lib: make can_seek_ns_from_origin logic use `can_seek_forward` property of iterator
[babeltrace.git] / src / plugins / ctf / fs-src / fs.c
index 2c0d86ad77f69cfd9a0a6f449645016c6fe6bb65..08d2acfb9581286724199b56c430a6a40c58bd63 100644 (file)
@@ -248,15 +248,16 @@ void ctf_fs_iterator_finalize(bt_self_message_iterator *it)
 }
 
 BT_HIDDEN
-bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init(
+bt_component_class_message_iterator_initialize_method_status ctf_fs_iterator_init(
                bt_self_message_iterator *self_msg_iter,
+               bt_self_message_iterator_configuration *config,
                bt_self_component_source *self_comp_src,
                bt_self_component_port_output *self_port)
 {
        struct ctf_fs_port_data *port_data;
        struct ctf_fs_msg_iter_data *msg_iter_data = NULL;
-       bt_component_class_message_iterator_init_method_status ret =
-               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK;
+       bt_component_class_message_iterator_initialize_method_status ret =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
        bt_logging_level log_level;
        bt_self_component *self_comp =
                bt_self_component_source_as_self_component(self_comp_src);
@@ -268,7 +269,7 @@ bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init(
        log_level = port_data->ctf_fs->log_level;
        msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1);
        if (!msg_iter_data) {
-               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR;
+               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
                goto error;
        }
 
@@ -282,22 +283,30 @@ bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init(
                self_comp);
        if (!msg_iter_data->msg_iter) {
                BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create a CTF message iterator.");
-               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR;
+               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
                goto error;
        }
 
        msg_iter_data->ds_file_group = port_data->ds_file_group;
        if (ctf_fs_iterator_reset(msg_iter_data)) {
-               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR;
+               ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
                goto error;
        }
 
+       /*
+        * This iterator can seek forward if its stream class has a default
+        * clock class.
+        */
+       if (msg_iter_data->ds_file_group->sc->default_clock_class) {
+               bt_self_message_iterator_configuration_set_can_seek_forward(
+                       config, true);
+       }
+
        bt_self_message_iterator_set_data(self_msg_iter,
                msg_iter_data);
-       if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK) {
+       if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK) {
                goto error;
        }
-
        msg_iter_data = NULL;
        goto end;
 
@@ -309,6 +318,31 @@ end:
        return ret;
 }
 
+static
+void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
+{
+       if (!ctf_fs_trace) {
+               return;
+       }
+
+       if (ctf_fs_trace->ds_file_groups) {
+               g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
+       }
+
+       BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace);
+
+       if (ctf_fs_trace->path) {
+               g_string_free(ctf_fs_trace->path, TRUE);
+       }
+
+       if (ctf_fs_trace->metadata) {
+               ctf_fs_metadata_fini(ctf_fs_trace->metadata);
+               g_free(ctf_fs_trace->metadata);
+       }
+
+       g_free(ctf_fs_trace);
+}
+
 BT_HIDDEN
 void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
 {
@@ -316,9 +350,7 @@ void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
                return;
        }
 
-       if (ctf_fs->traces) {
-               g_ptr_array_free(ctf_fs->traces, TRUE);
-       }
+       ctf_fs_trace_destroy(ctf_fs->trace);
 
        if (ctf_fs->port_data) {
                g_ptr_array_free(ctf_fs->port_data, TRUE);
@@ -342,31 +374,6 @@ void port_data_destroy_notifier(void *data) {
        port_data_destroy(data);
 }
 
-static
-void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
-{
-       if (!ctf_fs_trace) {
-               return;
-       }
-
-       if (ctf_fs_trace->ds_file_groups) {
-               g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
-       }
-
-       BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace);
-
-       if (ctf_fs_trace->path) {
-               g_string_free(ctf_fs_trace->path, TRUE);
-       }
-
-       if (ctf_fs_trace->metadata) {
-               ctf_fs_metadata_fini(ctf_fs_trace->metadata);
-               g_free(ctf_fs_trace->metadata);
-       }
-
-       g_free(ctf_fs_trace);
-}
-
 static
 void ctf_fs_trace_destroy_notifier(void *data)
 {
@@ -391,12 +398,6 @@ struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level,
                goto error;
        }
 
