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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
commit | 56ae875861ab260b80a030f50c4aff9f9dc8fff0 (patch) | |
tree | 531412110fc901a5918c7f7442202804a83cada9 /lib/base/context.hpp | |
parent | Initial commit. (diff) | |
download | icinga2-upstream.tar.xz icinga2-upstream.zip |
Adding upstream version 2.14.2.upstream/2.14.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/base/context.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/base/context.hpp b/lib/base/context.hpp new file mode 100644 index 0000000..d6fe733 --- /dev/null +++ b/lib/base/context.hpp @@ -0,0 +1,54 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#ifndef CONTEXT_H +#define CONTEXT_H + +#include "base/i2-base.hpp" +#include "base/string.hpp" +#include <functional> +#include <vector> + +namespace icinga +{ + +class ContextTrace +{ +public: + ContextTrace(); + + void Print(std::ostream& fp) const; + + size_t GetLength() const; + +private: + std::vector<String> m_Frames; +}; + +std::ostream& operator<<(std::ostream& stream, const ContextTrace& trace); + +/** + * A context frame. + * + * @ingroup base + */ +class ContextFrame +{ +public: + ContextFrame(std::function<void(std::ostream&)> message); + ~ContextFrame(); + +private: + static std::vector<std::function<void(std::ostream&)>>& GetFrames(); + + friend class ContextTrace; +}; + +/* The currentContextFrame variable has to be volatile in order to prevent + * the compiler from optimizing it away. */ +#define CONTEXT(message) volatile icinga::ContextFrame currentContextFrame ([&](std::ostream& _CONTEXT_stream) { \ +_CONTEXT_stream << message; \ +}) + +} + +#endif /* CONTEXT_H */ |