1 /* GDBus - GLib D-Bus Library
3 * Copyright (C) 2008-2010 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: David Zeuthen <davidz@redhat.com>
23 /* Uncomment to debug serializer code */
24 /* #define DEBUG_SERIALIZER */
30 #include <sys/types.h>
36 #include "gdbusutils.h"
37 #include "gdbusmessage.h"
38 #include "gdbuserror.h"
39 #include "gioenumtypes.h"
40 #include "ginputstream.h"
41 #include "gdatainputstream.h"
42 #include "gmemoryinputstream.h"
43 #include "goutputstream.h"
44 #include "gdataoutputstream.h"
45 #include "gmemoryoutputstream.h"
46 #include "gseekable.h"
48 #include "gdbusprivate.h"
51 #include "gunixfdlist.h"
57 * SECTION:gdbusmessage
58 * @short_description: D-Bus Message
61 * A type for representing D-Bus messages that can be sent or received
62 * on a #GDBusConnection.
65 typedef struct _GDBusMessageClass GDBusMessageClass;
70 * Class structure for #GDBusMessage.
74 struct _GDBusMessageClass
77 GObjectClass parent_class;
83 * The #GDBusMessage structure contains only private data and should
84 * only be accessed using the provided API.
91 GObject parent_instance;
93 GDBusMessageType type;
94 GDBusMessageFlags flags;
95 guchar major_protocol_version;
100 GUnixFDList *fd_list;
102 GDBusMessageByteOrder byte_order;
105 G_DEFINE_TYPE (GDBusMessage, g_dbus_message, G_TYPE_OBJECT);
108 g_dbus_message_finalize (GObject *object)
110 GDBusMessage *message = G_DBUS_MESSAGE (object);
112 if (message->headers != NULL)
113 g_hash_table_unref (message->headers);
114 if (message->body != NULL)
115 g_variant_unref (message->body);
117 if (message->fd_list != NULL)
118 g_object_unref (message->fd_list);
121 if (G_OBJECT_CLASS (g_dbus_message_parent_class)->finalize != NULL)
122 G_OBJECT_CLASS (g_dbus_message_parent_class)->finalize (object);
126 g_dbus_message_class_init (GDBusMessageClass *klass)
128 GObjectClass *gobject_class;
130 gobject_class = G_OBJECT_CLASS (klass);
132 gobject_class->finalize = g_dbus_message_finalize;
136 g_dbus_message_init (GDBusMessage *message)
138 /* Any D-Bus implementation is supposed to handle both Big and
139 * Little Endian encodings and the Endianness is part of the D-Bus
140 * message - we prefer to use Big Endian (since it's Network Byte
141 * Order and just easier to read for humans) but if the machine is
142 * Little Endian we use that for performance reasons.
144 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
145 message->byte_order = G_DBUS_MESSAGE_BYTE_ORDER_LITTLE_ENDIAN;
147 /* this could also be G_PDP_ENDIAN */
148 message->byte_order = G_DBUS_MESSAGE_BYTE_ORDER_BIG_ENDIAN;
150 message->headers = g_hash_table_new_full (g_direct_hash,
153 (GDestroyNotify) g_variant_unref);
157 * g_dbus_message_new:
159 * Creates a new empty #GDBusMessage.
161 * Returns: A #GDBusMessage. Free with g_object_unref().
166 g_dbus_message_new (void)
168 return g_object_new (G_TYPE_DBUS_MESSAGE, NULL);
172 * g_dbus_message_new_method_call:
173 * @name: A valid D-Bus name or %NULL.
174 * @path: A valid object path.
175 * @interface_: A valid D-Bus interface name or %NULL.
176 * @method: A valid method name.
178 * Creates a new #GDBusMessage for a method call.
180 * Returns: A #GDBusMessage. Free with g_object_unref().
185 g_dbus_message_new_method_call (const gchar *name,
187 const gchar *interface_,
190 GDBusMessage *message;
192 g_return_val_if_fail (name == NULL || g_dbus_is_name (name), NULL);
193 g_return_val_if_fail (g_variant_is_object_path (path), NULL);
194 g_return_val_if_fail (g_dbus_is_member_name (method), NULL);
195 g_return_val_if_fail (interface_ == NULL || g_dbus_is_interface_name (interface_), NULL);
197 message = g_dbus_message_new ();
198 message->type = G_DBUS_MESSAGE_TYPE_METHOD_CALL;
201 g_dbus_message_set_destination (message, name);
202 g_dbus_message_set_path (message, path);
203 g_dbus_message_set_member (message, method);
204 if (interface_ != NULL)
205 g_dbus_message_set_interface (message, interface_);
211 * g_dbus_message_new_signal:
212 * @path: A valid object path.
213 * @interface_: A valid D-Bus interface name or %NULL.
214 * @signal: A valid signal name.
216 * Creates a new #GDBusMessage for a signal emission.
218 * Returns: A #GDBusMessage. Free with g_object_unref().
223 g_dbus_message_new_signal (const gchar *path,
224 const gchar *interface_,
227 GDBusMessage *message;
229 g_return_val_if_fail (g_variant_is_object_path (path), NULL);
230 g_return_val_if_fail (g_dbus_is_member_name (signal), NULL);
231 g_return_val_if_fail (interface_ == NULL || g_dbus_is_interface_name (interface_), NULL);
233 message = g_dbus_message_new ();
234 message->type = G_DBUS_MESSAGE_TYPE_SIGNAL;
235 message->flags = G_DBUS_MESSAGE_FLAGS_NO_REPLY_EXPECTED;
237 g_dbus_message_set_path (message, path);
238 g_dbus_message_set_member (message, signal);
240 if (interface_ != NULL)
241 g_dbus_message_set_interface (message, interface_);
248 * g_dbus_message_new_method_reply:
249 * @method_call_message: A message of type %G_DBUS_MESSAGE_TYPE_METHOD_CALL to
250 * create a reply message to.
252 * Creates a new #GDBusMessage that is a reply to @method_call_message.
254 * Returns: A #GDBusMessage. Free with g_object_unref().
259 g_dbus_message_new_method_reply (GDBusMessage *method_call_message)
261 GDBusMessage *message;
264 g_return_val_if_fail (G_IS_DBUS_MESSAGE (method_call_message), NULL);
265 g_return_val_if_fail (g_dbus_message_get_message_type (method_call_message) == G_DBUS_MESSAGE_TYPE_METHOD_CALL, NULL);
266 g_return_val_if_fail (g_dbus_message_get_serial (method_call_message) != 0, NULL);
268 message = g_dbus_message_new ();
269 message->type = G_DBUS_MESSAGE_TYPE_METHOD_RETURN;
270 message->flags = G_DBUS_MESSAGE_FLAGS_NO_REPLY_EXPECTED;
271 /* reply with same endianness */
272 message->byte_order = method_call_message->byte_order;
274 g_dbus_message_set_reply_serial (message, g_dbus_message_get_serial (method_call_message));
275 sender = g_dbus_message_get_sender (method_call_message);
277 g_dbus_message_set_destination (message, sender);
283 * g_dbus_message_new_method_error:
284 * @method_call_message: A message of type %G_DBUS_MESSAGE_TYPE_METHOD_CALL to
285 * create a reply message to.
286 * @error_name: A valid D-Bus error name.
287 * @error_message_format: The D-Bus error message in a printf() format.
288 * @...: Arguments for @error_message_format.
290 * Creates a new #GDBusMessage that is an error reply to @method_call_message.
292 * Returns: A #GDBusMessage. Free with g_object_unref().
297 g_dbus_message_new_method_error (GDBusMessage *method_call_message,
298 const gchar *error_name,
299 const gchar *error_message_format,
305 va_start (var_args, error_message_format);
306 ret = g_dbus_message_new_method_error_valist (method_call_message,
308 error_message_format,
316 * g_dbus_message_new_method_error_literal:
317 * @method_call_message: A message of type %G_DBUS_MESSAGE_TYPE_METHOD_CALL to
318 * create a reply message to.
319 * @error_name: A valid D-Bus error name.
320 * @error_message: The D-Bus error message.
322 * Creates a new #GDBusMessage that is an error reply to @method_call_message.
324 * Returns: A #GDBusMessage. Free with g_object_unref().
