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_closed_cb (TpChannel *file_channel,
 394                    EmpathyTpFile *tp_file,
 395                    GObject *weak_object)
 396 {
 397   /* The channel is closed, do just like if the proxy was destroyed */
 398   g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 399       tp_file_destroy_cb,
 400       tp_file);
 401   tp_file_destroy_cb (file_channel, tp_file);
 402 }
 403
 404 static gint64
 405 get_time_msec (void)
 406 {
 407   GTimeVal tv;
 408
 409   g_get_current_time (&tv);
 410   return ((gint64) tv.tv_sec) * 1000 + tv.tv_usec / 1000;
 411 }
 412
 413 static gint
 414 _get_local_socket (EmpathyTpFile *tp_file)
 415 {
 416   gint fd;
 417   size_t path_len;
 418   struct sockaddr_un addr;
 419
 420   if (G_STR_EMPTY (tp_file->priv->unix_socket_path))
 421     return -1;
 422
 423   fd = socket (PF_UNIX, SOCK_STREAM, 0);
 424   if (fd < 0)
 425     return -1;
 426
 427   memset (&addr, 0, sizeof (addr));
 428   addr.sun_family = AF_UNIX;
 429   path_len = strlen (tp_file->priv->unix_socket_path);
 430   strncpy (addr.sun_path, tp_file->priv->unix_socket_path, path_len);
 431
 432   if (connect (fd, (struct sockaddr*) &addr,
 433       sizeof (addr)) < 0)
 434     {
 435       close (fd);
 436       return -1;
 437     }
 438
 439   return fd;
 440 }
 441
 442 static void
 443 send_tp_file (EmpathyTpFile *tp_file)
 444 {
 445   gint socket_fd;
 446   GOutputStream *socket_stream;
 447
 448   DEBUG ("Sending file content: filename=%s",
 449       tp_file->priv->filename);
 450
 451   g_return_if_fail (tp_file->priv->in_stream);
 452
 453   socket_fd = _get_local_socket (tp_file);
 454   if (socket_fd < 0)
 455     {
 456       DEBUG ("failed to get local socket fd");
 457       return;
 458     }
 459   DEBUG ("got local socket fd");
 460   socket_stream = g_unix_output_stream_new (socket_fd, TRUE);
 461
 462   tp_file->priv->cancellable = g_cancellable_new ();
 463
 464   copy_stream (tp_file->priv->in_stream, socket_stream,
 465       tp_file->priv->cancellable);
 466
 467   g_object_unref (socket_stream);
 468 }
 469
 470 static void
 471 receive_tp_file (EmpathyTpFile *tp_file)
 472 {
 473   GInputStream *socket_stream;
 474   gint socket_fd;
 475
 476   socket_fd = _get_local_socket (tp_file);
 477
 478   if (socket_fd < 0)
 479     return;
 480
 481   socket_stream = g_unix_input_stream_new (socket_fd, TRUE);
 482
 483   tp_file->priv->cancellable = g_cancellable_new ();
 484
 485   copy_stream (socket_stream, tp_file->priv->out_stream,
 486       tp_file->priv->cancellable);
 487
 488   g_object_unref (socket_stream);
 489 }
 490
 491 static void
 492 tp_file_state_changed_cb (DBusGProxy *tp_file_iface,
 493                           EmpFileTransferState state,
 494                           EmpFileTransferStateChangeReason reason,
 495                           EmpathyTpFile *tp_file)
 496 {
 497   DEBUG ("File transfer state changed: filename=%s, "
 498       "old state=%u, state=%u, reason=%u",
 499       tp_file->priv->filename, tp_file->priv->state, state, reason);
 500
 501   if (state == EMP_FILE_TRANSFER_STATE_OPEN)
 502     tp_file->priv->start_time = get_time_msec ();
 503
 504   DEBUG ("state = %u, incoming = %s, in_stream = %s, out_stream = %s",
 505       state, tp_file->priv->incoming ? "yes" : "no",
 506       tp_file->priv->in_stream ? "present" : "not present",
 507       tp_file->priv->out_stream ? "present" : "not present");
 508
 509   if (state == EMP_FILE_TRANSFER_STATE_OPEN && !tp_file->priv->incoming &&
 510       tp_file->priv->in_stream)
 511     send_tp_file (tp_file);
 512   else if (state == EMP_FILE_TRANSFER_STATE_OPEN && tp_file->priv->incoming &&
 513       tp_file->priv->out_stream)
 514     receive_tp_file (tp_file);
