public BEncodedDictionary Encode()
{
var dict = new BEncodedDictionary();
dict.Add(VersionKey, (BEncodedNumber) 1);
dict.Add(InfoHashKey, new BEncodedString(Infohash.Hash));
dict.Add(BitfieldKey, new BEncodedString(Bitfield.ToByteArray()));
dict.Add(BitfieldLengthKey, (BEncodedNumber) Bitfield.Length);
return dict;
}
public BEncodedValue Encode()
{
BEncodedDictionary result = new BEncodedDictionary();
result.Add(new BEncodedString("MaxDownloadSpeed"), new BEncodedNumber(MaxDownloadSpeed));
result.Add(new BEncodedString("MaxUploadSpeed"), new BEncodedNumber(MaxUploadSpeed));
result.Add(new BEncodedString("MaxConnections"), new BEncodedNumber(MaxConnections));
result.Add(new BEncodedString("UploadSlots"), new BEncodedNumber(UploadSlots));
result.Add(new BEncodedString("SavePath"), new BEncodedString(savePath));
return result;
}
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 BEncodedDictionary Serialize()
{
BEncodedDictionary d = new BEncodedDictionary ();
d.Add ("FastResume", FastResume.Encode ());
d.Add ("SavePath", (BEncodedString) SavePath);
d.Add ("TorrentPath", (BEncodedString) TorrentPath);
StringBuilder sb = new System.Text.StringBuilder();
XmlSerializer s = new XmlSerializer (typeof (TorrentSettings));
using (System.IO.TextWriter writer = new System.IO.StringWriter (sb))
s.Serialize (writer, Settings);
d.Add ("Settings", (BEncodedString) sb.ToString ());
return d;
}
private BEncodedDictionary CreateInfoDict()
{
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("source", new BEncodedString("http://www.thisiswhohostedit.com"));
dict.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("this is a sha1 hash string"))));
dict.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("ed2k isn't a sha, but who cares"))));
dict.Add("publisher-url.utf-8", new BEncodedString("http://www.iamthepublisher.com"));
dict.Add("publisher-url", new BEncodedString("http://www.iamthepublisher.com"));
dict.Add("publisher.utf-8", new BEncodedString("MonoTorrent Inc."));
dict.Add("publisher", new BEncodedString("MonoTorrent Inc."));
dict.Add("files", CreateFiles());
dict.Add("name.utf-8", new BEncodedString("MyBaseFolder"));
dict.Add("name", new BEncodedString("MyBaseFolder"));
dict.Add("piece length", new BEncodedNumber(512));
dict.Add("private", new BEncodedString("1"));
dict.Add("pieces", new BEncodedString(new byte[((26000 + 512) / 512) * 20])); // Total size is 26000, piecelength is 512
return dict;
}
public LTMetadata(byte extensionId, eMessageType type, int piece, byte[] metadata)
: this()
{
ExtensionId = extensionId;
MetadataMessageType = type;
MetadataPiece = metadata;
Piece = piece;
dict = new BEncodedDictionary();
dict.Add(MessageTypeKey, (BEncodedNumber) (int) MetadataMessageType);
dict.Add(PieceKey, (BEncodedNumber) piece);
if (MetadataMessageType == eMessageType.Data)
{
Check.Metadata(metadata);
dict.Add(TotalSizeKey, (BEncodedNumber) metadata.Length);
}
}
public void StartUp()
{
DateTime current = new DateTime(2006, 7, 1, 5, 5, 5);
DateTime epochStart = new DateTime(1970, 1, 1, 0, 0, 0);
TimeSpan span = current - epochStart;
creationTime = (long)span.TotalSeconds;
Console.WriteLine(creationTime.ToString() + "Creation seconds");
BEncodedDictionary torrentInfo = new BEncodedDictionary();
torrentInfo.Add("announce", new BEncodedString("http://myannouceurl/announce"));
torrentInfo.Add("creation date", new BEncodedNumber(creationTime));
torrentInfo.Add("nodes", new BEncodedList()); //FIXME: What is this?
torrentInfo.Add("comment.utf-8", new BEncodedString("my big long comment"));
torrentInfo.Add("comment", new BEncodedString("my big long comment"));
torrentInfo.Add("azureus_properties", new BEncodedDictionary()); //FIXME: What is this?
torrentInfo.Add("created by", new BEncodedString("MonoTorrent/" + VersionInfo.ClientVersion));
torrentInfo.Add("encoding", new BEncodedString("UTF-8"));
torrentInfo.Add("info", CreateInfoDict());
torrentInfo.Add("private", new BEncodedString("1"));
torrent = Torrent.Load(torrentInfo);
}
public void benDictionaryEncoding()
{
var data = Encoding.UTF8.GetBytes("d4:spaml1:a1:bee");
var dict = new BEncodedDictionary();
var list = new BEncodedList();
list.Add(new BEncodedString("a"));
list.Add(new BEncodedString("b"));
dict.Add("spam", list);
Assert.Equal(Encoding.UTF8.GetString(data), Encoding.UTF8.GetString(dict.Encode()));
Assert.True(Toolbox.ByteMatch(data, dict.Encode()));
}
public void benDictionaryEncodingBuffered()
{
var data = Encoding.UTF8.GetBytes("d4:spaml1:a1:bee");
var dict = new BEncodedDictionary();
var list = new BEncodedList();
list.Add(new BEncodedString("a"));
list.Add(new BEncodedString("b"));
dict.Add("spam", list);
var result = new byte[dict.LengthInBytes()];
dict.Encode(result, 0);
Assert.True(Toolbox.ByteMatch(data, result));
}
public void benDictionaryEncoding()
{
byte[] data = System.Text.Encoding.UTF8.GetBytes("d4:spaml1:a1:bee");
BEncodedDictionary dict = new BEncodedDictionary();
BEncodedList list = new BEncodedList();
list.Add(new BEncodedString("a"));
list.Add(new BEncodedString("b"));
dict.Add("spam", list);
Assert.AreEqual(System.Text.Encoding.UTF8.GetString(data), System.Text.Encoding.UTF8.GetString(dict.Encode()));
Assert.IsTrue(Toolbox.ByteMatch(data, dict.Encode()));
}
public void StartUp()
{
DateTime current = new DateTime(2006, 7, 1, 5, 5, 5);
DateTime epochStart = new DateTime(1970, 1, 1, 0, 0, 0);
TimeSpan span = current - epochStart;
creationTime = (long)span.TotalSeconds;
Console.WriteLine(creationTime.ToString() + "Creation seconds");
BEncodedDictionary torrentInfo = new BEncodedDictionary();
torrentInfo.Add("announce", new BEncodedString("http://myannouceurl/announce"));
torrentInfo.Add("creation date", new BEncodedNumber(creationTime));
torrentInfo.Add("nodes", new BEncodedList()); //FIXME: What is this?
torrentInfo.Add("comment.utf-8", new BEncodedString("my big long comment"));
torrentInfo.Add("comment", new BEncodedString("my big long comment"));
torrentInfo.Add("azureus_properties", new BEncodedDictionary()); //FIXME: What is this?
torrentInfo.Add("created by", new BEncodedString("MonoTorrent/" + VersionInfo.ClientVersion));
torrentInfo.Add("encoding", new BEncodedString("UTF-8"));
torrentInfo.Add("info", CreateInfoDict());
torrentInfo.Add("private", new BEncodedString("1"));
torrent = Torrent.Load(torrentInfo);
}
internal Torrent GetTorrent()
{
byte[] calculatedInfoHash;
using (SHA1 sha = HashAlgoFactory.Create<SHA1>())
calculatedInfoHash = sha.ComputeHash(stream.ToArray());
if (!Manager.InfoHash.Equals (calculatedInfoHash))
throw new Exception("invalid metadata");//restart ?
