logger Namespace Reference

Classes
class	Duration
class	DurationTree
struct	EraseDurationTrees
class	LogOptions
struct	LogShutdown
class	Logger
class	DebugTimer

Typedefs
using	ClogSync = sinks::synchronous_sink< sinks::text_ostream_backend >
using	FileSync = sinks::synchronous_sink< sinks::text_file_backend >
using	Clock = std::chrono::steady_clock
using	DurationTreeNode = boost::variant< Duration, DurationTree & >
using	DurationTreeMap = std::unordered_map< std::thread::id, std::unique_ptr< DurationTree >>
using	Channels = std::set< Channel >
using	FatalFunc ) = void(*)(
using	ChannelLogger = boost::log::sources::channel_logger_mt< Channel >
using	SeverityLogger = boost::log::sources::severity_logger_mt< Severity >

Enumerations
enum	Channel { IR = 0, PTX, _NCHANNELS }
enum	Severity {   DEBUG4 = 0, DEBUG3, DEBUG2, DEBUG1,   INFO, WARNING, ERROR, FATAL,   _NSEVERITIES }

Functions
std::string	filename (char const *path)
template<typename TAG >
std::string	replace_braces (std::string const &str, TAG const tag)
boost::log::attributes::current_process_id::value_type::native_type	get_native_process_id (boost::log::value_ref< boost::log::attributes::current_process_id::value_type, tag::process_id > const &pid)
template<typename SINK >
sinks::text_file_backend::open_handler_type	create_or_replace_symlink (boost::weak_ptr< SINK > weak_ptr, std::string &&symlink)
boost::log::formatting_ostream &	operator<< (boost::log::formatting_ostream &strm, boost::log::to_log_manip< Channel, tag::channel > const &manip)
boost::log::formatting_ostream &	operator<< (boost::log::formatting_ostream &strm, boost::log::to_log_manip< Severity, tag::severity > const &manip)
template<typename TAG , typename SINK >
void	set_formatter (SINK &sink)
template<typename FILE_SINK , typename TAG >
boost::shared_ptr< FILE_SINK >	make_sink (LogOptions const &log_opts, boost::filesystem::path const &full_log_dir, TAG const tag)
template<typename CONSOLE_SINK >
boost::shared_ptr< CONSOLE_SINK >	make_sink (LogOptions const &log_opts)
void	init (LogOptions const &log_opts)
void	set_once_fatal_func (FatalFunc fatal_func)
void	shutdown ()
std::istream &	operator>> (std::istream &in, Channels &channels)
std::ostream &	operator<< (std::ostream &out, Channels const &channels)
std::istream &	operator>> (std::istream &in, Severity &sev)
std::ostream &	operator<< (std::ostream &out, Severity const &sev)
template<typename... Ts>
Duration *	newDuration (Severity severity, Ts &&...args)
std::ostream &	operator<< (std::ostream &os, Duration const &duration)
std::ostream &	operator<< (std::ostream &os, DurationTree const &duration_tree)
boost::log::record_ostream &	operator<< (boost::log::record_ostream &os, DurationTreeMap::const_reference kv_pair)
void	logAndEraseDurationTree (std::thread::id const thread_id)
void	debugTimerNewThread (std::thread::id parent_thread_id)
bool	fast_logging_check (Channel)
bool	fast_logging_check (Severity severity)
template<typename X , typename Y >
BOOST_NOINLINE std::string *	check_failed (X const &x, Y const &y, char const *xstr, char const *ystr, char const *op_str)

Variables
std::atomic< FatalFunc >	g_fatal_func {nullptr}
std::once_flag	g_fatal_func_flag
bool	g_any_active_channels {false}
Severity	g_min_active_severity {Severity::FATAL}
std::mutex	gDurationTreeMapMutex
DurationTreeMap	gDurationTreeMap
constexpr std::array< char const *, 2 >	ChannelNames {"IR", "PTX"}
constexpr std::array< char, 2 >	ChannelSymbols {'R', 'P'}
constexpr std::array< char const *, 8 >	SeverityNames
constexpr std::array< char, 8 >	SeveritySymbols {'4', '3', '2', '1', 'I', 'W', 'E', 'F'}

Typedef Documentation

using logger::ChannelLogger = typedef boost::log::sources::channel_logger_mt<Channel>

