Move to kernel style SPDX license identifiers
[babeltrace.git] / src / cli / babeltrace2.c
index e721ea3b739e1bce2c0733935d5bc0f8605d96ba..c4b7c29fc1605bc67910bcbdb98608c9c872a309 100644 (file)
@@ -1,25 +1,7 @@
 /*
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * SPDX-License-Identifier: MIT
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
  */
 
 #define BT_LOG_TAG "CLI"
@@ -27,6 +9,8 @@
 
 #include <babeltrace2/babeltrace.h>
 #include "common/common.h"
+#include "string-format/format-error.h"
+#include "string-format/format-plugin-comp-cls-name.h"
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
 #define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
 #define NSEC_PER_SEC   1000000000LL
 
+enum bt_cmd_status {
+       BT_CMD_STATUS_OK            = 0,
+       BT_CMD_STATUS_ERROR         = -1,
+       BT_CMD_STATUS_INTERRUPTED   = -2,
+};
+
+static
+const char *bt_cmd_status_string(enum bt_cmd_status cmd_status)
+{
+       switch (cmd_status) {
+       case BT_CMD_STATUS_OK:
+               return "OK";
+       case BT_CMD_STATUS_ERROR:
+               return "ERROR";
+       case BT_CMD_STATUS_INTERRUPTED:
+               return "INTERRUPTED";
+       default:
+               bt_common_abort();
+       }
+}
+
 /* Application's interrupter (owned by this) */
 static bt_interrupter *the_interrupter;
 
@@ -123,14 +128,13 @@ const void *find_component_class_from_plugin(const char *plugin_name,
        BT_LOGI("Finding component class: plugin-name=\"%s\", "
                "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
 
-       plugin = find_loaded_plugin(plugin_name);
+       plugin = borrow_loaded_plugin_by_name(plugin_name);
        if (!plugin) {
                goto end;
        }
 
        comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
        bt_object_get_ref(comp_class);
-       BT_PLUGIN_PUT_REF_AND_RESET(plugin);
 
 end:
        if (comp_class) {
@@ -193,7 +197,7 @@ const bt_component_class *find_component_class(const char *plugin_name,
                comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
                break;
        default:
-               abort();
+               bt_common_abort();
        }
 
        return comp_cls;
@@ -209,68 +213,6 @@ void print_indent(FILE *fp, size_t indent)
        }
 }
 
-static
-const char *component_type_str(bt_component_class_type type)
-{
-       switch (type) {
-       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-               return "source";
-       case BT_COMPONENT_CLASS_TYPE_SINK:
-               return "sink";
-       case BT_COMPONENT_CLASS_TYPE_FILTER:
-               return "filter";
-       default:
-               return "(unknown)";
-       }
-}
-
-static
-void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
-               const char *comp_cls_name, bt_component_class_type type)
-{
-       GString *shell_plugin_name = NULL;
-       GString *shell_comp_cls_name = NULL;
-
-       if (plugin_name) {
-               shell_plugin_name = bt_common_shell_quote(plugin_name, false);
-               if (!shell_plugin_name) {
-                       goto end;
-               }
-       }
-
-       shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
-       if (!shell_comp_cls_name) {
-               goto end;
-       }
-
-       fprintf(fh, "'%s%s%s%s",
-               bt_common_color_bold(),
-               bt_common_color_fg_cyan(),
-               component_type_str(type),
-               bt_common_color_fg_default());
-
-       if (shell_plugin_name) {
-               fprintf(fh, ".%s%s%s",
-                       bt_common_color_fg_blue(),
-                       shell_plugin_name->str,
-                       bt_common_color_fg_default());
-       }
-
-       fprintf(fh, ".%s%s%s'",
-               bt_common_color_fg_yellow(),
-               shell_comp_cls_name->str,
-               bt_common_color_reset());
-
-end:
-       if (shell_plugin_name) {
-               g_string_free(shell_plugin_name, TRUE);
-       }
-
-       if (shell_comp_cls_name) {
-               g_string_free(shell_comp_cls_name, TRUE);
-       }
-}
-
 static
 void print_value(FILE *, const bt_value *, size_t);
 
@@ -309,13 +251,14 @@ end:
 }
 
 static
-bt_bool collect_map_keys(const char *key, const bt_value *object, void *data)
+bt_value_map_foreach_entry_const_func_status collect_map_keys(
+               const char *key, const bt_value *object, void *data)
 {
        GPtrArray *map_keys = data;
 
        g_ptr_array_add(map_keys, (gpointer *) key);
 
