public GetPeersTask(DhtEngine engine, NodeId infohash)
{
_engine = engine;
_infoHash = infohash;
_closestNodes = new SortedList<NodeId, NodeId>(Bucket.MaxCapacity);
ClosestActiveNodes = new SortedList<NodeId, Node>(Bucket.MaxCapacity*2);
}
private void Initialise(DhtEngine engine, IEnumerable<Node> nodes)
{
_engine = engine;
_initialNodes = new List<Node>();
if (nodes != null)
_initialNodes.AddRange(nodes);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
if (Parameters.ContainsKey(NodesKey))
engine.Add(Node.FromCompactNode(Nodes.TextBytes));
}
void Initialise(DhtEngine engine, IEnumerable<Node> nodes)
{
this.engine = engine;
this.initialNodes = new List<Node>();
if (nodes != null)
initialNodes.AddRange(nodes);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
var m = new PingResponse(engine.RoutingTable.LocalNode.Id, TransactionId);
engine.MessageLoop.EnqueueSend(m, node.EndPoint);
}
public GetPeersTask(DhtEngine engine, NodeId infohash)
{
this.engine = engine;
this.infoHash = infohash;
this.closestNodes = new SortedList<NodeId, NodeId>(Bucket.MaxCapacity);
this.queriedNodes = new SortedList<NodeId, Node>(Bucket.MaxCapacity * 2);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
var response = new FindNodeResponse(engine.RoutingTable.LocalNode.Id, TransactionId);
var targetNode = engine.RoutingTable.FindNode(Target);
response.Nodes = targetNode != null
? targetNode.CompactNode()
: Node.CompactNode(engine.RoutingTable.GetClosest(Target));
engine.MessageLoop.EnqueueSend(response, node.EndPoint);
}
public SendQueryTask(DhtEngine engine, QueryMessage query, Node node, int retries)
{
if (engine == null)
throw new ArgumentNullException("engine");
if (query == null)
throw new ArgumentNullException("message");
if (node == null)
throw new ArgumentNullException("message");
this.engine = engine;
this.query = query;
this.node = node;
this.retries = retries;
this.origRetries = retries;
}
public SendQueryTask(DhtEngine engine, QueryMessage query, Node node, int retries)
{
if (engine == null)
throw new ArgumentNullException(nameof(engine));
if (query == null)
throw new ArgumentNullException(nameof(query));
if (node == null)
throw new ArgumentNullException(nameof(node));
this._engine = engine;
this._query = query;
Target = node;
this._retries = retries;
Retries = retries;
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
if (!engine.Torrents.ContainsKey(InfoHash))
engine.Torrents.Add(InfoHash, new List<Node>());
Message response;
if (engine.TokenManager.VerifyToken(node, Token))
{
engine.Torrents[InfoHash].Add(node);
response = new AnnouncePeerResponse(engine.RoutingTable.LocalNode.Id, TransactionId);
}
else
response = new ErrorMessage(ErrorCode.ProtocolError, "Invalid or expired token received");
engine.MessageLoop.EnqueueSend(response, node.EndPoint);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
BEncodedString token = engine.TokenManager.GenerateToken(node);
var response = new GetPeersResponse(engine.RoutingTable.LocalNode.Id, TransactionId, token);
if (engine.Torrents.ContainsKey(InfoHash))
{
var list = new BEncodedList();
foreach (Node n in engine.Torrents[InfoHash])
list.Add(n.CompactPort());
response.Values = list;
}
else
{
// Is this right?
response.Nodes = Node.CompactNode(engine.RoutingTable.GetClosest(InfoHash));
}
engine.MessageLoop.EnqueueSend(response, node.EndPoint);
}
public AnnounceTask(DhtEngine engine, InfoHash infoHash, int port)
: this(engine, new NodeId(infoHash), port)
{
}
void SettingsManager_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "IncomingPort":
Client.Listener.ChangeEndpoint(new IPEndPoint(IPAddress.Any, SettingsManager.IncomingPort));
if (SettingsManager.MapWithUPnP)
{
MapPort();
}
break;
case "MapWithUPnP":
if (SettingsManager.MapWithUPnP)
{
MapPort();
}
break;
case "MaxUploadSpeed":
Client.Settings.GlobalMaxUploadSpeed = SettingsManager.MaxUploadSpeed * 1024;
break;
case "MaxDownloadSpeed":
Client.Settings.GlobalMaxDownloadSpeed = SettingsManager.MaxDownloadSpeed * 1024;
break;
case "MaxConnections":
Client.Settings.GlobalMaxConnections = SettingsManager.MaxConnections;
break;
case "EnableDHT":
if (SettingsManager.EnableDHT)
{