Definition at line 147 of file Logger.h.

using logger::Channels = typedef std::set<Channel>

Definition at line 103 of file Logger.h.

using logger::Clock = typedef std::chrono::steady_clock

Definition at line 397 of file Logger.cpp.

using logger::ClogSync = typedef sinks::synchronous_sink<sinks::text_ostream_backend>

Definition at line 247 of file Logger.cpp.

using logger::DurationTreeMap = typedef std::unordered_map<std::thread::id, std::unique_ptr<DurationTree>>

Definition at line 473 of file Logger.cpp.

using logger::DurationTreeNode = typedef boost::variant<Duration, DurationTree&>

Definition at line 433 of file Logger.cpp.

using logger::FatalFunc = typedef void (*)(

Definition at line 144 of file Logger.h.

using logger::FileSync = typedef sinks::synchronous_sink<sinks::text_file_backend>

Definition at line 248 of file Logger.cpp.

using logger::SeverityLogger = typedef boost::log::sources::severity_logger_mt<Severity>

Definition at line 150 of file Logger.h.

Enumeration Type Documentation

enum logger::Channel

Enumerator
IR
PTX
_NCHANNELS

Definition at line 61 of file Logger.h.

{ IR = 0, PTX, _NCHANNELS };

enum logger::Severity

Enumerator
DEBUG4
DEBUG3
DEBUG2
DEBUG1
INFO
WARNING
ERROR
FATAL
_NSEVERITIES

Definition at line 73 of file Logger.h.

              {
  DEBUG4 = 0,
  DEBUG3,
  DEBUG2,
  DEBUG1,
  INFO,
  WARNING,
  ERROR,
  FATAL,
  _NSEVERITIES  // number of severity levels
};

Function Documentation

template<typename X , typename Y >

BOOST_NOINLINE std::string* logger::check_failed	(	X const &	x,
		Y const &	y,
		char const *	xstr,
		char const *	ystr,
		char const *	op_str
	)

Definition at line 206 of file Logger.h.

                                                             {
  std::stringstream ss;
  ss << "Check failed: " << xstr << op_str << ystr << " (" << x << op_str << y << ") ";
  return new std::string(ss.str());  // Deleted by CHECK_OP macro.
}

template<typename SINK >

sinks::text_file_backend::open_handler_type logger::create_or_replace_symlink	(	boost::weak_ptr< SINK >	weak_ptr,
		std::string &&	symlink
	)

Definition at line 156 of file Logger.cpp.

References error_code, and filename().

Referenced by make_sink().

                         {
  namespace fs = boost::filesystem;
  return [weak_ptr,
          symlink = std::move(symlink)](sinks::text_file_backend::stream_type& stream) {
    if (boost::shared_ptr<SINK> sink = weak_ptr.lock()) {
      boost::system::error_code ec;
      fs::path const& file_name = sink->locked_backend()->get_current_file_name();
      fs::path const symlink_path = file_name.parent_path() / symlink;
      fs::remove(symlink_path, ec);
      if (ec) {
        stream << filename(__FILE__) << ':' << __LINE__ << ' ' << ec.message() << '\n';
      }
      fs::create_symlink(file_name.filename(), symlink_path, ec);
      if (ec) {
        stream << filename(__FILE__) << ':' << __LINE__ << ' ' << ec.message() << '\n';
      }
    }
  };
}

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void logger::debugTimerNewThread

(

std::thread::id

parent_thread_id

)

Call this when a new thread is spawned that will have timers that need to be associated with timers on the parent thread.

Definition at line 569 of file Logger.cpp.

References g_enable_debug_timer, gDurationTreeMap, and gDurationTreeMapMutex.

                                                       {
  if (g_enable_debug_timer) {
    auto const thread_id = std::this_thread::get_id();
    if (thread_id != parent_thread_id) {
      std::lock_guard<std::mutex> lock_guard(gDurationTreeMapMutex);
      auto parent_itr = gDurationTreeMap.find(parent_thread_id);
      if (parent_itr != gDurationTreeMap.end()) {
        auto& duration_tree_ptr = gDurationTreeMap[thread_id];
        if (!duration_tree_ptr) {
          auto const current_depth = parent_itr->second->currentDepth();
          duration_tree_ptr =
              std::make_unique<DurationTree>(thread_id, current_depth + 1);
          parent_itr->second->pushDurationTree(*duration_tree_ptr);
        }
      }
    }
  }
}

bool logger::fast_logging_check ( Channel  )

inline

Definition at line 171 of file Logger.h.

