mirror of https://github.com/PentHertz/srsLTE.git
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSUE_TTCN3_SWAPPABLE_SINK_H
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#define SRSUE_TTCN3_SWAPPABLE_SINK_H
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#include "srsran/srslog/sink.h"
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/// A custom sink implementation that allows hot swapping file sinks so that loggers can write to different files
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/// dynamically or other stream-like sinks like stdout.
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class swappable_sink : public srslog::sink
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{
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public:
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swappable_sink(const std::string& filename, std::unique_ptr<srslog::log_formatter> f) :
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srslog::sink(std::move(f)), s(&srslog::fetch_file_sink(filename))
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{}
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/// Identifier of this custom sink.
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static const char* name() { return "swappable_sink"; }
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srslog::detail::error_string write(srslog::detail::memory_buffer buffer) override { return s->write(buffer); }
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srslog::detail::error_string flush() override { return s->flush(); }
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/// Swaps the current file sink with a new sink that will write to the specified file name.
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void swap_sink(const std::string& filename)
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{
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srslog::flush();
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s = &srslog::fetch_file_sink(filename);
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}
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/// Swaps the current sink to use the stdout sink.
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void swap_to_stdout()
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{
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srslog::flush();
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s = &srslog::fetch_stdout_sink();
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}
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private:
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srslog::sink* s;
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};
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#endif // SRSUE_TTCN3_SWAPPABLE_SINK_H
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