toaruos/kernel/misc/logging.c

/* vim: tabstop=4 shiftwidth=4 noexpandtab
 * This file is part of ToaruOS and is released under the terms
 * of the NCSA / University of Illinois License - see LICENSE.md
 * Copyright (C) 2011-2014 Kevin Lange
 *
 * Kernel Logging Facility
 *
 * Maintains a log in-memory as well as to serial (unless
 * told not to).
 */

#include <kernel/system.h>
#include <kernel/logging.h>
#include <kernel/va_list.h>
#include <kernel/printf.h>

#include <toaru/list.h>

log_type_t debug_level = NOTICE;
void * debug_file = NULL;
void (*debug_hook)(void *, char *) = NULL;
void (*debug_video_crash)(char **) = NULL;

static char * c_messages[] = {
	" \033[1;34mINFO\033[0m:",
	" \033[1;35mNOTICE\033[0m:",
	" \033[1;33mWARNING\033[0m:",
	" \033[1;31mERROR\033[0m:",
	" \033[1;37;41mCRITICAL\033[0m:",
	" \033[1;31;44mINSANE\033[0m:"
};

static char buffer[1024];

void _debug_print(char * title, int line_no, log_type_t level, char *fmt, ...) {
	if (level >= debug_level && debug_file) {
		va_list args;
		va_start(args, fmt);
		vasprintf(buffer, fmt, args);
		va_end(args);

		char * type;
		if (level > INSANE) {
			type = "";
		} else {
			type = c_messages[level];
		}

		fprintf(debug_file, "[%10d.%3d:%s:%d]%s %s\n", timer_ticks, timer_subticks, title, line_no, type, buffer);

	}
	/* else ignore */
}