static
void bt_ctf_stream_destroy(struct bt_ctf_ref *ref);
static
-void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref);
-static
-int init_event_header(struct bt_ctf_stream_class *stream_class,
- enum bt_ctf_byte_order byte_order);
-static
-int init_packet_context(struct bt_ctf_stream_class *stream_class,
- enum bt_ctf_byte_order byte_order);
-static
int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t);
-struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name)
-{
- struct bt_ctf_stream_class *stream_class = NULL;
-
- if (!name || !strlen(name)) {
- goto error;
- }
-
- stream_class = g_new0(struct bt_ctf_stream_class, 1);
- if (!stream_class) {
- goto error;
- }
-
- stream_class->name = g_string_new(name);
- stream_class->event_classes = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_event_class_put);
- if (!stream_class->event_classes) {
- goto error_destroy;
- }
-
- bt_ctf_ref_init(&stream_class->ref_count);
- return stream_class;
-
-error_destroy:
- bt_ctf_stream_class_destroy(&stream_class->ref_count);
- stream_class = NULL;
-error:
- return stream_class;
-}
-
-int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class,
- struct bt_ctf_clock *clock)
-{
- int ret = 0;
-
- if (!stream_class || !clock || stream_class->frozen) {
- ret = -1;
- goto end;
- }
-
- if (stream_class->clock) {
- bt_ctf_clock_put(stream_class->clock);
- }
-
- stream_class->clock = clock;
- bt_ctf_clock_get(clock);
-end:
- return ret;
-}
-
-int bt_ctf_stream_class_add_event_class(
- struct bt_ctf_stream_class *stream_class,
- struct bt_ctf_event_class *event_class)
-{
- int ret = 0;
-
- if (!stream_class || !event_class) {
- ret = -1;
- goto end;
- }
-
- /* Check for duplicate event classes */
- struct search_query query = { .value = event_class, .found = 0 };
- g_ptr_array_foreach(stream_class->event_classes, value_exists, &query);
- if (query.found) {
- ret = -1;
- goto end;
- }
-
- if (bt_ctf_event_class_set_id(event_class,
- stream_class->next_event_id++)) {
- /* The event is already associated to a stream class */
- ret = -1;
- goto end;
- }
-
- bt_ctf_event_class_get(event_class);
- g_ptr_array_add(stream_class->event_classes, event_class);
-end:
- return ret;
-}
-
-void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class)
-{
- if (!stream_class) {
- return;
- }
-
- bt_ctf_ref_get(&stream_class->ref_count);
-}
-
-void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class)
-{
- if (!stream_class) {
- return;
- }
-
- bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy);
-}
-
-BT_HIDDEN
-void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class)
-{
- if (!stream_class) {
- return;
- }
-
- stream_class->frozen = 1;
- bt_ctf_clock_freeze(stream_class->clock);
- g_ptr_array_foreach(stream_class->event_classes,
- (GFunc)bt_ctf_event_class_freeze, NULL);
-}
-
-BT_HIDDEN
-int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
- uint32_t id)
-{
- int ret = 0;
-
- if (!stream_class ||
- (stream_class->id_set && (id != stream_class->id))) {
- ret = -1;
- goto end;
- }
-
- stream_class->id = id;
- stream_class->id_set = 1;
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class,
- enum bt_ctf_byte_order byte_order)
-{
- int ret = 0;
-
- ret = init_packet_context(stream_class, byte_order);
- if (ret) {
- goto end;
- }
-
- ret = init_event_header(stream_class, byte_order);
- if (ret) {
- goto end;
- }
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class,
- struct metadata_context *context)
-{
- int ret = 0;
- size_t i;
-
- g_string_assign(context->field_name, "");
- context->current_indentation_level = 1;
- if (!stream_class->id_set) {
- ret = -1;
- goto end;
- }
-
- g_string_append_printf(context->string,
- "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ",
- stream_class->id);
- ret = bt_ctf_field_type_serialize(stream_class->event_header_type,
- context);
- if (ret) {
- goto end;
- }
-
- g_string_append(context->string, ";\n\n\tpacket.context := ");
- ret = bt_ctf_field_type_serialize(stream_class->packet_context_type,
- context);
- if (ret) {
- goto end;
- }
-
- if (stream_class->event_context_type) {
- g_string_append(context->string, ";\n\n\tevent.context := ");
- ret = bt_ctf_field_type_serialize(
- stream_class->event_context_type, context);
- if (ret) {
- goto end;
- }
- }
-
