* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
-use crate::applayer::*;
+use crate::applayer::{self, *};
use crate::core::{self, AppProto, ALPROTO_FAILED, ALPROTO_UNKNOWN, IPPROTO_TCP};
use std::ffi::CString;
None
}
+ fn tx_iterator(
+ &mut self,
+ min_tx_id: u64,
+ state: &mut u64,
+ ) -> Option<(&ModbusTransaction, u64, bool)> {
+ let mut index = *state as usize;
+ let len = self.transactions.len();
+
+ while index < len {
+ let tx = &self.transactions[index];
+ if tx.id < min_tx_id + 1 {
+ index += 1;
+ continue;
+ }
+ *state = index as u64;
+ return Some((tx, tx.id - 1, (len - index) > 1));
+ }
+
+ return None;
+ }
+
/// Searches the requests in order to find one matching the given response. Returns the matching
/// transaction, if it exists
pub fn find_request_and_validate(
}
}
+#[no_mangle]
+pub unsafe extern "C" fn rs_modbus_state_get_tx_iterator(
+ _ipproto: u8,
+ _alproto: AppProto,
+ state: *mut std::os::raw::c_void,
+ min_tx_id: u64,
+ _max_tx_id: u64,
+ istate: &mut u64,
+) -> applayer::AppLayerGetTxIterTuple {
+ let state = cast_pointer!(state, ModbusState);
+ match state.tx_iterator(min_tx_id, istate) {
+ Some((tx, out_tx_id, has_next)) => {
+ let c_tx = tx as *const _ as *mut _;
+ let ires = applayer::AppLayerGetTxIterTuple::with_values(
+ c_tx,
+ out_tx_id,
+ has_next,
+ );
+ return ires;
+ }
+ None => {
+ return applayer::AppLayerGetTxIterTuple::not_found();
+ }
+ }
+}
+
#[no_mangle]
pub unsafe extern "C" fn rs_modbus_tx_get_alstate_progress(
tx: *mut std::os::raw::c_void, _direction: u8,
localstorage_new: None,
localstorage_free: None,
get_files: None,
- get_tx_iterator: None,
+ get_tx_iterator: Some(rs_modbus_state_get_tx_iterator),
get_de_state: rs_modbus_state_get_tx_detect_state,
set_de_state: rs_modbus_state_set_tx_detect_state,
get_tx_data: rs_modbus_state_get_tx_data,