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@ -733,60 +733,40 @@ s1ap_nas_transport::handle_nas_service_request(uint32_t m_tmsi,
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m_s1ap->m_s1ap_ctx_mngmt_proc->send_ue_context_release_command(ecm_ctx,reply_buffer);
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m_s1ap->release_ue_ecm_ctx(ecm_ctx->mme_ue_s1ap_id);
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}
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//Handle service request from Connected UE.
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//Set eNB UE S1ap identity
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// ecm_ctx->enb_ue_s1ap_id = enb_ue_s1ap_id;
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// m_s1ap_log->console("Service Request -- eNB UE S1AP Id %d \n", enb_ue_s1ap_id);
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//m_s1ap_log->info("Service Request -- eNB UE S1AP Id %d\n ", enb_ue_s1ap_id);
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//Delete eNB context and connect.
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//m_s1ap_log->console("Service Request -- User has ECM context already\n");
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//m_s1ap_log->info("Service Request -- User has ECM context already\n");
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//m_s1ap->m_s1ap_ctx_mngmt_proc->send_ue_context_release_command(ecm_ctx,reply_buffer);
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//int default_bearer_id = 5;
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//m_s1ap->m_s1ap_ctx_mngmt_proc->send_initial_context_setup_request(emm_ctx, ecm_ctx, &ecm_ctx->erabs_ctx[5]);
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//}
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//else if(ecm_ctx->state == ECM_STATE_IDLE)
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//{
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ecm_ctx->enb_ue_s1ap_id = enb_ue_s1ap_id;
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//UE not connect. Connect normally.
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m_s1ap_log->console("Service Request -- User is ECM DISCONNECTED\n");
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m_s1ap_log->info("Service Request -- User is ECM DISCONNECTED\n");
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//Create ECM context
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ecm_ctx->imsi = emm_ctx->imsi;
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ecm_ctx->mme_ue_s1ap_id = m_s1ap->get_next_mme_ue_s1ap_id();
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emm_ctx->mme_ue_s1ap_id = ecm_ctx->mme_ue_s1ap_id;
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//Set eNB information
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ecm_ctx->enb_ue_s1ap_id = enb_ue_s1ap_id;
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memcpy(&ecm_ctx->enb_sri, enb_sri, sizeof(struct sctp_sndrcvinfo));
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//Save whether secure ESM information transfer is necessary
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ecm_ctx->eit = false;
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//Get UE IP, and uplink F-TEID
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if(emm_ctx->ue_ip.s_addr == 0 )
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{
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m_s1ap_log->error("UE has no valid IP assigned upon reception of service request");
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}
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m_s1ap_log->console("UE previously assigned IP: %s",inet_ntoa(emm_ctx->ue_ip));
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//Mark E-RABs as setup, but not active yet
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ecm_ctx->enb_ue_s1ap_id = enb_ue_s1ap_id;
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//Re-generate K_eNB
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liblte_security_generate_k_enb(emm_ctx->security_ctxt.k_asme, emm_ctx->security_ctxt.ul_nas_count, emm_ctx->security_ctxt.k_enb);
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m_s1ap_log->info("Generating KeNB with UL NAS COUNT: %d\n",emm_ctx->security_ctxt.ul_nas_count);
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m_s1ap_log->console("UE Ctr TEID %d\n", emm_ctx->sgw_ctrl_fteid.teid);
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//UE not connect. Connect normally.
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m_s1ap_log->console("Service Request -- User is ECM DISCONNECTED\n");
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m_s1ap_log->info("Service Request -- User is ECM DISCONNECTED\n");
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//Create ECM context
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ecm_ctx->imsi = emm_ctx->imsi;
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ecm_ctx->mme_ue_s1ap_id = m_s1ap->get_next_mme_ue_s1ap_id();
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emm_ctx->mme_ue_s1ap_id = ecm_ctx->mme_ue_s1ap_id;
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//Set eNB information
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ecm_ctx->enb_ue_s1ap_id = enb_ue_s1ap_id;
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memcpy(&ecm_ctx->enb_sri, enb_sri, sizeof(struct sctp_sndrcvinfo));
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//Save UE ctx to MME UE S1AP id
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m_s1ap->add_ue_ctx_to_mme_ue_s1ap_id_map(ue_ctx);
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m_s1ap->m_s1ap_ctx_mngmt_proc->send_initial_context_setup_request(emm_ctx, ecm_ctx,&ecm_ctx->erabs_ctx[5]);
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/*}
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else
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//Save whether secure ESM information transfer is necessary
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ecm_ctx->eit = false;
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//Get UE IP, and uplink F-TEID
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if(emm_ctx->ue_ip.s_addr == 0 )
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{
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m_s1ap_log->console("ECM context is un-initialized.\n");
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m_s1ap_log->error("ECM context is un-initialized.\n");
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}*/
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m_s1ap_log->error("UE has no valid IP assigned upon reception of service request");
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}
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m_s1ap_log->console("UE previously assigned IP: %s",inet_ntoa(emm_ctx->ue_ip));
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//Mark E-RABs as setup, but not active yet
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//Re-generate K_eNB
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liblte_security_generate_k_enb(emm_ctx->security_ctxt.k_asme, emm_ctx->security_ctxt.ul_nas_count, emm_ctx->security_ctxt.k_enb);
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m_s1ap_log->info("Generating KeNB with UL NAS COUNT: %d\n",emm_ctx->security_ctxt.ul_nas_count);
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m_s1ap_log->console("UE Ctr TEID %d\n", emm_ctx->sgw_ctrl_fteid.teid);
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//Save UE ctx to MME UE S1AP id
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m_s1ap->add_ue_ctx_to_mme_ue_s1ap_id_map(ue_ctx);
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m_s1ap->m_s1ap_ctx_mngmt_proc->send_initial_context_setup_request(emm_ctx, ecm_ctx,&ecm_ctx->erabs_ctx[5]);
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}
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else
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{
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