Make API CTF-agnostic
[babeltrace.git] / plugins / ctf / fs-src / fs.c
index 59a7bcab592000f46a80bc3b0b09a9cbdf772286..fa341ea1e02b6e8a10f32614240f62dbcd8a21c5 100644 (file)
@@ -258,7 +258,7 @@ enum bt_notification_iterator_status ctf_fs_iterator_init(
 
        notif_iter_data->pc_notif_iter = it;
        notif_iter_data->notif_iter = bt_notif_iter_create(
-               port_data->ds_file_group->ctf_fs_trace->metadata->trace,
+               port_data->ds_file_group->ctf_fs_trace->metadata->tc,
                bt_common_get_page_size() * 8,
                ctf_fs_ds_file_medops, NULL);
        if (!notif_iter_data->notif_iter) {
@@ -332,7 +332,6 @@ void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
                g_free(ctf_fs_trace->metadata);
        }
 
-       bt_put(ctf_fs_trace->cc_prio_map);
        g_free(ctf_fs_trace);
 }
 
@@ -456,83 +455,6 @@ end:
        return ret;
 }
 
-static
-uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace,
-               struct bt_field *packet_header_field)
-{
-       struct bt_field *stream_instance_id_field = NULL;
-       uint64_t stream_instance_id = -1ULL;
-       int ret;
-
-       if (!packet_header_field) {
-               goto end;
-       }
-
-       stream_instance_id_field = bt_field_structure_borrow_field_by_name(
-               packet_header_field, "stream_instance_id");
-       if (!stream_instance_id_field) {
-               goto end;
-       }
-
-       ret = bt_field_integer_unsigned_get_value(stream_instance_id_field,
-               &stream_instance_id);
-       if (ret) {
-               stream_instance_id = -1ULL;
-               goto end;
-       }
-
-end:
-       return stream_instance_id;
-}
-
-uint64_t get_packet_context_timestamp_begin_ns(
-               struct ctf_fs_trace *ctf_fs_trace,
-               struct bt_field *packet_context_field)
-{
-       int ret;
-       struct bt_field *timestamp_begin_field = NULL;
-       struct bt_field_type *timestamp_begin_ft = NULL;
-       uint64_t timestamp_begin_raw_value = -1ULL;
-       uint64_t timestamp_begin_ns = -1ULL;
-       int64_t timestamp_begin_ns_signed;
-       struct bt_clock_class *timestamp_begin_clock_class = NULL;
-
-       if (!packet_context_field) {
-               goto end;
-       }
-
-       timestamp_begin_field = bt_field_structure_borrow_field_by_name(
-               packet_context_field, "timestamp_begin");
-       if (!timestamp_begin_field) {
-               goto end;
-       }
-
-       timestamp_begin_ft = bt_field_borrow_type(timestamp_begin_field);
-       BT_ASSERT(timestamp_begin_ft);
-       timestamp_begin_clock_class =
-               bt_field_type_integer_borrow_mapped_clock_class(timestamp_begin_ft);
-       if (!timestamp_begin_clock_class) {
-               goto end;
-       }
-
-       ret = bt_field_integer_unsigned_get_value(timestamp_begin_field,
-               &timestamp_begin_raw_value);
-       if (ret) {
-               goto end;
-       }
-
-       ret = bt_clock_class_cycles_to_ns(timestamp_begin_clock_class,
-               timestamp_begin_raw_value, &timestamp_begin_ns_signed);
-       if (ret) {
-               goto end;
-       }
-
-       timestamp_begin_ns = (uint64_t) timestamp_begin_ns_signed;
-
-end:
-       return timestamp_begin_ns;
-}
-
 static
 void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info)
 {
@@ -550,7 +472,7 @@ void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info)
 
 static
 struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path,
-               uint64_t begin_ns, struct ctf_fs_ds_index *index)
+               int64_t begin_ns, struct ctf_fs_ds_index *index)
 {
        struct ctf_fs_ds_file_info *ds_file_info;
 
@@ -647,7 +569,7 @@ void array_insert(GPtrArray *array, gpointer element, size_t pos)
 static
 int ctf_fs_ds_file_group_add_ds_file_info(
                struct ctf_fs_ds_file_group *ds_file_group,
-               const char *path, uint64_t begin_ns,
+               const char *path, int64_t begin_ns,
                struct ctf_fs_ds_index *index)
 {
        struct ctf_fs_ds_file_info *ds_file_info;
@@ -687,11 +609,9 @@ static
 int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
                struct bt_graph *graph, const char *path)
 {
-       struct bt_field *packet_header_field = NULL;
-       struct bt_field *packet_context_field = NULL;
        struct bt_stream_class *stream_class = NULL;
-       uint64_t stream_instance_id = -1ULL;
-       uint64_t begin_ns = -1ULL;
+       int64_t stream_instance_id = -1;
+       int64_t begin_ns = -1;
        struct ctf_fs_ds_file_group *ds_file_group = NULL;
        bool add_group = false;
        int ret;
@@ -699,8 +619,10 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
        struct ctf_fs_ds_file *ds_file = NULL;
        struct ctf_fs_ds_index *index = NULL;
        struct bt_notif_iter *notif_iter = NULL;
+       struct ctf_stream_class *sc = NULL;
+       struct bt_notif_iter_packet_properties props;
 