 515
 516   tp_file->priv->state = state;
 517   tp_file->priv->state_change_reason = reason;
 518
 519   g_object_notify (G_OBJECT (tp_file), "state");
 520 }
 521
 522 static void
 523 tp_file_transferred_bytes_changed_cb (TpProxy *proxy,
 524                                       guint64 count,
 525                                       EmpathyTpFile *tp_file,
 526                                       GObject *weak_object)
 527 {
 528   if (tp_file->priv->transferred_bytes == count)
 529     return;
 530
 531   tp_file->priv->transferred_bytes = count;
 532
 533   g_object_notify (G_OBJECT (tp_file), "transferred-bytes");
 534 }
 535
 536 static GObject *
 537 tp_file_constructor (GType type,
 538                      guint n_props,
 539                      GObjectConstructParam *props)
 540 {
 541   GObject *file_obj;
 542   EmpathyTpFile *tp_file;
 543   TpHandle handle;
 544   GHashTable *properties;
 545
 546   file_obj = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type,
 547       n_props, props);
 548
 549   tp_file = EMPATHY_TP_FILE (file_obj);
 550
 551   tp_file->priv->factory = empathy_contact_factory_new ();
 552   tp_file->priv->mc = empathy_mission_control_new ();
 553
 554   tp_cli_channel_connect_to_closed (tp_file->priv->channel,
 555       (tp_cli_channel_signal_callback_closed) tp_file_closed_cb,
 556       tp_file,
 557       NULL, NULL, NULL);
 558
 559   emp_cli_channel_type_file_connect_to_file_transfer_state_changed (
 560       TP_PROXY (tp_file->priv->channel),
 561       (emp_cli_channel_type_file_signal_callback_file_transfer_state_changed)
 562           tp_file_state_changed_cb,
 563       tp_file,
 564       NULL, NULL, NULL);
 565
 566   emp_cli_channel_type_file_connect_to_transferred_bytes_changed (
 567       TP_PROXY (tp_file->priv->channel),
 568       (emp_cli_channel_type_file_signal_callback_transferred_bytes_changed)
 569           tp_file_transferred_bytes_changed_cb,
 570       tp_file,
 571       NULL, NULL, NULL);
 572
 573   handle = tp_channel_get_handle (tp_file->priv->channel, NULL);
 574   tp_file->priv->contact = empathy_contact_factory_get_from_handle (
 575       tp_file->priv->factory, tp_file->priv->account, (guint) handle);
 576
 577   tp_cli_dbus_properties_run_get_all (tp_file->priv->channel,
 578       -1, EMP_IFACE_CHANNEL_TYPE_FILE, &properties, NULL, NULL);
 579
 580   tp_file->priv->size = g_value_get_uint64 (
 581       g_hash_table_lookup (properties, "Size"));
 582
 583   tp_file->priv->state = g_value_get_uint (
 584       g_hash_table_lookup (properties, "State"));
 585
 586   /* Invalid reason, so empathy_file_get_state_change_reason() can give
 587    * a warning if called for a not closed file transfer. */
 588   tp_file->priv->state_change_reason = -1;
 589
 590   tp_file->priv->transferred_bytes = g_value_get_uint64 (
 591       g_hash_table_lookup (properties, "TransferredBytes"));
 592
 593   tp_file->priv->filename = g_value_dup_string (
 594       g_hash_table_lookup (properties, "Filename"));
 595
 596   tp_file->priv->content_hash = g_value_dup_string (
 597       g_hash_table_lookup (properties, "ContentHash"));
 598
 599   tp_file->priv->description = g_value_dup_string (
 600       g_hash_table_lookup (properties, "Description"));
 601
 602   if (tp_file->priv->state == EMP_FILE_TRANSFER_STATE_LOCAL_PENDING)
 603     tp_file->priv->incoming = TRUE;
 604
 605   g_hash_table_destroy (properties);
 606
 607   return file_obj;
 608 }
 609
 610 static void
 611 tp_file_get_property (GObject *object,
 612                       guint param_id,
 613                       GValue *value,
 614                       GParamSpec *pspec)
 615 {
 616   EmpathyTpFile *tp_file;
 617
 618   tp_file = EMPATHY_TP_FILE (object);
 619
