/**
* gssdp_resource_group_remove_resource:
* @resource_group: A #GSSDPResourceGroup
* @resource_id: The ID of the resource to remove
*
* Removes the resource with ID @resource_id from @resource_group.
**/
void
gssdp_resource_group_remove_resource (GSSDPResourceGroup *resource_group,
guint resource_id)
{
GSSDPResourceGroupPrivate *priv;
GList *l;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
g_return_if_fail (resource_id > 0);
priv = gssdp_resource_group_get_instance_private (resource_group);
for (l = priv->resources; l; l = l->next) {
Resource *resource;
resource = l->data;
if (resource->id == resource_id) {
priv->resources = g_list_remove (priv->resources,
resource);
resource_free (resource);
return;
}
}
}
/**
* gssdp_resource_group_get_available:
* @resource_group: A #GSSDPResourceGroup
*
* Return value: TRUE if @resource_group is available (advertised).
**/
gboolean
gssdp_resource_group_get_available (GSSDPResourceGroup *resource_group)
{
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), FALSE);
return resource_group->priv->available;
}
/**
* gssdp_resource_group_get_message_delay:
* @resource_group: A #GSSDPResourceGroup
*
* Return value: the minimum time between each SSDP message in ms.
**/
guint
gssdp_resource_group_get_message_delay (GSSDPResourceGroup *resource_group)
{
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), 0);
return resource_group->priv->message_delay;
}
/**
* gssdp_resource_group_get_client:
* @resource_group: A #GSSDPResourceGroup
*
* Returns: (transfer none): The #GSSDPClient @resource_group is associated with.
**/
GSSDPClient *
gssdp_resource_group_get_client (GSSDPResourceGroup *resource_group)
{
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), NULL);
return resource_group->priv->client;
}
/**
* gssdp_resource_group_remove_resource:
* @resource_group: An @GSSDPResourceGroup
* @resource_id: The ID of the resource to remove
*
* Removes the resource with ID @resource_id from @resource_group.
**/
void
gssdp_resource_group_remove_resource (GSSDPResourceGroup *resource_group,
guint resource_id)
{
GList *l;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
g_return_if_fail (resource_id > 0);
for (l = resource_group->priv->resources; l; l = l->next) {
Resource *resource;
resource = l->data;
if (resource->id == resource_id) {
resource_group->priv->resources =
g_list_remove (resource_group->priv->resources,
resource);
resource_free (resource);
return;
}
}
}
/**
* gssdp_resource_group_get_available:
* @resource_group: A #GSSDPResourceGroup
*
* Return value: TRUE if @resource_group is available (advertised).
**/
gboolean
gssdp_resource_group_get_available (GSSDPResourceGroup *resource_group)
{
GSSDPResourceGroupPrivate *priv;
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), FALSE);
priv = gssdp_resource_group_get_instance_private (resource_group);
return priv->available;
}
/**
* gssdp_resource_group_get_message_delay:
* @resource_group: A #GSSDPResourceGroup
*
* Return value: the minimum time between each SSDP message in ms.
**/
guint
gssdp_resource_group_get_message_delay (GSSDPResourceGroup *resource_group)
{
GSSDPResourceGroupPrivate *priv;
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), 0);
priv = gssdp_resource_group_get_instance_private (resource_group);
return priv->message_delay;
}
/**
* gssdp_resource_group_set_available:
* @resource_group: A #GSSDPResourceGroup
* @available: TRUE if @resource_group should be available (advertised)
*
* Sets @resource_group<!-- -->s availability to @available. Changing
* @resource_group<!-- -->s availability causes it to announce its new state
* to listening SSDP clients.
**/
void
gssdp_resource_group_set_available (GSSDPResourceGroup *resource_group,
gboolean available)
{
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
if (resource_group->priv->available == available)
return;
resource_group->priv->available = available;
if (available) {
int timeout;
/* We want to re-announce at least 3 times before the resource
* group expires to cope with the unrelialble nature of UDP.
*
* Read the paragraphs about 'CACHE-CONTROL' on pages 21-22 of
* UPnP Device Architecture Document v1.1 for further details.
* */
timeout = resource_group->priv->max_age;
if (G_LIKELY (timeout > 6))
timeout = (timeout / 3) - 1;
/* Add re-announcement timer */
resource_group->priv->timeout_src =
g_timeout_source_new_seconds (timeout);
g_source_set_callback (resource_group->priv->timeout_src,
resource_group_timeout,
resource_group, NULL);
g_source_attach (resource_group->priv->timeout_src,
g_main_context_get_thread_default ());
g_source_unref (resource_group->priv->timeout_src);
/* Make sure initial byebyes are sent grouped before initial
* alives */
send_announcement_set (resource_group->priv->resources,
(GFunc) send_initial_resource_byebye);
send_announcement_set (resource_group->priv->resources,
(GFunc) resource_alive);
} else {
/* Unannounce all resources */
send_announcement_set (resource_group->priv->resources,
(GFunc) resource_byebye);
/* Remove re-announcement timer */
g_source_destroy (resource_group->priv->timeout_src);
resource_group->priv->timeout_src = NULL;
}
g_object_notify (G_OBJECT (resource_group), "available");
}
/**
* gssdp_resource_group_get_client:
* @resource_group: A #GSSDPResourceGroup
*
* Returns: (transfer none): The #GSSDPClient @resource_group is associated with.
