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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2007-2010 David Zeuthen <zeuthen@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <glib-unix.h>
#include "udiskslogging.h"
#include "udisksdaemontypes.h"
#include "udisksdaemon.h"
/* ---------------------------------------------------------------------------------------------------- */
static GMainLoop *loop = NULL;
static gboolean opt_replace = FALSE;
static gboolean opt_no_debug = FALSE;
static gboolean opt_no_sigint = FALSE;
static GOptionEntry opt_entries[] =
{
{"replace", 'r', 0, G_OPTION_ARG_NONE, &opt_replace, "Replace existing daemon", NULL},
{"no-debug", 'n', 0, G_OPTION_ARG_NONE, &opt_no_debug, "Don't print debug information on stdout/stderr", NULL},
{"no-sigint", 's', 0, G_OPTION_ARG_NONE, &opt_no_sigint, "Do not handle SIGINT for controlled shutdown", NULL},
{NULL }
};
static UDisksDaemon *the_daemon = NULL;
static void
on_bus_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
the_daemon = udisks_daemon_new (connection);
udisks_debug ("Connected to the system bus");
}
static void
on_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
if (the_daemon == NULL)
{
udisks_error ("Failed to connect to the system message bus");
}
else
{
udisks_info ("Lost (or failed to acquire) the name %s on the system message bus", name);
}
g_main_loop_quit (loop);
}
static void
on_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
udisks_notice ("Acquired the name %s on the system message bus", name);
}
static gboolean
on_sigint (gpointer user_data)
{
udisks_info ("Caught SIGINT. Initiating shutdown");
g_main_loop_quit (loop);
return FALSE;
}
int
main (int argc,
char **argv)
{
GError *error;
GOptionContext *opt_context;
gint ret;
guint name_owner_id;
guint sigint_id;
ret = 1;
loop = NULL;
opt_context = NULL;
name_owner_id = 0;
sigint_id = 0;
/* avoid gvfs (http://bugzilla.gnome.org/show_bug.cgi?id=526454) */
if (!g_setenv ("GIO_USE_VFS", "local", TRUE))
{
g_printerr ("Error setting GIO_USE_GVFS\n");
goto out;
}
opt_context = g_option_context_new ("udisks storage daemon");
g_option_context_add_main_entries (opt_context, opt_entries, NULL);
error = NULL;
if (!g_option_context_parse (opt_context, &argc, &argv, &error))
{
g_printerr ("Error parsing options: %s\n", error->message);
g_error_free (error);
goto out;
}
/* TODO: this hammer is too big - it would be a lot better to configure the
* logging routines and avoid printf(3) overhead and so on
*/
if (opt_no_debug)
{
gint dev_null_fd;
dev_null_fd = open ("/dev/null", O_RDWR);
if (dev_null_fd >= 0)
{
dup2 (dev_null_fd, STDIN_FILENO);
dup2 (dev_null_fd, STDOUT_FILENO);
dup2 (dev_null_fd, STDERR_FILENO);
close (dev_null_fd);
}
else
{
udisks_warning ("Error opening /dev/null: %m");
}
}
if (g_getenv ("PATH") == NULL)
g_setenv ("PATH", "/usr/bin:/bin:/usr/sbin:/sbin", TRUE);
udisks_notice ("udisks daemon version %s starting", PACKAGE_VERSION);
loop = g_main_loop_new (NULL, FALSE);
sigint_id = 0;
if (!opt_no_sigint)
{
sigint_id = g_unix_signal_add_full (G_PRIORITY_DEFAULT,
SIGINT,
on_sigint,
NULL, /* user_data */
NULL); /* GDestroyNotify */
}
name_owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
"org.freedesktop.UDisks2",
G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
(opt_replace ? G_BUS_NAME_OWNER_FLAGS_REPLACE : 0),
on_bus_acquired,
on_name_acquired,
on_name_lost,
NULL,
NULL);
udisks_debug ("Entering main event loop");
g_main_loop_run (loop);
ret = 0;
out:
if (sigint_id > 0)
g_source_remove (sigint_id);
if (the_daemon != NULL)
g_object_unref (the_daemon);
if (name_owner_id != 0)
g_bus_unown_name (name_owner_id);
if (loop != NULL)
g_main_loop_unref (loop);
if (opt_context != NULL)
g_option_context_free (opt_context);
udisks_notice ("udisks daemon version %s exiting", PACKAGE_VERSION);
return ret;
}
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