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freetdm: ftmod_r2 - updated ftdm_r2_set_channel_sig_status() to notify the user of signaling changes 

just when specified on docs/sigstatus.txt.
					also updated ftdm_r2_set_span_sig_status(), so that it uses the former to set channels
                    status, instead of doing it directly.
This commit is contained in:
Arnaldo Pereira 2010-12-17 15:50:11 -02:00
parent 11642cce3c
commit d3a24be0ba
1 changed files with 33 additions and 23 deletions
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56
libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
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@ -456,19 +456,43 @@ static FIO_CHANNEL_GET_SIG_STATUS_FUNCTION(ftdm_r2_get_channel_sig_status)
static FIO_CHANNEL_SET_SIG_STATUS_FUNCTION(ftdm_r2_set_channel_sig_status)
{
openr2_chan_t *r2chan = R2CALL(ftdmchan)->r2chan;
openr2_cas_signal_t rxcas, txcas;
/* get the current rx and tx cas bits */
openr2_chan_get_cas(r2chan, &rxcas, &txcas);
/* if we're already in the state the user asks us to be, we have nothing to do */
if (status == FTDM_SIG_STATE_SUSPENDED && txcas == OR2_CAS_BLOCK) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Channel signaling status already in BLOCK state\n");
return FTDM_SUCCESS;
}
if (status == FTDM_SIG_STATE_UP && txcas == OR2_CAS_IDLE) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Channel signaling status already in IDLE state\n");
return FTDM_SUCCESS;
}
/* set the signaling as requested and send SIGEVENT_SIGSTATUS_CHANGED, if applicable.
* see docs/sigstatus.txt for details */
switch(status) {
case FTDM_SIG_STATE_DOWN:
case FTDM_SIG_STATE_SUSPENDED:
openr2_chan_set_blocked(r2chan);
if (rxcas == OR2_CAS_IDLE) {
ftdm_r2_set_chan_sig_status(ftdmchan, status);
}
break;
case FTDM_SIG_STATE_UP:
openr2_chan_set_idle(r2chan);
if (rxcas == OR2_CAS_IDLE) {
ftdm_r2_set_chan_sig_status(ftdmchan, status);
}
break;
case FTDM_SIG_STATE_DOWN:
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "The user is not allowed to set signaling status to DOWN\n");
return FTDM_FAIL;
default:
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Cannot set signaling status to unknown value '%d'\n", status);
return FTDM_FAIL;
}
ftdm_r2_set_chan_sig_status(ftdmchan, status);
return FTDM_SUCCESS;
}
@ -497,20 +521,10 @@ static FIO_SPAN_SET_SIG_STATUS_FUNCTION(ftdm_r2_set_span_sig_status)
{
ftdm_iterator_t *chaniter = NULL;
ftdm_iterator_t *citer = NULL;
uint32_t span_opr = -1;
/* we either set the channels to BLOCK or IDLE */
switch(status) {
case FTDM_SIG_STATE_DOWN:
case FTDM_SIG_STATE_SUSPENDED:
span_opr = 0;
break;
case FTDM_SIG_STATE_UP:
span_opr = 1;
break;
default:
ftdm_log(FTDM_LOG_WARNING, "Cannot set signaling status to unknown value '%d'\n", status);
return FTDM_FAIL;
if (status == FTDM_SIG_STATE_DOWN) {
ftdm_log(FTDM_LOG_WARNING, "The user is not allowed to set the span signaling status to DOWN\n");
return FTDM_FAIL;
}
chaniter = ftdm_span_get_chan_iterator(span, NULL);
@ -521,15 +535,11 @@ static FIO_SPAN_SET_SIG_STATUS_FUNCTION(ftdm_r2_set_span_sig_status)
/* iterate over all channels, setting them to the requested state */
for (citer = chaniter; citer; citer = ftdm_iterator_next(citer)) {
ftdm_channel_t *fchan = ftdm_iterator_current(citer);
openr2_chan_t *r2chan = R2CALL(fchan)->r2chan;
if (span_opr == 0) {
openr2_chan_set_blocked(r2chan);
ftdm_log_chan_msg(fchan, FTDM_LOG_NOTICE, "Channel blocked\n");
} else {
openr2_chan_set_idle(r2chan);
ftdm_log_chan_msg(fchan, FTDM_LOG_NOTICE, "Channel idle\n");
/* we set channel's state through ftdm_r2_set_channel_sig_status(), since it already takes
* care of notifying the user when appropriate */
if ((ftdm_r2_set_channel_sig_status(fchan, status)) != FTDM_SUCCESS) {
ftdm_log_chan(fchan, FTDM_LOG_ERROR, "Failed to set signaling status to %s\n", ftdm_signaling_status2str(status));
}
ftdm_r2_set_chan_sig_status(fchan, status);
}
ftdm_iterator_free(chaniter);
return FTDM_SUCCESS;