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/*
* conn-power-saving.c - Header for Gabble connection code handling power saving
* Copyright (C) 2010 Collabora Ltd.
* Copyright (C) 2010 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 "conn-power-saving.h"
#define DEBUG_FLAG GABBLE_DEBUG_CONNECTION
#include "debug.h"
#include "namespaces.h"
#include "util.h"
#include "conn-util.h"
#include <wocky/wocky.h>
enum
{
PROP_POWER_SAVING_ACTIVE,
NUM_OF_PROP,
};
typedef struct {
DBusGMethodInvocation *dbus_context;
gboolean enabling;
} ToggleQueueingContext;
static void
google_queueing_send_command (
GabbleConnection *conn,
const gchar *command,
GAsyncReadyCallback callback,
gpointer user_data)
{
WockyStanza *stanza = wocky_stanza_build (WOCKY_STANZA_TYPE_IQ,
WOCKY_STANZA_SUB_TYPE_SET, NULL, NULL,
'(', "query",
':', NS_GOOGLE_QUEUE,
'(', command, ')',
')',
NULL);
conn_util_send_iq_async (conn, stanza, NULL, callback, user_data);
g_object_unref (stanza);
}
static void
maybe_emit_power_saving_changed (GabbleConnection *self,
gboolean enabling)
{
gboolean enabled;
g_object_get (self, "power-saving", &enabled, NULL);
if (enabling != enabled)
{
g_object_set (self, "power-saving", enabling, NULL);
tp_svc_connection_interface_power_saving_emit_power_saving_changed (
self, enabling);
}
}
static void
toggle_google_queueing_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GabbleConnection *self = GABBLE_CONNECTION (source_object);
ToggleQueueingContext *queueing_context = (ToggleQueueingContext *) user_data;
GError *error = NULL;
gboolean enabling;
enabling = queueing_context->enabling;
if (!conn_util_send_iq_finish (self, res, NULL, &error))
{
DEBUG ("Failed to %sable queueing: %s",
enabling ? "en" : "dis", error->message);
enabling = FALSE;
dbus_g_method_return_error (queueing_context->dbus_context, error);
g_error_free (error);
}
else
{
DEBUG ("%sabled queueing", enabling ? "en" : "dis");
tp_svc_connection_interface_power_saving_return_from_set_power_saving (
queueing_context->dbus_context);
if (!enabling)
google_queueing_send_command (self, "flush", NULL, NULL);
}
maybe_emit_power_saving_changed (self, enabling);
g_slice_free (ToggleQueueingContext, queueing_context);
}
static void
conn_power_saving_set_power_saving (
TpSvcConnectionInterfacePowerSaving *conn,
gboolean enable,
DBusGMethodInvocation *context)
{
GabbleConnection *self = GABBLE_CONNECTION (conn);
TpBaseConnection *base = TP_BASE_CONNECTION (self);
gboolean enabled;
TP_BASE_CONNECTION_ERROR_IF_NOT_CONNECTED (base, context);
g_object_get (G_OBJECT (self), "power-saving", &enabled, NULL);
if (enable == enabled)
{
/* no-op */
tp_svc_connection_interface_power_saving_return_from_set_power_saving (
context);
return;
}
DEBUG ("%sabling presence queueing", enable ? "en" : "dis");
/* google:queue is loosely described here:
* <http://mail.jabber.org/pipermail/summit/2010-February/000528.html>. Since
* April 2011, it is advertised as a stream feature by the Google Talk
* server; the development version of M-Link, and possibly other servers,
* also implement the protocol and advertise this stream feature. */
if (self->features & GABBLE_CONNECTION_FEATURES_GOOGLE_QUEUE)
{
ToggleQueueingContext *queueing_context;
queueing_context = g_slice_new0 (ToggleQueueingContext);
queueing_context->enabling = enable;
queueing_context->dbus_context = context;
google_queueing_send_command (self, enable ? "enable" : "disable",
toggle_google_queueing_cb, queueing_context);
}
else
{
/* If the server doesn't support any method of queueing, we can still
* do it locally by enabling power save mode on Wocky. */
WockyPorter *porter = gabble_connection_dup_porter (self);
wocky_c2s_porter_enable_power_saving_mode (WOCKY_C2S_PORTER (porter), enable);
DEBUG ("%sabled local stanza queueing", enable ? "En" : "Dis");
g_object_unref (porter);
maybe_emit_power_saving_changed (self, enable);
tp_svc_connection_interface_power_saving_return_from_set_power_saving (
context);
}
}
void
conn_power_saving_iface_init (gpointer g_iface,
gpointer iface_data)
{
#define IMPLEMENT(x) \
tp_svc_connection_interface_power_saving_implement_##x (\
g_iface, conn_power_saving_##x)
IMPLEMENT (set_power_saving);
#undef IMPLEMENT
}
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