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freetdm: add PRI tapping starting code

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This commit is contained in:
Moises Silva
2010-07-30 19:46:05 -04:00
parent fd2547660b
commit b485f25f5e
5 changed files with 711 additions and 7 deletions
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21
libs/freetdm/src/ftdm_io.c
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@@ -1334,21 +1334,28 @@ static __inline__ int chan_is_avail(ftdm_channel_t *check)
ftdm_test_flag(check, FTDM_CHANNEL_INUSE) ||
ftdm_test_flag(check, FTDM_CHANNEL_SUSPENDED) ||
ftdm_test_flag(check, FTDM_CHANNEL_IN_ALARM) ||
check->state != FTDM_CHANNEL_STATE_DOWN ||
!FTDM_IS_VOICE_CHANNEL(check)) {
check->state != FTDM_CHANNEL_STATE_DOWN) {
return 0;
}
return 1;
}
static __inline__ int request_channel(ftdm_channel_t *check, ftdm_channel_t **ftdmchan,
static __inline__ int chan_voice_is_avail(ftdm_channel_t *check)
{
if (!FTDM_IS_VOICE_CHANNEL(check)) {
return 0;
}
return chan_is_avail(check);
}
static __inline__ int request_voice_channel(ftdm_channel_t *check, ftdm_channel_t **ftdmchan,
ftdm_caller_data_t *caller_data, ftdm_direction_t direction)
{
ftdm_status_t status;
if (chan_is_avail(check)) {
if (chan_voice_is_avail(check)) {
/* unlocked testing passed, try again with the channel locked */
ftdm_mutex_lock(check->mutex);
if (chan_is_avail(check)) {
if (chan_voice_is_avail(check)) {
if (check->span && check->span->channel_request) {
/* I am only unlocking here cuz this function is called
* sometimes with the group or span lock held and were
@@ -1468,7 +1475,7 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_by_group(uint32_t group_id, ftdm_dir
break;
}
if (request_channel(check, ftdmchan, caller_data, direction)) {
if (request_voice_channel(check, ftdmchan, caller_data, direction)) {
status = FTDM_SUCCESS;
break;
}
@@ -1579,7 +1586,7 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_by_span(uint32_t span_id, ftdm_direc
break;
}
if (request_channel(check, ftdmchan, caller_data, direction)) {
if (request_voice_channel(check, ftdmchan, caller_data, direction)) {
status = FTDM_SUCCESS;
break;
}