2 * Copyright (C) 2007-2009 Collabora Ltd.
3 * Copyright (C) 2007 Marco Barisione <marco@barisione.org>
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 2.1 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 Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 * Authors: Marco Barisione <marco@barisione.org>
20 * Jonny Lamb <jonny.lamb@collabora.co.uk>
21 * Cosimo Cecchi <cosimo.cecchi@collabora.co.uk>
29 #include <sys/types.h>
30 #include <sys/socket.h>
33 #include <glib/gi18n-lib.h>
36 #include <gio/gunixinputstream.h>
37 #include <gio/gunixoutputstream.h>
39 #include <telepathy-glib/proxy-subclass.h>
40 #include <telepathy-glib/util.h>
42 #include "empathy-tp-file.h"
43 #include "empathy-marshal.h"
44 #include "empathy-time.h"
45 #include "empathy-utils.h"
47 #define DEBUG_FLAG EMPATHY_DEBUG_FT
48 #include "empathy-debug.h"
51 * SECTION:empathy-tp-file
52 * @title: EmpathyTpFile
53 * @short_description: Object which represents a Telepathy file channel
54 * @include: libempathy/empathy-tp-file.h
56 * #EmpathyTpFile is an object which represents a Telepathy file channel.
61 * @parent: parent object
63 * Object which represents a Telepathy file channel.
67 * EMPATHY_TP_FILE_UNKNOWN_SIZE:
69 * Value used for the "size" or "estimated-size" properties when the size of
70 * the transferred file is unknown.
73 /* EmpathyTpFile object */
79 GInputStream *in_stream;
80 GOutputStream *out_stream;
82 /* org.freedesktop.Telepathy.Channel.Type.FileTransfer D-Bus properties */
83 TpFileTransferState state;
84 TpFileTransferStateChangeReason state_change_reason;
86 /* transfer properties */
89 GArray *unix_socket_path;
92 /* GCancellable we're passed when offering/accepting the transfer */
93 GCancellable *cancellable;
95 /* callbacks for the operation */
96 EmpathyTpFileProgressCallback progress_callback;
97 gpointer progress_user_data;
98 EmpathyTpFileOperationCallback op_callback;
99 gpointer op_user_data;
101 gboolean dispose_run;
110 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpFile)
112 G_DEFINE_TYPE (EmpathyTpFile, empathy_tp_file, G_TYPE_OBJECT);
114 /* private functions */
117 tp_file_get_state_cb (TpProxy *proxy,
121 GObject *weak_object)
123 EmpathyTpFilePriv *priv = GET_PRIV (weak_object);
127 /* set a default value for the state */
128 priv->state = TP_FILE_TRANSFER_STATE_NONE;
132 priv->state = g_value_get_uint (value);
136 tp_file_invalidated_cb (TpProxy *proxy,
140 EmpathyTpFile *tp_file)
142 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
144 DEBUG ("Channel invalidated: %s", message);
146 if (priv->state != TP_FILE_TRANSFER_STATE_COMPLETED &&
147 priv->state != TP_FILE_TRANSFER_STATE_CANCELLED)
149 /* The channel is not in a finished state, an error occured */
150 priv->state = TP_FILE_TRANSFER_STATE_CANCELLED;
151 priv->state_change_reason =
152 TP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_ERROR;
157 ft_operation_close_clean (EmpathyTpFile *tp_file)
159 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
161 DEBUG ("FT operation close clean");
163 if (priv->op_callback)
164 priv->op_callback (tp_file, NULL, priv->op_user_data);
168 ft_operation_close_with_error (EmpathyTpFile *tp_file,
171 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
173 DEBUG ("FT operation close with error %s", error->message);
175 /* close the channel if it's not cancelled already */
176 if (priv->state != TP_FILE_TRANSFER_STATE_CANCELLED)
177 empathy_tp_file_cancel (tp_file);
179 if (priv->op_callback)
180 priv->op_callback (tp_file, error, priv->op_user_data);
184 splice_stream_ready_cb (GObject *source,
188 EmpathyTpFile *tp_file;
189 GError *error = NULL;
193 DEBUG ("Splice stream ready cb");
195 g_output_stream_splice_finish (G_OUTPUT_STREAM (source), res, &error);
