babeltrace(1): support -o metadata legacy option

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 85851ceb0b989a4e87273e86fcac10514504597d..c94bf9675a59a49bc49cf86ea20e9593eca7cdea 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -293,6 +293,8 @@ void print_cfg_convert(struct bt_config *cfg)
        printf("  Force correlate: %s\n",
                cfg->cmd_data.convert.force_correlate ? "yes" : "no");
        print_plugin_paths(cfg->cmd_data.convert.plugin_paths);
+       printf("  Print CTF metadata: %s\n",
+               cfg->cmd_data.convert.print_ctf_metadata ? "yes" : "no");
        printf("  Source component instances:\n");
        print_bt_config_components(cfg->cmd_data.convert.sources);
 
@@ -921,6 +923,86 @@ end:
        return ret;
 }
 
+static int print_ctf_metadata(struct bt_config *cfg)
+{
+       int ret = 0;
+       struct bt_component_class *comp_cls = NULL;
+       struct bt_config_component *source_cfg = NULL;
+       struct bt_value *results = NULL;
+       struct bt_value *path = NULL;
+       struct bt_value *params = NULL;
+       struct bt_value *metadata_text_value = NULL;
+       const char *metadata_text = NULL;
+
+       assert(cfg->cmd_data.convert.sources->len == 1);
+       source_cfg = bt_config_get_component(cfg->cmd_data.convert.sources, 0);
+       assert(source_cfg);
+       comp_cls = find_component_class(source_cfg->plugin_name->str,
+                       source_cfg->component_name->str,
+                       source_cfg->type);
+       if (!comp_cls) {
+               fprintf(stderr, "%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,
+                       source_cfg->plugin_name->str,
+                       source_cfg->component_name->str,
+                       source_cfg->type);
+               fprintf(stderr, "\n");
+               ret = -1;
+               goto end;
+       }
+
+       path = bt_value_map_get(source_cfg->params, "path");
+       if (!path) {
+               ret = -1;
+               goto end;
+       }
+
+       params = bt_value_map_create();
+       if (!params) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_value_map_insert(params, "path", path);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       results = bt_component_class_query_info(comp_cls, "get-metadata-info",
+               params);
+       if (!results) {
+               ret = -1;
+               fprintf(stderr, "%s%sFailed to get metadata info%s\n",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               goto end;
+       }
+
+       metadata_text_value = bt_value_map_get(results, "text");
+       if (!metadata_text_value) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_value_string_get(metadata_text_value, &metadata_text);
+       assert(ret == 0);
+       printf("%s\n", metadata_text);
+
+end:
+       bt_put(results);
+       bt_put(path);
+       bt_put(params);
+       bt_put(metadata_text_value);
+       bt_put(comp_cls);
+       bt_put(source_cfg);
+       return 0;
+}
+
 static int cmd_convert(struct bt_config *cfg)
 {
        int ret = 0;
@@ -931,6 +1013,17 @@ static int cmd_convert(struct bt_config *cfg)
        enum bt_component_status sink_status;
        struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
 
+       ret = load_all_plugins(cfg->cmd_data.convert.plugin_paths);
+       if (ret) {
+               fprintf(stderr, "Could not load plugins from configured plugin paths. Aborting...\n");
+               goto end;
+       }
+
+       if (cfg->cmd_data.convert.print_ctf_metadata) {
+               ret = print_ctf_metadata(cfg);
+               goto end;
+       }
+
        /* TODO handle more than 1 source and 1 sink. */
        if (cfg->cmd_data.convert.sources->len != 1 ||
                        cfg->cmd_data.convert.sinks->len != 1) {
@@ -939,12 +1032,6 @@ static int cmd_convert(struct bt_config *cfg)
                goto end;
        }
 
-       ret = load_all_plugins(cfg->cmd_data.convert.plugin_paths);
-       if (ret) {
-               fprintf(stderr, "Could not load plugins from configured plugin paths. Aborting...\n");
-               goto end;
-       }
-
        source_cfg = bt_config_get_component(cfg->cmd_data.convert.sources, 0);
        source_params = bt_get(source_cfg->params);
        source_class = find_component_class(source_cfg->plugin_name->str,