mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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4a5ed1e1f5
Add buffer flags. The idea is to make it possible to easily check when a buffer contains control information that we need to parse to update the port fields. Make the client create remote nodes and ports and set up proxies for them. Make a port base class implementing most of the logic to pass buffers locally and remotely. Remove most code from stream.c, it's now in the port. Make a portsink and portsrc that can write and read to/from any port. We use these in the server to send and receive data. Rework format negotiation. The final format is now sent in-line before the data. The server will select a format on output ports.
432 lines
13 KiB
C
432 lines
13 KiB
C
/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include "pinos/client/pinos.h"
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#include "pinos/server/client.h"
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#include "pinos/server/server-node.h"
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#include "pinos/server/upload-node.h"
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#include "pinos/dbus/org-pinos.h"
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struct _PinosClientPrivate
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{
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PinosDaemon *daemon;
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PinosClient1 *iface;
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gchar *sender;
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gchar *object_path;
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PinosProperties *properties;
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PinosFdManager *fdmanager;
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GList *nodes;
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};
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#define PINOS_CLIENT_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_CLIENT, PinosClientPrivate))
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G_DEFINE_TYPE (PinosClient, pinos_client, G_TYPE_OBJECT);
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enum
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{
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PROP_0,
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PROP_DAEMON,
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PROP_SENDER,
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PROP_OBJECT_PATH,
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PROP_PROPERTIES,
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};
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enum
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{
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SIGNAL_DISCONNECT,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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static void
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pinos_client_get_property (GObject *_object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PinosClient *client = PINOS_CLIENT (_object);
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PinosClientPrivate *priv = client->priv;
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switch (prop_id) {
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case PROP_DAEMON:
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g_value_set_object (value, priv->daemon);
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break;
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case PROP_SENDER:
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g_value_set_string (value, priv->sender);
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break;
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case PROP_OBJECT_PATH:
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g_value_set_string (value, priv->object_path);
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break;
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case PROP_PROPERTIES:
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g_value_set_boxed (value, priv->properties);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (client, prop_id, pspec);
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break;
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}
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}
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static void
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pinos_client_set_property (GObject *_object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PinosClient *client = PINOS_CLIENT (_object);
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PinosClientPrivate *priv = client->priv;
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switch (prop_id) {
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case PROP_DAEMON:
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priv->daemon = g_value_dup_object (value);
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break;
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case PROP_SENDER:
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priv->sender = g_value_dup_string (value);
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pinos_client1_set_sender (priv->iface, priv->sender);
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break;
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case PROP_PROPERTIES:
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if (priv->properties)
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pinos_properties_free (priv->properties);
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priv->properties = g_value_dup_boxed (value);
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pinos_client1_set_properties (priv->iface, priv->properties ?
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pinos_properties_to_variant (priv->properties) : NULL);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (client, prop_id, pspec);
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break;
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}
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}
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static void
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handle_remove_node (PinosNode *node,
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gpointer user_data)
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{
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PinosClient *client = user_data;
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PinosClientPrivate *priv = client->priv;
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g_debug ("client %p: remove node %p", client, node);
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priv->nodes = g_list_remove (priv->nodes, node);
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g_object_unref (node);
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}
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static gboolean
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handle_create_node (PinosClient1 *interface,
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GDBusMethodInvocation *invocation,
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const gchar *arg_name,
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GVariant *arg_properties,
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gpointer user_data)
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{
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PinosClient *client = user_data;
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PinosClientPrivate *priv = client->priv;
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PinosNode *node;
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const gchar *object_path, *sender;
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PinosProperties *props;
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sender = g_dbus_method_invocation_get_sender (invocation);
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if (g_strcmp0 (pinos_client_get_sender (client), sender) != 0)
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goto not_allowed;
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props = pinos_properties_from_variant (arg_properties);
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node = pinos_server_node_new (priv->daemon,
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sender,
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arg_name,
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props);
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pinos_properties_free (props);
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if (node == NULL)
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goto no_node;
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priv->nodes = g_list_prepend (priv->nodes, node);
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g_signal_connect (node,
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"remove",
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(GCallback) handle_remove_node,
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client);
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object_path = pinos_server_node_get_object_path (PINOS_SERVER_NODE (node));
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g_debug ("client %p: add node %p %d, %s", client, node, G_OBJECT (node)->ref_count, object_path);
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g_dbus_method_invocation_return_value (invocation,
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g_variant_new ("(o)", object_path));
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return TRUE;
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/* ERRORS */
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not_allowed:
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{
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g_debug ("sender %s is not owner of client object %s", sender, pinos_client_get_sender (client));
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g_dbus_method_invocation_return_dbus_error (invocation,
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"org.pinos.Error", "sender not client owner");
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return TRUE;
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}
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no_node:
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{
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g_debug ("client %p: could create node %s", client, arg_name);
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g_dbus_method_invocation_return_dbus_error (invocation,
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"org.pinos.Error", "can't create node");
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pinos_properties_free (props);
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return TRUE;
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}
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}
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static gboolean
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handle_disconnect (PinosClient1 *interface,
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GDBusMethodInvocation *invocation,
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gpointer user_data)
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{
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PinosClient *client = user_data;
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g_debug ("client %p: disconnect", client);
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g_signal_emit (client, signals[SIGNAL_DISCONNECT], 0, NULL);
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g_dbus_method_invocation_return_value (invocation,
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g_variant_new ("()"));
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return TRUE;
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}
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static void
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client_register_object (PinosClient *client)
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{
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PinosClientPrivate *priv = client->priv;
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PinosDaemon *daemon = priv->daemon;
