libempathy/empathy-tp-file.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007-2008 Collabora Ltd.
   4  * Copyright (C) 2007 Marco Barisione <marco@barisione.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Authors: Marco Barisione <marco@barisione.org>
  21  *          Jonny Lamb <jonny.lamb@collabora.co.uk>
  22  */
  23
  24 #include <config.h>
  25
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <sys/types.h>
  29 #include <sys/socket.h>
  30 #include <sys/un.h>
  31
  32 #include <glib/gi18n.h>
  33
  34 #include <gio/gio.h>
  35 #include <gio/gunixinputstream.h>
  36 #include <gio/gunixoutputstream.h>
  37
  38 #include <telepathy-glib/proxy-subclass.h>
  39
  40 #include "empathy-tp-file.h"
  41 #include "empathy-contact-factory.h"
  42 #include "empathy-marshal.h"
  43 #include "empathy-time.h"
  44 #include "empathy-utils.h"
  45
  46 #define DEBUG_FLAG EMPATHY_DEBUG_FT
  47 #include "empathy-debug.h"
  48
  49 /**
  50  * SECTION:empathy-tp-file
  51  * @short_description: File channel
  52  * @see_also: #EmpathyTpFile, #EmpathyContact, empathy_dispatcher_send_file()
  53  * @include: libempthy/empathy-tp-file.h
  54  *
  55  * The #EmpathyTpFile object represents a Telepathy file channel.
  56  */
  57
  58 /**
  59  * EMPATHY_TP_FILE_UNKNOWN_SIZE:
  60  *
  61  * Value used for the "size" or "estimated-size" properties when the size of
  62  * the transferred file is unknown.
  63  */
  64
  65 /* Functions to copy the content of a GInputStream to a GOutputStream */
  66
  67 #define N_BUFFERS 2
  68 #define BUFFER_SIZE 4096
  69
  70 typedef struct {
  71   GInputStream *in;
  72   GOutputStream *out;
  73   GCancellable  *cancellable;
  74   char *buff[N_BUFFERS]; /* the temporary buffers */
  75   gsize count[N_BUFFERS]; /* how many bytes are used in the buffers */
  76   gboolean is_full[N_BUFFERS]; /* whether the buffers contain data */
  77   gint curr_read; /* index of the buffer used for reading */
  78   gint curr_write; /* index of the buffer used for writing */
  79   gboolean is_reading; /* we are reading */
  80   gboolean is_writing; /* we are writing */
  81   guint n_closed; /* number of streams that have been closed */
  82   gint ref_count;
  83 } CopyData;
  84
  85 static void schedule_next (CopyData *copy);
  86
  87 static void
  88 copy_data_unref (CopyData *copy)
  89 {
  90   if (--copy->ref_count == 0)
  91     {
  92       gint i;
  93
  94       /* Free the data only if both the input and output streams have
  95        * been closed. */
  96       copy->n_closed++;
  97       if (copy->n_closed < 2)
  98         return;
  99
 100       if (copy->in != NULL)
 101         g_object_unref (copy->in);
 102
 103       if (copy->out != NULL)
 104         g_object_unref (copy->out);
 105
 106       for (i = 0; i < N_BUFFERS; i++)
 107         g_free (copy->buff[i]);
 108
 109       g_object_unref (copy->cancellable);
 110       g_free (copy);
 111     }
 112 }
 113
 114 static void
 115 io_error (CopyData *copy,
 116           GError *error)
 117 {
 118   g_cancellable_cancel (copy->cancellable);
 119
 120   if (error == NULL)
 121     g_warning ("I/O error");
 122   else if (error->domain == G_IO_ERROR && error->code == G_IO_ERROR_CANCELLED)
 123     ; /* Ignore cancellations */
 124   else
 125     g_warning ("I/O error: %d: %s\n", error->code, error->message);
 126
 127   if (copy->in != NULL)
 128     g_input_stream_close (copy->in, NULL, NULL);
 129
 130   if (copy->out != NULL)
 131     g_output_stream_close (copy->out, NULL, NULL);
 132
 133   copy_data_unref (copy);
 134 }
 135
 136 static void
 137 close_done (GObject *source_object,
 138             GAsyncResult *res,
 139             gpointer user_data)
 140 {
 141   CopyData *copy = user_data;
 142
 143   g_object_unref (source_object);
 144   copy_data_unref (copy);
 145 }
 146
 147 static void
 148 write_done_cb (GObject *source_object,
 149                GAsyncResult *res,
 150                gpointer user_data)
 151 {
 152   CopyData *copy = user_data;