199 ft_operation_close_with_error (tp_file, error);
200 g_clear_error (&error);
206 tp_file_start_transfer (EmpathyTpFile *tp_file)
209 struct sockaddr_un addr;
210 GError *error = NULL;
211 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
213 fd = socket (PF_UNIX, SOCK_STREAM, 0);
218 error = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
219 EMPATHY_FT_ERROR_SOCKET, g_strerror (code));
221 DEBUG ("Failed to create socket, closing channel");
223 ft_operation_close_with_error (tp_file, error);
224 g_clear_error (&error);
229 memset (&addr, 0, sizeof (addr));
230 addr.sun_family = AF_UNIX;
231 strncpy (addr.sun_path, priv->unix_socket_path->data,
232 priv->unix_socket_path->len);
234 if (connect (fd, (struct sockaddr*) &addr, sizeof (addr)) < 0)
238 error = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
239 EMPATHY_FT_ERROR_SOCKET, g_strerror (code));
241 DEBUG ("Failed to connect socket, closing channel");
243 ft_operation_close_with_error (tp_file, error);
245 g_clear_error (&error);
250 DEBUG ("Start the transfer");
252 priv->start_time = empathy_time_get_current ();
254 /* notify we're starting a transfer */
255 if (priv->progress_callback)
256 priv->progress_callback (tp_file, 0, priv->progress_user_data);
260 GInputStream *socket_stream;
262 socket_stream = g_unix_input_stream_new (fd, TRUE);
264 g_output_stream_splice_async (priv->out_stream, socket_stream,
265 G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
266 G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
267 G_PRIORITY_DEFAULT, priv->cancellable,
268 splice_stream_ready_cb, tp_file);
270 g_object_unref (socket_stream);
274 GOutputStream *socket_stream;
276 socket_stream = g_unix_output_stream_new (fd, TRUE);
278 g_output_stream_splice_async (socket_stream, priv->in_stream,
279 G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
280 G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
281 G_PRIORITY_DEFAULT, priv->cancellable,
282 splice_stream_ready_cb, tp_file);
284 g_object_unref (socket_stream);
289 error_from_state_change_reason (TpFileTransferStateChangeReason reason)
298 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE:
299 string = _("No reason was specified");
301 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REQUESTED:
302 string = _("The change in state was requested");
304 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_STOPPED:
305 string = _("You canceled the file transfer");
307 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REMOTE_STOPPED:
308 string = _("The other participant canceled the file transfer");
310 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_ERROR:
311 string = _("Error while trying to transfer the file");
313 case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REMOTE_ERROR:
314 string = _("The other participant is unable to transfer the file");
317 string = _("Unknown reason");
321 retval = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
322 EMPATHY_FT_ERROR_TP_ERROR, string);
328 tp_file_state_changed_cb (TpChannel *proxy,
332 GObject *weak_object)
334 EmpathyTpFilePriv *priv = GET_PRIV (weak_object);
337 if (state == priv->state)
340 DEBUG ("File transfer state changed:\n"
341 "old state = %u, state = %u, reason = %u\n"
342 "\tincoming = %s, in_stream = %s, out_stream = %s",
343 priv->state, state, reason,
344 priv->incoming ? "yes" : "no",
345 priv->in_stream ? "present" : "not present",
346 priv->out_stream ? "present" : "not present");
349 priv->state_change_reason = reason;
351 /* If the channel is open AND we have the socket path, we can start the
352 * transfer. The socket path could be NULL if we are not doing the actual
353 * data transfer but are just an observer for the channel.
