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freetdm: ftmod_zt - created zt_channel_next_event() to poll for events on a single channel

This commit is contained in:
Arnaldo Pereira 2010-12-09 12:48:33 -02:00
parent 18299684bf
commit fa05585f1a
1 changed files with 102 additions and 0 deletions
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102
libs/freetdm/src/ftmod/ftmod_zt/ftmod_zt.c
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@ -177,6 +177,7 @@ static ftdm_socket_t CONTROL_FD = ZT_INVALID_SOCKET;
FIO_SPAN_NEXT_EVENT_FUNCTION(zt_next_event);
FIO_SPAN_POLL_EVENT_FUNCTION(zt_poll_event);
FIO_CHANNEL_NEXT_EVENT_FUNCTION(zt_channel_next_event);
/**
* \brief Initialises codec, and rx/tx gains
@ -981,6 +982,107 @@ FIO_SPAN_POLL_EVENT_FUNCTION(zt_poll_event)
return k ? FTDM_SUCCESS : FTDM_FAIL;
}
/**
* \brief Retrieves an event from a ftdmtel span
* \param ftdmchan Channel to retrieve event from
* \param event FreeTDM event to return
* \return Success or failure
*/
FIO_CHANNEL_NEXT_EVENT_FUNCTION(zt_channel_next_event)
{
uint32_t i, event_id = FTDM_OOB_INVALID;
zt_event_t zt_event_id = 0;
ftdm_span_t *span = ftdmchan->span;
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_EVENT)) {
ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_EVENT);
if (ioctl(ftdmchan->sockfd, codes.GETEVENT, &zt_event_id) == -1) {
snprintf(span->last_error, sizeof(span->last_error), "%s", strerror(errno));
return FTDM_FAIL;
}
switch(zt_event_id) {
case ZT_EVENT_RINGEROFF:
{
return FTDM_FAIL;
}
break;
case ZT_EVENT_RINGERON:
{
return FTDM_FAIL;
}
break;
case ZT_EVENT_RINGBEGIN:
{
event_id = FTDM_OOB_RING_START;
}
break;
case ZT_EVENT_ONHOOK:
{
event_id = FTDM_OOB_ONHOOK;
}
break;
case ZT_EVENT_WINKFLASH:
{
if (ftdmchan->state == FTDM_CHANNEL_STATE_DOWN || ftdmchan->state == FTDM_CHANNEL_STATE_DIALING) {
event_id = FTDM_OOB_WINK;
} else {
event_id = FTDM_OOB_FLASH;
}
}
break;
case ZT_EVENT_RINGOFFHOOK:
{
if (ftdmchan->type == FTDM_CHAN_TYPE_FXS || (ftdmchan->type == FTDM_CHAN_TYPE_EM && ftdmchan->state != FTDM_CHANNEL_STATE_UP)) {
ftdm_set_flag_locked(ftdmchan, FTDM_CHANNEL_OFFHOOK);
event_id = FTDM_OOB_OFFHOOK;
} else if (ftdmchan->type == FTDM_CHAN_TYPE_FXO) {
event_id = FTDM_OOB_RING_START;
} else {
event_id = FTDM_OOB_NOOP;
}
}
break;
case ZT_EVENT_ALARM:
{
event_id = FTDM_OOB_ALARM_TRAP;
}
break;
case ZT_EVENT_NOALARM:
{
event_id = FTDM_OOB_ALARM_CLEAR;
}
break;
case ZT_EVENT_BITSCHANGED:
{
event_id = FTDM_OOB_CAS_BITS_CHANGE;
int bits = 0;
int err = ioctl(ftdmchan->sockfd, codes.GETRXBITS, &bits);
if (err) {
return FTDM_FAIL;
}
ftdmchan->rx_cas_bits = bits;
}
break;
default:
{
ftdm_log(FTDM_LOG_WARNING, "Unhandled event %d for %d:%d\n", zt_event_id, span->span_id, i);
event_id = FTDM_OOB_INVALID;
}
break;
}
ftdmchan->last_event_time = 0;
span->event_header.e_type = FTDM_EVENT_OOB;
span->event_header.enum_id = event_id;
span->event_header.channel = ftdmchan;
*event = &span->event_header;
return FTDM_SUCCESS;
}
return FTDM_FAIL;
}
/**
* \brief Retrieves an event from a ftdmtel span
* \param span Span to retrieve event from