public IEnumerable <DicomCMoveResponse> OnCMoveRequest(DicomCMoveRequest request)
{
List <DicomCMoveResponse> response = new List <DicomCMoveResponse>();
List <Pathmodel> pathList = qrm.CMove(request.Dataset, request.Level);
DicomClient cstoreClient = new DicomClient();
try
{
foreach (Pathmodel p in pathList)
{
DicomCStoreRequest cstorerq = new DicomCStoreRequest(p.Path);
cstorerq.OnResponseReceived = (rq, rs) =>
{
if (rs.Status == DicomStatus.Success)
{
DicomCMoveResponse rsp = new DicomCMoveResponse(request, DicomStatus.Pending);
SendResponse(rsp);
}
};
cstoreClient.AddRequest(cstorerq);
cstoreClient.Send("127.0.0.1", 2222, false, this.Association.CalledAE, request.DestinationAE);
}
return(response);
}
catch
{
DicomCMoveResponse rs = new DicomCMoveResponse(request, DicomStatus.StorageStorageOutOfResources);
response.Add(rs);
return(response);
}
}
public async Task SendingMoveRequestToServerThatSendsPendingResponsesWithinTimeoutShouldNotTimeout()
{
var port = Ports.GetNext();
using (CreateServer <FastPendingResponsesDicomServer>(port))
{
var client = CreateClient(port);
client.ServiceOptions.RequestTimeout = TimeSpan.FromSeconds(2);
DicomCMoveResponse lastResponse = null;
var request = new DicomCMoveRequest("another-AE", "study123")
{
OnResponseReceived = (req, res) => lastResponse = res
};
DicomRequest.OnTimeoutEventArgs onTimeoutEventArgs = null;
request.OnTimeout += (sender, args) => onTimeoutEventArgs = args;
await client.AddRequestAsync(request).ConfigureAwait(false);
var sendTask = client.SendAsync();
var sendTimeoutCancellationTokenSource = new CancellationTokenSource();
var sendTimeout = Task.Delay(TimeSpan.FromSeconds(10), sendTimeoutCancellationTokenSource.Token);
var winner = await Task.WhenAny(sendTask, sendTimeout).ConfigureAwait(false);
sendTimeoutCancellationTokenSource.Cancel();
sendTimeoutCancellationTokenSource.Dispose();
Assert.Equal(winner, sendTask);
Assert.NotNull(lastResponse);
Assert.Equal(lastResponse.Status, DicomStatus.Success);
Assert.Null(onTimeoutEventArgs);
}
}
public virtual IEnumerable <DicomCMoveResponse> OnCMoveRequest(DicomCMoveRequest request)
{
DicomStatus status = DicomStatus.Success;
IList <DicomCMoveResponse> rsp = new List <DicomCMoveResponse>();
/*----to do------*/
//添加查询数据库的代码，即根据request的条件提取指定的图像
//然后将图像信息添加到rsp响应中
//创建C-STORE-SCU，发起C-STORE-RQ
IList <DicomDataset> queries;
DicomClient clt = new DicomClient();
if (OnZSCMoveRequest != null)
{
queries = OnZSCMoveRequest(request);
if (queries != null)
{
Logger.Info("需要发送{0}个数据", queries.Count);
int len = queries.Count;
int cnt = 0;
foreach (var item in queries)
{
//zssure：
//取巧的方法直接利用request来构造response中相同的部分
//这部分与mDCM方式很不同
var studyUid = item.Get <string>(DicomTag.StudyInstanceUID);
var instUid = item.Get <string>(DicomTag.SOPInstanceUID);
//需要在c:\cmovetest目录下手动添加C-MOVE SCU请求的图像
//本地构造的目录结构为，
// c:\cmovetest\12\0.dcm
// c:\cmovetest\12\1.dcm
// c:\cmovetest\12\2.dcm
var path = Path.GetFullPath(@"c:\cmovetest");
try
{
path = Path.Combine(path, studyUid);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
path = Path.Combine(path, instUid) + ".dcm";
DicomCStoreRequest cstorerq = new DicomCStoreRequest(path);
cstorerq.OnResponseReceived = (rq, rs) =>
{
if (rs.Status != DicomStatus.Pending)
{
}
if (rs.Status == DicomStatus.Success)
{
DicomCMoveResponse rsponse = new DicomCMoveResponse(request, DicomStatus.Pending);
rsponse.Remaining = --len;
rsponse.Completed = ++cnt;
rsponse.Warnings = 0;
rsponse.Failures = 0;
//zssure:2014-12-24
//修复发送C-MOVE-RSP的逻辑错误
SendResponse(rsponse);
//rsp.Add(rsponse);
//zssure:end
}
};
clt.AddRequest(cstorerq);
//注意：这里给出的IP地址与C-MOVE请求的IP地址相同，意思就是说C-MOVE SCP需要向C-MOVE SCU发送C-STORE-RQ请求
//将查询到的图像返回给C-MOVE SCU
//所以四尺C-STORE-RQ中的IP地址与C-MOVE SCU相同，但是端口不同，因为同一个端口不能被绑定多次。
clt.Send("127.0.0.1", 22345, false, this.Association.CalledAE, request.DestinationAE);
}
catch (System.Exception ex)
{
DicomCMoveResponse rs = new DicomCMoveResponse(request, DicomStatus.StorageStorageOutOfResources);
rsp.Add(rs);
return(rsp);
}
}
//zssure:
//发送完成后统一返回C-MOVE RESPONSE
//貌似响应流程有问题，有待进一步核实
//注意，如果最后为发送DicomStatus.Success消息，TCP连接不会释放，浪费资源
rsp.Add(new DicomCMoveResponse(request, DicomStatus.Success));
return(rsp);
}
else
{
rsp.Add(new DicomCMoveResponse(request, DicomStatus.NoSuchObjectInstance));
return(rsp);
}
}
rsp.Add(new DicomCMoveResponse(request, DicomStatus.NoSuchObjectInstance));
return(rsp);
}