355 if (state == TP_FILE_TRANSFER_STATE_OPEN &&
356 priv->unix_socket_path != NULL)
357 tp_file_start_transfer (EMPATHY_TP_FILE (weak_object));
359 if (state == TP_FILE_TRANSFER_STATE_COMPLETED)
360 ft_operation_close_clean (EMPATHY_TP_FILE (weak_object));
362 if (state == TP_FILE_TRANSFER_STATE_CANCELLED)
364 error = error_from_state_change_reason (priv->state_change_reason);
365 ft_operation_close_with_error (EMPATHY_TP_FILE (weak_object), error);
370 tp_file_transferred_bytes_changed_cb (TpChannel *proxy,
373 GObject *weak_object)
375 EmpathyTpFilePriv *priv = GET_PRIV (weak_object);
377 /* don't notify for 0 bytes count */
382 if (priv->progress_callback)
383 priv->progress_callback (EMPATHY_TP_FILE (weak_object),
384 count, priv->progress_user_data);
388 ft_operation_provide_or_accept_file_cb (TpChannel *proxy,
389 const GValue *address,
392 GObject *weak_object)
394 EmpathyTpFile *tp_file = EMPATHY_TP_FILE (weak_object);
395 GError *myerr = NULL;
396 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
398 g_cancellable_set_error_if_cancelled (priv->cancellable, &myerr);
404 /* if we were both cancelled and failed when calling the method,
405 * report the method error.
407 g_clear_error (&myerr);
408 myerr = g_error_copy (error);
414 DEBUG ("Error: %s", error->message);
415 ft_operation_close_with_error (tp_file, myerr);
416 g_clear_error (&myerr);
420 if (G_VALUE_TYPE (address) == DBUS_TYPE_G_UCHAR_ARRAY)
422 priv->unix_socket_path = g_value_dup_boxed (address);
424 else if (G_VALUE_TYPE (address) == G_TYPE_STRING)
426 /* Old bugged version of telepathy-salut used to store the address
427 * as a 's' instead of an 'ay' */
430 path = g_value_get_string (address);
431 priv->unix_socket_path = g_array_sized_new (TRUE, FALSE, sizeof (gchar),
433 g_array_insert_vals (priv->unix_socket_path, 0, path, strlen (path));
436 DEBUG ("Got unix socket path: %s", priv->unix_socket_path->data);
438 /* if the channel is already open, start the transfer now, otherwise,
439 * wait for the state change signal.
441 if (priv->state == TP_FILE_TRANSFER_STATE_OPEN)
442 tp_file_start_transfer (tp_file);
446 file_read_async_cb (GObject *source,
450 GValue nothing = { 0 };
451 EmpathyTpFile *tp_file = user_data;
452 EmpathyTpFilePriv *priv;
453 GFileInputStream *in_stream;
454 GError *error = NULL;
456 priv = GET_PRIV (tp_file);
458 in_stream = g_file_read_finish (G_FILE (source), res, &error);
462 ft_operation_close_with_error (tp_file, error);
463 g_clear_error (&error);
467 priv->in_stream = G_INPUT_STREAM (in_stream);
469 g_value_init (¬hing, G_TYPE_STRING);
470 g_value_set_static_string (¬hing, "");
472 tp_cli_channel_type_file_transfer_call_provide_file (
474 TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
475 ¬hing, ft_operation_provide_or_accept_file_cb, NULL, NULL, G_OBJECT (tp_file));
479 file_replace_async_cb (GObject *source,
483 GValue nothing = { 0 };
484 EmpathyTpFile *tp_file = user_data;
485 EmpathyTpFilePriv *priv;
486 GError *error = NULL;
487 GFileOutputStream *out_stream;
489 priv = GET_PRIV (tp_file);
491 out_stream = g_file_replace_finish (G_FILE (source), res, &error);
495 ft_operation_close_with_error (tp_file, error);
496 g_clear_error (&error);
501 priv->out_stream = G_OUTPUT_STREAM (out_stream);
503 g_value_init (¬hing, G_TYPE_STRING);
504 g_value_set_static_string (¬hing, "");
506 tp_cli_channel_type_file_transfer_call_accept_file (priv->channel,
507 -1, TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
508 ¬hing, priv->offset,
509 ft_operation_provide_or_accept_file_cb, NULL, NULL, G_OBJECT (tp_file));
513 close_channel_internal (EmpathyTpFile *tp_file,
516 EmpathyTpFilePriv *priv;
518 g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
520 priv = GET_PRIV (tp_file);
522 DEBUG ("Closing channel..");
523 tp_cli_channel_call_close (priv->channel, -1,
