lib: graph: add "self" and some "private" APIs
[babeltrace.git] / cli / babeltrace.c
index b9a1b335c510d31f93ee8574582e4889cfcf05ca..c6daa07ade2b0dbee4df2818e7a6e36879e98b8b 100644 (file)
@@ -70,7 +70,7 @@ static const char* log_level_env_var_names[] = {
 
 /* Application's processing graph (weak) */
 static struct bt_private_graph *the_graph;
-static struct bt_query_executor *the_query_executor;
+static struct bt_private_query_executor *the_query_executor;
 static bool canceled = false;
 
 GPtrArray *loaded_plugins;
@@ -112,7 +112,7 @@ void signal_handler(int signum)
        }
 
        if (the_query_executor) {
-               bt_query_executor_cancel(the_query_executor);
+               bt_private_query_executor_cancel(the_query_executor);
        }
 
        canceled = true;
@@ -152,7 +152,7 @@ int create_the_query_executor(void)
 {
        int ret = 0;
 
-       the_query_executor = bt_query_executor_create();
+       the_query_executor = bt_private_query_executor_create();
        if (!the_query_executor) {
                BT_LOGE_STR("Cannot create a query executor.");
                ret = -1;
@@ -195,8 +195,8 @@ int query(struct bt_component_class *comp_cls, const char *obj,
        }
 
        while (true) {
-               status = bt_query_executor_query(the_query_executor, comp_cls,
-                       obj, params, &result);
+               status = bt_private_query_executor_query(the_query_executor,
+                       comp_cls, obj, params, &result);
                switch (status) {
                case BT_QUERY_STATUS_OK:
                        goto ok;
@@ -209,7 +209,8 @@ int query(struct bt_component_class *comp_cls, const char *obj,
                                "time-us=%" PRIu64, sleep_time_us);
 
                        if (usleep(sleep_time_us)) {
-                               if (bt_query_executor_is_canceled(the_query_executor)) {
+                               if (bt_query_executor_is_canceled(
+                                               bt_private_query_executor_borrow_query_executor(the_query_executor))) {
                                        BT_LOGI("Query was canceled by user: "
                                                "comp-cls-addr=%p, comp-cls-name=\"%s\", "
                                                "query-obj=\"%s\"", comp_cls,
@@ -226,7 +227,6 @@ int query(struct bt_component_class *comp_cls, const char *obj,
                        *fail_reason = "canceled by user";
                        goto error;
                case BT_QUERY_STATUS_ERROR:
-               case BT_QUERY_STATUS_INVALID:
                        goto error;
                case BT_QUERY_STATUS_INVALID_OBJECT:
                        *fail_reason = "invalid or unknown query object";
@@ -287,26 +287,27 @@ struct bt_plugin *find_plugin(const char *name)
        return bt_object_get_ref(plugin);
 }
 
+typedef void *(*plugin_borrow_comp_cls_func_t)(struct bt_plugin *,
+       const char *);
+
 static
-struct bt_component_class *find_component_class(const char *plugin_name,
+void *find_component_class_from_plugin(const char *plugin_name,
                const char *comp_class_name,
-               enum bt_component_class_type comp_class_type)
+               plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
 {
-       struct bt_component_class *comp_class = NULL;
+       void *comp_class = NULL;
        struct bt_plugin *plugin;
 
        BT_LOGD("Finding component class: plugin-name=\"%s\", "
-               "comp-cls-name=\"%s\", comp-cls-type=%d",
-               plugin_name, comp_class_name, comp_class_type);
+               "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
 
        plugin = find_plugin(plugin_name);
-
        if (!plugin) {
                goto end;
        }
 
-       comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
-                       comp_class_name, comp_class_type);
+       comp_class = bt_object_get_ref(
+               plugin_borrow_comp_cls_func(plugin, comp_class_name));
        BT_OBJECT_PUT_REF_AND_RESET(plugin);
 
 end:
@@ -315,13 +316,73 @@ end:
                        BT_LOGD("Found component class: comp-cls-addr=%p",
                                comp_class);
                } else {
-                       BT_LOGD("Cannot find component class.");
+                       BT_LOGD("Cannot find source component class.");
                }
        }
 
        return comp_class;
 }
 
+static
+struct bt_component_class_source *find_source_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (void *) find_component_class_from_plugin(plugin_name,
+               comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_source_component_class_by_name);
+}
+
+static
+struct bt_component_class_filter *find_filter_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (void *) find_component_class_from_plugin(plugin_name,
+               comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_filter_component_class_by_name);
+}
+
+static
+struct bt_component_class_sink *find_sink_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (void *) find_component_class_from_plugin(plugin_name,
+               comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_sink_component_class_by_name);
+}
+
+static
+struct bt_component_class *find_component_class(const char *plugin_name,
+               const char *comp_class_name,
+               enum bt_component_class_type comp_class_type)
+{
+       struct bt_component_class *comp_cls = NULL;
+
+       switch (comp_class_type) {
+       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+               comp_cls = bt_component_class_source_borrow_component_class(
+                       find_source_component_class(plugin_name,
+                               comp_class_name));
+               break;
+       case BT_COMPONENT_CLASS_TYPE_FILTER:
+               comp_cls = bt_component_class_filter_borrow_component_class(
+                       find_filter_component_class(plugin_name,
+                               comp_class_name));
+               break;
+       case BT_COMPONENT_CLASS_TYPE_SINK:
+               comp_cls = bt_component_class_sink_borrow_component_class(
+                       find_sink_component_class(plugin_name,
+                               comp_class_name));
+               break;
+       default:
+               abort();
+       }
+
+       return comp_cls;
+}
+
 static
 void print_indent(FILE *fp, size_t indent)
 {
@@ -342,7 +403,6 @@ const char *component_type_str(enum bt_component_class_type type)
                return "sink";
        case BT_COMPONENT_CLASS_TYPE_FILTER:
                return "filter";
-       case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
        default:
                return "(unknown)";
        }
@@ -567,7 +627,7 @@ void print_bt_config_component(struct bt_config_component *bt_config_component)
 
        fprintf(stderr, "      Parameters:\n");
        print_value(stderr,
-               bt_value_borrow_from_private(bt_config_component->params), 8);
+               bt_private_value_borrow_value(bt_config_component->params), 8);
 }
 
 static
@@ -595,7 +655,7 @@ void print_cfg_run(struct bt_config *cfg)
 {
        size_t i;
 
