Fan control: Create Zone class

This class represents a fan zone, which is a collection
of fans that are always set to a speed together.

Change-Id: I5646f07b7b136aad216dabded3b5da3e9da0a531
Signed-off-by: Matt Spinler <spinler@us.ibm.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/control/zone.hpp b/control/zone.hpp
new file mode 100644
index 0000000..985a46d
--- /dev/null
+++ b/control/zone.hpp
@@ -0,0 +1,84 @@
+#pragma once
+#include <vector>
+#include <sdbusplus/bus.hpp>
+#include "fan.hpp"
+#include "types.hpp"
+
+namespace phosphor
+{
+namespace fan
+{
+namespace control
+{
+
+/**
+ * @class Represents a fan control zone, which is a group of fans
+ * that behave the same.
+ */
+class Zone
+{
+    public:
+
+        Zone() = delete;
+        Zone(const Zone&) = delete;
+        Zone(Zone&&) = default;
+        Zone& operator=(const Zone&) = delete;
+        Zone& operator=(Zone&&) = delete;
+        ~Zone() = default;
+
+        /**
+         * Constructor
+         * Creates the appropriate fan objects based on
+         * the zone definition data passed in.
+         *
+         * @param[in] bus - the dbus object
+         * @param[in] def - the fan zone definition data
+         */
+        Zone(sdbusplus::bus::bus& bus,
+             const ZoneDefinition& def);
+
+        /**
+         * Sets all fans in the zone to the speed
+         * passed in
+         *
+         * @param[in] speed - the fan speed
+         */
+        void setSpeed(uint64_t speed);
+
+        /**
+         * Sets the zone to full speed
+         */
+        inline void setFullSpeed()
+        {
+            if (_fullSpeed != 0)
+            {
+                setSpeed(_fullSpeed);
+            }
+        }
+
+    private:
+
+        /**
+         * The dbus object
+         */
+        sdbusplus::bus::bus& _bus;
+
+        /**
+         * Full speed for the zone
+         */
+        const uint64_t _fullSpeed;
+
+        /**
+         * The zone number
+         */
+        const size_t _zoneNum;
+
+        /**
+         * The vector of fans in this zone
+         */
+        std::vector<std::unique_ptr<Fan>> _fans;
+};
+
+}
+}
+}