| /* |
| * |
| * oFono - Open Source Telephony |
| * |
| * Copyright (C) 2008-2011 Intel Corporation. All rights reserved. |
| * Copyright (C) 2011 ST-Ericsson AB. |
| * |
| * 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 |
| |
| #define _GNU_SOURCE |
| #include <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| |
| #include <glib.h> |
| #include <gdbus.h> |
| #include <errno.h> |
| |
| #include "ofono.h" |
| |
| #include "common.h" |
| #include "gnssagent.h" |
| |
| static GSList *g_drivers = NULL; |
| |
| struct ofono_gnss { |
| const struct ofono_gnss_driver *driver; |
| void *driver_data; |
| struct ofono_atom *atom; |
| DBusMessage *pending; |
| struct gnss_agent *posr_agent; |
| ofono_bool_t enabled; |
| }; |
| |
| static void gnss_unregister_agent_cb(const struct ofono_error *error, |
| void *data) |
| { |
| DBusMessage *reply; |
| struct ofono_gnss *gnss = data; |
| |
| DBG(""); |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) |
| ofono_error("Disabling Location Reporting Failed"); |
| |
| gnss->enabled = FALSE; |
| |
| if (gnss->posr_agent) |
| gnss_agent_free(gnss->posr_agent); |
| |
| reply = dbus_message_new_method_return(gnss->pending); |
| __ofono_dbus_pending_reply(&gnss->pending, reply); |
| } |
| |
| static void gnss_disable_posr_cb(const struct ofono_error *error, void *data) |
| { |
| struct ofono_gnss *gnss = data; |
| |
| gnss->enabled = FALSE; |
| } |
| |
| static void gnss_register_agent_cb(const struct ofono_error *error, |
| void *data) |
| { |
| DBusMessage *reply; |
| struct ofono_gnss *gnss = data; |
| |
| DBG(""); |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| ofono_error("Enabling Location Reporting Failed"); |
| reply = __ofono_error_failed(gnss->pending); |
| |
| if (gnss->posr_agent) |
| gnss_agent_free(gnss->posr_agent); |
| |
| __ofono_dbus_pending_reply(&gnss->pending, reply); |
| return; |
| } |
| |
| reply = dbus_message_new_method_return(gnss->pending); |
| __ofono_dbus_pending_reply(&gnss->pending, reply); |
| |
| gnss->enabled = TRUE; |
| |
| if (gnss->posr_agent == NULL) |
| gnss->driver->set_position_reporting(gnss, FALSE, |
| gnss_disable_posr_cb, |
| gnss); |
| } |
| |
| static void gnss_agent_notify(gpointer user_data) |
| { |
| struct ofono_gnss *gnss = user_data; |
| |
| gnss->posr_agent = NULL; |
| |
| if (gnss->enabled == TRUE) |
| gnss->driver->set_position_reporting(gnss, FALSE, |
| gnss_disable_posr_cb, |
| gnss); |
| } |
| |
| static DBusMessage *gnss_register_agent(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct ofono_gnss *gnss = data; |
| const char *agent_path; |
| |
| if (gnss->pending) |
| return __ofono_error_busy(msg); |
| |
| if (gnss->posr_agent) |
| return __ofono_error_busy(msg); |
| |
| if (dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, |
| &agent_path, DBUS_TYPE_INVALID) == FALSE) |
| return __ofono_error_invalid_args(msg); |
| |
| if (!__ofono_dbus_valid_object_path(agent_path)) |
| return __ofono_error_invalid_format(msg); |
| |
| gnss->posr_agent = gnss_agent_new(agent_path, |
| dbus_message_get_sender(msg)); |
| |
| if (gnss->posr_agent == NULL) |
| return __ofono_error_failed(msg); |
| |
| gnss_agent_set_removed_notify(gnss->posr_agent, |
| gnss_agent_notify, gnss); |
| |
| gnss->driver->set_position_reporting(gnss, TRUE, gnss_register_agent_cb, |
| gnss); |
| |
| gnss->pending = dbus_message_ref(msg); |
| |
| return NULL; |
| } |
| |
| static DBusMessage *gnss_unregister_agent(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct ofono_gnss *gnss = data; |
| const char *agent_path; |
| const char *agent_bus = dbus_message_get_sender(msg); |
| |
| if (gnss->pending) |
| return __ofono_error_busy(msg); |
| |
| if (dbus_message_get_args(msg, NULL, |
| DBUS_TYPE_OBJECT_PATH, &agent_path, |
| DBUS_TYPE_INVALID) == FALSE) |
| return __ofono_error_invalid_args(msg); |
| |
| if (gnss->posr_agent == NULL) |
| return __ofono_error_failed(msg); |
| |
| if (!gnss_agent_matches(gnss->posr_agent, agent_path, agent_bus)) |
| return __ofono_error_access_denied(msg); |
| |
| gnss->pending = dbus_message_ref(msg); |
| |
| gnss->enabled = FALSE; |
| gnss->driver->set_position_reporting(gnss, FALSE, |
| gnss_unregister_agent_cb, |
| gnss); |
| |
| return NULL; |
| } |
| |
| static void gnss_send_element_cb(const struct ofono_error *error, |
| void *data) |
| { |
| DBusMessage *reply; |
| struct ofono_gnss *gnss = data; |
| |
| DBG(""); |
| |
| if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { |
| ofono_error("Sending Positioning Element failed"); |
| reply = __ofono_error_failed(gnss->pending); |
| } else |
| reply = dbus_message_new_method_return(gnss->pending); |
| |
| __ofono_dbus_pending_reply(&gnss->pending, reply); |
| } |
| |
| static DBusMessage *gnss_send_element(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| const char *caller = dbus_message_get_sender(msg); |
| struct ofono_gnss *gnss = data; |
| const char *xml; |
| |
| DBG(""); |
| |
| if (gnss->pending) |
| return __ofono_error_busy(msg); |
| |
| if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &xml, |
| DBUS_TYPE_INVALID)) |
| return __ofono_error_invalid_args(msg); |
| |
| if (gnss->posr_agent == NULL) |
| return __ofono_error_not_available(msg); |
| |
| if (!gnss_agent_sender_matches(gnss->posr_agent, caller)) |
| return __ofono_error_access_denied(msg); |
| |
| gnss->pending = dbus_message_ref(msg); |
| |
| gnss->driver->send_element(gnss, xml, gnss_send_element_cb, gnss); |
| |
| return NULL; |
| } |
| |
| static GDBusMethodTable gnss_methods[] = { |
| { "SendPositioningElement", "s", "", |
| gnss_send_element, G_DBUS_METHOD_FLAG_ASYNC }, |
| { "RegisterPositioningRequestAgent", "o", "", |
| gnss_register_agent, G_DBUS_METHOD_FLAG_ASYNC }, |
| { "UnregisterPositioningRequestAgent", "o", "", |
| gnss_unregister_agent, G_DBUS_METHOD_FLAG_ASYNC }, |
| { } |
| }; |
| |
| static void gnss_unregister(struct ofono_atom *atom) |
| { |
| struct ofono_gnss *gnss = __ofono_atom_get_data(atom); |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(atom); |
| const char *path = __ofono_atom_get_path(atom); |
| |
| if (gnss->posr_agent) |
| gnss_agent_free(gnss->posr_agent); |
| |
| ofono_modem_remove_interface(modem, OFONO_GNSS_INTERFACE); |
| g_dbus_unregister_interface(conn, path, OFONO_GNSS_INTERFACE); |
| } |
| |
| static void gnss_remove(struct ofono_atom *atom) |
| { |
| struct ofono_gnss *gnss = __ofono_atom_get_data(atom); |
| |
| DBG("atom: %p", atom); |
| |
| if (gnss == NULL) |
| return; |
| |
| if (gnss->driver && gnss->driver->remove) |
| gnss->driver->remove(gnss); |
| |
| g_free(gnss); |
| } |
| |
| void ofono_gnss_register(struct ofono_gnss *gnss) |
| { |
| DBusConnection *conn = ofono_dbus_get_connection(); |
| struct ofono_modem *modem = __ofono_atom_get_modem(gnss->atom); |
| const char *path = __ofono_atom_get_path(gnss->atom); |
| |
| if (!g_dbus_register_interface(conn, path, |
| OFONO_GNSS_INTERFACE, |
| gnss_methods, NULL, NULL, |
| gnss, NULL)) { |
| ofono_error("Could not create %s interface", |
| OFONO_GNSS_INTERFACE); |
| |
| return; |
| } |
| |
| ofono_modem_add_interface(modem, OFONO_GNSS_INTERFACE); |
| |
| __ofono_atom_register(gnss->atom, gnss_unregister); |
| } |
| |
| int ofono_gnss_driver_register(const struct ofono_gnss_driver *d) |
| { |
| DBG("driver: %p, name: %s", d, d->name); |
| |
| if (d->probe == NULL) |
| return -EINVAL; |
| |
| g_drivers = g_slist_prepend(g_drivers, (void *) d); |
| |
| return 0; |
| } |
| |
| void ofono_gnss_driver_unregister(const struct ofono_gnss_driver *d) |
| { |
| DBG("driver: %p, name: %s", d, d->name); |
| |
| g_drivers = g_slist_remove(g_drivers, (void *) d); |
| } |
| |
| struct ofono_gnss *ofono_gnss_create(struct ofono_modem *modem, |
| unsigned int vendor, |
| const char *driver, |
| void *data) |
| { |
| struct ofono_gnss *gnss; |
| GSList *l; |
| |
| if (driver == NULL) |
| return NULL; |
| |
| gnss = g_try_new0(struct ofono_gnss, 1); |
| |
| if (gnss == NULL) |
| return NULL; |
| |
| gnss->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_GNSS, |
| gnss_remove, gnss); |
| |
| for (l = g_drivers; l; l = l->next) { |
| const struct ofono_gnss_driver *drv = l->data; |
| |
| if (g_strcmp0(drv->name, driver)) |
| continue; |
| |
| if (drv->probe(gnss, vendor, data) < 0) |
| continue; |
| |
| gnss->driver = drv; |
| break; |
| } |
| |
| return gnss; |
| } |
| |
| void ofono_gnss_notify_posr_request(struct ofono_gnss *gnss, const char *xml) |
| { |
| if (gnss->posr_agent) |
| gnss_agent_receive_request(gnss->posr_agent, xml); |
| } |
| |
| void ofono_gnss_notify_posr_reset(struct ofono_gnss *gnss) |
| { |
| if (gnss->posr_agent) |
| gnss_agent_receive_reset(gnss->posr_agent); |
| } |
| |
| void ofono_gnss_remove(struct ofono_gnss *gnss) |
| { |
| __ofono_atom_free(gnss->atom); |
| } |
| |
| void ofono_gnss_set_data(struct ofono_gnss *gnss, void *data) |
| { |
| gnss->driver_data = data; |
| } |
| |
| void *ofono_gnss_get_data(struct ofono_gnss *gnss) |
| { |
| return gnss->driver_data; |
| } |