mirror of git://git.sysmocom.de/ofono
336 lines
7.8 KiB
C
336 lines
7.8 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* Copyright (C) 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 <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <glib.h>
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#include <gdbus.h>
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#include "ofono.h"
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#include "common.h"
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#define CTM_FLAG_CACHED 0x1
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static GSList *g_drivers = NULL;
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struct ofono_ctm {
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DBusMessage *pending;
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int flags;
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ofono_bool_t enabled;
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const struct ofono_ctm_driver *driver;
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void *driver_data;
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struct ofono_atom *atom;
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};
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static DBusMessage *ctm_get_properties_reply(DBusMessage *msg,
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struct ofono_ctm *ctm)
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{
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DBusMessage *reply;
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DBusMessageIter iter;
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DBusMessageIter dict;
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dbus_bool_t value;
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reply = dbus_message_new_method_return(msg);
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if (reply == NULL)
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return NULL;
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dbus_message_iter_init_append(reply, &iter);
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dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
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OFONO_PROPERTIES_ARRAY_SIGNATURE,
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&dict);
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value = ctm->enabled;
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ofono_dbus_dict_append(&dict, "Enabled", DBUS_TYPE_BOOLEAN, &value);
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dbus_message_iter_close_container(&iter, &dict);
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return reply;
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}
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static void ctm_signal_enabled(struct ofono_ctm *ctm)
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{
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DBusConnection *conn = ofono_dbus_get_connection();
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const char *path = __ofono_atom_get_path(ctm->atom);
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ofono_bool_t value = ctm->enabled;
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ofono_dbus_signal_property_changed(conn, path,
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OFONO_TEXT_TELEPHONY_INTERFACE,
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"Enabled",
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DBUS_TYPE_BOOLEAN, &value);
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}
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static void ctm_set_enabled_callback(const struct ofono_error *error,
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void *data)
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{
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struct ofono_ctm *ctm = data;
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DBusMessage *reply;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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DBG("Error setting ctm enabled property");
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reply = __ofono_error_failed(ctm->pending);
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__ofono_dbus_pending_reply(&ctm->pending, reply);
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return;
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}
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ctm->enabled = !ctm->enabled;
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reply = dbus_message_new_method_return(ctm->pending);
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__ofono_dbus_pending_reply(&ctm->pending, reply);
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ctm_signal_enabled(ctm);
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}
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static void ctm_query_enabled_callback(const struct ofono_error *error,
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ofono_bool_t enable, void *data)
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{
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struct ofono_ctm *ctm = data;
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DBusMessage *reply;
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ofono_bool_t enabled_old;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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DBusMessage *reply;
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DBG("Error during ctm enabled query");
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reply = __ofono_error_failed(ctm->pending);
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__ofono_dbus_pending_reply(&ctm->pending, reply);
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return;
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}
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ctm->flags |= CTM_FLAG_CACHED;
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enabled_old = ctm->enabled;
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ctm->enabled = enable;
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reply = ctm_get_properties_reply(ctm->pending, ctm);
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__ofono_dbus_pending_reply(&ctm->pending, reply);
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if (ctm->enabled != enabled_old)
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ctm_signal_enabled(ctm);
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}
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static DBusMessage *ctm_get_properties(DBusConnection *conn,
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DBusMessage *msg, void *data)
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{
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struct ofono_ctm *ctm = data;
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if (ctm->flags & CTM_FLAG_CACHED)
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return ctm_get_properties_reply(msg, ctm);
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if (ctm->pending)
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return __ofono_error_busy(msg);
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ctm->pending = dbus_message_ref(msg);
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ctm->driver->query_tty(ctm, ctm_query_enabled_callback, ctm);
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return NULL;
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}
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static DBusMessage *ctm_set_property(DBusConnection *conn, DBusMessage *msg,
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void *data)
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{
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struct ofono_ctm *ctm = data;
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DBusMessageIter iter;
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DBusMessageIter var;
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const char *property;
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if (ctm->pending)
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return __ofono_error_busy(msg);
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if (!dbus_message_iter_init(msg, &iter))
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return __ofono_error_invalid_args(msg);
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if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return __ofono_error_invalid_args(msg);
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dbus_message_iter_get_basic(&iter, &property);
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dbus_message_iter_next(&iter);
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if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
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return __ofono_error_invalid_args(msg);
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dbus_message_iter_recurse(&iter, &var);
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if (g_strcmp0(property, "Enabled") == 0) {
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dbus_bool_t value;
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int target;
