diff options
| -rw-r--r-- | libempathy/Makefile.am | 5 | ||||
| -rw-r--r-- | libempathy/empathy-file.c | 650 | ||||
| -rw-r--r-- | libempathy/empathy-file.h | 85 | ||||
| -rw-r--r-- | libempathy/empathy-tp-file-priv.h | 56 | ||||
| -rw-r--r-- | libempathy/empathy-tp-file.c | 1032 | ||||
| -rw-r--r-- | libempathy/empathy-tp-file.h | 64 |
6 files changed, 1892 insertions, 0 deletions
diff --git a/libempathy/Makefile.am b/libempathy/Makefile.am index ac707df09..94ee1b103 100644 --- a/libempathy/Makefile.am +++ b/libempathy/Makefile.am @@ -25,6 +25,7 @@ libempathy_la_SOURCES = \ empathy-contact-manager.c \ empathy-debug.c \ empathy-dispatcher.c \ + empathy-file.c \ empathy-idle.c \ empathy-irc-network.c \ empathy-irc-network-manager.c \ @@ -37,6 +38,8 @@ libempathy_la_SOURCES = \ empathy-tp-chat.c \ empathy-tp-contact-factory.c \ empathy-tp-contact-list.c \ + empathy-tp-file.c \ + empathy-tp-file-priv.h \ empathy-tp-group.c \ empathy-tp-roomlist.c \ empathy-tp-tube.c \ @@ -65,6 +68,7 @@ libempathy_headers = \ empathy-contact-manager.h \ empathy-debug.h \ empathy-dispatcher.h \ + empathy-file.h \ empathy-idle.h \ empathy-irc-network.h \ empathy-irc-network-manager.h \ @@ -77,6 +81,7 @@ libempathy_headers = \ empathy-tp-chat.h \ empathy-tp-contact-factory.h \ empathy-tp-contact-list.h \ + empathy-tp-file.h \ empathy-tp-group.h \ empathy-tp-roomlist.h \ empathy-tp-tube.h \ diff --git a/libempathy/empathy-file.c b/libempathy/empathy-file.c new file mode 100644 index 000000000..dd4079005 --- /dev/null +++ b/libempathy/empathy-file.c @@ -0,0 +1,650 @@ +/* + * Copyright (C) 2007 Marco Barisione <marco@barisione.org> + * + * 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 + */ + +#include "config.h" + +#include "empathy-file.h" +#include "empathy-tp-file.h" +#include "empathy-tp-file-priv.h" +#include "empathy-utils.h" +#include "empathy-enum-types.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_FT +#include "empathy-debug.h" + +/** + * SECTION:empathy-file + * @short_description: Transfer files with contacts + * @see_also: #EmpathyTpFile, #EmpathyContact + * @include: libempthy/empathy-file.h + * + * The #EmpathyFile object represents a single file transfer. Usually file + * transfers are not created directly, but using empathy_tp_file_offer_file() + * or an utility function such as empathy_send_file(). + * For incoming file transfers you can get notified of their creation + * connecting to the "new-file-transfer" signal of #EmpathyTpFile. + */ + +/** + * EMPATHY_FILE_UNKNOWN_SIZE: + * + * Value used for the "size" property when the size of the transferred + * file is unknown. + */ + +/* Telepathy does not have file transfer objects, file transfers are identified + * just with an ID (valid only with the corresponding channel). + * So EmpathyFile is just a convenience class that contains only an EmpathyTpFile + * and an ID. Every actual function is delegated to the EmpathyTpFile. */ + +#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_FILE, EmpathyFilePriv)) + +typedef struct _EmpathyFilePriv EmpathyFilePriv; + +struct _EmpathyFilePriv +{ + EmpathyTpFile *tp_file; + guint id; +}; + +static void empathy_file_class_init (EmpathyFileClass *klass); +static void empathy_file_init (EmpathyFile *file); +static void file_finalize (GObject *object); +static void file_get_property (GObject *object, guint param_id, GValue *value, + GParamSpec *pspec); +static void file_set_property (GObject *object, guint param_id, + const GValue *value, GParamSpec *pspec); +static void file_set_tp_file (EmpathyFile *file, EmpathyTpFile *tp_file); + +enum +{ + PROP_0, + PROP_TP_FILE, + PROP_CONTACT, + PROP_INPUT_STREAM, + PROP_OUTPUT_STREAM, + PROP_FILENAME, + PROP_DIRECTION, + PROP_STATE, + PROP_SIZE, + PROP_TRANSFERRED_BYTES, + PROP_REMAINING_TIME, + PROP_STATE_CHANGE_REASON, +}; + +G_DEFINE_TYPE (EmpathyFile, empathy_file, G_TYPE_OBJECT); + +static void +empathy_file_class_init (EmpathyFileClass *klass) + { + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = file_finalize; + object_class->get_property = file_get_property; + object_class->set_property = file_set_property; + + g_object_class_install_property (object_class, + PROP_TP_FILE, + g_param_spec_object ("tp-file", + "EmpathyTpFile", + "The associated EmpathyTpFile", + EMPATHY_TYPE_TP_FILE, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, + PROP_CONTACT, + g_param_spec_object ("contact", + "EmpathyContact", + "The contact with whom we are transferring the file", + EMPATHY_TYPE_CONTACT, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_INPUT_STREAM, + g_param_spec_object ("input-stream", + "Input stream", + "The stream from which to read the data to send", + G_TYPE_INPUT_STREAM, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_OUTPUT_STREAM, + g_param_spec_object ("output-stream", + "Output stream", + "The stream to which to write the received file", + G_TYPE_OUTPUT_STREAM, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_FILENAME, + g_param_spec_string ("filename", + "File name", + "The file's name, for displaying", + NULL, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_DIRECTION, + g_param_spec_uint ("direction", + "Transfer direction", + "The direction of the file transfer", + 0, + G_MAXUINT, + G_MAXUINT, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_STATE, + g_param_spec_uint ("state", + "Transfer state", + "The file transfer state", + 0, + G_MAXUINT, + G_MAXUINT, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_SIZE, + g_param_spec_uint64 ("size", + "Size", + "The file size in bytes", + 0, + G_MAXUINT64, + EMPATHY_FILE_UNKNOWN_SIZE, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_TRANSFERRED_BYTES, + g_param_spec_uint64 ("transferred-bytes", + "Transferred bytes", + "The number of already transferred bytes", + 0, + G_MAXUINT64, + 0, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_REMAINING_TIME, + g_param_spec_int ("remaining-time", + "Remaining time", + "The estimated number of remaining seconds before completing the transfer", + -1, + G_MAXINT, + -1, + G_PARAM_READABLE)); + + g_object_class_install_property (object_class, + PROP_STATE_CHANGE_REASON, + g_param_spec_uint ("state-change-reason", + "State change reason", + "The reason why the file transfer changed state", + 0, + G_MAXUINT, + G_MAXUINT, + G_PARAM_READABLE)); + + g_type_class_add_private (object_class, sizeof (EmpathyFilePriv)); +} + +static void +empathy_file_init (EmpathyFile *file) +{ +} + +static void +file_finalize (GObject *object) +{ + EmpathyFilePriv *priv; + EmpathyTpFile *tp_file; + + priv = GET_PRIV (object); + tp_file = priv->tp_file; + + DEBUG ("finalize: %p", object); + + (G_OBJECT_CLASS (empathy_file_parent_class)->finalize) (object); + + if (tp_file) + g_object_unref (tp_file); +} + +static void +file_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + EmpathyFilePriv *priv; + + priv = GET_PRIV (object); + + switch (param_id) + { + case PROP_TP_FILE: + g_value_set_object (value, + empathy_file_get_tp_file (EMPATHY_FILE (object))); + break; + case PROP_CONTACT: + g_value_set_object (value, + empathy_file_get_contact (EMPATHY_FILE (object))); + break; + case PROP_INPUT_STREAM: + g_value_set_object (value, + empathy_file_get_input_stream (EMPATHY_FILE (object))); + break; + case PROP_OUTPUT_STREAM: + g_value_set_object (value, + empathy_file_get_output_stream (EMPATHY_FILE (object))); + break; + case PROP_FILENAME: + g_value_set_string (value, + empathy_file_get_filename (EMPATHY_FILE (object))); + break; + case PROP_DIRECTION: + g_value_set_uint (value, + empathy_file_get_direction (EMPATHY_FILE (object))); + break; + case PROP_STATE: + g_value_set_uint (value, + empathy_file_get_state (EMPATHY_FILE (object))); + break; + case PROP_SIZE: + g_value_set_uint64 (value, + empathy_file_get_size (EMPATHY_FILE (object))); + break; + case PROP_TRANSFERRED_BYTES: + g_value_set_uint64 (value, + empathy_file_get_transferred_bytes (EMPATHY_FILE (object))); + break; + case PROP_REMAINING_TIME: + g_value_set_int (value, + empathy_file_get_remaining_time (EMPATHY_FILE (object))); + break; + case PROP_STATE_CHANGE_REASON: + g_value_set_uint (value, + empathy_file_get_state_change_reason (EMPATHY_FILE (object))); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +file_set_property (GObject *object, guint param_id, const GValue *value, + GParamSpec *pspec) +{ + EmpathyFilePriv *priv; + + priv = GET_PRIV (object); + + switch (param_id) + { + case PROP_TP_FILE: + file_set_tp_file (EMPATHY_FILE (object), + g_value_get_object (value)); + break; + case PROP_INPUT_STREAM: + empathy_file_set_input_stream (EMPATHY_FILE (object), + g_value_get_object (value)); + break; + case PROP_OUTPUT_STREAM: + empathy_file_set_output_stream (EMPATHY_FILE (object), + g_value_get_object (value)); + break; + case PROP_FILENAME: + empathy_file_set_filename (EMPATHY_FILE (object), + g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + }; +} + +/** + * empathy_file_new: + * @tp_file: an EmpathyTpFile + * + * Returns a new #EmpathyFile object associated with #EmpathyTpFile. + * + * Returns: the associated #EmpathyFile + */ +EmpathyFile * +empathy_file_new (EmpathyTpFile *tp_file) +{ + return g_object_new (EMPATHY_TYPE_FILE, + "tp_file", tp_file, + NULL); +} + +/** + * empathy_file_get_tp_file: + * @file: an #EmpathyFile + * + * Returns the #EmpathyTpFile associated to this file transfer. + * + * Returns: the associated #EmpathyTpFile + */ +EmpathyTpFile * +empathy_file_get_tp_file (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), NULL); + + priv = GET_PRIV (file); + + return priv->tp_file; +} + +/** + * empathy_file_get_contact: + * @file: an #EmpathyFile + * + * Returns the contact representing the other participant to the file + * transfer. + * + * Returns: the other contact participating to the file transfer + */ +EmpathyContact * +empathy_file_get_contact (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), NULL); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_contact (priv->tp_file); +} + +/** + * empathy_file_get_input_stream: + * @file: an #EmpathyFile + * + * Returns the #GInputStream from which to read the data to send. + * + * Returns: a #GInputStream + */ +GInputStream * +empathy_file_get_input_stream (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), NULL); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_input_stream (priv->tp_file); +} + +/** + * empathy_file_get_output_stream: + * @file: an #EmpathyFile + * + * Returns the #GOutputStream to which to write the received file. + * + * Returns: a #GOutputStream + */ +GOutputStream * +empathy_file_get_output_stream (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), NULL); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_output_stream (priv->tp_file); +} + +/** + * empathy_file_get_filename: + * @file: an #EmpathyFile + * + * Returns the UTF-8 encoded file's friendly name without path, for + * displaying it to the user. + * + * Returns: the file name + */ +const gchar * +empathy_file_get_filename (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), NULL); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_filename (priv->tp_file); +} + +/** + * empathy_file_get_direction: + * @file: an #EmpathyFile + * + * Returns the direction of the file