329 g_dbus_message_new_method_error_literal (GDBusMessage *method_call_message,
330 const gchar *error_name,
331 const gchar *error_message)
333 GDBusMessage *message;
336 g_return_val_if_fail (G_IS_DBUS_MESSAGE (method_call_message), NULL);
337 g_return_val_if_fail (g_dbus_message_get_message_type (method_call_message) == G_DBUS_MESSAGE_TYPE_METHOD_CALL, NULL);
338 g_return_val_if_fail (g_dbus_message_get_serial (method_call_message) != 0, NULL);
339 g_return_val_if_fail (g_dbus_is_name (error_name), NULL);
340 g_return_val_if_fail (error_message != NULL, NULL);
342 message = g_dbus_message_new ();
343 message->type = G_DBUS_MESSAGE_TYPE_ERROR;
344 message->flags = G_DBUS_MESSAGE_FLAGS_NO_REPLY_EXPECTED;
345 /* reply with same endianness */
346 message->byte_order = method_call_message->byte_order;
348 g_dbus_message_set_reply_serial (message, g_dbus_message_get_serial (method_call_message));
349 g_dbus_message_set_error_name (message, error_name);
350 g_dbus_message_set_body (message, g_variant_new ("(s)", error_message));
352 sender = g_dbus_message_get_sender (method_call_message);
354 g_dbus_message_set_destination (message, sender);
360 * g_dbus_message_new_method_error_valist:
361 * @method_call_message: A message of type %G_DBUS_MESSAGE_TYPE_METHOD_CALL to
362 * create a reply message to.
363 * @error_name: A valid D-Bus error name.
364 * @error_message_format: The D-Bus error message in a printf() format.
365 * @var_args: Arguments for @error_message_format.
367 * Like g_dbus_message_new_method_error() but intended for language bindings.
369 * Returns: A #GDBusMessage. Free with g_object_unref().
374 g_dbus_message_new_method_error_valist (GDBusMessage *method_call_message,
375 const gchar *error_name,
376 const gchar *error_message_format,
380 gchar *error_message;
381 error_message = g_strdup_vprintf (error_message_format, var_args);
382 ret = g_dbus_message_new_method_error_literal (method_call_message,
385 g_free (error_message);
389 /* ---------------------------------------------------------------------------------------------------- */
392 * g_dbus_message_get_byte_order:
393 * @message: A #GDBusMessage.
395 * Gets the byte order of @message.
397 * Returns: The byte order.
399 GDBusMessageByteOrder
400 g_dbus_message_get_byte_order (GDBusMessage *message)
402 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), (GDBusMessageByteOrder) 0);
403 return message->byte_order;
407 * g_dbus_message_set_byte_order:
408 * @message: A #GDBusMessage.
409 * @byte_order: The byte order.
411 * Sets the byte order of @message.
414 g_dbus_message_set_byte_order (GDBusMessage *message,
415 GDBusMessageByteOrder byte_order)
417 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
418 message->byte_order = byte_order;
421 /* ---------------------------------------------------------------------------------------------------- */
423 /* TODO: need GI annotations to specify that any guchar value goes for the type */
426 * g_dbus_message_get_message_type:
427 * @message: A #GDBusMessage.
429 * Gets the type of @message.
431 * Returns: A 8-bit unsigned integer (typically a value from the #GDBusMessageType enumeration).
436 g_dbus_message_get_message_type (GDBusMessage *message)
438 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), G_DBUS_MESSAGE_TYPE_INVALID);
439 return message->type;
443 * g_dbus_message_set_message_type:
444 * @message: A #GDBusMessage.
445 * @type: A 8-bit unsigned integer (typically a value from the #GDBusMessageType enumeration).
447 * Sets @message to be of @type.
452 g_dbus_message_set_message_type (GDBusMessage *message,
453 GDBusMessageType type)
455 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
456 g_return_if_fail (type >=0 && type < 256);
457 message->type = type;
460 /* ---------------------------------------------------------------------------------------------------- */
462 /* TODO: need GI annotations to specify that any guchar value goes for flags */
465 * g_dbus_message_get_flags:
466 * @message: A #GDBusMessage.
468 * Gets the flags for @message.
470 * Returns: Flags that are set (typically values from the #GDBusMessageFlags enumeration bitwise ORed together).
475 g_dbus_message_get_flags (GDBusMessage *message)
477 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), G_DBUS_MESSAGE_FLAGS_NONE);
478 return message->flags;
482 * g_dbus_message_set_flags:
483 * @message: A #GDBusMessage.
484 * @flags: Flags for @message that are set (typically values from the #GDBusMessageFlags
485 * enumeration bitwise ORed together).
487 * Sets the flags to set on @message.
492 g_dbus_message_set_flags (GDBusMessage *message,
493 GDBusMessageFlags flags)
495 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
496 g_return_if_fail (flags >=0 && flags < 256);
497 message->flags = flags;
500 /* ---------------------------------------------------------------------------------------------------- */
503 * g_dbus_message_get_serial:
504 * @message: A #GDBusMessage.
506 * Gets the serial for @message.
508 * Returns: A #guint32.
513 g_dbus_message_get_serial (GDBusMessage *message)
515 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), 0);
516 return message->serial;
520 * g_dbus_message_set_serial:
521 * @message: A #GDBusMessage.
522 * @serial: A #guint32.
524 * Sets the serial for @message.
529 g_dbus_message_set_serial (GDBusMessage *message,
532 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
533 message->serial = serial;
536 /* ---------------------------------------------------------------------------------------------------- */
538 /* TODO: need GI annotations to specify that any guchar value goes for header_field */
541 * g_dbus_message_get_header:
542 * @message: A #GDBusMessage.
543 * @header_field: A 8-bit unsigned integer (typically a value from the #GDBusMessageHeaderField enumeration)
545 * Gets a header field on @message.
547 * Returns: A #GVariant with the value if the header was found, %NULL
548 * otherwise. Do not free, it is owned by @message.
553 g_dbus_message_get_header (GDBusMessage *message,
554 GDBusMessageHeaderField header_field)
556 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
557 g_return_val_if_fail (header_field >=0 && header_field < 256, NULL);
558 return g_hash_table_lookup (message->headers, GUINT_TO_POINTER (header_field));
562 * g_dbus_message_set_header:
563 * @message: A #GDBusMessage.
564 * @header_field: A 8-bit unsigned integer (typically a value from the #GDBusMessageHeaderField enumeration)
565 * @value: A #GVariant to set the header field or %NULL to clear the header field.
567 * Sets a header field on @message.
569 * If @value is floating, @message assumes ownership of @value.
574 g_dbus_message_set_header (GDBusMessage *message,
575 GDBusMessageHeaderField header_field,
578 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
579 g_return_if_fail (header_field >=0 && header_field < 256);
582 g_hash_table_remove (message->headers, GUINT_TO_POINTER (header_field));
586 g_hash_table_insert (message->headers, GUINT_TO_POINTER (header_field), g_variant_ref_sink (value));
591 * g_dbus_message_get_header_fields:
592 * @message: A #GDBusMessage.
594 * Gets an array of all header fields on @message that are set.
596 * Returns: An array of header fields terminated by
597 * %G_DBUS_MESSAGE_HEADER_FIELD_INVALID. Each element is a
598 * #guchar. Free with g_free().
603 g_dbus_message_get_header_fields (GDBusMessage *message)
611 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
613 keys = g_hash_table_get_keys (message->headers);
614 num_keys = g_list_length (keys);
615 ret = g_new (guchar, num_keys + 1);
616 for (l = keys, n = 0; l != NULL; l = l->next, n++)
617 ret[n] = GPOINTER_TO_UINT (l->data);
618 g_assert (n == num_keys);
619 ret[n] = G_DBUS_MESSAGE_HEADER_FIELD_INVALID;
625 /* ---------------------------------------------------------------------------------------------------- */
628 * g_dbus_message_get_body:
629 * @message: A #GDBusMessage.
631 * Gets the body of a message.
633 * Returns: A #GVariant or %NULL if the body is empty. Do not free, it is owned by @message.
638 g_dbus_message_get_body (GDBusMessage *message)
640 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
641 return message->body;
645 * g_dbus_message_set_body:
646 * @message: A #GDBusMessage.
647 * @body: Either %NULL or a #GVariant that is a tuple.
649 * Sets the body @message. As a side-effect the
650 * %G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE header field is set to the
651 * type string of @body (or cleared if @body is %NULL).
653 * If @body is floating, @message assumes ownership of @body.
658 g_dbus_message_set_body (GDBusMessage *message,
661 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
662 g_return_if_fail ((body == NULL) || g_variant_is_of_type (body, G_VARIANT_TYPE_TUPLE));
664 if (message->body != NULL)
665 g_variant_unref (message->body);
668 message->body = NULL;
669 g_dbus_message_set_signature (message, NULL);
673 const gchar *type_string;
674 gsize type_string_len;
677 message->body = g_variant_ref_sink (body);
679 type_string = g_variant_get_type_string (body);
680 type_string_len = strlen (type_string);
681 g_assert (type_string_len >= 2);
682 signature = g_strndup (type_string + 1, type_string_len - 2);
683 g_dbus_message_set_signature (message, signature);
688 /* ---------------------------------------------------------------------------------------------------- */
692 * g_dbus_message_get_unix_fd_list:
693 * @message: A #GDBusMessage.
