Mercurial > hg > orthanc-stone
diff Resources/Orthanc/Core/Logging.h @ 200:03afbee0cc7b
integration of Orthanc core into Stone
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 23 Mar 2018 11:04:03 +0100 |
parents | |
children | e7f90aba3c97 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Resources/Orthanc/Core/Logging.h Fri Mar 23 11:04:03 2018 +0100 @@ -0,0 +1,203 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include <iostream> + +#if !defined(ORTHANC_ENABLE_LOGGING) +# error The macro ORTHANC_ENABLE_LOGGING must be defined +#endif + +#if !defined(ORTHANC_ENABLE_LOGGING_PLUGIN) +# if ORTHANC_ENABLE_LOGGING == 1 +# error The macro ORTHANC_ENABLE_LOGGING_PLUGIN must be defined +# else +# define ORTHANC_ENABLE_LOGGING_PLUGIN 0 +# endif +#endif + +#if !defined(ORTHANC_ENABLE_LOGGING_STDIO) +# if ORTHANC_ENABLE_LOGGING == 1 +# error The macro ORTHANC_ENABLE_LOGGING_STDIO must be defined +# else +# define ORTHANC_ENABLE_LOGGING_STDIO 0 +# endif +#endif + +#if ORTHANC_ENABLE_LOGGING_PLUGIN == 1 +# include <orthanc/OrthancCPlugin.h> +#endif + +namespace Orthanc +{ + namespace Logging + { +#if ORTHANC_ENABLE_LOGGING_PLUGIN == 1 + void Initialize(OrthancPluginContext* context); +#else + void Initialize(); +#endif + + void Finalize(); + + void Reset(); + + void Flush(); + + void EnableInfoLevel(bool enabled); + + void EnableTraceLevel(bool enabled); + + void SetTargetFile(const std::string& path); + + void SetTargetFolder(const std::string& path); + + struct NullStream : public std::ostream + { + NullStream() : + std::ios(0), + std::ostream(0) + { + } + + std::ostream& operator<< (const std::string& message) + { + return *this; + } + + // This overload fixes build problems with Visual Studio 2015 + std::ostream& operator<< (const char* message) + { + return *this; + } + }; + } +} + + +#if ORTHANC_ENABLE_LOGGING != 1 + +# define LOG(level) ::Orthanc::Logging::NullStream() +# define VLOG(level) ::Orthanc::Logging::NullStream() + + +#elif (ORTHANC_ENABLE_LOGGING_PLUGIN == 1 || \ + ORTHANC_ENABLE_LOGGING_STDIO == 1) + +# include <boost/noncopyable.hpp> +# include <boost/lexical_cast.hpp> +# define LOG(level) ::Orthanc::Logging::InternalLogger \ + (::Orthanc::Logging::level, __FILE__, __LINE__) +# define VLOG(level) ::Orthanc::Logging::InternalLogger \ + (::Orthanc::Logging::TRACE, __FILE__, __LINE__) + +namespace Orthanc +{ + namespace Logging + { + enum Level + { + ERROR, + WARNING, + INFO, + TRACE + }; + + class InternalLogger : public boost::noncopyable + { + private: + Level level_; + std::string message_; + + public: + InternalLogger(Level level, + const char* file, + int line); + + ~InternalLogger(); + + template <typename T> + InternalLogger& operator<< (T message) + { + message_ += boost::lexical_cast<std::string>(message); + return *this; + } + }; + } +} + + + + +#else /* ORTHANC_ENABLE_LOGGING_PLUGIN == 0 && + ORTHANC_ENABLE_LOGGING_STDIO == 0 && + ORTHANC_ENABLE_LOGGING == 1 */ + +# include <boost/thread/mutex.hpp> +# define LOG(level) ::Orthanc::Logging::InternalLogger(#level, __FILE__, __LINE__) +# define VLOG(level) ::Orthanc::Logging::InternalLogger("TRACE", __FILE__, __LINE__) + +namespace Orthanc +{ + namespace Logging + { + class InternalLogger + { + private: + boost::mutex::scoped_lock lock_; + NullStream null_; + std::ostream* stream_; + + public: + InternalLogger(const char* level, + const char* file, + int line); + + ~InternalLogger(); + + std::ostream& operator<< (const std::string& message) + { + return (*stream_) << message; + } + + // This overload fixes build problems with Visual Studio 2015 + std::ostream& operator<< (const char* message) + { + return (*stream_) << message; + } + }; + } +} + +#endif // ORTHANC_ENABLE_LOGGING