+static
+int ctf_text_write_event(struct stream_pos *ppos,
+ struct ctf_stream_class *stream_class)
+{
+ struct ctf_text_stream_pos *pos =
+ container_of(ppos, struct ctf_text_stream_pos, parent);
+ struct ctf_event *event_class;
+ uint64_t id = 0;
+ int len_index;
+ int ret;
+ int field_nr = 0;
+
+ /* print event header */
+ if (stream_class->event_header) {
+ /* lookup event id */
+ len_index = struct_declaration_lookup_field_index(stream_class->event_header_decl,
+ g_quark_from_static_string("id"));
+ if (len_index >= 0) {
+ struct definition_integer *defint;
+ struct definition *field;
+
+ field = struct_definition_get_field_from_index(stream_class->event_header, len_index);
+ assert(field->declaration->id == CTF_TYPE_INTEGER);
+ defint = container_of(field, struct definition_integer, p);
+ assert(defint->declaration->signedness == FALSE);
+ id = defint->value._unsigned; /* set id */
+ }
+ }
+
+ if (id >= stream_class->events_by_id->len) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
+ return -EINVAL;
+ }
+ event_class = g_ptr_array_index(stream_class->events_by_id, id);
+ if (!event_class) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ return -EINVAL;
+ }
+
+ if (pos->print_names)
+ fprintf(pos->fp, "timestamp = ");
+ else
+ fprintf(pos->fp, "[");
+ fprintf(pos->fp, "%" PRIu64, (uint64_t) 0); /* TODO */
+ if (!pos->print_names)
+ fprintf(pos->fp, "]");
+
+ if (pos->print_names)
+ fprintf(pos->fp, ", ");
+ else
+ fprintf(pos->fp, " ");
+ if (pos->print_names)
+ fprintf(pos->fp, "name = ");
+ fprintf(pos->fp, "%s", g_quark_to_string(event_class->name));
+ if (pos->print_names)
+ field_nr++;
+ else
+ fprintf(pos->fp, ": ");
+
+ if (stream_class->event_header) {
+ if (field_nr++ != 0)
+ fprintf(pos->fp, ", ");
+ if (pos->print_names)
+ fprintf(pos->fp, "stream.event.header = ");
+ ret = generic_rw(ppos, &stream_class->event_header->p);
+ if (ret)
+ goto error;
+ }
+
+ /* print stream-declared event context */
+ if (stream_class->event_context) {
+ if (field_nr++ != 0)
+ fprintf(pos->fp, ", ");
+ if (pos->print_names)
+ fprintf(pos->fp, "stream.event.context = ");
+ ret = generic_rw(ppos, &stream_class->event_context->p);
+ if (ret)
+ goto error;
+ }
+
+ /* print event-declared event context */
+ if (event_class->context) {
+ if (field_nr++ != 0)
+ fprintf(pos->fp, ", ");
+ if (pos->print_names)
+ fprintf(pos->fp, "event.context = ");
+ ret = generic_rw(ppos, &event_class->context->p);
+ if (ret)
+ goto error;
+ }
+
+ /* Read and print event payload */
+ if (event_class->fields) {
+ if (field_nr++ != 0)
+ fprintf(pos->fp, ", ");
+ if (pos->print_names)
+ fprintf(pos->fp, "event.fields = ");
+ ret = generic_rw(ppos, &event_class->fields->p);
+ if (ret)
+ goto error;
+ }
+ fprintf(pos->fp, "\n");
+
+ return 0;
+
+error:
+ fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
+ return ret;
+}
+
+