 153   gssize count_write;
 154   GError *error = NULL;
 155
 156   count_write = g_output_stream_write_finish (copy->out, res, &error);
 157
 158   if (count_write <= 0)
 159     {
 160       io_error (copy, error);
 161       g_error_free (error);
 162       return;
 163     }
 164
 165   copy->is_full[copy->curr_write] = FALSE;
 166   copy->curr_write = (copy->curr_write + 1) % N_BUFFERS;
 167   copy->is_writing = FALSE;
 168
 169   schedule_next (copy);
 170 }
 171
 172 static void
 173 read_done_cb (GObject *source_object,
 174               GAsyncResult *res,
 175               gpointer user_data)
 176 {
 177   CopyData *copy = user_data;
 178   gssize count_read;
 179   GError *error = NULL;
 180
 181   count_read = g_input_stream_read_finish (copy->in, res, &error);
 182
 183   if (count_read == 0)
 184     {
 185       g_input_stream_close_async (copy->in, 0, copy->cancellable,
 186           close_done, copy);
 187       copy->in = NULL;
 188     }
 189   else if (count_read < 0)
 190     {
 191       io_error (copy, error);
 192       g_error_free (error);
 193       return;
 194     }
 195
 196   copy->count[copy->curr_read] = count_read;
 197   copy->is_full[copy->curr_read] = TRUE;
 198   copy->curr_read = (copy->curr_read + 1) % N_BUFFERS;
 199   copy->is_reading = FALSE;
 200
 201   schedule_next (copy);
 202 }
 203
 204 static void
 205 schedule_next (CopyData *copy)
 206 {
 207   if (copy->in != NULL &&
 208       !copy->is_reading &&
 209       !copy->is_full[copy->curr_read])
 210     {
 211       /* We are not reading and the current buffer is empty, so
 212        * start an async read. */
 213       copy->is_reading = TRUE;
 214       g_input_stream_read_async (copy->in,
 215           copy->buff[copy->curr_read],
 216           BUFFER_SIZE, 0, copy->cancellable,
 217           read_done_cb, copy);
 218     }
 219
 220   if (!copy->is_writing &&
 221       copy->is_full[copy->curr_write])
 222     {
 223       if (copy->count[copy->curr_write] == 0)
 224         {
 225           /* The last read on the buffer read 0 bytes, this
 226            * means that we got an EOF, so we can close
 227            * the output channel. */
 228           g_output_stream_close_async (copy->out, 0,
 229               copy->cancellable,
 230               close_done, copy);
 231       copy->out = NULL;
 232         }
 233       else
 234         {
 235           /* We are not writing and the current buffer contains
 236            * data, so start an async write. */
 237           copy->is_writing = TRUE;
 238           g_output_stream_write_async (copy->out,
 239               copy->buff[copy->curr_write],
 240               copy->count[copy->curr_write],
 241               0, copy->cancellable,
 242               write_done_cb, copy);
 243         }
 244     }
 245 }
 246
 247 static void
 248 copy_stream (GInputStream *in,
 249              GOutputStream *out,
 250              GCancellable *cancellable)
 251 {
 252   CopyData *copy;
 253   gint i;
 254
 255   g_return_if_fail (in != NULL);
 256   g_return_if_fail (out != NULL);
 257
 258   copy = g_new0 (CopyData, 1);
 259   copy->in = g_object_ref (in);
 260   copy->out = g_object_ref (out);
 261   copy->ref_count = 1;
 262
 263   if (cancellable != NULL)
 264     copy->cancellable = g_object_ref (cancellable);
 265   else
 266     copy->cancellable = g_cancellable_new ();
 267
 268   for (i = 0; i < N_BUFFERS; i++)
 269     copy->buff[i] = g_malloc (BUFFER_SIZE);
 270
 271   schedule_next (copy);
 272 }
 273
 274 /* EmpathyTpFile object */
 275
 276 struct _EmpathyTpFilePriv {
 277   EmpathyContactFactory *factory;
 278   gchar *id;
 279   MissionControl *mc;
 280   TpChannel *channel;
 281
 282   EmpathyContact *contact;
 283   GInputStream *in_stream;
 284   GOutputStream *out_stream;
 285
 286   /* org.freedesktop.Telepathy.Channel.Type.FileTransfer D-Bus properties */
 287   EmpFileTransferState state;
 288   gchar *content_type;
 289   gchar *filename;
 290   guint64 size;
