Add owner resource to global and node

Use the resource as the owner for various objects.
Work on makeing the client-node an extension

pipewire/modules/module-client-node/client-node.h

@@ -0,0 +1,61 @@
+/* PipeWire
+ * Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.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 St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __PIPEWIRE_CLIENT_NODE_H__
+#define __PIPEWIRE_CLIENT_NODE_H__
+
+#include <pipewire/server/node.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PIPEWIRE_TYPE__ClientNode                            PIPEWIRE_TYPE_NODE_BASE "Client"
+#define PIPEWIRE_TYPE_CLIENT_NODE_BASE                       PIPEWIRE_TYPE__ClientNode ":"
+
+/** \class pw_client_node
+ *
+ * PipeWire client node interface
+ */
+struct pw_client_node {
+	struct pw_node *node;
+
+	struct pw_client *client;
+	struct pw_resource *resource;
+
+	PW_SIGNAL(destroy_signal, (struct pw_listener *listener, struct pw_client_node *node));
+};
+
+struct pw_client_node *
+pw_client_node_new(struct pw_client *client,
+		   uint32_t id,
+		   const char *name,
+		   struct pw_properties *properties);
+
+void
+pw_client_node_destroy(struct pw_client_node *node);
+
+int
+pw_client_node_get_fds(struct pw_client_node *node, int *readfd, int *writefd);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PIPEWIRE_CLIENT_NODE_H__ */