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freetdm: initial changes to make FreeTDM APIs non-blocking

This commit is contained in:
Moises Silva 2010-12-23 15:39:20 -05:00
parent 656ecc1bc0
commit 568013bc60
6 changed files with 220 additions and 61 deletions
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193
libs/freetdm/src/ftdm_io.c
View File

@ -304,6 +304,9 @@ FTDM_STR2ENUM(ftdm_str2ftdm_usr_layer1_prot, ftdm_user_layer1_prot2str, ftdm_use
FTDM_ENUM_NAMES(CALLING_PARTY_CATEGORY_NAMES, CALLING_PARTY_CATEGORY_STRINGS)
FTDM_STR2ENUM(ftdm_str2ftdm_calling_party_category, ftdm_calling_party_category2str, ftdm_calling_party_category_t, CALLING_PARTY_CATEGORY_NAMES, FTDM_CPC_INVALID)
FTDM_ENUM_NAMES(INDICATION_NAMES, INDICATION_STRINGS)
FTDM_STR2ENUM(ftdm_str2channel_indication, ftdm_channel_indication2str, ftdm_channel_indication_t, INDICATION_NAMES, FTDM_CHANNEL_INDICATE_INVALID)
static ftdm_status_t ftdm_group_add_channels(ftdm_span_t* span, int currindex, const char* name);
static const char *cut_path(const char *in)
@ -1549,6 +1552,11 @@ end:
goto done;
}
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_NONBLOCK)) {
/* the channel should not block waiting for state processing */
goto done;
}
/* there is an inherent race here between set and check of the change flag but we do not care because
* the flag should never last raised for more than a few ms for any state change */
while (waitrq && waitms > 0) {
@ -1575,6 +1583,7 @@ end:
if (waitms <= 0) {
ftdm_log_chan_ex(ftdmchan, file, func, line, FTDM_LOG_LEVEL_WARNING, "state change from %s to %s was most likely not processed after aprox %dms\n",
ftdm_channel_state2str(ftdmchan->last_state), ftdm_channel_state2str(state), DEFAULT_WAIT_TIME);
ok = 0;
}
done:
return ok ? FTDM_SUCCESS : FTDM_FAIL;
@ -2124,6 +2133,27 @@ FT_DECLARE(void) ftdm_span_set_trunk_type(ftdm_span_t *span, ftdm_trunk_type_t t
span->trunk_type = type;
}
FT_DECLARE(ftdm_status_t) ftdm_span_set_blocking_mode(const ftdm_span_t *span, ftdm_bool_t enabled)
{
ftdm_channel_t *fchan = NULL;
ftdm_iterator_t *citer = NULL;
ftdm_iterator_t *curr = NULL;
citer = ftdm_span_get_chan_iterator(span, NULL);
if (!citer) {
return FTDM_ENOMEM;
}
for (curr = citer ; curr; curr = ftdm_iterator_next(curr)) {
fchan = ftdm_iterator_current(curr);
if (enabled) {
ftdm_clear_flag_locked(fchan, FTDM_CHANNEL_NONBLOCK);
} else {
ftdm_set_flag_locked(fchan, FTDM_CHANNEL_NONBLOCK);
}
}
return FTDM_SUCCESS;
}
FT_DECLARE(ftdm_trunk_type_t) ftdm_span_get_trunk_type(const ftdm_span_t *span)
{
return span->trunk_type;
@ -2210,19 +2240,37 @@ FT_DECLARE(ftdm_bool_t) ftdm_channel_call_check_done(const ftdm_channel_t *ftdmc
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_hold(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan)
{
ftdm_status_t status;
ftdm_channel_lock(ftdmchan);
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_HOLD);
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_DIALTONE, 0);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_DIALTONE, 0);
ftdm_channel_unlock(ftdmchan);
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_unhold(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan)
{
ftdm_status_t status;
ftdm_channel_lock(ftdmchan);
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_UP, 0);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_UP, 0);
ftdm_channel_unlock(ftdmchan);
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(void) ftdm_ack_indication(const ftdm_channel_t *fchan, ftdm_channel_indication_t indication, ftdm_status_t status)
{
ftdm_sigmsg_t msg;
memset(&msg, 0, sizeof(msg));
msg.event_id = FTDM_SIGEVENT_INDICATION_COMPLETED;
msg.ev_data.indication_completed.indication = indication;
msg.ev_data.indication_completed.status = status;
ftdm_span_send_signal(fchan->span, &msg);
}
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_answer(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan)
@ -2233,46 +2281,61 @@ FT_DECLARE(ftdm_status_t) _ftdm_channel_call_answer(const char *file, const char
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call is already TERMINATING\n");