 620   switch (param_id)
 621     {
 622       case PROP_ACCOUNT:
 623         g_value_set_object (value, tp_file->priv->account);
 624         break;
 625       case PROP_CHANNEL:
 626         g_value_set_object (value, tp_file->priv->channel);
 627         break;
 628       default:
 629         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 630         break;
 631     };
 632 }
 633
 634 static void
 635 tp_file_channel_set_dbus_property (gpointer proxy,
 636                                    const gchar *property,
 637                                    const GValue *value)
 638 {
 639         DEBUG ("Setting %s property", property);
 640         tp_cli_dbus_properties_call_set (TP_PROXY (proxy), -1,
 641             EMP_IFACE_CHANNEL_TYPE_FILE, property, value,
 642             NULL, NULL, NULL, NULL);
 643 }
 644
 645
 646 static void
 647 tp_file_set_property (GObject *object,
 648                       guint param_id,
 649                       const GValue *value,
 650                       GParamSpec *pspec)
 651 {
 652   EmpathyTpFile *tp_file = (EmpathyTpFile *) object;
 653   switch (param_id)
 654     {
 655       case PROP_ACCOUNT:
 656         tp_file->priv->account = g_object_ref (g_value_get_object (value));
 657         break;
 658       case PROP_CHANNEL:
 659         tp_file->priv->channel = g_object_ref (g_value_get_object (value));
 660         break;
 661       case PROP_STATE:
 662         tp_file->priv->state = g_value_get_uint (value);
 663         break;
 664       case PROP_INCOMING:
 665         tp_file->priv->incoming = g_value_get_boolean (value);
 666         break;
 667       case PROP_FILENAME:
 668         g_free (tp_file->priv->filename);
 669         tp_file->priv->filename = g_value_dup_string (value);
 670         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 671             "Filename", value);
 672         break;
 673       case PROP_SIZE:
 674         tp_file->priv->size = g_value_get_uint64 (value);
 675         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 676             "Size", value);
 677         break;
 678       case PROP_CONTENT_TYPE:
 679         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 680             "ContentType", value);
 681         g_free (tp_file->priv->content_type);
 682         tp_file->priv->content_type = g_value_dup_string (value);
 683         break;
 684       case PROP_CONTENT_HASH:
 685         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 686             "ContentHash", value);
 687         g_free (tp_file->priv->content_hash);
 688         tp_file->priv->content_hash = g_value_dup_string (value);
 689         break;
 690       case PROP_IN_STREAM:
 691         if (tp_file->priv->in_stream)
 692           g_object_unref (tp_file->priv->in_stream);
 693         tp_file->priv->in_stream = g_object_ref (g_value_get_object (value));
 694         break;
 695       default:
 696         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 697         break;
 698     };
 699 }
 700
 701 /**
 702  * empathy_tp_file_new:
 703  * @account: the #McAccount for the channel
 704  * @channel: a Telepathy channel
 705  *
 706  * Creates a new #EmpathyTpFile wrapping @channel.
 707  *
 708  * Returns: a new #EmpathyTpFile
 709  */
 710 EmpathyTpFile *
 711 empathy_tp_file_new (McAccount *account,
 712                      TpChannel *channel)
 713 {
 714   g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 715   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 716
 717   return g_object_new (EMPATHY_TYPE_TP_FILE,
 718       "account", account,
 719       "channel", channel,
 720       NULL);
 721 }
 722
 723 /**
 724  * empathy_tp_file_get_id:
 725  * @tp_file: an #EmpathyTpFile
 726  *
 727  * Returns the ID of @tp_file.
