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monero/external/easylogging++/easylogging++.h

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//
// Bismillah ar-Rahmaan ar-Raheem
//
// Easylogging++ v9.96.7
// Single-header only, cross-platform logging library for C++ applications
//
// Copyright (c) 2012-2018 Zuhd Web Services
// Copyright (c) 2012-2018 @abumusamq
//
// This library is released under the MIT Licence.
// https://github.com/zuhd-org/easyloggingpp/blob/master/LICENSE
//
// https://zuhd.org
// http://muflihun.com
//
#ifndef EASYLOGGINGPP_H
#define EASYLOGGINGPP_H
#include "ea_config.h"
// Compilers and C++0x/C++11 Evaluation
#if __cplusplus >= 201103L
# define ELPP_CXX11 1
#endif // __cplusplus >= 201103L
#if (defined(__GNUC__))
# define ELPP_COMPILER_GCC 1
#else
# define ELPP_COMPILER_GCC 0
#endif
#if ELPP_COMPILER_GCC
# define ELPP_GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
# if defined(__GXX_EXPERIMENTAL_CXX0X__)
# define ELPP_CXX0X 1
# endif
#endif
// Visual C++
#if defined(_MSC_VER)
# define ELPP_COMPILER_MSVC 1
#else
# define ELPP_COMPILER_MSVC 0
#endif
#define ELPP_CRT_DBG_WARNINGS ELPP_COMPILER_MSVC
#if ELPP_COMPILER_MSVC
# if (_MSC_VER == 1600)
# define ELPP_CXX0X 1
# elif(_MSC_VER >= 1700)
# define ELPP_CXX11 1
# endif
#endif
// Clang++
#if (defined(__clang__) && (__clang__ == 1))
# define ELPP_COMPILER_CLANG 1
#else
# define ELPP_COMPILER_CLANG 0
#endif
#if ELPP_COMPILER_CLANG
# if __has_include(<thread>)
# include <cstddef> // Make __GLIBCXX__ defined when using libstdc++
# if !defined(__GLIBCXX__) || __GLIBCXX__ >= 20150426
# define ELPP_CLANG_SUPPORTS_THREAD
# endif // !defined(__GLIBCXX__) || __GLIBCXX__ >= 20150426
# endif // __has_include(<thread>)
#endif
#if (defined(__MINGW32__) || defined(__MINGW64__))
# define ELPP_MINGW 1
#else
# define ELPP_MINGW 0
#endif
#if (defined(__CYGWIN__) && (__CYGWIN__ == 1))
# define ELPP_CYGWIN 1
#else
# define ELPP_CYGWIN 0
#endif
#if (defined(__INTEL_COMPILER))
# define ELPP_COMPILER_INTEL 1
#else
# define ELPP_COMPILER_INTEL 0
#endif
// Operating System Evaluation
// Windows
#if (defined(_WIN32) || defined(_WIN64))
# define ELPP_OS_WINDOWS 1
#else
# define ELPP_OS_WINDOWS 0
#endif
// Linux
#if (defined(__linux) || defined(__linux__))
# define ELPP_OS_LINUX 1
#else
# define ELPP_OS_LINUX 0
#endif
#if (defined(__APPLE__))
# define ELPP_OS_MAC 1
#else
# define ELPP_OS_MAC 0
#endif
#if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__))
# define ELPP_OS_FREEBSD 1
#else
# define ELPP_OS_FREEBSD 0
#endif
#if (defined(__OpenBSD__))
# define ELPP_OS_OPENBSD 1
#else
# define ELPP_OS_OPENBSD 0
#endif
#if (defined(__NetBSD__))
# define ELPP_OS_NETBSD 1
#else
# define ELPP_OS_NETBSD 0
#endif
#if (defined(__sun))
# define ELPP_OS_SOLARIS 1
#else
# define ELPP_OS_SOLARIS 0
#endif
#if (defined(_AIX))
# define ELPP_OS_AIX 1
#else
# define ELPP_OS_AIX 0
#endif
#if (defined(__NetBSD__))
# define ELPP_OS_NETBSD 1
#else
# define ELPP_OS_NETBSD 0
#endif
#if defined(__EMSCRIPTEN__)
# define ELPP_OS_EMSCRIPTEN 1
#else
# define ELPP_OS_EMSCRIPTEN 0
#endif
#if (defined(__DragonFly__))
# define ELPP_OS_DRAGONFLY 1
#else
# define ELPP_OS_DRAGONFLY 0
#endif
// Unix
#if ((ELPP_OS_LINUX || ELPP_OS_MAC || ELPP_OS_FREEBSD || ELPP_OS_NETBSD || ELPP_OS_SOLARIS || ELPP_OS_AIX || ELPP_OS_EMSCRIPTEN || ELPP_OS_DRAGONFLY || ELPP_OS_OPENBSD) && (!ELPP_OS_WINDOWS))
# define ELPP_OS_UNIX 1
#else
# define ELPP_OS_UNIX 0
#endif
#if (defined(__ANDROID__))
# define ELPP_OS_ANDROID 1
#else
# define ELPP_OS_ANDROID 0
#endif
// Evaluating Cygwin as *nix OS
#if !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN
# undef ELPP_OS_UNIX
# undef ELPP_OS_LINUX
# define ELPP_OS_UNIX 1
# define ELPP_OS_LINUX 1
#endif // !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN
#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_INFO)
# define ELPP_INTERNAL_DEBUGGING_OUT_INFO std::cout
#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_ERROR)
# define ELPP_INTERNAL_DEBUGGING_OUT_ERROR std::cerr
#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
#if !defined(ELPP_INTERNAL_DEBUGGING_ENDL)
# define ELPP_INTERNAL_DEBUGGING_ENDL std::endl
#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
#if !defined(ELPP_INTERNAL_DEBUGGING_MSG)
# define ELPP_INTERNAL_DEBUGGING_MSG(msg) msg
#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
// Internal Assertions and errors
#if !defined(ELPP_DISABLE_ASSERT)
# if (defined(ELPP_DEBUG_ASSERT_FAILURE))
# define ELPP_ASSERT(expr, msg) if (!(expr)) { \
std::stringstream internalInfoStream; internalInfoStream << msg; \
ELPP_INTERNAL_DEBUGGING_OUT_ERROR \
<< "EASYLOGGING++ ASSERTION FAILED (LINE: " << __LINE__ << ") [" #expr << "] WITH MESSAGE \"" \
<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" << ELPP_INTERNAL_DEBUGGING_ENDL; base::utils::abort(1, \
"ELPP Assertion failure, please define ELPP_DEBUG_ASSERT_FAILURE"); }
# else
# define ELPP_ASSERT(expr, msg) if (!(expr)) { \
std::stringstream internalInfoStream; internalInfoStream << msg; \
ELPP_INTERNAL_DEBUGGING_OUT_ERROR\
<< "ASSERTION FAILURE FROM EASYLOGGING++ (LINE: " \
<< __LINE__ << ") [" #expr << "] WITH MESSAGE \"" << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" \
<< ELPP_INTERNAL_DEBUGGING_ENDL; }
# endif // (defined(ELPP_DEBUG_ASSERT_FAILURE))
#else
# define ELPP_ASSERT(x, y)
#endif //(!defined(ELPP_DISABLE_ASSERT)
#if ELPP_COMPILER_MSVC
# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \
{ char buff[256]; strerror_s(buff, 256, errno); \
ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << buff << " [" << errno << "]";} (void)0
#else
# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \
ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << strerror(errno) << " [" << errno << "]"; (void)0
#endif // ELPP_COMPILER_MSVC
#if defined(ELPP_DEBUG_ERRORS)
# if !defined(ELPP_INTERNAL_ERROR)
# define ELPP_INTERNAL_ERROR(msg, pe) { \
std::stringstream internalInfoStream; internalInfoStream << "<ERROR> " << msg; \
ELPP_INTERNAL_DEBUGGING_OUT_ERROR \
<< "ERROR FROM EASYLOGGING++ (LINE: " << __LINE__ << ") " \
<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << ELPP_INTERNAL_DEBUGGING_ENDL; \
if (pe) { ELPP_INTERNAL_DEBUGGING_OUT_ERROR << " "; ELPP_INTERNAL_DEBUGGING_WRITE_PERROR; }} (void)0
# endif
#else
# undef ELPP_INTERNAL_INFO
# define ELPP_INTERNAL_ERROR(msg, pe)
#endif // defined(ELPP_DEBUG_ERRORS)
#if (defined(ELPP_DEBUG_INFO))
# if !(defined(ELPP_INTERNAL_INFO_LEVEL))
# define ELPP_INTERNAL_INFO_LEVEL 9
# endif // !(defined(ELPP_INTERNAL_INFO_LEVEL))
# if !defined(ELPP_INTERNAL_INFO)
# define ELPP_INTERNAL_INFO(lvl, msg) { if (lvl <= ELPP_INTERNAL_INFO_LEVEL) { \
std::stringstream internalInfoStream; internalInfoStream << "<INFO> " << msg; \
ELPP_INTERNAL_DEBUGGING_OUT_INFO << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) \
<< ELPP_INTERNAL_DEBUGGING_ENDL; }}
# endif
#else
# undef ELPP_INTERNAL_INFO
# define ELPP_INTERNAL_INFO(lvl, msg)
#endif // (defined(ELPP_DEBUG_INFO))
#if (defined(ELPP_FEATURE_ALL)) || (defined(ELPP_FEATURE_CRASH_LOG))
# if (ELPP_COMPILER_GCC && !ELPP_MINGW && !ELPP_OS_OPENBSD && !ELPP_OS_NETBSD && !ELPP_OS_ANDROID && !ELPP_OS_EMSCRIPTEN)
# define ELPP_STACKTRACE 1
# else
# define ELPP_STACKTRACE 0
# ifdef EASYLOGGING_CC
# if ELPP_COMPILER_MSVC
# pragma message("Stack trace not available for this compiler")
# else
# warning "Stack trace not available for this compiler";
# endif // ELPP_COMPILER_MSVC
# endif
# endif // ELPP_COMPILER_GCC
#else
# define ELPP_STACKTRACE 0
#endif // (defined(ELPP_FEATURE_ALL)) || (defined(ELPP_FEATURE_CRASH_LOG))
// Miscellaneous macros
#define ELPP_UNUSED(x) (void)x
#if ELPP_OS_UNIX
// Log file permissions for unix-based systems
# define ELPP_LOG_PERMS S_IRUSR | S_IWUSR | S_IXUSR | S_IWGRP | S_IRGRP | S_IXGRP | S_IWOTH | S_IXOTH
#endif // ELPP_OS_UNIX
#if defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC
# if defined(ELPP_EXPORT_SYMBOLS)
# define ELPP_EXPORT __declspec(dllexport)
# else
# define ELPP_EXPORT __declspec(dllimport)
# endif // defined(ELPP_EXPORT_SYMBOLS)
#else
# define ELPP_EXPORT
#endif // defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC
// Some special functions that are VC++ specific
#undef STRTOK
#undef STRERROR
#undef STRCAT
#undef STRCPY
#if ELPP_CRT_DBG_WARNINGS
# define STRTOK(a, b, c) strtok_s(a, b, c)
# define STRERROR(a, b, c) strerror_s(a, b, c)
# define STRCAT(a, b, len) strcat_s(a, len, b)
# define STRCPY(a, b, len) strcpy_s(a, len, b)
#else
# define STRTOK(a, b, c) strtok(a, b)
# define STRERROR(a, b, c) strerror(c)
# define STRCAT(a, b, len) strcat(a, b)
# define STRCPY(a, b, len) strcpy(a, b)
#endif
// Compiler specific support evaluations
#if (ELPP_MINGW && !defined(ELPP_FORCE_USE_STD_THREAD))
# define ELPP_USE_STD_THREADING 0
#else
# if ((ELPP_COMPILER_CLANG && defined(ELPP_CLANG_SUPPORTS_THREAD)) || \
(!ELPP_COMPILER_CLANG && defined(ELPP_CXX11)) || \
defined(ELPP_FORCE_USE_STD_THREAD))
# define ELPP_USE_STD_THREADING 1
# else
# define ELPP_USE_STD_THREADING 0
# endif
#endif
#undef ELPP_FINAL
#if ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702)
# define ELPP_FINAL
#else
# define ELPP_FINAL final
#endif // ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702)
#if defined(ELPP_EXPERIMENTAL_ASYNC)
# define ELPP_ASYNC_LOGGING 1
#else
# define ELPP_ASYNC_LOGGING 0
#endif // defined(ELPP_EXPERIMENTAL_ASYNC)
#if defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING
# define ELPP_THREADING_ENABLED 1
#else
# define ELPP_THREADING_ENABLED 0
#endif // defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING
// Function macro ELPP_FUNC
#undef ELPP_FUNC
#if ELPP_COMPILER_MSVC // Visual C++
# define ELPP_FUNC __FUNCSIG__
#elif ELPP_COMPILER_GCC // GCC
# define ELPP_FUNC __PRETTY_FUNCTION__
#elif ELPP_COMPILER_INTEL // Intel C++
# define ELPP_FUNC __PRETTY_FUNCTION__
#elif ELPP_COMPILER_CLANG // Clang++
# define ELPP_FUNC __PRETTY_FUNCTION__
#else
# if defined(__func__)
# define ELPP_FUNC __func__
# else
# define ELPP_FUNC ""
# endif // defined(__func__)
#endif // defined(_MSC_VER)
#undef ELPP_VARIADIC_TEMPLATES_SUPPORTED
// Keep following line commented until features are fixed
#define ELPP_VARIADIC_TEMPLATES_SUPPORTED \
(ELPP_COMPILER_GCC || ELPP_COMPILER_CLANG || ELPP_COMPILER_INTEL || (ELPP_COMPILER_MSVC && _MSC_VER >= 1800))
// Logging Enable/Disable macros
#ifdef ELPP_DISABLE_LOGS
# define ELPP_LOGGING_ENABLED 0
#else
# define ELPP_LOGGING_ENABLED 1
#endif
#if (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_DEBUG_LOG 1
#else
# define ELPP_DEBUG_LOG 0
#endif // (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_INFO_LOG 1
#else
# define ELPP_INFO_LOG 0
#endif // (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_WARNING_LOG 1
#else
# define ELPP_WARNING_LOG 0
#endif // (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_ERROR_LOG 1
#else
# define ELPP_ERROR_LOG 0
#endif // (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_FATAL_LOG 1
#else
# define ELPP_FATAL_LOG 0
#endif // (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_TRACE_LOG 1
#else
# define ELPP_TRACE_LOG 0
#endif // (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED))
# define ELPP_VERBOSE_LOG 1
#else
# define ELPP_VERBOSE_LOG 0
#endif // (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED))
#if (!(ELPP_CXX0X || ELPP_CXX11))
# error "C++0x (or higher) support not detected! (Is `-std=c++11' missing?)"
#endif // (!(ELPP_CXX0X || ELPP_CXX11))
// Headers
#if defined(ELPP_SYSLOG)
# include <syslog.h>
#endif // defined(ELPP_SYSLOG)
#include <climits>
#include <ctime>
#include <cstring>
#include <cstdlib>
#include <cctype>
#include <cwchar>
#include <csignal>
#include <cerrno>
#include <cstdarg>
#if defined(ELPP_UNICODE)
# include <locale>
# if ELPP_OS_WINDOWS
# include <codecvt>
# endif // ELPP_OS_WINDOWS
#endif // defined(ELPP_UNICODE)
#if ELPP_STACKTRACE
# include <cxxabi.h>
# include <execinfo.h>
#endif // ELPP_STACKTRACE
#if ELPP_OS_ANDROID
# include <sys/system_properties.h>
#endif // ELPP_OS_ANDROID
#if ELPP_OS_UNIX
# include <sys/stat.h>
# include <sys/time.h>
#elif ELPP_OS_WINDOWS
# include <direct.h>
# include <windows.h>
# if defined(WIN32_LEAN_AND_MEAN)
# if defined(ELPP_WINSOCK2)
# include <winsock2.h>
# else
# include <winsock.h>
# endif // defined(ELPP_WINSOCK2)
# endif // defined(WIN32_LEAN_AND_MEAN)
#endif // ELPP_OS_UNIX
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <utility>
#include <functional>
#include <algorithm>
#include <fstream>
#include <iostream>
#include <sstream>
#include <memory>
#include <type_traits>
#include <atomic>
#if ELPP_THREADING_ENABLED
# if ELPP_USE_STD_THREADING
# include <mutex>
# include <thread>
# else
# if ELPP_OS_UNIX
# include <pthread.h>
# endif // ELPP_OS_UNIX
# endif // ELPP_USE_STD_THREADING
#endif // ELPP_THREADING_ENABLED
#if ELPP_ASYNC_LOGGING
# if defined(ELPP_NO_SLEEP_FOR)
# include <unistd.h>
# endif // defined(ELPP_NO_SLEEP_FOR)
# include <thread>
# include <queue>
# include <condition_variable>
#endif // ELPP_ASYNC_LOGGING
#if defined(ELPP_STL_LOGGING)
// For logging STL based templates
# include <list>
# include <queue>
# include <deque>
# include <set>
# include <bitset>
# include <stack>
# if defined(ELPP_LOG_STD_ARRAY)
# include <array>
# endif // defined(ELPP_LOG_STD_ARRAY)
# if defined(ELPP_LOG_UNORDERED_SET)
# include <unordered_set>
# endif // defined(ELPP_UNORDERED_SET)
#endif // defined(ELPP_STL_LOGGING)
#if defined(ELPP_QT_LOGGING)
// For logging Qt based classes & templates
# include <QString>
# include <QByteArray>
# include <QVector>
# include <QList>
# include <QPair>
# include <QMap>
# include <QQueue>
# include <QSet>
# include <QLinkedList>
# include <QHash>
# include <QMultiHash>
# include <QStack>
#endif // defined(ELPP_QT_LOGGING)
#if defined(ELPP_BOOST_LOGGING)
// For logging boost based classes & templates
# include <boost/container/vector.hpp>
# include <boost/container/stable_vector.hpp>
# include <boost/container/list.hpp>
# include <boost/container/deque.hpp>
# include <boost/container/map.hpp>
# include <boost/container/flat_map.hpp>
# include <boost/container/set.hpp>
# include <boost/container/flat_set.hpp>
#endif // defined(ELPP_BOOST_LOGGING)
#if defined(ELPP_WXWIDGETS_LOGGING)
// For logging wxWidgets based classes & templates
# include <wx/vector.h>
#endif // defined(ELPP_WXWIDGETS_LOGGING)
#if defined(ELPP_UTC_DATETIME)
# define elpptime_r gmtime_r
# define elpptime_s gmtime_s
# define elpptime gmtime
#else
# define elpptime_r localtime_r
# define elpptime_s localtime_s
# define elpptime localtime
#endif // defined(ELPP_UTC_DATETIME)
// Forward declarations
namespace el {
class Logger;
class LogMessage;
class PerformanceTrackingData;
class Loggers;
class Helpers;
template <typename T> class Callback;
class LogDispatchCallback;
class PerformanceTrackingCallback;
class LoggerRegistrationCallback;
class LogDispatchData;
namespace base {
class Storage;
class RegisteredLoggers;
class PerformanceTracker;
class MessageBuilder;
class Writer;
class PErrorWriter;
class LogDispatcher;
class DefaultLogBuilder;
class DefaultLogDispatchCallback;
#if ELPP_ASYNC_LOGGING
class AsyncLogDispatchCallback;
class AsyncDispatchWorker;
#endif // ELPP_ASYNC_LOGGING
class DefaultPerformanceTrackingCallback;
} // namespace base
} // namespace el
/// @brief Easylogging++ entry namespace
namespace el {
/// @brief Namespace containing base/internal functionality used by Easylogging++
namespace base {
/// @brief Data types used by Easylogging++
namespace type {
#undef ELPP_LITERAL
#undef ELPP_STRLEN
#undef ELPP_COUT
#if defined(ELPP_UNICODE)
# define ELPP_LITERAL(txt) L##txt
# define ELPP_STRLEN wcslen
# if defined ELPP_CUSTOM_COUT
# define ELPP_COUT ELPP_CUSTOM_COUT
# else
# define ELPP_COUT std::wcout
# endif // defined ELPP_CUSTOM_COUT
typedef wchar_t char_t;
typedef std::wstring string_t;
typedef std::wstringstream stringstream_t;
typedef std::wfstream fstream_t;
typedef std::wostream ostream_t;
#else
# define ELPP_LITERAL(txt) txt
# define ELPP_STRLEN strlen
# if defined ELPP_CUSTOM_COUT
# define ELPP_COUT ELPP_CUSTOM_COUT
# else
# define ELPP_COUT std::cout
# endif // defined ELPP_CUSTOM_COUT
typedef char char_t;
typedef std::string string_t;
typedef std::stringstream stringstream_t;
typedef std::fstream fstream_t;
typedef std::ostream ostream_t;
#endif // defined(ELPP_UNICODE)
#if defined(ELPP_CUSTOM_COUT_LINE)
# define ELPP_COUT_LINE(logLine) ELPP_CUSTOM_COUT_LINE(logLine)
#else
# define ELPP_COUT_LINE(logLine) logLine << std::flush
#endif // defined(ELPP_CUSTOM_COUT_LINE)
typedef unsigned int EnumType;
typedef unsigned short VerboseLevel;
typedef unsigned long int LineNumber;
typedef base::Storage *StoragePointer;
typedef std::shared_ptr<LogDispatchCallback> LogDispatchCallbackPtr;
typedef std::shared_ptr<PerformanceTrackingCallback> PerformanceTrackingCallbackPtr;
typedef std::shared_ptr<LoggerRegistrationCallback> LoggerRegistrationCallbackPtr;
typedef std::unique_ptr<el::base::PerformanceTracker> PerformanceTrackerPtr;
} // namespace type
/// @brief Internal helper class that prevent copy constructor for class
///
/// @detail When using this class simply inherit it privately
class NoCopy {
protected:
NoCopy(void) {}
private:
NoCopy(const NoCopy&);
NoCopy& operator=(const NoCopy&);
};
/// @brief Internal helper class that makes all default constructors private.
