1 files changed, 44 insertions, 0 deletions
diff --git a/include/osmocom/bsc/assignment_fsm.h b/include/osmocom/bsc/assignment_fsm.h
new file mode 100644
index 000000000..156da42fa
--- /dev/null
+++ b/include/osmocom/bsc/assignment_fsm.h
@@ -0,0 +1,44 @@
+/* osmo-bsc API to manage BSSMAP Assignment Command */
+#pragma once
+
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+
+#include <osmocom/bsc/debug.h>
+
+/* This macro automatically includes a final \n, if omitted. */
+#define LOG_ASSIGNMENT(conn, level, fmt, args...) do { \
+	if (conn->assignment.fi) \
+		LOGPFSML(conn->assignment.fi, level, "%s%s" fmt, \
+			 conn->assignment.new_lchan ? gsm_lchan_name(conn->assignment.new_lchan) : "", \
+			 conn->assignment.new_lchan ? " " : "", \
+			 ## args); \
+	else \
+		LOGP(DMSC, level, "Assignment%s%s: " fmt, \
+		     conn->assignment.new_lchan ? " of " : "", \
+		     conn->assignment.new_lchan ? gsm_lchan_name(conn->assignment.new_lchan) : "", \
+		     ## args); \
+	} while(0)
+
+enum assignment_fsm_state {
+	ASSIGNMENT_ST_WAIT_LCHAN_ACTIVE,
+	ASSIGNMENT_ST_WAIT_RR_ASS_COMPLETE,
+	ASSIGNMENT_ST_WAIT_LCHAN_ESTABLISHED,
+	ASSIGNMENT_ST_WAIT_MGW_ENDPOINT_TO_MSC,
+};
+
+enum assignment_fsm_event {
+	ASSIGNMENT_EV_LCHAN_ACTIVE,
+	ASSIGNMENT_EV_LCHAN_ESTABLISHED,
+	ASSIGNMENT_EV_LCHAN_ERROR,
+	ASSIGNMENT_EV_MSC_MGW_OK,
+	ASSIGNMENT_EV_MSC_MGW_FAIL,
+	ASSIGNMENT_EV_RR_ASSIGNMENT_COMPLETE,
+	ASSIGNMENT_EV_RR_ASSIGNMENT_FAIL,
+	ASSIGNMENT_EV_CONN_RELEASING,
+};
+
+void assignment_fsm_init();
+
+void assignment_fsm_start(struct gsm_subscriber_connection *conn, struct gsm_bts *bts,
+			  struct assignment_request *req);
+void assignment_reset(struct gsm_subscriber_connection *conn);