References g_any_active_channels.

Referenced by query_state::StdLog::log(), and query_state::StdLog::logCallStack().

                                        {
  extern bool g_any_active_channels;
  return g_any_active_channels;
}

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bool logger::fast_logging_check ( Severity  severity )

inline

Definition at line 176 of file Logger.h.

References g_min_active_severity.

                                                  {
  extern Severity g_min_active_severity;
  return g_min_active_severity <= severity;
}

std::string logger::filename

(

char const *

path

)

Definition at line 58 of file Logger.cpp.

Referenced by create_or_replace_symlink(), com.omnisci.jdbc.KeyLoader::getDetails_pkcs12(), logger::LogOptions::LogOptions(), operator<<(), path_has_valid_filename(), File_Namespace::removeFile(), QueryRunner::QueryRunner::setIRFilename(), and logger::Logger::stream().

                                     {
  return boost::filesystem::path(path).filename().string();
}

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boost::log::attributes::current_process_id::value_type::native_type logger::get_native_process_id

(

boost::log::value_ref< boost::log::attributes::current_process_id::value_type, tag::process_id > const &

pid

)

Definition at line 149 of file Logger.cpp.

Referenced by set_formatter().

                                                     {
  return pid ? pid->native_id() : 0;
}

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void logger::init

(

LogOptions const &

log_opts

)

Definition at line 265 of file Logger.cpp.

References _NSEVERITIES, logger::LogOptions::channels_, logger::LogOptions::full_log_dir(), g_any_active_channels, g_min_active_severity, INFO, LOG, logger::LogOptions::max_files_, logger::LogOptions::severity_, and logger::LogOptions::severity_clog_.

Referenced by QueryRunner::QueryRunner::init(), MapDProgramOptions::init_logging(), main(), ColumnarResults::mergeResults(), ResultSetManager::reduce(), and Executor::reduceMultiDeviceResultSets().

                                      {
  boost::shared_ptr<boost::log::core> core = boost::log::core::get();
  // boost::log::add_common_attributes(); // LineID TimeStamp ProcessID ThreadID
  core->add_global_attribute("TimeStamp", attr::local_clock());
  core->add_global_attribute("ProcessID", attr::current_process_id());
  if (0 < log_opts.max_files_) {
    boost::filesystem::path const full_log_dir = log_opts.full_log_dir();
    bool const log_dir_was_created = boost::filesystem::create_directory(full_log_dir);
    // Don't create separate log sinks for anything less than Severity::INFO.
    Severity const min_sink_level = std::max(Severity::INFO, log_opts.severity_);
    for (int i = min_sink_level; i < Severity::_NSEVERITIES; ++i) {
      Severity const level = static_cast<Severity>(i);
      core->add_sink(make_sink<FileSync>(log_opts, full_log_dir, level));
    }
    g_min_active_severity = std::min(g_min_active_severity, log_opts.severity_);
    if (log_dir_was_created) {
      LOG(INFO) << "Log directory(" << full_log_dir.native() << ") created.";
    }
    for (auto const channel : log_opts.channels_) {
      core->add_sink(make_sink<FileSync>(log_opts, full_log_dir, channel));
    }
    g_any_active_channels = !log_opts.channels_.empty();
  }
  core->add_sink(make_sink<ClogSync>(log_opts));
  g_min_active_severity = std::min(g_min_active_severity, log_opts.severity_clog_);
}

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void logger::logAndEraseDurationTree

(

std::thread::id const

thread_id

)

Definition at line 539 of file Logger.cpp.

References CHECK(), gDurationTreeMap, and gDurationTreeMapMutex.

Referenced by logger::DebugTimer::stop().