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
        fprintf(stderr, "  Source component instances:\n");
        print_bt_config_components(cfg->cmd_data.run.sources);
 
@@ -626,19 +686,19 @@ void print_cfg_run(struct bt_config *cfg)
 static
 void print_cfg_list_plugins(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
 }
 
 static
 void print_cfg_help(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
 }
 
 static
 void print_cfg_print_ctf_metadata(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
        fprintf(stderr, "  Path: %s\n",
                cfg->cmd_data.print_ctf_metadata.path->str);
 }
@@ -646,7 +706,7 @@ void print_cfg_print_ctf_metadata(struct bt_config *cfg)
 static
 void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
        fprintf(stderr, "  URL: %s\n",
                cfg->cmd_data.print_lttng_live_sessions.url->str);
 }
@@ -654,7 +714,7 @@ void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
 static
 void print_cfg_query(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_value_borrow_from_private(cfg->plugin_paths));
+       print_plugin_paths(bt_private_value_borrow_value(cfg->plugin_paths));
        fprintf(stderr, "  Object: `%s`\n", cfg->cmd_data.query.object->str);
        fprintf(stderr, "  Component class:\n");
        print_bt_config_component(cfg->cmd_data.query.cfg_component);
@@ -706,9 +766,9 @@ void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
 
        for (i = 0; i < count; i++) {
                struct bt_plugin *plugin =
-                       bt_plugin_set_get_plugin(plugin_set, i);
+                       bt_plugin_set_borrow_plugin_by_index(plugin_set, i);
                struct bt_plugin *loaded_plugin =
-                               find_plugin(bt_plugin_get_name(plugin));
+                       find_plugin(bt_plugin_get_name(plugin));
 
                BT_ASSERT(plugin);
 
@@ -726,8 +786,6 @@ void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
                                bt_plugin_get_name(plugin));
                        g_ptr_array_add(loaded_plugins, bt_object_get_ref(plugin));
                }
-
-               bt_object_put_ref(plugin);
        }
 }
 
@@ -879,7 +937,8 @@ int cmd_query(struct bt_config *cfg)
        struct bt_value *results = NULL;
        const char *fail_reason = NULL;
 
-       comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
+       comp_cls = find_component_class(
+               cfg->cmd_data.query.cfg_component->plugin_name->str,
                cfg->cmd_data.query.cfg_component->comp_cls_name->str,
                cfg->cmd_data.query.cfg_component->type);
        if (!comp_cls) {
@@ -902,7 +961,8 @@ int cmd_query(struct bt_config *cfg)
        }
 
        ret = query(comp_cls, cfg->cmd_data.query.object->str,
-               bt_value_borrow_from_private(cfg->cmd_data.query.cfg_component->params),
+               bt_private_value_borrow_value(
+                       cfg->cmd_data.query.cfg_component->params),
                &results, &fail_reason);
        if (ret) {
                goto failed;
@@ -941,12 +1001,36 @@ end:
        return ret;
 }
 
+static
+void print_component_class_help(const char *plugin_name,
+               struct bt_component_class *comp_cls)
+{
+       const char *comp_class_name =
+               bt_component_class_get_name(comp_cls);
+       const char *comp_class_description =
+               bt_component_class_get_description(comp_cls);
+       const char *comp_class_help =
+               bt_component_class_get_help(comp_cls);
+       enum bt_component_class_type type =
+               bt_component_class_get_type(comp_cls);
+
+       print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
+       printf("\n");
+       printf("  %sDescription%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(),
+               comp_class_description ? comp_class_description : "(None)");
+
+       if (comp_class_help) {
+               printf("\n%s\n", comp_class_help);
+       }
+}
+
 static
 int cmd_help(struct bt_config *cfg)
 {
        int ret = 0;
        struct bt_plugin *plugin = NULL;
-       size_t i;
+       struct bt_component_class *needed_comp_cls = NULL;
 
        plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
        if (!plugin) {
@@ -962,86 +1046,106 @@ int cmd_help(struct bt_config *cfg)
        }
 
        print_plugin_info(plugin);
-       printf("  %sComponent classes%s: %d\n",
+       printf("  %sSource component classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       (int) bt_plugin_get_source_component_class_count(plugin));
+       printf("  %sFilter component classes%s: %d\n",
                        bt_common_color_bold(),
                        bt_common_color_reset(),
-                       (int) bt_plugin_get_component_class_count(plugin));
+                       (int) bt_plugin_get_filter_component_class_count(plugin));
+       printf("  %sSink component classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       (int) bt_plugin_get_sink_component_class_count(plugin));
 
+       if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
+               /* Plugin help only */
+               goto end;
+       }
 
-       if (cfg->cmd_data.help.cfg_component->type !=
-                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-               struct bt_component_class *needed_comp_cls =
-                       find_component_class(
-                               cfg->cmd_data.help.cfg_component->plugin_name->str,
-                               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                               cfg->cmd_data.help.cfg_component->type);
+       needed_comp_cls = find_component_class(
+               cfg->cmd_data.help.cfg_component->plugin_name->str,
+               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+               cfg->cmd_data.help.cfg_component->type);
+       if (!needed_comp_cls) {
+               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.help.cfg_component->type);
+               fprintf(stderr, "\n%s%sCannot find component class %s",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               print_plugin_comp_cls_opt(stderr,
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.help.cfg_component->type);
+               fprintf(stderr, "\n");
+               ret = -1;
+               goto end;
+       }
 
