public void UploadFile(string source, IResource destinationResource) {
destinationResource.TimeOut = System.Threading.Timeout.Infinite;
this.buttonReady.Enabled = false;
this.labelFileDownload.Text = "Datei (" + destinationResource.DisplayName + ") wird hochgeladen: ";
this._downloadInProgress = true;
FileInfo file = new FileInfo(source);
this._worker = new BackgroundWorker();
this._worker.WorkerReportsProgress = true;
this._worker.WorkerSupportsCancellation = true;
this._worker.DoWork += new DoWorkEventHandler((object sender, DoWorkEventArgs e) => {
Console.WriteLine("BackgroundWorker gestartet");
try {
using(Stream webStream = destinationResource.GetWriteStream("application/octet-stream", file.Length)) {
int bufSize = 1024; // 1Kb
byte[] buffer = new byte[bufSize];
int bytesRead = 0;
long totalBytesRead = 0;
DateTime begin = DateTime.Now;
using(FileStream fileStream = file.OpenRead()) {
do {
if (this._worker.CancellationPending) {
e.Cancel = true;
Console.WriteLine("BackgroundWorker wird abgebrochen!");
break;
}
bytesRead = fileStream.Read(buffer, 0, bufSize);
if (bytesRead > 0) {
try {
webStream.Write(buffer, 0, bytesRead);
totalBytesRead += bytesRead;
if (DateTime.Now.Subtract(begin).TotalSeconds >= 1) {
int ProgressPercentage = (int)(totalBytesRead * 100 / file.Length);
this._worker.ReportProgress(ProgressPercentage, totalBytesRead);
begin = DateTime.Now;
}
} catch(Exception writeException) {
e.Cancel = true;
Console.WriteLine("Verbindung wurde unerwartet unterbrochen! (" + totalBytesRead + " bytes)");
MessageBox.Show(writeException.Message);
break;
}
}
} while (bytesRead > 0);
}
string result = "";
if (webStream.CanRead) {
byte[] buffer2 = new byte[8192];
int bytesRead2 = 0;
do {
bytesRead2 = webStream.Read(buffer2, 0, buffer2.Length);
if (bytesRead2 > 0) {
result += Encoding.UTF8.GetString(buffer2, 0, bytesRead2);
}
} while (bytesRead2 > 0);
}
if (result != String.Empty) {
Console.WriteLine(result);
}
}
} catch(Exception exc) {
e.Cancel = true;
MessageBox.Show(exc.Message);
}
}
);
this._worker.ProgressChanged += new ProgressChangedEventHandler((object sender, ProgressChangedEventArgs e) => {
int ProgressPercentage = Convert.ToInt32((long)e.UserState * 100.0 / file.Length);
this.labelFileDownload.Text = String.Format("Datei ({0}) wird hochgeladen: {1}/{2}", destinationResource.DisplayName, this.GetBestSizeFormat((long)e.UserState), this.GetBestSizeFormat(file.Length));
this.labelPercentage.Text = ProgressPercentage.ToString() + "%";
progressBarFileDownload.Value = ProgressPercentage;
}
);
this._worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler((object sender, RunWorkerCompletedEventArgs e) => {
Console.WriteLine("BackgroundWorker fertig!");
if (!e.Cancelled) {
progressBarFileDownload.Value = 100;
this.labelFileDownload.Text = String.Format("Datei ({0}) wird hochgeladen: {1}/{2}", destinationResource.DisplayName, this.GetBestSizeFormat(file.Length), this.GetBestSizeFormat(file.Length));
this.labelPercentage.Text = "100%";
}
this._downloadInProgress = false;
this.buttonReady.Enabled = true;
}
);
this._worker.RunWorkerAsync();
}