 728  *
 729  * Returns: the ID
 730  */
 731 const gchar *
 732 empathy_tp_file_get_id (EmpathyTpFile *tp_file)
 733 {
 734   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 735
 736   return tp_file->priv->id;
 737 }
 738
 739 /**
 740  * empathy_tp_file_get_channel
 741  * @tp_file: an #EmpathyTpFile
 742  *
 743  * Returns the Telepathy file transfer channel
 744  *
 745  * Returns: the #TpChannel
 746  */
 747 TpChannel *
 748 empathy_tp_file_get_channel (EmpathyTpFile *tp_file)
 749 {
 750   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 751
 752   return tp_file->priv->channel;
 753 }
 754
 755 static void
 756 tp_file_method_cb (TpProxy *proxy,
 757                    const GValue *address,
 758                    const GError *error,
 759                    gpointer user_data,
 760                    GObject *weak_object)
 761 {
 762   EmpathyTpFile *tp_file = (EmpathyTpFile *) user_data;
 763
 764   if (error)
 765     {
 766       DEBUG ("Error: %s", error->message);
 767       return;
 768     }
 769
 770   if (tp_file->priv->unix_socket_path)
 771     g_free (tp_file->priv->unix_socket_path);
 772
 773   tp_file->priv->unix_socket_path = g_value_dup_string (address);
 774
 775   DEBUG ("Got unix socket path: %s", tp_file->priv->unix_socket_path);
 776 }
 777
 778
 779 /**
 780  * empathy_tp_file_accept:
 781  * @tp_file: an #EmpathyTpFile
 782  *
 783  * Accepts a file transfer that's in the "local pending" state (i.e.
 784  * EMP_FILE_TRANSFER_STATE_LOCAL_PENDING).
 785  */
 786 void
 787 empathy_tp_file_accept (EmpathyTpFile *tp_file,
 788                         guint64 offset)
 789 {
 790   GValue nothing = { 0 };
 791
 792   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 793
 794   g_return_if_fail (tp_file->priv->out_stream != NULL);
 795
 796   DEBUG ("Accepting file: filename=%s", tp_file->priv->filename);
 797
 798   g_value_init (&nothing, G_TYPE_STRING);
 799   g_value_set_string (&nothing, "");
 800
 801   emp_cli_channel_type_file_call_accept_file (TP_PROXY (tp_file->priv->channel),
 802       -1, TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 803       &nothing, offset, tp_file_method_cb, tp_file, NULL, NULL);
 804 }
 805
 806 /**
 807  * empathy_tp_file_offer:
 808  * @tp_file: an #EmpathyTpFile
 809  *
 810  * Offers a file transfer that's in the "not offered" state (i.e.
 811  * EMP_FILE_TRANSFER_STATE_NOT_OFFERED).
 812  */
 813 void
 814 empathy_tp_file_offer (EmpathyTpFile *tp_file)
 815 {
 816   GValue nothing = { 0 };
 817
 818   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 819
 820   g_value_init (&nothing, G_TYPE_STRING);
 821   g_value_set_string (&nothing, "");
 822
 823   emp_cli_channel_type_file_call_offer_file (
 824       TP_PROXY (tp_file->priv->channel), -1,
 825       TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 826       &nothing, tp_file_method_cb, tp_file, NULL, NULL);
 827 }
 828
 829 EmpathyContact *
 830 empathy_tp_file_get_contact (EmpathyTpFile *tp_file)
 831 {
 832   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 833   return tp_file->priv->contact;
 834 }
 835
 836 GInputStream *
 837 empathy_tp_file_get_input_stream (EmpathyTpFile *tp_file)
 838 {
 839   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 840   return tp_file->priv->in_stream;
 841 }
 842
 843 GOutputStream *
 844 empathy_tp_file_get_output_stream (EmpathyTpFile *tp_file)
 845 {
 846   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 847   return tp_file->priv->out_stream;
 848 }
 849
 850 const gchar *
 851 empathy_tp_file_get_filename (EmpathyTpFile *tp_file)
 852 {
 853   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 854   return tp_file->priv->filename;
 855 }
 856
 857 gboolean
 858 empathy_tp_file_get_incoming (EmpathyTpFile *tp_file)
 859 {
 860   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), FALSE);
 861   return tp_file->priv->incoming;
 862 }
 863
 864 EmpFileTransferState
 865 empathy_tp_file_get_state (EmpathyTpFile *tp_file)
 866 {