transfer, i.e. whether the transfer is + * incoming or outgoing. + * + * Returns: the direction of the file transfer + */ +EmpFileTransferDirection +empathy_file_get_direction (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), 0); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_direction (priv->tp_file); +} + +/** + * empathy_file_get_state: + * @file: an #EmpathyFile + * + * Returns the file transfer current state. + * + * Returns: the file transfer state + */ +EmpFileTransferState +empathy_file_get_state (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), + EMP_FILE_TRANSFER_STATE_CANCELED); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_state (priv->tp_file); +} + +/** + * empathy_file_get_state_change_reason: + * @file: an #EmpathyFile + * + * Returns the reason of the last file transfer state change. + * + * Returns: why the file transfer changed state + */ +EmpFileTransferStateChangeReason +empathy_file_get_state_change_reason (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), + EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_state_change_reason (priv->tp_file); +} + +/** + * empathy_file_get_size: + * @file: an #EmpathyFile + * + * Returns the file size in bytes or #EMPATHY_FILE_UNKNOWN_SIZE if the size is + * not known. + * + * Returns: the file size in bytes or #EMPATHY_FILE_UNKNOWN_SIZE + */ +guint64 +empathy_file_get_size (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), EMPATHY_FILE_UNKNOWN_SIZE); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_size (priv->tp_file); +} + +/** + * empathy_file_get_transferred_bytes: + * @file: an #EmpathyFile + * + * Returns the number of already transferred bytes. + * + * Returns: the number of transferred bytes + */ +guint64 +empathy_file_get_transferred_bytes (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), 0); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_transferred_bytes (priv->tp_file); +} + +/** + * empathy_file_get_remaining_time: + * @file: an #EmpathyFile + * + * Returns the estimated number of remaining seconds before completing the + * file transfer, or -1 if it cannot be estimated. + * + * Returns: the estimated number of remaining seconds or -1 + */ +gint +empathy_file_get_remaining_time (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_FILE (file), -1); + + priv = GET_PRIV (file); + return _empathy_tp_file_get_remaining_time (priv->tp_file); +} + +static void +file_set_tp_file (EmpathyFile *file, + EmpathyTpFile *tp_file) +{ + EmpathyFilePriv *priv; + + g_return_if_fail (EMPATHY_IS_FILE (file)); + g_return_if_fail (EMPATHY_IS_TP_FILE (tp_file)); + + priv = GET_PRIV (file); + + priv->tp_file = g_object_ref (tp_file); +} + +/** + * empathy_file_set_input_stream: + * @file: an #EmpathyFile + * @in_stream: the #GInputStream + * + * Sets the #GInputStream from which to read the data to send. + */ +void +empathy_file_set_input_stream (EmpathyFile *file, + GInputStream *in_stream) +{ + EmpathyFilePriv *priv; + + g_return_if_fail (EMPATHY_IS_FILE (file)); + + priv = GET_PRIV (file); + + _empathy_tp_file_set_input_stream (priv->tp_file, in_stream); +} + +/** + * empathy_file_set_output_stream: + * @file: an #EmpathyFile + * @out_stream: the #GOutputStream + * + * Sets the #GOutputStream to which to write the received file. + */ +void +empathy_file_set_output_stream (EmpathyFile *file, + GOutputStream *out_stream) +{ + EmpathyFilePriv *priv; + + g_return_if_fail (EMPATHY_IS_FILE (file)); + + priv = GET_PRIV (file); + + _empathy_tp_file_set_output_stream (priv->tp_file, out_stream); +} + +/** + * empathy_file_set_filename: + * @file: an #EmpathyFile + * @filename: the file name + * + * Sets the UTF-8 encoded file's friendly name without path, for + * displaying it to the user. + */ +void +empathy_file_set_filename (EmpathyFile *file, + const gchar *filename) +{ + EmpathyFilePriv *priv; + + g_return_if_fail (EMPATHY_IS_FILE (file)); + g_return_if_fail (filename != NULL); + + priv = GET_PRIV (file); + + _empathy_tp_file_set_filename (priv->tp_file, filename); +} + +/** + * empathy_file_accept: + * @file: an #EmpathyFile + * + * Accepts a file transfer that's in the "local pending" state (i.e. + * EMP_FILE_TRANSFER_STATE_LOCAL_PENDING). + */ +void +empathy_file_accept (EmpathyFile *file) +{ + EmpathyFilePriv *priv; + + g_return_if_fail (EMPATHY_IS_FILE (file)); + + priv = GET_PRIV (file); + +/* _empathy_tp_file_accept (priv->tp_file);*/ + if (priv) ; +} diff --git a/libempathy/empathy-file.h b/libempathy/empathy-file.h new file mode 100644 index 000000000..f805e87e6 --- /dev/null +++ b/libempathy/empathy-file.h @@ -0,0 +1,85 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2007 Marco Barisione <marco@barisione.org> + * + * 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 + */ + +#ifndef __EMPATHY_FILE_H__ +#define __EMPATHY_FILE_H__ + +#include <glib-object.h> + +#include <gio/gio.h> + +#include "empathy-contact.h" + +#include <extensions/extensions.h> + +/* Forward-declaration to resolve cyclic dependencies */ +typedef struct _EmpathyFile EmpathyFile; + +#include "empathy-tp-file.h" + +G_BEGIN_DECLS + +#define EMPATHY_FILE_UNKNOWN_SIZE G_MAXUINT64 + +#define EMPATHY_TYPE_FILE (empathy_file_get_type ()) +#define EMPATHY_FILE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_FILE, EmpathyFile)) +#define EMPATHY_FILE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), EMPATHY_TYPE_FILE, EmpathyFileClass)) +#define EMPATHY_IS_FILE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_FILE)) +#define EMPATHY_IS_FILE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_FILE)) +#define