Exemplo n.º 1
0
        private RtmpHeader ReadHeader()
        {
            int       num1          = (int)this._reader.ReadByte();
            AmfReader reader        = this._reader;
            int       chunkStreamId = RtmpPacketReader.GetChunkStreamId((byte)num1, reader);
            int       num2          = 6;
            ChunkMessageHeaderType messageHeaderType = (ChunkMessageHeaderType)(num1 >> num2);
            RtmpHeader             rtmpHeader1       = new RtmpHeader();

            rtmpHeader1.StreamId = chunkStreamId;
            int num3 = (uint)messageHeaderType > 0U ? 1 : 0;

            rtmpHeader1.IsTimerRelative = num3 != 0;
            RtmpHeader rtmpHeader2 = rtmpHeader1;
            RtmpHeader rtmpHeader3;

            if (!this._rtmpHeaders.TryGetValue(chunkStreamId, out rtmpHeader3) && messageHeaderType != ChunkMessageHeaderType.New)
            {
                rtmpHeader3 = rtmpHeader2.Clone();
            }
            switch (messageHeaderType)
            {
            case ChunkMessageHeaderType.New:
                rtmpHeader2.Timestamp       = this._reader.ReadUInt24();
                rtmpHeader2.PacketLength    = this._reader.ReadUInt24();
                rtmpHeader2.MessageType     = (MessageType)this._reader.ReadByte();
                rtmpHeader2.MessageStreamId = this._reader.ReadReverseInt();
                break;

            case ChunkMessageHeaderType.SameSource:
                rtmpHeader2.Timestamp       = this._reader.ReadUInt24();
                rtmpHeader2.PacketLength    = this._reader.ReadUInt24();
                rtmpHeader2.MessageType     = (MessageType)this._reader.ReadByte();
                rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
                break;

            case ChunkMessageHeaderType.TimestampAdjustment:
                rtmpHeader2.Timestamp       = this._reader.ReadUInt24();
                rtmpHeader2.PacketLength    = rtmpHeader3.PacketLength;
                rtmpHeader2.MessageType     = rtmpHeader3.MessageType;
                rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
                break;

            case ChunkMessageHeaderType.Continuation:
                rtmpHeader2.Timestamp       = rtmpHeader3.Timestamp;
                rtmpHeader2.PacketLength    = rtmpHeader3.PacketLength;
                rtmpHeader2.MessageType     = rtmpHeader3.MessageType;
                rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
                rtmpHeader2.IsTimerRelative = rtmpHeader3.IsTimerRelative;
                break;

            default:
                throw new SerializationException("Unexpected header type: " + (object)(int)messageHeaderType);
            }
            if (rtmpHeader2.Timestamp == 16777215)
            {
                rtmpHeader2.Timestamp = this._reader.ReadInt32();
            }
            return(rtmpHeader2);
        }
Exemplo n.º 2
0
        private RtmpEvent ParsePacket(RtmpPacket packet)
        {
            switch (packet.Header.MessageType)
            {
            case MessageType.SetChunkSize:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new ChunkSize(r.ReadInt32()))));

            case MessageType.AbortMessage:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new Abort(r.ReadInt32()))));

            case MessageType.Acknowledgement:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new Acknowledgement(r.ReadInt32()))));

            case MessageType.UserControlMessage:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r =>
                {
                    ushort num = r.ReadUInt16();
                    List <int> intList = new List <int>();
                    while (r.Length - r.Position >= 4L)
                    {
                        intList.Add(r.ReadInt32());
                    }
                    return (RtmpEvent) new UserControlMessage((UserControlMessageType)num, intList.ToArray());
                })));

            case MessageType.WindowAcknowledgementSize:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new WindowAcknowledgementSize(r.ReadInt32()))));

            case MessageType.SetPeerBandwidth:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new PeerBandwidth(r.ReadInt32(), r.ReadByte()))));

            case MessageType.Audio:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new AudioData(packet.Buffer))));

            case MessageType.Video:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => (RtmpEvent) new VideoData(packet.Buffer))));

            case MessageType.DataAmf3:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => RtmpPacketReader.ReadCommandOrData(r, (Command) new NotifyAmf3()))));

            case MessageType.CommandAmf3:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r =>
                {
                    int num = (int)r.ReadByte();
                    return RtmpPacketReader.ReadCommandOrData(r, (Command) new InvokeAmf3());
                })));

            case MessageType.DataAmf0:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => RtmpPacketReader.ReadCommandOrData(r, (Command) new NotifyAmf0()))));

            case MessageType.CommandAmf0:
                return(this.ParsePacket(packet, (Func <AmfReader, RtmpEvent>)(r => RtmpPacketReader.ReadCommandOrData(r, (Command) new InvokeAmf0()))));

