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 <libtelepathy/tp-conn.h>
  39 #include <libtelepathy/tp-helpers.h>
  40 #include <libtelepathy/tp-props-iface.h>
  41
  42 #include <telepathy-glib/proxy-subclass.h>
  43
  44 #include "empathy-tp-file.h"
  45 #include "empathy-contact-factory.h"
  46 #include "empathy-marshal.h"
  47 #include "empathy-time.h"
  48 #include "empathy-utils.h"
  49
  50 #define DEBUG_FLAG EMPATHY_DEBUG_FT
  51 #include "empathy-debug.h"
  52
  53 /**
  54  * SECTION:empathy-tp-file
  55  * @short_description: File channel
  56  * @see_also: #EmpathyTpFile, #EmpathyContact, empathy_send_file()
  57  * @include: libempthy/empathy-tp-file.h
  58  *
  59  * The #EmpathyTpFile object represents a Telepathy file channel.
  60  */
  61
  62 /**
  63  * EMPATHY_TP_FILE_UNKNOWN_SIZE:
  64  *
  65  * Value used for the "size" or "estimated-size" properties when the size of
  66  * the transferred file is unknown.
  67  */
  68
  69 /* Functions to copy the content of a GInputStream to a GOutputStream */
  70
  71 #define N_BUFFERS 2
  72 #define BUFFER_SIZE 4096
  73
  74 typedef struct {
  75   GInputStream *in;
  76   GOutputStream *out;
  77   GCancellable  *cancellable;
  78   char *buff[N_BUFFERS]; /* the temporary buffers */
  79   gsize count[N_BUFFERS]; /* how many bytes are used in the buffers */
  80   gboolean is_full[N_BUFFERS]; /* whether the buffers contain data */
  81   gint curr_read; /* index of the buffer used for reading */
  82   gint curr_write; /* index of the buffer used for writing */
  83   gboolean is_reading; /* we are reading */
  84   gboolean is_writing; /* we are writing */
  85   guint n_closed; /* number of streams that have been closed */
  86 } CopyData;
  87
  88 static void schedule_next (CopyData *copy);
  89
  90 static void
  91 free_copy_data_if_closed (CopyData *copy)
  92 {
  93   gint i;
  94
  95   /* Free the data only if both the input and output streams have
  96    * been closed. */
  97   copy->n_closed++;
  98   if (copy->n_closed < 2)
  99     return;
 100
 101   if (copy->in != NULL)
 102     g_object_unref (copy->in);
 103
 104   if (copy->out != NULL)
 105     g_object_unref (copy->out);
 106
 107   for (i = 0; i < N_BUFFERS; i++)
 108     g_free (copy->buff[i]);
 109
 110   g_object_unref (copy->cancellable);
 111   g_free (copy);
 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   free_copy_data_if_closed (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   free_copy_data_if_closed (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
 262   if (cancellable != NULL)
 263     copy->cancellable = g_object_ref (cancellable);
 264   else
 265     copy->cancellable = g_cancellable_new ();
 266
 267   for (i = 0; i < N_BUFFERS; i++)
 268     copy->buff[i] = g_malloc (BUFFER_SIZE);
 269
 270   schedule_next (copy);
 271 }
 272
 273 /* EmpathyTpFile object */
 274
 275 struct _EmpathyTpFilePriv {
 276   EmpathyContactFactory *factory;
 277   McAccount *account;
 278   gchar *id;
 279   MissionControl *mc;
 280   TpChannel *channel;
 281
 282   EmpathyTpFile *cached_empathy_file;
 283   EmpathyContact *contact;
 284   GInputStream *in_stream;
 285   GOutputStream *out_stream;
 286   gboolean incoming;
 287   gchar *filename;
 288   EmpFileTransferState state;
 289   EmpFileTransferStateChangeReason state_change_reason;
 290   guint64 size;
 291   guint64 transferred_bytes;
 292   gint64 start_time;
 293   gchar *unix_socket_path;
 294   gchar *content_hash;
 295   EmpFileHashType content_hash_type;
