void sngisdn_rcv_cc_ind(CcMngmt *status)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_log(FTDM_LOG_INFO, "RECEIVED %s\n", __FUNCTION__);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_rcv_srv_ind (int16_t suId, Srv *srvEvnt, int16_t dChan, uint8_t ces)
{
unsigned i;
sngisdn_span_data_t *signal_data;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_log(FTDM_LOG_INFO, "Received SERVICE IND (dChan:%d ces:%u)\n", dChan, ces);
/* Enqueue the event to each span within the dChan */
for(i=1; i<=g_sngisdn_data.dchans[dChan].num_spans; i++) {
signal_data = g_sngisdn_data.dchans[dChan].spans[i];
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event != NULL, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_SRV_IND;
sngisdn_event->suId = suId;
sngisdn_event->dChan = dChan;
sngisdn_event->ces = ces;
sngisdn_event->signal_data = signal_data;
memcpy(&sngisdn_event->event.srvEvnt, srvEvnt, sizeof(*srvEvnt));
ftdm_queue_enqueue((signal_data)->event_queue, sngisdn_event);
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_rcv_rst_cfm (int16_t suId, Rst *rstEvnt, int16_t dChan, uint8_t ces, uint8_t evntType)
{
unsigned i;
sngisdn_span_data_t *signal_data;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_log(FTDM_LOG_INFO, "Received RESTART CFM (dChan:%d ces:%u type:%u)\n", dChan, ces, evntType);
/* Enqueue the event to each span within the dChan */
for(i=1; i<=g_sngisdn_data.dchans[dChan].num_spans; i++) {
signal_data = g_sngisdn_data.dchans[dChan].spans[i];
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event != NULL, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_RST_CFM;
sngisdn_event->suId = suId;
sngisdn_event->dChan = dChan;
sngisdn_event->ces = ces;
sngisdn_event->evntType = evntType;
sngisdn_event->signal_data = signal_data;
memcpy(&sngisdn_event->event.rstEvnt, rstEvnt, sizeof(*rstEvnt));
ftdm_queue_enqueue((signal_data)->event_queue, sngisdn_event);
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_rcv_sta_cfm (int16_t suId, uint32_t suInstId, uint32_t spInstId, StaEvnt *staEvnt)
{
sngisdn_chan_data_t *sngisdn_info;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
if (!(spInstId && get_ftdmchan_by_spInstId(suId, spInstId, &sngisdn_info) == FTDM_SUCCESS) &&
!(suInstId && get_ftdmchan_by_suInstId(suId, suInstId, &sngisdn_info) == FTDM_SUCCESS)) {
ftdm_log(FTDM_LOG_CRIT, "Could not find matching call suId:%u suInstId:%u spInstId:%u\n", suId, suInstId, spInstId);
ftdm_assert(0, "Inconsistent call states\n");
return;
}
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received STATUS CONFIRM (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event != NULL, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_STA_CFM;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->suInstId = suInstId;
sngisdn_event->spInstId = spInstId;
memcpy(&sngisdn_event->event.staEvnt, staEvnt, sizeof(*staEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_rcv_con_ind (int16_t suId, uint32_t suInstId, uint32_t spInstId, ConEvnt *conEvnt, int16_t dChan, uint8_t ces)
{
uint8_t bchan_no = 0;
sngisdn_chan_data_t *sngisdn_info = NULL;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_assert(g_sngisdn_data.ccs[suId].activation_done != 0, "Con Ind on unconfigured cc\n");
ftdm_assert(g_sngisdn_data.dchans[dChan].num_spans != 0, "Con Ind on unconfigured dchan\n");
if (conEvnt->chanId.eh.pres != PRSNT_NODEF) {
/* TODO: Implement me */
ftdm_log(FTDM_LOG_ERROR, "Incoming call without Channel Id not supported yet\n");
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
if (conEvnt->chanId.chanNmbSlotMap.pres) {
bchan_no = conEvnt->chanId.chanNmbSlotMap.val[0];
} else if (conEvnt->chanId.infoChanSel.pres) {
bchan_no = conEvnt->chanId.infoChanSel.val;
}
if (!bchan_no) {
ftdm_log(FTDM_LOG_ERROR, "Failed to obtain b-channel number from SETUP message\n");
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
if (g_sngisdn_data.dchans[dChan].channels[bchan_no] == NULL) {
ftdm_log(FTDM_LOG_ERROR, "Incoming call on unconfigured b-channel:%d\n", bchan_no);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
sngisdn_info = g_sngisdn_data.dchans[dChan].channels[bchan_no];
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received SETUP (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_CON_IND;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->spInstId = spInstId;
sngisdn_event->dChan = dChan;
sngisdn_event->ces = ces;
ftdm_mutex_lock(g_sngisdn_data.ccs[suId].mutex);
g_sngisdn_data.ccs[suId].active_spInstIds[spInstId] = sngisdn_info;
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
memcpy(&sngisdn_event->event.conEvnt, conEvnt, sizeof(*conEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_rcv_rel_ind (int16_t suId, uint32_t suInstId, uint32_t spInstId, RelEvnt *relEvnt)
{
sngisdn_chan_data_t *sngisdn_info = NULL;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
if (!(spInstId && get_ftdmchan_by_spInstId(suId, spInstId, &sngisdn_info) == FTDM_SUCCESS) &&
!(suInstId && get_ftdmchan_by_suInstId(suId, suInstId, &sngisdn_info) == FTDM_SUCCESS)) {