-       ctf_fs->traces =
-               g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier);
-       if (!ctf_fs->traces) {
-               goto error;
-       }
-
        goto end;
 
 error:
@@ -1099,12 +1100,14 @@ end:
        return ret;
 }
 
-/* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path. */
+/* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */
 
 static
-int ctf_fs_component_create_ctf_fs_traces_one_path(
+int ctf_fs_component_create_ctf_fs_trace_one_path(
                struct ctf_fs_component *ctf_fs,
                const char *path_param,
+               const char *trace_name,
+               GPtrArray *traces,
                bt_self_component *self_comp,
                bt_self_component_class *self_comp_class)
 {
@@ -1140,14 +1143,14 @@ int ctf_fs_component_create_ctf_fs_traces_one_path(
        }
 
        ctf_fs_trace = ctf_fs_trace_create(self_comp, norm_path->str,
-               norm_path->str, &ctf_fs->metadata_config, log_level);
+               trace_name, &ctf_fs->metadata_config, log_level);
        if (!ctf_fs_trace) {
                BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create trace for `%s`.",
                        norm_path->str);
                goto error;
        }
 
-       g_ptr_array_add(ctf_fs->traces, ctf_fs_trace);
+       g_ptr_array_add(traces, ctf_fs_trace);
        ctf_fs_trace = NULL;
 
        ret = 0;
@@ -1164,32 +1167,6 @@ end:
        return ret;
 }
 
-/* GCompareFunc to sort traces by UUID. */
-
-static
-gint sort_traces_by_uuid(gconstpointer a, gconstpointer b)
-{
-       const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a);
-       const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b);
-
-       bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set;
-       bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set;
-       gint ret;
-
-       /* Order traces without uuid first. */
-       if (!trace_a_has_uuid && trace_b_has_uuid) {
-               ret = -1;
-       } else if (trace_a_has_uuid && !trace_b_has_uuid) {
-               ret = 1;
-       } else if (!trace_a_has_uuid && !trace_b_has_uuid) {
-               ret = 0;
-       } else {
-               ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid);
-       }
-
-       return ret;
-}
-
 /*
  * Count the number of stream and event classes defined by this trace's metadata.
  *
@@ -1351,17 +1328,19 @@ end:
  */
 
 static
-int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces)
+int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces,
+               struct ctf_fs_trace **out_trace)
 {
        unsigned int winner_count;
        struct ctf_fs_trace *winner;
-       guint i;
+       guint i, winner_i;
        int ret = 0;
 
        BT_ASSERT(num_traces >= 2);
 
        winner_count = metadata_count_stream_and_event_classes(traces[0]);
        winner = traces[0];
+       winner_i = 0;
 
        /* Find the trace with the largest metadata. */
        for (i = 1; i < num_traces; i++) {
@@ -1378,6 +1357,7 @@ int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces)
                if (candidate_count > winner_count) {
                        winner_count = candidate_count;
                        winner = candidate;
+                       winner_i = i;
                }
        }
 
