From 65bac44b327afd9ad0bdad7d9959b519c5a3e84a Mon Sep 17 00:00:00 2001
From: David Yat Sin <dyatsin@sangoma.com>
Date: Wed, 3 Aug 2011 10:52:18 -0400
Subject: [PATCH] freetdm: ISDN - Added function to transmission of NOTIFY msg

---
 .../ftmod_sangoma_isdn/ftmod_sangoma_isdn.h   |  3 +-
 .../ftmod_sangoma_isdn_stack_out.c            | 30 ++++++++++++++++---
 .../ftmod_sangoma_isdn_support.c              |  8 +++++
 3 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
index 6acbe3047a..2f1c5904ef 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
@@ -380,6 +380,7 @@ void sngisdn_snd_setup_ack(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_proceed(ftdm_channel_t *ftdmchan, ftdm_sngisdn_progind_t prog_ind);
 void sngisdn_snd_progress(ftdm_channel_t *ftdmchan, ftdm_sngisdn_progind_t prog_ind);
 void sngisdn_snd_alert(ftdm_channel_t *ftdmchan, ftdm_sngisdn_progind_t prog_ind);
+void sngisdn_snd_notify_req(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_connect(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_disconnect(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_release(ftdm_channel_t *ftdmchan, uint8_t glare);
@@ -480,7 +481,7 @@ ftdm_status_t set_facility_ie(ftdm_channel_t *ftdmchan, FacilityStr *facilityStr
 ftdm_status_t set_facility_ie_str(ftdm_channel_t *ftdmchan, uint8_t *data, uint8_t *data_len);
 ftdm_status_t set_user_to_user_ie(ftdm_channel_t *ftdmchan, UsrUsr *usrUsr);
 ftdm_status_t set_cause_ie(ftdm_channel_t *ftdmchan, CauseDgn *causeDgn);
-
+ftdm_status_t set_not_ind_ie(ftdm_channel_t *ftdmchan, NotInd *notInd);
 
 ftdm_status_t sngisdn_add_var(sngisdn_chan_data_t *sngisdn_info, const char* var, const char* val);
 ftdm_status_t sngisdn_add_raw_data(sngisdn_chan_data_t *sngisdn_info, uint8_t* data, ftdm_size_t data_len);
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
index 94c4f03e7e..c2305e445f 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
@@ -317,11 +317,7 @@ void sngisdn_snd_info_req(ftdm_channel_t *ftdmchan)
 	}
 
 	memset(&cnStEvnt, 0, sizeof(cnStEvnt));
-	//ftdm_log_chan_msg(ftdmchan, FTDM_LOG_INFO, "Sending INFO REQ\n");
 
-
-	
-	
 	ftdm_log_chan(ftdmchan, FTDM_LOG_INFO, "Sending INFO REQ (suId:%d dchan:%d ces:%d)\n", signal_data->cc_id, signal_data->dchan_id, sngisdn_info->ces);
 
 	if (sng_isdn_con_status(signal_data->cc_id, 0, 0, &cnStEvnt, MI_INFO, signal_data->dchan_id, sngisdn_info->ces)) {
@@ -330,6 +326,32 @@ void sngisdn_snd_info_req(ftdm_channel_t *ftdmchan)
 	return;
 }
 
+void sngisdn_snd_notify_req(ftdm_channel_t *ftdmchan)
+{
+	CnStEvnt cnStEvnt;
+	
+	sngisdn_chan_data_t *sngisdn_info = (sngisdn_chan_data_t*) ftdmchan->call_data;
+	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
+
+	if (!sngisdn_info->suInstId || !sngisdn_info->spInstId) {
+		ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Sending NOTIFY, but no call data, aborting (suId:%d suInstId:%u spInstId:%u)\n", signal_data->cc_id, sngisdn_info->suInstId, sngisdn_info->spInstId);
+		sngisdn_set_flag(sngisdn_info, FLAG_LOCAL_ABORT);
+		ftdm_set_state_locked(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
+		return;
+	}
+
+	memset(&cnStEvnt, 0, sizeof(cnStEvnt));
+
+	set_not_ind_ie(ftdmchan, &cnStEvnt.notInd);
+
+	ftdm_log_chan(ftdmchan, FTDM_LOG_INFO, "Sending NOTIFY (suId:%d suInstId:%u spInstId:%u dchan:%d ces:%d)\n", signal_data->cc_id, sngisdn_info->suInstId, sngisdn_info->spInstId, signal_data->dchan_id, sngisdn_info->ces);
+
+	if(sng_isdn_con_status(signal_data->cc_id, sngisdn_info->suInstId, sngisdn_info->spInstId,&cnStEvnt, MI_NOTIFY, signal_data->dchan_id, sngisdn_info->ces)) {
+		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_CRIT, 	"stack refused NOTIFY request\n");
+	}
+	return;
+}
+
 
 void sngisdn_snd_status_enq(ftdm_channel_t *ftdmchan)
 {
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
index 39c756a2c2..9a633b902a 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
@@ -1021,6 +1021,14 @@ ftdm_status_t set_restart_ind_ie(ftdm_channel_t *ftdmchan, RstInd *rstInd)
 	return FTDM_SUCCESS;
 }
 
+ftdm_status_t set_not_ind_ie(ftdm_channel_t *ftdmchan, NotInd *notInd)
+{
+	notInd->eh.pres = PRSNT_NODEF;
+	notInd->notDesc.pres = PRSNT_NODEF;
+	notInd->notDesc.val = 0x71; /* Call information event */
+	return FTDM_SUCCESS;
+}
+
 void sngisdn_t3_timeout(void *p_sngisdn_info)
 {
 	sngisdn_chan_data_t *sngisdn_info = (sngisdn_chan_data_t*)p_sngisdn_info;