///
/// @detail This prevents initializing class making it static unless an explicit constructor is declared.
/// When using this class simply inherit it privately
class StaticClass {
private:
StaticClass(void);
StaticClass(const StaticClass&);
StaticClass& operator=(const StaticClass&);
};
} // namespace base
/// @brief Represents enumeration for severity level used to determine level of logging
///
/// @detail With Easylogging++, developers may disable or enable any level regardless of
/// what the severity is. Or they can choose to log using hierarchical logging flag
enum class Level : base::type::EnumType {
/// @brief Generic level that represents all the levels. Useful when setting global configuration for all levels
Global = 1,
/// @brief Information that can be useful to back-trace certain events - mostly useful than debug logs.
Trace = 2,
/// @brief Informational events most useful for developers to debug application
Debug = 4,
/// @brief Severe error information that will presumably abort application
Fatal = 8,
/// @brief Information representing errors in application but application will keep running
Error = 16,
/// @brief Useful when application has potentially harmful situtaions
Warning = 32,
/// @brief Information that can be highly useful and vary with verbose logging level.
Verbose = 64,
/// @brief Mainly useful to represent current progress of application
Info = 128,
/// @brief Represents unknown level
Unknown = 1010
};
enum class Color : base::type::EnumType {
Default,
Red,
Green,
Yellow,
Blue,
Magenta,
Cyan,
};
} // namespace el
namespace std {
template<> struct hash<el::Level> {
public:
std::size_t operator()(const el::Level& l) const {
return hash<el::base::type::EnumType> {}(static_cast<el::base::type::EnumType>(l));
}
};
}
namespace el {
/// @brief Static class that contains helper functions for el::Level
class LevelHelper : base::StaticClass {
public:
/// @brief Represents minimum valid level. Useful when iterating through enum.
static const base::type::EnumType kMinValid = static_cast<base::type::EnumType>(Level::Trace);
/// @brief Represents maximum valid level. This is used internally and you should not need it.
static const base::type::EnumType kMaxValid = static_cast<base::type::EnumType>(Level::Info);
/// @brief Casts level to int, useful for iterating through enum.
static base::type::EnumType castToInt(Level level) {
return static_cast<base::type::EnumType>(level);
}
/// @brief Casts int(ushort) to level, useful for iterating through enum.
static Level castFromInt(base::type::EnumType l) {
return static_cast<Level>(l);
}
/// @brief Converts level to associated const char*
/// @return Upper case string based level.
static const char* convertToString(Level level);
/// @brief Converts from prefix of levelStr to Level
/// @param levelStr Upper case string based level.
/// Lower case is also valid but providing upper case is recommended.
static Level convertFromStringPrefix(const char* levelStr);
/// @brief Converts from levelStr to Level
/// @param levelStr Upper case string based level.
/// Lower case is also valid but providing upper case is recommended.
static Level convertFromString(const char* levelStr);
/// @brief Applies specified function to each level starting from startIndex
/// @param startIndex initial value to start the iteration from. This is passed as pointer and
/// is left-shifted so this can be used inside function (fn) to represent current level.
/// @param fn function to apply with each level. This bool represent whether or not to stop iterating through levels.
static void forEachLevel(base::type::EnumType* startIndex, const std::function<bool(void)>& fn);
};
/// @brief Represents enumeration of ConfigurationType used to configure or access certain aspect
/// of logging
enum class ConfigurationType : base::type::EnumType {
/// @brief Determines whether or not corresponding level and logger of logging is enabled
/// You may disable all logs by using el::Level::Global
Enabled = 1,
/// @brief Whether or not to write corresponding log to log file
ToFile = 2,
/// @brief Whether or not to write corresponding level and logger log to standard output.
/// By standard output meaning termnal, command prompt etc
ToStandardOutput = 4,
/// @brief Determines format of logging corresponding level and logger.
Format = 8,
/// @brief Determines log file (full path) to write logs to for correponding level and logger
Filename = 16,
/// @brief Specifies precision of the subsecond part. It should be within range (1-6).
SubsecondPrecision = 32,
/// @brief Alias of SubsecondPrecision (for backward compatibility)
MillisecondsWidth = SubsecondPrecision,
/// @brief Determines whether or not performance tracking is enabled.
///
/// @detail This does not depend on logger or level. Performance tracking always uses 'performance' logger
PerformanceTracking = 64,
/// @brief Specifies log file max size.
///
/// @detail If file size of corresponding log file (for corresponding level) is >= specified size, log file will
/// be truncated and re-initiated.
MaxLogFileSize = 128,
/// @brief Specifies number of log entries to hold until we flush pending log data
LogFlushThreshold = 256,
/// @brief Represents unknown configuration
Unknown = 1010
};
/// @brief Static class that contains helper functions for el::ConfigurationType
class ConfigurationTypeHelper : base::StaticClass {
public:
/// @brief Represents minimum valid configuration type. Useful when iterating through enum.
static const base::type::EnumType kMinValid = static_cast<base::type::EnumType>(ConfigurationType::Enabled);
/// @brief Represents maximum valid configuration type. This is used internally and you should not need it.
static const base::type::EnumType kMaxValid = static_cast<base::type::EnumType>(ConfigurationType::MaxLogFileSize);
/// @brief Casts configuration type to int, useful for iterating through enum.
static base::type::EnumType castToInt(ConfigurationType configurationType) {
return static_cast<base::type::EnumType>(configurationType);
}
/// @brief Casts int(ushort) to configurationt type, useful for iterating through enum.
static ConfigurationType castFromInt(base::type::EnumType c) {
return static_cast<ConfigurationType>(c);
}
/// @brief Converts configuration type to associated const char*
/// @returns Upper case string based configuration type.
static const char* convertToString(ConfigurationType configurationType);
/// @brief Converts from configStr to ConfigurationType
/// @param configStr Upper case string based configuration type.
/// Lower case is also valid but providing upper case is recommended.
static ConfigurationType convertFromString(const char* configStr);
/// @brief Applies specified function to each configuration type starting from startIndex
/// @param startIndex initial value to start the iteration from. This is passed by pointer and is left-shifted
/// so this can be used inside function (fn) to represent current configuration type.
/// @param fn function to apply with each configuration type.
/// This bool represent whether or not to stop iterating through configurations.
static inline void forEachConfigType(base::type::EnumType* startIndex, const std::function<bool(void)>& fn);
};
/// @brief Flags used while writing logs. This flags are set by user
enum class LoggingFlag : base::type::EnumType {
/// @brief Makes sure we have new line for each container log entry
NewLineForContainer = 1,
/// @brief Makes sure if -vmodule is used and does not specifies a module, then verbose
/// logging is allowed via that module.
AllowVerboseIfModuleNotSpecified = 2,
/// @brief When handling crashes by default, detailed crash reason will be logged as well
LogDetailedCrashReason = 4,
/// @brief Allows to disable application abortion when logged using FATAL level
DisableApplicationAbortOnFatalLog = 8,
/// @brief Flushes log with every log-entry (performance sensative) - Disabled by default
ImmediateFlush = 16,
/// @brief Enables strict file rolling
StrictLogFileSizeCheck = 32,
/// @brief Make terminal output colorful for supported terminals
ColoredTerminalOutput = 64,
/// @brief Supports use of multiple logging in same macro, e.g, CLOG(INFO, "default", "network")
MultiLoggerSupport = 128,
/// @brief Disables comparing performance tracker's checkpoints
DisablePerformanceTrackingCheckpointComparison = 256,
/// @brief Disable VModules
DisableVModules = 512,
/// @brief Disable VModules extensions
DisableVModulesExtensions = 1024,
/// @brief Enables hierarchical logging
HierarchicalLogging = 2048,
/// @brief Creates logger automatically when not available
CreateLoggerAutomatically = 4096,
/// @brief Adds spaces b/w logs that separated by left-shift operator
AutoSpacing = 8192,
/// @brief Preserves time format and does not convert it to sec, hour etc (performance tracking only)
FixedTimeFormat = 16384,
// @brief Ignore SIGINT or crash
IgnoreSigInt = 32768,
};
namespace base {
/// @brief Namespace containing constants used internally.
namespace consts {
static const char kFormatSpecifierCharValue = 'v';
static const char kFormatSpecifierChar = '%';
static const unsigned int kMaxLogPerCounter = 100000;
static const unsigned int kMaxLogPerContainer = 100;
static const unsigned int kDefaultSubsecondPrecision = 3;
#ifdef ELPP_DEFAULT_LOGGER
static const char* kDefaultLoggerId = ELPP_DEFAULT_LOGGER;
#else
static const char* kDefaultLoggerId = "default";
#endif
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
#ifdef ELPP_DEFAULT_PERFORMANCE_LOGGER
static const char* kPerformanceLoggerId = ELPP_DEFAULT_PERFORMANCE_LOGGER;
#else
static const char* kPerformanceLoggerId = "performance";
#endif // ELPP_DEFAULT_PERFORMANCE_LOGGER
#endif
#if defined(ELPP_SYSLOG)
static const char* kSysLogLoggerId = "syslog";
#endif // defined(ELPP_SYSLOG)
#if ELPP_OS_WINDOWS
static const char* kFilePathSeperator = "\\";
#else
static const char* kFilePathSeperator = "/";
#endif // ELPP_OS_WINDOWS
static const std::size_t kSourceFilenameMaxLength = 100;
static const std::size_t kSourceLineMaxLength = 10;
static const Level kPerformanceTrackerDefaultLevel = Level::Info;
const struct {
double value;
const base::type::char_t* unit;
} kTimeFormats[] = {
{ 1000.0f, ELPP_LITERAL("us") },
{ 1000.0f, ELPP_LITERAL("ms") },
{ 60.0f, ELPP_LITERAL("seconds") },
{ 60.0f, ELPP_LITERAL("minutes") },
{ 24.0f, ELPP_LITERAL("hours") },
{ 7.0f, ELPP_LITERAL("days") }
};
static const int kTimeFormatsCount = sizeof(kTimeFormats) / sizeof(kTimeFormats[0]);
const struct {
int numb;
const char* name;
const char* brief;
const char* detail;
} kCrashSignals[] = {
// NOTE: Do not re-order, if you do please check CrashHandler(bool) constructor and CrashHandler::setHandler(..)
{
SIGABRT, "SIGABRT", "Abnormal termination",
"Program was abnormally terminated."
},
{
SIGFPE, "SIGFPE", "Erroneous arithmetic operation",
"Arithemetic operation issue such as division by zero or operation resulting in overflow."
},
{
SIGILL, "SIGILL", "Illegal instruction",
"Generally due to a corruption in the code or to an attempt to execute data."
},
{
SIGSEGV, "SIGSEGV", "Invalid access to memory",
"Program is trying to read an invalid (unallocated, deleted or corrupted) or inaccessible memory."
},
{
SIGINT, "SIGINT", "Interactive attention signal",
"Interruption generated (generally) by user or operating system."
},
};
static const int kCrashSignalsCount = sizeof(kCrashSignals) / sizeof(kCrashSignals[0]);
} // namespace consts
} // namespace base
typedef std::function<void(const char*, std::size_t)> PreRollOutCallback;
namespace base {
static inline void defaultPreRollOutCallback(const char*, std::size_t) {}
/// @brief Enum to represent timestamp unit
enum class TimestampUnit : base::type::EnumType {
Microsecond = 0, Millisecond = 1, Second = 2, Minute = 3, Hour = 4, Day = 5
};
/// @brief Format flags used to determine specifiers that are active for performance improvements.
enum class FormatFlags : base::type::EnumType {
DateTime = 1 << 1,
LoggerId = 1 << 2,
File = 1 << 3,
Line = 1 << 4,
Location = 1 << 5,
Function = 1 << 6,
User = 1 << 7,
Host = 1 << 8,
LogMessage = 1 << 9,
VerboseLevel = 1 << 10,
AppName = 1 << 11,
ThreadId = 1 << 12,
Level = 1 << 13,
FileBase = 1 << 14,
LevelShort = 1 << 15
};
/// @brief A subsecond precision class containing actual width and offset of the subsecond part
class SubsecondPrecision {
public:
SubsecondPrecision(void) {
init(base::consts::kDefaultSubsecondPrecision);
}
explicit SubsecondPrecision(int width) {
init(width);
}
bool operator==(const SubsecondPrecision& ssPrec) {
return m_width == ssPrec.m_width && m_offset == ssPrec.m_offset;
}
int m_width;
unsigned int m_offset;
private:
void init(int width);
};
/// @brief Type alias of SubsecondPrecision
typedef SubsecondPrecision MillisecondsWidth;
/// @brief Namespace containing utility functions/static classes used internally
namespace utils {
/// @brief Deletes memory safely and points to null
template <typename T>
static
typename std::enable_if<std::is_pointer<T*>::value, void>::type
safeDelete(T*& pointer) {
if (pointer == nullptr)
return;
delete pointer;
pointer = nullptr;
}
/// @brief Bitwise operations for C++11 strong enum class. This casts e into Flag_T and returns value after bitwise operation
/// Use these function as <pre>flag = bitwise::Or<MyEnum>(MyEnum::val1, flag);</pre>
namespace bitwise {
template <typename Enum>
static inline base::type::EnumType And(Enum e, base::type::EnumType flag) {
return static_cast<base::type::EnumType>(flag) & static_cast<base::type::EnumType>(e);
}
template <typename Enum>
static inline base::type::EnumType Not(Enum e, base::type::EnumType flag) {
return static_cast<base::type::EnumType>(flag) & ~(static_cast<base::type::EnumType>(e));
}
template <typename Enum>
static inline base::type::EnumType Or(Enum e, base::type::EnumType flag) {
return static_cast<base::type::EnumType>(flag) | static_cast<base::type::EnumType>(e);
}
} // namespace bitwise
template <typename Enum>
static inline void addFlag(Enum e, base::type::EnumType* flag) {
*flag = base::utils::bitwise::Or<Enum>(e, *flag);
}
template <typename Enum>
static inline void removeFlag(Enum e, base::type::EnumType* flag) {
*flag = base::utils::bitwise::Not<Enum>(e, *flag);
}
template <typename Enum>
static inline bool hasFlag(Enum e, base::type::EnumType flag) {
return base::utils::bitwise::And<Enum>(e, flag) > 0x0;
}
} // namespace utils
namespace threading {
#if ELPP_THREADING_ENABLED
# if !ELPP_USE_STD_THREADING
namespace internal {
/// @brief A mutex wrapper for compiler that dont yet support std::recursive_mutex
class Mutex : base::NoCopy {
public:
Mutex(void) {
# if ELPP_OS_UNIX
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&m_underlyingMutex, &attr);
pthread_mutexattr_destroy(&attr);
# elif ELPP_OS_WINDOWS
InitializeCriticalSection(&m_underlyingMutex);
# endif // ELPP_OS_UNIX
}
virtual ~Mutex(void) {
# if ELPP_OS_UNIX
pthread_mutex_destroy(&m_underlyingMutex);
# elif ELPP_OS_WINDOWS
DeleteCriticalSection(&m_underlyingMutex);
# endif // ELPP_OS_UNIX
}
inline void lock(void) {
# if ELPP_OS_UNIX
pthread_mutex_lock(&m_underlyingMutex);
# elif ELPP_OS_WINDOWS
EnterCriticalSection(&m_underlyingMutex);
# endif // ELPP_OS_UNIX
}
inline bool try_lock(void) {
# if ELPP_OS_UNIX
return (pthread_mutex_trylock(&m_underlyingMutex) == 0);
# elif ELPP_OS_WINDOWS
return TryEnterCriticalSection(&m_underlyingMutex);
# endif // ELPP_OS_UNIX
}
inline void unlock(void) {
# if ELPP_OS_UNIX
pthread_mutex_unlock(&m_underlyingMutex);
# elif ELPP_OS_WINDOWS
LeaveCriticalSection(&m_underlyingMutex);
# endif // ELPP_OS_UNIX
}
private:
# if ELPP_OS_UNIX
pthread_mutex_t m_underlyingMutex;
# elif ELPP_OS_WINDOWS
CRITICAL_SECTION m_underlyingMutex;
# endif // ELPP_OS_UNIX
};
/// @brief Scoped lock for compiler that dont yet support std::lock_guard
template <typename M>
class ScopedLock : base::NoCopy {
public:
explicit ScopedLock(M& mutex) {
m_mutex = &mutex;
m_mutex->lock();
}
virtual ~ScopedLock(void) {
m_mutex->unlock();
}
private:
M* m_mutex;
ScopedLock(void);
};
} // namespace internal
typedef base::threading::internal::Mutex Mutex;
typedef base::threading::internal::ScopedLock<base::threading::Mutex> ScopedLock;
# else
typedef std::recursive_mutex Mutex;
typedef std::lock_guard<base::threading::Mutex> ScopedLock;
# endif // !ELPP_USE_STD_THREADING
#else
namespace internal {
/// @brief Mutex wrapper used when multi-threading is disabled.
class NoMutex : base::NoCopy {
public:
NoMutex(void) {}
inline void lock(void) {}
inline bool try_lock(void) {
return true;
}
inline void unlock(void) {}
};
/// @brief Lock guard wrapper used when multi-threading is disabled.
template <typename Mutex>
class NoScopedLock : base::NoCopy {
public:
explicit NoScopedLock(Mutex&) {
}
virtual ~NoScopedLock(void) {
}
private:
NoScopedLock(void);
};
} // namespace internal
typedef base::threading::internal::NoMutex Mutex;
typedef base::threading::internal::NoScopedLock<base::threading::Mutex> ScopedLock;
#endif // ELPP_THREADING_ENABLED
/// @brief Base of thread safe class, this class is inheritable-only
class ThreadSafe {
public:
virtual inline void acquireLock(void) ELPP_FINAL { m_mutex.lock(); }
virtual inline void releaseLock(void) ELPP_FINAL { m_mutex.unlock(); }
virtual inline base::threading::Mutex& lock(void) ELPP_FINAL { return m_mutex; }
protected:
ThreadSafe(void) {}
virtual ~ThreadSafe(void) {}
private:
base::threading::Mutex m_mutex;
};
#if ELPP_THREADING_ENABLED
# if !ELPP_USE_STD_THREADING
/// @brief Gets ID of currently running threading in windows systems. On unix, nothing is returned.
static std::string getCurrentThreadId(void) {
std::stringstream ss;
# if (ELPP_OS_WINDOWS)
ss << GetCurrentThreadId();
# endif // (ELPP_OS_WINDOWS)
return ss.str();
}
# else
/// @brief Gets ID of currently running threading using std::this_thread::get_id()
static std::string getCurrentThreadId(void) {
std::stringstream ss;
char prev_fill = ss.fill(' ');
auto prev_flags = ss.flags(std::ios::hex);
//ss.setf(std::ios::hex);
auto prev_width = ss.width(16);
ss << std::this_thread::get_id();
ss.fill(prev_fill);
ss.flags(prev_flags);
ss.width(prev_width);
return ss.str();
}
# endif // !ELPP_USE_STD_THREADING
#else
static inline std::string getCurrentThreadId(void) {
return std::string();
}
#endif // ELPP_THREADING_ENABLED
} // namespace threading
namespace utils {
class File : base::StaticClass {
public:
/// @brief Creates new out file stream for specified filename.
/// @return Pointer to newly created fstream or nullptr
static base::type::fstream_t* newFileStream(const std::string& filename);
/// @brief Gets size of file provided in stream
static std::size_t getSizeOfFile(base::type::fstream_t* fs);
/// @brief Determines whether or not provided path exist in current file system
static bool pathExists(const char* path, bool considerFile = false);
/// @brief Creates specified path on file system
/// @param path Path to create.
static bool createPath(const std::string& path);
/// @brief Extracts path of filename with leading slash
static std::string extractPathFromFilename(const std::string& fullPath,
const char* seperator = base::consts::kFilePathSeperator);
/// @brief builds stripped filename and puts it in buff
static void buildStrippedFilename(const char* filename, char buff[], const std::string &commonPrefix = NULL,
std::size_t limit = base::consts::kSourceFilenameMaxLength);
/// @brief builds base filename and puts it in buff
static void buildBaseFilename(const std::string& fullPath, char buff[],
std::size_t limit = base::consts::kSourceFilenameMaxLength,
const char* seperator = base::consts::kFilePathSeperator);
};
/// @brief String utilities helper class used internally. You should not use it.
class Str : base::StaticClass {
public:
/// @brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues.
static inline bool isDigit(char c) {
return c >= '0' && c <= '9';
}
/// @brief Matches wildcards, '*' and '?' only supported.
static bool wildCardMatch(const char* str, const char* pattern);
static std::string& ltrim(std::string& str);
static std::string& rtrim(std::string& str);
static std::string& trim(std::string& str);
/// @brief Determines whether or not str starts with specified string
/// @param str String to check
/// @param start String to check against
/// @return Returns true if starts with specified string, false otherwise
static bool startsWith(const std::string& str, const std::string& start);
/// @brief Determines whether or not str ends with specified string
/// @param str String to check
/// @param end String to check against
/// @return Returns true if ends with specified string, false otherwise
static bool endsWith(const std::string& str, const std::string& end);
/// @brief Replaces all instances of replaceWhat with 'replaceWith'. Original variable is changed for performance.
