Add SDEvent delegate
Add an sd-event interface abstraction to facilitate
mocking and unit test.
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5880617565fc6eab54335adc30033d4b132568f8
diff --git a/src/sdevent.hpp b/src/sdevent.hpp
new file mode 100644
index 0000000..be8b510
--- /dev/null
+++ b/src/sdevent.hpp
@@ -0,0 +1,82 @@
+#pragma once
+
+#include "sdevent/event.hpp"
+#include "sdevent/timer.hpp"
+
+namespace phosphor
+{
+namespace dbus
+{
+namespace monitoring
+{
+
+/** @class SDEvent
+ * @brief SDEventType access delegate implementation for sdevent.
+ */
+class SDEvent
+{
+ protected:
+ /** @brief Share a single event loop amongst users. */
+ static auto& getEvent()
+ {
+ static auto event = sdevent::event::newDefault();
+ return event;
+ }
+
+ public:
+ /** @brief Wrapper for sd_event_now. */
+ static auto now()
+ {
+ return getEvent().now();
+ }
+};
+
+/** @class SDEventTimer
+ * @brief TimerType access delegate implementation for sdevent.
+ */
+class SDEventTimer : public SDEvent
+{
+ public:
+ SDEventTimer() = delete;
+ SDEventTimer(const SDEventTimer&) = default;
+ SDEventTimer(SDEventTimer&&) = default;
+ SDEventTimer& operator=(const SDEventTimer&) = default;
+ SDEventTimer& operator=(SDEventTimer&&) = default;
+ ~SDEventTimer() = default;
+
+ explicit SDEventTimer(
+ const sdevent::event::timer::Timer::Callback& callback)
+ : timer(getEvent(), callback) {}
+
+ /** @brief Update a timer expiration. */
+ void update(
+ const std::chrono::steady_clock::time_point& expires)
+ {
+ timer.setTime(expires);
+ }
+
+ /** @brief Query timer state. */
+ auto enabled()
+ {
+ return timer.enabled() != SD_EVENT_OFF;
+ }
+
+ /** @brief Enable a timer. */
+ void enable()
+ {
+ timer.enable(SD_EVENT_ONESHOT);
+ }
+
+ /** @brief Disable a timer. */
+ void disable()
+ {
+ timer.enable(SD_EVENT_OFF);
+ }
+
+ private:
+ sdevent::event::timer::Timer timer;
+};
+
+} // namespace monitoring
+} // namespace dbus
+} // namespace phosphor
diff --git a/src/templates/generated.mako.hpp b/src/templates/generated.mako.hpp
index 9e89983..914b065 100644
--- a/src/templates/generated.mako.hpp
+++ b/src/templates/generated.mako.hpp
@@ -10,6 +10,7 @@
#include "method.hpp"
#include "propertywatchimpl.hpp"
#include "sdbusplus.hpp"
+#include "sdevent.hpp"
using namespace std::string_literals;