From 13791bd5519d2fe63a4b71f48db32e03c159369a Mon Sep 17 00:00:00 2001
From: Deepak Kodihalli <dkodihal@in.ibm.com>
Date: Mon, 28 Aug 2017 06:50:51 -0500
Subject: boot settings: use the new 'one time' setting

Resolves openbmc/openbmc#2008.

Change-Id: Id79d1f61a3e627fef28b071e2a415e94de14634f
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
---
 settings.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'settings.cpp')

diff --git a/settings.cpp b/settings.cpp
index 59f9f33..a1ca62c 100644
--- a/settings.cpp
+++ b/settings.cpp
@@ -2,6 +2,7 @@
 #include <phosphor-logging/log.hpp>
 #include "xyz/openbmc_project/Common/error.hpp"
 #include "settings.hpp"
+#include "utils.hpp"
 
 namespace settings
 {
@@ -90,4 +91,56 @@ Service Objects::service(const Path& path, const Interface& interface) const
     return result.begin()->first;
 }
 
+namespace boot
+{
+
+std::tuple<Path, OneTimeEnabled> setting(const Objects& objects,
+                                         const Interface& iface)
+{
+    constexpr auto bootObjCount = 2;
+    constexpr auto oneTime = "one_time";
+    constexpr auto enabledIntf = "xyz.openbmc_project.Object.Enable";
+
+    const std::vector<Path>& paths = objects.map.at(iface);
+    auto count = paths.size();
+    if (count != bootObjCount)
+    {
+        log<level::ERR>("Exactly two objects expected",
+                        entry("INTERFACE=%s", iface.c_str()),
+                        entry("COUNT=%d", count));
+        elog<InternalFailure>();
+    }
+    size_t index = 0;
+    if (std::string::npos == paths[0].rfind(oneTime))
+    {
+        index = 1;
+    }
+    const Path& oneTimeSetting = paths[index];
+    const Path& regularSetting = paths[!index];
+
+    auto method =
+        objects.bus.new_method_call(
+            objects.service(oneTimeSetting, iface).c_str(),
+            oneTimeSetting.c_str(),
+            ipmi::PROP_INTF,
+            "Get");
+    method.append(enabledIntf, "Enabled");
+    auto reply = objects.bus.call(method);
+    if (reply.is_method_error())
+    {
+        log<level::ERR>("Error in getting Enabled property",
+                        entry("OBJECT=%s", oneTimeSetting.c_str()),
+                        entry("INTERFACE=%s", iface.c_str()));
+        elog<InternalFailure>();
+    }
+
+    sdbusplus::message::variant<bool> enabled;
+    reply.read(enabled);
+    auto oneTimeEnabled = enabled.get<bool>();
+    const Path& setting = oneTimeEnabled ? oneTimeSetting : regularSetting;
+    return std::make_tuple(setting, oneTimeEnabled);
+}
+
+} // namespace boot
+
 } // namespace settings
-- 
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