/// @param [in,out] str String to replace from
/// @param replaceWhat Character to replace
/// @param replaceWith Character to replace with
/// @return Modified version of str
static std::string& replaceAll(std::string& str, char replaceWhat, char replaceWith);
/// @brief Replaces all instances of 'replaceWhat' with 'replaceWith'. (String version) Replaces in place
/// @param str String to replace from
/// @param replaceWhat Character to replace
/// @param replaceWith Character to replace with
/// @return Modified (original) str
static std::string& replaceAll(std::string& str, const std::string& replaceWhat,
const std::string& replaceWith);
static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat,
const base::type::string_t& replaceWith);
#if defined(ELPP_UNICODE)
static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat,
const std::string& replaceWith);
#endif // defined(ELPP_UNICODE)
/// @brief Converts string to uppercase
/// @param str String to convert
/// @return Uppercase string
static std::string& toUpper(std::string& str);
/// @brief Compares cstring equality - uses strcmp
static bool cStringEq(const char* s1, const char* s2);
/// @brief Compares cstring equality (case-insensitive) - uses toupper(char)
/// Dont use strcasecmp because of CRT (VC++)
static bool cStringCaseEq(const char* s1, const char* s2);
/// @brief Returns true if c exist in str
static bool contains(const char* str, char c);
static char* convertAndAddToBuff(std::size_t n, int len, char* buf, const char* bufLim, bool zeroPadded = true);
static char* addToBuff(const char* str, char* buf, const char* bufLim);
static char* clearBuff(char buff[], std::size_t lim);
/// @brief Converst wchar* to char*
/// NOTE: Need to free return value after use!
static char* wcharPtrToCharPtr(const wchar_t* line);
};
/// @brief Operating System helper static class used internally. You should not use it.
class OS : base::StaticClass {
public:
#if ELPP_OS_WINDOWS
/// @brief Gets environment variables for Windows based OS.
/// We are not using <code>getenv(const char*)</code> because of CRT deprecation
/// @param varname Variable name to get environment variable value for
/// @return If variable exist the value of it otherwise nullptr
static const char* getWindowsEnvironmentVariable(const char* varname);
#endif // ELPP_OS_WINDOWS
#if ELPP_OS_ANDROID
/// @brief Reads android property value
static std::string getProperty(const char* prop);
/// @brief Reads android device name
static std::string getDeviceName(void);
#endif // ELPP_OS_ANDROID
/// @brief Runs command on terminal and returns the output.
///
/// @detail This is applicable only on unix based systems, for all other OS, an empty string is returned.
/// @param command Bash command
/// @return Result of bash output or empty string if no result found.
static const std::string getBashOutput(const char* command);
/// @brief Gets environment variable. This is cross-platform and CRT safe (for VC++)
/// @param variableName Environment variable name
/// @param defaultVal If no environment variable or value found the value to return by default
/// @param alternativeBashCommand If environment variable not found what would be alternative bash command
/// in order to look for value user is looking for. E.g, for 'user' alternative command will 'whoami'
static std::string getEnvironmentVariable(const char* variableName, const char* defaultVal,
const char* alternativeBashCommand = nullptr);
/// @brief Gets current username.
static std::string currentUser(void);
/// @brief Gets current host name or computer name.
///
/// @detail For android systems this is device name with its manufacturer and model seperated by hyphen
static std::string currentHost(void);
/// @brief Whether or not terminal supports colors
static bool termSupportsColor(void);
};
/// @brief Contains utilities for cross-platform date/time. This class make use of el::base::utils::Str
class DateTime : base::StaticClass {
public:
/// @brief Cross platform gettimeofday for Windows and unix platform. This can be used to determine current microsecond.
///
/// @detail For unix system it uses gettimeofday(timeval*, timezone*) and for Windows, a seperate implementation is provided
/// @param [in,out] tv Pointer that gets updated
static void gettimeofday(struct timeval* tv);
/// @brief Gets current date and time with a subsecond part.
/// @param format User provided date/time format
/// @param ssPrec A pointer to base::SubsecondPrecision from configuration (non-null)
/// @returns string based date time in specified format.
static std::string getDateTime(const char* format, const base::SubsecondPrecision* ssPrec);
/// @brief Converts timeval (struct from ctime) to string using specified format and subsecond precision
static std::string timevalToString(struct timeval tval, const char* format,
const el::base::SubsecondPrecision* ssPrec);
/// @brief Formats time to get unit accordingly, units like second if > 1000 or minutes if > 60000 etc
static base::type::string_t formatTime(unsigned long long time, base::TimestampUnit timestampUnit);
/// @brief Gets time difference in milli/micro second depending on timestampUnit
static unsigned long long getTimeDifference(const struct timeval& endTime, const struct timeval& startTime,
base::TimestampUnit timestampUnit);
static struct ::tm* buildTimeInfo(struct timeval* currTime, struct ::tm* timeInfo);
private:
static char* parseFormat(char* buf, std::size_t bufSz, const char* format, const struct tm* tInfo,
std::size_t msec, const base::SubsecondPrecision* ssPrec);
};
/// @brief Command line arguments for application if specified using el::Helpers::setArgs(..) or START_EASYLOGGINGPP(..)
class CommandLineArgs {
public:
CommandLineArgs(void) {
setArgs(0, static_cast<char**>(nullptr));
}
CommandLineArgs(int argc, const char** argv) {
setArgs(argc, argv);
}
CommandLineArgs(int argc, char** argv) {
setArgs(argc, argv);
}
virtual ~CommandLineArgs(void) {}
/// @brief Sets arguments and parses them
inline void setArgs(int argc, const char** argv) {
setArgs(argc, const_cast<char**>(argv));
}
/// @brief Sets arguments and parses them
void setArgs(int argc, char** argv);
/// @brief Returns true if arguments contain paramKey with a value (seperated by '=')
bool hasParamWithValue(const char* paramKey) const;
/// @brief Returns value of arguments
/// @see hasParamWithValue(const char*)
const char* getParamValue(const char* paramKey) const;
/// @brief Return true if arguments has a param (not having a value) i,e without '='
bool hasParam(const char* paramKey) const;
/// @brief Returns true if no params available. This exclude argv[0]
bool empty(void) const;
/// @brief Returns total number of arguments. This exclude argv[0]
std::size_t size(void) const;
friend base::type::ostream_t& operator<<(base::type::ostream_t& os, const CommandLineArgs& c);
private:
int m_argc;
char** m_argv;
std::unordered_map<std::string, std::string> m_paramsWithValue;
std::vector<std::string> m_params;
};
/// @brief Abstract registry (aka repository) that provides basic interface for pointer repository specified by T_Ptr type.
///
/// @detail Most of the functions are virtual final methods but anything implementing this abstract class should implement
/// unregisterAll() and deepCopy(const AbstractRegistry<T_Ptr, Container>&) and write registerNew() method according to container
/// and few more methods; get() to find element, unregister() to unregister single entry.
/// Please note that this is thread-unsafe and should also implement thread-safety mechanisms in implementation.
template <typename T_Ptr, typename Container>
class AbstractRegistry : public base::threading::ThreadSafe {
public:
typedef typename Container::iterator iterator;
typedef typename Container::const_iterator const_iterator;
/// @brief Default constructor
AbstractRegistry(void) {}
/// @brief Move constructor that is useful for base classes
AbstractRegistry(AbstractRegistry&& sr) {
if (this == &sr) {
return;
}
unregisterAll();
m_list = std::move(sr.m_list);
}
bool operator==(const AbstractRegistry<T_Ptr, Container>& other) {
if (size() != other.size()) {
return false;
}
for (std::size_t i = 0; i < m_list.size(); ++i) {
if (m_list.at(i) != other.m_list.at(i)) {
return false;
}
}
return true;
}
bool operator!=(const AbstractRegistry<T_Ptr, Container>& other) {
if (size() != other.size()) {
return true;
}
for (std::size_t i = 0; i < m_list.size(); ++i) {
if (m_list.at(i) != other.m_list.at(i)) {
return true;
}
}
return false;
}
/// @brief Assignment move operator
AbstractRegistry& operator=(AbstractRegistry&& sr) {
if (this == &sr) {
return *this;
}
unregisterAll();
m_list = std::move(sr.m_list);
return *this;
}
virtual ~AbstractRegistry(void) {
}
/// @return Iterator pointer from start of repository
virtual inline iterator begin(void) ELPP_FINAL {
return m_list.begin();
}
/// @return Iterator pointer from end of repository
virtual inline iterator end(void) ELPP_FINAL {
return m_list.end();
}
/// @return Constant iterator pointer from start of repository
virtual inline const_iterator cbegin(void) const ELPP_FINAL {
return m_list.cbegin();
}
/// @return End of repository
virtual inline const_iterator cend(void) const ELPP_FINAL {
return m_list.cend();
}
/// @return Whether or not repository is empty
virtual inline bool empty(void) const ELPP_FINAL {
return m_list.empty();
}
/// @return Size of repository
virtual inline std::size_t size(void) const ELPP_FINAL {
return m_list.size();
}
/// @brief Returns underlying container by reference
virtual inline Container& list(void) ELPP_FINAL {
return m_list;
}
/// @brief Returns underlying container by constant reference.
virtual inline const Container& list(void) const ELPP_FINAL {
return m_list;
}
/// @brief Unregisters all the pointers from current repository.
virtual void unregisterAll(void) = 0;
protected:
virtual void deepCopy(const AbstractRegistry<T_Ptr, Container>&) = 0;
void reinitDeepCopy(const AbstractRegistry<T_Ptr, Container>& sr) {
unregisterAll();
deepCopy(sr);
}
private:
Container m_list;
};
/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (non-predicate version)
///
/// @detail NOTE: This is thread-unsafe implementation (although it contains lock function, it does not use these functions)
/// of AbstractRegistry<T_Ptr, Container>. Any implementation of this class should be
/// explicitly (by using lock functions)
template <typename T_Ptr, typename T_Key = const char*>
class Registry : public AbstractRegistry<T_Ptr, std::unordered_map<T_Key, T_Ptr*>> {
public:
typedef typename Registry<T_Ptr, T_Key>::iterator iterator;
typedef typename Registry<T_Ptr, T_Key>::const_iterator const_iterator;
Registry(void) {}
/// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor.
Registry(const Registry& sr) : AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>() {
if (this == &sr) {
return;
}
this->reinitDeepCopy(sr);
}
/// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element
/// @see unregisterAll()
/// @see deepCopy(const AbstractRegistry&)
Registry& operator=(const Registry& sr) {
if (this == &sr) {
return *this;
}
this->reinitDeepCopy(sr);
return *this;
}
virtual ~Registry(void) {
unregisterAll();
}
protected:
virtual void unregisterAll(void) ELPP_FINAL {
if (!this->empty()) {
for (auto&& curr : this->list()) {
base::utils::safeDelete(curr.second);
}
this->list().clear();
}
}
/// @brief Registers new registry to repository.
virtual void registerNew(const T_Key& uniqKey, T_Ptr* ptr) ELPP_FINAL {
unregister(uniqKey);
this->list().insert(std::make_pair(uniqKey, ptr));
}
/// @brief Unregisters single entry mapped to specified unique key
void unregister(const T_Key& uniqKey) {
T_Ptr* existing = get(uniqKey);
if (existing != nullptr) {
this->list().erase(uniqKey);
base::utils::safeDelete(existing);
}
}
/// @brief Gets pointer from repository. If none found, nullptr is returned.
T_Ptr* get(const T_Key& uniqKey) {
iterator it = this->list().find(uniqKey);
return it == this->list().end()
? nullptr
: it->second;
}
private:
virtual void deepCopy(const AbstractRegistry<T_Ptr, std::unordered_map<T_Key, T_Ptr*>>& sr) ELPP_FINAL {
for (const_iterator it = sr.cbegin(); it != sr.cend(); ++it) {
registerNew(it->first, new T_Ptr(*it->second));
}
}
};
/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (predicate version)
///
/// @detail NOTE: This is thread-unsafe implementation of AbstractRegistry<T_Ptr, Container>. Any implementation of this class
/// should be made thread-safe explicitly
template <typename T_Ptr, typename Pred>
class RegistryWithPred : public AbstractRegistry<T_Ptr, std::vector<T_Ptr*>> {
public:
typedef typename RegistryWithPred<T_Ptr, Pred>::iterator iterator;
typedef typename RegistryWithPred<T_Ptr, Pred>::const_iterator const_iterator;
RegistryWithPred(void) {
}
virtual ~RegistryWithPred(void) {
unregisterAll();
}
/// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor.
RegistryWithPred(const RegistryWithPred& sr) : AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>() {
if (this == &sr) {
return;
}
this->reinitDeepCopy(sr);
}
/// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element
/// @see unregisterAll()
/// @see deepCopy(const AbstractRegistry&)
RegistryWithPred& operator=(const RegistryWithPred& sr) {
if (this == &sr) {
return *this;
}
this->reinitDeepCopy(sr);
return *this;
}
friend base::type::ostream_t& operator<<(base::type::ostream_t& os, const RegistryWithPred& sr) {
for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) {
os << ELPP_LITERAL(" ") << **it << ELPP_LITERAL("\n");
}
return os;
}
protected:
virtual void unregisterAll(void) ELPP_FINAL {
if (!this->empty()) {
for (auto&& curr : this->list()) {
base::utils::safeDelete(curr);
}
this->list().clear();
}
}
virtual void unregister(T_Ptr*& ptr) ELPP_FINAL {
if (ptr) {
iterator iter = this->begin();
for (; iter != this->end(); ++iter) {
if (ptr == *iter) {
break;
}
}
if (iter != this->end() && *iter != nullptr) {
this->list().erase(iter);
base::utils::safeDelete(*iter);
}
}
}
virtual inline void registerNew(T_Ptr* ptr) ELPP_FINAL {
this->list().push_back(ptr);
}
/// @brief Gets pointer from repository with speicifed arguments. Arguments are passed to predicate
/// in order to validate pointer.
template <typename T, typename T2>
T_Ptr* get(const T& arg1, const T2 arg2) {
iterator iter = std::find_if(this->list().begin(), this->list().end(), Pred(arg1, arg2));
if (iter != this->list().end() && *iter != nullptr) {
return *iter;
}
return nullptr;
}
private:
virtual void deepCopy(const AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>& sr) {
for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) {
registerNew(new T_Ptr(**it));
}
}
};
class Utils {
public:
template <typename T, typename TPtr>
static bool installCallback(const std::string& id, std::unordered_map<std::string, TPtr>* mapT) {
if (mapT->find(id) == mapT->end()) {
mapT->insert(std::make_pair(id, TPtr(new T())));
return true;
}
return false;
}
template <typename T, typename TPtr>
static void uninstallCallback(const std::string& id, std::unordered_map<std::string, TPtr>* mapT) {
if (mapT->find(id) != mapT->end()) {
mapT->erase(id);
}
}
template <typename T, typename TPtr>
static T* callback(const std::string& id, std::unordered_map<std::string, TPtr>* mapT) {
typename std::unordered_map<std::string, TPtr>::iterator iter = mapT->find(id);
if (iter != mapT->end()) {
return static_cast<T*>(iter->second.get());
}
return nullptr;
}
};
} // namespace utils
} // namespace base
/// @brief Base of Easylogging++ friendly class
///
/// @detail After inheriting this class publicly, implement pure-virtual function `void log(std::ostream&) const`
class Loggable {
public:
virtual ~Loggable(void) {}
virtual void log(el::base::type::ostream_t&) const = 0;
private:
friend inline el::base::type::ostream_t& operator<<(el::base::type::ostream_t& os, const Loggable& loggable) {
loggable.log(os);
return os;
}
};
namespace base {
/// @brief Represents log format containing flags and date format. This is used internally to start initial log
class LogFormat : public Loggable {
public:
LogFormat(void);
LogFormat(Level level, const base::type::string_t& format);
LogFormat(const LogFormat& logFormat);
LogFormat(LogFormat&& logFormat);
LogFormat& operator=(const LogFormat& logFormat);
virtual ~LogFormat(void) {}
bool operator==(const LogFormat& other);
/// @brief Updates format to be used while logging.
/// @param userFormat User provided format
void parseFromFormat(const base::type::string_t& userFormat);
inline Level level(void) const {
return m_level;
}
inline const base::type::string_t& userFormat(void) const {
return m_userFormat;
}
inline const base::type::string_t& format(void) const {
return m_format;
}
inline const std::string& dateTimeFormat(void) const {
return m_dateTimeFormat;
}
inline base::type::EnumType flags(void) const {
return m_flags;
}
inline bool hasFlag(base::FormatFlags flag) const {
return base::utils::hasFlag(flag, m_flags);
}
virtual void log(el::base::type::ostream_t& os) const {
os << m_format;
}
protected:
/// @brief Updates date time format if available in currFormat.
/// @param index Index where %datetime, %date or %time was found
/// @param [in,out] currFormat current format that is being used to format
virtual void updateDateFormat(std::size_t index, base::type::string_t& currFormat) ELPP_FINAL;
/// @brief Updates %level from format. This is so that we dont have to do it at log-writing-time. It uses m_format and m_level
virtual void updateFormatSpec(void) ELPP_FINAL;
inline void addFlag(base::FormatFlags flag) {
base::utils::addFlag(flag, &m_flags);
}
private:
Level m_level;
base::type::string_t m_userFormat;
base::type::string_t m_format;
std::string m_dateTimeFormat;
base::type::EnumType m_flags;
std::string m_currentUser;
std::string m_currentHost;
friend class el::Logger; // To resolve loggerId format specifier easily
};
} // namespace base
/// @brief Resolving function for format specifier
typedef std::function<std::string(const LogMessage*)> FormatSpecifierValueResolver;
/// @brief User-provided custom format specifier
/// @see el::Helpers::installCustomFormatSpecifier
/// @see FormatSpecifierValueResolver
class CustomFormatSpecifier {
public:
CustomFormatSpecifier(const char* formatSpecifier, const FormatSpecifierValueResolver& resolver) :
m_formatSpecifier(formatSpecifier), m_resolver(resolver) {}
inline const char* formatSpecifier(void) const {
return m_formatSpecifier;
}
inline const FormatSpecifierValueResolver& resolver(void) const {
return m_resolver;
}
inline bool operator==(const char* formatSpecifier) {
return strcmp(m_formatSpecifier, formatSpecifier) == 0;
}
private:
const char* m_formatSpecifier;
FormatSpecifierValueResolver m_resolver;
};
/// @brief Represents single configuration that has representing level, configuration type and a string based value.
///
/// @detail String based value means any value either its boolean, integer or string itself, it will be embedded inside quotes
/// and will be parsed later.
///
/// Consider some examples below:
/// * el::Configuration confEnabledInfo(el::Level::Info, el::ConfigurationType::Enabled, "true");
/// * el::Configuration confMaxLogFileSizeInfo(el::Level::Info, el::ConfigurationType::MaxLogFileSize, "2048");
/// * el::Configuration confFilenameInfo(el::Level::Info, el::ConfigurationType::Filename, "/var/log/my.log");
class Configuration : public Loggable {
public:
Configuration(const Configuration& c);
Configuration& operator=(const Configuration& c);
virtual ~Configuration(void) {
}
/// @brief Full constructor used to sets value of configuration
Configuration(Level level, ConfigurationType configurationType, const std::string& value);
/// @brief Gets level of current configuration
inline Level level(void) const {
return m_level;
}
/// @brief Gets configuration type of current configuration
inline ConfigurationType configurationType(void) const {
return m_configurationType;
}
/// @brief Gets string based configuration value
inline const std::string& value(void) const {
return m_value;
}
/// @brief Set string based configuration value
/// @param value Value to set. Values have to be std::string; For boolean values use "true", "false", for any integral values
/// use them in quotes. They will be parsed when configuring
inline void setValue(const std::string& value) {
m_value = value;
}
virtual void log(el::base::type::ostream_t& os) const;
/// @brief Used to find configuration from configuration (pointers) repository. Avoid using it.
class Predicate {
public:
Predicate(Level level, ConfigurationType configurationType);
bool operator()(const Configuration* conf) const;
private:
Level m_level;
ConfigurationType m_configurationType;
};
private:
Level m_level;
ConfigurationType m_configurationType;
std::string m_value;
};
/// @brief Thread-safe Configuration repository
///
/// @detail This repository represents configurations for all the levels and configuration type mapped to a value.
class Configurations : public base::utils::RegistryWithPred<Configuration, Configuration::Predicate> {
public:
/// @brief Default constructor with empty repository
Configurations(void);
/// @brief Constructor used to set configurations using configuration file.