 867   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 868       EMP_FILE_TRANSFER_STATE_NONE);
 869   return tp_file->priv->state;
 870 }
 871
 872 EmpFileTransferStateChangeReason
 873 empathy_tp_file_get_state_change_reason (EmpathyTpFile *tp_file)
 874 {
 875   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 876       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE);
 877   g_return_val_if_fail (tp_file->priv->state_change_reason >= 0,
 878       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE);
 879
 880   return tp_file->priv->state_change_reason;
 881 }
 882
 883 guint64
 884 empathy_tp_file_get_size (EmpathyTpFile *tp_file)
 885 {
 886   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 887       EMPATHY_TP_FILE_UNKNOWN_SIZE);
 888   return tp_file->priv->size;
 889 }
 890
 891 guint64
 892 empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file)
 893 {
 894   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), 0);
 895   return tp_file->priv->transferred_bytes;
 896 }
 897
 898 gint
 899 empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file)
 900 {
 901   gint64 curr_time, elapsed_time;
 902   gdouble time_per_byte;
 903   gdouble remaining_time;
 904
 905   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), -1);
 906
 907   if (tp_file->priv->size == EMPATHY_TP_FILE_UNKNOWN_SIZE)
 908     return -1;
 909
 910   if (tp_file->priv->transferred_bytes == tp_file->priv->size)
 911     return 0;
 912
 913   curr_time = get_time_msec ();
 914   elapsed_time = curr_time - tp_file->priv->start_time;
 915   time_per_byte = (gdouble) elapsed_time /
 916       (gdouble) tp_file->priv->transferred_bytes;
 917   remaining_time = (time_per_byte * (tp_file->priv->size -
 918       tp_file->priv->transferred_bytes)) / 1000;
 919
 920   return (gint) (remaining_time + 0.5);
 921 }
 922
 923 void
 924 empathy_tp_file_cancel (EmpathyTpFile *tp_file)
 925 {
 926   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 927
 928   tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL, NULL, NULL);
 929
 930   g_cancellable_cancel (tp_file->priv->cancellable);
 931 }
 932
 933 void
 934 empathy_tp_file_set_input_stream (EmpathyTpFile *tp_file,
 935                                   GInputStream *in_stream)
 936 {
 937   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 938   g_return_if_fail (G_IS_INPUT_STREAM (in_stream));
 939
 940   if (tp_file->priv->in_stream == in_stream)
 941     return;
 942
 943   if (tp_file->priv->incoming)
 944     g_warning ("Setting an input stream for incoming file "
 945          "transfers is useless");
 946
 947   if (tp_file->priv->in_stream)
 948     g_object_unref (tp_file->priv->in_stream);
 949
 950   if (in_stream)
 951     g_object_ref (in_stream);
 952
 953   tp_file->priv->in_stream = in_stream;
 954
 955   g_object_notify (G_OBJECT (tp_file), "in-stream");
 956 }
 957
 958 void
 959 empathy_tp_file_set_output_stream (EmpathyTpFile *tp_file,
 960                                    GOutputStream *out_stream)
 961 {
 962   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 963   g_return_if_fail (G_IS_OUTPUT_STREAM (out_stream));
 964
 965   if (tp_file->priv->out_stream == out_stream)
 966     return;
 967
 968   if (!tp_file->priv->incoming)
 969     g_warning ("Setting an output stream for outgoing file "
 970          "transfers is useless");
 971
 972   if (tp_file->priv->out_stream)
 973     g_object_unref (tp_file->priv->out_stream);
 974
 975   if (out_stream)
 976     g_object_ref (out_stream);
 977
 978   tp_file->priv->out_stream = out_stream;
 979 }
 980
 981 void
 982 empathy_tp_file_set_filename (EmpathyTpFile *tp_file,
 983                               const gchar *filename)
 984 {
 985   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 986   g_return_if_fail (filename != NULL);
 987
 988   if (tp_file->priv->filename && strcmp (filename,
 989       tp_file->priv->filename) == 0)
 990     return;
 991
 992   g_free (tp_file->priv->filename);