@@ -1395,76 +1375,13 @@ int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces)
                if (ret) {
                        goto end;
                }
-
-               /* Free the trace that got merged into winner, clear the slot in the array. */
-               ctf_fs_trace_destroy(trace);
-               traces[i] = NULL;
-       }
-
-end:
-       return ret;
-}
-
-/*
- * Merge all traces of `ctf_fs` that share the same UUID in a single trace.
- * Traces with no UUID are not merged.
- */
-
-static
-int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs)
-{
-       GPtrArray *traces = ctf_fs->traces;
-       guint range_start_idx = 0;
-       unsigned int num_traces = 0;
-       guint i;
-       int ret = 0;
-
-       /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */
-       g_ptr_array_sort(traces, sort_traces_by_uuid);
-
-       /* Find ranges of consecutive traces that share the same UUID.  */
-       while (range_start_idx < traces->len) {
-               guint range_len;
-               struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx);
-
-               /* Exclusive end of range. */
-               guint range_end_exc_idx = range_start_idx + 1;
-
-               while (range_end_exc_idx < traces->len) {
-                       struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx);
-
-                       if (!range_start_trace->metadata->tc->is_uuid_set ||
-                               (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) {
-                               break;
-                       }
-
-                       range_end_exc_idx++;
-               }
-
-               /* If we have two or more traces with matching UUIDs, merge them. */
-               range_len = range_end_exc_idx - range_start_idx;
-               if (range_len > 1) {
-                       struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx];
-                       ret = merge_ctf_fs_traces(range_start, range_len);
-                       if (ret) {
-                               goto end;
-                       }
-               }
-
-               num_traces++;
-               range_start_idx = range_end_exc_idx;
        }
 
-       /* Clear any NULL slot (traces that got merged in another one) in the array.  */
-       for (i = 0; i < traces->len;) {
-               if (!g_ptr_array_index(traces, i)) {
-                       g_ptr_array_remove_index_fast(traces, i);
-               } else {
-                       i++;
-               }
-       }
-
-       BT_ASSERT(num_traces == traces->len);
+       /*
+        * Move the winner out of the array, into `*out_trace`.
+        */
+       *out_trace = winner;
+       traces[winner_i] = NULL;
 
 end:
        return ret;
@@ -2004,98 +1921,167 @@ int fix_packet_index_tracer_bugs(struct ctf_fs_component *ctf_fs,
                bt_self_component *self_comp)
 {
        int ret = 0;
-       guint trace_i;
        struct tracer_info current_tracer_info;
-       GPtrArray *traces = ctf_fs->traces;
        bt_logging_level log_level = ctf_fs->log_level;
 
-       /*
-        * Iterate over all the traces of this component and check for
-        * possible indexing bugs.
-        */
-       for (trace_i = 0; trace_i < traces->len; trace_i++) {
-               struct ctf_fs_trace *trace = g_ptr_array_index(traces,
-                       trace_i);
+       ret = extract_tracer_info(ctf_fs->trace, &current_tracer_info);
+       if (ret) {
+               /*
+                * A trace may not have all the necessary environment
+                * entries to do the tracer version comparison.
+                * At least, the tracer name and major version number
+                * are needed. Failing to extract these entries is not
+                * an error.
+                */
+               ret = 0;
+               BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
+               goto end;;
+       }
 
-               ret = extract_tracer_info(trace, &current_tracer_info);
+       /* Check if the trace may be affected by old tracer bugs. */
+       if (is_tracer_affected_by_lttng_event_after_packet_bug(
+                       &current_tracer_info)) {
+               BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
+               ret = fix_index_lttng_event_after_packet_bug(ctf_fs->trace);
                if (ret) {
-                       /*
-                        * A trace may not have all the necessary environment
-                        * entries to do the tracer version comparison.
-                        * At least, the tracer name and major version number
-                        * are needed. Failing to extract these entries is not
-                        * an error.
-                        */
-                       ret = 0;
-                       BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
-                       continue;
-               }
-
-               /* Check if the trace may be affected by old tracer bugs. */
-               if (is_tracer_affected_by_lttng_event_after_packet_bug(
-                               &current_tracer_info)) {
-                       BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
-                       ret = fix_index_lttng_event_after_packet_bug(trace);
-                       if (ret) {
-                               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
-                                       "Failed to fix LTTng event-after-packet bug.");
-                               goto end;
-                       }
-                       trace->metadata->tc->quirks.lttng_event_after_packet = true;
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                               "Failed to fix LTTng event-after-packet bug.");
+                       goto end;
                }
+               ctf_fs->trace->metadata->tc->quirks.lttng_event_after_packet = true;
+       }
 
