Starting to handle UE capability info indication

srsepc/hdr/mme/s1ap.h

@@ -44,6 +44,7 @@
 #include "mme/s1ap_mngmt_proc.h"
 #include "mme/s1ap_nas_transport.h"
 #include "mme/s1ap_ctx_mngmt_proc.h"
+#include "mme/s1ap_ue_cap_info.h"
 #include "mme/mme_gtpc.h"
 #include "hss/hss.h"
 
@@ -100,8 +101,9 @@ public:
   srslte::log_filter            *m_s1ap_log;
 
   s1ap_mngmt_proc*               m_s1ap_mngmt_proc;
-  s1ap_nas_transport*             m_s1ap_nas_transport;
+  s1ap_nas_transport*            m_s1ap_nas_transport;
-  s1ap_ctx_mngmt_proc*             m_s1ap_ctx_mngmt_proc;
+  s1ap_ctx_mngmt_proc*           m_s1ap_ctx_mngmt_proc;
+  s1ap_ue_cap_info*              m_s1ap_ue_cap_info;
 
   std::map<uint32_t, uint64_t>                      m_tmsi_to_imsi;
 

srsepc/hdr/mme/s1ap_ue_cap_info.h

@@ -0,0 +1,60 @@
+/**
+ *
+ * \section COPYRIGHT
+ *
+ * Copyright 2013-2017 Software Radio Systems Limited
+ *
+ * \section LICENSE
+ *
+ * This file is part of srsLTE.
+ *
+ * srsLTE 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.
+ *
+ * srsLTE 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 Affero General Public License for more details.
+ *
+ * A copy of the GNU Affero General Public License can be found in
+ * the LICENSE file in the top-level directory of this distribution
+ * and at http://www.gnu.org/licenses/.
+ *
+ */
+#ifndef S1AP_UE_CAP_INFO_H
+#define S1AP_UE_CAP_INFO_H
+
+#include "srslte/asn1/liblte_s1ap.h"
+#include "srslte/common/common.h"
+#include "mme/s1ap_common.h"
+#include "srslte/common/log_filter.h"
+
+namespace srsepc{
+
+class s1ap;
+
+class s1ap_ue_cap_info
+{
+public:
+
+  static s1ap_ue_cap_info *m_instance;
+
+  static s1ap_ue_cap_info* get_instance(void);
+  static void cleanup(void);
+  void init(void);
+
+  bool handle_ue_capability_info_indication(LIBLTE_S1AP_MESSAGE_UECAPABILITYINFOINDICATION_STRUCT *msg, sctp_sndrcvinfo *enb_sri, srslte::byte_buffer_t *reply_buffer, bool *reply_flag);
+
+private:
+  s1ap_ue_cap_info();
+  virtual ~s1ap_ue_cap_info();
+
+  s1ap* m_s1ap;
+  srslte::log_filter *m_s1ap_log;
+};
+
+} //namespace srsepc
+
+#endif //S1AP_MNGMT_PROC

srsepc/src/mme/s1ap.cc

@@ -249,6 +249,10 @@ s1ap::handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg,  stru
     m_s1ap_log->info("Received UE Context Release Request Message.\n");
     m_s1ap_ctx_mngmt_proc->handle_ue_context_release_request(&msg->choice.UEContextReleaseRequest, enb_sri, reply_buffer, &reply_flag);
     break;
+  case LIBLTE_S1AP_PROC_ID_UECAPABILITYINFOINDICATION:
+    m_s1ap_log->info("Received UE Context Release Request Message.\n");
+    m_s1ap_ue_cap_info->handle_ue_capability_info_indication(&msg->choice.UECapabilityInfoIndication, enb_sri, reply_buffer, &reply_flag);
+    break;
   default:
     m_s1ap_log->error("Unhandled S1AP intiating message: %s\n", liblte_s1ap_initiatingmessage_choice_text[msg->choice_type]);
     m_s1ap_log->console("Unhandled S1APintiating message: %s\n", liblte_s1ap_initiatingmessage_choice_text[msg->choice_type]);

srsepc/src/mme/s1ap_ue_cap_info.cc

@@ -0,0 +1,77 @@
+/**
+ *
+ * \section COPYRIGHT
+ *
+ * Copyright 2013-2017 Software Radio Systems Limited
+ *
+ * \section LICENSE
+ *
+ * This file is part of srsLTE.
+ *
+ * srsLTE 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.
+ *
+ * srsLTE 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 Affero General Public License for more details.
+ *
+ * A copy of the GNU Affero General Public License can be found in
+ * the LICENSE file in the top-level directory of this distribution
+ * and at http://www.gnu.org/licenses/.
+ *
+ */
+#include "mme/s1ap.h"
+#include "mme/s1ap_ue_cap_info.h"
+
+namespace srsepc{
+
+s1ap_ue_cap_info*          s1ap_ue_cap_info::m_instance = NULL;
+boost::mutex   s1ap_ue_cap_info_instance_mutex;
+
+
+s1ap_ue_cap_info::s1ap_ue_cap_info()
+{
+}
+
+s1ap_ue_cap_info::~s1ap_ue_cap_info()
+{
+}
+
+s1ap_ue_cap_info*
+s1ap_ue_cap_info::get_instance(void)
+{
+  boost::mutex::scoped_lock lock(s1ap_ue_cap_info_instance_mutex);
+  if(NULL == m_instance) {
+    m_instance = new s1ap_ue_cap_info();
+  }
+  return(m_instance);
+}
+
+void
+s1ap_ue_cap_info::cleanup(void)
+{
+  boost::mutex::scoped_lock lock(s1ap_ue_cap_info_instance_mutex);
+  if(NULL != m_instance) {
+    delete m_instance;
+    m_instance = NULL;
+  }
+}
+
+void
+s1ap_ue_cap_info::init(void)
+{
+  m_s1ap     = s1ap::get_instance();
+  m_s1ap_log = m_s1ap->m_s1ap_log;
+}
+
+bool
+s1ap_ue_cap_info::handle_ue_capability_info_indication(LIBLTE_S1AP_MESSAGE_UECAPABILITYINFOINDICATION_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri, srslte::byte_buffer_t *reply_buffer, bool *reply_flag)
+{
+  m_s1ap_log->info("UE Capability Info Indication\n");
+  return true;
+}
+
+} //namespace srsepc