BEncodedValue d = BEncodedValue.Decode(stream);
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", d);
return Torrent.LoadCore(dict);
}
private BEncodedDictionary Create()
{
if (!ClientEngine.SupportsExtended)
{
throw new MessageException("Libtorrent extension messages not supported");
}
BEncodedDictionary mainDict = new BEncodedDictionary();
BEncodedDictionary supportsDict = new BEncodedDictionary();
mainDict.Add(MaxRequestKey, (BEncodedNumber)maxRequests);
mainDict.Add(VersionKey, (BEncodedString)Version);
mainDict.Add(PortKey, (BEncodedNumber)localPort);
foreach (ExtensionSupport s in SupportedMessages)
{
supportsDict.Add(s.Name, (BEncodedNumber)s.MessageId);
}
mainDict.Add(SupportsKey, supportsDict);
mainDict.Add(MetadataSizeKey, (BEncodedNumber)metadataSize);
return(mainDict);
}
public void benDictionaryEncoding()
{
var data = Encoding.UTF8.GetBytes("d4:spaml1:a1:bee");
var dict = new BEncodedDictionary();
var list = new BEncodedList
{
new BEncodedString("a"),
new BEncodedString("b")
};
dict.Add("spam", list);
Assert.AreEqual(Encoding.UTF8.GetString(data), Encoding.UTF8.GetString(dict.Encode()));
Assert.IsTrue(Toolbox.ByteMatch(data, dict.Encode()));
}
BEncodedDictionary Create()
{
if (!ClientEngine.SupportsExtended)
{
throw new MessageException("Libtorrent extension messages not supported");
}
var mainDict = new BEncodedDictionary();
var supportsDict = new BEncodedDictionary();
mainDict.Add(MaxRequestKey, (BEncodedNumber)MaxRequests);
mainDict.Add(VersionKey, (BEncodedString)Version);
mainDict.Add(PortKey, (BEncodedNumber)LocalPort);
SupportedMessages.ForEach(delegate(ExtensionSupport s) { supportsDict.Add(s.Name, (BEncodedNumber)s.MessageId); });
mainDict.Add(SupportsKey, supportsDict);
if (MetadataSize.HasValue)
{
mainDict.Add(MetadataSizeKey, (BEncodedNumber)MetadataSize);
}
return(mainDict);
}
public void SaveFastResume()
{
BEncodedDictionary dict = new BEncodedDictionary();
foreach (TorrentManager manager in items)
{
dict.Add(manager.Torrent.InfoHash, manager.SaveFastResume().Encode());
}
try
{
File.WriteAllBytes(TorrentCurses.fast_resume, dict.Encode());
}
catch
{
}
}
/// <summary>
/// Shuts down the download action.
/// </summary>
private void Shutdown()
{
BEncodedDictionary fastResume = new BEncodedDictionary();
for (int i = 0; i < torrentManagers.Count; ++i)
{
torrentManagers[i].Stop();
while (torrentManagers[i].State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrentManagers[i].Torrent.Name, torrentManagers[i].State);
Thread.Sleep(250);
}
fastResume.Add(torrentManagers[i].Torrent.InfoHash.ToHex(), torrentManagers[i].SaveFastResume().Encode());
}
}
void ListenerReceivedScrape(object?sender, ScrapeRequest e)
{
if (Disposed)
{
e.Response.Add(TrackerRequest.FailureKey, (BEncodedString)"The tracker has been shut down");
return;
}
Requests.ScrapeReceived();
if (!AllowScrape)
{
e.Response.Add(TrackerRequest.FailureKey, (BEncodedString)"This tracker does not allow scraping");
return;
}
if (e.InfoHashes.Count == 0)
{
e.Response.Add(TrackerRequest.FailureKey, (BEncodedString)"You must specify at least one infohash when scraping this tracker");
return;
}
var managers = new List <ITrackerItem> ();
var files = new BEncodedDictionary();
for (int i = 0; i < e.InfoHashes.Count; i++)
{
if (!Torrents.TryGetValue(e.InfoHashes[i], out SimpleTorrentManager? manager))
{
continue;
}
managers.Add(manager);
var dict = new BEncodedDictionary {
{ "complete", new BEncodedNumber(manager.Complete) },
{ "downloaded", new BEncodedNumber(manager.Downloaded) },
{ "incomplete", new BEncodedNumber(manager.Incomplete) },
{ "name", new BEncodedString(manager.Trackable.Name) }
};
files.Add(new BEncodedString(e.InfoHashes[i].Span.ToArray()), dict);
}
RaisePeerScraped(new ScrapeEventArgs(managers));
if (files.Count > 0)
{
e.Response.Add("files", files);
}
}
public void BenDictionaryEncodingBuffered()
{
var data = Encoding.UTF8.GetBytes("d4:spaml1:a1:bee");
var dict = new BEncodedDictionary();
var list = new BEncodedList
{
new BEncodedString("a"),
new BEncodedString("b")
};
dict.Add("spam", list);
var result = new byte[dict.LengthInBytes()];
dict.Encode(result, 0);
Assert.IsTrue(Toolbox.ByteMatch(data, result));
}
public void Stop()
{
try
{
BEncodedDictionary fastResume = new BEncodedDictionary();
External.Manager.StopAsync();
fastResume.Add(External.Manager.Torrent.InfoHash.ToHex(), External.Manager.SaveFastResume().Encode());
File.WriteAllBytes(Settings.GetResumeFile(), fastResume.Encode());
External.Engine.Dispose();
}
catch (Exception ex)
{
ex.ToLog(LogLevel.Error);
}
}
public LTMetadata(byte extensionId, eMessageType type, int piece, byte[] metadata)
: this()
{
ExtensionId = extensionId;
MetadataMessageType = type;
MetadataPiece = metadata;
Piece = piece;
dict = new BEncodedDictionary {
{ MessageTypeKey, (BEncodedNumber)(int)MetadataMessageType },
{ PieceKey, (BEncodedNumber)piece }
};
if (MetadataMessageType == eMessageType.Data)
{
Check.Metadata(metadata);
dict.Add(TotalSizeKey, (BEncodedNumber)metadata.Length);
}
}
///<summary>calculate md5sum of a file</summary>
///<param name="fileName">the file to sum with md5</param>
void AddMD5(BEncodedDictionary dict, string fileName)
{
var hasher = MD5.Create();
var sb = new StringBuilder();
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var hash = hasher.ComputeHash(stream);
foreach (var b in hash)
{
var hex = b.ToString("X");
hex = hex.Length > 1 ? hex : "0" + hex;
sb.Append(hex);
}
Logger.Log(null, "Sum for: '{0}' = {1}", fileName, sb.ToString());
}
dict.Add("md5sum", new BEncodedString(sb.ToString()));
}
private void ListenerReceivedScrape(object sender, ScrapeParameters e)
{
if (disposed)
{
e.Response.Add(RequestParameters.FailureKey, (BEncodedString)"The tracker has been shut down");
