| /* |
| * |
| * oFono - Open Source Telephony |
| * |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 2011 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * 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 St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <string.h> |
| #include <stdio.h> |
| #include <errno.h> |
| |
| #include <glib.h> |
| #include <gdbus.h> |
| |
| #include "ofono.h" |
| #include "common.h" |
| |
| #define CTM_FLAG_CACHED 0x1 |
| |
| static GSList *g_drivers = NULL; |
| |
| struct ofono_ctm { |
| DBusMessage *pending; |
| int flags; |
| ofono_bool_t enabled; |
| const struct ofono_ctm_driver *driver; |
| void *driver_data; |
| struct ofono_atom *atom; |
| }; |
| |
| static DBusMessage *ctm_get_properties_reply(DBusMessage *msg, |
| struct ofono_ctm *ctm) |
| { |
| DBusMessage *reply; |
| DBusMessageIter iter; |
| DBusMessageIter dict; |
| dbus_bool_t value; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (reply == NULL) |
| return NULL; |
| |
| dbus_message_iter_init_append(reply, &iter); |
| dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, |
| OFONO_PROPERTIES_ARRAY_SIGNATURE, |
| &dict); |
| |
| value = ctm->enabled; |
| ofono_dbus_dict_append(&dict, "Enabled", DBUS_TYPE_BOOLEAN, &value); |
| dbus_message_iter_close_container(&iter, &dict); |
| |
| return reply; |
| } |
| |
| static void ctm_signal_enabled(struct ofono_ctm *ctm) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| const char *path = __ofono_atom_get_path(ctm->atom); |
| ofono_bool_t value = ctm->enabled; |
| |
| ofono_dbus_signal_property_changed(conn, path, |
| OFONO_TEXT_TELEPHONY_INTERFACE, |
| "Enabled", |
| DBUS_TYPE_BOOLEAN, &value); |
| } |
| |
| static void ctm_set_enabled_callback(const struct ofono_error *error, |
| void *data) |
| { |
| struct ofono_ctm *ctm = data; |
| DBusMessage *reply; |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| DBG("Error setting ctm enabled property"); |
| |
| reply = __ofono_error_failed(ctm->pending); |
| __ofono_dbus_pending_reply(&ctm->pending, reply); |
| |
| return; |
| } |
| |
| ctm->enabled = !ctm->enabled; |
| |
| reply = dbus_message_new_method_return(ctm->pending); |
| __ofono_dbus_pending_reply(&ctm->pending, reply); |
| |
| ctm_signal_enabled(ctm); |
| } |
| |
| static void ctm_query_enabled_callback(const struct ofono_error *error, |
| ofono_bool_t enable, void *data) |
| { |
| struct ofono_ctm *ctm = data; |
| DBusMessage *reply; |
| ofono_bool_t enabled_old; |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| DBG("Error during ctm enabled query"); |
| |
| reply = __ofono_error_failed(ctm->pending); |
| __ofono_dbus_pending_reply(&ctm->pending, reply); |
| |
| return; |
| } |
| |
| ctm->flags |= CTM_FLAG_CACHED; |
| |
| enabled_old = ctm->enabled; |
| ctm->enabled = enable; |
| |
| reply = ctm_get_properties_reply(ctm->pending, ctm); |
| __ofono_dbus_pending_reply(&ctm->pending, reply); |
| |
| if (ctm->enabled != enabled_old) |
| ctm_signal_enabled(ctm); |
| } |
| |
| static DBusMessage *ctm_get_properties(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct ofono_ctm *ctm = data; |
| |
| if (ctm->flags & CTM_FLAG_CACHED) |
| return ctm_get_properties_reply(msg, ctm); |
| |
| if (ctm->pending) |
| return __ofono_error_busy(msg); |
| |
| ctm->pending = dbus_message_ref(msg); |
| |
| ctm->driver->query_tty(ctm, ctm_query_enabled_callback, ctm); |
| |
| return NULL; |
| } |
| |
| static DBusMessage *ctm_set_property(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct ofono_ctm *ctm = data; |
| DBusMessageIter iter; |
| DBusMessageIter var; |
| const char *property; |
| |
| if (ctm->pending) |
| return __ofono_error_busy(msg); |
| |
| if (!dbus_message_iter_init(msg, &iter)) |
| return __ofono_error_invalid_args(msg); |
| |
| if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) |
| return __ofono_error_invalid_args(msg); |
| |
| dbus_message_iter_get_basic(&iter, &property); |
| dbus_message_iter_next(&iter); |
| |
