Hi,
I tried the MonoTorrent library and found a bug preventing if from working with large torrents or files.
The torrent contained a file with > 3GB size (Linux DVD image):
System.IO.IOException was unhandled
Message="An attempt was made to move the file pointer before the beginning of the file.\r\n"
Source="mscorlib"
StackTrace:
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.SeekCore(Int64 offset, SeekOrigin origin)
at System.IO.FileStream.Seek(Int64 offset, SeekOrigin origin)
at MonoTorrent.Client.FileManager.Read(Byte[] buffer, Int32 bufferOffset, Int64 offset, Int32 count)
at MonoTorrent.Client.FileManager.GetHash (Int32 pieceIndex)
at MonoTorrent.Client.TorrentManager.HashCheck(Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)
Also some functions like e.g. torrent.DownloadSpeed () seem to be pretty complicated to get right in terms of multithreading use.
Happy Hacking
Andreas
Hi,
I only just noticed the bug today as i wasnt subscribed to the mono dev list. As you can see, i'm now subscribed ;) Also, the bug is fixed in the latest SVN. Just had to change an int to a long. The int was overflowing with an torrent above 2 gigs in size.
Also, about the DownloadSpeed() and UploadSpeed() methods. I have a few ideas for simplifying that. As it is, that's the first thing that came to my mind when i had to monitor download speed, but i agree with you 100%. Its too complicated and multithread un-safe.
Any other bugs, feel free to give me a shout. If anyone wants to start coding for the library, feel free :)
Alan.
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