ftdm_log(FTDM_LOG_CRIT, "Could not find matching call suId:%u suInstId:%u spInstId:%u\n", suId, suInstId, spInstId);
/* It seems that Trillium has a bug where they sometimes send release twice on a call, so do not crash on these for now */
/* ftdm_assert(0, "Inconsistent call states\n"); */
return;
}
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received RELEASE/RELEASE COMPLETE (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event != NULL, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_REL_IND;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->suInstId = suInstId;
sngisdn_event->spInstId = spInstId;
memcpy(&sngisdn_event->event.relEvnt, relEvnt, sizeof(*relEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_process_disc_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
DiscEvnt *discEvnt = &sngisdn_event->event.discEvnt;
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing DISCONNECT (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_RING:
case FTDM_CHANNEL_STATE_DIALING:
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
case FTDM_CHANNEL_STATE_UP:
if (discEvnt->causeDgn[0].eh.pres && discEvnt->causeDgn[0].causeVal.pres) {
ftdmchan->caller_data.hangup_cause = discEvnt->causeDgn[0].causeVal.val;
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "DISCONNECT did not have a cause code\n");
ftdmchan->caller_data.hangup_cause = 0;
}
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_REL);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
case FTDM_CHANNEL_STATE_COLLECT:
case FTDM_CHANNEL_STATE_GET_CALLERID:
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_CANCEL);
break;
case FTDM_CHANNEL_STATE_DOWN:
/* somehow we are in down, nothing we can do locally */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_CRIT, "Received DISCONNECT but we are in DOWN state\n");
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* This is a race condition. We just sent a DISCONNECT, on this channel */
/* Do nothing */
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Received DISCONNECT in an invalid state (%s)\n",
ftdm_channel_state2str(ftdmchan->state));
/* start reset procedure */
/* Start the release procedure */
ftdm_set_flag(sngisdn_info, FLAG_REMOTE_REL);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_fac_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
FacEvnt *facEvnt = &sngisdn_event->event.facEvnt;
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing FACILITY IND (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_GET_CALLERID:
/* Update the caller ID Name */
if (facEvnt->facElmt.facStr.pres) {
char retrieved_str[255];
/* return values for "sng_isdn_retrieve_facility_information_following":
If there will be no information following, or fails to decode IE, returns -1
If there will be no information following, but current FACILITY IE contains a caller name, returns 0
If there will be information following, returns 1
*/
if (sng_isdn_retrieve_facility_caller_name(&facEvnt->facElmt.facStr.val[2], facEvnt->facElmt.facStr.len, retrieved_str) == 0) {
strcpy(ftdmchan->caller_data.cid_name, retrieved_str);
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Failed to retrieve Caller Name from Facility IE\n");
}
if (signal_data->facility_timeout) {
/* Cancel facility timeout */
ftdm_sched_cancel_timer(signal_data->sched, sngisdn_info->timers[SNGISDN_TIMER_FACILITY]);
}
}
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
break;
case FTDM_CHANNEL_STATE_RING:
/* We received the caller ID Name in FACILITY, but its too late, facility-timeout already occurred */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "FACILITY received, but we already proceeded with call\n");
break;
default:
/* We do not support other FACILITY types for now, so do nothing */
break;
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_rcv_cnst_ind (int16_t suId, uint32_t suInstId, uint32_t spInstId, CnStEvnt *cnStEvnt, uint8_t evntType, int16_t dChan, uint8_t ces)
{
sngisdn_chan_data_t *sngisdn_info = NULL;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_assert(g_sngisdn_data.ccs[suId].activation_done != 0, "Cnst Ind on unconfigured cc\n");
ftdm_assert(g_sngisdn_data.dchans[dChan].num_spans != 0, "Cnst Ind on unconfigured dchan\n");
if (get_ftdmchan_by_suInstId(suId, suInstId, &sngisdn_info) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_CRIT, "Could not find matching call suId:%u suInstId:%u spInstId:%u\n", suId, suInstId, spInstId);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
if (!sngisdn_info->spInstId) {
ftdm_mutex_lock(g_sngisdn_data.ccs[suId].mutex);
sngisdn_info->spInstId = spInstId;
g_sngisdn_data.ccs[suId].active_spInstIds[spInstId] = sngisdn_info;
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
}
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received %s (suId:%u suInstId:%u spInstId:%u ces:%d)\n",
(evntType == MI_ALERTING)?"ALERT":
(evntType == MI_CALLPROC)?"PROCEED":
(evntType == MI_PROGRESS)?"PROGRESS":
(evntType == MI_SETUPACK)?"SETUP ACK":
(evntType == MI_NOTIFY)?"NOTIFY":
