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82 lines
3.8 KiB
82 lines
3.8 KiB
// Software License Agreement (BSD License)
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//
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// Copyright (c) 2010-2016, Deusty, LLC
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// All rights reserved.
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//
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// Redistribution and use of this software in source and binary forms,
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// with or without modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Neither the name of Deusty nor the names of its contributors may be used
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// to endorse or promote products derived from this software without specific
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// prior written permission of Deusty, LLC.
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// Disable legacy macros
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#ifndef OSSDD_LEGACY_MACROS
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#define OSSDD_LEGACY_MACROS 0
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#endif
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#import "OSSDDLog.h"
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/**
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* The constant/variable/method responsible for controlling the current log level.
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**/
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#ifndef OSSLOG_LEVEL_DEF
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#define OSSLOG_LEVEL_DEF ossLogLevel
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#endif
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/**
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* Whether async should be used by log messages, excluding error messages that are always sent sync.
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**/
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#ifndef OSSLOG_ASYNC_ENABLED
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#define OSSLOG_ASYNC_ENABLED YES
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#endif
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/**
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* These are the two macros that all other macros below compile into.
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* These big multiline macros makes all the other macros easier to read.
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**/
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#define OSSLOG_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, ...) \
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[OSSDDLog log : isAsynchronous \
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level : lvl \
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flag : flg \
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context : ctx \
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file : __FILE__ \
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function : fnct \
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line : __LINE__ \
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tag : atag \
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format : (frmt), ## __VA_ARGS__]
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/**
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* Define version of the macro that only execute if the log level is above the threshold.
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* The compiled versions essentially look like this:
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*
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* if (logFlagForThisLogMsg & ddLogLevel) { execute log message }
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*
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* When LOG_LEVEL_DEF is defined as ddLogLevel.
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*
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* As shown further below, Lumberjack actually uses a bitmask as opposed to primitive log levels.
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* This allows for a great amount of flexibility and some pretty advanced fine grained logging techniques.
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*
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* Note that when compiler optimizations are enabled (as they are for your release builds),
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* the log messages above your logging threshold will automatically be compiled out.
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*
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* (If the compiler sees LOG_LEVEL_DEF/ddLogLevel declared as a constant, the compiler simply checks to see
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* if the 'if' statement would execute, and if not it strips it from the binary.)
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*
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* We also define shorthand versions for asynchronous and synchronous logging.
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**/
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#define OSSLOG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, ...) \
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do { if(lvl & flg) OSSLOG_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, ##__VA_ARGS__); } while(0)
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/**
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* Ready to use log macros with no context or tag.
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**/
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#define OSSDDLogError(frmt, ...) OSSLOG_MAYBE(NO, OSSLOG_LEVEL_DEF, OSSDDLogFlagError, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
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#define OSSDDLogWarn(frmt, ...) OSSLOG_MAYBE(OSSLOG_ASYNC_ENABLED, OSSLOG_LEVEL_DEF, OSSDDLogFlagWarning, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
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#define OSSDDLogInfo(frmt, ...) OSSLOG_MAYBE(OSSLOG_ASYNC_ENABLED, OSSLOG_LEVEL_DEF, OSSDDLogFlagInfo, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
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#define OSSDDLogDebug(frmt, ...) OSSLOG_MAYBE(OSSLOG_ASYNC_ENABLED, OSSLOG_LEVEL_DEF, OSSDDLogFlagDebug, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
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#define OSSDDLogVerbose(frmt, ...) OSSLOG_MAYBE(OSSLOG_ASYNC_ENABLED, OSSLOG_LEVEL_DEF, OSSDDLogFlagVerbose, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
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