proxy: add API

2019-06-10 15:07:54 -04:00
parent 5a863fe50c
commit aa1ce5cdd4
10 changed files with 622 additions and 1 deletions
--- a/lib/wp/proxy-node.c
+++ b/lib/wp/proxy-node.c
@@ -0,0 +1,128 @@
+/* WirePlumber
+ *
+ * Copyright © 2019 Collabora Ltd.
+ *    @author Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "proxy-node.h"
+#include <pipewire/pipewire.h>
+
+struct _WpProxyNode
+{
+  WpProxy parent;
+  
+  /* The node proxy listener */
+  struct spa_hook listener;
+
+  /* The node info */
+  struct pw_node_info *info;
+};
+
+static GAsyncInitableIface *proxy_node_parent_interface = NULL;
+static void wp_proxy_node_async_initable_init (gpointer iface,
+    gpointer iface_data);
+
+G_DEFINE_TYPE_WITH_CODE (WpProxyNode, wp_proxy_node, WP_TYPE_PROXY,
+    G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE,
+                           wp_proxy_node_async_initable_init))
+
+static void
+node_event_info(void *data, const struct pw_node_info *info)
+{
+  WpProxyNode *self = data;
+
+  /* Update the node info */
+  self->info = pw_node_info_update(self->info, info);
+}
+
+static const struct pw_node_proxy_events node_events = {
+  PW_VERSION_NODE_PROXY_EVENTS,
+  .info = node_event_info,
+};
+
+static void
+wp_proxy_node_finalize (GObject * object)
+{
+  WpProxyNode *self = WP_PROXY_NODE(object);
+
+  /* Remove the listener */
+  spa_hook_remove (&self->listener);
+  
+  /* Clear the info */
+  if (self->info) {
+    pw_node_info_free(self->info);
+    self->info = NULL;
+  }
+
+  G_OBJECT_CLASS (wp_proxy_node_parent_class)->finalize (object);
+}
+
+static void
+wp_proxy_node_init_async (GAsyncInitable *initable, int io_priority,
+    GCancellable *cancellable, GAsyncReadyCallback callback, gpointer data)
+{
+  WpProxyNode *self = WP_PROXY_NODE(initable);
+  WpProxy *wp_proxy = WP_PROXY(initable);
+  struct pw_node_proxy *proxy = NULL;
+
+  /* Get the proxy from the base class */
+  proxy = wp_proxy_get_pw_proxy(wp_proxy);
+
+  /* Add the node proxy listener */
+  pw_node_proxy_add_listener(proxy, &self->listener, &node_events, self);
+
+  /* Call the parent interface */
+  proxy_node_parent_interface->init_async (initable, io_priority, cancellable,
+      callback, data);
+}
+
+static void
+wp_proxy_node_async_initable_init (gpointer iface, gpointer iface_data)
+{
+  GAsyncInitableIface *ai_iface = iface;
+  
+  /* Set the parent interface */
+  proxy_node_parent_interface = g_type_interface_peek_parent (iface);
+
+  /* Only set the init_async */
+  ai_iface->init_async = wp_proxy_node_init_async;
+}
+
+static void
+wp_proxy_node_init (WpProxyNode * self)
+{
+}
+
+static void
+wp_proxy_node_class_init (WpProxyNodeClass * klass)
+{
+  GObjectClass *object_class = (GObjectClass *) klass;
+
+  object_class->finalize = wp_proxy_node_finalize;
+}
+
+void
+wp_proxy_node_new (WpCore *core, gpointer proxy,
+    GAsyncReadyCallback callback, gpointer user_data)
+{
+  g_async_initable_new_async (
+      WP_TYPE_PROXY_NODE, G_PRIORITY_DEFAULT, NULL, callback, user_data,
+      "core", (gpointer) core,
+      "pw-proxy", proxy,
+      NULL);
+}
+
+WpProxyNode *
+wp_proxy_node_new_finish(GObject *initable, GAsyncResult *res, GError **error)
+{
+  GAsyncInitable *ai = G_ASYNC_INITABLE(initable);
+  return WP_PROXY_NODE(g_async_initable_new_finish(ai, res, error));
+}
+
+const struct pw_node_info *
+wp_proxy_node_get_info (WpProxyNode * self)
+{
+  return self->info;
+}