add client-node again

Add a client node again that uses the channel protocol but looks like
a node in the graph.

pinos/server/client-node.h

@@ -0,0 +1,68 @@
+/* Pinos
+ * 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 __PINOS_CLIENT_NODE_H__
+#define __PINOS_CLIENT_NODE_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define PINOS_TYPE_CLIENT_NODE                 (pinos_client_node_get_type ())
+#define PINOS_IS_CLIENT_NODE(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PINOS_TYPE_CLIENT_NODE))
+#define PINOS_IS_CLIENT_NODE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), PINOS_TYPE_CLIENT_NODE))
+#define PINOS_CLIENT_NODE_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), PINOS_TYPE_CLIENT_NODE, PinosClientNodeClass))
+#define PINOS_CLIENT_NODE(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), PINOS_TYPE_CLIENT_NODE, PinosClientNode))
+#define PINOS_CLIENT_NODE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), PINOS_TYPE_CLIENT_NODE, PinosClientNodeClass))
+#define PINOS_CLIENT_NODE_CAST(obj)            ((PinosClientNode*)(obj))
+#define PINOS_CLIENT_NODE_CLASS_CAST(klass)    ((PinosClientNodeClass*)(klass))
+
+typedef struct _PinosClientNode PinosClientNode;
+typedef struct _PinosClientNodeClass PinosClientNodeClass;
+typedef struct _PinosClientNodePrivate PinosClientNodePrivate;
+
+/**
+ * PinosClientNode:
+ *
+ * Pinos client node object class.
+ */
+struct _PinosClientNode {
+  PinosNode object;
+
+  PinosClientNodePrivate *priv;
+};
+
+/**
+ * PinosClientNodeClass:
+ *
+ * Pinos client node object class.
+ */
+struct _PinosClientNodeClass {
+  PinosNodeClass parent_class;
+};
+
+/* normal GObject stuff */
+GType              pinos_client_node_get_type             (void);
+
+GSocket *          pinos_client_node_get_socket_pair      (PinosClientNode  *node,
+                                                           GError          **error);
+
+G_END_DECLS
+
+#endif /* __PINOS_CLIENT_NODE_H__ */