public void TestVideoClientHandshake()
{
VideoClientHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_video_client_handshake.bin", ResourceType.Nano), _context)
as VideoClientHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Video, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <VideoPayloadType>(VideoPayloadType.ClientHandshake,
(VideoPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(3715731054, packet.InitialFrameId);
Assert.Equal <uint>(30, packet.RequestedFormat.FPS);
Assert.Equal <uint>(1280, packet.RequestedFormat.Width);
Assert.Equal <uint>(720, packet.RequestedFormat.Height);
Assert.Equal <VideoCodec>(VideoCodec.H264, packet.RequestedFormat.Codec);
}
public void TestAudioServerHandshake()
{
AudioServerHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_audio_server_handshake.bin", ResourceType.Nano), _context)
as AudioServerHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Audio, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <AudioPayloadType>(AudioPayloadType.ServerHandshake,
(AudioPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(4, packet.ProtocolVersion);
Assert.Equal <ulong>(1495315092424, packet.ReferenceTimestamp);
Assert.Single(packet.Formats);
Assert.Equal <uint>(2, packet.Formats[0].Channels);
Assert.Equal <uint>(48000, packet.Formats[0].SampleRate);
Assert.Equal <AudioCodec>(AudioCodec.AAC, packet.Formats[0].Codec);
}
public void TestInputServerHandshake()
{
InputServerHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_input_server_handshake.bin", ResourceType.Nano), _context)
as InputServerHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Input, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <InputPayloadType>(InputPayloadType.ServerHandshake,
(InputPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(3, packet.ProtocolVersion);
Assert.Equal <uint>(1280, packet.DesktopWidth);
Assert.Equal <uint>(720, packet.DesktopHeight);
Assert.Equal <uint>(0, packet.MaxTouches);
Assert.Equal <uint>(672208545, packet.InitialFrameId);
}
public void TestUdpHandshake()
{
UdpHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("udp_handshake.bin", ResourceType.Nano), _context)
as UdpHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.TcpBase, packet.Channel);
Assert.Equal <ControlHandshakeType>(ControlHandshakeType.ACK, packet.Type);
}
public void TestUnknownChannelParse()
{
// Create channel context without any registered channels
NanoChannelContext localContext = new NanoChannelContext();
byte[] packetData = ResourcesProvider.GetBytes("tcp_channel_open_no_flags.bin", ResourceType.Nano);
Assert.Throws <NanoPackingException>(() =>
{
NanoPacketFactory
.ParsePacket(packetData, localContext);
});
}
public void TestControlHandshake()
{
ControlHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_control_handshake.bin", ResourceType.Nano), _context)
as ControlHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.TcpBase, packet.Channel);
Assert.Equal <ControlHandshakeType>(ControlHandshakeType.SYN, packet.Type);
Assert.Equal <ushort>(40084, packet.ConnectionId);
}
public void TestChannelOpenNoFlags()
{
ChannelOpen packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_channel_open_no_flags.bin", ResourceType.Nano), _context)
as ChannelOpen;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Video, packet.Channel);
Assert.Equal <ChannelControlType>(ChannelControlType.Open, packet.Type);
Assert.Equal <byte[]>(new byte[0], packet.Flags);
}
private Task SendAsyncStreaming(INanoPacket message)
{
if (RemoteConnectionId == 0)
{
throw new NanoException(
"ControlHandshake was not registered inside NanoChannelContext");
}
message.Header.ConnectionId = RemoteConnectionId;
byte[] packet = NanoPacketFactory.AssemblePacket(message, ChannelContext);
return(_streamingProtoClient.SendAsync(packet, packet.Length));
}
public void TestChannelClose()
{
ChannelClose packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_channel_close.bin", ResourceType.Nano), _context)
as ChannelClose;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Audio, packet.Channel);
Assert.Equal <ChannelControlType>(ChannelControlType.Close, packet.Type);
Assert.Equal <uint>(0, packet.Flags);
}
public void TestVideoServerHandshake()
{
VideoServerHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_video_server_handshake.bin", ResourceType.Nano), _context)
as VideoServerHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Video, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <VideoPayloadType>(VideoPayloadType.ServerHandshake,
(VideoPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <uint>(5, packet.ProtocolVersion);
Assert.Equal <uint>(1280, packet.Width);
Assert.Equal <uint>(720, packet.Height);
Assert.Equal <uint>(30, packet.FPS);
Assert.Equal <ulong>(1495315092425, packet.ReferenceTimestamp);
Assert.Equal <int>(4, packet.Formats.Length);
Assert.Equal <uint>(30, packet.Formats[0].FPS);
Assert.Equal <uint>(1280, packet.Formats[0].Width);
Assert.Equal <uint>(720, packet.Formats[0].Height);
Assert.Equal <VideoCodec>(VideoCodec.H264, packet.Formats[0].Codec);
Assert.Equal <uint>(30, packet.Formats[1].FPS);
Assert.Equal <uint>(960, packet.Formats[1].Width);
Assert.Equal <uint>(540, packet.Formats[1].Height);
Assert.Equal <VideoCodec>(VideoCodec.H264, packet.Formats[1].Codec);
Assert.Equal <uint>(30, packet.Formats[2].FPS);
Assert.Equal <uint>(640, packet.Formats[2].Width);
Assert.Equal <uint>(360, packet.Formats[2].Height);
Assert.Equal <VideoCodec>(VideoCodec.H264, packet.Formats[2].Codec);
Assert.Equal <uint>(30, packet.Formats[3].FPS);
Assert.Equal <uint>(320, packet.Formats[3].Width);
Assert.Equal <uint>(180, packet.Formats[3].Height);
Assert.Equal <VideoCodec>(VideoCodec.H264, packet.Formats[3].Codec);
}
public void TestInputFrameAck()
{
InputFrameAck packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("udp_input_frame_ack.bin", ResourceType.Nano), _context)
as InputFrameAck;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Input, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <InputPayloadType>(InputPayloadType.FrameAck,
(InputPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>((StreamerFlags)0, packet.StreamerHeader.Flags);
Assert.Equal <uint>(672208545, packet.AckedFrame);
}
public void TestInputFrame()
{
InputFrame packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("udp_input_frame.bin", ResourceType.Nano), _context)
as InputFrame;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Input, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <InputPayloadType>(InputPayloadType.Frame,
(InputPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>((StreamerFlags)0, packet.StreamerHeader.Flags);
Assert.Equal <ulong>(583706495, packet.CreatedTimestamp);
Assert.Equal <ulong>(583706515, packet.Timestamp);
Assert.Equal <uint>(672208564, packet.FrameId);
}
public void TestAudioControl()
{
AudioControl packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_audio_control.bin", ResourceType.Nano), _context)
as AudioControl;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Audio, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <AudioPayloadType>(AudioPayloadType.Control,
(AudioPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(2, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(1, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <AudioControlFlags>(AudioControlFlags.StartStream, packet.Flags);
}
public void TestAudioData()
{
AudioData packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("udp_audio_data.bin", ResourceType.Nano), _context)
as AudioData;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Audio, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <AudioPayloadType>(AudioPayloadType.Data,
(AudioPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>((StreamerFlags)0, packet.StreamerHeader.Flags);
Assert.Equal <uint>(4, packet.Flags);
Assert.Equal <uint>(0, packet.FrameId);
Assert.Equal <ulong>(3365588462, packet.Timestamp);
Assert.Equal <int>(357, packet.Data.Length);
}
public void TestInputClientHandshake()
{
InputClientHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_input_client_handshake.bin", ResourceType.Nano), _context)
as InputClientHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Input, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <InputPayloadType>(InputPayloadType.ClientHandshake,
(InputPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(10, packet.MaxTouches);
Assert.Equal <ulong>(1498690645999, packet.ReferenceTimestamp);
}
public void TestStreamerControlChangeVideoQuality()
{
ChangeVideoQuality packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_control_msg_with_header_change_video_quality.bin", ResourceType.Nano), _context)
as ChangeVideoQuality;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Control, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <uint>(0, packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(0, packet.ControlHeader.PreviousSequence);