 291   EmpFileHashType content_hash_type;
 292   gchar *content_hash;
 293   gchar *description;
 294   guint64 transferred_bytes;
 295
 296   gboolean incoming;
 297   EmpFileTransferStateChangeReason state_change_reason;
 298   time_t start_time;
 299   gchar *unix_socket_path;
 300   GCancellable *cancellable;
 301 };
 302
 303 enum {
 304   PROP_0,
 305   PROP_CHANNEL,
 306   PROP_STATE,
 307   PROP_INCOMING,
 308   PROP_FILENAME,
 309   PROP_SIZE,
 310   PROP_CONTENT_TYPE,
 311   PROP_TRANSFERRED_BYTES,
 312   PROP_CONTENT_HASH_TYPE,
 313   PROP_CONTENT_HASH,
 314 };
 315
 316 G_DEFINE_TYPE (EmpathyTpFile, empathy_tp_file, G_TYPE_OBJECT);
 317
 318 static void
 319 empathy_tp_file_init (EmpathyTpFile *tp_file)
 320 {
 321   EmpathyTpFilePriv *priv;
 322
 323   priv = G_TYPE_INSTANCE_GET_PRIVATE ((tp_file),
 324       EMPATHY_TYPE_TP_FILE, EmpathyTpFilePriv);
 325
 326   tp_file->priv = priv;
 327 }
 328
 329 static void
 330 tp_file_invalidated_cb (TpProxy       *proxy,
 331                         guint          domain,
 332                         gint           code,
 333                         gchar         *message,
 334                         EmpathyTpFile *tp_file)
 335 {
 336         DEBUG ("Channel invalidated: %s", message);
 337         tp_file->priv->state = EMP_FILE_TRANSFER_STATE_CANCELLED;
 338         tp_file->priv->state_change_reason =
 339             EMP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_ERROR;
 340         g_object_notify (G_OBJECT (tp_file), "state");
 341 }
 342
 343 static void
 344 tp_file_finalize (GObject *object)
 345 {
 346   EmpathyTpFile *tp_file;
 347
 348   tp_file = EMPATHY_TP_FILE (object);
 349
 350   if (tp_file->priv->channel)
 351     {
 352       DEBUG ("Closing channel..");
 353       g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 354           tp_file_invalidated_cb, object);
 355       tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL,
 356           NULL, NULL);
 357       g_object_unref (tp_file->priv->channel);
 358     }
 359
 360   if (tp_file->priv->factory)
 361     {
 362       g_object_unref (tp_file->priv->factory);
 363     }
 364   if (tp_file->priv->mc)
 365     {
 366       g_object_unref (tp_file->priv->mc);
 367     }
 368
 369   g_free (tp_file->priv->id);
 370   g_free (tp_file->priv->filename);
 371   g_free (tp_file->priv->unix_socket_path);
 372   g_free (tp_file->priv->description);
 373   g_free (tp_file->priv->content_hash);
 374   g_free (tp_file->priv->content_type);
 375
 376   if (tp_file->priv->in_stream)
 377     g_object_unref (tp_file->priv->in_stream);
 378
 379   if (tp_file->priv->out_stream)
 380     g_object_unref (tp_file->priv->out_stream);
 381
 382   if (tp_file->priv->contact)
 383     g_object_unref (tp_file->priv->contact);
 384
 385   if (tp_file->priv->cancellable)
 386     g_object_unref (tp_file->priv->cancellable);
 387
 388   G_OBJECT_CLASS (empathy_tp_file_parent_class)->finalize (object);
 389 }
 390
 391 static gint
 392 _get_local_socket (EmpathyTpFile *tp_file)
 393 {
 394   gint fd;
 395   size_t path_len;
 396   struct sockaddr_un addr;
 397
 398   if (G_STR_EMPTY (tp_file->priv->unix_socket_path))
 399     return -1;
 400
 401   fd = socket (PF_UNIX, SOCK_STREAM, 0);
 402   if (fd < 0)
 403     return -1;
 404
 405   memset (&addr, 0, sizeof (addr));
 406   addr.sun_family = AF_UNIX;
 407   path_len = strlen (tp_file->priv->unix_socket_path);
 408   strncpy (addr.sun_path, tp_file->priv->unix_socket_path, path_len);
 409
 410   if (connect (fd, (struct sockaddr*) &addr,
 411       sizeof (addr)) < 0)
 412     {
 413       close (fd);
 414       return -1;
 415     }
 416
 417   return fd;
 418 }
 419
 420 static void
 421 send_tp_file (EmpathyTpFile *tp_file)
 422 {
 423   gint socket_fd;
 424   GOutputStream *socket_stream;
 425
 426   DEBUG ("Sending file content: filename=%s",
 427       tp_file->priv->filename);
 428
 429   g_return_if_fail (tp_file->priv->in_stream);
 430
 431   socket_fd = _get_local_socket (tp_file);
 432   if (socket_fd < 0)
