Initial import.

cps/ping.go

@@ -0,0 +1,17 @@
+package cps
+
+func init() {
+	Register("ping", pingHandler)
+}
+
+// Ping just returns pong and is used to verify that the system is alive.
+func pingHandler(cmd *Command) (*Response, error) {
+	message := "pong"
+	if len(cmd.Args) > 0 {
+		message += " (FYI, no additional args are used)"
+	}
+
+	return &Response{
+		Message: message,
+	}, nil
+}