 296   gchar *content_type;
 297   gchar *description;
 298   GCancellable *cancellable;
 299 };
 300
 301 enum {
 302   PROP_0,
 303   PROP_ACCOUNT,
 304   PROP_CHANNEL,
 305   PROP_STATE,
 306   PROP_INCOMING,
 307   PROP_FILENAME,
 308   PROP_SIZE,
 309   PROP_CONTENT_TYPE,
 310   PROP_TRANSFERRED_BYTES,
 311   PROP_CONTENT_HASH_TYPE,
 312   PROP_CONTENT_HASH,
 313   PROP_IN_STREAM,
 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_destroy_cb (TpChannel *file_channel,
 331                     EmpathyTpFile *tp_file)
 332 {
 333   DEBUG ("Channel Closed or CM crashed");
 334
 335   g_object_unref (tp_file->priv->channel);
 336   tp_file->priv->channel = NULL;
 337 }
 338
 339 static void
 340 tp_file_finalize (GObject *object)
 341 {
 342   EmpathyTpFile *tp_file;
 343
 344   tp_file = EMPATHY_TP_FILE (object);
 345
 346   if (tp_file->priv->channel)
 347     {
 348       DEBUG ("Closing channel..");
 349       g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 350           tp_file_destroy_cb, object);
 351       tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL,
 352           NULL, NULL);
 353       if (G_IS_OBJECT (tp_file->priv->channel))
 354         g_object_unref (tp_file->priv->channel);
 355     }
 356
 357   if (tp_file->priv->factory)
 358     {
 359       g_object_unref (tp_file->priv->factory);
 360     }
 361   if (tp_file->priv->account)
 362     {
 363       g_object_unref (tp_file->priv->account);
 364     }
 365   if (tp_file->priv->mc)
 366     {
 367       g_object_unref (tp_file->priv->mc);
 368     }
 369
 370   g_free (tp_file->priv->id);
 371   g_free (tp_file->priv->filename);
 372   g_free (tp_file->priv->unix_socket_path);
 373   g_free (tp_file->priv->description);
 374   g_free (tp_file->priv->content_hash);
 375   g_free (tp_file->priv->content_type);
 376
 377   if (tp_file->priv->in_stream)
 378     g_object_unref (tp_file->priv->in_stream);
 379
 380   if (tp_file->priv->out_stream)
 381     g_object_unref (tp_file->priv->out_stream);
 382
 383   if (tp_file->priv->contact)
 384     g_object_unref (tp_file->priv->contact);
 385
 386   if (tp_file->priv->cancellable)
 387     g_object_unref (tp_file->priv->cancellable);
 388
 389   G_OBJECT_CLASS (empathy_tp_file_parent_class)->finalize (object);
 390 }
 391
 392 static void
 393 tp_file_get_all_cb (TpProxy *proxy,
 394                     GHashTable *properties,
 395                     const GError *error,
 396                     gpointer user_data,
 397                     GObject *weak_object)
 398 {
 399   EmpathyTpFile *tp_file = (EmpathyTpFile *) user_data;
 400
 401   if (error)
 402     {
 403       DEBUG ("Failed to get properties: %s", error->message);
 404       return;
 405     }
 406
 407   tp_file->priv->size = g_value_get_uint64 (
 408       g_hash_table_lookup (properties, "Size"));
 409
 410   tp_file->priv->state = g_value_get_uint (
 411       g_hash_table_lookup (properties, "State"));
 412
 413   /* Invalid reason, so empathy_file_get_state_change_reason() can give
 414    * a warning if called for a not closed file transfer. */
 415   tp_file->priv->state_change_reason = -1;
 416
 417   tp_file->priv->transferred_bytes = g_value_get_uint64 (
 418       g_hash_table_lookup (properties, "TransferredBytes"));
 419
 420   tp_file->priv->filename = g_value_dup_string (
 421       g_hash_table_lookup (properties, "Filename"));
 422
 423   tp_file->priv->content_hash = g_value_dup_string (
 424       g_hash_table_lookup (properties, "ContentHash"));