 433     {
 434       DEBUG ("failed to get local socket fd");
 435       return;
 436     }
 437   DEBUG ("got local socket fd");
 438   socket_stream = g_unix_output_stream_new (socket_fd, TRUE);
 439
 440   tp_file->priv->cancellable = g_cancellable_new ();
 441
 442   copy_stream (tp_file->priv->in_stream, socket_stream,
 443       tp_file->priv->cancellable);
 444
 445   g_object_unref (socket_stream);
 446 }
 447
 448 static void
 449 receive_tp_file (EmpathyTpFile *tp_file)
 450 {
 451   GInputStream *socket_stream;
 452   gint socket_fd;
 453
 454   socket_fd = _get_local_socket (tp_file);
 455
 456   if (socket_fd < 0)
 457     return;
 458
 459   socket_stream = g_unix_input_stream_new (socket_fd, TRUE);
 460
 461   tp_file->priv->cancellable = g_cancellable_new ();
 462
 463   copy_stream (socket_stream, tp_file->priv->out_stream,
 464       tp_file->priv->cancellable);
 465
 466   g_object_unref (socket_stream);
 467 }
 468
 469 static void
 470 tp_file_state_changed_cb (DBusGProxy *tp_file_iface,
 471                           EmpFileTransferState state,
 472                           EmpFileTransferStateChangeReason reason,
 473                           EmpathyTpFile *tp_file)
 474 {
 475   DEBUG ("File transfer state changed: filename=%s, "
 476       "old state=%u, state=%u, reason=%u",
 477       tp_file->priv->filename, tp_file->priv->state, state, reason);
 478
 479   if (state == EMP_FILE_TRANSFER_STATE_OPEN)
 480     tp_file->priv->start_time = empathy_time_get_current ();
 481
 482   DEBUG ("state = %u, incoming = %s, in_stream = %s, out_stream = %s",
 483       state, tp_file->priv->incoming ? "yes" : "no",
 484       tp_file->priv->in_stream ? "present" : "not present",
 485       tp_file->priv->out_stream ? "present" : "not present");
 486
 487   if (state == EMP_FILE_TRANSFER_STATE_OPEN && !tp_file->priv->incoming &&
 488       tp_file->priv->in_stream)
 489     send_tp_file (tp_file);
 490   else if (state == EMP_FILE_TRANSFER_STATE_OPEN && tp_file->priv->incoming &&
 491       tp_file->priv->out_stream)
 492     receive_tp_file (tp_file);
 493
 494   tp_file->priv->state = state;
 495   tp_file->priv->state_change_reason = reason;
 496
 497   g_object_notify (G_OBJECT (tp_file), "state");
 498 }
 499
 500 static void
 501 tp_file_transferred_bytes_changed_cb (TpProxy *proxy,
 502                                       guint64 count,
 503                                       EmpathyTpFile *tp_file,
 504                                       GObject *weak_object)
 505 {
 506   if (tp_file->priv->transferred_bytes == count)
 507     return;
 508
 509   tp_file->priv->transferred_bytes = count;
 510
 511   g_object_notify (G_OBJECT (tp_file), "transferred-bytes");
 512 }
 513
 514 static GObject *
 515 tp_file_constructor (GType type,
 516                      guint n_props,
 517                      GObjectConstructParam *props)
 518 {
 519   GObject *file_obj;
 520   EmpathyTpFile *tp_file;
 521   TpHandle handle;
 522   GHashTable *properties;
 523   McAccount *account;
 524   GValue *requested;
 525
 526   file_obj = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type,
 527       n_props, props);
 528
 529   tp_file = EMPATHY_TP_FILE (file_obj);
 530
 531   tp_file->priv->factory = empathy_contact_factory_new ();
 532   tp_file->priv->mc = empathy_mission_control_new ();
 533
 534   g_signal_connect (tp_file->priv->channel, "invalidated",
 535     G_CALLBACK (tp_file_invalidated_cb), tp_file);
 536
 537   emp_cli_channel_type_file_transfer_connect_to_file_transfer_state_changed (
 538       TP_PROXY (tp_file->priv->channel),
 539       (emp_cli_channel_type_file_transfer_signal_callback_file_transfer_state_changed)
 540           tp_file_state_changed_cb,
 541       tp_file,
 542       NULL, NULL, NULL);
 543
 544   emp_cli_channel_type_file_transfer_connect_to_transferred_bytes_changed (
 545       TP_PROXY (tp_file->priv->channel),
 546       (emp_cli_channel_type_file_transfer_signal_callback_transferred_bytes_changed)
