Add serialization for bios-settings-manager
Tested: Restarted the biosconfig-manager application and
BaseBIOSTable and PendingAttributes were restored.
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
Change-Id: Iddbe69ed45a6895a324d236a14b6f21586315c62
diff --git a/src/manager.cpp b/src/manager.cpp
index c4c660d..c173ee4 100644
--- a/src/manager.cpp
+++ b/src/manager.cpp
@@ -15,6 +15,7 @@
*/
#include "manager.hpp"
+#include "manager_serialize.hpp"
#include "xyz/openbmc_project/BIOSConfig/Common/error.hpp"
#include "xyz/openbmc_project/Common/error.hpp"
@@ -93,7 +94,9 @@
Manager::BaseTable Manager::baseBIOSTable(BaseTable value)
{
pendingAttributes({});
- return Base::baseBIOSTable(value, false);
+ auto baseTable = Base::baseBIOSTable(value, false);
+ serialize(*this, biosFile);
+ return baseTable;
}
Manager::PendingAttributes Manager::pendingAttributes(PendingAttributes value)
@@ -101,7 +104,9 @@
// Clear the pending attributes
if (value.empty())
{
- return Base::pendingAttributes({}, false);
+ auto pendingAttrs = Base::pendingAttributes({}, false);
+ serialize(*this, biosFile);
+ return pendingAttrs;
}
// Validate all the BIOS attributes before setting PendingAttributes
@@ -255,7 +260,10 @@
pendingAttribute.emplace(std::make_pair(pair.first, pair.second));
}
- return Base::pendingAttributes(pendingAttribute, false);
+ auto pendingAttrs = Base::pendingAttributes(pendingAttribute, false);
+ serialize(*this, biosFile);
+
+ return pendingAttrs;
}
Manager::Manager(sdbusplus::asio::object_server& objectServer,
@@ -263,7 +271,12 @@
sdbusplus::xyz::openbmc_project::BIOSConfig::server::Manager(*systemBus,
objectPath),
objServer(objectServer), systemBus(systemBus)
-{}
+{
+ fs::path biosDir(BIOS_PERSIST_PATH);
+ fs::create_directories(biosDir);
+ biosFile = biosDir / biosPersistFile;
+ deserialize(biosFile, *this);
+}
} // namespace bios_config
diff --git a/src/manager_serialize.cpp b/src/manager_serialize.cpp
new file mode 100644
index 0000000..ef7b1b4
--- /dev/null
+++ b/src/manager_serialize.cpp
@@ -0,0 +1,92 @@
+#include "manager_serialize.hpp"
+
+#include <cereal/archives/binary.hpp>
+#include <cereal/cereal.hpp>
+#include <cereal/types/map.hpp>
+#include <cereal/types/string.hpp>
+#include <cereal/types/tuple.hpp>
+#include <cereal/types/variant.hpp>
+#include <cereal/types/vector.hpp>
+#include <phosphor-logging/log.hpp>
+
+#include <fstream>
+
+namespace bios_config
+{
+
+using namespace phosphor::logging;
+
+/** @brief Function required by Cereal to perform serialization.
+ *
+ * @tparam Archive - Cereal archive type (binary in this case).
+ * @param[in] archive - reference to cereal archive.
+ * @param[in] entry- const reference to bios manager object
+ * @param[in] version - Class version that enables handling a serialized data
+ * across code levels
+ */
+template <class Archive>
+void save(Archive& archive, const Manager& entry,
+ const std::uint32_t /*version*/)
+{
+ archive(entry.sdbusplus::xyz::openbmc_project::BIOSConfig::server::Manager::
+ baseBIOSTable(),
+ entry.sdbusplus::xyz::openbmc_project::BIOSConfig::server::Manager::
+ pendingAttributes());
+}
+
+/** @brief Function required by Cereal to perform deserialization.
+ *
+ * @tparam Archive - Cereal archive type (binary in our case).
+ * @param[in] archive - reference to cereal archive.
+ * @param[out] entry - reference to bios manager object
+ * @param[in] version - Class version that enables handling a serialized data
+ * across code levels
+ */
+template <class Archive>
+void load(Archive& archive, Manager& entry, const std::uint32_t /*version*/)
+{
+ Manager::BaseTable baseTable;
+ Manager::PendingAttributes pendingAttrs;
+
+ archive(baseTable, pendingAttrs);
+ entry.sdbusplus::xyz::openbmc_project::BIOSConfig::server::Manager::
+ baseBIOSTable(baseTable, true);
+ entry.sdbusplus::xyz::openbmc_project::BIOSConfig::server::Manager::
+ pendingAttributes(pendingAttrs, true);
+}
+
+void serialize(const Manager& obj, const fs::path& path)
+{
+ std::ofstream os(path.c_str(), std::ios::out | std::ios::binary);
+ cereal::BinaryOutputArchive oarchive(os);
+ oarchive(obj);
+}
+
+bool deserialize(const fs::path& path, Manager& entry)
+{
+ try
+ {
+ if (fs::exists(path))
+ {
+ std::ifstream is(path.c_str(), std::ios::in | std::ios::binary);
+ cereal::BinaryInputArchive iarchive(is);
+ iarchive(entry);
+ return true;
+ }
+ return false;
+ }
+ catch (cereal::Exception& e)
+ {
+ log<level::ERR>(e.what());
+ fs::remove(path);
+ return false;
+ }
+ catch (const std::length_error& e)
+ {
+ log<level::ERR>(e.what());
+ fs::remove(path);
+ return false;
+ }
+}
+
+} // namespace bios_config
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