(evntType == MI_INFO)?"INFO":"UNKNOWN",
suId, suInstId, spInstId, ces);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_CNST_IND;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->suInstId = suInstId;
sngisdn_event->spInstId = spInstId;
sngisdn_event->dChan = dChan;
sngisdn_event->ces = ces;
sngisdn_event->evntType = evntType;
memcpy(&sngisdn_event->event.cnStEvnt, cnStEvnt, sizeof(*cnStEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_process_srv_cfm (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
int16_t dChan = sngisdn_event->dChan;
uint8_t ces = sngisdn_event->ces;
/* Function does not require any info from ssHlEvnt struct for now */
/*Srv *srvEvnt = &sngisdn_event->event.srvEvnt;*/
ftdm_log(FTDM_LOG_DEBUG, "Processing SERVICE CFM (suId:%u dChan:%d ces:%d)\n", suId, dChan, ces);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_rst_cfm (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
int16_t dChan = sngisdn_event->dChan;
uint8_t ces = sngisdn_event->ces;
uint8_t evntType = sngisdn_event->evntType;
/* Function does not require any info from ssHlEvnt struct for now */
/*Rst *rstEvnt = &sngisdn_event->event.rstEvnt;*/
ftdm_log(FTDM_LOG_DEBUG, "Processing RESTART CFM (suId:%u dChan:%d ces:%d type:%d)\n", suId, dChan, ces, evntType);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_flc_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
/* Function does not require any info from ssHlEvnt struct for now */
/* StaEvnt *staEvnt = &sngisdn_event->event.staEvnt; */
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing FLOW CONTROL IND (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_rmrt_cfm (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
/* Function does not require any info from ssHlEvnt struct for now */
/* RmRtEvnt *rmRtEvnt = &sngisdn_event->event.rmRtEvnt; */
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing RESUME/RETRIEVE CFM (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_rcv_con_cfm (int16_t suId, uint32_t suInstId, uint32_t spInstId, CnStEvnt *cnStEvnt, int16_t dChan, uint8_t ces)
{
sngisdn_chan_data_t *sngisdn_info = NULL;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
ftdm_assert(g_sngisdn_data.ccs[suId].activation_done != 0, "Con Cfm on unconfigured cc\n");
ftdm_assert(g_sngisdn_data.dchans[dChan].num_spans != 0, "Con Cfm on unconfigured dchan\n");
if (get_ftdmchan_by_suInstId(suId, suInstId, &sngisdn_info) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_CRIT, "Could not find matching call suId:%u suInstId:%u spInstId:%u\n", suId, suInstId, spInstId);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
if (!sngisdn_info->spInstId) {
ftdm_mutex_lock(g_sngisdn_data.ccs[suId].mutex);
sngisdn_info->spInstId = spInstId;
g_sngisdn_data.ccs[suId].active_spInstIds[spInstId] = sngisdn_info;
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
}
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received CONNECT/CONNECT ACK (suId:%u suInstId:%u spInstId:%u ces:%d)\n", suId, suInstId, spInstId, ces);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_CON_CFM;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->suInstId = suInstId;
sngisdn_event->spInstId = spInstId;
sngisdn_event->dChan = dChan;
sngisdn_event->ces = ces;
memcpy(&sngisdn_event->event.cnStEvnt, cnStEvnt, sizeof(*cnStEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_process_rst_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
int16_t dChan = sngisdn_event->dChan;
uint8_t ces = sngisdn_event->ces;
uint8_t evntType = sngisdn_event->evntType;
/* Function does not require any info from ssHlEvnt struct for now */
/*Rst *rstEvnt = &sngisdn_event->event.rstEvnt;*/
ftdm_log(FTDM_LOG_DEBUG, "Processing RESTART CFM (suId:%u dChan:%d ces:%d %s)\n", suId, dChan, ces,
(evntType == IN_LNK_DWN)?"LNK_DOWN":
(evntType == IN_LNK_UP)?"LNK_UP":
(evntType == IN_INDCHAN)?"b-channel":
(evntType == IN_LNK_DWN_DM_RLS)?"Nfas service procedures":
(evntType == IN_SWCHD_BU_DCHAN)?"NFAS switchover to backup":"Unknown");
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_rcv_sta_cfm (int16_t suId, uint32_t suInstId, uint32_t spInstId, StaEvnt *staEvnt)
{
sngisdn_chan_data_t *sngisdn_info;
sngisdn_event_data_t *sngisdn_event = NULL;
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
/* We sometimes receive a STA CFM after receiving a RELEASE/RELEASE COMPLETE, so we need to lock
here in case we are calling clear_call_data at the same time this function is called */
ftdm_mutex_lock(g_sngisdn_data.ccs[suId].mutex);
if (!(spInstId && get_ftdmchan_by_spInstId(suId, spInstId, &sngisdn_info) == FTDM_SUCCESS) &&
!(suInstId && get_ftdmchan_by_suInstId(suId, suInstId, &sngisdn_info) == FTDM_SUCCESS)) {
ftdm_log(FTDM_LOG_CRIT, "Could not find matching call suId:%u suInstId:%u spInstId:%u\n", suId, suInstId, spInstId);
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
return;
}
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_INFO, "Received STATUS CONFIRM (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
