/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*! \file m3ap_MCE.c * \brief m3ap tasks for MCE * \author Javier Morgade * \date 2019 * \version 0.1 */ #include #include #include #include #include #include "intertask_interface.h" #include "m3ap_MCE.h" #include "m3ap_MCE_defs.h" #include "m3ap_MCE_management_procedures.h" #include "m3ap_MCE_handler.h" //#include "m3ap_MCE_generate_messages.h" #include "m3ap_common.h" #include "m3ap_MCE_interface_management.h" #include "m3ap_ids.h" #include "m3ap_timers.h" #include "queue.h" #include "assertions.h" #include "conversions.h" struct m3ap_mce_map; struct m3ap_MCE_data_s; m3ap_setup_req_t * m3ap_mce_data_g; RB_PROTOTYPE(m3ap_mce_map, m3ap_MCE_data_s, entry, m3ap_MCE_compare_assoc_id); static void m3ap_MCE_handle_sctp_data_ind(instance_t instance, sctp_data_ind_t *sctp_data_ind); static void m3ap_MCE_handle_sctp_association_resp(instance_t instance, sctp_new_association_resp_t *sctp_new_association_resp); static void m3ap_MCE_handle_sctp_association_ind(instance_t instance, sctp_new_association_ind_t *sctp_new_association_ind); static void m3ap_MCE_handle_register_MCE(instance_t instance, m3ap_register_mce_req_t *m3ap_register_MME); static void m3ap_MCE_register_MCE(m3ap_MCE_instance_t *instance_p, net_ip_address_t *target_MME_ip_addr, net_ip_address_t *local_ip_addr, uint16_t in_streams, uint16_t out_streams, uint32_t mce_port_for_M3C, int multi_sd); //static //void m3ap_eNB_handle_handover_req(instance_t instance, // m3ap_handover_req_t *m3ap_handover_req); // //static //void m3ap_eNB_handle_handover_req_ack(instance_t instance, // m3ap_handover_req_ack_t *m3ap_handover_req_ack); // //static //void m3ap_eNB_ue_context_release(instance_t instance, // m3ap_ue_context_release_t *m3ap_ue_context_release); // static void m3ap_MCE_handle_sctp_data_ind(instance_t instance, sctp_data_ind_t *sctp_data_ind) { int result; DevAssert(sctp_data_ind != NULL); m3ap_MCE_handle_message(instance, sctp_data_ind->assoc_id, sctp_data_ind->stream, sctp_data_ind->buffer, sctp_data_ind->buffer_length); result = itti_free(TASK_UNKNOWN, sctp_data_ind->buffer); AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); } static void m3ap_MCE_handle_sctp_association_resp(instance_t instance, sctp_new_association_resp_t *sctp_new_association_resp) { m3ap_MCE_instance_t *instance_p; m3ap_MCE_data_t *m3ap_mce_data_p; DevAssert(sctp_new_association_resp != NULL); //printf("m3ap_eNB_handle_sctp_association_resp at 1\n"); //dump_trees(); instance_p = m3ap_MCE_get_instance(instance); DevAssert(instance_p != NULL); /* if the assoc_id is already known, it is certainly because an IND was received * before. In this case, just update streams and return */ if (sctp_new_association_resp->assoc_id != -1) { m3ap_mce_data_p = m3ap_get_MCE(instance_p, sctp_new_association_resp->assoc_id, sctp_new_association_resp->ulp_cnx_id); if (m3ap_mce_data_p != NULL) { /* some sanity check - to be refined at some point */ if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) { M3AP_ERROR("m3ap_mce_data_p not NULL and sctp state not SCTP_STATE_ESTABLISHED, what to do?