtocol serverProtocol = new TlsServerProtocol(new SecureRandom());
TlsServer server = new TlsServer(_signingKeys, _clientKeys);
// Make sure we do not startup a listing thread as the correct call is always made
// byt the DTLS accept protocol.
_stm = _client.GetStream();
serverProtocol.Accept(server);
bool sleep = true;
while (!server.HandshakeComplete)
{
sleep = true;
if (_stm.DataAvailable)
{
byte[] data = new byte[1024];
int cbRead = _stm.Read(data, 0, data.Length);
Array.Resize(ref data, cbRead);
serverProtocol.OfferInput(data);
sleep = false;
}
int cbToRead = serverProtocol.GetAvailableOutputBytes();
if (cbToRead != 0)
{
byte[] data = new byte[cbToRead];
int cbRead = serverProtocol.ReadOutput(data, 0, cbToRead);
_stm.Write(data, 0, cbRead);
sleep = false;
}
if (sleep)
{
Thread.Sleep(100);
}
}
_tlsServer = serverProtocol;
_authKey = server.AuthenticationKey;
_stm.BeginRead(_buffer, 0, _buffer.Length, ReadCallback, this);
}