/// @param configurationFile Full path to configuration file
/// @param useDefaultsForRemaining Lets you set the remaining configurations to default.
/// @param base If provided, this configuration will be based off existing repository that this argument is pointing to.
/// @see parseFromFile(const std::string&, Configurations* base)
/// @see setRemainingToDefault()
Configurations(const std::string& configurationFile, bool useDefaultsForRemaining = true,
Configurations* base = nullptr);
virtual ~Configurations(void) {
}
/// @brief Parses configuration from file.
/// @param configurationFile Full path to configuration file
/// @param base Configurations to base new configuration repository off. This value is used when you want to use
/// existing Configurations to base all the values and then set rest of configuration via configuration file.
/// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you
/// do not proceed without successful parse.
bool parseFromFile(const std::string& configurationFile, Configurations* base = nullptr);
/// @brief Parse configurations from configuration string.
///
/// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary
/// new line characters are provided.
/// @param base Configurations to base new configuration repository off. This value is used when you want to use
/// existing Configurations to base all the values and then set rest of configuration via configuration text.
/// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you
/// do not proceed without successful parse.
bool parseFromText(const std::string& configurationsString, Configurations* base = nullptr);
/// @brief Sets configuration based-off an existing configurations.
/// @param base Pointer to existing configurations.
void setFromBase(Configurations* base);
/// @brief Determines whether or not specified configuration type exists in the repository.
///
/// @detail Returns as soon as first level is found.
/// @param configurationType Type of configuration to check existence for.
bool hasConfiguration(ConfigurationType configurationType);
/// @brief Determines whether or not specified configuration type exists for specified level
/// @param level Level to check
/// @param configurationType Type of configuration to check existence for.
bool hasConfiguration(Level level, ConfigurationType configurationType);
/// @brief Sets value of configuration for specified level.
///
/// @detail Any existing configuration for specified level will be replaced. Also note that configuration types
/// ConfigurationType::SubsecondPrecision and ConfigurationType::PerformanceTracking will be ignored if not set for
/// Level::Global because these configurations are not dependant on level.
/// @param level Level to set configuration for (el::Level).
/// @param configurationType Type of configuration (el::ConfigurationType)
/// @param value A string based value. Regardless of what the data type of configuration is, it will always be string
/// from users' point of view. This is then parsed later to be used internally.
/// @see Configuration::setValue(const std::string& value)
/// @see el::Level
/// @see el::ConfigurationType
void set(Level level, ConfigurationType configurationType, const std::string& value);
/// @brief Sets single configuration based on other single configuration.
/// @see set(Level level, ConfigurationType configurationType, const std::string& value)
void set(Configuration* conf);
inline Configuration* get(Level level, ConfigurationType configurationType) {
base::threading::ScopedLock scopedLock(lock());
return RegistryWithPred<Configuration, Configuration::Predicate>::get(level, configurationType);
}
/// @brief Sets configuration for all levels.
/// @param configurationType Type of configuration
/// @param value String based value
/// @see Configurations::set(Level level, ConfigurationType configurationType, const std::string& value)
inline void setGlobally(ConfigurationType configurationType, const std::string& value) {
setGlobally(configurationType, value, false);
}
/// @brief Clears repository so that all the configurations are unset
inline void clear(void) {
base::threading::ScopedLock scopedLock(lock());
unregisterAll();
}
/// @brief Gets configuration file used in parsing this configurations.
///
/// @detail If this repository was set manually or by text this returns empty string.
inline const std::string& configurationFile(void) const {
return m_configurationFile;
}
/// @brief Sets configurations to "factory based" configurations.
void setToDefault(void);
/// @brief Lets you set the remaining configurations to default.
///
/// @detail By remaining, it means that the level/type a configuration does not exist for.
/// This function is useful when you want to minimize chances of failures, e.g, if you have a configuration file that sets
/// configuration for all the configurations except for Enabled or not, we use this so that ENABLED is set to default i.e,
/// true. If you dont do this explicitly (either by calling this function or by using second param in Constructor
/// and try to access a value, an error is thrown
void setRemainingToDefault(void);
/// @brief Parser used internally to parse configurations from file or text.
///
/// @detail This class makes use of base::utils::Str.
/// You should not need this unless you are working on some tool for Easylogging++
class Parser : base::StaticClass {
public:
/// @brief Parses configuration from file.
/// @param configurationFile Full path to configuration file
/// @param sender Sender configurations pointer. Usually 'this' is used from calling class
/// @param base Configurations to base new configuration repository off. This value is used when you want to use
/// existing Configurations to base all the values and then set rest of configuration via configuration file.
/// @return True if successfully parsed, false otherwise. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you
/// do not proceed without successful parse.
static bool parseFromFile(const std::string& configurationFile, Configurations* sender,
Configurations* base = nullptr);
/// @brief Parse configurations from configuration string.
///
/// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary
/// new line characters are provided. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you
/// do not proceed without successful parse (This is recommended)
/// @param configurationsString the configuration in plain text format
/// @param sender Sender configurations pointer. Usually 'this' is used from calling class
/// @param base Configurations to base new configuration repository off. This value is used when you want to use
/// existing Configurations to base all the values and then set rest of configuration via configuration text.
/// @return True if successfully parsed, false otherwise.
static bool parseFromText(const std::string& configurationsString, Configurations* sender,
Configurations* base = nullptr);
private:
friend class el::Loggers;
static void ignoreComments(std::string* line);
static bool isLevel(const std::string& line);
static bool isComment(const std::string& line);
static inline bool isConfig(const std::string& line);
static bool parseLine(std::string* line, std::string* currConfigStr, std::string* currLevelStr, Level* currLevel,
Configurations* conf);
};
private:
std::string m_configurationFile;
bool m_isFromFile;
friend class el::Loggers;
/// @brief Unsafely sets configuration if does not already exist
void unsafeSetIfNotExist(Level level, ConfigurationType configurationType, const std::string& value);
/// @brief Thread unsafe set
void unsafeSet(Level level, ConfigurationType configurationType, const std::string& value);
/// @brief Sets configurations for all levels including Level::Global if includeGlobalLevel is true
/// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value)
void setGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel);
/// @brief Sets configurations (Unsafely) for all levels including Level::Global if includeGlobalLevel is true
/// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value)
void unsafeSetGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel);
};
namespace base {
typedef std::shared_ptr<base::type::fstream_t> FileStreamPtr;
typedef std::unordered_map<std::string, FileStreamPtr> LogStreamsReferenceMap;
/// @brief Configurations with data types.
///
/// @detail el::Configurations have string based values. This is whats used internally in order to read correct configurations.
/// This is to perform faster while writing logs using correct configurations.
///
/// This is thread safe and final class containing non-virtual destructor (means nothing should inherit this class)
class TypedConfigurations : public base::threading::ThreadSafe {
public:
/// @brief Constructor to initialize (construct) the object off el::Configurations
/// @param configurations Configurations pointer/reference to base this typed configurations off.
/// @param logStreamsReference Use ELPP->registeredLoggers()->logStreamsReference()
TypedConfigurations(Configurations* configurations, base::LogStreamsReferenceMap* logStreamsReference);
TypedConfigurations(const TypedConfigurations& other);
virtual ~TypedConfigurations(void) {
}
const Configurations* configurations(void) const {
return m_configurations;
}
bool enabled(Level level);
bool toFile(Level level);
const std::string& filename(Level level);
bool toStandardOutput(Level level);
const base::LogFormat& logFormat(Level level);
const base::SubsecondPrecision& subsecondPrecision(Level level = Level::Global);
const base::MillisecondsWidth& millisecondsWidth(Level level = Level::Global);
bool performanceTracking(Level level = Level::Global);
base::type::fstream_t* fileStream(Level level);
std::size_t maxLogFileSize(Level level);
std::size_t logFlushThreshold(Level level);
private:
Configurations* m_configurations;
std::unordered_map<Level, bool> m_enabledMap;
std::unordered_map<Level, bool> m_toFileMap;
std::unordered_map<Level, std::string> m_filenameMap;
std::unordered_map<Level, bool> m_toStandardOutputMap;
std::unordered_map<Level, base::LogFormat> m_logFormatMap;
std::unordered_map<Level, base::SubsecondPrecision> m_subsecondPrecisionMap;
std::unordered_map<Level, bool> m_performanceTrackingMap;
std::unordered_map<Level, base::FileStreamPtr> m_fileStreamMap;
std::unordered_map<Level, std::size_t> m_maxLogFileSizeMap;
std::unordered_map<Level, std::size_t> m_logFlushThresholdMap;
base::LogStreamsReferenceMap* m_logStreamsReference;
friend class el::Helpers;
friend class el::base::MessageBuilder;
friend class el::base::Writer;
friend class el::base::DefaultLogDispatchCallback;
friend class el::base::LogDispatcher;
template <typename Conf_T>
inline Conf_T getConfigByVal(Level level, const std::unordered_map<Level, Conf_T>* confMap, const char* confName) {
base::threading::ScopedLock scopedLock(lock());
return unsafeGetConfigByVal(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope
}
template <typename Conf_T>
inline Conf_T& getConfigByRef(Level level, std::unordered_map<Level, Conf_T>* confMap, const char* confName) {
base::threading::ScopedLock scopedLock(lock());
return unsafeGetConfigByRef(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope
}
template <typename Conf_T>
Conf_T unsafeGetConfigByVal(Level level, const std::unordered_map<Level, Conf_T>* confMap, const char* confName) {
ELPP_UNUSED(confName);
typename std::unordered_map<Level, Conf_T>::const_iterator it = confMap->find(level);
if (it == confMap->end()) {
try {
return confMap->at(Level::Global);
} catch (...) {
ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level ["
<< LevelHelper::convertToString(level) << "]"
<< std::endl << "Please ensure you have properly configured logger.", false);
return Conf_T();
}
}
return it->second;
}
template <typename Conf_T>
Conf_T& unsafeGetConfigByRef(Level level, std::unordered_map<Level, Conf_T>* confMap, const char* confName) {
ELPP_UNUSED(confName);
typename std::unordered_map<Level, Conf_T>::iterator it = confMap->find(level);
if (it == confMap->end()) {
try {
return confMap->at(Level::Global);
} catch (...) {
ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level ["
<< LevelHelper::convertToString(level) << "]"
<< std::endl << "Please ensure you have properly configured logger.", false);
}
}
return it->second;
}
template <typename Conf_T>
void setValue(Level level, const Conf_T& value, std::unordered_map<Level, Conf_T>* confMap,
bool includeGlobalLevel = true) {
// If map is empty and we are allowed to add into generic level (Level::Global), do it!
if (confMap->empty() && includeGlobalLevel) {
confMap->insert(std::make_pair(Level::Global, value));
return;
}
// If same value exist in generic level already, dont add it to explicit level
typename std::unordered_map<Level, Conf_T>::iterator it = confMap->find(Level::Global);
if (it != confMap->end() && it->second == value) {
return;
}
// Now make sure we dont double up values if we really need to add it to explicit level
it = confMap->find(level);
if (it == confMap->end()) {
// Value not found for level, add new
confMap->insert(std::make_pair(level, value));
} else {
// Value found, just update value
confMap->at(level) = value;
}
}
void build(Configurations* configurations);
unsigned long getULong(std::string confVal);
std::string resolveFilename(const std::string& filename);
void insertFile(Level level, const std::string& fullFilename);
bool unsafeValidateFileRolling(Level level, const PreRollOutCallback& preRollOutCallback);
inline bool validateFileRolling(Level level, const PreRollOutCallback& preRollOutCallback) {
base::threading::ScopedLock scopedLock(lock());
return unsafeValidateFileRolling(level, preRollOutCallback);
}
};
/// @brief Class that keeps record of current line hit for occasional logging
class HitCounter {
public:
HitCounter(void) :
m_filename(""),
m_lineNumber(0),
m_hitCounts(0) {
}
HitCounter(const char* filename, base::type::LineNumber lineNumber) :
m_filename(filename),
m_lineNumber(lineNumber),
m_hitCounts(0) {
}
HitCounter(const HitCounter& hitCounter) :
m_filename(hitCounter.m_filename),
m_lineNumber(hitCounter.m_lineNumber),
m_hitCounts(hitCounter.m_hitCounts) {
}
HitCounter& operator=(const HitCounter& hitCounter) {
if (&hitCounter != this) {
m_filename = hitCounter.m_filename;
m_lineNumber = hitCounter.m_lineNumber;
m_hitCounts = hitCounter.m_hitCounts;
}
return *this;
}
virtual ~HitCounter(void) {
}
/// @brief Resets location of current hit counter
inline void resetLocation(const char* filename, base::type::LineNumber lineNumber) {
m_filename = filename;
m_lineNumber = lineNumber;
}
/// @brief Validates hit counts and resets it if necessary
inline void validateHitCounts(std::size_t n) {
if (m_hitCounts >= base::consts::kMaxLogPerCounter) {
m_hitCounts = (n >= 1 ? base::consts::kMaxLogPerCounter % n : 0);
}
++m_hitCounts;
}
inline const char* filename(void) const {
return m_filename;
}
inline base::type::LineNumber lineNumber(void) const {
return m_lineNumber;
}
inline std::size_t hitCounts(void) const {
return m_hitCounts;
}
inline void increment(void) {
++m_hitCounts;
}
class Predicate {
public:
Predicate(const char* filename, base::type::LineNumber lineNumber)
: m_filename(filename),
m_lineNumber(lineNumber) {
}
inline bool operator()(const HitCounter* counter) {
return ((counter != nullptr) &&
(strcmp(counter->m_filename, m_filename) == 0) &&
(counter->m_lineNumber == m_lineNumber));
}
private:
const char* m_filename;
base::type::LineNumber m_lineNumber;
};
private:
const char* m_filename;
base::type::LineNumber m_lineNumber;
std::size_t m_hitCounts;
};
/// @brief Repository for hit counters used across the application
class RegisteredHitCounters : public base::utils::RegistryWithPred<base::HitCounter, base::HitCounter::Predicate> {
public:
/// @brief Validates counter for every N, i.e, registers new if does not exist otherwise updates original one
/// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
bool validateEveryN(const char* filename, base::type::LineNumber lineNumber, std::size_t n);
/// @brief Validates counter for hits >= N, i.e, registers new if does not exist otherwise updates original one
/// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
bool validateAfterN(const char* filename, base::type::LineNumber lineNumber, std::size_t n);
/// @brief Validates counter for hits are <= n, i.e, registers new if does not exist otherwise updates original one
/// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
bool validateNTimes(const char* filename, base::type::LineNumber lineNumber, std::size_t n);
/// @brief Gets hit counter registered at specified position
inline const base::HitCounter* getCounter(const char* filename, base::type::LineNumber lineNumber) {
base::threading::ScopedLock scopedLock(lock());
return get(filename, lineNumber);
}
};
/// @brief Action to be taken for dispatching
enum class DispatchAction : base::type::EnumType {
None = 1, NormalLog = 2, SysLog = 4, FileOnlyLog = 8,
};
} // namespace base
template <typename T>
class Callback : protected base::threading::ThreadSafe {
public:
Callback(void) : m_enabled(true) {}
inline bool enabled(void) const {
return m_enabled;
}
inline void setEnabled(bool enabled) {
base::threading::ScopedLock scopedLock(lock());
m_enabled = enabled;
}
protected:
virtual void handle(const T* handlePtr) = 0;
private:
bool m_enabled;
};
class LogDispatchData {
public:
LogDispatchData() : m_logMessage(nullptr), m_dispatchAction(base::DispatchAction::None) {}
inline const LogMessage* logMessage(void) const {
return m_logMessage;
}
inline base::DispatchAction dispatchAction(void) const {
return m_dispatchAction;
}
inline void setLogMessage(LogMessage* logMessage) {
m_logMessage = logMessage;
}
inline void setDispatchAction(base::DispatchAction dispatchAction) {
m_dispatchAction = dispatchAction;
}
private:
LogMessage* m_logMessage;
base::DispatchAction m_dispatchAction;
friend class base::LogDispatcher;
};
class LogDispatchCallback : public Callback<LogDispatchData> {
protected:
virtual void handle(const LogDispatchData* data);
base::threading::Mutex& fileHandle(const LogDispatchData* data);
private:
friend class base::LogDispatcher;
std::unordered_map<std::string, std::unique_ptr<base::threading::Mutex>> m_fileLocks;
base::threading::Mutex m_fileLocksMapLock;
};
class PerformanceTrackingCallback : public Callback<PerformanceTrackingData> {
private:
friend class base::PerformanceTracker;
};
class LoggerRegistrationCallback : public Callback<Logger> {
private:
friend class base::RegisteredLoggers;
};
class LogBuilder : base::NoCopy {
public:
LogBuilder() : m_termSupportsColor(base::utils::OS::termSupportsColor()) {}
virtual ~LogBuilder(void) {
ELPP_INTERNAL_INFO(3, "Destroying log builder...")
}
virtual base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const = 0;
void convertToColoredOutput(base::type::string_t* logLine, Level level, Color color);
void setColor(Color color, bool bright);
private:
bool m_termSupportsColor;
friend class el::base::DefaultLogDispatchCallback;
};
typedef std::shared_ptr<LogBuilder> LogBuilderPtr;
/// @brief Represents a logger holding ID and configurations we need to write logs
///
/// @detail This class does not write logs itself instead its used by writer to read configuations from.
class Logger : public base::threading::ThreadSafe, public Loggable {
public:
Logger(const std::string& id, base::LogStreamsReferenceMap* logStreamsReference);
Logger(const std::string& id, const Configurations& configurations, base::LogStreamsReferenceMap* logStreamsReference);
Logger(const Logger& logger);
Logger& operator=(const Logger& logger);
virtual ~Logger(void) {
base::utils::safeDelete(m_typedConfigurations);
}
virtual inline void log(el::base::type::ostream_t& os) const {
os << m_id.c_str();
}
/// @brief Configures the logger using specified configurations.