\n"); abort(); } m3ap_mce_data_p->in_streams = sctp_new_association_resp->in_streams; m3ap_mce_data_p->out_streams = sctp_new_association_resp->out_streams; return; } } m3ap_mce_data_p = m3ap_get_MCE(instance_p, -1, sctp_new_association_resp->ulp_cnx_id); DevAssert(m3ap_mce_data_p != NULL); //printf("m3ap_MCE_handle_sctp_association_resp at 2\n"); //dump_trees_m3(); if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) { M3AP_WARN("Received unsuccessful result for SCTP association (%u), instance %ld, cnx_id %u\n", sctp_new_association_resp->sctp_state, instance, sctp_new_association_resp->ulp_cnx_id); //m3ap_handle_m3_setup_message(instance_p, m3ap_enb_data_p, //sctp_new_association_resp->sctp_state == SCTP_STATE_SHUTDOWN); sleep(4); int index; /* Trying to connect to the provided list of eNB ip address */ for (index = 0; index < instance_p->nb_m3; index++) { //M2AP_INFO("eNB[%d] eNB id %u acting as an initiator (client)\n", // instance_id, instance->eNB_id); m3ap_MCE_register_MCE(instance_p, &instance_p->target_mme_m3_ip_address[index], &instance_p->mme_m3_ip_address, instance_p->sctp_in_streams, instance_p->sctp_out_streams, instance_p->mce_port_for_M3C, instance_p->multi_sd); } return; } //printf("m3ap_MCE_handle_sctp_association_resp at 3\n"); //dump_trees_m3(); /* Update parameters */ m3ap_mce_data_p->assoc_id = sctp_new_association_resp->assoc_id; m3ap_mce_data_p->in_streams = sctp_new_association_resp->in_streams; m3ap_mce_data_p->out_streams = sctp_new_association_resp->out_streams; //printf("m3ap_MCE_handle_sctp_association_resp at 4\n"); //dump_trees_m3(); m3ap_mce_data_g->assoc_id = sctp_new_association_resp->assoc_id; m3ap_mce_data_g->sctp_in_streams = sctp_new_association_resp->in_streams; m3ap_mce_data_g->sctp_out_streams = sctp_new_association_resp->out_streams; /* Prepare new m3 Setup Request */ //m3ap_eNB_generate_m3_setup_request(instance_p, m3ap_enb_data_p); MCE_send_M3_SETUP_REQUEST(instance_p, m3ap_mce_data_p); } static void m3ap_MCE_handle_sctp_association_ind(instance_t instance, sctp_new_association_ind_t *sctp_new_association_ind) { m3ap_MCE_instance_t *instance_p; m3ap_MCE_data_t *m3ap_mce_data_p; //printf("m3ap_MCE_handle_sctp_association_ind at 1 (called for instance %d)\n", instance); //dump_trees_m3(); DevAssert(sctp_new_association_ind != NULL); instance_p = m3ap_MCE_get_instance(instance); DevAssert(instance_p != NULL); m3ap_mce_data_p = m3ap_get_MCE(instance_p, sctp_new_association_ind->assoc_id, -1); if (m3ap_mce_data_p != NULL) abort(); // DevAssert(m3ap_mce_data_p != NULL); if (m3ap_mce_data_p == NULL) { /* Create new MCE descriptor */ m3ap_mce_data_p = calloc(1, sizeof(*m3ap_mce_data_p)); DevAssert(m3ap_mce_data_p != NULL); m3ap_mce_data_p->cnx_id = m3ap_MCE_fetch_add_global_cnx_id(); m3ap_mce_data_p->m3ap_MCE_instance = instance_p; /* Insert the new descriptor in list of known eNB * but not yet associated. */ RB_INSERT(m3ap_mce_map, &instance_p->m3ap_mce_head, m3ap_mce_data_p); m3ap_mce_data_p->state = M3AP_MCE_STATE_CONNECTED; instance_p->m3_target_mme_nb++; if (instance_p->m3_target_mme_pending_nb > 0) { instance_p->m3_target_mme_pending_nb--; } } else { M3AP_WARN("m3ap_mce_data_p already exists\n"); } //printf("m3ap_MCE_handle_sctp_association_ind at 2\n"); //dump_trees_m3(); /* Update