private void DownloadThread(object sender, DoWorkEventArgs e)
{
ModDownloadInfo MDI = (ModDownloadInfo)e.Argument;
int RetryCounter = 0;
while (RetryCounter <= 5 && !threadPermFail)
{
try
{
HttpWebRequest hRequest = WebRequest.CreateHttp(MDI.url);
hRequest.AddRange(MDI.startPosition, MDI.startPosition + MDI.Length);
WebResponse hResp = hRequest.GetResponse();
Stream nStream = hResp.GetResponseStream();
byte[] b = new byte[hResp.ContentLength];
Debug.WriteLine(MDI.startPosition + " " + MDI.Length + " " + hResp.ContentLength);
nStream.Read(b, 0, (int)hResp.ContentLength);
if (MDI.Length > hResp.ContentLength)
{
Array.Resize(ref b, MDI.Length);
for (int i = 0; i < MDI.Length - hResp.ContentLength; i++)
{
b[hResp.ContentLength + i] = 0;
}
}
MemoryStream mstmp = new MemoryStream(b);
//nStream.CopyTo(mstmp);
DownloadedData.Add(MDI.startPosition, mstmp);
//
DownloadedBytes += MDI.Length + 1;
return;
}
catch (Exception ex)
{
RetryCounter++;
if (RetryCounter > 5)
{
threadPermFail = true;
//Logger.Error(ex.Message + "\r\nThread: " + MDI.url +", start at " + MDI.startPosition);
return;
}
}
}
}
private bool MTDownloader(object data)
{
ModToDownload mtd = (ModToDownload)data;
SetStatusLabelText("Downloading Mod " + mtd.modname);
DownloadedData = new Dictionary <int, MemoryStream>();
DownloadedBytes = 0;
Logger.Info("Download process for mod " + mtd.modname + " starting, URI: " + mtd.url);
long mSize = 0;
HttpWebRequest wRequest = WebRequest.CreateHttp(mtd.url);
wRequest.Method = "HEAD";
wRequest.Timeout = 2000;
HttpWebResponse wResponse = (HttpWebResponse)wRequest.GetResponse();
if (wResponse.StatusCode == HttpStatusCode.OK)
{
mSize = wResponse.ContentLength;
}
else
{
Logger.Error("Cannot get length of mod file, exiting. " + mtd.url);
return(false);
}
wResponse.Dispose();
SetProgressBarMaxValue((int)mSize + 1);
SetProgressBarValue(0);
WebClient wc = new WebClient();
byte[] dt = wc.DownloadData(mtd.url);
Logger.Info("Size:" + mSize);
ModThread mds = new ModThread();
mds.modname = mtd.modname;
mds.threads = new List <BackgroundWorker>();
int threadSize = (int)mSize / 4;
int endingThreadSize = threadSize + (int)mSize % 4;
threadPermFail = false;
for (int i = 0; i < 4; i++)
{
ModDownloadInfo mdi = new ModDownloadInfo();
if (i == 3)
{
mdi.startPosition = i * threadSize;
mdi.Length = endingThreadSize + 1;
}
else
{
mdi.startPosition = i * threadSize;
mdi.Length = threadSize;
}
mdi.url = mtd.url;
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += new DoWorkEventHandler(DownloadThread);
mds.threads.Add(bw);
mds.threads.Last().RunWorkerAsync(mdi);
}
Logger.Info("Download started, thread:1");
while (true)
{
if ((DownloadedBytes % 50) == 0)
{
SetProgressBarValue((int)DownloadedBytes);
}
if (DownloadedBytes >= mSize)
{
SetProgressBarValue((int)mSize);
CompositeAndWriteFile(mtd.modname);
EnableBtns();
return(true);
}
else
{
if (threadPermFail == true)
{
MessageBox.Show("Error, a thread failed to download a part of the file.\r\nFile Name:" + mtd.modname);
Logger.Error("Download " + mtd.modname + " Failed.");
return(false);
}
}
}
}
