93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
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//
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// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
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// Copyright (c) YaPB Development Team.
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//
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// This software is licensed under the BSD-style license.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://yapb.ru/license
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//
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#pragma once
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#include <time.h>
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#include <crlib/cr-files.h>
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#include <crlib/cr-lambda.h>
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CR_NAMESPACE_BEGIN
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class SimpleLogger final : public Singleton <SimpleLogger> {
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public:
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using PrintFunction = Lambda <void (const char *)>;
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private:
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File m_handle;
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PrintFunction m_printer;
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public:
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SimpleLogger () = default;
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~SimpleLogger () {
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m_handle.close ();
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}
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private:
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void logToFile (const char *level, const char *msg) {
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if (!m_handle) {
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return;
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}
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time_t ticks = time (&ticks);
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auto tm = localtime (&ticks);
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auto timebuf = strings.chars ();
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strftime (timebuf, StringBuffer::StaticBufferSize, "%Y-%m-%d %H:%M:%S", tm);
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m_handle.puts ("%s (%s): %s\n", timebuf, level, msg);
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}
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public:
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template <typename ...Args> void fatal (const char *fmt, Args ...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("FATAL", msg);
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if (m_printer) {
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m_printer (msg);
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}
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plat.abort (msg);
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}
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template <typename ...Args> void error (const char *fmt, Args ...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("ERROR", msg);
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if (m_printer) {
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m_printer (msg);
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}
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}
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template <typename ...Args> void message (const char *fmt, Args ...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("INFO", msg);
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if (m_printer) {
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m_printer (msg);
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}
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}
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public:
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void initialize (const String &filename, PrintFunction printFunction) {
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if (m_handle) {
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m_handle.close ();
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}
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m_printer = cr::move (printFunction);
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m_handle.open (filename, "at");
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}
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};
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// expose global instance
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static auto &logger = SimpleLogger::get ();
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CR_NAMESPACE_END
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