 425
 426   tp_file->priv->description = g_value_dup_string (
 427       g_hash_table_lookup (properties, "Description"));
 428
 429   if (tp_file->priv->state == EMP_FILE_TRANSFER_STATE_LOCAL_PENDING)
 430     tp_file->priv->incoming = TRUE;
 431
 432   g_hash_table_destroy (properties);
 433 }
 434
 435 static void
 436 tp_file_closed_cb (TpChannel *file_channel,
 437                    EmpathyTpFile *tp_file,
 438                    GObject *weak_object)
 439 {
 440   /* The channel is closed, do just like if the proxy was destroyed */
 441   g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 442       tp_file_destroy_cb,
 443       tp_file);
 444   tp_file_destroy_cb (file_channel, tp_file);
 445 }
 446
 447 static gint64
 448 get_time_msec (void)
 449 {
 450   GTimeVal tv;
 451
 452   g_get_current_time (&tv);
 453   return ((gint64) tv.tv_sec) * 1000 + tv.tv_usec / 1000;
 454 }
 455
 456 static gint
 457 _get_local_socket (EmpathyTpFile *tp_file)
 458 {
 459   gint fd;
 460   size_t path_len;
 461   struct sockaddr_un addr;
 462
 463   if (G_STR_EMPTY (tp_file->priv->unix_socket_path))
 464     return -1;
 465
 466   fd = socket (PF_UNIX, SOCK_STREAM, 0);
 467   if (fd < 0)
 468     return -1;
 469
 470   memset (&addr, 0, sizeof (addr));
 471   addr.sun_family = AF_UNIX;
 472   path_len = strlen (tp_file->priv->unix_socket_path);
 473   strncpy (addr.sun_path, tp_file->priv->unix_socket_path, path_len);
 474
 475   if (connect (fd, (struct sockaddr*) &addr,
 476       sizeof (addr)) < 0)
 477     {
 478       close (fd);
 479       return -1;
 480     }
 481
 482   return fd;
 483 }
 484
 485 static void
 486 send_tp_file (EmpathyTpFile *tp_file)
 487 {
 488   gint socket_fd;
 489   GOutputStream *socket_stream;
 490
 491   DEBUG ("Sending file content: filename=%s",
 492       tp_file->priv->filename);
 493
 494   g_return_if_fail (tp_file->priv->in_stream);
 495
 496   socket_fd = _get_local_socket (tp_file);
 497   if (socket_fd < 0)
 498     {
 499       DEBUG ("failed to get local socket fd");
 500       return;
 501     }
 502   DEBUG ("got local socket fd");
 503   socket_stream = g_unix_output_stream_new (socket_fd, TRUE);
 504
 505   tp_file->priv->cancellable = g_cancellable_new ();
 506
 507   copy_stream (tp_file->priv->in_stream, socket_stream,
 508       tp_file->priv->cancellable);
 509
 510   g_object_unref (socket_stream);
 511 }
 512
 513 static void
 514 receive_tp_file (EmpathyTpFile *tp_file)
 515 {
 516   GInputStream *socket_stream;
 517   gint socket_fd;
 518
 519   socket_fd = _get_local_socket (tp_file);
 520
 521   if (socket_fd < 0)
 522     return;
 523
 524   socket_stream = g_unix_input_stream_new (socket_fd, TRUE);
 525
 526   tp_file->priv->cancellable = g_cancellable_new ();
 527
 528   copy_stream (socket_stream, tp_file->priv->out_stream,
 529       tp_file->priv->cancellable);
 530
 531   g_object_unref (socket_stream);
 532 }
 533
 534 static void
 535 tp_file_state_changed_cb (DBusGProxy *tp_file_iface,
 536                           EmpFileTransferState state,
 537                           EmpFileTransferStateChangeReason reason,
 538                           EmpathyTpFile *tp_file)
 539 {
 540   DEBUG ("File transfer state changed: filename=%s, "
 541       "old state=%u, state=%u, reason=%u",
 542       tp_file->priv->filename, tp_file->priv->state, state, reason);
 543
 544   if (state == EMP_FILE_TRANSFER_STATE_OPEN)
 545     tp_file->priv->start_time = get_time_msec ();
 546
