mirror of https://github.com/PentHertz/srsLTE.git
Continuing to clean up. Moved S1 setup request to s1ap_mngmnt_proc
This commit is contained in:
parent
a5633bf143
commit
1fb304ddd3
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@ -89,8 +89,13 @@ public:
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bool pack_esm_information_request(srslte::byte_buffer_t* reply_msg, srsepc::ue_ctx_t* ue_ctx);
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bool handle_esm_information_response(srslte::byte_buffer_t *nas_msg, srslte::byte_buffer_t *reply_msg, ue_ctx_t* ue_ctx);
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void print_enb_ctx_info(const enb_ctx_t &enb_ctx);
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void print_enb_ctx_info(const std::string &prefix, const enb_ctx_t &enb_ctx);
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uint32_t get_plmn();
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enb_ctx_t* find_enb_ctx(uint16_t enb_id);
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void add_enb_ctx(const enb_ctx_t &enb_ctx, const struct sctp_sndrcvinfo* enb_sri);
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s1ap_args_t m_s1ap_args;
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srslte::log_filter *m_s1ap_log;
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private:
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@ -99,7 +104,6 @@ private:
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static s1ap *m_instance;
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s1ap_args_t m_s1ap_args;
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uint32_t m_plmn;
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srslte::byte_buffer_pool *m_pool;
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@ -118,7 +122,11 @@ private:
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mme_gtpc *m_mme_gtpc;
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};
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inline uint32_t
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s1ap::get_plmn()
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{
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return m_plmn;
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}
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} //namespace srsepc
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@ -43,9 +43,10 @@ public:
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static s1ap_mngmt_proc* get_instance(void);
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static void cleanup(void);
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void init(void);
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bool handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, sctp_sndrcvinfo *enb_sri, srslte::byte_buffer_t *reply_buffer, bool *reply_flag);
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//Packing/unpacking helper functions
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bool unpack_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, enb_ctx_t* enb_ctx);
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bool pack_s1_setup_failure(LIBLTE_S1AP_CAUSEMISC_ENUM cause, srslte::byte_buffer_t* msg);
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@ -55,8 +56,11 @@ private:
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s1ap_mngmt_proc();
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virtual ~s1ap_mngmt_proc();
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s1ap* m_parent;
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s1ap* m_s1ap;
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srslte::log_filter *m_s1ap_log;
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int m_s1mme;
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s1ap_args_t m_s1ap_args;
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};
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} //namespace srsepc
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@ -254,10 +254,13 @@ s1ap::handle_s1ap_rx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb
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bool
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s1ap::handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri)
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{
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bool reply_flag = false;
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srslte::byte_buffer_t * reply_buffer = m_pool->allocate();
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switch(msg->choice_type) {
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case LIBLTE_S1AP_INITIATINGMESSAGE_CHOICE_S1SETUPREQUEST:
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m_s1ap_log->info("Received S1 Setup Request.\n");
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return handle_s1_setup_request(&msg->choice.S1SetupRequest, enb_sri);
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m_s1ap_mngmt_proc->handle_s1_setup_request(&msg->choice.S1SetupRequest, enb_sri, reply_buffer, &reply_flag);
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case LIBLTE_S1AP_INITIATINGMESSAGE_CHOICE_INITIALUEMESSAGE:
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m_s1ap_log->info("Received Initial UE Message.\n");
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return handle_initial_ue_message(&msg->choice.InitialUEMessage, enb_sri);
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@ -270,6 +273,18 @@ s1ap::handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, stru
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default:
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m_s1ap_log->error("Unhandled intiating message: %s\n", liblte_s1ap_initiatingmessage_choice_text[msg->choice_type]);
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}
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//Send Reply to eNB
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if(reply_flag == true)
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{
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ssize_t n_sent = sctp_send(m_s1mme,reply_buffer->msg, reply_buffer->N_bytes, enb_sri, 0);
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if(n_sent == -1)
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{
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m_s1ap_log->console("Failed to send S1 Setup Setup Reply");
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m_pool->deallocate(reply_buffer);
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return false;
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}
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}
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m_pool->deallocate(reply_buffer);
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return true;
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}
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@ -286,7 +301,7 @@ s1ap::handle_successful_outcome(LIBLTE_S1AP_SUCCESSFULOUTCOME_STRUCT *msg)
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return true;
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}
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/*
