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office-gobmx/tubes/source/file-transfer-helper.c
Matúš Kukan 1fa1894ec4 tubes: use file channel description for sending UUID 
Change-Id: I44129798110491cd59e1eb39d2f4c2cf3eb3c81b
2012-08-08 10:04:19 +02:00

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/*
* empathy-ft-handler.c - Source for EmpathyFTHandler
* Copyright © 2009, 2012 Collabora Ltd.
* Copyright © 2009 Frédéric Péters
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimo.cecchi@collabora.co.uk>
*/
/* empathy-ft-handler.c */
#include <glib.h>
#include <glib/gi18n.h>
#include <telepathy-glib/account-channel-request.h>
#include <telepathy-glib/util.h>
#include <telepathy-glib/dbus.h>
#include <telepathy-glib/interfaces.h>
#include <tubes/file-transfer-helper.h>
#define DEBUG(...)
/**
* SECTION:empathy-ft-handler
* @title: EmpathyFTHandler
* @short_description: an object representing a File Transfer
* @include: libempathy/empathy-ft-handler
*
* #EmpathyFTHandler is the object which represents a File Transfer with all
* its properties.
* The creation of an #EmpathyFTHandler is done with
* empathy_ft_handler_new_outgoing() or empathy_ft_handler_new_incoming(),
* even though clients should not need to call them directly, as
* #EmpathyFTFactory does it for them. Remember that for the file transfer
* to work with an incoming handler,
* empathy_ft_handler_incoming_set_destination() should be called after
* empathy_ft_handler_new_incoming(). #EmpathyFTFactory does this
* automatically.
* It's important to note that, as the creation of the handlers is async, once
* an handler is created, it already has all the interesting properties set,
* like filename, total bytes, content type and so on, making it useful
* to be displayed in an UI.
* The transfer API works like a state machine; it has three signals,
* ::transfer-started, ::transfer-progress, ::transfer-done, which will be
* emitted in the relevant phases.
* In addition, if the handler is created with checksumming enabled,
* other three signals (::hashing-started, ::hashing-progress, ::hashing-done)
* will be emitted before or after the transfer, depending on the direction
* (respectively outgoing and incoming) of the handler.
* At any time between the call to empathy_ft_handler_start_transfer() and
* the last signal, a ::transfer-error can be emitted, indicating that an
* error has happened in the operation. The message of the error is localized
* to use in an UI.
*/
G_DEFINE_TYPE (EmpathyFTHandler, empathy_ft_handler, G_TYPE_OBJECT)
#define BUFFER_SIZE 4096
enum {
PROP_CHANNEL = 1,
PROP_G_FILE,
PROP_ACCOUNT,
PROP_CONTACT,
PROP_CONTENT_TYPE,
PROP_DESCRIPTION,
PROP_FILENAME,
PROP_MODIFICATION_TIME,
PROP_TOTAL_BYTES,
PROP_TRANSFERRED_BYTES,
PROP_USER_ACTION_TIME
};
enum {
HASHING_STARTED,
HASHING_PROGRESS,
HASHING_DONE,
TRANSFER_STARTED,
TRANSFER_PROGRESS,
TRANSFER_DONE,
TRANSFER_ERROR,
LAST_SIGNAL
};
typedef struct {
GInputStream *stream;
GError *error /* comment to make the style checker happy */;
guchar *buffer;
GChecksum *checksum;
gssize total_read;
guint64 total_bytes;
EmpathyFTHandler *handler;
} HashingData;
typedef struct {
EmpathyFTHandlerReadyCallback callback;
gpointer user_data;
EmpathyFTHandler *handler;
} CallbacksData;
/* private data */
struct _EmpathyFTHandlerPriv {
gboolean dispose_run;
GFile *gfile;
TpFileTransferChannel *channel;
GCancellable *cancellable;
gboolean use_hash;
/* request for the new transfer */
GHashTable *request;
/* transfer properties */
TpAccount *account;
TpContact *contact;
gchar *content_type;
gchar *filename;
gchar *description;
guint64 total_bytes;
guint64 transferred_bytes;
guint64 mtime;
gchar *content_hash;
TpFileHashType content_hash_type;
gchar *service_name;
gint64 user_action_time;
/* time and speed */
gdouble speed;
guint remaining_time;
gint64 last_update_time;
gboolean is_completed;
};
static guint signals[LAST_SIGNAL] = { 0 };
static gboolean do_hash_job_incoming (GIOSchedulerJob *job,
GCancellable *cancellable, gpointer user_data);
/* GObject implementations */
static void
do_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyFTHandler *self = EMPATHY_FT_HANDLER (object);
EmpathyFTHandlerPriv *priv = self->priv;
switch (property_id)
{
case PROP_ACCOUNT:
g_value_set_object (value, priv->account);
break;
case PROP_CONTACT:
g_value_set_object (value, priv->contact);
break;
case PROP_CONTENT_TYPE:
g_value_set_string (value, priv->content_type);
break;
case PROP_DESCRIPTION:
g_value_set_string (value, priv->description);
break;
case PROP_FILENAME:
g_value_set_string (value, priv->filename);
break;
case PROP_MODIFICATION_TIME:
g_value_set_uint64 (value, priv->mtime);
break;
case PROP_TOTAL_BYTES:
g_value_set_uint64 (value, priv->total_bytes);
break;
case PROP_TRANSFERRED_BYTES:
g_value_set_uint64 (value, priv->transferred_bytes);
break;
case PROP_G_FILE:
g_value_set_object (value, priv->gfile);
break;
case PROP_CHANNEL:
g_value_set_object (value, priv->channel);
break;
case PROP_USER_ACTION_TIME:
g_value_set_int64 (value, priv->user_action_time);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
do_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyFTHandler *self = EMPATHY_FT_HANDLER (object);
EmpathyFTHandlerPriv *priv = self->priv;
switch (property_id)
{
case PROP_ACCOUNT:
priv->account = g_value_dup_object (value);
break;
case PROP_CONTACT:
priv->contact = g_value_dup_object (value);
break;
case PROP_CONTENT_TYPE:
priv->content_type = g_value_dup_string (value);
