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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; 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, 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2006 - 2008 Novell, Inc.
* Copyright (C) 2008 - 2014 Red Hat, Inc.
*
*/
/*
* nm-online.c - Are we online?
*
* Return values:
*
* 0 : already online or connection established within given timeout
* 1 : offline or not online within given timeout
* 2 : unspecified error
*
* Robert Love <rml@novell.com>
*/
#include "nm-default.h"
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <locale.h>
#include "NetworkManager.h"
#define PROGRESS_STEPS 15
#define WAIT_STARTUP_TAG "wait-startup"
typedef struct
{
gint64 start_timestamp_ms;
gint64 end_timestamp_ms;
gint64 progress_step_duration;
gboolean quiet;
} Timeout;
static void
client_properties_changed (GObject *object,
GParamSpec *pspec,
gpointer loop)
{
NMClient *client = NM_CLIENT (object);
NMState state;
gboolean wait_startup = GPOINTER_TO_UINT (g_object_get_data (object, WAIT_STARTUP_TAG));
if (!nm_client_get_nm_running (client))
return;
if (wait_startup) {
if (!nm_client_get_startup (client))
g_main_loop_quit (loop);
} else {
state = nm_client_get_state (client);
if ( state == NM_STATE_CONNECTED_LOCAL
|| state == NM_STATE_CONNECTED_SITE
|| state == NM_STATE_CONNECTED_GLOBAL)
g_main_loop_quit (loop);
}
}
static gboolean
handle_timeout (gpointer data)
{
const Timeout *timeout = data;
const gint64 now = g_get_monotonic_time () / (G_USEC_PER_SEC / 1000);
gint64 remaining_ms = timeout->end_timestamp_ms - now;
const gint64 elapsed_ms = now - timeout->start_timestamp_ms;
int progress_next_step_i = 0;
if (!timeout->quiet) {
int i;
/* calculate the next step (not the current): floor()+1 */
progress_next_step_i = (elapsed_ms / timeout->progress_step_duration) + 1;
progress_next_step_i = MIN (progress_next_step_i, PROGRESS_STEPS);
g_print ("\r%s", _("Connecting"));
for (i = 0; i < PROGRESS_STEPS; i++)
putchar (i < progress_next_step_i ? '.' : ' ');
g_print (" %4lds", (long) (MAX (0, remaining_ms) / 1000));
fflush (stdout);
}
if (remaining_ms <= 3) {
if (!timeout->quiet)
g_print ("\n");
exit (1);
}
if (!timeout->quiet) {
gint64 rem;
/* synchronize the timeout with the ticking of the seconds. */
rem = remaining_ms % 1000;
if (rem <= 3)
rem = rem + G_USEC_PER_SEC;
rem = rem + 10; /* add small offset to awake a bit after the second ticks */
if (remaining_ms > rem)
remaining_ms = rem;
/* synchronize the timeout with the steps of the progress bar. */
rem = (progress_next_step_i * timeout->progress_step_duration) - elapsed_ms;
if (rem <= 3)
rem = rem + timeout->progress_step_duration;
rem = rem + 10; /* add small offset to awake a bit after the time out */
if (remaining_ms > rem)
remaining_ms = rem;
}
g_timeout_add (remaining_ms, handle_timeout, (void *) timeout);
return G_SOURCE_REMOVE;
}
int
main (int argc, char *argv[])
{
int t_secs = 30;
gboolean exit_no_nm = FALSE;
gboolean wait_startup = FALSE;
Timeout timeout;
GOptionContext *opt_ctx = NULL;
gboolean success;
NMClient *client;
NMState state = NM_STATE_UNKNOWN;
GMainLoop *loop;
gint64 remaining_ms;
GError *error = NULL;
GOptionEntry options[] = {
{"timeout", 't', 0, G_OPTION_ARG_INT, &t_secs, N_("Time to wait for a connection, in seconds (without the option, default value is 30)"), "<timeout>"},
{"exit", 'x', 0, G_OPTION_ARG_NONE, &exit_no_nm, N_("Exit immediately if NetworkManager is not running or connecting"), NULL},
{"quiet", 'q', 0, G_OPTION_ARG_NONE, &timeout.quiet, N_("Don't print anything"), NULL},
{"wait-for-startup", 's', 0, G_OPTION_ARG_NONE, &wait_startup, N_("Wait for NetworkManager startup instead of a connection"), NULL},
{NULL}
};
timeout.start_timestamp_ms = g_get_monotonic_time () / (G_USEC_PER_SEC / 1000);
timeout.quiet = FALSE;
/* Set locale to be able to use environment variables */
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, NMLOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
opt_ctx = g_option_context_new (NULL);
g_option_context_set_translation_domain (opt_ctx, GETTEXT_PACKAGE);
g_option_context_set_ignore_unknown_options (opt_ctx, FALSE);
g_option_context_set_help_enabled (opt_ctx, TRUE);
g_option_context_add_main_entries (opt_ctx, options, NULL);
g_option_context_set_summary (opt_ctx,
_("Waits for NetworkManager to finish activating startup network connections."));
success = g_option_context_parse (opt_ctx, &argc, &argv, NULL);
g_option_context_free (opt_ctx);
if (!success) {
g_printerr ("%s: %s\n", argv[0],
_("Invalid option. Please use --help to see a list of valid options."));
return 2;
}
if (t_secs < 0 || t_secs > 3600) {
g_printerr ("%s: %s\n", argv[0],
_("Invalid option. Please use --help to see a list of valid options."));
return 2;
}
remaining_ms = t_secs * 1000;
nm_g_type_init ();
client = nm_client_new (NULL, &error);
if (!client) {
g_printerr (_("Error: Could not create NMClient object: %s."), error->message);
g_error_free (error);
return 2;
}
loop = g_main_loop_new (NULL, FALSE);
g_object_set_data (G_OBJECT (client), WAIT_STARTUP_TAG, GUINT_TO_POINTER (wait_startup));
state = nm_client_get_state (client);
if (!nm_client_get_nm_running (client)) {
if (exit_no_nm) {
g_object_unref (client);
return 1;
}
} else if (wait_startup) {
if (!nm_client_get_startup (client)) {
g_object_unref (client);
return 0;
}
} else {
if ( state == NM_STATE_CONNECTED_LOCAL
|| state == NM_STATE_CONNECTED_SITE
|| state == NM_STATE_CONNECTED_GLOBAL) {
g_object_unref (client);
return 0;
}
}
if (exit_no_nm && (state != NM_STATE_CONNECTING)) {
g_object_unref (client);
return 1;
}
if (remaining_ms == 0) {
g_object_unref (client);
return 1;
}
g_signal_connect (client, "notify",
G_CALLBACK (client_properties_changed), loop);
timeout.end_timestamp_ms = timeout.start_timestamp_ms + remaining_ms;
timeout.progress_step_duration = (timeout.end_timestamp_ms - timeout.start_timestamp_ms + PROGRESS_STEPS/2) / PROGRESS_STEPS;
g_timeout_add (timeout.quiet ? remaining_ms : 0,
handle_timeout, &timeout);
g_main_loop_run (loop);
g_main_loop_unref (loop);
g_object_unref (client);
return 0;
}
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