**/
GSSDPClient *
gssdp_resource_group_get_client (GSSDPResourceGroup *resource_group)
{
GSSDPResourceGroupPrivate *priv;
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), NULL);
priv = gssdp_resource_group_get_instance_private (resource_group);
return priv->client;
}
/**
* gssdp_resource_group_set_message_delay:
* @resource_group: A #GSSDPResourceGroup
* @message_delay: The message delay in ms.
*
* Sets the minimum time between each SSDP message.
**/
void
gssdp_resource_group_set_message_delay (GSSDPResourceGroup *resource_group,
guint message_delay)
{
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
if (resource_group->priv->message_delay == message_delay)
return;
resource_group->priv->message_delay = message_delay;
g_object_notify (G_OBJECT (resource_group), "message-delay");
}
/**
* gssdp_resource_group_set_max_age:
* @resource_group: A #GSSDPResourceGroup
* @max_age: The number of seconds advertisements are valid
*
* Sets the number of seconds advertisements are valid to @max_age.
**/
void
gssdp_resource_group_set_max_age (GSSDPResourceGroup *resource_group,
guint max_age)
{
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
if (resource_group->priv->max_age == max_age)
return;
resource_group->priv->max_age = max_age;
g_object_notify (G_OBJECT (resource_group), "max-age");
}
/**
* gssdp_resource_group_set_message_delay:
* @resource_group: A #GSSDPResourceGroup
* @message_delay: The message delay in ms.
*
* Sets the minimum time between each SSDP message.
**/
void
gssdp_resource_group_set_message_delay (GSSDPResourceGroup *resource_group,
guint message_delay)
{
GSSDPResourceGroupPrivate *priv;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
priv = gssdp_resource_group_get_instance_private (resource_group);
if (priv->message_delay == message_delay)
return;
priv->message_delay = message_delay;
g_object_notify (G_OBJECT (resource_group), "message-delay");
}
/**
* gssdp_resource_group_set_max_age:
* @resource_group: A #GSSDPResourceGroup
* @max_age: The number of seconds advertisements are valid
*
* Sets the number of seconds advertisements are valid to @max_age.
**/
void
gssdp_resource_group_set_max_age (GSSDPResourceGroup *resource_group,
guint max_age)
{
GSSDPResourceGroupPrivate *priv;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
priv = gssdp_resource_group_get_instance_private (resource_group);
if (priv->max_age == max_age)
return;
priv->max_age = max_age;
g_object_notify (G_OBJECT (resource_group), "max-age");
}
/*
* Sets the #GSSDPClient @resource_group is associated with @client
*/
static void
gssdp_resource_group_set_client (GSSDPResourceGroup *resource_group,
GSSDPClient *client)
{
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
g_return_if_fail (GSSDP_IS_CLIENT (client));
resource_group->priv->client = g_object_ref (client);
resource_group->priv->message_received_id =
g_signal_connect_object (resource_group->priv->client,
"message-received",
G_CALLBACK (message_received_cb),
resource_group,
0);
g_object_notify (G_OBJECT (resource_group), "client");
}
/**
* gssdp_resource_group_set_available:
* @resource_group: A #GSSDPResourceGroup
* @available: %TRUE if @resource_group should be available (advertised)
*
* Sets @resource_group<!-- -->s availability to @available. Changing
* @resource_group<!-- -->s availability causes it to announce its new state
* to listening SSDP clients.
**/
void
gssdp_resource_group_set_available (GSSDPResourceGroup *resource_group,
gboolean available)
{
GSSDPResourceGroupPrivate *priv;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group));
priv = gssdp_resource_group_get_instance_private (resource_group);
if (priv->available == available)
return;
priv->available = available;
if (available) {
setup_reannouncement_timeout (resource_group);
/* Make sure initial byebyes are sent grouped before initial
* alives */
send_announcement_set (priv->resources,
(GFunc) send_initial_resource_byebye,
NULL);
send_announcement_set (priv->resources,
(GFunc) resource_alive,
NULL);
} else {
/* Unannounce all resources */
send_announcement_set (priv->resources,
(GFunc) resource_byebye,
NULL);
/* Remove re-announcement timer */
g_source_destroy (priv->timeout_src);
priv->timeout_src = NULL;
}
g_object_notify (G_OBJECT (resource_group), "available");
}
/**
* gssdp_resource_group_update:
* @resource_group: A #GSSDPResourceGroup
* @new_boot_id: The new boot id of the device
*
* Send an ssdp::update message if the underlying #GSSDPClient is running
* the UDA 1.1 protocol. Does nothing otherwise.
