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using FellowOakDicom.Network;
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using FellowOakDicom;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using IRaCIS.Core.SCP.Service;
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using IRaCIS.Core.Domain.Models;
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using IRaCIS.Core.Infra.EFCore;
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using Medallion.Threading;
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using IRaCIS.Core.Domain.Share;
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using Serilog;
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using Microsoft.EntityFrameworkCore.Storage.ValueConversion.Internal;
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using Microsoft.Extensions.Options;
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using System.Data;
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using FellowOakDicom.Imaging;
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using SharpCompress.Common;
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using SixLabors.ImageSharp.Formats.Jpeg;
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using IRaCIS.Core.Infrastructure;
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namespace IRaCIS.Core.SCP.Service
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{
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/// <summary>
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/// 后台托管服务的方式运行
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/// </summary>
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//public class CStoreSCPHostedService : IHostedService
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//{
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// private readonly ILogger<CStoreSCPHostedService> _logger;
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// private readonly IDicomServerFactory _dicomServerFactory;
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// private IDicomServer? _server;
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// public CStoreSCPHostedService(ILogger<CStoreSCPHostedService> logger, IDicomServerFactory dicomServerFactory)
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// {
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// _logger = logger ?? throw new ArgumentNullException(nameof(logger));
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// _dicomServerFactory = dicomServerFactory ?? throw new ArgumentNullException(nameof(dicomServerFactory));
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// }
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// public async Task StartAsync(CancellationToken cancellationToken)
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// {
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// _logger.LogInformation("Starting DICOM server");
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// _server = _dicomServerFactory.Create<CStoreSCPService>(104);
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// _logger.LogInformation("DICOM server is running");
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// }
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// public Task StopAsync(CancellationToken cancellationToken)
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// {
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// if (_server != null)
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// {
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// _server.Stop();
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// _server.Dispose();
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// _server = null;
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// }
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// return Task.CompletedTask;
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// }
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//}
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public class DicomSCPServiceOption
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{
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public List<string> CalledAEList { get; set; }
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public string ServerPort { get; set; }
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}
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public class CStoreSCPService : DicomService, IDicomServiceProvider, IDicomCStoreProvider, IDicomCEchoProvider
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{
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private IServiceProvider _serviceProvider { get; set; }
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private List<Guid> _SCPStudyIdList { get; set; } = new List<Guid>();
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private SCPImageUpload _upload { get; set; }
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private static readonly DicomTransferSyntax[] _acceptedTransferSyntaxes = new DicomTransferSyntax[]
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{
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DicomTransferSyntax.ExplicitVRLittleEndian,
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DicomTransferSyntax.ExplicitVRBigEndian,
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DicomTransferSyntax.ImplicitVRLittleEndian
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};
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private static readonly DicomTransferSyntax[] _acceptedImageTransferSyntaxes = new DicomTransferSyntax[]
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{
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// Lossless
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DicomTransferSyntax.JPEGLSLossless,
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DicomTransferSyntax.JPEG2000Lossless,
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DicomTransferSyntax.JPEGProcess14SV1,
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DicomTransferSyntax.JPEGProcess14,
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DicomTransferSyntax.RLELossless,
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// Lossy
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DicomTransferSyntax.JPEGLSNearLossless,
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DicomTransferSyntax.JPEG2000Lossy,
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DicomTransferSyntax.JPEGProcess1,
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DicomTransferSyntax.JPEGProcess2_4,
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// Uncompressed
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DicomTransferSyntax.ExplicitVRLittleEndian,
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DicomTransferSyntax.ExplicitVRBigEndian,
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DicomTransferSyntax.ImplicitVRLittleEndian
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};
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public CStoreSCPService(INetworkStream stream, Encoding fallbackEncoding, Microsoft.Extensions.Logging.ILogger log, DicomServiceDependencies dependencies)
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: base(stream, fallbackEncoding, log, dependencies)
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{
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}
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public Task OnReceiveAssociationRequestAsync(DicomAssociation association)
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{
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_upload = new SCPImageUpload() { StartTime = DateTime.Now, CallingAE = association.CallingAE, CalledAE = association.CalledAE, CallingAEIP = association.RemoteHost };