var port = SettingsManager.IncomingPort;
if (SettingsManager.UseRandomPort)
{
port = new Random().Next(1, 65536);
}
var listener = new DhtListener(new IPEndPoint(IPAddress.Any, port));
var dht = new DhtEngine(listener);
Client.RegisterDht(dht);
listener.Start();
if (File.Exists(SettingsManager.DhtCachePath))
{
dht.Start(File.ReadAllBytes(SettingsManager.DhtCachePath));
}
else
{
dht.Start();
}
}
else
{
Client.DhtEngine.Stop();
}
break;
case "EncryptionSettings":
Client.Settings.AllowedEncryption = SettingsManager.EncryptionSettings;
break;
case "ProxyAddress":
case "EnableProxyAuthentication":
case "ProxyUsername":
case "ProxyPassword":
if (string.IsNullOrEmpty(SettingsManager.ProxyAddress))
{
ConnectionFactory.RegisterTypeForProtocol("tcp", typeof(IPV4Connection));
}
else
{
ConnectionFactory.RegisterTypeForProtocol("tcp", typeof(ProxiedConnection));
ushort port = 1080;
string address = SettingsManager.ProxyAddress;
if (SettingsManager.ProxyAddress.Contains(':'))
{
var parts = SettingsManager.ProxyAddress.Split(':');
address = parts[0];
port = ushort.Parse(parts[1]);
}
if (!SettingsManager.EnableProxyAuthentication)
{
ProxiedConnection.SetProxyDetails(address, port);
}
else
{
ProxiedConnection.SetProxyDetails(address, port, SettingsManager.ProxyUsername, SettingsManager.ProxyPassword);
}
}
break;
}
}
public AnnounceTask(DhtEngine engine, InfoHash infoHash, int port)
: this(engine, new NodeId(infoHash), port)
{
}
public InitialiseTask(DhtEngine engine)
: this(engine, Enumerable.Empty <Node> ())
{
}
public InitialiseTask(DhtEngine engine, IEnumerable <Node> nodes)
{
Initialise(engine, nodes);
}
public InitialiseTask(DhtEngine engine, IEnumerable<Node> nodes)
{
Initialise(engine, nodes);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
throw new MessageException(ErrorCode, Message);
}
public ReplaceNodeTask(DhtEngine engine, Bucket bucket, Node newNode)
{
_engine = engine;
_bucket = bucket;
_newNode = newNode;
}
public RefreshBucketTask(DhtEngine engine, Bucket bucket)
{
_engine = engine;
_bucket = bucket;
}
public RefreshBucketTask(DhtEngine engine, Bucket bucket)
{
_engine = engine;
_bucket = bucket;
}
private static async Task StartEngine()
{
int port;
Torrent torrent = null;
// Ask the user what port they want to use for incoming connections
// 询问用户要将使用哪个端口用于连接
Console.Write($"{Environment.NewLine} 选择监听的端口: ");
while (!Int32.TryParse(Console.ReadLine(), out port))
{
}
// 创建一个引擎的默认配置
// downloadsPath - 文件下载的目录
// port - 引擎监听的端口
EngineSettings engineSettings = new EngineSettings {
SavePath = downloadsPath,
ListenPort = port
};
//engineSettings.GlobalMaxUploadSpeed = 30 * 1024;
//engineSettings.GlobalMaxDownloadSpeed = 100 * 1024;
//engineSettings.MaxReadRate = 1 * 1024 * 1024;
// 创建一个 Torrent 默认的配置信息.
TorrentSettings torrentDefaults = new TorrentSettings();
// 创建一个客户端引擎.
engine = new ClientEngine(engineSettings);
byte[] nodes = Array.Empty <byte> ();
try {
if (File.Exists(dhtNodeFile))
{
nodes = File.ReadAllBytes(dhtNodeFile);
}
} catch {
Console.WriteLine("No existing dht nodes could be loaded");
}
DhtEngine dht = new DhtEngine(new IPEndPoint(IPAddress.Any, port));
await engine.RegisterDhtAsync(dht);
// 这将启动Dht引擎,但不会等待完全初始化完成.
// 这是因为根据连接节点时超时的数量,启动最多需要2分钟.
await engine.DhtEngine.StartAsync(nodes);
// 如果下载路径不存在,则创建之.
if (!Directory.Exists(engine.Settings.SavePath))
{
Directory.CreateDirectory(engine.Settings.SavePath);
}
// 如果Torrent存储目录不存在,则创建之.
if (!Directory.Exists(torrentsPath))
{
Directory.CreateDirectory(torrentsPath);
}
BEncodedDictionary fastResume = new BEncodedDictionary();
try {
if (File.Exists(fastResumeFile))
{
fastResume = BEncodedValue.Decode <BEncodedDictionary> (File.ReadAllBytes(fastResumeFile));
}
} catch {
}
// 将Torrents目录中的每个 torrent 文件将其加载到引擎中.
foreach (string file in Directory.GetFiles(torrentsPath))
{
if (file.EndsWith(".torrent", StringComparison.OrdinalIgnoreCase))
{
try {
// 加载torrent文件到Torrent实例中,如果需要的话,可以使用它进行预处理
torrent = await Torrent.LoadAsync(file);
Console.WriteLine(torrent.InfoHash.ToString());
} catch (Exception e) {
Console.Write("Couldn't decode {0}: ", file);
Console.WriteLine(e.Message);
continue;
}
// 当任何预处理完成后,您将创建一个TorrentManager,然后在引擎上创建它.
