public ResponseHandler SendCommand(string commandText)
{
var dgram = new CommandDatagram(this.GetNextCommandSequenceNumber(), commandText);
return this.SendDatagram(dgram);
}
/// <summary>
/// Sends a command to the server with the specified sequenceNumber,
/// and returns a <see cref="ResponseHandler"/> object that can be
/// used to wait for the response and to retrieve it.
/// </summary>
/// <param name="sequenceNumber"> The sequence number for the datagram to be sent. </param>
/// <param name="commandText"> The command text to send. </param>
/// <returns>
/// A <see cref="ResponseHandler"/> object that can be used used to
/// wait for the response and to retrieve it.
/// </returns>
/// <remarks> This method is only used for testing. </remarks>
internal ResponseHandler SendCommand(byte sequenceNumber, string commandText)
{
var dgram = new CommandDatagram(sequenceNumber, commandText);
return this.dispatcher.SendDatagram(dgram);
}
private void SendKeepAliveDatagram()
{
if (this.sequenceNumber == -1)
{
this.sequenceNumber = this.datagramSender.GetNextCommandSequenceNumber();
}
Debug.WriteLine("keep alive datagram {0} sent", this.sentCount + 1);
var keepAliveDgram = new CommandDatagram((byte)this.sequenceNumber, string.Empty);
var responseHandler = this.datagramSender.SendDatagram(keepAliveDgram);
this.sentHandlers.Add(responseHandler);
this.lastSendTime = DateTime.Now;
this.sentCount++;
this.metrics.KeepAliveDatagramsSent++;
this.Log.TraceFormat("C#{0:000} Sent keep alive command.", keepAliveDgram.SequenceNumber);
}