void configure(const Configurations& configurations);
/// @brief Reconfigures logger using existing configurations
void reconfigure(void);
inline const std::string& id(void) const {
return m_id;
}
inline const std::string& parentApplicationName(void) const {
return m_parentApplicationName;
}
inline void setParentApplicationName(const std::string& parentApplicationName) {
m_parentApplicationName = parentApplicationName;
}
inline Configurations* configurations(void) {
return &m_configurations;
}
inline base::TypedConfigurations* typedConfigurations(void) {
return m_typedConfigurations;
}
static bool isValidId(const std::string& id);
/// @brief Flushes logger to sync all log files for all levels
void flush(void);
void flush(Level level, base::type::fstream_t* fs);
inline bool isFlushNeeded(Level level) {
return ++m_unflushedCount.find(level)->second >= m_typedConfigurations->logFlushThreshold(level);
}
inline LogBuilder* logBuilder(void) const {
return m_logBuilder.get();
}
inline void setLogBuilder(const LogBuilderPtr& logBuilder) {
m_logBuilder = logBuilder;
}
inline bool enabled(Level level) const {
return m_typedConfigurations->enabled(level);
}
#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
# define LOGGER_LEVEL_WRITERS_SIGNATURES(FUNCTION_NAME)\
template <typename T, typename... Args>\
inline void FUNCTION_NAME(const char*, const T&, const Args&...);\
template <typename T>\
inline void FUNCTION_NAME(const T&);
template <typename T, typename... Args>
inline void verbose(int, const char*, const T&, const Args&...);
template <typename T>
inline void verbose(int, const T&);
LOGGER_LEVEL_WRITERS_SIGNATURES(info)
LOGGER_LEVEL_WRITERS_SIGNATURES(debug)
LOGGER_LEVEL_WRITERS_SIGNATURES(warn)
LOGGER_LEVEL_WRITERS_SIGNATURES(error)
LOGGER_LEVEL_WRITERS_SIGNATURES(fatal)
LOGGER_LEVEL_WRITERS_SIGNATURES(trace)
# undef LOGGER_LEVEL_WRITERS_SIGNATURES
#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
private:
std::string m_id;
base::TypedConfigurations* m_typedConfigurations;
base::type::stringstream_t m_stream;
std::string m_parentApplicationName;
bool m_isConfigured;
Configurations m_configurations;
std::unordered_map<Level, unsigned int> m_unflushedCount;
base::LogStreamsReferenceMap* m_logStreamsReference;
LogBuilderPtr m_logBuilder;
friend class el::LogMessage;
friend class el::Loggers;
friend class el::Helpers;
friend class el::base::RegisteredLoggers;
friend class el::base::DefaultLogDispatchCallback;
friend class el::base::MessageBuilder;
friend class el::base::Writer;
friend class el::base::PErrorWriter;
friend class el::base::Storage;
friend class el::base::PerformanceTracker;
friend class el::base::LogDispatcher;
Logger(void);
#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
template <typename T, typename... Args>
void log_(Level, int, const char*, const T&, const Args&...);
template <typename T>
inline void log_(Level, int, const T&);
template <typename T, typename... Args>
void log(Level, const char*, const T&, const Args&...);
template <typename T>
inline void log(Level, const T&);
#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
void initUnflushedCount(void);
inline base::type::stringstream_t& stream(void) {
return m_stream;
}
void resolveLoggerFormatSpec(void) const;
};
namespace base {
/// @brief Loggers repository
class RegisteredLoggers : public base::utils::Registry<Logger, std::string> {
public:
explicit RegisteredLoggers(const LogBuilderPtr& defaultLogBuilder);
virtual ~RegisteredLoggers(void) {
unsafeFlushAll();
}
inline void setDefaultConfigurations(const Configurations& configurations) {
base::threading::ScopedLock scopedLock(lock());
m_defaultConfigurations.setFromBase(const_cast<Configurations*>(&configurations));
}
inline Configurations* defaultConfigurations(void) {
return &m_defaultConfigurations;
}
Logger* get(const std::string& id, bool forceCreation = true);
template <typename T>
inline bool installLoggerRegistrationCallback(const std::string& id) {
return base::utils::Utils::installCallback<T, base::type::LoggerRegistrationCallbackPtr>(id,
&m_loggerRegistrationCallbacks);
}
template <typename T>
inline void uninstallLoggerRegistrationCallback(const std::string& id) {
base::utils::Utils::uninstallCallback<T, base::type::LoggerRegistrationCallbackPtr>(id, &m_loggerRegistrationCallbacks);
}
template <typename T>
inline T* loggerRegistrationCallback(const std::string& id) {
return base::utils::Utils::callback<T, base::type::LoggerRegistrationCallbackPtr>(id, &m_loggerRegistrationCallbacks);
}
bool remove(const std::string& id);
inline bool has(const std::string& id) {
return get(id, false) != nullptr;
}
inline void unregister(Logger*& logger) {
base::threading::ScopedLock scopedLock(lock());
base::utils::Registry<Logger, std::string>::unregister(logger->id());
}
inline base::LogStreamsReferenceMap* logStreamsReference(void) {
return &m_logStreamsReference;
}
inline void flushAll(void) {
base::threading::ScopedLock scopedLock(lock());
unsafeFlushAll();
}
inline void setDefaultLogBuilder(LogBuilderPtr& logBuilderPtr) {
base::threading::ScopedLock scopedLock(lock());
m_defaultLogBuilder = logBuilderPtr;
}
private:
LogBuilderPtr m_defaultLogBuilder;
Configurations m_defaultConfigurations;
base::LogStreamsReferenceMap m_logStreamsReference;
std::unordered_map<std::string, base::type::LoggerRegistrationCallbackPtr> m_loggerRegistrationCallbacks;
friend class el::base::Storage;
void unsafeFlushAll(void);
};
/// @brief Represents registries for verbose logging
class VRegistry : base::NoCopy, public base::threading::ThreadSafe {
public:
explicit VRegistry(base::type::VerboseLevel level, base::type::EnumType* pFlags);
/// @brief Sets verbose level. Accepted range is 0-9
void setLevel(base::type::VerboseLevel level);
inline base::type::VerboseLevel level(void) const {
return m_level;
}
inline void clearCategories(void) {
base::threading::ScopedLock scopedLock(lock());
m_categories.clear();
m_cached_allowed_categories.clear();
m_lowest_priority = INT_MAX;
}
inline void clearModules(void) {
base::threading::ScopedLock scopedLock(lock());
m_modules.clear();
}
void setCategories(const char* categories, bool clear = true);
std::string getCategories();
void setModules(const char* modules);
bool allowed(Level level, const std::string &category);
bool allowed(base::type::VerboseLevel vlevel, const char* file);
inline const std::unordered_map<std::string, base::type::VerboseLevel>& modules(void) const {
return m_modules;
}
void setFromArgs(const base::utils::CommandLineArgs* commandLineArgs);
/// @brief Whether or not vModules enabled
inline bool vModulesEnabled(void) {
return !base::utils::hasFlag(LoggingFlag::DisableVModules, *m_pFlags);
}
inline void setFilenameCommonPrefix(const std::string &prefix) {
m_filenameCommonPrefix = prefix;
}
inline const std::string &getFilenameCommonPrefix() const {
return m_filenameCommonPrefix;
}
private:
base::type::VerboseLevel m_level;
base::type::EnumType* m_pFlags;
std::unordered_map<std::string, base::type::VerboseLevel> m_modules;
std::vector<std::pair<std::string, Level>> m_categories;
std::map<std::string, int> m_cached_allowed_categories;
std::string m_categoriesString;
std::string m_filenameCommonPrefix;
std::atomic<int> m_lowest_priority;
};
} // namespace base
class LogMessage {
public:
LogMessage(Level level, Color color, const std::string& file, base::type::LineNumber line, const std::string& func,
base::type::VerboseLevel verboseLevel, Logger* logger, const base::type::string_t *msg = nullptr) :
m_level(level), m_color(color), m_file(file), m_line(line), m_func(func),
m_verboseLevel(verboseLevel), m_logger(logger), m_message(msg ? *msg : logger->stream().str()) {
}
inline Level level(void) const {
return m_level;
}
inline Color color(void) const {
return m_color;
}
inline const std::string& file(void) const {
return m_file;
}
inline base::type::LineNumber line(void) const {
return m_line;
}
inline const std::string& func(void) const {
return m_func;
}
inline base::type::VerboseLevel verboseLevel(void) const {
return m_verboseLevel;
}
inline Logger* logger(void) const {
return m_logger;
}
inline const base::type::string_t& message(void) const {
return m_message;
}
private:
Level m_level;
Color m_color;
std::string m_file;
base::type::LineNumber m_line;
std::string m_func;
base::type::VerboseLevel m_verboseLevel;
Logger* m_logger;
base::type::string_t m_message;
};
namespace base {
#if ELPP_ASYNC_LOGGING
class AsyncLogItem {
public:
explicit AsyncLogItem(const LogMessage& logMessage, const LogDispatchData& data, const base::type::string_t& logLine)
: m_logMessage(logMessage), m_dispatchData(data), m_logLine(logLine) {}
virtual ~AsyncLogItem() {}
inline LogMessage* logMessage(void) {
return &m_logMessage;
}
inline LogDispatchData* data(void) {
return &m_dispatchData;
}
inline base::type::string_t logLine(void) {
return m_logLine;
}
private:
LogMessage m_logMessage;
LogDispatchData m_dispatchData;
base::type::string_t m_logLine;
};
class AsyncLogQueue : public base::threading::ThreadSafe {
public:
virtual ~AsyncLogQueue() {
ELPP_INTERNAL_INFO(6, "~AsyncLogQueue");
}
inline AsyncLogItem next(void) {
base::threading::ScopedLock scopedLock(lock());
AsyncLogItem result = m_queue.front();
m_queue.pop();
return result;
}
inline void push(const AsyncLogItem& item) {
base::threading::ScopedLock scopedLock(lock());
m_queue.push(item);
}
inline void pop(void) {
base::threading::ScopedLock scopedLock(lock());
m_queue.pop();
}
inline AsyncLogItem front(void) {
base::threading::ScopedLock scopedLock(lock());
return m_queue.front();
}
inline bool empty(void) {
base::threading::ScopedLock scopedLock(lock());
return m_queue.empty();
}
private:
std::queue<AsyncLogItem> m_queue;
};
class IWorker {
public:
virtual ~IWorker() {}
virtual void start() = 0;
};
#endif // ELPP_ASYNC_LOGGING
/// @brief Easylogging++ management storage
class Storage : base::NoCopy, public base::threading::ThreadSafe {
public:
#if ELPP_ASYNC_LOGGING
Storage(const LogBuilderPtr& defaultLogBuilder, base::IWorker* asyncDispatchWorker);
#else
explicit Storage(const LogBuilderPtr& defaultLogBuilder);
#endif // ELPP_ASYNC_LOGGING
virtual ~Storage(void);
inline bool validateEveryNCounter(const char* filename, base::type::LineNumber lineNumber, std::size_t occasion) {
return hitCounters()->validateEveryN(filename, lineNumber, occasion);
}
inline bool validateAfterNCounter(const char* filename, base::type::LineNumber lineNumber, std::size_t n) {
return hitCounters()->validateAfterN(filename, lineNumber, n);
}
inline bool validateNTimesCounter(const char* filename, base::type::LineNumber lineNumber, std::size_t n) {
return hitCounters()->validateNTimes(filename, lineNumber, n);
}
inline base::RegisteredHitCounters* hitCounters(void) const {
return m_registeredHitCounters;
}
inline base::RegisteredLoggers* registeredLoggers(void) const {
return m_registeredLoggers;
}
inline base::VRegistry* vRegistry(void) const {
return m_vRegistry;
}
#if ELPP_ASYNC_LOGGING
inline base::AsyncLogQueue* asyncLogQueue(void) const {
return m_asyncLogQueue;
}
#endif // ELPP_ASYNC_LOGGING
inline const base::utils::CommandLineArgs* commandLineArgs(void) const {
return &m_commandLineArgs;
}
inline void addFlag(LoggingFlag flag) {
base::utils::addFlag(flag, &m_flags);
}
inline void removeFlag(LoggingFlag flag) {
base::utils::removeFlag(flag, &m_flags);
}
inline bool hasFlag(LoggingFlag flag) const {
return base::utils::hasFlag(flag, m_flags);
}
inline base::type::EnumType flags(void) const {
return m_flags;
}
inline void setFlags(base::type::EnumType flags) {
m_flags = flags;
}
inline void setPreRollOutCallback(const PreRollOutCallback& callback) {
m_preRollOutCallback = callback;
}
inline void unsetPreRollOutCallback(void) {
m_preRollOutCallback = base::defaultPreRollOutCallback;
}
inline PreRollOutCallback& preRollOutCallback(void) {
return m_preRollOutCallback;
}
bool hasCustomFormatSpecifier(const char* formatSpecifier);
void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier);
bool uninstallCustomFormatSpecifier(const char* formatSpecifier);
const std::vector<CustomFormatSpecifier>* customFormatSpecifiers(void) const {
return &m_customFormatSpecifiers;
}
base::threading::Mutex& customFormatSpecifiersLock() {
return m_customFormatSpecifiersLock;
}
inline void setLoggingLevel(Level level) {
m_loggingLevel = level;
}
template <typename T>
inline bool installLogDispatchCallback(const std::string& id) {
return base::utils::Utils::installCallback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
}
template <typename T>
inline void uninstallLogDispatchCallback(const std::string& id) {
base::utils::Utils::uninstallCallback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
}
template <typename T>
inline T* logDispatchCallback(const std::string& id) {
return base::utils::Utils::callback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
}
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
template <typename T>
inline bool installPerformanceTrackingCallback(const std::string& id) {
return base::utils::Utils::installCallback<T, base::type::PerformanceTrackingCallbackPtr>(id,
&m_performanceTrackingCallbacks);
}
template <typename T>
inline void uninstallPerformanceTrackingCallback(const std::string& id) {
base::utils::Utils::uninstallCallback<T, base::type::PerformanceTrackingCallbackPtr>(id,
&m_performanceTrackingCallbacks);
}
template <typename T>
inline T* performanceTrackingCallback(const std::string& id) {
return base::utils::Utils::callback<T, base::type::PerformanceTrackingCallbackPtr>(id, &m_performanceTrackingCallbacks);
}
#endif // defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
/// @brief Sets thread name for current thread. Requires std::thread
inline void setThreadName(const std::string& name) {
if (name.empty()) return;
base::threading::ScopedLock scopedLock(m_threadNamesLock);
m_threadNames[base::threading::getCurrentThreadId()] = name;
}
inline std::string getThreadName(const std::string& threadId) {
base::threading::ScopedLock scopedLock(m_threadNamesLock);
std::unordered_map<std::string, std::string>::const_iterator it = m_threadNames.find(threadId);
if (it == m_threadNames.end()) {
return threadId;
}
return it->second;
}
static el::base::type::StoragePointer &getELPP();
private:
base::RegisteredHitCounters* m_registeredHitCounters;
base::RegisteredLoggers* m_registeredLoggers;
base::type::EnumType m_flags;
base::VRegistry* m_vRegistry;
#if ELPP_ASYNC_LOGGING
base::AsyncLogQueue* m_asyncLogQueue;
base::IWorker* m_asyncDispatchWorker;
#endif // ELPP_ASYNC_LOGGING
base::utils::CommandLineArgs m_commandLineArgs;
PreRollOutCallback m_preRollOutCallback;
std::unordered_map<std::string, base::type::LogDispatchCallbackPtr> m_logDispatchCallbacks;
std::unordered_map<std::string, base::type::PerformanceTrackingCallbackPtr> m_performanceTrackingCallbacks;
std::unordered_map<std::string, std::string> m_threadNames;
std::vector<CustomFormatSpecifier> m_customFormatSpecifiers;
base::threading::Mutex m_customFormatSpecifiersLock;
base::threading::Mutex m_threadNamesLock;
Level m_loggingLevel;
friend class el::Helpers;
friend class el::base::DefaultLogDispatchCallback;
friend class el::LogBuilder;
friend class el::base::MessageBuilder;
friend class el::base::Writer;
friend class el::base::PerformanceTracker;
friend class el::base::LogDispatcher;
void setApplicationArguments(int argc, char** argv);
inline void setApplicationArguments(int argc, const char** argv) {
setApplicationArguments(argc, const_cast<char**>(argv));
}
};
extern ELPP_EXPORT base::type::StoragePointer elStorage;
#define ELPP el::base::Storage::getELPP()
class DefaultLogDispatchCallback : public LogDispatchCallback {
protected:
void handle(const LogDispatchData* data);
private:
const LogDispatchData* m_data;
void dispatch(base::type::string_t&& rawLinePrefix, base::type::string_t&& rawLinePayload, base::type::string_t&& logLine);
};
#if ELPP_ASYNC_LOGGING
class AsyncLogDispatchCallback : public LogDispatchCallback {
protected:
void handle(const LogDispatchData* data);
};
class AsyncDispatchWorker : public base::IWorker, public base::threading::ThreadSafe {
public:
AsyncDispatchWorker();
virtual ~AsyncDispatchWorker();
bool clean(void);
void emptyQueue(void);
virtual void start(void);
void handle(AsyncLogItem* logItem);
void run(void);
void setContinueRunning(bool value) {
base::threading::ScopedLock scopedLock(m_continueRunningLock);
m_continueRunning = value;
}
bool continueRunning(void) const {
return m_continueRunning;
}
private:
std::condition_variable cv;
bool m_continueRunning;
base::threading::Mutex m_continueRunningLock;
};
#endif // ELPP_ASYNC_LOGGING
} // namespace base
namespace base {
class DefaultLogBuilder : public LogBuilder {
public:
base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const;
};
/// @brief Dispatches log messages
class LogDispatcher : base::NoCopy {
public:
LogDispatcher(bool proceed, LogMessage* logMessage, base::DispatchAction dispatchAction) :
m_proceed(proceed),
m_logMessage(logMessage),
m_dispatchAction(std::move(dispatchAction)) {
}
void dispatch(void);
private:
bool m_proceed;
LogMessage* m_logMessage;
base::DispatchAction m_dispatchAction;
};
#if defined(ELPP_STL_LOGGING)
/// @brief Workarounds to write some STL logs
///
/// @detail There is workaround needed to loop through some stl containers. In order to do that, we need iterable containers
/// of same type and provide iterator interface and pass it on to writeIterator().
/// Remember, this is passed by value in constructor so that we dont change original containers.
/// This operation is as expensive as Big-O(std::min(class_.size(), base::consts::kMaxLogPerContainer))
namespace workarounds {
/// @brief Abstract IterableContainer template that provides interface for iterable classes of type T
template <typename T, typename Container>
class IterableContainer {
public:
typedef typename Container::iterator iterator;
typedef typename Container::const_iterator const_iterator;
IterableContainer(void) {}
virtual ~IterableContainer(void) {}
iterator begin(void) {
return getContainer().begin();
}
iterator end(void) {
return getContainer().end();
}
private:
virtual Container& getContainer(void) = 0;
};
/// @brief Implements IterableContainer and provides iterable std::priority_queue class
template<typename T, typename Container = std::vector<T>, typename Comparator = std::less<typename Container::value_type>>
class IterablePriorityQueue : public IterableContainer<T, Container>,
public std::priority_queue<T, Container, Comparator> {
public:
IterablePriorityQueue(std::priority_queue<T, Container, Comparator> queue_) {
std::size_t count_ = 0;
while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) {
this->push(queue_.top());
queue_.pop();
}
}
private:
inline Container& getContainer(void) {
return this->c;
}
};
/// @brief Implements IterableContainer and provides iterable std::queue class
template<typename T, typename Container = std::deque<T>>
class IterableQueue : public IterableContainer<T, Container>, public std::queue<T, Container> {
public:
IterableQueue(std::queue<T, Container> queue_) {
std::size_t count_ = 0;
while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) {
this->push(queue_.front());
queue_.pop();
}
}
private:
inline Container& getContainer(void) {
return this->c;
}
};
/// @brief Implements IterableContainer and provides iterable std::stack class
template<typename T, typename Container = std::deque<T>>
class IterableStack : public IterableContainer<T, Container>, public std::stack<T, Container> {
public:
IterableStack(std::stack<T, Container> stack_) {
std::size_t count_ = 0;
while (++count_ < base::consts::kMaxLogPerContainer && !stack_.empty()) {
this->push(stack_.top());
stack_.pop();
}
}
private:
inline Container& getContainer(void) {
return this->c;
}
};
} // namespace workarounds
#endif // defined(ELPP_STL_LOGGING)
// Log message builder
class MessageBuilder {
public:
MessageBuilder(void) : m_logger(nullptr), m_containerLogSeperator(ELPP_LITERAL("")) {}
void initialize(Logger* logger);
# define ELPP_SIMPLE_LOG(LOG_TYPE)\
MessageBuilder& operator<<(LOG_TYPE msg) {\
m_logger->stream() << msg;\
if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {\
m_logger->stream() << " ";\
}\
return *this;\
}
inline MessageBuilder& operator<<(const std::string& msg) {
return operator<<(msg.c_str());
}
ELPP_SIMPLE_LOG(char)
ELPP_SIMPLE_LOG(bool)
ELPP_SIMPLE_LOG(signed short)
ELPP_SIMPLE_LOG(unsigned short)
ELPP_SIMPLE_LOG(signed int)
ELPP_SIMPLE_LOG(unsigned int)
ELPP_SIMPLE_LOG(signed long)
ELPP_SIMPLE_LOG(unsigned long)
ELPP_SIMPLE_LOG(float)
ELPP_SIMPLE_LOG(double)
ELPP_SIMPLE_LOG(char*)
ELPP_SIMPLE_LOG(const char*)
ELPP_SIMPLE_LOG(const void*)
ELPP_SIMPLE_LOG(long double)
inline MessageBuilder& operator<<(const std::wstring& msg) {
return operator<<(msg.c_str());
}
MessageBuilder& operator<<(const wchar_t* msg);
// ostream manipulators
inline MessageBuilder& operator<<(std::ostream& (*OStreamMani)(std::ostream&)) {
m_logger->stream() << OStreamMani;
return *this;
}
#define ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(temp) \
template <typename T> \
inline MessageBuilder& operator<<(const temp<T>& template_inst) { \
return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
}
#define ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(temp) \
template <typename T1, typename T2> \
inline MessageBuilder& operator<<(const temp<T1, T2>& template_inst) { \
return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
}
#define ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(temp) \
template <typename T1, typename T2, typename T3> \
inline MessageBuilder& operator<<(const temp<T1, T2, T3>& template_inst) { \
return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
}
#define ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(temp) \
template <typename T1, typename T2, typename T3, typename T4> \
inline MessageBuilder& operator<<(const temp<T1, T2, T3, T4>& template_inst) { \
return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
}
#define ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(temp) \
template <typename T1, typename T2, typename T3, typename T4, typename T5> \
inline MessageBuilder& operator<<(const temp<T1, T2, T3, T4, T5>& template_inst) { \
return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
}
#if defined(ELPP_STL_LOGGING)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::vector)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::list)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::deque)
ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::set)
ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::multiset)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::map)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::multimap)
template <class T, class Container>
inline MessageBuilder& operator<<(const std::queue<T, Container>& queue_) {
base::workarounds::IterableQueue<T, Container> iterableQueue_ =
static_cast<base::workarounds::IterableQueue<T, Container> >(queue_);
return writeIterator(iterableQueue_.begin(), iterableQueue_.end(), iterableQueue_.size());
}
template <class T, class Container>
inline MessageBuilder& operator<<(const std::stack<T, Container>& stack_) {
base::workarounds::IterableStack<T, Container> iterableStack_ =
static_cast<base::workarounds::IterableStack<T, Container> >(stack_);
return writeIterator(iterableStack_.begin(), iterableStack_.end(), iterableStack_.size());
}
template <class T, class Container, class Comparator>
inline MessageBuilder& operator<<(const std::priority_queue<T, Container, Comparator>& priorityQueue_) {
base::workarounds::IterablePriorityQueue<T, Container, Comparator> iterablePriorityQueue_ =
static_cast<base::workarounds::IterablePriorityQueue<T, Container, Comparator> >(priorityQueue_);
return writeIterator(iterablePriorityQueue_.begin(), iterablePriorityQueue_.end(), iterablePriorityQueue_.size());
}
template <class First, class Second>
MessageBuilder& operator<<(const std::pair<First, Second>& pair_) {
m_logger->stream() << ELPP_LITERAL("(");
operator << (static_cast<First>(pair_.first));
m_logger->stream() << ELPP_LITERAL(", ");
operator << (static_cast<Second>(pair_.second));
m_logger->stream() << ELPP_LITERAL(")");
return *this;
}
template <std::size_t Size>
MessageBuilder& operator<<(const std::bitset<Size>& bitset_) {
m_logger->stream() << ELPP_LITERAL("[");
operator << (bitset_.to_string());
m_logger->stream() << ELPP_LITERAL("]");
return *this;
}
# if defined(ELPP_LOG_STD_ARRAY)
template <class T, std::size_t Size>
inline MessageBuilder& operator<<(const std::array<T, Size>& array) {
return writeIterator(array.begin(), array.end(), array.size());
}
# endif // defined(ELPP_LOG_STD_ARRAY)
# if defined(ELPP_LOG_UNORDERED_MAP)
ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_map)
ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_multimap)
# endif // defined(ELPP_LOG_UNORDERED_MAP)
# if defined(ELPP_LOG_UNORDERED_SET)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_set)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_multiset)
# endif // defined(ELPP_LOG_UNORDERED_SET)
#endif // defined(ELPP_STL_LOGGING)
#if defined(ELPP_QT_LOGGING)
inline MessageBuilder& operator<<(const QString& msg) {
# if defined(ELPP_UNICODE)
m_logger->stream() << msg.toStdWString();
# else
m_logger->stream() << msg.toStdString();
# endif // defined(ELPP_UNICODE)
return *this;
}
inline MessageBuilder& operator<<(const QByteArray& msg) {
return operator << (QString(msg));
}
inline MessageBuilder& operator<<(const QStringRef& msg) {
return operator<<(msg.toString());
}
inline MessageBuilder& operator<<(qint64 msg) {
# if defined(ELPP_UNICODE)
m_logger->stream() << QString::number(msg).toStdWString();
# else
m_logger->stream() << QString::number(msg).toStdString();
# endif // defined(ELPP_UNICODE)
return *this;
}
inline MessageBuilder& operator<<(quint64 msg) {
# if defined(ELPP_UNICODE)
m_logger->stream() << QString::number(msg).toStdWString();
# else
m_logger->stream() << QString::number(msg).toStdString();
# endif // defined(ELPP_UNICODE)
return *this;
}
inline MessageBuilder& operator<<(QChar msg) {
m_logger->stream() << msg.toLatin1();
return *this;
}
inline MessageBuilder& operator<<(const QLatin1String& msg) {
m_logger->stream() << msg.latin1();
return *this;
}
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QList)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QVector)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QQueue)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QSet)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QLinkedList)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QStack)
template <typename First, typename Second>
MessageBuilder& operator<<(const QPair<First, Second>& pair_) {
m_logger->stream() << ELPP_LITERAL("(");
operator << (static_cast<First>(pair_.first));
m_logger->stream() << ELPP_LITERAL(", ");
operator << (static_cast<Second>(pair_.second));
m_logger->stream() << ELPP_LITERAL(")");
return *this;
}
template <typename K, typename V>
MessageBuilder& operator<<(const QMap<K, V>& map_) {
m_logger->stream() << ELPP_LITERAL("[");
QList<K> keys = map_.keys();
typename QList<K>::const_iterator begin = keys.begin();
typename QList<K>::const_iterator end = keys.end();
int max_ = static_cast<int>(base::consts::kMaxLogPerContainer); // to prevent warning
for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) {
m_logger->stream() << ELPP_LITERAL("(");
operator << (static_cast<K>(*begin));
m_logger->stream() << ELPP_LITERAL(", ");
operator << (static_cast<V>(map_.value(*begin)));
m_logger->stream() << ELPP_LITERAL(")");
m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL(""));
}
if (begin != end) {
m_logger->stream() << ELPP_LITERAL("...");
}
m_logger->stream() << ELPP_LITERAL("]");
return *this;
}
template <typename K, typename V>
inline MessageBuilder& operator<<(const QMultiMap<K, V>& map_) {
operator << (static_cast<QMap<K, V>>(map_));
return *this;
}
template <typename K, typename V>
MessageBuilder& operator<<(const QHash<K, V>& hash_) {
m_logger->stream() << ELPP_LITERAL("[");
QList<K> keys = hash_.keys();
typename QList<K>::const_iterator begin = keys.begin();
typename QList<K>::const_iterator end = keys.end();
int max_ = static_cast<int>(base::consts::kMaxLogPerContainer); // prevent type warning
for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) {
m_logger->stream() << ELPP_LITERAL("(");
operator << (static_cast<K>(*begin));
m_logger->stream() << ELPP_LITERAL(", ");
operator << (static_cast<V>(hash_.value(*begin)));
m_logger->stream() << ELPP_LITERAL(")");
m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL(""));
}
if (begin != end) {
m_logger->stream() << ELPP_LITERAL("...");
}
m_logger->stream() << ELPP_LITERAL("]");
return *this;
}
template <typename K, typename V>
inline MessageBuilder& operator<<(const QMultiHash<K, V>& multiHash_) {
operator << (static_cast<QHash<K, V>>(multiHash_));
return *this;
}
#endif // defined(ELPP_QT_LOGGING)
#if defined(ELPP_BOOST_LOGGING)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::vector)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::stable_vector)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::list)
ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::deque)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::map)
ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::flat_map)
ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::set)
ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::flat_set)
#endif // defined(ELPP_BOOST_LOGGING)
/// @brief Macro used internally that can be used externally to make containers easylogging++ friendly
///
/// @detail This macro expands to write an ostream& operator<< for container. This container is expected to
/// have begin() and end() methods that return respective iterators
/// @param ContainerType Type of container e.g, MyList from WX_DECLARE_LIST(int, MyList); in wxwidgets
/// @param SizeMethod Method used to get size of container.