return;
}
monitor.ScrapeReceived();
if (!AllowScrape)
{
e.Response.Add(RequestParameters.FailureKey, (BEncodedString)"This tracker does not allow scraping");
return;
}
if (e.InfoHashes.Count == 0)
{
e.Response.Add(RequestParameters.FailureKey, (BEncodedString)"You must specify at least one infohash when scraping this tracker");
return;
}
List <SimpleTorrentManager> managers = new List <SimpleTorrentManager>();
BEncodedDictionary files = new BEncodedDictionary();
for (int i = 0; i < e.InfoHashes.Count; i++)
{
SimpleTorrentManager manager;
if (!torrents.TryGetValue(e.InfoHashes[i], out manager))
{
continue;
}
managers.Add(manager);
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("complete", new BEncodedNumber(manager.Complete));
dict.Add("downloaded", new BEncodedNumber(manager.Downloaded));
dict.Add("incomplete", new BEncodedNumber(manager.Incomplete));
dict.Add("name", new BEncodedString(manager.Trackable.Name));
files.Add(e.InfoHashes[i].ToHex(), dict);
}
RaisePeerScraped(new ScrapeEventArgs(managers));
e.Response.Add("files", files);
}
BEncodedDictionary Create()
{
var mainDict = new BEncodedDictionary();
var supportsDict = new BEncodedDictionary();
mainDict.Add(MaxRequestKey, (BEncodedNumber)MaxRequests);
mainDict.Add(VersionKey, (BEncodedString)Version);
mainDict.Add(PortKey, (BEncodedNumber)LocalPort);
SupportedMessages.ForEach(delegate(ExtensionSupport s) { supportsDict.Add(s.Name, (BEncodedNumber)s.MessageId); });
mainDict.Add(SupportsKey, supportsDict);
if (MetadataSize.HasValue)
{
mainDict.Add(MetadataSizeKey, (BEncodedNumber)MetadataSize);
}
return(mainDict);
}
internal System.Net.BitTorrent.Common.Torrent GetTorrent()
{
byte[] calculatedInfoHash;
#if NETSTANDARD1_5
using (SHA1 sha = SHA1.Create())
#else
using (SHA1 sha = HashAlgoFactory.Create <SHA1>())
#endif
calculatedInfoHash = sha.ComputeHash(stream.ToArray());
if (!Manager.InfoHash.Equals(calculatedInfoHash))
{
throw new Exception("invalid metadata");//restart ?
}
BEncodedValue d = BEncodedValue.Decode(stream);
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", d);
return(System.Net.BitTorrent.Common.Torrent.LoadCore(dict));
}
public LTMetadata(byte extensionId, eMessageType type, int piece, byte[] metadata)
: this()
{
ExtensionId = extensionId;
_messageType = type;
MetadataPiece = metadata;
Piece = piece;
_dict = new BEncodedDictionary
{
{MessageTypeKey, (BEncodedNumber) (int) _messageType},
{PieceKey, (BEncodedNumber) piece}
};
if (_messageType != eMessageType.Data)
return;
Check.Metadata(metadata);
_dict.Add(TotalSizeKey, (BEncodedNumber) metadata.Length);
}
private BEncodedDictionary Create()
{
if (!ClientEngine.SupportsExtended)
{
throw new MessageException("Libtorrent extension messages not supported");
}
var mainDict = new BEncodedDictionary();
var supportsDict = new BEncodedDictionary();
mainDict.Add(MaxRequestKey, (BEncodedNumber)_maxRequests);
mainDict.Add(VersionKey, (BEncodedString)Version);
mainDict.Add(PortKey, (BEncodedNumber)_localPort);
SupportedMessages.ForEach(s => supportsDict.Add(s.Name, (BEncodedNumber)s.MessageId));
mainDict.Add(SupportsKey, supportsDict);
mainDict.Add(MetadataSizeKey, (BEncodedNumber)_metadataSize);
return(mainDict);
}
private static async Task shutdown()
{
BEncodedDictionary fastResume = new BEncodedDictionary();
for (int i = 0; i < torrents.Count; i++)
{
await torrents[i].StopAsync();;
while (torrents[i].State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrents[i].Torrent.Name, torrents[i].State);
Thread.Sleep(250);
}
fastResume.Add(torrents[i].Torrent.InfoHash.ToHex(), torrents[i].SaveFastResume().Encode());
}
File.WriteAllBytes(dhtNodeFile, engine.DhtEngine.SaveNodes());
File.WriteAllBytes(fastResumeFile, fastResume.Encode());
engine.Dispose();
System.Threading.Thread.Sleep(2000);
}
public LTMetadata(byte extensionId, MessageType type, int piece, byte[] metadata)
: this()
{
ExtensionId = extensionId;
MetadataMessageType = type;
MetadataPiece = metadata;
Piece = piece;
dict = new BEncodedDictionary {
{ MessageTypeKey, (BEncodedNumber)(int)MetadataMessageType },
{ PieceKey, (BEncodedNumber)piece }
};
if (MetadataMessageType == MessageType.Data)
{
if (metadata is null)
{
throw new InvalidDataException("The metadata data message did not contain any data.");
}
dict.Add(TotalSizeKey, (BEncodedNumber)metadata.Length);
}
}
void Initialise(BEncodedDictionary metadata)
{
Metadata = metadata;
BEncodedValue value;
if (!Metadata.TryGetValue(AnnounceListKey, out value))
{
value = new BEncodedList();
Metadata.Add(AnnounceListKey, value);
}
Announces = new RawTrackerTiers((BEncodedList)value);
if (string.IsNullOrEmpty(Encoding))
{
Encoding = "UTF-8";
}
if (InfoDict == null)
{
InfoDict = new BEncodedDictionary();
}
}
private static void shutdown()
{
BEncodedDictionary fastResume = new BEncodedDictionary();
foreach (var torrentManager in torrents)
{
torrentManager.Stop();;
while (torrentManager.State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrentManager.Torrent.Name, torrentManager.State);
Thread.Sleep(250);
}
fastResume.Add(torrentManager.Torrent.InfoHash.ToHex(), torrentManager.SaveFastResume().Encode());
}
#if !DISABLE_DHT
File.WriteAllBytes(dhtNodeFile, engine.DhtEngine.SaveNodes());
#endif
File.WriteAllBytes(fastResumeFile, fastResume.Encode());
engine.Dispose();
System.Threading.Thread.Sleep(2000);
}
private void Shutdown()
{
var fastResume = new BEncodedDictionary();
foreach (var torrentManager in Managers)
{
torrentManager.Stop();
while (torrentManager.State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrentManager.Torrent.Name, torrentManager.State);
Thread.Sleep(250);
}
fastResume.Add(torrentManager.Torrent.InfoHash.ToHex(), torrentManager.SaveFastResume().Encode());