                                                          {
  std::lock_guard<std::mutex> lock_guard(gDurationTreeMapMutex);
  DurationTreeMap::const_iterator const itr = gDurationTreeMap.find(thread_id);
  CHECK(itr != gDurationTreeMap.cend());
  auto const& base_duration = itr->second->baseDuration();
  if (auto log = Logger(base_duration.severity_)) {
    log.stream(base_duration.file_, base_duration.line_) << *itr;
  }
  EraseDurationTrees const tree_trimmer;
  tree_trimmer(itr);
}

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template<typename FILE_SINK , typename TAG >

boost::shared_ptr<FILE_SINK> logger::make_sink	(	LogOptions const &	log_opts,
		boost::filesystem::path const &	full_log_dir,
		TAG const	tag
	)

Definition at line 210 of file Logger.cpp.

References logger::LogOptions::auto_flush_, create_or_replace_symlink(), logger::LogOptions::file_name_pattern_, INFO, logger::LogOptions::max_files_, logger::LogOptions::min_free_space_, replace_braces(), logger::LogOptions::rotate_daily_, logger::LogOptions::rotation_size_, logger::LogOptions::severity_, and logger::LogOptions::symlink_.

                                                      {
  auto sink = boost::make_shared<FILE_SINK>(
      keywords::file_name =
          full_log_dir / replace_braces(log_opts.file_name_pattern_, tag),
      keywords::auto_flush = log_opts.auto_flush_,
      keywords::rotation_size = log_opts.rotation_size_);
  if /*constexpr*/ (std::is_same<TAG, Channel>::value) {
    sink->set_filter(channel == static_cast<Channel>(tag));
    set_formatter<Channel>(sink);
  } else {
    // INFO sink logs all other levels. Other sinks only log at their level or higher.
    Severity const min_filter_level = static_cast<Severity>(tag) == Severity::INFO
                                          ? log_opts.severity_
                                          : static_cast<Severity>(tag);
    sink->set_filter(min_filter_level <= severity);
    set_formatter<Severity>(sink);
  }
  typename FILE_SINK::locked_backend_ptr backend = sink->locked_backend();
  if (log_opts.rotate_daily_) {
    backend->set_time_based_rotation(sinks::file::rotation_at_time_point(0, 0, 0));
  }
  backend->set_file_collector(
      sinks::file::make_collector(keywords::target = full_log_dir,
                                  keywords::max_files = log_opts.max_files_,
                                  keywords::min_free_space = log_opts.min_free_space_));
  backend->set_open_handler(create_or_replace_symlink(
      boost::weak_ptr<FILE_SINK>(sink), replace_braces(log_opts.symlink_, tag)));
  backend->scan_for_files();
  return sink;
}

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template<typename CONSOLE_SINK >

boost::shared_ptr<CONSOLE_SINK> logger::make_sink

(

LogOptions const &

log_opts

)

Definition at line 251 of file Logger.cpp.

References logger::LogOptions::severity_clog_.

                                                                    {
  auto sink = boost::make_shared<CONSOLE_SINK>();
  boost::shared_ptr<std::ostream> clog(&std::clog, boost::null_deleter());
  sink->locked_backend()->add_stream(clog);
  sink->set_filter(log_opts.severity_clog_ <= severity);
  set_formatter<Severity>(sink);
  return sink;
}

template<typename... Ts>

Duration* logger::newDuration	(	Severity	severity,
		Ts &&...	args
	)

Definition at line 479 of file Logger.cpp.

References run_benchmark_import::args, g_enable_debug_timer, gDurationTreeMap, and gDurationTreeMapMutex.

                                                       {
  if (g_enable_debug_timer) {
    auto const thread_id = std::this_thread::get_id();
    std::lock_guard<std::mutex> lock_guard(gDurationTreeMapMutex);
    auto& duration_tree_ptr = gDurationTreeMap[thread_id];
    if (!duration_tree_ptr) {
      duration_tree_ptr = std::make_unique<DurationTree>(thread_id, 0);
    }
    return duration_tree_ptr->newDuration(severity, std::forward<Ts>(args)...);
  }
  return nullptr;  // Inactive - don't measure or report timing.
}

boost::log::formatting_ostream& logger::operator<<	(	boost::log::formatting_ostream &	strm,
		boost::log::to_log_manip< Channel, tag::channel > const &	manip
	)

Definition at line 178 of file Logger.cpp.

References ChannelSymbols.