status = FTDM_ECANCELED;
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_ANSWERED);
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_PROGRESS);
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_MEDIA);
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
status = FTDM_EINVAL;
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
if (!ftdm_test_flag(ftdmchan->span, FTDM_SPAN_USE_SKIP_STATES)) {
/* We will fail RFC's if we not skip states, but some modules apart from ftmod_sangoma_isdn
* expect the call to always to go PROGRESS and PROGRESS MEDIA state before going to UP, so
* use FTDM_SPAN_USE_SKIP_STATESfor now while we update the sig modules */
* use FTDM_SPAN_USE_SKIP_STATES for now while we update the sig modules */
if (ftdmchan->state < FTDM_CHANNEL_STATE_PROGRESS) {
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
}
/* set state unlocks the channel so we need to re-confirm that the channel hasn't gone to hell */
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call has moved to TERMINATING while we're moving to PROGRESS\n");
status = FTDM_ECANCELED;
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
if (ftdmchan->state < FTDM_CHANNEL_STATE_PROGRESS_MEDIA) {
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
}
/* set state unlocks the channel so we need to re-confirm that the channel hasn't gone to hell */
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call has moved to TERMINATING while we're moving to UP\n");
status = FTDM_ECANCELED;
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
goto done;
}
}
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_UP, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_UP, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, FTDM_CHANNEL_INDICATE_ANSWER, status);
}
done:
ftdm_channel_unlock(ftdmchan);
return status;
}
@ -2280,6 +2343,8 @@ done:
/* lock must be acquired by the caller! */
static ftdm_status_t call_hangup(ftdm_channel_t *chan, const char *file, const char *func, int line)
{
ftdm_status_t status = FTDM_SUCCESS;
ftdm_set_flag(chan, FTDM_CHANNEL_USER_HANGUP);
ftdm_set_echocancel_call_end(chan);
@ -2292,7 +2357,7 @@ static ftdm_status_t call_hangup(ftdm_channel_t *chan, const char *file, const c
if (chan->hangup_timer) {
ftdm_sched_cancel_timer(globals.timingsched, chan->hangup_timer);
}
ftdm_channel_set_state(file, func, line, chan, FTDM_CHANNEL_STATE_HANGUP, 1);
status = ftdm_channel_set_state(file, func, line, chan, FTDM_CHANNEL_STATE_HANGUP, 1);
} else {
/* the signaling stack did not touch the state,
* core is responsible from clearing flags and stuff, however, because ftmod_analog
@ -2305,28 +2370,34 @@ static ftdm_status_t call_hangup(ftdm_channel_t *chan, const char *file, const c
ftdm_channel_close(&chan);
}
}
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_hangup_with_cause(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan, ftdm_call_cause_t cause)
{
ftdm_status_t status = FTDM_SUCCESS;
ftdm_channel_lock(ftdmchan);
ftdmchan->caller_data.hangup_cause = cause;
call_hangup(ftdmchan, file, func, line);
status = call_hangup(ftdmchan, file, func, line);
ftdm_channel_unlock(ftdmchan);
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_hangup(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan)
{
ftdm_status_t status = FTDM_SUCCESS;
ftdm_channel_lock(ftdmchan);
ftdmchan->caller_data.hangup_cause = FTDM_CAUSE_NORMAL_CLEARING;
call_hangup(ftdmchan, file, func, line);
status = call_hangup(ftdmchan, file, func, line);
ftdm_channel_unlock(ftdmchan);
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(const char *) ftdm_channel_get_last_error(const ftdm_channel_t *ftdmchan)
@ -2411,13 +2482,31 @@ FT_DECLARE(uint32_t) ftdm_channel_get_ph_span_id(const ftdm_channel_t *ftdmchan)
return id;
}
/*
* Every user requested indication *MUST* be acknowledged with the proper status (ftdm_status_t)
* If the indication fails before we notify the signaling stack, we *MUST* acknowledge ourselves,
* but if we already notified the signaling stack about the indication, the signaling stack is
* responsible for the acknowledge.
