public ServerTask(TwitterAcc twitterRequest)
{
if (!twitterRequest.GetAuthObj(out twitterAuth))
{
Log.Error("Auth failed");
}
twitterName = twitterRequest.Name;
}
private Queue <TwitterAcc> nonAddedRequests = new Queue <TwitterAcc>(); //Requests from the browser goes into here
/// <summary>
/// //The main function of the queue server
/// </summary>
public async void TaskQueue()
{
Queue <Task> taskQueue = new Queue <Task>(); //Queue of tasks that are not started yet
List <Task> runningTasksList = new List <Task>(); //List of currently running tasks.
while (true) //runs for as long as the server is up.
{
while (ThereIsNewTask()) // Adds all requests to the queue as tasks.
{
TwitterAcc input = nonAddedRequests.Peek();
Log.Debug("Task entered queue with ID " + input.RequestID);
Task newTask = new Task(() =>
{
ServerTask st = new ServerTask(input);
st.Run();
});
taskQueue.Enqueue(newTask);
nonAddedRequests.Dequeue();
}
while (runningTasksList.Count < Constants.QUEUE_SERVER_TASK_LIMIT) //Starts tasks from the queue until there are none left or the limit is reached.
{
if (taskQueue.Count > 0)
{
runningTasksList.Add(taskQueue.Peek());
await RunTaskAsync(taskQueue.Dequeue());
}
else
{
break;
}
}
if (runningTasksList.Count > 0) // If any tasks are running, it removes the completed ones from the list.
{
List <Task> runningTasksListInstance = new List <Task>();
runningTasksListInstance.AddRange(runningTasksList);
foreach (var task in runningTasksListInstance)
{
if (task.IsCompleted)
{
runningTasksList.Remove(task);
}
}
}
}
}
//The method used by the server to add requests to the request queue.
public bool AddTask(TwitterAcc tAcc)
{
bool wasSuccesful = true;
try
{
//If the twitter account does not exist or if any of the two keys do not contain proper information, it can not be added.
if (tAcc == null || (String.IsNullOrWhiteSpace(tAcc.Name) || String.IsNullOrWhiteSpace(tAcc.Token) || String.IsNullOrWhiteSpace(tAcc.Secret)))
{
return(false);
}
nonAddedRequests.Enqueue(tAcc);
}
catch (Exception) //It does not matter what the exception is.
{
wasSuccesful = false;
}
return(wasSuccesful);
}