-       return BT_TRUE;
+       return BT_VALUE_MAP_FOREACH_ENTRY_CONST_FUNC_STATUS_OK;
 }
 
 static
@@ -346,31 +289,31 @@ void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
        case BT_VALUE_TYPE_BOOL:
                bool_val = bt_value_bool_get(value);
                fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
+                       bt_common_color_fg_bright_cyan(), bool_val ? "yes" : "no",
                        bt_common_color_reset());
                break;
        case BT_VALUE_TYPE_UNSIGNED_INTEGER:
                uint_val = bt_value_integer_unsigned_get(value);
                fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), uint_val,
+                       bt_common_color_fg_bright_red(), uint_val,
                        bt_common_color_reset());
                break;
        case BT_VALUE_TYPE_SIGNED_INTEGER:
                int_val = bt_value_integer_signed_get(value);
                fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), int_val,
+                       bt_common_color_fg_bright_red(), int_val,
                        bt_common_color_reset());
                break;
        case BT_VALUE_TYPE_REAL:
                dbl_val = bt_value_real_get(value);
                fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), dbl_val,
+                       bt_common_color_fg_bright_red(), dbl_val,
                        bt_common_color_reset());
                break;
        case BT_VALUE_TYPE_STRING:
                str_val = bt_value_string_get(value);
                fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_green(), str_val,
+                       bt_common_color_fg_bright_green(), str_val,
                        bt_common_color_reset());
                break;
        case BT_VALUE_TYPE_ARRAY:
@@ -456,7 +399,7 @@ void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
                break;
        }
        default:
-               abort();
+               bt_common_abort();
        }
 
        goto end;
@@ -480,11 +423,16 @@ void print_value(FILE *fp, const bt_value *value, size_t indent)
 static
 void print_bt_config_component(struct bt_config_component *bt_config_component)
 {
-       fprintf(stderr, "    ");
-       print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
+       gchar *comp_cls_str;
+
+       comp_cls_str = format_plugin_comp_cls_opt(
+               bt_config_component->plugin_name->str,
                bt_config_component->comp_cls_name->str,
-               bt_config_component->type);
-       fprintf(stderr, ":\n");
+               bt_config_component->type,
+               BT_COMMON_COLOR_WHEN_AUTO);
+       BT_ASSERT(comp_cls_str);
+
+       fprintf(stderr, "    %s:\n", comp_cls_str);
 
        if (bt_config_component->instance_name->len > 0) {
                fprintf(stderr, "      Name: %s\n",
@@ -493,6 +441,8 @@ void print_bt_config_component(struct bt_config_component *bt_config_component)
 
        fprintf(stderr, "      Parameters:\n");
        print_value(stderr, bt_config_component->params, 8);
+
+       g_free(comp_cls_str);
 }
 
 static
@@ -614,7 +564,7 @@ void print_cfg(struct bt_config *cfg)
                print_cfg_print_lttng_live_sessions(cfg);
                break;
        default:
-               abort();
+               bt_common_abort();
        }
 }
 
@@ -638,7 +588,7 @@ void print_plugin_info(const bt_plugin *plugin)
        version_avail = bt_plugin_get_version(plugin, &major, &minor,
                &patch, &extra);
        printf("%s%s%s%s:\n", bt_common_color_bold(),
-               bt_common_color_fg_blue(), plugin_name,
+               bt_common_color_fg_bright_blue(), plugin_name,
                bt_common_color_reset());
        if (path) {
                printf("  %sPath%s: %s\n", bt_common_color_bold(),
@@ -670,9 +620,10 @@ void print_plugin_info(const bt_plugin *plugin)
 }
 
 static
-int cmd_query(struct bt_config *cfg)
+enum bt_cmd_status cmd_query(struct bt_config *cfg)
 {
        int ret = 0;
+       enum bt_cmd_status cmd_status;
        const bt_component_class *comp_cls = NULL;
        const bt_value *results = NULL;
        const char *fail_reason = NULL;
@@ -688,35 +639,35 @@ int cmd_query(struct bt_config *cfg)
                        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);
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        ret = query(cfg, comp_cls, cfg->cmd_data.query.object->str,
                cfg->cmd_data.query.cfg_component->params,
                &results, &fail_reason);
        if (ret) {
-               goto failed;
+               BT_CLI_LOGE_APPEND_CAUSE(
+                       "Failed to query component class: %s: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d "
+                       "object=\"%s\"", fail_reason,
+                       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,
+                       cfg->cmd_data.query.object->str);
+               goto error;
        }
 
        print_value(stdout, results, 0);
+       cmd_status = BT_CMD_STATUS_OK;
        goto end;
 
