/// <summary>
/// Sends the telecontrol command.
/// </summary>
public void SendCommand(TeleCommand command, WriteFlags writeFlags, out CommandResult commandResult)
{
if (command.CnlNum > 0)
{
// validate and send command
coreLogic.SendCommand(command, writeFlags, out commandResult);
}
else
{
// process acknowledgment command that can only be sent by module
if (command.CmdCode == ServerCmdCode.AckEvent)
{
coreLogic.AckEvent(new EventAck
{
EventID = BitConverter.DoubleToInt64Bits(command.CmdVal),
Timestamp = command.CreationTime,
UserID = command.UserID
}, false, false);
}
// set command ID and creation time
if (command.CommandID <= 0)
{
DateTime utcNow = DateTime.UtcNow;
command.CommandID = ScadaUtils.GenerateUniqueID(utcNow);
command.CreationTime = utcNow;
}
// pass command directly to clients
listener.EnqueueCommand(command);
commandResult = new CommandResult(true);
}
}
/// <summary>
/// Acknowledges the event.
/// </summary>
protected void AckEvent(ConnectedClient client, DataPacket request, out ResponsePacket response)
{
byte[] buffer = request.Buffer;
int index = ArgumentIndex;
long eventID = GetInt64(buffer, ref index);
DateTime timestamp = GetTime(buffer, ref index);
int userID = GetInt32(buffer, ref index);
coreLogic.AckEvent(eventID, timestamp, userID);
response = new ResponsePacket(request, client.OutBuf);
}
/// <summary>
/// Acknowledges the event.
/// </summary>
private void AckEvent(ConnectedClient client, DataPacket request, out ResponsePacket response)
{
byte[] buffer = request.Buffer;
int index = ArgumentIndex;
EventAck eventAck = new EventAck
{
EventID = GetInt64(buffer, ref index),
Timestamp = GetTime(buffer, ref index),
UserID = GetInt32(buffer, ref index)
};
if (eventAck.UserID <= 0)
{
eventAck.UserID = client.UserID;
}
coreLogic.AckEvent(eventAck);
response = new ResponsePacket(request, client.OutBuf);
}