-               if (is_tracer_affected_by_barectf_event_before_packet_bug(
-                               &current_tracer_info)) {
-                       BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
-                       ret = fix_index_barectf_event_before_packet_bug(trace);
-                       if (ret) {
-                               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
-                                       "Failed to fix barectf event-before-packet bug.");
-                               goto end;
-                       }
-                       trace->metadata->tc->quirks.barectf_event_before_packet = true;
+       if (is_tracer_affected_by_barectf_event_before_packet_bug(
+                       &current_tracer_info)) {
+               BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
+               ret = fix_index_barectf_event_before_packet_bug(ctf_fs->trace);
+               if (ret) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                               "Failed to fix barectf event-before-packet bug.");
+                       goto end;
                }
+               ctf_fs->trace->metadata->tc->quirks.barectf_event_before_packet = true;
+       }
 
-               if (is_tracer_affected_by_lttng_crash_quirk(
-                               &current_tracer_info)) {
-                       ret = fix_index_lttng_crash_quirk(trace);
-                       if (ret) {
-                               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
-                                       "Failed to fix lttng-crash timestamp quirks.");
-                               goto end;
-                       }
-                       trace->metadata->tc->quirks.lttng_crash = true;
+       if (is_tracer_affected_by_lttng_crash_quirk(
+                       &current_tracer_info)) {
+               ret = fix_index_lttng_crash_quirk(ctf_fs->trace);
+               if (ret) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                               "Failed to fix lttng-crash timestamp quirks.");
+                       goto end;
                }
+               ctf_fs->trace->metadata->tc->quirks.lttng_crash = true;
        }
+
 end:
        return ret;
 }
 
-int ctf_fs_component_create_ctf_fs_traces(
+static
+gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b)
+{
+       struct ctf_fs_ds_file_group * const *ds_file_group_a = a;
+       struct ctf_fs_ds_file_group * const *ds_file_group_b = b;
+       const struct ctf_fs_ds_file_info *first_ds_file_info_a;
+       const struct ctf_fs_ds_file_info *first_ds_file_info_b;
+
+       BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0);
+       BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0);
+       first_ds_file_info_a = (*ds_file_group_a)->ds_file_infos->pdata[0];
+       first_ds_file_info_b = (*ds_file_group_b)->ds_file_infos->pdata[0];
+       return strcmp(first_ds_file_info_a->path->str,
+               first_ds_file_info_b->path->str);
+}
+
+int ctf_fs_component_create_ctf_fs_trace(
                struct ctf_fs_component *ctf_fs,
                const bt_value *paths_value,
+               const bt_value *trace_name_value,
                bt_self_component *self_comp,
                bt_self_component_class *self_comp_class)
 {
        int ret = 0;
        uint64_t i;
        bt_logging_level log_level = ctf_fs->log_level;
+       GPtrArray *traces;
+       const char *trace_name;
+
+       BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY);
+       BT_ASSERT(!bt_value_array_is_empty(paths_value));
 
+       traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier);
+       if (!traces) {
+               BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                       "Failed to allocate a GPtrArray.");
+               goto error;
+       }
+
+       trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL;
+
+       /* Start by creating a separate ctf_fs_trace object for each path. */
        for (i = 0; i < bt_value_array_get_length(paths_value); i++) {
                const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i);
                const char *input = bt_value_string_get(path_value);
 
-               ret = ctf_fs_component_create_ctf_fs_traces_one_path(ctf_fs,
-                       input, self_comp, self_comp_class);
+               ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs,
+                       input, trace_name, traces, self_comp, self_comp_class);
                if (ret) {
                        goto end;
                }
        }
 
