Beispiel #1
0
        public virtual void SendPCPHelo()
        {
            Logger.Debug("Handshake Started");
            var helo = new AtomCollection();

            helo.SetHeloAgent(PeerCast.AgentName);
            helo.SetHeloSessionID(PeerCast.SessionID);
            if (PeerCast.IsFirewalled.HasValue)
            {
                if (PeerCast.IsFirewalled.Value)
                {
                    //Do nothing
                }
                else
                {
                    var listener = PeerCast.FindListener(
                        RemoteEndPoint.Address,
                        OutputStreamType.Relay | OutputStreamType.Metadata);
                    helo.SetHeloPort(listener.LocalEndPoint.Port);
                }
            }
            else
            {
                var listener = PeerCast.FindListener(
                    RemoteEndPoint.Address,
                    OutputStreamType.Relay | OutputStreamType.Metadata);
                if (listener != null)
                {
                    helo.SetHeloPing(listener.LocalEndPoint.Port);
                }
            }
            helo.SetHeloVersion(PCP_VERSION);
            Send(new Atom(Atom.PCP_HELO, helo));
        }
        private Atom CreatePCPHelo()
        {
            var helo = new AtomCollection();

            helo.SetHeloAgent(PeerCast.AgentName);
            helo.SetHeloSessionID(PeerCast.SessionID);
            switch (PeerCast.GetPortStatus(Channel.NetworkAddressFamily))
            {
            case PortStatus.Open:
            {
                var listener = PeerCast.FindListener(
                    connection.RemoteEndPoint.Address,
                    OutputStreamType.Relay | OutputStreamType.Metadata);
                helo.SetHeloPort(listener.LocalEndPoint.Port);
            }
            break;

            case PortStatus.Firewalled:
                break;

            case PortStatus.Unknown:
            {
                var listener = PeerCast.FindListener(
                    connection.RemoteEndPoint.Address,
                    OutputStreamType.Relay | OutputStreamType.Metadata);
                if (listener != null)
                {
                    helo.SetHeloPing(listener.LocalEndPoint.Port);
                }
            }
            break;
            }
            PCPVersion.SetHeloVersion(helo);
            return(new Atom(Atom.PCP_HELO, helo));
        }
        private bool SendPCPHelo()
        {
            var helo = new AtomCollection();

            helo.SetHeloAgent(PeerCast.AgentName);
            helo.SetHeloSessionID(PeerCast.SessionID);
            if (PeerCast.IsFirewalled.HasValue)
            {
                if (PeerCast.IsFirewalled.Value)
                {
                    //Do nothing
                }
                else
                {
                    var listener = PeerCast.FindListener(
                        RemoteEndPoint.Address,
                        OutputStreamType.Relay | OutputStreamType.Metadata);
                    helo.SetHeloPort(listener.LocalEndPoint.Port);
                }
            }
            else
            {
                var listener = PeerCast.FindListener(
                    RemoteEndPoint.Address,
                    OutputStreamType.Relay | OutputStreamType.Metadata);
                if (listener != null)
                {
                    helo.SetHeloPing(listener.LocalEndPoint.Port);
                }
            }
            PCPVersion.SetHeloVersion(helo);
            try {
                connection.Send(stream => {
                    AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
                });
            }
            catch (IOException e) {
                Logger.Info(e);
                Stop(StopReason.ConnectionError);
                return(false);
            }
            return(true);
        }
 private bool SendPCPHelo()
 {
     var helo = new AtomCollection();
       helo.SetHeloAgent(PeerCast.AgentName);
       helo.SetHeloSessionID(PeerCast.SessionID);
       if (PeerCast.IsFirewalled.HasValue) {
     if (PeerCast.IsFirewalled.Value) {
       //Do nothing
     }
     else {
       var listener = PeerCast.FindListener(
     RemoteEndPoint.Address,
     OutputStreamType.Relay | OutputStreamType.Metadata);
       helo.SetHeloPort(listener.LocalEndPoint.Port);
     }
       }
       else {
     var listener = PeerCast.FindListener(
       RemoteEndPoint.Address,
       OutputStreamType.Relay | OutputStreamType.Metadata);
     if (listener!=null) {
       helo.SetHeloPing(listener.LocalEndPoint.Port);
     }
       }
       PCPVersion.SetHeloVersion(helo);
       try {
     connection.Send(stream => {
       AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
     });
       }
       catch (IOException e) {
     Logger.Info(e);
     Stop(StopReason.ConnectionError);
     return false;
       }
       return true;
 }
        private void AnnounceThreadProc()
        {
            Logger.Debug("Thread started");
            var host = Uri.DnsSafeHost;
            var port = Uri.Port;