 547   DEBUG ("state = %u, incoming = %s, in_stream = %s, out_stream = %s",
 548       state, tp_file->priv->incoming ? "yes" : "no",
 549       tp_file->priv->in_stream ? "present" : "not present",
 550       tp_file->priv->out_stream ? "present" : "not present");
 551
 552   if (state == EMP_FILE_TRANSFER_STATE_OPEN && !tp_file->priv->incoming &&
 553       tp_file->priv->in_stream)
 554     send_tp_file (tp_file);
 555   else if (state == EMP_FILE_TRANSFER_STATE_OPEN && tp_file->priv->incoming &&
 556       tp_file->priv->out_stream)
 557     receive_tp_file (tp_file);
 558
 559   tp_file->priv->state = state;
 560   tp_file->priv->state_change_reason = reason;
 561
 562   g_object_notify (G_OBJECT (tp_file), "state");
 563 }
 564
 565 static void
 566 tp_file_transferred_bytes_changed_cb (TpProxy *proxy,
 567                                       guint64 count,
 568                                       EmpathyTpFile *tp_file,
 569                                       GObject *weak_object)
 570 {
 571   if (tp_file->priv->transferred_bytes == count)
 572     return;
 573
 574   tp_file->priv->transferred_bytes = count;
 575
 576   g_object_notify (G_OBJECT (tp_file), "transferred-bytes");
 577 }
 578
 579 static GObject *
 580 tp_file_constructor (GType type,
 581                      guint n_props,
 582                      GObjectConstructParam *props)
 583 {
 584   GObject *file_obj;
 585   EmpathyTpFile *tp_file;
 586   TpHandle handle;
 587
 588   file_obj = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type,
 589       n_props, props);
 590
 591   tp_file = EMPATHY_TP_FILE (file_obj);
 592
 593   tp_file->priv->factory = empathy_contact_factory_new ();
 594   tp_file->priv->mc = empathy_mission_control_new ();
 595
 596   tp_cli_channel_connect_to_closed (tp_file->priv->channel,
 597       (tp_cli_channel_signal_callback_closed) tp_file_closed_cb,
 598       tp_file,
 599       NULL, NULL, NULL);
 600
 601   emp_cli_channel_type_file_connect_to_file_transfer_state_changed (
 602       TP_PROXY (tp_file->priv->channel),
 603       (emp_cli_channel_type_file_signal_callback_file_transfer_state_changed)
 604           tp_file_state_changed_cb,
 605       tp_file,
 606       NULL, NULL, NULL);
 607
 608   emp_cli_channel_type_file_connect_to_transferred_bytes_changed (
 609       TP_PROXY (tp_file->priv->channel),
 610       (emp_cli_channel_type_file_signal_callback_transferred_bytes_changed)
 611           tp_file_transferred_bytes_changed_cb,
 612       tp_file,
 613       NULL, NULL, NULL);
 614
 615   handle = tp_channel_get_handle (tp_file->priv->channel, NULL);
 616   tp_file->priv->contact = empathy_contact_factory_get_from_handle (
 617       tp_file->priv->factory, tp_file->priv->account, (guint) handle);
 618
 619   tp_cli_dbus_properties_call_get_all (tp_file->priv->channel,
 620       -1, EMP_IFACE_CHANNEL_TYPE_FILE, tp_file_get_all_cb, tp_file, NULL, NULL);
 621
 622   return file_obj;
 623 }
 624
 625 static void
 626 tp_file_get_property (GObject *object,
 627                       guint param_id,
 628                       GValue *value,
 629                       GParamSpec *pspec)
 630 {
 631   EmpathyTpFile *tp_file;
 632
 633   tp_file = EMPATHY_TP_FILE (object);
 634
 635   switch (param_id)
 636     {
 637       case PROP_ACCOUNT:
 638         g_value_set_object (value, tp_file->priv->account);
 639         break;
 640       case PROP_CHANNEL:
 641         g_value_set_object (value, tp_file->priv->channel);
 642         break;