break;
case PROP_DESCRIPTION:
priv->description = g_value_dup_string (value);
break;
case PROP_FILENAME:
priv->filename = g_value_dup_string (value);
break;
case PROP_MODIFICATION_TIME:
priv->mtime = g_value_get_uint64 (value);
break;
case PROP_TOTAL_BYTES:
priv->total_bytes = g_value_get_uint64 (value);
break;
case PROP_TRANSFERRED_BYTES:
priv->transferred_bytes = g_value_get_uint64 (value);
break;
case PROP_G_FILE:
priv->gfile = g_value_dup_object (value);
break;
case PROP_CHANNEL:
priv->channel = g_value_dup_object (value);
break;
case PROP_USER_ACTION_TIME:
priv->user_action_time = g_value_get_int64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
do_dispose (GObject *object)
{
EmpathyFTHandler *self = EMPATHY_FT_HANDLER (object);
EmpathyFTHandlerPriv *priv = self->priv;
if (priv->dispose_run)
return;
priv->dispose_run = TRUE;
if (priv->account != NULL) {
g_object_unref (priv->account);
priv->account = NULL;
}
if (priv->contact != NULL) {
g_object_unref (priv->contact);
priv->contact = NULL;
}
if (priv->gfile != NULL) {
g_object_unref (priv->gfile);
priv->gfile = NULL;
}
if (priv->channel != NULL) {
tp_channel_close_async (TP_CHANNEL (priv->channel), NULL, NULL);
g_object_unref (priv->channel);
priv->channel = NULL;
}
if (priv->cancellable != NULL) {
g_object_unref (priv->cancellable);
priv->cancellable = NULL;
}
if (priv->request != NULL)
{
g_hash_table_unref (priv->request);
priv->request = NULL;
}
G_OBJECT_CLASS (empathy_ft_handler_parent_class)->dispose (object);
}
static void
do_finalize (GObject *object)
{
EmpathyFTHandler *self = EMPATHY_FT_HANDLER (object);
EmpathyFTHandlerPriv *priv = self->priv;
DEBUG ("%p", object);
g_free (priv->content_type);
priv->content_type = NULL;
g_free (priv->filename);
priv->filename = NULL;
g_free (priv->description);
priv->description = NULL;
g_free (priv->content_hash);
priv->content_hash = NULL;
g_free (priv->service_name);
priv->service_name = NULL;
G_OBJECT_CLASS (empathy_ft_handler_parent_class)->finalize (object);
}
static void
empathy_ft_handler_class_init (EmpathyFTHandlerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GParamSpec *param_spec;
g_type_class_add_private (klass, sizeof (EmpathyFTHandlerPriv));
object_class->get_property = do_get_property;
object_class->set_property = do_set_property;
object_class->dispose = do_dispose;
object_class->finalize = do_finalize;
/* properties */
/**
* EmpathyFTHandler:account:
*
* The local #TpAccount for the file transfer
*/
param_spec = g_param_spec_object ("account",
"account", "The remote account",
TP_TYPE_ACCOUNT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_ACCOUNT, param_spec);
/**
* EmpathyFTHandler:contact:
*
* The remote #TpContact for the transfer
*/
param_spec = g_param_spec_object ("contact",
"contact", "The remote contact",
TP_TYPE_CONTACT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_CONTACT, param_spec);
/**
* EmpathyFTHandler:content-type:
*
* The content type of the file being transferred
*/
param_spec = g_param_spec_string ("content-type",
"content-type", "The content type of the file", NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_CONTENT_TYPE, param_spec);
/**
* EmpathyFTHandler:description:
*
* The description of the file being transferred
*/
param_spec = g_param_spec_string ("description",
"description", "The description of the file", NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_DESCRIPTION, param_spec);
/**
* EmpathyFTHandler:filename:
*
* The name of the file being transferred
*/
param_spec = g_param_spec_string ("filename",
"filename", "The name of the file", NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_FILENAME, param_spec);
/**
* EmpathyFTHandler:modification-time:
*
* The modification time of the file being transferred
*/
param_spec = g_param_spec_uint64 ("modification-time",
"modification-time", "The mtime of the file", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_MODIFICATION_TIME, param_spec);
/**
* EmpathyFTHandler:total-bytes:
*
* The size (in bytes) of the file being transferred
*/
param_spec = g_param_spec_uint64 ("total-bytes",
"total-bytes", "The size of the file", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_TOTAL_BYTES, param_spec);
/**
* EmpathyFTHandler:transferred-bytes:
*
* The number of the bytes already transferred
*/
param_spec = g_param_spec_uint64 ("transferred-bytes",
"transferred-bytes", "The number of bytes already transferred", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class,
PROP_TRANSFERRED_BYTES, param_spec);
/**
* EmpathyFTHandler:gfile:
*
* The #GFile object where the transfer actually happens
*/
param_spec = g_param_spec_object ("gfile",
"gfile", "The GFile we're handling",
G_TYPE_FILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_G_FILE, param_spec);
/**
* EmpathyFTHandler:channel:
*
* The underlying #TpFileTransferChannel managing the transfer
*/
param_spec = g_param_spec_object ("channel",
"channel", "The file transfer channel",
TP_TYPE_FILE_TRANSFER_CHANNEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_CHANNEL, param_spec);
param_spec = g_param_spec_int64 ("user-action-time", "user action time",
"User action time",
0, G_MAXINT64, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_USER_ACTION_TIME,
param_spec);
/* signals */
/**
* EmpathyFTHandler::transfer-started
* @handler: the object which has received the signal
* @channel: the #TpFileTransferChannel for which the transfer has started
*
* This signal is emitted when the actual transfer starts.
