bool
HlaFedAmb::ReadDataIxnParameters(
const RTI::ParameterHandleValuePairSet& theParameters,
HlaDataIxnInfo& dataIxnInfo)
{
HlaVariableDatumSetInfo& vdsInfo = dataIxnInfo.variableDatumSetInfo;
unsigned i;
for (i = 0; i < theParameters.size(); i++)
{
RTI::ParameterHandle ph = theParameters.getHandle(i);
RTI::ULong size = theParameters.getValueLength(i);
if (ph == m_dataOriginatingEntityHandle)
{
// Not used.
}
else
if (ph == m_dataReceivingEntityHandle)
{
// Not used.
}
else
if (ph == m_dataRequestIdentifierHandle)
{
// Not used.
}
else
if (ph == m_dataFixedDatumsHandle)
{
// Not used.
}
else
if (ph == m_dataVariableDatumSetHandle)
{
if (size > g_hlaVariableDatumSetBufSize)
{
if (m_debug)
{
cout << "FED: Ignoring Data interaction containing"
" large VariableDatumSet parameter" << endl;
}
return false;
}
char variableDatumSet[g_hlaVariableDatumSetBufSize];
theParameters.getValue(i, variableDatumSet, size);
// NumberOfVariableDatums, DatumID, DatumLength.
// Converted to host-byte-order.
unsigned vdsOffset = 0;
HlaCopyFromOffsetAndNtoh(
&vdsInfo.numberOfVariableDatums,
variableDatumSet,
vdsOffset,
sizeof(vdsInfo.numberOfVariableDatums));
if (vdsInfo.numberOfVariableDatums != 1)
{
if (m_debug)
{
cout << "FED: Ignoring Data interaction where"
" NumberOfVariableDatums != 1" << endl;
}
return false;
}
HlaVariableDatumInfo& vdInfo = vdsInfo.variableDatumsInfo[0];
HlaCopyFromOffsetAndNtoh(
&vdInfo.datumId,
variableDatumSet,
vdsOffset,
sizeof(vdInfo.datumId));
HlaCopyFromOffsetAndNtoh(
&vdInfo.datumLength,
variableDatumSet,
vdsOffset,
sizeof(vdInfo.datumLength));
if (vdInfo.datumLength % 8 != 0)
{
if (m_debug)
{
cout << "FED: Ignoring Data interaction where"
" DatumLength is not a multiple of 8" << endl;
}
return false;
}
unsigned datumLengthInBytes = vdInfo.datumLength / 8;
if (datumLengthInBytes > g_hlaDatumValueBufSize)
{
if (m_debug)
{
cout << "FED: Ignoring Data interaction containing"
" large DatumValue field" << endl;
}
return false;
}
// DatumValue.
// Left in network-byte-order.
HlaCopyFromOffset(
vdInfo.datumValue,
variableDatumSet,
vdsOffset,
datumLengthInBytes);
}
else
{
HlaReportError("Unknown parameter handle", __FILE__, __LINE__);
}
}//for//
return true;
}
