Add link introspection

pinos/server/core.c

@@ -277,6 +277,8 @@ pinos_core_add_global (PinosCore           *core,
                        PinosBindFunc        bind)
 {
   PinosGlobal *global;
+  PinosResource *registry;
+  PinosMessageNotifyGlobal ng;
 
   global = calloc (1, sizeof (PinosGlobal));
   global->core = core;
@@ -294,6 +296,14 @@ pinos_core_add_global (PinosCore           *core,
 
   pinos_log_debug ("global %p: new %u", global, global->id);
 
+  ng.id = global->id;
+  ng.type = spa_id_map_get_uri (core->uri.map, global->type);
+  spa_list_for_each (registry, &core->registry_resource_list, link) {
+    pinos_resource_send_message (registry,
+                                 PINOS_MESSAGE_NOTIFY_GLOBAL,
+                                 &ng,
+                                 true);
+  }
   return global;
 }
 
@@ -313,6 +323,8 @@ void
 pinos_global_destroy (PinosGlobal *global)
 {
   PinosCore *core = global->core;
+  PinosResource *registry;
+  PinosMessageNotifyGlobalRemove ng;
 
   pinos_log_debug ("global %p: destroy", global);
   pinos_signal_emit (&global->destroy_signal, global);
@@ -322,6 +334,14 @@ pinos_global_destroy (PinosGlobal *global)
   spa_list_remove (&global->link);
   pinos_signal_emit (&core->global_removed, core, global);
 
+  ng.id = global->id;
+  spa_list_for_each (registry, &core->registry_resource_list, link) {
+    pinos_resource_send_message (registry,
+                                 PINOS_MESSAGE_NOTIFY_GLOBAL_REMOVE,
+                                 &ng,
+                                 true);
+  }
+
   pinos_main_loop_defer (core->main_loop,
                          global,
                          SPA_RESULT_WAIT_SYNC,

pinos/server/link.c

@@ -681,24 +681,48 @@ link_dispatch_func (void             *object,
   return SPA_RESULT_OK;
 }
 
+static void
+link_unbind_func (void *data)
+{
+  PinosResource *resource = data;
+  spa_list_remove (&resource->link);
+}
+
 static void
 link_bind_func (PinosGlobal *global,
                 PinosClient *client,
                 uint32_t     version,
                 uint32_t     id)
 {
+  PinosLink *this = global->object;
   PinosResource *resource;
+  PinosMessageLinkInfo m;
+  PinosLinkInfo info;
 
   resource = pinos_resource_new (client,
                                  id,
                                  global->core->uri.link,
                                  global->object,
-                                 NULL);
+                                 link_unbind_func);
 
   resource->dispatch_func = link_dispatch_func;
-  resource->dispatch_data = client;
+  resource->dispatch_data = global;
 
   pinos_log_debug ("link %p: bound to %d", global->object, resource->id);
+
+  spa_list_insert (this->resource_list.prev, &resource->link);
+
+  m.info = &info;
+  info.id = resource->id;
+  info.change_mask = ~0;
+  info.output_node_id = this->output ? this->output->node->global->id : -1;
+  info.output_port_id = this->output ? this->output->port_id : -1;
+  info.input_node_id = this->input ? this->input->node->global->id : -1;
+  info.input_port_id = this->input ? this->input->port_id : -1;
+  pinos_resource_send_message (resource,
+                               PINOS_MESSAGE_LINK_INFO,
+                               &m,
+                               true);
 }
 
 PinosLink *
@@ -722,6 +746,7 @@ pinos_link_new (PinosCore       *core,
   this->input = input;
   this->output = output;
 
+  spa_list_init (&this->resource_list);
   pinos_signal_init (&this->destroy_signal);
 
   impl->format_filter = format_filter;

pinos/server/link.h

@@ -52,9 +52,10 @@ struct _PinosLink {
   PINOS_SIGNAL (destroy_signal, (PinosListener *,
                                  PinosLink *));
 
+  SpaList resource_list;
+
   PinosPort    *output;
   SpaList       output_link;
-
   PinosPort    *input;
   SpaList       input_link;