public WADOResponse Process(WADORequestTypeHandlerContext context)
{
//Validate(context.HttpContext.Request);
ObjectStreamingHandlerFactory factory = new ObjectStreamingHandlerFactory();
IObjectStreamingHandler handler = factory.CreateHandler(context.HttpContext.Request);
return handler.Process(context);
}
public WADOResponse Process(WADORequestTypeHandlerContext context)
{
Platform.CheckForNullReference(context, "httpContext");
Platform.CheckForNullReference(context.ServerAE, "context.ServerAE");
Platform.CheckForNullReference(context.HttpContext, "context.HttpContext");
// Cache the query string for performance purpose. Every time Request.QueryString is called, .NET will rebuild the entire dictionary.
NameValueCollection query = context.HttpContext.Request.QueryString;
ServerPartition partition = ServerPartitionMonitor.Instance.GetPartition(context.ServerAE);
if (partition == null)
{
throw new WADOException(HttpStatusCode.NotFound, String.Format(SR.FaultPartitionNotExists, context.ServerAE));
}
if (!partition.Enabled)
{
throw new WADOException(HttpStatusCode.Forbidden, String.Format(SR.FaultPartitionDisabled, context.ServerAE));
}
ImageStreamingContext streamingContext = new ImageStreamingContext(context.HttpContext);
streamingContext.ServerAE = context.ServerAE;
streamingContext.ContentType = query["ContentType"];
streamingContext.AcceptTypes = context.HttpContext.Request.AcceptTypes;
streamingContext.StudyInstanceUid = query["studyuid"];
streamingContext.SeriesInstanceUid = query["seriesuid"];
streamingContext.ObjectUid = query["objectuid"];
string sessionId = context.HttpContext.Request.RemoteEndPoint.Address.ToString();
StudyStorageLoader storageLoader = new StudyStorageLoader(sessionId);
storageLoader.CacheEnabled = ImageStreamingServerSettings.Default.EnableCache;
storageLoader.CacheRetentionTime = ImageStreamingServerSettings.Default.CacheRetentionWindow;
streamingContext.StorageLocation = storageLoader.Find(streamingContext.StudyInstanceUid, partition);
// convert the dicom image into the appropriate mime type
WADOResponse response = new WADOResponse();
IImageMimeTypeProcessor processor = GetMimeTypeProcessor(streamingContext);
MimeTypeProcessorOutput output = processor.Process(streamingContext);
response.Output = output.Output;
response.ContentType = output.ContentType;
response.IsLast = output.IsLast;
return(response);
}
public WADOResponse Process(WADORequestTypeHandlerContext context)
{
Platform.CheckForNullReference(context, "httpContext");
Platform.CheckForNullReference(context.ServerAE, "context.ServerAE");
Platform.CheckForNullReference(context.HttpContext, "context.HttpContext");
// Cache the query string for performance purpose. Every time Request.QueryString is called, .NET will rebuild the entire dictionary.
NameValueCollection query = context.HttpContext.Request.QueryString;
ServerPartition partition = ServerPartitionMonitor.Instance.GetPartition(context.ServerAE);
if (partition== null)
throw new WADOException(HttpStatusCode.NotFound, String.Format(SR.FaultPartitionNotExists, context.ServerAE));
if (!partition.Enabled)
throw new WADOException(HttpStatusCode.Forbidden, String.Format(SR.FaultPartitionDisabled, context.ServerAE));
ImageStreamingContext streamingContext = new ImageStreamingContext(context.HttpContext);
streamingContext.ServerAE = context.ServerAE;
streamingContext.ContentType = query["ContentType"];
streamingContext.AcceptTypes = context.HttpContext.Request.AcceptTypes;
streamingContext.StudyInstanceUid = query["studyuid"];
streamingContext.SeriesInstanceUid = query["seriesuid"];
streamingContext.ObjectUid = query["objectuid"];
string sessionId = context.HttpContext.Request.RemoteEndPoint.Address.ToString();
StudyStorageLoader storageLoader = new StudyStorageLoader(sessionId);
storageLoader.CacheEnabled = ImageStreamingServerSettings.Default.EnableCache;
storageLoader.CacheRetentionTime = ImageStreamingServerSettings.Default.CacheRetentionWindow;
streamingContext.StorageLocation = storageLoader.Find(streamingContext.StudyInstanceUid, partition);
// convert the dicom image into the appropriate mime type
WADOResponse response = new WADOResponse();
IImageMimeTypeProcessor processor = GetMimeTypeProcessor(streamingContext);
MimeTypeProcessorOutput output = processor.Process(streamingContext);
response.Output = output.Output;
response.ContentType = output.ContentType;
response.IsLast = output.IsLast;
return response;
}
private static void HandleRequest(HttpListenerContext context)
{
WADORequestProcessorStatistics statistics = new WADORequestProcessorStatistics("Image Streaming");
statistics.TotalProcessTime.Start();
LogRequest(context);
try
{
using (WADORequestTypeHandlerManager handlerManager = new WADORequestTypeHandlerManager())
{
string requestType = context.Request.QueryString["requestType"];
IWADORequestTypeHandler typeHandler = handlerManager.GetHandler(requestType);
WADORequestTypeHandlerContext ctx = new WADORequestTypeHandlerContext
{
HttpContext = context,
ServerAE = UriHelper.GetServerAE(context)
};
using (WADOResponse response = typeHandler.Process(ctx))
{
if (response != null)
{
statistics.TransmissionSpeed.Start();
SendWADOResponse(response, context);
statistics.TransmissionSpeed.End();
if (response.Output != null)
{
statistics.TransmissionSpeed.SetData(response.Output.Length);
}
}
}
}
}
catch(MimeTypeProcessorError error)
{
SendError(error.HttpError, context);
}
statistics.TotalProcessTime.End();
StatisticsLogger.Log(LogLevel.Debug, statistics);
}
private static void HandleRequest(HttpListenerContext context)
{
WADORequestProcessorStatistics statistics;
if (Platform.IsLogLevelEnabled(LogLevel.Debug))
{
statistics = new WADORequestProcessorStatistics("Image Streaming");
statistics.TotalProcessTime.Start();
//Don't hold up this thread for logging.
Task.Factory.StartNew(() => LogRequest(context));
}
else
{
statistics = null;
}
try
{
using (WADORequestTypeHandlerManager handlerManager = new WADORequestTypeHandlerManager())
{
string requestType = context.Request.QueryString["requestType"];
IWADORequestTypeHandler typeHandler = handlerManager.GetHandler(requestType);
WADORequestTypeHandlerContext ctx = new WADORequestTypeHandlerContext
{
HttpContext = context,
ServerAE = UriHelper.GetServerAE(context)
};
using (WADOResponse response = typeHandler.Process(ctx))
{
if (response != null)
{
if (statistics != null)
statistics.TransmissionSpeed.Start();
SendWADOResponse(response, context);
if (statistics != null)
statistics.TransmissionSpeed.End();
if (statistics != null && response.Output != null)
statistics.TransmissionSpeed.SetData(response.Output.Length);
}
}
}
}
catch(MimeTypeProcessorError error)
{
SendError(error.HttpError, context);
}
if (statistics != null)
statistics.TotalProcessTime.End();
//Seems like something you'd only want to log if there was a problem.
if (Platform.IsLogLevelEnabled(LogLevel.Debug))
{
//Don't hold up this thread for logging.
Task.Factory.StartNew(() => StatisticsLogger.Log(LogLevel.Debug, statistics));
}
}
