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   GFile *gfile;
 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   time_t 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_CHANNEL,
 304   PROP_STATE,
 305   PROP_INCOMING,
 306   PROP_FILENAME,
 307   PROP_SIZE,
 308   PROP_CONTENT_TYPE,
 309   PROP_TRANSFERRED_BYTES,
 310   PROP_CONTENT_HASH_TYPE,
 311   PROP_CONTENT_HASH,
 312 };
 313
 314 G_DEFINE_TYPE (EmpathyTpFile, empathy_tp_file, G_TYPE_OBJECT);
 315
 316 static void
 317 empathy_tp_file_init (EmpathyTpFile *tp_file)
 318 {
 319   EmpathyTpFilePriv *priv;
 320
 321   priv = G_TYPE_INSTANCE_GET_PRIVATE ((tp_file),
 322       EMPATHY_TYPE_TP_FILE, EmpathyTpFilePriv);
 323
 324   tp_file->priv = priv;
 325 }
 326
 327 static void
 328 tp_file_destroy_cb (TpChannel *file_channel,
 329                     EmpathyTpFile *tp_file)
 330 {
 331   DEBUG ("Channel Closed or CM crashed");
 332
 333   g_object_unref (tp_file->priv->channel);
 334   tp_file->priv->channel = NULL;
 335 }
 336
 337 static void
 338 tp_file_finalize (GObject *object)
 339 {
 340   EmpathyTpFile *tp_file;
 341
 342   tp_file = EMPATHY_TP_FILE (object);
 343
 344   if (tp_file->priv->channel)
 345     {
 346       DEBUG ("Closing channel..");
 347       g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 348           tp_file_destroy_cb, object);
 349       tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL,
 350           NULL, NULL);
 351       g_object_unref (tp_file->priv->channel);
 352     }
 353
 354   if (tp_file->priv->factory)
 355     {
 356       g_object_unref (tp_file->priv->factory);
 357     }
 358   if (tp_file->priv->mc)
 359     {
 360       g_object_unref (tp_file->priv->mc);
 361     }
 362
 363   g_free (tp_file->priv->id);
 364   g_free (tp_file->priv->filename);
 365   g_free (tp_file->priv->unix_socket_path);
 366   g_free (tp_file->priv->description);
 367   g_free (tp_file->priv->content_hash);
 368   g_free (tp_file->priv->content_type);
 369
 370   if (tp_file->priv->gfile)
 371     g_object_unref (tp_file->priv->gfile);
 372
 373   if (tp_file->priv->in_stream)
 374     g_object_unref (tp_file->priv->in_stream);
 375
 376   if (tp_file->priv->out_stream)
 377     g_object_unref (tp_file->priv->out_stream);
 378
 379   if (tp_file->priv->contact)
 380     g_object_unref (tp_file->priv->contact);
 381
 382   if (tp_file->priv->cancellable)
 383     g_object_unref (tp_file->priv->cancellable);
 384
 385   G_OBJECT_CLASS (empathy_tp_file_parent_class)->finalize (object);
 386 }
 387
 388 static void
 389 tp_file_closed_cb (TpChannel *file_channel,
 390                    EmpathyTpFile *tp_file,
 391                    GObject *weak_object)
 392 {
 393   /* The channel is closed, do just like if the proxy was destroyed */
 394   g_signal_handlers_disconnect_by_func (tp_file->priv->channel,
 395       tp_file_destroy_cb,
 396       tp_file);
 397   tp_file_destroy_cb (file_channel, tp_file);
 398 }
 399
 400 static gint
 401 _get_local_socket (EmpathyTpFile *tp_file)
 402 {
 403   gint fd;
 404   size_t path_len;
 405   struct sockaddr_un addr;
 406
 407   if (G_STR_EMPTY (tp_file->priv->unix_socket_path))
 408     return -1;
 409
 410   fd = socket (PF_UNIX, SOCK_STREAM, 0);
 411   if (fd < 0)
 412     return -1;
 413
 414   memset (&addr, 0, sizeof (addr));
 415   addr.sun_family = AF_UNIX;
 416   path_len = strlen (tp_file->priv->unix_socket_path);
 417   strncpy (addr.sun_path, tp_file->priv->unix_socket_path, path_len);
 418
 419   if (connect (fd, (struct sockaddr*) &addr,
 420       sizeof (addr)) < 0)
 421     {
 422       close (fd);
 423       return -1;
 424     }
 425
 426   return fd;
 427 }
 428
 429 static void
 430 send_tp_file (EmpathyTpFile *tp_file)
 431 {
 432   gint socket_fd;
 433   GOutputStream *socket_stream;
 434
 435   DEBUG ("Sending file content: filename=%s",
 436       tp_file->priv->filename);
 437
 438   g_return_if_fail (tp_file->priv->in_stream);
 439
 440   socket_fd = _get_local_socket (tp_file);
 441   if (socket_fd < 0)
 442     {
 443       DEBUG ("failed to get local socket fd");
 444       return;
 445     }
 446   DEBUG ("got local socket fd");
 447   socket_stream = g_unix_output_stream_new (socket_fd, TRUE);