TorrentManager manager = new TorrentManager(torrent, downloadsPath, torrentDefaults);
if (fastResume.ContainsKey(torrent.InfoHash.ToHex()))
{
manager.LoadFastResume(new FastResume((BEncodedDictionary)fastResume[torrent.InfoHash.ToHex()]));
}
await engine.Register(manager);
// 将 TorrentManager 存储在列表中,方便以后访问它.
torrents.Add(manager);
manager.PeersFound += 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("没有在目录中找到 torrent 文件");
Console.WriteLine("退出...");
engine.Dispose();
return;
}
// 遍历存储在列表中的每个TorrentManager,在TorrentManager中连接到事件并启动引擎。
foreach (TorrentManager manager in torrents)
{
manager.PeerConnected += (o, e) => {
lock (listener)
listener.WriteLine($"连接成功: {e.Peer.Uri}");
};
manager.ConnectionAttemptFailed += (o, e) => {
lock (listener)
listener.WriteLine(
$"连接失败: {e.Peer.ConnectionUri} - {e.Reason} - {e.Peer.AllowedEncryption}");
};
// 每次散列一个片段,就会触发这个.
manager.PieceHashed += delegate(object o, PieceHashedEventArgs e) {
lock (listener)
listener.WriteLine($"散列的片段: {e.PieceIndex} - {(e.HashPassed ? "Pass" : "Fail")}");
};
// 每当状态改变时触发 (Stopped -> Seeding -> Downloading -> Hashing)
manager.TorrentStateChanged += delegate(object o, TorrentStateChangedEventArgs e) {
lock (listener)
listener.WriteLine($"旧状态: {e.OldState} 新状态: {e.NewState}");
};
// 每当跟踪器的状态改变时,就会触发.
manager.TrackerManager.AnnounceComplete += (sender, e) => {
listener.WriteLine($"{e.Successful}: {e.Tracker}");
};
// 开始运行TorrentManager.
// 然后文件将散列(如果需要)并开始下载/发送.
await manager.StartAsync();
}
// Enable automatic port forwarding. The engine will use Mono.Nat to search for
// uPnP or NAT-PMP compatible devices and then issue port forwarding requests to it.
await engine.EnablePortForwardingAsync(CancellationToken.None);
// This is how to access the list of port mappings, and to see if they were
// successful, pending or failed. If they failed it could be because the public port
// is already in use by another computer on your network.
foreach (var successfulMapping in engine.PortMappings.Created)
{
}
foreach (var failedMapping in engine.PortMappings.Failed)
{
}
foreach (var failedMapping in engine.PortMappings.Pending)
{
}
// 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(m => m.State != TorrentState.Stopped);
AppendFormat(sb, "总下载速度: {0:0.00}kB/sec", engine.TotalDownloadSpeed / 1024.0);
AppendFormat(sb, "总上传速度: {0:0.00}kB/sec", engine.TotalUploadSpeed / 1024.0);
AppendFormat(sb, "磁盘读速度: {0:0.00} kB/s", engine.DiskManager.ReadRate / 1024.0);
AppendFormat(sb, "磁盘写速度: {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)
{
AppendSeparator(sb);
AppendFormat(sb, "状态: {0}", manager.State);
AppendFormat(sb, "名称: {0}", manager.Torrent == null ? "MetaDataMode" : manager.Torrent.Name);
AppendFormat(sb, "进度: {0:0.00}", manager.Progress);
AppendFormat(sb, "下载速度: {0:0.00} kB/s", manager.Monitor.DownloadSpeed / 1024.0);
AppendFormat(sb, "上传速度: {0:0.00} kB/s", manager.Monitor.UploadSpeed / 1024.0);
AppendFormat(sb, "下载量: {0:0.00} MB", manager.Monitor.DataBytesDownloaded / (1024.0 * 1024.0));
AppendFormat(sb, "上传量: {0:0.00} MB", manager.Monitor.DataBytesUploaded / (1024.0 * 1024.0));
AppendFormat(sb, "Tracker Status");
foreach (var tier in manager.TrackerManager.Tiers)
{
AppendFormat(sb, $"\t{tier.ActiveTracker} : Announce Succeeded: {tier.LastAnnounceSucceeded}. Scrape Succeeded: {tier.LastScrapSucceeded}.");
}
if (manager.PieceManager != null)
{
AppendFormat(sb, "当前请求: {0}", await manager.PieceManager.CurrentRequestCountAsync());
}
foreach (PeerId p in await manager.GetPeersAsync())
{
AppendFormat(sb, "\t{2} - {1:0.00}/{3:0.00}kB/sec - {0}", p.Uri,
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);
}
Thread.Sleep(500);
}
// 停止搜索与uPnP或NAT-PMP兼容的设备,并删除所有已创建的映射.