 643       default:
 644         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 645         break;
 646     };
 647 }
 648
 649 static void
 650 tp_file_channel_set_dbus_property (gpointer proxy,
 651                                    const gchar *property,
 652                                    const GValue *value)
 653 {
 654         DEBUG ("Setting %s property", property);
 655         tp_cli_dbus_properties_call_set (TP_PROXY (proxy), -1,
 656             EMP_IFACE_CHANNEL_TYPE_FILE, property, value,
 657             NULL, NULL, NULL, NULL);
 658 }
 659
 660
 661 static void
 662 tp_file_set_property (GObject *object,
 663                       guint param_id,
 664                       const GValue *value,
 665                       GParamSpec *pspec)
 666 {
 667   EmpathyTpFile *tp_file = (EmpathyTpFile *) object;
 668   switch (param_id)
 669     {
 670       case PROP_ACCOUNT:
 671         tp_file->priv->account = g_object_ref (g_value_get_object (value));
 672         break;
 673       case PROP_CHANNEL:
 674         tp_file->priv->channel = g_object_ref (g_value_get_object (value));
 675         break;
 676       case PROP_STATE:
 677         tp_file->priv->state = g_value_get_uint (value);
 678         break;
 679       case PROP_INCOMING:
 680         tp_file->priv->incoming = g_value_get_boolean (value);
 681         break;
 682       case PROP_FILENAME:
 683         g_free (tp_file->priv->filename);
 684         tp_file->priv->filename = g_value_dup_string (value);
 685         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 686             "Filename", value);
 687         break;
 688       case PROP_SIZE:
 689         tp_file->priv->size = g_value_get_uint64 (value);
 690         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 691             "Size", value);
 692         break;
 693       case PROP_CONTENT_TYPE:
 694         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 695             "ContentType", value);
 696         g_free (tp_file->priv->content_type);
 697         tp_file->priv->content_type = g_value_dup_string (value);
 698         break;
 699       case PROP_CONTENT_HASH:
 700         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 701             "ContentHash", value);
 702         g_free (tp_file->priv->content_hash);
 703         tp_file->priv->content_hash = g_value_dup_string (value);
 704         break;
 705       case PROP_IN_STREAM:
 706         if (tp_file->priv->in_stream)
 707           g_object_unref (tp_file->priv->in_stream);
 708         tp_file->priv->in_stream = g_object_ref (g_value_get_object (value));
 709         break;
 710       default:
 711         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 712         break;
 713     };
 714 }
 715
 716 /**
 717  * empathy_tp_file_new:
 718  * @account: the #McAccount for the channel
 719  * @channel: a Telepathy channel
 720  *
 721  * Creates a new #EmpathyTpFile wrapping @channel.
 722  *
 723  * Returns: a new #EmpathyTpFile
 724  */
 725 EmpathyTpFile *
 726 empathy_tp_file_new (McAccount *account,
 727                      TpChannel *channel)
 728 {
 729   g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 730   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 731
 732   return g_object_new (EMPATHY_TYPE_TP_FILE,
 733       "account", account,
 734       "channel", channel,
 735       NULL);
 736 }
 737
 738 /**
 739  * empathy_tp_file_get_id:
 740  * @tp_file: an #EmpathyTpFile
 741  *
 742  * Returns the ID of @tp_file.
