public async Task AnnounceUrl_Primary()
{
creator.Announce = "http://127.0.0.1:12345/announce";
BEncodedDictionary dict = await creator.CreateAsync("TorrentName", files);
Assert.IsFalse(dict.ContainsKey("announce-list"));
Assert.IsTrue(dict.ContainsKey("announce"));
}
public async Task AnnounceUrl_None()
{
BEncodedDictionary dict = await creator.CreateAsync("TorrentName", files);
Torrent t = Torrent.Load(dict);
Assert.IsFalse(dict.ContainsKey("announce-list"));
Assert.IsFalse(dict.ContainsKey("announce"));
}
public override void Decode(byte[] buffer, int offset, int length)
{
peerDict = BEncodedValue.Decode<BEncodedDictionary>(buffer, offset, length, false);
if (!peerDict.ContainsKey(AddedKey))
peerDict.Add(AddedKey, (BEncodedString)"");
if (!peerDict.ContainsKey(AddedDotFKey))
peerDict.Add(AddedDotFKey, (BEncodedString)"");
if (!peerDict.ContainsKey(DroppedKey))
peerDict.Add(DroppedKey, (BEncodedString)"");
}
public async Task AnnounceUrl_ManyTiers()
{
foreach (var v in announces)
{
creator.Announces.Add(v);
}
BEncodedDictionary dict = await creator.CreateAsync("TorrentName", files);
Assert.IsTrue(dict.ContainsKey("announce-list"));
Assert.IsFalse(dict.ContainsKey("announce"));
}
private static Peer DecodeFromDict(BEncodedDictionary dict)
{
string peerId;
if (dict.ContainsKey("peer id"))
peerId = dict["peer id"].ToString();
else if (dict.ContainsKey("peer_id")) // HACK: Some trackers return "peer_id" instead of "peer id"
peerId = dict["peer_id"].ToString();
else
peerId = string.Empty;
Uri connectionUri = new Uri("tcp://" + dict["ip"].ToString() + ":" + dict["port"].ToString());
return new Peer(peerId, connectionUri, EncryptionTypes.All);
}
public override void Decode(ReadOnlySpan <byte> buffer)
{
peerDict = ReadBencodedValue <BEncodedDictionary> (ref buffer, false);
if (!peerDict.ContainsKey(AddedKey))
{
peerDict.Add(AddedKey, BEncodedString.Empty);
}
if (!peerDict.ContainsKey(AddedDotFKey))
{
peerDict.Add(AddedDotFKey, BEncodedString.Empty);
}
if (!peerDict.ContainsKey(DroppedKey))
{
peerDict.Add(DroppedKey, BEncodedString.Empty);
}
}
public void Analys(out int deletedCount, out long cleanSize)
{
this._cleanSize = 0;
UpdEventArgs args = new UpdEventArgs();
BEncodedDictionary resume = BEncodedValue.Decode <BEncodedDictionary>(File.ReadAllBytes(this._resumePath));
string[] torrentFilesList = Directory.GetFiles(this._torrentsPath, @"*.torrent",
System.IO.SearchOption.TopDirectoryOnly);
args.MaxProgress = torrentFilesList.Length;
args.Progress = 0;
args.DeletedCount = 0;
this.UpdEvent(this, args);
foreach (string file in torrentFilesList)
{
string fileName = Path.GetFileName(file);
if (!resume.ContainsKey(new BEncodedString(fileName)))
{
this._cleanSize += GetFileSize(file);
args.Msg = strings.DeletingFile.f(fileName);
args.CleanSize = this._cleanSize;
args.DeletedCount++;
}
args.Progress++;
this.UpdEvent(this, args);
}
deletedCount = args.DeletedCount;
cleanSize = args.CleanSize;
}
public void Clean(bool moveToRecycle)
{
this._cleanSize = 0;
UpdEventArgs args = new UpdEventArgs();
BEncodedDictionary resume = BEncodedValue.Decode <BEncodedDictionary>(File.ReadAllBytes(this._resumePath));
string[] torrentFilesList = Directory.GetFiles(this._torrentsPath, @"*.torrent",
System.IO.SearchOption.TopDirectoryOnly);
args.MaxProgress = torrentFilesList.Length;
args.Progress = 0;
args.DeletedCount = 0;
this.UpdEvent(this, args);
foreach (string file in torrentFilesList)
{
string fileName = Path.GetFileName(file);
if (!resume.ContainsKey(new BEncodedString(fileName)))
{
RecycleOption ro = RecycleOption.DeletePermanently;
if (moveToRecycle)
{
ro = RecycleOption.SendToRecycleBin;
}
this._cleanSize += GetFileSize(file);
FileSystem.DeleteFile(file, UIOption.OnlyErrorDialogs, ro);
args.Msg = strings.DeletingFile.f(fileName);
args.CleanSize = this._cleanSize;
args.DeletedCount++;
}
args.Progress++;
this.UpdEvent(this, args);
}
}
public override void Decode(byte[] buffer, int offset, int length)
{
peerDict = BEncodedValue.Decode <BEncodedDictionary>(buffer, offset, length, false);
if (!peerDict.ContainsKey(AddedKey))
{
peerDict.Add(AddedKey, (BEncodedString)"");
}
if (!peerDict.ContainsKey(AddedDotFKey))
{
peerDict.Add(AddedDotFKey, (BEncodedString)"");
}
if (!peerDict.ContainsKey(DroppedKey))
{
peerDict.Add(DroppedKey, (BEncodedString)"");
}
}
internal FastResume(BEncodedDictionary dict)
{
CheckVersion(dict);
CheckContent(dict, InfoHashKey);
CheckContent(dict, BitfieldKey);
CheckContent(dict, BitfieldLengthKey);
// BEP52: Support backwards/forwards compatibility
var infoHash = InfoHash.FromMemory(((BEncodedString)dict[InfoHashKey]).AsMemory());
if (infoHash.Span.Length == 20)
{
InfoHashes = InfoHashes.FromV1(infoHash);
}
else
{
InfoHashes = InfoHashes.FromV2(infoHash);
}
var data = ((BEncodedString)dict[BitfieldKey]).Span;
Bitfield = new ReadOnlyBitField(data, (int)((BEncodedNumber)dict[BitfieldLengthKey]).Number);
// If we're loading up an older version of the FastResume data then we
if (dict.ContainsKey(UnhashedPiecesKey))
{
data = ((BEncodedString)dict[UnhashedPiecesKey]).Span;
UnhashedPieces = new ReadOnlyBitField(data, Bitfield.Length);
}
else
{
UnhashedPieces = new ReadOnlyBitField(Bitfield.Length);
}
}
static void CheckContent(BEncodedDictionary dict, BEncodedString key)
{
if (!dict.ContainsKey(key))
{
throw new TorrentException($"Invalid FastResume data. Key '{key}' was not present");
}
}
private void CheckContent(BEncodedDictionary dict, BEncodedString key)
{
if (!dict.ContainsKey(key))
{
throw new TorrentException(string.Format("Invalid FastResume data. Key '{0}' was not present", key));
}
}
void ScrapeReceived(IAsyncResult result)
{
string message = "";
object[] stateOb = (object[])result.AsyncState;
WebRequest request = (WebRequest)stateOb[0];
object state = stateOb[1];
try
{
BEncodedDictionary d;
BEncodedDictionary dict = DecodeResponse(request, result);
// FIXME: Log the failure?