695 * Gets the UNIX file descriptors associated with @message, if any.
697 * This method is only available on UNIX.
699 * Returns: A #GUnixFDList or %NULL if no file descriptors are
700 * associated. Do not free, this object is owned by @message.
705 g_dbus_message_get_unix_fd_list (GDBusMessage *message)
707 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
708 return message->fd_list;
712 * g_dbus_message_set_unix_fd_list:
713 * @message: A #GDBusMessage.
714 * @fd_list: A #GUnixFDList or %NULL.
716 * Sets the UNIX file descriptors associated with @message. As a
717 * side-effect the %G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS header
718 * field is set to the number of fds in @fd_list (or cleared if
719 * @fd_list is %NULL).
721 * This method is only available on UNIX.
726 g_dbus_message_set_unix_fd_list (GDBusMessage *message,
727 GUnixFDList *fd_list)
729 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
730 g_return_if_fail (fd_list == NULL || G_IS_UNIX_FD_LIST (fd_list));
731 if (message->fd_list != NULL)
732 g_object_unref (message->fd_list);
735 message->fd_list = g_object_ref (fd_list);
736 g_dbus_message_set_num_unix_fds (message, g_unix_fd_list_get_length (fd_list));
740 message->fd_list = NULL;
741 g_dbus_message_set_num_unix_fds (message, 0);
746 /* ---------------------------------------------------------------------------------------------------- */
749 ensure_input_padding (GMemoryInputStream *mis,
756 offset = g_seekable_tell (G_SEEKABLE (mis));
757 wanted_offset = ((offset + padding_size - 1) / padding_size) * padding_size;
759 if (offset != wanted_offset)
761 return g_seekable_seek (G_SEEKABLE (mis), wanted_offset, G_SEEK_SET, NULL, error);
770 read_string (GMemoryInputStream *mis,
771 GDataInputStream *dis,
780 const gchar *end_valid;
782 s = g_string_new (NULL);
785 while (remaining > 0)
790 to_read = MIN (remaining, sizeof (buf));
791 num_read = g_input_stream_read (G_INPUT_STREAM (mis),
800 /* G_GSIZE_FORMAT doesn't work with gettext, so we use %lu */
803 G_IO_ERROR_INVALID_ARGUMENT,
804 _("Wanted to read %lu bytes but got EOF"),
809 remaining -= num_read;
810 g_string_append_len (s, buf, num_read);
814 nul = g_data_input_stream_read_byte (dis, NULL, &local_error);
815 if (local_error != NULL)
817 g_propagate_error (error, local_error);
820 if (!g_utf8_validate (s->str, -1, &end_valid))
824 offset = (gint) (end_valid - s->str);
825 valid_str = g_strndup (s->str, offset);
828 G_IO_ERROR_INVALID_ARGUMENT,
829 _("Expected valid UTF-8 string but found invalid bytes at byte offset %d (length of string is %d). "
830 "The valid UTF-8 string up until that that point was `%s'"),
841 G_IO_ERROR_INVALID_ARGUMENT,
842 _("Expected NUL byte after the string `%s' but found byte %d"),
847 return g_string_free (s, FALSE);
850 g_string_free (s, TRUE);
854 /* if just_align==TRUE, don't read a value, just align the input stream wrt padding */
856 /* returns a non-floating GVariant! */
858 parse_value_from_blob (GMemoryInputStream *mis,
859 GDataInputStream *dis,
860 const GVariantType *type,
869 #ifdef DEBUG_SERIALIZER
873 s = g_variant_type_dup_string (type);
874 g_print ("%*sReading type %s from offset 0x%04x",
877 (gint) g_seekable_tell (G_SEEKABLE (mis)));
880 #endif /* DEBUG_SERIALIZER */
886 if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
888 if (!ensure_input_padding (mis, 4, &local_error))
893 v = g_data_input_stream_read_uint32 (dis, NULL, &local_error);
894 if (local_error != NULL)
896 ret = g_variant_new_boolean (v);
899 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BYTE))
904 v = g_data_input_stream_read_byte (dis, NULL, &local_error);
905 if (local_error != NULL)
907 ret = g_variant_new_byte (v);
910 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
912 if (!ensure_input_padding (mis, 2, &local_error))
917 v = g_data_input_stream_read_int16 (dis, NULL, &local_error);
918 if (local_error != NULL)
920 ret = g_variant_new_int16 (v);
923 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
925 if (!ensure_input_padding (mis, 2, &local_error))
930 v = g_data_input_stream_read_uint16 (dis, NULL, &local_error);
931 if (local_error != NULL)
933 ret = g_variant_new_uint16 (v);
936 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
938 if (!ensure_input_padding (mis, 4, &local_error))
943 v = g_data_input_stream_read_int32 (dis, NULL, &local_error);
944 if (local_error != NULL)
946 ret = g_variant_new_int32 (v);
949 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
951 if (!ensure_input_padding (mis, 4, &local_error))
956 v = g_data_input_stream_read_uint32 (dis, NULL, &local_error);
957 if (local_error != NULL)
959 ret = g_variant_new_uint32 (v);
962 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
964 if (!ensure_input_padding (mis, 8, &local_error))
969 v = g_data_input_stream_read_int64 (dis, NULL, &local_error);
970 if (local_error != NULL)
972 ret = g_variant_new_int64 (v);
975 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
977 if (!ensure_input_padding (mis, 8, &local_error))
982 v = g_data_input_stream_read_uint64 (dis, NULL, &local_error);
983 if (local_error != NULL)
985 ret = g_variant_new_uint64 (v);
988 else if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
990 if (!ensure_input_padding (mis, 8, &local_error))
996 v = g_data_input_stream_read_uint64 (dis, NULL, &local_error);
997 if (local_error != NULL)
999 G_STATIC_ASSERT (sizeof (gdouble) == sizeof (guint64));
1000 encoded = (gdouble *) &v;
1001 ret = g_variant_new_double (*encoded);
1004 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
1006 if (!ensure_input_padding (mis, 4, &local_error))
1012 len = g_data_input_stream_read_uint32 (dis, NULL, &local_error);
1013 if (local_error != NULL)
1015 v = read_string (mis, dis, (gsize) len, &local_error);
1018 ret = g_variant_new_string (v);
1022 else if (g_variant_type_equal (type, G_VARIANT_TYPE_OBJECT_PATH))
1024 if (!ensure_input_padding (mis, 4, &local_error))
1030 len = g_data_input_stream_read_uint32 (dis, NULL, &local_error);
1031 if (local_error != NULL)
1033 v = read_string (mis, dis, (gsize) len, &local_error);
1036 if (!g_variant_is_object_path (v))
1038 g_set_error (&local_error,
1040 G_IO_ERROR_INVALID_ARGUMENT,
1041 _("Parsed value `%s' is not a valid D-Bus object path"),
1046 ret = g_variant_new_object_path (v);
1050 else if (g_variant_type_equal (type, G_VARIANT_TYPE_SIGNATURE))
1056 len = g_data_input_stream_read_byte (dis, NULL, &local_error);
1057 if (local_error != NULL)
1059 v = read_string (mis, dis, (gsize) len, &local_error);
1062 if (!g_variant_is_signature (v))
1064 g_set_error (&local_error,
1066 G_IO_ERROR_INVALID_ARGUMENT,
