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Combine multiple related debug log data points into a single message. Allows quick correlation of events that previously were either not logged or, if logged, strewn across multiple lines, making correlation difficult. The Heartbeat Timer and consensus ledger accept processing each have this capability. Also guarantees that log entries will be written if the node is a validator, regardless of log severity level. Otherwise, the level of these messages is at INFO severity.
108 lines
2.9 KiB
C++
108 lines
2.9 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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void
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writeAlways(severities::Severity level, std::string const& text) override
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{
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using beast::Journal;
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sink_.writeAlways(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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