            if (port < 0)
            {
                port = DefaultPort;
            }
            while (!IsStopped)
            {
                int next_update = Environment.TickCount;
                posts.Clear();
                try {
                    Logger.Debug("Connecting to YP");
                    AnnouncingStatus = AnnouncingStatus.Connecting;
                    using (var client = new TcpClient(host, port)) {
                        using (var stream = client.GetStream()) {
                            AtomWriter.Write(stream, new Atom(new ID4("pcp\n"), (int)1));
                            var helo = new AtomCollection();
                            Logger.Debug("Sending Handshake");
                            helo.SetHeloAgent(PeerCast.AgentName);
                            helo.SetHeloVersion(1218);
                            helo.SetHeloSessionID(PeerCast.SessionID);
                            helo.SetHeloBCID(PeerCast.BroadcastID);
                            if (PeerCast.IsFirewalled.HasValue)
                            {
                                if (PeerCast.IsFirewalled.Value)
                                {
                                    //Do nothing
                                }
                                else
                                {
                                    var listener = PeerCast.FindListener(
                                        ((IPEndPoint)client.Client.RemoteEndPoint).Address,
                                        OutputStreamType.Relay | OutputStreamType.Metadata);
                                    if (listener != null)
                                    {
                                        helo.SetHeloPort(listener.LocalEndPoint.Port);
                                    }
                                }
                            }
                            else
                            {
                                var listener = PeerCast.FindListener(
                                    ((IPEndPoint)client.Client.RemoteEndPoint).Address,
                                    OutputStreamType.Relay | OutputStreamType.Metadata);
                                if (listener != null)
                                {
                                    helo.SetHeloPing(listener.LocalEndPoint.Port);
                                }
                            }
                            AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
                            while (!IsStopped)
                            {
                                var atom = AtomReader.Read(stream);
                                if (atom.Name == Atom.PCP_OLEH)
                                {
                                    OnPCPOleh(atom);
                                    break;
                                }
                                else if (atom.Name == Atom.PCP_QUIT)
                                {
                                    Logger.Debug("Handshake aborted by PCP_QUIT ({0})", atom.GetInt32());
                                    throw new QuitException();
                                }
                                if (restartEvent.WaitOne(10))
                                {
                                    throw new RestartException();
                                }
                            }
                            Logger.Debug("Handshake succeeded");
                            AnnouncingStatus = AnnouncingStatus.Connected;
                            while (!IsStopped)
                            {
                                if (next_update - Environment.TickCount <= 0)
                                {
                                    Logger.Debug("Sending channel info");
                                    lock (announcingChannels) {
                                        foreach (var announcing in announcingChannels)
                                        {
                                            PostChannelBcst(announcing.Channel, true);
                                        }
                                    }
                                    next_update = Environment.TickCount + 30000;
                                }
                                if (stream.DataAvailable)
                                {
                                    Atom atom = AtomReader.Read(stream);
                                    ProcessAtom(atom);
                                }
                                lock (posts) {
                                    foreach (var atom in posts)
                                    {
                                        AtomWriter.Write(stream, atom);
                                    }
                                    posts.Clear();
                                }
                                if (restartEvent.WaitOne(10))
                                {
                                    throw new RestartException();
                                }
                            }
                            lock (posts) {
                                foreach (var atom in posts)
                                {
                                    AtomWriter.Write(stream, atom);
                                }
                                posts.Clear();
                            }
                            Logger.Debug("Closing connection");
                            AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
                        }
                    }
                }
                catch (RestartException) {
                    Logger.Debug("Connection retrying");
                    AnnouncingStatus = AnnouncingStatus.Connecting;
                }
                catch (BannedException) {
                    AnnouncingStatus = AnnouncingStatus.Error;
                    Logger.Error("Your BCID is banned");
                    break;
                }
                catch (QuitException) {
                    AnnouncingStatus = AnnouncingStatus.Error;
                }
                catch (SocketException e) {
                    AnnouncingStatus = AnnouncingStatus.Error;
                    Logger.Info(e);
                }
                catch (IOException e) {
                    AnnouncingStatus = AnnouncingStatus.Error;
                    Logger.Info(e);
                }
                Logger.Debug("Connection closed");
                if (!IsStopped)
                {
                    restartEvent.WaitOne(10000);
                }
                else
                {
                    AnnouncingStatus = AnnouncingStatus.Idle;
                }
            }
            Logger.Debug("Thread finished");
        }
        public Uri FindTracker(Guid channel_id)
        {
            Logger.Debug("Finding tracker {0} from {1}", channel_id.ToString("N"), Uri);
            var host = Uri.DnsSafeHost;
            var port = Uri.Port;
            Uri res  = null;