-failed:
-       BT_CLI_LOGE_APPEND_CAUSE(
-               "Failed to query component class: %s: plugin-name=\"%s\", "
-               "comp-cls-name=\"%s\", comp-cls-type=%d "
-               "object=\"%s\"", fail_reason,
-               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,
-               cfg->cmd_data.query.object->str);
-       ret = -1;
+error:
+       cmd_status = BT_CMD_STATUS_ERROR;
 
 end:
        bt_component_class_put_ref(comp_cls);
        bt_value_put_ref(results);
-       return ret;
+       return cmd_status;
 }
 
 static
@@ -731,9 +682,13 @@ void print_component_class_help(const char *plugin_name,
                bt_component_class_get_help(comp_cls);
        bt_component_class_type type =
                bt_component_class_get_type(comp_cls);
+       gchar *comp_cls_str;
 
-       print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
-       printf("\n");
+       comp_cls_str = format_plugin_comp_cls_opt(plugin_name, comp_class_name,
+               type, BT_COMMON_COLOR_WHEN_AUTO);
+       BT_ASSERT(comp_cls_str);
+
+       printf("%s\n", comp_cls_str);
        printf("  %sDescription%s: %s\n", bt_common_color_bold(),
                bt_common_color_reset(),
                comp_class_description ? comp_class_description : "(None)");
@@ -741,22 +696,23 @@ void print_component_class_help(const char *plugin_name,
        if (comp_class_help) {
                printf("\n%s\n", comp_class_help);
        }
+
+       g_free(comp_cls_str);
 }
 
 static
-int cmd_help(struct bt_config *cfg)
+enum bt_cmd_status cmd_help(struct bt_config *cfg)
 {
-       int ret = 0;
+       enum bt_cmd_status cmd_status;
        const bt_plugin *plugin = NULL;
        const bt_component_class *needed_comp_cls = NULL;
 
-       plugin = find_loaded_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
+       plugin = borrow_loaded_plugin_by_name(cfg->cmd_data.help.cfg_component->plugin_name->str);
        if (!plugin) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find plugin: plugin-name=\"%s\"",
                        cfg->cmd_data.help.cfg_component->plugin_name->str);
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        print_plugin_info(plugin);
@@ -775,6 +731,7 @@ int cmd_help(struct bt_config *cfg)
 
        if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
                /* Plugin help only */
+               cmd_status = BT_CMD_STATUS_OK;
                goto end;
        }
 
@@ -789,19 +746,22 @@ int cmd_help(struct bt_config *cfg)
                        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);
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        printf("\n");
        print_component_class_help(
                cfg->cmd_data.help.cfg_component->plugin_name->str,
                needed_comp_cls);
+       cmd_status = BT_CMD_STATUS_OK;
+       goto end;
+
+error:
+       cmd_status = BT_CMD_STATUS_ERROR;
 
 end:
        bt_component_class_put_ref(needed_comp_cls);
-       bt_plugin_put_ref(plugin);
-       return ret;
+       return cmd_status;
 }
 
 typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
@@ -816,6 +776,7 @@ void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
                spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
 {
        uint64_t i;
+       gchar *comp_cls_str = NULL;
 
        if (count == 0) {
                printf("  %s%s component classes%s: (none)\n",
@@ -841,10 +802,11 @@ void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
                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);
+               g_free(comp_cls_str);
+               comp_cls_str = format_plugin_comp_cls_opt(
+                       bt_plugin_get_name(plugin), comp_class_name, type,
+                       BT_COMMON_COLOR_WHEN_AUTO);
+               printf("    %s", comp_cls_str);
 
                if (comp_class_description) {
                        printf(": %s", comp_class_description);
@@ -854,13 +816,12 @@ void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
        }
 
 end:
-       return;
+       g_free(comp_cls_str);
 }
 
 static
-int cmd_list_plugins(struct bt_config *cfg)
+enum bt_cmd_status cmd_list_plugins(struct bt_config *cfg)
 {
-       int ret = 0;
        int plugins_count, component_classes_count = 0, i;
 