                                                            {
  return strm << ChannelSymbols[manip.get()];
}

boost::log::formatting_ostream& logger::operator<<	(	boost::log::formatting_ostream &	strm,
		boost::log::to_log_manip< Severity, tag::severity > const &	manip
	)

Definition at line 184 of file Logger.cpp.

References SeveritySymbols.

                                                              {
  return strm << SeveritySymbols[manip.get()];
}

std::ostream& logger::operator<<	(	std::ostream &	out,
		Channels const &	channels
	)

Definition at line 323 of file Logger.cpp.

References ChannelNames, and out.

                                                                  {
  int i = 0;
  for (auto const channel : channels) {
    out << (i++ ? " " : "") << ChannelNames.at(channel);
  }
  return out;
}

std::ostream& logger::operator<<	(	std::ostream &	out,
		Severity const &	sev
	)

Definition at line 345 of file Logger.cpp.

References SeverityNames.

                                                             {
  return out << SeverityNames.at(sev);
}

std::ostream& logger::operator<<	(	std::ostream &	os,
		Duration const &	duration
	)

Definition at line 492 of file Logger.cpp.

References logger::Duration::depth_, logger::Duration::file_, filename(), logger::Duration::line_, logger::Duration::name_, and logger::Duration::value().

                                                                 {
  return os << std::setw(2 * duration.depth_) << ' ' << duration.value() << "ms "
            << duration.name_ << ' ' << filename(duration.file_) << ':' << duration.line_;
}

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std::ostream& logger::operator<<	(	std::ostream &	os,
		DurationTree const &	duration_tree
	)

Definition at line 497 of file Logger.cpp.

References logger::DurationTree::depth_, logger::DurationTree::durations(), and logger::DurationTree::thread_id_.

                                                                          {
  os << std::setw(2 * duration_tree.depth_) << ' ' << "New thread("
     << duration_tree.thread_id_ << ')';
  for (auto const& duration_tree_node : duration_tree.durations()) {
    os << '\n' << duration_tree_node;
  }
  return os << '\n'
            << std::setw(2 * duration_tree.depth_) << ' ' << "End thread("
            << duration_tree.thread_id_ << ')';
}

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boost::log::record_ostream& logger::operator<<	(	boost::log::record_ostream &	os,
		DurationTreeMap::const_reference	kv_pair
	)

Definition at line 509 of file Logger.cpp.

                                                                               {
  auto itr = kv_pair.second->durations().cbegin();
  auto const end = kv_pair.second->durations().cend();
  auto const& base_duration = boost::get<Duration>(*itr);
  os << "DEBUG_TIMER thread_id(" << kv_pair.first << ")\n"
     << base_duration.value() << "ms total duration for " << base_duration.name_;
  for (++itr; itr != end; ++itr) {
    os << '\n' << *itr;
  }
  return os;
}

std::istream& logger::operator>>	(	std::istream &	in,
		Channels &	channels
	)

Definition at line 304 of file Logger.cpp.

References ChannelNames.

                                                           {
  std::string line;
  std::getline(in, line);
  std::regex const rex(R"(\w+)");
  using TokenItr = std::regex_token_iterator<std::string::iterator>;
  TokenItr const end;
  for (TokenItr tok(line.begin(), line.end(), rex); tok != end; ++tok) {
    auto itr = std::find(ChannelNames.cbegin(), ChannelNames.cend(), *tok);
    if (itr == ChannelNames.cend()) {
      in.setstate(std::ios_base::failbit);
      break;
    } else {
      channels.emplace(static_cast<Channel>(itr - ChannelNames.cbegin()));
    }
  }
  return in;
}

std::istream& logger::operator>>	(	std::istream &	in,
		Severity &	sev
	)

Definition at line 332 of file Logger.cpp.

References SeverityNames.

                                                      {
  std::string token;
  in >> token;
  auto itr = std::find(SeverityNames.cbegin(), SeverityNames.cend(), token);
  if (itr == SeverityNames.cend()) {
    in.setstate(std::ios_base::failbit);
  } else {
    sev = static_cast<Severity>(itr - SeverityNames.cbegin());
  }
  return in;
}

template<typename TAG >

std::string logger::replace_braces	(	std::string const &	str,
		TAG const	tag
	)

Definition at line 138 of file Logger.cpp.

References ChannelNames, and SeverityNames.

Referenced by make_sink().