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Log.Logger.Warning($"接收到来自{association.CallingAE}的连接");
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_serviceProvider = (IServiceProvider)this.UserState;
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var option = _serviceProvider.GetService<IOptionsMonitor<DicomSCPServiceOption>>().CurrentValue;
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var calledAEList = option.CalledAEList;
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if (!calledAEList.Contains(association.CalledAE))
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//if (association.CalledAE != "STORESCP")
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{
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Log.Logger.Warning($"拒绝CalledAE:{association.CalledAE}的连接");
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return SendAssociationRejectAsync(
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DicomRejectResult.Permanent,
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DicomRejectSource.ServiceUser,
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DicomRejectReason.CalledAENotRecognized);
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}
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foreach (var pc in association.PresentationContexts)
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{
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if (pc.AbstractSyntax == DicomUID.Verification)
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{
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pc.AcceptTransferSyntaxes(_acceptedTransferSyntaxes);
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}
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else if (pc.AbstractSyntax.StorageCategory != DicomStorageCategory.None)
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{
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pc.AcceptTransferSyntaxes(_acceptedImageTransferSyntaxes);
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}
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}
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return SendAssociationAcceptAsync(association);
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}
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public async Task OnReceiveAssociationReleaseRequestAsync()
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{
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await DataMaintenanceAsaync();
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//记录监控
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var _SCPImageUploadRepository = _serviceProvider.GetService<IRepository<SCPImageUpload>>();
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_upload.EndTime = DateTime.Now;
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_upload.StudyCount = _SCPStudyIdList.Count;
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await _SCPImageUploadRepository.AddAsync(_upload,true);
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await SendAssociationReleaseResponseAsync();
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}
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private async Task DataMaintenanceAsaync()
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{
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Log.Logger.Warning($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE}传输结束：开始维护数据，处理检查Modality 以及自动创建访视，绑定检查");
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//var patientStudyService = _serviceProvider.GetService<IPatientStudyService>();
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//await patientStudyService.AutoBindingPatientStudyVisitAsync(_SCPStudyIdList);
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//处理检查Modality
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var _dictionaryRepository = _serviceProvider.GetService<IRepository<Dictionary>>();
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var _seriesRepository = _serviceProvider.GetService<IRepository<SCPSeries>>();
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var _studyRepository = _serviceProvider.GetService<IRepository<SCPStudy>>();
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var dicModalityList = _dictionaryRepository.Where(t => t.Code == "Modality").SelectMany(t => t.ChildList.Select(c => c.Value)).ToList();
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var seriesModalityList = _seriesRepository.Where(t => _SCPStudyIdList.Contains(t.StudyId)).Select(t => new { SCPStudyId = t.StudyId, t.Modality }).ToList();
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foreach (var g in seriesModalityList.GroupBy(t => t.SCPStudyId))
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{
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var modality = string.Join('、', g.Select(t => t.Modality).Distinct().ToList());
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//特殊逻辑
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var modalityForEdit = dicModalityList.Contains(modality) ? modality : String.Empty;
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if (modality == "MR")
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{
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modalityForEdit = "MRI";
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}
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if (modality == "PT")
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{
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modalityForEdit = "PET";
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}
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if (modality == "PT、CT" || modality == "CT、PT")
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{
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modalityForEdit = "PET-CT";
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}
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await _studyRepository.BatchUpdateNoTrackingAsync(t => t.Id == g.Key, u => new SCPStudy() { Modalities = modality, ModalityForEdit = modalityForEdit });
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}
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Log.Logger.Warning($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE}维护数据结束");
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}
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public void OnReceiveAbort(DicomAbortSource source, DicomAbortReason reason)
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{
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Log.Logger.Warning($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE}接收中断，中断原因：{source.ToString() + reason.ToString()}");
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/* nothing to do here */
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}
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public async void OnConnectionClosed(Exception exception)
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{
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/* nothing to do here */
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//奇怪的bug 上传的时候，用王捷修改的影像，会关闭，重新连接，导致检查id 丢失，然后状态不一致
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if (exception == null)
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{
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var _studyRepository = _serviceProvider.GetService<IRepository<SCPStudy>>();
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//将检查设置为传输结束
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await _studyRepository.BatchUpdateNoTrackingAsync(t => _SCPStudyIdList.Contains(t.Id), u => new SCPStudy() { IsUploadFinished = true });