if (!dict.ContainsKey("files"))
{
message = "Response contained no data";
return;
}
BEncodedDictionary files = (BEncodedDictionary)dict["files"];
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in files)
{
d = (BEncodedDictionary)keypair.Value;
foreach (KeyValuePair <BEncodedString, BEncodedValue> kp in d)
{
switch (kp.Key.ToString())
{
case ("complete"):
Complete = (int)((BEncodedNumber)kp.Value).Number;
break;
case ("downloaded"):
Downloaded = (int)((BEncodedNumber)kp.Value).Number;
break;
case ("incomplete"):
Incomplete = (int)((BEncodedNumber)kp.Value).Number;
break;
default:
Logger.Log(null, "HttpTracker - Unknown scrape tag received: Key {0} Value {1}", kp.Key.ToString(), kp.Value.ToString());
break;
}
}
}
}
catch (WebException)
{
message = "The tracker could not be contacted";
}
catch
{
message = "The tracker returned an invalid or incomplete response";
}
finally
{
RaiseScrapeComplete(new ScrapeResponseEventArgs(this, state, string.IsNullOrEmpty(message)));
}
}
public object Retrieve(string key)
{
if (!settings.ContainsKey(key))
{
return(null);
}
return(this.settings[key]);
}
//QUICKHACK: format bencoded val and get it back wereas must refactor tracker system to have more generic object...
protected virtual void ReceiveAnnounce(AnnounceMessage announceMessage)
{
UdpTrackerMessage m;
BEncodedDictionary dict = Handle(getCollection(announceMessage), endpoint.Address, false);
if (dict.ContainsKey(RequestParameters.FailureKey))
{
m = new ErrorMessage(announceMessage.TransactionId, dict[RequestParameters.FailureKey].ToString());
}
else
{
TimeSpan interval = TimeSpan.Zero;
int leechers = 0;
int seeders = 0;
List <System.Net.BitTorrent.Client.Peer> peers = new List <System.Net.BitTorrent.Client.Peer>();
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in dict)
{
switch (keypair.Key.Text)
{
case ("complete"):
seeders = Convert.ToInt32(keypair.Value.ToString()); //same as seeder?
break;
case ("incomplete"):
leechers = Convert.ToInt32(keypair.Value.ToString()); //same as leecher?
break;
case ("interval"):
interval = TimeSpan.FromSeconds(int.Parse(keypair.Value.ToString()));
break;
case ("peers"):
if (keypair.Value is BEncodedList) // Non-compact response
{
peers.AddRange(System.Net.BitTorrent.Client.Peer.Decode((BEncodedList)keypair.Value));
}
else if (keypair.Value is BEncodedString) // Compact response
{
peers.AddRange(System.Net.BitTorrent.Client.Peer.Decode((BEncodedString)keypair.Value));
}
break;
default:
break;
}
}
m = new AnnounceResponseMessage(announceMessage.TransactionId, interval, leechers, seeders, peers);
}
byte[] data = m.Encode();
#if NETSTANDARD1_5
listener.SendAsync(data, data.Length, endpoint);
#else
listener.Send(data, data.Length, endpoint);
#endif
}
protected virtual async Task ReceiveScrape(UdpClient client, ScrapeMessage scrapeMessage, IPEndPoint remotePeer)
{
BEncodedDictionary val = Handle(getCollection(scrapeMessage), remotePeer.Address, true);
UdpTrackerMessage m;
byte[] data;
if (val.ContainsKey(TrackerRequest.FailureKey))
{
m = new ErrorMessage(scrapeMessage.TransactionId, val[TrackerRequest.FailureKey].ToString());
}
else
{
var scrapes = new List <ScrapeDetails> ();
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in val)
{
var dict = (BEncodedDictionary)keypair.Value;
int seeds = 0;
int leeches = 0;
int complete = 0;
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair2 in dict)
{
switch (keypair2.Key.Text)
{
case "complete": //The current number of connected seeds
seeds = Convert.ToInt32(keypair2.Value.ToString());
break;
case "downloaded": //The total number of completed downloads
complete = Convert.ToInt32(keypair2.Value.ToString());
break;
case "incomplete":
leeches = Convert.ToInt32(keypair2.Value.ToString());
break;
}
}
var sd = new ScrapeDetails(seeds, leeches, complete);
scrapes.Add(sd);
if (scrapes.Count == 74)//protocole do not support to send more than 74 scrape at once...
