int get_imsi(struct msg * msg, struct avp ** avp)
{
struct avp * nextavp = NULL, * a = NULL;
struct avp_hdr * a_hdr = NULL;
struct dict_avp_data dictdata;
struct avp_hdr *avp_dst;
*avp = NULL;
CHECK_FCT( fd_dict_getval(dcca_dict.Subscription_Id, &dictdata) );
CHECK_FCT( fd_msg_browse(msg, MSG_BRW_FIRST_CHILD, (void *)&nextavp, NULL) );
while (nextavp) {
CHECK_FCT( fd_msg_avp_hdr( nextavp, &avp_dst ) );
if ( (avp_dst->avp_code == dictdata.avp_code) && (avp_dst->avp_vendor == dictdata.avp_vendor) ) {
CHECK_FCT( avp_search_child ( nextavp, dcca_dict.Subscription_Id_Type, &a) );
if(a) {
CHECK_FCT( fd_msg_avp_hdr( a, &a_hdr ) );
if(a_hdr->avp_value->i32 == 1) {
CHECK_FCT( avp_search_child ( nextavp, dcca_dict.Subscription_Id_Data, avp) );
break;
}
}
}
/* Otherwise move to next AVP in the message */
CHECK_FCT( fd_msg_browse(nextavp, MSG_BRW_NEXT, (void *)&nextavp, NULL) );
}
return 0;
}
static inline
int s6a_parse_ambr(struct avp *avp_ambr, ambr_t *ambr)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
CHECK_FCT(fd_msg_browse(avp_ambr, MSG_BRW_FIRST_CHILD, &avp, NULL));
if (!avp) {
/* Child avps for ambr are mandatory */
return -1;
}
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_BANDWIDTH_UL:
CHECK_FCT(s6a_parse_bitrate(hdr, &ambr->br_ul));
break;
case AVP_CODE_BANDWIDTH_DL:
CHECK_FCT(s6a_parse_bitrate(hdr, &ambr->br_dl));
break;
default:
return -1;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
static inline
int s6a_parse_apn_configuration_profile(struct avp *avp_apn_conf_prof,
apn_config_profile_t *apn_config_profile)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
CHECK_FCT(fd_msg_browse(avp_apn_conf_prof, MSG_BRW_FIRST_CHILD, &avp, NULL));
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_CONTEXT_IDENTIFIER:
apn_config_profile->context_identifier = hdr->avp_value->u32;
break;
case AVP_CODE_ALL_APN_CONFIG_INC_IND:
CHECK_FCT(s6a_parse_all_apn_conf_inc_ind(hdr, &apn_config_profile->all_apn_conf_ind));
break;
case AVP_CODE_APN_CONFIGURATION: {
DevCheck(apn_config_profile->nb_apns < MAX_APN_PER_UE,
apn_config_profile->nb_apns, MAX_APN_PER_UE, 0);
CHECK_FCT(s6a_parse_apn_configuration(
avp, &apn_config_profile->apn_configuration[apn_config_profile->nb_apns]));
apn_config_profile->nb_apns++;
} break;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
static inline
int s6a_parse_eps_subscribed_qos_profile(struct avp *avp_qos,
eps_subscribed_qos_profile_t *ptr)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
CHECK_FCT(fd_msg_browse(avp_qos, MSG_BRW_FIRST_CHILD, &avp, NULL));
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_QCI:
CHECK_FCT(s6a_parse_qci(hdr, &ptr->qci));
break;
case AVP_CODE_ALLOCATION_RETENTION_PRIORITY:
CHECK_FCT(s6a_parse_allocation_retention_priority(avp, &ptr->allocation_retention_priority));
break;
default:
return -1;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
int s6a_parse_experimental_result(struct avp *avp, s6a_experimental_result_t *ptr)
{
struct avp_hdr *hdr;
struct avp *child_avp = NULL;
if (!avp) {
return EINVAL;
}
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
DevAssert(hdr->avp_code == AVP_CODE_EXPERIMENTAL_RESULT);
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_FIRST_CHILD, &child_avp, NULL));
while(child_avp) {
CHECK_FCT(fd_msg_avp_hdr(child_avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_EXPERIMENTAL_RESULT_CODE:
S6A_ERROR("Got experimental error %u:%s\n", hdr->avp_value->u32,
