コード例 #1
0
        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);
        }
コード例 #2
0
        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;
        }
コード例 #3
0
ファイル: HeaderLoader.cs プロジェクト: UIKit0/ClearCanvas
        public HeaderLoader(HeaderStreamingContext context)
        {
            _studyInstanceUid = context.Parameters.StudyInstanceUID;
            _partitionAE = context.Parameters.ServerAETitle;
			_statistics.FindStudyFolder.Start();
            string sessionId = context.CallerAE;
            
            ServerPartition partition = ServerPartitionMonitor.Instance.GetPartition(_partitionAE);

            StudyStorageLoader storageLoader = new StudyStorageLoader(sessionId);
            storageLoader.CacheEnabled = ImageStreamingServerSettings.Default.EnableCache;
            storageLoader.CacheRetentionTime = ImageStreamingServerSettings.Default.CacheRetentionWindow;
            StudyLocation = storageLoader.Find(_studyInstanceUid, partition);

            if (StudyLocation != null && StudyLocation.QueueStudyStateEnum != QueueStudyStateEnum.Idle)
            {
                Platform.Log(LogLevel.Warn, "Accessing to study {0} while its current state is {1}",
                             StudyLocation.StudyInstanceUid,  StudyLocation.QueueStudyStateEnum);
            }

            _statistics.FindStudyFolder.End();
        }