1067 _("Parsed value `%s' is not a valid D-Bus signature"),
1072 ret = g_variant_new_signature (v);
1076 else if (g_variant_type_equal (type, G_VARIANT_TYPE_HANDLE))
1078 if (!ensure_input_padding (mis, 4, &local_error))
1083 v = g_data_input_stream_read_int32 (dis, NULL, &local_error);
1084 if (local_error != NULL)
1086 ret = g_variant_new_handle (v);
1089 else if (g_variant_type_is_array (type))
1094 const GVariantType *element_type;
1095 GVariantBuilder builder;
1097 if (!ensure_input_padding (mis, 4, &local_error))
1106 array_len = g_data_input_stream_read_uint32 (dis, NULL, &local_error);
1107 if (local_error != NULL)
1111 #ifdef DEBUG_SERIALIZER
1112 g_print (": array spans 0x%04x bytes\n", array_len);
1113 #endif /* DEBUG_SERIALIZER */
1115 if (array_len > (2<<26))
1117 /* G_GUINT32_FORMAT doesn't work with gettext, so use u */
1118 g_set_error (&local_error,
1120 G_IO_ERROR_INVALID_ARGUMENT,
1121 _("Encountered array of length %u bytes. Maximum length is 2<<26 bytes (64 MiB)."),
1127 g_variant_builder_init (&builder, type);
1128 element_type = g_variant_type_element (type);
1133 item = parse_value_from_blob (mis,
1139 g_assert (item == NULL);
1143 /* TODO: optimize array of primitive types */
1144 offset = g_seekable_tell (G_SEEKABLE (mis));
1145 target = offset + array_len;
1146 while (offset < target)
1149 item = parse_value_from_blob (mis,
1157 g_variant_builder_clear (&builder);
1160 g_variant_builder_add_value (&builder, item);
1161 g_variant_unref (item);
1162 offset = g_seekable_tell (G_SEEKABLE (mis));
1168 ret = g_variant_builder_end (&builder);
1172 g_variant_builder_clear (&builder);
1175 else if (g_variant_type_is_dict_entry (type))
1177 const GVariantType *key_type;
1178 const GVariantType *value_type;
1182 if (!ensure_input_padding (mis, 8, &local_error))
1186 #ifdef DEBUG_SERIALIZER
1188 #endif /* DEBUG_SERIALIZER */
1192 key_type = g_variant_type_key (type);
1193 key = parse_value_from_blob (mis,
1201 value_type = g_variant_type_value (type);
1202 value = parse_value_from_blob (mis,
1210 g_variant_unref (key);
1213 ret = g_variant_new_dict_entry (key, value);
1214 g_variant_unref (key);
1215 g_variant_unref (value);
1218 else if (g_variant_type_is_tuple (type))
1220 if (!ensure_input_padding (mis, 8, &local_error))
1224 #ifdef DEBUG_SERIALIZER
1226 #endif /* DEBUG_SERIALIZER */
1230 const GVariantType *element_type;
1231 GVariantBuilder builder;
1233 g_variant_builder_init (&builder, type);
1234 element_type = g_variant_type_first (type);
1235 while (element_type != NULL)
1238 item = parse_value_from_blob (mis,
1246 g_variant_builder_clear (&builder);
1249 g_variant_builder_add_value (&builder, item);
1250 g_variant_unref (item);
1252 element_type = g_variant_type_next (element_type);
1254 ret = g_variant_builder_end (&builder);
1257 else if (g_variant_type_is_variant (type))
1260 #ifdef DEBUG_SERIALIZER
1262 #endif /* DEBUG_SERIALIZER */
1268 GVariantType *variant_type;
1271 siglen = g_data_input_stream_read_byte (dis, NULL, &local_error);
1272 if (local_error != NULL)
1274 sig = read_string (mis, dis, (gsize) siglen, &local_error);
1277 if (!g_variant_is_signature (sig))
1279 g_set_error (&local_error,
1281 G_IO_ERROR_INVALID_ARGUMENT,
1282 _("Parsed value `%s' for variant is not a valid D-Bus signature"),
1287 variant_type = g_variant_type_new (sig);
1289 value = parse_value_from_blob (mis,
1295 g_variant_type_free (variant_type);
1298 ret = g_variant_new_variant (value);
1299 g_variant_unref (value);
1305 s = g_variant_type_dup_string (type);
1306 g_set_error (&local_error,
1308 G_IO_ERROR_INVALID_ARGUMENT,
1309 _("Error deserializing GVariant with type-string `%s' from the D-Bus wire format"),
1315 g_assert ((just_align && ret == NULL) || (!just_align && ret != NULL));
1317 #ifdef DEBUG_SERIALIZER
1323 if (g_variant_type_equal (type, G_VARIANT_TYPE_BYTE))
1325 s = g_strdup_printf ("0x%02x '%c'", g_variant_get_byte (ret), g_variant_get_byte (ret));
1329 s = g_variant_print (ret, FALSE);
1331 g_print (": %s\n", s);
1335 #endif /* DEBUG_SERIALIZER */
1337 /* sink the reference */
1340 g_assert (g_variant_is_floating (ret));
1341 g_variant_ref_sink (ret);
1346 #ifdef DEBUG_SERIALIZER
1348 "%*sFAILURE: %s (%s, %d)\n",
1350 local_error->message,
1351 g_quark_to_string (local_error->domain),
1353 #endif /* DEBUG_SERIALIZER */
1354 g_propagate_error (error, local_error);
1358 /* ---------------------------------------------------------------------------------------------------- */
1360 /* message_header must be at least 16 bytes */
1363 * g_dbus_message_bytes_needed:
1364 * @blob: A blob represent a binary D-Bus message.
1365 * @blob_len: The length of @blob (must be at least 16).
1366 * @error: Return location for error or %NULL.
1368 * Utility function to calculate how many bytes are needed to
1369 * completely deserialize the D-Bus message stored at @blob.
1371 * Returns: Number of bytes needed or -1 if @error is set (e.g. if
1372 * @blob contains invalid data or not enough data is available to
1373 * determine the size).
1378 g_dbus_message_bytes_needed (guchar *blob,
1386 g_return_val_if_fail (blob != NULL, -1);
1387 g_return_val_if_fail (error == NULL || *error == NULL, -1);
1388 g_return_val_if_fail (blob_len >= 16, -1);
1392 /* core header (12 bytes) + ARRAY of STRUCT of (BYTE,VARIANT) */
1393 ret = 12 + 4 + GUINT32_FROM_LE (((guint32 *) blob)[3]);
1394 /* round up so it's a multiple of 8 */
1395 ret = 8 * ((ret + 7)/8);
1396 /* finally add the body size */
1397 ret += GUINT32_FROM_LE (((guint32 *) blob)[1]);
1399 else if (blob[0] == 'B')
1401 /* core header (12 bytes) + ARRAY of STRUCT of (BYTE,VARIANT) */
1402 ret = 12 + 4 + GUINT32_FROM_BE (((guint32 *) blob)[3]);
1403 /* round up so it's a multiple of 8 */
1404 ret = 8 * ((ret + 7)/8);
1405 /* finally add the body size */
1406 ret += GUINT32_FROM_BE (((guint32 *) blob)[1]);
1412 G_IO_ERROR_INVALID_ARGUMENT,
1413 "Unable to determine message blob length - given blob is malformed");
1420 G_IO_ERROR_INVALID_ARGUMENT,
1421 "Blob indicates that message exceeds maximum message length (128MiB)");
1428 /* ---------------------------------------------------------------------------------------------------- */
1431 * g_dbus_message_new_from_blob:
1432 * @blob: A blob represent a binary D-Bus message.
1433 * @blob_len: The length of @blob.
1434 * @capabilities: A #GDBusCapabilityFlags describing what protocol features are supported.
1435 * @error: Return location for error or %NULL.
1437 * Creates a new #GDBusMessage from the data stored at @blob. The byte
1438 * order that the message was in can be retrieved using
1439 * g_dbus_message_get_byte_order().
