112 lines
2.4 KiB
C++
112 lines
2.4 KiB
C++
//
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// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
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// Copyright © 2004-2020 YaPB Project <yapb@jeefo.net>.
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//
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// SPDX-License-Identifier: MIT
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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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String filename_;
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PrintFunction printFun_;
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public:
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explicit SimpleLogger () = default;
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~SimpleLogger () = default;
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public:
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class LogFile final {
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private:
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File handle_;
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public:
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LogFile (StringRef filename) {
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handle_.open (filename, "at");
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}
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~LogFile () {
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handle_.close ();
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}
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public:
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void print (StringRef msg) {
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if (!handle_) {
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return;
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}
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handle_.puts (msg.chars ());
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}
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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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time_t ticks = time (&ticks);
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tm timeinfo {};
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#if defined (CR_WINDOWS)
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localtime_s (&timeinfo, &ticks);
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#else
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localtime_r (&ticks, &timeinfo);
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#endif
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auto timebuf = strings.chars ();
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strftime (timebuf, StringBuffer::StaticBufferSize, "%Y-%m-%d %H:%M:%S", &timeinfo);
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LogFile lf (filename_);
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lf.print (strings.format ("%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 (printFun_) {
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printFun_ (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 (printFun_) {
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printFun_ (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 (printFun_) {
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printFun_ (msg);
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}
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}
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public:
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void initialize (StringRef filename, PrintFunction printFunction) {
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printFun_ = cr::move (printFunction);
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filename_ = filename;
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}
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};
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// expose global instance
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CR_EXPOSE_GLOBAL_SINGLETON (SimpleLogger, logger);
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CR_NAMESPACE_END
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