public Viewer(CasterSocket casterSocket,
IScreenCapturer screenCapturer,
IClipboardService clipboardService,
IWebRtcSessionFactory webRtcSessionFactory,
IAudioCapturer audioCapturer)
{
Capturer = screenCapturer;
CasterSocket = casterSocket;
WebRtcSessionFactory = webRtcSessionFactory;
EncoderParams = new EncoderParameters();
ImageQuality = defaultImageQuality;
ClipboardService = clipboardService;
ClipboardService.ClipboardTextChanged += ClipboardService_ClipboardTextChanged;
AudioCapturer = audioCapturer;
AudioCapturer.AudioSampleReady += AudioCapturer_AudioSampleReady;
}
public async Task SendScreenCapture(byte[] encodedImageBytes, int left, int top, int width, int height)
{
PendingSentFrames.Enqueue(DateTimeOffset.Now);
for (var i = 0; i < encodedImageBytes.Length; i += 50_000)
{
var dto = new CaptureFrameDto()
{
Left = left,
Top = top,
Width = width,
Height = height,
EndOfFrame = false,
ImageBytes = encodedImageBytes.Skip(i).Take(50_000).ToArray(),
ImageQuality = imageQuality
};
await SendToViewer(() =>
{
RtcSession.SendDto(dto);
}, async() =>
{
await CasterSocket.SendDtoToViewer(dto, ViewerConnectionID);
});
}
var endOfFrameDto = new CaptureFrameDto()
{
Left = left,
Top = top,
Width = width,
Height = height,
EndOfFrame = true,
ImageQuality = imageQuality
};
await SendToViewer(() =>
{
RtcSession.SendDto(endOfFrameDto);
}, async() =>
{
await CasterSocket.SendDtoToViewer(endOfFrameDto, ViewerConnectionID);
});
}
public async Task SendScreenCapture(CaptureFrame screenFrame)
{
PendingSentFrames.Enqueue(DateTimeOffset.Now);
var left = screenFrame.Left;
var top = screenFrame.Top;
var width = screenFrame.Width;
var height = screenFrame.Height;
for (var i = 0; i < screenFrame.EncodedImageBytes.Length; i += 50_000)
{
var dto = new CaptureFrameDto()
{
Left = left,
Top = top,
Width = width,
Height = height,
EndOfFrame = false,
ImageBytes = screenFrame.EncodedImageBytes.Skip(i).Take(50_000).ToArray(),
ImageQuality = _imageQuality
};
await SendToViewer(() => RtcSession.SendDto(dto),
() => CasterSocket.SendDtoToViewer(dto, ViewerConnectionID));
}
var endOfFrameDto = new CaptureFrameDto()
{
Left = left,
Top = top,
Width = width,
Height = height,
EndOfFrame = true,
ImageQuality = _imageQuality
};
await SendToViewer(() => RtcSession.SendDto(endOfFrameDto),
() => CasterSocket.SendDtoToViewer(endOfFrameDto, ViewerConnectionID));
}
public async Task InitializeWebRtc()
{
try
{
var iceServers = await CasterSocket.GetIceServers();
RtcSession = WebRtcSessionFactory.GetNewSession(this);
RtcSession.LocalSdpReady += async(sender, sdp) =>
{
await CasterSocket.SendRtcOfferToBrowser(sdp.Content, ViewerConnectionID, iceServers);
};
RtcSession.IceCandidateReady += async(sender, candidate) =>
{
await CasterSocket.SendIceCandidateToBrowser(candidate.Content, candidate.SdpMlineIndex, candidate.SdpMid, ViewerConnectionID);
};
await RtcSession.Init(iceServers);
}
catch (Exception ex)
{
Logger.Write(ex);
}
}
public async Task SendViewerConnected()
{
await CasterSocket.SendViewerConnected(ViewerConnectionID);
}
public async Task SendCtrlAltDel()
{
await CasterSocket.SendCtrlAltDelToAgent();
}
public async Task ParseMessage(byte[] message)
{
try
{
var baseDto = MessagePackSerializer.Deserialize <BinaryDtoBase>(message);
switch (baseDto.DtoType)
{
case BinaryDtoType.MouseMove:
case BinaryDtoType.MouseDown:
case BinaryDtoType.MouseUp:
case BinaryDtoType.Tap:
case BinaryDtoType.MouseWheel:
case BinaryDtoType.KeyDown:
case BinaryDtoType.KeyUp:
case BinaryDtoType.CtrlAltDel:
case BinaryDtoType.ToggleBlockInput:
case BinaryDtoType.ClipboardTransfer:
case BinaryDtoType.KeyPress:
case BinaryDtoType.SetKeyStatesUp:
{
if (!Viewer.HasControl)
{
return;
}
}
break;
default:
break;
}
switch (baseDto.DtoType)
{
case BinaryDtoType.SelectScreen:
SelectScreen(message);
break;
case BinaryDtoType.MouseMove:
MouseMove(message);
break;
case BinaryDtoType.MouseDown:
MouseDown(message);
break;
case BinaryDtoType.MouseUp:
MouseUp(message);
break;
case BinaryDtoType.Tap:
Tap(message);
break;
case BinaryDtoType.MouseWheel:
MouseWheel(message);
break;
case BinaryDtoType.KeyDown:
KeyDown(message);
break;
case BinaryDtoType.KeyUp:
KeyUp(message);
break;
case BinaryDtoType.CtrlAltDel:
await CasterSocket.SendCtrlAltDel();
break;
case BinaryDtoType.AutoQualityAdjust:
SetAutoQualityAdjust(message);
break;
case BinaryDtoType.ToggleAudio:
ToggleAudio(message);
break;
case BinaryDtoType.ToggleBlockInput:
ToggleBlockInput(message);
break;
case BinaryDtoType.ToggleWebRtcVideo:
ToggleWebRtcVideo(message);
break;
case BinaryDtoType.ClipboardTransfer:
ClipboardTransfer(message);
break;
case BinaryDtoType.KeyPress:
await KeyPress(message);
break;
case BinaryDtoType.QualityChange:
QualityChange(message);
break;
case BinaryDtoType.File:
await DownloadFile(message);
break;
case BinaryDtoType.WindowsSessions:
await GetWindowsSessions();
break;
case BinaryDtoType.SetKeyStatesUp:
SetKeyStatesUp();
break;
case BinaryDtoType.FrameReceived:
HandleFrameReceived();
break;
default:
break;
}
}
catch (Exception ex)
{
Logger.Write(ex);
}
}