}
//#if !DISABLE_DHT
// File.WriteAllBytes(_dhtNodeFile, _engine.DhtEngine.SaveNodes());
//#endif
File.WriteAllBytes(Path.Combine(Options.Client.Path, "fastresume.data"), fastResume.Encode());
TorrentClient.Dispose();
Thread.Sleep(2000);
}
private static async Task ShutdownV2()
{
fastResume = new BEncodedDictionary();
foreach (var Tmanager in engine.Torrents)
{
var stoppingTask = Tmanager.StopAsync();
while (Tmanager.State != TorrentState.Stopped)
{
Thread.Sleep(250);
}
await stoppingTask;
if (Tmanager.HashChecked)
{
fastResume.Add(Tmanager.Torrent.InfoHash.ToHex(), Tmanager.SaveFastResume().Encode());
}
}
var nodes = await engine.DhtEngine.SaveNodesAsync();
File.WriteAllBytes(dhtNodeFile, nodes);
File.WriteAllBytes(fastResumeFile, fastResume.Encode());
engine.Dispose();
Thread.Sleep(2000);
}
private BEncodedList CreateFiles()
{
BEncodedList files = new BEncodedList();
BEncodedDictionary file;
BEncodedList path;
path = new BEncodedList();
path.Add(new BEncodedString("file1.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(50000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("file2.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(60000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("subfolder2"));
path.Add(new BEncodedString("file3.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(70000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("subfolder2"));
path.Add(new BEncodedString("file4.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(80000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
return files;
}
protected override void HandleLtMetadataMessage(PeerId id, LTMetadata message)
{
base.HandleLtMetadataMessage(id, message);
switch (message.MetadataMessageType)
{
case LTMetadata.eMessageType.Data:
if (Stream == null)
{
throw new Exception("Need extention handshake before ut_metadata message.");
}
Stream.Seek(message.Piece * LTMetadata.BlockSize, SeekOrigin.Begin);
Stream.Write(message.MetadataPiece, 0, message.MetadataPiece.Length);
bitField[message.Piece] = true;
if (bitField.AllTrue)
{
byte[] hash;
Stream.Position = 0;
using (SHA1 hasher = HashAlgoFactory.Create <SHA1> ())
hash = hasher.ComputeHash(Stream);
if (!Manager.InfoHash.Equals(hash))
{
bitField.SetAll(false);
}
else
{
Stream.Position = 0;
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", BEncodedValue.Decode(Stream));
if (Manager.TrackerManager.Tiers != null && Manager.TrackerManager.Tiers.Count > 0)
{
BEncodedList announceTrackers = new BEncodedList();
foreach (var tier in Manager.TrackerManager.Tiers)
{
BEncodedList announceUrls = new BEncodedList();
foreach (var tracker in tier.Trackers)
{
announceUrls.Add(new BEncodedString(tracker.Uri.OriginalString));
}
announceTrackers.Add(announceUrls);
}
dict.Add("announce-list", announceTrackers);
}
if (Torrent.TryLoad(dict.Encode(), out Torrent t))
{
Manager.RaiseMetadataReceived(t, dict);
if (stopWhenDone)
{
return;
}
try {
if (Directory.Exists(savePath))
{
savePath = Path.Combine(savePath, $"{Manager.InfoHash.ToHex ()}.torrent");
}
File.Delete(savePath);
File.WriteAllBytes(savePath, dict.Encode());
} catch (Exception ex) {
Logger.Log(null, "*METADATA EXCEPTION* - Can not write in {0} : {1}", savePath, ex);
Manager.TrySetError(Reason.WriteFailure, ex);
return;
}
t.TorrentPath = savePath;
Manager.Torrent = t;
SwitchToRegular();
}
else
{
bitField.SetAll(false);
}
}
}
//Double test because we can change the bitfield in the other block
if (!bitField.AllTrue)
{
RequestNextNeededPiece(id);
}
break;
case LTMetadata.eMessageType.Reject:
//TODO
//Think to what we do in this situation
//for moment nothing ;)
//reject or flood?
break;
case LTMetadata.eMessageType.Request: //ever done in base class but needed to avoid default
break;
default:
throw new MessageException($"Invalid messagetype in LTMetadata: {message.MetadataMessageType}");
}
}
/// <summary>
/// 处理 Tracker 请求的方法。
/// </summary>
/// <param name="processor">为此请求生成的 <see cref="Kei.KTracker.HttpProcessor"/> 对象。</param>
/// <param name="ioStream"><see cref="Kei.KTracker.HttpProcessor"/> 为此请求开启的 <see cref="System.IO.Stream"/>。</param>
/// <param name="parameters">URL 请求参数。</param>
private void HandleTrackerRequest(HttpProcessor processor, Stream ioStream, string parameters)
{
// parameters 传入类似 info_hash=XXXX&port=XXXX&ipv6=XXXX 的形式
var args = Utilities.DecomposeParameterString(parameters);
Logger.Log("[Tracker]请求: " + processor.RequestUrl);
try
{
Logger.Log("[Tracker]解码收到的参数。");
// 先解码处理各种参数（注意可能会引发异常）
string infoHashString = Utilities.UnescapePartialUriEncodedString(args["info_hash"]);
InfoHash infoHash = InfoHash.FromHexString(infoHashString);
int portNo = Convert.ToInt32(args["port"]);
TaskStatus taskStatus;
if (args.ContainsKey("event"))
{
switch (args["event"])
{
case "started":
taskStatus = TaskStatus.Started;
break;
case "stopped":
taskStatus = TaskStatus.Stopped;
break;
case "paused":
taskStatus = TaskStatus.Paused;
break;
default:
taskStatus = TaskStatus.None;
break;
}
}
else
{
taskStatus = TaskStatus.None;
}
bool compact;
if (args.ContainsKey("compact"))
{
var n = Convert.ToInt32(args["compact"]);
compact = n != 0;
}
else
{
compact = false;
}
bool noPeerID;
if (args.ContainsKey("no_peer_id"))
{
var n = Convert.ToInt32(args["no_peer_id"]);
noPeerID = n != 0;
}
else
{
noPeerID = false;
}
var peerIDString = Utilities.UnescapePartialUriEncodedString(args["peer_id"]);
// 别忘了重新确认自己
IPEndPoint newMyself = new IPEndPoint(LocalEndPoint.Address, portNo);
Logger.Log("[Tracker]新的自己(BitTorrent 客户端): " + newMyself.ToString());
SetMyself(newMyself, peerIDString);
List <Peer> peers = null;
TrackerCommEventArgs eventArgs;
// 如果接入分布网络完成
if (FreeToGo)
{
// 触发事件，得到新的可用用户列表