            default:
                return((RtmpEvent)null);
            }
        }
Exemplo n.º 3
0
 public RtmpConnect(Socket client_socket, Stream stream, RtmpServer server, ushort client_id, SerializationContext context, ObjectEncoding objectEncoding = ObjectEncoding.Amf0, bool asyncMode = false)
 {
     ClientId            = client_id;
     clientSocket        = client_socket;
     this.server         = server;
     this.objectEncoding = objectEncoding;
     writer = new RtmpPacketWriter(new AmfWriter(stream, context, ObjectEncoding.Amf0, asyncMode), ObjectEncoding.Amf0);
     reader = new RtmpPacketReader(new AmfReader(stream, context, asyncMode));
     reader.EventReceived += EventReceivedCallback;
     reader.Disconnected  += OnPacketProcessorDisconnected;
     writer.Disconnected  += OnPacketProcessorDisconnected;
     callbackManager       = new TaskCallbackManager <int, object>();
 }
Exemplo n.º 4
0
 public void EstablishThreads(Stream stream)
 {
     this._writer = new RtmpPacketWriter(new AmfWriter(stream, this._serializationContext), ObjectEncoding.Amf3);
     this._reader = new RtmpPacketReader(new AmfReader(stream, this._serializationContext));
     this._reader.EventReceived += new EventHandler <EventReceivedEventArgs>(this.EventReceivedCallback);
     this._reader.Disconnected  += new EventHandler <ExceptionalEventArgs>(this.OnPacketProcessorDisconnected);
     this._writer.Disconnected  += new EventHandler <ExceptionalEventArgs>(this.OnPacketProcessorDisconnected);
     this._writerThread          = new Thread(new ThreadStart(this._reader.ReadLoop))
     {
         IsBackground = true
     };
     this._readerThread = new Thread(new ThreadStart(this._writer.WriteLoop))
     {
         IsBackground = true
     };
     this._writerThread.Start();
     this._readerThread.Start();
 }
Exemplo n.º 5
0
        public void EstablishThreads(Stream stream)
        {
            writer = new RtmpPacketWriter(new AmfWriter(stream, serializationContext), ObjectEncoding.Amf3);
            reader = new RtmpPacketReader(new AmfReader(stream, serializationContext));
            reader.EventReceived += EventReceivedCallback;
            reader.Disconnected  += OnPacketProcessorDisconnected;
            writer.Disconnected  += OnPacketProcessorDisconnected;

            writerThread = new Thread(reader.ReadLoop)
            {
                IsBackground = true
            };
            readerThread = new Thread(writer.WriteLoop)
            {
                IsBackground = true
            };

            writerThread.Start();
            readerThread.Start();
        }
        public WebsocketConnect(IWebSocketConnection connection, IO.SerializationContext context, IO.ObjectEncoding encoding)
        {
            this.connection     = connection;
            IsPlaying           = true;
            sendPing            = connection.SendPing;
            connectTime         = DateTime.UtcNow;
            connection.OnPong  += d => callbackManager.SetResult(BitConverter.ToInt32(d, 0), null);
            connection.OnClose += () =>
            {
                OnDisconnected(new ExceptionalEventArgs("Closed"));
            };
            connection.OnError += (e) =>
            {
                OnDisconnected(new ExceptionalEventArgs(e.Message, e));
            };
            var stream = new WebsocketStream(connection);

            writer = new FlvPacketWriter(new IO.AmfWriter(stream, context), encoding);
            reader = new RtmpPacketReader(new IO.AmfReader(stream, context));
        }
Exemplo n.º 7
0
        public async Task ConnectAsync()
        {
            if (hasConnected)
            {
                return;
            }

            var client = CreateTcpClient();

            client.NoDelay             = NoDelay;
            client.ReceiveTimeout      = ReceiveTimeout;
            client.SendTimeout         = SendTimeout;
            client.ExclusiveAddressUse = ExclusiveAddressUse;

            await client.ConnectAsync(uri.Host, uri.Port);

            var stream = await GetRtmpStreamAsync(client);


            var random      = new Random();
            var randomBytes = new byte[1528];

            random.NextBytes(randomBytes);

            // write c0+c1
            var c01 = new Handshake()
            {
                Version = 3,
                Time    = (uint)Environment.TickCount,
                Time2   = 0,
                Random  = randomBytes
            };
            await Handshake.WriteAsync(stream, c01, true);

            // read s0+s1
            var s01 = await Handshake.ReadAsync(stream, true);

            // write c2
            var c2 = s01.Clone();

            c2.Time2 = (uint)Environment.TickCount;
            await Handshake.WriteAsync(stream, c2, false);

            // read s2
            var s2 = await Handshake.ReadAsync(stream, false);

            // handshake check
            if (!c01.Random.SequenceEqual(s2.Random) || c01.Time != s2.Time)
            {
                throw new ProtocolViolationException();
            }

            writer = new RtmpPacketWriter(new AmfWriter(stream, context), ObjectEncoding.Amf3);
            reader = new RtmpPacketReader(new AmfReader(stream, context));
            reader.EventReceived += EventReceivedCallback;
            reader.Disconnected  += OnPacketProcessorDisconnected;
            writer.Disconnected  += OnPacketProcessorDisconnected;

            writerThread = new Thread(reader.ReadLoop)
            {
                IsBackground = true
            };
            readerThread = new Thread(writer.WriteLoop)
            {
                IsBackground = true
            };

            writerThread.Start();
            readerThread.Start();

            // call `connect`
            var connectResult = await ConnectInvokeAsync(null, null, uri.ToString());

            object cId;

            if (connectResult.TryGetValue("clientId", out cId))
            {
                ClientId = cId as string;
            }

            hasConnected = true;
        }
        public void EstablishThreads(Stream stream)
        {
            writer = new RtmpPacketWriter(new AmfWriter(stream, serializationContext), ObjectEncoding.Amf3);
            reader = new RtmpPacketReader(new AmfReader(stream, serializationContext));
            reader.EventReceived += EventReceivedCallback;
            reader.Disconnected += OnPacketProcessorDisconnected;
            writer.Disconnected += OnPacketProcessorDisconnected;

            writerThread = new Thread(reader.ReadLoop) { IsBackground = true };
            readerThread = new Thread(writer.WriteLoop) { IsBackground = true };

            writerThread.Start();
            readerThread.Start();
        }