gauthier
7b5431a62c
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
227 lines
8.6 KiB
C
Executable File
227 lines
8.6 KiB
C
Executable File
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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/*****************************************************************************
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Source nas_network.h
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Version 0.1
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Date 2012/09/20
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Product NAS stack
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Subsystem NAS main process
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Author Frederic Maurel
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Description NAS procedure functions triggered by the network
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*****************************************************************************/
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#include "nas_network.h"
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#include "commonDef.h"
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#include "nas_log.h"
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#include "nas_timer.h"
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#include "as_message.h"
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#include "nas_proc.h"
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/****************************************************************************/
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/**************** E X T E R N A L D E F I N I T I O N S ****************/
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/****************************************************************************/
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/****************************************************************************/
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/******************* L O C A L D E F I N I T I O N S *******************/
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/****************************************************************************/
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/****************************************************************************/
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/****************** E X P O R T E D F U N C T I O N S ******************/
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/****************************************************************************/
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/****************************************************************************
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** **
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** Name: nas_network_initialize() **
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** **
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** Description: Initializes network internal data **
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** **
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** Inputs: None **
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** Others: None **
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** **
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** Outputs: None **
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** Return: None **
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** Others: None **
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** **
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***************************************************************************/
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void nas_network_initialize(void)
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{
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LOG_FUNC_IN;
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LOG_FUNC_OUT;
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}
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/****************************************************************************
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** **
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** Name: nas_network_cleanup() **
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** **
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** Description: Performs clean up procedure before the system is shutdown **
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** **
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** Inputs: None **
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** Others: None **
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** **
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** Outputs: None **
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** Return: None **
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** Others: None **
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** **
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***************************************************************************/
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void nas_network_cleanup(void)
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{
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LOG_FUNC_IN;
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nas_proc_cleanup();
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LOG_FUNC_OUT;
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}
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/****************************************************************************
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** **
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** Name: nas_network_process_data() **
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** **
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** Description: Process Access Stratum messages received from the network **
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** and call applicable NAS procedure function. **
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** **
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** Inputs: msg_id: AS message identifier **
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** data: Generic pointer to data structure that has **
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** to be processed **
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** Others: None **
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** **
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** Outputs: None **
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** Return: RETURNok if the message has been success- **
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** fully processed; RETURNerror otherwise **
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** Others: None **
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** **
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***************************************************************************/
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int nas_network_process_data(int msg_id, const void *data)
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{
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LOG_FUNC_IN;
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const as_message_t *msg = (as_message_t *)(data);
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int rc = RETURNok;
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/* Sanity check */
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if (msg_id != msg->msgID) {
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LOG_TRACE(ERROR, "NET-MAIN - Message identifier 0x%x to process "
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"is different from that of the network data (0x%x)",
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msg_id, msg->msgID);
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LOG_FUNC_RETURN (RETURNerror);
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}
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switch (msg_id) {
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case AS_BROADCAST_INFO_IND:
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break;
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case AS_CELL_INFO_CNF: {
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/* Received cell information confirm */
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const cell_info_cnf_t *info = &msg->msg.cell_info_cnf;
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int cell_found = (info->errCode == AS_SUCCESS);
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rc = nas_proc_cell_info(cell_found, info->tac,
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info->cellID, info->rat,
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info->rsrp, info->rsrq);
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break;
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}
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case AS_CELL_INFO_IND:
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break;
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case AS_PAGING_IND:
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break;
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case AS_NAS_ESTABLISH_CNF: {
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/* Received NAS signalling connection establishment confirm */
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const nas_establish_cnf_t *confirm = &msg->msg.nas_establish_cnf;
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if ( (confirm->errCode == AS_SUCCESS) ||
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(confirm->errCode == AS_TERMINATED_NAS) ) {
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rc = nas_proc_establish_cnf(confirm->nasMsg.data,
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confirm->nasMsg.length);
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} else {
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LOG_TRACE(WARNING, "NET-MAIN - "
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"Initial NAS message not delivered");
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rc = nas_proc_establish_rej();
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}
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break;
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}
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case AS_NAS_RELEASE_IND:
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/* Received NAS signalling connection releaase indication */
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rc = nas_proc_release_ind(msg->msg.nas_release_ind.cause);
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break;
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case AS_UL_INFO_TRANSFER_CNF:
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/* Received uplink data transfer confirm */
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if (msg->msg.ul_info_transfer_cnf.errCode != AS_SUCCESS) {
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LOG_TRACE(WARNING, "NET-MAIN - "
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"Uplink NAS message not delivered");
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rc = nas_proc_ul_transfer_rej();
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} else {
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rc = nas_proc_ul_transfer_cnf();
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}
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break;
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case AS_DL_INFO_TRANSFER_IND: {
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const dl_info_transfer_ind_t *info = &msg->msg.dl_info_transfer_ind;
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/* Received downlink data transfer indication */
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rc = nas_proc_dl_transfer_ind(info->nasMsg.data,
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info->nasMsg.length);
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break;
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}
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case AS_RAB_ESTABLISH_IND:
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break;
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case AS_RAB_RELEASE_IND:
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break;
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default:
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LOG_TRACE(ERROR, "NET-MAIN - Unexpected AS message type: 0x%x",
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msg_id);
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rc = RETURNerror;
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break;
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}
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LOG_FUNC_RETURN (rc);
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}
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/****************************************************************************/
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/********************* L O C A L F U N C T I O N S *********************/
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/****************************************************************************/
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