| /* |
| * |
| * oFono - Open Source Telephony |
| * |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 2011 Intel Corporation. All rights reserved. |
| * Copyright (C) 2011 ProFUSION embedded systems. |
| * |
| * 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" |
| |
| #ifndef DBUS_TYPE_UNIX_FD |
| #define DBUS_TYPE_UNIX_FD -1 |
| #endif |
| |
| static GSList *g_drivers = NULL; |
| |
| struct ofono_location_reporting { |
| DBusMessage *pending; |
| const struct ofono_location_reporting_driver *driver; |
| void *driver_data; |
| struct ofono_atom *atom; |
| ofono_bool_t enabled; |
| char *client_owner; |
| guint disconnect_watch; |
| }; |
| |
| static const char *location_reporting_type_to_string( |
| enum ofono_location_reporting_type type) |
| { |
| switch (type) { |
| case OFONO_LOCATION_REPORTING_TYPE_NMEA: |
| return "nmea"; |
| }; |
| |
| return NULL; |
| } |
| |
| static DBusMessage *location_reporting_get_properties(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| |
| { |
| struct ofono_location_reporting *lr = data; |
| DBusMessage *reply; |
| DBusMessageIter iter; |
| DBusMessageIter dict; |
| const char *type; |
| int 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 = lr->enabled; |
| ofono_dbus_dict_append(&dict, "Enabled", DBUS_TYPE_BOOLEAN, &value); |
| |
| type = location_reporting_type_to_string(lr->driver->type); |
| ofono_dbus_dict_append(&dict, "Type", DBUS_TYPE_STRING, &type); |
| |
| dbus_message_iter_close_container(&iter, &dict); |
| |
| return reply; |
| } |
| |
| static void client_remove(struct ofono_location_reporting *lr) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| |
| if (lr->disconnect_watch) { |
| g_dbus_remove_watch(conn, lr->disconnect_watch); |
| lr->disconnect_watch = 0; |
| } |
| |
| g_free(lr->client_owner); |
| } |
| |
| static void signal_enabled(const struct ofono_location_reporting *lr) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| const char *path = __ofono_atom_get_path(lr->atom); |
| int value = lr->enabled; |
| |
| ofono_dbus_signal_property_changed(conn, path, |
| OFONO_LOCATION_REPORTING_INTERFACE, |
| "Enabled", DBUS_TYPE_BOOLEAN, &value); |
| } |
| |
| static void client_exited_disable_cb(const struct ofono_error *error, |
| void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| ofono_error("Disabling location-reporting failed"); |
| |
| return; |
| } |
| |
| client_remove(lr); |
| lr->enabled = FALSE; |
| |
| signal_enabled(lr); |
| } |
| |
| static void client_exited(DBusConnection *conn, void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| |
| lr->disconnect_watch = 0; |
| |
| lr->driver->disable(lr, client_exited_disable_cb , lr); |
| } |
| |
| static void location_reporting_disable_cb(const struct ofono_error *error, |
| void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| DBusMessage *reply; |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| ofono_error("Disabling location-reporting failed"); |
| |
| reply = __ofono_error_failed(lr->pending); |
| __ofono_dbus_pending_reply(&lr->pending, reply); |
| |
| return; |
| } |
| |
| client_remove(lr); |
| lr->enabled = FALSE; |
| |
| reply = dbus_message_new_method_return(lr->pending); |
| __ofono_dbus_pending_reply(&lr->pending, reply); |
| |
| signal_enabled(lr); |
| } |
| |
| static void location_reporting_enable_cb(const struct ofono_error *error, |
| int fd, void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| DBusMessage *reply; |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| ofono_error("Enabling location-reporting failed"); |
| |
| reply = __ofono_error_failed(lr->pending); |
| __ofono_dbus_pending_reply(&lr->pending, reply); |
| |
| return; |
| } |
| |
| lr->enabled = TRUE; |
| lr->client_owner = g_strdup(dbus_message_get_sender(lr->pending)); |
| lr->disconnect_watch = g_dbus_add_disconnect_watch(conn, |
| lr->client_owner, client_exited, lr, NULL); |
| |
| reply = dbus_message_new_method_return(lr->pending); |
| dbus_message_append_args(reply, DBUS_TYPE_UNIX_FD, &fd, |
| DBUS_TYPE_INVALID); |
| |
| __ofono_dbus_pending_reply(&lr->pending, reply); |
| |
| signal_enabled(lr); |
| } |
| |
| static DBusMessage *location_reporting_request(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| |
| if (lr->pending != NULL) |
| return __ofono_error_busy(msg); |
| |
| if (lr->enabled) |
| return __ofono_error_in_use(msg); |
| |
| lr->pending = dbus_message_ref(msg); |
| |
| lr->driver->enable(lr, location_reporting_enable_cb, lr); |
| |
| return NULL; |
| } |
| |
