bios: Implement BIOSEnumAttribute
Implement BIOSEnumAttribute, most of the code is copied from
bios/bios_parser.cpp.
Implement SetAttrValueOnDbus and constructEntry for enum attribute
Signed-off-by: John Wang <wangzqbj@inspur.com>
Change-Id: Ia6230485fd2d6d05f9f2ddb3a80b81f6556aee9f
diff --git a/libpldmresponder/bios_enum_attribute.cpp b/libpldmresponder/bios_enum_attribute.cpp
new file mode 100644
index 0000000..7d7cba4
--- /dev/null
+++ b/libpldmresponder/bios_enum_attribute.cpp
@@ -0,0 +1,204 @@
+#include "bios_enum_attribute.hpp"
+
+#include "utils.hpp"
+
+#include <iostream>
+
+namespace pldm
+{
+namespace responder
+{
+namespace bios
+{
+
+BIOSEnumAttribute::BIOSEnumAttribute(const Json& entry,
+ DBusHandler* const dbusHandler) :
+ BIOSAttribute(entry, dbusHandler)
+{
+ std::string attrName = entry.at("attribute_name");
+ Json pv = entry.at("possible_values");
+ for (auto& val : pv)
+ {
+ possibleValues.emplace_back(val);
+ }
+
+ std::vector<std::string> defaultValues;
+ Json dv = entry.at("default_values");
+ for (auto& val : dv)
+ {
+ defaultValues.emplace_back(val);
+ }
+ assert(defaultValues.size() == 1);
+ defaultValue = defaultValues[0];
+ if (!readOnly)
+ {
+ auto dbusValues = entry.at("dbus").at("property_values");
+ buildValMap(dbusValues);
+ }
+}
+
+uint8_t BIOSEnumAttribute::getValueIndex(const std::string& value,
+ const std::vector<std::string>& pVs)
+{
+ auto iter = std::find_if(pVs.begin(), pVs.end(),
+ [&value](const auto& v) { return v == value; });
+ if (iter == pVs.end())
+ {
+ throw std::invalid_argument("value must be one of possible value");
+ }
+ return iter - pVs.begin();
+}
+
+std::vector<uint16_t> BIOSEnumAttribute::getPossibleValuesHandle(
+ const BIOSStringTable& stringTable, const std::vector<std::string>& pVs)
+{
+ std::vector<uint16_t> possibleValuesHandle;
+ for (const auto& pv : pVs)
+ {
+ auto handle = stringTable.findHandle(pv);
+ possibleValuesHandle.push_back(handle);
+ }
+
+ return possibleValuesHandle;
+}
+
+void BIOSEnumAttribute::buildValMap(const Json& dbusVals)
+{
+ PropertyValue value;
+ size_t pos = 0;
+ for (auto it = dbusVals.begin(); it != dbusVals.end(); ++it, ++pos)
+ {
+ if (dBusMap->propertyType == "uint8_t")
+ {
+ value = static_cast<uint8_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "uint16_t")
+ {
+ value = static_cast<uint16_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "uint32_t")
+ {
+ value = static_cast<uint32_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "uint64_t")
+ {
+ value = static_cast<uint64_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "int16_t")
+ {
+ value = static_cast<int16_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "int32_t")
+ {
+ value = static_cast<int32_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "int64_t")
+ {
+ value = static_cast<int64_t>(it.value());
+ }
+ else if (dBusMap->propertyType == "bool")
+ {
+ value = static_cast<bool>(it.value());
+ }
+ else if (dBusMap->propertyType == "double")
+ {
+ value = static_cast<double>(it.value());
+ }
+ else if (dBusMap->propertyType == "string")
+ {
+ value = static_cast<std::string>(it.value());
+ }
+ else
+ {
+ std::cerr << "Unknown D-Bus property type, TYPE="
+ << dBusMap->propertyType << "\n";
+ throw std::invalid_argument("Unknown D-BUS property type");
+ }
+ valMap.emplace(value, possibleValues[pos]);
+ }
+}
+
+uint8_t BIOSEnumAttribute::getAttrValueIndex()
+{
+ auto defaultValueIndex = getValueIndex(defaultValue, possibleValues);
+ if (readOnly)
+ {
+ return defaultValueIndex;
+ }
+
+ try
+ {
+ auto propValue = dbusHandler->getDbusPropertyVariant(
+ dBusMap->objectPath.c_str(), dBusMap->propertyName.c_str(),
+ dBusMap->interface.c_str());
+ auto iter = valMap.find(propValue);
+ if (iter == valMap.end())
+ {
+ return defaultValueIndex;
+ }
+ auto currentValue = iter->second;
+ return getValueIndex(currentValue, possibleValues);
+ }
+ catch (const std::exception& e)
+ {
+ return defaultValueIndex;
+ }
+}
+
+void BIOSEnumAttribute::setAttrValueOnDbus(
+ const pldm_bios_attr_val_table_entry* attrValueEntry,
+ const pldm_bios_attr_table_entry* attrEntry,
+ const BIOSStringTable& stringTable)
+{
+ if (readOnly)
+ {
+ return;
+ }
+ auto [pvHdls, _] = table::attribute::decodeEnumEntry(attrEntry);
+ auto currHdls = table::attribute_value::decodeEnumEntry(attrValueEntry);
+
+ assert(currHdls.size() == 1);
+
+ auto valueString = stringTable.findString(pvHdls[currHdls[0]]);
+
+ auto it = std::find_if(valMap.begin(), valMap.end(),
+ [&valueString](const auto& typePair) {
+ return typePair.second == valueString;
+ });
+ if (it == valMap.end())
+ {
+ return;
+ }
+
+ dbusHandler->setDbusProperty(*dBusMap, it->first);
+}
+
+void BIOSEnumAttribute::constructEntry(const BIOSStringTable& stringTable,
+ Table& attrTable, Table& attrValueTable)
+{
+ auto possibleValuesHandle =
+ getPossibleValuesHandle(stringTable, possibleValues);
+ std::vector<uint8_t> defaultIndices(1, 0);
+ defaultIndices[0] = getValueIndex(defaultValue, possibleValues);
+
+ pldm_bios_table_attr_entry_enum_info info = {
+ stringTable.findHandle(name), readOnly,
+ (uint8_t)possibleValuesHandle.size(), possibleValuesHandle.data(),
+ (uint8_t)defaultIndices.size(), defaultIndices.data(),
+ };
+
+ auto attrTableEntry =
+ table::attribute::constructEnumEntry(attrTable, &info);
+ auto [attrHandle, attrType, _] =
+ table::attribute::decodeHeader(attrTableEntry);
+
+ std::vector<uint8_t> currValueIndices(1, 0);
+ currValueIndices[0] = getAttrValueIndex();
+
+ table::attribute_value::constructEnumEntry(attrValueTable, attrHandle,
+ attrType, currValueIndices);
+}
+
+} // namespace bios
+} // namespace responder
+} // namespace pldm
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