* */
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_indicate(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan, ftdm_channel_indication_t indication)
{
ftdm_status_t status = FTDM_SUCCESS;
ftdm_channel_lock(ftdmchan);
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Cannot indicate %s in outgoing channel in state %s\n",
ftdm_channel_indication2str(indication), ftdm_channel_state2str(ftdmchan->state));
status = FTDM_EINVAL;
ftdm_ack_indication(ftdmchan, indication, status);
goto done;
}
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call has moved to TERMINATING while we're moving to PROGRESS\n");
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Ignoring indication %s because the call is in %s state\n",
ftdm_channel_indication2str(indication), ftdm_channel_state2str(ftdmchan->state));
status = FTDM_ECANCELED;
ftdm_ack_indication(ftdmchan, indication, status);
goto done;
}
@ -2425,55 +2514,71 @@ FT_DECLARE(ftdm_status_t) _ftdm_channel_call_indicate(const char *file, const ch
/* FIXME: ring and busy cannot be used with all signaling stacks
* (particularly isdn stacks I think, we should emulate or just move to hangup with busy cause) */
case FTDM_CHANNEL_INDICATE_RINGING:
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_RINGING, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_RINGING, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
}
break;
case FTDM_CHANNEL_INDICATE_BUSY:
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_BUSY, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_BUSY, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
}
break;
case FTDM_CHANNEL_INDICATE_PROCEED:
if (ftdm_test_flag(ftdmchan->span, FTDM_SPAN_USE_PROCEED_STATE)) {
if (ftdmchan->state == FTDM_CHANNEL_STATE_RING) {
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROCEED, 1);
}
if (!ftdm_test_flag(ftdmchan->span, FTDM_SPAN_USE_PROCEED_STATE)) {
ftdm_ack_indication(ftdmchan, indication, status);
goto done;
}
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROCEED, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
}
break;
case FTDM_CHANNEL_INDICATE_PROGRESS:
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_PROGRESS);
} else {
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
}
break;
case FTDM_CHANNEL_INDICATE_PROGRESS_MEDIA:
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_PROGRESS);
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_MEDIA);
} else {
if (!ftdm_test_flag(ftdmchan->span, FTDM_SPAN_USE_SKIP_STATES)) {
if (ftdmchan->state < FTDM_CHANNEL_STATE_PROGRESS) {
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
}
/* set state unlocks the channel so we need to re-confirm that the channel hasn't gone to hell */
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call has moved to TERMINATING while we're moving to PROGRESS\n");
if (!ftdm_test_flag(ftdmchan->span, FTDM_SPAN_USE_SKIP_STATES)) {
if (ftdmchan->state < FTDM_CHANNEL_STATE_PROGRESS) {
status = ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
goto done;
}
}
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA, 1);
/* set state unlocks the channel so we need to re-confirm that the channel hasn't gone to hell */
if (ftdmchan->state == FTDM_CHANNEL_STATE_TERMINATING) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Ignoring answer because the call has moved to TERMINATING while we're moving to PROGRESS\n");
status = FTDM_ECANCELED;
ftdm_ack_indication(ftdmchan, indication, status);
goto done;
}
}
ftdm_channel_set_state(file, func, line, ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA, 1);
if (status != FTDM_SUCCESS) {
ftdm_ack_indication(ftdmchan, indication, status);
}
break;
case FTDM_CHANNEL_INDICATE_ANSWER:
/* _ftdm_channel_call_indicate takes care of the indication ack */
status = _ftdm_channel_call_answer(file, func, line, ftdmchan);
break;
default:
ftdm_log(file, func, line, FTDM_LOG_LEVEL_WARNING, "Do not know how to indicate %d\n", indication);
status = FTDM_FAIL;
ftdm_ack_indication(ftdmchan, indication, status);
break;
}
done:
ftdm_channel_unlock(ftdmchan);
return FTDM_SUCCESS;
return status;
}
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_send_msg(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan, ftdm_sigmsg_t *sigmsg)

3
libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
View File

@ -1595,6 +1595,9 @@ static FIO_CONFIGURE_SPAN_SIGNALING_FUNCTION(ftdm_r2_configure_span_signaling)
/* use signals queue */
ftdm_set_flag(span, FTDM_SPAN_USE_SIGNALS_QUEUE);
/* we can skip states (going straight from RING to UP) */
ftdm_set_flag(span, FTDM_SPAN_USE_SKIP_STATES);
/* setup the scheduler */
snprintf(schedname, sizeof(schedname), "ftmod_r2_%s", span->name);
ftdm_assert(ftdm_sched_create(&r2data->sched, schedname) == FTDM_SUCCESS, "Failed to create schedule!\n");

65
libs/freetdm/src/include/freetdm.h
View File

@ -349,11 +349,13 @@ typedef enum {
FTDM_SIGEVENT_FACILITY, /*!< In call facility event */
FTDM_SIGEVENT_TRACE, /*!<Interpreted trace event */
FTDM_SIGEVENT_TRACE_RAW, /*!<Raw trace event */
FTDM_SIGEVENT_INDICATION_COMPLETED, /*!< Last requested indication was completed */
FTDM_SIGEVENT_INVALID, /*!<Invalid */
} ftdm_signal_event_t;
#define SIGNAL_STRINGS "START", "STOP", "RELEASED", "UP", "FLASH", "PROCEED", "RINGING", "PROGRESS", \
"PROGRESS_MEDIA", "ALARM_TRAP", "ALARM_CLEAR", \
"COLLECTED_DIGIT", "ADD_CALL", "RESTART", "SIGSTATUS_CHANGED", "COLLISION", "FACILITY", "TRACE", "TRACE_RAW", "INVALID"
"COLLECTED_DIGIT", "ADD_CALL", "RESTART", "SIGSTATUS_CHANGED", "COLLISION", "FACILITY", \
"TRACE", "TRACE_RAW", "INDICATION_COMPLETED", "INVALID"
/*! \brief Move from string to ftdm_signal_event_t and viceversa */
FTDM_STR2ENUM_P(ftdm_str2ftdm_signal_event, ftdm_signal_event2str, ftdm_signal_event_t)
@ -434,6 +436,31 @@ typedef struct {
char digits[FTDM_DIGITS_LIMIT];
} ftdm_event_collected_t;
/*! \brief FreeTDM supported indications.
* This is used during incoming calls when you want to request the signaling stack
* to notify about indications occurring locally. See ftdm_channel_call_indicate for more info */
typedef enum {
FTDM_CHANNEL_INDICATE_RINGING,
FTDM_CHANNEL_INDICATE_PROCEED,
FTDM_CHANNEL_INDICATE_PROGRESS,
FTDM_CHANNEL_INDICATE_PROGRESS_MEDIA,
FTDM_CHANNEL_INDICATE_BUSY,
/* Using this indication is equivalent to call ftdm_channel_call_answer API */
FTDM_CHANNEL_INDICATE_ANSWER,
FTDM_CHANNEL_INDICATE_INVALID,
} ftdm_channel_indication_t;
#define INDICATION_STRINGS "RINGING", "PROCEED", "PROGRESS", "PROGRESS_MEDIA", "BUSY", "ANSWER", "INVALID"
/*! \brief Move from string to ftdm_channel_indication_t and viceversa */
FTDM_STR2ENUM_P(ftdm_str2channel_indication, ftdm_channel_indication2str, ftdm_channel_indication_t)
typedef struct {
/* The indication that was completed */
ftdm_channel_indication_t indication;
/* Completion status of the indication */
ftdm_status_t status;
} ftdm_event_indication_completed_t;
/*! \brief Generic signaling message */
struct ftdm_sigmsg {
ftdm_signal_event_t event_id; /*!< The type of message */
@ -444,7 +471,8 @@ struct ftdm_sigmsg {
union {
ftdm_event_sigstatus_t sigstatus; /*!< valid if event_id is FTDM_SIGEVENT_SIGSTATUS_CHANGED */
ftdm_event_trace_t logevent; /*!< valid if event_id is FTDM_SIGEVENT_TRACE or FTDM_SIGEVENT_TRACE_RAW */
ftdm_event_collected_t collected; /*!< valif if event_id is FTDM_SIGEVENT_COLLECTED_DIGIT */
ftdm_event_collected_t collected; /*!< valid if event_id is FTDM_SIGEVENT_COLLECTED_DIGIT */
ftdm_event_indication_completed_t indication_completed; /*!< valid if the event_id is FTDM_SIGEVENT_INDICATION_COMPLETED */
} ev_data;
struct {
uint8_t autofree; /*!< Whether the freetdm core will free it after message delivery */
@ -708,17 +736,6 @@ typedef enum {
FTDM_CODEC_NONE = (1 << 30)
} ftdm_codec_t;
/*! \brief FreeTDM supported indications.
