qeo_retcode_t qeo_json_state_reader_foreach(const qeo_json_state_reader_t *reader,
qeo_json_iterate_callback cb,
uintptr_t userdata)
{
qeojson_reader_t *jsonreader = (qeojson_reader_t *) reader;
qeo_retcode_t rc = QEO_OK;
char *datastr = NULL;
if ((NULL == reader) || (NULL == cb)) {
rc = QEO_EINVAL;
}
else {
qeocore_filter_t filter = { 0 };
qeo_iterate_action_t action = QEO_ITERATE_CONTINUE;
qeocore_data_t *data;
data = qeocore_reader_data_new(jsonreader->reader);
if (NULL == data) {
rc = QEO_ENOMEM;
}
else {
json_reader_dispatcher_cookie_t *dc = (json_reader_dispatcher_cookie_t *)qeocore_reader_get_userdata(jsonreader->reader);
filter.instance_handle = DDS_HANDLE_NIL;
while (1) {
rc = qeocore_reader_read(jsonreader->reader, &filter, data);
if (QEO_OK == rc) {
filter.instance_handle = qeocore_data_get_instance_handle(data);
datastr = json_from_data(dc->typedesc, data);
action = cb(datastr, userdata);
free(datastr);
if (QEO_ITERATE_CONTINUE == action) {
qeocore_data_reset(data);
continue;
}
}
else if (QEO_ENODATA == rc) {
rc = QEO_OK;
}
/* QEO_ENODATA or ITERATE_ABORT or error */
break;
}
qeocore_data_free(data);
}
}
return rc;
}
static int fwd_server_count_instances(const qeocore_reader_t *reader)
{
qeo_retcode_t rc = QEO_OK;
qeocore_filter_t filter = { 0 };
qeocore_data_t *data;
int cnt = 0;
data = qeocore_reader_data_new(reader);
if (NULL != data) {
filter.instance_handle = DDS_HANDLE_NIL;
while (1) {
rc = qeocore_reader_read(reader, &filter, data);
if (QEO_OK == rc) {
filter.instance_handle = qeocore_data_get_instance_handle(data);
cnt++;
#ifdef DEBUG
{
const org_qeo_system_Forwarder_t *fwd = qeocore_data_get_data(data);
qeo_log_d("forwarder %d : id=%" PRIx64 " -> %s", cnt, fwd->deviceId,
(fwd->deviceId == reader->entity.factory->qeo_id.device_id ? "self" : "other"));
}
#endif
qeocore_data_reset(data);
continue;
}
else if (QEO_ENODATA == rc) {
rc = QEO_OK;
}
/* QEO_ENODATA or error */
break;
}
qeocore_data_free(data);
}
if (QEO_OK == rc) {
qeo_log_i("found %d local forwarders", cnt);
}
else {
qeo_log_e("failed to read all local forwarders");
}
return cnt;
}
qeo_retcode_t qeo_state_reader_foreach(const qeo_state_reader_t *reader,
qeo_iterate_callback cb,
uintptr_t userdata)
{
qeocore_reader_t *r = (qeocore_reader_t *)reader;
qeo_retcode_t rc = QEO_OK;
if ((NULL == r) || (NULL == cb)) {
rc = QEO_EINVAL;
}
else {
qeocore_filter_t filter = { 0 };
qeo_iterate_action_t action = QEO_ITERATE_CONTINUE;
qeocore_data_t *data;
data = qeocore_reader_data_new(r);
if (NULL == data) {
rc = QEO_ENOMEM;
}
else {
filter.instance_handle = DDS_HANDLE_NIL;
while (1) {
rc = qeocore_reader_read(r, &filter, data);
if (QEO_OK == rc) {
filter.instance_handle = qeocore_data_get_instance_handle(data);
if (QEO_ITERATE_CONTINUE == action) {
action = cb(qeocore_data_get_data(data), userdata);
}
qeocore_data_reset(data);
}
else if (QEO_ENODATA == rc) {
rc = QEO_OK;
break;
}
}
qeocore_data_free(data);
}
}
return rc;
}
