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author | Jonny Lamb <jonny.lamb@collabora.co.uk> | 2008-11-22 00:14:29 +0800 |
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committer | Xavier Claessens <xclaesse@src.gnome.org> | 2008-11-22 00:14:29 +0800 |
commit | 2536537dd891f81ce5aab2e8b7fc2f33a7d54c77 (patch) | |
tree | a58ff629f68f8322be2d24cf39c5f385a08ec553 /libempathy/empathy-tp-file.c | |
parent | 1ff7c439e8442d51024fbfcde2b1c11b8b17cf4f (diff) | |
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Removed EmpathyTpFile and put everything into EmpathyFile. (Jonny Lamb)
Signed-off-by: Jonny Lamb <jonny.lamb@collabora.co.uk>
svn path=/trunk/; revision=1748
Diffstat (limited to 'libempathy/empathy-tp-file.c')
-rw-r--r-- | libempathy/empathy-tp-file.c | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/libempathy/empathy-tp-file.c b/libempathy/empathy-tp-file.c deleted file mode 100644 index ca7412bc2..000000000 --- a/libempathy/empathy-tp-file.c +++ /dev/null @@ -1,1040 +0,0 @@ -/* -*- 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); - if (G_IS_OBJECT (priv->channel)) - 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; - TpHandle handle; - - 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); - - - handle = tp_channel_get_handle (priv->channel, NULL); - priv->contact = empathy_contact_factory_get_from_handle (priv->factory, - priv->account, - (guint) handle); - - 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); -} |