void sending rrc connection release as msg4

srsenb/hdr/stack/rrc/rrc_bearer_cfg.h

@@ -87,6 +87,7 @@ public:
 
   const std::map<uint8_t, erab_t>&        get_erabs() const { return erabs; }
   const asn1::rrc::drb_to_add_mod_list_l& established_drbs() const { return last_drbs; }
+  const asn1::rrc::srb_to_add_mod_list_l& established_srbs() const { return last_srbs; }
 
 private:
   srslte::log_ref     log_h{"RRC"};

srsenb/src/stack/mac/mac.cc

@@ -259,10 +259,7 @@ int mac::ue_set_crnti(uint16_t temp_crnti, uint16_t crnti, sched_interface::ue_c
 {
   srslte::rwlock_read_guard lock(rwlock);
   if (temp_crnti != crnti) {
-    // if RNTI is maintained, Msg3 contained a RRC Setup Request
+    // if C-RNTI is changed, it corresponds to older user. Handover scenario.
-    // C-RNTI corresponds to older user. Handover scenario.
-    phy_h->rem_rnti(crnti);
-    phy_h->add_rnti(crnti, cfg->supported_cc_list[0].enb_cc_idx, false);
     ue_db[crnti]->reset();
   }
   int ret = ue_cfg(crnti, cfg);

srsenb/src/stack/rrc/rrc.cc

@@ -198,7 +198,7 @@ void rrc::upd_user(uint16_t new_rnti, uint16_t old_rnti)
     if (old_it->second->is_connected()) {
       old_it->second->send_connection_reconf_upd(srslte::allocate_unique_buffer(*pool));
     } else {
-      old_it->second->send_connection_release();
+      old_it->second->send_connection_reject();
     }
   }
 }