{
m = new ScrapeResponseMessage(scrapeMessage.TransactionId, scrapes);
data = m.Encode();
await client.SendAsync(data, data.Length, remotePeer);
scrapes.Clear();
}
}
m = new ScrapeResponseMessage(scrapeMessage.TransactionId, scrapes);
}
data = m.Encode();
await client.SendAsync(data, data.Length, remotePeer);
}
static void Set(BEncodedDictionary dictionary, BEncodedString key, BEncodedValue value)
{
if (dictionary.ContainsKey(key))
{
dictionary[key] = value;
}
else
{
dictionary.Add(key, value);
}
}
private static Peer DecodeFromDict(BEncodedDictionary dict)
{
string peerId;
if (dict.ContainsKey("peer id"))
{
peerId = dict["peer id"].ToString();
}
else if (dict.ContainsKey("peer_id")) // HACK: Some trackers return "peer_id" instead of "peer id"
{
peerId = dict["peer_id"].ToString();
}
else
{
peerId = string.Empty;
}
Uri connectionUri = new Uri("tcp://" + dict["ip"] + ":" + dict["port"]);
return(new Peer(peerId, connectionUri));
}
static Peer DecodeFromDict(BEncodedDictionary dict)
{
BEncodedString peerId;
if (dict.ContainsKey("peer id"))
{
peerId = (BEncodedString)dict["peer id"];
}
else if (dict.ContainsKey("peer_id")) // HACK: Some trackers return "peer_id" instead of "peer id"
{
peerId = (BEncodedString)dict["peer_id"];
}
else
{
peerId = BEncodedString.Empty;
}
var connectionUri = new Uri($"ipv4://{dict["ip"]}:{dict["port"]}");
return(new Peer(peerId, connectionUri, EncryptionTypes.All));
}
static PeerInfo DecodeFromDict(BEncodedDictionary dict)
{
BEncodedString peerId;
if (dict.ContainsKey(PeerIdKey))
{
peerId = (BEncodedString)dict[PeerIdKey];
}
else if (dict.ContainsKey(Peer_IdKey)) // HACK: Some trackers return "peer_id" instead of "peer id"
{
peerId = (BEncodedString)dict[Peer_IdKey];
}
else
{
peerId = BEncodedString.Empty;
}
var connectionUri = new Uri($"ipv4://{dict[IPKey]}:{dict[PortKey]}");
return(new PeerInfo(connectionUri, peerId.AsMemory()));
}
//QUICKHACK: format bencoded val and get it back wereas must refactor tracker system to have more generic object...
protected virtual async Task ReceiveAnnounce(UdpClient client, AnnounceMessage announceMessage, IPEndPoint remotePeer)
{
UdpTrackerMessage m;
BEncodedDictionary dict = Handle(getCollection(announceMessage), remotePeer.Address, false);
if (dict.ContainsKey(TrackerRequest.FailureKey))
{
m = new ErrorMessage(announceMessage.TransactionId, dict[TrackerRequest.FailureKey].ToString());
}
else
{
TimeSpan interval = TimeSpan.Zero;
int leechers = 0;
int seeders = 0;
var peers = new List <MonoTorrent.Client.Peer> ();
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in dict)
{
switch (keypair.Key.Text)
{
case ("complete"):
seeders = Convert.ToInt32(keypair.Value.ToString()); //same as seeder?
break;
case ("incomplete"):
leechers = Convert.ToInt32(keypair.Value.ToString()); //same as leecher?
break;
case ("interval"):
interval = TimeSpan.FromSeconds(int.Parse(keypair.Value.ToString()));
break;
case ("peers"):
if (keypair.Value is BEncodedList) // Non-compact response
{
peers.AddRange(MonoTorrent.Client.Peer.Decode((BEncodedList)keypair.Value));
}
else if (keypair.Value is BEncodedString) // Compact response
{
peers.AddRange(MonoTorrent.Client.Peer.Decode((BEncodedString)keypair.Value));
}
break;
default:
break;
}
}
m = new AnnounceResponseMessage(announceMessage.TransactionId, interval, leechers, seeders, peers);
}
byte[] data = m.Encode();
await client.SendAsync(data, data.Length, remotePeer);
}
async Task ScrapeReceivedAsync(InfoHash infoHash, WebResponse response)
{
try
{
await MainLoop.SwitchToThreadpool();
BEncodedDictionary dict = await DecodeResponseAsync(response).ConfigureAwait(false);
// FIXME: Log the failure?
if (!dict.ContainsKey("files"))
{
return;
}
BEncodedDictionary files = (BEncodedDictionary)dict["files"];
if (files.Count != 1)
{
throw new TrackerException("The scrape response contained unexpected data");
}
var d = (BEncodedDictionary)files[new BEncodedString(infoHash.Hash)];
foreach (KeyValuePair <BEncodedString, BEncodedValue> kp in d)
{
switch (kp.Key.ToString())
{
case ("complete"):
Complete = (int)((BEncodedNumber)kp.Value).Number;
break;
case ("downloaded"):
Downloaded = (int)((BEncodedNumber)kp.Value).Number;
break;
case ("incomplete"):
Incomplete = (int)((BEncodedNumber)kp.Value).Number;
break;
default:
Logger.Log(null, "HttpTracker - Unknown scrape tag received: Key {0} Value {1}", kp.Key.ToString(), kp.Value.ToString());
break;
}
}
}
catch (WebException)
{
throw;
}
catch
{
throw;
}
}
async ReusableTask <ScrapeResponse> ScrapeReceivedAsync(InfoHash infoHash, HttpResponseMessage response)
{
await new ThreadSwitcher();
int?complete = null, downloaded = null, incomplete = null;
BEncodedDictionary dict = await DecodeResponseAsync(response).ConfigureAwait(false);
// FIXME: Log the failure?