 547           tp_file_transferred_bytes_changed_cb,
 548       tp_file,
 549       NULL, NULL, NULL);
 550
 551   account = empathy_channel_get_account (tp_file->priv->channel);
 552
 553   handle = tp_channel_get_handle (tp_file->priv->channel, NULL);
 554   tp_file->priv->contact = empathy_contact_factory_get_from_handle (
 555       tp_file->priv->factory, account, (guint) handle);
 556
 557   tp_cli_dbus_properties_run_get_all (tp_file->priv->channel,
 558       -1, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER, &properties, NULL, NULL);
 559
 560   tp_cli_dbus_properties_run_get (tp_file->priv->channel,
 561       -1, TP_IFACE_CHANNEL, "Requested", &requested, NULL, NULL);
 562
 563   tp_file->priv->size = g_value_get_uint64 (
 564       g_hash_table_lookup (properties, "Size"));
 565
 566   tp_file->priv->state = g_value_get_uint (
 567       g_hash_table_lookup (properties, "State"));
 568
 569   tp_file->priv->state_change_reason =
 570       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE;
 571
 572   tp_file->priv->transferred_bytes = g_value_get_uint64 (
 573       g_hash_table_lookup (properties, "TransferredBytes"));
 574
 575   tp_file->priv->filename = g_value_dup_string (
 576       g_hash_table_lookup (properties, "Filename"));
 577
 578   tp_file->priv->content_hash = g_value_dup_string (
 579       g_hash_table_lookup (properties, "ContentHash"));
 580
 581   tp_file->priv->content_hash_type = g_value_get_uint (
 582       g_hash_table_lookup (properties, "ContentHashType"));
 583
 584   tp_file->priv->content_type = g_value_dup_string (
 585       g_hash_table_lookup (properties, "ContentType"));
 586
 587   tp_file->priv->description = g_value_dup_string (
 588       g_hash_table_lookup (properties, "Description"));
 589
 590   tp_file->priv->incoming = !g_value_get_boolean (requested);
 591
 592   g_hash_table_destroy (properties);
 593   g_object_unref (account);
 594   g_value_unset (requested);
 595
 596   return file_obj;
 597 }
 598
 599 static void
 600 tp_file_get_property (GObject *object,
 601                       guint param_id,
 602                       GValue *value,
 603                       GParamSpec *pspec)
 604 {
 605   EmpathyTpFile *tp_file;
 606
 607   tp_file = EMPATHY_TP_FILE (object);
 608
 609   switch (param_id)
 610     {
 611       case PROP_CHANNEL:
 612         g_value_set_object (value, tp_file->priv->channel);
 613         break;
 614       case PROP_INCOMING:
 615         g_value_set_boolean (value, tp_file->priv->incoming);
 616         break;
 617       case PROP_STATE:
 618         g_value_set_uint (value, tp_file->priv->state);
 619         break;
 620       case PROP_CONTENT_TYPE:
 621         g_value_set_string (value, tp_file->priv->content_type);
 622         break;
 623       case PROP_FILENAME:
 624         g_value_set_string (value, tp_file->priv->filename);
 625         break;
 626       case PROP_SIZE:
 627         g_value_set_uint64 (value, tp_file->priv->size);
 628         break;
 629       case PROP_CONTENT_HASH_TYPE:
 630         g_value_set_uint (value, tp_file->priv->content_hash_type);
 631         break;
 632       case PROP_CONTENT_HASH:
 633         g_value_set_string (value, tp_file->priv->content_hash);
 634         break;
 635       case PROP_TRANSFERRED_BYTES:
 636         g_value_set_uint64 (value, tp_file->priv->transferred_bytes);
 637         break;
 638       default:
 639         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 640         break;
 641     };
 642 }
 643
 644 static void
 645 tp_file_channel_set_dbus_property (gpointer proxy,
 646                                    const gchar *property,
 647                                    const GValue *value)
 648 {
 649         DEBUG ("Setting %s property", property);
 650         tp_cli_dbus_properties_call_set (TP_PROXY (proxy), -1,
 651             EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER, property, value,
 652             NULL, NULL, NULL, NULL);
 653 }
 654
 655
 656 static void
