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openairinterface5g/openair-cn/OPENAIRHSS/s6a/s6a_subscription_data.c
T
Lionel Gauthier 26495e6a0a GPLv3 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5552 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2014-07-17 13:40:57 +00:00

276 lines
11 KiB
C
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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
#include "hss_config.h"
#include "db_proto.h"
#include "s6a_proto.h"
/*! \file s6a_subscription_data.c
* \brief Add the subscription data to a message. Data are retrieved from database
* \author Sebastien ROUX <sebastien.roux@eurecom.fr>
* \date 2013
* \version 0.1
*/
int s6a_add_subscription_data_avp(struct msg *message, mysql_ul_ans_t *mysql_ans)
{
int ret = -1, i = 0;
mysql_pdn_t *pdns = NULL;
uint8_t nb_pdns = 0;
struct avp *avp = NULL, *child_avp = NULL;
union avp_value value;
if (mysql_ans == NULL) {
return -1;
}
ret = hss_mysql_query_pdns(mysql_ans->imsi, &pdns, &nb_pdns);
if (ret != 0) {
/* mysql query failed:
* - maybe no more memory
* - maybe user is not known (should have failed before)
* - maybe imsi has no EPS subscribed
*/
goto out;
}
if (nb_pdns == 0)
{
/* No PDN for this user -> DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION */
return -1;
}
/* Create the Subscription-Data AVP */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_subscription_data, 0, &avp));
{
uint8_t msisdn_len = strlen(mysql_ans->msisdn);
/* The MSISDN is known in the HSS, add it to the subscription data */
if (msisdn_len > 0) {
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_msisdn, 0, &child_avp));
value.os.data = (uint8_t *)mysql_ans->msisdn;
value.os.len = msisdn_len;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
}
}
/* We have to include the acess-restriction-data if the value stored in DB
* indicates that at least one restriction is applied to the USER.
*/
if (mysql_ans->access_restriction != 0) {
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_access_restriction_data, 0, &child_avp));
value.u32 = (uint32_t)mysql_ans->access_restriction;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
}
/* Add the Subscriber-Status to the list of AVP.
* It shall indicate if the service is barred or granted.
* TODO: normally this parameter comes from DB...
*/
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_subscriber_status, 0, &child_avp));
/* SERVICE_GRANTED */
value.u32 = 0;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
/* Add the Network-Access-Mode to the list of AVP.
* LTE Standalone HSS/MME: ONLY_PACKET.
*/
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_network_access_mode, 0, &child_avp));
/* SERVICE_GRANTED */
value.u32 = 2;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
/* Add the AMBR to list of AVPs */
{
struct avp *bandwidth;
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_ambr, 0, &child_avp));
/* Uplink bandwidth */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_max_bandwidth_ul, 0, &bandwidth));
value.u32 = mysql_ans->aggr_ul;
CHECK_FCT(fd_msg_avp_setvalue(bandwidth, &value));
CHECK_FCT(fd_msg_avp_add(child_avp, MSG_BRW_LAST_CHILD, bandwidth));
/* Downlink bandwidth */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_max_bandwidth_dl, 0, &bandwidth));
value.u32 = mysql_ans->aggr_dl;
CHECK_FCT(fd_msg_avp_setvalue(bandwidth, &value));
CHECK_FCT(fd_msg_avp_add(child_avp, MSG_BRW_LAST_CHILD, bandwidth));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
}
/* Add the APN-Configuration-Profile only if at least one APN is subscribed */
if (nb_pdns > 0)
{
struct avp *apn_profile;
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_apn_configuration_profile,
0, &apn_profile));
/* Context-Identifier */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_context_identifier, 0, &child_avp));
value.u32 = 0;
/* TODO: this is the reference to the default APN... */
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(apn_profile, MSG_BRW_LAST_CHILD, child_avp));
/* All-APN-Configurations-Included-Indicator */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_all_apn_conf_inc_ind, 0, &child_avp));
value.u32 = 0;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(apn_profile, MSG_BRW_LAST_CHILD, child_avp));
for (i = 0; i < nb_pdns; i++)