 743  *
 744  * Returns: the ID
 745  */
 746 const gchar *
 747 empathy_tp_file_get_id (EmpathyTpFile *tp_file)
 748 {
 749   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 750
 751   return tp_file->priv->id;
 752 }
 753
 754 /**
 755  * empathy_tp_file_get_channel
 756  * @tp_file: an #EmpathyTpFile
 757  *
 758  * Returns the Telepathy file transfer channel
 759  *
 760  * Returns: the #TpChannel
 761  */
 762 TpChannel *
 763 empathy_tp_file_get_channel (EmpathyTpFile *tp_file)
 764 {
 765   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 766
 767   return tp_file->priv->channel;
 768 }
 769
 770 static void
 771 tp_file_method_cb (TpProxy *proxy,
 772                    const GValue *address,
 773                    const GError *error,
 774                    gpointer user_data,
 775                    GObject *weak_object)
 776 {
 777   EmpathyTpFile *tp_file = (EmpathyTpFile *) user_data;
 778
 779   if (error)
 780     {
 781       DEBUG ("Error: %s", error->message);
 782       return;
 783     }
 784
 785   if (tp_file->priv->unix_socket_path)
 786     g_free (tp_file->priv->unix_socket_path);
 787
 788   tp_file->priv->unix_socket_path = g_value_dup_string (address);
 789
 790   DEBUG ("Got unix socket path: %s", tp_file->priv->unix_socket_path);
 791 }
 792
 793
 794 /**
 795  * empathy_tp_file_accept:
 796  * @tp_file: an #EmpathyTpFile
 797  *
 798  * Accepts a file transfer that's in the "local pending" state (i.e.
 799  * EMP_FILE_TRANSFER_STATE_LOCAL_PENDING).
 800  */
 801 void
 802 empathy_tp_file_accept (EmpathyTpFile *tp_file,
 803                         guint64 offset)
 804 {
 805   GValue nothing = { 0 };
 806
 807   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 808
 809   g_return_if_fail (tp_file->priv->out_stream != NULL);
 810
 811   DEBUG ("Accepting file: filename=%s", tp_file->priv->filename);
 812
 813   g_value_init (&nothing, G_TYPE_STRING);
 814   g_value_set_string (&nothing, "");
 815
 816   emp_cli_channel_type_file_call_accept_file (TP_PROXY (tp_file->priv->channel),
 817       -1, TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 818       &nothing, offset, tp_file_method_cb, tp_file, NULL, NULL);
 819 }
 820
 821 /**
 822  * empathy_tp_file_offer:
 823  * @tp_file: an #EmpathyTpFile
 824  *
 825  * Offers a file transfer that's in the "not offered" state (i.e.
 826  * EMP_FILE_TRANSFER_STATE_NOT_OFFERED).
 827  */
 828 void
 829 empathy_tp_file_offer (EmpathyTpFile *tp_file)
 830 {
 831   GValue nothing = { 0 };
 832
 833   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 834
 835   g_value_init (&nothing, G_TYPE_STRING);
 836   g_value_set_string (&nothing, "");
 837
 838   emp_cli_channel_type_file_call_offer_file (
 839       TP_PROXY (tp_file->priv->channel), -1,
 840       TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 841       &nothing, tp_file_method_cb, tp_file, NULL, NULL);
 842 }
 843
 844 EmpathyContact *
 845 empathy_tp_file_get_contact (EmpathyTpFile *tp_file)
 846 {
 847   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 848   return tp_file->priv->contact;
 849 }
 850
 851 GInputStream *
 852 empathy_tp_file_get_input_stream (EmpathyTpFile *tp_file)
 853 {
 854   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 855   return tp_file->priv->in_stream;
 856 }
 857
 858 GOutputStream *
 859 empathy_tp_file_get_output_stream (EmpathyTpFile *tp_file)
 860 {
 861   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 862   return tp_file->priv->out_stream;
 863 }
 864
 865 const gchar *
 866 empathy_tp_file_get_filename (EmpathyTpFile *tp_file)
 867 {
 868   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 869   return tp_file->priv->filename;
 870 }
 871
 872 gboolean
 873 empathy_tp_file_get_incoming (EmpathyTpFile *tp_file)
 874 {
 875   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), FALSE);
 876   return tp_file->priv->incoming;
 877 }
 878
 879 EmpFileTransferState
 880 empathy_tp_file_get_state (EmpathyTpFile *tp_file)
 881 {