-               if (!needed_comp_cls) {
-                       BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                               "comp-cls-name=\"%s\", comp-cls-type=%d",
-                               cfg->cmd_data.help.cfg_component->plugin_name->str,
-                               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                               cfg->cmd_data.help.cfg_component->type);
-                       fprintf(stderr, "\n%s%sCannot find component class %s",
-                               bt_common_color_bold(),
-                               bt_common_color_fg_red(),
-                               bt_common_color_reset());
-                       print_plugin_comp_cls_opt(stderr,
-                               cfg->cmd_data.help.cfg_component->plugin_name->str,
-                               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                               cfg->cmd_data.help.cfg_component->type);
-                       fprintf(stderr, "\n");
-                       ret = -1;
-                       goto end;
-               }
+       printf("\n");
+       print_component_class_help(
+               cfg->cmd_data.help.cfg_component->plugin_name->str,
+               needed_comp_cls);
+
+end:
+       bt_object_put_ref(needed_comp_cls);
+       bt_object_put_ref(plugin);
+       return ret;
+}
+
+typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(struct bt_plugin *,
+       uint64_t);
+typedef struct bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
+       void *);
+
+void cmd_list_plugins_print_component_classes(struct bt_plugin *plugin,
+               const char *cc_type_name, uint64_t count,
+               plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
+               spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
+{
+       uint64_t i;
 
-               bt_object_put_ref(needed_comp_cls);
+       if (count == 0) {
+               printf("  %s%s component classes%s: (none)\n", cc_type_name,
+                       bt_common_color_bold(),
+                       bt_common_color_reset());
+               goto end;
+       } else {
+               printf("  %s%s component classes%s:\n", cc_type_name,
+                       bt_common_color_bold(),
+                       bt_common_color_reset());
        }
 
-       for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
-               struct bt_component_class *comp_cls =
-                       bt_plugin_get_component_class_by_index(plugin, i);
+       for (i = 0; i < count; i++) {
+               struct bt_component_class *comp_class =
+                       spec_comp_cls_borrow_comp_cls_func(
+                               borrow_comp_cls_by_index_func(plugin, i));
                const char *comp_class_name =
-                       bt_component_class_get_name(comp_cls);
+                       bt_component_class_get_name(comp_class);
                const char *comp_class_description =
-                       bt_component_class_get_description(comp_cls);
-               const char *comp_class_help =
-                       bt_component_class_get_help(comp_cls);
+                       bt_component_class_get_description(comp_class);
                enum bt_component_class_type type =
-                       bt_component_class_get_type(comp_cls);
-
-               BT_ASSERT(comp_cls);
+                       bt_component_class_get_type(comp_class);
 
-               if (cfg->cmd_data.help.cfg_component->type !=
-                               BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-                       if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                                       comp_class_name) != 0 ||
-                                       type != cfg->cmd_data.help.cfg_component->type) {
-                               bt_object_put_ref(comp_cls);
-                               continue;
-                       }
-               }
-
-               printf("\n");
+               printf("    ");
                print_plugin_comp_cls_opt(stdout,
-                       cfg->cmd_data.help.cfg_component->plugin_name->str,
-                       comp_class_name,
+                       bt_plugin_get_name(plugin), comp_class_name,
                        type);
-               printf("\n");
-               printf("  %sDescription%s: %s\n", bt_common_color_bold(),
-                       bt_common_color_reset(),
-                       comp_class_description ? comp_class_description : "(None)");
 
-               if (comp_class_help) {
-                       printf("\n%s\n", comp_class_help);
+               if (comp_class_description) {
+                       printf(": %s", comp_class_description);
                }
 
-               bt_object_put_ref(comp_cls);
+               printf("\n");
        }
 
 end:
-       bt_object_put_ref(plugin);
-       return ret;
+       return;
 }
 
 static
@@ -1051,7 +1155,7 @@ int cmd_list_plugins(struct bt_config *cfg)
        int plugins_count, component_classes_count = 0, i;
 
        printf("From the following plugin paths:\n\n");
-       print_value(stdout, bt_value_borrow_from_private(cfg->plugin_paths), 2);
+       print_value(stdout, bt_private_value_borrow_value(cfg->plugin_paths), 2);
        printf("\n");
        plugins_count = loaded_plugins->len;
        if (plugins_count == 0) {
@@ -1062,7 +1166,10 @@ int cmd_list_plugins(struct bt_config *cfg)
        for (i = 0; i < plugins_count; i++) {
                struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
 
-               component_classes_count += bt_plugin_get_component_class_count(plugin);
+               component_classes_count +=
+                       bt_plugin_get_source_component_class_count(plugin) +
+                       bt_plugin_get_filter_component_class_count(plugin) +
+                       bt_plugin_get_sink_component_class_count(plugin);
        }
 
        printf("Found %s%d%s component classes in %s%d%s plugins.\n",
@@ -1074,47 +1181,28 @@ int cmd_list_plugins(struct bt_config *cfg)
                bt_common_color_reset());
 
        for (i = 0; i < plugins_count; i++) {
-               int j;
                struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
 
