mirror of git://git.sysmocom.de/ofono
563 lines
12 KiB
C
563 lines
12 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <gdbus.h>
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#define OFONO_SERVICE "org.ofono"
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#define OFONO_MANAGER_INTERFACE OFONO_SERVICE ".Manager"
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#define OFONO_MODEM_INTERFACE OFONO_SERVICE ".Modem"
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#define OFONO_SIM_INTERFACE OFONO_SERVICE ".SimManager"
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struct modem_data {
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char *path;
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DBusConnection *conn;
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guint sim_changed_watch;
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dbus_bool_t has_powered;
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dbus_bool_t has_online;
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dbus_bool_t has_sim;
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};
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static GHashTable *modem_list;
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static gboolean option_online = FALSE;
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static void set_property_reply(DBusPendingCall *call, void *user_data)
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{
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DBusMessage *reply = dbus_pending_call_steal_reply(call);
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DBusError err;
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dbus_error_init(&err);
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if (dbus_set_error_from_message(&err, reply) == TRUE) {
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g_printerr("%s: %s\n", err.name, err.message);
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dbus_error_free(&err);
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}
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dbus_message_unref(reply);
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}
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static int set_property(struct modem_data *modem, const char *key,
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int type, const void *val)
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{
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DBusConnection *conn = modem->conn;
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DBusMessage *msg;
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DBusMessageIter iter, value;
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DBusPendingCall *call;
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const char *signature;
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msg = dbus_message_new_method_call(OFONO_SERVICE, modem->path,
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OFONO_MODEM_INTERFACE, "SetProperty");
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if (msg == NULL)
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return -ENOMEM;
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dbus_message_set_auto_start(msg, FALSE);
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dbus_message_iter_init_append(msg, &iter);
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dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key);
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switch (type) {
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case DBUS_TYPE_BOOLEAN:
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signature = DBUS_TYPE_BOOLEAN_AS_STRING;
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break;
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default:
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dbus_message_unref(msg);
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return -EINVAL;
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}
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dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
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signature, &value);
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dbus_message_iter_append_basic(&value, type, val);
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dbus_message_iter_close_container(&iter, &value);
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if (dbus_connection_send_with_reply(conn, msg, &call, -1) == FALSE) {
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dbus_message_unref(msg);
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return -EIO;
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}
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dbus_message_unref(msg);
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if (call == NULL)
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return -EINVAL;
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dbus_pending_call_set_notify(call, set_property_reply, modem, NULL);
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dbus_pending_call_unref(call);
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return 0;
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}
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static gboolean sim_changed(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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struct modem_data *modem = user_data;
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DBusMessageIter iter, value;
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const char *key;
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if (dbus_message_iter_init(msg, &iter) == FALSE)
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return TRUE;
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dbus_message_iter_get_basic(&iter, &key);
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dbus_message_iter_next(&iter);
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dbus_message_iter_recurse(&iter, &value);
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if (g_str_equal(key, "SubscriberIdentity") == FALSE)
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return TRUE;
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if (modem->has_online == FALSE) {
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dbus_bool_t online = TRUE;
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set_property(modem, "Online", DBUS_TYPE_BOOLEAN, &online);
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}
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return TRUE;
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}
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static void check_interfaces(struct modem_data *modem, DBusMessageIter *iter)
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{
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DBusMessageIter entry;
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dbus_bool_t has_sim = FALSE;
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dbus_message_iter_recurse(iter, &entry);
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while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
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const char *interface;
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dbus_message_iter_get_basic(&entry, &interface);
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if (g_str_equal(interface, OFONO_SIM_INTERFACE) == TRUE)
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has_sim = TRUE;
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dbus_message_iter_next(&entry);
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}
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if (modem->has_sim == has_sim)
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return;
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modem->has_sim = has_sim;
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}
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static void check_property(struct modem_data *modem, const char *key,
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DBusMessageIter *value)
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{
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if (g_str_equal(key, "Interfaces") == TRUE) {
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check_interfaces(modem, value);
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return;
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}
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if (g_str_equal(key, "Powered") == TRUE) {
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dbus_bool_t powered;
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dbus_message_iter_get_basic(value, &powered);
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if (powered == TRUE) {
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g_print("modem enabled (%s)\n", modem->path);
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modem->has_powered = TRUE;
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} else {
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g_print("modem disabled (%s)\n", modem->path);
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if (modem->has_powered == FALSE) {
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powered = TRUE;
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set_property(modem, "Powered",
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DBUS_TYPE_BOOLEAN, &powered);
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}
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}
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} else if (g_str_equal(key, "Online") == TRUE) {
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dbus_bool_t online;
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dbus_message_iter_get_basic(value, &online);
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if (online == TRUE) {