if (Seeds.TryGetValue(infoHash, out peers))
{
peers = Seeds[infoHash];
if (peers.IndexOf(_myself) < 0)
{
// 如果之前我不在种子列表中
// TODO: 添加 myself
peers.Add(_myself);
// 而且此时确认为自己加入网络，强制设定 event=started
taskStatus = TaskStatus.Started;
}
}
else
{
// 如果之前没有相关种子
peers = new List <Peer>();
// TODO: 添加 myself
peers.Add(_myself);
Seeds.Add(infoHash, peers);
// 而且此时确认为自己加入网络，强制设定 event=started
taskStatus = TaskStatus.Started;
}
}
eventArgs = new TrackerCommEventArgs(infoHash, peers, portNo, peerIDString, compact, noPeerID, taskStatus);
EventHelper.RaiseEventAsync(TrackerComm, this, eventArgs);
//if (eventArgs.Peers == null)
//{
// throw new NullReferenceException("Peers list is null");
//}
if (eventArgs.Peers != null)
{
peers = eventArgs.Peers;
}
// 生成返回给 μTorrent 的信息
Logger.Log("[Tracker]反馈给 BitTorrent 客户端。");
if (peers != null)
{
string peersListString = "[Tracker]种子 " + infoHash.ToString() + " 的用户列表如下:";
foreach (var p in peers)
{
peersListString += Environment.NewLine + p.EndPoint.ToString();
}
Logger.Log(peersListString);
}
else
{
Logger.Log("[Tracker]种子 " + infoHash.ToString() + " 的用户列表为空。");
}
BEncodedDictionary data = new BEncodedDictionary();
data.Add("interval", 60);
if (peers != null)
{
// 如果种子列表里有种子
// 为了防止其他线程修改这个 list 导致迭代器失效，先锁定这个对象
lock (peers)
{
if (compact)
{
// 生成字节数组
byte[] peersArray = new byte[peers.Count * 6];
byte[] tmp;
int i = 0;
foreach (var peer in peers)
{
tmp = peer.ToByteArray();
Array.Copy(tmp, 0, peersArray, i * 6, 6);
i++;
}
data.Add("peers", peersArray);
}
else
{
// 生成列表
BEncodedList peersList = new BEncodedList(peers.Count);
foreach (var peer in peers)
{
BEncodedDictionary peerDict = new BEncodedDictionary();
peerDict.Add("id", peer.ID);
peerDict.Add("ip", peer.EndPoint.GetAddressString());
peerDict.Add("port", peer.EndPoint.GetPortNumber());
peersList.Add(peerDict);
}
data.Add("peers", peersList);
}
}
data.Add("complete", peers.Count);
}
else
{
// 如果没有种子，就返回空列表
data.Add("peers", string.Empty);
}
// 输出
Logger.Log("[Tracker]写入“成功”头。");
processor.WriteSuccess(null, "text/plain");
Logger.Log("[Tracker]编码返回数据。");
var dataBytes = data.Encode();
Logger.Log("[Tracker]写入返回数据。");
ioStream.Write(dataBytes, 0, dataBytes.Length);
Logger.Log("[Tracker]向 BitTorrent 客户端返回了: " + Encoding.ASCII.GetString(dataBytes));
ioStream.Flush();
}
catch (Exception ex)
{
Logger.Log(ex.Message + Environment.NewLine + ex.StackTrace);
processor.WriteFailure();
ioStream.WriteLine(ex.Message);
ioStream.WriteLine(ex.StackTrace);
}
}
public static void Process(string inputFilename, BEncodedDictionary torrent)
{
bool successful = false;
bool isFgbtTorrent = false;
BEncodedDictionary newTorrent = new BEncodedDictionary();
TryReadKeiGuiConfig();
if (true && !string.IsNullOrEmpty(inputFilename) && torrent != null)
{
FileInfo fi = new FileInfo(inputFilename);
// 先判断是否是未来花园的种子
if (fi.Name.StartsWith("[FGBT]."))
{
try
{
var sourceString = ((torrent["info"] as BEncodedDictionary)["source"] as BEncodedString).Text;
if (sourceString.StartsWith("FGBT-"))
{
// 是原来的未来花园的种子
isFgbtTorrent = true;
}
}
catch (Exception)
{
}
}
var kt = new TrackerServer(new IPEndPoint(IPAddress.Loopback, 10000));
var announceString = "http://localhost:" + kgOptions.LocalTrackerServerPort.ToString() + kt.AnnouceUrl.TrimEnd('?');
try
{
newTorrent.Add("announce", announceString);
newTorrent.Add("announce-list", new BEncodedList()
{
new BEncodedList()
{
announceString,
}
});
newTorrent.Add("created by", (torrent["created by"] as BEncodedString).Text);
newTorrent.Add("creation date", (torrent["creation date"] as BEncodedNumber).Number);
// 遵循花园的原则，不转码，直接设置编码为 UTF-8
newTorrent.Add("encoding", "UTF-8");
var info = new BEncodedDictionary();
if (isFgbtTorrent)
{
foreach (var item in (torrent["info"] as BEncodedDictionary))
{
info.Add(item);
}
}
else
{
if ((torrent["info"] as BEncodedDictionary).ContainsKey("files"))
{
// 单文件的种子是没有 files 项的
info.Add("files", (torrent["info"] as BEncodedDictionary)["files"]);
}
else
{
// 单文件的种子有 length 项
info.Add("length", (torrent["info"] as BEncodedDictionary)["length"]);
}
info.Add("name", (torrent["info"] as BEncodedDictionary)["name"]);
info.Add("piece length", (torrent["info"] as BEncodedDictionary)["piece length"]);
info.Add("pieces", (torrent["info"] as BEncodedDictionary)["pieces"]);
info.Add("private", 1);
// 至于 source 呢，要经过编码……
var origInfo = torrent["info"].Encode();
var sha1 = SHA1.Create();
var origInfoHash = sha1.ComputeHash(origInfo);
sha1.Dispose();
var origInfoHashString = BitConverter.ToString(origInfoHash);
origInfoHashString = new string(origInfoHashString.Where((c) => c != '-').ToArray());
info.Add("source", "KS-" + origInfoHashString);
}
newTorrent.Add("info", info);
successful = true;
}
catch (Exception)
{
successful = false;
}
kt = null;
}
if (successful)
{
var fi = new FileInfo(inputFilename);
var newName = Path.Combine(fi.DirectoryName, "[KS]." + fi.Name);
// 命令行状态下不提示
//if (File.Exists(newName))
//{
// var dresult = MessageBox.Show("已存在 " + newName + "，是否覆盖？", Application.ProductName, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
// if (dresult == DialogResult.No)
// {
// return;
// }
//}
try
{
using (var fs = new FileStream(newName, FileMode.OpenOrCreate, FileAccess.Write))
{
var buf = newTorrent.Encode();
fs.Write(buf, 0, buf.Length);
}
Console.WriteLine("成功保存到 " + newName + "。");
}
catch (Exception ex)
{
Console.WriteLine("无法写入 " + newName + ": " + ex.Message);
}
}
else
{
Console.WriteLine("尝试生成并保存种子失败。");
}
}
internal Torrent GetTorrent()
{
byte[] calculatedInfoHash;
using (SHA1 sha = HashAlgoFactory.Create<SHA1>())
calculatedInfoHash = sha.ComputeHash(stream.ToArray());
if (!Manager.InfoHash.Equals (calculatedInfoHash))
throw new Exception("invalid metadata");//restart ?
