static void test_set_last_update(void **state)
{
struct rtr_socket socket;
UNUSED(state);
socket.connection_state_fp = NULL;
will_return(__wrap_lrtr_get_monotonic_time, RTR_ERROR);
assert_int_equal(rtr_set_last_update(&socket), RTR_ERROR);
will_return(__wrap_lrtr_get_monotonic_time, RTR_SUCCESS);
assert_int_equal(rtr_set_last_update(&socket), RTR_SUCCESS);
}
int rtr_sync(struct rtr_socket *rtr_socket)
{
char pdu[RTR_MAX_PDU_LEN];
int rtval = rtr_receive_pdu(rtr_socket, pdu, RTR_MAX_PDU_LEN, RTR_RECV_TIMEOUT);
//If the cache has closed the connection and we dont have a session_id
//(no packages where exchanged) we should downgrade.
if(rtval == TR_CLOSED && rtr_socket->request_session_id){
RTR_DBG1("The cache server closed the connection and we have no session_id!");
if (rtr_socket->version > RTR_PROTOCOL_MIN_SUPPORTED_VERSION)
{
RTR_DBG("Downgrading from %i to version %i", rtr_socket->version, rtr_socket->version-1);
rtr_socket->version = rtr_socket->version - 1;
rtr_change_socket_state(rtr_socket, RTR_FAST_RECONNECT);
return RTR_ERROR;
}
}
if (rtval == TR_WOULDBLOCK) {
rtr_change_socket_state(rtr_socket, RTR_ERROR_TRANSPORT);
return RTR_ERROR;
} else if (rtval < 0)
return RTR_ERROR;
enum pdu_type type = rtr_get_pdu_type(pdu);
//ignore serial_notify PDUs, we already sent a serial_query, must be old messages
while (type == SERIAL_NOTIFY) {
RTR_DBG1("Ignoring Serial Notify");
rtval = rtr_receive_pdu(rtr_socket, pdu, RTR_MAX_PDU_LEN, RTR_RECV_TIMEOUT);
if (rtval == TR_WOULDBLOCK) {
rtr_change_socket_state(rtr_socket, RTR_ERROR_TRANSPORT);
return RTR_ERROR;
} else if (rtval < 0)
return RTR_ERROR;
type = rtr_get_pdu_type(pdu);
}
if (type == ERROR) {
rtr_handle_error_pdu(rtr_socket, pdu);
return RTR_ERROR;
} else if (type == CACHE_RESET) {
RTR_DBG1("Cache Reset PDU received");
rtr_change_socket_state(rtr_socket, RTR_ERROR_NO_INCR_UPDATE_AVAIL);
return RTR_ERROR;
} else if (type == CACHE_RESPONSE) {
rtr_handle_cache_response_pdu(rtr_socket,pdu);
} else if (type == ERROR) {
rtr_handle_error_pdu(rtr_socket, pdu);
return RTR_ERROR;
} else {
RTR_DBG("Expected Cache Response PDU but received PDU Type (Type: %u)", ((struct pdu_header *) pdu)->type);
const char txt[] = "Unexpected PDU received in data synchronisation";
rtr_send_error_pdu(rtr_socket, pdu, sizeof(struct pdu_header), CORRUPT_DATA, txt, sizeof(txt));
return RTR_ERROR;
}
//Receive all PDUs until EOD PDU
if(rtr_sync_receive_and_store_pdus(rtr_socket) == RTR_ERROR){
return RTR_ERROR;
}
rtr_socket->request_session_id = false;
if (rtr_set_last_update(rtr_socket) == RTR_ERROR)
return RTR_ERROR;
return RTR_SUCCESS;
}
