static char *test_sub_iterator(void *context)
{
qd_iterator_t *iter = qd_iterator_string("test_sub_iterator", ITER_VIEW_ALL);
qd_iterator_t *sub1 = qd_iterator_sub(iter, qd_iterator_remaining(iter));
qd_iterator_advance(iter, 5);
qd_iterator_t *sub2 = qd_iterator_sub(iter, qd_iterator_remaining(iter));
qd_iterator_t *sub3 = qd_iterator_sub(iter, 3);
if (!qd_iterator_equal(sub1, (unsigned char*) "test_sub_iterator"))
return "Sub Iterator failed - 1";
if (!qd_iterator_equal(sub2, (unsigned char*) "sub_iterator"))
return "Sub Iterator failed - 2";
if (!qd_iterator_equal(sub3, (unsigned char*) "sub"))
return "Sub Iterator failed - 3";
qd_iterator_free(iter);
qd_iterator_free(sub1);
qd_iterator_free(sub2);
qd_iterator_free(sub3);
return 0;
}
void qd_parse_annotations(
bool strip_annotations_in,
qd_iterator_t *ma_iter_in,
qd_parsed_field_t **ma_ingress,
qd_parsed_field_t **ma_phase,
qd_parsed_field_t **ma_to_override,
qd_parsed_field_t **ma_trace,
qd_iterator_pointer_t *blob_pointer,
uint32_t *blob_item_count)
{
*ma_ingress = 0;
*ma_phase = 0;
*ma_to_override = 0;
*ma_trace = 0;
ZERO(blob_pointer);
*blob_item_count = 0;
if (!ma_iter_in)
return;
uint8_t tag = 0;
uint32_t size = 0;
uint32_t length_of_count = 0;
uint32_t length_of_size = 0;
const char *parse_error = get_type_info(ma_iter_in, &tag,
&size, blob_item_count, &length_of_size,
&length_of_count);
if (parse_error)
return;
if (!is_tag_a_map(tag)) {
return;
}
// Initial snapshot on size/content of annotation payload
qd_iterator_t *raw_iter = qd_iterator_sub(ma_iter_in, (size - length_of_count));
// If there are no router annotations then all annotations
// are the user's opaque blob.
qd_iterator_get_view_cursor(raw_iter, blob_pointer);
qd_iterator_free(raw_iter);
(void) qd_parse_annotations_v1(strip_annotations_in, ma_iter_in, ma_ingress, ma_phase,
ma_to_override, ma_trace,
blob_pointer, blob_item_count);
return;
}
static qd_parsed_field_t *qd_parse_internal(qd_iterator_t *iter, qd_parsed_field_t *p)
{
qd_parsed_field_t *field = new_qd_parsed_field_t();
if (!field)
return 0;
DEQ_ITEM_INIT(field);
DEQ_INIT(field->children);
field->parent = p;
field->raw_iter = 0;
field->typed_iter = qd_iterator_dup(iter);
uint32_t size = 0;
uint32_t count = 0;
uint32_t length_of_count = 0;
uint32_t length_of_size = 0;
field->parse_error = get_type_info(iter, &field->tag, &size, &count, &length_of_size, &length_of_count);
if (!field->parse_error) {
qd_iterator_trim_view(field->typed_iter, size + length_of_size + 1); // + 1 accounts for the tag length
field->raw_iter = qd_iterator_sub(iter, size - length_of_count);
qd_iterator_advance(iter, size - length_of_count);
for (uint32_t idx = 0; idx < count; idx++) {
qd_parsed_field_t *child = qd_parse_internal(field->raw_iter, field);
DEQ_INSERT_TAIL(field->children, child);
if (!qd_parse_ok(child)) {
field->parse_error = child->parse_error;
break;
}
}
}
return field;
}