1441 * Returns: A new #GDBusMessage or %NULL if @error is set. Free with
1447 g_dbus_message_new_from_blob (guchar *blob,
1449 GDBusCapabilityFlags capabilities,
1453 GMemoryInputStream *mis;
1454 GDataInputStream *dis;
1455 GDBusMessage *message;
1457 guchar major_protocol_version;
1458 GDataStreamByteOrder byte_order;
1459 guint32 message_body_len;
1463 GVariant *signature;
1465 /* TODO: check against @capabilities */
1469 g_return_val_if_fail (blob != NULL, NULL);
1470 g_return_val_if_fail (error == NULL || *error == NULL, NULL);
1471 g_return_val_if_fail (blob_len >= 12, NULL);
1473 message = g_dbus_message_new ();
1475 mis = G_MEMORY_INPUT_STREAM (g_memory_input_stream_new_from_data (blob, blob_len, NULL));
1476 dis = g_data_input_stream_new (G_INPUT_STREAM (mis));
1478 endianness = g_data_input_stream_read_byte (dis, NULL, NULL);
1482 byte_order = G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
1483 message->byte_order = G_DBUS_MESSAGE_BYTE_ORDER_LITTLE_ENDIAN;
1486 byte_order = G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN;
1487 message->byte_order = G_DBUS_MESSAGE_BYTE_ORDER_BIG_ENDIAN;
1492 G_IO_ERROR_INVALID_ARGUMENT,
1493 _("Invalid endianness value. Expected 0x6c ('l') or 0x42 ('B') but found value 0x%02x"),
1497 g_data_input_stream_set_byte_order (dis, byte_order);
1499 message->type = g_data_input_stream_read_byte (dis, NULL, NULL);
1500 message->flags = g_data_input_stream_read_byte (dis, NULL, NULL);
1501 major_protocol_version = g_data_input_stream_read_byte (dis, NULL, NULL);
1502 if (major_protocol_version != 1)
1506 G_IO_ERROR_INVALID_ARGUMENT,
1507 _("Invalid major protocol version. Expected 1 but found %d"),
1508 major_protocol_version);
1511 message_body_len = g_data_input_stream_read_uint32 (dis, NULL, NULL);
1512 message->serial = g_data_input_stream_read_uint32 (dis, NULL, NULL);
1514 #ifdef DEBUG_SERIALIZER
1515 g_print ("Parsing blob (blob_len = 0x%04x bytes)\n", (gint) blob_len);
1518 s = _g_dbus_hexdump ((const gchar *) blob, blob_len, 2);
1519 g_print ("%s\n", s);
1522 #endif /* DEBUG_SERIALIZER */
1524 #ifdef DEBUG_SERIALIZER
1525 g_print ("Parsing headers (blob_len = 0x%04x bytes)\n", (gint) blob_len);
1526 #endif /* DEBUG_SERIALIZER */
1527 headers = parse_value_from_blob (mis,
1529 G_VARIANT_TYPE ("a{yv}"),
1533 if (headers == NULL)
1535 g_variant_iter_init (&iter, headers);
1536 while ((item = g_variant_iter_next_value (&iter)) != NULL)
1538 guchar header_field;
1540 g_variant_get (item,
1544 g_dbus_message_set_header (message, header_field, value);
1545 g_variant_unref (value);
1546 g_variant_unref (item);
1548 g_variant_unref (headers);
1550 signature = g_dbus_message_get_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE);
1551 if (signature != NULL)
1553 const gchar *signature_str;
1554 gsize signature_str_len;
1556 signature_str = g_variant_get_string (signature, &signature_str_len);
1558 /* signature but no body */
1559 if (message_body_len == 0 && signature_str_len > 0)
1563 G_IO_ERROR_INVALID_ARGUMENT,
1564 _("Signature header with signature `%s' found but message body is empty"),
1568 else if (signature_str_len > 0)
1570 GVariantType *variant_type;
1571 gchar *tupled_signature_str;
1573 if (!g_variant_is_signature (signature_str))
1577 G_IO_ERROR_INVALID_ARGUMENT,
1578 _("Parsed value `%s' is not a valid D-Bus signature (for body)"),
1582 tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
1583 variant_type = g_variant_type_new (tupled_signature_str);
1584 g_free (tupled_signature_str);
1585 #ifdef DEBUG_SERIALIZER
1586 g_print ("Parsing body (blob_len = 0x%04x bytes)\n", (gint) blob_len);
1587 #endif /* DEBUG_SERIALIZER */
1588 message->body = parse_value_from_blob (mis,
1594 g_variant_type_free (variant_type);
1595 if (message->body == NULL)
1601 /* no signature, this is only OK if the body is empty */
1602 if (message_body_len != 0)
1604 /* G_GUINT32_FORMAT doesn't work with gettext, just use %u */
1607 G_IO_ERROR_INVALID_ARGUMENT,
1608 _("No signature header in message but the message body is %u bytes"),
1618 g_object_unref (dis);
1619 g_object_unref (mis);
1627 if (message != NULL)
1628 g_object_unref (message);
1633 /* ---------------------------------------------------------------------------------------------------- */
1636 ensure_output_padding (GMemoryOutputStream *mos,
1637 GDataOutputStream *dos,
1641 gsize wanted_offset;
1642 gsize padding_needed;
1645 offset = g_memory_output_stream_get_data_size (mos);
1646 wanted_offset = ((offset + padding_size - 1) / padding_size) * padding_size;
1647 padding_needed = wanted_offset - offset;
1649 for (n = 0; n < padding_needed; n++)
1650 g_data_output_stream_put_byte (dos, '\0', NULL, NULL);
1652 return padding_needed;
1655 /* note that value can be NULL for e.g. empty arrays - type is never NULL */
1657 append_value_to_blob (GVariant *value,
1658 const GVariantType *type,
1659 GMemoryOutputStream *mos,
1660 GDataOutputStream *dos,
1661 gsize *out_padding_added,
1664 gsize padding_added;
1668 if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
1670 padding_added = ensure_output_padding (mos, dos, 4);
1673 gboolean v = g_variant_get_boolean (value);
1674 g_data_output_stream_put_uint32 (dos, v, NULL, NULL);
1677 else if (g_variant_type_equal (type, G_VARIANT_TYPE_BYTE))
1681 guint8 v = g_variant_get_byte (value);
1682 g_data_output_stream_put_byte (dos, v, NULL, NULL);
1685 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
1687 padding_added = ensure_output_padding (mos, dos, 2);
1690 gint16 v = g_variant_get_int16 (value);
1691 g_data_output_stream_put_int16 (dos, v, NULL, NULL);
1694 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
1696 padding_added = ensure_output_padding (mos, dos, 2);
1699 guint16 v = g_variant_get_uint16 (value);
1700 g_data_output_stream_put_uint16 (dos, v, NULL, NULL);
1703 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
1705 padding_added = ensure_output_padding (mos, dos, 4);
1708 gint32 v = g_variant_get_int32 (value);
1709 g_data_output_stream_put_int32 (dos, v, NULL, NULL);
1712 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
1714 padding_added = ensure_output_padding (mos, dos, 4);
1717 guint32 v = g_variant_get_uint32 (value);
1718 g_data_output_stream_put_uint32 (dos, v, NULL, NULL);
1721 else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
1723 padding_added = ensure_output_padding (mos, dos, 8);
1726 gint64 v = g_variant_get_int64 (value);
1727 g_data_output_stream_put_int64 (dos, v, NULL, NULL);
1730 else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
1732 padding_added = ensure_output_padding (mos, dos, 8);
1735 guint64 v = g_variant_get_uint64 (value);
1736 g_data_output_stream_put_uint64 (dos, v, NULL, NULL);
1739 else if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
1741 padding_added = ensure_output_padding (mos, dos, 8);
1745 gdouble v = g_variant_get_double (value);
1746 G_STATIC_ASSERT (sizeof (gdouble) == sizeof (guint64));
1747 encoded = (guint64 *) &v;
1748 g_data_output_stream_put_uint64 (dos, *encoded, NULL, NULL);
1751 else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
1753 padding_added = ensure_output_padding (mos, dos, 4);
1759 v = g_variant_get_string (value, &len);
1760 g_assert (g_utf8_validate (v, -1, &end) && (end == v + len));
1761 g_data_output_stream_put_uint32 (dos, len, NULL, NULL);
1762 g_data_output_stream_put_string (dos, v, NULL, NULL);
1763 g_data_output_stream_put_byte (dos, '\0', NULL, NULL);
1766 else if (g_variant_type_equal (type, G_VARIANT_TYPE_OBJECT_PATH))
1768 padding_added = ensure_output_padding (mos, dos, 4);
1772 const gchar *v = g_variant_get_string (value, &len);
1773 g_assert (g_variant_is_object_path (v));
1774 g_data_output_stream_put_uint32 (dos, len, NULL, NULL);
1775 g_data_output_stream_put_string (dos, v, NULL, NULL);
1776 g_data_output_stream_put_byte (dos, '\0', NULL, NULL);
1779 else if (g_variant_type_equal (type, G_VARIANT_TYPE_SIGNATURE))
1784 const gchar *v = g_variant_get_string (value, &len);
1785 g_assert (g_variant_is_signature (v));
1786 g_data_output_stream_put_byte (dos, len, NULL, NULL);
1787 g_data_output_stream_put_string (dos, v, NULL, NULL);
1788 g_data_output_stream_put_byte (dos, '\0', NULL, NULL);
1791 else if (g_variant_type_equal (type, G_VARIANT_TYPE_HANDLE))
1793 padding_added = ensure_output_padding (mos, dos, 4);
1796 gint32 v = g_variant_get_handle (value);
1797 g_data_output_stream_put_int32 (dos, v, NULL, NULL);
1800 else if (g_variant_type_is_array (type))
1804 goffset array_len_offset;
1805 goffset array_payload_begin_offset;
1809 padding_added = ensure_output_padding (mos, dos, 4);
1812 /* array length - will be filled in later */
1813 array_len_offset = g_memory_output_stream_get_data_size (mos);
1814 g_data_output_stream_put_uint32 (dos, 0xF00DFACE, NULL, NULL);
1816 /* From the D-Bus spec:
1818 * "A UINT32 giving the length of the array data in bytes,
1819 * followed by alignment padding to the alignment boundary of
1820 * the array element type, followed by each array element. The
1821 * array length is from the end of the alignment padding to
1822 * the end of the last element, i.e. it does not include the
1823 * padding after the length, or any padding after the last
1826 * Thus, we need to count how much padding the first element
1827 * contributes and subtract that from the array length.