Assert.Equal <ushort>(1, packet.ControlHeader.Unknown1);
Assert.Equal <ushort>(1406, packet.ControlHeader.Unknown2);
Assert.Equal <ControlOpCode>(ControlOpCode.ChangeVideoQuality, packet.ControlHeader.OpCode);
}
public void TestAudioClientHandshake()
{
AudioClientHandshake packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("tcp_audio_client_handshake.bin", ResourceType.Nano), _context)
as AudioClientHandshake;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Audio, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <AudioPayloadType>(AudioPayloadType.ClientHandshake,
(AudioPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>(StreamerFlags.GotSeqAndPrev | StreamerFlags.Unknown1,
packet.StreamerHeader.Flags);
Assert.Equal <uint>(1, packet.StreamerHeader.SequenceNumber);
Assert.Equal <uint>(0, packet.StreamerHeader.PreviousSequenceNumber);
Assert.Equal <uint>(693041842, packet.InitialFrameID);
Assert.Equal <uint>(2, packet.RequestedFormat.Channels);
Assert.Equal <uint>(48000, packet.RequestedFormat.SampleRate);
Assert.Equal <AudioCodec>(AudioCodec.AAC, packet.RequestedFormat.Codec);
}
public void TestVideoData()
{
VideoData packet = NanoPacketFactory
.ParsePacket(ResourcesProvider.GetBytes("udp_video_data.bin", ResourceType.Nano), _context)
as VideoData;
Assert.NotNull(packet);
Assert.NotNull(packet.Header);
Assert.Equal <NanoChannel>(NanoChannel.Video, packet.Channel);
Assert.Equal <NanoPayloadType>(NanoPayloadType.Streamer, packet.Header.PayloadType);
Assert.Equal <VideoPayloadType>(VideoPayloadType.Data,
(VideoPayloadType)packet.StreamerHeader.PacketType);
Assert.Equal <StreamerFlags>((StreamerFlags)0, packet.StreamerHeader.Flags);
Assert.Equal <uint>(4, packet.Flags);
Assert.Equal <uint>(3715731054, packet.FrameId);
Assert.Equal <ulong>(3365613642, packet.Timestamp);
Assert.Equal <uint>(5594, packet.TotalSize);
Assert.Equal <uint>(5, packet.PacketCount);
Assert.Equal <uint>(0, packet.Offset);
Assert.Equal <int>(1119, packet.Data.Length);
}
public NanoRdpTransport(string address, int tcpPort, int udpPort)
{
_address = address;
_tcpPort = tcpPort;
_udpPort = udpPort;
_cancellationTokenSource = new CancellationTokenSource();
IPAddress hostAddr = IPAddress.Parse(address);
_controlProtoEp = new IPEndPoint(hostAddr, _tcpPort);
_streamingProtoEp = new IPEndPoint(hostAddr, _udpPort);
_controlProtoClient = new TcpClient(AddressFamily.InterNetwork);
_streamingProtoClient = new UdpClient(AddressFamily.InterNetwork);
_controlProtoClient.Client.Bind(new IPEndPoint(IPAddress.Any, 0));
_streamingProtoClient.Client.Bind(new IPEndPoint(IPAddress.Any, 0));
_controlProtoClient.Connect(_controlProtoEp);
_streamingProtoClient.Connect(_streamingProtoEp);
ChannelContext = new NanoChannelContext();
void ProcessPacket(byte[] packetData)
{
try
{
EndianReader reader = new EndianReader(packetData);
INanoPacket packet = NanoPacketFactory.ParsePacket(packetData, ChannelContext);
if (packet.Header.PayloadType == NanoPayloadType.ChannelControl &&
packet as ChannelCreate != null)
{
ChannelContext.RegisterChannel((ChannelCreate)packet);
}
else if (packet.Header.PayloadType == NanoPayloadType.ChannelControl &&
packet as ChannelClose != null)
{
ChannelContext.UnregisterChannel((ChannelClose)packet);
}
else if (RemoteConnectionId == 0 && packet as ControlHandshake != null)
{
RemoteConnectionId = ((ControlHandshake)packet).ConnectionId;
}
bool success = _receiveQueue.TryAdd(packet);
if (!success)
{
LogTool.Log($"Failed to add message to receive queue");
}
}
catch (NanoPackingException e)
{
LogTool.LogError($"Failed to parse nano packet: {e.Message}", e);
}
}
_controlProtoClient.ConsumeReceivedPrefixed(
receiveResult => ProcessPacket(receiveResult),
_cancellationTokenSource.Token
);
_streamingProtoClient.ConsumeReceived(
receiveResult => ProcessPacket(receiveResult.Buffer),
_cancellationTokenSource.Token
);
Task.Run(() =>
{
while (!_receiveQueue.IsCompleted)
{
try
{
var message = _receiveQueue.Take();
MessageReceived?.Invoke(this, new MessageReceivedEventArgs <INanoPacket>(message));
}
catch (Exception e)
{
LogTool.LogError(
e, "Calling Nano MessageReceived failed!");
}
}
}, _cancellationTokenSource.Token);
}
private Task SendAsyncControl(INanoPacket message)
{
byte[] packet = NanoPacketFactory.AssemblePacket(message, ChannelContext);
return(_controlProtoClient.SendAsyncPrefixed(packet));
}
