mgmt, main: add "tables" configuration file section and processor

refs: #1623

Change-Id: If54097ba738381f7a75d755933e20b35387ff1d4
diff --git a/daemon/mgmt/tables-config-section.cpp b/daemon/mgmt/tables-config-section.cpp
new file mode 100644
index 0000000..0efa02d
--- /dev/null
+++ b/daemon/mgmt/tables-config-section.cpp
@@ -0,0 +1,87 @@
+/* -*- 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/>.
+ */
+
+#include "tables-config-section.hpp"
+
+#include "common.hpp"
+#include "core/logger.hpp"
+#include "core/config-file.hpp"
+
+namespace nfd {
+
+NFD_LOG_INIT("TablesConfigSection");
+
+TablesConfigSection::TablesConfigSection(Cs& cs,
+                                         Pit& pit,
+                                         Fib& fib,
+                                         StrategyChoice& strategyChoice,
+                                         Measurements& measurements)
+  : m_cs(cs)
+  // , m_pit(pit)
+  // , m_fib(fib)
+  // , m_strategyChoice(strategyChoice)
+  // , m_measurements(measurements)
+{
+
+}
+
+void
+TablesConfigSection::onConfig(const ConfigSection& configSection,
+                              bool isDryRun,
+                              const std::string& filename)
+{
+  // tables
+  // {
+  //    cs_max_packets 65536
+  // }
+
+  boost::optional<const ConfigSection&> csMaxPacketsNode =
+    configSection.get_child_optional("cs_max_packets");
+
+  if (csMaxPacketsNode)
+    {
+      boost::optional<size_t> valCsMaxPackets =
+        configSection.get_optional<size_t>("cs_max_packets");
+
+      if (!valCsMaxPackets)
+        {
+          throw ConfigFile::Error("Invalid value for option \"cs_max_packets\""
+                                  " in \"tables\" section");
+        }
+      else if (!isDryRun)
+        {
+          m_cs.setLimit(*valCsMaxPackets);
+        }
+    }
+}
+
+void
+TablesConfigSection::setConfigFile(ConfigFile& configFile)
+{
+  configFile.addSectionHandler("tables",
+                               bind(&TablesConfigSection::onConfig, this, _1, _2, _3));
+}
+
+} // namespace nfd