2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
19 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
30 #include "api_action.h"
38 #include <cstdlib> // getenv
39 #include <cstring> // str*
41 #include <unistd.h> // access
42 #include <libgen.h> // basename
48 struct nullary_function
50 typedef T result_type;
54 class binder0 : public nullary_function<typename F::result_type>
57 binder0(const F & func, const typename F::argument_type & arg)
58 : m_func(func), m_arg(arg) {}
59 typename F::result_type operator()() const { return m_func(m_arg); }
62 typename F::argument_type m_arg;
67 binder0<F> bind0(const F & func, const typename F::argument_type & arg)
69 return binder0<F>(func, arg);
72 template <typename A, typename R>
73 class FUNC1_ADAPTER : public std::unary_function<A, R>
76 explicit FUNC1_ADAPTER(R (*func)(A)) : m_func(func) {}
77 const R operator()(A arg) const { return (m_func)(arg); }
82 template <typename C, typename A, typename R>
83 class METHOD1_ADAPTER : public std::unary_function<A, R>
86 METHOD1_ADAPTER(R (C::* func)(A), C & obj) : m_func(func), m_obj(obj) {}
87 R operator()(A arg) { return (m_obj.*m_func)(arg); }
93 template <typename C, typename A, typename R>
94 class CONST_METHOD1_ADAPTER : public std::unary_function<A, R>
97 CONST_METHOD1_ADAPTER(R (C::* func)(A) const, C & obj) : m_func(func), m_obj(obj) {}
98 R operator()(A arg) const { return (m_obj.*m_func)(arg); }
100 R (C::* m_func)(A) const;
104 template <typename A, typename R>
105 FUNC1_ADAPTER<A, R> Func1Adapt(R (func)(A))
107 return FUNC1_ADAPTER<A, R>(func);
110 template <typename C, typename A, typename R>
111 METHOD1_ADAPTER<C, A, R> Method1Adapt(R (C::* func)(A), C & obj)
113 return METHOD1_ADAPTER<C, A, R>(func, obj);
116 template <typename C, typename A, typename R>
117 CONST_METHOD1_ADAPTER<C, A, R> Method1Adapt(R (C::* func)(A) const, C & obj)
119 return CONST_METHOD1_ADAPTER<C, A, R>(func, obj);
122 void Version(const std::string & self)
124 std::cout << self << ", version: 2.0.0.\n";
127 void ReadUserConfigFile(SGCONF::OPTION_BLOCK & block)
129 std::vector<std::string> paths;
130 const char * configHome = getenv("XDG_CONFIG_HOME");
131 if (configHome == NULL)
133 const char * home = getenv("HOME");
136 paths.push_back(std::string(home) + "/.config/sgconf/sgconf.conf");
137 paths.push_back(std::string(home) + "/.sgconf/sgconf.conf");
140 paths.push_back(std::string(configHome) + "/sgconf/sgconf.conf");
141 for (std::vector<std::string>::const_iterator it = paths.begin(); it != paths.end(); ++it)
142 if (access(it->c_str(), R_OK) == 0)
144 block.ParseFile(*it);
149 } // namespace anonymous
154 class CONFIG_ACTION : public ACTION
157 CONFIG_ACTION(SGCONF::CONFIG & config,
158 const std::string & paramDescription)
160 m_description(paramDescription)
163 std::string ParamDescription() const override { return m_description; }
164 std::string DefaultDescription() const override { return ""; }
165 OPTION_BLOCK & Suboptions() override { return m_suboptions; }
166 PARSER_STATE Parse(int argc, char ** argv, void * /*data*/) override;
169 SGCONF::CONFIG & m_config;
170 std::string m_description;
171 OPTION_BLOCK m_suboptions;
173 void ParseCredentials(const std::string & credentials);
174 void ParseHostAndPort(const std::string & hostAndPort);
178 PARSER_STATE CONFIG_ACTION::Parse(int argc, char ** argv, void * /*data*/)
183 throw ERROR("Missing argument.");
184 char * pos = strchr(*argv, '@');
187 ParseCredentials(std::string(*argv, pos));
188 ParseHostAndPort(std::string(pos + 1));
192 ParseHostAndPort(std::string(*argv));
194 return PARSER_STATE(false, --argc, ++argv);
197 void CONFIG_ACTION::ParseCredentials(const std::string & credentials)
199 std::string::size_type pos = credentials.find_first_of(':');
200 if (pos != std::string::npos)
202 m_config.userName = credentials.substr(0, pos);
203 m_config.userPass = credentials.substr(pos + 1);