            if (port < 0)
            {
                port = DefaultPort;
            }
            try {
                var client  = new TcpClient(host, port);
                var stream  = client.GetStream();
                var request = System.Text.Encoding.UTF8.GetBytes(
                    String.Format("GET /channel/{0} HTTP/1.0\r\n", channel_id.ToString("N")) +
                    "x-peercast-pcp:1\r\n" +
                    "\r\n");
                stream.Write(request, 0, request.Length);
                var response = ReadResponse(stream);
                var md       = System.Text.RegularExpressions.Regex.Match(response, @"^HTTP/1.\d (\d+) ");
                if (md.Success)
                {
                    var status = md.Groups[1].Value;
                    switch (status)
                    {
                    case "503":
                        var helo = new AtomCollection();
                        helo.SetHeloAgent(PeerCast.AgentName);
                        helo.SetHeloVersion(1218);
                        helo.SetHeloSessionID(PeerCast.SessionID);
                        helo.SetHeloPort(0);
                        AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
                        var hosts = ReadHosts(stream, channel_id);
                        res = HostToUri(hosts.FirstOrDefault(h => h.IsTracker), channel_id);
                        break;

                    case "200":
                        //なぜかリレー可能だったのでYP自体をトラッカーとみなしてしまうことにする
                        AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
                        res = Uri;
                        break;