await engine.DisablePortForwardingAsync(CancellationToken.None);
}
public AnnounceTask(DhtEngine engine, NodeId infoHash, int port)
{
_engine = engine;
_infoHash = infoHash;
_port = port;
}
public ReplaceNodeTask(DhtEngine engine, Bucket bucket, Node newNode)
{
this.engine = engine;
this.bucket = bucket;
this.newNode = newNode;
}
public InitialiseTask(DhtEngine engine, IEnumerable <Node> nodes)
{
this.engine = engine;
initialNodes = new List <Node> (nodes);
initializationComplete = new TaskCompletionSource <object> ();
}
void Start()
{
//Start Torrent Engine
torrents = new List <TorrentManager>();
messages = new List <SimpleMessage>();
//Torrents to remove
seedingLimitTorrents = new List <Tuple <DateTime, TorrentManager> >();
Console.WriteLine("simpletorrent: version {0}", VERSION);
Console.WriteLine("simpletorrent: Reading configuration file (simple.cfg)...");
config = new SimpleConfiguration("simple.cfg");
string basePath = Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location);
Console.WriteLine("simpletorrent: ApplicationPath (derived) {0}", basePath);
if (config.HasValue("Debug"))
{
debugWriter = new DebugWriter(true);
Console.WriteLine("simpletorrent: Debugging Enabled!");
}
else
{
debugWriter = new DebugWriter(false);
}
PlatformID os = Environment.OSVersion.Platform;
if (os == PlatformID.MacOSX)
{
Console.WriteLine("simpletorrent: We think we're on MacOSX");
simpleOperatingSystem = SimpleTorrentOperatingMode.MacOSX;
}
else if (os == PlatformID.Unix)
{
Console.WriteLine("simpletorrent: We think we're on *nix");
simpleOperatingSystem = SimpleTorrentOperatingMode.StarNix;
}
else
{
Console.WriteLine("simpletorrent: We think we're on Windows");
simpleOperatingSystem = SimpleTorrentOperatingMode.Windows;
}
torrentsPath = Path.GetFullPath(config.GetValue("TorrentPath", Path.Combine(basePath, "Torrents")));
downloadsPath = Path.GetFullPath(config.GetValue("DownloadPath", Path.Combine(basePath, "Downloads")));
sslCertificatePath = Path.GetFullPath(config.GetValue("SslCertificatePath", Path.Combine(basePath, "simple.pfx")));
useECDSA = config.HasValue("SslCertificateECDSA");
fastResumeFile = Path.Combine(torrentsPath, "fastresume.data");
dhtNodeFile = Path.Combine(torrentsPath, "dht.data");
requireProtocolEncryption = config.HasValue("RequireProtocolEncryption");
sessionLimit = config.GetValueInt("SessionLimit", 20);
seedingLimit = config.GetValueInt("SeedingLimit");
// If the SavePath does not exist, we want to create it.
if (!Directory.Exists(downloadsPath))
{
Directory.CreateDirectory(downloadsPath);
}
// If the torrentsPath does not exist, we want to create it
if (!Directory.Exists(torrentsPath))
{
Directory.CreateDirectory(torrentsPath);
}
downloadsPathDrive = null;
string myRootPath = Path.GetPathRoot(downloadsPath).ToLower();
if (simpleOperatingSystem == SimpleTorrentOperatingMode.StarNix)
{
System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.EnableRaisingEvents = false;
proc.StartInfo.FileName = "bash";
proc.StartInfo.Arguments = "-c \"df -h " + downloadsPath + " | awk '{print $6}' | tail -1\"";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardOutput = true;
proc.Start();
string output = proc.StandardOutput.ReadToEnd().Trim().ToLower();
proc.WaitForExit();
if (proc.ExitCode == 0)
{
myRootPath = output;
debugWriter.WriteLine("*nix override (bash -c 'df -h <path>') - \"" + output + "\"");
}
}
else if (simpleOperatingSystem == SimpleTorrentOperatingMode.MacOSX)
{
System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.EnableRaisingEvents = false;
proc.StartInfo.FileName = "bash";
proc.StartInfo.Arguments = "-c \"df -h " + downloadsPath + " | awk '{print $9}' | tail -1\"";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardOutput = true;
proc.Start();
string output = proc.StandardOutput.ReadToEnd().Trim().ToLower();
proc.WaitForExit();
if (proc.ExitCode == 0)
{
myRootPath = output;
debugWriter.WriteLine("*nix override (bash -c 'df -h <path>') - \"" + output + "\"");
}
}
foreach (var drive in DriveInfo.GetDrives())
{
debugWriter.WriteLine("Enemerating Drives - " + drive.RootDirectory.FullName.ToString());
if (drive.RootDirectory.FullName.ToLower()
== myRootPath)
{
downloadsPathDrive = drive;
break;
}
}
Console.WriteLine("simpletorrent: TorrentPath {0}", torrentsPath);
Console.WriteLine("simpletorrent: DownloadPath {0}", downloadsPath);
Console.WriteLine("simpletorrent: DownloadRootPath (derived) {0}", downloadsPathDrive);
Console.WriteLine("simpletorrent: SslCertificatePath {0}", sslCertificatePath);
Console.WriteLine("simpletorrent: SslCertificateECDSA {0}", useECDSA ? "Yes" : "No");
Console.WriteLine("simpletorrent: RequireProtocolEncryption {0}", requireProtocolEncryption ? "Yes" : "No");
Console.WriteLine("simpletorrent: SessionLimit {0}", sessionLimit);
Console.WriteLine("simpletorrent: SeedingLimit {0}", seedingLimit.HasValue ? seedingLimit.Value.ToString() : "No");
int?torrentListenPort = config.GetValueInt("TorrentListenPort");
if (!torrentListenPort.HasValue)
{
throw new SimpleTorrentException("Configuration does not have a proper 'TorrentListenPort' value defined", null);
