1 files changed, 49 insertions, 0 deletions
diff --git a/mblock/src/lib/mb_endpoint.cc b/mblock/src/lib/mb_endpoint.cc
new file mode 100644
index 000000000..3fe2d08c5
--- /dev/null
+++ b/mblock/src/lib/mb_endpoint.cc
@@ -0,0 +1,49 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <mb_endpoint.h>
+
+bool
+mb_endpoint::inside_of_relay_port_p() const
+{
+  return d_port->port_type() == mb_port::RELAY && d_component_name == "self";
+}
+
+pmt_t
+mb_endpoint::incoming_message_set() const
+{
+  if (inside_of_relay_port_p())			// swap incoming and outgoing
+    return port()->outgoing_message_set();
+  else
+    return port()->incoming_message_set();
+}
+
+pmt_t
+mb_endpoint::outgoing_message_set() const
+{
+  if (inside_of_relay_port_p())			// swap incoming and outgoing
+    return port()->incoming_message_set();
+  else
+    return port()->outgoing_message_set();
+}