lib: move bt_graph_configure() to `graph.c` (only used there)

[babeltrace.git] / src / lib / graph / graph.c

diff --git a/src/lib/graph/graph.c b/src/lib/graph/graph.c
index 4645e0f5acfc1541ac8fdb909ec7463cfbbd2a1d..c3980d6d398bdc919f0993f3c12cf944aab77677 100644 (file)
--- a/src/lib/graph/graph.c
+++ b/src/lib/graph/graph.c
@@ -558,6 +558,77 @@ end:
        return status;
 }
 
+static
+int configure_graph(struct bt_graph *graph)
+{
+       int status = BT_FUNC_STATUS_OK;
+       uint64_t i;
+
+       BT_ASSERT_DBG(graph->config_state !=
+               BT_GRAPH_CONFIGURATION_STATE_FAULTY);
+
+       if (G_LIKELY(graph->config_state ==
+                       BT_GRAPH_CONFIGURATION_STATE_CONFIGURED)) {
+               goto end;
+       }
+
+       BT_ASSERT_PRE(graph->has_sink, "Graph has no sink component: %!+g", graph);
+       graph->config_state = BT_GRAPH_CONFIGURATION_STATE_PARTIALLY_CONFIGURED;
+
+       for (i = 0; i < graph->components->len; i++) {
+               struct bt_component *comp = graph->components->pdata[i];
+               struct bt_component_sink *comp_sink = (void *) comp;
+               struct bt_component_class_sink *comp_cls_sink =
+                       (void *) comp->class;
+
+               if (comp->class->type != BT_COMPONENT_CLASS_TYPE_SINK) {
+                       continue;
+               }
+
+               if (comp_sink->graph_is_configured_method_called) {
+                       continue;
+               }
+
+               if (comp_cls_sink->methods.graph_is_configured) {
+                       enum bt_component_class_sink_graph_is_configured_method_status comp_status;
+
+                       BT_LIB_LOGD("Calling user's \"graph is configured\" method: "
+                               "%![graph-]+g, %![comp-]+c",
+                               graph, comp);
+                       comp_status = comp_cls_sink->methods.graph_is_configured(
+                               (void *) comp_sink);
+                       BT_LIB_LOGD("User method returned: status=%s",
+                               bt_common_func_status_string(comp_status));
+                       BT_ASSERT_POST(comp_status == BT_FUNC_STATUS_OK ||
+                               comp_status == BT_FUNC_STATUS_ERROR ||
+                               comp_status == BT_FUNC_STATUS_MEMORY_ERROR,
+                               "Unexpected returned status: status=%s",
+                               bt_common_func_status_string(comp_status));
+                       BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS(comp_status);
+                       if (comp_status != BT_FUNC_STATUS_OK) {
+                               if (comp_status < 0) {
+                                       BT_LIB_LOGW_APPEND_CAUSE(
+                                               "Component's \"graph is configured\" method failed: "
+                                               "%![comp-]+c, status=%s",
+                                               comp,
+                                               bt_common_func_status_string(
+                                                       comp_status));
+                               }
+
+                               status = comp_status;
+                               goto end;
+                       }
+               }
+
+               comp_sink->graph_is_configured_method_called = true;
+       }
+
+       graph->config_state = BT_GRAPH_CONFIGURATION_STATE_CONFIGURED;
+
+end:
+       return status;
+}
+
 enum bt_graph_run_once_status bt_graph_run_once(struct bt_graph *graph)
 {
        enum bt_graph_run_once_status status;
@@ -570,9 +641,9 @@ enum bt_graph_run_once_status bt_graph_run_once(struct bt_graph *graph)
                BT_GRAPH_CONFIGURATION_STATE_FAULTY,
                "Graph is in a faulty state: %!+g", graph);
        bt_graph_set_can_consume(graph, false);
-       status = bt_graph_configure(graph);
+       status = configure_graph(graph);
        if (G_UNLIKELY(status)) {
-               /* bt_graph_configure() logs errors */
+               /* configure_graph() logs errors */
                goto end;
        }
 
@@ -594,9 +665,9 @@ enum bt_graph_run_status bt_graph_run(struct bt_graph *graph)
        BT_ASSERT_PRE(graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY,
                "Graph is in a faulty state: %!+g", graph);
        bt_graph_set_can_consume(graph, false);
-       status = bt_graph_configure(graph);
+       status = configure_graph(graph);
        if (G_UNLIKELY(status)) {
-               /* bt_graph_configure() logs errors */
+               /* configure_graph() logs errors */
                goto end;
        }