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https://git.rwth-aachen.de/acs/public/villas/node/
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99 lines
2 KiB
C++
99 lines
2 KiB
C++
/* Logging.
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*
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* Author: Daniel Krebs <github@daniel-krebs.net>
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* Author: Steffen Vogel <post@steffenvogel.de>
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* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <string>
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#include <list>
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#include <spdlog/spdlog.h>
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#include <spdlog/sinks/dist_sink.h>
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#include <spdlog/sinks/stdout_color_sinks.h>
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#include <spdlog/fmt/ostr.h>
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#include <jansson.h>
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namespace villas {
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// Forward declarations
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class Log;
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using Logger = std::shared_ptr<spdlog::logger>;
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extern
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Log logging;
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class Log {
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public:
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using Level = spdlog::level::level_enum;
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using DefaultSink = std::shared_ptr<spdlog::sinks::stderr_color_sink_mt>;
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using DistSink = std::shared_ptr<spdlog::sinks::dist_sink_mt>;
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using Formatter = std::shared_ptr<spdlog::pattern_formatter>;
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class Expression {
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public:
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std::string name;
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Level level;
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Expression(const std::string &n, Level lvl) :
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name(n),
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level(lvl)
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{ }
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Expression(json_t *json);
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};
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protected:
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DistSink sinks;
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DefaultSink sink;
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Formatter formatter;
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Level level;
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std::string pattern; // Logging format.
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std::string prefix; // Prefix each line with this string.
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std::list<Expression> expressions;
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public:
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Log(Level level = Level::info);
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// Get the real usable log output width which fits into one line.
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int getWidth();
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void parse(json_t *json);
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Logger get(const std::string &name);
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void setFormatter(const std::string &pattern, const std::string &pfx = "");
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void setLevel(Level lvl);
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void setLevel(const std::string &lvl);
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Level getLevel() const;
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std::string getLevelName() const;
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void addSink(std::shared_ptr<spdlog::sinks::sink> sink)
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{
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sink->set_formatter(formatter->clone());
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sink->set_level(level);
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sinks->add_sink(sink);
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}
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void replaceStdSink(std::shared_ptr<spdlog::sinks::sink> sink)
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{
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sink->set_formatter(formatter->clone());
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sink->set_level(level);
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sinks->sinks()[0] = sink;
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}
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};
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} // namespace villas
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