2011-02-22 18:35:11 +00:00
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/*
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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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2011-10-10 20:39:42 +00:00
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* Copyright (C) 2011 Intel Corporation. All rights reserved.
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2011-02-22 18:35:11 +00:00
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* Copyright (C) 2011 ProFUSION embedded systems.
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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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#ifndef DBUS_TYPE_UNIX_FD
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#define DBUS_TYPE_UNIX_FD -1
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#endif
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static GSList *g_drivers = NULL;
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struct ofono_location_reporting {
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DBusMessage *pending;
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const struct ofono_location_reporting_driver *driver;
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void *driver_data;
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struct ofono_atom *atom;
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ofono_bool_t enabled;
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char *client_owner;
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guint disconnect_watch;
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};
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static const char *location_reporting_type_to_string(
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enum ofono_location_reporting_type type)
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{
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switch (type) {
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case OFONO_LOCATION_REPORTING_TYPE_NMEA:
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return "nmea";
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};
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return NULL;
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}
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static DBusMessage *location_reporting_get_properties(DBusConnection *conn,
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DBusMessage *msg, void *data)
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{
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struct ofono_location_reporting *lr = data;
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DBusMessage *reply;
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DBusMessageIter iter;
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DBusMessageIter dict;
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const char *type;
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2012-02-16 08:43:28 +00:00
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dbus_bool_t value;
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2011-02-22 18:35:11 +00:00
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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 = lr->enabled;
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ofono_dbus_dict_append(&dict, "Enabled", DBUS_TYPE_BOOLEAN, &value);
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type = location_reporting_type_to_string(lr->driver->type);
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ofono_dbus_dict_append(&dict, "Type", DBUS_TYPE_STRING, &type);
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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 client_remove(struct ofono_location_reporting *lr)
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{
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DBusConnection *conn = ofono_dbus_get_connection();
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if (lr->disconnect_watch) {
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g_dbus_remove_watch(conn, lr->disconnect_watch);
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lr->disconnect_watch = 0;
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}
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g_free(lr->client_owner);
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}
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static void signal_enabled(const struct ofono_location_reporting *lr)
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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(lr->atom);
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2012-02-16 08:43:28 +00:00
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dbus_bool_t value = lr->enabled;
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2011-02-22 18:35:11 +00:00
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ofono_dbus_signal_property_changed(conn, path,
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OFONO_LOCATION_REPORTING_INTERFACE,
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"Enabled", DBUS_TYPE_BOOLEAN, &value);
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}
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static void client_exited_disable_cb(const struct ofono_error *error,
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void *data)
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{
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struct ofono_location_reporting *lr = data;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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ofono_error("Disabling location-reporting failed");
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return;
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}
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client_remove(lr);
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lr->enabled = FALSE;
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signal_enabled(lr);
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}
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static void client_exited(DBusConnection *conn, void *data)
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{
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struct ofono_location_reporting *lr = data;
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lr->disconnect_watch = 0;
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2012-02-16 08:43:28 +00:00
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lr->driver->disable(lr, client_exited_disable_cb, lr);
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2011-02-22 18:35:11 +00:00
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}
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static void location_reporting_disable_cb(const struct ofono_error *error,
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void *data)
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{
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struct ofono_location_reporting *lr = data;
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DBusMessage *reply;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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ofono_error("Disabling location-reporting failed");
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reply = __ofono_error_failed(lr->pending);
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__ofono_dbus_pending_reply(&lr->pending, reply);
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return;
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}
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client_remove(lr);
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lr->enabled = FALSE;
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reply = dbus_message_new_method_return(lr->pending);
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__ofono_dbus_pending_reply(&lr->pending, reply);
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signal_enabled(lr);
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}
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static void location_reporting_enable_cb(const struct ofono_error *error,
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int fd, void *data)
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{
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struct ofono_location_reporting *lr = data;
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2011-02-28 13:43:53 +00:00
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DBusConnection *conn = ofono_dbus_get_connection();
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2011-02-22 18:35:11 +00:00
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DBusMessage *reply;
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if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
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ofono_error("Enabling location-reporting failed");
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reply = __ofono_error_failed(lr->pending);
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__ofono_dbus_pending_reply(&lr->pending, reply);
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return;
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}
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lr->enabled = TRUE;
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2011-02-28 13:43:53 +00:00
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lr->client_owner = g_strdup(dbus_message_get_sender(lr->pending));
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lr->disconnect_watch = g_dbus_add_disconnect_watch(conn,
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lr->client_owner, client_exited, lr, NULL);
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2011-02-22 18:35:11 +00:00
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reply = dbus_message_new_method_return(lr->pending);
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dbus_message_append_args(reply, DBUS_TYPE_UNIX_FD, &fd,
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DBUS_TYPE_INVALID);
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__ofono_dbus_pending_reply(&lr->pending, reply);
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signal_enabled(lr);
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}
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static DBusMessage *location_reporting_request(DBusConnection *conn,
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DBusMessage *msg, void *data)
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{
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struct ofono_location_reporting *lr = data;
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if (lr->pending != NULL)
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return __ofono_error_busy(msg);
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if (lr->enabled)
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return __ofono_error_in_use(msg);
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lr->pending = dbus_message_ref(msg);
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lr->driver->enable(lr, location_reporting_enable_cb, lr);
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return NULL;
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}
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static DBusMessage *location_reporting_release(DBusConnection *conn,
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DBusMessage *msg, void *data)
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{
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struct ofono_location_reporting *lr = data;
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const char *caller = dbus_message_get_sender(msg);
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/*
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* Avoid a race by not trying to release the device if there is a
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* pending message or client already signaled it's exiting. In the
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* later case, the device will eventually be released in
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* client_exited_disable_cb().