 448
 449   tp_file->priv->cancellable = g_cancellable_new ();
 450
 451   copy_stream (tp_file->priv->in_stream, socket_stream,
 452       tp_file->priv->cancellable);
 453
 454   g_object_unref (socket_stream);
 455 }
 456
 457 static void
 458 receive_tp_file (EmpathyTpFile *tp_file)
 459 {
 460   GInputStream *socket_stream;
 461   gint socket_fd;
 462
 463   socket_fd = _get_local_socket (tp_file);
 464
 465   if (socket_fd < 0)
 466     return;
 467
 468   socket_stream = g_unix_input_stream_new (socket_fd, TRUE);
 469
 470   tp_file->priv->cancellable = g_cancellable_new ();
 471
 472   copy_stream (socket_stream, tp_file->priv->out_stream,
 473       tp_file->priv->cancellable);
 474
 475   g_object_unref (socket_stream);
 476 }
 477
 478 static void
 479 tp_file_state_changed_cb (DBusGProxy *tp_file_iface,
 480                           EmpFileTransferState state,
 481                           EmpFileTransferStateChangeReason reason,
 482                           EmpathyTpFile *tp_file)
 483 {
 484   DEBUG ("File transfer state changed: filename=%s, "
 485       "old state=%u, state=%u, reason=%u",
 486       tp_file->priv->filename, tp_file->priv->state, state, reason);
 487
 488   if (state == EMP_FILE_TRANSFER_STATE_OPEN)
 489     tp_file->priv->start_time = empathy_time_get_current ();
 490
 491   DEBUG ("state = %u, incoming = %s, in_stream = %s, out_stream = %s",
 492       state, tp_file->priv->incoming ? "yes" : "no",
 493       tp_file->priv->in_stream ? "present" : "not present",
 494       tp_file->priv->out_stream ? "present" : "not present");
 495
 496   if (state == EMP_FILE_TRANSFER_STATE_OPEN && !tp_file->priv->incoming &&
 497       tp_file->priv->in_stream)
 498     send_tp_file (tp_file);
 499   else if (state == EMP_FILE_TRANSFER_STATE_OPEN && tp_file->priv->incoming &&
 500       tp_file->priv->out_stream)
 501     receive_tp_file (tp_file);
 502
 503   tp_file->priv->state = state;
 504   tp_file->priv->state_change_reason = reason;
 505
 506   g_object_notify (G_OBJECT (tp_file), "state");
 507 }
 508
 509 static void
 510 tp_file_transferred_bytes_changed_cb (TpProxy *proxy,
 511                                       guint64 count,
 512                                       EmpathyTpFile *tp_file,
 513                                       GObject *weak_object)
 514 {
 515   if (tp_file->priv->transferred_bytes == count)
 516     return;
 517
 518   tp_file->priv->transferred_bytes = count;
 519
 520   g_object_notify (G_OBJECT (tp_file), "transferred-bytes");
 521 }
 522
 523 static GObject *
 524 tp_file_constructor (GType type,
 525                      guint n_props,
 526                      GObjectConstructParam *props)
 527 {
 528   GObject *file_obj;
 529   EmpathyTpFile *tp_file;
 530   TpHandle handle;
 531   GHashTable *properties;
 532   McAccount *account;
 533
 534   file_obj = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type,
 535       n_props, props);
 536
 537   tp_file = EMPATHY_TP_FILE (file_obj);
 538
 539   tp_file->priv->factory = empathy_contact_factory_new ();
 540   tp_file->priv->mc = empathy_mission_control_new ();
 541
 542   tp_cli_channel_connect_to_closed (tp_file->priv->channel,
 543       (tp_cli_channel_signal_callback_closed) tp_file_closed_cb,
 544       tp_file,
 545       NULL, NULL, NULL);
 546
 547   emp_cli_channel_type_file_connect_to_file_transfer_state_changed (
 548       TP_PROXY (tp_file->priv->channel),
 549       (emp_cli_channel_type_file_signal_callback_file_transfer_state_changed)
 550           tp_file_state_changed_cb,
 551       tp_file,
 552       NULL, NULL, NULL);
 553
 554   emp_cli_channel_type_file_connect_to_transferred_bytes_changed (
 555       TP_PROXY (tp_file->priv->channel),
 556       (emp_cli_channel_type_file_signal_callback_transferred_bytes_changed)
 557           tp_file_transferred_bytes_changed_cb,
 558       tp_file,
 559       NULL, NULL, NULL);
 560
 561   account = empathy_channel_get_account (tp_file->priv->channel);
 562
 563   handle = tp_channel_get_handle (tp_file->priv->channel, NULL);
 564   tp_file->priv->contact = empathy_contact_factory_get_from_handle (
 565       tp_file->priv->factory, account, (guint) handle);
