public override void Write(byte[] data)
{
if (this.IsConnected())
{
// Instead of sending the data directly to the device, encapsulate the data
// and put it into the queue
switch (data.Length)
{
case 2:
{
var message = new KdmWriteMessage { OperationCode = data[0], Data = data[1] };
this.Log.Debug("A write message is added to the message queue");
this.EnqueueMessage(message);
}
break;
case 1:
{
var operationCode = data[0];
IKdmMessage message;
if (Constants.OperationCodes.IsRestartCommand(operationCode))
{
message = new KdmRestartMessage { OperationCode = operationCode };
this.Log.Debug("A restart message is added to message queue");
}
else
{
message = new KdmReadMessage { OperationCode = operationCode };
this.Log.Debug("A read message is added to the message queue");
}
this.EnqueueMessage(message);
}
break;
default:
this.Log.Error("Unknown message format");
break;
}
}
else
{
this.Log.Error("Cannot send command because there is no connection available with the device");
}
}
/// <summary>
/// This method is called if the operation code is sent to device and it's echo is received and the message is a read message
/// </summary>
/// <param name="message"></param>
private void CheckForReadMessageStates(KdmReadMessage message)
{
if (message.OperationCode == Constants.OperationCodes.WriteCommands.OverrideLuminanceTemperatureLimit.Code ||
message.OperationCode == Constants.OperationCodes.WriteCommands.CancelLuminanceTemperatureOverride.Code ||
message.OperationCode == Constants.OperationCodes.WriteCommands.NoOperation.Code)
{
// If the operation code is one of the values in the if statement, then it means
// the message is actually a write message but having no data byte.
// (It is interpretted as a read message since it does not have a data byte)
this.Log.Debug($"Write message successfully processed. Retry count {this.OnProcessMessage.RetryCount}");
message.IsMessageProcessingCompleted = true;
}
else if (message.IsResponseReceived)
{
// The best case scenario, everything worked fine
this.Log.Debug($"Read message successfully processed and response received. Retry count {this.OnProcessMessage.RetryCount}");
message.IsMessageProcessingCompleted = true;
base.HandleMessageReceived(new[] { message.OperationCode, message.Response }); // Notify device proxy with the received response
}
else if (message.OperationCodeEchoReceiveTime.AddMilliseconds(this.waitResponseTimeout) < DateTime.Now)
{
// Wait for response timeout occurred.
this.Log.Error("Timeout occurred while waiting for the read command data response");
this.RetryOnProcessMessage();
}
else
{
// this.Log.Debug("Waiting for data response");
}
}
private void AddReadMessage(string settingName, List<KdmReadMessage> messageList)
{
var readIsEnabled = ApplicationSettings.GetBoolean(settingName);
if (!readIsEnabled) return;
var operationCode = Constants.OperationCodes.CommandOperationCodeDictionary[settingName];
var readMessage = new KdmReadMessage {OperationCode = operationCode.Code};
messageList.Add(readMessage);
}