#include "logger.h"

/// Logger that writes to a file
class FileLogDriver : public LogDriverBase {
	public:
		FileLogDriver(int level, const std::string & path) :
			LogDriverBase(level),
			file(fopen(path.c_str(), "a"))
		{
		}
		~FileLogDriver()
		{
			fclose(file);
		}
		void message(int priority, const char * msg) const
		{
			if (priority <= level) {
				struct tm tm;
				time_t t = time(NULL);
				localtime_r(&t, &tm);
				char tmbuf[30];
				strftime(tmbuf, sizeof(tmbuf), "%F %T", &tm);
				fprintf(file, "%s %-6.*s%s\n",
						tmbuf, 5, Log::priorityName(level), msg);
				fflush(file);
			}
		}

	private:
		FILE * file;
};

DECLARE_GENERIC_LOADER("file", LogDriverLoader, FileLogDriver);