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, 27 insertions, 0 deletions

diff --git a/configd/src/apps/sentinel/check-completion-handler.h b/configd/src/apps/sentinel/check-completion-handler.h
new file mode 100644
index 00000000000..ae43799dd54
--- /dev/null
+++ b/configd/src/apps/sentinel/check-completion-handler.h
@@ -0,0 +1,27 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#pragma once
+
+#include "status-callback.h"
+#include "peer-check.h"
+#include "cmdq.h"
+
+namespace config::sentinel {
+
+/**
+ * Handles a checkConnectivity request by making an outgoing
+ * ping request.  When the ping finishes, fills an answer
+ * into the parent request and deletes itself.
+ **/
+class CheckCompletionHandler : public StatusCallback {
+public:
+    static void create(Cmd::UP request, FRT_Supervisor &orb);
+    virtual ~CheckCompletionHandler();
+    void returnStatus(bool ok) override;
+private:
+    CheckCompletionHandler(Cmd::UP request, FRT_Supervisor &orb);
+    Cmd::UP _parentRequest;
+    std::unique_ptr<PeerCheck> _peerCheck;
+};
+
+}