 993   tp_file->priv->filename = g_strdup (filename);
 994
 995   g_object_notify (G_OBJECT (tp_file), "filename");
 996 }
 997
 998 static void
 999 empathy_tp_file_class_init (EmpathyTpFileClass *klass)
1000 {
1001   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1002
1003   object_class->finalize = tp_file_finalize;
1004   object_class->constructor = tp_file_constructor;
1005   object_class->get_property = tp_file_get_property;
1006   object_class->set_property = tp_file_set_property;
1007
1008   /* Construct-only properties */
1009   g_object_class_install_property (object_class,
1010       PROP_ACCOUNT,
1011       g_param_spec_object ("account",
1012           "channel Account",
1013           "The account associated with the channel",
1014           MC_TYPE_ACCOUNT,
1015           G_PARAM_READWRITE |
1016           G_PARAM_CONSTRUCT_ONLY));
1017
1018   g_object_class_install_property (object_class,
1019       PROP_CHANNEL,
1020       g_param_spec_object ("channel",
1021           "telepathy channel",
1022           "The file transfer channel",
1023           TP_TYPE_CHANNEL,
1024           G_PARAM_READWRITE |
1025           G_PARAM_CONSTRUCT_ONLY));
1026
1027   g_object_class_install_property (object_class,
1028       PROP_STATE,
1029       g_param_spec_uint ("state",
1030           "state of the transfer",
1031           "The file transfer state",
1032           0,
1033           G_MAXUINT,
1034           G_MAXUINT,
1035           G_PARAM_READWRITE |
1036           G_PARAM_CONSTRUCT));
1037
1038   g_object_class_install_property (object_class,
1039       PROP_INCOMING,
1040       g_param_spec_boolean ("incoming",
1041           "incoming",
1042           "Whether the transfer is incoming",
1043           FALSE,
1044           G_PARAM_READWRITE |
1045           G_PARAM_CONSTRUCT));
1046
1047   g_object_class_install_property (object_class,
1048       PROP_FILENAME,
1049       g_param_spec_string ("filename",
1050           "name of the transfer",
1051           "The file transfer filename",
1052           "",
1053           G_PARAM_READWRITE));
1054
1055   g_object_class_install_property (object_class,
1056       PROP_SIZE,
1057       g_param_spec_uint64 ("size",
1058           "size of the file",
1059           "The file transfer size",
1060           0,
1061           G_MAXUINT64,
1062           G_MAXUINT64,
1063           G_PARAM_READWRITE));
1064
1065   g_object_class_install_property (object_class,
1066       PROP_CONTENT_TYPE,
1067       g_param_spec_string ("content-type",
1068           "file transfer content-type",
1069           "The file transfer content-type",
1070           "",
1071           G_PARAM_READWRITE));
1072
1073   g_object_class_install_property (object_class,
1074       PROP_CONTENT_HASH_TYPE,
1075       g_param_spec_uint ("content-hash-type",
1076           "file transfer hash type",
1077           "The type of the file transfer hash",
1078           0,
1079           G_MAXUINT,
1080           0,
1081           G_PARAM_READWRITE));
1082
1083   g_object_class_install_property (object_class,
1084       PROP_CONTENT_HASH,
1085       g_param_spec_string ("content-hash",
1086           "file transfer hash",
1087           "The hash of the transfer's contents",
1088           "",
1089           G_PARAM_READWRITE));
1090
1091   g_object_class_install_property (object_class,
1092       PROP_TRANSFERRED_BYTES,
1093       g_param_spec_uint64 ("transferred-bytes",
1094           "bytes transferred",
1095           "The number of bytes transferred",
1096           0,
1097           G_MAXUINT64,
1098           0,
1099           G_PARAM_READWRITE));
1100
1101   g_object_class_install_property (object_class,
1102       PROP_IN_STREAM,
1103       g_param_spec_object ("in-stream",
1104           "transfer input stream",
1105           "The input stream for file transfer",
1106           G_TYPE_INPUT_STREAM,
1107           G_PARAM_READWRITE));
1108
1109   g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv));
1110 }