sngisdn_event = ftdm_malloc(sizeof(*sngisdn_event));
ftdm_assert(sngisdn_event != NULL, "Failed to allocate memory\n");
memset(sngisdn_event, 0, sizeof(*sngisdn_event));
sngisdn_event->event_id = SNGISDN_EVENT_STA_CFM;
sngisdn_event->sngisdn_info = sngisdn_info;
sngisdn_event->suId = suId;
sngisdn_event->suInstId = suInstId;
sngisdn_event->spInstId = spInstId;
memcpy(&sngisdn_event->event.staEvnt, staEvnt, sizeof(*staEvnt));
ftdm_queue_enqueue(((sngisdn_span_data_t*)sngisdn_info->ftdmchan->span->signal_data)->event_queue, sngisdn_event);
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
}
void sngisdn_process_cnst_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
uint8_t ces = sngisdn_event->ces;
uint8_t evntType = sngisdn_event->evntType;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
CnStEvnt *cnStEvnt = &sngisdn_event->event.cnStEvnt;
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing %s (suId:%u suInstId:%u spInstId:%u ces:%d)\n",
(evntType == MI_ALERTING)?"ALERT":
(evntType == MI_CALLPROC)?"PROCEED":
(evntType == MI_PROGRESS)?"PROGRESS":
(evntType == MI_SETUPACK)?"SETUP ACK":
(evntType == MI_INFO)?"INFO":"UNKNOWN",
suId, suInstId, spInstId, ces);
switch(evntType) {
case MI_PROGRESS:
if (signal_data->switchtype == SNGISDN_SWITCH_NI2 &&
cnStEvnt->causeDgn[0].eh.pres && cnStEvnt->causeDgn[0].causeVal.pres) {
switch(cnStEvnt->causeDgn[0].causeVal.val) {
case 17: /* User Busy */
case 18: /* No User responding */
case 19: /* User alerting, no answer */
case 21: /* Call rejected, the called party does not with to accept this call */
case 27: /* Destination out of order */
case 31: /* Normal, unspecified */
case 34: /* Circuit/Channel congestion */
case 41: /* Temporary failure */
case 42: /* Switching equipment is experiencing a period of high traffic */
case 47: /* Resource unavailable */
case 58: /* Bearer Capability not available */
case 63: /* Service or option not available */
case 65: /* Bearer Cap not implemented, not supported */
case 79: /* Service or option not implemented, unspecified */
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Cause requires disconnect (cause:%d)\n", cnStEvnt->causeDgn[0].causeVal.val);
ftdmchan->caller_data.hangup_cause = cnStEvnt->causeDgn[0].causeVal.val;
sngisdn_set_flag(sngisdn_info, FLAG_SEND_DISC);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
goto sngisdn_process_cnst_ind_end;
}
}
/* fall-through */
case MI_ALERTING:
case MI_CALLPROC:
switch(ftdmchan->state) {
case FTDM_CHANNEL_STATE_DIALING:
if (evntType == MI_PROGRESS ||
(cnStEvnt->progInd.eh.pres && cnStEvnt->progInd.progDesc.val == IN_PD_IBAVAIL)) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA);
} else {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_PROGRESS);
}
break;
case FTDM_CHANNEL_STATE_PROGRESS:
if (evntType == MI_PROGRESS ||
(cnStEvnt->progInd.eh.pres && cnStEvnt->progInd.progDesc.val == IN_PD_IBAVAIL)) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA);
}
break;
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
/* We are already in progress media, we can't go to any higher state except up */
/* Do nothing */
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Processing ALERT/PROCEED/PROGRESS in an invalid state (%s)\n", ftdm_channel_state2str(ftdmchan->state));
/* Start the disconnect procedure */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
}
break;
case MI_SETUPACK:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Processing SETUP_ACK, but overlap sending not implemented (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
break;
case MI_INFO:
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing INFO (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
if (cnStEvnt->cdPtyNmb.eh.pres) {
switch(ftdmchan->state) {
case FTDM_CHANNEL_STATE_COLLECT:
{
ftdm_size_t min_digits = ((sngisdn_span_data_t*)ftdmchan->span->signal_data)->min_digits;
ftdm_size_t num_digits;
cpy_called_num_from_stack(&ftdmchan->caller_data, &cnStEvnt->cdPtyNmb);
num_digits = strlen(ftdmchan->caller_data.dnis.digits);
if (cnStEvnt->sndCmplt.eh.pres || num_digits >= min_digits) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
} else {
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "received %d of %d digits\n", num_digits, min_digits);
}
}
break;
case FTDM_CHANNEL_STATE_RING:
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
case FTDM_CHANNEL_STATE_UP:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Receiving more digits %s, but we already proceeded with call\n", cnStEvnt->cdPtyNmb.nmbDigits.val);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "\n", suId, suInstId, spInstId);
break;
}
}
break;
default:
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Unhandled STATUS event\n");
break;
}
sngisdn_process_cnst_ind_end:
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
/* Remote side transmit a CONNECT or CONNECT ACK */
void sngisdn_process_con_cfm (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
uint8_t ces = sngisdn_event->ces;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
