public static void InstanceDataThread(object obj)
{
AsyncInstanceData aidata = obj as AsyncInstanceData;
aidata.semaphore.WaitOne();
try
{
WebRequest request = WebRequest.Create(aidata.url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (Stream dataStream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(dataStream);
string res = reader.ReadToEnd();
reader.Close();
aidata.item.fname = string.Format("{0:D4}", (int)JObject.Parse(res)["IndexInSeries"]);
}
response.Close();
}
catch (Exception e)
{
Log.WriteLog(e.Message);
}
aidata.semaphore.Release();
}
public static string Download(Config config, string patientID, string studyID, bool radiant)
{
string host = config.GetConfigSourceOption("resthost");
string tempPath = GetTempPath();
string baseDir = "";
try
{
//base folder
baseDir = UniqueFolderName(tempPath);
string baseTempPath = tempPath + baseDir + "\\";
Directory.CreateDirectory(baseTempPath);
//patient
string jsonPatient = GetJSON(host, "patients", patientID);
JObject jPatient = JObject.Parse(jsonPatient);
DICOMFolder dfPatient = new DICOMFolder();
dfPatient.id = patientID;
dfPatient.path = baseTempPath + GetUniqueName(baseTempPath, (string)jPatient["MainDicomTags"]["PatientName"], false) + "\\";
Directory.CreateDirectory(dfPatient.path);
//study(ies)
List <DICOMFolder> dfStudies = new List <DICOMFolder>();
if (studyID != null && studyID.Length > 0)
{
DICOMFolder dfStudy = new DICOMFolder();
dfStudy.id = studyID;
dfStudies.Add(dfStudy);
}
else
{
foreach (JToken jStudyID in (JArray)jPatient["Studies"])
{
DICOMFolder dfStudy = new DICOMFolder();
dfStudy.id = (string)jStudyID;
dfStudies.Add(dfStudy);
}
}
List <DICOMFile> dfInstances = new List <DICOMFile>();
foreach (DICOMFolder dfStudy in dfStudies)
{
try
{
string jsonStudy = GetJSON(host, "studies", dfStudy.id);
JObject jStudy = JObject.Parse(jsonStudy);
dfStudy.path = dfPatient.path + GetUniqueName(dfPatient.path,
(string)jStudy["MainDicomTags"]["StudyDate"] + " " + (string)jStudy["MainDicomTags"]["StudyTime"] + " " + (string)jStudy["MainDicomTags"]["StudyDescription"], false) + "\\";
Directory.CreateDirectory(dfStudy.path);
//series
List <DICOMFolder> dfSeries = new List <DICOMFolder>();
foreach (JToken jSeriesID in (JArray)jStudy["Series"])
{
try
{
DICOMFolder dfSer = new DICOMFolder();
dfSer.id = (string)jSeriesID;
dfSeries.Add(dfSer);
string jsonSer = GetJSON(host, "series", dfSer.id);
JObject jSer = JObject.Parse(jsonSer);
dfSer.path = dfStudy.path + GetUniqueName(dfStudy.path,
(string)jSer["MainDicomTags"]["SeriesNumber"] + " " + (string)jSer["MainDicomTags"]["SeriesDescription"], false) + "\\";
Directory.CreateDirectory(dfSer.path);
//instances
int i = 0;
foreach (JToken jInstanceID in (JArray)jSer["Instances"])
{
try
{
DICOMFile dfInstance = new DICOMFile();
dfInstance.id = (string)jInstanceID;
dfInstance.path = dfSer.path;
dfInstance.fname = string.Format("{0:D4}", ++i);
dfInstances.Add(dfInstance);
}
catch (Exception e)
{
Log.WriteLog("Failed to get instance's data: " + e.Message);
}
}
}
catch (Exception e)
{
Log.WriteLog("Failed to get series' data: " + e.Message);
}
}
}
catch (Exception e)
{
Log.WriteLog("Failed to get study's data: " + e.Message);
}
}
//correct instance file name
int simultaneousNum = config.GetConfigInt("simultaneousThreads", 10);
Semaphore semaphore = new Semaphore(simultaneousNum, simultaneousNum);
List <Thread> threads = new List <Thread>(dfInstances.Count);
foreach (DICOMFile instance in dfInstances)
{
try
{
AsyncInstanceData aid = new AsyncInstanceData();
aid.semaphore = semaphore;
aid.url = host + "instances/" + instance.id;
aid.item = instance;
Thread thread = new Thread(InstanceDataThread);
threads.Add(thread);
thread.Start(aid);
}
catch (Exception e)
{
Log.WriteLog("Failed to get instance data: " + e.Message);
}
}
bool allDone = false;
while (!allDone)
{
bool join = true;
foreach (Thread thread in threads)
{
join = thread.Join(30);
if (!join)
{
break;
}
}
allDone = join;
}
threads.Clear();
//instances' files
simultaneousNum = config.GetConfigInt("simultaneousInstanceThreads", 10);
semaphore = new Semaphore(simultaneousNum, simultaneousNum);
threads = new List <Thread>(dfInstances.Count);
foreach (DICOMFile instance in dfInstances)
{
try
{
AsyncFileData afd = new AsyncFileData();
afd.semaphore = semaphore;
afd.url = host + "instances/" + instance.id + "/file";
afd.path = instance.path;
afd.fname = instance.fname;
afd.timeout = config.GetConfigInt("restTimeout", 300000);
Thread thread = new Thread(DownloadThread);
threads.Add(thread);
thread.Start(afd);
}
catch (Exception e)
{
Log.WriteLog("Failed to download instances: " + e.Message);
}
}
allDone = false;
while (!allDone)
{
bool join = true;
foreach (Thread thread in threads)
{
join = thread.Join(30);
if (!join)
{
break;
}
}
allDone = join;
}
threads.Clear();
}
catch (Exception e)
{
Log.WriteLog("Failed to get patient's data: " + e.Message);
}
return(Compress(baseDir, radiant, config.GetConfigInt("compressionLevel", 0)));
}
