public void Start()
{
try
{
SetCameraProporties();
while (!Finish)
{
if (Request != CameraRequest.Alive)
{
ProcessRequest(Request);
Request = CameraRequest.Alive;
}
Thread.Sleep(5);
}
}
catch (ThreadAbortException)
{
Console.WriteLine("Thread Aborting (Because of exception)");
}
finally
{
Shutdown();
}
}
public void InitiateCaptureImage(CameraRequest action, Socket[] connections)
{
foreach (Socket connection in connections)
{
ThreadPool.QueueUserWorkItem(state => CaptureImage(action, connection));
}
}
private void ProcessRequest(CameraRequest request)
{
//start asking the camera for a new image
byte[] data = connection.MakeRequest(PropertyRequest(request));
//extract image data
string imageName;
byte[] imageData;
ByteManipulation.SeperateData(out imageName, data, out imageData);
if (imageName == "" || imageData.Length <= 0)
{
Console.WriteLine("No Image data recieved!!");
Console.WriteLine("Debug data:");
Console.WriteLine("\tThread Camera: " + config.Config.Id);
Console.WriteLine("\tImage set id: " + ImageSetName);
return;
}
using (FileStream fileStream = new FileStream(SavePath + imageName, FileMode.CreateNew))
{
for (int i = 0; i < imageData.Length; i++)
{
fileStream.WriteByte(imageData[i]);
}
}
}
public byte[] MakeRequest(CameraRequest request)
{
byte[] bytes = new byte[Constants.ByteArraySize],
buffer = new byte[bufferSize];
if (!socket.Connected)
{
throw new Exception("Socket needs to be connnected");
}
try
{
// Encode the data string into a byte array.
byte[] msg = Encoding.ASCII.GetBytes((int)request + Constants.EndOfMessage);
socket.Send(msg);
//grab the bytes
bytes = new byte[Constants.ByteArraySize];
int totalData = 0;
do
{
int bytesRec = socket.Receive(buffer);
Array.Copy(buffer, 0, bytes, totalData, bytesRec);
totalData += bytesRec;
} while (!ByteManipulation.SearchEndOfMessage(bytes, totalData));
return(Helpers.Networking.TrimExcessByteData(bytes, totalData - 1));
}
catch (Exception e)
{
Console.WriteLine(e);
throw e;
}
}
public byte[] MakeRequest(CameraRequest request)
{
//check for valid input
if (!socket.Connected)
{
throw new Exception("Socket needs to be connnected");
}
//send the request to the camera
string sendRequest = ((int)request) + Constants.EndOfMessage;
SendData(socket, sendRequest);
sentData.WaitOne();
//wait for the request data
StateObject state = new StateObject {
WorkSocket = socket
};
try
{
socket.BeginReceive(state.Buffer, 0, Constants.ByteArraySize, 0, ReceiveDataComplete, state);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
recieveData.WaitOne();
return(state.Buffer);
}
private byte[] PropertyRequest(CameraRequest request)
{
CommandBuilder builder = new CommandBuilder().Request(request);
if (request == CameraRequest.Alive || request == CameraRequest.SendTestImage)
{
return(builder.Build());
}
builder.AddParam("id", ImageSetName);
return(builder.Build());
}
// POST api/values
public IHttpActionResult Post([FromBody] CameraRequestDto req)
{
try
{
CameraRequest data = mapper.Map <CameraRequestDto, CameraRequest>(req);
data.Date = DateTime.Now;
context.CameraRequest.Add(data);
context.SaveChanges();
return(Ok());
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// <see cref="IVideoService.GetCameras(CameraRequest)"/>
/// </summary>
public async Task <ListBaseResponse <CameraResponse> > GetCameras(CameraRequest request)
{
var result = await _hikHttp.PostAsync <HikVisionResponse <ListBaseResponse <CameraResponse> > >(
"/api/resource/v1/camera/advance/cameraList", new
{
pageNo = request.PageNo,
pageSize = request.PageSize,
cameraIndexCodes = request.CameraIndexCodes != null ? string.Join(',', request.CameraIndexCodes) : "",
cameraName = request.CameraName,
encodeDevIndexCode = request.EncodeDevIndexCode,