* This is used during incoming calls when you want to request the signaling stack
* to notify about indications occurring locally */
typedef enum {
FTDM_CHANNEL_INDICATE_RINGING,
FTDM_CHANNEL_INDICATE_PROCEED,
FTDM_CHANNEL_INDICATE_PROGRESS,
FTDM_CHANNEL_INDICATE_PROGRESS_MEDIA,
FTDM_CHANNEL_INDICATE_BUSY,
} ftdm_channel_indication_t;
/*! \brief FreeTDM supported hardware alarms. */
typedef enum {
FTDM_ALARM_NONE = 0,
@ -741,7 +758,12 @@ FT_DECLARE(ftdm_status_t) ftdm_global_set_queue_handler(ftdm_queue_handler_t *ha
*/
FT_DECLARE(int) ftdm_channel_get_availability(ftdm_channel_t *ftdmchan);
/*! \brief Answer call */
/*! \brief Answer call. This can also be accomplished by ftdm_channel_call_indicate with FTDM_CHANNEL_INDICATE_ANSWER, in both
* cases you will get a FTDM_SIGEVENT_INDICATION_COMPLETED when the indication is sent (or an error occurs)
* \note Although this API will result in FTDM_SIGEVENT_INDICATION_COMPLETED event being delivered,
* there is no guarantee of whether the event will arrive after or before your execution thread returns
* from ftdm_channel_call_answer
*/
#define ftdm_channel_call_answer(ftdmchan) _ftdm_channel_call_answer(__FILE__, __FUNCTION__, __LINE__, (ftdmchan))
/*! \brief Answer call recording the source code point where the it was called (see ftdm_channel_call_answer for an easy to use macro) */
@ -753,7 +775,13 @@ FT_DECLARE(ftdm_status_t) _ftdm_channel_call_answer(const char *file, const char
/*! \brief Place an outgoing call recording the source code point where it was called (see ftdm_channel_call_place for an easy to use macro) */
FT_DECLARE(ftdm_status_t) _ftdm_channel_call_place(const char *file, const char *func, int line, ftdm_channel_t *ftdmchan);
/*! \brief Indicate a new condition in an incoming call */
/*! \brief Indicate a new condition in an incoming call
* \note Every indication request will result in FTDM_SIGEVENT_INDICATION_COMPLETED event being delivered with
* the proper status that will inform you if the request was successful or not.