 882   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 883       EMP_FILE_TRANSFER_STATE_NONE);
 884   return tp_file->priv->state;
 885 }
 886
 887 EmpFileTransferStateChangeReason
 888 empathy_tp_file_get_state_change_reason (EmpathyTpFile *tp_file)
 889 {
 890   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 891       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE);
 892   g_return_val_if_fail (tp_file->priv->state_change_reason >= 0,
 893       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE);
 894
 895   return tp_file->priv->state_change_reason;
 896 }
 897
 898 guint64
 899 empathy_tp_file_get_size (EmpathyTpFile *tp_file)
 900 {
 901   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 902       EMPATHY_TP_FILE_UNKNOWN_SIZE);
 903   return tp_file->priv->size;
 904 }
 905
 906 guint64
 907 empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file)
 908 {
 909   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), 0);
 910   return tp_file->priv->transferred_bytes;
 911 }
 912
 913 gint
 914 empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file)
 915 {
 916   gint64 curr_time, elapsed_time;
 917   gdouble time_per_byte;
 918   gdouble remaining_time;
 919
 920   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), -1);
 921
 922   if (tp_file->priv->size == EMPATHY_TP_FILE_UNKNOWN_SIZE)
 923     return -1;
 924
 925   if (tp_file->priv->transferred_bytes == tp_file->priv->size)
 926     return 0;
 927
 928   curr_time = get_time_msec ();
 929   elapsed_time = curr_time - tp_file->priv->start_time;
 930   time_per_byte = (gdouble) elapsed_time /
 931       (gdouble) tp_file->priv->transferred_bytes;
 932   remaining_time = (time_per_byte * (tp_file->priv->size -
 933       tp_file->priv->transferred_bytes)) / 1000;
 934
 935   return (gint) (remaining_time + 0.5);
 936 }
 937
 938 void
 939 empathy_tp_file_cancel (EmpathyTpFile *tp_file)
 940 {
 941   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 942
 943   tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL, NULL, NULL);
 944
 945   g_cancellable_cancel (tp_file->priv->cancellable);
 946 }
 947
 948 void
 949 empathy_tp_file_set_input_stream (EmpathyTpFile *tp_file,
 950                                   GInputStream *in_stream)
 951 {
 952   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 953   g_return_if_fail (G_IS_INPUT_STREAM (in_stream));
 954
 955   if (tp_file->priv->in_stream == in_stream)
 956     return;
 957
 958   if (tp_file->priv->incoming)
 959     g_warning ("Setting an input stream for incoming file "
 960          "transfers is useless");
 961
 962   if (tp_file->priv->in_stream)
 963     g_object_unref (tp_file->priv->in_stream);
 964
 965   if (in_stream)
 966     g_object_ref (in_stream);
 967
 968   tp_file->priv->in_stream = in_stream;
 969
 970   g_object_notify (G_OBJECT (tp_file), "in-stream");
 971 }
 972
 973 void
 974 empathy_tp_file_set_output_stream (EmpathyTpFile *tp_file,
 975                                    GOutputStream *out_stream)
 976 {
 977   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 978   g_return_if_fail (G_IS_OUTPUT_STREAM (out_stream));
 979
 980   if (tp_file->priv->out_stream == out_stream)
 981     return;
 982
 983   if (!tp_file->priv->incoming)
 984     g_warning ("Setting an output stream for outgoing file "
 985          "transfers is useless");
 986
 987   if (tp_file->priv->out_stream)
 988     g_object_unref (tp_file->priv->out_stream);
 989
 990   if (out_stream)
 991     g_object_ref (out_stream);
 992
 993   tp_file->priv->out_stream = out_stream;
 994 }
 995
 996 void
 997 empathy_tp_file_set_filename (EmpathyTpFile *tp_file,
 998                               const gchar *filename)
 999 {
1000   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
1001   g_return_if_fail (filename != NULL);
1002
1003   if (tp_file->priv->filename && strcmp (filename,
1004       tp_file->priv->filename) == 0)
1005     return;
1006
1007   g_free (tp_file->priv->filename);
