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/*
* session.c - Source for TfSession
* Copyright (C) 2006-2007 Collabora Ltd.
* Copyright (C) 2006-2007 Nokia Corporation
*
* 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 "session-priv.h"
#include <farstream/fs-conference.h>
G_DEFINE_TYPE (TfSession, _tf_session, G_TYPE_OBJECT);
struct _TfSessionPrivate
{
GError *construction_error;
gchar *session_type;
FsConference *fs_conference;
FsParticipant *fs_participant;
TpMediaSessionHandler *session_handler_proxy;
};
enum
{
PROP_PROXY = 1,
PROP_SESSION_TYPE,
PROP_FARSTREAM_CONFERENCE,
PROP_FARSTREAM_PARTICIPANT,
};
enum
{
NEW_STREAM,
INVALIDATED,
SIGNAL_COUNT
};
static guint signals[SIGNAL_COUNT] = { 0 };
static void
_tf_session_init (TfSession *self)
{
TfSessionPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
TF_TYPE_SESSION, TfSessionPrivate);
self->priv = priv;
}
static void
_tf_session_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
TfSession *self = TF_SESSION (object);
switch (property_id)
{
case PROP_SESSION_TYPE:
g_value_set_string (value, self->priv->session_type);
break;
case PROP_FARSTREAM_CONFERENCE:
g_value_set_object (value, self->priv->fs_conference);
break;
case PROP_FARSTREAM_PARTICIPANT:
g_value_set_object (value, self->priv->fs_participant);
break;
case PROP_PROXY:
g_value_set_object (value, self->priv->session_handler_proxy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
_tf_session_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
TfSession *self = TF_SESSION (object);
switch (property_id)
{
case PROP_SESSION_TYPE:
self->priv->session_type = g_value_dup_string (value);
break;
case PROP_PROXY:
self->priv->session_handler_proxy =
TP_MEDIA_SESSION_HANDLER (g_value_dup_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void new_media_stream_handler (TpMediaSessionHandler *proxy,
const gchar *stream_handler_path, guint id, guint media_type,
guint direction, gpointer user_data, GObject *object);
static void dummy_callback (TpMediaSessionHandler *proxy, const GError *error,
gpointer user_data, GObject *object);
static void invalidated_cb (TpMediaSessionHandler *proxy, guint domain,
gint code, gchar *message, gpointer user_data);
static GObject *
_tf_session_constructor (GType type,
guint n_props,
GObjectConstructParam *props)
{
GObject *obj;
TfSession *self;
gchar *conftype;
GstElement *conf;
obj = G_OBJECT_CLASS (_tf_session_parent_class)->
constructor (type, n_props, props);
self = (TfSession *) obj;
conftype = g_strdup_printf ("fs%sconference", self->priv->session_type);
conf = gst_element_factory_make (conftype, NULL);
g_free (conftype);
if (!conf)
{
self->priv->construction_error = g_error_new (FS_ERROR,
FS_ERROR_CONSTRUCTION, "Invalid session type");
return obj;
}
self->priv->fs_conference = FS_CONFERENCE (gst_object_ref (conf));
self->priv->fs_participant =
fs_conference_new_participant (self->priv->fs_conference,
&self->priv->construction_error);
if (!self->priv->fs_participant)
return obj;
g_signal_connect (self->priv->session_handler_proxy, "invalidated",
G_CALLBACK (invalidated_cb), obj);
tp_cli_media_session_handler_connect_to_new_stream_handler
(self->priv->session_handler_proxy, new_media_stream_handler, NULL, NULL,
obj, NULL);
g_debug ("calling MediaSessionHandler::Ready");
tp_cli_media_session_handler_call_ready (self->priv->session_handler_proxy,
-1, dummy_callback, "Media.SessionHandler::Ready", NULL, NULL);
return obj;
}
static void
_tf_session_dispose (GObject *object)
{
TfSession *self = TF_SESSION (object);
g_debug (G_STRFUNC);
if (self->priv->session_handler_proxy)
{
TpMediaSessionHandler *tmp;
g_signal_handlers_disconnect_by_func (
self->priv->session_handler_proxy, invalidated_cb, self);
tmp = self->priv->session_handler_proxy;
self->priv->session_handler_proxy = NULL;
g_object_unref (tmp);
}
if (self->priv->fs_participant)
{
g_object_unref (self->priv->fs_participant);
self->priv->fs_participant = NULL;
}
if (self->priv->fs_conference)
{
gst_object_unref (self->priv->fs_conference);
self->priv->fs_conference = NULL;
}
g_free (self->priv->session_type);
self->priv->session_type = NULL;
if (G_OBJECT_CLASS (_tf_session_parent_class)->dispose)
G_OBJECT_CLASS (_tf_session_parent_class)->dispose (object);
}
static void
_tf_session_class_init (TfSessionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (TfSessionPrivate));
object_class->set_property = _tf_session_set_property;
object_class->get_property = _tf_session_get_property;
object_class->constructor = _tf_session_constructor;
object_class->dispose = _tf_session_dispose;
g_object_class_install_property (object_class, PROP_SESSION_TYPE,
g_param_spec_string ("conference-type",
"Farstream conference type",
"Name of the Farstream conference type this "
"session will create (rtp, msn, etc).",
NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_FARSTREAM_CONFERENCE,
g_param_spec_object ("farstream-conference",
"Farstream conference",
"The Farstream conference to add to the pipeline",
FS_TYPE_CONFERENCE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_FARSTREAM_PARTICIPANT,
g_param_spec_object ("farstream-participant",
"Farstream participant",
"The Farstream participant for this session",
FS_TYPE_PARTICIPANT,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_PROXY,
g_param_spec_object ("proxy", "TpMediaSessionHandler proxy",
"The session handler proxy which this session interacts with.",
TP_TYPE_MEDIA_SESSION_HANDLER,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* TfSession::new-stream:
* @session: the #TfSession which has a new stream
* @object_path: The object-path of the new stream
* @stream_id: The stream id of the new strema
* @media_type: The media type of the new stream
* @direction: The direction of the new stream
*
* This is emitted when a new stream is created and should only be used
* by the #TfChannel.