                    default:
                        //エラーだったのでトラッカーのアドレスを貰えず終了
                        break;
                    }
                }
                AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
                client.Close();
            }
            catch (SocketException)
            {
            }
            catch (IOException)
            {
            }
            if (res != null)
            {
                Logger.Debug("Tracker found: {0}", res);
            }
            else
            {
                Logger.Debug("Tracker no found");
            }
            return(res);
        }
 private void AnnounceThreadProc()
 {
     Logger.Debug("Thread started");
       var host = Uri.DnsSafeHost;
       var port = Uri.Port;
       if (port<0) port = PCPVersion.DefaultPort;
       while (!IsStopped) {
     int next_update = Environment.TickCount;
     posts.Clear();
     try {
       Logger.Debug("Connecting to YP");
       AnnouncingStatus = AnnouncingStatus.Connecting;
       using (var client = new TcpClient(host, port)) {
     remoteEndPoint = (IPEndPoint)client.Client.RemoteEndPoint;
     using (var stream = client.GetStream()) {
       AtomWriter.Write(stream, new Atom(new ID4("pcp\n"), (int)1));
       var helo = new AtomCollection();
       Logger.Debug("Sending Handshake");
       helo.SetHeloAgent(PeerCast.AgentName);
       helo.SetHeloVersion(1218);
       helo.SetHeloSessionID(PeerCast.SessionID);
       helo.SetHeloBCID(PeerCast.BroadcastID);
       if (PeerCast.IsFirewalled.HasValue) {
         if (PeerCast.IsFirewalled.Value) {
           //Do nothing
         }
         else {
           var listener = PeerCast.FindListener(
             ((IPEndPoint)client.Client.RemoteEndPoint).Address,
             OutputStreamType.Relay | OutputStreamType.Metadata);
           if (listener!=null) {
             helo.SetHeloPort(listener.LocalEndPoint.Port);
           }
         }
       }
       else {
         var listener = PeerCast.FindListener(
           ((IPEndPoint)client.Client.RemoteEndPoint).Address,
           OutputStreamType.Relay | OutputStreamType.Metadata);
         if (listener!=null) {
           helo.SetHeloPing(listener.LocalEndPoint.Port);
         }
       }
       AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
       while (!IsStopped) {
         var atom = AtomReader.Read(stream);
         if (atom.Name==Atom.PCP_OLEH) {
           OnPCPOleh(atom);
           break;
         }
         else if (atom.Name==Atom.PCP_QUIT) {
           Logger.Debug("Handshake aborted by PCP_QUIT ({0})", atom.GetInt32());
           throw new QuitException();
         }
         if (restartEvent.WaitOne(10)) throw new RestartException();
       }
       Logger.Debug("Handshake succeeded");
       AnnouncingStatus = AnnouncingStatus.Connected;
       while (!IsStopped) {
         if (next_update-Environment.TickCount<=0) {
           Logger.Debug("Sending channel info");
           lock (announcingChannels) {
             foreach (var announcing in announcingChannels) {
               PostChannelBcst(announcing.Channel, true);
             }
           }
           next_update = Environment.TickCount+30000;
         }
         if (stream.DataAvailable) {
           Atom atom = AtomReader.Read(stream);
           ProcessAtom(atom);
         }
         lock (posts) {
           foreach (var atom in posts) {
             AtomWriter.Write(stream, atom);
           }
           posts.Clear();
         }
         if (restartEvent.WaitOne(10)) throw new RestartException();
       }
       lock (posts) {
         foreach (var atom in posts) {
           AtomWriter.Write(stream, atom);
         }
         posts.Clear();
       }
       Logger.Debug("Closing connection");
       AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
     }
       }
     }
     catch (RestartException) {
       Logger.Debug("Connection retrying");
       AnnouncingStatus = AnnouncingStatus.Connecting;
     }
     catch (BannedException) {
       AnnouncingStatus = AnnouncingStatus.Error;
       Logger.Error("Your BCID is banned");
       break;
     }
     catch (QuitException) {
       AnnouncingStatus = AnnouncingStatus.Error;
     }
     catch (SocketException e) {
       AnnouncingStatus = AnnouncingStatus.Error;
       Logger.Info(e);
     }
     catch (IOException e) {
       AnnouncingStatus = AnnouncingStatus.Error;
       Logger.Info(e);
     }
     finally {
       remoteEndPoint = null;
     }
     Logger.Debug("Connection closed");
     if (!IsStopped) {
       restartEvent.WaitOne(10000);
     }
     else {
       AnnouncingStatus = AnnouncingStatus.Idle;
     }
       }
       Logger.Debug("Thread finished");
 }
 public Uri FindTracker(Guid channel_id)
 {
     Logger.Debug("Finding tracker {0} from {1}", channel_id.ToString("N"), Uri);
       var host = Uri.DnsSafeHost;
       var port = Uri.Port;
       Uri res = null;
       if (port<0) port = PCPVersion.DefaultPort;
       try {
     var client = new TcpClient(host, port);
     var stream = client.GetStream();
     var request = System.Text.Encoding.UTF8.GetBytes(
       String.Format("GET /channel/{0} HTTP/1.0\r\n", channel_id.ToString("N")) +
       "x-peercast-pcp:1\r\n" +
       "\r\n");
     stream.Write(request, 0, request.Length);
     var response = ReadResponse(stream);
     var md = System.Text.RegularExpressions.Regex.Match(response, @"^HTTP/1.\d (\d+) ");
     if (md.Success) {
       var status = md.Groups[1].Value;
       switch (status) {
       case "503":
     var helo = new AtomCollection();
     helo.SetHeloAgent(PeerCast.AgentName);
     helo.SetHeloVersion(1218);
     helo.SetHeloSessionID(PeerCast.SessionID);
     helo.SetHeloPort(0);
     AtomWriter.Write(stream, new Atom(Atom.PCP_HELO, helo));
     var hosts = ReadHosts(stream, channel_id);
     res = HostToUri(hosts.FirstOrDefault(h => h.IsTracker), channel_id);
     break;
       case "200":
     //なぜかリレー可能だったのでYP自体をトラッカーとみなしてしまうことにする
     AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
     res = Uri;
     break;
       default:
     //エラーだったのでトラッカーのアドレスを貰えず終了
     break;
       }
     }
     AtomWriter.Write(stream, new Atom(Atom.PCP_QUIT, Atom.PCP_ERROR_QUIT));
     client.Close();
       }
       catch (SocketException)
       {
       }
       catch (IOException)
       {
       }
       if (res!=null) {
     Logger.Debug("Tracker found: {0}", res);
       }
       else {
     Logger.Debug("Tracker no found");
       }
       return res;
 }
 private Atom CreatePCPHelo()
 {
   var helo = new AtomCollection();
   helo.SetHeloAgent(PeerCast.AgentName);
   helo.SetHeloSessionID(PeerCast.SessionID);
   if (PeerCast.IsFirewalled.HasValue) {
     if (PeerCast.IsFirewalled.Value) {
       //Do nothing
     }
     else {
       var listener = PeerCast.FindListener(
         connection.RemoteEndPoint.Address,
         OutputStreamType.Relay | OutputStreamType.Metadata);
       helo.SetHeloPort(listener.LocalEndPoint.Port);
     }
   }
   else {
     var listener = PeerCast.FindListener(
       connection.RemoteEndPoint.Address,
       OutputStreamType.Relay | OutputStreamType.Metadata);
     if (listener!=null) {
       helo.SetHeloPing(listener.LocalEndPoint.Port);
     }
   }
   PCPVersion.SetHeloVersion(helo);
   return new Atom(Atom.PCP_HELO, helo);
 }