}
Console.WriteLine("simpletorrent: TorrentListenPort {0}", torrentListenPort);
externalBanList = new List <string>();
externalBanLists = new Dictionary <string, BanList>();
foreach (var i in config.GetValues("ExternalBanList"))
{
Console.WriteLine("simpletorrent: ExternalBanList {0}", i);
externalBanList.Add(i);
}
externalBanListLimit = config.GetValueInt("ExternalBanListLimit");
if (externalBanListLimit.HasValue)
{
Console.WriteLine("simpletorrent: ExternalBanListLimit {0}", externalBanListLimit.Value);
}
EngineSettings engineSettings = new EngineSettings(downloadsPath, torrentListenPort.Value);
engineSettings.PreferEncryption = true;
engineSettings.AllowedEncryption = requireProtocolEncryption ? EncryptionTypes.RC4Full : EncryptionTypes.All;
engineSettings.GlobalMaxConnections = 500;
torrentDefaults = new TorrentSettings(4, 500, 0, 0);
engine = new ClientEngine(engineSettings);
engine.ChangeListenEndpoint(new IPEndPoint(IPAddress.Any, torrentListenPort.Value));
byte[] nodes = null;
try
{
nodes = File.ReadAllBytes(dhtNodeFile);
}
catch
{
Console.WriteLine("simpletorrent: No existing DHT nodes could be loaded");
}
dhtListner = new DhtListener(new IPEndPoint(IPAddress.Any, torrentListenPort.Value));
DhtEngine dht = new DhtEngine(dhtListner);
engine.RegisterDht(dht);
dhtListner.Start();
engine.DhtEngine.Start(nodes);
foreach (var torrent in Directory.GetFiles(torrentsPath, "*.torrent"))
{
Torrent t = Torrent.Load(torrent);
if (engine.Torrents.Where(i => i.InfoHash == t.InfoHash).Count() == 0)
{
TorrentManager tm = new TorrentManager(t, downloadsPath, torrentDefaults);
engine.Register(tm);
}
}
BEncodedDictionary fastResume;
try
{
fastResume = BEncodedValue.Decode <BEncodedDictionary>(File.ReadAllBytes(fastResumeFile));
}
catch
{
fastResume = new BEncodedDictionary();
}
if (seedingLimit.HasValue)
{
Console.WriteLine("simpletorrent: Starting seeding limits watchdog timer...");
seedingLimitTimer = new System.Timers.Timer();
seedingLimitTimer.AutoReset = true;
seedingLimitTimer.Interval = 60 * 1000;
seedingLimitTimer.Elapsed += (s, e) =>
{
lock (seedingLimitTorrents)
{
var torrentsToRemove = seedingLimitTorrents.Where(a => (DateTime.Now - a.Item1).TotalSeconds >= seedingLimit).ToArray();
foreach (var i in torrentsToRemove)
{
try
{
seedingLimitTorrents.Remove(i);
if (i != null && i.Item2.State == TorrentState.Seeding)
{
Console.WriteLine("simpletorrent: Automatically removing \"{0}\"...",
i.Item2.Torrent.Name);
torrentInformation[i.Item2.InfoHash.ToHex()].ToRemove = "delete-torrent";
i.Item2.Stop();
}
}
catch
{
}
}
}
};
seedingLimitTimer.Start();
}
//Ban List System
UpdateBanLists();
engine.ConnectionManager.BanPeer += (s, e) =>
{
bool ban = false;
lock (externalBanLists)
{
foreach (var i in externalBanLists)
{
ban |= i.Value.IsBanned(IPAddress.Parse(e.Peer.ConnectionUri.Host));
}
}
e.BanPeer = ban;
if (e.BanPeer)
{
debugWriter.WriteLine(string.Format("Connection from {0} denied.", e.Peer.ConnectionUri.Host));
}
else
{
debugWriter.WriteLine(string.Format("Connection from {0} allowed.", e.Peer.ConnectionUri.Host));
}
};
if (externalBanListLimit.HasValue)
{
Console.WriteLine("simpletorrent: Starting external ban list update timer...");
externalBanListLimitTimer = new System.Timers.Timer();
externalBanListLimitTimer.AutoReset = true;
externalBanListLimitTimer.Interval = 1000 * externalBanListLimit.Value;
externalBanListLimitTimer.Elapsed += (s, e) =>
{
UpdateBanLists();
};
externalBanListLimitTimer.Start();
}
using (var httpServer = new HttpServer(new HttpRequestProvider()))
{
Console.WriteLine("simpletorrent: Starting HTTP(S) server...");
bool listeningOne = false;
Console.WriteLine("simpletorrent: Creating session manager...");
httpServer.Use(new SessionHandler <SimpleTorrentSession>(() =>
new SimpleTorrentSession(), sessionLimit));
foreach (var ip in config.GetValues("Listen"))
{
try
{
TcpListener tl = getTcpListener(ip);
httpServer.Use(new TcpListenerAdapter(tl));
Console.WriteLine("simpletorrent: Listening for HTTP on {0}...", tl.LocalEndpoint);
listeningOne = true;
}
catch (Exception ex)
{
Console.WriteLine("simpletorrent: ({0}) " + ex.Message, ip);
}
}
System.Security.Cryptography.X509Certificates.X509Certificate2 cert = null;
if (config.HasValue("ListenSsl"))
{
cert = SSLSelfSigned.GetCertOrGenerate(sslCertificatePath, useECDSA);
}
foreach (var ip in config.GetValues("ListenSsl"))
{
try
{
TcpListener tl = getTcpListener(ip);
//Mono does not support TLS 1.1 or 1.2 -->
#if MONO
httpServer.Use(new ListenerSslDecorator(new TcpListenerAdapter(tl), cert, System.Security.Authentication.SslProtocols.Ssl3 |
System.Security.Authentication.SslProtocols.Tls));
#else
//Force new systems to use TLS 1.1 or 1.2
httpServer.Use(new ListenerSslDecorator(new TcpListenerAdapter(tl), cert, System.Security.Authentication.SslProtocols.Tls11
| System.Security.Authentication.SslProtocols.Tls12));
#endif
Console.WriteLine("simpletorrent: Listening for HTTPS on {0}...", tl.LocalEndpoint);
listeningOne = true;
}
catch (Exception ex)
{
Console.WriteLine("simpletorrent: ({0}) " + ex.Message, ip);
}
}
if (!listeningOne)
{
