general-config-section.cpp
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2014-2022, Regents of the University of California,
4  * Arizona Board of Regents,
5  * Colorado State University,
6  * University Pierre & Marie Curie, Sorbonne University,
7  * Washington University in St. Louis,
8  * Beijing Institute of Technology,
9  * The University of Memphis.
10  *
11  * This file is part of NFD (Named Data Networking Forwarding Daemon).
12  * See AUTHORS.md for complete list of NFD authors and contributors.
13  *
14  * NFD is free software: you can redistribute it and/or modify it under the terms
15  * of the GNU General Public License as published by the Free Software Foundation,
16  * either version 3 of the License, or (at your option) any later version.
17  *
18  * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
19  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
20  * PURPOSE. See the GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License along with
23  * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
24  */
25 
28 
29 namespace nfd::general {
30 
31 static void
32 onConfig(const ConfigSection& section, bool isDryRun, const std::string&)
33 {
34  // general
35  // {
36  // user "ndn-user"
37  // group "ndn-user"
38  // }
39 
40  std::string user;
41  std::string group;
42 
43  for (const auto& i : section) {
44  if (i.first == "user") {
45  try {
46  user = i.second.get_value<std::string>("user");
47  if (user.empty()) {
48  NDN_THROW(ConfigFile::Error("Invalid value for 'user' in section 'general'"));
49  }
50  }
51  catch (const boost::property_tree::ptree_error&) {
52  NDN_THROW(ConfigFile::Error("Invalid value for 'user' in section 'general'"));
53  }
54  }
55  else if (i.first == "group") {
56  try {
57  group = i.second.get_value<std::string>("group");
58  if (group.empty()) {
59  NDN_THROW(ConfigFile::Error("Invalid value for 'group' in section 'general'"));
60  }
61  }
62  catch (const boost::property_tree::ptree_error&) {
63  NDN_THROW(ConfigFile::Error("Invalid value for 'group' in section 'general'"));
64  }
65  }
66  }
67 
68  PrivilegeHelper::initialize(user, group);
69 }
70 
71 void
73 {
74  config.addSectionHandler("general", &onConfig);
75 }
76 
77 } // namespace nfd::general
Configuration file parsing utility.
Definition: config-file.hpp:66
void addSectionHandler(const std::string &sectionName, ConfigSectionHandler subscriber)
Setup notification of configuration file sections.
Definition: config-file.cpp:77
static void initialize(const std::string &userName, const std::string &groupName)
void setConfigFile(ConfigFile &config)
static void onConfig(const ConfigSection &section, bool isDryRun, const std::string &)
boost::property_tree::ptree ConfigSection
A configuration file section.
Definition: config-file.hpp:41