{
struct avp *apn_configuration;
mysql_pdn_t *pdn_elm;
pdn_elm = &pdns[i];
/* APN-Configuration */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_apn_configuration, 0, &apn_configuration));
/* Context-Identifier */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_context_identifier, 0, &child_avp));
value.u32 = i;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(apn_configuration, MSG_BRW_LAST_CHILD, child_avp));
/* PDN-Type */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_pdn_type, 0, &child_avp));
value.u32 = pdn_elm->pdn_type;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(apn_configuration, MSG_BRW_LAST_CHILD, child_avp));
if ((pdn_elm->pdn_type == IPV4) ||
(pdn_elm->pdn_type == IPV4_OR_IPV6) ||
(pdn_elm->pdn_type == IPV4V6))
{
s6a_add_ipv4_address(apn_configuration, pdn_elm->pdn_address.ipv4_address);
}
if ((pdn_elm->pdn_type == IPV6) ||
(pdn_elm->pdn_type == IPV4_OR_IPV6) ||
(pdn_elm->pdn_type == IPV4V6))
{
s6a_add_ipv6_address(apn_configuration, pdn_elm->pdn_address.ipv6_address);
}
/* Service-Selection */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_service_selection, 0, &child_avp));
value.os.data = (uint8_t*)pdn_elm->apn;
value.os.len = strlen(pdn_elm->apn);
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(apn_configuration, MSG_BRW_LAST_CHILD, child_avp));
/* Add the eps subscribed qos profile */
{
struct avp *qos_profile, *allocation_priority;
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_eps_subscribed_qos_profile, 0, &qos_profile));
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_qos_class_identifier, 0, &child_avp));
/* For a QCI_1 */
value.u32 = (uint32_t)pdn_elm->qci;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(qos_profile, MSG_BRW_LAST_CHILD, child_avp));
/* Allocation retention priority */
{
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_allocation_retention_priority, 0, &allocation_priority));
/* Priority level */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_priority_level, 0, &child_avp));
value.u32 = (uint32_t)pdn_elm->priority_level;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(allocation_priority, MSG_BRW_LAST_CHILD, child_avp));
/* Pre-emption-capability */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_pre_emption_capability, 0, &child_avp));
value.u32 = (uint32_t)pdn_elm->pre_emp_cap;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(allocation_priority, MSG_BRW_LAST_CHILD, child_avp));
/* Pre-emption-vulnerability */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_pre_emption_vulnerability, 0, &child_avp));
value.u32 = (uint32_t)pdn_elm->pre_emp_vul;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(allocation_priority, MSG_BRW_LAST_CHILD, child_avp));
CHECK_FCT(fd_msg_avp_add(qos_profile, MSG_BRW_LAST_CHILD, allocation_priority));
}
CHECK_FCT(fd_msg_avp_add(apn_configuration, MSG_BRW_LAST_CHILD, qos_profile));
}
/* Add the AMBR to list of AVPs */
{
struct avp *bandwidth;
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_ambr, 0, &bandwidth));
/* Uplink bandwidth */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_max_bandwidth_ul, 0, &child_avp));
value.u32 = (uint32_t)pdn_elm->aggr_ul;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(bandwidth, MSG_BRW_LAST_CHILD, child_avp));
/* Downlink bandwidth */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_max_bandwidth_dl, 0, &child_avp));
value.u32 = (uint32_t)pdn_elm->aggr_dl;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(bandwidth, MSG_BRW_LAST_CHILD, child_avp));
CHECK_FCT(fd_msg_avp_add(apn_configuration, MSG_BRW_LAST_CHILD, bandwidth));
}
CHECK_FCT(fd_msg_avp_add(apn_profile, MSG_BRW_LAST_CHILD, apn_configuration));
}
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, apn_profile));
}
/* Subscribed-Periodic-RAU-TAU-Timer */
CHECK_FCT(fd_msg_avp_new(s6a_cnf.dataobj_s6a_subscribed_rau_tau_timer, 0, &child_avp));
/* Request an RAU/TAU update every x seconds */
value.u32 = (uint32_t)mysql_ans->rau_tau;
CHECK_FCT(fd_msg_avp_setvalue(child_avp, &value));
CHECK_FCT(fd_msg_avp_add(avp, MSG_BRW_LAST_CHILD, child_avp));
/* Add the AVP to the message */
CHECK_FCT(fd_msg_avp_add(message, MSG_BRW_LAST_CHILD, avp));
out:
if (pdns) {
free(pdns);
}
return ret;
}
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