示例#1
0
 static public Quartus GetInstance()
 {
     if (_instance == null)
     {
         _instance = new Quartus();
     }
     return(_instance);
 }
示例#2
0
        public override void AddRemoteControlling(PeerConnection Connection)
        {
            // Creating instance of system component to manipulate of equipment
            FirmwareLoader = Quartus.GetInstance();
            InputEmulator  = Microcontroller.Create();


            // Adding data channel for loading firmware and controling equipment
            Connection.DataChannelAdded += DataChannelAddedHandler;

            //Console.WriteLine("End of GetMedia which initialized UserCell in Thread {0}", Thread.CurrentThread.ManagedThreadId);
        }
示例#3
0
 public void Dispose()
 {
     // it means that cmd proccess was created
     if (_instance != null)
     {
         // Kill created process.
         cmd.Kill();
         // Free associated process.
         cmd.Close();
         // Set _instance null, to say GetInstance that to call lazy initialization
         _instance = null;
     }
 }
示例#4
0
        static private async Task StartStend()
        {
            var             autoEvent        = new AutoResetEvent(false);
            bool            video_translator = true;
            bool            file_created     = false;
            FileStream      file             = null;
            Quartus         quartus          = Quartus.GetInstance();
            Microcontroller arduino          = Microcontroller.Create();

            if (video_translator)
            {
                // Asynchronously retrieve a list of available video capture devices (webcams).
                var deviceList = await DeviceVideoTrackSource.GetCaptureDevicesAsync();


                // For example, print them to the standard output
                foreach (var device in deviceList)
                {
                    Console.WriteLine($"Found webcam {device.name} (id: {device.id})");
                }
            }

            // Create a new peer connection automatically disposed at the end of the program
            var pc = new PeerConnection();
            // Initialize the connection with a STUN server to allow remote access
            var config = SystemConfiguration.PeerConnectionSettings;


            await pc.InitializeAsync(config);

            Console.WriteLine("Peer connection initialized.");
            //var chen = await pc.AddDataChannelAsync("sendDataChannel", true, true, cancellationToken: default);
            Console.WriteLine("Opening local webcam...");


            // pc - PeerConnection object
            Transceiver                videoTransceiver = null;
            VideoTrackSource           videoTrackSource = null;
            LocalVideoTrack            localVideoTrack  = null;
            LocalVideoDeviceInitConfig c = new LocalVideoDeviceInitConfig();

            await VideoDeviceSelection();

            videoTrackSource = await Camera.CreateAsync(SystemConfiguration.VideoDeviceSettings);


            WebSocketSharp.WebSocket signaling = new WebSocketSharp.WebSocket(CreateSignalingServerUrl(), "id_token", "alpine");
            pc.LocalSdpReadytoSend += (SdpMessage message) =>
            {
                //Console.WriteLine(SdpMessage.TypeToString(message.Type));
                Console.WriteLine(message.Content);
                //Console.WriteLine(HttpUtility.JavaScriptStringEncode(message.Content));
                Console.WriteLine("Sdp offer to send: {\"data\":{\"description\":{\"type\":\"" + SdpMessage.TypeToString(message.Type) + "\",\"sdp\":\"" + HttpUtility.JavaScriptStringEncode(message.Content) + "\"}}}");
                signaling.Send(message.ToABJson());
            };

            pc.RenegotiationNeeded += () =>
            {
                Console.WriteLine("Regotiation needed");
                bool OfferCreated = pc.CreateOffer();
                Console.WriteLine("OfferCreated? {0}", OfferCreated);
            };
            pc.DataChannelAdded += (DataChannel channel) =>
            {
                Console.WriteLine("Added data channel ID: {0}, Label: {1}; Reliable: {2}, Ordered: {3}", channel.ID, channel.Label, channel.Reliable, channel.Ordered);

                if (channel.Label == "sendDataChannel")
                {
                    channel.MessageReceived += (byte[] mess) => {
                        try
                        {
                            CTP_packet command = JsonSerializer.Deserialize <CTP_packet>(mess);
                            Console.WriteLine(arduino.SendCTP_Command(command));
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine(e.Message);
                        }
                    };
                }
                else
                {
                    if (file_created == false)
                    {
                        file         = new FileStream(channel.Label, FileMode.Append);
                        file_created = true;
                    }
                    channel.MessageReceived += async(byte[] mess) =>
                    {
                        // Console.WriteLine(System.Text.Encoding.Default.GetString(mess));
                        if (mess.Length == 3 && System.Text.Encoding.Default.GetString(mess) == "EOF")
                        {
                            string file_name = file.Name;
                            file.Close();
                            string t = await quartus.RunQuartusCommandAsync($"quartus_pgm -m jtag –o \"p;{file_name}@1\"");

