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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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:
*
* Copyright (C) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 - 2011 Red Hat, Inc.
*/
#include <config.h>
#include <signal.h>
#include <syslog.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <gio/gio.h>
#include <glib-unix.h>
#include "ModemManager.h"
#include "mm-manager.h"
#include "mm-log.h"
#include "mm-context.h"
#if !defined(MM_DIST_VERSION)
# define MM_DIST_VERSION VERSION
#endif
/* Maximum time to wait for all modems to get disabled and removed */
#define MAX_SHUTDOWN_TIME_SECS 20
static GMainLoop *loop;
static MMManager *manager;
static gboolean
quit_cb (gpointer user_data)
{
mm_info ("Caught signal, shutting down...");
if (loop)
g_idle_add ((GSourceFunc) g_main_loop_quit, loop);
else
_exit (0);
return FALSE;
}
static void
bus_acquired_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
GError *error = NULL;
mm_dbg ("Bus acquired, creating manager...");
/* Create Manager object */
g_assert (!manager);
manager = mm_manager_new (connection, &error);
if (!manager) {
mm_warn ("Could not create manager: %s", error->message);
g_error_free (error);
g_main_loop_quit (loop);
return;
}
}
static void
name_acquired_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
mm_dbg ("Service name '%s' was acquired", name);
/* Launch automatic scan for devices */
g_assert (manager);
mm_manager_start (manager, FALSE);
}
static void
name_lost_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
/* Note that we're not allowing replacement, so once the name acquired, the
* process won't lose it. */
if (!name)
mm_warn ("Could not get the system bus. Make sure "
"the message bus daemon is running!");
else
mm_warn ("Could not acquire the '%s' service name", name);
g_main_loop_quit (loop);
}
int
main (int argc, char *argv[])
{
GMainLoop *inner;
GError *err = NULL;
guint name_id;
g_type_init ();
/* Setup application context */
mm_context_init (argc, argv);
if (!mm_log_setup (mm_context_get_log_level (),
mm_context_get_log_file (),
mm_context_get_timestamps (),
mm_context_get_relative_timestamps (),
mm_context_get_debug (),
&err)) {
g_warning ("Failed to set up logging: %s", err->message);
g_error_free (err);
exit (1);
}
g_unix_signal_add (SIGTERM, quit_cb, NULL);
g_unix_signal_add (SIGINT, quit_cb, NULL);
mm_info ("ModemManager (version " MM_DIST_VERSION ") starting...");
/* Acquire name, don't allow replacement */
name_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
MM_DBUS_SERVICE,
G_BUS_NAME_OWNER_FLAGS_NONE,
bus_acquired_cb,
name_acquired_cb,
name_lost_cb,
NULL,
NULL);
/* Go into the main loop */
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
/* Clear the global variable, so that subsequent requests to
* exit succeed. */
inner = loop;
loop = NULL;
if (manager) {
GTimer *timer;
mm_manager_shutdown (manager);
/* Wait for all modems to be disabled and removed, but don't wait
* forever: if disabling the modems takes longer than 20s, just
* shutdown anyway. */
timer = g_timer_new ();
while (mm_manager_num_modems (manager) &&
g_timer_elapsed (timer, NULL) < (gdouble)MAX_SHUTDOWN_TIME_SECS) {
GMainContext *ctx = g_main_loop_get_context (inner);
g_main_context_iteration (ctx, FALSE);
g_usleep (50);
}
if (mm_manager_num_modems (manager))
mm_warn ("Disabling modems took too long, "
"shutting down with '%u' modems around",
mm_manager_num_modems (manager));
g_object_unref (manager);
g_timer_destroy (timer);
}
g_main_loop_unref (inner);
g_bus_unown_name (name_id);
mm_info ("ModemManager is shut down");
mm_log_shutdown ();
return 0;
}
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