*/
signals[TRANSFER_STARTED] =
g_signal_new ("transfer-started", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1, TP_TYPE_FILE_TRANSFER_CHANNEL);
/**
* EmpathyFTHandler::transfer-done
* @handler: the object which has received the signal
* @channel: the #TpFileTransferChannel for which the transfer has started
*
* This signal will be emitted when the actual transfer is completed
* successfully.
*/
signals[TRANSFER_DONE] =
g_signal_new ("transfer-done", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1, TP_TYPE_FILE_TRANSFER_CHANNEL);
/**
* EmpathyFTHandler::transfer-error
* @handler: the object which has received the signal
* @error: a #GError
*
* This signal can be emitted anytime between the call to
* empathy_ft_handler_start_transfer() and the last expected signal
* (::transfer-done or ::hashing-done), and it's guaranteed to be the last
* signal coming from the handler, meaning that no other operation will
* take place after this signal.
*/
signals[TRANSFER_ERROR] =
g_signal_new ("transfer-error", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1, G_TYPE_POINTER);
/**
* EmpathyFTHandler::transfer-progress
* @handler: the object which has received the signal
* @current_bytes: the bytes currently transferred
* @total_bytes: the total bytes of the handler
* @remaining_time: the number of seconds remaining for the transfer
* to be completed
* @speed: the current speed of the transfer (in KB/s)
*
* This signal is emitted to notify clients of the progress of the
* transfer.
*/
signals[TRANSFER_PROGRESS] =
g_signal_new ("transfer-progress", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
4, G_TYPE_UINT64, G_TYPE_UINT64, G_TYPE_UINT, G_TYPE_DOUBLE);
/**
* EmpathyFTHandler::hashing-started
* @handler: the object which has received the signal
*
* This signal is emitted when the hashing operation of the handler
* is started. Note that this might happen or not, depending on the CM
* and remote contact capabilities. Clients shoud use
* empathy_ft_handler_get_use_hash() before calling
* empathy_ft_handler_start_transfer() to know whether they should connect
* to this signal.
*/
signals[HASHING_STARTED] =
g_signal_new ("hashing-started", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE, 0);
/**
* EmpathyFTHandler::hashing-progress
* @handler: the object which has received the signal
* @current_bytes: the bytes currently hashed
* @total_bytes: the total bytes of the handler
*
* This signal is emitted to notify clients of the progress of the
* hashing operation.
*/
signals[HASHING_PROGRESS] =
g_signal_new ("hashing-progress", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
2, G_TYPE_UINT64, G_TYPE_UINT64);
/**
* EmpathyFTHandler::hashing-done
* @handler: the object which has received the signal
*
* This signal is emitted when the hashing operation of the handler
* is completed.
*/
signals[HASHING_DONE] =
g_signal_new ("hashing-done", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE, 0);
}
static void
empathy_ft_handler_init (EmpathyFTHandler *self)
{
EmpathyFTHandlerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
EMPATHY_TYPE_FT_HANDLER, EmpathyFTHandlerPriv);
self->priv = priv;
priv->cancellable = g_cancellable_new ();
}
/* private functions */
static void
hash_data_free (HashingData *data)
{
g_free (data->buffer);
if (data->stream != NULL)
g_object_unref (data->stream);
if (data->checksum != NULL)
g_checksum_free (data->checksum);
if (data->error != NULL)
g_error_free (data->error);
if (data->handler != NULL)
g_object_unref (data->handler);
g_slice_free (HashingData, data);
}
static GChecksumType
tp_file_hash_to_g_checksum (TpFileHashType type)
{
GChecksumType retval;
switch (type)
{
case TP_FILE_HASH_TYPE_MD5:
retval = G_CHECKSUM_MD5;
break;
case TP_FILE_HASH_TYPE_SHA1:
retval = G_CHECKSUM_SHA1;
break;
case TP_FILE_HASH_TYPE_SHA256:
retval = G_CHECKSUM_SHA256;
break;
case TP_FILE_HASH_TYPE_NONE:
default:
g_assert_not_reached ();
break;
}
return retval;
}
static void
check_hash_incoming (EmpathyFTHandler *handler)
{
HashingData *hash_data;
EmpathyFTHandlerPriv *priv = handler->priv;
if (!tp_str_empty (priv->content_hash))
{
hash_data = g_slice_new0 (HashingData);
hash_data->total_bytes = priv->total_bytes;
hash_data->handler = g_object_ref (handler);
hash_data->checksum = g_checksum_new
(tp_file_hash_to_g_checksum (priv->content_hash_type));
g_signal_emit (handler, signals[HASHING_STARTED], 0);
g_io_scheduler_push_job (do_hash_job_incoming, hash_data, NULL,
G_PRIORITY_DEFAULT, priv->cancellable);
}
}
static void
emit_error_signal (EmpathyFTHandler *handler,
const GError *error)
{
EmpathyFTHandlerPriv *priv = handler->priv;
DEBUG ("Error in transfer: %s\n", error->message);
if (!g_cancellable_is_cancelled (priv->cancellable))
g_cancellable_cancel (priv->cancellable);
g_signal_emit (handler, signals[TRANSFER_ERROR], 0, error);
}
static gint64
time_get_current (void)
{
GDateTime *now;
gint64 result;
now = g_date_time_new_now_utc ();
result = g_date_time_to_unix (now);
g_date_time_unref (now);
return result;
}
static void
update_remaining_time_and_speed (EmpathyFTHandler *handler,
guint64 transferred_bytes)
{
EmpathyFTHandlerPriv *priv = handler->priv;
gint64 elapsed_time, current_time;
guint64 transferred, last_transferred_bytes;
gdouble speed;
gint remaining_time;
last_transferred_bytes = priv->transferred_bytes;
priv->transferred_bytes = transferred_bytes;
current_time = time_get_current ();
elapsed_time = current_time - priv->last_update_time;
if (elapsed_time >= 1)
{
transferred = transferred_bytes - last_transferred_bytes;
speed = (gdouble) transferred / (gdouble) elapsed_time;