                                                              {
  constexpr std::regex::flag_type flags = std::regex::ECMAScript | std::regex::optimize;
  static std::regex const regex(R"(\{SEVERITY\})", flags);
  if /*constexpr*/ (std::is_same<TAG, Channel>::value) {
    return std::regex_replace(str, regex, ChannelNames[tag]);
  } else {
    return std::regex_replace(str, regex, SeverityNames[tag]);
  }
}

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template<typename TAG , typename SINK >

void logger::set_formatter

(

SINK &

sink

)

Definition at line 191 of file Logger.cpp.

References get_native_process_id().

                               {
  if /*constexpr*/ (std::is_same<TAG, Channel>::value) {
    sink->set_formatter(
        expr::stream << expr::format_date_time<boost::posix_time::ptime>(
                            "TimeStamp", "%Y-%m-%dT%H:%M:%S.%f")
                     << ' ' << channel << ' '
                     << boost::phoenix::bind(&get_native_process_id, process_id.or_none())
                     << ' ' << expr::smessage);
  } else {
    sink->set_formatter(
        expr::stream << expr::format_date_time<boost::posix_time::ptime>(
                            "TimeStamp", "%Y-%m-%dT%H:%M:%S.%f")
                     << ' ' << severity << ' '
                     << boost::phoenix::bind(&get_native_process_id, process_id.or_none())
                     << ' ' << expr::smessage);
  }
}

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void logger::set_once_fatal_func

(

FatalFunc

fatal_func

)

Definition at line 292 of file Logger.cpp.

References g_fatal_func.

Referenced by QueryRunner::QueryRunner::QueryRunner().

                                               {
  if (g_fatal_func.exchange(fatal_func)) {
    throw std::runtime_error(
        "logger::set_once_fatal_func() should not be called more than once.");
  }
}

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void logger::shutdown

(

)

Definition at line 299 of file Logger.cpp.

Referenced by heartbeat(), anonymous_namespace{QueryRunner.cpp}::mapd_signal_handler(), startMapdServer(), and logger::LogShutdown::~LogShutdown().

                {
  boost::log::core::get()->remove_all_sinks();
}

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Variable Documentation

constexpr std::array<char const*, 2> logger::ChannelNames {"IR", "PTX"}

Definition at line 63 of file Logger.h.

Referenced by logger::LogOptions::LogOptions(), operator<<(), operator>>(), and replace_braces().

constexpr std::array<char, 2> logger::ChannelSymbols {'R', 'P'}

Definition at line 65 of file Logger.h.

Referenced by operator<<().

bool logger::g_any_active_channels {false}

Definition at line 262 of file Logger.cpp.

Referenced by fast_logging_check(), and init().

std::atomic<FatalFunc> logger::g_fatal_func {nullptr}

Definition at line 244 of file Logger.cpp.

Referenced by set_once_fatal_func(), and logger::Logger::~Logger().

std::once_flag logger::g_fatal_func_flag

Definition at line 245 of file Logger.cpp.

Referenced by logger::Logger::~Logger().

Severity logger::g_min_active_severity {Severity::FATAL}

Definition at line 263 of file Logger.cpp.

Referenced by fast_logging_check(), and init().

DurationTreeMap logger::gDurationTreeMap

Definition at line 476 of file Logger.cpp.

Referenced by debugTimerNewThread(), logAndEraseDurationTree(), newDuration(), and logger::EraseDurationTrees::operator()().

std::mutex logger::gDurationTreeMapMutex

Definition at line 475 of file Logger.cpp.

Referenced by debugTimerNewThread(), logAndEraseDurationTree(), and newDuration().

constexpr std::array<char const*, 8> logger::SeverityNames

Initial value:

{"DEBUG4",
                                                   "DEBUG3",
                                                   "DEBUG2",
                                                   "DEBUG1",
                                                   "INFO",
                                                   "WARNING",
                                                   "ERROR",
                                                   "FATAL"}

Definition at line 85 of file Logger.h.

Referenced by logger::LogOptions::LogOptions(), operator<<(), operator>>(), and replace_braces().

constexpr std::array<char, 8> logger::SeveritySymbols {'4', '3', '2', '1', 'I', 'W', 'E', 'F'}

Definition at line 94 of file Logger.h.

Referenced by operator<<().