 566
 567   tp_cli_dbus_properties_run_get_all (tp_file->priv->channel,
 568       -1, EMP_IFACE_CHANNEL_TYPE_FILE, &properties, NULL, NULL);
 569
 570   tp_file->priv->size = g_value_get_uint64 (
 571       g_hash_table_lookup (properties, "Size"));
 572
 573   tp_file->priv->state = g_value_get_uint (
 574       g_hash_table_lookup (properties, "State"));
 575
 576   tp_file->priv->state_change_reason =
 577       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE;
 578
 579   tp_file->priv->transferred_bytes = g_value_get_uint64 (
 580       g_hash_table_lookup (properties, "TransferredBytes"));
 581
 582   tp_file->priv->filename = g_value_dup_string (
 583       g_hash_table_lookup (properties, "Filename"));
 584
 585   tp_file->priv->content_hash = g_value_dup_string (
 586       g_hash_table_lookup (properties, "ContentHash"));
 587
 588   tp_file->priv->description = g_value_dup_string (
 589       g_hash_table_lookup (properties, "Description"));
 590
 591   if (tp_file->priv->state == EMP_FILE_TRANSFER_STATE_LOCAL_PENDING)
 592     tp_file->priv->incoming = TRUE;
 593
 594   g_hash_table_destroy (properties);
 595   g_object_unref (account);
 596
 597   return file_obj;
 598 }
 599
 600 static void
 601 tp_file_get_property (GObject *object,
 602                       guint param_id,
 603                       GValue *value,
 604                       GParamSpec *pspec)
 605 {
 606   EmpathyTpFile *tp_file;
 607
 608   tp_file = EMPATHY_TP_FILE (object);
 609
 610   switch (param_id)
 611     {
 612       case PROP_CHANNEL:
 613         g_value_set_object (value, tp_file->priv->channel);
 614         break;
 615       default:
 616         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 617         break;
 618     };
 619 }
 620
 621 static void
 622 tp_file_channel_set_dbus_property (gpointer proxy,
 623                                    const gchar *property,
 624                                    const GValue *value)
 625 {
 626         DEBUG ("Setting %s property", property);
 627         tp_cli_dbus_properties_call_set (TP_PROXY (proxy), -1,
 628             EMP_IFACE_CHANNEL_TYPE_FILE, property, value,
 629             NULL, NULL, NULL, NULL);
 630 }
 631
 632
 633 static void
 634 tp_file_set_property (GObject *object,
 635                       guint param_id,
 636                       const GValue *value,
 637                       GParamSpec *pspec)
 638 {
 639   EmpathyTpFile *tp_file = (EmpathyTpFile *) object;
 640   switch (param_id)
 641     {
 642       case PROP_CHANNEL:
 643         tp_file->priv->channel = g_object_ref (g_value_get_object (value));
 644         break;
 645       case PROP_STATE:
 646         tp_file->priv->state = g_value_get_uint (value);
 647         break;
 648       case PROP_INCOMING:
 649         tp_file->priv->incoming = g_value_get_boolean (value);
 650         break;
 651       case PROP_FILENAME:
 652         g_free (tp_file->priv->filename);
 653         tp_file->priv->filename = g_value_dup_string (value);
 654         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 655             "Filename", value);
 656         break;
 657       case PROP_SIZE:
 658         tp_file->priv->size = g_value_get_uint64 (value);
 659         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 660             "Size", value);
 661         break;
 662       case PROP_CONTENT_TYPE:
 663         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 664             "ContentType", value);
 665         g_free (tp_file->priv->content_type);
 666         tp_file->priv->content_type = g_value_dup_string (value);
 667         break;
 668       case PROP_CONTENT_HASH:
 669         tp_file_channel_set_dbus_property (tp_file->priv->channel,
 670             "ContentHash", value);
 671         g_free (tp_file->priv->content_hash);
 672         tp_file->priv->content_hash = g_value_dup_string (value);
 673         break;
 674       default:
 675         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 676         break;
 677     };
 678 }
 679
 680 /**
 681  * empathy_tp_file_new:
 682  * @channel: a Telepathy channel
 683  *
 684  * Creates a new #EmpathyTpFile wrapping @channel.