EMPATHY_FILE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EMPATHY_TYPE_FILE, EmpathyFileClass)) + +typedef struct _EmpathyFileClass EmpathyFileClass; + +struct _EmpathyFile { + GObject parent; +}; + +struct _EmpathyFileClass { + GObjectClass parent_class; +}; + +GType empathy_file_get_type (void) G_GNUC_CONST; + +void empathy_file_accept (EmpathyFile *file); +EmpathyFile * empathy_file_new (EmpathyTpFile *tp_file); + + +EmpathyTpFile * empathy_file_get_tp_file (EmpathyFile *file); +EmpathyContact * empathy_file_get_contact (EmpathyFile *file); +GInputStream * empathy_file_get_input_stream (EmpathyFile *file); +GOutputStream * empathy_file_get_output_stream (EmpathyFile *file); +const gchar * empathy_file_get_filename (EmpathyFile *file); +EmpFileTransferDirection empathy_file_get_direction (EmpathyFile *file); +EmpFileTransferState empathy_file_get_state (EmpathyFile *file); +EmpFileTransferStateChangeReason empathy_file_get_state_change_reason (EmpathyFile *file); +guint64 empathy_file_get_size (EmpathyFile *file); +guint64 empathy_file_get_transferred_bytes (EmpathyFile *file); +gint empathy_file_get_remaining_time (EmpathyFile *file); + +void empathy_file_set_input_stream (EmpathyFile *file, + GInputStream *in_stream); +void empathy_file_set_output_stream (EmpathyFile *file, + GOutputStream *out_stream); +void empathy_file_set_filename (EmpathyFile *file, + const gchar *filename); + +G_END_DECLS + +#endif /* __EMPATHY_FILE_H__ */ + diff --git a/libempathy/empathy-tp-file-priv.h b/libempathy/empathy-tp-file-priv.h new file mode 100644 index 000000000..8f1b215ef --- /dev/null +++ b/libempathy/empathy-tp-file-priv.h @@ -0,0 +1,56 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2007 Marco Barisione <marco@barisione.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __EMPATHY_TP_FILE_PRIV_H__ +#define __EMPATHY_TP_FILE_PRIV_H__ + +#include <glib.h> + +#include <gio/gio.h> + +#include "empathy-file.h" +#include "empathy-tp-file.h" + +#include <libmissioncontrol/mc-account.h> + +G_BEGIN_DECLS + +guint64 _empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file); +EmpathyContact * _empathy_tp_file_get_contact (EmpathyTpFile *tp_file); +GInputStream * _empathy_tp_file_get_input_stream (EmpathyTpFile *tp_file); +GOutputStream * _empathy_tp_file_get_output_stream (EmpathyTpFile *tp_file); +const gchar * _empathy_tp_file_get_filename (EmpathyTpFile *tp_file); +EmpFileTransferDirection _empathy_tp_file_get_direction (EmpathyTpFile *tp_file); +EmpFileTransferState _empathy_tp_file_get_state (EmpathyTpFile *tp_file); +EmpFileTransferStateChangeReason _empathy_tp_file_get_state_change_reason (EmpathyTpFile *tp_file); +guint64 _empathy_tp_file_get_size (EmpathyTpFile *tp_file); +guint64 _empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file); +gint _empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file); + +void _empathy_tp_file_set_input_stream (EmpathyTpFile *tp_file, + GInputStream *uri); +void _empathy_tp_file_set_output_stream (EmpathyTpFile *tp_file, + GOutputStream *uri); +void _empathy_tp_file_set_filename (EmpathyTpFile *tp_file, + const gchar *filename); + +G_END_DECLS + +#endif /* __EMPATHY_TP_FILE_PRIV_H__ */ diff --git a/libempathy/empathy-tp-file.c b/libempathy/empathy-tp-file.c new file mode 100644 index 000000000..0b99c03f4 --- /dev/null +++ b/libempathy/empathy-tp-file.c @@ -0,0 +1,1032 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2007 Collabora Ltd. + * @author: Xavier Claessens <xclaesse@gmail.com> + * Copyright (C) 2007 Marco Barisione <marco@barisione.org> + * + * 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 + */ + +#include <config.h> + +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <glib/gi18n.h> + +#include <gio/gio.h> +#include <gio/gunixinputstream.h> +#include <gio/gunixoutputstream.h> + +#include <libtelepathy/tp-conn.h> +#include <libtelepathy/tp-helpers.h> +#include <libtelepathy/tp-props-iface.h> + +#include <telepathy-glib/proxy-subclass.h> + +#include "empathy-tp-file.h" +#include "empathy-file.h" +#include "empathy-tp-file-priv.h" +#include "empathy-contact-factory.h" +#include "empathy-marshal.h" +#include "empathy-time.h" +#include "empathy-utils.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_FT +#include "empathy-debug.h" + +/** + * SECTION:empathy-tp-file + * @short_description: File channel + * @see_also: #EmpathyFile, #EmpathyContact, empathy_send_file() + * @include: libempthy/empathy-tp-file.h + * + * The #EmpathyTpFile object represents a Telepathy file channel. + */ + +static void empathy_tp_file_class_init (EmpathyTpFileClass *klass); +static void empathy_tp_file_init (EmpathyTpFile *tp_file); +static void tp_file_finalize (GObject *object); +static GObject * tp_file_constructor (GType type, + guint n_props, + GObjectConstructParam *props); +static void tp_file_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec); +static void tp_file_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec); +static void tp_file_destroy_cb (TpChannel *file_chan, + EmpathyTpFile *tp_file); +static void tp_file_closed_cb (TpChannel *file_chan, + EmpathyTpFile *tp_file, + GObject *weak_object); +static void tp_file_state_changed_cb (DBusGProxy *file_iface, + guint state, + guint reason, + EmpathyTpFile *tp_file); +static void tp_file_transferred_bytes_changed_cb (DBusGProxy *file_iface, + guint64 transferred_bytes, + EmpathyTpFile *tp_file); +static void copy_stream (GInputStream *in, + GOutputStream *out, + GCancellable *cancellable); + +/* EmpathyTpFile object */ + +#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \ + EMPATHY_TYPE_TP_FILE, EmpathyTpFilePriv)) + +typedef struct _EmpathyTpFilePriv