/* Function does not require any info from conStEvnt struct for now */
/* CnStEvnt *cnStEvnt = &sngisdn_event->event.cnStEvnt; */
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing CONNECT/CONNECT ACK (suId:%u suInstId:%u spInstId:%u ces:%d)\n", suId, suInstId, spInstId, ces);
if (ftdmchan->span->trunk_type == FTDM_TRUNK_BRI_PTMP &&
((sngisdn_span_data_t*)ftdmchan->span->signal_data)->signalling == SNGISDN_SIGNALING_NET) {
if(sngisdn_info->ces == CES_MNGMNT) {
/* We assign the call to the first TE */
sngisdn_info->ces = ces;
} else {
/* We already assigned this call, do nothing */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Call already assigned, ignoring connect\n");
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
}
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
switch(ftdmchan->state) {
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
case FTDM_CHANNEL_STATE_DIALING:
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_UP);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Processing CONNECT/CONNECT ACK in an invalid state (%s)\n", ftdm_channel_state2str(ftdmchan->state));
/* Start the disconnect procedure */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
}
} else {
switch(ftdmchan->state) {
case FTDM_CHANNEL_STATE_UP:
/* This is the only valid state we should get a CONNECT ACK on */
/* do nothing */
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* We just hung up an incoming call right after we sent a CONNECT so ignore this message */
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Processing CONNECT/CONNECT ACK in an invalid state (%s)\n", ftdm_channel_state2str(ftdmchan->state));
/* Start the disconnect procedure */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
}
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_sta_cfm (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
StaEvnt *staEvnt = &sngisdn_event->event.staEvnt;
uint8_t call_state = 0;
if (staEvnt->callSte.eh.pres && staEvnt->callSte.callGlblSte.pres) {
call_state = staEvnt->callSte.callGlblSte.val;
}
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing STATUS CONFIRM (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
if (staEvnt->causeDgn[0].eh.pres && staEvnt->causeDgn[0].causeVal.pres) {
if (staEvnt->callSte.eh.pres && staEvnt->callSte.callGlblSte.pres) {
call_state = staEvnt->callSte.callGlblSte.val;
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Received STATUS without call state\n");
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
switch (staEvnt->causeDgn[0].causeVal.val) {
case FTDM_CAUSE_RESPONSE_TO_STATUS_ENQUIRY:
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Status Check OK:%d", call_state);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
case FTDM_CAUSE_WRONG_CALL_STATE:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Message incompatible with call state (call_state:%d channel-state:%s cause:%d) (suId:%u suInstId:%u spInstId:%u)\n", call_state, ftdm_channel_state2str(ftdmchan->state), staEvnt->causeDgn[0].causeVal.val, suId, suInstId, spInstId);
break;
case FTDM_CAUSE_RECOVERY_ON_TIMER_EXPIRE:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Recovery on timer expire (call_state:%d channel-state:%s cause:%d) (suId:%u suInstId:%u spInstId:%u)\n", call_state, ftdm_channel_state2str(ftdmchan->state), staEvnt->causeDgn[0].causeVal.val, suId, suInstId, spInstId);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "STATUS CONFIRM (call_state:%d channel-state:%s cause:%d) (suId:%u suInstId:%u spInstId:%u)\n", call_state, ftdm_channel_state2str(ftdmchan->state), staEvnt->causeDgn[0].causeVal.val, suId, suInstId, spInstId);
break;
}
/* Section 4.3.30 from INT Interface - Service Definition */
ftdmchan->caller_data.hangup_cause = staEvnt->causeDgn[0].causeVal.val;
switch(call_state) {
/* Sere ITU-T Q931 for definition of call states */
case 0: /* Remote switch thinks there are no calls on this channel */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_COLLECT:
case FTDM_CHANNEL_STATE_DIALING:
case FTDM_CHANNEL_STATE_UP:
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_ABORT);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
case FTDM_CHANNEL_STATE_TERMINATING:
/* We are in the process of clearing local states,
just make sure we will not send any messages to remote switch */
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_ABORT);
break;
case FTDM_CHANNEL_STATE_HANGUP:
/* This cannot happen, state_advance always sets
ftdmchan to STATE_HANGUP_COMPLETE when in STATE_HANGUP
and we called check_for_state_change earlier so something is very wrong here!!! */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_CRIT, "How can we we in FTDM_CHANNEL_STATE_HANGUP after checking for state change?\n");
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_DOWN);
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* We were waiting for remote switch to send RELEASE COMPLETE
but this will not happen, so just clear local state */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_DOWN);
break;
case FTDM_CHANNEL_STATE_DOWN:
