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51 lines
853 B
C++
51 lines
853 B
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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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/string.hpp"
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#include <list>
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namespace icinga
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{
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class ContextTrace
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{
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public:
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ContextTrace();
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void Print(std::ostream& fp) const;
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size_t GetLength() const;
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private:
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std::list<String> m_Frames;
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};
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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 ContextFrame
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{
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public:
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ContextFrame(const String& message);
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~ContextFrame();
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private:
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static std::list<String>& GetFrames();
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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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