API to read IM from DBus
The commit implements utility method to read IM value from the DBus.
For now, it will be used to detect the system type before updating the
VPD for power VS systems.
Change-Id: I425ebfc51721396cc1ca5f07d5725ef6617f4419
Signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
diff --git a/vpd-manager/include/utility/dbus_utility.hpp b/vpd-manager/include/utility/dbus_utility.hpp
index 0cb8151..f849f89 100644
--- a/vpd-manager/include/utility/dbus_utility.hpp
+++ b/vpd-manager/include/utility/dbus_utility.hpp
@@ -592,5 +592,25 @@
return true;
}
+
+/**
+ * @brief API to read IM keyword from Dbus.
+ *
+ * @return IM value read from Dbus, Empty in case of any error.
+ */
+inline types::BinaryVector getImFromDbus()
+{
+ const auto& l_retValue = dbusUtility::readDbusProperty(
+ constants::pimServiceName, constants::systemVpdInvPath,
+ constants::vsbpInf, constants::kwdIM);
+
+ auto l_imValue = std::get_if<types::BinaryVector>(&l_retValue);
+ if (!l_imValue || (*l_imValue).size() != constants::VALUE_4)
+ {
+ return types::BinaryVector{};
+ }
+
+ return *l_imValue;
+}
} // namespace dbusUtility
} // namespace vpd