face: link layer byte counts in FaceCounters
This commit declares the counters, but does not increment the new counters.
refs #1729
Change-Id: I9cd136fc65955192a92d567629a9aba2df8090f3
diff --git a/daemon/face/face-counters.hpp b/daemon/face/face-counters.hpp
new file mode 100644
index 0000000..05303b5
--- /dev/null
+++ b/daemon/face/face-counters.hpp
@@ -0,0 +1,218 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_FACE_FACE_COUNTERS_HPP
+#define NFD_DAEMON_FACE_FACE_COUNTERS_HPP
+
+#include "common.hpp"
+
+namespace nfd {
+
+/** \brief represents a counter of number of packets
+ */
+// PacketCounter is noncopyable, because increment should be called on the counter,
+// not a copy of it; it's implicitly convertible to uint64_t to be observed
+class PacketCounter : noncopyable
+{
+public:
+ typedef uint64_t rep;
+
+ PacketCounter()
+ : m_value(0)
+ {
+ }
+
+ operator rep() const
+ {
+ return m_value;
+ }
+
+ PacketCounter&
+ operator++()
+ {
+ ++m_value;
+ return *this;
+ }
+ // postfix ++ operator is not provided because it's not needed
+
+ void
+ set(rep value)
+ {
+ m_value = value;
+ }
+
+private:
+ rep m_value;
+};
+
+
+/** \brief represents a counter of number of bytes
+ */
+// ByteCounter is noncopyable, because increment should be called on the counter,
+// not a copy of it; it's implicitly convertible to uint64_t to be observed
+class ByteCounter : noncopyable
+{
+public:
+ typedef uint64_t rep;
+
+ ByteCounter()
+ : m_value(0)
+ {
+ }
+
+ operator rep() const
+ {
+ return m_value;
+ }
+
+ ByteCounter&
+ operator+=(rep n)
+ {
+ m_value += n;
+ return *this;
+ }
+
+ void
+ set(rep value)
+ {
+ m_value = value;
+ }
+
+private:
+ rep m_value;
+};
+
+
+/** \brief contains network layer packet counters
+ */
+class NetworkLayerCounters : noncopyable
+{
+public:
+ /// incoming Interest
+ const PacketCounter&
+ getNInInterests() const
+ {
+ return m_nInInterests;
+ }
+
+ PacketCounter&
+ getNInInterests()
+ {
+ return m_nInInterests;
+ }
+
+ /// incoming Data
+ const PacketCounter&
+ getNInDatas() const
+ {
+ return m_nInDatas;
+ }
+
+ PacketCounter&
+ getNInDatas()
+ {
+ return m_nInDatas;
+ }
+
+ /// outgoing Interest
+ const PacketCounter&
+ getNOutInterests() const
+ {
+ return m_nOutInterests;
+ }
+
+ PacketCounter&
+ getNOutInterests()
+ {
+ return m_nOutInterests;
+ }
+
+ /// outgoing Data
+ const PacketCounter&
+ getNOutDatas() const
+ {
+ return m_nOutDatas;
+ }
+
+ PacketCounter&
+ getNOutDatas()
+ {
+ return m_nOutDatas;
+ }
+
+private:
+ PacketCounter m_nInInterests;
+ PacketCounter m_nInDatas;
+ PacketCounter m_nOutInterests;
+ PacketCounter m_nOutDatas;
+};
+
+
+/** \brief contains link layer byte counters
+ */
+class LinkLayerCounters : noncopyable
+{
+public:
+ /// received bytes
+ const ByteCounter&
+ getNInBytes() const
+ {
+ return m_nInBytes;
+ }
+
+ ByteCounter&
+ getNInBytes()
+ {
+ return m_nInBytes;
+ }
+
+ /// sent bytes
+ const ByteCounter&
+ getNOutBytes() const
+ {
+ return m_nOutBytes;
+ }
+
+ ByteCounter&
+ getNOutBytes()
+ {
+ return m_nOutBytes;
+ }
+
+private:
+ ByteCounter m_nInBytes;
+ ByteCounter m_nOutBytes;
+};
+
+
+/** \brief contains counters on face
+ */
+class FaceCounters : public NetworkLayerCounters, public LinkLayerCounters
+{
+};
+
+} // namespace nfd
+
+#endif // NFD_DAEMON_FACE_FACE_COUNTERS_HPP