355 lines
15 KiB
C++
355 lines
15 KiB
C++
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/*
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* Copyright (c) 2018 Lubos Ilcik, and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <graphene/app/config_util.hpp>
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#include <graphene/chain/config.hpp>
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#include <fc/reflect/variant.hpp>
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#include <fc/string.hpp>
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#include <fc/exception/exception.hpp>
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#include <fc/log/console_appender.hpp>
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#include <fc/log/file_appender.hpp>
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#include <fc/log/logger_config.hpp>
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#include <boost/property_tree/ptree.hpp>
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#include <boost/property_tree/ini_parser.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string.hpp>
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#include <fstream>
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namespace bpo = boost::program_options;
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class deduplicator
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{
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public:
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deduplicator() : modifier(nullptr) {}
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deduplicator(const boost::shared_ptr<bpo::option_description> (*mod_fn)(const boost::shared_ptr<bpo::option_description>&))
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: modifier(mod_fn) {}
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const boost::shared_ptr<bpo::option_description> next(const boost::shared_ptr<bpo::option_description>& o)
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{
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const std::string name = o->long_name();
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if( seen.find( name ) != seen.end() )
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return nullptr;
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seen.insert(name);
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return modifier ? modifier(o) : o;
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}
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private:
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boost::container::flat_set<std::string> seen;
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const boost::shared_ptr<bpo::option_description> (*modifier)(const boost::shared_ptr<bpo::option_description>&);
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};
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// Currently, you can only specify the filenames and logging levels, which
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// are all most users would want to change. At a later time, options can
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// be added to control rotation intervals, compression, and other seldom-
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// used features
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static void write_default_logging_config_to_stream(std::ostream& out)
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{
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out << "# declare an appender named \"stderr\" that writes messages to the console\n"
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"[log.console_appender.stderr]\n"
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"stream=std_error\n\n"
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"# declare an appender named \"default\" that writes messages to default.log\n"
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"[log.file_appender.default]\n"
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"# filename can be absolute or relative to this config file\n"
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"filename=logs/default/default.log\n"
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"# Rotate log every ? minutes, if leave out default to 60\n"
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"rotation_interval=60\n"
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"# how long will logs be kept (in days), if leave out default to 1\n"
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"rotation_limit=7\n\n"
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"# declare an appender named \"p2p\" that writes messages to p2p.log\n"
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"[log.file_appender.p2p]\n"
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"# filename can be absolute or relative to this config file\n"
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"filename=logs/p2p/p2p.log\n"
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"# Rotate log every ? minutes, if leave out default to 60\n"
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"rotation_interval=60\n"
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"# how long will logs be kept (in days), if leave out default to 1\n"
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"rotation_limit=7\n\n"
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"# declare an appender named \"rpc\" that writes messages to rpc.log\n"
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"[log.file_appender.rpc]\n"
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"# filename can be absolute or relative to this config file\n"
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"filename=logs/rpc/rpc.log\n"
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"# Rotate log every ? minutes, if leave out default to 60\n"
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"rotation_interval=60\n"
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"# how long will logs be kept (in days), if leave out default to 1\n"
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"rotation_limit=7\n\n"
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"# route any messages logged to the default logger to the \"stderr\" appender and\n"
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"# \"default\" appender we declared above, if they are info level or higher\n"
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"[logger.default]\n"
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"level=info\n"
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"appenders=stderr,default\n\n"
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"# route messages sent to the \"p2p\" logger to the \"p2p\" appender declared above\n"
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"[logger.p2p]\n"
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"level=warn\n"
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"appenders=p2p\n\n"
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"# route messages sent to the \"rpc\" logger to the \"rpc\" appender declared above\n"
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"[logger.rpc]\n"
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"level=error\n"
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"appenders=rpc\n\n";
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}
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// logging config is too complicated to be parsed by boost::program_options,
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// so we do it by hand
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static fc::optional<fc::logging_config> load_logging_config_from_ini_file(const fc::path& config_ini_filename)
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{
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try
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{
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fc::logging_config logging_config;
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bool found_logging_config = false;
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boost::property_tree::ptree config_ini_tree;
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boost::property_tree::ini_parser::read_ini(config_ini_filename.preferred_string().c_str(), config_ini_tree);
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for (const auto& section : config_ini_tree)
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{
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const std::string& section_name = section.first;
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const boost::property_tree::ptree& section_tree = section.second;