throw new SimpleTorrentException("simpletorrent was unable to bind to a single port.");
}
Console.WriteLine("simpletorrent: Running...");
httpServer.Use((context, next) =>
{
context.Response = ProcessRequest(context);
return(Task.Factory.GetCompleted());
});
foreach (var tm in engine.Torrents)
{
SetupTorrent(tm);
}
httpServer.Start();
Console.ReadLine();
}
}
public SendQueryTask(DhtEngine engine, QueryMessage query, Node node)
: this(engine, query, node, 3)
{
}
public InitialiseTask(DhtEngine engine)
{
Initialise(engine, null);
}
async Task UpdateSettingsAsync(EngineSettings oldSettings, EngineSettings newSettings)
{
await DiskManager.UpdateSettingsAsync(newSettings);
if (newSettings.DiskCacheBytes != oldSettings.DiskCacheBytes)
{
await Task.WhenAll(Torrents.Select(t => DiskManager.FlushAsync(t)));
}
ConnectionManager.Settings = newSettings;
if (oldSettings.UsePartialFiles != newSettings.UsePartialFiles)
{
foreach (var manager in Torrents)
{
await manager.UpdateUsePartialFiles(newSettings.UsePartialFiles);
}
}
if (oldSettings.AllowPortForwarding != newSettings.AllowPortForwarding)
{
if (newSettings.AllowPortForwarding)
{
await PortForwarder.StartAsync(CancellationToken.None);
}
else
{
await PortForwarder.StopAsync(removeExistingMappings : true, CancellationToken.None);
}
}
if (oldSettings.DhtEndPoint != newSettings.DhtEndPoint)
{
if (DhtListener.LocalEndPoint != null)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Udp, DhtListener.LocalEndPoint.Port), CancellationToken.None);
}
DhtListener.Stop();
if (newSettings.DhtEndPoint == null)
{
DhtListener = new NullDhtListener();
await RegisterDht(new NullDhtEngine());
}
else
{
DhtListener = Factories.CreateDhtListener(Settings.DhtEndPoint) ?? new NullDhtListener();
if (IsRunning)
{
DhtListener.Start();
}
if (oldSettings.DhtEndPoint == null)
{
var dht = Factories.CreateDht();
await dht.SetListenerAsync(DhtListener);
await RegisterDht(dht);
}
else
{
await DhtEngine.SetListenerAsync(DhtListener);
}
}
if (DhtListener.LocalEndPoint != null)
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Udp, DhtListener.LocalEndPoint.Port));
}
}
if (!Equals(oldSettings.ListenEndPoint, newSettings.ListenEndPoint))
{
if (PeerListener.LocalEndPoint != null)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Tcp, PeerListener.LocalEndPoint.Port), CancellationToken.None);
}
PeerListener.Stop();
PeerListener = (newSettings.ListenEndPoint == null ? null : Factories.CreatePeerConnectionListener(newSettings.ListenEndPoint)) ?? new NullPeerListener();
listenManager.SetListener(PeerListener);
if (IsRunning)
{
PeerListener.Start();
// The settings could say to listen at port 0, which means 'choose one dynamically'
if (PeerListener.LocalEndPoint != null)
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Tcp, PeerListener.LocalEndPoint.Port));
}
}
}
if (oldSettings.AllowLocalPeerDiscovery != newSettings.AllowLocalPeerDiscovery)
{
RegisterLocalPeerDiscovery(!newSettings.AllowLocalPeerDiscovery ? null : Factories.CreateLocalPeerDiscovery());
}
}
public virtual void Handle(DhtEngine engine, Node node)
{
node.Seen();
}
public override async Task HandleAsync(DhtEngine engine, Node node)
{
await base.HandleAsync(engine, node);
await engine.AddAsync(Node.FromCompactNode(Nodes.TextBytes));
}
public GetPeersTask(DhtEngine engine, InfoHash infohash)
: this(engine, new NodeId(infohash))
{
iInfoHash = infohash;
}
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))
{
}
// 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 (System.Net.BitTorrent.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));
System.Net.BitTorrent.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())
{
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);
}
}
public InitialiseTask(DhtEngine engine, byte[] initialNodes)
{
Initialise(engine, initialNodes == null ? null : Node.FromCompactNode(initialNodes));
}
public GetPeersTask(DhtEngine engine, NodeId infohash)
{
Engine = engine;
InfoHash = infohash;
FoundPeers = new HashSet <PeerInfo> ();
}
public AnnounceTask(DhtEngine engine, NodeId infoHash, int port)
{
this.engine = engine;
this.infoHash = infoHash;
this.port = port;
}
private void DownloaderWorker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
if (e.Argument == null)
{
return;
}
basePath = Environment.CurrentDirectory;
dhtNodeFile = System.IO.Path.Combine(basePath, "DhtNodes");
downloadsPath = System.IO.Path.Combine(basePath, "Downloads");
torrentsPath = System.IO.Path.Combine(basePath, "Torrents");
fastResumeFile = System.IO.Path.Combine(torrentsPath, "fastresume.data");
torrents = new List <TorrentManager>(); // The list where all the torrentManagers will be stored that the engine gives us
listener = new Top10Listener(10);
string torrentpath = e.Argument.ToString();
int port = 6969;
Torrent torrent = null;
// 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();
}
// Load the .torrent from the file into a Torrent instance
// You can use this to do preprocessing should you need to
torrent = Torrent.Load(torrentpath);
// 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);
// Every time a piece is hashed, this is fired.
