add code to pass recording bugs on to other legs when executing an attended transfer, needs testing and possible follup commits before using

src/include/switch_core.h

@@ -248,6 +248,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_close(_Inout_ switch_media
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove_all(_In_ switch_core_session_t *session);
 
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_enumerate(switch_core_session_t *session, switch_stream_handle_t *stream);
+SWITCH_DECLARE(switch_status_t) switch_core_media_bug_transfer_recordings(switch_core_session_t *orig_session, switch_core_session_t *new_session);
 
 /*!
   \brief Read a frame from the bug

src/mod/endpoints/mod_sofia/sofia.c

@@ -4975,6 +4975,14 @@ static void sofia_handle_sip_i_state(switch_core_session_t *session, int status,
 									char *br_a = b_private->uuid;
 
 									if (br_b) {
+										switch_core_session_t *tmp;
+
+										if (switch_true(switch_channel_get_variable(channel, "recording_follow_transfer")) && 
+											(tmp = switch_core_session_locate(br_a))) {
+											switch_core_media_bug_transfer_recordings(session, tmp);
+											switch_core_session_rwunlock(tmp);
+										}
+
 										switch_ivr_uuid_bridge(br_a, br_b);
 										switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER");
 										sofia_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
@@ -5478,6 +5486,11 @@ void *SWITCH_THREAD_FUNC nightmare_xfer_thread_run(switch_thread_t *thread, void
 			if ((status = switch_ivr_originate(NULL, &tsession, &cause, nhelper->exten_with_params, timeout, NULL, NULL, NULL,
 											   switch_channel_get_caller_profile(channel_a), nhelper->vars, SOF_NONE, NULL)) == SWITCH_STATUS_SUCCESS) {
 				if (switch_channel_up(channel_a)) {
+
+					if (switch_true(switch_channel_get_variable(channel_a, "recording_follow_transfer"))) {
+						switch_core_media_bug_transfer_recordings(session, a_session);
+					}
+
 					tuuid_str = switch_core_session_get_uuid(tsession);
 					switch_ivr_uuid_bridge(nhelper->bridge_to_uuid, tuuid_str);
 					switch_channel_set_variable(channel_a, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER");
@@ -5828,6 +5841,14 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 								switch_core_session_rwunlock(tmp);
 							}
 
+
+							if (switch_true(switch_channel_get_variable(channel_a, "recording_follow_transfer")) && 
+								(tmp = switch_core_session_locate(br_a))) {
+								switch_core_media_bug_transfer_recordings(session, tmp);
+								switch_core_session_rwunlock(tmp);
+							}
+
+							
 							switch_ivr_uuid_bridge(br_b, br_a);
 							switch_channel_set_variable(channel_b, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER");
 							nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag;version=2.0"),

src/switch_core_media_bug.c

@@ -392,6 +392,45 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_flush_all(switch_core_sess
 	return SWITCH_STATUS_FALSE;
 }
 
+SWITCH_DECLARE(switch_status_t) switch_core_media_bug_transfer_recordings(switch_core_session_t *orig_session, switch_core_session_t *new_session)
+{
+	switch_media_bug_t *bp;
+	char *list[100] = { 0 };
+	int stop_times[100] = { 0 };
+	int i = 0, x = 0;
+
+	if (orig_session->bugs) {
+		switch_channel_t *new_channel = switch_core_session_get_channel(new_session);
+		const char *save = switch_channel_get_variable(new_channel, "record_append");
+
+		switch_thread_rwlock_wrlock(orig_session->bug_rwlock);
+		
+		switch_channel_set_variable(new_channel, "record_append", "true");
+
+		for (bp = orig_session->bugs; bp; bp = bp->next) {
+			if (!strcmp(bp->function, "session_record")) {
+				list[x] = switch_core_session_strdup(new_session, bp->target);
+				if (bp->stop_time > 0) {
+					stop_times[x] = bp->stop_time - switch_epoch_time_now(NULL);
+				}
+				x++;
+			}
+		}
+
+		switch_thread_rwlock_unlock(orig_session->bug_rwlock);
+
+		for(i = 0; i < x; i++) {
+			switch_ivr_stop_record_session(orig_session, list[i]);
+			switch_ivr_record_session(new_session, list[i], stop_times[i], NULL);
+		}
+
+		switch_channel_set_variable(new_channel, "record_append", save);
+
+	}
+
+	return x ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
+}
+
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_enumerate(switch_core_session_t *session, switch_stream_handle_t *stream)
 {
 	switch_media_bug_t *bp;

src/switch_ivr_async.c

@@ -1638,6 +1638,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t
 	return SWITCH_STATUS_SUCCESS;
 }
 
+
 typedef struct {
 	SpeexPreprocessState *read_st;
 	SpeexPreprocessState *write_st;