parameters */ m3ap_mce_data_p->assoc_id = sctp_new_association_ind->assoc_id; m3ap_mce_data_p->in_streams = sctp_new_association_ind->in_streams; m3ap_mce_data_p->out_streams = sctp_new_association_ind->out_streams; //printf("m3ap_MCE_handle_sctp_association_ind at 3\n"); //dump_trees_m3(); } int m3ap_MCE_init_sctp (m3ap_MCE_instance_t *instance_p, net_ip_address_t *local_ip_addr, uint32_t mce_port_for_M3C) { // Create and alloc new message DevAssert(instance_p != NULL); DevAssert(local_ip_addr != NULL); size_t addr_len = strlen(local_ip_addr->ipv4_address) + 1; MessageDef *message = itti_alloc_new_message_sized(TASK_M3AP_MCE, 0, SCTP_INIT_MSG_MULTI_REQ, sizeof(sctp_init_t) + addr_len); sctp_init_t *sctp_init = &message->ittiMsg.sctp_init_multi; sctp_init->port = mce_port_for_M3C; sctp_init->ppid = M3AP_SCTP_PPID; char *addr_buf = (char *) (sctp_init + 1); sctp_init->bind_address = addr_buf; memcpy(addr_buf, local_ip_addr->ipv4_address, addr_len); return itti_send_msg_to_task (TASK_SCTP, instance_p->instance, message); } static void m3ap_MCE_register_MCE(m3ap_MCE_instance_t *instance_p, net_ip_address_t *target_MCE_ip_address, net_ip_address_t *local_ip_addr, uint16_t in_streams, uint16_t out_streams, uint32_t mce_port_for_M3C, int multi_sd) { MessageDef *message = NULL; sctp_new_association_req_multi_t *sctp_new_association_req = NULL; m3ap_MCE_data_t *m3ap_mce_data = NULL; DevAssert(instance_p != NULL); DevAssert(target_MCE_ip_address != NULL); message = itti_alloc_new_message(TASK_M3AP_MCE, 0, SCTP_NEW_ASSOCIATION_REQ_MULTI); sctp_new_association_req = &message->ittiMsg.sctp_new_association_req_multi; sctp_new_association_req->port = mce_port_for_M3C; sctp_new_association_req->ppid = M3AP_SCTP_PPID; sctp_new_association_req->in_streams = in_streams; sctp_new_association_req->out_streams = out_streams; sctp_new_association_req->multi_sd = multi_sd; memcpy(&sctp_new_association_req->remote_address, target_MCE_ip_address, sizeof(*target_MCE_ip_address)); memcpy(&sctp_new_association_req->local_address, local_ip_addr, sizeof(*local_ip_addr)); /* Create new MCE descriptor */ m3ap_mce_data = calloc(1, sizeof(*m3ap_mce_data)); DevAssert(m3ap_mce_data != NULL); m3ap_mce_data->cnx_id = m3ap_MCE_fetch_add_global_cnx_id(); sctp_new_association_req->ulp_cnx_id = m3ap_mce_data->cnx_id; m3ap_mce_data->assoc_id = -1; m3ap_mce_data->m3ap_MCE_instance = instance_p; /* Insert the new descriptor in list of known eNB * but not yet associated. */ m3ap_mce_data_g = (m3ap_setup_req_t*)calloc(1,sizeof(m3ap_setup_req_t)); RB_INSERT(m3ap_mce_map, &instance_p->m3ap_mce_head, m3ap_mce_data); m3ap_mce_data->state = M3AP_MCE_STATE_WAITING; instance_p->m3_target_mme_nb ++; instance_p->m3_target_mme_pending_nb ++; itti_send_msg_to_task(TASK_SCTP, instance_p->instance, message); } static void m3ap_MCE_handle_register_MCE(instance_t instance, m3ap_register_mce_req_t *m3ap_register_MCE) { m3ap_MCE_instance_t *new_instance; DevAssert(m3ap_register_MCE != NULL); /* Look if the provided instance already exists */ new_instance = m3ap_MCE_get_instance(instance); if (new_instance != NULL) { /* Checks if it is a retry on the same MCE */ DevCheck(new_instance->MCE_id == m3ap_register_MCE->MCE_id, new_instance->MCE_id, m3ap_register_MCE->MCE_id, 0); DevCheck(new_instance->cell_type == m3ap_register_MCE->cell_type, new_instance->cell_type, m3ap_register_MCE->cell_type, 0); DevCheck(new_instance->tac == m3ap_register_MCE->tac, new_instance->tac, m3ap_register_MCE->tac, 0); DevCheck(new_instance->mcc == m3ap_register_MCE->mcc, new_instance->mcc, m3ap_register_MCE->mcc, 0); DevCheck(new_instance->mnc == m3ap_register_MCE->mnc, new_instance->mnc, m3ap_register_MCE->mnc, 0); M3AP_WARN("MCE[%ld] already registered\n", instance); } else { new_instance = calloc(1, sizeof(m3ap_MCE_instance_t)); DevAssert(new_instance != NULL); RB_INIT(&new_instance->m3ap_mce_head); /* Copy usefull parameters */ new_instance->instance = instance; new_instance->MCE_name = m3ap_register_MCE->MCE_name; new_instance->MCE_id = m3ap_register_MCE->MCE_id; new_instance->cell_type = m3ap_register_MCE->cell_type; new_instance->tac = m3ap_register_MCE->tac; new_instance->mcc = m3ap_register_MCE->mcc; new_instance->mnc = m3ap_register_MCE->mnc; new_instance->mnc_digit_length = m3ap_register_MCE->mnc_digit_length; new_instance->num_cc = m3ap_register_MCE->num_cc; m3ap_id_manager_init(&new_instance->id_manager); m3ap_timers_init(&new_instance->timers, m3ap_register_MCE->t_reloc_prep, m3ap_register_MCE->tm3_reloc_overall); for (int i = 0; i< m3ap_register_MCE->num_cc; i++) { new_instance->eutra_band[i] = m3ap_register_MCE->eutra_band[i]; new_instance->downlink_frequency[i] = m3ap_register_MCE->downlink_frequency[i]; new_instance->uplink_frequency_offset[i] = m3ap_register_MCE->uplink_frequency_offset[i]; new_instance->Nid_cell[i] = m3ap_register_MCE->Nid_cell[i]; new_instance->N_RB_DL[i] = m3ap_register_MCE->N_RB_DL[i]; new_instance->frame_type[i] = m3ap_register_MCE->frame_type[i]; new_instance->fdd_earfcn_DL[i] = m3ap_register_MCE->fdd_earfcn_DL[i]; new_instance->fdd_earfcn_UL[i] = m3ap_register_MCE->fdd_earfcn_UL[i]; } DevCheck(m3ap_register_MCE->nb_m3 <= M3AP_MAX_NB_MCE_IP_ADDRESS, M3AP_MAX_NB_MCE_IP_ADDRESS, m3ap_register_MCE->nb_m3, 0); memcpy(new_instance->target_mme_m3_ip_address, m3ap_register_MCE->target_mme_m3_ip_address, m3ap_register_MCE->nb_m3 * sizeof(net_ip_address_t)); new_instance->nb_m3 = m3ap_register_MCE->nb_m3; new_instance->mme_m3_ip_address = m3ap_register_MCE->mme_m3_ip_address; new_instance->sctp_in_streams = m3ap_register_MCE->sctp_in_streams; new_instance->sctp_out_streams = m3ap_register_MCE->sctp_out_streams; new_instance->mce_port_for_M3C = m3ap_register_MCE->mme_port_for_M3C; /* Add the new instance to the list of MCE (meaningfull in virtual mode) */ m3ap_MCE_insert_new_instance(new_instance); M3AP_INFO("Registered new MCE[%ld] and %s MCE id %u\n", instance, m3ap_register_MCE->cell_type == CELL_MACRO_ENB ? "macro" : "home", m3ap_register_MCE->MCE_id); printf("ipv4_address %s\n",m3ap_register_MCE->mme_m3_ip_address.ipv4_address); /* initiate the SCTP listener */ if (m3ap_MCE_init_sctp(new_instance,&m3ap_register_MCE->mme_m3_ip_address,m3ap_register_MCE->mme_port_for_M3C) < 0 ) { M3AP_ERROR ("Error while sending SCTP_INIT_MSG to SCTP \n"); return; } M3AP_INFO("MCE[%ld] MCE id %u acting as a listner (server)\n", instance, m3ap_register_MCE->MCE_id); } } static void m3ap_MCE_handle_sctp_init_msg_multi_cnf( instance_t instance_id, sctp_init_msg_multi_cnf_t *m) { m3ap_MCE_instance_t *instance; int index; DevAssert(m != NULL); instance = m3ap_MCE_get_instance(instance_id); DevAssert(instance != NULL); instance->multi_sd = m->multi_sd; /* Exit if CNF message reports failure. * Failure means multi_sd < 0. */ if (instance->multi_sd < 0) { M3AP_ERROR("Error: be sure to properly configure M3 in your configuration file.