manager.PieceHashed += delegate(object o, PieceHashedEventArgs ec)
{
lock (listener)
listener.WriteLine(string.Format("Piece Hashed: {0} - {1}", ec.PieceIndex, ec.HashPassed ? "Pass" : "Fail"));
};
// Every time the state changes (Stopped -> Seeding -> Downloading -> Hashing) this is fired
manager.TorrentStateChanged += delegate(object o, TorrentStateChangedEventArgs ev)
{
lock (listener)
listener.WriteLine("OldState: " + ev.OldState.ToString() + " NewState: " + ev.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.
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);
downloadspeed = (engine.TotalDownloadSpeed / 1024.0).ToString();
//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);
//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);
//progress = manager.Progress.ToString();
//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())
// 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);
//}
DownloaderWorker.ReportProgress(Convert.ToInt32(manager.Progress), manager.State.ToString());
System.Threading.Thread.Sleep(500);
}
}
catch (Exception ex)
{
}
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
throw new MessageException(ErrorCode, Message);
}
public virtual void Handle(DhtEngine engine, Node node)
{
node.Seen();
}
public AnnounceTask(DhtEngine engine, NodeId infoHash, int port)
{
this.engine = engine;
this.infoHash = infoHash;
this.port = port;
}
public RefreshBucketTask(DhtEngine engine, Bucket bucket)
{
this.engine = engine;
this.bucket = bucket;
}
public override async Task HandleAsync(DhtEngine engine, Node node)
{
await base.HandleAsync(engine, node);
}
public InitialiseTask(DhtEngine engine, IEnumerable <Node> nodes)
{
this.engine = engine;
initialNodes = new List <Node> (nodes);
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
engine.Add(Node.FromCompactNode(Nodes.TextBytes));
}
async Task UpdateSettingsAsync(EngineSettings oldSettings, EngineSettings newSettings)
{
await DiskManager.UpdateSettingsAsync(newSettings);
if (newSettings.DiskCacheBytes != oldSettings.DiskCacheBytes)
{
await Task.WhenAll(Torrents.Select(t => DiskManager.FlushAsync(t)));
}
ConnectionManager.Settings = newSettings;
if (oldSettings.AllowPortForwarding != newSettings.AllowPortForwarding)
{
if (newSettings.AllowPortForwarding)
{
await PortForwarder.StartAsync(CancellationToken.None);
}
else
{
await PortForwarder.StopAsync(removeExistingMappings : true, CancellationToken.None);
}
}
if (oldSettings.DhtPort != newSettings.DhtPort)
{
if (DhtListener.EndPoint != null)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Udp, DhtListener.EndPoint.Port), CancellationToken.None);
}
else if (oldSettings.DhtPort > 0)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Udp, oldSettings.DhtPort), CancellationToken.None);
}
DhtListener = DhtListenerFactory.CreateUdp(newSettings.DhtPort);
if (oldSettings.DhtPort == -1)
{
await RegisterDht(DhtEngineFactory.Create(DhtListener));
}
else if (newSettings.DhtPort == -1)
{
await RegisterDht(new NullDhtEngine());
}
DhtEngine.SetListener(DhtListener);
if (IsRunning)
{
DhtListener.Start();
if (Listener is ISocketListener newDhtListener)
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Udp, newDhtListener.EndPoint.Port));
}
else
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Udp, newSettings.DhtPort));
}
}
}
if (oldSettings.ListenPort != newSettings.ListenPort)
{
if (Listener is ISocketListener oldListener)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Tcp, oldListener.EndPoint.Port), CancellationToken.None);
}
else if (oldSettings.ListenPort > 0)
{
await PortForwarder.UnregisterMappingAsync(new Mapping (Protocol.Tcp, oldSettings.ListenPort), CancellationToken.None);
}
Listener.Stop();
Listener = PeerListenerFactory.CreateTcp(newSettings.ListenPort);
listenManager.SetListener(Listener);
if (IsRunning)
{
Listener.Start();
// The settings could say to listen at port 0, which means 'choose one dynamically'
if (Listener is ISocketListener peerListener)
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Tcp, peerListener.EndPoint.Port));
}
else
{
await PortForwarder.RegisterMappingAsync(new Mapping (Protocol.Tcp, newSettings.ListenPort));
}
}
}
// This depends on the Listener binding to it's local port.