 657 tp_file_set_property (GObject *object,
 658                       guint param_id,
 659                       const GValue *value,
 660                       GParamSpec *pspec)
 661 {
 662   EmpathyTpFile *tp_file = (EmpathyTpFile *) object;
 663   switch (param_id)
 664     {
 665       case PROP_CHANNEL:
 666         tp_file->priv->channel = g_object_ref (g_value_get_object (value));
 667         break;
 668       case PROP_STATE:
 669         tp_file->priv->state = g_value_get_uint (value);
 670         break;
 671       case PROP_INCOMING:
 672         tp_file->priv->incoming = g_value_get_boolean (value);
 673         break;
 674       case PROP_FILENAME:
 675         g_free (tp_file->priv->filename);
 676         tp_file->priv->filename = g_value_dup_string (value);
 677         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 678             "Filename", value);
 679         break;
 680       case PROP_SIZE:
 681         tp_file->priv->size = g_value_get_uint64 (value);
 682         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 683             "Size", value);
 684         break;
 685       case PROP_CONTENT_TYPE:
 686         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 687             "ContentType", value);
 688         g_free (tp_file->priv->content_type);
 689         tp_file->priv->content_type = g_value_dup_string (value);
 690         break;
 691       case PROP_CONTENT_HASH:
 692         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 693             "ContentHash", value);
 694         g_free (tp_file->priv->content_hash);
 695         tp_file->priv->content_hash = g_value_dup_string (value);
 696         break;
 697       default:
 698         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 699         break;
 700     };
 701 }
 702
 703 /**
 704  * empathy_tp_file_new:
 705  * @channel: a Telepathy channel
 706  *
 707  * Creates a new #EmpathyTpFile wrapping @channel.
 708  *
 709  * Returns: a new #EmpathyTpFile
 710  */
 711 EmpathyTpFile *
 712 empathy_tp_file_new (TpChannel *channel)
 713 {
 714   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 715
 716   return g_object_new (EMPATHY_TYPE_TP_FILE,
 717       "channel", channel,
 718       NULL);
 719 }
 720
 721 /**
 722  * empathy_tp_file_get_id:
 723  * @tp_file: an #EmpathyTpFile
 724  *
 725  * Returns the ID of @tp_file.
 726  *
 727  * Returns: the ID
 728  */
 729 const gchar *
 730 empathy_tp_file_get_id (EmpathyTpFile *tp_file)
 731 {
 732   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 733
 734   return tp_file->priv->id;
 735 }
 736
 737 /**
 738  * empathy_tp_file_get_channel
 739  * @tp_file: an #EmpathyTpFile
 740  *
 741  * Returns the Telepathy file transfer channel
 742  *
 743  * Returns: the #TpChannel
 744  */
 745 TpChannel *
 746 empathy_tp_file_get_channel (EmpathyTpFile *tp_file)
 747 {
 748   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 749
 750   return tp_file->priv->channel;
 751 }
 752
 753 static void
 754 tp_file_method_cb (TpProxy *proxy,
 755                    const GValue *address,
 756                    const GError *error,
 757                    gpointer user_data,
 758                    GObject *weak_object)
 759 {
 760   EmpathyTpFile *tp_file = (EmpathyTpFile *) weak_object;
 761
 762   if (error)
 763     {
 764       DEBUG ("Error: %s", error->message);
 765       return;
 766     }
 767
 768   if (tp_file->priv->unix_socket_path)
 769     g_free (tp_file->priv->unix_socket_path);
 770
 771   tp_file->priv->unix_socket_path = g_value_dup_string (address);
 772
 773   DEBUG ("Got unix socket path: %s", tp_file->priv->unix_socket_path);
 774 }
 775
 776
 777 /**
 778  * empathy_tp_file_accept:
 779  * @tp_file: an #EmpathyTpFile
 780  * @offset: position where to start the transfer
 781  * @gfile: a #GFile where to write transfered data
 782  * @error: a #GError set if there is an error when opening @gfile
 783  *
 784  * Accepts a file transfer that's in the "local pending" state (i.e.