if (!dict.ContainsKey("files"))
{
return(new ScrapeResponse(TrackerState.Ok, warningMessage: "Tracker did not have data for this torrent"));
}
var files = (BEncodedDictionary)dict["files"];
if (files.Count != 1)
{
throw new TrackerException("The scrape response contained unexpected data");
}
var d = (BEncodedDictionary)files[new BEncodedString(infoHash.Span.ToArray())];
foreach (KeyValuePair <BEncodedString, BEncodedValue> kp in d)
{
switch (kp.Key.ToString())
{
case "complete":
complete = (int)((BEncodedNumber)kp.Value).Number;
break;
case "downloaded":
downloaded = (int)((BEncodedNumber)kp.Value).Number;
break;
case "incomplete":
incomplete = (int)((BEncodedNumber)kp.Value).Number;
break;
default:
logger.InfoFormatted("Unknown scrape tag received: Key {0} Value {1}", kp.Key, kp.Value);
break;
}
}
return(new ScrapeResponse(TrackerState.Ok, complete: complete, incomplete: incomplete, downloaded: downloaded));
}
public static bool TryNoTraceDecodeMessage(BEncodedDictionary dictionary, out DhtMessage message, out string error)
{
message = null;
error = null;
if (dictionary[MessageTypeKey].Equals(QueryMessage.QueryType))
{
if (!queryDecoders.ContainsKey((BEncodedString)dictionary[QueryNameKey]))
{
error = ((BEncodedString)dictionary[QueryNameKey]).Text;
return(false);
}
message = queryDecoders[(BEncodedString)dictionary[QueryNameKey]](dictionary);
}
else if (dictionary[MessageTypeKey].Equals(ErrorMessage.ErrorType))
{
message = new ErrorMessage(dictionary);
}
else
{
QueryMessage query = new NoTraceMessage();
BEncodedString key = (BEncodedString)dictionary[TransactionIdKey];
try
{
message = query.ResponseCreator(dictionary, query);
//BEncodedValue q;
//if (message == null && dictionary.TryGetValue("q", out q))
//{
// error = q.ToString();
//}
if (message == null && dictionary.ContainsKey("q"))
{
dictionary[MessageTypeKey] = QueryMessage.QueryType;
TryNoTraceDecodeMessage(dictionary, out message, out error);
}
}
catch (Exception ex)
{
error = ex.ToString();
}
}
return(error == null && message != null);
}
public FastResume(BEncodedDictionary dict)
{
CheckContent(dict, VersionKey, (BEncodedNumber)1);
CheckContent(dict, InfoHashKey);
CheckContent(dict, BitfieldKey);
CheckContent(dict, BitfieldLengthKey);
infoHash = new InfoHash(((BEncodedString)dict[InfoHashKey]).TextBytes);
bitfield = new BitField((int)((BEncodedNumber)dict[BitfieldLengthKey]).Number);
byte[] data = ((BEncodedString)dict[BitfieldKey]).TextBytes;
bitfield.FromArray(data, 0, data.Length);
if (dict.ContainsKey(PrioritiesKey))
{
var list = (BEncodedList)dict[PrioritiesKey];
priorities = list.Select(v => (Priority)((BEncodedNumber)v).Number).ToArray();
}
}
public FastResume(BEncodedDictionary dict)
{
CheckContent(dict, VersionKey, (BEncodedNumber)1);
CheckContent(dict, InfoHashKey);
CheckContent(dict, BitfieldKey);
CheckContent(dict, BitfieldLengthKey);
infoHash = new InfoHash(((BEncodedString)dict[InfoHashKey]).TextBytes);
bitfield = new BitField((int)((BEncodedNumber)dict[BitfieldLengthKey]).Number);
byte[] data = ((BEncodedString)dict[BitfieldKey]).TextBytes;
bitfield.FromArray(data, 0, data.Length);
if (dict.ContainsKey(PrioritiesKey))
{
var list = (BEncodedList)dict[PrioritiesKey];
priorities = list.Select(v => (Priority)((BEncodedNumber)v).Number).ToArray();
}
}
public static bool TryDecodeMessage(BEncodedDictionary dictionary, out Message message, out string error)
{
message = null;
error = null;
if (!dictionary.ContainsKey(MessageTypeKey))
{
return(false);
}
if (dictionary[MessageTypeKey].Equals(QueryMessage.QueryType))
{
message = queryDecoders[(BEncodedString)dictionary[QueryNameKey]](dictionary);
}
else if (dictionary[MessageTypeKey].Equals(ErrorMessage.ErrorType))
{
message = new ErrorMessage(dictionary);
}
else
{
QueryMessage query;
BEncodedString key = (BEncodedString)dictionary[TransactionIdKey];
if (messages.TryGetValue(key, out query))
{
messages.Remove(key);
try
{
message = query.ResponseCreator(dictionary, query);
}
catch
{
error = "Response dictionary was invalid";
}
}
else
{
error = "Response had bad transaction ID";
}
}
return(error == null && message != null);
}
internal void SeedTorrents(List <string> torrentPaths)
{
this.engineState = EngineState.Seeding;
this.StartDht(this.engine, Properties.Settings.Default.listenPort);
this.managers.Clear();
this.torrents.Clear();
this.torrentPaths = torrentPaths;
string fastResumeFile = Path.Combine(this.parent.localAppDataFolder, "fastresume.data");
BEncodedDictionary fastResume;
try
{
fastResume = BEncodedValue.Decode <BEncodedDictionary>(File.ReadAllBytes(fastResumeFile));
}
catch
{
fastResume = new BEncodedDictionary();
}
foreach (string filePath in torrentPaths)
{
Torrent torrent = null;
try { torrent = Torrent.Load(filePath); }
catch (Exception e) { Console.WriteLine(e); debug(e.ToString()); continue; }
this.torrents.Add(torrent);
Console.WriteLine(Properties.Settings.Default.seedRate);
