Add support to enable/disable facility IE Supplementary Services

git-svn-id: https://origsvn.digium.com/svn/libpri/trunk@217 2fbb986a-6c06-0410-b554-c9c1f0a7f128

libpri.h

@@ -411,6 +411,10 @@ extern void pri_set_debug(struct pri *pri, int debug);
 /* Get debug parameters on PRI -- see above debug definitions */
 extern int pri_get_debug(struct pri *pri);
 
+#define PRI_FACILITY_ENABLE
+/* Enable transmission support of Facility IEs on the pri */
+extern void pri_facility_enable(struct pri *pri);
+
 /* Run PRI on the given D-channel, taking care of any events that
    need to be handled.  If block is set, it will block until an event
    occurs which needs to be handled */

pri.c

@@ -400,6 +400,16 @@ int pri_get_debug(struct pri *pri)
 	return pri->debug;
 }
 
+void pri_facility_enable(struct pri *pri)
+{
+	if (!pri)
+		return;
+	pri->sendfacility = 1;
+	if (pri->subchannel)
+		pri_facility_enable(pri->subchannel);
+	return;
+}
+
 int pri_acknowledge(struct pri *pri, q931_call *call, int channel, int info)
 {
 	if (!pri || !call)

pri_facility.c

@@ -1237,8 +1237,13 @@ extern int pri_call_apdu_queue_cleanup(q931_call *call)
 
 extern int pri_call_add_standard_apdus(struct pri *pri, q931_call *call)
 {
+	if (!pri->sendfacility)
+		return 0;
+
 	if (pri->switchtype == PRI_SWITCH_QSIG) { /* For Q.SIG it does network and cpe operations */
+		/* FIXME: Presumably, it should only send on a redirect */
 		rose_diverting_leg_information2_encode(pri, call);
+		add_callername_facility_ies(pri, call, 1);
 	}
 
 	if (pri->localtype == PRI_NETWORK) {

pri_internal.h

@@ -108,6 +108,7 @@ struct pri {
 #endif
 
 	unsigned char last_invoke;	/* Last ROSE invoke ID */
+	unsigned char sendfacility;
 };
 
 struct pri_sr {