public static BackgroundWorker WithHandlers(this BackgroundWorker bw, DoWorkDelegate doWorkDelegate, ProgressChangedDelegate progressChangedDelegate, RunWorkerCompletedDelegate runWorkerCompletedDelegate)
{
bw.DoWork += new DoWorkEventHandler((sender, dwe) => { doWorkDelegate(dwe); });
bw.ProgressChanged += new ProgressChangedEventHandler((sender, pce) => { progressChangedDelegate(pce); });
bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler((sender, rwce) => { runWorkerCompletedDelegate(rwce); });
return bw;
}
/// <summary>
/// Occurs in case of progress change.
/// </summary>
/// <param name="e">ProgressChangedEventArgs.</param>
protected virtual void OnProgressChanged(ProgressChangedEventArgs e)
{
ProgressChangedDelegate handler = ProgressChanged;
if (handler != null)
{
handler(this, e);
}
}
public PeerConnectionManager(int localPort, string address, ProgressChangedDelegate progressChangedDelegate)
{
requestedFileListDelegate = new RequestedFileListDelegate(RequestedFileList);
requestedFileDelegate = new RequestedFileDelegate(RequestedFile);
cancelFileTransferDelegate = new CancelFileTransferDelegate(CancelFileTransfer);
stopDelegate = new StopDelegate(this.StopThread);
getFileFromPeerDelegate = new GetFileFromPeer(this.GetFileFromPeer);
getFileListFromPeerDelegate = new GetFileListFromPeer(this.GetFileListFromPeer);
this.progressChangedDelegate = progressChangedDelegate;
this._localPort = localPort;
this._localAddress = address;
}
public object DownloadFile(Uri uri, string fileName, DownloadCompleteDelegate onComplete, ProgressChangedDelegate onProgressChanged, object userData)
{
WebClient client = GetIdleClient();
Handle handle = new Handle(uri, client, onComplete, onProgressChanged, userData);
try
{
FileInfo file = new FileInfo(fileName);
if (file.Exists)
file.Delete();
if (!file.Directory.Exists)
file.Directory.Create();
client.DownloadFileAsync(uri, fileName, handle);
}
catch (Exception)
{
client.CancelAsync();
m_idleClients.Add(client);
return null;
}
return handle;
}
public Handle(Uri uri, WebClient client, DownloadCompleteDelegate onComplete, ProgressChangedDelegate onProgressChanged, object userData)
{
this.startTime = DateTime.Now;
this.uri = uri;
this.client = client;
this.onComplete = onComplete;
this.onProgressChanged = onProgressChanged;
this.complete = false;
this.userData = userData;
}