ben.carrasco/freeswitch
1
0
Fork 0
mirror of https://github.com/signalwire/freeswitch.git synced 2026-07-24 13:12:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

freetdm: initial glare handling code

Browse Source
This commit is contained in:
Moises Silva
2011-01-07 16:00:06 -05:00
parent 40aa1d90f3
commit 2cfd09c35c
5 changed files with 181 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/freetdm/src/ftdm_io.c
+60 -12
View File
@@ -2142,6 +2142,10 @@ static ftdm_status_t _ftdm_channel_call_hangup_nl(ftdm_channel_t *chan, const ch
ftdm_sched_cancel_timer(globals.timingsched, chan->hangup_timer);
}
ftdm_set_flag(chan, FTDM_CHANNEL_USER_HANGUP);
/* if a state change requested by the user was pending, a hangup certainly cancels that request */
if (ftdm_test_flag(chan, FTDM_CHANNEL_STATE_CHANGE)) {
ftdm_channel_cancel_state(file, func, line, chan);
}
status = ftdm_channel_set_state(file, func, line, chan, FTDM_CHANNEL_STATE_HANGUP, 1);
} else {
/* the signaling stack did not touch the state,
@@ -2372,19 +2376,57 @@ FT_DECLARE(ftdm_status_t) _ftdm_channel_call_place(const char *file, const char
ftdm_channel_lock(ftdmchan);
if (ftdmchan->span->outgoing_call) {
status = ftdmchan->span->outgoing_call(ftdmchan);
} else {
status = FTDM_NOTIMPL;
ftdm_log(FTDM_LOG_ERROR, "outgoing_call method not implemented in this span!\n");
if (!ftdmchan->span->outgoing_call) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "outgoing_call method not implemented in this span!\n");
status = FTDM_ENOSYS;
goto done;
}
if (status == FTDM_SUCCESS) {
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_CALL_STARTED);
ftdm_call_set_call_id(ftdmchan, &ftdmchan->caller_data);
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OPEN)) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "Cannot place call in channel that is not open!\n");
goto done;
}
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_OUTBOUND)) {
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_CALL_STARTED)) {
status = FTDM_BREAK;
/* we set the outbound flag when the user open a channel, but if the signaling stack sends an
* incoming call we clear it, which indicates the inbound call was received before we could try
* to place the outbound call */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Inbound call won the race, you should hunt in another channel!\n");
goto done;
}
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Cannot place call in non outbound channel in state %s!\n", ftdm_channel_state2str(ftdmchan->state));
goto done;
}
if (ftdmchan->state != FTDM_CHANNEL_STATE_DOWN) {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Cannot place call in channel in state %s!\n", ftdm_channel_state2str(ftdmchan->state));
goto done;
}
status = ftdmchan->span->outgoing_call(ftdmchan);
if (status == FTDM_BREAK) {
/* the signaling module detected glare on time */
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Glare detected, you should hunt in another channel!\n");
goto done;
}
if (status != FTDM_SUCCESS) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "Failed to place call!\n");
goto done;
}
/* in case of success, *before* unlocking the channel, we must set the call started flag and the call id
* that is a guarantee that signaling modules expect from us */
ftdm_set_flag(ftdmchan, FTDM_CHANNEL_CALL_STARTED);
ftdm_call_set_call_id(ftdmchan, &ftdmchan->caller_data);
if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_NONBLOCK)) {
/* be aware this waiting unlocks the channel and locks it back when done */
ftdm_wait_for_flag_cleared(ftdmchan, FTDM_CHANNEL_STATE_CHANGE, 100);
}
done:
ftdm_channel_unlock(ftdmchan);
#ifdef __WINDOWS__
@@ -5355,7 +5397,10 @@ static void execute_safety_hangup(void *data)
FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t *sigmsg)
{
if (sigmsg->channel) {
ftdm_mutex_lock(sigmsg->channel->mutex);
ftdm_mutex_lock(sigmsg->channel->mutex);
sigmsg->chan_id = sigmsg->channel->chan_id;
sigmsg->span_id = sigmsg->channel->span_id;
sigmsg->call_id = sigmsg->channel->caller_data.call_id;
}
/* some core things to do on special events */
@@ -5373,6 +5418,12 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
case FTDM_SIGEVENT_START:
{
ftdm_assert(!ftdm_test_flag(sigmsg->channel, FTDM_CHANNEL_CALL_STARTED), "Started call twice!");
if (ftdm_test_flag(sigmsg->channel, FTDM_CHANNEL_OUTBOUND)) {
ftdm_log_chan_msg(sigmsg->channel, FTDM_LOG_WARNING, "Inbound call taking over outbound channel\n");
ftdm_clear_flag(sigmsg->channel, FTDM_CHANNEL_OUTBOUND);
}
ftdm_set_flag(sigmsg->channel, FTDM_CHANNEL_CALL_STARTED);
ftdm_call_set_call_id(sigmsg->channel, &sigmsg->channel->caller_data);
ftdm_set_echocancel_call_begin(sigmsg->channel);
@@ -5410,9 +5461,6 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
}
if (sigmsg->channel) {
sigmsg->call_id = sigmsg->channel->caller_data.call_id;
}
/* if the signaling module uses a queue for signaling notifications, then enqueue it */
if (ftdm_test_flag(span, FTDM_SPAN_USE_SIGNALS_QUEUE)) {
ftdm_span_queue_signal(span, sigmsg);