lchan: Similar to OpenBSC use a set method to change the state

By making all modifications through lchan_set_state we can easily
add code to verify the state transition.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/common/lchan.c b/src/common/lchan.c
new file mode 100644
index 00000000..5b6786a8
--- /dev/null
+++ b/src/common/lchan.c
@@ -0,0 +1,27 @@
+/* OsmoBTS lchan interface */
+
+/* (C) 2012 by Holger Hans Peter Freyther
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmo-bts/gsm_data.h>
+
+void lchan_set_state(struct gsm_lchan *lchan, enum gsm_lchan_state state)
+{
+	lchan->state = state;
+}