prepare for "check connectivity" api

* Cmd now has more generic "name" property and optional "portNumber"
* add CmdType CHECK_CONNECTIVITY
* add a simple one-shot PeerCheck utility
* add CheckCompletionHandler that handles a Cmd with type CHECK_CONNECTIVITY
* dummy in handleCmd for now

1 files changed, 13 insertions, 0 deletions

diff --git a/configd/src/apps/sentinel/status-callback.h b/configd/src/apps/sentinel/status-callback.h
new file mode 100644
index 00000000000..53a3185623b
--- /dev/null
+++ b/configd/src/apps/sentinel/status-callback.h
@@ -0,0 +1,13 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#pragma once
+
+namespace config::sentinel {
+
+/** very simple callback API with "ok" or "not ok" status only */
+struct StatusCallback {
+    virtual void returnStatus(bool ok) = 0;
+    virtual ~StatusCallback();
+};
+
+}