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const std::string console_appender_section_prefix = "log.console_appender.";
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const std::string file_appender_section_prefix = "log.file_appender.";
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const std::string logger_section_prefix = "logger.";
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if (boost::starts_with(section_name, console_appender_section_prefix))
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{
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std::string console_appender_name = section_name.substr(console_appender_section_prefix.length());
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std::string stream_name = section_tree.get<std::string>("stream");
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// construct a default console appender config here
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// stdout/stderr will be taken from ini file, everything else hard-coded here
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fc::console_appender::config console_appender_config;
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console_appender_config.level_colors.emplace_back(
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fc::console_appender::level_color(fc::log_level::debug,
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fc::console_appender::color::green));
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console_appender_config.level_colors.emplace_back(
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fc::console_appender::level_color(fc::log_level::warn,
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fc::console_appender::color::brown));
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console_appender_config.level_colors.emplace_back(
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fc::console_appender::level_color(fc::log_level::error,
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fc::console_appender::color::cyan));
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console_appender_config.stream = fc::variant(stream_name).as<fc::console_appender::stream::type>(GRAPHENE_MAX_NESTED_OBJECTS);
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logging_config.appenders.push_back(fc::appender_config(console_appender_name, "console", fc::variant(console_appender_config, GRAPHENE_MAX_NESTED_OBJECTS)));
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found_logging_config = true;
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}
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else if (boost::starts_with(section_name, file_appender_section_prefix))
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{
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std::string file_appender_name = section_name.substr(file_appender_section_prefix.length());
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fc::path file_name = section_tree.get<std::string>("filename");
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if (file_name.is_relative())
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file_name = fc::absolute(config_ini_filename).parent_path() / file_name;
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int interval = section_tree.get_optional<int>("rotation_interval").get_value_or(60);
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int limit = section_tree.get_optional<int>("rotation_limit").get_value_or(1);
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// construct a default file appender config here
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// filename will be taken from ini file, everything else hard-coded here
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fc::file_appender::config file_appender_config;
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file_appender_config.filename = file_name;
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file_appender_config.flush = true;
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file_appender_config.rotate = true;
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file_appender_config.rotation_interval = fc::minutes(interval);
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file_appender_config.rotation_limit = fc::days(limit);
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logging_config.appenders.push_back(fc::appender_config(file_appender_name, "file", fc::variant(file_appender_config, GRAPHENE_MAX_NESTED_OBJECTS)));
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found_logging_config = true;
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}
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else if (boost::starts_with(section_name, logger_section_prefix))
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{
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std::string logger_name = section_name.substr(logger_section_prefix.length());
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std::string level_string = section_tree.get<std::string>("level");
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std::string appenders_string = section_tree.get<std::string>("appenders");
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fc::logger_config logger_config(logger_name);
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logger_config.level = fc::variant(level_string).as<fc::log_level>(5);
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boost::split(logger_config.appenders, appenders_string,
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boost::is_any_of(" ,"),
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boost::token_compress_on);
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logging_config.loggers.push_back(logger_config);
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found_logging_config = true;
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}
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}
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if (found_logging_config)
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return logging_config;
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else
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return fc::optional<fc::logging_config>();
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}
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FC_RETHROW_EXCEPTIONS(warn, "")
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}
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static const boost::shared_ptr<bpo::option_description> new_option_description( const std::string& name, const bpo::value_semantic* value, const std::string& description )
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{
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bpo::options_description helper("");
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helper.add_options()( name.c_str(), value, description.c_str() );
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return helper.options()[0];
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}
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static void load_config_file(const fc::path& config_ini_path, const bpo::options_description& cfg_options,
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bpo::variables_map& options )
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{
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deduplicator dedup;
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bpo::options_description unique_options("Graphene Witness Node");
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for( const boost::shared_ptr<bpo::option_description> opt : cfg_options.options() )
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{
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const boost::shared_ptr<bpo::option_description> od = dedup.next(opt);
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if( !od ) continue;
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unique_options.add( od );
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}
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// get the basic options
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bpo::store(bpo::parse_config_file<char>(config_ini_path.preferred_string().c_str(),
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unique_options, true), options);
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}
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static bool load_logging_config_file(const fc::path& config_ini_path)
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{
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// try to get logging options from the config file.
