/// <summary>
/// Called when [task executing].
/// </summary>
/// <param name="task">The task.</param>
internal void OnTaskExecuting(IScheduledTaskWorker task)
{
TaskExecuting?.Invoke(this, new GenericEventArgs <IScheduledTaskWorker>
{
Argument = task
});
}
private void PerformUpdate()
{
if (StartupArguments.MCSyncProcessID != -1)
{
NonTaskExecuting?.Invoke(this, "Waiting for MCSync to close...");
while (Process.GetProcesses().Any(p => p.Id == StartupArguments.MCSyncProcessID))
{
Thread.Sleep(50);
}
}
NetworkCredential ftpCredentials = new NetworkCredential("Reporting", "NetLogon");
FtpWebRequest webRequest = (FtpWebRequest)WebRequest.Create($"ftp://www.clussmanproductions.com/support/MCSyncNew/updates/{StartupArguments.VersionToDownload}");
webRequest.Method = WebRequestMethods.Ftp.ListDirectory;
webRequest.Credentials = ftpCredentials;
string files;
try
{
using (Stream responseStream = webRequest.GetResponse().GetResponseStream())
using (StreamReader reader = new StreamReader(responseStream))
{
files = reader.ReadToEnd();
}
}
catch (WebException _)
{
InvalidVersion?.Invoke(this, new EventArgs());
return;
}
using (StringReader reader = new StringReader(files))
{
string file;
int counter = 0;
while ((file = reader.ReadLine()) != null)
{
counter++;
}
NumberOfTasks?.Invoke(this, counter);
}
string directoryPrefix = "";
if (!string.IsNullOrEmpty(StartupArguments.FolderToDelete) && Directory.GetCurrentDirectory().Contains(StartupArguments.FolderToDelete))
{
directoryPrefix = "..\\";
}
using (StringReader reader = new StringReader(files))
{
string file;
while ((file = reader.ReadLine()) != null)
{
TaskExecuting?.Invoke(this, "Downloading " + file);
webRequest = (FtpWebRequest)WebRequest.Create($"ftp://www.clussmanproductions.com/support/MCSyncNew/updates/{StartupArguments.VersionToDownload}/{file}");
webRequest.Credentials = ftpCredentials;
webRequest.Method = WebRequestMethods.Ftp.DownloadFile;
using (Stream responseStream = webRequest.GetResponse().GetResponseStream())
using (Stream fileStream = File.Create(directoryPrefix + file))
{
responseStream.CopyTo(fileStream);
}
}
}
StringBuilder argumentBuilder = new StringBuilder($"-processID {Process.GetCurrentProcess().Id}");
if (!string.IsNullOrEmpty(StartupArguments.FolderToDelete))
{
argumentBuilder.Append($" -folder {StartupArguments.FolderToDelete}");
}
NonTaskExecuting?.Invoke(this, "Starting MCSync...");
ProcessStartInfo startInfo = new ProcessStartInfo(directoryPrefix + "MesaSuite.exe", argumentBuilder.ToString());
startInfo.WorkingDirectory = Directory.GetCurrentDirectory() + directoryPrefix;
Process.Start(startInfo);
}
private async Task Next(CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (!_isBusy)
{
if (queue.Count > 0)
{
// Optional delay.
if (Delay > default(TimeSpan))
{
await Task.Delay(Delay);
}
// Peek the current task.
var context = queue.Peek();
try
{
_isRunning = true;
_isBusy = true;
// Execute the current task.
TaskExecuting?.Invoke(this, new TaskEventArgs(context.Tag));
await context.Action(context, cts.Token);
}
catch (Exception exc)
{
// Handle any exception thrown inside a task.
// Invoke the Exception event handlers.
TaskException?.Invoke(this, new TaskEventArgs(context.Tag, exc));
if (CancelOnException)
{
// Cancel the queue.
ClearInternal();
}
}
TaskExecuted?.Invoke(this, new TaskEventArgs(context.Tag));
// Dequeue the currently finished task and request the next.
if (queue.Count > 0)
{
queue.Dequeue();
}
_isBusy = false;
await Next(cts.Token);
}
}
else
{
_isRunning = false;
}
}
/// <summary>
/// 通知工作线程即将执行任务。
/// </summary>
/// <param name="e"></param>
protected virtual void OnTaskExecuting(TaskExecutingEventArgs <TTask> e)
{
TaskExecuting?.Invoke(this, e);
}
/// <summary>
/// 通知工作线程即将执行任务。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void OnTaskExecuting(object sender, TaskExecutingEventArgs <TTask> e)
{
IncrementWorkThread();
TaskExecuting?.Invoke(sender, e);
}
