common: move bt_component_class_type_string here, use it more
[babeltrace.git] / src / cli / babeltrace2.c
index 0dfac7a8ec077d8ca42c6da1a45f1a20c1fd0275..bf6c49d53ede25b6e81ef4a7d877b9dedc5aebe4 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"
@@ -46,6 +28,7 @@
 
 #define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
 #define NSEC_PER_SEC   1000000000LL
+#define EXIT_INTERRUPTED 2
 
 enum bt_cmd_status {
        BT_CMD_STATUS_OK            = 0,
@@ -653,10 +636,11 @@ enum bt_cmd_status cmd_query(struct bt_config *cfg)
        if (!comp_cls) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       "comp-cls-name=\"%s\", comp-cls-type=%s",
                        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);
+                       bt_common_component_class_type_string(
+                               cfg->cmd_data.query.cfg_component->type));
                goto error;
        }
 
@@ -666,11 +650,12 @@ enum bt_cmd_status cmd_query(struct bt_config *cfg)
        if (ret) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Failed to query component class: %s: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d "
+                       "comp-cls-name=\"%s\", comp-cls-type=%s "
                        "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,
+                       bt_common_component_class_type_string(
+                               cfg->cmd_data.query.cfg_component->type),
                        cfg->cmd_data.query.object->str);
                goto error;
        }
@@ -760,10 +745,11 @@ enum bt_cmd_status cmd_help(struct bt_config *cfg)
        if (!needed_comp_cls) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       "comp-cls-name=\"%s\", comp-cls-type=%s",
                        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);
+                       bt_common_component_class_type_string(
+                               cfg->cmd_data.help.cfg_component->type));
                goto error;
        }
 
@@ -921,9 +907,10 @@ enum bt_cmd_status cmd_print_lttng_live_sessions(struct bt_config *cfg)
        if (!comp_cls) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       "comp-cls-name=\"%s\", comp-cls-type=%s",
                        plugin_name, comp_cls_name,
-                       BT_COMPONENT_CLASS_TYPE_SOURCE);
+                       bt_common_component_class_type_string(
+                               BT_COMPONENT_CLASS_TYPE_SOURCE));
                goto error;
        }
 
@@ -1060,9 +1047,10 @@ enum bt_cmd_status cmd_print_ctf_metadata(struct bt_config *cfg)
        if (!comp_cls) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       "comp-cls-name=\"%s\", comp-cls-type=%s",
                        plugin_name, comp_cls_name,
-                       BT_COMPONENT_CLASS_TYPE_SOURCE);
+                       bt_common_component_class_type_string(
+                               BT_COMPONENT_CLASS_TYPE_SOURCE));
                goto error;
        }
 
@@ -1442,6 +1430,7 @@ 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) {
@@ -1718,8 +1707,9 @@ int add_descriptor_to_component_descriptor_set(
        if (!comp_cls) {
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
-                       plugin_name, comp_cls_name, comp_cls_type);
+                       "comp-cls-name=\"%s\", comp-cls-type=%s",
+                       plugin_name, comp_cls_name,
+                       bt_common_component_class_type_string(comp_cls_type));
                status = -1;
                goto end;
        }
@@ -2255,10 +2245,10 @@ int cmd_run_ctx_create_components_from_config_components(
                if (!comp_cls) {
                        BT_CLI_LOGE_APPEND_CAUSE(
                                "Cannot find component class: plugin-name=\"%s\", "
-                               "comp-cls-name=\"%s\", comp-cls-type=%d",
+                               "comp-cls-name=\"%s\", comp-cls-type=%s",
                                cfg_comp->plugin_name->str,
                                cfg_comp->comp_cls_name->str,
-                               cfg_comp->type);
+                               bt_common_component_class_type_string(cfg_comp->type));
                        goto error;
                }
 