*/
void
gssdp_resource_group_update (GSSDPResourceGroup *self,
guint next_boot_id)
{
GSSDPUDAVersion version;
GSSDPResourceGroupPrivate *priv;
g_return_if_fail (GSSDP_IS_RESOURCE_GROUP (self));
g_return_if_fail (next_boot_id <= G_MAXINT32);
priv = gssdp_resource_group_get_instance_private (self);
version = gssdp_client_get_uda_version (priv->client);
if (version == GSSDP_UDA_VERSION_1_0)
return;
if (!priv->available) {
gssdp_client_set_boot_id (priv->client, next_boot_id);
return;
}
/* Disable timeout */
g_clear_pointer (&priv->timeout_src, g_source_destroy);
send_announcement_set (priv->resources, (GFunc) resource_update, GUINT_TO_POINTER (next_boot_id));
/* FIXME: This causes only the first of the three update messages to be correct. The other two will
* have the new boot id as and boot id as the same value
*/
gssdp_client_set_boot_id (priv->client, next_boot_id);
setup_reannouncement_timeout (self);
send_announcement_set (priv->resources, (GFunc) resource_alive, NULL);
}
/**
* gssdp_resource_group_add_resource:
* @resource_group: An @GSSDPResourceGroup
* @target: The resource's target
* @usn: The resource's USN
* @locations: (element-type utf8): A #GList of the resource's locations
*
* Adds a resource with target @target, USN @usn, and locations @locations
* to @resource_group.
*
* Return value: The ID of the added resource.
**/
guint
gssdp_resource_group_add_resource (GSSDPResourceGroup *resource_group,
const char *target,
const char *usn,
GList *locations)
{
LOGD("gssdp_resource_group_add_resource");
LOGD("gssdp_resource_group_add_resource");
LOGD("gssdp_resource_group_add_resource");
Resource *resource;
GList *l;
GError *error;
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), 0);
g_return_val_if_fail (target != NULL, 0);
g_return_val_if_fail (usn != NULL, 0);
g_return_val_if_fail (locations != NULL, 0);
resource = g_slice_new0 (Resource);
resource->resource_group = resource_group;
resource->target = g_strdup (target);
resource->usn = g_strdup (usn);
error = NULL;
resource->target_regex = create_target_regex (target, &resource->version, &error);
if (error) {
LOGD("Error compiling regular expression for '%s': %s", target, error->message);
LOGD("Error compiling regular expression for '%s': %s", target, error->message);
LOGD("Error compiling regular expression for '%s': %s", target, error->message);
g_warning ("Error compiling regular expression for '%s': %s",
target,
error->message);
g_error_free (error);
resource_free (resource);
return 0;
}
resource->initial_byebye_sent = FALSE;
for (l = locations; l; l = l->next) {
resource->locations = g_list_append (resource->locations,
g_strdup (l->data));
}
resource_group->priv->resources =
g_list_prepend (resource_group->priv->resources, resource);
resource->id = ++resource_group->priv->last_resource_id;
if (resource_group->priv->available)
resource_alive (resource);
LOGD("g_list_prepend");
LOGD("g_list_prepend");
LOGD("g_list_prepend");
return resource->id;
}
/**
* gssdp_resource_group_add_resource:
* @resource_group: A #GSSDPResourceGroup
* @target: The resource's target
* @usn: The resource's USN
* @locations: (element-type utf8): A #GList of the resource's locations
*
* Adds a resource with target @target, USN @usn, and locations @locations
* to @resource_group.
*
* Return value: The ID of the added resource.
**/
guint
gssdp_resource_group_add_resource (GSSDPResourceGroup *resource_group,
const char *target,
const char *usn,
GList *locations)
{
GSSDPResourceGroupPrivate *priv = NULL;
Resource *resource = NULL;
GError *error = NULL;
g_return_val_if_fail (GSSDP_IS_RESOURCE_GROUP (resource_group), 0);
g_return_val_if_fail (target != NULL, 0);
g_return_val_if_fail (usn != NULL, 0);
g_return_val_if_fail (locations != NULL, 0);
priv = gssdp_resource_group_get_instance_private (resource_group);
resource = g_slice_new0 (Resource);
resource->resource_group = resource_group;
resource->target = g_strdup (target);
resource->usn = g_strdup (usn);
resource->target_regex = create_target_regex (target,
&resource->version,
&error);
if (error) {
g_warning ("Error compiling regular expression for '%s': %s",
target,
error->message);
g_error_free (error);
resource_free (resource);
return 0;
}
resource->initial_byebye_sent = FALSE;
resource->locations = g_list_copy_deep (locations, (GCopyFunc) g_strdup, NULL);
priv->resources = g_list_prepend (priv->resources, resource);
resource->id = ++priv->last_resource_id;
if (priv->available)
resource_alive (resource);
return resource->id;
}