TorrentSettings settings = new TorrentSettings(10, 50, 0, this.engine.Settings.GlobalMaxUploadSpeed);
TorrentManager manager = new TorrentManager(torrent, engine.Settings.SavePath, settings);
if (fastResume.ContainsKey(torrent.InfoHash.ToHex()))
{
manager.LoadFastResume(new FastResume((BEncodedDictionary)fastResume[torrent.InfoHash.ToHex()]));
}
this.managers.Add(manager);
this.engine.Register(manager);
manager.PeerConnected += manager_PeerConnected;
manager.TorrentStateChanged += checkIncomplete;
manager.TrackerManager.Announce();
manager.Start();
}
//this.engine.StartAll();
}
internal FastResume(BEncodedDictionary dict)
{
CheckVersion(dict);
CheckContent(dict, InfoHashKey);
CheckContent(dict, BitfieldKey);
CheckContent(dict, BitfieldLengthKey);
Infohash = new InfoHash(((BEncodedString)dict[InfoHashKey]).TextBytes);
Bitfield = new BitField((int)((BEncodedNumber)dict[BitfieldLengthKey]).Number);
byte[] data = ((BEncodedString)dict[BitfieldKey]).TextBytes;
Bitfield.FromArray(data, 0);
UnhashedPieces = new BitField(Bitfield.Length);
// If we're loading up an older version of the FastResume data then we
if (dict.ContainsKey(UnhashedPiecesKey))
{
data = ((BEncodedString)dict[UnhashedPiecesKey]).TextBytes;
UnhashedPieces.FromArray(data, 0);
}
}
internal FastResume(BEncodedDictionary dict)
{
CheckVersion(dict);
CheckContent(dict, InfoHashKey);
CheckContent(dict, BitfieldKey);
CheckContent(dict, BitfieldLengthKey);
Infohash = InfoHash.FromMemory(((BEncodedString)dict[InfoHashKey]).AsMemory());
var data = ((BEncodedString)dict[BitfieldKey]).Span;
Bitfield = new BitField(data, (int)((BEncodedNumber)dict[BitfieldLengthKey]).Number);
// If we're loading up an older version of the FastResume data then we
if (dict.ContainsKey(UnhashedPiecesKey))
{
data = ((BEncodedString)dict[UnhashedPiecesKey]).Span;
UnhashedPieces = new BitField(data, Bitfield.Length);
}
else
{
UnhashedPieces = new BitField(Bitfield.Length);
}
}
static BEncodedValue Get(BEncodedDictionary dictionary, BEncodedString key)
{
return dictionary.ContainsKey(key) ? dictionary[key] : null;
}
private static void CheckContent(BEncodedDictionary dict, BEncodedString key)
{
if (dict.ContainsKey(key) == false)
throw new TorrentException(string.Format("Invalid FastResume data. Key '{0}' was not present", key));
}
private void CheckContent(BEncodedDictionary dict, BEncodedString key)
{
if (dict == null) throw new ArgumentNullException(nameof(dict));
if (!dict.ContainsKey(key))
throw new TorrentException(string.Format("Invalid FastResume data. Key '{0}' was not present", key));
}
public void InitializeTorrent(string torrentDir)
{
BEncodedDictionary fastResume;
try
{
fastResume = BEncodedValue.Decode<BEncodedDictionary>(File.ReadAllBytes(this.fastResumeFile));
}
catch
{
fastResume = new BEncodedDictionary();
}
Torrent torrent = null;
// Load the file into the engine if it ends with .torrent.
if (torrentDir.EndsWith(".torrent"))
{
try
{
// Load the .torrent file from the file into a Torrent instance
// You can use this to do preprocessing should you need to.
torrent = Torrent.Load(torrentDir);
Console.WriteLine(torrent.InfoHash.ToString());
}
catch (Exception e)
{
Console.Write("Could not decode {0}: {1}", torrentDir, e.Message);
return;
}
// When any preprocessing has been completed, you create a TorrentManager which you then register with the engine.
TorrentManager postProcessManager = new TorrentManager(torrent, this.downloadDir, torrentDefaults);
if (fastResume.ContainsKey(torrent.InfoHash.ToHex()))
{
postProcessManager.LoadFastResume(new FastResume((BEncodedDictionary)fastResume[torrent.InfoHash.ToHex()]));
}
this.clientEngine.Register(postProcessManager);
// Store the torrent manager in our list so we can access it later.
this.torrentManagers.Add(postProcessManager);
postProcessManager.PeersFound += new EventHandler<PeersAddedEventArgs>(this.manager_PeersFound);
}
// For each torrent manager we loaded and stored in our list, hook into the events in the torrent manager and start the engine.
foreach (TorrentManager torrentManager in this.torrentManagers)
{
// Every time a piece is hashed, this is fired.
torrentManager.PieceHashed += delegate(object o, PieceHashedEventArgs e)
{
lock (this.topTrackers)
{
topTrackers.WriteLine(string.Format("Piece hashed: {0} - {1} ", e.PieceIndex, e.HashPassed ? "passed" : "failed"));
}
};
// Everytime the state changes (stopped -> seeding -> downloading -> hashing), this is fired.
foreach (TrackerTier tier in torrentManager.TrackerManager)
{
List<Tracker> trackers = tier.GetTrackers();
foreach (Tracker tracker in trackers)
{
tracker.AnnounceComplete += delegate(object sender, AnnounceResponseEventArgs e)
{
this.topTrackers.WriteLine(string.Format("{0}: {1}", e.Successful, e.Tracker.ToString()));
};
}
}
// Start the torrentManager. The file will then hash (if required) and begin loading.
