config
Change-Id: I1862b1e828187af3fc0759b4b4fb9c6e842d9732
diff --git a/core/conf/config-file.cpp b/core/conf/config-file.cpp
new file mode 100644
index 0000000..c25018c
--- /dev/null
+++ b/core/conf/config-file.cpp
@@ -0,0 +1,97 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California
+ *
+ * This file is part of NSL (NDN Signature Logger).
+ * See AUTHORS.md for complete list of NSL authors and contributors.
+ *
+ * NSL 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.
+ *
+ * NSL 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
+ * NSL, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of nsl authors and contributors.
+ */
+
+#include "config-file.hpp"
+#include <boost/property_tree/info_parser.hpp>
+#include <boost/filesystem.hpp>
+namespace nsl {
+namespace conf {
+
+ConfigFile::ConfigFile(const std::string& filename)
+ : m_filename(filename)
+{
+}
+
+void
+ConfigFile::parse()
+{
+ std::ifstream input;
+ input.open(m_filename.c_str());
+ if (!input.good() || !input.is_open())
+ throw Error("Failed to read configuration file: " + m_filename);
+
+ ConfigSection configSection;
+ try {
+ boost::property_tree::read_info(input, configSection);
+ }
+ catch (boost::property_tree::info_parser_error& error) {
+ std::stringstream msg;
+ msg << "Failed to parse configuration file";
+ msg << " " << m_filename;
+ msg << " " << error.message() << " line " << error.line();
+ throw Error(msg.str());
+ }
+
+ bool hasLoggerName = false;
+ bool hasDbDir = false;
+ bool hasPolicy = false;
+ bool hasValidatorRule = false;
+ for (const auto& section : configSection) {
+ if (boost::iequals(section.first, "logger-name")) {
+ try {
+ m_loggerName = Name(section.second.data());
+ }
+ catch (Name::Error& e) {
+ throw Error("Wrong logger-name: " + section.second.data());
+ }
+ hasLoggerName = true;
+ }
+ else if (boost::iequals(section.first, "db-dir")) {
+ using namespace boost::filesystem;
+
+ m_dbDir = absolute(section.second.data(), path(m_filename).parent_path()).string();
+ hasDbDir = true;
+ }
+ else if (boost::iequals(section.first, "policy")) {
+ m_policy = section.second;
+ hasPolicy = true;
+ }
+ else if (boost::iequals(section.first, "validator")) {
+ m_validatorRule = section.second;
+ hasValidatorRule = true;
+ }
+ else
+ throw Error("Error in loading policy checker: unrecognized section " + section.first);
+ }
+
+ if (!hasDbDir) {
+ m_dbDir = boost::filesystem::path(m_filename).parent_path().string();
+ hasDbDir = true;
+ }
+
+ if (hasDbDir && hasLoggerName && hasPolicy && hasValidatorRule)
+ return;
+
+ throw Error("incomplete configuration");
+}
+
+} // namespace conf
+} // namespace nsl
diff --git a/core/conf/config-file.hpp b/core/conf/config-file.hpp
new file mode 100644
index 0000000..882fbab
--- /dev/null
+++ b/core/conf/config-file.hpp
@@ -0,0 +1,79 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California
+ *
+ * This file is part of NSL (NDN Signature Logger).
+ * See AUTHORS.md for complete list of NSL authors and contributors.
+ *
+ * NSL 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.
+ *
+ * NSL 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
+ * NSL, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of nsl authors and contributors.
+ */
+
+#ifndef NSL_CONF_CONFIG_FILE_HPP
+#define NSL_CONF_CONFIG_FILE_HPP
+
+#include "common.hpp"
+#include "config.hpp"
+
+namespace nsl {
+namespace conf {
+class ConfigFile
+{
+public:
+ ConfigFile(const std::string& filename);
+
+ void
+ parse();
+
+ const std::string&
+ getConfFileName() const
+ {
+ return m_filename;
+ }
+
+ const Name&
+ getLoggerName() const
+ {
+ return m_loggerName;
+ }
+
+ const std::string&
+ getDbDir() const
+ {
+ return m_dbDir;
+ }
+
+ const ConfigSection&
+ getPolicy() const
+ {
+ return m_policy;
+ }
+
+ const ConfigSection&
+ getValidatorRule() const
+ {
+ return m_validatorRule;
+ }
+
+private:
+ std::string m_filename;
+ Name m_loggerName;
+ std::string m_dbDir;
+ ConfigSection m_policy;
+ ConfigSection m_validatorRule;
+};
+
+} // namespace conf
+} // namespace nsl
+
+#endif // NSL_CONF_CONFIG_FILE_HPP