src: Reorganizing source code in preparation to merge NRD code
Note that as of this commit, there are several changes in location of
compiled binaries in `build/` folder:
* `nfd` has been moved to `build/bin/nfd`
* `unit-tests` has been split into `unit-tests-core` and `unit-tests-daemon`
Change-Id: I2c830c117879edbaa5457d6423c13f0273285919
Refs: #1486
diff --git a/core/config-file.cpp b/core/config-file.cpp
new file mode 100644
index 0000000..436c480
--- /dev/null
+++ b/core/config-file.cpp
@@ -0,0 +1,125 @@
+/* -*- 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
+ *
+ * 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 "config-file.hpp"
+#include "logger.hpp"
+
+#include <boost/property_tree/info_parser.hpp>
+#include <fstream>
+
+namespace nfd {
+
+NFD_LOG_INIT("ConfigFile");
+
+ConfigFile::ConfigFile()
+{
+}
+
+void
+ConfigFile::addSectionHandler(const std::string& sectionName,
+ ConfigSectionHandler subscriber)
+{
+ m_subscriptions[sectionName] = subscriber;
+}
+
+void
+ConfigFile::parse(const std::string& filename, bool isDryRun)
+{
+ std::ifstream inputFile;
+ inputFile.open(filename.c_str());
+ if (!inputFile.good() || !inputFile.is_open())
+ {
+ std::string msg = "Failed to read configuration file: ";
+ msg += filename;
+ throw Error(msg);
+ }
+ parse(inputFile, isDryRun, filename);
+ inputFile.close();
+}
+
+void
+ConfigFile::parse(const std::string& input, bool isDryRun, const std::string& filename)
+{
+ std::istringstream inputStream(input);
+ parse(inputStream, isDryRun, filename);
+}
+
+
+void
+ConfigFile::parse(std::istream& input, bool isDryRun, const std::string& filename)
+{
+ try
+ {
+ boost::property_tree::read_info(input, m_global);
+ }
+ catch (const boost::property_tree::info_parser_error& error)
+ {
+ std::stringstream msg;
+ msg << "Failed to parse configuration file";
+ msg << " " << filename;
+ msg << " " << error.message() << " line " << error.line();
+ throw Error(msg.str());
+ }
+
+ process(isDryRun, filename);
+}
+
+void
+ConfigFile::process(bool isDryRun, const std::string& filename)
+{
+ BOOST_ASSERT(!filename.empty());
+ // NFD_LOG_DEBUG("processing..." << ((isDryRun)?("dry run"):("")));
+
+ if (m_global.begin() == m_global.end())
+ {
+ std::string msg = "Error processing configuration file";
+ msg += ": ";
+ msg += filename;
+ msg += " no data";
+ throw Error(msg);
+ }
+
+ for (ConfigSection::const_iterator i = m_global.begin(); i != m_global.end(); ++i)
+ {
+ const std::string& sectionName = i->first;
+ const ConfigSection& section = i->second;
+
+ SubscriptionTable::iterator subscriberIt = m_subscriptions.find(sectionName);
+ if (subscriberIt != m_subscriptions.end())
+ {
+ ConfigSectionHandler subscriber = subscriberIt->second;
+ subscriber(section, isDryRun, filename);
+ }
+ else
+ {
+ std::string msg = "Error processing configuration file";
+ msg += " ";
+ msg += filename;
+ msg += " no module subscribed for section: " + sectionName;
+ throw Error(msg);
+ }
+ }
+}
+
+}