remaining_time = (priv->total_bytes - priv->transferred_bytes) / speed;
priv->speed = speed;
priv->remaining_time = remaining_time;
priv->last_update_time = current_time;
}
}
static void
ft_transfer_transferred_bytes_cb (TpFileTransferChannel *channel,
GParamSpec *pspec,
EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv = handler->priv;
guint64 bytes;
(void)pspec; /* suppress unused-parameter warning */
if (empathy_ft_handler_is_cancelled (handler))
return;
bytes = tp_file_transfer_channel_get_transferred_bytes (channel);
if (priv->transferred_bytes == 0)
{
priv->last_update_time = time_get_current ();
g_signal_emit (handler, signals[TRANSFER_STARTED], 0, channel);
}
if (priv->transferred_bytes != bytes)
{
update_remaining_time_and_speed (handler, bytes);
g_signal_emit (handler, signals[TRANSFER_PROGRESS], 0,
bytes, priv->total_bytes, priv->remaining_time,
priv->speed);
}
}
static void
ft_transfer_provide_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
TpFileTransferChannel *channel = TP_FILE_TRANSFER_CHANNEL (source);
EmpathyFTHandler *handler = user_data;
GError *error = NULL;
if (!tp_file_transfer_channel_provide_file_finish (channel, result, &error))
{
emit_error_signal (handler, error);
g_clear_error (&error);
}
}
static void
ft_transfer_accept_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
TpFileTransferChannel *channel = TP_FILE_TRANSFER_CHANNEL (source);
EmpathyFTHandler *handler = user_data;
GError *error = NULL;
if (!tp_file_transfer_channel_accept_file_finish (channel, result, &error))
{
emit_error_signal (handler, error);
g_clear_error (&error);
}
}
static GError *
error_from_state_change_reason (TpFileTransferStateChangeReason reason)
{
const char *string;
GError *retval = NULL;
string = NULL;
switch (reason)
{
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE:
string = _("No reason was specified");
break;
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REQUESTED:
string = _("The change in state was requested");
break;
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_STOPPED:
string = _("You canceled the file transfer");
break;
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REMOTE_STOPPED:
string = _("The other participant canceled the file transfer");
break;
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_LOCAL_ERROR:
string = _("Error while trying to transfer the file");
break;
case TP_FILE_TRANSFER_STATE_CHANGE_REASON_REMOTE_ERROR:
string = _("The other participant is unable to transfer the file");
break;
default:
string = _("Unknown reason");
break;
}
retval = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
EMPATHY_FT_ERROR_TP_ERROR, string);
return retval;
}
static void
ft_transfer_state_cb (TpFileTransferChannel *channel,
GParamSpec *pspec,
EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv = handler->priv;
TpFileTransferStateChangeReason reason;
TpFileTransferState state = tp_file_transfer_channel_get_state (
channel, &reason);
(void)pspec; /* suppress unused-parameter warning */
if (state == TP_FILE_TRANSFER_STATE_COMPLETED)
{
priv->is_completed = TRUE;
g_signal_emit (handler, signals[TRANSFER_DONE], 0, channel);
tp_channel_close_async (TP_CHANNEL (channel), NULL, NULL);
if (empathy_ft_handler_is_incoming (handler) && priv->use_hash)
{
check_hash_incoming (handler);
}
}
else if (state == TP_FILE_TRANSFER_STATE_CANCELLED)
{
GError *error = error_from_state_change_reason (reason);
emit_error_signal (handler, error);
g_clear_error (&error);
}
}
static void
ft_handler_create_channel_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
EmpathyFTHandler *handler = user_data;
EmpathyFTHandlerPriv *priv = handler->priv;
GError *error = NULL;
TpChannel *channel;
DEBUG ("Dispatcher create channel CB");
channel = tp_account_channel_request_create_and_handle_channel_finish (
TP_ACCOUNT_CHANNEL_REQUEST (source), result, NULL, &error);
if (channel == NULL)
DEBUG ("Failed to request FT channel: %s", error->message);
else
g_cancellable_set_error_if_cancelled (priv->cancellable, &error);
if (error != NULL)
{
emit_error_signal (handler, error);
g_clear_object (&channel);
g_error_free (error);
return;
}
priv->channel = TP_FILE_TRANSFER_CHANNEL (channel);
tp_g_signal_connect_object (priv->channel, "notify::state",
G_CALLBACK (ft_transfer_state_cb), handler, 0);
tp_g_signal_connect_object (priv->channel, "notify::transferred-bytes",
G_CALLBACK (ft_transfer_transferred_bytes_cb), handler, 0);
tp_file_transfer_channel_provide_file_async (priv->channel, priv->gfile,
ft_transfer_provide_cb, handler);
}
static void
ft_handler_push_to_dispatcher (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv = handler->priv;
TpAccountChannelRequest *req;
DEBUG ("Pushing request to the dispatcher");
req = tp_account_channel_request_new (priv->account, priv->request,
priv->user_action_time);
tp_account_channel_request_create_and_handle_channel_async (req, NULL,
ft_handler_create_channel_cb, handler);
g_object_unref (req);
}
static void
ft_handler_populate_outgoing_request (EmpathyFTHandler *handler)
{
guint contact_handle;
EmpathyFTHandlerPriv *priv = handler->priv;
gchar *uri;
contact_handle = tp_contact_get_handle (priv->contact);
uri = g_file_get_uri (priv->gfile);
priv->request = tp_asv_new (
TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
TP_HANDLE_TYPE_CONTACT,
TP_PROP_CHANNEL_TARGET_HANDLE, G_TYPE_UINT,
contact_handle,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_CONTENT_TYPE, G_TYPE_STRING,
priv->content_type,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_FILENAME, G_TYPE_STRING,
priv->filename,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_SIZE, G_TYPE_UINT64,
