s1ap - set s1 handover cause as s1 intra system handover triggered

srsenb/src/stack/upper/s1ap.cc

@@ -23,11 +23,9 @@
 #include <inttypes.h>
 #include <netinet/in.h>
 #include <netinet/sctp.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
-#include <unistd.h> //for close(), sleep()
 
 using srsran::s1ap_mccmnc_to_plmn;
 using srsran::uint32_to_uint8;
@@ -1705,8 +1703,7 @@ bool s1ap::ue::send_ho_required(uint32_t                     target_eci,
   container.mme_ue_s1ap_id.value                        = ctxt.mme_ue_s1ap_id;
   container.direct_forwarding_path_availability_present = false;                // NOTE: X2 for fwd path not supported
   container.handov_type.value.value               = handov_type_opts::intralte; // NOTE: only intra-LTE HO supported
-  container.cause.value.set_radio_network().value = cause_radio_network_opts::unspecified;
-  // LIBLTE_S1AP_CAUSERADIONETWORK_S1_INTRA_SYSTEM_HANDOVER_TRIGGERED;
+  container.cause.value.set_radio_network().value = cause_radio_network_opts::s1_intra_sys_ho_triggered;
 
   /*** set the target eNB ***/
   container.csg_id_present           = false; // NOTE: CSG/hybrid target cell not supported

srsenb/test/upper/s1ap_test.cc

@@ -0,0 +1,58 @@
+/**
+ *
+ * \section COPYRIGHT
+ *
+ * Copyright 2013-2021 Software Radio Systems Limited
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the distribution.
+ *
+ */
+
+#include "srsenb/hdr/stack/upper/s1ap.h"
+#include "srsenb/test/common/dummy_classes.h"
+#include "srsran/common/test_common.h"
+
+using namespace srsenb;
+
+class stack_dummy : public srsenb::stack_interface_s1ap_lte
+{
+public:
+  void add_mme_socket(int fd) {}
+  void remove_mme_socket(int fd) {}
+};
+
+void test_s1ap_erab_setup()
+{
+  srsran::task_scheduler task_sched;
+  srslog::basic_logger&  logger = srslog::fetch_basic_logger("S1AP");
+  s1ap                   s1ap_obj(&task_sched, logger);
+  rrc_dummy              rrc;
+  stack_dummy            stack;
+
+  s1ap_args_t args   = {};
+  args.cell_id       = 0x01;
+  args.enb_id        = 0x19B;
+  args.mcc           = 907;
+  args.mnc           = 70;
+  args.s1c_bind_addr = "127.0.0.100";
+  args.tac           = 7;
+  args.gtp_bind_addr = "127.0.0.100";
+  args.mme_addr      = "127.0.0.1";
+
+  TESTASSERT(s1ap_obj.init(args, &rrc, &stack) == SRSRAN_SUCCESS);
+}
+
+int main(int argc, char** argv)
+{
+  // Setup logging.
+  auto& logger = srslog::fetch_basic_logger("S1AP");
+  logger.set_level(srslog::basic_levels::debug);
+  logger.set_hex_dump_max_size(-1);
+
+  // Start the log backend.
+  srsran::test_init(argc, argv);
+
+  test_s1ap_erab_setup();
+}