face: Incrementing Face counters

Change-Id: Ia1d7917bb52cf01ab2ff304638bc9f6cbdb2626f
Refs: #1178
diff --git a/daemon/face/multicast-udp-face.cpp b/daemon/face/multicast-udp-face.cpp
index e56c147..49146ac 100644
--- a/daemon/face/multicast-udp-face.cpp
+++ b/daemon/face/multicast-udp-face.cpp
@@ -28,6 +28,8 @@
 void
 MulticastUdpFace::sendInterest(const Interest& interest)
 {
+  onSendInterest(interest);
+
   NFD_LOG_DEBUG("Sending interest");
   m_socket->async_send_to(boost::asio::buffer(interest.wireEncode().wire(),
                                               interest.wireEncode().size()),
@@ -40,6 +42,10 @@
 void
 MulticastUdpFace::sendData(const Data& data)
 {
+  /// \todo After this method implements duplicate suppression, onSendData event should
+  ///       be triggered only when data is actually sent out
+  onSendData(data);
+
   NFD_LOG_DEBUG("Sending data");
   m_socket->async_send_to(boost::asio::buffer(data.wireEncode().wire(),
                                            data.wireEncode().size()),