#include <stdio.h>
#include "babeltrace-cfg.h"
+static struct bt_component_factory *component_factory;
+
static
const char *component_type_str(enum bt_component_type type)
{
bt_config_component->component_name->str);
printf(" begin timestamp: ");
- if (bt_config_component->begin_ns == -1ULL) {
+ if (!bt_config_component->begin.set) {
printf("not set\n");
} else {
- printf("%" PRIu64 " ns\n", bt_config_component->begin_ns);
+ printf("%" PRIu64 " ns\n", bt_config_component->begin.value_ns);
}
printf(" end timestamp: ");
- if (bt_config_component->end_ns == -1ULL) {
+ if (!bt_config_component->end.set) {
printf("not set\n");
} else {
- printf("%" PRIu64 " ns\n", bt_config_component->end_ns);
+ printf("%" PRIu64 " ns\n", bt_config_component->end.value_ns);
}
printf(" params:\n");
print_bt_config_components(cfg->sinks);
}
+static
+struct bt_component *create_trimmer(struct bt_config_component *source_cfg)
+{
+ struct bt_component *trimmer = NULL;
+ struct bt_component_class *trimmer_class = NULL;
+ struct bt_value *trimmer_params = NULL;
+
+ assert(component_factory);
+ trimmer_params = bt_value_map_create();
+ if (!trimmer_params) {
+ goto end;
+ }
+
+ if (source_cfg->begin.set) {
+ enum bt_value_status ret;
+ struct bt_value *value;
+
+ value = bt_value_integer_create_init(
+ source_cfg->begin.value_ns);
+ if (!value) {
+ goto end;
+ }
+
+ ret = bt_value_map_insert(trimmer_params, "begin_ns_epoch",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
+ }
+ }
+ if (source_cfg->end.set) {
+ enum bt_value_status ret;
+ struct bt_value *value;
+
+ value = bt_value_integer_create_init(
+ source_cfg->end.value_ns);
+ if (!value) {
+ goto end;
+ }
+
+ ret = bt_value_map_insert(trimmer_params, "end_ns_epoch",
+ value);
+ BT_PUT(value);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ trimmer_class = bt_component_factory_get_component_class(
+ component_factory, "utils", BT_COMPONENT_TYPE_FILTER,
+ "trimmer");
+ if (!trimmer_class) {
+ fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
+ goto end;
+ }
+ trimmer = bt_component_create(trimmer_class, "source_trimmer",
+ trimmer_params);
+ if (!trimmer) {
+ goto end;
+ }
+end:
+ bt_put(trimmer_params);
+ bt_put(trimmer_class);
+ return trimmer;
+}
+
+static
+int connect_source_sink(struct bt_component *source,
+ struct bt_config_component *source_cfg,
+ struct bt_component *sink)
+{
+ int ret = 0;
+ enum bt_component_status sink_status;
+ struct bt_component *trimmer = NULL;
+ struct bt_notification_iterator *source_it = NULL;
+ struct bt_notification_iterator *to_sink_it = NULL;
+
+ source_it = bt_component_source_create_iterator(source);
+ if (!source_it) {
+ fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ if (source_cfg->begin.set || source_cfg->begin.set) {
+ /* A trimmer must be inserted in the graph. */
+ enum bt_component_status trimmer_status;
+
+ trimmer = create_trimmer(source_cfg);
+ if (!trimmer) {
+ fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ trimmer_status = bt_component_filter_add_iterator(trimmer,
+ source_it);
+ BT_PUT(source_it);
+ if (trimmer_status != BT_COMPONENT_STATUS_OK) {
+ fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ to_sink_it = bt_component_filter_create_iterator(trimmer);
+ if (!to_sink_it) {
+ fprintf(stderr, "Failed to instantiate trimmer iterator. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ } else {
+ BT_MOVE(to_sink_it, source_it);
+ }
+
+ sink_status = bt_component_sink_add_iterator(sink, to_sink_it);
+ if (sink_status != BT_COMPONENT_STATUS_OK) {
+ fprintf(stderr, "Failed to connect to sink component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+end:
+ bt_put(trimmer);
+ bt_put(source_it);
+ bt_put(to_sink_it);
+ return ret;
+}
+
int main(int argc, char **argv)
{
int ret;
- struct bt_component_factory *component_factory = NULL;
struct bt_component_class *source_class = NULL;
struct bt_component_class *sink_class = NULL;
struct bt_component *source = NULL, *sink = NULL;
struct bt_value *source_params = NULL, *sink_params = NULL;
struct bt_config *cfg;
- struct bt_notification_iterator *it = NULL;
enum bt_component_status sink_status;
struct bt_value *first_plugin_path_value = NULL;
const char *first_plugin_path;
goto end;
}
- it = bt_component_source_create_iterator(source);
- if (!it) {
- fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- sink_status = bt_component_sink_add_iterator(sink, it);
- if (sink_status != BT_COMPONENT_STATUS_OK) {
- ret = -1;
+ ret = connect_source_sink(source, source_cfg, sink);
+ if (ret) {
goto end;
}
BT_PUT(sink);
BT_PUT(source_params);
BT_PUT(sink_params);
- BT_PUT(it);
BT_PUT(cfg);
BT_PUT(first_plugin_path_value);
BT_PUT(sink_cfg);