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*/
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if (lr->pending != NULL || (lr->enabled && !lr->disconnect_watch))
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return __ofono_error_busy(msg);
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if (lr->enabled == FALSE)
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return __ofono_error_not_available(msg);
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if (g_strcmp0(caller, lr->client_owner))
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return __ofono_error_access_denied(msg);
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lr->pending = dbus_message_ref(msg);
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lr->driver->disable(lr, location_reporting_disable_cb, lr);
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return NULL;
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}
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2012-05-20 05:07:25 +00:00
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static const GDBusMethodTable location_reporting_methods[] = {
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2012-05-20 05:07:32 +00:00
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{ GDBUS_METHOD("GetProperties",
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NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
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location_reporting_get_properties) },
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{ GDBUS_ASYNC_METHOD("Request",
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NULL, GDBUS_ARGS({ "fd", "h" }),
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location_reporting_request) },
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{ GDBUS_ASYNC_METHOD("Release", NULL, NULL,
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2012-05-20 05:07:29 +00:00
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location_reporting_release) },
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2011-02-22 18:35:11 +00:00
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{ }
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};
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2012-05-20 05:07:26 +00:00
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static const GDBusSignalTable location_reporting_signals[] = {
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2012-05-20 05:07:32 +00:00
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{ GDBUS_SIGNAL("PropertyChanged",
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2012-05-20 05:07:29 +00:00
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GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
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2011-02-22 18:35:11 +00:00
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{ }
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};
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int ofono_location_reporting_driver_register(
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const struct ofono_location_reporting_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_location_reporting_driver_unregister(
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const struct ofono_location_reporting_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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struct ofono_modem *ofono_location_reporting_get_modem(
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struct ofono_location_reporting *lr)
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{
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return __ofono_atom_get_modem(lr->atom);
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}
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static void location_reporting_unregister(struct ofono_atom *atom)
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{
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struct ofono_location_reporting *lr = __ofono_atom_get_data(atom);
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const char *path = __ofono_atom_get_path(lr->atom);
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DBusConnection *conn = ofono_dbus_get_connection();
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struct ofono_modem *modem = __ofono_atom_get_modem(lr->atom);
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ofono_modem_remove_interface(modem, OFONO_LOCATION_REPORTING_INTERFACE);
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g_dbus_unregister_interface(conn, path,
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OFONO_LOCATION_REPORTING_INTERFACE);
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}
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static void location_reporting_remove(struct ofono_atom *atom)
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{
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struct ofono_location_reporting *lr = __ofono_atom_get_data(atom);
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DBG("atom: %p", atom);
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if (lr == NULL)
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return;
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if (lr->driver && lr->driver->remove)
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lr->driver->remove(lr);
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g_free(lr);
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}
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struct ofono_location_reporting *ofono_location_reporting_create(
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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_location_reporting *lr;
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GSList *l;
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if (driver == NULL)
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return NULL;
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/* Only D-Bus >= 1.3 supports fd-passing */
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if (DBUS_TYPE_UNIX_FD == -1)
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return NULL;
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lr = g_try_new0(struct ofono_location_reporting, 1);
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if (lr == NULL)
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return NULL;
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lr->atom = __ofono_modem_add_atom(modem,
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OFONO_ATOM_TYPE_LOCATION_REPORTING,
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location_reporting_remove, lr);
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for (l = g_drivers; l; l = l->next) {
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const struct ofono_location_reporting_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(lr, vendor, data) < 0)
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continue;
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lr->driver = drv;
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break;
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}
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return lr;
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}
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void ofono_location_reporting_register(struct ofono_location_reporting *lr)
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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(lr->atom);
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const char *path = __ofono_atom_get_path(lr->atom);
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if (!g_dbus_register_interface(conn, path,
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OFONO_LOCATION_REPORTING_INTERFACE,
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location_reporting_methods,
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location_reporting_signals,
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NULL, lr, NULL)) {
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ofono_error("Could not create %s interface",
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OFONO_LOCATION_REPORTING_INTERFACE);
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return;
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}
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ofono_modem_add_interface(modem, OFONO_LOCATION_REPORTING_INTERFACE);
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__ofono_atom_register(lr->atom, location_reporting_unregister);
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}
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void ofono_location_reporting_remove(struct ofono_location_reporting *lr)
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{
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__ofono_atom_free(lr->atom);
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}
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void ofono_location_reporting_set_data(struct ofono_location_reporting *lr,
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void *data)
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{
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lr->driver_data = data;
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}
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void *ofono_location_reporting_get_data(struct ofono_location_reporting *lr)
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|
|
|
{
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return lr->driver_data;
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}
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