BEncodedValue d = BEncodedValue.Decode(stream);
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", d);
return Torrent.LoadCore(dict);
}
public void DecodeDictionary()
{
var list = new BEncodedList();
foreach (var p in peers)
{
var dict = new BEncodedDictionary();
dict.Add("ip", (BEncodedString) p.ConnectionUri.Host);
dict.Add("port", (BEncodedNumber) p.ConnectionUri.Port);
dict.Add("peer id", (BEncodedString) p.PeerId);
list.Add(dict);
}
VerifyDecodedPeers(Peer.Decode(list));
}
protected override void HandleLtMetadataMessage(PeerId id, LTMetadata message)
{
base.HandleLtMetadataMessage(id, message);
switch (message.MetadataMessageType)
{
case LTMetadata.eMessageType.Data:
if (stream == null)
{
throw new Exception("Need extention handshake before ut_metadata message.");
}
stream.Seek(message.Piece * LTMetadata.BlockSize, SeekOrigin.Begin);
stream.Write(message.MetadataPiece, 0, message.MetadataPiece.Length);
bitField[message.Piece] = true;
if (bitField.AllTrue)
{
byte[] hash;
stream.Position = 0;
using (SHA1 hasher = HashAlgoFactory.Create <SHA1>())
hash = hasher.ComputeHash(stream);
if (!Manager.InfoHash.Equals(hash))
{
bitField.SetAll(false);
}
else
{
Torrent t;
stream.Position = 0;
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", BEncodedValue.Decode(stream));
// FIXME: Add the trackers too
if (Torrent.TryLoad(dict.Encode(), out t))
{
try
{
if (Directory.Exists(savePath))
{
savePath = Path.Combine(savePath, Manager.InfoHash.ToHex() + ".torrent");
}
File.Delete(savePath);
File.WriteAllBytes(savePath, dict.Encode());
}
catch (Exception ex)
{
Logger.Log(null, "*METADATA EXCEPTION* - Can not write in {0} : {1}", savePath, ex);
Manager.Error = new Error(Reason.WriteFailure, ex);
Manager.Mode = new ErrorMode(Manager);
return;
}
t.TorrentPath = savePath;
Manager.Torrent = t;
SwitchToRegular();
}
else
{
bitField.SetAll(false);
}
}
}
//Double test because we can change the bitfield in the other block
if (!bitField.AllTrue)
{
RequestNextNeededPiece(id);
}
break;
case LTMetadata.eMessageType.Reject:
//TODO
//Think to what we do in this situation
//for moment nothing ;)
//reject or flood?
break;
case LTMetadata.eMessageType.Request: //ever done in base class but needed to avoid default
break;
default:
throw new MessageException(string.Format("Invalid messagetype in LTMetadata: {0}", message.MetadataMessageType));
}
}
/// <summary>
/// Adds a custom value to the main bencoded dictionary
/// </summary>
public void AddCustom(BEncodedString key, BEncodedValue value)
{
dict.Add(key, value);
}
///<summary>
///this adds stuff common to single and multi file torrents
///</summary>
void AddCommonStuff(BEncodedDictionary torrent)
{
if (announces.Count > 0 && announces[0].Count > 0) torrent.Add("announce", new BEncodedString(announces[0][0]));
// If there is more than one tier or the first tier has more than 1 tracker
if (announces.Count > 1 || (announces.Count > 0 && announces[0].Count > 1))
{
var announceList = new BEncodedList();
for (var i = 0; i < announces.Count; i++)
{
var tier = new BEncodedList();
for (var j = 0; j < announces[i].Count; j++) tier.Add(new BEncodedString(announces[i][j]));
announceList.Add(tier);
}
torrent.Add("announce-list", announceList);
}
var epocheStart = new DateTime(1970, 1, 1);
var span = DateTime.Now - epocheStart;
Logger.Log(null, "creation date: {0} - {1} = {2}:{3}", DateTime.Now, epocheStart, span, span.TotalSeconds);
torrent.Add("creation date", new BEncodedNumber((long)span.TotalSeconds));
}
private BEncodedDictionary CreateInfoDict()
{
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("source", new BEncodedString("http://www.thisiswhohostedit.com"));
dict.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("this is a sha1 hash string"))));
dict.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("ed2k isn't a sha, but who cares"))));
dict.Add("publisher-url.utf-8", new BEncodedString("http://www.iamthepublisher.com"));
dict.Add("publisher-url", new BEncodedString("http://www.iamthepublisher.com"));
dict.Add("publisher.utf-8", new BEncodedString("MonoTorrent Inc."));
dict.Add("publisher", new BEncodedString("MonoTorrent Inc."));
dict.Add("files", CreateFiles());
dict.Add("name.utf-8", new BEncodedString("MyBaseFolder"));
dict.Add("name", new BEncodedString("MyBaseFolder"));
dict.Add("piece length", new BEncodedNumber(512));
dict.Add("private", new BEncodedString("1"));
dict.Add("pieces", new BEncodedString(new byte[((26000 + 512) / 512) * 20])); // Total size is 26000, piecelength is 512
return(dict);
}
///<summary>
///this method is used for multi file mode torrents to return a dictionary with
///file relevant informations.