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await _studyRepository.SaveChangesAndClearAllTrackingAsync();
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}
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Log.Logger.Warning($"连接关闭 {exception?.Message} {exception?.InnerException?.Message}");
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}
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public async Task<DicomCStoreResponse> OnCStoreRequestAsync(DicomCStoreRequest request)
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{
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string studyInstanceUid = request.Dataset.GetString(DicomTag.StudyInstanceUID);
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string seriesInstanceUid = request.Dataset.GetString(DicomTag.SeriesInstanceUID);
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string sopInstanceUid = request.Dataset.GetString(DicomTag.SOPInstanceUID);
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Guid seriesId = IdentifierHelper.CreateGuid(studyInstanceUid, seriesInstanceUid);
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Guid instanceId = IdentifierHelper.CreateGuid(studyInstanceUid, seriesInstanceUid, sopInstanceUid);
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var ossService = _serviceProvider.GetService<IOSSService>();
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var dicomArchiveService = _serviceProvider.GetService<IDicomArchiveService>();
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var _seriesRepository = _serviceProvider.GetService<IRepository<SCPSeries>>();
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var _distributedLockProvider = _serviceProvider.GetService<IDistributedLockProvider>();
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var storeRelativePath = string.Empty;
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var ossFolderPath = $"Dicom/{studyInstanceUid}";
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long fileSize = 0;
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try
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{
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using (MemoryStream ms = new MemoryStream())
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{
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await request.File.SaveAsync(ms);
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//irc 从路径最后一截取Guid
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storeRelativePath = await ossService.UploadToOSSAsync(ms, ossFolderPath, instanceId.ToString(), false);
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fileSize = ms.Length;
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}
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Log.Logger.Information($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE} {request.SOPInstanceUID} 上传完成 ");
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}
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catch (Exception ec)
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{
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Log.Logger.Warning($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE} 上传异常 {ec.Message}");
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}
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var @lock = _distributedLockProvider.CreateLock($"{studyInstanceUid}");
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using (await @lock.AcquireAsync())
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{
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try
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{
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var scpStudyId = await dicomArchiveService.ArchiveDicomFileAsync(request.Dataset, storeRelativePath, Association.CallingAE, Association.CalledAE);
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if (!_SCPStudyIdList.Contains(scpStudyId))
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{
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_SCPStudyIdList.Add(scpStudyId);
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}
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var series = await _seriesRepository.FindAsync(seriesId);
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//没有缩略图
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if (series != null && string.IsNullOrEmpty(series.ImageResizePath))
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{
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// 生成缩略图
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using (var memoryStream = new MemoryStream())
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{
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DicomImage image = new DicomImage(request.Dataset);
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var sharpimage = image.RenderImage().AsSharpImage();
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sharpimage.Save(memoryStream, new JpegEncoder());
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// 上传缩略图到 OSS
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var seriesPath = await ossService.UploadToOSSAsync(memoryStream, ossFolderPath, seriesId.ToString() + ".preview.jpg", false);
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Console.WriteLine(seriesPath + " Id: " + seriesId);
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series.ImageResizePath = seriesPath;
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//await _seriesRepository.BatchUpdateNoTrackingAsync(t => t.Id == seriesId, u => new SCPSeries() { ImageResizePath = seriesPath });
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}
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}
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await _seriesRepository.SaveChangesAsync();
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}
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catch (Exception ex)
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{
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Log.Logger.Warning($"CallingAE:{Association.CallingAE} CalledAE:{Association.CalledAE} 传输处理异常：{ex.ToString()}");
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}
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}
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//监控信息设置
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_upload.FileCount++;
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_upload.FileSize= _upload.FileSize+ fileSize;
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return new DicomCStoreResponse(request, DicomStatus.Success);
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}
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public Task OnCStoreRequestExceptionAsync(string tempFileName, Exception e)
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{
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// let library handle logging and error response
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return Task.CompletedTask;
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}
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public Task<DicomCEchoResponse> OnCEchoRequestAsync(DicomCEchoRequest request)
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{
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return Task.FromResult(new DicomCEchoResponse(request, DicomStatus.Success));
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}
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}
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}
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Reference in New Issue
Block a user