\n"); DevAssert(instance->multi_sd >= 0); } /* Trying to connect to the provided list of MCE ip address */ for (index = 0; index < instance->nb_m3; index++) { M3AP_INFO("MCE[%ld] MCE id %u acting as an initiator (client)\n", instance_id, instance->MCE_id); m3ap_MCE_register_MCE(instance, &instance->target_mme_m3_ip_address[index], &instance->mme_m3_ip_address, instance->sctp_in_streams, instance->sctp_out_streams, instance->mce_port_for_M3C, instance->multi_sd); } } //static //void m3ap_eNB_handle_handover_req(instance_t instance, // m3ap_handover_req_t *m3ap_handover_req) //{ // m3ap_eNB_instance_t *instance_p; // m3ap_eNB_data_t *target; // m3ap_id_manager *id_manager; // int ue_id; // // int target_pci = m3ap_handover_req->target_physCellId; // // instance_p = m3ap_eNB_get_instance(instance); // DevAssert(instance_p != NULL); // // target = m3ap_is_eNB_pci_in_list(target_pci); // DevAssert(target != NULL); // // /* allocate m3ap ID */ // id_manager = &instance_p->id_manager; // ue_id = m3ap_allocate_new_id(id_manager); // if (ue_id == -1) { // M3AP_ERROR("could not allocate a new M3AP UE ID\n"); // /* TODO: cancel handover: send (to be defined) message to RRC */ // exit(1); // } // /* id_source is ue_id, id_target is unknown yet */ // m3ap_set_ids(id_manager, ue_id, m3ap_handover_req->rnti, ue_id, -1); // m3ap_id_set_state(id_manager, ue_id, M2ID_STATE_SOURCE_PREPARE); // m3ap_set_reloc_prep_timer(id_manager, ue_id, // m3ap_timer_get_tti(&instance_p->timers)); // m3ap_id_set_target(id_manager, ue_id, target); // // m3ap_eNB_generate_m3_handover_request(instance_p, target, m3ap_handover_req, ue_id); //} //static //void m3ap_eNB_handle_handover_req_ack(instance_t instance, // m3ap_handover_req_ack_t *m3ap_handover_req_ack) //{ // /* TODO: remove this hack (the goal is to find the correct // * eNodeB structure for the other end) - we need a proper way for RRC // * and M3AP to identify eNodeBs // * RRC knows about mod_id and M3AP knows about eNB_id (eNB_ID in // * the configuration file) // * as far as I understand.. CROUX // */ // m3ap_eNB_instance_t *instance_p; // m3ap_eNB_data_t *target; // int source_assoc_id = m3ap_handover_req_ack->source_assoc_id; // int ue_id; // int id_source; // int id_target; // // instance_p = m3ap_eNB_get_instance(instance); // DevAssert(instance_p != NULL); // // target = m3ap_get_eNB(NULL, source_assoc_id, 0); // DevAssert(target != NULL); // // /* rnti is a new information, save it */ // ue_id = m3ap_handover_req_ack->m3_id_target; // id_source = m3ap_id_get_id_source(&instance_p->id_manager, ue_id); // id_target = ue_id; // m3ap_set_ids(&instance_p->id_manager, ue_id, m3ap_handover_req_ack->rnti, id_source, id_target); // // m3ap_eNB_generate_m3_handover_request_ack(instance_p, target, m3ap_handover_req_ack); //} // //static //void m3ap_eNB_ue_context_release(instance_t instance, // m3ap_ue_context_release_t *m3ap_ue_context_release) //{ // m3ap_eNB_instance_t *instance_p; // m3ap_eNB_data_t *target; // int source_assoc_id = m3ap_ue_context_release->source_assoc_id; // int ue_id; // instance_p = m3ap_eNB_get_instance(instance); // DevAssert(instance_p != NULL); // // target = m3ap_get_eNB(NULL, source_assoc_id, 0); // DevAssert(target != NULL); // // m3ap_eNB_generate_m3_ue_context_release(instance_p, target, m3ap_ue_context_release); // // /* free the M3AP UE ID */ // ue_id = m3ap_find_id_from_rnti(&instance_p->id_manager, m3ap_ue_context_release->rnti); // if (ue_id == -1) { // M3AP_ERROR("could not find UE %x\n", m3ap_ue_context_release->rnti); // exit(1); // } // m3ap_release_id(&instance_p->id_manager, ue_id); //} uint8_t m3ap_m3setup[] = { 0x00, 0x07, 0x00, 0x23, 0x00, 0x00, 0x03, 0x00, 0x12, 0x00, 0x07, 0x40, 0x55, 0xf5, 0x01, 0x00, 0x25, 0x00, 0x00, 0x13, 0x40, 0x0a, 0x03, 0x80, 0x4d, 0x33, 0x2d, 0x65, 0x4e, 0x42, 0x33, 0x37, 0x00, 0x14, 0x00, 0x03, 0x01, 0x00, 0x01 }; uint8_t m3ap_start[] = { 0x00, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x02, 0x00, 0x07, 0x00, 0x55, 0xf5, 0x01, 0x00, 0x00, 0x01, 0x00, 0x04, 0x00, 0x0d, 0x60, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x40, 0x01, 0x7a, 0x00, 0x05, 0x00, 0x03, 0x07, 0x08, 0x00, 0x00, 0x06, 0x00, 0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x01, 0x00, 0x00, 0x07, 0x00, 0x0e, 0x00, 0xe8, 0x0a, 0x0a, 0x0a, 0x00, 0x0a, 0xc8, 0x0a, 0xfe, 0x00, 0x00, 0x00, 0x01 }; void *m3ap_MCE_task(void *arg) { MessageDef *received_msg = NULL; int result; M3AP_DEBUG("Starting M3AP MCE layer\n"); m3ap_MCE_prepare_internal_data(); itti_mark_task_ready(TASK_M3AP_MCE); while (1) { itti_receive_msg(TASK_M3AP_MCE, &received_msg); switch (ITTI_MSG_ID(received_msg)) { case MESSAGE_TEST: // LOG_W(M3AP,"MCE Received Test Message ... TODO\n"); // //MessageDef * message_p = itti_alloc_new_message(TASK_M3AP, 0, MESSAGE_TEST); // //itti_send_msg_to_task(TASK_M2AP_ENB, 1/*ctxt_pP->module_id*/, message_p); // // asn_dec_rval_t dec_ret; // // // uint8_t *buffer; // uint32_t len; // M3AP_M3AP_PDU_t pdu; // memset(&pdu, 0, sizeof(pdu)); // // buffer = &m3ap_m3setup[0]; // //buffer = &m3ap_start[0]; // len=8*4+7; // //len=8*9+7; // // //if (m3ap_decode_pdu(&pdu, buffer, len) < 0) { // // LOG_E(M3AP, "Failed to decode PDU\n"); // //re//turn -1; // //} // M3AP_M3AP_PDU_t *pdu2 = &pdu; // dec_ret = aper_decode(NULL, // &asn_DEF_M3AP_M3AP_PDU, // (void **)&pdu2, // buffer, // len, // 0, // 0); // // LOG_W(M3AP,"Trying to print %d\n",(dec_ret.code == RC_OK)); // xer_fprint(stdout, &asn_DEF_M3AP_M3AP_PDU, &pdu); // LOG_W(M3AP,"Trying to print out \n"); break; case TERMINATE_MESSAGE: M3AP_WARN(" *** Exiting M3AP thread\n"); itti_exit_task(); break; case M3AP_SUBFRAME_PROCESS: m3ap_check_timers(ITTI_MSG_DESTINATION_INSTANCE(received_msg)); break; case M3AP_REGISTER_MCE_REQ: LOG_I(M3AP,"MCE Received M3AP_REGISTER_MCE_REQ Message\n"); m3ap_MCE_handle_register_MCE(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &M3AP_REGISTER_MCE_REQ(received_msg)); break; case