1829 array_payload_begin_offset = g_memory_output_stream_get_data_size (mos);
1831 if (g_variant_n_children (value) == 0)
1833 gsize padding_added_for_item;
1834 if (!append_value_to_blob (NULL,
1835 g_variant_type_element (type),
1838 &padding_added_for_item,
1841 array_payload_begin_offset += padding_added_for_item;
1847 g_variant_iter_init (&iter, value);
1848 while ((item = g_variant_iter_next_value (&iter)) != NULL)
1850 gsize padding_added_for_item;
1851 if (!append_value_to_blob (item,
1852 g_variant_get_type (item),
1855 &padding_added_for_item,
1858 g_variant_unref (item);
1861 g_variant_unref (item);
1864 array_payload_begin_offset += padding_added_for_item;
1870 cur_offset = g_memory_output_stream_get_data_size (mos);
1872 array_len = cur_offset - array_payload_begin_offset;
1874 if (!g_seekable_seek (G_SEEKABLE (mos), array_len_offset, G_SEEK_SET, NULL, error))
1877 g_data_output_stream_put_uint32 (dos, array_len, NULL, NULL);
1879 if (!g_seekable_seek (G_SEEKABLE (mos), cur_offset, G_SEEK_SET, NULL, error))
1883 else if (g_variant_type_is_dict_entry (type) || g_variant_type_is_tuple (type))
1885 padding_added = ensure_output_padding (mos, dos, 8);
1890 g_variant_iter_init (&iter, value);
1891 while ((item = g_variant_iter_next_value (&iter)) != NULL)
1893 if (!append_value_to_blob (item,
1894 g_variant_get_type (item),
1900 g_variant_unref (item);
1903 g_variant_unref (item);
1907 else if (g_variant_type_is_variant (type))
1912 const gchar *signature;
1913 child = g_variant_get_child_value (value, 0);
1914 signature = g_variant_get_type_string (child);
1915 g_data_output_stream_put_byte (dos, strlen (signature), NULL, NULL);
1916 g_data_output_stream_put_string (dos, signature, NULL, NULL);
1917 g_data_output_stream_put_byte (dos, '\0', NULL, NULL);
1918 if (!append_value_to_blob (child,
1919 g_variant_get_type (child),
1925 g_variant_unref (child);
1928 g_variant_unref (child);
1935 G_IO_ERROR_INVALID_ARGUMENT,
1936 _("Error serializing GVariant with type-string `%s' to the D-Bus wire format"),
1937 g_variant_get_type_string (value));
1941 if (out_padding_added != NULL)
1942 *out_padding_added = padding_added;
1951 append_body_to_blob (GVariant *value,
1952 GMemoryOutputStream *mos,
1953 GDataOutputStream *dos,
1962 if (!g_variant_is_of_type (value, G_VARIANT_TYPE_TUPLE))
1966 G_IO_ERROR_INVALID_ARGUMENT,
1967 "Expected a tuple for the body of the GDBusMessage.");
1971 g_variant_iter_init (&iter, value);
1972 while ((item = g_variant_iter_next_value (&iter)) != NULL)
1974 if (!append_value_to_blob (item,
1975 g_variant_get_type (item),
1981 g_variant_unref (item);
1984 g_variant_unref (item);
1992 /* ---------------------------------------------------------------------------------------------------- */
1995 * g_dbus_message_to_blob:
1996 * @message: A #GDBusMessage.
1997 * @out_size: Return location for size of generated blob.
1998 * @capabilities: A #GDBusCapabilityFlags describing what protocol features are supported.
1999 * @error: Return location for error.
2001 * Serializes @message to a blob. The byte order returned by
2002 * g_dbus_message_get_byte_order() will be used.
2004 * Returns: A pointer to a valid binary D-Bus message of @out_size bytes
2005 * generated by @message or %NULL if @error is set. Free with g_free().
2010 g_dbus_message_to_blob (GDBusMessage *message,
2012 GDBusCapabilityFlags capabilities,
2015 GMemoryOutputStream *mos;
2016 GDataOutputStream *dos;
2019 GDataStreamByteOrder byte_order;
2020 goffset body_len_offset;
2021 goffset body_start_offset;
2023 GVariant *header_fields;
2024 GVariantBuilder builder;
2025 GHashTableIter hash_iter;
2027 GVariant *header_value;
2028 GVariant *signature;
2029 const gchar *signature_str;
2030 gint num_fds_in_message;
2031 gint num_fds_according_to_header;
2033 /* TODO: check against @capabilities */
2037 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2038 g_return_val_if_fail (out_size != NULL, NULL);
2039 g_return_val_if_fail (error == NULL || *error == NULL, NULL);
2041 mos = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new (NULL, 0, g_realloc, g_free));
2042 dos = g_data_output_stream_new (G_OUTPUT_STREAM (mos));
2044 switch (message->byte_order)
2046 case G_DBUS_MESSAGE_BYTE_ORDER_BIG_ENDIAN:
2047 byte_order = G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN;
2049 case G_DBUS_MESSAGE_BYTE_ORDER_LITTLE_ENDIAN:
2050 byte_order = G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
2053 g_data_output_stream_set_byte_order (dos, byte_order);
2056 g_data_output_stream_put_byte (dos, (guchar) message->byte_order, NULL, NULL);
2057 g_data_output_stream_put_byte (dos, message->type, NULL, NULL);
2058 g_data_output_stream_put_byte (dos, message->flags, NULL, NULL);
2059 g_data_output_stream_put_byte (dos, 1, NULL, NULL); /* major protocol version */
2060 body_len_offset = g_memory_output_stream_get_data_size (mos);
2061 /* body length - will be filled in later */
2062 g_data_output_stream_put_uint32 (dos, 0xF00DFACE, NULL, NULL);
2063 g_data_output_stream_put_uint32 (dos, message->serial, NULL, NULL);
2065 num_fds_in_message = 0;
2067 if (message->fd_list != NULL)
2068 num_fds_in_message = g_unix_fd_list_get_length (message->fd_list);
2070 num_fds_according_to_header = g_dbus_message_get_num_unix_fds (message);
2071 /* TODO: check we have all the right header fields and that they are the correct value etc etc */
2072 if (num_fds_in_message != num_fds_according_to_header)
2076 G_IO_ERROR_INVALID_ARGUMENT,
2077 _("Message has %d fds but the header field indicates %d fds"),
2079 num_fds_according_to_header);
2083 g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{yv}"));
2084 g_hash_table_iter_init (&hash_iter, message->headers);
2085 while (g_hash_table_iter_next (&hash_iter, &key, (gpointer) &header_value))
2087 g_variant_builder_add (&builder,
2089 (guchar) GPOINTER_TO_UINT (key),
2092 header_fields = g_variant_builder_end (&builder);
2094 if (!append_value_to_blob (header_fields,
2095 g_variant_get_type (header_fields),
2100 g_variant_unref (header_fields);
2103 g_variant_unref (header_fields);
2105 /* header size must be a multiple of 8 */
2106 ensure_output_padding (mos, dos, 8);
2108 body_start_offset = g_memory_output_stream_get_data_size (mos);
2110 signature = g_dbus_message_get_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE);
2111 signature_str = NULL;
2112 if (signature != NULL)
2113 signature_str = g_variant_get_string (signature, NULL);
2114 if (message->body != NULL)
2116 gchar *tupled_signature_str;
2117 tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
2118 if (signature == NULL)
2122 G_IO_ERROR_INVALID_ARGUMENT,
2123 _("Message body has signature `%s' but there is no signature header"),
2125 g_free (tupled_signature_str);
2128 else if (g_strcmp0 (tupled_signature_str, g_variant_get_type_string (message->body)) != 0)
2132 G_IO_ERROR_INVALID_ARGUMENT,
2133 _("Message body has type signature `%s' but signature in the header field is `%s'"),
2134 tupled_signature_str, g_variant_get_type_string (message->body));
2135 g_free (tupled_signature_str);
2138 g_free (tupled_signature_str);
2139 if (!append_body_to_blob (message->body, mos, dos, error))
2144 if (signature != NULL && strlen (signature_str) > 0)
2148 G_IO_ERROR_INVALID_ARGUMENT,
2149 _("Message body is empty but signature in the header field is `(%s)'"),
2155 /* OK, we're done writing the message - set the body length */
2156 size = g_memory_output_stream_get_data_size (mos);
2157 body_size = size - body_start_offset;
2159 if (!g_seekable_seek (G_SEEKABLE (mos), body_len_offset, G_SEEK_SET, NULL, error))
2162 g_data_output_stream_put_uint32 (dos, body_size, NULL, NULL);
2165 ret = g_memdup (g_memory_output_stream_get_data (mos), size);
2168 g_object_unref (dos);
2169 g_object_unref (mos);
2174 /* ---------------------------------------------------------------------------------------------------- */
2177 get_uint32_header (GDBusMessage *message,
2178 GDBusMessageHeaderField header_field)
2184 value = g_hash_table_lookup (message->headers, GUINT_TO_POINTER (header_field));
2185 if (value != NULL && g_variant_is_of_type (value, G_VARIANT_TYPE_UINT32))
2186 ret = g_variant_get_uint32 (value);
2191 static const gchar *
2192 get_string_header (GDBusMessage *message,
2193 GDBusMessageHeaderField header_field)
2199 value = g_hash_table_lookup (message->headers, GUINT_TO_POINTER (header_field));
2200 if (value != NULL && g_variant_is_of_type (value, G_VARIANT_TYPE_STRING))
2201 ret = g_variant_get_string (value, NULL);
2206 static const gchar *
2207 get_object_path_header (GDBusMessage *message,
2208 GDBusMessageHeaderField header_field)
2214 value = g_hash_table_lookup (message->headers, GUINT_TO_POINTER (header_field));
2215 if (value != NULL && g_variant_is_of_type (value, G_VARIANT_TYPE_OBJECT_PATH))
2216 ret = g_variant_get_string (value, NULL);
2221 static const gchar *
2222 get_signature_header (GDBusMessage *message,
2223 GDBusMessageHeaderField header_field)
2229 value = g_hash_table_lookup (message->headers, GUINT_TO_POINTER (header_field));
2230 if (value != NULL && g_variant_is_of_type (value, G_VARIANT_TYPE_SIGNATURE))
2231 ret = g_variant_get_string (value, NULL);
2236 /* ---------------------------------------------------------------------------------------------------- */
2239 set_uint32_header (GDBusMessage *message,
2240 GDBusMessageHeaderField header_field,
2243 g_dbus_message_set_header (message,
2245 g_variant_new_uint32 (value));
2249 set_string_header (GDBusMessage *message,
2250 GDBusMessageHeaderField header_field,
2253 g_dbus_message_set_header (message,
2255 value == NULL ? NULL : g_variant_new_string (value));
2259 set_object_path_header (GDBusMessage *message,
2260 GDBusMessageHeaderField header_field,
2263 g_dbus_message_set_header (message,
2265 value == NULL ? NULL : g_variant_new_object_path (value));
2269 set_signature_header (GDBusMessage *message,
2270 GDBusMessageHeaderField header_field,
2273 g_dbus_message_set_header (message,
2275 value == NULL ? NULL : g_variant_new_signature (value));
2278 /* ---------------------------------------------------------------------------------------------------- */
2281 * g_dbus_message_get_reply_serial:
2282 * @message: A #GDBusMessage.