priv->total_bytes,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_DATE, G_TYPE_UINT64,
priv->mtime,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_URI, G_TYPE_STRING, uri,
NULL);
if (priv->service_name != NULL)
tp_asv_set_string (priv->request, TP_PROP_CHANNEL_INTERFACE_FILE_TRANSFER_METADATA_SERVICE_NAME, priv->service_name);
if (priv->description != NULL)
tp_asv_set_string (priv->request, TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_DESCRIPTION, priv->description);
g_free (uri);
}
static gboolean
hash_job_done (gpointer user_data)
{
HashingData *hash_data = user_data;
EmpathyFTHandler *handler = hash_data->handler;
EmpathyFTHandlerPriv *priv;
GError *error = NULL;
DEBUG ("Closing stream after hashing.");
priv = handler->priv;
if (hash_data->error != NULL)
{
error = hash_data->error;
hash_data->error = NULL;
goto cleanup;
}
DEBUG ("Got file hash %s", g_checksum_get_string (hash_data->checksum));
if (empathy_ft_handler_is_incoming (handler))
{
if (g_strcmp0 (g_checksum_get_string (hash_data->checksum),
priv->content_hash))
{
DEBUG ("Hash mismatch when checking incoming handler: "
"received %s, calculated %s", priv->content_hash,
g_checksum_get_string (hash_data->checksum));
error = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
EMPATHY_FT_ERROR_HASH_MISMATCH,
_("File transfer completed, but the file was corrupted"));
goto cleanup;
}
else
{
DEBUG ("Hash verification matched, received %s, calculated %s",
priv->content_hash,
g_checksum_get_string (hash_data->checksum));
}
}
else
{
/* set the checksum in the request...
* org.freedesktop.Telepathy.Channel.Type.FileTransfer.ContentHash
*/
tp_asv_set_string (priv->request,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_CONTENT_HASH,
g_checksum_get_string (hash_data->checksum));
}
cleanup:
if (error != NULL)
{
emit_error_signal (handler, error);
g_clear_error (&error);
}
else
{
g_signal_emit (handler, signals[HASHING_DONE], 0);
if (!empathy_ft_handler_is_incoming (handler))
/* the request is complete now, push it to the dispatcher */
ft_handler_push_to_dispatcher (handler);
}
hash_data_free (hash_data);
return FALSE;
}
static gboolean
emit_hashing_progress (gpointer user_data)
{
HashingData *hash_data = user_data;
g_signal_emit (hash_data->handler, signals[HASHING_PROGRESS], 0,
(guint64) hash_data->total_read, (guint64) hash_data->total_bytes);
return FALSE;
}
static gboolean
do_hash_job (GIOSchedulerJob *job,
GCancellable *cancellable,
gpointer user_data)
{
HashingData *hash_data = user_data;
gssize bytes_read;
GError *error = NULL;
again:
if (hash_data->buffer == NULL)
hash_data->buffer = g_malloc0 (BUFFER_SIZE);
bytes_read = g_input_stream_read (hash_data->stream, hash_data->buffer,
BUFFER_SIZE, cancellable, &error);
if (error != NULL)
goto out;
hash_data->total_read += bytes_read;
/* we now have the chunk */
if (bytes_read > 0)
{
g_checksum_update (hash_data->checksum, hash_data->buffer, bytes_read);
g_io_scheduler_job_send_to_mainloop_async (job, emit_hashing_progress,
hash_data, NULL);
g_free (hash_data->buffer);
hash_data->buffer = NULL;
goto again;
}
else
{
g_input_stream_close (hash_data->stream, cancellable, &error);
}
out:
if (error != NULL)
hash_data->error = error;
g_io_scheduler_job_send_to_mainloop_async (job, hash_job_done,
hash_data, NULL);
return FALSE;
}
static gboolean
do_hash_job_incoming (GIOSchedulerJob *job,
GCancellable *cancellable,
gpointer user_data)
{
HashingData *hash_data = user_data;
EmpathyFTHandler *handler = hash_data->handler;
EmpathyFTHandlerPriv *priv = handler->priv;
GError *error = NULL;
DEBUG ("checking integrity for incoming handler");
/* need to get the stream first */
hash_data->stream =
G_INPUT_STREAM (g_file_read (priv->gfile, cancellable, &error));
if (error != NULL)
{
hash_data->error = error;
g_io_scheduler_job_send_to_mainloop_async (job, hash_job_done,
hash_data, NULL);
return FALSE;
}
return do_hash_job (job, cancellable, user_data);
}
static void
ft_handler_read_async_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
GFileInputStream *stream;
GError *error = NULL;
HashingData *hash_data;
EmpathyFTHandler *handler = user_data;
EmpathyFTHandlerPriv *priv = handler->priv;
(void)source; /* suppress unused-parameter warning */
DEBUG ("GFile read async CB.");
stream = g_file_read_finish (priv->gfile, res, &error);
if (error != NULL)
{
emit_error_signal (handler, error);
g_clear_error (&error);
return;
}
hash_data = g_slice_new0 (HashingData);
hash_data->stream = G_INPUT_STREAM (stream);
hash_data->total_bytes = priv->total_bytes;
hash_data->handler = g_object_ref (handler);
/* FIXME: MD5 is the only ContentHashType supported right now */
hash_data->checksum = g_checksum_new (G_CHECKSUM_MD5);
tp_asv_set_uint32 (priv->request,
TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_CONTENT_HASH_TYPE,
TP_FILE_HASH_TYPE_MD5);
g_signal_emit (handler, signals[HASHING_STARTED], 0);
g_io_scheduler_push_job (do_hash_job, hash_data, NULL,
G_PRIORITY_DEFAULT, priv->cancellable);
}
static void
callbacks_data_free (gpointer user_data)
{
CallbacksData *data = user_data;
if (data->handler != NULL)
g_object_unref (data->handler);
g_slice_free (CallbacksData, data);
}
static gint
cmp_uint (
gconstpointer a,
gconstpointer b)
{
return *(guint *) a - *(guint *) b;
}
static gboolean
set_content_hash_type_from_classes (EmpathyFTHandler *handler,
GPtrArray *classes)
{
GArray *possible_values;
guint value;
gboolean valid;
EmpathyFTHandlerPriv *priv = handler->priv;
gboolean support_ft = FALSE;
guint i;
possible_values = g_array_new (TRUE, TRUE, sizeof (guint));
for (i = 0; i < classes->len; i++)
{
GHashTable *fixed;
GStrv allowed;
const gchar *chan_type;
