Implemente way to send diagnostic request when subscribed.

When subscribed, the signal is added to recurring request list
of diagnostic manager and an event is added to the systemd
event loop with timer set using frequency parameter from the
requested signal.

Change-Id: I4d604c498047d7744c090b7f03fce0f2b427fd01
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/utils/timer.cpp b/src/utils/timer.cpp
index 966178be..1461ac4b 100644
--- a/src/utils/timer.cpp
+++ b/src/utils/timer.cpp
@@ -71,3 +71,10 @@ bool frequency_clock_t::elapsed(bool stagger)
 
 	return frequency_ == 0 || elapsed_time >= period;
 }
+
+/// @brief Force the clock to tick, regardless of it its time has actually
+/// elapsed.
+void frequency_clock_t::tick()
+{
+	last_tick_ = get_time_function()();
+}
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