/* If our local state is down as well, then there is nothing to do */
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 1:
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_UP:
/* Remote side is still waiting for our CONNECT message */
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
ftdm_sched_timer(((sngisdn_span_data_t*)ftdmchan->span->signal_data)->sched, "delayed_connect", 1, sngisdn_delayed_connect, (void*) sngisdn_info, NULL);
break;
}
/* Fall-through */
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 2: /* overlap sending/receiving */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_COLLECT:
/* T302 Timeout reached */
/* Send the call to user, and see if they accept it */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "T302 Timer expired, proceeding with call\n");
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
break;
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Remote switch expecting OVERLAP receive, but we are already PROCEEDING\n");
sngisdn_snd_disconnect(ftdmchan);
break;
case FTDM_CHANNEL_STATE_DOWN:
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* We hung up locally, but remote switch doesn't know send disconnect again*/
sngisdn_snd_disconnect(ftdmchan);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 3:
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_PROGRESS:
/* T310 timer has expired */
ftdmchan->caller_data.hangup_cause = staEvnt->causeDgn[0].causeVal.val;
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "T310 Timer expired, hanging up call\n");
sngisdn_set_flag(sngisdn_info, FLAG_SEND_DISC);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
case FTDM_CHANNEL_STATE_UP:
/* Remote side is still waiting for our CONNECT message */
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
ftdm_sched_timer(((sngisdn_span_data_t*)ftdmchan->span->signal_data)->sched, "delayed_connect", 1, sngisdn_delayed_connect, (void*) sngisdn_info, NULL);
break;
}
/* Fall-through */
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 8: /* Remote switch is in "Connect Request state" */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_UP:
/* This is ok. We sent a Connect, and we are waiting for a connect ack */
/* Do nothing */
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* We hung up locally, but remote switch doesn't know send disconnect again*/
sngisdn_snd_disconnect(ftdmchan);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 9: /* Remote switch is in "Incoming call proceeding" state */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
case FTDM_CHANNEL_STATE_GET_CALLERID:
/* Do nothing */
break;
case FTDM_CHANNEL_STATE_UP:
/* Remote switch missed our CONNECT message, re-send */
ftdm_sched_timer(((sngisdn_span_data_t*)ftdmchan->span->signal_data)->sched, "delayed_connect", 1, sngisdn_delayed_connect, (void*) sngisdn_info, NULL);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 10: /* Remote switch is in active state */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_UP:
/* This is ok, they are in active state and we are in active state */
/* Do nothing */
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* We sent a disconnect message, but remote side missed it ? */
ftdm_sched_timer(((sngisdn_span_data_t*)ftdmchan->span->signal_data)->sched, "delayed_disconnect", 1, sngisdn_delayed_disconnect, (void*) sngisdn_info, NULL);
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
break;
}
break;
case 22:
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_UP:
/* Stack is in the process of clearing the call*/
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
break;
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* Do nothing as we will get a RELEASE COMPLETE */
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
//ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RESTART);
break;
}
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Don't know how to handle incompatible state. remote call state:%d our state:%s\n", call_state, ftdm_channel_state2str(ftdmchan->state));
//ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RESTART);
break;
}
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
/* Remote side transmit a SETUP */
void sngisdn_process_con_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
int16_t dChan = sngisdn_event->dChan;
uint8_t ces = sngisdn_event->ces;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
ConEvnt *conEvnt = &sngisdn_event->event.conEvnt;
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
ftdm_log_chan(sngisdn_info->ftdmchan, FTDM_LOG_DEBUG, "Processing SETUP (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_DOWN: /* Proper state to receive a SETUP */
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_INUSE) ||
ftdm_channel_open_chan(ftdmchan) != FTDM_SUCCESS) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_INFO, "Received SETUP but channel is in USE, saving call for later processing\n");
/* the flag the channel as having a collision */
sngisdn_set_flag(sngisdn_info, FLAG_GLARE);