524 NULL, NULL, NULL, NULL);
526 if (priv->cancellable != NULL &&
527 !g_cancellable_is_cancelled (priv->cancellable) && cancel)
528 g_cancellable_cancel (priv->cancellable);
531 /* GObject methods */
534 empathy_tp_file_init (EmpathyTpFile *tp_file)
536 EmpathyTpFilePriv *priv;
538 priv = G_TYPE_INSTANCE_GET_PRIVATE ((tp_file),
539 EMPATHY_TYPE_TP_FILE, EmpathyTpFilePriv);
541 tp_file->priv = priv;
545 do_dispose (GObject *object)
547 EmpathyTpFilePriv *priv = GET_PRIV (object);
549 if (priv->dispose_run)
552 priv->dispose_run = TRUE;
556 g_signal_handlers_disconnect_by_func (priv->channel,
557 tp_file_invalidated_cb, object);
558 g_object_unref (priv->channel);
559 priv->channel = NULL;
563 g_object_unref (priv->in_stream);
565 if (priv->out_stream)
566 g_object_unref (priv->out_stream);
568 if (priv->cancellable)
569 g_object_unref (priv->cancellable);
571 G_OBJECT_CLASS (empathy_tp_file_parent_class)->dispose (object);
575 do_finalize (GObject *object)
577 EmpathyTpFilePriv *priv = GET_PRIV (object);
579 DEBUG ("%p", object);
581 if (priv->unix_socket_path != NULL)
583 g_array_free (priv->unix_socket_path, TRUE);
584 priv->unix_socket_path = NULL;
587 G_OBJECT_CLASS (empathy_tp_file_parent_class)->finalize (object);
591 do_get_property (GObject *object,
596 EmpathyTpFilePriv *priv = GET_PRIV (object);
601 g_value_set_object (value, priv->channel);
604 g_value_set_boolean (value, priv->incoming);
607 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
613 do_set_property (GObject *object,
618 EmpathyTpFilePriv *priv = GET_PRIV (object);
622 priv->channel = g_object_ref (g_value_get_object (value));
625 priv->incoming = g_value_get_boolean (value);
628 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
634 do_constructor (GType type,
636 GObjectConstructParam *props)
639 EmpathyTpFile *tp_file;
640 EmpathyTpFilePriv *priv;
642 file_obj = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type,
645 tp_file = EMPATHY_TP_FILE (file_obj);
646 priv = GET_PRIV (tp_file);
648 g_signal_connect (priv->channel, "invalidated",
649 G_CALLBACK (tp_file_invalidated_cb), tp_file);
651 tp_cli_channel_type_file_transfer_connect_to_file_transfer_state_changed (
652 priv->channel, tp_file_state_changed_cb, NULL, NULL,
653 G_OBJECT (tp_file), NULL);
655 tp_cli_channel_type_file_transfer_connect_to_transferred_bytes_changed (
656 priv->channel, tp_file_transferred_bytes_changed_cb,
657 NULL, NULL, G_OBJECT (tp_file), NULL);
659 tp_cli_dbus_properties_call_get (priv->channel,
660 -1, TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER, "State", tp_file_get_state_cb,
661 NULL, NULL, file_obj);
663 priv->state_change_reason =
664 TP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE;
670 empathy_tp_file_class_init (EmpathyTpFileClass *klass)
672 GObjectClass *object_class = G_OBJECT_CLASS (klass);
674 object_class->finalize = do_finalize;
675 object_class->dispose = do_dispose;
676 object_class->constructor = do_constructor;
677 object_class->get_property = do_get_property;
678 object_class->set_property = do_set_property;
680 /* Construct-only properties */
681 g_object_class_install_property (object_class,
683 g_param_spec_object ("channel",
685 "The file transfer channel",
688 G_PARAM_CONSTRUCT_ONLY));
690 g_object_class_install_property (object_class,
692 g_param_spec_boolean ("incoming",
693 "direction of transfer",
694 "The direction of the file being transferred",
697 G_PARAM_CONSTRUCT_ONLY));
699 g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv));
705 * empathy_tp_file_new:
706 * @channel: a #TpChannel
708 * Creates a new #EmpathyTpFile wrapping @channel, or return a new ref to an
709 * existing #EmpathyTpFile for that channel. The returned #EmpathyTpFile
710 * should be unrefed with g_object_unref() when finished with.