EmpathyTpFilePriv; + +struct _EmpathyTpFilePriv { + EmpathyContactFactory *factory; + McAccount *account; + gchar *id; + MissionControl *mc; + + TpChannel *channel; + + /* Previously in File/FT struct */ + EmpathyFile *cached_empathy_file; + EmpathyContact *contact; + GInputStream *in_stream; + GOutputStream *out_stream; + gchar *filename; + EmpFileTransferDirection direction; + EmpFileTransferState state; + EmpFileTransferStateChangeReason state_change_reason; + guint64 size; + guint64 transferred_bytes; + gint64 start_time; + gchar *unix_socket_path; + gchar *content_md5; + gchar *content_type; + gchar *description; + GCancellable *cancellable; +}; + +enum { + PROP_0, + PROP_ACCOUNT, + PROP_CHANNEL, + PROP_STATE, + PROP_DIRECTION, + PROP_FILENAME, + PROP_SIZE, + PROP_CONTENT_TYPE, + PROP_CONTENT_MD5, + PROP_IN_STREAM, +}; + +G_DEFINE_TYPE (EmpathyTpFile, empathy_tp_file, G_TYPE_OBJECT); + +static void +empathy_tp_file_class_init (EmpathyTpFileClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = tp_file_finalize; + object_class->constructor = tp_file_constructor; + object_class->get_property = tp_file_get_property; + object_class->set_property = tp_file_set_property; + + /* Construct-only properties */ + g_object_class_install_property (object_class, + PROP_ACCOUNT, + g_param_spec_object ("account", + "channel Account", + "The account associated with the channel", + MC_TYPE_ACCOUNT, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, + PROP_CHANNEL, + g_param_spec_object ("channel", + "telepathy channel", + "The file transfer channel", + TP_TYPE_CHANNEL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, + PROP_STATE, + g_param_spec_uint ("state", + "state of the transfer", + "The file transfer state", + 0, + G_MAXUINT, + G_MAXUINT, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + + g_object_class_install_property (object_class, + PROP_DIRECTION, + g_param_spec_uint ("direction", + "direction of the transfer", + "The file transfer direction", + 0, + G_MAXUINT, + G_MAXUINT, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + + g_object_class_install_property (object_class, + PROP_FILENAME, + g_param_spec_string ("filename", + "name of the transfer", + "The file transfer filename", + "", + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_SIZE, + g_param_spec_uint64 ("size", + "size of the file", + "The file transfer size", + 0, + G_MAXUINT64, + G_MAXUINT64, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_CONTENT_TYPE, + g_param_spec_string ("content-type", + "file transfer content-type", + "The file transfer content-type", + "", + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_CONTENT_MD5, + g_param_spec_string ("content-md5", + "file transfer md5sum", + "The md5 sum of the transfer's contents", + "", + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_IN_STREAM, + g_param_spec_object ("in-stream", + "transfer input stream", + "The input stream for file transfer", + G_TYPE_INPUT_STREAM, + G_PARAM_READWRITE)); + + g_type_class_add_private (object_class, sizeof (EmpathyTpFilePriv)); +} + +static void +empathy_tp_file_init (EmpathyTpFile *tp_file) +{ +} + +static void +tp_file_finalize (GObject *object) +{ + EmpathyTpFilePriv *priv; + EmpathyTpFile *tp_file; + + tp_file = EMPATHY_TP_FILE (object); + priv = GET_PRIV (tp_file); + + if (priv->channel) + { + DEBUG ("Closing channel.."); + g_signal_handlers_disconnect_by_func (priv->channel, + tp_file_destroy_cb, object); + tp_cli_channel_run_close (priv->channel, -1, NULL, NULL); + g_object_unref (priv->channel); + } + + if (priv->factory) + { + g_object_unref (priv->factory); + } + if (priv->account) + { + g_object_unref (priv->account); + } + if (priv->mc) + { + g_object_unref (priv->mc); + } + + g_free (priv->id); + g_free (priv->filename); + g_free (priv->unix_socket_path); + g_free (priv->description); + g_free (priv->content_md5); + g_free (priv->content_type); + + if (priv->in_stream) + g_object_unref (priv->in_stream); + + if (priv->out_stream) + g_object_unref (priv->out_stream); + + if (priv->contact) + g_object_unref (priv->contact); + + if (priv->cancellable) + g_object_unref (priv->cancellable); + + G_OBJECT_CLASS (empathy_tp_file_parent_class)->finalize (object); +} + +static GObject * +tp_file_constructor (GType type, + guint n_props, + GObjectConstructParam *props) +{ + GObject *tp_file; + EmpathyTpFilePriv *priv; + GError *error = NULL; + GHashTable *properties; + + tp_file = G_OBJECT_CLASS (empathy_tp_file_parent_class)->constructor (type, n_props, props); + + priv = GET_PRIV (tp_file); + + priv->factory = empathy_contact_factory_new (); + priv->mc = empathy_mission_control_new (); + + tp_cli_channel_connect_to_closed (priv->channel, + (tp_cli_channel_signal_callback_closed) tp_file_closed_cb, + tp_file, + NULL, NULL, NULL); + + emp_cli_channel_type_file_connect_to_file_transfer_state_changed (TP_PROXY (priv->channel), + (emp_cli_channel_type_file_signal_callback_file_transfer_state_changed) tp_file_state_changed_cb, + tp_file, + NULL, NULL, NULL); + + emp_cli_channel_type_file_connect_to_transferred_bytes_changed (TP_PROXY (priv->channel), + (emp_cli_channel_type_file_signal_callback_transferred_bytes_changed) tp_file_transferred_bytes_changed_cb, + tp_file, + NULL, NULL, NULL); + + if (!tp_cli_dbus_properties_run_get_all (priv->channel, + -1, EMP_IFACE_CHANNEL_TYPE_FILE, &properties, &error, NULL)) + { + DEBUG ("Failed to get properties: %s", + error ? error->message : "No error given"); + g_clear_error (&error); + return NULL; + } + + priv->size = g_value_get_uint64 (g_hash_table_lookup (properties, "Size")); + + priv->state = g_value_get_uint (g_hash_table_lookup (properties, "State")); + + /* Invalid reason, so empathy_file_get_state_change_reason() can give + * a warning if called for a not closed file transfer. */ + priv->state_change_reason = -1; + + priv->transferred_bytes = g_value_get_uint64 (g_hash_table_lookup (properties, "TransferredBytes")); + + priv->filename = g_value_dup_string (g_hash_table_lookup (properties, "Filename")); + + priv->content_md5 = g_value_dup_string (g_hash_table_lookup (properties, "ContentMD5")); + + priv->description = g_value_dup_string (g_hash_table_lookup (properties, "Description")); + + priv->unix_socket_path = g_value_dup_string (g_hash_table_lookup (properties, "SocketPath")); + + priv->direction = g_value_get_uint (g_hash_table_lookup (properties, "Direction")); + + g_hash_table_destroy (properties); + + return tp_file; +} + +static void +tp_file_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + EmpathyTpFilePriv *priv; + EmpathyTpFile *tp_file; + + priv = GET_PRIV (object); + tp_file = EMPATHY_TP_FILE (object); + + switch (param_id) + { + case PROP_ACCOUNT: + g_value_set_object (value, priv->account); + break; + case PROP_CHANNEL: + g_value_set_object (value, priv->channel); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + }; +} + +static void +tp_file_channel_set_dbus_property (gpointer proxy, + const gchar *property, + const GValue *value) +{ + DEBUG ("Setting %s property", property); + tp_cli_dbus_properties_run_set (TP_PROXY (proxy), + -1, + EMP_IFACE_CHANNEL_TYPE_FILE, + property, + value, + NULL, + NULL); + DEBUG ("done"); +} + + +static void +tp_file_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (object); + + switch (param_id) + { + case PROP_ACCOUNT: + priv->account = g_object_ref (g_value_get_object (value)); + break; + case PROP_CHANNEL: + priv->channel = g_object_ref (g_value_get_object (value)); + break; + case PROP_STATE: + priv->state = g_value_get_uint (value); + break; + case PROP_DIRECTION: + priv->direction = g_value_get_uint (value); + break; + case PROP_FILENAME: + g_free (priv->filename); + priv->filename = g_value_dup_string (value); + tp_file_channel_set_dbus_property (priv->channel, "Filename", value); + break; + case PROP_SIZE: + priv->size = g_value_get_uint64 (value); + tp_file_channel_set_dbus_property (priv->channel, "Size", value); + break; + case PROP_CONTENT_TYPE: + tp_file_channel_set_dbus_property (priv->channel, "ContentType", value); + g_free (priv->content_type); + priv->content_type = g_value_dup_string (value); + break; + case PROP_CONTENT_MD5: + tp_file_channel_set_dbus_property (priv->channel, "ContentMD5", value); + g_free (priv->content_md5); + priv->content_md5 = g_value_dup_string (value); + break; + case PROP_IN_STREAM: + if (priv->in_stream) + g_object_unref (priv->in_stream); + priv->in_stream = g_object_ref (g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + }; +} + +/** + * empathy_tp_file_new: + * @account: the #McAccount for the channel + * @channel: a Telepathy channel + * + * Creates a new #EmpathyTpFile wrapping @channel. + * + * Returns: a new #EmpathyTpFile + */ +EmpathyTpFile * +empathy_tp_file_new (McAccount *account, + TpChannel *channel) +{ + return g_object_new (EMPATHY_TYPE_TP_FILE, + "account", account, + "channel", channel, + NULL); +} + +/** + * empathy_tp_file_get_id: + * @tp_file: an #EmpathyTpFile + * + * Returns the ID of @tp_file. + * + * Returns: the ID + */ +const gchar * +empathy_tp_file_get_id (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL); + + priv = GET_PRIV (tp_file); + + return priv->id; +} + +/** + * empathy_tp_file_get_channel + * @tp_file: an #EmpathyTpFile + * + * Returns the Telepathy file transfer channel + * + * Returns: the #TpChannel + */ +TpChannel * +empathy_tp_file_get_channel (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + g_return_val_if_fail (EMPATHY_IS_TP_FILE (tp_file), NULL); + + priv = GET_PRIV (tp_file); + + return priv->channel; +} + +static void +tp_file_destroy_cb (TpChannel *file_channel, EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + DEBUG ("Channel Closed or CM crashed"); + + g_object_unref (priv->channel); + priv->channel = NULL; +} + +static void +tp_file_closed_cb (TpChannel *file_channel, EmpathyTpFile *tp_file, GObject *weak_object) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + /* The channel is closed, do just like if the proxy was destroyed */ + g_signal_handlers_disconnect_by_func (priv->channel, + tp_file_destroy_cb, + tp_file); + tp_file_destroy_cb (file_channel, tp_file); +} + +static gint64 +get_time_msec (void) +{ + GTimeVal tv; + + g_get_current_time (&tv); + return ((gint64) tv.tv_sec) * 1000 + tv.tv_usec / 1000; +} + +static gint +_get_local_socket (EmpathyTpFile *tp_file) +{ + gint fd; + size_t path_len; + struct sockaddr_un addr; + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + if (priv->unix_socket_path == NULL) + return -1; + + fd = socket (PF_UNIX, SOCK_STREAM, 0); + if (fd < 0) + return -1; + + memset (&addr, 0, sizeof (addr)); + addr.sun_family = AF_UNIX; + path_len = strlen (priv->unix_socket_path); + strncpy (addr.sun_path, priv->unix_socket_path, path_len); + + if (connect (fd, (struct sockaddr*) &addr, + G_STRUCT_OFFSET (struct sockaddr_un, sun_path) + path_len) < 0) + { + close (fd); + return -1; + } + + return fd; +} + +static void +send_file (EmpathyTpFile *tp_file) +{ + gint socket_fd; + GOutputStream *socket_stream; + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + DEBUG ("Sending file content: filename=%s", + priv->filename); + + g_return_if_fail (priv->in_stream); + + socket_fd = _get_local_socket (tp_file); + if (socket_fd < 