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freetdm: ftdm_channel_read_event() to retrieve events from a channel, removed from ftmod_r2: ftdm_r2_sig_read(), FTDM_R2_PROCESSING flag and locks for ftdmchan

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This commit is contained in:
Arnaldo Pereira
2010-11-24 21:25:24 -02:00
parent 473a04651c
commit 03dc3b7b8d
5 changed files with 311 additions and 84 deletions
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45
libs/freetdm/src/ftdm_io.c
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@@ -988,6 +988,51 @@ FT_DECLARE(ftdm_status_t) ftdm_span_next_event(ftdm_span_t *span, ftdm_event_t *
return status;
}
FT_DECLARE(ftdm_status_t) ftdm_channel_read_event(ftdm_channel_t *ftdmchan, ftdm_event_t **event)
{
ftdm_status_t status = FTDM_FAIL;
ftdm_sigmsg_t sigmsg;
ftdm_span_t *span = ftdmchan->span;
ftdm_assert_return(span->fio != NULL, FTDM_FAIL, "No I/O module attached to this span!\n");
if (!span->fio->channel_next_event) {
ftdm_log(FTDM_LOG_ERROR, "channel_next_event method not implemented in module %s!", span->fio->name);
return FTDM_NOTIMPL;
}
status = span->fio->channel_next_event(ftdmchan, event);
if (status != FTDM_SUCCESS) {
return status;
}
/* before returning the event to the user we do some core operations with certain OOB events */
memset(&sigmsg, 0, sizeof(sigmsg));
sigmsg.span_id = span->span_id;
sigmsg.chan_id = (*event)->channel->chan_id;
sigmsg.channel = (*event)->channel;
switch ((*event)->enum_id) {
case FTDM_OOB_ALARM_CLEAR:
{
sigmsg.event_id = FTDM_SIGEVENT_ALARM_CLEAR;
ftdm_clear_flag_locked((*event)->channel, FTDM_CHANNEL_IN_ALARM);
ftdm_span_send_signal(span, &sigmsg);
}
break;
case FTDM_OOB_ALARM_TRAP:
{
sigmsg.event_id = FTDM_SIGEVENT_ALARM_TRAP;
ftdm_set_flag_locked((*event)->channel, FTDM_CHANNEL_IN_ALARM);
ftdm_span_send_signal(span, &sigmsg);
}
break;
default:
/* NOOP */
break;
}
return status;
}
static ftdm_status_t ftdmchan_fsk_write_sample(int16_t *buf, ftdm_size_t buflen, void *user_data)
{
ftdm_channel_t *ftdmchan = (ftdm_channel_t *) user_data;