private void ParseSession(BDictionary contents, Torrent newTorrent, string sessionPath)
{
string piecesState = standardParser.Parse <BString>(contents.First().Value.EncodeAsBytes()).ToString();
var sharedFile = new DownloadingFile(this, newTorrent, piecesState, sessionPath);
filesList.AddLast(sharedFile);
}
public MainForm()
{
fileIsDownloading = false;
standardParser = new BencodeParser();
if (!RestoreSessionIfPresent())
{
filesList = new LinkedList <DownloadingFile>();
}
myPeerID = GeneratePeerID();
DownloadingFile.messageHandler = new MessageHandler(400);
if (!DownloadingFile.messageHandler.isStarted)
{
DownloadingFile.messageHandler.Start();
}
try
{
FileWorker.CreateMainSession();
}
catch
{
// cannot create new main session; it won't be saved
// old file hasn't been rewritten, so restart the program
// in new location or something
}
nowSelected = null;
InitializeComponent();
}
private async Task AddNewTorrentAsync(DownloadingFile newSharedFile, bool start)
{
filesList.AddLast(newSharedFile);
if (start && !fileIsDownloading)
{
fileIsDownloading = true;
await newSharedFile.StartAsync().ConfigureAwait(false);
}
}
public void UpdateSeedersLeechersNum(DownloadingFile sharedFile, int seeders, int leechers)
{
if (InvokeRequired)
{
Invoke(new MethodInvoker(() => FilesArea.Items[sharedFile.listViewEntryID].SubItems[4].Text =
seeders + "/" + leechers));
}
else
{
FilesArea.Items[sharedFile.listViewEntryID].SubItems[4].Text = seeders + "/" + leechers;
}
}
private void AddNewViewListEntry(DownloadingFile newSharedFile)
{
ListViewItem newFile = new ListViewItem(newSharedFile.torrentContents.DisplayName);
newFile.SubItems.Add(GetAppropriateSizeForm(newSharedFile.totalSize));
newFile.SubItems.Add("0.00%");
newFile.SubItems.Add(STOPPEDMSG);
newFile.SubItems.Add("");
FilesArea.Items.Add(newFile);
newSharedFile.listViewEntryID = FilesArea.Items.IndexOf(newFile);
}
private DownloadingFile FindEntryByIndex(int index)
{
DownloadingFile found = null;
foreach (var sharedFile in filesList)
{
if (sharedFile.listViewEntryID == index)
{
found = sharedFile;
break;
}
}
return(found);
}
public void UpdateProgress(DownloadingFile sharedFile)
{
string curMsg = Math.Round(sharedFile.downloaded / (double)sharedFile.totalSize * 100, 2) + "%";
if (InvokeRequired)
{
Invoke(new MethodInvoker(() => FilesArea.Items[sharedFile.listViewEntryID].SubItems[2].Text =
curMsg));
}
else
{
FilesArea.Items[sharedFile.listViewEntryID].SubItems[2].Text = curMsg;
}
}
private void FilesArea_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
{
StartButton.Enabled = StopButton.Enabled = RehashButton.Enabled =
RemoveButton.Enabled = DeleteButton.Enabled = false;
nowSelected = null;
if (e.IsSelected)
{
nowSelected = FindEntryByIndex(e.ItemIndex);
ChangeButtonsState();
UpdateAllInfo(nowSelected.downloadPath, nowSelected.torrentContents, nowSelected.stringStatus);
}
else
{
UpdateAllInfo(null, null, null);
}
}
public async void TorrentSubmitted(Torrent torrent, string chosenPath, bool start, string subDir)
{
DownloadingFile newSharedFile;
try
{
newSharedFile = new DownloadingFile(this, torrent, chosenPath,
subDir == "" ? null : subDir, false);
}
catch
{
MessageBox.Show(this, "Could not create some or all of the files.\r\nMake sure the directory is readable" +
"and writeable, and that you have enough free disk space.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
AddNewViewListEntry(newSharedFile);
await AddNewTorrentAsync(newSharedFile, start).ConfigureAwait(false);
}
public void PeerConnectedDisconnectedEvent(DownloadingFile sharedFile, int totalPeers)
{
string curMsg = "";
if (totalPeers > 0)
{
if (sharedFile.state == DownloadState.completed)
{
curMsg = SHARINGMSG;
}
else if (sharedFile.state == DownloadState.downloading)
{
curMsg = DOWNLOADINGMSG;
}
else if (sharedFile.state == DownloadState.stopped)
{
curMsg = STOPPEDMSG;
}
}
else
{
if (sharedFile.state == DownloadState.completed || sharedFile.state == DownloadState.stopped)
{
curMsg = STOPPEDMSG;
}
else
{
curMsg = SEARCHINGPEERSMSG;
}
}
if (InvokeRequired)
{
Invoke(new MethodInvoker(() => FilesArea.Items[sharedFile.listViewEntryID].SubItems[3].Text =
curMsg));
}
else
{
FilesArea.Items[sharedFile.listViewEntryID].SubItems[3].Text = curMsg;
}
}
public void UpdateStatus(DownloadingFile sharedFile, string message)
{
if (InvokeRequired)
{
Invoke(new MethodInvoker(() => {
if (message != null)
{
FilesArea.Items[sharedFile.listViewEntryID].SubItems[3].Text = message;
}
UpdateAllInfo(sharedFile.downloadPath, sharedFile.torrentContents, message);
ChangeButtonsState();
}));
}
else
{
if (message != null)
{
FilesArea.Items[sharedFile.listViewEntryID].SubItems[3].Text = message;
}
UpdateAllInfo(sharedFile.downloadPath, sharedFile.torrentContents, message);
ChangeButtonsState();
}
}
public async Task GetTrackerResponse(DownloadingFile downloadingFile, string peerID, int myPort,
string eventStr, int numWant)
{
string baseURI = downloadingFile.torrentContents.Trackers.ElementAt(0).ElementAt(0);
string URIFormedHash = URIEncode(downloadingFile.torrentContents.OriginalInfoHashBytes);
string requestURI = baseURI + '?' + "info_hash=" + URIFormedHash +
"&peer_id=" + peerID + "&port=" + myPort.ToString() +
"&uploaded=" + 0 + "&downloaded=" + downloadingFile.downloaded + "&left=" + (downloadingFile.totalSize -
downloadingFile.downloaded) + "&numwant=" + numWant +
"&compact=1" + "&no_peer_id=1" + (eventStr == null ? "" : "&event=" + eventStr) +
(downloadingFile.trackerID == null ? "" : "&trackerid=" + downloadingFile.trackerID);
byte[] response;
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("Connection", "Close");
client.DefaultRequestHeaders.Add("User-Agent", "VST0001");
response = await client.GetByteArrayAsync(requestURI).ConfigureAwait(false);;
}
var parser = new BencodeParser();
this.response = parser.Parse <BDictionary>(response);
}
