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);
}
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);
}
}
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>();
}
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();
}
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));
}
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();
}