 785  * EMP_FILE_TRANSFER_STATE_LOCAL_PENDING).
 786  */
 787 void
 788 empathy_tp_file_accept (EmpathyTpFile *tp_file,
 789                         guint64 offset,
 790                         GFile *gfile,
 791                         GError **error)
 792 {
 793   GValue nothing = { 0 };
 794
 795   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 796   g_return_if_fail (G_IS_FILE (gfile));
 797
 798   tp_file->priv->out_stream = G_OUTPUT_STREAM (g_file_replace (gfile, NULL,
 799         FALSE, 0, NULL, error));
 800   if (error && *error)
 801     return;
 802
 803   tp_file->priv->filename = g_file_get_basename (gfile);
 804   g_object_notify (G_OBJECT (tp_file), "filename");
 805
 806   DEBUG ("Accepting file: filename=%s", tp_file->priv->filename);
 807
 808   g_value_init (&nothing, G_TYPE_STRING);
 809   g_value_set_static_string (&nothing, "");
 810
 811   emp_cli_channel_type_file_transfer_call_accept_file (TP_PROXY (
 812       tp_file->priv->channel),
 813       -1, TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 814       &nothing, offset, tp_file_method_cb, NULL, NULL, G_OBJECT (tp_file));
 815 }
 816
 817 /**
 818  * empathy_tp_file_offer:
 819  * @tp_file: an #EmpathyTpFile
 820  * @gfile: a #GFile where to read the data to transfer
 821  * @error: a #GError set if there is an error when opening @gfile
 822  *
 823  * Offers a file transfer that's in the "not offered" state (i.e.
 824  * EMP_FILE_TRANSFER_STATE_NOT_OFFERED).
 825  */
 826 void
 827 empathy_tp_file_offer (EmpathyTpFile *tp_file, GFile *gfile, GError **error)
 828 {
 829   GValue nothing = { 0 };
 830
 831   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 832
 833   tp_file->priv->in_stream = G_INPUT_STREAM (g_file_read (gfile, NULL, error));
 834   if (error && *error)
 835         return;
 836
 837   g_value_init (&nothing, G_TYPE_STRING);
 838   g_value_set_static_string (&nothing, "");
 839
 840   emp_cli_channel_type_file_transfer_call_provide_file (
 841       TP_PROXY (tp_file->priv->channel), -1,
 842       TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 843       &nothing, tp_file_method_cb, NULL, NULL, G_OBJECT (tp_file));
 844 }
 845
 846 EmpathyContact *
 847 empathy_tp_file_get_contact (EmpathyTpFile *tp_file)
 848 {
 849   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 850   return tp_file->priv->contact;
 851 }
 852
 853 const gchar *
 854 empathy_tp_file_get_filename (EmpathyTpFile *tp_file)
 855 {
 856   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 857   return tp_file->priv->filename;
 858 }
 859
 860 gboolean
 861 empathy_tp_file_is_incoming (EmpathyTpFile *tp_file)
 862 {
 863   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), FALSE);
 864   return tp_file->priv->incoming;
 865 }
 866
 867 EmpFileTransferState
 868 empathy_tp_file_get_state (EmpathyTpFile *tp_file,
 869                            EmpFileTransferStateChangeReason *reason)
 870 {
 871   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 872       EMP_FILE_TRANSFER_STATE_NONE);
 873
 874   if (reason != NULL)
 875     *reason = tp_file->priv->state_change_reason;
 876
 877   return tp_file->priv->state;
 878 }
 879
 880 guint64
 881 empathy_tp_file_get_size (EmpathyTpFile *tp_file)
 882 {
 883   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 884       EMPATHY_TP_FILE_UNKNOWN_SIZE);
 885   return tp_file->priv->size;
 886 }
 887
 888 guint64
 889 empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file)
 890 {
 891   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), 0);
 892   return tp_file->priv->transferred_bytes;
 893 }
 894
 895 gint
 896 empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file)
 897 {
 898   time_t curr_time, elapsed_time;
 899   gdouble time_per_byte;
 900   gdouble remaining_time;
 901
 902   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), -1);
 903
 904   if (tp_file->priv->size == EMPATHY_TP_FILE_UNKNOWN_SIZE)
 905     return -1;
 906
