mirror of https://github.com/Icinga/icinga2.git
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
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/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef CONTEXT_H
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#define CONTEXT_H
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#include "base/i2-base.hpp"
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#include "base/qstring.hpp"
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#include <list>
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namespace icinga
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{
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class I2_BASE_API ContextTrace
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{
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public:
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ContextTrace(void);
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void Print(std::ostream& fp) const;
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size_t GetLength(void) const;
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private:
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std::list<String> m_Frames;
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};
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I2_BASE_API std::ostream& operator<<(std::ostream& stream, const ContextTrace& trace);
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/**
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* A context frame.
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*
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* @ingroup base
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*/
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class I2_BASE_API ContextFrame
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{
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public:
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ContextFrame(const String& message);
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~ContextFrame(void);
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private:
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static std::list<String>& GetFrames(void);
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friend class ContextTrace;
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};
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/* The currentContextFrame variable has to be volatile in order to prevent
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* the compiler from optimizing it away. */
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#define CONTEXT(message) volatile icinga::ContextFrame currentContextFrame(message)
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}
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#endif /* CONTEXT_H */
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