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bool
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s1ap::handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri)
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{
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@ -345,7 +360,7 @@ s1ap::handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, st
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}
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return true;
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}
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*/
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bool
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s1ap::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *init_ue, struct sctp_sndrcvinfo *enb_sri)
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{
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@ -1005,6 +1020,32 @@ s1ap::handle_ue_context_release_request(LIBLTE_S1AP_MESSAGE_UECONTEXTRELEASEREQU
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return true;
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}
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enb_ctx_t*
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s1ap::find_enb_ctx(uint16_t enb_id)
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{
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std::map<uint16_t,enb_ctx_t*>::iterator it = m_active_enbs.find(enb_id);
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if(it == m_active_enbs.end())
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{
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return NULL;
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}
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else
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{
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return it->second;
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}
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}
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void
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s1ap::add_enb_ctx(const enb_ctx_t &enb_ctx, const struct sctp_sndrcvinfo *enb_sri)
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{
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std::set<uint32_t> ue_set;
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enb_ctx_t *enb_ptr = new enb_ctx_t;
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memcpy(enb_ptr,&enb_ctx,sizeof(enb_ctx_t));
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m_active_enbs.insert(std::pair<uint16_t,enb_ctx_t*>(enb_ptr->enb_id,enb_ptr));
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m_sctp_to_enb_id.insert(std::pair<int32_t,uint16_t>(enb_sri->sinfo_assoc_id, enb_ptr->enb_id));
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m_enb_id_to_ue_ids.insert(std::pair<uint16_t,std::set<uint32_t> >(enb_ptr->enb_id,ue_set));
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}
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void
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s1ap::activate_eps_bearer(uint32_t mme_s1ap_id, uint8_t ebi)
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{
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@ -1028,33 +1069,33 @@ s1ap::activate_eps_bearer(uint32_t mme_s1ap_id, uint8_t ebi)
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}
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void
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s1ap::print_enb_ctx_info(const enb_ctx_t &enb_ctx)
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s1ap::print_enb_ctx_info(const std::string &prefix, const enb_ctx_t &enb_ctx)
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{
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std::string mnc_str, mcc_str;
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if(enb_ctx.enb_name_present)
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{
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m_s1ap_log->console("S1 Setup Request - eNB Name: %s, eNB id: 0x%x\n", enb_ctx.enb_name, enb_ctx.enb_id);
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m_s1ap_log->info("S1 Setup Request - eNB Name: %s, eNB id: 0x%x\n", enb_ctx.enb_name, enb_ctx.enb_id);
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m_s1ap_log->console("%s - eNB Name: %s, eNB id: 0x%x\n",prefix.c_str(), enb_ctx.enb_name, enb_ctx.enb_id);
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m_s1ap_log->info("%s - eNB Name: %s, eNB id: 0x%x\n", prefix.c_str(), enb_ctx.enb_name, enb_ctx.enb_id);
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}
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else
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{
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m_s1ap_log->console("S1 Setup Request - eNB Id 0x%x\n", enb_ctx.enb_id);
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m_s1ap_log->info("S1 Setup request - eNB Id 0x%x\n", enb_ctx.enb_id);
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m_s1ap_log->console("%s - eNB Id 0x%x\n",prefix.c_str(), enb_ctx.enb_id);
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m_s1ap_log->info("%s - eNB Id 0x%x\n", prefix.c_str(), enb_ctx.enb_id);
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}
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srslte::mcc_to_string(enb_ctx.mcc, &mcc_str);
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srslte::mnc_to_string(enb_ctx.mnc, &mnc_str);
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m_s1ap_log->info("S1 Setup Request - MCC:%s, MNC:%s, PLMN: %d\n", mcc_str.c_str(), mnc_str.c_str(), enb_ctx.plmn);
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m_s1ap_log->console("S1 Setup Request - MCC:%s, MNC:%s, PLMN: %d\n", mcc_str.c_str(), mnc_str.c_str(), enb_ctx.plmn);
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m_s1ap_log->info("%s - MCC:%s, MNC:%s, PLMN: %d\n", prefix.c_str(), mcc_str.c_str(), mnc_str.c_str(), enb_ctx.plmn);
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m_s1ap_log->console("%s - MCC:%s, MNC:%s, PLMN: %d\n", prefix.c_str(), mcc_str.c_str(), mnc_str.c_str(), enb_ctx.plmn);
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for(int i=0;i<enb_ctx.nof_supported_ta;i++)
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{
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for(int j=0;i<enb_ctx.nof_supported_ta;i++)
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{
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m_s1ap_log->info("S1 Setup Request - TAC %d, B-PLMN %d\n",enb_ctx.tac[i],enb_ctx.bplmns[i][j]);
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m_s1ap_log->console("S1 Setup Request - TAC %d, B-PLMN %d\n",enb_ctx.tac[i],enb_ctx.bplmns[i][j]);
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m_s1ap_log->info("%s - TAC %d, B-PLMN %d\n",prefix.c_str(), enb_ctx.tac[i],enb_ctx.bplmns[i][j]);
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m_s1ap_log->console("%s - TAC %d, B-PLMN %d\n",prefix.c_str(), enb_ctx.tac[i],enb_ctx.bplmns[i][j]);
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}
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}