-       ret = merge_traces_with_same_uuid(ctf_fs);
-       if (ret) {
-               BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
-                       "Failed to merge traces with the same UUID.");
+       if (traces->len > 1) {
+               struct ctf_fs_trace *first_trace = (struct ctf_fs_trace *) traces->pdata[0];
+               const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid;
+               struct ctf_fs_trace *trace;
+
+               /*
+                * We have more than one trace, they must all share the same
+                * UUID, verify that.
+                */
+               for (i = 0; i < traces->len; i++) {
+                       struct ctf_fs_trace *this_trace =
+                               (struct ctf_fs_trace *) traces->pdata[i];
+                       const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid;
+
+                       if (!this_trace->metadata->tc->is_uuid_set) {
+                               BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                                       "Multiple traces given, but a trace does not have a UUID: path=%s",
+                                       this_trace->path->str);
+                               goto error;
+                       }
+
+                       if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) {
+                               char first_trace_uuid_str[BT_UUID_STR_LEN + 1];
+                               char this_trace_uuid_str[BT_UUID_STR_LEN + 1];
+
+                               bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str);
+                               bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str);
+
+                               BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                                       "Multiple traces given, but UUIDs don't match: "
+                                       "first-trace-uuid=%s, first-trace-path=%s, "
+                                       "trace-uuid=%s, trace-path=%s",
+                                       first_trace_uuid_str, first_trace->path->str,
+                                       this_trace_uuid_str, this_trace->path->str);
+                               goto error;
+                       }
+               }
+
+               ret = merge_ctf_fs_traces((struct ctf_fs_trace **) traces->pdata,
+                       traces->len, &trace);
+               if (ret) {
+                       BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                               "Failed to merge traces with the same UUID.");
+                       goto error;
+               }
+
+               ctf_fs->trace = trace;
+       } else {
+               /* Just one trace, it may or may not have a UUID, both are fine. */
+               ctf_fs->trace = traces->pdata[0];
+               traces->pdata[0] = NULL;
        }
 
        ret = fix_packet_index_tracer_bugs(ctf_fs, self_comp);
@@ -2103,7 +2089,27 @@ int ctf_fs_component_create_ctf_fs_traces(
                BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
                        "Failed to fix packet index tracer bugs.");
        }
+
+       /*
+        * Sort data stream file groups by first data stream file info
+        * path to get a deterministic order. This order influences the
+        * order of the output ports. It also influences the order of
+        * the automatic stream IDs if the trace's packet headers do not
+        * contain a `stream_instance_id` field, in which case the data
+        * stream file to stream ID association is always the same,
+        * whatever the build and the system.
+        *
+        * Having a deterministic order here can help debugging and
+        * testing.
+        */
+       g_ptr_array_sort(ctf_fs->trace->ds_file_groups,
+               compare_ds_file_groups_by_first_path);
+       goto end;
+error:
+       ret = -1;
+
 end:
+       g_ptr_array_free(traces, TRUE);
        return ret;
 }
 
@@ -2237,6 +2243,12 @@ bool validate_inputs_parameter(struct ctf_fs_component *ctf_fs,
                goto error;
        }
 
+       if (bt_value_array_is_empty(inputs)) {
+               BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp,
+                       self_comp_class, "`inputs` parameter must not be empty");
+               goto error;
+       }
+
        for (i = 0; i < bt_value_array_get_length(inputs); i++) {
                const bt_value *elem;
 
@@ -2261,7 +2273,9 @@ end:
 }
 
 bool read_src_fs_parameters(const bt_value *params,
-               const bt_value **inputs, struct ctf_fs_component *ctf_fs,
+               const bt_value **inputs,
+               const bt_value **trace_name,
+               struct ctf_fs_component *ctf_fs,
                bt_self_component *self_comp,
                bt_self_component_class *self_comp_class) {
        bool ret;
@@ -2300,6 +2314,29 @@ bool read_src_fs_parameters(const bt_value *params,
                        bt_value_integer_signed_get(value);
        }
 