207 m_config.userName = credentials;
211 void CONFIG_ACTION::ParseHostAndPort(const std::string & hostAndPort)
213 std::string::size_type pos = hostAndPort.find_first_of(':');
214 if (pos != std::string::npos)
216 m_config.server = hostAndPort.substr(0, pos);
218 if (str2x(hostAndPort.substr(pos + 1), port))
219 throw ERROR("Invalid port value: '" + hostAndPort.substr(pos + 1) + "'");
220 m_config.port = port;
224 m_config.server = hostAndPort;
228 std::unique_ptr<SGCONF::ACTION> MakeParamAction(SGCONF::CONFIG & config,
229 const std::string & paramDescription)
231 return std::make_unique<CONFIG_ACTION>(config, paramDescription);
234 } // namespace SGCONF
236 //-----------------------------------------------------------------------------
237 int main(int argc, char **argv)
239 std::string self(basename(argv[0]));
240 SGCONF::CONFIG config;
241 SGCONF::COMMANDS commands;
243 SGCONF::OPTION_BLOCKS blocks;
244 blocks.Add("General options")
245 .Add("c", "config", SGCONF::MakeParamAction(config.configFile, std::string("~/.config/stg/sgconf.conf"), "<config file>"), "override default config file")
246 .Add("h", "help", SGCONF::MakeFunc0Action(bind0(Method1Adapt(&SGCONF::OPTION_BLOCKS::Help, blocks), 0)), "\t\tshow this help and exit")
247 //.Add("help-all", SGCONF::MakeFunc0Action(UsageAll), "\t\tshow full help and exit")
248 .Add("v", "version", SGCONF::MakeFunc0Action(bind0(Func1Adapt(Version), self)), "\t\tshow version information and exit");
249 SGCONF::OPTION_BLOCK & block = blocks.Add("Connection options")
250 .Add("s", "server", SGCONF::MakeParamAction(config.server, std::string("localhost"), "<address>"), "\t\thost to connect")
251 .Add("p", "port", SGCONF::MakeParamAction(config.port, uint16_t(5555), "<port>"), "\t\tport to connect")
252 .Add("local-address", SGCONF::MakeParamAction(config.localAddress, std::string(""), "<address>"), "\tlocal address to bind")
253 .Add("local-port", SGCONF::MakeParamAction(config.localPort, uint16_t(0), "<port>"), "\t\tlocal port to bind")
254 .Add("u", "username", SGCONF::MakeParamAction(config.userName, std::string("admin"), "<username>"), "\tadministrative login")
255 .Add("w", "userpass", SGCONF::MakeParamAction(config.userPass, "<password>"), "\tpassword for the administrative login")
256 .Add("a", "address", SGCONF::MakeParamAction(config, "<connection string>"), "connection params as a single string in format: <login>:<password>@<host>:<port>");
257 blocks.Add("Debug options")
258 .Add("show-config", SGCONF::MakeParamAction(config.showConfig), "\tshow config and exit");
259 SGCONF::AppendXMLOptionBlock(commands, blocks);
260 SGCONF::AppendServerInfoBlock(commands, blocks);
261 SGCONF::AppendAdminsOptionBlock(commands, blocks);
262 SGCONF::AppendTariffsOptionBlock(commands, blocks);
263 SGCONF::AppendUsersOptionBlock(commands, blocks);
264 SGCONF::AppendServicesOptionBlock(commands, blocks);
265 SGCONF::AppendCorpsOptionBlock(commands, blocks);
267 SGCONF::PARSER_STATE state(false, argc, argv);
271 state = blocks.Parse(--argc, ++argv); // Skipping self name
273 catch (const SGCONF::OPTION::ERROR& ex)
275 std::cerr << ex.what() << "\n";
284 std::cerr << "Unknown option: '" << *state.argv << "'\n";
290 // Preserve config values parsed from the command line
291 SGCONF::CONFIG configOverride(config);
293 if (!config.configFile)
295 // Read main config file.
296 const char * mainConfigFile = "/etc/sgconf/sgconf.conf";
297 if (access(mainConfigFile, R_OK) == 0)
298 block.ParseFile(mainConfigFile);
300 ReadUserConfigFile(block);
304 // Read user-supplied file.
305 block.ParseFile(config.configFile.value());
308 // Apply overrides from the command line
309 config.splice(configOverride);
311 if (config.showConfig && config.showConfig.value())
313 std::cout << config.Serialize() << std::endl;
316 return commands.Execute(config) ? 0 : -1;
318 catch (const std::exception& ex)
320 std::cerr << ex.what() << "\n";