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try
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{
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fc::optional<fc::logging_config> logging_config = load_logging_config_from_ini_file(config_ini_path);
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if (logging_config)
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{
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fc::configure_logging(*logging_config);
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return true;
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}
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}
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catch (const fc::exception& ex)
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{
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wlog("Error parsing logging config from logging config file ${config}, using default config", ("config", config_ini_path.preferred_string()));
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}
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return false;
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}
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static void create_new_config_file(const fc::path& config_ini_path, const fc::path& data_dir,
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const bpo::options_description& cfg_options )
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{
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ilog("Writing new config file at ${path}", ("path", config_ini_path));
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if( !fc::exists(data_dir) )
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fc::create_directories(data_dir);
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auto modify_option_defaults = [](const boost::shared_ptr<bpo::option_description>& o) -> const boost::shared_ptr<bpo::option_description> {
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const std::string& name = o->long_name();
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if( name == "partial-operations" )
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return new_option_description(name, bpo::value<bool>()->default_value(true), o->description() );
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if( name == "max-ops-per-account" )
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return new_option_description(name, bpo::value<int>()->default_value(100), o->description() );
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return o;
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};
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deduplicator dedup(modify_option_defaults);
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std::ofstream out_cfg(config_ini_path.preferred_string());
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std::string plugin_header_surrounding( 78, '=' );
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for( const boost::shared_ptr<bpo::option_description> opt : cfg_options.options() )
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{
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const boost::shared_ptr<bpo::option_description> od = dedup.next(opt);
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if( !od ) continue;
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if( od->long_name().find("plugin-cfg-header-") == 0 ) // it's a plugin header
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{
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out_cfg << "\n";
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out_cfg << "# " << plugin_header_surrounding << "\n";
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out_cfg << "# " << od->description() << "\n";
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out_cfg << "# " << plugin_header_surrounding << "\n";
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out_cfg << "\n";
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continue;
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}
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if( !od->description().empty() )
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out_cfg << "# " << od->description() << "\n";
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boost::any store;
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if( !od->semantic()->apply_default(store) )
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out_cfg << "# " << od->long_name() << " = \n";
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else {
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auto example = od->format_parameter();
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if( example.empty() )
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// This is a boolean switch
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out_cfg << od->long_name() << " = " << "false\n";
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else {
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// The string is formatted "arg (=<interesting part>)"
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example.erase(0, 6);
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example.erase(example.length()-1);
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out_cfg << od->long_name() << " = " << example << "\n";
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}
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}
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out_cfg << "\n";
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}
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out_cfg << "\n"
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<< "# " << plugin_header_surrounding << "\n"
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<< "# logging options\n"
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<< "# " << plugin_header_surrounding << "\n"
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<< "#\n"
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<< "# Logging configuration is loaded from logging.ini by default.\n"
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<< "# If logging.ini exists, logging configuration added in this file will be ignored.\n";
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out_cfg.close();
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}
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static void create_logging_config_file(const fc::path& config_ini_path, const fc::path& data_dir)
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{
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ilog("Writing new config file at ${path}", ("path", config_ini_path));
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if (!exists(data_dir))
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{
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create_directories(data_dir);
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}
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std::ofstream out_cfg(config_ini_path.preferred_string());
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write_default_logging_config_to_stream(out_cfg);
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out_cfg.close();
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}
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namespace graphene { namespace app {
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void load_configuration_options(const fc::path& data_dir, const bpo::options_description& cfg_options, bpo::variables_map& options)
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{
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const auto config_ini_path = data_dir / "config.ini";
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|
const auto logging_ini_path = data_dir / "logging.ini";
|
||
|
|
|
||
|
|
if(!exists(config_ini_path) && fc::exists(logging_ini_path))
|
||
|
|
{
|
||
|
|
// this is an uncommon case
|
||
|
|
create_new_config_file(config_ini_path, data_dir, cfg_options);
|
||
|
|
}
|
||
|
|
else if(!exists(config_ini_path))
|
||
|
|
{
|
||
|
|
// create default config.ini and logging.ini
|
||
|
|
create_new_config_file(config_ini_path, data_dir, cfg_options);
|
||
|
|
create_logging_config_file(logging_ini_path, data_dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
// load witness node configuration
|
||
|
|
load_config_file(config_ini_path, cfg_options, options);
|
||
|
|
|
||
|
|
// load logging configuration
|
||
|
|
if (fc::exists(logging_ini_path))
|
||
|
|
{
|
||
|
|
load_logging_config_file(logging_ini_path);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// this is the legacy config.ini case
|
||
|
|
load_logging_config_file(config_ini_path);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} } // graphene::app
|