| /* -*- 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 |