PEL: User Data class
This class is used for accessing the UserData section of a PEL.
This section contains free format data that can be identified by the
component ID, subtype, and version fields in the section header.
Signed-off-by: Aatir Manzur <aatrapps@gmail.com>
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I1223f84353e81202d1ff63c00f3d926cda4994e5
diff --git a/extensions/openpower-pels/user_data.cpp b/extensions/openpower-pels/user_data.cpp
new file mode 100644
index 0000000..f2cb282
--- /dev/null
+++ b/extensions/openpower-pels/user_data.cpp
@@ -0,0 +1,79 @@
+#include "user_data.hpp"
+
+#include "pel_types.hpp"
+
+#include <phosphor-logging/log.hpp>
+
+namespace openpower
+{
+namespace pels
+{
+
+using namespace phosphor::logging;
+
+void UserData::unflatten(Stream& stream)
+{
+ stream >> _header;
+
+ if (_header.size <= SectionHeader::flattenedSize())
+ {
+ throw std::out_of_range(
+ "UserData::unflatten: SectionHeader::size field too small");
+ }
+
+ size_t dataLength = _header.size - SectionHeader::flattenedSize();
+ _data.resize(dataLength);
+
+ stream >> _data;
+}
+
+void UserData::flatten(Stream& stream)
+{
+ stream << _header << _data;
+}
+
+UserData::UserData(Stream& pel)
+{
+ try
+ {
+ unflatten(pel);
+ validate();
+ }
+ catch (const std::exception& e)
+ {
+ log<level::ERR>("Cannot unflatten user data",
+ entry("ERROR=%s", e.what()));
+ _valid = false;
+ }
+}
+
+UserData::UserData(uint16_t componentID, uint8_t subType, uint8_t version,
+ const std::vector<uint8_t>& data)
+{
+ _header.id = static_cast<uint16_t>(SectionID::userData);
+ _header.size = Section::flattenedSize() + data.size();
+ _header.version = version;
+ _header.subType = subType;
+ _header.componentID = componentID;
+
+ _data = data;
+
+ _valid = true;
+}
+
+void UserData::validate()
+{
+ if (header().id != static_cast<uint16_t>(SectionID::userData))
+ {
+ log<level::ERR>("Invalid user data section ID",
+ entry("ID=0x%X", header().id));
+ _valid = false;
+ }
+ else
+ {
+ _valid = true;
+ }
+}
+
+} // namespace pels
+} // namespace openpower