1008   tp_file->priv->filename = g_strdup (filename);
1009
1010   g_object_notify (G_OBJECT (tp_file), "filename");
1011 }
1012
1013 static void
1014 empathy_tp_file_class_init (EmpathyTpFileClass *klass)
1015 {
1016   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1017
1018   object_class->finalize = tp_file_finalize;
1019   object_class->constructor = tp_file_constructor;
1020   object_class->get_property = tp_file_get_property;
1021   object_class->set_property = tp_file_set_property;
1022
1023   /* Construct-only properties */
1024   g_object_class_install_property (object_class,
1025       PROP_ACCOUNT,
1026       g_param_spec_object ("account",
1027           "channel Account",
1028           "The account associated with the channel",
1029           MC_TYPE_ACCOUNT,
1030           G_PARAM_READWRITE |
1031           G_PARAM_CONSTRUCT_ONLY));
1032
1033   g_object_class_install_property (object_class,
1034       PROP_CHANNEL,
1035       g_param_spec_object ("channel",
1036           "telepathy channel",
1037           "The file transfer channel",
1038           TP_TYPE_CHANNEL,
1039           G_PARAM_READWRITE |
1040           G_PARAM_CONSTRUCT_ONLY));
1041
1042   g_object_class_install_property (object_class,
1043       PROP_STATE,
1044       g_param_spec_uint ("state",
1045           "state of the transfer",
1046           "The file transfer state",
1047           0,
1048           G_MAXUINT,
1049           G_MAXUINT,
1050           G_PARAM_READWRITE |
1051           G_PARAM_CONSTRUCT));
1052
1053   g_object_class_install_property (object_class,
1054       PROP_INCOMING,
1055       g_param_spec_boolean ("incoming",
1056           "incoming",
1057           "Whether the transfer is incoming",
1058           FALSE,
1059           G_PARAM_READWRITE |
1060           G_PARAM_CONSTRUCT));
1061
1062   g_object_class_install_property (object_class,
1063       PROP_FILENAME,
1064       g_param_spec_string ("filename",
1065           "name of the transfer",
1066           "The file transfer filename",
1067           "",
1068           G_PARAM_READWRITE));
1069
1070   g_object_class_install_property (object_class,
1071       PROP_SIZE,
1072       g_param_spec_uint64 ("size",
1073           "size of the file",
1074           "The file transfer size",
1075           0,
1076           G_MAXUINT64,
1077           G_MAXUINT64,
1078           G_PARAM_READWRITE));
1079
1080   g_object_class_install_property (object_class,
1081       PROP_CONTENT_TYPE,
1082       g_param_spec_string ("content-type",
1083           "file transfer content-type",
1084           "The file transfer content-type",
1085           "",
1086           G_PARAM_READWRITE));
1087
1088   g_object_class_install_property (object_class,
1089       PROP_CONTENT_HASH_TYPE,
1090       g_param_spec_uint ("content-hash-type",
1091           "file transfer hash type",
1092           "The type of the file transfer hash",
1093           0,
1094           G_MAXUINT,
1095           0,
1096           G_PARAM_READWRITE));
1097
1098   g_object_class_install_property (object_class,
1099       PROP_CONTENT_HASH,
1100       g_param_spec_string ("content-hash",
1101           "file transfer hash",
1102           "The hash of the transfer's contents",
1103           "",
1104           G_PARAM_READWRITE));
1105
1106   g_object_class_install_property (object_class,
1107       PROP_TRANSFERRED_BYTES,
1108       g_param_spec_uint64 ("transferred-bytes",
1109           "bytes transferred",
1110           "The number of bytes transferred",
1111           0,
1112           G_MAXUINT64,
1113           0,
1114           G_PARAM_READWRITE));
1115
1116   g_object_class_install_property (object_class,
1117       PROP_IN_STREAM,
1118       g_param_spec_object ("in-stream",
1119           "transfer input stream",
1120           "The input stream for file transfer",
1121           G_TYPE_INPUT_STREAM,
1122           G_PARAM_READWRITE));
1123
1124   g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv));
1125 }