122 lines
2.8 KiB
C++
122 lines
2.8 KiB
C++
#ifndef Logger_Include_H_
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#define Logger_Include_H_
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#include "devices/CGA.h"
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#include "lib/OutStream.h"
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#include "lib/SpinLock.h"
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#include "user/lib/String.h"
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#include "user/lib/StringView.h"
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class Logger : public OutStream {
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public:
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static Logger& instance() {
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static Logger log;
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return log;
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}
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private:
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Logger() = default;
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static bool kout_enabled;
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static bool serial_enabled;
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void log(const bse::string_view message, CGA::color col) const;
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friend class NamedLogger; // Allow NamedLogger to lock/unlock
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SpinLock sem; // Semaphore would be a cyclic include
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static void lock() { Logger::instance().sem.acquire(); }
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static void unlock() { Logger::instance().sem.release(); }
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// static void lock() {}
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// static void unlock() {}
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public:
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// ~Logger() override = default;
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Logger(const Logger& copy) = delete;
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void operator=(const Logger& copy) = delete;
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enum LogLevel {
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TRACE,
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DEBUG,
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ERROR,
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INFO
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};
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static LogLevel level;
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LogLevel current_message_level = Logger::INFO; // Use this to log with manipulators
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void flush() override;
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void trace(const bse::string_view message) const;
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void debug(const bse::string_view message) const;
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void error(const bse::string_view message) const;
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void info(const bse::string_view message) const;
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// TODO: Make lvl change accessible over menu
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static void set_level(LogLevel lvl) {
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Logger::level = lvl;
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}
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static bse::string_view level_to_string(LogLevel lvl) {
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switch (lvl) {
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case Logger::TRACE:
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return "TRACE";
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case Logger::DEBUG:
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return "DEBUG";
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case Logger::ERROR:
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return "ERROR";
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case Logger::INFO:
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return "INFO";
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}
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}
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static void enable_kout() {
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Logger::kout_enabled = true;
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}
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static void disable_kout() {
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Logger::kout_enabled = false;
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}
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static void enable_serial() {
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Logger::serial_enabled = true;
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}
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static void disable_serial() {
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Logger::serial_enabled = false;
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}
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};
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// Manipulatoren
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Logger& TRACE(Logger& log);
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Logger& DEBUG(Logger& log);
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Logger& ERROR(Logger& log);
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Logger& INFO(Logger& log);
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class NamedLogger {
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private:
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const char* name;
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public:
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explicit NamedLogger(const char* name) : name(name) {}
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Logger& trace() {
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Logger::lock();
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return Logger::instance() << TRACE << name << "::";
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}
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Logger& debug() {
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Logger::lock();
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return Logger::instance() << DEBUG << name << "::";
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}
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Logger& error() {
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Logger::lock();
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return Logger::instance() << ERROR << name << "::";
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}
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Logger& info() {
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Logger::lock();
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return Logger::instance() << INFO << name << "::";
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}
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};
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#endif
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