torrentManager.Start();
}
Thread.Sleep(500);
}
static void Set(BEncodedDictionary dictionary, BEncodedString key, BEncodedValue value)
{
if (dictionary.ContainsKey(key)) dictionary[key] = value;
else dictionary.Add(key, value);
}
/// <summary>
/// This method is called internally to load the information found within the "Info" section
/// of the .torrent file
/// </summary>
/// <param name="dictionary">The dictionary representing the Info section of the .torrent file</param>
private void ProcessInfo(BEncodedDictionary dictionary)
{
metadata = dictionary.Encode();
this.pieceLength = int.Parse(dictionary["piece length"].ToString());
LoadHashPieces(((BEncodedString)dictionary["pieces"]).TextBytes);
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in dictionary)
{
switch (keypair.Key.Text)
{
case ("source"):
this.source = keypair.Value.ToString();
break;
case ("sha1"):
this.sha1 = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("ed2k"):
this.ed2k = ((BEncodedString)keypair.Value).TextBytes;
break;
case ("publisher-url.utf-8"):
if (keypair.Value.ToString().Length > 0)
{
this.publisherUrl = keypair.Value.ToString();
}
break;
case ("publisher-url"):
if ((String.IsNullOrEmpty(publisherUrl)) && (keypair.Value.ToString().Length > 0))
{
this.publisherUrl = keypair.Value.ToString();
}
break;
case ("publisher.utf-8"):
if (keypair.Value.ToString().Length > 0)
{
this.publisher = keypair.Value.ToString();
}
break;
case ("publisher"):
if ((String.IsNullOrEmpty(publisher)) && (keypair.Value.ToString().Length > 0))
{
this.publisher = keypair.Value.ToString();
}
break;
case ("files"):
LoadTorrentFiles(((BEncodedList)keypair.Value));
break;
case ("name.utf-8"):
if (keypair.Value.ToString().Length > 0)
{
this.name = keypair.Value.ToString();
}
break;
case ("name"):
if ((String.IsNullOrEmpty(this.name)) && (keypair.Value.ToString().Length > 0))
{
this.name = keypair.Value.ToString();
}
break;
case ("piece length"): // Already handled
break;
case ("length"):
break; // This is a singlefile torrent
case ("private"):
this.isPrivate = (keypair.Value.ToString() == "1") ? true : false;
break;
default:
break;
}
}
if (this.torrentFiles == null) // Not a multi-file torrent
{
long length = long.Parse(dictionary["length"].ToString());
this.size = length;
string path = this.name;
byte[] md5 = (dictionary.ContainsKey("md5")) ? ((BEncodedString)dictionary["md5"]).TextBytes : null;
byte[] ed2k = (dictionary.ContainsKey("ed2k")) ? ((BEncodedString)dictionary["ed2k"]).TextBytes : null;
byte[] sha1 = (dictionary.ContainsKey("sha1")) ? ((BEncodedString)dictionary["sha1"]).TextBytes : null;
this.torrentFiles = new TorrentFile[1];
int endPiece = Math.Min(Pieces.Count - 1, (int)((size + (pieceLength - 1)) / pieceLength));
this.torrentFiles[0] = new TorrentFile(path, length, path, 0, endPiece, 0, md5, ed2k, sha1);
}
}
private static void StartEngine()
{
int port;
Torrent torrent = null;
// Ask the user what port they want to use for incoming connections
//Console.Write(Environment.NewLine + "Choose a listen port: ");
//while (!Int32.TryParse(Console.ReadLine(), out port)) { }
port = 4545;
// Create the settings which the engine will use
// downloadsPath - this is the path where we will save all the files to
// port - this is the port we listen for connections on
EngineSettings engineSettings = new EngineSettings(downloadsPath, port);
engineSettings.PreferEncryption = false;
engineSettings.AllowedEncryption = EncryptionTypes.All;
//engineSettings.GlobalMaxUploadSpeed = 30 * 1024;
//engineSettings.GlobalMaxDownloadSpeed = 100 * 1024;
//engineSettings.MaxReadRate = 1 * 1024 * 1024;
// Create the default settings which a torrent will have.
// 4 Upload slots - a good ratio is one slot per 5kB of upload speed
// 50 open connections - should never really need to be changed
// Unlimited download speed - valid range from 0 -> int.Max
// Unlimited upload speed - valid range from 0 -> int.Max
TorrentSettings torrentDefaults = new TorrentSettings(4, 150, 0, 0);
// Create an instance of the engine.
engine = new ClientEngine(engineSettings);
engine.ChangeListenEndpoint(new IPEndPoint(IPAddress.Any, port));
byte[] nodes = null;
try
{
nodes = File.ReadAllBytes(dhtNodeFile);
}
catch
{
Console.WriteLine("No existing dht nodes could be loaded");
}
DhtListener dhtListner = new DhtListener (new IPEndPoint (IPAddress.Any, port));
DhtEngine dht = new DhtEngine (dhtListner);
engine.RegisterDht(dht);
dhtListner.Start();
engine.DhtEngine.Start(nodes);
// If the SavePath does not exist, we want to create it.
if (!Directory.Exists(engine.Settings.SavePath))
Directory.CreateDirectory(engine.Settings.SavePath);
// If the torrentsPath does not exist, we want to create it
if (!Directory.Exists(torrentsPath))
Directory.CreateDirectory(torrentsPath);
BEncodedDictionary fastResume;
try
{
fastResume = BEncodedValue.Decode<BEncodedDictionary>(File.ReadAllBytes(fastResumeFile));
}
catch
{
fastResume = new BEncodedDictionary();
}
// For each file in the torrents path that is a .torrent file, load it into the engine.
foreach (string file in Directory.GetFiles(torrentsPath))
{
if (file.EndsWith(".torrent"))
{
try
{
// Load the .torrent from the file into a Torrent instance
// You can use this to do preprocessing should you need to
torrent = Torrent.Load(file);
Console.WriteLine(torrent.InfoHash.ToString());
}
catch (Exception e)
{
Console.Write("Couldn't decode {0}: ", file);
Console.WriteLine(e.Message);
continue;
}
// When any preprocessing has been completed, you create a TorrentManager
// which you then register with the engine.