        printf("From the following plugin paths:\n\n");
@@ -873,7 +834,7 @@ int cmd_list_plugins(struct bt_config *cfg)
        }
 
        for (i = 0; i < plugins_count; i++) {
-               const bt_plugin *plugin = borrow_loaded_plugin(i);
+               const bt_plugin *plugin = borrow_loaded_plugin_by_index(i);
 
                component_classes_count +=
                        bt_plugin_get_source_component_class_count(plugin) +
@@ -890,7 +851,7 @@ int cmd_list_plugins(struct bt_config *cfg)
                bt_common_color_reset());
 
        for (i = 0; i < plugins_count; i++) {
-               const bt_plugin *plugin = borrow_loaded_plugin(i);
+               const bt_plugin *plugin = borrow_loaded_plugin_by_index(i);
 
                printf("\n");
                print_plugin_info(plugin);
@@ -915,13 +876,14 @@ int cmd_list_plugins(struct bt_config *cfg)
        }
 
 end:
-       return ret;
+       return BT_CMD_STATUS_OK;
 }
 
 static
-int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+enum bt_cmd_status cmd_print_lttng_live_sessions(struct bt_config *cfg)
 {
        int ret = 0;
+       enum bt_cmd_status cmd_status;
        const bt_component_class *comp_cls = NULL;
        const bt_value *results = NULL;
        bt_value *params = NULL;
@@ -961,7 +923,9 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
        ret = query(cfg, comp_cls, "sessions", params,
                    &results, &fail_reason);
        if (ret) {
-               goto failed;
+               BT_CLI_LOGE_APPEND_CAUSE("Failed to query `sessions` object: %s",
+                       fail_reason);
+               goto error;
        }
 
        BT_ASSERT(results);
@@ -977,7 +941,6 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                        fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
                                "w");
                if (!out_stream) {
-                       ret = -1;
                        BT_LOGE_ERRNO("Cannot open file for writing",
                                ": path=\"%s\"",
                                cfg->cmd_data.print_lttng_live_sessions.output_path->str);
@@ -985,7 +948,7 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                                "Babeltrace CLI",
                                "Cannot open file for writing: path=\"%s\"",
                                cfg->cmd_data.print_lttng_live_sessions.output_path->str);
-                       goto end;
+                       goto error;
                }
        }
 
@@ -1032,14 +995,11 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
        }
 
+       cmd_status = BT_CMD_STATUS_OK;
        goto end;
 
-failed:
-       BT_CLI_LOGE_APPEND_CAUSE("Failed to query `sessions` object: %s",
-               fail_reason);
-
 error:
-       ret = -1;
+       cmd_status = BT_CMD_STATUS_ERROR;
 
 end:
        bt_value_put_ref(results);
@@ -1056,13 +1016,14 @@ end:
                }
        }
 
-       return ret;
+       return cmd_status;
 }
 
 static
-int cmd_print_ctf_metadata(struct bt_config *cfg)
+enum bt_cmd_status cmd_print_ctf_metadata(struct bt_config *cfg)
 {
        int ret = 0;
+       enum bt_cmd_status cmd_status;
        const bt_component_class *comp_cls = NULL;
        const bt_value *results = NULL;
        bt_value *params = NULL;
@@ -1084,27 +1045,26 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
                        "comp-cls-name=\"%s\", comp-cls-type=%d",
                        plugin_name, comp_cls_name,
                        BT_COMPONENT_CLASS_TYPE_SOURCE);
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        params = bt_value_map_create();
        if (!params) {
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        ret = bt_value_map_insert_string_entry(params, "path",
                cfg->cmd_data.print_ctf_metadata.path->str);
        if (ret) {
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        ret = query(cfg, comp_cls, "metadata-info",
                params, &results, &fail_reason);
        if (ret) {
-               goto failed;
+               BT_CLI_LOGE_APPEND_CAUSE(
+                       "Failed to query `metadata-info` object: %s", fail_reason);
+               goto error;
        }
 
        metadata_text_value = bt_value_map_borrow_entry_value_const(results,
@@ -1112,8 +1072,7 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
        if (!metadata_text_value) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find `text` string value in the resulting metadata info object.");
-               ret = -1;
-               goto end;
+               goto error;
        }
 
        metadata_text = bt_value_string_get(metadata_text_value);
@@ -1130,8 +1089,7 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
                                "Babeltrace CLI",
                                "Cannot open file for writing: path=\"%s\"",
                                cfg->cmd_data.print_ctf_metadata.output_path->str);
-                       ret = -1;
-                       goto end;
+                       goto error;
                }
        }
 