/* save the SETUP for processing once the channel has gone to DOWN */
memcpy(&sngisdn_info->glare.setup, conEvnt, sizeof(*conEvnt));
sngisdn_info->glare.suId = suId;
sngisdn_info->glare.suInstId = suInstId; /* Do not generate a suInstId now, we will generate when glared call gets extracted */
sngisdn_info->glare.spInstId = spInstId;
sngisdn_info->glare.dChan = dChan;
sngisdn_info->glare.ces = ces;
break;
}
sngisdn_info->suInstId = get_unique_suInstId(suId);
sngisdn_info->spInstId = spInstId;
/* If this is a glared call that was previously saved, we moved
all the info to the current call, so clear the glared saved data */
if (sngisdn_info->glare.spInstId == spInstId) {
clear_call_glare_data(sngisdn_info);
}
ftdm_mutex_lock(g_sngisdn_data.ccs[suId].mutex);
g_sngisdn_data.ccs[suId].active_suInstIds[sngisdn_info->suInstId] = sngisdn_info;
ftdm_mutex_unlock(g_sngisdn_data.ccs[suId].mutex);
ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND);
if (ftdmchan->span->trunk_type == FTDM_TRUNK_BRI_PTMP &&
signal_data->signalling == SNGISDN_SIGNALING_NET) {
sngisdn_info->ces = ces;
}
/* try to open the channel */
if (ftdm_channel_open_chan(ftdmchan) != FTDM_SUCCESS) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_CRIT, "Failed to open channel");
sngisdn_set_flag(sngisdn_info, FLAG_LOCAL_REL);
ftdmchan->caller_data.hangup_cause = FTDM_CAUSE_NORMAL_TEMPORARY_FAILURE;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_CANCEL);
break;
}
#if 0
/* Export ftdmchan variables here if we need to */
ftdm_channel_add_var(ftdmchan, "isdn_specific_var", "1");
ftdm_channel_add_var(ftdmchan, "isdn_crap", "morecrap");
ftdm_channel_add_var(ftdmchan, "isdn_stuff", "s");
ftdm_channel_add_var(ftdmchan, "isdn_d", "asdsadasdasdsad");
#endif
/* Fill in call information */
cpy_calling_num_from_stack(&ftdmchan->caller_data, &conEvnt->cgPtyNmb);
cpy_called_num_from_stack(&ftdmchan->caller_data, &conEvnt->cdPtyNmb);
cpy_calling_name_from_stack(&ftdmchan->caller_data, &conEvnt->display);
if (conEvnt->bearCap[0].eh.pres) {
ftdmchan->caller_data.bearer_layer1 = sngisdn_get_infoTranCap_from_stack(conEvnt->bearCap[0].usrInfoLyr1Prot.val);
ftdmchan->caller_data.bearer_capability = sngisdn_get_infoTranCap_from_stack(conEvnt->bearCap[0].infoTranCap.val);
}
if (signal_data->switchtype == SNGISDN_SWITCH_NI2) {
if (conEvnt->shift11.eh.pres && conEvnt->ni2OctStr.eh.pres) {
if (conEvnt->ni2OctStr.str.len == 4 && conEvnt->ni2OctStr.str.val[0] == 0x37) {
snprintf(ftdmchan->caller_data.aniII, 5, "%.2d", conEvnt->ni2OctStr.str.val[3]);
}
}
if (signal_data->facility == SNGISDN_OPT_TRUE && conEvnt->facilityStr.eh.pres) {
/* Verify whether the Caller Name will come in a subsequent FACILITY message */
uint16_t ret_val;
char retrieved_str[255];
ret_val = sng_isdn_retrieve_facility_caller_name(conEvnt->facilityStr.facilityStr.val, conEvnt->facilityStr.facilityStr.len, retrieved_str);
/*
return values for "sng_isdn_retrieve_facility_information_following":
If there will be no information following, or fails to decode IE, returns -1
If there will be no information following, but current FACILITY IE contains a caller name, returns 0
If there will be information following, returns 1
*/
if (ret_val == 1) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Expecting Caller name in FACILITY\n");
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_GET_CALLERID);
/* Launch timer in case we never get a FACILITY msg */
if (signal_data->facility_timeout) {
ftdm_sched_timer(signal_data->sched, "facility_timeout", signal_data->facility_timeout,
sngisdn_facility_timeout, (void*) sngisdn_info, &sngisdn_info->timers[SNGISDN_TIMER_FACILITY]);
}
break;
} else if (ret_val == 0) {
strcpy(ftdmchan->caller_data.cid_name, retrieved_str);
}
}
}
if (signal_data->overlap_dial == SNGISDN_OPT_TRUE && !conEvnt->sndCmplt.eh.pres) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_COLLECT);
} else {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
}
break;
case FTDM_CHANNEL_STATE_TERMINATING:
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_INFO, "Processing SETUP in TERMINATING state, saving SETUP info for later processing\n");
ftdm_assert(!sngisdn_test_flag(sngisdn_info, FLAG_GLARE), "Trying to save GLARE info, but we already had a glare\n");
sngisdn_set_flag(sngisdn_info, FLAG_GLARE);
/* save the SETUP for processing once the channel has gone to DOWN */
memcpy(&sngisdn_info->glare.setup, conEvnt, sizeof(*conEvnt));
sngisdn_info->glare.suId = suId;
sngisdn_info->glare.suInstId = suInstId; /* Do not generate a suInstId now, we will generate when glared call gets extracted */
sngisdn_info->glare.spInstId = spInstId;
sngisdn_info->glare.dChan = dChan;
sngisdn_info->glare.ces = ces;
break;
case FTDM_CHANNEL_STATE_DIALING: /* glare */
if (signal_data->signalling == SNGISDN_SIGNALING_NET) {
/* Save inbound call info so we can send a RELEASE when this channel goes to a different state */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Processing SETUP in DIALING state, rejecting inbound call\n");
sngisdn_set_flag(sngisdn_info, FLAG_DELAYED_REL);