-               component_classes_count =
-                       bt_plugin_get_component_class_count(plugin);
                printf("\n");
                print_plugin_info(plugin);
-
-               if (component_classes_count == 0) {
-                       printf("  %sComponent classes%s: (none)\n",
-                               bt_common_color_bold(),
-                               bt_common_color_reset());
-               } else {
-                       printf("  %sComponent classes%s:\n",
-                               bt_common_color_bold(),
-                               bt_common_color_reset());
-               }
-
-               for (j = 0; j < component_classes_count; j++) {
-                       struct bt_component_class *comp_class =
-                               bt_plugin_get_component_class_by_index(
-                                       plugin, j);
-                       const char *comp_class_name =
-                               bt_component_class_get_name(comp_class);
-                       const char *comp_class_description =
-                               bt_component_class_get_description(comp_class);
-                       enum bt_component_class_type type =
-                               bt_component_class_get_type(comp_class);
-
-                       printf("    ");
-                       print_plugin_comp_cls_opt(stdout,
-                               bt_plugin_get_name(plugin), comp_class_name,
-                               type);
-
-                       if (comp_class_description) {
-                               printf(": %s", comp_class_description);
-                       }
-
-                       printf("\n");
-                       bt_object_put_ref(comp_class);
-               }
+               cmd_list_plugins_print_component_classes(plugin, "Source",
+                       bt_plugin_get_source_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_source_component_class_by_name,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_source_borrow_component_class);
+               cmd_list_plugins_print_component_classes(plugin, "Filter",
+                       bt_plugin_get_filter_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_filter_component_class_by_name,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_filter_borrow_component_class);
+               cmd_list_plugins_print_component_classes(plugin, "Sink",
+                       bt_plugin_get_sink_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_sink_component_class_by_name,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_sink_borrow_component_class);
        }
 
 end:
@@ -1167,7 +1255,7 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                goto error;
        }
 
-       ret = query(comp_cls, "sessions", bt_value_borrow_from_private(params),
+       ret = query(comp_cls, "sessions", bt_private_value_borrow_value(params),
                &results, &fail_reason);
        if (ret) {
                goto failed;
@@ -1322,7 +1410,7 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
        }
 
        ret = query(comp_cls, "metadata-info",
-               bt_value_borrow_from_private(params), &results, &fail_reason);
+               bt_private_value_borrow_value(params), &results, &fail_reason);
        if (ret) {
                goto failed;
        }
@@ -1367,7 +1455,6 @@ failed:
                bt_common_color_reset());
 
 end:
-       destroy_the_query_executor();
        bt_object_put_ref(results);
        bt_object_put_ref(params);
        bt_object_put_ref(comp_cls);
@@ -1434,7 +1521,13 @@ void trace_range_destroy(gpointer data)
 
 struct cmd_run_ctx {
        /* Owned by this */
-       GHashTable *components;
+       GHashTable *src_components;
+
+       /* Owned by this */
+       GHashTable *flt_components;
+
+       /* Owned by this */
+       GHashTable *sink_components;
 
        /* Owned by this */
        struct bt_private_graph *graph;
@@ -1499,26 +1592,33 @@ char *s_from_ns(int64_t ns)
 
 static
 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
-               struct cmd_run_ctx *ctx, struct bt_component *upstream_comp,
-               struct bt_port *upstream_port,
+               struct cmd_run_ctx *ctx,
+               struct bt_component *upstream_comp,
+               struct bt_port_output *out_upstream_port,
                struct bt_config_connection *cfg_conn)
 {
+       typedef uint64_t (*input_port_count_func_t)(void *);
+       typedef struct bt_port_input *(*borrow_input_port_by_index_func_t)(
+               void *, uint64_t);
+       struct bt_port *upstream_port =
+               bt_port_output_borrow_port(out_upstream_port);
+
        int ret = 0;
        GQuark downstreamp_comp_name_quark;
-       struct bt_component *downstream_comp;
-       int64_t downstream_port_count;
+       void *downstream_comp;
+       uint64_t downstream_port_count;
        uint64_t i;
-       int64_t (*port_count_fn)(struct bt_component *);
-       struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
+       input_port_count_func_t port_count_fn;
+       borrow_input_port_by_index_func_t port_by_index_fn;
        enum bt_graph_status status = BT_GRAPH_STATUS_ERROR;
        bool insert_trimmer = false;
        struct bt_private_value *trimmer_params = NULL;
        char *intersection_begin = NULL;
        char *intersection_end = NULL;
-       struct bt_component *trimmer = NULL;
-       struct bt_component_class *trimmer_class = NULL;
-       struct bt_port *trimmer_input = NULL;
-       struct bt_port *trimmer_output = NULL;
+       struct bt_component_filter *trimmer = NULL;
+       struct bt_component_class_filter *trimmer_class = NULL;
+       struct bt_port_input *trimmer_input = NULL;
+       struct bt_port_output *trimmer_output = NULL;
 
        if (ctx->intersections &&
                bt_component_get_class_type(upstream_comp) ==
@@ -1566,8 +1666,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        }
                }
 
-               trimmer_class = find_component_class("utils", "trimmer",
-                       BT_COMPONENT_CLASS_TYPE_FILTER);
+               trimmer_class = find_filter_component_class("utils", "trimmer");
                if (!trimmer_class) {
                        goto error;
                }
@@ -1582,8 +1681,22 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
        downstreamp_comp_name_quark = g_quark_from_string(
                cfg_conn->downstream_comp_name->str);
        BT_ASSERT(downstreamp_comp_name_quark > 0);
-       downstream_comp = g_hash_table_lookup(ctx->components,
+       downstream_comp = g_hash_table_lookup(ctx->flt_components,
                GUINT_TO_POINTER(downstreamp_comp_name_quark));
+       port_count_fn = (input_port_count_func_t)
+               bt_component_filter_get_input_port_count;
+       port_by_index_fn = (borrow_input_port_by_index_func_t)
+               bt_component_filter_borrow_input_port_by_index;
+
+       if (!downstream_comp) {
+               downstream_comp = g_hash_table_lookup(ctx->sink_components,
+                       GUINT_TO_POINTER(downstreamp_comp_name_quark));
+               port_count_fn = (input_port_count_func_t)
+                       bt_component_sink_get_input_port_count;
+               port_by_index_fn = (borrow_input_port_by_index_func_t)
+                       bt_component_sink_borrow_input_port_by_index;
+       }
+
        if (!downstream_comp) {
                BT_LOGE("Cannot find downstream component:  comp-name=\"%s\", "
                        "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
@@ -1593,28 +1706,14 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                goto error;
        }
 