@@ -1140,16 +1098,14 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot write whole metadata text to output stream: "
                        "ret=%d", ret);
-               goto end;
+               goto error;
        }
 
-       ret = 0;
+       cmd_status = BT_CMD_STATUS_OK;
        goto end;
 
-failed:
-       ret = -1;
-       BT_CLI_LOGE_APPEND_CAUSE(
-               "Failed to query `metadata-info` object: %s", fail_reason);
+error:
+       cmd_status = BT_CMD_STATUS_ERROR;
 
 end:
        bt_value_put_ref(results);
@@ -1166,7 +1122,7 @@ end:
                }
        }
 
-       return ret;
+       return cmd_status;
 }
 
 struct port_id {
@@ -1468,6 +1424,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                                ctx->graph, trimmer_class, trimmer_name,
                                trimmer_params, ctx->cfg->log_level,
                                &trimmer);
+                       bt_component_filter_get_ref(trimmer);
                        free(trimmer_name);
                        if (add_comp_status !=
                                        BT_GRAPH_ADD_COMPONENT_STATUS_OK) {
@@ -1923,7 +1880,7 @@ int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
 
        bt_graph_add_interrupter(ctx->graph, the_interrupter);
        add_listener_status = bt_graph_add_source_component_output_port_added_listener(
-               ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
+               ctx->graph, graph_source_output_port_added_listener, ctx,
                NULL);
        if (add_listener_status != BT_GRAPH_ADD_LISTENER_STATUS_OK) {
                BT_CLI_LOGE_APPEND_CAUSE(
@@ -1932,7 +1889,7 @@ int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
        }
 
        add_listener_status = bt_graph_add_filter_component_output_port_added_listener(
-               ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
+               ctx->graph, graph_filter_output_port_added_listener, ctx,
                NULL);
        if (add_listener_status != BT_GRAPH_ADD_LISTENER_STATUS_OK) {
                BT_CLI_LOGE_APPEND_CAUSE(
@@ -2275,7 +2232,7 @@ int cmd_run_ctx_create_components_from_config_components(
                                cfg_comp->comp_cls_name->str);
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                if (!comp_cls) {
@@ -2296,21 +2253,24 @@ int cmd_run_ctx_create_components_from_config_components(
                                comp_cls, cfg_comp->instance_name->str,
                                cfg_comp->params, cfg_comp->log_level,
                                (void *) &comp);
+                       bt_component_source_get_ref(comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_FILTER:
                        ret = bt_graph_add_filter_component(ctx->graph,
                                comp_cls, cfg_comp->instance_name->str,
                                cfg_comp->params, cfg_comp->log_level,
                                (void *) &comp);
+                       bt_component_filter_get_ref(comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_SINK:
                        ret = bt_graph_add_sink_component(ctx->graph,
                                comp_cls, cfg_comp->instance_name->str,
                                cfg_comp->params, cfg_comp->log_level,
                                (void *) &comp);
+                       bt_component_sink_get_ref(comp);
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                if (ret) {
@@ -2353,7 +2313,7 @@ int cmd_run_ctx_create_components_from_config_components(
                                GUINT_TO_POINTER(quark), (void *) comp);
                        break;
                default:
-                       abort();
+                       bt_common_abort();
                }
 
                comp = NULL;
@@ -2477,9 +2437,9 @@ end:
 }
 
 static
-int cmd_run(struct bt_config *cfg)
+enum bt_cmd_status cmd_run(struct bt_config *cfg)
 {
-       int ret = 0;
+       enum bt_cmd_status cmd_status;
        struct cmd_run_ctx ctx = { 0 };
 
        /* Initialize the command's context and the graph object */
@@ -2536,12 +2496,15 @@ int cmd_run(struct bt_config *cfg)
 
                switch (run_status) {
                case BT_GRAPH_RUN_STATUS_OK:
+                       cmd_status = BT_CMD_STATUS_OK;
                        goto end;
                case BT_GRAPH_RUN_STATUS_AGAIN:
                        if (bt_interrupter_is_set(the_interrupter)) {
-                               BT_CLI_LOGW_APPEND_CAUSE(
-                                       "Graph was interrupted by user.");
-                               goto error;
+                               /*
+                                * The graph was interrupted by a SIGINT.
+                                */
+                               cmd_status = BT_CMD_STATUS_INTERRUPTED;
+                               goto end;
                        }
 