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g_print("modem online (%s)\n", modem->path);
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modem->has_online = TRUE;
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} else
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g_print("modem offline (%s)\n", modem->path);
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} else if (g_str_equal(key, "Lockdown") == TRUE) {
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dbus_bool_t lockdown;
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dbus_message_iter_get_basic(value, &lockdown);
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if (lockdown == TRUE)
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g_print("modem locked (%s)\n", modem->path);
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else
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g_print("modem unlocked (%s)\n", modem->path);
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}
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}
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static void destroy_modem(gpointer data)
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{
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struct modem_data *modem = data;
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g_print("modem removed (%s)\n", modem->path);
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g_dbus_remove_watch(modem->conn, modem->sim_changed_watch);
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dbus_connection_unref(modem->conn);
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g_free(modem->path);
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g_free(modem);
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}
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static void create_modem(DBusConnection *conn,
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const char *path, DBusMessageIter *iter)
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{
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struct modem_data *modem;
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DBusMessageIter dict;
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modem = g_try_new0(struct modem_data, 1);
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if (modem == NULL)
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return;
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modem->path = g_strdup(path);
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modem->conn = dbus_connection_ref(conn);
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modem->sim_changed_watch = g_dbus_add_signal_watch(conn,
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NULL, NULL, OFONO_SIM_INTERFACE,
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"PropertyChanged", sim_changed, modem, NULL);
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g_hash_table_replace(modem_list, modem->path, modem);
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g_print("modem added (%s)\n", modem->path);
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dbus_message_iter_recurse(iter, &dict);
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while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
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DBusMessageIter entry, value;
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const char *key;
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dbus_message_iter_recurse(&dict, &entry);
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dbus_message_iter_get_basic(&entry, &key);
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dbus_message_iter_next(&entry);
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dbus_message_iter_recurse(&entry, &value);
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check_property(modem, key, &value);
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dbus_message_iter_next(&dict);
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}
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}
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static gboolean modem_added(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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DBusMessageIter iter, dict;
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const char *path;
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if (dbus_message_iter_init(msg, &iter) == FALSE)
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return TRUE;
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dbus_message_iter_get_basic(&iter, &path);
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dbus_message_iter_next(&iter);
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dbus_message_iter_recurse(&iter, &dict);
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create_modem(conn, path, &iter);
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return TRUE;
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}
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static gboolean modem_removed(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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DBusMessageIter iter;
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const char *path;
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if (dbus_message_iter_init(msg, &iter) == FALSE)
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return TRUE;
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dbus_message_iter_get_basic(&iter, &path);
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g_hash_table_remove(modem_list, path);
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return TRUE;
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}
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static gboolean modem_changed(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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struct modem_data *modem;
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DBusMessageIter iter, value;
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const char *path, *key;
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if (dbus_message_iter_init(msg, &iter) == FALSE)
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return TRUE;
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path = dbus_message_get_path(msg);
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modem = g_hash_table_lookup(modem_list, path);
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if (modem == NULL)
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return TRUE;
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dbus_message_iter_get_basic(&iter, &key);
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dbus_message_iter_next(&iter);
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dbus_message_iter_recurse(&iter, &value);
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check_property(modem, key, &value);
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return TRUE;
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}
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static void get_modems_reply(DBusPendingCall *call, void *user_data)
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{
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DBusConnection *conn = user_data;
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DBusMessage *reply = dbus_pending_call_steal_reply(call);
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DBusMessageIter iter, list;
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DBusError err;
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dbus_error_init(&err);
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if (dbus_set_error_from_message(&err, reply) == TRUE) {
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g_printerr("%s: %s\n", err.name, err.message);
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dbus_error_free(&err);
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goto done;
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}
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if (dbus_message_has_signature(reply, "a(oa{sv})") == FALSE)
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goto done;
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if (dbus_message_iter_init(reply, &iter) == FALSE)
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goto done;
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dbus_message_iter_recurse(&iter, &list);
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while (dbus_message_iter_get_arg_type(&list) == DBUS_TYPE_STRUCT) {
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DBusMessageIter entry, dict;
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const char *path;
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dbus_message_iter_recurse(&list, &entry);
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dbus_message_iter_get_basic(&entry, &path);
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dbus_message_iter_next(&entry);
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dbus_message_iter_recurse(&entry, &dict);
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create_modem(conn, path, &entry);
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dbus_message_iter_next(&list);
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}
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done:
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dbus_message_unref(reply);
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}
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static int get_modems(DBusConnection *conn)
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{
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DBusMessage *msg;
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DBusPendingCall *call;
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msg = dbus_message_new_method_call(OFONO_SERVICE, "/",
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OFONO_MANAGER_INTERFACE, "GetModems");
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if (msg == NULL)