///<param name="file">the file to report the informations for</param>
///<param name="basePath">used to subtract the absolut path information</param>
///</summary>
BEncodedDictionary GetFileInfoDict(TorrentFile file)
{
var fileDict = new BEncodedDictionary();
fileDict.Add("length", new BEncodedNumber(file.Length));
var filePath = new BEncodedList();
var splittetPath = file.Path.Split(System.IO.Path.DirectorySeparatorChar);
foreach (var s in splittetPath)
{
if (s.Length > 0) //exclude empties
filePath.Add(new BEncodedString(s));
}
fileDict.Add("path", filePath);
return fileDict;
}
private static void Shutdown()
{
var fastResume = new BEncodedDictionary();
foreach (var torrentManager in torrents)
{
torrentManager.Stop();
while (torrentManager.State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrentManager.Torrent.Name, torrentManager.State);
Thread.Sleep(250);
}
fastResume.Add(torrentManager.Torrent.InfoHash.ToHex (), torrentManager.SaveFastResume().Encode());
}
#if !DISABLE_DHT
File.WriteAllBytes(_dhtNodeFile, _engine.DhtEngine.SaveNodes());
#endif
File.WriteAllBytes(_fastResumeFile, fastResume.Encode());
_engine.Dispose();
foreach (TraceListener lst in Debug.Listeners)
{
lst.Flush();
lst.Close();
}
Thread.Sleep(2000);
}
protected override void HandleLtMetadataMessage(PeerId id, LTMetadata message)
{
base.HandleLtMetadataMessage(id, message);
switch (message.MetadataMessageType)
{
case LTMetadata.eMessageType.Data:
if (stream == null)
throw new Exception("Need extention handshake before ut_metadata message.");
stream.Seek(message.Piece * LTMetadata.BlockSize, SeekOrigin.Begin);
stream.Write(message.MetadataPiece, 0, message.MetadataPiece.Length);
bitField[message.Piece] = true;
if (bitField.AllTrue)
{
byte[] hash;
stream.Position = 0;
using (SHA1 hasher = HashAlgoFactory.Create<SHA1>())
hash = hasher.ComputeHash(stream);
if (!Manager.InfoHash.Equals (hash))
{
bitField.SetAll(false);
}
else
{
Torrent t;
stream.Position = 0;
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add ("info", BEncodedValue.Decode(stream));
// FIXME: Add the trackers too
if (Torrent.TryLoad(dict.Encode (), out t))
{
try
{
if (Directory.Exists(savePath))
savePath = Path.Combine (savePath, Manager.InfoHash.ToHex() + ".torrent");
File.WriteAllBytes(savePath, dict.Encode ());
}
catch (Exception ex)
{
Logger.Log(null, "*METADATA EXCEPTION* - Can not write in {0} : {1}", savePath, ex);
Manager.Error = new Error (Reason.WriteFailure, ex);
Manager.Mode = new ErrorMode(Manager);
return;
}
t.TorrentPath = savePath;
Manager.Torrent = t;
SwitchToRegular();
}
else
{
bitField.SetAll(false);
}
}
}
//Double test because we can change the bitfield in the other block
if (!bitField.AllTrue)
{
RequestNextNeededPiece(id);
}
break;
case LTMetadata.eMessageType.Reject:
//TODO
//Think to what we do in this situation
//for moment nothing ;)
//reject or flood?
break;
case LTMetadata.eMessageType.Request://ever done in base class but needed to avoid default
break;
default:
throw new MessageException(string.Format("Invalid messagetype in LTMetadata: {0}", message.MetadataMessageType));
}
}
protected override void HandleLtMetadataMessage(PeerId id, LTMetadata message)
{
base.HandleLtMetadataMessage(id, message);
switch (message.MetadataMessageType)
{
case LTMetadata.eMessageType.Data:
// If we've already received everything successfully, do nothing!
if (bitField.AllTrue)
{
return;
}
if (Stream == null)
{
throw new Exception("Need extention handshake before ut_metadata message.");
}
Stream.Seek(message.Piece * LTMetadata.BlockSize, SeekOrigin.Begin);
Stream.Write(message.MetadataPiece, 0, message.MetadataPiece.Length);
bitField[message.Piece] = true;
if (bitField.AllTrue)
{
byte[] hash;
Stream.Position = 0;
using (SHA1 hasher = HashAlgoFactory.SHA1())
hash = hasher.ComputeHash(Stream);
if (!Manager.InfoHash.Equals(hash))
{
bitField.SetAll(false);
}
else
{
Stream.Position = 0;
BEncodedDictionary dict = new BEncodedDictionary();
dict.Add("info", BEncodedValue.Decode(Stream));
if (Manager.TrackerManager.Tiers != null && Manager.TrackerManager.Tiers.Count > 0)
{
BEncodedList announceTrackers = new BEncodedList();
foreach (var tier in Manager.TrackerManager.Tiers)
{
BEncodedList announceUrls = new BEncodedList();
foreach (var tracker in tier.Trackers)
{
announceUrls.Add(new BEncodedString(tracker.Uri.OriginalString));
}
announceTrackers.Add(announceUrls);
}
dict.Add("announce-list", announceTrackers);
}
var rawData = dict.Encode();
if (Torrent.TryLoad(rawData, out Torrent t))
{
if (stopWhenDone)
{
Manager.RaiseMetadataReceived(rawData);
return;
}
try {
if (this.Settings.AutoSaveLoadMagnetLinkMetadata)
{
if (!Directory.Exists(Path.GetDirectoryName(savePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(savePath));
}
File.Delete(savePath);
File.WriteAllBytes(savePath, dict.Encode());
}
} catch (Exception ex) {
logger.ExceptionFormated(ex, "Cannot write metadata to path '{0}'", savePath);
Manager.TrySetError(Reason.WriteFailure, ex);
return;
}
Manager.SetMetadata(t);
_ = Manager.StartAsync();
Manager.RaiseMetadataReceived(rawData);
}
else
{
bitField.SetAll(false);
}
}
}
RequestNextNeededPiece(id);
break;
case LTMetadata.eMessageType.Reject:
//TODO
//Think to what we do in this situation
//for moment nothing ;)
//reject or flood?
break;
case LTMetadata.eMessageType.Request: //ever done in base class but needed to avoid default
break;
default:
throw new MessageException($"Invalid messagetype in LTMetadata: {message.MetadataMessageType}");
}
}
/// <summary>
/// Retrieves a semi-random list of peers which can be used to fulfill an Announce request
/// </summary>
/// <param name="response">The bencoded dictionary to add the peers to</param>
/// <param name="count">The number of peers to add</param>
/// <param name="compact">True if the peers should be in compact form</param>
/// <param name="exlude">The peer to exclude from the list</param>
internal void GetPeers(BEncodedDictionary response, int count, bool compact)
{
byte[] compactResponse = null;
BEncodedList nonCompactResponse = null;
int total = Math.Min(peers.Count, count);
// If we have a compact response, we need to create a single BencodedString
// Otherwise we need to create a bencoded list of dictionaries
if (compact)
compactResponse = new byte[total * 6];
else
nonCompactResponse = new BEncodedList(total);
int start = random.Next(0, peers.Count);
lock (buffer)
{
if (buffer.Count != peers.Values.Count)
buffer = new List<Peer>(peers.Values);
}
List<Peer> p = buffer;
while (total > 0)
{
Peer current = p[(start++) % p.Count];
if (compact)
{
Buffer.BlockCopy(current.CompactEntry, 0, compactResponse, (total - 1) * 6, 6);
}
else
{
nonCompactResponse.Add(current.NonCompactEntry);
}
total--;
}
if (compact)
response.Add(Tracker.PeersKey, (BEncodedString)compactResponse);
else
response.Add(Tracker.PeersKey, nonCompactResponse);
}
BEncodedDictionary Create(string key, string value)
{
var d = new BEncodedDictionary ();
