tree d1ebb0a8492188022640a7ea25e9ec2ab6bf5ce6
parent 15124765dad8076bdfae224b5463e0aa3c26b6a7
author Sunitha Harish <sunithaharish04@gmail.com> 1613643856 +0530
committer Sunitha Harish <sunithaharish04@gmail.com> 1615182224 -0600

EventService : Support async_resolve for subscribers

The http client at bmcweb does not resolve the client's
hostname asynchronously

This commit implements the async_resolve by using systemd resolved.
The async dbus message to resolvd.service is sent when a subscriber
successfully subscribes for events. The method ResolveHostname is
used to resolve the subscriber's hostname

Tested by:
  Subscribe for the events at BMC using DMTF event listener
  Generate an event and see the same is received at the listener's console

Signed-off-by: Sunitha Harish <sunithaharish04@gmail.com>
Change-Id: I3ab8206ac4764cfa025e94c06407524d6ba220e0