control: Add set target on missing owner action
Add the YAML based set_speed_on_missing_owner action function as an
action class for JSON configs to use.
Change-Id: Iebe0cc7bbaf063ef33ca0b918dd1d8576e2425eb
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/control/json/actions/missing_owner_target.hpp b/control/json/actions/missing_owner_target.hpp
new file mode 100644
index 0000000..35fb5a9
--- /dev/null
+++ b/control/json/actions/missing_owner_target.hpp
@@ -0,0 +1,84 @@
+/**
+ * Copyright © 2021 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include "../zone.hpp"
+#include "action.hpp"
+#include "group.hpp"
+
+#include <nlohmann/json.hpp>
+
+namespace phosphor::fan::control::json
+{
+
+using json = nlohmann::json;
+
+/**
+ * @class MissingOwnerTarget - Action to set a target when an owner is missing
+ *
+ * Sets the fans to a configured target when any service owner associated to the
+ * group is missing. Once all services are functional and providing all the
+ * group data again, active fan target changes are allowed.
+ */
+class MissingOwnerTarget :
+ public ActionBase,
+ public ActionRegister<MissingOwnerTarget>
+{
+ public:
+ /* Name of this action */
+ static constexpr auto name = "set_speed_on_missing_owner";
+
+ MissingOwnerTarget() = delete;
+ MissingOwnerTarget(const MissingOwnerTarget&) = delete;
+ MissingOwnerTarget(MissingOwnerTarget&&) = delete;
+ MissingOwnerTarget& operator=(const MissingOwnerTarget&) = delete;
+ MissingOwnerTarget& operator=(MissingOwnerTarget&&) = delete;
+ ~MissingOwnerTarget() = default;
+
+ /**
+ * @brief Set target on an owner missing
+ *
+ * @param[in] jsonObj - JSON containing the configured target to use
+ */
+ explicit MissingOwnerTarget(const json& jsonObj);
+
+ /**
+ * @brief Run the action
+ *
+ * Updates the services of the group, then determines if any of the
+ * services hosting the members of the group are not owned on dbus
+ * resulting in the zone's target being set/held at the configured target.
+ *
+ * @param[in] zone - Zone to run the action on
+ * @param[in] group - Group of dbus objects the action runs against
+ */
+ void run(Zone& zone, const Group& group) override;
+
+ private:
+ /* Target for this action */
+ uint64_t _target;
+
+ /**
+ * @brief Parse and set the target
+ *
+ * @param[in] jsonObj - JSON object for the action
+ *
+ * Sets the target to use when running the action
+ */
+ void setTarget(const json& jsonObj);
+};
+
+} // namespace phosphor::fan::control::json