-       if (bt_component_is_filter(downstream_comp)) {
-               port_count_fn = bt_component_filter_get_input_port_count;
-               port_by_index_fn = bt_component_filter_get_input_port_by_index;
-       } else if (bt_component_is_sink(downstream_comp)) {
-               port_count_fn = bt_component_sink_get_input_port_count;
-               port_by_index_fn = bt_component_sink_get_input_port_by_index;
-       } else {
-               /*
-                * Should never happen because the connections are
-                * validated before we get here.
-                */
-               BT_LOGF("Invalid connection: downstream component is a source: "
-                       "conn-arg=\"%s\"", cfg_conn->arg->str);
-               abort();
-       }
-
        downstream_port_count = port_count_fn(downstream_comp);
        BT_ASSERT(downstream_port_count >= 0);
 
        for (i = 0; i < downstream_port_count; i++) {
-               struct bt_port *downstream_port =
+               struct bt_port_input *in_downstream_port =
                        port_by_index_fn(downstream_comp, i);
+               struct bt_port *downstream_port =
+                       bt_port_input_borrow_port(in_downstream_port);
                const char *upstream_port_name;
                const char *downstream_port_name;
 
@@ -1622,7 +1721,6 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
 
                /* Skip port if it's already connected. */
                if (bt_port_is_connected(downstream_port)) {
-                       bt_object_put_ref(downstream_port);
                        BT_LOGD("Skipping downstream port: already connected: "
                                "port-addr=%p, port-name=\"%s\"",
                                downstream_port,
@@ -1638,29 +1736,30 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                if (!bt_common_star_glob_match(
                                cfg_conn->downstream_port_glob->str, SIZE_MAX,
                                downstream_port_name, SIZE_MAX)) {
-                       bt_object_put_ref(downstream_port);
                        continue;
                }
 
                if (insert_trimmer) {
                        /*
-                        * In order to insert the trimmer between the two
-                        * components that were being connected, we create
-                        * a connection configuration entry which describes
-                        * a connection from the trimmer's output to the
-                        * original input that was being connected.
+                        * In order to insert the trimmer between the
+                        * two components that were being connected, we
+                        * create a connection configuration entry which
+                        * describes a connection from the trimmer's
+                        * output to the original input that was being
+                        * connected.
                         *
-                        * Hence, the creation of the trimmer will cause the
-                        * graph "new port" listener to establish all downstream
-                        * connections as its output port is connected. We will
-                        * then establish the connection between the original
-                        * upstream source and the trimmer.
+                        * Hence, the creation of the trimmer will cause
+                        * the graph "new port" listener to establish
+                        * all downstream connections as its output port
+                        * is connected. We will then establish the
+                        * connection between the original upstream
+                        * source and the trimmer.
                         */
                        char *trimmer_name = NULL;
                        enum bt_graph_status graph_status;
 
-                       ret = asprintf(&trimmer_name, "%s-%s",
-                               "stream-intersection-trimmer",
+                       ret = asprintf(&trimmer_name,
+                               "stream-intersection-trimmer-%s",
                                upstream_port_name);
                        if (ret < 0) {
                                goto error;
@@ -1668,9 +1767,9 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        ret = 0;
 
                        ctx->connect_ports = false;
-                       graph_status = bt_private_graph_add_component(ctx->graph,
-                               trimmer_class, trimmer_name,
-                               bt_value_borrow_from_private(trimmer_params),
+                       graph_status = bt_private_graph_add_filter_component(
+                               ctx->graph, trimmer_class, trimmer_name,
+                               bt_private_value_borrow_value(trimmer_params),
                                &trimmer);
                        free(trimmer_name);
                        if (graph_status != BT_GRAPH_STATUS_OK) {
@@ -1679,13 +1778,13 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        BT_ASSERT(trimmer);
 
                        trimmer_input =
-                               bt_component_filter_get_input_port_by_index(
+                               bt_component_filter_borrow_input_port_by_index(
                                        trimmer, 0);
                        if (!trimmer_input) {
                                goto error;
                        }
                        trimmer_output =
-                               bt_component_filter_get_output_port_by_index(
+                               bt_component_filter_borrow_output_port_by_index(
                                        trimmer, 0);
                        if (!trimmer_output) {
                                goto error;
@@ -1695,18 +1794,18 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                         * Replace the current downstream port by the trimmer's
                         * upstream port.
                         */
-                       BT_OBJECT_MOVE_REF(downstream_port, trimmer_input);
+                       in_downstream_port = trimmer_input;
+                       downstream_port =
+                               bt_port_input_borrow_port(in_downstream_port);
                        downstream_port_name = bt_port_get_name(
                                downstream_port);
-                       if (!downstream_port_name) {
-                               goto error;
-                       }
+                       BT_ASSERT(downstream_port_name);
                }
 