- g_string_append(context->string, ";\n};\n\n");
-
- /* Assign this stream's ID to every event and serialize them */
- g_ptr_array_foreach(stream_class->event_classes,
- (GFunc) bt_ctf_event_class_set_stream_id,
- GUINT_TO_POINTER(stream_class->id));
- for (i = 0; i < stream_class->event_classes->len; i++) {
- struct bt_ctf_event_class *event_class =
- stream_class->event_classes->pdata[i];
-
- ret = bt_ctf_event_class_set_stream_id(event_class,
- stream_class->id);
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_event_class_serialize(event_class, context);
- if (ret) {
- goto end;
- }
- }
-end:
- context->current_indentation_level = 0;
- return ret;
-}
-
BT_HIDDEN
struct bt_ctf_stream *bt_ctf_stream_create(
struct bt_ctf_stream_class *stream_class)
g_free(stream);
}
-static
-void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_ctf_stream_class *stream_class;
-
- if (!ref) {
- return;
- }
-
- stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count);
- bt_ctf_clock_put(stream_class->clock);
-
- if (stream_class->event_classes) {
- g_ptr_array_free(stream_class->event_classes, TRUE);
- }
-
- if (stream_class->name) {
- g_string_free(stream_class->name, TRUE);
- }
-
- bt_ctf_field_type_put(stream_class->event_header_type);
- bt_ctf_field_put(stream_class->event_header);
- bt_ctf_field_type_put(stream_class->packet_context_type);
- bt_ctf_field_put(stream_class->packet_context);
- bt_ctf_field_type_put(stream_class->event_context_type);
- bt_ctf_field_put(stream_class->event_context);
- g_free(stream_class);
-}
-
-static
-int init_event_header(struct bt_ctf_stream_class *stream_class,
- enum bt_ctf_byte_order byte_order)
-{
- int ret = 0;
- struct bt_ctf_field_type *event_header_type =
- bt_ctf_field_type_structure_create();
- struct bt_ctf_field_type *_uint32_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
- struct bt_ctf_field_type *_uint64_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
-
- if (!event_header_type) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_field_type_set_byte_order(_uint32_t, byte_order);
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order);
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(event_header_type,
- _uint32_t, "id");
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(event_header_type,
- _uint64_t, "timestamp");
- if (ret) {
- goto end;
- }
-
- stream_class->event_header_type = event_header_type;
- stream_class->event_header = bt_ctf_field_create(
- stream_class->event_header_type);
- if (!stream_class->event_header) {
- ret = -1;
- }
-end:
- if (ret) {
- bt_ctf_field_type_put(event_header_type);
- }
-
- bt_ctf_field_type_put(_uint32_t);
- bt_ctf_field_type_put(_uint64_t);
- return ret;
-}
-
-static
-int init_packet_context(struct bt_ctf_stream_class *stream_class,
- enum bt_ctf_byte_order byte_order)
-{
- int ret = 0;
- struct bt_ctf_field_type *packet_context_type =
- bt_ctf_field_type_structure_create();
- struct bt_ctf_field_type *_uint64_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
-
- if (!packet_context_type) {
- ret = -1;
- goto end;
- }
-
- /*
- * We create a stream packet context as proposed in the CTF
- * specification.
- */
- ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order);
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(packet_context_type,
- _uint64_t, "timestamp_begin");
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(packet_context_type,
- _uint64_t, "timestamp_end");
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(packet_context_type,
- _uint64_t, "content_size");
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(packet_context_type,
- _uint64_t, "packet_size");
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_type_structure_add_field(packet_context_type,
- _uint64_t, "events_discarded");
- if (ret) {
- goto end;
- }
-
- stream_class->packet_context_type = packet_context_type;
- stream_class->packet_context = bt_ctf_field_create(packet_context_type);
- if (!stream_class->packet_context) {
- ret = -1;
- }
-end:
- if (ret) {
- bt_ctf_field_type_put(packet_context_type);
- goto end;
- }
-
- bt_ctf_field_type_put(_uint64_t);
- return ret;
-}
-
static
int set_structure_field_integer(struct bt_ctf_field *structure, char *name,
uint64_t value)
projects / babeltrace.git / blobdiff