* One should connect to the #TfChannel::channel-new-stream signal
* instead.
*/
signals[NEW_STREAM] =
g_signal_new ("new-stream",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 4,
DBUS_TYPE_G_OBJECT_PATH, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT);
signals[INVALIDATED] =
g_signal_new ("invalidated",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
/* dummy callback handler for async calling calls with no return values */
static void
dummy_callback (TpMediaSessionHandler *proxy G_GNUC_UNUSED,
const GError *error,
gpointer user_data,
GObject *weak_object G_GNUC_UNUSED)
{
if (error != NULL)
{
g_warning ("Error calling %s: %s", (gchar *) user_data, error->message);
}
}
static void
invalidated_cb (TpMediaSessionHandler *proxy G_GNUC_UNUSED,
guint domain G_GNUC_UNUSED,
gint code G_GNUC_UNUSED,
gchar *message G_GNUC_UNUSED,
gpointer user_data)
{
TfSession *self = TF_SESSION (user_data);
if (self->priv->session_handler_proxy)
{
TpMediaSessionHandler *tmp;
tmp = self->priv->session_handler_proxy;
self->priv->session_handler_proxy = NULL;
g_object_unref (tmp);
}
g_signal_emit (self, signals[INVALIDATED], 0);
}
static void
new_media_stream_handler (TpMediaSessionHandler *proxy G_GNUC_UNUSED,
const gchar *object_path,
guint stream_id,
guint media_type,
guint direction,
gpointer user_data G_GNUC_UNUSED,
GObject *object)
{
TfSession *self = TF_SESSION (object);
g_debug ("New stream, stream_id=%d, media_type=%d, direction=%d",
stream_id, media_type, direction);
g_signal_emit (self, signals[NEW_STREAM], 0, object_path, stream_id,
media_type, direction);
}
TfSession *
_tf_session_new (TpMediaSessionHandler *proxy,
const gchar *conference_type,
GError **error)
{
TfSession *self;
g_return_val_if_fail (proxy != NULL, NULL);
g_return_val_if_fail (conference_type != NULL, NULL);
self = g_object_new (TF_TYPE_SESSION,
"proxy", proxy,
"conference-type", conference_type,
NULL);
if (self->priv->construction_error)
{
g_propagate_error (error, self->priv->construction_error);
g_object_unref (self);
return NULL;
}
return self;
}
/**
* _tf_session_bus_message:
* @session: A #TfSession
* @message: A #GstMessage received from the bus
*
* You must call this function on call messages received on the async bus.
* #GstMessages are not modified.
*
* Returns: %TRUE if the message has been handled, %FALSE otherwise
*/
gboolean
_tf_session_bus_message (TfSession *session,
GstMessage *message)
{
GError *error = NULL;
gchar *debug = NULL;
if (GST_MESSAGE_SRC (message) !=
GST_OBJECT_CAST (session->priv->fs_conference))
return FALSE;
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_WARNING:
gst_message_parse_warning (message, &error, &debug);
g_warning ("session: %s (%s)", error->message, debug);
g_error_free (error);
g_free (debug);
return TRUE;
case GST_MESSAGE_ERROR:
gst_message_parse_error (message, &error, &debug);
g_warning ("session ERROR: %s (%s)", error->message, debug);
tp_cli_media_session_handler_call_error (
session->priv->session_handler_proxy,
-1, 0, /* Not errors defined ??? */
error->message, NULL, /* Do I need a callback ? */
NULL, NULL, NULL);
g_error_free (error);
g_free (debug);
return TRUE;
case GST_MESSAGE_ELEMENT:
{
const GstStructure *s = gst_message_get_structure (message);
if (gst_structure_has_name (s, "farstream-error"))
{
GObject *object;
const GValue *value = NULL;
value = gst_structure_get_value (s, "src-object");
object = g_value_get_object (value);
if (object == G_OBJECT (session->priv->fs_participant))
{
const gchar *msg;
FsError errorno;
GEnumClass *enumclass;
GEnumValue *enumvalue;
value = gst_structure_get_value (s, "error-no");
errorno = g_value_get_enum (value);
msg = gst_structure_get_string (s, "error-msg");
enumclass = g_type_class_ref (FS_TYPE_ERROR);
enumvalue = g_enum_get_value (enumclass, errorno);
g_warning ("participant error (%s (%d)): %s",
enumvalue->value_nick, errorno, msg);
g_type_class_unref (enumclass);
tp_cli_media_session_handler_call_error (
session->priv->session_handler_proxy,
-1, 0, msg, NULL, NULL, NULL, NULL);
return TRUE;
}
}
}
default:
return FALSE;
}
}
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