0) + { + DEBUG ("failed to get local socket fd"); + return; + } + DEBUG ("got local socket fd"); + socket_stream = g_unix_output_stream_new (socket_fd, TRUE); + + priv->cancellable = g_cancellable_new (); + + copy_stream (priv->in_stream, socket_stream, priv->cancellable); + + g_object_unref (socket_stream); +} + +static void +tp_file_state_changed_cb (DBusGProxy *file_iface, + EmpFileTransferState state, + EmpFileTransferStateChangeReason reason, + EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + DEBUG ("File transfer state changed: filename=%s, " + "old state=%u, state=%u, reason=%u", + priv->filename, priv->state, state, reason); + + if (state == EMP_FILE_TRANSFER_STATE_OPEN) + priv->start_time = get_time_msec (); + + DEBUG ("state = %u, direction = %u, in_stream = %s", + state, priv->direction, priv->in_stream ? "present" : "not present"); + + if (state == EMP_FILE_TRANSFER_STATE_OPEN && + priv->direction == EMP_FILE_TRANSFER_DIRECTION_OUTGOING && + priv->in_stream) + send_file (tp_file); + + priv->state = state; + priv->state_change_reason = reason; + + g_object_notify (G_OBJECT (tp_file), "state"); +} + +static void +tp_file_transferred_bytes_changed_cb (DBusGProxy *file_iface, + guint64 transferred_bytes, EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + if (priv->transferred_bytes == transferred_bytes) + return; + + priv->transferred_bytes = transferred_bytes; + + g_object_notify (G_OBJECT (tp_file), "transferred-bytes"); +} + +EmpathyContact * +_empathy_tp_file_get_contact (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->contact; +} + +GInputStream * +_empathy_tp_file_get_input_stream (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->in_stream; +} + +GOutputStream * +_empathy_tp_file_get_output_stream (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->out_stream; +} + +const gchar * +_empathy_tp_file_get_filename (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->filename; +} + +EmpFileTransferDirection +_empathy_tp_file_get_direction (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->direction; +} + +EmpFileTransferState +_empathy_tp_file_get_state (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->state; +} + +EmpFileTransferStateChangeReason +_empathy_tp_file_get_state_change_reason (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + g_return_val_if_fail (priv->state_change_reason >= 0, + EMP_FILE_TRANSFER_STATE_CHANGE_REASON_NONE); + + return priv->state_change_reason; +} + +guint64 +_empathy_tp_file_get_size (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->size; +} + +guint64 +_empathy_tp_file_get_transferred_bytes (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + return priv->transferred_bytes; +} + +gint +_empathy_tp_file_get_remaining_time (EmpathyTpFile *tp_file) +{ + EmpathyTpFilePriv *priv; + gint64 curr_time, elapsed_time; + gdouble time_per_byte; + gdouble remaining_time; + + priv = GET_PRIV (tp_file); + + if (priv->size == EMPATHY_FILE_UNKNOWN_SIZE) + return -1; + + if (priv->transferred_bytes == priv->size) + return 0; + + curr_time = get_time_msec (); + elapsed_time = curr_time - priv->start_time; + time_per_byte = (gdouble) elapsed_time / (gdouble) priv->transferred_bytes; + remaining_time = (time_per_byte * (priv->size - priv->transferred_bytes)) / 1000; + + return (gint) (remaining_time + 0.5); +} + +void +_empathy_tp_file_set_input_stream (EmpathyTpFile *tp_file, + GInputStream *in_stream) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + if (priv->in_stream == in_stream) + return; + + if (priv->direction == EMP_FILE_TRANSFER_DIRECTION_INCOMING) + g_warning ("Setting an input stream for incoming file " + "transfers is useless"); + + if (priv->in_stream) + g_object_unref (priv->in_stream); + if (in_stream) + g_object_ref (in_stream); + priv->in_stream = in_stream; + + g_object_notify (G_OBJECT (tp_file), "in-stream"); +} + +void +_empathy_tp_file_set_output_stream (EmpathyTpFile *tp_file, + GOutputStream *out_stream) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + if (priv->out_stream == out_stream) + return; + + if (priv->direction == EMP_FILE_TRANSFER_DIRECTION_OUTGOING) + g_warning ("Setting an output stream for outgoing file " + "transfers is useless"); + + if (priv->out_stream) + g_object_unref (priv->out_stream); + if (out_stream) + g_object_ref (out_stream); + priv->out_stream = out_stream; + + g_object_notify (G_OBJECT (tp_file), "output-stream"); +} + +void +_empathy_tp_file_set_filename (EmpathyTpFile *tp_file, + const gchar *filename) +{ + EmpathyTpFilePriv *priv; + + priv = GET_PRIV (tp_file); + + g_return_if_fail (filename != NULL); + + if (priv->filename && strcmp (filename, priv->filename) == 0) { + return; + } + + g_free (priv->filename); + priv->filename = g_strdup (filename); + + g_object_notify (G_OBJECT (tp_file), "filename"); +} + +/* Functions to copy the content of a GInputStream to a GOutputStream */ + +#define N_BUFFERS 2 +#define BUFFER_SIZE 4096 + +typedef struct { + GInputStream *in; + GOutputStream *out; + GCancellable *cancellable; + char *buff[N_BUFFERS]; /* the temporary buffers */ + gsize count[N_BUFFERS]; /* how many bytes are used in the buffers */ + gboolean is_full[N_BUFFERS]; /* whether the buffers contain data */ + gint curr_read; /* index of the buffer used for reading */ + gint curr_write; /* index of the buffer used for writing */ + gboolean is_reading; /* we are reading */ + gboolean is_writing; /* we are writing */ + guint n_closed; /* number of streams that have been closed */ +} CopyData; + +static void schedule_next (CopyData *copy); + +static void +free_copy_data_if_closed (CopyData *copy) +{ + gint i; + + /* Free the data only if both the input and output streams have + * been closed. */ + copy->n_closed++; + if (copy->n_closed < 2) + return; + + if (copy->in != NULL) + g_object_unref (copy->in); + + if (copy->out != NULL) + g_object_unref (copy->out); + + for (i = 0; i < N_BUFFERS; i++) + g_free (copy->buff[i]); + + g_object_unref (copy->cancellable); + g_free (copy); +} + +static void +io_error (CopyData *copy, GError *error) +{ + g_cancellable_cancel (copy->cancellable); + + if (error == NULL) + g_warning ("I/O error"); + else if (error->domain == G_IO_ERROR && error->code == G_IO_ERROR_CANCELLED) + ; /* Ignore cancellations */ + else + g_warning ("I/O error: %d: %s\n", error->code, error->message); + + if (copy->in != NULL) + g_input_stream_close (copy->in, NULL, NULL); + + if (copy->out != NULL) + g_output_stream_close (copy->out, NULL, NULL); + + free_copy_data_if_closed (copy); +} + +static void +close_done (GObject *source_object, GAsyncResult *res, gpointer user_data) +{ + CopyData *copy = user_data; + + g_object_unref (source_object); + free_copy_data_if_closed (copy); +} + +static void +write_done_cb (GObject *source_object, GAsyncResult *res, gpointer user_data) +{ + CopyData *copy = user_data; + gssize count_write; + GError *error = NULL; + + count_write = g_output_stream_write_finish (copy->out, res, &error); + + if (count_write <= 0) { + io_error (copy, error); + g_error_free (error); + return; + } + + copy->is_full[copy->curr_write] = FALSE; + copy->curr_write = (copy->curr_write + 1) % N_BUFFERS; + copy->is_writing = FALSE; + + schedule_next (copy); +} + +static void +read_done_cb (GObject *source_object, GAsyncResult *res, gpointer user_data) +{ + CopyData *copy = user_data; + gssize count_read; + GError *error = NULL; + + count_read = g_input_stream_read_finish (copy->in, res, &error); + + if (count_read == 0) { + g_input_stream_close_async (copy->in, 0, copy->cancellable, + close_done, copy); + copy->in = NULL; + } + else if (count_read < 0) { + io_error (copy, error); + g_error_free (error); + return; + } + + copy->count[copy->curr_read] = count_read; + copy->is_full[copy->curr_read] = TRUE; + copy->curr_read = (copy->curr_read + 1) % N_BUFFERS; + copy->is_reading = FALSE; + + schedule_next (copy); +} + +static void +schedule_next (CopyData *copy) +{ + if (copy->in != NULL && + !copy->is_reading && + !copy->is_full[copy->curr_read]) { + /* We are not reading and the current buffer is empty, so + * start an async read. */ + copy->is_reading = TRUE; + g_input_stream_read_async (copy->in, + copy->buff[copy->curr_read], + BUFFER_SIZE, 0, copy->cancellable, + read_done_cb, copy); + } + + if (!copy->is_writing && + copy->is_full[copy->curr_write]) { + if (copy->count[copy->curr_write] == 0) { + /* The last read on the buffer read 0 bytes, this + * means that we got an EOF, so we can close + * the output channel. */ + g_output_stream_close_async (copy->out, 0, + copy->cancellable, + close_done, copy); + copy->out = NULL; + } else { + /* We are not writing and the current buffer contains + * data, so start an async write. */ + copy->is_writing = TRUE; + g_output_stream_write_async (copy->out, + copy->buff[copy->curr_write], + copy->count[copy->curr_write], + 0, copy->cancellable, + write_done_cb, copy); + } + } +} + +static void +copy_stream (GInputStream *in, GOutputStream *out, GCancellable *cancellable) +{ + CopyData *copy; + gint i; + + g_return_if_fail (in != NULL); + g_return_if_fail (out != NULL); + + copy = g_new0 (CopyData, 1); + copy->in = g_object_ref (in); + copy->out = g_object_ref (out); + + if (cancellable != NULL) + copy->cancellable = g_object_ref (cancellable); + else + copy->cancellable = g_cancellable_new (); + + for (i = 0; i < N_BUFFERS; i++) + copy->buff[i] = g_malloc (BUFFER_SIZE); + + schedule_next (copy); +} diff --git a/libempathy/empathy-tp-file.h b/libempathy/empathy-tp-file.h new file mode 100644 index 000000000..38693aa79 --- /dev/null +++ b/libempathy/empathy-tp-file.h @@ -0,0 +1,64 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2007 Marco Barisione <marco@barisione.org> + * + * 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 + */ + +#ifndef __EMPATHY_TP_FILE_H__ +#define __EMPATHY_TP_FILE_H__ + +#include <glib.h> + +#include <telepathy-glib/channel.h> +#include <libtelepathy/tp-constants.h> + +#include "empathy-contact.h" + +#include <libmissioncontrol/mc-account.h> + +/* Forward-declaration to resolve cyclic dependencies */ +typedef struct _EmpathyTpFile EmpathyTpFile; + +#include "empathy-file.h" + +G_BEGIN_DECLS +#define EMPATHY_TYPE_TP_FILE (empathy_tp_file_get_type ()) +#define EMPATHY_TP_FILE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_TP_FILE, EmpathyTpFile)) +#define EMPATHY_TP_FILE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EMPATHY_TYPE_TP_FILE, EmpathyTpFileClass)) +#define EMPATHY_IS_TP_FILE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_TP_FILE)) +#define EMPATHY_IS_TP_FILE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_TP_FILE)) +#define EMPATHY_TP_FILE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EMPATHY_TYPE_TP_FILE, EmpathyTpFileClass)) + +typedef struct _EmpathyTpFileClass EmpathyTpFileClass; + +struct _EmpathyTpFile +{ + GObject parent; +}; + +struct _EmpathyTpFileClass +{ + GObjectClass parent_class; +}; + +GType empathy_tp_file_get_type (void) G_GNUC_CONST; +EmpathyTpFile *empathy_tp_file_new (McAccount *account, TpChannel *channel); +const gchar *empathy_tp_file_get_id (EmpathyTpFile *tp_file); +TpChannel *empathy_tp_file_get_channel (EmpathyTpFile *tp_file); + +G_END_DECLS + +#endif /* __EMPATHY_TP_FILE_H__ */ |