* Be aware there is no guarantee of whether the event will arrive after or before your execution thread returns
* from ftdm_channel_call_indicate. This means you could get FTDM_SIGEVENT_INDICATION_COMPLETED even before
* your execution thread returns from the ftdm_channel_call_indicate() API
*/
#define ftdm_channel_call_indicate(ftdmchan, indication) _ftdm_channel_call_indicate(__FILE__, __FUNCTION__, __LINE__, (ftdmchan), (indication))
/*! \brief Indicate a new condition in an incoming call recording the source code point where it was called (see ftdm_channel_call_indicate for an easy to use macro) */
@ -1494,9 +1522,14 @@ FT_DECLARE(const char *) ftdm_channel_get_last_state_str(const ftdm_channel_t *c
*/
FT_DECLARE(char *) ftdm_channel_get_history_str(const ftdm_channel_t *channel);
/*! \brief Initialize channel state for an outgoing call */
/*! \brief Initialize channel state for an outgoing call
* \note This API will eventually be deprecated, is only needed if you use boost signaling
*/
FT_DECLARE(ftdm_status_t) ftdm_channel_init(ftdm_channel_t *ftdmchan);
/*! \brief Enable/disable blocking mode in the channels for this span */
FT_DECLARE(ftdm_status_t) ftdm_span_set_blocking_mode(const ftdm_span_t *span, ftdm_bool_t enabled);
/*! \brief Initialize the library */
FT_DECLARE(ftdm_status_t) ftdm_global_init(void);

10
libs/freetdm/src/include/ftdm_declare.h
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@ -183,7 +183,15 @@ typedef enum {
FTDM_TIMEOUT, /*!< Operation timed out (ie: polling on a device)*/
FTDM_NOTIMPL, /*!< Operation not implemented */
FTDM_BREAK, /*!< Request the caller to perform a break (context-dependant, ie: stop getting DNIS/ANI) */
FTDM_EINVAL /*!< Invalid argument */
/*!< Any new return codes should try to mimc unix style error codes, no need to reinvent */
/* Remapping some of the codes that were before */
FTDM_ENOMEM = FTDM_MEMERR, /*!< Memory error */
FTDM_ETIMEDOUT = FTDM_TIMEOUT, /*!< Operation timedout */
FTDM_ENOSYS = FTDM_NOTIMPL, /*!< The function is not implemented */
FTDM_EINVAL, /*!< Invalid argument */
FTDM_ECANCELED, /*!< Operation cancelled */
} ftdm_status_t;
/*! \brief FreeTDM bool type. */

1
libs/freetdm/src/include/private/ftdm_core.h
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@ -606,6 +606,7 @@ FT_DECLARE(int) ftdm_vasprintf(char **ret, const char *fmt, va_list ap);
FT_DECLARE(ftdm_status_t) ftdm_span_close_all(void);
FT_DECLARE(ftdm_status_t) ftdm_channel_open_chan(ftdm_channel_t *ftdmchan);
FT_DECLARE(void) ftdm_ack_indication(const ftdm_channel_t *ftdmchan, ftdm_channel_indication_t indication, ftdm_status_t status);
/*!
* \brief Retrieves an event from the span

9
libs/freetdm/src/include/private/ftdm_types.h
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@ -260,9 +260,16 @@ FTDM_STR2ENUM_P(ftdm_str2ftdm_channel_state, ftdm_channel_state2str, ftdm_channe
#define FTDM_CHANNEL_OUTBOUND (1ULL << 18)
#define FTDM_CHANNEL_SUSPENDED (1ULL << 19)
#define FTDM_CHANNEL_3WAY (1ULL << 20)
/* this 3 flags are really nonsense used by boost module only, as soon
* as we deprecate/delete boost module we can get rid of them
* ==================
* */
#define FTDM_CHANNEL_PROGRESS (1ULL << 21)
#define FTDM_CHANNEL_MEDIA (1ULL << 22)
#define FTDM_CHANNEL_ANSWERED (1ULL << 23)
/* ================== */
#define FTDM_CHANNEL_MUTE (1ULL << 24)
#define FTDM_CHANNEL_USE_RX_GAIN (1ULL << 25)
#define FTDM_CHANNEL_USE_TX_GAIN (1ULL << 26)
@ -273,6 +280,8 @@ FTDM_STR2ENUM_P(ftdm_str2ftdm_channel_state, ftdm_channel_state2str, ftdm_channe
#define FTDM_CHANNEL_TX_DISABLED (1ULL << 31)
/*!< The user knows about a call in this channel */
#define FTDM_CHANNEL_CALL_STARTED (1ULL << 32)
/*!< The user wants non-blocking operations in the channel */
#define FTDM_CHANNEL_NONBLOCK (1ULL << 33)
typedef enum {
ZSM_NONE,