Document libbabeltrace2's C API

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

diff --git a/src/lib/graph/component.c b/src/lib/graph/component.c
index 22119689dd4873fea9a94c55c682b6d741f0fa42..65978e944cab83f5b1ce18f0070d437ee382ad2a 100644 (file)
--- a/src/lib/graph/component.c
+++ b/src/lib/graph/component.c
@@ -29,11 +29,8 @@
 #include "lib/assert-pre.h"
 #include "lib/assert-post.h"
 #include <babeltrace2/graph/self-component.h>
-#include <babeltrace2/graph/component-const.h>
-#include <babeltrace2/graph/component-source-const.h>
-#include <babeltrace2/graph/component-filter-const.h>
-#include <babeltrace2/graph/component-sink-const.h>
-#include <babeltrace2/graph/graph-const.h>
+#include <babeltrace2/graph/component.h>
+#include <babeltrace2/graph/graph.h>
 #include "common/macros.h"
 #include "compat/compiler.h"
 #include <babeltrace2/types.h>
@@ -100,13 +97,22 @@ void finalize_component(struct bt_component *comp)
                break;
        }
        default:
-               abort();
+               bt_common_abort();
        }
 
        if (method) {
+               const struct bt_error *saved_error;
+
+               saved_error = bt_current_thread_take_error();
+
                BT_LIB_LOGI("Calling user's component finalization method: "
                        "%![comp-]+c", comp);
                method(comp);
+               BT_ASSERT_POST_NO_ERROR();
+
+               if (saved_error) {
+                       BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error);
+               }
        }
 }
 
@@ -208,9 +214,6 @@ enum bt_self_component_add_port_status add_port(
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE(strlen(name) > 0, "Name is empty");
        graph = bt_component_borrow_graph(component);
-       BT_ASSERT_PRE(graph && !bt_graph_is_canceled(graph),
-               "Component's graph is canceled: %![comp-]+c, %![graph-]+g",
-               component, graph);
        BT_ASSERT_PRE(
                graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
                "Component's graph is already configured: "
@@ -310,7 +313,7 @@ int bt_component_create(struct bt_component_class *component_class,
 
        bt_object_init_shared_with_parent(&component->base, destroy_component);
        component->class = component_class;
-       bt_object_get_no_null_check(component->class);
+       bt_object_get_ref_no_null_check(component->class);
        component->destroy = component_destroy_funcs[type];
        component->name = g_string_new(name);
        if (!component->name) {
@@ -392,12 +395,6 @@ void bt_component_set_graph(struct bt_component *component,
                graph ? &graph->base : NULL);
 }
 
-bt_bool bt_component_graph_is_canceled(const struct bt_component *component)
-{
-       return bt_graph_is_canceled(
-               (void *) bt_object_borrow_parent(&component->base));
-}
-
 static
 struct bt_port *borrow_port_by_name(GPtrArray *ports,
                const char *name)
@@ -510,7 +507,7 @@ bt_component_port_connected(
                        method = (method_t) src_cc->methods.output_port_connected;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
@@ -527,7 +524,7 @@ bt_component_port_connected(
                        method = (method_t) flt_cc->methods.output_port_connected;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
@@ -541,13 +538,13 @@ bt_component_port_connected(
                        method = (method_t) sink_cc->methods.input_port_connected;
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                break;
        }
        default:
-               abort();
+               bt_common_abort();
        }
 
        if (method) {
@@ -562,6 +559,7 @@ bt_component_port_connected(
                        status == BT_FUNC_STATUS_MEMORY_ERROR,
                        "Unexpected returned component status: status=%s",
                        bt_common_func_status_string(status));
+               BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS(status);
        }
 
        return status;
@@ -614,6 +612,15 @@ bt_logging_level bt_component_get_logging_level(
        return component->log_level;
 }
 
+uint64_t bt_self_component_get_graph_mip_version(
+               bt_self_component *self_component)
+{
+       struct bt_component *comp = (void *) self_component;
+
+       BT_ASSERT_PRE_NON_NULL(self_component, "Component");
+       return bt_component_borrow_graph(comp)->mip_version;
+}
+
 void bt_component_get_ref(const struct bt_component *component)
 {
        bt_object_get_ref(component);