var localPort = newSettings.ListenPort;
if (Listener is ISocketListener newListener)
{
localPort = newListener.EndPoint.Port;
}
if ((oldSettings.AllowLocalPeerDiscovery != newSettings.AllowLocalPeerDiscovery) ||
(oldSettings.ListenPort != newSettings.ListenPort))
{
RegisterLocalPeerDiscovery(newSettings.AllowLocalPeerDiscovery && localPort > 0 ? new LocalPeerDiscovery(localPort) : null);
}
}
public InitialiseTask(DhtEngine engine, byte[] initialNodes)
{
Initialise(engine, initialNodes == null ? null : Node.FromCompactNode(initialNodes));
}
public GetPeersTask(DhtEngine engine, NodeId infohash)
{
Engine = engine;
InfoHash = infohash;
}
public ReplaceNodeTask(DhtEngine engine, Bucket bucket, Node newNode)
{
_engine = engine;
_bucket = bucket;
_newNode = newNode;
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
engine.Add(Node.FromCompactNode(Nodes.TextBytes));
}
public override void Handle(DhtEngine engine, Node node)
{
base.Handle(engine, node);
node.Token = Token;
if (Nodes != null)
engine.Add(Node.FromCompactNode(Nodes));
}
public GetPeersTask(DhtEngine engine, InfoHash infohash)
: this(engine, new NodeId(infohash))
{
}
public ReplaceNodeTask(DhtEngine engine, Bucket bucket, Node newNode)
{
this.engine = engine;
this.bucket = bucket;
this.newNode = newNode;
}
public InitialiseTask(DhtEngine engine)
{
Initialise(engine, null);
}
private static async Task 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))
{
}
// 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 {
SavePath = downloadsPath,
ListenPort = port
};
//engineSettings.GlobalMaxUploadSpeed = 30 * 1024;
//engineSettings.GlobalMaxDownloadSpeed = 100 * 1024;
//engineSettings.MaxReadRate = 1 * 1024 * 1024;
// Create the default settings which a torrent will have.
TorrentSettings torrentDefaults = new TorrentSettings();
// Create an instance of the engine.
engine = new ClientEngine(engineSettings);
byte[] nodes = Array.Empty <byte> ();
try {
if (File.Exists(dhtNodeFile))
{
nodes = File.ReadAllBytes(dhtNodeFile);
}
} catch {
Console.WriteLine("No existing dht nodes could be loaded");
}
DhtEngine dht = new DhtEngine(new IPEndPoint(IPAddress.Any, port));
await engine.RegisterDhtAsync(dht);
// This starts the Dht engine but does not wait for the full initialization to
// complete. This is because it can take up to 2 minutes to bootstrap, depending
// on how many nodes time out when they are contacted.
await engine.DhtEngine.StartAsync(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 = new BEncodedDictionary();
try {
if (File.Exists(fastResumeFile))
{
fastResume = BEncodedValue.Decode <BEncodedDictionary> (File.ReadAllBytes(fastResumeFile));
}
} catch {
}
// 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", StringComparison.OrdinalIgnoreCase))
{
try {
// Load the .torrent from the file into a Torrent instance
// You can use this to do preprocessing should you need to
torrent = await Torrent.LoadAsync(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()]));
}
await engine.Register(manager);
// Store the torrent manager in our list so we can access it later
torrents.Add(manager);
manager.PeersFound += 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)
{
manager.PeerConnected += (o, e) => {
lock (listener)
listener.WriteLine($"Connection succeeded: {e.Peer.Uri}");
};
manager.ConnectionAttemptFailed += (o, e) => {
lock (listener)
listener.WriteLine(
$"Connection failed: {e.Peer.ConnectionUri} - {e.Reason} - {e.Peer.AllowedEncryption}");
};
// Every time a piece is hashed, this is fired.
manager.PieceHashed += delegate(object o, PieceHashedEventArgs e) {
lock (listener)
listener.WriteLine($"Piece Hashed: {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($"OldState: {e.OldState} NewState: {e.NewState}");
};
// Every time the tracker's state changes, this is fired
manager.TrackerManager.AnnounceComplete += (sender, e) => {
listener.WriteLine($"{e.Successful}: {e.Tracker}");
};
// Start the torrentmanager. The file will then hash (if required) and begin downloading/seeding
await manager.StartAsync();
}
// 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(m => 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)
{
AppendSeparator(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));
AppendFormat(sb, "Tracker Status");
foreach (var tier in manager.TrackerManager.Tiers)
{
AppendFormat(sb, $"\t{tier.ActiveTracker} : Announce Succeeded: {tier.LastAnnounceSucceeded}. Scrape Succeeded: {tier.LastScrapSucceeded}.");
}
if (manager.PieceManager != null)
{
AppendFormat(sb, "Current Requests: {0}", await manager.PieceManager.CurrentRequestCountAsync());
}
foreach (PeerId p in await manager.GetPeersAsync())
{
AppendFormat(sb, "\t{2} - {1:0.00}/{3:0.00}kB/sec - {0}", p.Uri,
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);
}
Thread.Sleep(500);
}
}
public AnnounceTask(DhtEngine engine, NodeId infoHash, int port)
{
_engine = engine;
_infoHash = infoHash;
_port = port;
}
public SendQueryTask(DhtEngine engine, QueryMessage query, Node node)
: this(engine, query, node, 3)
{
}
public GetPeersTask(DhtEngine engine, byte[] infohash)
: this(engine, new NodeId(infohash))
{
}