sngisdn_info->glare.suId = suId;
sngisdn_info->glare.suInstId = get_unique_suInstId(suId);
sngisdn_info->glare.spInstId = spInstId;
sngisdn_info->glare.dChan = dChan;
sngisdn_info->glare.ces = ces;
ftdmchan->caller_data.hangup_cause = 0x2C; /* Channel requested not available */
ftdm_sched_timer(signal_data->sched, "delayed_release", 1, sngisdn_delayed_release, (void*) sngisdn_info, NULL);
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_INFO, "Processing SETUP in DIALING state, saving SETUP info for later processing\n");
/* the flag the channel as having a collision */
ftdm_assert(!sngisdn_test_flag(sngisdn_info, FLAG_GLARE), "Trying to save GLARE info, but we already had a glare");
sngisdn_set_flag(sngisdn_info, FLAG_GLARE);
/* save the SETUP for processing once the channel has gone to DOWN */
memcpy(&sngisdn_info->glare.setup, conEvnt, sizeof(*conEvnt));
sngisdn_info->glare.suId = suId;
sngisdn_info->glare.suInstId = suInstId; /* Do not generate a suInstId now, we will generate when glared call gets extracted */
sngisdn_info->glare.spInstId = spInstId;
sngisdn_info->glare.dChan = dChan;
sngisdn_info->glare.ces = ces;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
}
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Processing SETUP in an invalid state (%s)\n", ftdm_channel_state2str(ftdmchan->state));
break;
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
void sngisdn_process_rel_ind (sngisdn_event_data_t *sngisdn_event)
{
ISDN_FUNC_TRACE_ENTER(__FUNCTION__);
int16_t suId = sngisdn_event->suId;
uint32_t suInstId = sngisdn_event->suInstId;
uint32_t spInstId = sngisdn_event->spInstId;
sngisdn_chan_data_t *sngisdn_info = sngisdn_event->sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
RelEvnt *relEvnt = &sngisdn_event->event.relEvnt;
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Processing RELEASE/RELEASE COMPLETE (suId:%u suInstId:%u spInstId:%u)\n", suId, suInstId, spInstId);
ftdm_assert(!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE), "State change flag pending\n");
if ((suInstId && (sngisdn_info->glare.suInstId == suInstId)) ||
(spInstId && (sngisdn_info->glare.spInstId == spInstId))) {
/* This hangup is for a glared saved call */
ftdm_clear_flag(sngisdn_info, FLAG_DELAYED_REL);
clear_call_glare_data(sngisdn_info);
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
/* check whether the ftdm channel is in a state to accept a call */
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_HANGUP_COMPLETE:
/* go to DOWN */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_DOWN);
break;
case FTDM_CHANNEL_STATE_DOWN:
/* do nothing, just drop the message */
break;
case FTDM_CHANNEL_STATE_DIALING:
/* Remote side rejected our SETUP message on outbound call */
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_SIG_UP)) {
sng_isdn_set_avail_rate(ftdmchan->span, SNGISDN_AVAIL_DOWN);
}
/* fall-through */
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
case FTDM_CHANNEL_STATE_UP:
case FTDM_CHANNEL_STATE_RING:
/* If we previously had a glare on this channel,
this RELEASE could be for the previous call. Confirm whether call_data has
not changed while we were waiting for ftdmchan->mutex by comparing suInstId's */
if (((sngisdn_chan_data_t*)ftdmchan->call_data)->suInstId == suInstId ||
((sngisdn_chan_data_t*)ftdmchan->call_data)->spInstId == spInstId) {
if (relEvnt->causeDgn[0].eh.pres && relEvnt->causeDgn[0].causeVal.pres) {
ftdmchan->caller_data.hangup_cause = relEvnt->causeDgn[0].causeVal.val;
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "cause:%d\n", ftdmchan->caller_data.hangup_cause);
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "RELEASE COMPLETE did not have a cause code\n");
ftdmchan->caller_data.hangup_cause = 0;
}
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_ABORT);
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
} else {
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "RELEASE was for previous call (suInstId:%u spInstId:%u)\n", suInstId, spInstId);
}
break;
case FTDM_CHANNEL_STATE_COLLECT:
case FTDM_CHANNEL_STATE_GET_CALLERID:
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_CANCEL);
break;
case FTDM_CHANNEL_STATE_TERMINATING:
if (sngisdn_test_flag(sngisdn_info, FLAG_GLARE) &&
sngisdn_info->glare.suInstId != suInstId) {
/* This release if for the outbound call that we already started clearing */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Received RELEASE for local glared call\n");
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_ABORT);
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Received release before we could clear local call\n");
/* FS core took too long to respond to the SIG STOP event */
sngisdn_set_flag(sngisdn_info, FLAG_REMOTE_ABORT);
/* set abort flag so that we do not transmit another release complete on this channel once FS core is done */
}
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Received RELEASE in an invalid state (%s)\n",
ftdm_channel_state2str(ftdmchan->state));
break;
}
ISDN_FUNC_TRACE_EXIT(__FUNCTION__);
return;
}
