mobile: Add initial support for scripting support

Right now the script will be executed once it is loaded. Make sure
to write it into the config file last. Expose various log commands
for logging. Jump through some hoops and get the filename and line
number from lua.

Change-Id: I456f6b6b5e1a14ed6c8cb0dcc5140093d3c61ef6

2 files changed, 7 insertions, 0 deletions

diff --git a/src/host/layer23/include/osmocom/bb/common/osmocom_data.h b/src/host/layer23/include/osmocom/bb/common/osmocom_data.h
index 7a935f97..8f5cdc33 100644
--- a/src/host/layer23/include/osmocom/bb/common/osmocom_data.h
+++ b/src/host/layer23/include/osmocom/bb/common/osmocom_data.h
@@ -85,6 +85,9 @@ struct osmocom_ms {
 	struct gsm48_cclayer cclayer;
 	struct osmomncc_entity mncc_entity;
 	struct llist_head trans_list;
+
+	void *lua_state;
+	char *lua_script;
 };
 
 enum osmobb_sig_subsys {
diff --git a/src/host/layer23/include/osmocom/bb/mobile/app_mobile.h b/src/host/layer23/include/osmocom/bb/mobile/app_mobile.h
index 7abfda1f..c2ab3c88 100644
--- a/src/host/layer23/include/osmocom/bb/mobile/app_mobile.h
+++ b/src/host/layer23/include/osmocom/bb/mobile/app_mobile.h
@@ -6,6 +6,7 @@
 extern char *config_dir;
 
 struct osmocom_ms;
+struct vty;
 
 int l23_app_init(int (*mncc_recv)(struct osmocom_ms *ms, int, void *),
 	const char *config_file, const char *vty_ip, uint16_t vty_port);
@@ -20,6 +21,9 @@ int mobile_stop(struct osmocom_ms *ms, int force);
 void mobile_set_started(struct osmocom_ms *ms, bool state);
 void mobile_set_shutdown(struct osmocom_ms *ms, int state);
 
+int script_lua_load(struct vty *vty, struct osmocom_ms *ms, const char *filename);
+int script_lua_close(struct osmocom_ms *ms);
+
 
 /* Internal code. Don't call directly */
 int mobile_exit(struct osmocom_ms *ms, int force);