| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 <stdlib.h> |
| #include <string.h> |
| #include <signal.h> |
| |
| #include <glib.h> |
| |
| #include <dbus/dbus.h> |
| |
| #include "dbus-helper.h" |
| #include "logging.h" |
| #include "notify.h" |
| |
| #include "system.h" |
| #include "service.h" |
| |
| #define SERVICE_INTERFACE "org.bluez.Service" |
| |
| static DBusConnection *connection = NULL; |
| |
| static char *test_conn_name = NULL; |
| static GPid test_service_pid = 0; |
| static guint test_watch_id = -1; |
| |
| DBusHandlerResult manager_list_services(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| DBusMessageIter iter, array; |
| const char path[] = "/org/bluez/service", *ptr = path; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| dbus_message_iter_init_append(reply, &iter); |
| |
| dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, |
| DBUS_TYPE_STRING_AS_STRING, &array); |
| |
| dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING, &ptr); |
| |
| dbus_message_iter_close_container(&iter, &array); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| DBusHandlerResult manager_find_service(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| const char *pattern; |
| const char path[] = "/org/bluez/service", *ptr = path; |
| |
| dbus_message_get_args(msg, NULL, |
| DBUS_TYPE_STRING, &pattern, DBUS_TYPE_INVALID); |
| |
| debug("Searching service with pattern \"%s\"", pattern); |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, |
| DBUS_TYPE_INVALID); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| DBusHandlerResult manager_activate_service(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| const char *pattern; |
| |
| dbus_message_get_args(msg, NULL, |
| DBUS_TYPE_STRING, &pattern, DBUS_TYPE_INVALID); |
| |
| debug("Activating service with pattern \"%s\"", pattern); |
| |
| reply = dbus_message_new_error(msg, ERROR_INTERFACE ".NotFound", |
| "Service does not exists"); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusHandlerResult service_get_identifier(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| const char name[] = "service", *ptr = name; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, |
| DBUS_TYPE_INVALID); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusHandlerResult service_get_name(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| const char name[] = "Demo service", *ptr = name; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, |
| DBUS_TYPE_INVALID); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusHandlerResult service_get_description(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| const char text[] = "Demo service for testing", *ptr = text; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, |
| DBUS_TYPE_INVALID); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static void service_died(GPid pid, gint status, gpointer data) |
| { |
| debug("Child with PID %d died with status %d", pid, status); |
| |
| g_spawn_close_pid(pid); |
| test_service_pid = 0; |
| } |
| |
| static DBusHandlerResult service_start(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| GPid pid; |
| char *argv[2]; |
| |
| debug("Starting service"); |
| |
| if (test_conn_name) { |
| reply = dbus_message_new_error(msg, ERROR_INTERFACE ".AlreadyRunning", |
| "Service is already running"); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } else { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| test_conn_name = strdup("org.bluez.service"); |
| if (!test_conn_name) |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_INVALID); |
| |
| argv[0] = SERVICEDIR "bluetoothd-service-echo"; |
| argv[1] = NULL; |
| |
| g_spawn_async(NULL, argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL); |
| |
| test_watch_id = g_child_watch_add(pid, service_died, NULL); |
| |
| debug("New process with PID %d executed", pid); |
| |
| test_service_pid = pid; |
| } |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusHandlerResult service_stop(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| |
| debug("Stopping service"); |
| |
| if (test_conn_name) { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| free(test_conn_name); |
| test_conn_name = NULL; |
| |
| kill(test_service_pid, SIGTERM); |
| test_service_pid = 0; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_INVALID); |
| } else { |
| reply = dbus_message_new_error(msg, ERROR_INTERFACE ".NotRunning", |
| "Service is not running"); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusHandlerResult service_is_running(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| DBusMessage *reply; |
| dbus_bool_t running; |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| running = test_conn_name ? TRUE : FALSE; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &running, |
| DBUS_TYPE_INVALID); |
| |
| return dbus_connection_send_and_unref(conn, reply); |
| } |
| |
| static DBusMethodVTable service_table[] = { |
| { "GetIdentifier", service_get_identifier, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_STRING_AS_STRING }, |
| { "GetName", service_get_name, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_STRING_AS_STRING }, |
| { "GetDescription", service_get_description, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_STRING_AS_STRING }, |
| { "Start", service_start, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_INVALID_AS_STRING }, |
| { "Stop", service_stop, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_INVALID_AS_STRING }, |
| { "IsRunning", service_is_running, |
| DBUS_TYPE_INVALID_AS_STRING, DBUS_TYPE_BOOLEAN_AS_STRING }, |
| { } |
| }; |
| |
| static void config_notify(int action, const char *name, void *data) |
| { |
| switch (action) { |
| case NOTIFY_CREATE: |
| debug("File %s/%s created", CONFIGDIR, name); |
| break; |
| |
| case NOTIFY_DELETE: |
| debug("File %s/%s deleted", CONFIGDIR, name); |
| break; |
| |
| case NOTIFY_MODIFY: |
| debug("File %s/%s modified", CONFIGDIR, name); |
| break; |
| } |
| } |
| |
| int service_init(DBusConnection *conn) |
| { |
| connection = dbus_connection_ref(conn); |
| |
| info("Starting service framework"); |
| |
| notify_add(CONFIGDIR, config_notify, NULL); |
| |
| if (dbus_connection_create_object_path(connection, |
| "/org/bluez/service", NULL, NULL) == FALSE) { |
| error("Service path registration failed"); |
| dbus_connection_unref(connection); |
| return -1; |
| } |
| |
| if (dbus_connection_register_interface(connection, "/org/bluez/service", |
| SERVICE_INTERFACE, service_table, NULL, NULL) == FALSE) { |
| error("Service interface registration failed"); |
| dbus_connection_destroy_object_path(connection, "/org/bluez/service"); |
| dbus_connection_unref(connection); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| void service_exit(void) |
| { |
| info("Stopping service framework"); |
| |
| notify_remove(CONFIGDIR); |
| |
| dbus_connection_unregister_interface(connection, |
| "/org/bluez/service", SERVICE_INTERFACE); |
| |
| dbus_connection_destroy_object_path(connection, "/org/bluez/service"); |
| |
| dbus_connection_unref(connection); |
| |
| connection = NULL; |
| } |