1
0
Fork 0
gnome-software/lib/gs-debug.c
Daniel Baumann 68ee05b3fd
Adding upstream version 48.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 21:00:23 +02:00

298 lines
8 KiB
C
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* -*- 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-or-later
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include "gs-os-release.h"
#include "gs-debug.h"
struct _GsDebug
{
GObject parent_instance;
gchar **domains; /* (owned) (nullable), read-only after construction, guaranteed to be %NULL if empty */
gboolean verbose; /* (atomic) */
gboolean use_time; /* read-only after construction */
};
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);
gboolean verbose;
const gchar * const *domains = NULL;
const gchar *log_domain = NULL;
const gchar *log_message = NULL;
g_autofree gchar *tmp = NULL;
g_autoptr(GString) domain = NULL;
domains = (const gchar * const *) debug->domains;
verbose = g_atomic_int_get (&debug->verbose);
/* check enabled, fast path without parsing fields */
if ((log_level == G_LOG_LEVEL_DEBUG ||
log_level == G_LOG_LEVEL_INFO) &&
!verbose &&
debug->domains == NULL)
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;
}
}
/* check enabled, slower path */
if ((log_level == G_LOG_LEVEL_DEBUG ||
log_level == G_LOG_LEVEL_INFO) &&
!verbose &&
debug->domains != NULL &&
g_strcmp0 (debug->domains[0], "all") != 0 &&
(log_domain == NULL || !g_strv_contains (domains, log_domain)))
return G_LOG_WRITER_HANDLED;
/* this is really verbose */
if ((g_strcmp0 (log_domain, "dconf") == 0 ||
g_strcmp0 (log_domain, "GLib-GIO") == 0 ||
g_strcmp0 (log_domain, "GLib-Net") == 0 ||
g_strcmp0 (log_domain, "GdkPixbuf") == 0) &&
log_level == G_LOG_LEVEL_DEBUG)
return G_LOG_WRITER_HANDLED;
/* time header */
if (debug->use_time) {
g_autoptr(GDateTime) dt = g_date_time_new_now_utc ();
tmp = g_strdup_printf ("%02i:%02i:%02i:%03i",
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);
}
/* 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_printerr ("%s ", tmp);
g_printerr ("%s ", domain->str);
g_printerr ("%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)
{
GsDebug *debug = GS_DEBUG (user_data);
switch (log_level) {
case G_LOG_LEVEL_ERROR:
case G_LOG_LEVEL_CRITICAL:
case G_LOG_LEVEL_WARNING:
case G_LOG_LEVEL_MESSAGE:
/* important enough to force to the journal */
return g_log_writer_journald (log_level, fields, n_fields, user_data);
break;
case G_LOG_LEVEL_INFO:
case G_LOG_LEVEL_DEBUG:
/* Not important enough unless verbose mode has been explicitly
* enabled. */
if (g_atomic_int_get (&debug->verbose))
return g_log_writer_journald (log_level, fields, n_fields, user_data);
else
return G_LOG_WRITER_HANDLED;
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_clear_pointer (&debug->domains, g_strfreev);
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_log_set_writer_func (gs_debug_log_writer,
g_object_ref (debug),
(GDestroyNotify) g_object_unref);
}
/**
* gs_debug_new:
* @domains: (transfer full) (nullable): a #GStrv of debug log domains to output,
* or `{ "all", NULL }` to output all debug log domains; %NULL is equivalent
* to an empty array
* @verbose: whether to output log debug messages
* @use_time: whether to output a timestamp with each log message
*
* Create a new #GsDebug with the given configuration.
*
* Ownership of @domains is transferred to this function. It will be freed with
* g_strfreev() when the #GsDebug is destroyed.
*
* Returns: (transfer full): a new #GsDebug
* Since: 40
*/
GsDebug *
gs_debug_new (gchar **domains,
gboolean verbose,
gboolean use_time)
{
g_autoptr(GsDebug) debug = g_object_new (GS_TYPE_DEBUG, NULL);
/* Strictly speaking these should be set before g_log_set_writer_func()
* is called, but threads probably havent been started at this point. */
debug->domains = (domains != NULL && domains[0] != NULL) ? g_steal_pointer (&domains) : NULL;
debug->verbose = verbose;
debug->use_time = use_time;
return g_steal_pointer (&debug);
}
/**
* gs_debug_new_from_environment:
*
* Create a new #GsDebug with its configuration loaded from environment
* variables.
*
* Returns: (transfer full): a new #GsDebug
* Since: 40
*/
GsDebug *
gs_debug_new_from_environment (void)
{
g_auto(GStrv) domains = NULL;
gboolean verbose, use_time;
if (g_getenv ("G_MESSAGES_DEBUG") != NULL) {
domains = g_strsplit (g_getenv ("G_MESSAGES_DEBUG"), " ", -1);
if (domains[0] == NULL)
g_clear_pointer (&domains, g_strfreev);
}
verbose = (g_getenv ("GS_DEBUG") != NULL);
use_time = (g_getenv ("GS_DEBUG_NO_TIME") == NULL);
return gs_debug_new (g_steal_pointer (&domains), verbose, use_time);
}
/**
* gs_debug_set_verbose:
* @self: a #GsDebug
* @verbose: whether to output log debug messages
*
* Enable or disable verbose logging mode.
*
* This can be called at any time, from any thread.
*
* Since: 40
*/
void
gs_debug_set_verbose (GsDebug *self,
gboolean verbose)
{
g_return_if_fail (GS_IS_DEBUG (self));
/* If were changing from !verbose → verbose, print OS information.
* This is helpful in verbose logs when people file bug reports. */
if (g_atomic_int_compare_and_exchange (&self->verbose, !verbose, verbose) &&
verbose) {
g_autoptr(GsOsRelease) os_release = NULL;
g_autoptr(GError) error = NULL;
g_debug (PACKAGE_NAME " " PACKAGE_VERSION);
os_release = gs_os_release_new (&error);
if (os_release) {
g_debug ("OS: %s; %s",
gs_os_release_get_name (os_release),
gs_os_release_get_version (os_release));
} else {
g_debug ("Failed to get OS Release information: %s", error->message);
}
}
}