 685  *
 686  * Returns: a new #EmpathyTpFile
 687  */
 688 EmpathyTpFile *
 689 empathy_tp_file_new (TpChannel *channel)
 690 {
 691   g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
 692
 693   return g_object_new (EMPATHY_TYPE_TP_FILE,
 694       "channel", channel,
 695       NULL);
 696 }
 697
 698 /**
 699  * empathy_tp_file_get_id:
 700  * @tp_file: an #EmpathyTpFile
 701  *
 702  * Returns the ID of @tp_file.
 703  *
 704  * Returns: the ID
 705  */
 706 const gchar *
 707 empathy_tp_file_get_id (EmpathyTpFile *tp_file)
 708 {
 709   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 710
 711   return tp_file->priv->id;
 712 }
 713
 714 /**
 715  * empathy_tp_file_get_channel
 716  * @tp_file: an #EmpathyTpFile
 717  *
 718  * Returns the Telepathy file transfer channel
 719  *
 720  * Returns: the #TpChannel
 721  */
 722 TpChannel *
 723 empathy_tp_file_get_channel (EmpathyTpFile *tp_file)
 724 {
 725   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 726
 727   return tp_file->priv->channel;
 728 }
 729
 730 static void
 731 tp_file_method_cb (TpProxy *proxy,
 732                    const GValue *address,
 733                    const GError *error,
 734                    gpointer user_data,
 735                    GObject *weak_object)
 736 {
 737   EmpathyTpFile *tp_file = (EmpathyTpFile *) user_data;
 738
 739   if (error)
 740     {
 741       DEBUG ("Error: %s", error->message);
 742       return;
 743     }
 744
 745   if (tp_file->priv->unix_socket_path)
 746     g_free (tp_file->priv->unix_socket_path);
 747
 748   tp_file->priv->unix_socket_path = g_value_dup_string (address);
 749
 750   DEBUG ("Got unix socket path: %s", tp_file->priv->unix_socket_path);
 751 }
 752
 753
 754 /**
 755  * empathy_tp_file_accept:
 756  * @tp_file: an #EmpathyTpFile
 757  *
 758  * Accepts a file transfer that's in the "local pending" state (i.e.
 759  * EMP_FILE_TRANSFER_STATE_LOCAL_PENDING).
 760  */
 761 void
 762 empathy_tp_file_accept (EmpathyTpFile *tp_file,
 763                         guint64 offset)
 764 {
 765   GValue nothing = { 0 };
 766
 767   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 768
 769   g_return_if_fail (tp_file->priv->out_stream != NULL);
 770
 771   DEBUG ("Accepting file: filename=%s", tp_file->priv->filename);
 772
 773   g_value_init (&nothing, G_TYPE_STRING);
 774   g_value_set_string (&nothing, "");
 775
 776   emp_cli_channel_type_file_call_accept_file (TP_PROXY (tp_file->priv->channel),
 777       -1, TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 778       &nothing, offset, tp_file_method_cb, tp_file, NULL, NULL);
 779 }
 780
 781 /**
 782  * empathy_tp_file_offer:
 783  * @tp_file: an #EmpathyTpFile
 784  *
 785  * Offers a file transfer that's in the "not offered" state (i.e.
 786  * EMP_FILE_TRANSFER_STATE_NOT_OFFERED).