                /* We have a winner! */
                status = bt_private_graph_connect_ports(ctx->graph,
-                       upstream_port, downstream_port, NULL);
-               BT_OBJECT_PUT_REF_AND_RESET(downstream_port);
+                       out_upstream_port, in_downstream_port, NULL);
+               downstream_port = NULL;
                switch (status) {
                case BT_GRAPH_STATUS_OK:
                        break;
@@ -1771,7 +1870,9 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                         * original downstream port.
                         */
                        ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
-                               ctx, trimmer, trimmer_output, cfg_conn);
+                               ctx,
+                               bt_component_filter_borrow_component(trimmer),
+                               trimmer_output, cfg_conn);
                        if (ret) {
                                goto error;
                        }
@@ -1805,14 +1906,12 @@ end:
        BT_OBJECT_PUT_REF_AND_RESET(trimmer_params);
        BT_OBJECT_PUT_REF_AND_RESET(trimmer_class);
        BT_OBJECT_PUT_REF_AND_RESET(trimmer);
-       BT_OBJECT_PUT_REF_AND_RESET(trimmer_input);
-       BT_OBJECT_PUT_REF_AND_RESET(trimmer_output);
        return ret;
 }
 
 static
 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
-               struct bt_port *upstream_port)
+               struct bt_port_output *upstream_port)
 {
        int ret = 0;
        const char *upstream_port_name;
@@ -1822,9 +1921,11 @@ int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
 
        BT_ASSERT(ctx);
        BT_ASSERT(upstream_port);
-       upstream_port_name = bt_port_get_name(upstream_port);
+       upstream_port_name = bt_port_get_name(
+               bt_port_output_borrow_port(upstream_port));
        BT_ASSERT(upstream_port_name);
-       upstream_comp = bt_port_get_component(upstream_port);
+       upstream_comp = bt_port_borrow_component(
+               bt_port_output_borrow_port(upstream_port));
        if (!upstream_comp) {
                BT_LOGW("Upstream port to connect is not part of a component: "
                        "port-addr=%p, port-name=\"%s\"",
@@ -1884,17 +1985,17 @@ error:
        ret = -1;
 
 end:
-       bt_object_put_ref(upstream_comp);
        return ret;
 }
 
 static
-void graph_port_added_listener(struct bt_port *port, void *data)
+void graph_output_port_added_listener(struct cmd_run_ctx *ctx,
+               struct bt_port_output *out_port)
 {
-       struct bt_component *comp = NULL;
-       struct cmd_run_ctx *ctx = data;
+       struct bt_component *comp;
+       struct bt_port *port = bt_port_output_borrow_port(out_port);
 
-       comp = bt_port_get_component(port);
+       comp = bt_port_borrow_component(port);
        BT_LOGI("Port added to a graph's component: comp-addr=%p, "
                "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
                comp, comp ? bt_component_get_name(comp) : "",
@@ -1914,66 +2015,30 @@ void graph_port_added_listener(struct bt_port *port, void *data)
                goto end;
        }
 
-       if (!bt_port_is_output(port)) {
-               BT_LOGI_STR("Skipping input port.");
-               goto end;
-       }
-
-       if (cmd_run_ctx_connect_upstream_port(ctx, port)) {
+       if (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
                BT_LOGF_STR("Cannot connect upstream port.");
                fprintf(stderr, "Added port could not be connected: aborting\n");
                abort();
        }
 
 end:
-       bt_object_put_ref(comp);
        return;
 }
 
 static
-void graph_port_removed_listener(struct bt_component *component,
-               struct bt_port *port, void *data)
+void graph_source_output_port_added_listener(
+               struct bt_component_source *component,
+               struct bt_port_output *port, void *data)
 {
-       BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
-               "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
-               component, bt_component_get_name(component),
-               port, bt_port_get_name(port));
-}
-
-static
-void graph_ports_connected_listener(struct bt_port *upstream_port,
-               struct bt_port *downstream_port, void *data)
-{
-       struct bt_component *upstream_comp = bt_port_get_component(upstream_port);
-       struct bt_component *downstream_comp = bt_port_get_component(downstream_port);
-
-       BT_ASSERT(upstream_comp);
-       BT_ASSERT(downstream_comp);
-       BT_LOGI("Graph's component ports connected: "
-               "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
-               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-               "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
-               "downstream-port-addr=%p, downstream-port-name=\"%s\"",
-               upstream_comp, bt_component_get_name(upstream_comp),
-               upstream_port, bt_port_get_name(upstream_port),
-               downstream_comp, bt_component_get_name(downstream_comp),
-               downstream_port, bt_port_get_name(downstream_port));
-       bt_object_put_ref(upstream_comp);
-       bt_object_put_ref(downstream_comp);
+       graph_output_port_added_listener(data, port);
 }
 
 static
-void graph_ports_disconnected_listener(
-               struct bt_component *upstream_component,
-               struct bt_component *downstream_component,
-               struct bt_port *upstream_port, struct bt_port *downstream_port,
-               void *data)
+void graph_filter_output_port_added_listener(
+               struct bt_component_filter *component,
+               struct bt_port_output *port, void *data)
 {
-       BT_LOGI("Graph's component ports disconnected: "
-               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-               "downstream-port-addr=%p, downstream-port-name=\"%s\"",
-               upstream_port, bt_port_get_name(upstream_port),
-               downstream_port, bt_port_get_name(downstream_port));
+       graph_output_port_added_listener(data, port);
 }
 
 static
@@ -1983,9 +2048,19 @@ void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
                return;
        }
 
-       if (ctx->components) {
-               g_hash_table_destroy(ctx->components);
-               ctx->components = NULL;
+       if (ctx->src_components) {
+               g_hash_table_destroy(ctx->src_components);
+               ctx->src_components = NULL;
+       }
+
+       if (ctx->flt_components) {
+               g_hash_table_destroy(ctx->flt_components);
+               ctx->flt_components = NULL;
+       }
+
+       if (ctx->sink_components) {
+               g_hash_table_destroy(ctx->sink_components);
+               ctx->sink_components = NULL;
        }
 
        if (ctx->intersections) {
@@ -2002,12 +2077,25 @@ static
 int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
 {
        int ret = 0;
+       enum bt_graph_status status;
 
        ctx->cfg = cfg;
        ctx->connect_ports = false;
-       ctx->components = g_hash_table_new_full(g_direct_hash, g_direct_equal,
-               NULL, bt_object_put_ref);
-       if (!ctx->components) {
+       ctx->src_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, bt_object_put_ref);
+       if (!ctx->src_components) {
+               goto error;
+       }
+
+       ctx->flt_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, bt_object_put_ref);
+       if (!ctx->flt_components) {
+               goto error;
+       }
+
+       ctx->sink_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, bt_object_put_ref);
+       if (!ctx->sink_components) {
                goto error;
        }
 