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m_s1ap_log->console("S1 Setup Request - Paging DRX %d\n",enb_ctx.drx);
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m_s1ap_log->console("%s - Paging DRX %d\n",prefix.c_str(),enb_ctx.drx);
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return;
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}
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@ -66,39 +66,39 @@ s1ap_mngmt_proc::cleanup(void)
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void
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s1ap_mngmt_proc::init(void)
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{
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m_parent = s1ap::get_instance();
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m_s1ap_log = m_parent->m_s1ap_log;
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m_s1ap = s1ap::get_instance();
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m_s1ap_log = m_s1ap->m_s1ap_log;
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m_s1mme = m_s1ap->get_s1_mme();
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m_s1ap_args = m_s1ap->m_s1ap_args;
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}
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/*
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bool
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s1ap_mngmt_proc::handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri)
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s1ap_mngmt_proc::handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri, srslte::byte_buffer_t *reply_buffer, bool *reply_flag)
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{
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std::string mnc_str, mcc_str;
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enb_ctx_t enb_ctx;
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srslte::byte_buffer_t reply_msg;
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LIBLTE_S1AP_S1AP_PDU_STRUCT reply_pdu;
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if(!m_s1ap_mngmt_proc.unpack_s1_setup_request(msg, &enb_ctx))
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if(!unpack_s1_setup_request(msg, &enb_ctx))
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{
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m_s1ap_log->error("Malformed S1 Setup Request\n");
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return false;
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}
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//Log S1 Setup Request Info
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m_s1ap_log->console("Received S1 Setup Request. Association: %d\n",enb_sri->sinfo_assoc_id);
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print_enb_ctx_info(enb_ctx);
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m_s1ap_log->console("Received S1 Setup Request.");
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m_s1ap->print_enb_ctx_info(std::string("S1 Setup Request"),enb_ctx);
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//Check matching PLMNs
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if(enb_ctx.plmn!=m_plmn){
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if(enb_ctx.plmn!=m_s1ap->get_plmn()){
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m_s1ap_log->console("Sending S1 Setup Failure - Unkown PLMN\n");
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m_s1ap_log->info("Sending S1 Setup Failure - Unkown PLMN\n");
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m_s1ap_mngmt_proc.pack_s1_setup_failure(LIBLTE_S1AP_CAUSEMISC_UNKNOWN_PLMN,&reply_msg);
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m_s1ap_log->warning("Sending S1 Setup Failure - Unkown PLMN\n");
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pack_s1_setup_failure(LIBLTE_S1AP_CAUSEMISC_UNKNOWN_PLMN,reply_buffer);
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}
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else{
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std::map<uint16_t,enb_ctx_t*>::iterator it = m_active_enbs.find(enb_ctx.enb_id);
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if(it != m_active_enbs.end())
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enb_ctx_t *enb_ptr = m_s1ap->find_enb_ctx(enb_ctx.enb_id);
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if(enb_ptr == NULL)
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{
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//eNB already registered
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//TODO replace enb_ctx
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@ -106,29 +106,18 @@ s1ap_mngmt_proc::handle_s1_setup_request(LIBLTE_S1AP_MESSAGE_S1SETUPREQUEST_STRU
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else
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{
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//new eNB
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std::set<uint32_t> ue_set;
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enb_ctx_t *enb_ptr = new enb_ctx_t;
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memcpy(enb_ptr,&enb_ctx,sizeof(enb_ctx));
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m_active_enbs.insert(std::pair<uint16_t,enb_ctx_t*>(enb_ptr->enb_id,enb_ptr));
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m_sctp_to_enb_id.insert(std::pair<int32_t,uint16_t>(enb_sri->sinfo_assoc_id, enb_ptr->enb_id));
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m_enb_id_to_ue_ids.insert(std::pair<uint16_t,std::set<uint32_t> >(enb_ptr->enb_id,ue_set));
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m_s1ap->add_enb_ctx(enb_ctx,enb_sri);
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}
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m_s1ap_mngmt_proc.pack_s1_setup_response(m_s1ap_args, &reply_msg);
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pack_s1_setup_response(m_s1ap_args, reply_buffer);
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m_s1ap_log->console("Sending S1 Setup Response\n");
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m_s1ap_log->info("Sending S1 Setup Response\n");
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}
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//Send Reply to eNB
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ssize_t n_sent = sctp_send(m_s1mme,reply_msg.msg, reply_msg.N_bytes, enb_sri, 0);
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if(n_sent == -1)
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{
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m_s1ap_log->console("Failed to send S1 Setup Setup Reply");
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return false;
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}
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*reply_flag = true;
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return true;
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}
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*/
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/*
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* Packing/Unpacking helper functions.
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