/// <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>
/// Deserializes the specified response string and returns the proper <see cref="WatchoutFeedback"/>.
/// </summary>
/// <param name="response">The response string.</param>
/// <returns>Returns the proper <see cref="WatchoutFeedback"/>.</returns>
public static WatchoutFeedback Deserialize(String response)
{
response = RemoveCarriageReturn(response);
var feedbackTypes = Assembly.GetAssembly(typeof(CommandFormatter)).GetTypes().Where(t => t != typeof(WatchoutFeedback) && typeof(WatchoutFeedback).IsAssignableFrom(t));
List <String> parameters = Regex.Matches(response, @"[\""].+?[\""]|[^ ]+")
.Cast <Match>()
.Select(m => m.Value)
.ToList();
String commandName = parameters.FirstOrDefault();
if (parameters.Count == 1 && commandName.Contains("["))
{
return(new WatchoutFeedback()
{
ID = commandName.Replace("[", "").Replace("]", "")
});
}
parameters.RemoveAt(0);
String commandId = null;
if (commandName.Contains("["))
{
commandName = commandName.Remove(0, 1);
String[] commandAndID = commandName.Split(']');
commandId = commandAndID[0];
commandName = commandAndID[1];
}
foreach (var type in feedbackTypes)
{
String fName = type.GetAttributeValue((FeedbackNameAttribute att) => att.Name);
if (fName == commandName)
{
WatchoutFeedback feedback = Activator.CreateInstance(type) as WatchoutFeedback;
feedback.ID = commandId;
var props = type.GetProperties().Where(pi => !pi.GetCustomAttributes(typeof(WatchoutIgnoreAttribute), true).Any()).ToList();
for (int i = 0; i < parameters.Count; i++)
{
if (i > props.Count - 1)
{
break;
}
var prop = props[i];
if (prop.PropertyType == typeof(String))
{
prop.SetValue(feedback, Convert.ChangeType(parameters[i].Replace("\"", ""), prop.PropertyType));
}
else if (prop.PropertyType == typeof(TimeSpan))
{
prop.SetValue(feedback, TimeSpan.FromMilliseconds(Convert.ToInt32(parameters[i])));
}
else if (prop.PropertyType.IsEnum)
{
int number = -1;
if (int.TryParse(parameters[i], out number))
{
prop.SetValue(feedback, Convert.ChangeType(Enum.ToObject(prop.PropertyType, number), prop.PropertyType));
}
}
else
{
prop.SetValue(feedback, Convert.ChangeType(parameters[i], prop.PropertyType));
}
}
return(feedback);
}
}
Debug.WriteLine("Unrecognized feedback received. " + response);
return(null);
//throw new UnrecognizedFeedbackException("Unrecognized feedback received. " + response);
}