2284 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL header field.
2286 * Returns: The value.
2291 g_dbus_message_get_reply_serial (GDBusMessage *message)
2293 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), 0);
2294 return get_uint32_header (message, G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL);
2298 * g_dbus_message_set_reply_serial:
2299 * @message: A #GDBusMessage.
2300 * @value: The value to set.
2302 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL header field.
2307 g_dbus_message_set_reply_serial (GDBusMessage *message,
2310 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2311 set_uint32_header (message, G_DBUS_MESSAGE_HEADER_FIELD_REPLY_SERIAL, value);
2314 /* ---------------------------------------------------------------------------------------------------- */
2317 * g_dbus_message_get_interface:
2318 * @message: A #GDBusMessage.
2320 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE header field.
2322 * Returns: The value.
2327 g_dbus_message_get_interface (GDBusMessage *message)
2329 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2330 return get_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE);
2334 * g_dbus_message_set_interface:
2335 * @message: A #GDBusMessage.
2336 * @value: The value to set.
2338 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE header field.
2343 g_dbus_message_set_interface (GDBusMessage *message,
2346 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2347 g_return_if_fail (value == NULL || g_dbus_is_interface_name (value));
2348 set_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_INTERFACE, value);
2351 /* ---------------------------------------------------------------------------------------------------- */
2354 * g_dbus_message_get_member:
2355 * @message: A #GDBusMessage.
2357 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_MEMBER header field.
2359 * Returns: The value.
2364 g_dbus_message_get_member (GDBusMessage *message)
2366 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2367 return get_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_MEMBER);
2371 * g_dbus_message_set_member:
2372 * @message: A #GDBusMessage.
2373 * @value: The value to set.
2375 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_MEMBER header field.
2380 g_dbus_message_set_member (GDBusMessage *message,
2383 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2384 g_return_if_fail (value == NULL || g_dbus_is_member_name (value));
2385 set_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_MEMBER, value);
2388 /* ---------------------------------------------------------------------------------------------------- */
2391 * g_dbus_message_get_path:
2392 * @message: A #GDBusMessage.
2394 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_PATH header field.
2396 * Returns: The value.
2401 g_dbus_message_get_path (GDBusMessage *message)
2403 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2404 return get_object_path_header (message, G_DBUS_MESSAGE_HEADER_FIELD_PATH);
2408 * g_dbus_message_set_path:
2409 * @message: A #GDBusMessage.
2410 * @value: The value to set.
2412 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_PATH header field.
2417 g_dbus_message_set_path (GDBusMessage *message,
2420 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2421 g_return_if_fail (value == NULL || g_variant_is_object_path (value));
2422 set_object_path_header (message, G_DBUS_MESSAGE_HEADER_FIELD_PATH, value);
2425 /* ---------------------------------------------------------------------------------------------------- */
2428 * g_dbus_message_get_sender:
2429 * @message: A #GDBusMessage.
2431 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_SENDER header field.
2433 * Returns: The value.
2438 g_dbus_message_get_sender (GDBusMessage *message)
2440 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2441 return get_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SENDER);
2445 * g_dbus_message_set_sender:
2446 * @message: A #GDBusMessage.
2447 * @value: The value to set.
2449 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_SENDER header field.
2454 g_dbus_message_set_sender (GDBusMessage *message,
2457 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2458 g_return_if_fail (value == NULL || g_dbus_is_name (value));
2459 set_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SENDER, value);
2462 /* ---------------------------------------------------------------------------------------------------- */
2465 * g_dbus_message_get_destination:
2466 * @message: A #GDBusMessage.
2468 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION header field.
2470 * Returns: The value.
2475 g_dbus_message_get_destination (GDBusMessage *message)
2477 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2478 return get_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION);
2482 * g_dbus_message_set_destination:
2483 * @message: A #GDBusMessage.
2484 * @value: The value to set.
2486 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION header field.
2491 g_dbus_message_set_destination (GDBusMessage *message,
2494 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2495 g_return_if_fail (value == NULL || g_dbus_is_name (value));
2496 set_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_DESTINATION, value);
2499 /* ---------------------------------------------------------------------------------------------------- */
2502 * g_dbus_message_get_error_name:
2503 * @message: A #GDBusMessage.
2505 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME header field.
2507 * Returns: The value.
2512 g_dbus_message_get_error_name (GDBusMessage *message)
2514 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2515 return get_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME);
2519 * g_dbus_message_set_error_name:
2520 * @message: A #GDBusMessage.
2521 * @value: The value to set.
2523 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME header field.
2528 g_dbus_message_set_error_name (GDBusMessage *message,
2531 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2532 g_return_if_fail (value == NULL || g_dbus_is_interface_name (value));
2533 set_string_header (message, G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME, value);
2536 /* ---------------------------------------------------------------------------------------------------- */
2539 * g_dbus_message_get_signature:
2540 * @message: A #GDBusMessage.
2542 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE header field.
2544 * Returns: The value.
2549 g_dbus_message_get_signature (GDBusMessage *message)
2552 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2553 ret = get_signature_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE);
2560 * g_dbus_message_set_signature:
2561 * @message: A #GDBusMessage.
2562 * @value: The value to set.
2564 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE header field.
2569 g_dbus_message_set_signature (GDBusMessage *message,
2572 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2573 g_return_if_fail (value == NULL || g_variant_is_signature (value));
2574 set_signature_header (message, G_DBUS_MESSAGE_HEADER_FIELD_SIGNATURE, value);
2577 /* ---------------------------------------------------------------------------------------------------- */
2580 * g_dbus_message_get_arg0:
2581 * @message: A #GDBusMessage.
2583 * Convenience to get the first item in the body of @message.
2585 * Returns: The string item or %NULL if the first item in the body of
2586 * @message is not a string.
2591 g_dbus_message_get_arg0 (GDBusMessage *message)
2595 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2599 if (message->body != NULL && g_variant_is_of_type (message->body, G_VARIANT_TYPE_TUPLE))
2602 item = g_variant_get_child_value (message->body, 0);
2603 if (g_variant_is_of_type (item, G_VARIANT_TYPE_STRING))
2604 ret = g_variant_get_string (item, NULL);
2605 g_variant_unref (item);
2611 /* ---------------------------------------------------------------------------------------------------- */
2614 * g_dbus_message_get_num_unix_fds:
2615 * @message: A #GDBusMessage.
