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#include "Logger.hpp"
#include <boost/algorithm/string/predicate.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/log/core.hpp>
#include <boost/log/common.hpp>
#include <boost/log/sinks.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/expressions/keyword.hpp>
#include <boost/log/attributes.hpp>
#include <boost/log/attributes/clock.hpp>
#include <boost/log/attributes/counter.hpp>
#include <boost/log/attributes/current_process_id.hpp>
#include <boost/log/attributes/current_thread_id.hpp>
#include <boost/log/utility/setup/console.hpp>
#include <boost/log/utility/setup/filter_parser.hpp>
#include <boost/log/utility/setup/from_stream.hpp>
#include <boost/log/utility/setup/settings.hpp>
#include <boost/log/sinks/sync_frontend.hpp>
#include <boost/log/sinks/text_ostream_backend.hpp>
#include <boost/log/support/date_time.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/filesystem/fstream.hpp>
#include <string>
namespace fs = boost::filesystem;
namespace logging = boost::log;
namespace srcs = logging::sources;
namespace sinks = logging::sinks;
namespace keywords = logging::keywords;
namespace expr = logging::expressions;
namespace attrs = logging::attributes;
namespace ptime = boost::posix_time;
BOOST_LOG_GLOBAL_LOGGER_CTOR_ARGS (sys,
srcs::severity_channel_logger_mt<logging::trivial::severity_level>,
(keywords::channel = "SYSLOG"));
BOOST_LOG_GLOBAL_LOGGER_CTOR_ARGS (data,
srcs::severity_channel_logger_mt<logging::trivial::severity_level>,
(keywords::channel = "DATALOG"));
namespace Logger
{
namespace
{
// Custom formatter factory to add TimeStamp format support in config ini file.
// Allows %TimeStamp(format=\"%Y.%m.%d %H:%M:%S.%f\")% to be used in ini config file for property Format.
class TimeStampFormatterFactory
: public logging::basic_formatter_factory<char, ptime::ptime>
{
public:
formatter_type create_formatter (logging::attribute_name const& name, args_map const& args)
{
args_map::const_iterator it = args.find ("format");
if (it != args.end ())
{
return expr::stream
<< expr::format_date_time<ptime::ptime>
(
expr::attr<ptime::ptime> (name), it->second
);
}
else
{
return expr::stream
<< expr::attr<ptime::ptime> (name);
}
}
};
// Custom formatter factory to add Uptime format support in config ini file.
// Allows %Uptime(format=\"%O:%M:%S.%f\")% to be used in ini config file for property Format.
// attrs::timer value type is ptime::time_duration
class UptimeFormatterFactory
: public logging::basic_formatter_factory<char, ptime::time_duration>
{
public:
formatter_type create_formatter (logging::attribute_name const& name, args_map const& args)
{
args_map::const_iterator it = args.find ("format");
if (it != args.end ())
{
return expr::stream
<< expr::format_date_time<ptime::time_duration>
(
expr::attr<ptime::time_duration> (name), it->second
);
}
else
{
return expr::stream
<< expr::attr<ptime::time_duration> (name);
}
}
};
class CommonInitialization
{
public:
CommonInitialization ()
{
// Add attributes: LineID, TimeStamp, ProcessID, ThreadID, and Uptime
auto core = logging::core::get ();
core->add_global_attribute ("LineID", attrs::counter<unsigned int> (1));
core->add_global_attribute ("TimeStamp", attrs::utc_clock ());
core->add_global_attribute ("ProcessID", attrs::current_process_id ());
core->add_global_attribute ("ThreadID", attrs::current_thread_id ());
core->add_global_attribute ("Uptime", attrs::timer ());
// Allows %Severity% to be used in ini config file for property Filter.
logging::register_simple_filter_factory<logging::trivial::severity_level, char> ("Severity");
// Allows %Severity% to be used in ini config file for property Format.
logging::register_simple_formatter_factory<logging::trivial::severity_level, char> ("Severity");
// Allows %TimeStamp(format=\"%Y.%m.%d %H:%M:%S.%f\")% to be used in ini config file for property Format.
logging::register_formatter_factory ("TimeStamp", boost::make_shared<TimeStampFormatterFactory> ());
// Allows %Uptime(format=\"%O:%M:%S.%f\")% to be used in ini config file for property Format.
logging::register_formatter_factory ("Uptime", boost::make_shared<UptimeFormatterFactory> ());
}
~CommonInitialization ()
{
}
};
}
void init ()
{
CommonInitialization ci;
}
void init_from_config (std::wistream& stream)
{
CommonInitialization ci;
try
{
// Still can throw even with the exception suppressor above.
logging::init_from_stream (stream);
}
catch (std::exception& e)
{
std::string err = "Caught exception initializing boost logging: ";
err += e.what ();
// Since we cannot be sure of boost log state, output to cerr and cout.
std::cerr << "ERROR: " << err << std::endl;
LOG_ERROR (err);
throw;
}
}
void disable ()
{
logging::core::get ()->set_logging_enabled (false);
}
void add_datafile_log (std::wstring const& log_file_name)
{
// Create a text file sink
boost::shared_ptr<sinks::wtext_ostream_backend> backend
(
new sinks::wtext_ostream_backend()
);
backend->add_stream (boost::shared_ptr<std::wostream> (new fs::wofstream (log_file_name)));
// Flush after each log record
backend->auto_flush (true);
// Create a sink for the backend
typedef sinks::synchronous_sink<sinks::wtext_ostream_backend> sink_t;
boost::shared_ptr<sink_t> sink (new sink_t (backend));
// The log output formatter
sink->set_formatter (expr::format (L"[%1%][%2%] %3%")
% expr::attr<ptime::ptime> ("TimeStamp")
% logging::trivial::severity
% expr::message
);
// Filter by severity and by DATALOG channel
sink->set_filter (logging::trivial::severity >= logging::trivial::info &&
expr::attr<std::string> ("Channel") == "DATALOG");
// Add it to the core
logging::core::get ()->add_sink (sink);
}
}
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