Method support

Add support for a method callback.  The method callback enables
arbitrary DBus method calls.  A sample use case could be
starting a systemd unit via the sytemd DBus API.

Change-Id: If25131d11497c82f862ae1f47da066c5fd8b2e2e
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/sdbusplus.hpp b/src/sdbusplus.hpp
index 7dbf44d..8afb8b5 100644
--- a/src/sdbusplus.hpp
+++ b/src/sdbusplus.hpp
@@ -30,6 +30,28 @@ class SDBusPlus
         }
 
     public:
+        /** @brief Invoke a method; ignore reply. */
+        template <typename ...Args>
+        static void callMethodNoReply(
+            const std::string& busName,
+            const std::string& path,
+            const std::string& interface,
+            const std::string& method,
+            Args&& ... args)
+        {
+            auto reqMsg = getBus().new_method_call(
+                              busName.c_str(),
+                              path.c_str(),
+                              interface.c_str(),
+                              method.c_str());
+            reqMsg.append(std::forward<Args>(args)...);
+            getBus().call_noreply(reqMsg);
+
+            // TODO: openbmc/openbmc#1719
+            // invoke these methods async, with a callback
+            // handler that checks for errors and logs.
+        }
+
         /** @brief Invoke a method. */
         template <typename ...Args>
         static auto callMethod(