OXYGENHUB
◆ main openmsx / src / PrinterPortLogger.cc
2.0 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "PrinterPortLogger.hh"
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#include "FileContext.hh"
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#include "FileException.hh"
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#include "PlugException.hh"
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#include "serialize.hh"
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namespace openmsx {
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PrinterPortLogger::PrinterPortLogger(CommandController& commandController)
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	: logFilenameSetting(
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		commandController, "printerlogfilename",
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		"filename of the file where the printer output is logged to",
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		"printer.log")
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{
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}
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bool PrinterPortLogger::getStatus(EmuTime /*time*/)
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{
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	return false; // false = low = ready
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}
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void PrinterPortLogger::setStrobe(bool strobe, EmuTime /*time*/)
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{
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	if (file.is_open() && !strobe && prevStrobe) {
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		// falling edge
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		file.write(std::span{&toPrint, 1});
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		file.flush(); // optimize when it turns out flushing
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		               // every time is too slow
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	}
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	prevStrobe = strobe;
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}
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void PrinterPortLogger::writeData(uint8_t data, EmuTime /*time*/)
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{
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	toPrint = data;
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}
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void PrinterPortLogger::plugHelper(
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		Connector& /*connector*/, EmuTime /*time*/)
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{
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	try {
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		file = File(userFileContext().resolve(logFilenameSetting.getString()),
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		            File::OpenMode::TRUNCATE);
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	} catch (FileException& e) {
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		throw PlugException("Couldn't plug printer logger: ",
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		                    e.getMessage());
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	}
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}
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void PrinterPortLogger::unplugHelper(EmuTime /*time*/)
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{
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	file.close();
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}
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zstring_view PrinterPortLogger::getName() const
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{
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	return "logger";
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}
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zstring_view PrinterPortLogger::getDescription() const
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{
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	return "Log everything that is sent to the printer port to a "
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	       "file. The filename can be set with the "
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	       "'printerlogfilename' setting.";
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}
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template<typename Archive>
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void PrinterPortLogger::serialize(Archive& /*ar*/, unsigned /*version*/)
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{
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	// We don't try to resume logging to the same file.
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	// And to not accidentally loose a previous log, we don't
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	// overwrite that file automatically. So after savestate/loadstate,
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	// you have to replug the PrinterPortLogger
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}
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INSTANTIATE_SERIALIZE_METHODS(PrinterPortLogger);
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REGISTER_POLYMORPHIC_INITIALIZER(Pluggable, PrinterPortLogger, "PrinterPortLogger");
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} // namespace openmsx