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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
* vi:set noexpandtab tabstop=8 shiftwidth=8:
*
* Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
* Copyright (C) 2017 Kalev Lember <klember@redhat.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include "gs-debug.h"
struct _GsDebug
{
GObject parent_instance;
GMutex mutex;
gboolean use_time;
};
G_DEFINE_TYPE (GsDebug, gs_debug, G_TYPE_OBJECT)
static GLogWriterOutput
gs_log_writer_console (GLogLevelFlags log_level,
const GLogField *fields,
gsize n_fields,
gpointer user_data)
{
GsDebug *debug = GS_DEBUG (user_data);
const gchar *log_domain = NULL;
const gchar *log_message = NULL;
g_autofree gchar *tmp = NULL;
g_autoptr(GMutexLocker) locker = NULL;
g_autoptr(GString) domain = NULL;
/* enabled */
if (g_getenv ("GS_DEBUG") == NULL &&
log_level == G_LOG_LEVEL_DEBUG)
return G_LOG_WRITER_HANDLED;
/* get data from arguments */
for (gsize i = 0; i < n_fields; i++) {
if (g_strcmp0 (fields[i].key, "MESSAGE") == 0) {
log_message = fields[i].value;
continue;
}
if (g_strcmp0 (fields[i].key, "GLIB_DOMAIN") == 0) {
log_domain = fields[i].value;
continue;
}
}
/* this is really verbose */
if (g_strcmp0 (log_domain, "dconf") == 0 &&
log_level == G_LOG_LEVEL_DEBUG)
return G_LOG_WRITER_HANDLED;
/* make threadsafe */
locker = g_mutex_locker_new (&debug->mutex);
g_assert (locker != NULL);
/* time header */
if (debug->use_time) {
g_autoptr(GDateTime) dt = g_date_time_new_now_utc ();
tmp = g_strdup_printf ("%02i:%02i:%02i:%04i",
g_date_time_get_hour (dt),
g_date_time_get_minute (dt),
g_date_time_get_second (dt),
g_date_time_get_microsecond (dt) / 1000);
}
/* make these shorter */
if (g_strcmp0 (log_domain, "PackageKit") == 0) {
log_domain = "PK";
} else if (g_strcmp0 (log_domain, "GsPlugin") == 0) {
log_domain = "Gs";
}
/* pad out domain */
domain = g_string_new (log_domain);
for (guint i = domain->len; i < 3; i++)
g_string_append (domain, " ");
switch (log_level) {
case G_LOG_LEVEL_ERROR:
case G_LOG_LEVEL_CRITICAL:
case G_LOG_LEVEL_WARNING:
/* to screen */
if (isatty (fileno (stderr)) == 1) {
/* critical in red */
if (tmp != NULL)
g_printerr ("%c[%dm%s ", 0x1B, 32, tmp);
g_printerr ("%s ", domain->str);
g_printerr ("%c[%dm%s\n%c[%dm", 0x1B, 31, log_message, 0x1B, 0);
} else { /* to file */
if (tmp != NULL)
g_print ("%s ", tmp);
g_print ("%s ", domain->str);
g_print ("%s\n", log_message);
}
break;
default:
/* to screen */
if (isatty (fileno (stdout)) == 1) {
/* debug in blue */
if (tmp != NULL)
g_print ("%c[%dm%s ", 0x1B, 32, tmp);
g_print ("%s ", domain->str);
g_print ("%c[%dm%s\n%c[%dm", 0x1B, 34, log_message, 0x1B, 0);
break;
} else { /* to file */
if (tmp != NULL)
g_print ("%s ", tmp);
g_print ("%s ", domain->str);
g_print ("%s\n", log_message);
}
}
/* success */
return G_LOG_WRITER_HANDLED;
}
static GLogWriterOutput
gs_log_writer_journald (GLogLevelFlags log_level,
const GLogField *fields,
gsize n_fields,
gpointer user_data)
{
/* important enough to force to the journal */
switch (log_level) {
case G_LOG_LEVEL_ERROR:
case G_LOG_LEVEL_CRITICAL:
case G_LOG_LEVEL_WARNING:
case G_LOG_LEVEL_INFO:
return g_log_writer_journald (log_level, fields, n_fields, user_data);
break;
default:
break;
}
return G_LOG_WRITER_UNHANDLED;
}
static GLogWriterOutput
gs_debug_log_writer (GLogLevelFlags log_level,
const GLogField *fields,
gsize n_fields,
gpointer user_data)
{
if (g_log_writer_is_journald (fileno (stderr)))
return gs_log_writer_journald (log_level, fields, n_fields, user_data);
else
return gs_log_writer_console (log_level, fields, n_fields, user_data);
}
static void
gs_debug_finalize (GObject *object)
{
GsDebug *debug = GS_DEBUG (object);
g_mutex_clear (&debug->mutex);
G_OBJECT_CLASS (gs_debug_parent_class)->finalize (object);
}
static void
gs_debug_class_init (GsDebugClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gs_debug_finalize;
}
static void
gs_debug_init (GsDebug *debug)
{
g_mutex_init (&debug->mutex);
debug->use_time = g_getenv ("GS_DEBUG_NO_TIME") == NULL;
g_log_set_writer_func (gs_debug_log_writer,
g_object_ref (debug),
(GDestroyNotify) g_object_unref);
}
GsDebug *
gs_debug_new (void)
{
return GS_DEBUG (g_object_new (GS_TYPE_DEBUG, NULL));
}
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