Пример #1
0
        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));
        }
Пример #2
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));
        }
Пример #3
0
        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);
        }
Пример #4
0
        private void PostHostInfo(AtomCollection parent, Channel channel, bool playing)
        {
            var hostinfo = new AtomCollection();

            hostinfo.SetHostChannelID(channel.ChannelID);
            hostinfo.SetHostSessionID(PeerCast.SessionID);
            var globalendpoint = PeerCast.GetGlobalEndPoint(AddressFamily.InterNetwork, OutputStreamType.Relay);

            if (globalendpoint != null)
            {
                hostinfo.AddHostIP(globalendpoint.Address);
                hostinfo.AddHostPort(globalendpoint.Port);
            }
            var localendpoint = PeerCast.GetLocalEndPoint(AddressFamily.InterNetwork, OutputStreamType.Relay);

            if (localendpoint != null)
            {
                hostinfo.AddHostIP(localendpoint.Address);
                hostinfo.AddHostPort(localendpoint.Port);
            }
            hostinfo.SetHostNumListeners(channel.TotalDirects);
            hostinfo.SetHostNumRelays(channel.TotalRelays);
            hostinfo.SetHostUptime(channel.Uptime);
            if (channel.Contents.Count > 0)
            {
                hostinfo.SetHostOldPos((uint)(channel.Contents.Oldest.Position & 0xFFFFFFFFU));
                hostinfo.SetHostNewPos((uint)(channel.Contents.Newest.Position & 0xFFFFFFFFU));
            }
            PCPVersion.SetHostVersion(hostinfo);
            var relayable  = PeerCast.AccessController.IsChannelRelayable(channel);
            var playable   = PeerCast.AccessController.IsChannelPlayable(channel) && PeerCast.FindListener(remoteEndPoint.Address, OutputStreamType.Play) != null;
            var firewalled = !PeerCast.IsFirewalled.HasValue || PeerCast.IsFirewalled.Value || PeerCast.FindListener(remoteEndPoint.Address, OutputStreamType.Relay) == null;
            var receiving  = playing && channel.Status == SourceStreamStatus.Receiving;

            hostinfo.SetHostFlags1(
                (relayable  ? PCPHostFlags1.Relay      : 0) |
                (playable   ? PCPHostFlags1.Direct     : 0) |
                (firewalled ? PCPHostFlags1.Firewalled : 0) |
                PCPHostFlags1.Tracker |
                (receiving ? PCPHostFlags1.Receiving : PCPHostFlags1.None));
            parent.SetHost(hostinfo);
        }
        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");
        }