M3AP_MBMS_SESSION_START_RESP: LOG_I(M3AP,"MCE M3AP_MBMS_SESSION_START_RESP Message\n"); MCE_send_MBMS_SESSION_START_RESPONSE(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &M3AP_MBMS_SESSION_START_RESP(received_msg)); break; case M3AP_MBMS_SESSION_STOP_RESP: LOG_I(M3AP,"MCE M3AP_MBMS_SESSION_STOP_RESP Message\n"); MCE_send_MBMS_SESSION_STOP_RESPONSE(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &M3AP_MBMS_SESSION_START_RESP(received_msg)); break; case M3AP_MBMS_SESSION_UPDATE_RESP: LOG_I(M3AP,"MCE M3AP_MBMS_SESSION_UPDATE_RESP Message\n"); //MCE_send_MBMS_SESSION_UPDATE_RESPONSE(ITTI_MSG_DESTINATION_INSTANCE(received_msg), //&M3AP_MBMS_SESSION_START_RESP(received_msg)); break; // case M3AP_HANDOVER_REQ: // m3ap_eNB_handle_handover_req(ITTI_MSG_DESTINATION_INSTANCE(received_msg), // &M3AP_HANDOVER_REQ(received_msg)); // break; // // case M3AP_HANDOVER_REQ_ACK: // m3ap_eNB_handle_handover_req_ack(ITTI_MSG_DESTINATION_INSTANCE(received_msg), // &M3AP_HANDOVER_REQ_ACK(received_msg)); // break; // // case M3AP_UE_CONTEXT_RELEASE: // m3ap_eNB_ue_context_release(ITTI_MSG_DESTINATION_INSTANCE(received_msg), // &M3AP_UE_CONTEXT_RELEASE(received_msg)); // break; // case SCTP_INIT_MSG_MULTI_CNF: LOG_D(M3AP,"MCE Received SCTP_INIT_MSG_MULTI_CNF Message\n"); m3ap_MCE_handle_sctp_init_msg_multi_cnf(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &received_msg->ittiMsg.sctp_init_msg_multi_cnf); break; case SCTP_NEW_ASSOCIATION_RESP: LOG_D(M3AP,"MCE Received SCTP_NEW_ASSOCIATION_RESP Message\n"); m3ap_MCE_handle_sctp_association_resp(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &received_msg->ittiMsg.sctp_new_association_resp); break; case SCTP_NEW_ASSOCIATION_IND: LOG_D(M3AP,"MCE Received SCTP_NEW_ASSOCIATION Message\n"); m3ap_MCE_handle_sctp_association_ind(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &received_msg->ittiMsg.sctp_new_association_ind); break; case SCTP_DATA_IND: LOG_D(M3AP,"MCE Received SCTP_DATA_IND Message\n"); m3ap_MCE_handle_sctp_data_ind(ITTI_MSG_DESTINATION_INSTANCE(received_msg), &received_msg->ittiMsg.sctp_data_ind); break; default: M3AP_ERROR("Received unhandled message: %d:%s\n", ITTI_MSG_ID(received_msg), ITTI_MSG_NAME(received_msg)); break; } result = itti_free (ITTI_MSG_ORIGIN_ID(received_msg), received_msg); AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); received_msg = NULL; } return NULL; } #include "common/config/config_userapi.h" int is_m3ap_MCE_enabled(void) { static volatile int config_loaded = 0; static volatile int enabled = 0; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; if (pthread_mutex_lock(&mutex)) goto mutex_error; if (config_loaded) { if (pthread_mutex_unlock(&mutex)) goto mutex_error; return enabled; } char *enable_m3 = NULL; paramdef_t p[] = { { "enable_mce_m3", "yes/no", 0, .strptr=&enable_m3, .defstrval="", TYPE_STRING, 0 } }; /* TODO: do it per module - we check only first MCE */ config_get(config_get_if(), p, sizeofArray(p), "MCEs.[0]"); if (enable_m3 != NULL && strcmp(enable_m3, "yes") == 0) enabled = 1; config_loaded = 1; if (pthread_mutex_unlock(&mutex)) goto mutex_error; return enabled; mutex_error: LOG_E(M3AP, "mutex error\n"); exit(1); }