void SimplifyTags(Json::Value& target,
const Json::Value& source,
DicomToJsonFormat format)
{
assert(source.isObject());
target = Json::objectValue;
Json::Value::Members members = source.getMemberNames();
for (size_t i = 0; i < members.size(); i++)
{
const Json::Value& v = source[members[i]];
const std::string& type = v["Type"].asString();
std::string name;
switch (format)
{
case DicomToJsonFormat_Human:
name = v["Name"].asString();
break;
case DicomToJsonFormat_Short:
name = members[i];
break;
default:
throw OrthancException(ErrorCode_ParameterOutOfRange);
}
if (type == "String")
{
target[name] = v["Value"].asString();
}
else if (type == "TooLong" ||
type == "Null")
{
target[name] = Json::nullValue;
}
else if (type == "Sequence")
{
const Json::Value& array = v["Value"];
assert(array.isArray());
Json::Value children = Json::arrayValue;
for (Json::Value::ArrayIndex i = 0; i < array.size(); i++)
{
Json::Value c;
SimplifyTags(c, array[i], format);
children.append(c);
}
target[name] = children;
}
else
{
assert(0);
}
}
}
void SimplifyTags(Json::Value& target,
const Json::Value& source)
{
assert(source.isObject());
target = Json::objectValue;
Json::Value::Members members = source.getMemberNames();
for (size_t i = 0; i < members.size(); i++)
{
const Json::Value& v = source[members[i]];
const std::string& name = v["Name"].asString();
const std::string& type = v["Type"].asString();
if (type == "String")
{
target[name] = v["Value"].asString();
}
else if (type == "TooLong" ||
type == "Null")
{
target[name] = Json::nullValue;
}
else if (type == "Sequence")
{
const Json::Value& array = v["Value"];
assert(array.isArray());
Json::Value children = Json::arrayValue;
for (Json::Value::ArrayIndex i = 0; i < array.size(); i++)
{
Json::Value c;
SimplifyTags(c, array[i]);
children.append(c);
}
target[name] = children;
}
else
{
assert(0);
}
}
}
StoreStatus ServerContext::Store(const char* dicomInstance,
size_t dicomSize,
const DicomMap& dicomSummary,
const Json::Value& dicomJson,
const std::string& remoteAet)
{
// Test if the instance must be filtered out
if (lua_.IsExistingFunction(RECEIVED_INSTANCE_FILTER))
{
Json::Value simplified;
SimplifyTags(simplified, dicomJson);
LuaFunctionCall call(lua_, RECEIVED_INSTANCE_FILTER);
call.PushJSON(simplified);
call.PushString(remoteAet);
if (!call.ExecutePredicate())
{
LOG(INFO) << "An incoming instance has been discarded by the filter";
return StoreStatus_FilteredOut;
}
}
if (compressionEnabled_)
{
accessor_.SetCompressionForNextOperations(CompressionType_Zlib);
}
else
{
accessor_.SetCompressionForNextOperations(CompressionType_None);
}
FileInfo dicomInfo = accessor_.Write(dicomInstance, dicomSize, FileContentType_Dicom);
FileInfo jsonInfo = accessor_.Write(dicomJson.toStyledString(), FileContentType_Json);
ServerIndex::Attachments attachments;
attachments.push_back(dicomInfo);
attachments.push_back(jsonInfo);
StoreStatus status = index_.Store(dicomSummary, attachments, remoteAet);
if (status != StoreStatus_Success)
{
storage_.Remove(dicomInfo.GetUuid());
storage_.Remove(jsonInfo.GetUuid());
}
switch (status)
{
case StoreStatus_Success:
LOG(INFO) << "New instance stored";
break;
case StoreStatus_AlreadyStored:
LOG(INFO) << "Already stored";
break;
case StoreStatus_Failure:
LOG(ERROR) << "Store failure";
break;
default:
// This should never happen
break;
}
return status;
}
StoreStatus ServerContext::Store(std::string& resultPublicId,
DicomInstanceToStore& dicom)
{
try
{
DicomInstanceHasher hasher(dicom.GetSummary());
resultPublicId = hasher.HashInstance();
Json::Value simplified;
SimplifyTags(simplified, dicom.GetJson());
// Test if the instance must be filtered out
bool accepted = true;
{
boost::recursive_mutex::scoped_lock lock(listenersMutex_);
for (ServerListeners::iterator it = listeners_.begin(); it != listeners_.end(); ++it)
{
try
{
if (!it->GetListener().FilterIncomingInstance(simplified, dicom.GetRemoteAet()))
{
accepted = false;
break;
}
}
catch (OrthancException& e)
{
LOG(ERROR) << "Error in the " << it->GetDescription()
<< " callback while receiving an instance: " << e.What();
throw;
}
}
}
if (!accepted)
{
LOG(INFO) << "An incoming instance has been discarded by the filter";
return StoreStatus_FilteredOut;
}
if (compressionEnabled_)
{
accessor_.SetCompressionForNextOperations(CompressionType_Zlib);
}
else
{
accessor_.SetCompressionForNextOperations(CompressionType_None);
}
FileInfo dicomInfo = accessor_.Write(dicom.GetBufferData(), dicom.GetBufferSize(), FileContentType_Dicom);
FileInfo jsonInfo = accessor_.Write(dicom.GetJson().toStyledString(), FileContentType_DicomAsJson);
ServerIndex::Attachments attachments;
attachments.push_back(dicomInfo);
attachments.push_back(jsonInfo);
typedef std::map<MetadataType, std::string> InstanceMetadata;
InstanceMetadata instanceMetadata;
StoreStatus status = index_.Store(instanceMetadata, dicom.GetSummary(), attachments,
dicom.GetRemoteAet(), dicom.GetMetadata());
// Only keep the metadata for the "instance" level
dicom.GetMetadata().clear();
for (InstanceMetadata::const_iterator it = instanceMetadata.begin();
it != instanceMetadata.end(); ++it)
{
dicom.GetMetadata().insert(std::make_pair(std::make_pair(ResourceType_Instance, it->first),
it->second));
}
if (status != StoreStatus_Success)
{
accessor_.Remove(dicomInfo.GetUuid(), FileContentType_Dicom);
accessor_.Remove(jsonInfo.GetUuid(), FileContentType_DicomAsJson);
}
switch (status)
{
case StoreStatus_Success:
LOG(INFO) << "New instance stored";
break;
case StoreStatus_AlreadyStored:
LOG(INFO) << "Already stored";
break;
case StoreStatus_Failure:
LOG(ERROR) << "Store failure";
break;
default:
// This should never happen
break;
}
if (status == StoreStatus_Success ||
status == StoreStatus_AlreadyStored)
{
boost::recursive_mutex::scoped_lock lock(listenersMutex_);
for (ServerListeners::iterator it = listeners_.begin(); it != listeners_.end(); ++it)
{
try
{
it->GetListener().SignalStoredInstance(resultPublicId, dicom, simplified);
}
catch (OrthancException& e)
{
LOG(ERROR) << "Error in the " << it->GetDescription()
<< " callback while receiving an instance: " << e.What();
}
}
}
return status;
}
catch (OrthancException& e)
{
if (e.GetErrorCode() == ErrorCode_InexistentTag)
{
LogMissingRequiredTag(dicom.GetSummary());
}
throw;
}
}
