void sngisdn_delayed_connect(void* p_sngisdn_info)
{
sngisdn_chan_data_t *sngisdn_info = (sngisdn_chan_data_t*)p_sngisdn_info;
ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
ftdm_mutex_lock(ftdmchan->mutex);
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Sending delayed CONNECT (suId:%d suInstId:%u spInstId:%u)\n",
signal_data->cc_id, sngisdn_info->glare.spInstId, sngisdn_info->glare.suInstId);
sngisdn_snd_connect(ftdmchan);
ftdm_mutex_unlock(ftdmchan->mutex);
return;
}
static ftdm_status_t att_courtesy_vru(ftdm_channel_t *ftdmchan, sngisdn_transfer_type_t type, char* args)
{
char dtmf_digits[64];
ftdm_status_t status = FTDM_FAIL;
sngisdn_chan_data_t *sngisdn_info = ftdmchan->call_data;
sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
char *p = args;
uint8_t forced_answer = 0;
switch (signal_data->switchtype) {
case SNGISDN_SWITCH_5ESS:
case SNGISDN_SWITCH_4ESS:
break;
default:
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "AT&T Courtesy Transfer not supported for switchtype\n");
return FTDM_FAIL;
}
while (!ftdm_strlen_zero(p)) {
if (!isdigit(*p) && *p != 'w' && *p != 'W') {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Cannot transfer to non-numeric number:%s\n", args);
return FTDM_FAIL;
}
p++;
}
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Performing AT&T Courtesy Transfer-VRU%s to %s\n", (type == SNGISDN_TRANSFER_ATT_COURTESY_VRU_DATA) ?"--data" : "", args);
sprintf(dtmf_digits, "*8w%s", args);
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Sending digits %s\n", dtmf_digits);
switch (ftdmchan->last_state) {
case FTDM_CHANNEL_STATE_PROCEED:
case FTDM_CHANNEL_STATE_PROGRESS:
case FTDM_CHANNEL_STATE_PROGRESS_MEDIA:
/* Call has to be in answered state - so send a CONNECT message if we did not answer this call yet */
forced_answer++;
sngisdn_snd_connect(ftdmchan);
/* fall-through */
case FTDM_CHANNEL_STATE_UP:
memset(&sngisdn_info->transfer_data.tdata.att_courtesy_vru.dtmf_digits, 0, sizeof(sngisdn_info->transfer_data.tdata.att_courtesy_vru.dtmf_digits));
sngisdn_info->transfer_data.type = type;
/* We will be polling the channel for IO so that we can receive the DTMF events,
* Disable user RX otherwise it is a race between who calls channel_read */
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_RX_DISABLED);
ftdm_channel_command(ftdmchan, FTDM_COMMAND_ENABLE_DTMF_DETECT, NULL);
ftdm_channel_command(ftdmchan, FTDM_COMMAND_SEND_DTMF, dtmf_digits);
if (type == SNGISDN_TRANSFER_ATT_COURTESY_VRU_DATA) {
/* We need to save transfer data, so we can send it in the disconnect msg */
const char *val = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "transfer_data");
if (ftdm_strlen_zero(val)) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "Cannot perform data transfer because transfer_data variable is not set\n");
goto done;
}
if (strlen(val) > COURTESY_TRANSFER_MAX_DATA_SIZE) {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Data exceeds max size (len:%"FTDM_SIZE_FMT" max:%d), cannot perform transfer\n", strlen(val), COURTESY_TRANSFER_MAX_DATA_SIZE);
goto done;
}
memcpy(sngisdn_info->transfer_data.tdata.att_courtesy_vru.data, val, strlen(val));
}
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_UP);
if (forced_answer) {
/* Notify the user that we answered the call */
sngisdn_send_signal(sngisdn_info, FTDM_SIGEVENT_UP);
}
if (signal_data->transfer_timeout) {
ftdm_sched_timer(((sngisdn_span_data_t*)ftdmchan->span->signal_data)->sched, "courtesy_transfer_timeout", signal_data->transfer_timeout, att_courtesy_transfer_timeout, (void*) sngisdn_info, &sngisdn_info->timers[SNGISDN_CHAN_TIMER_ATT_TRANSFER]);
}
status = FTDM_SUCCESS;
break;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Cannot perform transfer in state %s\n", ftdm_channel_state2str(ftdmchan->state));
break;
}
done:
return status;
}