712 * Return value: a new #EmpathyTpFile
715 empathy_tp_file_new (TpChannel *channel, gboolean incoming)
717 EmpathyTpFile *tp_file;
719 g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
721 tp_file = g_object_new (EMPATHY_TYPE_TP_FILE,
722 "channel", channel, "incoming", incoming,
729 empathy_tp_file_accept (EmpathyTpFile *tp_file,
732 GCancellable *cancellable,
733 EmpathyTpFileProgressCallback progress_callback,
734 gpointer progress_user_data,
735 EmpathyTpFileOperationCallback op_callback,
736 gpointer op_user_data)
738 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
740 g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
741 g_return_if_fail (G_IS_FILE (gfile));
742 g_return_if_fail (G_IS_CANCELLABLE (cancellable));
744 priv->cancellable = g_object_ref (cancellable);
745 priv->progress_callback = progress_callback;
746 priv->progress_user_data = progress_user_data;
747 priv->op_callback = op_callback;
748 priv->op_user_data = op_user_data;
749 priv->offset = offset;
751 g_file_replace_async (gfile, NULL, FALSE, G_FILE_CREATE_NONE,
752 G_PRIORITY_DEFAULT, cancellable, file_replace_async_cb, tp_file);
756 empathy_tp_file_offer (EmpathyTpFile *tp_file,
758 GCancellable *cancellable,
759 EmpathyTpFileProgressCallback progress_callback,
760 gpointer progress_user_data,
761 EmpathyTpFileOperationCallback op_callback,
762 gpointer op_user_data)
764 EmpathyTpFilePriv *priv = GET_PRIV (tp_file);
766 g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
767 g_return_if_fail (G_IS_FILE (gfile));
768 g_return_if_fail (G_IS_CANCELLABLE (cancellable));
770 priv->cancellable = g_object_ref (cancellable);
771 priv->progress_callback = progress_callback;
772 priv->progress_user_data = progress_user_data;
773 priv->op_callback = op_callback;
774 priv->op_user_data = op_user_data;
776 g_file_read_async (gfile, G_PRIORITY_DEFAULT, cancellable,
777 file_read_async_cb, tp_file);
781 * empathy_tp_file_is_incoming:
782 * @tp_file: an #EmpathyTpFile
784 * Returns whether @tp_file is incoming.
786 * Return value: %TRUE if the @tp_file is incoming, otherwise %FALSE
789 empathy_tp_file_is_incoming (EmpathyTpFile *tp_file)
791 EmpathyTpFilePriv *priv;
793 g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), FALSE);
795 priv = GET_PRIV (tp_file);
797 return priv->incoming;
801 empathy_tp_file_cancel (EmpathyTpFile *tp_file)
803 close_channel_internal (tp_file, TRUE);
807 * empathy_tp_file_is_ready:
808 * @tp_file: an #EmpathyTpFile
810 * Returns whether the file channel @tp_file is ready for use.
812 * @tp_file is classed as ready if its state is no longer
813 * %TP_FILE_TRANSFER_STATE_NONE, or if details about the remote
814 * contact have been fully received.
816 * Return value: %TRUE if @tp_file is ready for use
819 empathy_tp_file_is_ready (EmpathyTpFile *tp_file)
821 close_channel_internal (tp_file, FALSE);