d.Add (key, (BEncodedString) value);
return d;
}
private void Initialise(BEncodedDictionary metadata)
{
Metadata = metadata;
BEncodedValue value;
if (!Metadata.TryGetValue(AnnounceListKey, out value))
{
value = new BEncodedList();
Metadata.Add(AnnounceListKey, value);
}
Announces = new RawTrackerTiers((BEncodedList) value);
if (string.IsNullOrEmpty(Encoding))
Encoding = "UTF-8";
if (InfoDict == null)
InfoDict = new BEncodedDictionary();
}
public TorrentCreator()
{
var info = new BEncodedDictionary();
announces = new List<List<string>>();
ignoreHiddenFiles = true;
dict = new BEncodedDictionary();
dict.Add("info", info);
// Add in initial values for some of the torrent attributes
PieceLength = 256*1024; // 256kB default piece size
Encoding = "UTF-8";
}
private BEncodedDictionary Create()
{
if (!ClientEngine.SupportsExtended)
throw new MessageException("Libtorrent extension messages not supported");
var mainDict = new BEncodedDictionary();
var supportsDict = new BEncodedDictionary();
mainDict.Add(MaxRequestKey, (BEncodedNumber) MaxRequests);
mainDict.Add(VersionKey, (BEncodedString) Version);
mainDict.Add(PortKey, (BEncodedNumber) LocalPort);
SupportedMessages.ForEach(
delegate(ExtensionSupport s) { supportsDict.Add(s.Name, (BEncodedNumber) s.MessageId); });
mainDict.Add(SupportsKey, supportsDict);
mainDict.Add(MetadataSizeKey, (BEncodedNumber) MetadataSize);
return mainDict;
}
///<summary>calculate md5sum of a file</summary>
///<param name="fileName">the file to sum with md5</param>
void AddMD5(BEncodedDictionary dict, string fileName)
{
var hasher = MD5.Create();
var sb = new StringBuilder();
using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var hash = hasher.ComputeHash(stream);
foreach (var b in hash)
{
var hex = b.ToString("X");
hex = hex.Length > 1 ? hex : "0" + hex;
sb.Append(hex);
}
Logger.Log(null, "Sum for: '{0}' = {1}", fileName, sb.ToString());
}
dict.Add("md5sum", new BEncodedString(sb.ToString()));
}
private static void shutdown()
{
BEncodedDictionary fastResume = new BEncodedDictionary();
for (int i = 0; i < torrents.Count; i++)
{
WaitHandle handle = torrents[i].Stop(); ;
while (!handle.WaitOne(10, true))
Console.WriteLine(handle.ToString());
Console.WriteLine(handle.ToString());
fastResume.Add(torrents[i].Torrent.InfoHash, torrents[i].SaveFastResume().Encode());
}
File.WriteAllBytes(dhtNodeFile, engine.DhtEngine.SaveNodes());
File.WriteAllBytes(fastResumeFile, fastResume.Encode());
engine.Dispose();
foreach (TraceListener lst in Debug.Listeners)
{
lst.Flush();
lst.Close();
}
System.Threading.Thread.Sleep(2000);
}
static void Set(BEncodedDictionary dictionary, BEncodedString key, BEncodedValue value)
{
if (dictionary.ContainsKey(key)) dictionary[key] = value;
else dictionary.Add(key, value);
}
public void SaveFastResume ()
{
BEncodedDictionary dict = new BEncodedDictionary();
foreach (TorrentManager manager in items)
dict.Add (manager.Torrent.InfoHash, manager.SaveFastResume ().Encode ());
try
{
File.WriteAllBytes (TorrentCurses.fast_resume, dict.Encode ());
}
catch
{
}
}
private BEncodedList CreateFiles()
{
BEncodedList files = new BEncodedList();
BEncodedDictionary file;
BEncodedList path;
path = new BEncodedList();
path.Add(new BEncodedString("file1.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(50000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("file2.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(60000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("subfolder2"));
path.Add(new BEncodedString("file3.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(70000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
path = new BEncodedList();
path.Add(new BEncodedString("subfolder1"));
path.Add(new BEncodedString("subfolder2"));
path.Add(new BEncodedString("file4.txt"));
file = new BEncodedDictionary();
file.Add("sha1", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash1"))));
file.Add("ed2k", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash2"))));
file.Add("length", new BEncodedNumber(80000));
file.Add("md5sum", new BEncodedString(sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes("file1 hash3"))));
file.Add("path.utf-8", path);
file.Add("path", path);
files.Add(file);
return(files);
}
private void WindowClosed(object sender, EventArgs e)
{
if (SettingsManager.SaveSession)
{
var resume = new BEncodedDictionary();
var serializer = new JsonSerializer();
foreach (var torrent in Client.Torrents)
{
torrent.Torrent.Stop();
var start = DateTime.Now;
while (torrent.Torrent.State != TorrentState.Stopped && torrent.Torrent.State != TorrentState.Error &&
(DateTime.Now - start).TotalSeconds < 2) // Time limit for trying to let it stop on its own
Thread.Sleep(100);
torrent.UpdateInfo();
using (var writer = new StreamWriter(Path.Combine(SettingsManager.TorrentCachePath,
Path.GetFileNameWithoutExtension(torrent.CacheFilePath) + ".info")))
serializer.Serialize(new JsonTextWriter(writer), torrent.TorrentInfo);
// TODO: Notify users on error? The application is shutting down here, it wouldn't be particualry
// easy to get information to the user
resume.Add(torrent.Torrent.InfoHash.ToHex(), torrent.Torrent.SaveFastResume().Encode());
}
File.WriteAllBytes(SettingsManager.FastResumePath, resume.Encode());
}
SettingsManager.WindowWidth = (int)Width;
SettingsManager.WindowHeight = (int)Height;
SaveSettings();
Client.Shutdown();
}
private static void shutdown()
{
BEncodedDictionary fastResume = new BEncodedDictionary();
for (int i = 0; i < torrents.Count; i++)
{
torrents[i].Stop(); ;
while (torrents[i].State != TorrentState.Stopped)
{
Console.WriteLine("{0} is {1}", torrents[i].Torrent.Name, torrents[i].State);
Thread.Sleep(250);
}
fastResume.Add(torrents[i].Torrent.InfoHash.ToHex (), torrents[i].SaveFastResume().Encode());
}
#if !DISABLE_DHT
File.WriteAllBytes(dhtNodeFile, engine.DhtEngine.SaveNodes());
#endif
File.WriteAllBytes(fastResumeFile, fastResume.Encode());
engine.Dispose();
foreach (TraceListener lst in Debug.Listeners)
{
lst.Flush();
lst.Close();
}
System.Threading.Thread.Sleep(2000);
}
///<summary>
///this method is used for multi file mode torrents to return a dictionary with
///file relevant informations.
///<param name="file">the file to report the informations for</param>
///<param name="basePath">used to subtract the absolut path information</param>
///</summary>
private BEncodedDictionary GetFileInfoDict(TorrentFile file)
{
BEncodedDictionary fileDict = new BEncodedDictionary();
fileDict.Add("length", new BEncodedNumber(file.Length));
#warning Implement this again
//if (StoreMD5)
//AddMD5(fileDict, file);
Logger.Log(null, "Without base: {0}", file.Path);
BEncodedList filePath = new BEncodedList();
string[] splittetPath = file.Path.Split(System.IO.Path.DirectorySeparatorChar);
foreach (string s in splittetPath)
{
if (s.Length > 0)//exclude empties
filePath.Add(new BEncodedString(s));
}
fileDict.Add("path", filePath);
return fileDict;
}
