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freetdm: merge native bridge fix from releases.3.4

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which solves the crash on outgoing calls after native bridge
This commit is contained in:
James Zhang 2012-03-16 12:24:10 -04:00
parent 46ddfc0ebb
commit 63a2c847eb
4 changed files with 39 additions and 27 deletions
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6
libs/freetdm/src/ftdm_io.c
View File

@ -2453,6 +2453,12 @@ FT_DECLARE(ftdm_status_t) ftdm_get_channel_from_string(const char *string_id, ft
*out_span = NULL;
*out_channel = NULL;
if (!string_id) {
ftdm_log(FTDM_LOG_ERROR, "Cannot parse NULL channel id string\n");
status = FTDM_EINVAL;
goto done;
}
rc = sscanf(string_id, "%u:%u", &span_id, &chan_id);
if (rc != 2) {
ftdm_log(FTDM_LOG_ERROR, "Failed to parse channel id string '%s'\n", string_id);

4
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_cli.c
View File

@ -1325,6 +1325,10 @@ static ftdm_status_t handle_show_status(ftdm_stream_handle_t *stream, int span,
}else {
stream->write_function(stream, "relay=N");
}
#ifdef SMG_RELAY_DBG
stream->write_function(stream, "| flag=0x%llx", ftdmchan->flags);
#endif
}
#ifdef SMG_RELAY_DBG

30
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
View File

@ -615,20 +615,22 @@ static void ftdm_sangoma_ss7_process_stack_event (sngss7_event_data_t *sngss7_ev
break;
case SNGSS7_REL_CFM_EVENT:
{
ftdm_channel_t *peer_chan = sngss7_info->peer_data->ftdmchan;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_DOWN);
if (peer_chan) {
/* we need to unlock our chan or we risk deadlock */
ftdm_channel_advance_states(ftdmchan);
ftdm_channel_unlock(ftdmchan);
if (sngss7_info->peer_data) {
ftdm_channel_t *peer_chan = sngss7_info->peer_data->ftdmchan;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_DOWN);
if (peer_chan) {
/* we need to unlock our chan or we risk deadlock */
ftdm_channel_advance_states(ftdmchan);
ftdm_channel_unlock(ftdmchan);
ftdm_channel_lock(peer_chan);
if (peer_chan->state != FTDM_CHANNEL_STATE_DOWN) {
ftdm_set_state(peer_chan, FTDM_CHANNEL_STATE_DOWN);
ftdm_channel_lock(peer_chan);
if (peer_chan->state != FTDM_CHANNEL_STATE_DOWN) {
ftdm_set_state(peer_chan, FTDM_CHANNEL_STATE_DOWN);
}
ftdm_channel_unlock(peer_chan);
ftdm_channel_lock(ftdmchan);
}
ftdm_channel_unlock(peer_chan);
ftdm_channel_lock(ftdmchan);
}
}
break;
@ -1087,12 +1089,14 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t *ftdmchan)
/*now go to the RING state */
state_flag = 0;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
} else if (i >= sngss7_info->circuit->min_digits) {
SS7_DEBUG_CHAN(ftdmchan, "Received %d digits (min digits = %d)\n", i, sngss7_info->circuit->min_digits);
/*now go to the RING state */
state_flag = 0;
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_RING);
} else {
/* if we are coming from idle state then we have already been here once before */
if (ftdmchan->last_state != FTDM_CHANNEL_STATE_IDLE) {
@ -1100,7 +1104,7 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t *ftdmchan)
i,
sngss7_info->circuit->min_digits,
ftdmchan->caller_data.dnis.digits);
/* start ISUP t35 */
if (ftdm_sched_timer (sngss7_info->t35.sched,
"t35",

26
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_out.c
View File

@ -57,12 +57,12 @@ void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
memset (&iam, 0x0, sizeof (iam));
var = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "sigbridge_peer");
if (!ftdm_strlen_zero(var)) {
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_NATIVE_SIGBRIDGE)) {
ftdm_span_t *peer_span = NULL;
ftdm_channel_t *peer_chan = NULL;
sngss7_chan_data_t *peer_info = NULL;
var = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "sigbridge_peer");
ftdm_get_channel_from_string(var, &peer_span, &peer_chan);
if (!peer_chan) {
SS7_ERROR_CHAN(ftdmchan, "Failed to find sigbridge peer from string '%s'\n", var);
@ -82,16 +82,16 @@ void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
/* flush our own queue */
sngss7_flush_queue(sngss7_info->event_queue);
/* Go to up until release comes, note that state processing is done different and much simpler when there is a peer,
We can't go to UP state right away yet though, so do not set the state to UP here, wait until the end of this function
because moving from one state to another causes the ftdmchan->usrmsg structure to be wiped
and we still need those variables for further IAM processing */
/* Go to up until release comes, note that state processing is done different and much simpler when there is a peer,
We can't go to UP state right away yet though, so do not set the state to UP here, wait until the end of this function
because moving from one state to another causes the ftdmchan->usrmsg structure to be wiped
and we still need those variables for further IAM processing */
native_going_up = FTDM_TRUE;
}
}
}
if (sngss7_info->peer_data) {
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_NATIVE_SIGBRIDGE) && sngss7_info->peer_data) {
sngss7_span_data_t *span_data = ftdmchan->span->signal_data;
sngss7_event_data_t *event_clone = ftdm_queue_dequeue(sngss7_info->peer_data->event_queue);
/* Retrieve IAM from our peer */
@ -224,18 +224,17 @@ void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
&iam,
0);
if (native_going_up) {
/*
Note that this function (ft_to_sngss7_iam) is run within the main SS7 processing loop in
response to the DIALING state handler, we can set the state to UP here and that will
Note that this function (ft_to_sngss7_iam) is run within the main SS7 processing loop in
response to the DIALING state handler, we can set the state to UP here and that will
implicitly complete the DIALING state, but we *MUST* also advance the state handler
right away for a native bridge, otherwise, the processing state function (ftdm_sangoma_ss7_process_state_change)
will complete the state without having executed the handler for FTDM_CHANNEL_STATE_UP, and we won't notify
the user sending FTDM_SIGEVENT_UP which can cause the application to misbehave (ie, no audio) */
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_UP);
ftdm_channel_advance_states(ftdmchan);
}
}
SS7_FUNC_TRACE_EXIT (__FUNCTION__);
return;
@ -267,15 +266,14 @@ void ft_to_sngss7_acm (ftdm_channel_t * ftdmchan)
acm.bckCallInd.end2EndInfoInd.val = E2EINF_NOINFO;
acm.bckCallInd.isdnUsrPrtInd.pres = PRSNT_NODEF;
acm.bckCallInd.isdnUsrPrtInd.val = ISUP_NOTUSED;
acm.bckCallInd.isdnUsrPrtInd.val = ISUP_NOTUSED;
backwardInd = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "acm_bi_iup");
if (!ftdm_strlen_zero(backwardInd)) {
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Found user supplied backward indicator ISDN user part indicator ACM, value \"%s\"\n", backwardInd);
if (atoi(backwardInd) != 0 ) {
acm.bckCallInd.isdnUsrPrtInd.val = ISUP_USED;
acm.bckCallInd.isdnUsrPrtInd.val = ISUP_USED;
}
}
acm.bckCallInd.holdInd.pres = PRSNT_NODEF;
acm.bckCallInd.holdInd.val = HOLD_NOTREQD;
acm.bckCallInd.isdnAccInd.pres = PRSNT_NODEF;