/// @param ElementInstance Instance of element to be fed out. Insance name is "elem". See WXELPP_ENABLED macro
/// for an example usage
#define MAKE_CONTAINERELPP_FRIENDLY(ContainerType, SizeMethod, ElementInstance) \
el::base::type::ostream_t& operator<<(el::base::type::ostream_t& ss, const ContainerType& container) {\
const el::base::type::char_t* sep = ELPP->hasFlag(el::LoggingFlag::NewLineForContainer) ? \
ELPP_LITERAL("\n ") : ELPP_LITERAL(", ");\
ContainerType::const_iterator elem = container.begin();\
ContainerType::const_iterator endElem = container.end();\
std::size_t size_ = container.SizeMethod; \
ss << ELPP_LITERAL("[");\
for (std::size_t i = 0; elem != endElem && i < el::base::consts::kMaxLogPerContainer; ++i, ++elem) { \
ss << ElementInstance;\
ss << ((i < size_ - 1) ? sep : ELPP_LITERAL(""));\
}\
if (elem != endElem) {\
ss << ELPP_LITERAL("...");\
}\
ss << ELPP_LITERAL("]");\
return ss;\
}
#if defined(ELPP_WXWIDGETS_LOGGING)
ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(wxVector)
# define ELPP_WX_PTR_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), *(*elem))
# define ELPP_WX_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), (*elem))
# define ELPP_WX_HASH_MAP_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), \
ELPP_LITERAL("(") << elem->first << ELPP_LITERAL(", ") << elem->second << ELPP_LITERAL(")")
#else
# define ELPP_WX_PTR_ENABLED(ContainerType)
# define ELPP_WX_ENABLED(ContainerType)
# define ELPP_WX_HASH_MAP_ENABLED(ContainerType)
#endif // defined(ELPP_WXWIDGETS_LOGGING)
// Other classes
template <class Class>
ELPP_SIMPLE_LOG(const Class&)
#undef ELPP_SIMPLE_LOG
#undef ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG
#undef ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG
#undef ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG
#undef ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG
#undef ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG
private:
Logger* m_logger;
const base::type::char_t* m_containerLogSeperator;
template<class Iterator>
MessageBuilder& writeIterator(Iterator begin_, Iterator end_, std::size_t size_) {
m_logger->stream() << ELPP_LITERAL("[");
for (std::size_t i = 0; begin_ != end_ && i < base::consts::kMaxLogPerContainer; ++i, ++begin_) {
operator << (*begin_);
m_logger->stream() << ((i < size_ - 1) ? m_containerLogSeperator : ELPP_LITERAL(""));
}
if (begin_ != end_) {
m_logger->stream() << ELPP_LITERAL("...");
}
m_logger->stream() << ELPP_LITERAL("]");
if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {
m_logger->stream() << " ";
}
return *this;
}
};
/// @brief Writes nothing - Used when certain log is disabled
class NullWriter : base::NoCopy {
public:
NullWriter(void) {}
// Null manipulator
inline NullWriter& operator<<(std::ostream& (*)(std::ostream&)) {
return *this;
}
template <typename T>
inline NullWriter& operator<<(const T&) {
return *this;
}
inline operator bool() {
return true;
}
};
/// @brief Main entry point of each logging
class Writer : base::NoCopy {
public:
Writer(Level level, Color color, const char* file, base::type::LineNumber line,
const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog,
base::type::VerboseLevel verboseLevel = 0) :
m_msg(nullptr), m_level(level), m_color(color), m_file(file), m_line(line), m_func(func), m_verboseLevel(verboseLevel),
m_logger(nullptr), m_proceed(false), m_dispatchAction(dispatchAction) {
}
Writer(LogMessage* msg, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog) :
m_msg(msg), m_level(msg != nullptr ? msg->level() : Level::Unknown),
m_line(0), m_logger(nullptr), m_proceed(false), m_dispatchAction(dispatchAction) {
}
virtual ~Writer(void) {
processDispatch();
}
template <typename T>
inline typename std::enable_if<std::is_integral<T>::value, Writer&>::type
operator<<(T log) {
#if ELPP_LOGGING_ENABLED
if (m_proceed) {
m_messageBuilder << log;
}
#endif // ELPP_LOGGING_ENABLED
return *this;
}
template <typename T>
inline typename std::enable_if<!std::is_integral<T>::value, Writer&>::type
operator<<(const T& log) {
#if ELPP_LOGGING_ENABLED
if (m_proceed) {
m_messageBuilder << log;
}
#endif // ELPP_LOGGING_ENABLED
return *this;
}
inline Writer& operator<<(std::ostream& (*log)(std::ostream&)) {
#if ELPP_LOGGING_ENABLED
if (m_proceed) {
m_messageBuilder << log;
}
#endif // ELPP_LOGGING_ENABLED
return *this;
}
inline operator bool() {
return true;
}
Writer& construct(Logger* logger, bool needLock = true);
Writer& construct(int count, const char* loggerIds, ...);
Writer& construct(const char *loggerId);
protected:
LogMessage* m_msg;
Level m_level;
Color m_color;
const char* m_file;
const base::type::LineNumber m_line;
const char* m_func;
base::type::VerboseLevel m_verboseLevel;
Logger* m_logger;
bool m_proceed;
base::MessageBuilder m_messageBuilder;
base::DispatchAction m_dispatchAction;
std::vector<std::string> m_loggerIds;
friend class el::Helpers;
void initializeLogger(const std::string& loggerId, bool lookup = true, bool needLock = true);
void initializeLogger(Logger *logger, bool needLock = true);
void processDispatch();
void triggerDispatch(void);
};
class PErrorWriter : public base::Writer {
public:
PErrorWriter(Level level, Color color, const char* file, base::type::LineNumber line,
const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog,
base::type::VerboseLevel verboseLevel = 0) :
base::Writer(level, color, file, line, func, dispatchAction, verboseLevel) {
}
virtual ~PErrorWriter(void);
};
} // namespace base
// Logging from Logger class. Why this is here? Because we have Storage and Writer class available
#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
template <typename T, typename... Args>
void Logger::log_(Level level, int vlevel, const char* s, const T& value, const Args&... args) {
base::MessageBuilder b;
b.initialize(this);
while (*s) {
if (*s == base::consts::kFormatSpecifierChar) {
if (*(s + 1) == base::consts::kFormatSpecifierChar) {
++s;
} else {
if (*(s + 1) == base::consts::kFormatSpecifierCharValue) {
++s;
b << value;
log_(level, vlevel, ++s, args...);
return;
}
}
}
b << *s++;
}
ELPP_INTERNAL_ERROR("Too many arguments provided. Unable to handle. Please provide more format specifiers", false);
}
template <typename T>
void Logger::log_(Level level, int vlevel, const T& log) {
if (level == Level::Verbose) {
if (ELPP->vRegistry()->allowed(vlevel, __FILE__)) {
base::Writer(Level::Verbose, Color::Default, "FILE", 0, "FUNCTION",
base::DispatchAction::NormalLog, vlevel).construct(this, false) << log;
} else {
stream().str(ELPP_LITERAL(""));
releaseLock();
}
} else {
base::Writer(level, Color::Default, "FILE", 0, "FUNCTION").construct(this, false) << log;
}
}
template <typename T, typename... Args>
inline void Logger::log(Level level, const char* s, const T& value, const Args&... args) {
acquireLock(); // released in Writer!
log_(level, 0, s, value, args...);
}
template <typename T>
inline void Logger::log(Level level, const T& log) {
acquireLock(); // released in Writer!
log_(level, 0, log);
}
# if ELPP_VERBOSE_LOG
template <typename T, typename... Args>
inline void Logger::verbose(int vlevel, const char* s, const T& value, const Args&... args) {
acquireLock(); // released in Writer!
log_(el::Level::Verbose, vlevel, s, value, args...);
}
template <typename T>
inline void Logger::verbose(int vlevel, const T& log) {
acquireLock(); // released in Writer!
log_(el::Level::Verbose, vlevel, log);
}
# else
template <typename T, typename... Args>
inline void Logger::verbose(int, const char*, const T&, const Args&...) {
return;
}
template <typename T>
inline void Logger::verbose(int, const T&) {
return;
}
# endif // ELPP_VERBOSE_LOG
# define LOGGER_LEVEL_WRITERS(FUNCTION_NAME, LOG_LEVEL)\
template <typename T, typename... Args>\
inline void Logger::FUNCTION_NAME(const char* s, const T& value, const Args&... args) {\
log(LOG_LEVEL, s, value, args...);\
}\
template <typename T>\
inline void Logger::FUNCTION_NAME(const T& value) {\
log(LOG_LEVEL, value);\
}
# define LOGGER_LEVEL_WRITERS_DISABLED(FUNCTION_NAME, LOG_LEVEL)\
template <typename T, typename... Args>\
inline void Logger::FUNCTION_NAME(const char*, const T&, const Args&...) {\
return;\
}\
template <typename T>\
inline void Logger::FUNCTION_NAME(const T&) {\
return;\
}
# if ELPP_INFO_LOG
LOGGER_LEVEL_WRITERS(info, Level::Info)
# else
LOGGER_LEVEL_WRITERS_DISABLED(info, Level::Info)
# endif // ELPP_INFO_LOG
# if ELPP_DEBUG_LOG
LOGGER_LEVEL_WRITERS(debug, Level::Debug)
# else
LOGGER_LEVEL_WRITERS_DISABLED(debug, Level::Debug)
# endif // ELPP_DEBUG_LOG
# if ELPP_WARNING_LOG
LOGGER_LEVEL_WRITERS(warn, Level::Warning)
# else
LOGGER_LEVEL_WRITERS_DISABLED(warn, Level::Warning)
# endif // ELPP_WARNING_LOG
# if ELPP_ERROR_LOG
LOGGER_LEVEL_WRITERS(error, Level::Error)
# else
LOGGER_LEVEL_WRITERS_DISABLED(error, Level::Error)
# endif // ELPP_ERROR_LOG
# if ELPP_FATAL_LOG
LOGGER_LEVEL_WRITERS(fatal, Level::Fatal)
# else
LOGGER_LEVEL_WRITERS_DISABLED(fatal, Level::Fatal)
# endif // ELPP_FATAL_LOG
# if ELPP_TRACE_LOG
LOGGER_LEVEL_WRITERS(trace, Level::Trace)
# else
LOGGER_LEVEL_WRITERS_DISABLED(trace, Level::Trace)
# endif // ELPP_TRACE_LOG
# undef LOGGER_LEVEL_WRITERS
# undef LOGGER_LEVEL_WRITERS_DISABLED
#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
#if ELPP_COMPILER_MSVC
# define ELPP_VARIADIC_FUNC_MSVC(variadicFunction, variadicArgs) variadicFunction variadicArgs
# define ELPP_VARIADIC_FUNC_MSVC_RUN(variadicFunction, ...) ELPP_VARIADIC_FUNC_MSVC(variadicFunction, (__VA_ARGS__))
# define el_getVALength(...) ELPP_VARIADIC_FUNC_MSVC_RUN(el_resolveVALength, 0, ## __VA_ARGS__,\
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
#else
# if ELPP_COMPILER_CLANG
# define el_getVALength(...) el_resolveVALength(0, __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
# else
# define el_getVALength(...) el_resolveVALength(0, ## __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
# endif // ELPP_COMPILER_CLANG
#endif // ELPP_COMPILER_MSVC
#define el_resolveVALength(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
#define ELPP_WRITE_LOG(writer, level, dispatchAction, ...) \
writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#define ELPP_WRITE_LOG_IF(writer, condition, level, dispatchAction, ...) if (condition) \
writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#define ELPP_WRITE_LOG_EVERY_N(writer, occasion, level, dispatchAction, ...) \
ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion) && \
writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#define ELPP_WRITE_LOG_AFTER_N(writer, n, level, dispatchAction, ...) \
ELPP->validateAfterNCounter(__FILE__, __LINE__, n) && \
writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#define ELPP_WRITE_LOG_N_TIMES(writer, n, level, dispatchAction, ...) \
ELPP->validateNTimesCounter(__FILE__, __LINE__, n) && \
writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
class PerformanceTrackingData {
public:
enum class DataType : base::type::EnumType {
Checkpoint = 1, Complete = 2
};
// Do not use constructor, will run into multiple definition error, use init(PerformanceTracker*)
explicit PerformanceTrackingData(DataType dataType) : m_performanceTracker(nullptr),
m_dataType(dataType), m_firstCheckpoint(false), m_file(""), m_line(0), m_func("") {}
inline const std::string* blockName(void) const;
inline const struct timeval* startTime(void) const;
inline const struct timeval* endTime(void) const;
inline const struct timeval* lastCheckpointTime(void) const;
inline const base::PerformanceTracker* performanceTracker(void) const {
return m_performanceTracker;
}
inline PerformanceTrackingData::DataType dataType(void) const {
return m_dataType;
}
inline bool firstCheckpoint(void) const {
return m_firstCheckpoint;
}
inline std::string checkpointId(void) const {
return m_checkpointId;
}
inline const char* file(void) const {
return m_file;
}
inline base::type::LineNumber line(void) const {
return m_line;
}
inline const char* func(void) const {
return m_func;
}
inline const base::type::string_t* formattedTimeTaken() const {
return &m_formattedTimeTaken;
}
inline const std::string& loggerId(void) const;
private:
base::PerformanceTracker* m_performanceTracker;
base::type::string_t m_formattedTimeTaken;
PerformanceTrackingData::DataType m_dataType;
bool m_firstCheckpoint;
std::string m_checkpointId;
const char* m_file;
base::type::LineNumber m_line;
const char* m_func;
inline void init(base::PerformanceTracker* performanceTracker, bool firstCheckpoint = false) {
m_performanceTracker = performanceTracker;
m_firstCheckpoint = firstCheckpoint;
}
friend class el::base::PerformanceTracker;
};
namespace base {
/// @brief Represents performanceTracker block of code that conditionally adds performance status to log
/// either when goes outside the scope of when checkpoint() is called
class PerformanceTracker : public base::threading::ThreadSafe, public Loggable {
public:
PerformanceTracker(const std::string& blockName,
base::TimestampUnit timestampUnit = base::TimestampUnit::Millisecond,
const std::string& loggerId = std::string(el::base::consts::kPerformanceLoggerId),
bool scopedLog = true, Level level = base::consts::kPerformanceTrackerDefaultLevel);
/// @brief Copy constructor
PerformanceTracker(const PerformanceTracker& t) :
m_blockName(t.m_blockName), m_timestampUnit(t.m_timestampUnit), m_loggerId(t.m_loggerId), m_scopedLog(t.m_scopedLog),
m_level(t.m_level), m_hasChecked(t.m_hasChecked), m_lastCheckpointId(t.m_lastCheckpointId), m_enabled(t.m_enabled),
m_startTime(t.m_startTime), m_endTime(t.m_endTime), m_lastCheckpointTime(t.m_lastCheckpointTime) {
}
virtual ~PerformanceTracker(void);
/// @brief A checkpoint for current performanceTracker block.