-       notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->trace,
+       notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->tc,
                bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL);
        if (!notif_iter) {
                BT_LOGE_STR("Cannot create a CTF notification iterator.");
@@ -714,21 +636,32 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
        }
 
        ret = ctf_fs_ds_file_borrow_packet_header_context_fields(ds_file,
-               &packet_header_field, &packet_context_field);
+               NULL, NULL);
        if (ret) {
                BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).",
                        path);
                goto error;
        }
 
-       stream_instance_id = get_packet_header_stream_instance_id(ctf_fs_trace,
-               packet_header_field);
-       begin_ns = get_packet_context_timestamp_begin_ns(ctf_fs_trace,
-               packet_context_field);
-       stream_class = ctf_utils_borrow_stream_class_from_packet_header(
-               ctf_fs_trace->metadata->trace, packet_header_field);
-       if (!stream_class) {
-               goto error;
+       ret = bt_notif_iter_get_packet_properties(ds_file->notif_iter, &props);
+       BT_ASSERT(ret == 0);
+       sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
+               props.stream_class_id);
+       BT_ASSERT(sc);
+       stream_class = sc->ir_sc;
+       BT_ASSERT(stream_class);
+       stream_instance_id = props.data_stream_id;
+
+       if (props.snapshots.beginning_clock != UINT64_C(-1)) {
+               BT_ASSERT(sc->default_clock_class);
+               ret = bt_clock_class_cycles_to_ns_from_origin(
+                       sc->default_clock_class,
+                       props.snapshots.beginning_clock, &begin_ns);
+               if (ret) {
+                       BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).",
+                               path);
+                       goto error;
+               }
        }
 
        index = ctf_fs_ds_file_build_index(ds_file);
@@ -737,16 +670,16 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
                        ds_file->file->path->str);
        }
 
-       if (begin_ns == -1ULL) {
+       if (begin_ns == -1) {
                /*
                 * No beggining timestamp to sort the stream files
                 * within a stream file group, so consider that this
                 * file must be the only one within its group.
                 */
-               stream_instance_id = -1ULL;
+               stream_instance_id = -1;
        }
 
-       if (stream_instance_id == -1ULL) {
+       if (stream_instance_id == -1) {
                /*
                 * No stream instance ID or no beginning timestamp:
                 * create a unique stream file group for this stream
@@ -772,8 +705,8 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
                goto end;
        }
 
-       BT_ASSERT(stream_instance_id != -1ULL);
-       BT_ASSERT(begin_ns != -1ULL);
+       BT_ASSERT(stream_instance_id != -1);
+       BT_ASSERT(begin_ns != -1);
 
        /* Find an existing stream file group with this ID */
        for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
@@ -922,27 +855,37 @@ int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace,
                        goto error;
                }
 
-               if (ds_file_group->stream_id == -1ULL) {
+               if (ds_file_group->stream_id == UINT64_C(-1)) {
                        /* No stream ID: use 0 */
-                       ds_file_group->stream = bt_stream_create(
-                               ds_file_group->stream_class, name->str,
+                       ds_file_group->stream = bt_stream_create_with_id(
+                               ds_file_group->stream_class,
                                ctf_fs_trace->next_stream_id);
                        ctf_fs_trace->next_stream_id++;
                } else {
                        /* Specific stream ID */
-                       ds_file_group->stream = bt_stream_create(
-                               ds_file_group->stream_class, name->str,
-                               ds_file_group->stream_id);
+                       ds_file_group->stream = bt_stream_create_with_id(
+                               ds_file_group->stream_class,
+                               (uint64_t) ds_file_group->stream_id);
                }
 
-               g_string_free(name, TRUE);
-
                if (!ds_file_group->stream) {
                        BT_LOGE("Cannot create stream for DS file group: "
                                "addr=%p, stream-name=\"%s\"",
                                ds_file_group, name->str);
+                       g_string_free(name, TRUE);
+                       goto error;
+               }
+
+               ret = bt_stream_set_name(ds_file_group->stream, name->str);
+               if (ret) {
+                       BT_LOGE("Cannot set stream's name: "
+                               "addr=%p, stream-name=\"%s\"",
+                               ds_file_group->stream, name->str);
+                       g_string_free(name, TRUE);
                        goto error;
                }
+
+               g_string_free(name, TRUE);
        }
 
        goto end;
@@ -991,6 +934,7 @@ struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name,
                goto error;
        }
 
+       ctf_fs_metadata_init(ctf_fs_trace->metadata);
        ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func(
                (GDestroyNotify) ctf_fs_ds_file_group_destroy);
        if (!ctf_fs_trace->ds_file_groups) {
@@ -1012,13 +956,14 @@ struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name,
         * trace needs. There won't be any more. Therefore it is safe to
         * make this trace static.
         */
-       (void) bt_trace_set_is_static(ctf_fs_trace->metadata->trace);
+       (void) bt_trace_make_static(ctf_fs_trace->metadata->trace);
 
        goto end;
 
 error:
        ctf_fs_trace_destroy(ctf_fs_trace);
        ctf_fs_trace = NULL;
+
 end:
        return ctf_fs_trace;
 }
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