int ctf_fs_metadata_set_trace(struct ctf_fs_trace *ctf_fs_trace,
struct ctf_fs_metadata_config *config)
{
int ret = 0;
struct ctf_fs_file *file = NULL;
struct ctf_metadata_decoder *metadata_decoder = NULL;
struct ctf_metadata_decoder_config decoder_config = {
.clock_class_offset_s = config ? config->clock_class_offset_s : 0,
.clock_class_offset_ns = config ? config->clock_class_offset_ns : 0,
};
file = get_file(ctf_fs_trace->path->str);
if (!file) {
BT_LOGE("Cannot create metadata file object");
ret = -1;
goto end;
}
metadata_decoder = ctf_metadata_decoder_create(
config ? &decoder_config : NULL,
ctf_fs_trace->name->str);
if (!metadata_decoder) {
BT_LOGE("Cannot create metadata decoder object");
ret = -1;
goto end;
}
ret = ctf_metadata_decoder_decode(metadata_decoder, file->fp);
if (ret) {
BT_LOGE("Cannot decode metadata file");
goto end;
}
ctf_fs_trace->metadata->trace = ctf_metadata_decoder_get_trace(
metadata_decoder);
assert(ctf_fs_trace->metadata->trace);
end:
ctf_fs_file_destroy(file);
ctf_metadata_decoder_destroy(metadata_decoder);
return ret;
}
int ctf_fs_metadata_init(struct ctf_fs_metadata *metadata)
{
/* Nothing to initialize for the moment. */
return 0;
}
void ctf_fs_metadata_fini(struct ctf_fs_metadata *metadata)
{
if (metadata->text) {
free(metadata->text);
}
if (metadata->trace) {
BT_PUT(metadata->trace);
}
}
BT_HIDDEN
int lttng_live_metadata_create_stream(struct lttng_live_session *session,
uint64_t ctf_trace_id,
uint64_t stream_id,
const char *trace_name)
{
struct lttng_live_component *lttng_live =
session->lttng_live_msg_iter->lttng_live_comp;
struct lttng_live_metadata *metadata = NULL;
struct lttng_live_trace *trace;
const char *match;
metadata = g_new0(struct lttng_live_metadata, 1);
if (!metadata) {
return -1;
}
metadata->stream_id = stream_id;
match = strstr(trace_name, session->session_name->str);
if (!match) {
goto error;
}
metadata->decoder = ctf_metadata_decoder_create(
lttng_live->self_comp, NULL);
if (!metadata->decoder) {
goto error;
}
trace = lttng_live_borrow_trace(session, ctf_trace_id);
if (!trace) {
goto error;
}
metadata->trace = trace;
trace->metadata = metadata;
return 0;
error:
ctf_metadata_decoder_destroy(metadata->decoder);
g_free(metadata);
return -1;
}