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Diffstat (limited to 'lib/common/Logging.h')
| -rw-r--r-- | lib/common/Logging.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/lib/common/Logging.h b/lib/common/Logging.h new file mode 100644 index 00000000..3c011b8c --- /dev/null +++ b/lib/common/Logging.h @@ -0,0 +1,241 @@ +// distribution boxbackup-0.11rc1 (svn version: 2023_2024) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. All use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: Logging.h +// Purpose: Generic logging core routines declarations and macros +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +#ifndef LOGGING__H +#define LOGGING__H + +#include <iomanip> +#include <sstream> +#include <vector> + +/* +#define BOX_LOG(level, stuff) \ +{ \ + if(Log::sMaxLoggingLevelForAnyOutput >= level) \ + std::ostringstream line; \ + line << stuff; \ + Log::Write(level, __FILE__, __LINE__, line.str()); \ + } \ +} +*/ + +#define BOX_LOG(level, stuff) \ +{ \ + std::ostringstream line; \ + line << stuff; \ + Logging::Log(level, __FILE__, __LINE__, line.str()); \ +} + +#define BOX_FATAL(stuff) BOX_LOG(Log::FATAL, stuff) +#define BOX_ERROR(stuff) BOX_LOG(Log::ERROR, stuff) +#define BOX_WARNING(stuff) BOX_LOG(Log::WARNING, stuff) +#define BOX_NOTICE(stuff) BOX_LOG(Log::NOTICE, stuff) +#define BOX_INFO(stuff) BOX_LOG(Log::INFO, stuff) +#define BOX_TRACE(stuff) \ + if (Logging::IsEnabled(Log::TRACE)) \ + { BOX_LOG(Log::TRACE, stuff) } + +#define BOX_FORMAT_ACCOUNT(accno) \ + std::hex << \ + std::showbase << \ + std::internal << \ + std::setw(10) << \ + std::setfill('0') << \ + (accno) << \ + std::dec + +#define BOX_FORMAT_OBJECTID(objectid) \ + std::hex << \ + std::showbase << \ + (objectid) << \ + std::dec + +#undef ERROR + +namespace Log +{ + enum Level + { + NOTHING = 1, + FATAL, + ERROR, + WARNING, + NOTICE, + INFO, + TRACE, + EVERYTHING + }; +} + +// -------------------------------------------------------------------------- +// +// Class +// Name: Logger +// Purpose: Abstract base class for log targets +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +class Logger +{ + private: + Log::Level mCurrentLevel; + + public: + Logger(); + virtual ~Logger(); + + virtual bool Log(Log::Level level, const std::string& rFile, + int line, std::string& rMessage) = 0; + + void Filter(Log::Level level) + { + mCurrentLevel = level; + } + + virtual const char* GetType() = 0; + Log::Level GetLevel() { return mCurrentLevel; } + + virtual void SetProgramName(const std::string& rProgramName) = 0; +}; + +// -------------------------------------------------------------------------- +// +// Class +// Name: Console +// Purpose: Console logging target +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +class Console : public Logger +{ + private: + static bool sShowTime; + static bool sShowTimeMicros; + static bool sShowTag; + static std::string sTag; + + public: + virtual bool Log(Log::Level level, const std::string& rFile, + int line, std::string& rMessage); + virtual const char* GetType() { return "Console"; } + virtual void SetProgramName(const std::string& rProgramName) { } + + static void SetTag(const std::string& rTag); + static void SetShowTime(bool enabled); + static void SetShowTimeMicros(bool enabled); +}; + +// -------------------------------------------------------------------------- +// +// Class +// Name: Syslog +// Purpose: Syslog (or Windows Event Viewer) logging target +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +class Syslog : public Logger +{ + private: + std::string mName; + + public: + Syslog(); + virtual ~Syslog(); + + virtual bool Log(Log::Level level, const std::string& rFile, + int line, std::string& rMessage); + virtual const char* GetType() { return "Syslog"; } + virtual void SetProgramName(const std::string& rProgramName); +}; + +// -------------------------------------------------------------------------- +// +// Class +// Name: Logging +// Purpose: Static logging helper, keeps track of enabled loggers +// and distributes log messages to them. +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +class Logging +{ + private: + static std::vector<Logger*> sLoggers; + static bool sLogToSyslog, sLogToConsole; + static std::string sContext; + static bool sContextSet; + static Console* spConsole; + static Syslog* spSyslog; + static Log::Level sGlobalLevel; + static Logging sGlobalLogging; + + public: + Logging (); + ~Logging(); + static void ToSyslog (bool enabled); + static void ToConsole (bool enabled); + static void FilterSyslog (Log::Level level); + static void FilterConsole (Log::Level level); + static void Add (Logger* pNewLogger); + static void Remove (Logger* pOldLogger); + static void Log(Log::Level level, const std::string& rFile, + int line, const std::string& rMessage); + static void SetContext(std::string context); + static void ClearContext(); + static void SetGlobalLevel(Log::Level level) { sGlobalLevel = level; } + static bool IsEnabled(Log::Level level) + { + return (int)sGlobalLevel >= (int)level; + } + static void SetProgramName(const std::string& rProgramName); +}; + +#endif // LOGGING__H |