+       /* force-clock-class-origin-unix-epoch parameter */
+       value = bt_value_map_borrow_entry_value_const(params,
+               "force-clock-class-origin-unix-epoch");
+       if (value) {
+               if (!bt_value_is_bool(value)) {
+                       BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                               "force-clock-class-origin-unix-epoch must be a boolean");
+                       goto error;
+               }
+
+               ctf_fs->metadata_config.force_clock_class_origin_unix_epoch =
+                       bt_value_bool_get(value);
+       }
+
+       /* trace-name parameter */
+       *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name");
+       if (*trace_name) {
+               if (!bt_value_is_string(*trace_name)) {
+                       BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+                               "trace-name must be a string");
+                       goto error;
+               }
+       }
 
        ret = true;
        goto end;
@@ -2318,8 +2355,8 @@ struct ctf_fs_component *ctf_fs_create(
        bt_self_component_class *self_comp_class)
 {
        struct ctf_fs_component *ctf_fs = NULL;
-       guint i;
        const bt_value *inputs_value;
+       const bt_value *trace_name_value;
        bt_self_component *self_comp =
                bt_self_component_source_as_self_component(self_comp_src);
 
@@ -2329,28 +2366,24 @@ struct ctf_fs_component *ctf_fs_create(
                goto error;
        }
 
-       if (!read_src_fs_parameters(params, &inputs_value, ctf_fs,
-                       self_comp, self_comp_class)) {
+       if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value,
+                       ctf_fs, self_comp, self_comp_class)) {
                goto error;
        }
 
        bt_self_component_set_data(self_comp, ctf_fs);
 
-       if (ctf_fs_component_create_ctf_fs_traces(ctf_fs, inputs_value,
-                       self_comp, self_comp_class)) {
+       if (ctf_fs_component_create_ctf_fs_trace(ctf_fs, inputs_value,
+                       trace_name_value, self_comp, self_comp_class)) {
                goto error;
        }
 
-       for (i = 0; i < ctf_fs->traces->len; i++) {
-               struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i);
-
-               if (create_streams_for_trace(trace)) {
-                       goto error;
-               }
+       if (create_streams_for_trace(ctf_fs->trace)) {
+               goto error;
+       }
 
-               if (create_ports_for_trace(ctf_fs, trace, self_comp_src)) {
-                       goto error;
-               }
+       if (create_ports_for_trace(ctf_fs, ctf_fs->trace, self_comp_src)) {
+               goto error;
        }
 
        goto end;
@@ -2365,17 +2398,18 @@ end:
 }
 
 BT_HIDDEN
-bt_component_class_init_method_status ctf_fs_init(
+bt_component_class_initialize_method_status ctf_fs_init(
                bt_self_component_source *self_comp_src,
+               bt_self_component_source_configuration *config,
                const bt_value *params, __attribute__((unused)) void *init_method_data)
 {
        struct ctf_fs_component *ctf_fs;
-       bt_component_class_init_method_status ret =
-               BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
+       bt_component_class_initialize_method_status ret =
+               BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
 
        ctf_fs = ctf_fs_create(params, self_comp_src, NULL);
        if (!ctf_fs) {
-               ret = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
+               ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
        }
 
        return ret;
@@ -2398,8 +2432,8 @@ bt_component_class_query_method_status ctf_fs_query(
        if (strcmp(object, "metadata-info") == 0) {
                status = metadata_info_query(comp_class, params, log_level,
                        result);
-       } else if (strcmp(object, "babeltrace.trace-info") == 0) {
-               status = trace_info_query(comp_class, params, log_level,
+       } else if (strcmp(object, "babeltrace.trace-infos") == 0) {
+               status = trace_infos_query(comp_class, params, log_level,
                        result);
        } else if (!strcmp(object, "babeltrace.support-info")) {
                status = support_info_query(comp_class, params, log_level, result);
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