forked from boostorg/beast
Scott Schurr
388fd1262a
Replace Journal public data members with member function accessors in order to make Journal lighter weight. The change makes a Journal cheaper to pass by value. Also add missing stream checks (e.g., calls to JLOG) to avoid text processing that ultimately will not be stored in the log.
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_UTILITY_WRAPPEDSINK_H_INCLUDED
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#define BEAST_UTILITY_WRAPPEDSINK_H_INCLUDED
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#include <beast/utility/Journal.h>
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namespace beast {
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/** Wraps a Journal::Sink to prefix its output with a string. */
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// A WrappedSink both is a Sink and has a Sink:
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// o It inherits from Sink so it has the correct interface.
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// o It has a sink (reference) so it preserves the passed write() behavior.
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// The data inherited from the base class is ignored.
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class WrappedSink : public beast::Journal::Sink
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{
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private:
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beast::Journal::Sink& sink_;
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std::string prefix_;
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public:
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explicit
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WrappedSink (beast::Journal::Sink& sink, std::string const& prefix = "")
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: Sink (sink)
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, sink_(sink)
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, prefix_(prefix)
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{
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}
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explicit
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WrappedSink (beast::Journal const& journal, std::string const& prefix = "")
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: WrappedSink (journal.sink(), prefix)
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{
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}
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void prefix (std::string const& s)
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{
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prefix_ = s;
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}
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bool
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active (beast::severities::Severity level) const override
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{
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return sink_.active (level);
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}
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bool
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console () const override
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{
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return sink_.console ();
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}
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void console (bool output) override
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{
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sink_.console (output);
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}
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beast::severities::Severity
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threshold() const override
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{
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return sink_.threshold();
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}
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void threshold (beast::severities::Severity thresh) override
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{
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sink_.threshold (thresh);
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}
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void write (beast::severities::Severity level, std::string const& text) override
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{
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using beast::Journal;
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sink_.write (level, prefix_ + text);
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}
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};
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}
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#endif
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