 787  */
 788 void
 789 empathy_tp_file_offer (EmpathyTpFile *tp_file)
 790 {
 791   GValue nothing = { 0 };
 792
 793   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 794
 795   g_value_init (&nothing, G_TYPE_STRING);
 796   g_value_set_string (&nothing, "");
 797
 798   emp_cli_channel_type_file_call_offer_file (
 799       TP_PROXY (tp_file->priv->channel), -1,
 800       TP_SOCKET_ADDRESS_TYPE_UNIX, TP_SOCKET_ACCESS_CONTROL_LOCALHOST,
 801       &nothing, tp_file_method_cb, tp_file, NULL, NULL);
 802 }
 803
 804 EmpathyContact *
 805 empathy_tp_file_get_contact (EmpathyTpFile *tp_file)
 806 {
 807   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 808   return tp_file->priv->contact;
 809 }
 810
 811 GFile *
 812 empathy_tp_file_get_gfile (EmpathyTpFile *tp_file)
 813 {
 814   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 815   return g_object_ref (tp_file->priv->gfile);
 816 }
 817
 818 const gchar *
 819 empathy_tp_file_get_filename (EmpathyTpFile *tp_file)
 820 {
 821   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL);
 822   return tp_file->priv->filename;
 823 }
 824
 825 gboolean
 826 empathy_tp_file_get_incoming (EmpathyTpFile *tp_file)
 827 {
 828   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), FALSE);
 829   return tp_file->priv->incoming;
 830 }
 831
 832 EmpFileTransferState
 833 empathy_tp_file_get_state (EmpathyTpFile *tp_file)
 834 {
 835   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 836       EMP_FILE_TRANSFER_STATE_NONE);
 837   return tp_file->priv->state;
 838 }
 839
 840 EmpFileTransferStateChangeReason
 841 empathy_tp_file_get_state_change_reason (EmpathyTpFile *tp_file)
 842 {
 843   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 844       EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE);
 845
 846   return tp_file->priv->state_change_reason;
 847 }
 848
 849 guint64
 850 empathy_tp_file_get_size (EmpathyTpFile *tp_file)
 851 {
 852   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file),
 853       EMPATHY_TP_FILE_UNKNOWN_SIZE);
 854   return tp_file->priv->size;
 855 }
 856
 857 guint64
 858 empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file)
 859 {
 860   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), 0);
 861   return tp_file->priv->transferred_bytes;
 862 }
 863
 864 gint
 865 empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file)
 866 {
 867   time_t curr_time, elapsed_time;
 868   gdouble time_per_byte;
 869   gdouble remaining_time;
 870
 871   g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), -1);
 872
 873   if (tp_file->priv->size == EMPATHY_TP_FILE_UNKNOWN_SIZE)
 874     return -1;
 875
 876   if (tp_file->priv->transferred_bytes == tp_file->priv->size)
 877     return 0;
 878
 879   curr_time = empathy_time_get_current ();
 880   elapsed_time = curr_time - tp_file->priv->start_time;
 881   time_per_byte = (gdouble) elapsed_time /
 882       (gdouble) tp_file->priv->transferred_bytes;
 883   remaining_time = time_per_byte * (tp_file->priv->size -
 884       tp_file->priv->transferred_bytes);
 885
 886   return (gint) remaining_time;
 887 }
 888
 889 void
 890 empathy_tp_file_cancel (EmpathyTpFile *tp_file)
 891 {
 892   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 893
 894   tp_cli_channel_call_close (tp_file->priv->channel, -1, NULL, NULL, NULL, NULL);
 895
 896   g_cancellable_cancel (tp_file->priv->cancellable);
 897 }
 898
 899 void
 900 empathy_tp_file_set_gfile (EmpathyTpFile *tp_file,
 901                            GFile *gfile,
 902                            GError **error)
 903 {
 904   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 905   g_return_if_fail (gfile);
 906
 907   if (tp_file->priv->gfile == gfile)
 908     return;
 909
 910   tp_file->priv->gfile = g_object_ref (gfile);
 911
 912   if (!tp_file->priv->incoming)
 913     {
 914       GInputStream *in_stream;
 915
 916       in_stream = G_INPUT_STREAM (g_file_read (gfile, NULL, NULL));
 917
 918       if (tp_file->priv->in_stream)
 919         g_object_unref (tp_file->priv->in_stream);
 920
 921       tp_file->priv->in_stream = g_object_ref (in_stream);
 922     }
 923   else
 924     {
 925       GOutputStream *out_stream;
 926       gchar *filename;
 927
 928       out_stream = G_OUTPUT_STREAM (g_file_replace (gfile, NULL, FALSE,