void checkpoint(const std::string& id = std::string(), const char* file = __FILE__,
base::type::LineNumber line = __LINE__,
const char* func = "");
inline Level level(void) const {
return m_level;
}
private:
std::string m_blockName;
base::TimestampUnit m_timestampUnit;
std::string m_loggerId;
bool m_scopedLog;
Level m_level;
bool m_hasChecked;
std::string m_lastCheckpointId;
bool m_enabled;
struct timeval m_startTime, m_endTime, m_lastCheckpointTime;
PerformanceTracker(void);
friend class el::PerformanceTrackingData;
friend class base::DefaultPerformanceTrackingCallback;
const inline base::type::string_t getFormattedTimeTaken() const {
return getFormattedTimeTaken(m_startTime);
}
const base::type::string_t getFormattedTimeTaken(struct timeval startTime) const;
virtual inline void log(el::base::type::ostream_t& os) const {
os << getFormattedTimeTaken();
}
};
class DefaultPerformanceTrackingCallback : public PerformanceTrackingCallback {
protected:
void handle(const PerformanceTrackingData* data) {
m_data = data;
base::type::stringstream_t ss;
if (m_data->dataType() == PerformanceTrackingData::DataType::Complete) {
ss << ELPP_LITERAL("Executed [") << m_data->blockName()->c_str() << ELPP_LITERAL("] in [") <<
*m_data->formattedTimeTaken() << ELPP_LITERAL("]");
} else {
ss << ELPP_LITERAL("Performance checkpoint");
if (!m_data->checkpointId().empty()) {
ss << ELPP_LITERAL(" [") << m_data->checkpointId().c_str() << ELPP_LITERAL("]");
}
ss << ELPP_LITERAL(" for block [") << m_data->blockName()->c_str() << ELPP_LITERAL("] : [") <<
*m_data->performanceTracker();
if (!ELPP->hasFlag(LoggingFlag::DisablePerformanceTrackingCheckpointComparison)
&& m_data->performanceTracker()->m_hasChecked) {
ss << ELPP_LITERAL(" ([") << *m_data->formattedTimeTaken() << ELPP_LITERAL("] from ");
if (m_data->performanceTracker()->m_lastCheckpointId.empty()) {
ss << ELPP_LITERAL("last checkpoint");
} else {
ss << ELPP_LITERAL("checkpoint '") << m_data->performanceTracker()->m_lastCheckpointId.c_str() << ELPP_LITERAL("'");
}
ss << ELPP_LITERAL(")]");
} else {
ss << ELPP_LITERAL("]");
}
}
el::base::Writer(m_data->performanceTracker()->level(), m_data->file(), m_data->line(), m_data->func()).construct(1,
m_data->loggerId().c_str()) << ss.str();
}
private:
const PerformanceTrackingData* m_data;
};
} // namespace base
inline const std::string* PerformanceTrackingData::blockName() const {
return const_cast<const std::string*>(&m_performanceTracker->m_blockName);
}
inline const struct timeval* PerformanceTrackingData::startTime() const {
return const_cast<const struct timeval*>(&m_performanceTracker->m_startTime);
}
inline const struct timeval* PerformanceTrackingData::endTime() const {
return const_cast<const struct timeval*>(&m_performanceTracker->m_endTime);
}
inline const struct timeval* PerformanceTrackingData::lastCheckpointTime() const {
return const_cast<const struct timeval*>(&m_performanceTracker->m_lastCheckpointTime);
}
inline const std::string& PerformanceTrackingData::loggerId(void) const {
return m_performanceTracker->m_loggerId;
}
#endif // defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
namespace base {
/// @brief Contains some internal debugging tools like crash handler and stack tracer
namespace debug {
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_CRASH_LOG)
class StackTrace : base::NoCopy {
public:
static const unsigned int kMaxStack = 64;
static const unsigned int kStackStart = 2; // We want to skip c'tor and StackTrace::generateNew()
class StackTraceEntry {
public:
StackTraceEntry(std::size_t index, const std::string& loc, const std::string& demang, const std::string& hex,
const std::string& addr);
StackTraceEntry(std::size_t index, const std::string& loc) :
m_index(index),
m_location(loc) {
}
std::size_t m_index;
std::string m_location;
std::string m_demangled;
std::string m_hex;
std::string m_addr;
friend std::ostream& operator<<(std::ostream& ss, const StackTraceEntry& si);
private:
StackTraceEntry(void);
};
StackTrace(void) {
generateNew();
}
virtual ~StackTrace(void) {
}
inline std::vector<StackTraceEntry>& getLatestStack(void) {
return m_stack;
}
friend std::ostream& operator<<(std::ostream& os, const StackTrace& st);
private:
std::vector<StackTraceEntry> m_stack;
void generateNew(void);
};
/// @brief Handles unexpected crashes
class CrashHandler : base::NoCopy {
public:
typedef void (*Handler)(int);
explicit CrashHandler(bool useDefault);
explicit CrashHandler(const Handler& cHandler) {
setHandler(cHandler);
}
void setHandler(const Handler& cHandler);
private:
Handler m_handler;
};
#else
class CrashHandler {
public:
explicit CrashHandler(bool) {}
};
#endif // defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_CRASH_LOG)
} // namespace debug
} // namespace base
extern base::debug::CrashHandler elCrashHandler;
#define MAKE_LOGGABLE(ClassType, ClassInstance, OutputStreamInstance) \
el::base::type::ostream_t& operator<<(el::base::type::ostream_t& OutputStreamInstance, const ClassType& ClassInstance)
/// @brief Initializes syslog with process ID, options and facility. calls closelog() on d'tor
class SysLogInitializer {
public:
SysLogInitializer(const char* processIdent, int options = 0, int facility = 0) {
#if defined(ELPP_SYSLOG)
openlog(processIdent, options, facility);
#else
ELPP_UNUSED(processIdent);
ELPP_UNUSED(options);
ELPP_UNUSED(facility);
#endif // defined(ELPP_SYSLOG)
}
virtual ~SysLogInitializer(void) {
#if defined(ELPP_SYSLOG)
closelog();
#endif // defined(ELPP_SYSLOG)
}
};
#define ELPP_INITIALIZE_SYSLOG(id, opt, fac) el::SysLogInitializer elSyslogInit(id, opt, fac)
/// @brief Static helpers for developers
class Helpers : base::StaticClass {
public:
/// @brief Shares logging repository (base::Storage)
static inline void setStorage(base::type::StoragePointer storage) {
ELPP = storage;
}
/// @return Main storage repository
static inline base::type::StoragePointer storage() {
return ELPP;
}
/// @brief Sets application arguments and figures out whats active for logging and whats not.
static inline void setArgs(int argc, char** argv) {
ELPP->setApplicationArguments(argc, argv);
}
/// @copydoc setArgs(int argc, char** argv)
static inline void setArgs(int argc, const char** argv) {
ELPP->setApplicationArguments(argc, const_cast<char**>(argv));
}
/// @brief Sets thread name for current thread. Requires std::thread
static inline void setThreadName(const std::string& name) {
ELPP->setThreadName(name);
}
static inline std::string getThreadName() {
return ELPP->getThreadName(base::threading::getCurrentThreadId());
}
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_CRASH_LOG)
/// @brief Overrides default crash handler and installs custom handler.
/// @param crashHandler A functor with no return type that takes single int argument.
/// Handler is a typedef with specification: void (*Handler)(int)
static inline void setCrashHandler(const el::base::debug::CrashHandler::Handler& crashHandler) {
el::elCrashHandler.setHandler(crashHandler);
}
/// @brief Abort due to crash with signal in parameter
/// @param sig Crash signal
static void crashAbort(int sig, const char* sourceFile = "", unsigned int long line = 0);
/// @brief Logs reason of crash as per sig
/// @param sig Crash signal
/// @param stackTraceIfAvailable Includes stack trace if available
/// @param level Logging level
/// @param logger Logger to use for logging
static void logCrashReason(int sig, bool stackTraceIfAvailable = false,
Level level = Level::Fatal, const char* logger = base::consts::kDefaultLoggerId);
#endif // defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_CRASH_LOG)
/// @brief Installs pre rollout callback, this callback is triggered when log file is about to be rolled out
/// (can be useful for backing up)
static inline void installPreRollOutCallback(const PreRollOutCallback& callback) {
ELPP->setPreRollOutCallback(callback);
}
/// @brief Uninstalls pre rollout callback
static inline void uninstallPreRollOutCallback(void) {
ELPP->unsetPreRollOutCallback();
}
/// @brief Installs post log dispatch callback, this callback is triggered when log is dispatched
template <typename T>
static inline bool installLogDispatchCallback(const std::string& id) {
return ELPP->installLogDispatchCallback<T>(id);
}
/// @brief Uninstalls log dispatch callback
template <typename T>
static inline void uninstallLogDispatchCallback(const std::string& id) {
ELPP->uninstallLogDispatchCallback<T>(id);
}
template <typename T>
static inline T* logDispatchCallback(const std::string& id) {
return ELPP->logDispatchCallback<T>(id);
}
#if defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
/// @brief Installs post performance tracking callback, this callback is triggered when performance tracking is finished
template <typename T>
static inline bool installPerformanceTrackingCallback(const std::string& id) {
return ELPP->installPerformanceTrackingCallback<T>(id);
}
/// @brief Uninstalls post performance tracking handler
template <typename T>
static inline void uninstallPerformanceTrackingCallback(const std::string& id) {
ELPP->uninstallPerformanceTrackingCallback<T>(id);
}
template <typename T>
static inline T* performanceTrackingCallback(const std::string& id) {
return ELPP->performanceTrackingCallback<T>(id);
}
#endif // defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_PERFORMANCE_TRACKING)
/// @brief Converts template to std::string - useful for loggable classes to log containers within log(std::ostream&) const
template <typename T>
static std::string convertTemplateToStdString(const T& templ) {
el::Logger* logger =
ELPP->registeredLoggers()->get(el::base::consts::kDefaultLoggerId);
if (logger == nullptr) {
return std::string();
}
base::MessageBuilder b;
b.initialize(logger);
logger->acquireLock();
b << templ;
#if defined(ELPP_UNICODE)
std::string s = std::string(logger->stream().str().begin(), logger->stream().str().end());
#else
std::string s = logger->stream().str();
#endif // defined(ELPP_UNICODE)
logger->stream().str(ELPP_LITERAL(""));
logger->releaseLock();
return s;
}
/// @brief Returns command line arguments (pointer) provided to easylogging++
static inline const el::base::utils::CommandLineArgs* commandLineArgs(void) {
return ELPP->commandLineArgs();
}
/// @brief Reserve space for custom format specifiers for performance
/// @see std::vector::reserve
static inline void reserveCustomFormatSpecifiers(std::size_t size) {
ELPP->m_customFormatSpecifiers.reserve(size);
}
/// @brief Installs user defined format specifier and handler
static inline void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier) {
ELPP->installCustomFormatSpecifier(customFormatSpecifier);
}
/// @brief Uninstalls user defined format specifier and handler
static inline bool uninstallCustomFormatSpecifier(const char* formatSpecifier) {
return ELPP->uninstallCustomFormatSpecifier(formatSpecifier);
}
/// @brief Returns true if custom format specifier is installed
static inline bool hasCustomFormatSpecifier(const char* formatSpecifier) {
return ELPP->hasCustomFormatSpecifier(formatSpecifier);
}
static inline void validateFileRolling(Logger* logger, Level level) {
if (ELPP == nullptr || logger == nullptr) return;
logger->m_typedConfigurations->validateFileRolling(level, ELPP->preRollOutCallback());
}
};
/// @brief Static helpers to deal with loggers and their configurations
class Loggers : base::StaticClass {
public:
/// @brief Gets existing or registers new logger
static Logger* getLogger(const std::string& identity, bool registerIfNotAvailable = true);
/// @brief Changes default log builder for future loggers
static void setDefaultLogBuilder(el::LogBuilderPtr& logBuilderPtr);
/// @brief Installs logger registration callback, this callback is triggered when new logger is registered
template <typename T>
static inline bool installLoggerRegistrationCallback(const std::string& id) {
return ELPP->registeredLoggers()->installLoggerRegistrationCallback<T>(id);
}
/// @brief Uninstalls log dispatch callback
template <typename T>
static inline void uninstallLoggerRegistrationCallback(const std::string& id) {
ELPP->registeredLoggers()->uninstallLoggerRegistrationCallback<T>(id);
}
template <typename T>
static inline T* loggerRegistrationCallback(const std::string& id) {
return ELPP->registeredLoggers()->loggerRegistrationCallback<T>(id);
}
/// @brief Unregisters logger - use it only when you know what you are doing, you may unregister
/// loggers initialized / used by third-party libs.
static bool unregisterLogger(const std::string& identity);
/// @brief Whether or not logger with id is registered
static bool hasLogger(const std::string& identity);
/// @brief Reconfigures specified logger with new configurations
static Logger* reconfigureLogger(Logger* logger, const Configurations& configurations);
/// @brief Reconfigures logger with new configurations after looking it up using identity
static Logger* reconfigureLogger(const std::string& identity, const Configurations& configurations);
/// @brief Reconfigures logger's single configuration
static Logger* reconfigureLogger(const std::string& identity, ConfigurationType configurationType,
const std::string& value);
/// @brief Reconfigures all the existing loggers with new configurations
static void reconfigureAllLoggers(const Configurations& configurations);
/// @brief Reconfigures single configuration for all the loggers
static inline void reconfigureAllLoggers(ConfigurationType configurationType, const std::string& value) {
reconfigureAllLoggers(Level::Global, configurationType, value);
}
/// @brief Reconfigures single configuration for all the loggers for specified level
static void reconfigureAllLoggers(Level level, ConfigurationType configurationType,
const std::string& value);
/// @brief Sets default configurations. This configuration is used for future (and conditionally for existing) loggers
static void setDefaultConfigurations(const Configurations& configurations,
bool reconfigureExistingLoggers = false);
/// @brief Returns current default
static const Configurations* defaultConfigurations(void);
/// @brief Returns log stream reference pointer if needed by user
static const base::LogStreamsReferenceMap* logStreamsReference(void);
/// @brief Default typed configuration based on existing defaultConf
static base::TypedConfigurations defaultTypedConfigurations(void);
/// @brief Populates all logger IDs in current repository.
/// @param [out] targetList List of fill up.
static std::vector<std::string>* populateAllLoggerIds(std::vector<std::string>* targetList);
/// @brief Sets configurations from global configuration file.
static void configureFromGlobal(const char* globalConfigurationFilePath);
/// @brief Configures loggers using command line arg. Ensure you have already set command line args,
/// @return False if invalid argument or argument with no value provided, true if attempted to configure logger.
/// If true is returned that does not mean it has been configured successfully, it only means that it
/// has attempeted to configure logger using configuration file provided in argument
static bool configureFromArg(const char* argKey);
/// @brief Flushes all loggers for all levels - Be careful if you dont know how many loggers are registered
static void flushAll(void);
/// @brief Adds logging flag used internally.
static inline void addFlag(LoggingFlag flag) {
ELPP->addFlag(flag);
}
/// @brief Removes logging flag used internally.
static inline void removeFlag(LoggingFlag flag) {
ELPP->removeFlag(flag);
}
/// @brief Determines whether or not certain flag is active
static inline bool hasFlag(LoggingFlag flag) {
return ELPP->hasFlag(flag);
}
/// @brief Adds flag and removes it when scope goes out
class ScopedAddFlag {
public:
ScopedAddFlag(LoggingFlag flag) : m_flag(flag) {
Loggers::addFlag(m_flag);
}
~ScopedAddFlag(void) {
Loggers::removeFlag(m_flag);
}
private:
LoggingFlag m_flag;
};
/// @brief Removes flag and add it when scope goes out
class ScopedRemoveFlag {
public:
ScopedRemoveFlag(LoggingFlag flag) : m_flag(flag) {
Loggers::removeFlag(m_flag);
}
~ScopedRemoveFlag(void) {
Loggers::addFlag(m_flag);
}
private:
LoggingFlag m_flag;
};
/// @brief Sets hierarchy for logging. Needs to enable logging flag (HierarchicalLogging)
static void setLoggingLevel(Level level) {
ELPP->setLoggingLevel(level);
}
/// @brief Sets verbose level on the fly
static void setVerboseLevel(base::type::VerboseLevel level);
/// @brief Gets current verbose level
static base::type::VerboseLevel verboseLevel(void);
/// @brief Sets vmodules as specified (on the fly)
static void setVModules(const char* modules);
/// @brief Sets categories as specified (on the fly)
static void setCategories(const char* categories, bool clear = true);
/// @brief Gets current categories
static std::string getCategories();
/// @brief Clears vmodules
static void clearVModules(void);
/// @brief Clears categories
static void clearCategories(void);
/// @brief Sets filename common prefix
static void setFilenameCommonPrefix(const std::string &prefix);
/// @brief Gets filename common prefix
static const std::string &getFilenameCommonPrefix();
};
class VersionInfo : base::StaticClass {
public:
/// @brief Current version number
static const std::string version(void);
/// @brief Release date of current version
static const std::string releaseDate(void);
};
} // namespace el
#undef VLOG_IS_ON
/// @brief Determines whether verbose logging is on for specified level current file.
#define VLOG_IS_ON(verboseLevel) (ELPP->vRegistry()->allowed(verboseLevel, __FILE__))
#undef TIMED_BLOCK
#undef TIMED_SCOPE
#undef TIMED_SCOPE_IF
#undef TIMED_FUNC
#undef TIMED_FUNC_IF
#undef ELPP_MIN_UNIT
#if defined(ELPP_PERFORMANCE_MICROSECONDS)
# define ELPP_MIN_UNIT el::base::TimestampUnit::Microsecond
#else
# define ELPP_MIN_UNIT el::base::TimestampUnit::Millisecond
#endif // (defined(ELPP_PERFORMANCE_MICROSECONDS))
/// @brief Performance tracked scope. Performance gets written when goes out of scope using
/// 'performance' logger.
///
/// @detail Please note in order to check the performance at a certain time you can use obj->checkpoint();
/// @see el::base::PerformanceTracker
/// @see el::base::PerformanceTracker::checkpoint
// Note: Do not surround this definition with null macro because of obj instance
#define TIMED_SCOPE_IF(obj, blockname, condition) el::base::type::PerformanceTrackerPtr obj( condition ? \
new el::base::PerformanceTracker(blockname, ELPP_MIN_UNIT) : nullptr )
#define TIMED_SCOPE(obj, blockname) TIMED_SCOPE_IF(obj, blockname, true)
#define TIMED_BLOCK(obj, blockName) for (struct { int i; el::base::type::PerformanceTrackerPtr timer; } obj = { 0, \
el::base::type::PerformanceTrackerPtr(new el::base::PerformanceTracker(blockName, ELPP_MIN_UNIT)) }; obj.i < 1; ++obj.i)
/// @brief Performance tracked function. Performance gets written when goes out of scope using
/// 'performance' logger.