2617 * Convenience getter for the %G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS header field.
2619 * Returns: The value.
2624 g_dbus_message_get_num_unix_fds (GDBusMessage *message)
2626 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), 0);
2627 return get_uint32_header (message, G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS);
2631 * g_dbus_message_set_num_unix_fds:
2632 * @message: A #GDBusMessage.
2633 * @value: The value to set.
2635 * Convenience setter for the %G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS header field.
2640 g_dbus_message_set_num_unix_fds (GDBusMessage *message,
2643 g_return_if_fail (G_IS_DBUS_MESSAGE (message));
2644 set_uint32_header (message, G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS, value);
2647 /* ---------------------------------------------------------------------------------------------------- */
2650 * g_dbus_message_to_gerror:
2651 * @message: A #GDBusMessage.
2652 * @error: The #GError to set.
2654 * If @message is not of type %G_DBUS_MESSAGE_TYPE_ERROR does
2655 * nothing and returns %FALSE.
2657 * Otherwise this method encodes the error in @message as a #GError
2658 * using g_dbus_error_set_dbus_error() using the information in the
2659 * %G_DBUS_MESSAGE_HEADER_FIELD_ERROR_NAME header field of @message as
2660 * well as the first string item in @message's body.
2662 * Returns: %TRUE if @error was set, %FALSE otherwise.
2667 g_dbus_message_to_gerror (GDBusMessage *message,
2671 const gchar *error_name;
2673 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), FALSE);
2676 if (message->type != G_DBUS_MESSAGE_TYPE_ERROR)
2679 error_name = g_dbus_message_get_error_name (message);
2680 if (error_name != NULL)
2684 body = g_dbus_message_get_body (message);
2686 if (body != NULL && g_variant_is_of_type (body, G_VARIANT_TYPE ("(s)")))
2688 const gchar *error_message;
2689 g_variant_get (body, "(&s)", &error_message);
2690 g_dbus_error_set_dbus_error (error,
2697 /* these two situations are valid, yet pretty rare */
2700 g_dbus_error_set_dbus_error (error,
2703 _("Error return with body of type `%s'"),
2704 g_variant_get_type_string (body));
2708 g_dbus_error_set_dbus_error (error,
2711 _("Error return with empty body"));
2717 /* TOOD: this shouldn't happen - should check this at message serialization
2718 * time and disconnect the peer.
2723 "Error return without error-name header!");
2732 /* ---------------------------------------------------------------------------------------------------- */
2735 flags_to_string (GType flags_type, guint value)
2741 klass = g_type_class_ref (flags_type);
2742 s = g_string_new (NULL);
2743 for (n = 0; n < 32; n++)
2745 if ((value & (1<<n)) != 0)
2747 GFlagsValue *flags_value;
2748 flags_value = g_flags_get_first_value (klass, (1<<n));
2750 g_string_append_c (s, ',');
2751 if (flags_value != NULL)
2752 g_string_append (s, flags_value->value_nick);
2754 g_string_append_printf (s, "unknown (bit %d)", n);
2758 g_string_append (s, "none");
2759 g_type_class_unref (klass);
2760 return g_string_free (s, FALSE);
2764 _sort_keys_func (gconstpointer a,
2770 ia = GPOINTER_TO_INT (a);
2771 ib = GPOINTER_TO_INT (b);
2777 * g_dbus_message_print:
2778 * @message: A #GDBusMessage.
2779 * @indent: Indentation level.
2781 * Produces a human-readable multi-line description of @message.
2783 * The contents of the description has no ABI guarantees, the contents
2784 * and formatting is subject to change at any time. Typical output
2785 * looks something like this:
2792 * path -> objectpath '/org/gtk/GDBus/TestObject'
2793 * interface -> 'org.gtk.GDBus.TestInterface'
2794 * member -> 'GimmeStdout'
2795 * destination -> ':1.146'
2797 * UNIX File Descriptors:
2802 * Type: method-return
2803 * Flags: no-reply-expected
2807 * reply-serial -> uint32 4
2808 * destination -> ':1.159'
2809 * sender -> ':1.146'
2810 * num-unix-fds -> uint32 1
2812 * UNIX File Descriptors:
2813 * fd 12: dev=0:10,mode=020620,ino=5,uid=500,gid=5,rdev=136:2,size=0,atime=1273085037,mtime=1273085851,ctime=1272982635
2816 * Returns: A string that should be freed with g_free().
2821 g_dbus_message_print (GDBusMessage *message,
2829 g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
2831 str = g_string_new (NULL);
2833 s = _g_dbus_enum_to_string (G_TYPE_DBUS_MESSAGE_TYPE, message->type);
2834 g_string_append_printf (str, "%*sType: %s\n", indent, "", s);
2836 s = flags_to_string (G_TYPE_DBUS_MESSAGE_FLAGS, message->flags);
2837 g_string_append_printf (str, "%*sFlags: %s\n", indent, "", s);
2839 g_string_append_printf (str, "%*sVersion: %d\n", indent, "", message->major_protocol_version);
2840 g_string_append_printf (str, "%*sSerial: %d\n", indent, "", message->serial);
2842 g_string_append_printf (str, "%*sHeaders:\n", indent, "");
2843 keys = g_hash_table_get_keys (message->headers);
2844 keys = g_list_sort (keys, _sort_keys_func);
2847 for (l = keys; l != NULL; l = l->next)
2849 gint key = GPOINTER_TO_INT (l->data);
2853 value = g_hash_table_lookup (message->headers, l->data);
2854 g_assert (value != NULL);
2856 s = _g_dbus_enum_to_string (G_TYPE_DBUS_MESSAGE_HEADER_FIELD, key);
2857 value_str = g_variant_print (value, TRUE);
2858 g_string_append_printf (str, "%*s %s -> %s\n", indent, "", s, value_str);
2865 g_string_append_printf (str, "%*s (none)\n", indent, "");
2867 g_string_append_printf (str, "%*sBody: ", indent, "");
2868 if (message->body != NULL)
2870 g_variant_print_string (message->body,
2876 g_string_append (str, "()");
2878 g_string_append (str, "\n");
2880 g_string_append_printf (str, "%*sUNIX File Descriptors:\n", indent, "");
2881 if (message->fd_list != NULL)
2887 fds = g_unix_fd_list_peek_fds (message->fd_list, &num_fds);
2890 for (n = 0; n < num_fds; n++)
2893 struct stat statbuf;
2894 fs = g_string_new (NULL);
2895 if (fstat (fds[n], &statbuf) == 0)
2897 g_string_append_printf (fs, "%s" "dev=%d:%d", fs->len > 0 ? "," : "",
2898 major (statbuf.st_dev), minor (statbuf.st_dev));
2899 g_string_append_printf (fs, "%s" "mode=0%o", fs->len > 0 ? "," : "",
2901 g_string_append_printf (fs, "%s" "ino=%" G_GUINT64_FORMAT, fs->len > 0 ? "," : "",
2902 (guint64) statbuf.st_ino);
2903 g_string_append_printf (fs, "%s" "uid=%d", fs->len > 0 ? "," : "",
2905 g_string_append_printf (fs, "%s" "gid=%d", fs->len > 0 ? "," : "",
2907 g_string_append_printf (fs, "%s" "rdev=%d:%d", fs->len > 0 ? "," : "",
2908 major (statbuf.st_rdev), minor (statbuf.st_rdev));
2909 g_string_append_printf (fs, "%s" "size=%" G_GUINT64_FORMAT, fs->len > 0 ? "," : "",
2910 (guint64) statbuf.st_size);
2911 g_string_append_printf (fs, "%s" "atime=%" G_GUINT64_FORMAT, fs->len > 0 ? "," : "",
2912 (guint64) statbuf.st_atime);
2913 g_string_append_printf (fs, "%s" "mtime=%" G_GUINT64_FORMAT, fs->len > 0 ? "," : "",
2914 (guint64) statbuf.st_mtime);
2915 g_string_append_printf (fs, "%s" "ctime=%" G_GUINT64_FORMAT, fs->len > 0 ? "," : "",
2916 (guint64) statbuf.st_ctime);
2920 g_string_append_printf (fs, "(fstat failed: %s)", strerror (errno));
2922 g_string_append_printf (str, "%*s fd %d: %s\n", indent, "", fds[n], fs->str);
2923 g_string_free (fs, TRUE);
2928 g_string_append_printf (str, "%*s (empty)\n", indent, "");
2933 g_string_append_printf (str, "%*s (none)\n", indent, "");
2937 return g_string_free (str, FALSE);