public void ReportSuccess(Block OfBlock, DownloadSource Source, byte[] data)
{
if (OfBlock.Completed)
{
return;
}
OfBlock.Completed = true;
if (OfBlock.WorkingSource.Count > 1)
{
OfBlock.WorkingSource.ForEach(s => { if (s != Source)
{
s.Abort();
}
});
}
lock (this)
{
WorkingBlocks.Remove(OfBlock);
Downloaded += OfBlock.Length;
if (LocalFile != null)
{
LocalFile.Seek(OfBlock.Start, SeekOrigin.Begin);
LocalFile.Write(data, 0, data.Length);
LocalFile.Flush();
}
}
}
public void ReportFailure(Block OfBlock, DownloadSource Source)
{
lock (this)
{
OfBlock.WorkingSource.Remove(Source);
if (OfBlock.WorkingSource.Count == 0)
{
WorkingBlocks.Remove(OfBlock);
PendingBlocks.AddFirst(OfBlock);
}
}
}
public Block GetBlock(DownloadSource Source)
{
Block ret = null;
lock (this)
{
if (PendingBlocks.Count > 0)
{
ret = PendingBlocks.First.Value;
PendingBlocks.RemoveFirst();
WorkingBlocks.AddLast(ret);
}
else if (WorkingBlocks.Count > 0)
{
ret = WorkingBlocks.FirstOrDefault(b => b.WorkingSource.Count < 3 && b.WorkingSource.All(o => o.URL != Source.URL));
}
if (ret != null)
{
ret.WorkingSource.Add(Source);
}
}
return(ret);
}