@@ -2270,18 +2260,21 @@ 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:
                        bt_common_abort();
@@ -2290,11 +2283,12 @@ int cmd_run_ctx_create_components_from_config_components(
                if (ret) {
                        BT_CLI_LOGE_APPEND_CAUSE(
                                "Cannot create component: plugin-name=\"%s\", "
-                               "comp-cls-name=\"%s\", comp-cls-type=%d, "
+                               "comp-cls-name=\"%s\", comp-cls-type=%s, "
                                "comp-name=\"%s\"",
                                cfg_comp->plugin_name->str,
                                cfg_comp->comp_cls_name->str,
-                               cfg_comp->type, cfg_comp->instance_name->str);
+                               bt_common_component_class_type_string(cfg_comp->type),
+                               cfg_comp->instance_name->str);
                        goto error;
                }
 
@@ -2628,7 +2622,8 @@ end:
 
 int main(int argc, const char **argv)
 {
-       int ret, retcode;
+       int retcode;
+       enum bt_config_cli_args_status cli_args_status;
        enum bt_cmd_status cmd_status;
        struct bt_config *cfg = NULL;
 
@@ -2640,41 +2635,38 @@ int main(int argc, const char **argv)
        the_interrupter = bt_interrupter_create();
        if (!the_interrupter) {
                BT_CLI_LOGE_APPEND_CAUSE("Failed to create an interrupter object.");
-               retcode = 1;
+               retcode = EXIT_FAILURE;
                goto end;
        }
 
-       cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode,
+       cli_args_status = bt_config_cli_args_create_with_default(argc, argv, &cfg,
                the_interrupter);
-
-       if (retcode < 0) {
+       if (cli_args_status == BT_CONFIG_CLI_ARGS_STATUS_INFO_ONLY) {
                /* Quit without errors; typically usage/version */
-               retcode = 0;
+               retcode = EXIT_SUCCESS;
                BT_LOGI_STR("Quitting without errors.");
                goto end;
        }
 
-       if (retcode > 0) {
+       if (cli_args_status == BT_CONFIG_CLI_ARGS_STATUS_ERROR) {
+               retcode = EXIT_FAILURE;
                BT_CLI_LOGE_APPEND_CAUSE(
                        "Command-line error: retcode=%d", retcode);
                goto end;
        }
 
-       if (!cfg) {
-               BT_CLI_LOGE_APPEND_CAUSE(
-                       "Failed to create a valid Babeltrace CLI configuration.");
-               retcode = 1;
-               goto end;
-       }
+       BT_ASSERT(cli_args_status == BT_CONFIG_CLI_ARGS_STATUS_OK);
+       BT_ASSERT(cfg);
 
        print_cfg(cfg);
 
        if (cfg->command_needs_plugins) {
-               ret = require_loaded_plugins(cfg->plugin_paths);
+               int ret = require_loaded_plugins(cfg->plugin_paths);
+
                if (ret) {
                        BT_CLI_LOGE_APPEND_CAUSE(
                                "Failed to load plugins: ret=%d", ret);
-                       retcode = 1;
+                       retcode = EXIT_FAILURE;
                        goto end;
                }
        }
@@ -2712,13 +2704,13 @@ int main(int argc, const char **argv)
 
        switch (cmd_status) {
        case BT_CMD_STATUS_OK:
-               retcode = 0;
+               retcode = EXIT_SUCCESS;
                break;
        case BT_CMD_STATUS_ERROR:
-               retcode = 1;
+               retcode = EXIT_FAILURE;
                break;
        case BT_CMD_STATUS_INTERRUPTED:
-               retcode = 2;
+               retcode = EXIT_INTERRUPTED;
                break;
        default:
                BT_LOGF("Invalid command status: cmd-status=%d", cmd_status);
@@ -2726,7 +2718,7 @@ int main(int argc, const char **argv)
        }
 
 end:
-       if (retcode == 1) {
+       if (retcode == EXIT_FAILURE) {
                print_error_causes();
        }
 
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