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if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_BOOLEAN)
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return __ofono_error_invalid_args(msg);
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dbus_message_iter_get_basic(&var, &value);
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target = value;
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if (ctm->enabled == target)
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return dbus_message_new_method_return(msg);
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ctm->pending = dbus_message_ref(msg);
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ctm->driver->set_tty(ctm, target,
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ctm_set_enabled_callback, ctm);
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return NULL;
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}
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return __ofono_error_invalid_args(msg);
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}
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static const GDBusMethodTable ctm_methods[] = {
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{ GDBUS_ASYNC_METHOD("GetProperties",
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NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
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ctm_get_properties) },
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{ GDBUS_ASYNC_METHOD("SetProperty",
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GDBUS_ARGS({ "property", "s" }, { "value", "v" }), NULL,
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ctm_set_property) },
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{ }
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};
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static const GDBusSignalTable ctm_signals[] = {
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{ GDBUS_SIGNAL("PropertyChanged",
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GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
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{ }
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};
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int ofono_ctm_driver_register(const struct ofono_ctm_driver *d)
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{
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DBG("driver: %p, name: %s", d, d->name);
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if (d == NULL || d->probe == NULL)
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return -EINVAL;
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g_drivers = g_slist_prepend(g_drivers, (void *)d);
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return 0;
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}
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void ofono_ctm_driver_unregister(const struct ofono_ctm_driver *d)
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{
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DBG("driver: %p, name: %s", d, d->name);
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if (d == NULL)
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return;
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g_drivers = g_slist_remove(g_drivers, (void *)d);
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}
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static void text_telephony_unregister(struct ofono_atom *atom)
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{
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struct ofono_ctm *ctm = __ofono_atom_get_data(atom);
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const char *path = __ofono_atom_get_path(ctm->atom);
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DBusConnection *conn = ofono_dbus_get_connection();
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struct ofono_modem *modem = __ofono_atom_get_modem(ctm->atom);
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ofono_modem_remove_interface(modem, OFONO_TEXT_TELEPHONY_INTERFACE);
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g_dbus_unregister_interface(conn, path, OFONO_TEXT_TELEPHONY_INTERFACE);
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}
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static void text_telephony_remove(struct ofono_atom *atom)
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{
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struct ofono_ctm *ctm = __ofono_atom_get_data(atom);
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DBG("atom: %p", atom);
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if (ctm == NULL)
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return;
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if (ctm->driver && ctm->driver->remove)
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ctm->driver->remove(ctm);
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g_free(ctm);
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}
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struct ofono_ctm *ofono_ctm_create(struct ofono_modem *modem,
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unsigned int vendor,
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const char *driver, void *data)
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{
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struct ofono_ctm *ctm;
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GSList *l;
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if (driver == NULL)
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return NULL;
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ctm = g_try_new0(struct ofono_ctm, 1);
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if (ctm == NULL)
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return NULL;
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ctm->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_CTM,
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text_telephony_remove, ctm);
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for (l = g_drivers; l; l = l->next) {
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const struct ofono_ctm_driver *drv = l->data;
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if (g_strcmp0(drv->name, driver) != 0)
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continue;
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if (drv->probe(ctm, vendor, data) < 0)
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continue;
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ctm->driver = drv;
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break;
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}
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return ctm;
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}
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void ofono_ctm_register(struct ofono_ctm *ctm)
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{
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DBusConnection *conn = ofono_dbus_get_connection();
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struct ofono_modem *modem = __ofono_atom_get_modem(ctm->atom);
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const char *path = __ofono_atom_get_path(ctm->atom);
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if (!g_dbus_register_interface(conn, path,
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OFONO_TEXT_TELEPHONY_INTERFACE,
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ctm_methods, ctm_signals,
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NULL, ctm, NULL)) {
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ofono_error("Could not create %s interface",
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OFONO_TEXT_TELEPHONY_INTERFACE);
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return;
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}
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ofono_modem_add_interface(modem, OFONO_TEXT_TELEPHONY_INTERFACE);
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__ofono_atom_register(ctm->atom, text_telephony_unregister);
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}
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void ofono_ctm_remove(struct ofono_ctm *ctm)
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{
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__ofono_atom_free(ctm->atom);
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}
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void ofono_ctm_set_data(struct ofono_ctm *ctm, void *data)
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{
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ctm->driver_data = data;
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}
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void *ofono_ctm_get_data(struct ofono_ctm *ctm)
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{
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return ctm->driver_data;
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}
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