| static DBusMessage *location_reporting_release(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct ofono_location_reporting *lr = data; |
| const char *caller = dbus_message_get_sender(msg); |
| |
| |
| /* |
| * Avoid a race by not trying to release the device if there is a |
| * pending message or client already signaled it's exiting. In the |
| * later case, the device will eventually be released in |
| * client_exited_disable_cb(). |
| */ |
| if (lr->pending != NULL || (lr->enabled && !lr->disconnect_watch)) |
| return __ofono_error_busy(msg); |
| |
| if (lr->enabled == FALSE) |
| return __ofono_error_not_available(msg); |
| |
| if (g_strcmp0(caller, lr->client_owner)) |
| return __ofono_error_access_denied(msg); |
| |
| lr->pending = dbus_message_ref(msg); |
| |
| lr->driver->disable(lr, location_reporting_disable_cb, lr); |
| |
| return NULL; |
| } |
| |
| static GDBusMethodTable location_reporting_methods[] = { |
| { "GetProperties", "", "a{sv}", location_reporting_get_properties }, |
| { "Request", "", "h", location_reporting_request, |
| G_DBUS_METHOD_FLAG_ASYNC }, |
| { "Release", "", "", location_reporting_release, |
| G_DBUS_METHOD_FLAG_ASYNC }, |
| { } |
| }; |
| |
| static GDBusSignalTable location_reporting_signals[] = { |
| { "PropertyChanged", "sv" }, |
| { } |
| }; |
| |
| int ofono_location_reporting_driver_register( |
| const struct ofono_location_reporting_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_location_reporting_driver_unregister( |
| const struct ofono_location_reporting_driver *d) |
| { |
| DBG("driver: %p, name: %s", d, d->name); |
| |
| if (d == NULL) |
| return; |
| |
| g_drivers = g_slist_remove(g_drivers, (void *) d); |
| } |
| |
| struct ofono_modem *ofono_location_reporting_get_modem( |
| struct ofono_location_reporting *lr) |
| { |
| return __ofono_atom_get_modem(lr->atom); |
| } |
| |
| static void location_reporting_unregister(struct ofono_atom *atom) |
| { |
| struct ofono_location_reporting *lr = __ofono_atom_get_data(atom); |
| const char *path = __ofono_atom_get_path(lr->atom); |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(lr->atom); |
| |
| ofono_modem_remove_interface(modem, OFONO_LOCATION_REPORTING_INTERFACE); |
| g_dbus_unregister_interface(conn, path, |
| OFONO_LOCATION_REPORTING_INTERFACE); |
| } |
| |
| static void location_reporting_remove(struct ofono_atom *atom) |
| { |
| struct ofono_location_reporting *lr = __ofono_atom_get_data(atom); |
| |
| DBG("atom: %p", atom); |
| |
| if (lr == NULL) |
| return; |
| |
| if (lr->driver && lr->driver->remove) |
| lr->driver->remove(lr); |
| |
| g_free(lr); |
| } |
| |
| struct ofono_location_reporting *ofono_location_reporting_create( |
| struct ofono_modem *modem, |
| unsigned int vendor, |
| const char *driver, void *data) |
| { |
| struct ofono_location_reporting *lr; |
| GSList *l; |
| |
| if (driver == NULL) |
| return NULL; |
| |
| /* Only D-Bus >= 1.3 supports fd-passing */ |
| if (DBUS_TYPE_UNIX_FD == -1) |
| return NULL; |
| |
| lr = g_try_new0(struct ofono_location_reporting, 1); |
| if (lr == NULL) |
| return NULL; |
| |
| lr->atom = __ofono_modem_add_atom(modem, |
| OFONO_ATOM_TYPE_LOCATION_REPORTING, |
| location_reporting_remove, lr); |
| |
| for (l = g_drivers; l; l = l->next) { |
| const struct ofono_location_reporting_driver *drv = l->data; |
| |
| if (g_strcmp0(drv->name, driver) != 0) |
| continue; |
| |
| if (drv->probe(lr, vendor, data) < 0) |
| continue; |
| |
| lr->driver = drv; |
| break; |
| } |
| |
| return lr; |
| } |
| |
| void ofono_location_reporting_register(struct ofono_location_reporting *lr) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(lr->atom); |
| const char *path = __ofono_atom_get_path(lr->atom); |
| |
| if (!g_dbus_register_interface(conn, path, |
| OFONO_LOCATION_REPORTING_INTERFACE, |
| location_reporting_methods, |
| location_reporting_signals, |
| NULL, lr, NULL)) { |
| ofono_error("Could not create %s interface", |
| OFONO_LOCATION_REPORTING_INTERFACE); |
| |
| return; |
| } |
| |
| ofono_modem_add_interface(modem, OFONO_LOCATION_REPORTING_INTERFACE); |
| __ofono_atom_register(lr->atom, location_reporting_unregister); |
| } |
| |
| void ofono_location_reporting_remove(struct ofono_location_reporting *lr) |
| { |
| __ofono_atom_free(lr->atom); |
| } |
| |
| void ofono_location_reporting_set_data(struct ofono_location_reporting *lr, |
| void *data) |
| { |
| lr->driver_data = data; |
| } |
| |
| void *ofono_location_reporting_get_data(struct ofono_location_reporting *lr) |
| { |
| return lr->driver_data; |
| } |