public void TryAddOrUpdateVideoSource(BcDevices device)
{
this.TryToRemoveVideoSource(device.Id);
string connectionString = VideoServer.GetDeviceConnectionString(device);
IReadOnlyDictionary <string, string> deviceOptions = VideoServer.GetDeviceOptions(device);
CS.VideoSources.Core.IVideoSource videoSource = VideoServer.CreateVideoSource(device.Type, connectionString, device.Login, device.Password, deviceOptions);
if (videoSource != null)
{
this.VideoSources.Add(device.Id, videoSource);
videoSource.VideoSourceError += new CS.VideoSources.Core.VideoSourceErrorEventHandler(this.HandleVideoSourceError);
}
if (videoSource != null)
{
return;
}
this._logger.WarnFormat("Unable to create Video source of type {0} and id {1}", (object)device.Type, (object)device.Id);
}
private static void PrepareDirectories(string serviceName)
{
VideoServer instance = VideoServerContractImpl.Instance;
instance.ApplicationFolder = PathExtensions.GetProductAppDataFolder(serviceName);
instance.ImageFolder = Path.Combine(instance.ApplicationFolder, "Images");
try
{
PathExtensions.PrepareDirectory(instance.ApplicationFolder);
PathExtensions.PrepareDirectory(Path.Combine(instance.ApplicationFolder, "Faces"));
PathExtensions.PrepareDirectory(instance.ImageFolder);
PathExtensions.PrepareDirectory(Path.Combine(instance.ApplicationFolder, "Data"));
}
catch (Exception ex)
{
instance.Logger.Fatal((object)"Unable to create directory. Service stopped", ex);
throw;
}
}
private void AddOrUpdateVideoSources(IEnumerable <BcDevices> checkDevs)
{
foreach (BcDevices device in checkDevs)
{
bool flag = false;
string connectionString = VideoServer.GetDeviceConnectionString(device);
foreach (KeyValuePair <Guid, CS.VideoSources.Core.IVideoSource> keyValuePair in (IEnumerable <KeyValuePair <Guid, CS.VideoSources.Core.IVideoSource> >) this.VideoSources)
{
CS.VideoSources.Core.IVideoSource videoSource = keyValuePair.Value;
if (!(keyValuePair.Key != device.Id))
{
if (!string.Equals(videoSource.ConnectionString, connectionString, StringComparison.InvariantCultureIgnoreCase))
{
this.TryAddOrUpdateVideoSource(device);
}
flag = true;
break;
}
}
if (!flag)
{
this.TryAddOrUpdateVideoSource(device);
}
CS.VideoSources.Core.IVideoSource processedSource = this.VideoSources[device.Id];
if (device.IsActive && !processedSource.IsRunning)
{
try
{
this._logger.InfoFormat("Starting source {0} with connection string {1}", (object)processedSource.GetType(), (object)processedSource.ConnectionString);
processedSource.Start();
}
catch (Exception ex)
{
this._logger.Error((object)"Error starting source", ex);
this.TryToRemoveVideoSource(device.Id);
}
}
else if (!device.IsActive && processedSource.IsRunning)
{
this.StopSource(processedSource);
}
}
}
public CommonContracts.VideoFrame GetLastFrameFromDevice(Guid devId, bool deleteFrame)
{
try
{
this._performanceLogger.Info((object)string.Format("Request DevId = {0}", (object)devId));
if (!this.VideoSources.ContainsKey(devId))
{
return((CommonContracts.VideoFrame)null);
}
CS.VideoSources.Core.IVideoSource videoSource = this.VideoSources[devId];
if (!videoSource.IsRunning)
{
return((CommonContracts.VideoFrame)null);
}
using (CS.VideoSources.Core.VideoFrame currentFrame = videoSource.GetCurrentFrame(deleteFrame))
{
if (currentFrame == null)
{
return((CommonContracts.VideoFrame)null);
}
this._performanceLogger.Info((object)string.Format("Response DevId = {0} FrameId = {1}", (object)devId, (object)currentFrame.Index));
byte[] frameBytes = VideoServer.GetFrameBytes(currentFrame);
return(new CommonContracts.VideoFrame()
{
Frame = frameBytes,
FrameIndex = currentFrame.Index,
Date = DateTimeOffset.Now
});
}
}
catch (Exception ex)
{
this._logger.Error((object)ex);
}
return((CommonContracts.VideoFrame)null);
}
