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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2007-2008 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* SECTION:dkp-debug
* @short_description: Debugging functions
*
* This file contains functions that can be used for debugging.
*/
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gprintf.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <execinfo.h>
#include "dkp-debug.h"
#define CONSOLE_RESET 0
#define CONSOLE_BLACK 30
#define CONSOLE_RED 31
#define CONSOLE_GREEN 32
#define CONSOLE_YELLOW 33
#define CONSOLE_BLUE 34
#define CONSOLE_MAGENTA 35
#define CONSOLE_CYAN 36
#define CONSOLE_WHITE 37
#define PK_LOG_FILE PK_LOG_DIR "/PackageKit"
static gboolean do_verbose = FALSE; /* if we should print out debugging */
static gboolean is_console = FALSE;
/**
* dkp_set_console_mode:
**/
static void
dkp_set_console_mode (guint console_code)
{
gchar command[13];
/* don't put extra commands into logs */
if (!is_console) {
return;
}
/* Command is the control command to the terminal */
g_snprintf (command, 13, "%c[%dm", 0x1B, console_code);
printf ("%s", command);
}
/**
* dkp_debug_backtrace:
**/
void
dkp_debug_backtrace (void)
{
void *call_stack[512];
int call_stack_size;
char **symbols;
int i = 1;
call_stack_size = backtrace (call_stack, G_N_ELEMENTS (call_stack));
symbols = backtrace_symbols (call_stack, call_stack_size);
if (symbols != NULL) {
dkp_set_console_mode (CONSOLE_RED);
g_print ("Traceback:\n");
while (i < call_stack_size) {
g_print ("\t%s\n", symbols[i]);
i++;
}
dkp_set_console_mode (CONSOLE_RESET);
free (symbols);
}
}
/**
* dkp_print_line:
**/
static void
dkp_print_line (const gchar *func, const gchar *file, const int line, const gchar *buffer, guint color)
{
gchar *str_time;
gchar *header;
time_t the_time;
GThread *thread;
time (&the_time);
str_time = g_new0 (gchar, 255);
strftime (str_time, 254, "%H:%M:%S", localtime (&the_time));
thread = g_thread_self ();
/* generate header text */
header = g_strdup_printf ("TI:%s\tTH:%p\tFI:%s\tFN:%s,%d", str_time, thread, file, func, line);
g_free (str_time);
/* always in light green */
dkp_set_console_mode (CONSOLE_GREEN);
printf ("%s\n", header);
/* different colours according to the severity */
dkp_set_console_mode (color);
printf (" - %s\n", buffer);
dkp_set_console_mode (CONSOLE_RESET);
/* flush this output, as we need to debug */
fflush (stdout);
g_free (header);
}
/**
* dkp_debug_real:
**/
void
dkp_debug_real (const gchar *func, const gchar *file, const int line, const gchar *format, ...)
{
va_list args;
gchar *buffer = NULL;
if (do_verbose == FALSE) {
return;
}
va_start (args, format);
g_vasprintf (&buffer, format, args);
va_end (args);
dkp_print_line (func, file, line, buffer, CONSOLE_BLUE);
g_free(buffer);
}
/**
* dkp_warning_real:
**/
void
dkp_warning_real (const gchar *func, const gchar *file, const int line, const gchar *format, ...)
{
va_list args;
gchar *buffer = NULL;
if (do_verbose == FALSE) {
return;
}
va_start (args, format);
g_vasprintf (&buffer, format, args);
va_end (args);
/* do extra stuff for a warning */
if (!is_console) {
printf ("*** WARNING ***\n");
}
dkp_print_line (func, file, line, buffer, CONSOLE_RED);
g_free(buffer);
/* we want to fix this! */
dkp_debug_backtrace ();
}
/**
* dkp_error_real:
**/
void
dkp_error_real (const gchar *func, const gchar *file, const int line, const gchar *format, ...)
{
va_list args;
gchar *buffer = NULL;
va_start (args, format);
g_vasprintf (&buffer, format, args);
va_end (args);
/* do extra stuff for a warning */
if (!is_console) {
printf ("*** ERROR ***\n");
}
dkp_print_line (func, file, line, buffer, CONSOLE_RED);
g_free(buffer);
/* we want to fix this! */
dkp_debug_backtrace ();
exit (1);
}
/**
* dkp_debug_enabled:
*
* Returns: TRUE if we have debugging enabled
**/
gboolean
dkp_debug_enabled (void)
{
return do_verbose;
}
/**
* dkp_debug_init:
* @debug: If we should print out verbose debugging
**/
void
dkp_debug_init (gboolean debug)
{
do_verbose = debug;
/* check if we are on console */
if (isatty (fileno (stdout)) == 1) {
is_console = TRUE;
}
dkp_debug ("Verbose debugging %i (on console %i)", do_verbose, is_console);
}
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