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return -ENOMEM;
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dbus_message_set_auto_start(msg, FALSE);
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g_print("getting modems\n");
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if (dbus_connection_send_with_reply(conn, msg, &call, -1) == FALSE) {
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dbus_message_unref(msg);
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return -EIO;
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}
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dbus_message_unref(msg);
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if (call == NULL)
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return -EINVAL;
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dbus_pending_call_set_notify(call, get_modems_reply, conn, NULL);
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dbus_pending_call_unref(call);
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return 0;
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}
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static gboolean ofono_running = FALSE;
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static guint modem_added_watch;
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static guint modem_removed_watch;
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static guint modem_changed_watch;
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static void ofono_connect(DBusConnection *conn, void *user_data)
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{
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g_print("starting telephony interface\n");
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ofono_running = TRUE;
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modem_list = g_hash_table_new_full(g_str_hash, g_str_equal,
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NULL, destroy_modem);
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modem_added_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
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OFONO_MANAGER_INTERFACE, "ModemAdded",
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modem_added, NULL, NULL);
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modem_removed_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
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OFONO_MANAGER_INTERFACE, "ModemRemoved",
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modem_removed, NULL, NULL);
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modem_changed_watch = g_dbus_add_signal_watch(conn, NULL, NULL,
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OFONO_MODEM_INTERFACE, "PropertyChanged",
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modem_changed, NULL, NULL);
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get_modems(conn);
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}
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static void ofono_disconnect(DBusConnection *conn, void *user_data)
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{
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g_print("stopping telephony interface\n");
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ofono_running = FALSE;
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g_dbus_remove_watch(conn, modem_added_watch);
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modem_added_watch = 0;
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g_dbus_remove_watch(conn, modem_removed_watch);
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modem_removed_watch = 0;
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g_dbus_remove_watch(conn, modem_changed_watch);
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modem_changed_watch = 0;
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g_hash_table_destroy(modem_list);
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modem_list = NULL;
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}
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static GMainLoop *main_loop = NULL;
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static volatile sig_atomic_t __terminated = 0;
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static void sig_term(int sig)
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{
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if (__terminated > 0)
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return;
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__terminated = 1;
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g_print("Terminating\n");
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g_main_loop_quit(main_loop);
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}
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static void disconnect_callback(DBusConnection *conn, void *user_data)
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{
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g_printerr("D-Bus disconnect\n");
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g_main_loop_quit(main_loop);
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}
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static gboolean option_version = FALSE;
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static GOptionEntry options[] = {
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{ "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
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"Show version information and exit" },
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{ "online", 'o', 0, G_OPTION_ARG_NONE, &option_online,
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"Bring device online if possible" },
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{ NULL },
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};
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int main(int argc, char **argv)
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{
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GOptionContext *context;
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GError *error = NULL;
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DBusConnection *conn;
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DBusError err;
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guint watch;
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struct sigaction sa;
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#ifdef NEED_THREADS
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if (g_thread_supported() == FALSE)
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g_thread_init(NULL);
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#endif
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context = g_option_context_new(NULL);
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g_option_context_add_main_entries(context, options, NULL);
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if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
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if (error != NULL) {
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g_printerr("%s\n", error->message);
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g_error_free(error);
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} else
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g_printerr("An unknown error occurred\n");
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exit(1);
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}
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g_option_context_free(context);
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if (option_version == TRUE) {
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printf("%s\n", VERSION);
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exit(0);
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}
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main_loop = g_main_loop_new(NULL, FALSE);
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#ifdef NEED_THREADS
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if (dbus_threads_init_default() == FALSE) {
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fprintf(stderr, "Can't init usage of threads\n");
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exit(1);
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}
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#endif
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dbus_error_init(&err);
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conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, &err);
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if (conn == NULL) {
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if (dbus_error_is_set(&err) == TRUE) {
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fprintf(stderr, "%s\n", err.message);
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dbus_error_free(&err);
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} else
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fprintf(stderr, "Can't register with system bus\n");
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exit(1);
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}
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g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = sig_term;
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sigaction(SIGINT, &sa, NULL);
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sigaction(SIGTERM, &sa, NULL);
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watch = g_dbus_add_service_watch(conn, OFONO_SERVICE,
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ofono_connect, ofono_disconnect, NULL, NULL);
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g_main_loop_run(main_loop);
|
|
|
|
g_dbus_remove_watch(conn, watch);
|
|
|
|
if (ofono_running == TRUE)
|
|
ofono_disconnect(conn, NULL);
|
|
|
|
dbus_connection_unref(conn);
|
|
|
|
g_main_loop_unref(main_loop);
|
|
|
|
return 0;
|
|
}
|