tp_value_array_unpack (g_ptr_array_index (classes, i), 2,
&fixed, &allowed);
chan_type = tp_asv_get_string (fixed, TP_PROP_CHANNEL_CHANNEL_TYPE);
if (tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
continue;
if (tp_asv_get_uint32 (fixed, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL) !=
TP_HANDLE_TYPE_CONTACT)
continue;
support_ft = TRUE;
value = tp_asv_get_uint32
(fixed, TP_PROP_CHANNEL_TYPE_FILE_TRANSFER_CONTENT_HASH_TYPE,
&valid);
if (valid)
g_array_append_val (possible_values, value);
}
if (!support_ft)
{
g_array_unref (possible_values);
return FALSE;
}
if (possible_values->len == 0)
{
/* there are no channel classes with hash support, disable it. */
priv->use_hash = FALSE;
priv->content_hash_type = TP_FILE_HASH_TYPE_NONE;
goto out;
}
priv->use_hash = TRUE;
if (possible_values->len == 1)
{
priv->content_hash_type = g_array_index (possible_values, guint, 0);
}
else
{
/* order the array and pick the first non zero, so that MD5
* is the preferred value.
*/
g_array_sort (possible_values, cmp_uint);
if (g_array_index (possible_values, guint, 0) == 0)
priv->content_hash_type = g_array_index (possible_values, guint, 1);
else
priv->content_hash_type = g_array_index (possible_values, guint, 0);
}
out:
g_array_unref (possible_values);
DEBUG ("Hash enabled %s; setting content hash type as %u",
priv->use_hash ? "True" : "False", priv->content_hash_type);
return TRUE;
}
static void
check_hashing (CallbacksData *data)
{
EmpathyFTHandler *handler = data->handler;
EmpathyFTHandlerPriv *priv = handler->priv;
GError *myerr = NULL;
TpCapabilities *caps;
GPtrArray *classes;
TpConnection *conn;
conn = tp_account_get_connection (priv->account);
caps = tp_connection_get_capabilities (conn);
if (caps == NULL)
{
data->callback (handler, NULL, data->user_data);
goto out;
}
classes = tp_capabilities_get_channel_classes (caps);
/* set whether we support hash and the type of it */
if (!set_content_hash_type_from_classes (handler, classes))
{
g_set_error_literal (&myerr, EMPATHY_FT_ERROR_QUARK,
EMPATHY_FT_ERROR_NOT_SUPPORTED,
_("File transfer not supported by remote contact"));
if (!g_cancellable_is_cancelled (priv->cancellable))
g_cancellable_cancel (priv->cancellable);
data->callback (handler, myerr, data->user_data);
g_clear_error (&myerr);
}
else
{
/* get back to the caller now */
data->callback (handler, NULL, data->user_data);
}
out:
callbacks_data_free (data);
}
static void
ft_handler_complete_request (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv = handler->priv;
/* populate the request table with all the known properties */
ft_handler_populate_outgoing_request (handler);
if (priv->use_hash)
/* start hashing the file */
g_file_read_async (priv->gfile, G_PRIORITY_DEFAULT,
priv->cancellable, ft_handler_read_async_cb, handler);
else
/* push directly the handler to the dispatcher */
ft_handler_push_to_dispatcher (handler);
}
static void
ft_handler_gfile_ready_cb (GObject *source,
GAsyncResult *res,
CallbacksData *cb_data)
{
GFileInfo *info;
GError *error = NULL;
GTimeVal mtime;
EmpathyFTHandlerPriv *priv = cb_data->handler->priv;
(void)source; /* suppress unused-parameter warning */
DEBUG ("Got GFileInfo.");
info = g_file_query_info_finish (priv->gfile, res, &error);
if (error != NULL)
goto out;
if (g_file_info_get_file_type (info) != G_FILE_TYPE_REGULAR)
{
error = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
EMPATHY_FT_ERROR_INVALID_SOURCE_FILE,
_("The selected file is not a regular file"));
goto out;
}
priv->total_bytes = g_file_info_get_size (info);
if (priv->total_bytes == 0)
{
error = g_error_new_literal (EMPATHY_FT_ERROR_QUARK,
EMPATHY_FT_ERROR_EMPTY_SOURCE_FILE,
_("The selected file is empty"));
goto out;
}
priv->content_type = g_strdup (g_file_info_get_content_type (info));
priv->filename = g_strdup (g_file_info_get_display_name (info));
g_file_info_get_modification_time (info, &mtime);
priv->mtime = mtime.tv_sec;
priv->transferred_bytes = 0;
priv->description = NULL;
g_object_unref (info);
out:
if (error != NULL)
{
if (!g_cancellable_is_cancelled (priv->cancellable))
g_cancellable_cancel (priv->cancellable);
cb_data->callback (cb_data->handler, error, cb_data->user_data);
g_error_free (error);
callbacks_data_free (cb_data);
}
else
{
/* see if FT/hashing are allowed */
check_hashing (cb_data);
}
}
static void
channel_prepared_cb (
GObject *source,
GAsyncResult *result,
gpointer user_data)
{
TpFileTransferChannel *channel = TP_FILE_TRANSFER_CHANNEL (source);
CallbacksData *cb_data = user_data;
EmpathyFTHandler *handler = cb_data->handler;
EmpathyFTHandlerPriv *priv = handler->priv;
GHashTable *properties;
GError *error = NULL;
if (!tp_proxy_prepare_finish (channel, result, &error))
{
if (!g_cancellable_is_cancelled (priv->cancellable))
g_cancellable_cancel (priv->cancellable);
cb_data->callback (handler, error, cb_data->user_data);
g_clear_error (&error);
callbacks_data_free (cb_data);
return;
}
properties = tp_channel_borrow_immutable_properties (TP_CHANNEL (channel));
priv->content_hash = g_strdup (
tp_asv_get_string (properties, "ContentHash"));
priv->content_hash_type = tp_asv_get_uint32 (
properties, "ContentHashType", NULL);
priv->contact = g_object_ref (tp_channel_get_target_contact (TP_CHANNEL (channel)));
cb_data->callback (handler, NULL, cb_data->user_data);
}
/* public methods */
/**
* empathy_ft_handler_new_outgoing:
* @account: the #TpAccount to send @source to
* @contact: the #TpContact to send @source to
* @source: the #GFile to send
* @callback: callback to be called when the handler has been created
* @user_data: user data to be passed to @callback
*
* Triggers the creation of a new #EmpathyFTHandler for an outgoing transfer.
