/// <summary>
/// Serializes the specified command.
/// </summary>
/// <param name="command">The command.</param>
/// <returns>A string representation of the command.</returns>
public static String Serialize(WatchoutCommand command)
{
String str = String.Format("[{0}]{1}", command.ID, command.Name);
foreach (var prop in command.GetType().GetProperties().Where(pi => !pi.GetCustomAttributes(typeof(WatchoutIgnoreAttribute), true).Any()))
{
var o = prop.GetValue(command);
if (o != null)
{
String value = String.Empty;
if (prop.PropertyType == typeof(String))
{
value = "\"" + o.ToString() + "\"";
}
else if (prop.PropertyType == typeof(bool))
{
value = o.ToString().ToLower();
}
else if (prop.PropertyType == typeof(TimeSpan))
{
value = "\"" + ((TimeSpan)o).ToString(@"hh\:mm\:ss\.fff") + "\"";
}
else
{
value = o.ToString();
}
str += " " + value;
}
}
return(str + "\r\n");
}
/// <summary>
/// Sending thread loop.
/// </summary>
private void SendingMethod()
{
while (IsConnected)
{
if (_commandQueue.Count > 0)
{
WatchoutCommand command = null;
if (_commandQueue.TryDequeue(out command))
{
String commandText = CommandFormatter.Serialize(command);
Debug.WriteLine("Sending: " + commandText);
try
{
var stream = _tcpClient.GetStream();
byte[] commandBytes = Encoding.UTF8.GetBytes(commandText);
stream.Write(commandBytes, 0, commandBytes.Length);
}
catch { }
}
}
Thread.Sleep(30);
}
}
/// <summary>
/// Sends the specified <see cref="WatchoutCommand" /> asynchronously while waiting for a response.
/// </summary>
/// <typeparam name="T">The <see cref="WatchoutFeedback" /> type.</typeparam>
/// <param name="command">The command.</param>
/// <returns>
/// Returns the proper feedback.
/// </returns>
public async Task <T> SendCommand <T>(WatchoutCommand command) where T : WatchoutFeedback
{
Task <T> task = new Task <T>(() =>
{
SendCommand(command);
DateTime sentDate = DateTime.Now;
while (!_availableFeedbacks.Exists(x => x.ID == command.ID) && DateTime.Now < sentDate.AddSeconds(CommandsTimeout))
{
Thread.Sleep(30);
}
var feedback = _availableFeedbacks.SingleOrDefault(x => x.ID == command.ID) as T;
if (feedback == null)
{
WatchoutFeedback falseInstnce = Activator.CreateInstance <T>();
falseInstnce.CommandName = command.Name;
falseInstnce.ID = command.ID;
falseInstnce.Error = new ErrorFeedback()
{
ErrorKind = ErrorKind.NETWORK_ERRORS, Explanation = "Could not contact the Watchout server."
};
return(falseInstnce as T);
}
else
{
feedback.CommandName = command.Name;
}
_availableFeedbacks.Remove(feedback);
if (feedback.GetType() == typeof(ErrorFeedback))
{
WatchoutFeedback falseInstnce = Activator.CreateInstance <T>();
falseInstnce.ID = feedback.ID;
falseInstnce.Error = feedback as ErrorFeedback;
return(falseInstnce as T);
}
return(feedback);
});
task.Start();
await task;
return(task.Result);
}
/// <summary>
/// Sends the specified <see cref="WatchoutCommand" />.
/// </summary>
/// <param name="command">The command.</param>
public void SendCommand(WatchoutCommand command)
{
_commandQueue.Enqueue(command);
}
