2 * Copyright 2008-2011 Novell, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
27 #include "dbind/dbind.h"
28 #include "atspi/atspi.h"
30 static int dbind_timeout = -1;
33 * FIXME: compare types - to ensure they match &
34 * do dynamic padding of structures etc.
37 /*---------------------------------------------------------------------------*/
39 typedef struct _SpiReentrantCallClosure
42 } SpiReentrantCallClosure;
45 set_reply (DBusPendingCall * pending, void *user_data)
47 SpiReentrantCallClosure* closure = (SpiReentrantCallClosure *) user_data;
49 closure->reply = dbus_pending_call_steal_reply (pending);
50 dbus_pending_call_unref (pending);
54 time_elapsed (struct timeval *origin)
58 gettimeofday (&tv, NULL);
59 return (tv.tv_sec - origin->tv_sec) * 1000 + (tv.tv_usec - origin->tv_usec) / 1000;
63 dbind_send_and_allow_reentry (DBusConnection * bus, DBusMessage * message, DBusError *error)
65 DBusPendingCall *pending;
66 SpiReentrantCallClosure closure;
67 const char *unique_name = dbus_bus_get_unique_name (bus);
68 const char *destination = dbus_message_get_destination (message);
71 if (unique_name && destination &&
72 strcmp (destination, unique_name) != 0)
73 return dbus_connection_send_with_reply_and_block (bus, message, dbind_timeout, error);
76 atspi_dbus_connection_setup_with_g_main(bus, NULL);
77 if (!dbus_connection_send_with_reply (bus, message, &pending, dbind_timeout))
81 dbus_pending_call_set_notify (pending, set_reply, (void *) &closure, NULL);
84 gettimeofday (&tv, NULL);
85 while (!closure.reply)
87 if (!dbus_connection_read_write_dispatch (bus, dbind_timeout))
89 if (time_elapsed (&tv) > dbind_timeout)
97 dbind_method_call_reentrant_va (DBusConnection *cnx,
100 const char *interface,
102 DBusError *opt_error,
103 const char *arg_types,
106 dbus_bool_t success = FALSE;
107 DBusMessage *msg = NULL, *reply = NULL;
108 DBusMessageIter iter;
109 DBusError *err, real_err;
111 va_list args_demarshal;
113 va_copy (args_demarshal, args);
117 dbus_error_init (&real_err);
121 msg = dbus_message_new_method_call (bus_name, path, interface, method);
126 dbus_message_iter_init_append (msg, &iter);
127 dbind_any_marshal_va (&iter, &p, args);
129 reply = dbind_send_and_allow_reentry (cnx, msg, err);
133 if (dbus_message_get_type (reply) == DBUS_MESSAGE_TYPE_ERROR)
135 const char *name = dbus_message_get_error_name (reply);
139 if (p[0] == '=' && p[1] == '>')
141 DBusMessageIter iter;
142 dbus_message_iter_init (reply, &iter);
144 dbind_any_demarshal_va (&iter, &p, args_demarshal);
150 dbus_message_unref (msg);
153 dbus_message_unref (reply);
155 if (err == &real_err)
156 dbus_error_free (err);
158 va_end (args_demarshal);
163 * dbind_method_call_reentrant:
165 * @cnx: A D-Bus Connection used to make the method call.
166 * @bus_name: The D-Bus bus name of the program where the method call should
168 * @path: The D-Bus object path that should handle the method.
169 * @interface: The D-Bus interface used to scope the method name.
170 * @method: Method to be invoked.
171 * @opt_error: D-Bus error.
172 * @arg_types: Variable length arguments interleaving D-Bus argument types
173 * and pointers to argument data.
175 * Makes a D-Bus method call using the supplied location data, method name and
176 * argument data.This function is re-entrant. It continuously reads from the D-Bus
177 * bus and dispatches messages until a reply has been recieved.
180 dbind_method_call_reentrant (DBusConnection *cnx,
181 const char *bus_name,
183 const char *interface,
185 DBusError *opt_error,
186 const char *arg_types,
189 dbus_bool_t success = FALSE;
192 va_start (args, arg_types);
193 success = dbind_method_call_reentrant_va (cnx,
206 /*---------------------------------------------------------------------------*/
209 dbind_emit_signal_va (DBusConnection *cnx,
211 const char *interface,
213 DBusError *opt_error,
214 const char *arg_types,
217 dbus_bool_t success = FALSE;
218 DBusMessage *msg = NULL;
219 DBusMessageIter iter;
220 DBusError *err, real_err;
226 dbus_error_init (&real_err);
230 msg = dbus_message_new_signal (path, interface, signal);
235 dbus_message_iter_init_append (msg, &iter);
236 dbind_any_marshal_va (&iter, &p, args);
238 if (!dbus_connection_send (cnx, msg, NULL))
245 dbus_message_unref (msg);
247 if (err == &real_err)
248 dbus_error_free (err);
256 * @cnx: A D-Bus Connection used to make the method call.
257 * @path: The D-Bus object path that this signal is emitted from.
258 * @interface: The D-Bus interface used to scope the method name.
259 * @signal: Name of signal to emit.
260 * @opt_error: D-Bus error.
261 * @arg_types: Variable length arguments interleaving D-Bus argument types
262 * and pointers to argument data.
264 * Emits a D-Bus signal using the supplied signal name and argument data.
267 dbind_emit_signal (DBusConnection *cnx,
269 const char *interface,
271 DBusError *opt_error,
272 const char *arg_types,
275 dbus_bool_t success = FALSE;
278 va_start (args, arg_types);
279 success = dbind_emit_signal_va (cnx, path, interface, signal, opt_error, arg_types, args);
285 dbind_set_timeout (int timeout)
287 dbind_timeout = timeout;
291 /*END------------------------------------------------------------------------*/