                        if (cfg->cmd_data.run.retry_duration_us > 0) {
@@ -2551,20 +2514,16 @@ int cmd_run(struct bt_config *cfg)
 
                                if (usleep(cfg->cmd_data.run.retry_duration_us)) {
                                        if (bt_interrupter_is_set(the_interrupter)) {
-                                               BT_CLI_LOGW_APPEND_CAUSE(
-                                                       "Graph was interrupted by user.");
-                                               goto error;
+                                               cmd_status = BT_CMD_STATUS_INTERRUPTED;
+                                               goto end;
                                        }
                                }
                        }
                        break;
                default:
                        if (bt_interrupter_is_set(the_interrupter)) {
-                               BT_CLI_LOGW_APPEND_CAUSE(
-                                       "Graph was interrupted by user and failed: "
-                                       "status=%s",
-                                       bt_common_func_status_string(run_status));
-                               goto error;
+                               cmd_status = BT_CMD_STATUS_INTERRUPTED;
+                               goto end;
                        }
 
                        BT_CLI_LOGE_APPEND_CAUSE(
@@ -2572,17 +2531,12 @@ int cmd_run(struct bt_config *cfg)
                        goto error;
                }
        }
-
-       goto end;
-
 error:
-       if (ret == 0) {
-               ret = -1;
-       }
+       cmd_status = BT_CMD_STATUS_ERROR;
 
 end:
        cmd_run_ctx_destroy(&ctx);
-       return ret;
+       return cmd_status;
 }
 
 static
@@ -2622,13 +2576,12 @@ static
 void print_error_causes(void)
 {
        const bt_error *error = bt_current_thread_take_error();
-       int64_t i;
-       GString *folded = NULL;
        unsigned int columns;
+       gchar *error_str = NULL;
 
        if (!error || bt_error_get_cause_count(error) == 0) {
                fprintf(stderr, "%s%sUnknown command-line error.%s\n",
-                       bt_common_color_bold(), bt_common_color_fg_red(),
+                       bt_common_color_bold(), bt_common_color_fg_bright_red(),
                        bt_common_color_reset());
                goto end;
        }
@@ -2643,100 +2596,26 @@ void print_error_causes(void)
         * This helps visually separate the error causes from the last
         * logging statement.
         */
-       fprintf(stderr, "\n");
-
-       /* Reverse order: deepest (root) cause printed at the end */
-       for (i = bt_error_get_cause_count(error) - 1; i >= 0; i--) {
-               const bt_error_cause *cause =
-                       bt_error_borrow_cause_by_index(error, (uint64_t) i);
-               const char *prefix_fmt =
-                       i == bt_error_get_cause_count(error) - 1 ?
-                               "%s%sERROR%s:    " : "%s%sCAUSED BY%s ";
-
-               /* Print prefix */
-               fprintf(stderr, prefix_fmt,
-                       bt_common_color_bold(), bt_common_color_fg_red(),
-                       bt_common_color_reset());
+       fputc('\n',  stderr);
 
-               /* Print actor name */
-               fprintf(stderr, "[");
-               switch (bt_error_cause_get_actor_type(cause)) {
-               case BT_ERROR_CAUSE_ACTOR_TYPE_UNKNOWN:
-                       fprintf(stderr, "%s%s%s",
-                               bt_common_color_bold(),
-                               bt_error_cause_get_module_name(cause),
-                               bt_common_color_reset());
-                       break;
-               case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT:
-                       fprintf(stderr, "%s%s%s: ",
-                               bt_common_color_bold(),
-                               bt_error_cause_component_actor_get_component_name(cause),
-                               bt_common_color_reset());
-                       print_plugin_comp_cls_opt(stderr,
-                               bt_error_cause_component_actor_get_plugin_name(cause),
-                               bt_error_cause_component_actor_get_component_class_name(cause),
-                               bt_error_cause_component_actor_get_component_class_type(cause));
-                       break;
-               case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS:
-                       print_plugin_comp_cls_opt(stderr,
-                               bt_error_cause_component_class_actor_get_plugin_name(cause),
-                               bt_error_cause_component_class_actor_get_component_class_name(cause),
-                               bt_error_cause_component_class_actor_get_component_class_type(cause));
-                       break;
-               case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR:
-                       fprintf(stderr, "%s%s%s (%s%s%s): ",
-                               bt_common_color_bold(),
-                               bt_error_cause_message_iterator_actor_get_component_name(cause),
-                               bt_common_color_reset(),
-                               bt_common_color_bold(),
-                               bt_error_cause_message_iterator_actor_get_component_output_port_name(cause),
-                               bt_common_color_reset());
-                       print_plugin_comp_cls_opt(stderr,
-                               bt_error_cause_message_iterator_actor_get_plugin_name(cause),
-                               bt_error_cause_message_iterator_actor_get_component_class_name(cause),
-                               bt_error_cause_message_iterator_actor_get_component_class_type(cause));
-                       break;
-               default:
-                       abort();
-               }
+       error_str = format_bt_error(error, columns, bt_cli_log_level,
+               BT_COMMON_COLOR_WHEN_AUTO);
+       BT_ASSERT(error_str);
 
