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101 lines
2.7 KiB
C++
101 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 <xrpl/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 WrappedSink(
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beast::Journal::Sink& sink,
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std::string const& prefix = "")
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: Sink(sink), sink_(sink), prefix_(prefix)
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{
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}
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explicit WrappedSink(
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beast::Journal const& journal,
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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
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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
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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
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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
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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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} // namespace beast
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#endif
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