CommunicationManager returns the number of called listeners

[platform/core/security/key-manager.git] / src / manager / main / communication-manager.h

diff --git a/src/manager/main/communication-manager.h b/src/manager/main/communication-manager.h
index 898d483..1637a07 100644 (file)
--- a/src/manager/main/communication-manager.h
+++ b/src/manager/main/communication-manager.h
@@ -44,10 +44,15 @@ public:
     }
 
     // Sends message of type M to all registered listeners
-    void SendMessage(const M& msg)
+    // Returns the number of listeners called
+    size_t SendMessage(const M& msg) const
     {
-        for(auto it : m_listeners)
+        size_t num = 0;
+        for(auto& it : m_listeners) {
             it(msg);
+            num++;
+        }
+        return num;
     }
 protected:
     MessageManager() {}
@@ -82,10 +87,11 @@ public:
     }
 
     // M message type
+    // Sending a message calls an unknown listener callback on the receiving side. It may throw.
     template <typename M>
-    void SendMessage(const M& msg)
+    size_t SendMessage(const M& msg) const
     {
-        MessageManager<M>::SendMessage(msg);
+        return MessageManager<M>::SendMessage(msg);
     }
 };