regionIndexCode = request.RegionIndexCode,
isCascade = request.IsCascade
});
return(result?.Data);
}
public async Task <IActionResult> AddCamera([FromBody] CameraRequest req)
{
if (!ModelState.IsValid)
{
return(BadRequest("Invalid data."));
}
var _camera = new Camera
{
IpAddress = req.Url,
Client = Mapper.Map <ClientDTO, Client>(req.Client)
};
await _service.AddCamera(_camera);
return(Ok());
}
public void CaptureImageSet(CameraRequest wanted)
{
if (!CheckDone())
{
return;
}
UpdateCameraParams(wanted);
for (int i = 0; i < cameraThreads.Length; i++)
{
if (cameraThreads[i] != null && cameraThreads[i].IsAlive)
{
threadConfiguration[i].ImageSetName = imagesetId.ToString();
threadConfiguration[i].Request = wanted;
}
}
}
public CommandReader(byte[] data)
{
Parameters = new Dictionary <string, string>();
string[] listed = Regex.Split(Encoding.ASCII.GetString(StripToBasicMessage(data)), Constants.ParamSeperator);
CameraRequest pre;
CameraRequest.TryParse(listed[0], out pre);
Request = pre;
for (int i = 1; i < listed.Length; i++)
{
int sepindex = listed[i].IndexOf(Constants.ParamKeyValueSeperator);
string key = listed[i].Substring(0, sepindex);
string value = listed[i].Substring(sepindex + 1, listed[i].Length - sepindex - 1);
Parameters.Add(key, value);
}
}
public static byte[] getSnapshot(Command command)
{
byte[] returnData;
CameraRequest request = (CameraRequest)Util.Serialization.deserialize(command.data);
if (Webcam.mostRecent == null)
{
return(new byte[] { });
}
using (MemoryStream mem = new MemoryStream())
{
using (Bitmap target = (Bitmap)Webcam.mostRecent.Clone())
{
EncoderParameters ep = new EncoderParameters();
ep.Param[0] = new EncoderParameter(Encoder.Quality, (long)request.compressLevel);
target.Save(mem, getEncoderInfo("image/jpeg"), ep);
returnData = mem.ToArray();
}
}
return(returnData);
}
private void InternalProcess(CameraRequest request)
{
Console.WriteLine("Executing request: " + request);
byte[] messageData;
switch (request)
{
case CameraRequest.Alive:
messageData = Encoding.ASCII.GetBytes(Constants.SuccessString + Constants.EndOfMessage);
break;
case CameraRequest.SendFullResImage:
string imageLocation = camera.CaptureImage(imageName);
messageData = ByteHelpers.FileToBytes(imageLocation);
SendResponse(client, EndOfMessage(messageData));
if (File.Exists(imageLocation))
{
File.Delete(imageLocation);
}
return;
case CameraRequest.SendTestImage:
//For testing, send a static image saved on the device
messageData = ByteHelpers.FileToBytes(Path.DirectorySeparatorChar + "scanimage" + Path.DirectorySeparatorChar + "test.jpg");
SendResponse(client, EndOfMessage(messageData));
return;
case CameraRequest.SetProporties:
return;
default:
messageData = FailedRequest();
break;
}
SendResponse(client, EndOfMessage(messageData));
}
private void UpdateCameraParams(CameraRequest image)
{
if (image == CameraRequest.Alive ||
image == CameraRequest.SendTestImage ||
image == CameraRequest.SetProporties)
{
return;
}
//iterate the image identifier name
if (image == CameraRequest.SendFullResImage)
{
++imagesetId;
Directory.CreateDirectory(savePath + Path.DirectorySeparatorChar + "set-" + imagesetId);
foreach (CameraThread thread in threadConfiguration)
{
thread.SavePath = savePath + Path.DirectorySeparatorChar + "set-" + imagesetId;
}
}
}
private void CaptureImage(CameraRequest action, Socket connection)
{
Console.WriteLine("Thread Active" + action + ", Socket " + connection.LocalEndPoint);
}
public async Task <ListBaseResponse <CameraResponse> > GetCamerasByCondition(CameraRequest request)
{
return(await _videoService.GetCameras(request));
}
public CommandBuilder Request(CameraRequest request)
{
command += (int)request;
return(this);
}