@@ -2026,31 +2114,19 @@ int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
        }
 
        the_graph = ctx->graph;
-       ret = bt_private_graph_add_port_added_listener(ctx->graph,
-               graph_port_added_listener, NULL, ctx);
-       if (ret < 0) {
+       status = bt_private_graph_add_source_component_output_port_added_listener(
+               ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
+               NULL);
+       if (status != BT_GRAPH_STATUS_OK) {
                BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
                goto error;
        }
 
-       ret = bt_private_graph_add_port_removed_listener(ctx->graph,
-               graph_port_removed_listener, NULL, ctx);
-       if (ret < 0) {
-               BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
-               goto error;
-       }
-
-       ret = bt_private_graph_add_ports_connected_listener(ctx->graph,
-               graph_ports_connected_listener, NULL, ctx);
-       if (ret < 0) {
-               BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
-               goto error;
-       }
-
-       ret = bt_private_graph_add_ports_disconnected_listener(ctx->graph,
-               graph_ports_disconnected_listener, NULL, ctx);
-       if (ret < 0) {
-               BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
+       status = bt_private_graph_add_filter_component_output_port_added_listener(
+               ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
+               NULL);
+       if (status != BT_GRAPH_STATUS_OK) {
+               BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
                goto error;
        }
 
@@ -2067,7 +2143,7 @@ end:
 static
 int set_stream_intersections(struct cmd_run_ctx *ctx,
                struct bt_config_component *cfg_comp,
-               struct bt_component_class *comp_cls)
+               struct bt_component_class_source *src_comp_cls)
 {
        int ret = 0;
        uint64_t trace_idx;
@@ -2088,9 +2164,11 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
        struct port_id *port_id = NULL;
        struct trace_range *trace_range = NULL;
        const char *fail_reason = NULL;
+       struct bt_component_class *comp_cls =
+               bt_component_class_source_borrow_component_class(src_comp_cls);
 
        component_path_value = bt_value_map_borrow_entry_value(
-               bt_value_borrow_from_private(cfg_comp->params),
+               bt_private_value_borrow_value(cfg_comp->params),
                "path");
        if (component_path_value && !bt_value_is_string(component_path_value)) {
                BT_LOGD("Cannot get path parameter: component-name=%s",
@@ -2116,7 +2194,7 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
        }
 
        ret = query(comp_cls, "trace-info",
-               bt_value_borrow_from_private(query_params), &query_result,
+               bt_private_value_borrow_value(query_params), &query_result,
                &fail_reason);
        if (ret) {
                BT_LOGD("Component class does not support the `trace-info` query: %s: "
@@ -2306,8 +2384,8 @@ int cmd_run_ctx_create_components_from_config_components(
                struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
 {
        size_t i;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_component *comp = NULL;
+       void *comp_cls = NULL;
+       void *comp = NULL;
        int ret = 0;
 
        for (i = 0; i < cfg_components->len; i++) {
@@ -2315,8 +2393,26 @@ int cmd_run_ctx_create_components_from_config_components(
                        g_ptr_array_index(cfg_components, i);
                GQuark quark;
 
-               comp_cls = find_component_class(cfg_comp->plugin_name->str,
-                       cfg_comp->comp_cls_name->str, cfg_comp->type);
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       comp_cls = find_source_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       comp_cls = find_filter_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       comp_cls = find_sink_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               default:
+                       abort();
+               }
+
                if (!comp_cls) {
                        BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
                                "comp-cls-name=\"%s\", comp-cls-type=%d",
@@ -2335,9 +2431,29 @@ int cmd_run_ctx_create_components_from_config_components(
                        goto error;
                }
 
-               ret = bt_private_graph_add_component(ctx->graph, comp_cls,
-                       cfg_comp->instance_name->str,
-                       bt_value_borrow_from_private(cfg_comp->params), &comp);
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       ret = bt_private_graph_add_source_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               bt_private_value_borrow_value(cfg_comp->params),
+                               (void *) &comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       ret = bt_private_graph_add_filter_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               bt_private_value_borrow_value(cfg_comp->params),
+                               (void *) &comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       ret = bt_private_graph_add_sink_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               bt_private_value_borrow_value(cfg_comp->params),
+                               (void *) &comp);
+                       break;
+               default:
+                       abort();
+               }
+
                if (ret) {
                        BT_LOGE("Cannot create component: plugin-name=\"%s\", "
                                "comp-cls-name=\"%s\", comp-cls-type=%d, "
@@ -2365,8 +2481,24 @@ int cmd_run_ctx_create_components_from_config_components(
                        comp, cfg_comp->instance_name->str);
                quark = g_quark_from_string(cfg_comp->instance_name->str);
                BT_ASSERT(quark > 0);
-               g_hash_table_insert(ctx->components,
-                       GUINT_TO_POINTER(quark), comp);
+
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       g_hash_table_insert(ctx->src_components,
+                               GUINT_TO_POINTER(quark), comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       g_hash_table_insert(ctx->flt_components,
+                               GUINT_TO_POINTER(quark), comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       g_hash_table_insert(ctx->sink_components,
+                               GUINT_TO_POINTER(quark), comp);
+                       break;
+               default:
+                       abort();
+               }
+
                comp = NULL;
                BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
        }
@@ -2420,25 +2552,27 @@ end:
        return ret;
 }
 