| if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) |
| return __ofono_error_invalid_args(msg); |
| |
| dbus_message_iter_recurse(&iter, &var); |
| |
| if (g_strcmp0(property, "Enabled") == 0) { |
| dbus_bool_t value; |
| int target; |
| |
| if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_BOOLEAN) |
| return __ofono_error_invalid_args(msg); |
| |
| dbus_message_iter_get_basic(&var, &value); |
| target = value; |
| |
| if (ctm->enabled == target) |
| return dbus_message_new_method_return(msg); |
| |
| ctm->pending = dbus_message_ref(msg); |
| |
| ctm->driver->set_tty(ctm, target, |
| ctm_set_enabled_callback, ctm); |
| return NULL; |
| } |
| |
| return __ofono_error_invalid_args(msg); |
| } |
| |
| static const GDBusMethodTable ctm_methods[] = { |
| { GDBUS_ASYNC_METHOD("GetProperties", |
| NULL, GDBUS_ARGS({ "properties", "a{sv}" }), |
| ctm_get_properties) }, |
| { GDBUS_ASYNC_METHOD("SetProperty", |
| GDBUS_ARGS({ "property", "s" }, { "value", "v" }), NULL, |
| ctm_set_property) }, |
| { } |
| }; |
| |
| static const GDBusSignalTable ctm_signals[] = { |
| { GDBUS_SIGNAL("PropertyChanged", |
| GDBUS_ARGS({ "name", "s" }, { "value", "v" })) }, |
| { } |
| }; |
| |
| int ofono_ctm_driver_register(const struct ofono_ctm_driver *d) |
| { |
| DBG("driver: %p, name: %s", d, d->name); |
| |
| if (d == NULL || d->probe == NULL) |
| return -EINVAL; |
| |
| g_drivers = g_slist_prepend(g_drivers, (void *)d); |
| |
| return 0; |
| } |
| |
| void ofono_ctm_driver_unregister(const struct ofono_ctm_driver *d) |
| { |
| DBG("driver: %p, name: %s", d, d->name); |
| |
| if (d == NULL) |
| return; |
| |
| g_drivers = g_slist_remove(g_drivers, (void *)d); |
| } |
| |
| static void text_telephony_unregister(struct ofono_atom *atom) |
| { |
| struct ofono_ctm *ctm = __ofono_atom_get_data(atom); |
| const char *path = __ofono_atom_get_path(ctm->atom); |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(ctm->atom); |
| |
| ofono_modem_remove_interface(modem, OFONO_TEXT_TELEPHONY_INTERFACE); |
| g_dbus_unregister_interface(conn, path, OFONO_TEXT_TELEPHONY_INTERFACE); |
| } |
| |
| static void text_telephony_remove(struct ofono_atom *atom) |
| { |
| struct ofono_ctm *ctm = __ofono_atom_get_data(atom); |
| |
| DBG("atom: %p", atom); |
| |
| if (ctm == NULL) |
| return; |
| |
| if (ctm->driver && ctm->driver->remove) |
| ctm->driver->remove(ctm); |
| |
| g_free(ctm); |
| } |
| |
| struct ofono_ctm *ofono_ctm_create(struct ofono_modem *modem, |
| unsigned int vendor, |
| const char *driver, void *data) |
| { |
| struct ofono_ctm *ctm; |
| GSList *l; |
| |
| if (driver == NULL) |
| return NULL; |
| |
| ctm = g_try_new0(struct ofono_ctm, 1); |
| if (ctm == NULL) |
| return NULL; |
| |
| ctm->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_CTM, |
| text_telephony_remove, ctm); |
| |
| for (l = g_drivers; l; l = l->next) { |
| const struct ofono_ctm_driver *drv = l->data; |
| |
| if (g_strcmp0(drv->name, driver) != 0) |
| continue; |
| |
| if (drv->probe(ctm, vendor, data) < 0) |
| continue; |
| |
| ctm->driver = drv; |
| break; |
| } |
| |
| return ctm; |
| } |
| |
| void ofono_ctm_register(struct ofono_ctm *ctm) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(ctm->atom); |
| const char *path = __ofono_atom_get_path(ctm->atom); |
| |
| if (!g_dbus_register_interface(conn, path, |
| OFONO_TEXT_TELEPHONY_INTERFACE, |
| ctm_methods, ctm_signals, |
| NULL, ctm, NULL)) { |
| ofono_error("Could not create %s interface", |
| OFONO_TEXT_TELEPHONY_INTERFACE); |
| |
| return; |
| } |
| |
| ofono_modem_add_interface(modem, OFONO_TEXT_TELEPHONY_INTERFACE); |
| __ofono_atom_register(ctm->atom, text_telephony_unregister); |
| } |
| |
| void ofono_ctm_remove(struct ofono_ctm *ctm) |
| { |
| __ofono_atom_free(ctm->atom); |
| } |
| |
| void ofono_ctm_set_data(struct ofono_ctm *ctm, void *data) |
| { |
| ctm->driver_data = data; |
| } |
| |
| void *ofono_ctm_get_data(struct ofono_ctm *ctm) |
| { |
| return ctm->driver_data; |
| } |