 929         0, NULL, error));
 930
 931       if (*error)
 932         return;
 933
 934       if (tp_file->priv->out_stream == out_stream)
 935         return;
 936
 937       if (tp_file->priv->out_stream)
 938         g_object_unref (tp_file->priv->out_stream);
 939
 940       tp_file->priv->out_stream = g_object_ref (out_stream);
 941
 942       filename = g_file_get_basename (gfile);
 943       empathy_tp_file_set_filename (tp_file, filename);
 944
 945       g_free (filename);
 946     }
 947 }
 948
 949 void
 950 empathy_tp_file_set_filename (EmpathyTpFile *tp_file,
 951                               const gchar *filename)
 952 {
 953   g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file));
 954   g_return_if_fail (filename != NULL);
 955
 956   if (tp_file->priv->filename && strcmp (filename,
 957       tp_file->priv->filename) == 0)
 958     return;
 959
 960   g_free (tp_file->priv->filename);
 961   tp_file->priv->filename = g_strdup (filename);
 962
 963   g_object_notify (G_OBJECT (tp_file), "filename");
 964 }
 965
 966 static void
 967 empathy_tp_file_class_init (EmpathyTpFileClass *klass)
 968 {
 969   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 970
 971   object_class->finalize = tp_file_finalize;
 972   object_class->constructor = tp_file_constructor;
 973   object_class->get_property = tp_file_get_property;
 974   object_class->set_property = tp_file_set_property;
 975
 976   /* Construct-only properties */
 977   g_object_class_install_property (object_class,
 978       PROP_CHANNEL,
 979       g_param_spec_object ("channel",
 980           "telepathy channel",
 981           "The file transfer channel",
 982           TP_TYPE_CHANNEL,
 983           G_PARAM_READWRITE |
 984           G_PARAM_CONSTRUCT_ONLY));
 985
 986   g_object_class_install_property (object_class,
 987       PROP_STATE,
 988       g_param_spec_uint ("state",
 989           "state of the transfer",
 990           "The file transfer state",
 991           0,
 992           G_MAXUINT,
 993           G_MAXUINT,
 994           G_PARAM_READWRITE |
 995           G_PARAM_CONSTRUCT));
 996
 997   g_object_class_install_property (object_class,
 998       PROP_INCOMING,
 999       g_param_spec_boolean ("incoming",
1000           "incoming",
1001           "Whether the transfer is incoming",
1002           FALSE,
1003           G_PARAM_READWRITE |
1004           G_PARAM_CONSTRUCT));
1005
1006   g_object_class_install_property (object_class,
1007       PROP_FILENAME,
1008       g_param_spec_string ("filename",
1009           "name of the transfer",
1010           "The file transfer filename",
1011           "",
1012           G_PARAM_READWRITE));
1013
1014   g_object_class_install_property (object_class,
1015       PROP_SIZE,
1016       g_param_spec_uint64 ("size",
1017           "size of the file",
1018           "The file transfer size",
1019           0,
1020           G_MAXUINT64,
1021           G_MAXUINT64,
1022           G_PARAM_READWRITE));
1023
1024   g_object_class_install_property (object_class,
1025       PROP_CONTENT_TYPE,
1026       g_param_spec_string ("content-type",
1027           "file transfer content-type",
1028           "The file transfer content-type",
1029           "",
1030           G_PARAM_READWRITE));
1031
1032   g_object_class_install_property (object_class,
1033       PROP_CONTENT_HASH_TYPE,
1034       g_param_spec_uint ("content-hash-type",
1035           "file transfer hash type",
1036           "The type of the file transfer hash",
1037           0,
1038           G_MAXUINT,
1039           0,
1040           G_PARAM_READWRITE));
1041
1042   g_object_class_install_property (object_class,
1043       PROP_CONTENT_HASH,
1044       g_param_spec_string ("content-hash",
1045           "file transfer hash",
1046           "The hash of the transfer's contents",
1047           "",
1048           G_PARAM_READWRITE));
1049
1050   g_object_class_install_property (object_class,
1051       PROP_TRANSFERRED_BYTES,
1052       g_param_spec_uint64 ("transferred-bytes",
1053           "bytes transferred",
1054           "The number of bytes transferred",
1055           0,
1056           G_MAXUINT64,
1057           0,
1058           G_PARAM_READWRITE));
1059
1060   g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv));
1061 }