+typedef uint64_t (*output_port_count_func_t)(void *);
+typedef struct bt_port_output *(*borrow_output_port_by_index_func_t)(
+       void *, uint64_t);
+
 static
 int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
-               struct bt_component *comp,
-               int64_t (*port_count_fn)(struct bt_component *),
-               struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t))
+               void *comp, output_port_count_func_t port_count_fn,
+               borrow_output_port_by_index_func_t port_by_index_fn)
 {
        int ret = 0;
-       int64_t count;
+       uint64_t count;
        uint64_t i;
 
        count = port_count_fn(comp);
        BT_ASSERT(count >= 0);
 
        for (i = 0; i < count; i++) {
-               struct bt_port *upstream_port = port_by_index_fn(comp, i);
+               struct bt_port_output *upstream_port = port_by_index_fn(comp, i);
 
                BT_ASSERT(upstream_port);
                ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
-               bt_object_put_ref(upstream_port);
                if (ret) {
                        goto end;
                }
@@ -2456,28 +2590,27 @@ int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
        gpointer g_name_quark, g_comp;
 
        ctx->connect_ports = true;
-       g_hash_table_iter_init(&iter, ctx->components);
+       g_hash_table_iter_init(&iter, ctx->src_components);
 
        while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
-               int64_t (*port_count_fn)(struct bt_component *);
-               struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
-
-               if (bt_component_is_source(g_comp)) {
-                       port_count_fn =
-                               bt_component_source_get_output_port_count;
-                       port_by_index_fn =
-                               bt_component_source_get_output_port_by_index;
-               } else if (bt_component_is_filter(g_comp)) {
-                       port_count_fn =
-                               bt_component_filter_get_output_port_count;
-                       port_by_index_fn =
-                               bt_component_filter_get_output_port_by_index;
-               } else {
-                       continue;
+               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+                       (output_port_count_func_t)
+                               bt_component_source_get_output_port_count,
+                       (borrow_output_port_by_index_func_t)
+                               bt_component_source_borrow_output_port_by_index);
+               if (ret) {
+                       goto end;
                }
+       }
+
+       g_hash_table_iter_init(&iter, ctx->flt_components);
 
-               ret = cmd_run_ctx_connect_comp_ports(ctx,
-                       g_comp, port_count_fn, port_by_index_fn);
+       while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+                       (output_port_count_func_t)
+                               bt_component_filter_get_output_port_count,
+                       (borrow_output_port_by_index_func_t)
+                               bt_component_filter_borrow_output_port_by_index);
                if (ret) {
                        goto end;
                }
@@ -2491,20 +2624,22 @@ static inline
 const char *bt_graph_status_str(enum bt_graph_status status)
 {
        switch (status) {
-       case BT_GRAPH_STATUS_CANCELED:
-               return "BT_GRAPH_STATUS_CANCELED";
-       case BT_GRAPH_STATUS_AGAIN:
-               return "BT_GRAPH_STATUS_AGAIN";
-       case BT_GRAPH_STATUS_END:
-               return "BT_GRAPH_STATUS_END";
        case BT_GRAPH_STATUS_OK:
                return "BT_GRAPH_STATUS_OK";
-       case BT_GRAPH_STATUS_INVALID:
-               return "BT_GRAPH_STATUS_INVALID";
-       case BT_GRAPH_STATUS_NO_SINK:
-               return "BT_GRAPH_STATUS_NO_SINK";
+       case BT_GRAPH_STATUS_END:
+               return "BT_GRAPH_STATUS_END";
+       case BT_GRAPH_STATUS_AGAIN:
+               return "BT_GRAPH_STATUS_AGAIN";
+       case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+               return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
+       case BT_GRAPH_STATUS_CANCELED:
+               return "BT_GRAPH_STATUS_CANCELED";
        case BT_GRAPH_STATUS_ERROR:
                return "BT_GRAPH_STATUS_ERROR";
+       case BT_GRAPH_STATUS_NO_SINK:
+               return "BT_GRAPH_STATUS_NO_SINK";
+       case BT_GRAPH_STATUS_NOMEM:
+               return "BT_GRAPH_STATUS_NOMEM";
        default:
                return "(unknown)";
        }
@@ -2580,7 +2715,7 @@ int cmd_run(struct bt_config *cfg)
                        goto error;
                case BT_GRAPH_STATUS_AGAIN:
                        if (bt_graph_is_canceled(
-                                       bt_graph_borrow_from_private(ctx.graph))) {
+                                       bt_private_graph_borrow_graph(ctx.graph))) {
                                BT_LOGI_STR("Graph was canceled by user.");
                                goto error;
                        }
@@ -2592,14 +2727,14 @@ int cmd_run(struct bt_config *cfg)
 
                                if (usleep(cfg->cmd_data.run.retry_duration_us)) {
                                        if (bt_graph_is_canceled(
-                                                       bt_graph_borrow_from_private(ctx.graph))) {
+                                                       bt_private_graph_borrow_graph(ctx.graph))) {
                                                BT_LOGI_STR("Graph was canceled by user.");
                                                goto error;
                                        }
                                }
                        }
                        break;
-               case BT_COMPONENT_STATUS_END:
+               case BT_GRAPH_STATUS_END:
                        goto end;
                default:
                        BT_LOGE_STR("Graph failed to complete successfully");
@@ -2815,7 +2950,7 @@ int main(int argc, const char **argv)
 
        if (cfg->command_needs_plugins) {
                ret = load_all_plugins(
-                       bt_value_borrow_from_private(cfg->plugin_paths));
+                       bt_private_value_borrow_value(cfg->plugin_paths));
                if (ret) {
                        BT_LOGE("Failed to load plugins: ret=%d", ret);
                        retcode = 1;
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