public Download(Peer __peer, RingInfo __ringInfo, ResourceHeader __header,
UICallBack __UIHandler)
{
peer = __peer;
ringInfo = __ringInfo;
header = __header;
//REVISIT: make sure there is enough room for meta data. Also if very large you want to split up into a list of
//buffers or circular buffer where the buffer is written to temp file at milestones.
buffer = new byte[header.size];
bytesRead = 0;
UIHandler = __UIHandler;
}
public bool Download(Peer peer, RingInfo ringInfo, ResourceHeader resourceHeader,
UICallBack UIHndlr)
{
Download download = new Download(peer, ringInfo, resourceHeader, UIHndlr);
int downloadIndex = Add(download);
if (downloadIndex < 0)
{
Queue(download);
return false;
}
Download_Internal(download);
return true;
}
private void searchResultDoubleClickHandler(object Sender, System.EventArgs e)
{
int selectIndex = this.queryHitsGrid.CurrentRowIndex;
DataRow dr = queryResultsTable.Rows[selectIndex];
Peer peer = (Peer)dr[5];
RingInfo ringInfo = (RingInfo)dr[6];
ResourceHeader header = (ResourceHeader)dr[7];
ProgressBar downloadBar = new ProgressBar();
dr[4] = downloadBar;
downloadBar.Maximum = (int)header.size;
Rectangle cellBound = queryHitsGrid.GetCellBounds(selectIndex, 4);
downloadBar.Bounds = cellBound;
downloadBar.Location = new Point(cellBound.X, cellBound.Y);
downloadBar.Name = "downloadProgressBar";
downloadBar.Size = new Size(cellBound.Width, cellBound.Height);
downloadBar.Visible = true;
UpdateUIHandler downloadProgressBarUpdate = new UpdateUIHandler(updateDownloadProgressBar);
UICallBack progressBarUpdate = new UICallBack(downloadProgressBarUpdate, downloadBar);
client.RetreiveResource(peer, ringInfo, header, progressBarUpdate);
//MessageBox.Show("downloading " + header.name + "...");
}
public void RetreiveResource(Peer peer, RingInfo ringInfo, ResourceHeader resourceHeader,
UICallBack UIHndlr)
{
downloadManager.Download(peer, ringInfo, resourceHeader, UIHndlr);
}