 907   if (tp_file->priv->transferred_bytes == tp_file->priv->size)
 908     return 0;
 909
 910   curr_time = empathy_time_get_current ();
 911   elapsed_time = curr_time - tp_file->priv->start_time;
 912   time_per_byte = (gdouble) elapsed_time /
 913       (gdouble) tp_file->priv->transferred_bytes;
 914   remaining_time = time_per_byte * (tp_file->priv->size -
 915       tp_file->priv->transferred_bytes);
 916
 917   return (gint) remaining_time;
 918 }
 919
 920 void
 921 empathy_tp_file_cancel (EmpathyTpFile *tp_file)
 922 {
 923   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 924
 925   tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL, NULL, NULL);
 926
 927   g_cancellable_cancel (tp_file->priv->cancellable);
 928 }
 929
 930 static void
 931 empathy_tp_file_class_init (EmpathyTpFileClass *klass)
 932 {
 933   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 934
 935   object_class->finalize = tp_file_finalize;
 936   object_class->constructor = tp_file_constructor;
 937   object_class->get_property = tp_file_get_property;
 938   object_class->set_property = tp_file_set_property;
 939
 940   /* Construct-only properties */
 941   g_object_class_install_property (object_class,
 942       PROP_CHANNEL,
 943       g_param_spec_object ("channel",
 944           "telepathy channel",
 945           "The file transfer channel",
 946           TP_TYPE_CHANNEL,
 947           G_PARAM_READWRITE |
 948           G_PARAM_CONSTRUCT_ONLY));
 949
 950   g_object_class_install_property (object_class,
 951       PROP_STATE,
 952       g_param_spec_uint ("state",
 953           "state of the transfer",
 954           "The file transfer state",
 955           0,
 956           G_MAXUINT,
 957           G_MAXUINT,
 958           G_PARAM_READWRITE |
 959           G_PARAM_CONSTRUCT));
 960
 961   g_object_class_install_property (object_class,
 962       PROP_INCOMING,
 963       g_param_spec_boolean ("incoming",
 964           "incoming",
 965           "Whether the transfer is incoming",
 966           FALSE,
 967           G_PARAM_READWRITE |
 968           G_PARAM_CONSTRUCT));
 969
 970   g_object_class_install_property (object_class,
 971       PROP_FILENAME,
 972       g_param_spec_string ("filename",
 973           "name of the transfer",
 974           "The file transfer filename",
 975           "",
 976           G_PARAM_READWRITE));
 977
 978   g_object_class_install_property (object_class,
 979       PROP_SIZE,
 980       g_param_spec_uint64 ("size",
 981           "size of the file",
 982           "The file transfer size",
 983           0,
 984           G_MAXUINT64,
 985           G_MAXUINT64,
 986           G_PARAM_READWRITE));
 987
 988   g_object_class_install_property (object_class,
 989       PROP_CONTENT_TYPE,
 990       g_param_spec_string ("content-type",
 991           "file transfer content-type",
 992           "The file transfer content-type",
 993           "",
 994           G_PARAM_READWRITE));
 995
 996   g_object_class_install_property (object_class,
 997       PROP_CONTENT_HASH_TYPE,
 998       g_param_spec_uint ("content-hash-type",
 999           "file transfer hash type",
1000           "The type of the file transfer hash",
1001           0,
1002           G_MAXUINT,
1003           0,
1004           G_PARAM_READWRITE));
1005
1006   g_object_class_install_property (object_class,
1007       PROP_CONTENT_HASH,
1008       g_param_spec_string ("content-hash",
1009           "file transfer hash",
1010           "The hash of the transfer's contents",
1011           "",
1012           G_PARAM_READWRITE));
1013
1014   g_object_class_install_property (object_class,
1015       PROP_TRANSFERRED_BYTES,
1016       g_param_spec_uint64 ("transferred-bytes",
1017           "bytes transferred",
1018           "The number of bytes transferred",
1019           0,
1020           G_MAXUINT64,
1021           0,
1022           G_PARAM_READWRITE));
1023
1024   g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv));
1025 }