///
/// @detail Please note in order to check the performance at a certain time you can use obj->checkpoint();
/// @see el::base::PerformanceTracker
/// @see el::base::PerformanceTracker::checkpoint
#define TIMED_FUNC_IF(obj,condition) TIMED_SCOPE_IF(obj, ELPP_FUNC, condition)
#define TIMED_FUNC(obj) TIMED_SCOPE(obj, ELPP_FUNC)
#undef PERFORMANCE_CHECKPOINT
#undef PERFORMANCE_CHECKPOINT_WITH_ID
#define PERFORMANCE_CHECKPOINT(obj) obj->checkpoint(std::string(), __FILE__, __LINE__, ELPP_FUNC)
#define PERFORMANCE_CHECKPOINT_WITH_ID(obj, id) obj->checkpoint(id, __FILE__, __LINE__, ELPP_FUNC)
#undef ELPP_COUNTER
#undef ELPP_COUNTER_POS
/// @brief Gets hit counter for file/line
#define ELPP_COUNTER (ELPP->hitCounters()->getCounter(__FILE__, __LINE__))
/// @brief Gets hit counter position for file/line, -1 if not registered yet
#define ELPP_COUNTER_POS (ELPP_COUNTER == nullptr ? -1 : ELPP_COUNTER->hitCounts())
// Undef levels to support LOG(LEVEL)
#undef INFO
#undef WARNING
#undef DEBUG
#undef ERROR
#undef FATAL
#undef TRACE
#undef VERBOSE
// Undef existing
#undef CINFO
#undef CWARNING
#undef CDEBUG
#undef CFATAL
#undef CERROR
#undef CTRACE
#undef CVERBOSE
#undef CINFO_IF
#undef CWARNING_IF
#undef CDEBUG_IF
#undef CERROR_IF
#undef CFATAL_IF
#undef CTRACE_IF
#undef CVERBOSE_IF
#undef CINFO_EVERY_N
#undef CWARNING_EVERY_N
#undef CDEBUG_EVERY_N
#undef CERROR_EVERY_N
#undef CFATAL_EVERY_N
#undef CTRACE_EVERY_N
#undef CVERBOSE_EVERY_N
#undef CINFO_AFTER_N
#undef CWARNING_AFTER_N
#undef CDEBUG_AFTER_N
#undef CERROR_AFTER_N
#undef CFATAL_AFTER_N
#undef CTRACE_AFTER_N
#undef CVERBOSE_AFTER_N
#undef CINFO_N_TIMES
#undef CWARNING_N_TIMES
#undef CDEBUG_N_TIMES
#undef CERROR_N_TIMES
#undef CFATAL_N_TIMES
#undef CTRACE_N_TIMES
#undef CVERBOSE_N_TIMES
// Normal logs
#if ELPP_INFO_LOG
# define CINFO(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Info, dispatchAction, __VA_ARGS__)
#else
# define CINFO(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_INFO_LOG
#if ELPP_WARNING_LOG
# define CWARNING(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Warning, dispatchAction, __VA_ARGS__)
#else
# define CWARNING(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_WARNING_LOG
#if ELPP_DEBUG_LOG
# define CDEBUG(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Debug, dispatchAction, __VA_ARGS__)
#else
# define CDEBUG(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_DEBUG_LOG
#if ELPP_ERROR_LOG
# define CERROR(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Error, dispatchAction, __VA_ARGS__)
#else
# define CERROR(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_ERROR_LOG
#if ELPP_FATAL_LOG
# define CFATAL(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Fatal, dispatchAction, __VA_ARGS__)
#else
# define CFATAL(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_FATAL_LOG
#if ELPP_TRACE_LOG
# define CTRACE(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Trace, dispatchAction, __VA_ARGS__)
#else
# define CTRACE(writer, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_TRACE_LOG
#if ELPP_VERBOSE_LOG
# define CVERBOSE(writer, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel)) writer(\
el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#else
# define CVERBOSE(writer, vlevel, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_VERBOSE_LOG
// Conditional logs
#if ELPP_INFO_LOG
# define CINFO_IF(writer, condition_, dispatchAction, ...) \
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Info, dispatchAction, __VA_ARGS__)
#else
# define CINFO_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_INFO_LOG
#if ELPP_WARNING_LOG
# define CWARNING_IF(writer, condition_, dispatchAction, ...)\
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Warning, dispatchAction, __VA_ARGS__)
#else
# define CWARNING_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_WARNING_LOG
#if ELPP_DEBUG_LOG
# define CDEBUG_IF(writer, condition_, dispatchAction, ...)\
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Debug, dispatchAction, __VA_ARGS__)
#else
# define CDEBUG_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_DEBUG_LOG
#if ELPP_ERROR_LOG
# define CERROR_IF(writer, condition_, dispatchAction, ...)\
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Error, dispatchAction, __VA_ARGS__)
#else
# define CERROR_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_ERROR_LOG
#if ELPP_FATAL_LOG
# define CFATAL_IF(writer, condition_, dispatchAction, ...)\
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Fatal, dispatchAction, __VA_ARGS__)
#else
# define CFATAL_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_FATAL_LOG
#if ELPP_TRACE_LOG
# define CTRACE_IF(writer, condition_, dispatchAction, ...)\
ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Trace, dispatchAction, __VA_ARGS__)
#else
# define CTRACE_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_TRACE_LOG
#if ELPP_VERBOSE_LOG
# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel) && (condition_)) writer( \
el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
#else
# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_VERBOSE_LOG
// Occasional logs
#if ELPP_INFO_LOG
# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Info, dispatchAction, __VA_ARGS__)
#else
# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_INFO_LOG
#if ELPP_WARNING_LOG
# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Warning, dispatchAction, __VA_ARGS__)
#else
# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_WARNING_LOG
#if ELPP_DEBUG_LOG
# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Debug, dispatchAction, __VA_ARGS__)
#else
# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_DEBUG_LOG
#if ELPP_ERROR_LOG
# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Error, dispatchAction, __VA_ARGS__)
#else
# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_ERROR_LOG
#if ELPP_FATAL_LOG
# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Fatal, dispatchAction, __VA_ARGS__)
#else
# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_FATAL_LOG
#if ELPP_TRACE_LOG
# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...)\
ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Trace, dispatchAction, __VA_ARGS__)
#else
# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_TRACE_LOG
#if ELPP_VERBOSE_LOG
# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...)\
CVERBOSE_IF(writer, ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion), vlevel, dispatchAction, __VA_ARGS__)
#else
# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_VERBOSE_LOG
// After N logs
#if ELPP_INFO_LOG
# define CINFO_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__)
#else
# define CINFO_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_INFO_LOG
#if ELPP_WARNING_LOG
# define CWARNING_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__)
#else
# define CWARNING_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_WARNING_LOG
#if ELPP_DEBUG_LOG
# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__)
#else
# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_DEBUG_LOG
#if ELPP_ERROR_LOG
# define CERROR_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__)
#else
# define CERROR_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_ERROR_LOG
#if ELPP_FATAL_LOG
# define CFATAL_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__)
#else
# define CFATAL_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_FATAL_LOG
#if ELPP_TRACE_LOG
# define CTRACE_AFTER_N(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__)
#else
# define CTRACE_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_TRACE_LOG
#if ELPP_VERBOSE_LOG
# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...)\
CVERBOSE_IF(writer, ELPP->validateAfterNCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__)
#else
# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_VERBOSE_LOG
// N Times logs
#if ELPP_INFO_LOG
# define CINFO_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__)
#else
# define CINFO_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_INFO_LOG
#if ELPP_WARNING_LOG
# define CWARNING_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__)
#else
# define CWARNING_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_WARNING_LOG
#if ELPP_DEBUG_LOG
# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__)
#else
# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_DEBUG_LOG
#if ELPP_ERROR_LOG
# define CERROR_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__)
#else
# define CERROR_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_ERROR_LOG
#if ELPP_FATAL_LOG
# define CFATAL_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__)
#else
# define CFATAL_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_FATAL_LOG
#if ELPP_TRACE_LOG
# define CTRACE_N_TIMES(writer, n, dispatchAction, ...)\
ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__)
#else
# define CTRACE_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_TRACE_LOG
#if ELPP_VERBOSE_LOG
# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...)\
CVERBOSE_IF(writer, ELPP->validateNTimesCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__)
#else
# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter()
#endif // ELPP_VERBOSE_LOG
//
// Custom Loggers - Requires (level, dispatchAction, loggerId/s)
//
// undef existing
#undef CLOG
#undef CLOG_VERBOSE
#undef CVLOG
#undef CLOG_IF
#undef CLOG_VERBOSE_IF
#undef CVLOG_IF
#undef CLOG_EVERY_N
#undef CVLOG_EVERY_N
#undef CLOG_AFTER_N
#undef CVLOG_AFTER_N
#undef CLOG_N_TIMES
#undef CVLOG_N_TIMES
// Normal logs
#define CLOG(LEVEL, ...)\
C##LEVEL(el::base::Writer, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CVLOG(vlevel, ...) CVERBOSE(el::base::Writer, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
// Conditional logs
#define CLOG_IF(condition, LEVEL, ...)\
C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CVLOG_IF(condition, vlevel, ...)\
CVERBOSE_IF(el::base::Writer, condition, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
// Hit counts based logs
#define CLOG_EVERY_N(n, LEVEL, ...)\
C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CVLOG_EVERY_N(n, vlevel, ...)\
CVERBOSE_EVERY_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CLOG_AFTER_N(n, LEVEL, ...)\
C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CVLOG_AFTER_N(n, vlevel, ...)\
CVERBOSE_AFTER_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CLOG_N_TIMES(n, LEVEL, ...)\
C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CVLOG_N_TIMES(n, vlevel, ...)\
CVERBOSE_N_TIMES(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
//
// Default Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros
//
// undef existing
#undef LOG
#undef VLOG
#undef LOG_IF
#undef VLOG_IF
#undef LOG_EVERY_N
#undef VLOG_EVERY_N
#undef LOG_AFTER_N
#undef VLOG_AFTER_N
#undef LOG_N_TIMES
#undef VLOG_N_TIMES
#undef ELPP_CURR_FILE_LOGGER_ID
#if defined(ELPP_DEFAULT_LOGGER)
# define ELPP_CURR_FILE_LOGGER_ID ELPP_DEFAULT_LOGGER
#else
# define ELPP_CURR_FILE_LOGGER_ID el::base::consts::kDefaultLoggerId
#endif
#undef ELPP_TRACE
#define ELPP_TRACE CLOG(TRACE, ELPP_CURR_FILE_LOGGER_ID)
// Normal logs
#define LOG(LEVEL) CLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define VLOG(vlevel) CVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID)
// Conditional logs
#define LOG_IF(condition, LEVEL) CLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define VLOG_IF(condition, vlevel) CVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID)
// Hit counts based logs
#define LOG_EVERY_N(n, LEVEL) CLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define VLOG_EVERY_N(n, vlevel) CVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
#define LOG_AFTER_N(n, LEVEL) CLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define VLOG_AFTER_N(n, vlevel) CVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
#define LOG_N_TIMES(n, LEVEL) CLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define VLOG_N_TIMES(n, vlevel) CVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
// Generic PLOG()
#undef CPLOG
#undef CPLOG_IF
#undef PLOG
#undef PLOG_IF
#undef DCPLOG
#undef DCPLOG_IF
#undef DPLOG
#undef DPLOG_IF
#define CPLOG(LEVEL, ...)\
C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define CPLOG_IF(condition, LEVEL, ...)\
C##LEVEL##_IF(el::base::PErrorWriter, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define DCPLOG(LEVEL, ...)\
if (ELPP_DEBUG_LOG) C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define DCPLOG_IF(condition, LEVEL, ...)\
C##LEVEL##_IF(el::base::PErrorWriter, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::NormalLog, __VA_ARGS__)
#define PLOG(LEVEL) CPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define PLOG_IF(condition, LEVEL) CPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DPLOG(LEVEL) DCPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DPLOG_IF(condition, LEVEL) DCPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
// Generic SYSLOG()
#undef CSYSLOG
#undef CSYSLOG_IF
#undef CSYSLOG_EVERY_N
#undef CSYSLOG_AFTER_N
#undef CSYSLOG_N_TIMES
#undef SYSLOG
#undef SYSLOG_IF
#undef SYSLOG_EVERY_N
#undef SYSLOG_AFTER_N
#undef SYSLOG_N_TIMES
#undef DCSYSLOG
#undef DCSYSLOG_IF
#undef DCSYSLOG_EVERY_N
#undef DCSYSLOG_AFTER_N
#undef DCSYSLOG_N_TIMES
#undef DSYSLOG
#undef DSYSLOG_IF
#undef DSYSLOG_EVERY_N
#undef DSYSLOG_AFTER_N
#undef DSYSLOG_N_TIMES
#if defined(ELPP_SYSLOG)
# define CSYSLOG(LEVEL, ...)\
C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define CSYSLOG_IF(condition, LEVEL, ...)\
C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define CSYSLOG_EVERY_N(n, LEVEL, ...) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define CSYSLOG_AFTER_N(n, LEVEL, ...) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define CSYSLOG_N_TIMES(n, LEVEL, ...) C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define SYSLOG(LEVEL) CSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId)
# define SYSLOG_IF(condition, LEVEL) CSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId)
# define SYSLOG_EVERY_N(n, LEVEL) CSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
# define SYSLOG_AFTER_N(n, LEVEL) CSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
# define SYSLOG_N_TIMES(n, LEVEL) CSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId)
# define DCSYSLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define DCSYSLOG_IF(condition, LEVEL, ...)\
C##LEVEL##_IF(el::base::Writer, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::SysLog, __VA_ARGS__)
# define DCSYSLOG_EVERY_N(n, LEVEL, ...)\
if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define DCSYSLOG_AFTER_N(n, LEVEL, ...)\
if (ELPP_DEBUG_LOG) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define DCSYSLOG_N_TIMES(n, LEVEL, ...)\
if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
# define DSYSLOG(LEVEL) DCSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId)
# define DSYSLOG_IF(condition, LEVEL) DCSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId)
# define DSYSLOG_EVERY_N(n, LEVEL) DCSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
# define DSYSLOG_AFTER_N(n, LEVEL) DCSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
# define DSYSLOG_N_TIMES(n, LEVEL) DCSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId)
#else
# define CSYSLOG(LEVEL, ...) el::base::NullWriter()
# define CSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter()
# define CSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter()
# define CSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter()
# define CSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter()
# define SYSLOG(LEVEL) el::base::NullWriter()
# define SYSLOG_IF(condition, LEVEL) el::base::NullWriter()
# define SYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter()
# define SYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter()
# define SYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter()
# define DCSYSLOG(LEVEL, ...) el::base::NullWriter()
# define DCSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter()
# define DCSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter()
# define DCSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter()
# define DCSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter()
# define DSYSLOG(LEVEL) el::base::NullWriter()
# define DSYSLOG_IF(condition, LEVEL) el::base::NullWriter()
# define DSYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter()
# define DSYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter()
# define DSYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter()
#endif // defined(ELPP_SYSLOG)
//
// Custom Debug Only Loggers - Requires (level, loggerId/s)
//
// undef existing
#undef DCLOG
#undef DCVLOG
#undef DCLOG_IF
#undef DCVLOG_IF
#undef DCLOG_EVERY_N
#undef DCVLOG_EVERY_N
#undef DCLOG_AFTER_N
#undef DCVLOG_AFTER_N
#undef DCLOG_N_TIMES
#undef DCVLOG_N_TIMES
// Normal logs
#define DCLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG(LEVEL, __VA_ARGS__)
#define DCLOG_VERBOSE(vlevel, ...) if (ELPP_DEBUG_LOG) CLOG_VERBOSE(vlevel, __VA_ARGS__)
#define DCVLOG(vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG(vlevel, __VA_ARGS__)
// Conditional logs
#define DCLOG_IF(condition, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_IF(condition, LEVEL, __VA_ARGS__)
#define DCVLOG_IF(condition, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_IF(condition, vlevel, __VA_ARGS__)
// Hit counts based logs
#define DCLOG_EVERY_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_EVERY_N(n, LEVEL, __VA_ARGS__)
#define DCVLOG_EVERY_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_EVERY_N(n, vlevel, __VA_ARGS__)
#define DCLOG_AFTER_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_AFTER_N(n, LEVEL, __VA_ARGS__)
#define DCVLOG_AFTER_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_AFTER_N(n, vlevel, __VA_ARGS__)
#define DCLOG_N_TIMES(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_N_TIMES(n, LEVEL, __VA_ARGS__)
#define DCVLOG_N_TIMES(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_N_TIMES(n, vlevel, __VA_ARGS__)
//
// Default Debug Only Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros
//
#if !defined(ELPP_NO_DEBUG_MACROS)
// undef existing
#undef DLOG
#undef DVLOG
#undef DLOG_IF
#undef DVLOG_IF
#undef DLOG_EVERY_N
#undef DVLOG_EVERY_N
#undef DLOG_AFTER_N
#undef DVLOG_AFTER_N
#undef DLOG_N_TIMES
#undef DVLOG_N_TIMES
// Normal logs
#define DLOG(LEVEL) DCLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DVLOG(vlevel) DCVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID)
// Conditional logs
#define DLOG_IF(condition, LEVEL) DCLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DVLOG_IF(condition, vlevel) DCVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID)
// Hit counts based logs
#define DLOG_EVERY_N(n, LEVEL) DCLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DVLOG_EVERY_N(n, vlevel) DCVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
#define DLOG_AFTER_N(n, LEVEL) DCLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DVLOG_AFTER_N(n, vlevel) DCVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
#define DLOG_N_TIMES(n, LEVEL) DCLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
#define DVLOG_N_TIMES(n, vlevel) DCVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
#endif // defined(ELPP_NO_DEBUG_MACROS)
#if !defined(ELPP_NO_CHECK_MACROS)
// Check macros
#undef CCHECK
#undef CPCHECK
#undef CCHECK_EQ
#undef CCHECK_NE
#undef CCHECK_LT
#undef CCHECK_GT
#undef CCHECK_LE
#undef CCHECK_GE
#undef CCHECK_BOUNDS
#undef CCHECK_NOTNULL
#undef CCHECK_STRCASEEQ
#undef CCHECK_STRCASENE
#undef CHECK
#undef PCHECK
#undef CHECK_EQ
#undef CHECK_NE
#undef CHECK_LT
#undef CHECK_GT
#undef CHECK_LE
#undef CHECK_GE
#undef CHECK_BOUNDS
#undef CHECK_NOTNULL
#undef CHECK_STRCASEEQ
#undef CHECK_STRCASENE
#define CCHECK(condition, ...) CLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] "
#define CPCHECK(condition, ...) CPLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] "
#define CHECK(condition) CCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
#define PCHECK(condition) CPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
#define CCHECK_EQ(a, b, ...) CCHECK(a == b, __VA_ARGS__)
#define CCHECK_NE(a, b, ...) CCHECK(a != b, __VA_ARGS__)
#define CCHECK_LT(a, b, ...) CCHECK(a < b, __VA_ARGS__)
#define CCHECK_GT(a, b, ...) CCHECK(a > b, __VA_ARGS__)
#define CCHECK_LE(a, b, ...) CCHECK(a <= b, __VA_ARGS__)
#define CCHECK_GE(a, b, ...) CCHECK(a >= b, __VA_ARGS__)
#define CCHECK_BOUNDS(val, min, max, ...) CCHECK(val >= min && val <= max, __VA_ARGS__)
#define CHECK_EQ(a, b) CCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_NE(a, b) CCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_LT(a, b) CCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_GT(a, b) CCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_LE(a, b) CCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_GE(a, b) CCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_BOUNDS(val, min, max) CCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID)
#define CCHECK_NOTNULL(ptr, ...) CCHECK((ptr) != nullptr, __VA_ARGS__)
#define CCHECK_STREQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \
<< "Check failed: [" << #str1 << " == " << #str2 << "] "
#define CCHECK_STRNE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \
<< "Check failed: [" << #str1 << " != " << #str2 << "] "
#define CCHECK_STRCASEEQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \
<< "Check failed: [" << #str1 << " == " << #str2 << "] "
#define CCHECK_STRCASENE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \
<< "Check failed: [" << #str1 << " != " << #str2 << "] "
#define CHECK_NOTNULL(ptr) CCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_STREQ(str1, str2) CCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_STRNE(str1, str2) CCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_STRCASEEQ(str1, str2) CCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define CHECK_STRCASENE(str1, str2) CCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#undef DCCHECK
#undef DCCHECK_EQ
#undef DCCHECK_NE
#undef DCCHECK_LT
#undef DCCHECK_GT
#undef DCCHECK_LE
#undef DCCHECK_GE
#undef DCCHECK_BOUNDS
#undef DCCHECK_NOTNULL
#undef DCCHECK_STRCASEEQ
#undef DCCHECK_STRCASENE
#undef DCPCHECK
#undef DCHECK
#undef DCHECK_EQ
#undef DCHECK_NE
#undef DCHECK_LT
#undef DCHECK_GT
#undef DCHECK_LE
#undef DCHECK_GE
#undef DCHECK_BOUNDS_
#undef DCHECK_NOTNULL
#undef DCHECK_STRCASEEQ
#undef DCHECK_STRCASENE
#undef DPCHECK
#define DCCHECK(condition, ...) if (ELPP_DEBUG_LOG) CCHECK(condition, __VA_ARGS__)
#define DCCHECK_EQ(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_EQ(a, b, __VA_ARGS__)
#define DCCHECK_NE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_NE(a, b, __VA_ARGS__)
#define DCCHECK_LT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LT(a, b, __VA_ARGS__)
#define DCCHECK_GT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GT(a, b, __VA_ARGS__)
#define DCCHECK_LE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LE(a, b, __VA_ARGS__)
#define DCCHECK_GE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GE(a, b, __VA_ARGS__)
#define DCCHECK_BOUNDS(val, min, max, ...) if (ELPP_DEBUG_LOG) CCHECK_BOUNDS(val, min, max, __VA_ARGS__)
#define DCCHECK_NOTNULL(ptr, ...) if (ELPP_DEBUG_LOG) CCHECK_NOTNULL((ptr), __VA_ARGS__)
#define DCCHECK_STREQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STREQ(str1, str2, __VA_ARGS__)
#define DCCHECK_STRNE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRNE(str1, str2, __VA_ARGS__)
#define DCCHECK_STRCASEEQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASEEQ(str1, str2, __VA_ARGS__)
#define DCCHECK_STRCASENE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASENE(str1, str2, __VA_ARGS__)
#define DCPCHECK(condition, ...) if (ELPP_DEBUG_LOG) CPCHECK(condition, __VA_ARGS__)
#define DCHECK(condition) DCCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_EQ(a, b) DCCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_NE(a, b) DCCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_LT(a, b) DCCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_GT(a, b) DCCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_LE(a, b) DCCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_GE(a, b) DCCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_BOUNDS(val, min, max) DCCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_NOTNULL(ptr) DCCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_STREQ(str1, str2) DCCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_STRNE(str1, str2) DCCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_STRCASEEQ(str1, str2) DCCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define DCHECK_STRCASENE(str1, str2) DCCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
#define DPCHECK(condition) DCPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
#endif // defined(ELPP_NO_CHECK_MACROS)
#if defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING)
# define ELPP_USE_DEF_CRASH_HANDLER false
#else
# define ELPP_USE_DEF_CRASH_HANDLER true
#endif // defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING)
#define ELPP_CRASH_HANDLER_INIT
#define ELPP_INIT_EASYLOGGINGPP(val) \
namespace el { \
namespace base { \
el::base::type::StoragePointer elStorage(val); \
} \
el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER); \
}
#if ELPP_ASYNC_LOGGING
# define INITIALIZE_EASYLOGGINGPP ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder()),\
new el::base::AsyncDispatchWorker()))
#else
# define INITIALIZE_EASYLOGGINGPP ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder())))
#endif // ELPP_ASYNC_LOGGING
#define INITIALIZE_NULL_EASYLOGGINGPP \
namespace el {\
namespace base {\
el::base::type::StoragePointer elStorage;\
}\
el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\
}
#define SHARE_EASYLOGGINGPP(initializedStorage)\
namespace el {\
namespace base {\
el::base::type::StoragePointer elStorage(initializedStorage);\
}\
el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\
}
#if defined(ELPP_UNICODE)
# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv); std::locale::global(std::locale(""))
#else
# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv)
#endif // defined(ELPP_UNICODE)
#endif // EASYLOGGINGPP_H
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