*/
void
empathy_ft_handler_new_outgoing (
TpAccount *account,
TpContact *contact,
GFile *source,
gint64 action_time,
EmpathyFTHandlerReadyCallback callback,
gpointer user_data)
{
EmpathyFTHandler *handler;
CallbacksData *data;
EmpathyFTHandlerPriv *priv;
DEBUG ("New handler outgoing");
g_return_if_fail (TP_IS_ACCOUNT (account));
g_return_if_fail (TP_IS_CONTACT (contact));
g_return_if_fail (G_IS_FILE (source));
handler = g_object_new (EMPATHY_TYPE_FT_HANDLER,
"account", account,
"contact", contact,
"gfile", source,
"user-action-time", action_time,
NULL);
priv = handler->priv;
data = g_slice_new0 (CallbacksData);
data->callback = callback;
data->user_data = user_data;
data->handler = g_object_ref (handler);
/* start collecting info about the file */
g_file_query_info_async (priv->gfile,
G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME ","
G_FILE_ATTRIBUTE_STANDARD_SIZE ","
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE ","
G_FILE_ATTRIBUTE_STANDARD_TYPE ","
G_FILE_ATTRIBUTE_TIME_MODIFIED,
G_FILE_QUERY_INFO_NONE, G_PRIORITY_DEFAULT,
NULL, (GAsyncReadyCallback) ft_handler_gfile_ready_cb, data);
}
void
empathy_ft_handler_set_service_name (
EmpathyFTHandler *self,
const gchar *service_name)
{
g_free (self->priv->service_name);
self->priv->service_name = g_strdup (service_name);
}
void
empathy_ft_handler_set_description (
EmpathyFTHandler *self,
const gchar *description)
{
g_free (self->priv->description);
self->priv->description = g_strdup (description);
}
/**
* empathy_ft_handler_new_incoming:
* @channel: the #TpFileTransferChannel proxy to the incoming channel
* @callback: callback to be called when the handler has been created
* @user_data: user data to be passed to @callback
*
* Triggers the creation of a new #EmpathyFTHandler for an incoming transfer.
* Note that for the handler to be useful, you will have to set a destination
* file with empathy_ft_handler_incoming_set_destination() after the handler
* is ready.
*/
void
empathy_ft_handler_new_incoming (TpFileTransferChannel *channel,
EmpathyFTHandlerReadyCallback callback,
gpointer user_data)
{
EmpathyFTHandler *handler;
CallbacksData *data;
EmpathyFTHandlerPriv *priv;
GQuark features[] = { TP_CHANNEL_FEATURE_CONTACTS, 0 };
g_return_if_fail (TP_IS_FILE_TRANSFER_CHANNEL (channel));
handler = g_object_new (EMPATHY_TYPE_FT_HANDLER,
"channel", channel, NULL);
priv = handler->priv;
data = g_slice_new0 (CallbacksData);
data->callback = callback;
data->user_data = user_data;
data->handler = g_object_ref (handler);
priv->total_bytes = tp_file_transfer_channel_get_size (channel);
priv->transferred_bytes = tp_file_transfer_channel_get_transferred_bytes (
channel);
priv->filename = g_strdup (tp_file_transfer_channel_get_filename (channel));
priv->content_type = g_strdup (tp_file_transfer_channel_get_mime_type (
channel));
priv->description = g_strdup (tp_file_transfer_channel_get_description (
channel));
tp_proxy_prepare_async (channel, features,
channel_prepared_cb, data);
}
/**
* empathy_ft_handler_start_transfer:
* @handler: an #EmpathyFTHandler
*
* Starts the transfer machinery. After this call, the transfer and hashing
* signals will be emitted by the handler.
*/
void
empathy_ft_handler_start_transfer (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_if_fail (EMPATHY_IS_FT_HANDLER (handler));
priv = handler->priv;
if (priv->channel == NULL)
{
ft_handler_complete_request (handler);
}
else
{
/* TODO: add support for resume. */
tp_file_transfer_channel_accept_file_async (priv->channel,
priv->gfile, 0, ft_transfer_accept_cb, handler);
tp_g_signal_connect_object (priv->channel, "notify::state",
G_CALLBACK (ft_transfer_state_cb), handler, 0);
tp_g_signal_connect_object (priv->channel, "notify::transferred-bytes",
G_CALLBACK (ft_transfer_transferred_bytes_cb), handler, 0);
}
}
/**
* empathy_ft_handler_cancel_transfer:
* @handler: an #EmpathyFTHandler
*
* Cancels an ongoing handler operation. Note that this doesn't destroy
* the object, which will keep all the properties, altough it won't be able
* to do any more I/O.