-               /* Print file name and line number */
-               fprintf(stderr, "] (%s%s%s%s:%s%" PRIu64 "%s)\n",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_magenta(),
-                       bt_error_cause_get_file_name(cause),
-                       bt_common_color_reset(),
-                       bt_common_color_fg_green(),
-                       bt_error_cause_get_line_number(cause),
-                       bt_common_color_reset());
-
-               /* Print message */
-               folded = bt_common_fold(bt_error_cause_get_message(cause),
-                       columns, 2);
-               if (!folded) {
-                       BT_LOGE_STR("Could not fold string.");
-                       fprintf(stderr, "%s\n",
-                               bt_error_cause_get_message(cause));
-                       continue;
-               }
-
-               fprintf(stderr, "%s\n", folded->str);
-               g_string_free(folded, TRUE);
-               folded = NULL;
-       }
+       fprintf(stderr, "%s\n", error_str);
 
 end:
-       BT_ASSERT(!folded);
-
        if (error) {
                bt_error_release(error);
        }
+
+       g_free(error_str);
 }
 
 int main(int argc, const char **argv)
 {
-       int ret;
-       int retcode;
+       int ret, retcode;
+       enum bt_cmd_status cmd_status;
        struct bt_config *cfg = NULL;
 
        init_log_level();
@@ -2791,42 +2670,56 @@ int main(int argc, const char **argv)
 
        switch (cfg->command) {
        case BT_CONFIG_COMMAND_RUN:
-               ret = cmd_run(cfg);
+               cmd_status = cmd_run(cfg);
                break;
        case BT_CONFIG_COMMAND_LIST_PLUGINS:
-               ret = cmd_list_plugins(cfg);
+               cmd_status = cmd_list_plugins(cfg);
                break;
        case BT_CONFIG_COMMAND_HELP:
-               ret = cmd_help(cfg);
+               cmd_status = cmd_help(cfg);
                break;
        case BT_CONFIG_COMMAND_QUERY:
-               ret = cmd_query(cfg);
+               cmd_status = cmd_query(cfg);
                break;
        case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
-               ret = cmd_print_ctf_metadata(cfg);
+               cmd_status = cmd_print_ctf_metadata(cfg);
                break;
        case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
-               ret = cmd_print_lttng_live_sessions(cfg);
+               cmd_status = cmd_print_lttng_live_sessions(cfg);
                break;
        default:
                BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
-               abort();
+               bt_common_abort();
        }
 
-       BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
-               cfg->command, cfg->command_name, ret);
+       BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", command-status=\"%s\"",
+               cfg->command, cfg->command_name, bt_cmd_status_string(cmd_status));
        warn_command_name_and_directory_clash(cfg);
-       retcode = ret ? 1 : 0;
+
+       switch (cmd_status) {
+       case BT_CMD_STATUS_OK:
+               retcode = 0;
+               break;
+       case BT_CMD_STATUS_ERROR:
+               retcode = 1;
+               break;
+       case BT_CMD_STATUS_INTERRUPTED:
+               retcode = 2;
+               break;
+       default:
+               BT_LOGF("Invalid command status: cmd-status=%d", cmd_status);
+               bt_common_abort();
+       }
 
 end:
+       if (retcode == 1) {
+               print_error_causes();
+       }
+
        BT_OBJECT_PUT_REF_AND_RESET(cfg);
        fini_loaded_plugins();
        bt_interrupter_put_ref(the_interrupter);
 
-       if (retcode != 0) {
-               print_error_causes();
-       }
-
        /*
         * Clear current thread's error in case there is one to avoid a
         * memory leak.
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