void
fsm_change_state (fsm_fcb_t *fcb, int fname, int new_state)
{
DEF_DEBUG(DEB_L_C_F_PREFIX"%s: %s -> %s\n",
DEB_L_C_F_PREFIX_ARGS(FSM, ((fcb->dcb == NULL)? CC_NO_LINE: fcb->dcb->line),
fcb->call_id, "fsm_change_state"),
fsm_type_name(fcb->fsm_type),
fsm_state_name(fcb->fsm_type, fcb->state),
fsm_state_name(fcb->fsm_type, new_state));
fcb->old_state = fcb->state;
fcb->state = new_state;
NOTIFY_STATE_CHANGE(fcb, fcb->call_id, new_state);
}
sm_rcs_t
sm_process_event (sm_table_t *tbl, sm_event_t *event)
{
static const char fname[] = "sm_process_event";
int state_id = event->state;
int event_id = event->event;
sm_rcs_t rc = SM_RC_ERROR;
fsm_fcb_t *fcb = (fsm_fcb_t *) event->data;
cc_feature_t *feat_msg = NULL;
line_t line_id;
fsm_types_t fsm_type;
callid_t call_id;
sm_function_t hdlr; /* cached handler in order to compute its addr once */
/*
* validate the state and event
* and that there is a valid function for this state-event pair.
*/
if ((state_id > tbl->min_state) &&
(state_id < tbl->max_state) &&
(event_id > tbl->min_event) &&
(event_id < tbl->max_event)) {
rc = SM_RC_DEF_CONT;
/*
* Save some paramters for debuging, the event handler may
* free the fcb once returned.
*/
fsm_type = fcb->fsm_type;
call_id = fcb->call_id;
if ((hdlr = tbl->table[tbl->max_event * state_id + event_id]) != NULL) {
FSM_DEBUG_SM(DEB_F_PREFIX"%s %-4d: 0x%08lx: sm entry: (%s:%s)\n",
DEB_F_PREFIX_ARGS(FSM, fname), fsm_type_name(fsm_type), call_id,
tbl->table[tbl->max_event * state_id + event_id],
fsm_state_name(fsm_type, state_id),
cc_msg_name((cc_msgs_t)(event_id)));
rc = hdlr(event);
}
if (rc != SM_RC_DEF_CONT) {
/* For event_id == CC_MSG_FEATURE then display the
* feature associated with it.
*/
if (event_id == CC_MSG_FEATURE) {
feat_msg = (cc_feature_t *) event->msg;
}
line_id = ((cc_feature_t *) event->msg)->line;
DEF_DEBUG(DEB_L_C_F_PREFIX"%-5s :(%s:%s%s)\n",
DEB_L_C_F_PREFIX_ARGS(GSM, line_id, call_id, fname),
fsm_type_name(fsm_type),
fsm_state_name(fsm_type, state_id),
cc_msg_name((cc_msgs_t)(event_id)),
feat_msg ? cc_feature_name(feat_msg->feature_id):" ");
}
}
/*
* Invalid state-event pair.
*/
else {
GSM_ERR_MSG(GSM_F_PREFIX"illegal state-event pair: (%d <-- %d)\n",
fname, state_id, event_id);
rc = SM_RC_ERROR;
}
return rc;
}
/*
* Function: dp_update_keypress()
*
* Parameters: line - line number
* call_id - call indentification
* digit - collected digit
*
* Description: Dialplan interface function to pass the collected
* digits. This routine will source collected digits
* (including backspace) to dialplan and KPML.
* Digits are passed during connected state and dialing
* state.
*
*
* Returns: none
*/
static void
dp_update_keypress (line_t line, callid_t call_id, unsigned char digit)
{
const char fname[] = "dp_update_keypress";
lsm_states_t lsm_state;
int skMask[MAX_SOFT_KEYS];
DEF_DEBUG(DEB_L_C_F_PREFIX"KEY .\n", DEB_L_C_F_PREFIX_ARGS(DP_API, line, call_id, fname) );
lsm_state = lsm_get_state(call_id);
if (lsm_state == LSM_S_NONE) {
DPINT_DEBUG(DEB_F_PREFIX"call not found\n", DEB_F_PREFIX_ARGS(DIALPLAN, fname));
return;
}
/* If the call is in connected state, digits are DTMF key presses
* pass this to GSM and KPML module
*/
if (lsm_state == LSM_S_RINGOUT ||
lsm_state == LSM_S_CONNECTED || lsm_state == LSM_S_HOLDING) {
DPINT_DEBUG(DEB_F_PREFIX"digit received in LSM state %s\n",
DEB_F_PREFIX_ARGS(DIALPLAN, fname), lsm_state_name(lsm_state));
cc_digit_begin(CC_SRC_GSM, g_dp_int.call_id, g_dp_int.line, digit);
if (!kpml_update_dialed_digits(line, call_id, digit)) {
kpml_quarantine_digits(line, call_id, digit);
}
return;
}
if (g_dp_int.line != line) {
DPINT_DEBUG(DEB_F_PREFIX"line %d does not match dialplan line %d\n", DEB_F_PREFIX_ARGS(DIALPLAN, fname),
line, g_dp_int.line);
return;
}
if (dp_check_plar_warmline(line, call_id)) {
DPINT_DEBUG(DEB_F_PREFIX"warm line\n", DEB_F_PREFIX_ARGS(DIALPLAN, fname));
return;
}
if (digit == 0) {
DPINT_DEBUG(DEB_F_PREFIX"digit is 0\n", DEB_F_PREFIX_ARGS(DIALPLAN, fname));
return;
}
ui_control_feature(line, call_id, skMask, 1, FALSE);
/* if not in URL dialing mode pass it through kpml dialing
* to quarantine digits
*/
if (g_dp_int.url_dialing == FALSE) {
if (!kpml_update_dialed_digits(line, call_id, digit)) {
/*
* no valid subscription case:
* if user pressed backspace, we can approve the delete without waiting
* for any response.
*/
if (digit == BKSPACE_KEY) {
dp_delete_last_digit(line, call_id);
}
kpml_quarantine_digits(line, call_id, digit);
}
} else {
if (digit == BKSPACE_KEY) {
/* no kpml for URL; go ahead and approve the delete */
dp_delete_last_digit(line, call_id);
}
}
/* no further processing for back space key */
if (digit == BKSPACE_KEY) {
return;
}
/* Make sure that call is in dialing state
* if not then do not check the dial plan
*/
switch (lsm_state) {
case LSM_S_OFFHOOK:
dp_check_dialplan(line, call_id, digit);
break;
default:
break;
}
}