TorrentManager manager = new TorrentManager(torrent, downloadsPath, torrentDefaults);
if (fastResume.ContainsKey(torrent.InfoHash.ToHex ()))
manager.LoadFastResume(new FastResume ((BEncodedDictionary)fastResume[torrent.InfoHash.ToHex ()]));
engine.Register(manager);
// Store the torrent manager in our list so we can access it later
torrents.Add(manager);
manager.PeersFound += new EventHandler<PeersAddedEventArgs>(manager_PeersFound);
}
}
// If we loaded no torrents, just exist. The user can put files in the torrents directory and start
// the client again
if (torrents.Count == 0)
{
Console.WriteLine("No torrents found in the Torrents directory");
Console.WriteLine("Exiting...");
engine.Dispose();
return;
}
// For each torrent manager we loaded and stored in our list, hook into the events
// in the torrent manager and start the engine.
foreach (TorrentManager manager in torrents)
{
// Every time a piece is hashed, this is fired.
manager.PieceHashed += delegate(object o, PieceHashedEventArgs e) {
lock (listener)
listener.WriteLine(string.Format("Piece Hashed: {0} - {1}", e.PieceIndex, e.HashPassed ? "Pass" : "Fail"));
};
// Every time the state changes (Stopped -> Seeding -> Downloading -> Hashing) this is fired
manager.TorrentStateChanged += delegate (object o, TorrentStateChangedEventArgs e) {
lock (listener)
listener.WriteLine("OldState: " + e.OldState.ToString() + " NewState: " + e.NewState.ToString());
};
// Every time the tracker's state changes, this is fired
foreach (TrackerTier tier in manager.TrackerManager)
{
foreach (MonoTorrent.Client.Tracker.Tracker t in tier.Trackers)
{
t.AnnounceComplete += delegate(object sender, AnnounceResponseEventArgs e) {
listener.WriteLine(string.Format("{0}: {1}", e.Successful, e.Tracker.ToString()));
};
}
}
// Start the torrentmanager. The file will then hash (if required) and begin downloading/seeding
manager.Start();
}
// While the torrents are still running, print out some stats to the screen.
// Details for all the loaded torrent managers are shown.
int i = 0;
bool running = true;
StringBuilder sb = new StringBuilder(1024);
while (running)
{
if ((i++) % 10 == 0)
{
sb.Remove(0, sb.Length);
running = torrents.Exists(delegate(TorrentManager m) { return m.State != TorrentState.Stopped; });
AppendFormat(sb, "Total Download Rate: {0:0.00}kB/sec", engine.TotalDownloadSpeed / 1024.0);
AppendFormat(sb, "Total Upload Rate: {0:0.00}kB/sec", engine.TotalUploadSpeed / 1024.0);
AppendFormat(sb, "Disk Read Rate: {0:0.00} kB/s", engine.DiskManager.ReadRate / 1024.0);
AppendFormat(sb, "Disk Write Rate: {0:0.00} kB/s", engine.DiskManager.WriteRate / 1024.0);
AppendFormat(sb, "Total Read: {0:0.00} kB", engine.DiskManager.TotalRead / 1024.0);
AppendFormat(sb, "Total Written: {0:0.00} kB", engine.DiskManager.TotalWritten / 1024.0);
AppendFormat(sb, "Open Connections: {0}", engine.ConnectionManager.OpenConnections);
foreach (TorrentManager manager in torrents)
{
AppendSeperator(sb);
AppendFormat(sb, "State: {0}", manager.State);
AppendFormat(sb, "Name: {0}", manager.Torrent == null ? "MetaDataMode" : manager.Torrent.Name);
AppendFormat(sb, "Progress: {0:0.00}", manager.Progress);
AppendFormat(sb, "Download Speed: {0:0.00} kB/s", manager.Monitor.DownloadSpeed / 1024.0);
AppendFormat(sb, "Upload Speed: {0:0.00} kB/s", manager.Monitor.UploadSpeed / 1024.0);
AppendFormat(sb, "Total Downloaded: {0:0.00} MB", manager.Monitor.DataBytesDownloaded / (1024.0 * 1024.0));
AppendFormat(sb, "Total Uploaded: {0:0.00} MB", manager.Monitor.DataBytesUploaded / (1024.0 * 1024.0));
MonoTorrent.Client.Tracker.Tracker tracker = manager.TrackerManager.CurrentTracker;
//AppendFormat(sb, "Tracker Status: {0}", tracker == null ? "<no tracker>" : tracker.State.ToString());
AppendFormat(sb, "Warning Message: {0}", tracker == null ? "<no tracker>" : tracker.WarningMessage);
AppendFormat(sb, "Failure Message: {0}", tracker == null ? "<no tracker>" : tracker.FailureMessage);
if (manager.PieceManager != null)
AppendFormat(sb, "Current Requests: {0}", manager.PieceManager.CurrentRequestCount());
foreach (PeerId p in manager.GetPeers()) {
//CovertChannel.CovertChannel.targetPeerId = ;
//CovertChannel.CovertPicker picker = new CovertChannel.CovertPicker (null);
AppendFormat (sb, "\t{2} - {1:0.00}/{3:0.00}kB/sec - {0}", p.Peer.ConnectionUri,
p.Monitor.DownloadSpeed / 1024.0,
p.AmRequestingPiecesCount,
p.Monitor.UploadSpeed / 1024.0);
}
AppendFormat(sb, "", null);
if (manager.Torrent != null)
foreach (TorrentFile file in manager.Torrent.Files)
AppendFormat(sb, "{1:0.00}% - {0}", file.Path, file.BitField.PercentComplete);
}
//Console.Clear();
Console.WriteLine(sb.ToString());
listener.ExportTo(Console.Out);
}
System.Threading.Thread.Sleep(500);
}
}
private static Peer DecodeFromDict(BEncodedDictionary dict)
{
string peerId;
if (dict.ContainsKey("peer id"))
peerId = dict["peer id"].ToString();
else if (dict.ContainsKey("peer_id")) // HACK: Some trackers return "peer_id" instead of "peer id"
peerId = dict["peer_id"].ToString();
else
peerId = string.Empty;
Uri connectionUri = new Uri("tcp://" + dict["ip"].ToString() + ":" + dict["port"].ToString());
return new Peer(peerId, connectionUri, EncryptionTypes.All);
}
protected void LoadInternal(BEncodedDictionary torrentInformation)
{