                            File.Delete(file_name);
                            file_created = false;
                        }
                        else
                        {
                            WriteFileSegment(mess, file);
                        }
                    };
                }

                channel.StateChanged += () =>
                {
                    Console.WriteLine("State change: {0}", channel.State);
                };
            };

            pc.IceCandidateReadytoSend += (IceCandidate candidate) =>
            {
                //Console.WriteLine("Content: {0}, SdpMid: {1}, SdpMlineIndex: {2}", candidate.Content, candidate.SdpMid, candidate.SdpMlineIndex);
                try
                {
                    Console.WriteLine("Candidate to send: Content: {0}, SdpMid: {1}, SdpMlineIndex: {2}", candidate.Content, candidate.SdpMid, candidate.SdpMlineIndex);
                    signaling.Send(candidate.ToABJson());
                }
                catch (Exception e)
                {
                    Console.WriteLine("Error to send local ice candidate");
                }
            };
            //videoTrackSource.I420AVideoFrameReady += (frame) =>
            //{
            //    Console.WriteLine("Argb32 frame ready. {0} : {1}", frame.width, frame.height);
            //    Console.WriteLine("DataA: {0}, DataU: {1}, DataV: {2}, DataY: {3}", Marshal.SizeOf(frame.dataA),
            //                        Marshal.SizeOf(frame.dataU),
            //                        Marshal.SizeOf(frame.dataV),
            //                        Marshal.SizeOf(frame.dataY));
            //};

            signaling.OnMessage += async(sender, message) =>
            {
                (string header, string correct_message) = message.Data.DivideHeaderAndOriginalJSON();
                Console.WriteLine("Correct message: {0}", correct_message);
                Console.WriteLine("Header: {0}", header);
                if (header == "{\"data\":{\"getRemoteMedia\":" && correct_message == "true")
                {
                    Console.WriteLine("Create local video track...");
                    var trackSettings = new LocalVideoTrackInitConfig {
                        trackName = "webcam_track"
                    };
                    localVideoTrack = LocalVideoTrack.CreateFromSource(videoTrackSource, new LocalVideoTrackInitConfig {
                        trackName = "webcam_track"
                    });
                    Console.WriteLine("Create video transceiver and add webcam track...");
                    TransceiverInitSettings option = new TransceiverInitSettings();
                    option.Name      = "webcam_track";
                    option.StreamIDs = new List <string> {
                        "webcam_name"
                    };
                    videoTransceiver = pc.AddTransceiver(MediaKind.Video, option);
                    videoTransceiver.DesiredDirection = Transceiver.Direction.SendOnly;
                    videoTransceiver.LocalVideoTrack  = localVideoTrack;

                    bool OfferCreated = pc.CreateOffer();
                    Console.WriteLine("OfferCreated? {0}", OfferCreated);
                }
                //Console.WriteLine(message.Data);
                if (header.IndexOf("candidate") != -1 && correct_message != "null")
                {
                    try
                    {
                        var candidate = JsonSerializer.Deserialize <ICEJavaScriptNotation>(correct_message);
                        Console.WriteLine("Content of ice: {0}, SdpMid: {1}, SdpMLineIndex: {2}", candidate.candidate, candidate.sdpMid, candidate.sdpMLineIndex);
                        pc.AddIceCandidate(candidate.ToMRNetCoreNotation());
                        Console.WriteLine("Deserialized by ice_candidate");
                        //return;
                    }
                    catch (Exception)
                    {
                        Console.WriteLine("Could not deserialize as ice candidate");
                    }
                }

                if (header.IndexOf("description") != -1)
                {
                    try
                    {
                        SdpMessage received_description = JsonSerializer.Deserialize <SDPJavaScriptNotation>(correct_message).ToMRNetCoreNotation();
                        await pc.SetRemoteDescriptionAsync(received_description);

                        if (received_description.Type == SdpMessageType.Offer)
                        {
                            bool res = pc.CreateAnswer();
                            Console.WriteLine("Answer created? {0}", res);
                        }
                        Console.WriteLine("Deserialized by sdp_message");
                    }
                    catch (Exception)
                    {
                        Console.WriteLine("Could not deserialize as sdp message");
                    }
                }
            };


            pc.Connected += () =>
            {
                Console.WriteLine("Connected");
            };
            pc.IceStateChanged += (IceConnectionState newState) =>
            {
                if (newState == IceConnectionState.Disconnected)
                {
                    Console.WriteLine("Disconected");
                }
            };


            signaling.Connect();
            if (!video_translator)
            {
                signaling.Send("{\"data\":{\"getRemoteMedia\":true}}");
            }

            //Console.WriteLine("Press a key to terminate the application...");
            Console.ReadKey(true);
            Console.WriteLine("Program termined.");
            file?.Close();
            pc?.Close();
            signaling?.Close();
            //arduino?.Close();
            //(var a, var b) = ConvertString("{\"data\":{\"candidate\":null}}");
            //Console.WriteLine("{0}, {1}", a, b);
        }