resource: provide "backend" status events

Provide status events for the backend connection state, so the web
clients know whether anything is connected and when the last connect
or disconnect event happened.

Signed-off-by: Russell King <rmk@armlinux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/resource.h b/resource.h
index 657397b..99bcfed 100644
--- a/resource.h
+++ b/resource.h
@@ -17,6 +17,7 @@ struct resource_ops {
 struct resource {
 	const struct resource_ops *ops;
 	struct client *updater;
+	time_t updater_time;
 	void *data;
 };