*/
void
empathy_ft_handler_cancel_transfer (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_if_fail (EMPATHY_IS_FT_HANDLER (handler));
priv = handler->priv;
/* if we don't have a channel, we are hashing, so
* we can just cancel the GCancellable to stop it.
*/
if (priv->channel == NULL)
g_cancellable_cancel (priv->cancellable);
else
tp_channel_close_async (TP_CHANNEL (priv->channel), NULL, NULL);
}
/**
* empathy_ft_handler_incoming_set_destination:
* @handler: an #EmpathyFTHandler
* @destination: the #GFile where the transfer should be saved
*
* Sets the destination of the incoming handler to be @destination.
* Note that calling this method is mandatory before starting the transfer
* for incoming handlers.
*/
void
empathy_ft_handler_incoming_set_destination (EmpathyFTHandler *handler,
GFile *destination)
{
EmpathyFTHandlerPriv *priv;
g_return_if_fail (EMPATHY_IS_FT_HANDLER (handler));
g_return_if_fail (G_IS_FILE (destination));
priv = handler->priv;
g_object_set (handler, "gfile", destination, NULL);
/* check if hash is supported. if it isn't, set use_hash to FALSE
* anyway, so that clients won't be expecting us to checksum.
*/
if (tp_str_empty (priv->content_hash) ||
priv->content_hash_type == TP_FILE_HASH_TYPE_NONE)
priv->use_hash = FALSE;
else
priv->use_hash = TRUE;
}
/**
* empathy_ft_handler_get_filename:
* @handler: an #EmpathyFTHandler
*
* Returns the name of the file being transferred.
*
* Return value: the name of the file being transferred
*/
const char *
empathy_ft_handler_get_filename (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), NULL);
priv = handler->priv;
return priv->filename;
}
const char *
empathy_ft_handler_get_description (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), NULL);
priv = handler->priv;
return priv->description;
}
/**
* empathy_ft_handler_get_content_type:
* @handler: an #EmpathyFTHandler
*
* Returns the content type of the file being transferred.
*
* Return value: the content type of the file being transferred
*/
const char *
empathy_ft_handler_get_content_type (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), NULL);
priv = handler->priv;
return priv->content_type;
}
/**
* empathy_ft_handler_get_contact:
* @handler: an #EmpathyFTHandler
*
* Returns the remote #TpContact at the other side of the transfer.
*
* Return value: the remote #TpContact for @handler
*/
TpContact *
empathy_ft_handler_get_contact (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), NULL);
priv = handler->priv;
return priv->contact;
}
/**
* empathy_ft_handler_get_gfile:
* @handler: an #EmpathyFTHandler
*
* Returns the #GFile where the transfer is being read/saved.
*
* Return value: the #GFile where the transfer is being read/saved
*/
GFile *
empathy_ft_handler_get_gfile (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), NULL);
priv = handler->priv;
return priv->gfile;
}
/**
* empathy_ft_handler_get_use_hash:
* @handler: an #EmpathyFTHandler
*
* Returns whether @handler has checksumming enabled. This can depend on
* the CM and the remote contact capabilities.
*
* Return value: %TRUE if the handler has checksumming enabled,
* %FALSE otherwise.
*/
gboolean
empathy_ft_handler_get_use_hash (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), FALSE);
priv = handler->priv;
return priv->use_hash;
}
/**
* empathy_ft_handler_is_incoming:
* @handler: an #EmpathyFTHandler
*
* Returns whether @handler is incoming or outgoing.
*
* Return value: %TRUE if the handler is incoming, %FALSE otherwise.
*/
gboolean
empathy_ft_handler_is_incoming (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), FALSE);
priv = handler->priv;
if (priv->channel == NULL)
return FALSE;
return !tp_channel_get_requested ((TpChannel *) priv->channel);
}
/**
* empathy_ft_handler_get_transferred_bytes:
* @handler: an #EmpathyFTHandler
*
* Returns the number of bytes already transferred by the handler.
*
* Return value: the number of bytes already transferred by the handler.
*/
guint64
empathy_ft_handler_get_transferred_bytes (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), 0);
priv = handler->priv;
return priv->transferred_bytes;
}
/**
* empathy_ft_handler_get_total_bytes:
* @handler: an #EmpathyFTHandler
*
* Returns the total size of the file being transferred by the handler.
*
* Return value: a number of bytes indicating the total size of the file being
* transferred by the handler.
*/
guint64
empathy_ft_handler_get_total_bytes (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), 0);
priv = handler->priv;
return priv->total_bytes;
}
/**
* empathy_ft_handler_is_completed:
* @handler: an #EmpathyFTHandler
*
* Returns whether the transfer for @handler has been completed succesfully.
*
* Return value: %TRUE if the handler has been transferred correctly, %FALSE
* otherwise
*/
gboolean
empathy_ft_handler_is_completed (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), FALSE);
priv = handler->priv;
return priv->is_completed;
}
/**
* empathy_ft_handler_is_cancelled:
* @handler: an #EmpathyFTHandler
*
* Returns whether the transfer for @handler has been cancelled or has stopped
* due to an error.
*
* Return value: %TRUE if the transfer for @handler has been cancelled
* or has stopped due to an error, %FALSE otherwise.
*/
gboolean
empathy_ft_handler_is_cancelled (EmpathyFTHandler *handler)
{
EmpathyFTHandlerPriv *priv;
g_return_val_if_fail (EMPATHY_IS_FT_HANDLER (handler), FALSE);
priv = handler->priv;
return g_cancellable_is_cancelled (priv->cancellable);
}
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