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PinosObjectSkeleton *skel;
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skel = pinos_object_skeleton_new (PINOS_DBUS_OBJECT_CLIENT);
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pinos_object_skeleton_set_client1 (skel, priv->iface);
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g_free (priv->object_path);
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priv->object_path = pinos_daemon_export_uniquely (daemon, G_DBUS_OBJECT_SKELETON (skel));
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g_object_unref (skel);
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g_debug ("client %p: register %s", client, priv->object_path);
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}
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static void
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client_unregister_object (PinosClient *client)
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{
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PinosClientPrivate *priv = client->priv;
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PinosDaemon *daemon = priv->daemon;
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g_debug ("client %p: unregister", client);
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pinos_daemon_unexport (daemon, priv->object_path);
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}
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static void
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pinos_client_dispose (GObject * object)
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{
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PinosClient *client = PINOS_CLIENT (object);
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PinosClientPrivate *priv = client->priv;
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GList *copy;
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g_debug ("client %p: dispose", client);
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pinos_fd_manager_remove_all (priv->fdmanager, priv->object_path);
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copy = g_list_copy (priv->nodes);
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g_list_free_full (copy, (GDestroyNotify) pinos_node_remove);
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client_unregister_object (client);
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G_OBJECT_CLASS (pinos_client_parent_class)->dispose (object);
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}
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static void
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pinos_client_finalize (GObject * object)
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{
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PinosClient *client = PINOS_CLIENT (object);
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PinosClientPrivate *priv = client->priv;
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g_debug ("client %p: finalize", client);
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g_clear_object (&priv->daemon);
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g_clear_object (&priv->iface);
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g_free (priv->sender);
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g_free (priv->object_path);
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if (priv->properties)
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pinos_properties_free (priv->properties);
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g_clear_object (&priv->fdmanager);
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G_OBJECT_CLASS (pinos_client_parent_class)->finalize (object);
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}
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static void
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pinos_client_constructed (GObject * object)
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{
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PinosClient *client = PINOS_CLIENT (object);
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g_debug ("client %p: constructed", client);
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client_register_object (client);
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G_OBJECT_CLASS (pinos_client_parent_class)->constructed (object);
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}
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static void
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pinos_client_class_init (PinosClientClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (PinosClientPrivate));
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gobject_class->constructed = pinos_client_constructed;
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gobject_class->dispose = pinos_client_dispose;
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gobject_class->finalize = pinos_client_finalize;
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gobject_class->set_property = pinos_client_set_property;
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gobject_class->get_property = pinos_client_get_property;
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g_object_class_install_property (gobject_class,
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PROP_DAEMON,
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g_param_spec_object ("daemon",
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"Daemon",
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"The daemon",
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PINOS_TYPE_DAEMON,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_SENDER,
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g_param_spec_string ("sender",
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"Sender",
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"The sender",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_OBJECT_PATH,
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g_param_spec_string ("object-path",
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"Object Path",
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"The object path",
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NULL,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_PROPERTIES,
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g_param_spec_boxed ("properties",
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"Properties",
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"Client properties",
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PINOS_TYPE_PROPERTIES,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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signals[SIGNAL_DISCONNECT] = g_signal_new ("disconnect",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL,
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NULL,
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g_cclosure_marshal_generic,
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G_TYPE_NONE,
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0,
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G_TYPE_NONE);
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}
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static void
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pinos_client_init (PinosClient * client)
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{
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PinosClientPrivate *priv = client->priv = PINOS_CLIENT_GET_PRIVATE (client);
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priv->iface = pinos_client1_skeleton_new ();
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g_signal_connect (priv->iface, "handle-create-node",
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(GCallback) handle_create_node,
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client);
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g_signal_connect (priv->iface, "handle-disconnect",
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(GCallback) handle_disconnect,
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client);
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g_debug ("client %p: new", client);
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priv->fdmanager = pinos_fd_manager_get (PINOS_FD_MANAGER_DEFAULT);
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}
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/**
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* pinos_client_new:
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* @daemon: a #PinosDaemon
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* @sender: the sender id
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* @prefix: a prefix
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* @properties: extra client properties
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*
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* Make a new #PinosClient object and register it to @daemon under the @prefix.
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*
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* Returns: a new #PinosClient
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*/
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PinosClient *
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pinos_client_new (PinosDaemon *daemon,
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const gchar *sender,
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PinosProperties *properties)
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{
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g_return_val_if_fail (PINOS_IS_DAEMON (daemon), NULL);
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return g_object_new (PINOS_TYPE_CLIENT, "daemon", daemon,
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"sender", sender,
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"properties", properties,
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NULL);
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}
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/**
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* pinos_client_get_sender:
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* @client: a #PinosClient
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*
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* Get the sender of @client.
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*
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* Returns: the sender of @client
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*/
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const gchar *
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pinos_client_get_sender (PinosClient *client)
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{
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PinosClientPrivate *priv;
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g_return_val_if_fail (PINOS_IS_CLIENT (client), NULL);
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priv = client->priv;
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return priv->sender;
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}
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/**
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* pinos_client_get_object_path:
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* @client: a #PinosClient
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*
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* Get the object path of @client.
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*
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* Returns: the object path of @client
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*/
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const gchar *
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pinos_client_get_object_path (PinosClient *client)
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{
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PinosClientPrivate *priv;
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g_return_val_if_fail (PINOS_IS_CLIENT (client), NULL);
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priv = client->priv;
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return priv->object_path;
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}
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