public virtual IEnumerable<DicomCFindResponse> OnCFindRequest(DicomCFindRequest request)
{
DicomStatus status = DicomStatus.Success;
IList<DicomDataset> queries;
List<DicomCFindResponse> responses = new List<DicomCFindResponse>();
if (OnZSCFindRequest != null)
{
//此处通过代理来返回在服务端本机进行的操作结果，也就是DICOM协议中说的匹配查询结果
queries = OnZSCFindRequest(request);
if (queries != null)
{
Logger.Info("查询到{0}个数据", queries.Count);
foreach (var item in queries)
{
//对于每一个查询匹配的结果，都需要有一个单独的C-FIND-RSP消息来返回到请求端
//【注】：每次发送的状态都必须是Pending，表明后续还会继续发送查询结果
DicomCFindResponse rsp = new DicomCFindResponse(request, DicomStatus.Pending);
rsp.Dataset = item;
responses.Add(rsp);
}
}
else
{
status = DicomStatus.QueryRetrieveOutOfResources;
}
}
//随后需要发送查询结束的状态，即Success到C-FIND SCU端
responses.Add(new DicomCFindResponse(request, DicomStatus.Success));
//这里貌似是一起将多个response发送出去的？需要后续在研究一下DicomService中的实现代码
//搞清楚具体的发送机制
return responses;
}
public async Task OnCFindRequestAsync_ImmediateSuccess_ShouldRespond()
{
var port = Ports.GetNext();
using (DicomServer.Create <ImmediateSuccessAsyncDicomCFindProvider>(port, logger: _logger.IncludePrefix("DicomServer")))
{
var client = new Client.DicomClient("127.0.0.1", port, false, "SCU", "ANY-SCP")
{
Logger = _logger.IncludePrefix(typeof(DicomClient).Name)
};
DicomCFindResponse response = null;
DicomRequest.OnTimeoutEventArgs timeout = null;
var request = new DicomCFindRequest(DicomQueryRetrieveLevel.Study)
{
OnResponseReceived = (req, res) => response = res,
OnTimeout = (sender, args) => timeout = args
};
await client.AddRequestAsync(request).ConfigureAwait(false);
await client.SendAsync().ConfigureAwait(false);
Assert.NotNull(response);
Assert.Equal(DicomStatus.Success, response.Status);
Assert.Null(timeout);
}
}
public void Constructor_ResponseCallbackIsCalled()
{
// Arrange
var mockProvider = new MockProvider();
var fellowOakMockProvider = new FellowOakMockProvider();
var whereCollection = mockProvider.GetWhereCollection();
var infoBuilder = mockProvider.GetDicomInfoBuilderFake();
infoBuilder.BuildInfo<TestInfo>(Arg.Any<object>()).Returns(new TestInfo
{
PatientID = 666,
PatientName = "patientName"
});
var response = new DicomCFindResponse(new DicomDataset())
{
Dataset = new DicomDataset()
};
TestInfo responseItem = null;
var responseAction = new Action<TestInfo>(item =>
{
responseItem = item;
});
// Act
var dicomFindRequest = new FellowOakDicomFindRequest<TestInfo>(mockProvider.GetDicomMappingFake(), fellowOakMockProvider.GetDicomTagAdapterFake(), infoBuilder, mockProvider.GetGeneralizedInfoProviderFake(), fellowOakMockProvider.GetDicomSopClassUidProviderFake(), responseAction, whereCollection.GetDicomWhereCollections().First());
var innerRequest = (DicomCFindRequest)dicomFindRequest.InnerRequest;
innerRequest.OnResponseReceived(null, response);
// Assert
Assert.That(responseItem.PatientID, Is.EqualTo(666));
Assert.That(responseItem.PatientName, Is.EqualTo("patientName"));
}
public IEnumerable<DicomCFindResponse> OnCFindRequest(DicomCFindRequest request)
{
IList<DicomCFindResponse> responses=new List<DicomCFindResponse>();
//固定返回C-FIND-RSP给客户端
for (int i = 0; i < 2; ++i)
{
DicomCFindResponse response = new DicomCFindResponse(request, DicomStatus.Pending) { Dataset = request.Dataset };
response.Completed = i+100;
responses.Add(response);
}
DicomCFindResponse rsp = new DicomCFindResponse(request, DicomStatus.Success) { Dataset = request.Dataset };
rsp.Completed = 2234;
responses.Add(rsp);
return responses;
}