1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/* -*- 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 <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include <stdlib.h>
#include "mm-manager.h"
#include "mm-log.h"
#if !defined(MM_DIST_VERSION)
# define MM_DIST_VERSION VERSION
#endif
static GMainLoop *loop = NULL;
static void
mm_signal_handler (int signo)
{
if (signo == SIGUSR1)
mm_log_usr1 ();
else if (signo == SIGINT || signo == SIGTERM) {
mm_info ("Caught signal %d, shutting down...", signo);
if (loop)
g_main_loop_quit (loop);
else
_exit (0);
}
}
static void
setup_signals (void)
{
struct sigaction action;
sigset_t mask;
sigemptyset (&mask);
action.sa_handler = mm_signal_handler;
action.sa_mask = mask;
action.sa_flags = 0;
sigaction (SIGUSR1, &action, NULL);
sigaction (SIGTERM, &action, NULL);
sigaction (SIGINT, &action, NULL);
}
static void
destroy_cb (DBusGProxy *proxy, gpointer user_data)
{
mm_warn ("disconnected from the system bus, exiting.");
g_main_loop_quit (loop);
}
static DBusGProxy *
create_dbus_proxy (DBusGConnection *bus)
{
DBusGProxy *proxy;
GError *err = NULL;
int request_name_result;
proxy = dbus_g_proxy_new_for_name (bus,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (proxy, "RequestName", &err,
G_TYPE_STRING, MM_DBUS_SERVICE,
G_TYPE_UINT, DBUS_NAME_FLAG_DO_NOT_QUEUE,
G_TYPE_INVALID,
G_TYPE_UINT, &request_name_result,
G_TYPE_INVALID)) {
mm_warn ("Could not acquire the %s service.\n"
" Message: '%s'", MM_DBUS_SERVICE, err->message);
g_error_free (err);
g_object_unref (proxy);
proxy = NULL;
} else if (request_name_result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
mm_warn ("Could not acquire the " MM_DBUS_SERVICE
" service as it is already taken. Return: %d",
request_name_result);
g_object_unref (proxy);
proxy = NULL;
} else {
dbus_g_proxy_add_signal (proxy, "NameOwnerChanged",
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_INVALID);
}
return proxy;
}
static gboolean
start_manager (gpointer user_data)
{
mm_manager_start (MM_MANAGER (user_data));
return FALSE;
}
int
main (int argc, char *argv[])
{
DBusGConnection *bus;
DBusGProxy *proxy;
MMManager *manager;
GError *err = NULL;
GOptionContext *opt_ctx;
guint id;
const char *log_level = NULL, *log_file = NULL;
gboolean debug = FALSE, show_ts = FALSE, rel_ts = FALSE;
GOptionEntry entries[] = {
{ "debug", 0, 0, G_OPTION_ARG_NONE, &debug, "Output to console rather than syslog", NULL },
{ "log-level", 0, 0, G_OPTION_ARG_STRING, &log_level, "Log level: one of [ERR, WARN, INFO, DEBUG]", "INFO" },
{ "log-file", 0, 0, G_OPTION_ARG_STRING, &log_file, "Path to log file", NULL },
{ "timestamps", 0, 0, G_OPTION_ARG_NONE, &show_ts, "Show timestamps in log output", NULL },
{ "relative-timestamps", 0, 0, G_OPTION_ARG_NONE, &rel_ts, "Use relative timestamps (from MM start)", NULL },
{ NULL }
};
g_type_init ();
opt_ctx = g_option_context_new (NULL);
g_option_context_set_summary (opt_ctx, "DBus system service to communicate with modems.");
g_option_context_add_main_entries (opt_ctx, entries, NULL);
if (!g_option_context_parse (opt_ctx, &argc, &argv, &err)) {
g_warning ("%s\n", err->message);
g_error_free (err);
exit (1);
}
g_option_context_free (opt_ctx);
if (debug) {
log_level = "DEBUG";
if (!show_ts && !rel_ts)
show_ts = TRUE;
}
if (!mm_log_setup (log_level, log_file, show_ts, rel_ts, &err)) {
g_warning ("Failed to set up logging: %s", err->message);
g_error_free (err);
exit (1);
}
setup_signals ();
mm_info ("ModemManager (version " MM_DIST_VERSION ") starting...");
bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &err);
if (!bus) {
g_warning ("Could not get the system bus. Make sure "
"the message bus daemon is running! Message: %s",
err->message);
g_error_free (err);
return -1;
}
#ifndef HAVE_DBUS_GLIB_DISABLE_LEGACY_PROP_ACCESS
#error HAVE_DBUS_GLIB_DISABLE_LEGACY_PROP_ACCESS not defined
#endif
#if HAVE_DBUS_GLIB_DISABLE_LEGACY_PROP_ACCESS
/* Ensure that non-exported properties don't leak out, and that the
* introspection 'access' permissions are respected.
*/
dbus_glib_global_set_disable_legacy_property_access ();
#endif
proxy = create_dbus_proxy (bus);
if (!proxy)
return -1;
manager = mm_manager_new (bus);
g_idle_add (start_manager, manager);
loop = g_main_loop_new (NULL, FALSE);
id = g_signal_connect (proxy, "destroy", G_CALLBACK (destroy_cb), loop);
g_main_loop_run (loop);
g_signal_handler_disconnect (proxy, id);
mm_manager_shutdown (manager);
/* Wait for all modems to be removed */
while (mm_manager_num_modems (manager)) {
GMainContext *ctx = g_main_loop_get_context (loop);
g_main_context_iteration (ctx, FALSE);
g_usleep (50);
}
g_object_unref (manager);
g_object_unref (proxy);
dbus_g_connection_unref (bus);
mm_log_shutdown ();
return 0;
}
|