Check.TorrentInformation(torrentInformation);
originalDictionary = torrentInformation;
torrentPath = "";
try
{
foreach (KeyValuePair <BEncodedString, BEncodedValue> keypair in torrentInformation)
{
switch (keypair.Key.Text)
{
case ("announce"):
// Ignore this if we have an announce-list
if (torrentInformation.ContainsKey("announce-list"))
{
break;
}
announceUrls.Add(new RawTrackerTier());
announceUrls[0].Add(keypair.Value.ToString());
break;
case ("creation date"):
try
{
try
{
creationDate = creationDate.AddSeconds(long.Parse(keypair.Value.ToString()));
}
catch (Exception e)
{
if (e is ArgumentOutOfRangeException)
{
creationDate = creationDate.AddMilliseconds(long.Parse(keypair.Value.ToString()));
}
else
{
throw;
}
}
}
catch (Exception e)
{
if (e is ArgumentOutOfRangeException)
{
throw new BEncodingException("Argument out of range exception when adding seconds to creation date.", e);
}
else if (e is FormatException)
{
throw new BEncodingException(String.Format("Could not parse {0} into a number", keypair.Value), e);
}
else
{
throw;
}
}
break;
case ("nodes"):
nodes = (BEncodedList)keypair.Value;
break;
case ("comment.utf-8"):
if (keypair.Value.ToString().Length != 0)
{
comment = keypair.Value.ToString(); // Always take the UTF-8 version
}
break; // even if there's an existing value
case ("comment"):
if (String.IsNullOrEmpty(comment))
{
comment = keypair.Value.ToString();
}
break;
case ("publisher-url.utf-8"): // Always take the UTF-8 version
publisherUrl = keypair.Value.ToString(); // even if there's an existing value
break;
case ("publisher-url"):
if (String.IsNullOrEmpty(publisherUrl))
{
publisherUrl = keypair.Value.ToString();
}
break;
case ("azureus_properties"):
azureusProperties = keypair.Value;
break;
case ("created by"):
createdBy = keypair.Value.ToString();
break;
case ("encoding"):
encoding = keypair.Value.ToString();
break;
case ("info"):
using (SHA1 s = HashAlgoFactory.Create <SHA1>())
infoHash = new InfoHash(s.ComputeHash(keypair.Value.Encode()));
ProcessInfo(((BEncodedDictionary)keypair.Value));
break;
case ("name"): // Handled elsewhere
break;
case ("announce-list"):
if (keypair.Value is BEncodedString)
{
break;
}
BEncodedList announces = (BEncodedList)keypair.Value;
for (int j = 0; j < announces.Count; j++)
{
if (announces[j] is BEncodedList)
{
BEncodedList bencodedTier = (BEncodedList)announces[j];
List <string> tier = new List <string>(bencodedTier.Count);
for (int k = 0; k < bencodedTier.Count; k++)
{
tier.Add(bencodedTier[k].ToString());
}
Toolbox.Randomize <string>(tier);
RawTrackerTier collection = new RawTrackerTier();
for (int k = 0; k < tier.Count; k++)
{
collection.Add(tier[k]);
}
if (collection.Count != 0)
{
announceUrls.Add(collection);
}
}
else
{
throw new BEncodingException(String.Format("Non-BEncodedList found in announce-list (found {0})",
announces[j].GetType()));
}
}
break;
case ("httpseeds"):
// This form of web-seeding is not supported.
break;
case ("url-list"):
if (keypair.Value is BEncodedString)
{
getRightHttpSeeds.Add(((BEncodedString)keypair.Value).Text);
}
else if (keypair.Value is BEncodedList)
{
foreach (BEncodedString str in (BEncodedList)keypair.Value)
{
GetRightHttpSeeds.Add(str.Text);
}
}
break;
default:
break;
}
}
}
catch (Exception e)
{
if (e is BEncodingException)
{
throw;
}
else
{
throw new BEncodingException("", e);
}
}
}
/// <summary>
/// Fully starts the torrent engine and dht engine and listener
/// Loads in any torrents from the directory and resumes them automaticallhy
/// </summary>
public void Initiate()
{
torrentEngine = new ClientEngine(engineSettings);
torrentEngine.ChangeListenEndpoint(new IPEndPoint(IPAddress.Any, Port));
//Load DHT nodes from a saved file
//if not there or any errors then continue
byte[] nodes = null;
try
{
nodes = File.ReadAllBytes(dhtNodeFile);
}
catch
{
//keep it null, what we use it for will instead create its own and then save them
nodes = null;
}
//construct our listener for our dht engine and then create the dht engine
//register it and then start it based on the nodes we attempted to load
//construct our listener for our dht engine and then create the dht engine
//register it and then start it based on the nodes we attempted to load
dhtListener = new DhtListener(new IPEndPoint(IPAddress.Any, Port));
dhtEngine = new DhtEngine(dhtListener);
torrentEngine.RegisterDht(dhtEngine);
torrentEngine.DhtEngine.Start(nodes);
//same as with the dht nodes try to load but if any errors then continue
try
{
fastResume = BEncodedValue.Decode<BEncodedDictionary>(File.ReadAllBytes(resumeFile));
}
catch
{
fastResume = new BEncodedDictionary();
}
//This is where we go into our save directory and look for any torrents
//user may of left off on a download and we can possibly resume it
//also a backend way to force a download from another provider source to download
foreach (string file in Directory.GetFiles(saveDirectory))
{
if (file.EndsWith(".torrent"))
{
try
{
Torrent torrent = null;
torrent = Torrent.Load(file);
TorrentManager manager = new TorrentManager(torrent, saveDirectory, torrentSettings);
if (fastResume.ContainsKey(torrent.InfoHash.ToHex()))
manager.LoadFastResume(new FastResume((BEncodedDictionary)fastResume[torrent.InfoHash.ToHex()]));
torrentEngine.Register(manager);
}
catch { }
}
}
}
