mirror of https://github.com/pvnis/srsRAN_4G.git
Starting to add Create Session Request function
Pedro Alvarez
7 years ago
parent
606520d244
commit
a8a370ec21
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2017 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef MME_GTPC_H
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#define MME_GTPC_H
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namespace srsepc
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{
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class mme_gtpc
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{
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public:
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mme_gtpc();
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~mme_gtpc();
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static mme_gtpc* get_instance(void);
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static void cleanup(void);
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void init();
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void send_create_session_request(uint64_t imsi, struct create_session_response *cs_resp);
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};
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}
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#endif
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@ -0,0 +1,96 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2017 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <iostream>
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namespace srsepc{
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mme_gtpc* mme_gtpc::m_instance = NULL;
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boost::mutex mme_gtpc_instance_mutex;
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mme_gtpc::mme_gtpc():
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{
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}
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mme_gtpc::~mme_gtpc()
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{
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}
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mme_gtpc*
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mme_gtpc::get_instance(void)
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{
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boost::mutex::scoped_lock lock(mme_gtpc_instance_mutex);
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if(NULL == m_instance) {
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m_instance = new mme_gtpc();
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}
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return(m_instance);
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}
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void
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mme_gtpc::cleanup(void)
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{
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boost::mutex::scoped_lock lock(mme_gtpc_instance_mutex);
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if(NULL != m_instance) {
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delete m_instance;
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m_instance = NULL;
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}
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}
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void
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mme_gtpc::init()
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{
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m_spgw = spgw::get_instance();
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}
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void
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mme_gtpc::send_create_session_request(uint64_t imsi, struct create_session_response *cs_resp)
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{
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uint64_t imsi;
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struct gtpc_pdu cs_req;
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//Setup GTP-C Header. FIXME: Length, sequence and other fields need to be added.
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cs_req.header.piggyback = false;
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cs_req.header.teid_present = true;
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cs_req.header.type = GTPC_MSG_TYPE_CREATE_SESSION_REQUEST;
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cs_req.header.teid = 0; //Send create session request to the butler TEID
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//Setup GTP-C Create Session Request IEs
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// Control TEID allocated \\
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cs_req.create_session_request.sender_f_teid.tied = get_new_ctrl_teid();
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cs_req.create_session_request.sender_f_teid.ip = htonl(m_mme_ip);
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// APN \\
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memcpy(cs_req.create_session_request.apn, "internet", sizeof("internet"));
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// RAT Type \\
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cs_req.create_session_request.rat_type = GTPC_RAT_TYPE::EUTRAN;
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//Save RX Control TEID
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create_rx_control_teid(create_session_request.sender_f_tied);
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spgw->handle_create_session_request(&cs_req, cs_resp);
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return;
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}
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} //namespace srsepc
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