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/*
* Copyright (C) 2009,2011 Nokia Corporation.
* Copyright (C) 2006, 2007, 2008 OpenedHand Ltd.
*
* Author: Jens Georg <mail@jensge.org>
* Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
* Jorn Baayen <jorn@openedhand.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gupnp-simple-context-manager
* @short_description: Abstract implementation of basic #GUPnPContextManager.
*
*/
#include <config.h>
#include <errno.h>
#include <gio/gio.h>
#include <libgssdp/gssdp-error.h>
#include "gupnp-simple-context-manager.h"
#include "gupnp-context.h"
struct _GUPnPSimpleContextManagerPrivate {
GList *contexts; /* List of GUPnPContext instances */
GSource *idle_context_creation_src;
};
typedef struct _GUPnPSimpleContextManagerPrivate GUPnPSimpleContextManagerPrivate;
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GUPnPSimpleContextManager,
gupnp_simple_context_manager,
GUPNP_TYPE_CONTEXT_MANAGER)
static GList*
gupnp_simple_context_manager_get_interfaces (GUPnPSimpleContextManager *manager)
{
GUPnPSimpleContextManagerClass *object_class =
GUPNP_SIMPLE_CONTEXT_MANAGER_GET_CLASS (manager);
return object_class->get_interfaces (manager);
}
static void
create_and_signal_context (const char *interface,
GUPnPSimpleContextManager *manager)
{
GUPnPContext *context;
GUPnPSimpleContextManagerPrivate *priv;
guint port;
GError *error;
priv = gupnp_simple_context_manager_get_instance_private (manager);
g_object_get (manager,
"port", &port,
NULL);
error = NULL;
context = g_initable_new (GUPNP_TYPE_CONTEXT,
NULL,
&error,
"interface", interface,
"port", port,
NULL);
if (error != NULL) {
if (!(error->domain == GSSDP_ERROR &&
error->code == GSSDP_ERROR_NO_IP_ADDRESS))
g_warning
("Failed to create context for interface '%s': %s",
interface,
error->message);
g_error_free (error);
return;
}
g_signal_emit_by_name (manager,
"context-available",
context);
priv->contexts = g_list_append (priv->contexts,
context);
}
/*
* Create a context for all network interfaces that are up.
*/
static gboolean
create_contexts (gpointer data)
{
GUPnPSimpleContextManager *manager = (GUPnPSimpleContextManager *) data;
GList *ifaces;
GUPnPSimpleContextManagerPrivate *priv;
priv = gupnp_simple_context_manager_get_instance_private (manager);
priv->idle_context_creation_src = NULL;
if (priv->contexts != NULL)
return FALSE;
ifaces = gupnp_simple_context_manager_get_interfaces (manager);
while (ifaces) {
create_and_signal_context ((char *) ifaces->data, manager);
g_free (ifaces->data);
ifaces = g_list_delete_link (ifaces, ifaces);
}
return FALSE;
}
static void
destroy_contexts (GUPnPSimpleContextManager *manager)
{
GUPnPSimpleContextManagerPrivate *priv;
priv = gupnp_simple_context_manager_get_instance_private (manager);
while (priv->contexts) {
GUPnPContext *context;
context = GUPNP_CONTEXT (priv->contexts->data);
g_signal_emit_by_name (manager,
"context-unavailable",
context);
g_object_unref (context);
priv->contexts = g_list_delete_link (priv->contexts,
priv->contexts);
}
}
static void
schedule_contexts_creation (GUPnPSimpleContextManager *manager)
{
GUPnPSimpleContextManagerPrivate *priv;
priv = gupnp_simple_context_manager_get_instance_private (manager);
priv->idle_context_creation_src = NULL;
/* Create contexts in mainloop so that is happens after user has hooked
* to the "context-available" signal.
*/
priv->idle_context_creation_src = g_idle_source_new ();
g_source_attach (priv->idle_context_creation_src,
g_main_context_get_thread_default ());
g_source_set_callback (priv->idle_context_creation_src,
create_contexts,
manager,
NULL);
g_source_unref (priv->idle_context_creation_src);
}
static void
gupnp_simple_context_manager_init (GUPnPSimpleContextManager *manager)
{
}
static void
gupnp_simple_context_manager_constructed (GObject *object)
{
GObjectClass *parent_class;
GUPnPSimpleContextManager *manager;
manager = GUPNP_SIMPLE_CONTEXT_MANAGER (object);
schedule_contexts_creation (manager);
/* Chain-up */
parent_class = G_OBJECT_CLASS (gupnp_simple_context_manager_parent_class);
if (parent_class->constructed != NULL)
parent_class->constructed (object);
}
static void
gupnp_simple_context_manager_dispose (GObject *object)
{
GUPnPSimpleContextManager *manager;
GObjectClass *object_class;
GUPnPSimpleContextManagerPrivate *priv;
manager = GUPNP_SIMPLE_CONTEXT_MANAGER (object);
priv = gupnp_simple_context_manager_get_instance_private (manager);
destroy_contexts (manager);
if (priv->idle_context_creation_src) {
g_source_destroy (priv->idle_context_creation_src);
priv->idle_context_creation_src = NULL;
}
/* Call super */
object_class = G_OBJECT_CLASS (gupnp_simple_context_manager_parent_class);
object_class->dispose (object);
}
static void
gupnp_simple_context_manager_class_init (GUPnPSimpleContextManagerClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gupnp_simple_context_manager_constructed;
object_class->dispose = gupnp_simple_context_manager_dispose;
}
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