experimental_retcode_2_string(hdr->avp_value->u32));
if (ptr) {
*ptr = (s6a_experimental_result_t)hdr->avp_value->u32;
}
break;
case AVP_CODE_VENDOR_ID:
DevCheck(hdr->avp_value->u32 == 10415, hdr->avp_value->u32,
AVP_CODE_VENDOR_ID, 10415);
break;
default:
return -1;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(child_avp, MSG_BRW_NEXT, &child_avp, NULL));
}
return 0;
}
int s6a_parse_subscription_data(struct avp *avp_subscription_data,
subscription_data_t *subscription_data)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
CHECK_FCT(fd_msg_browse(avp_subscription_data, MSG_BRW_FIRST_CHILD, &avp, NULL));
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_SUBSCRIBER_STATUS:
CHECK_FCT(s6a_parse_subscriber_status(hdr, &subscription_data->subscriber_status));
break;
case AVP_CODE_MSISDN:
CHECK_FCT(s6a_parse_msisdn(hdr, subscription_data->msisdn,
&subscription_data->msisdn_length));
break;
case AVP_CODE_NETWORK_ACCESS_MODE:
CHECK_FCT(s6a_parse_network_access_mode(hdr, &subscription_data->access_mode));
break;
case AVP_CODE_ACCESS_RESTRICTION_DATA:
CHECK_FCT(s6a_parse_access_restriction_data(hdr, &subscription_data->access_restriction));
break;
case AVP_CODE_AMBR:
CHECK_FCT(s6a_parse_ambr(avp, &subscription_data->subscribed_ambr));
break;
case AVP_CODE_APN_CONFIGURATION_PROFILE:
CHECK_FCT(s6a_parse_apn_configuration_profile(avp, &subscription_data->apn_config_profile));
break;
case AVP_CODE_SUBSCRIBED_PERIODIC_RAU_TAU_TIMER:
subscription_data->rau_tau_timer = hdr->avp_value->u32;
break;
default:
return -1;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
static inline
int s6a_parse_allocation_retention_priority(struct avp *avp_arp,
allocation_retention_priority_t *ptr)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
/* If the Pre-emption-Capability AVP is not present in the
* Allocation-Retention-Priority AVP, the default value shall be
* PRE-EMPTION_CAPABILITY_DISABLED (1).
*/
ptr->pre_emp_capability = PRE_EMPTION_CAPABILITY_DISABLED;
/* If the Pre-emption-Vulnerability AVP is not present in the
* Allocation-Retention-Priority AVP, the default value shall be
* PRE-EMPTION_VULNERABILITY_ENABLED (0).
*/
ptr->pre_emp_vulnerability = PRE_EMPTION_VULNERABILITY_ENABLED;
CHECK_FCT(fd_msg_browse(avp_arp, MSG_BRW_FIRST_CHILD, &avp, NULL));
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_PRIORITY_LEVEL:
CHECK_FCT(s6a_parse_priority_level(hdr, &ptr->priority_level));
break;
case AVP_CODE_PRE_EMPTION_CAPABILITY:
CHECK_FCT(s6a_parse_pre_emp_capability(hdr, &ptr->pre_emp_capability));
break;
case AVP_CODE_PRE_EMPTION_VULNERABILITY:
CHECK_FCT(s6a_parse_pre_emp_vulnerability(hdr, &ptr->pre_emp_vulnerability));
break;
default:
return -1;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
int avp_search_child ( struct avp * msg, struct dict_object * what, struct avp ** avp )
{
struct avp * nextavp;
struct dict_avp_data dictdata;
struct avp_hdr *avp_dst;
TRACE_ENTRY("%p %p %p", msg, what, avp);
*avp = NULL;
CHECK_FCT( fd_dict_getval(what, &dictdata) );
/* Loop on all top AVPs */
CHECK_FCT( fd_msg_browse(msg, MSG_BRW_FIRST_CHILD, (void *)&nextavp, NULL) );
while (nextavp) {
CHECK_FCT( fd_msg_avp_hdr( nextavp, &avp_dst ) );
if ( (avp_dst->avp_code == dictdata.avp_code) && (avp_dst->avp_vendor == dictdata.avp_vendor) ) {
break;
}
/* Otherwise move to next AVP in the message */
CHECK_FCT( fd_msg_browse(nextavp, MSG_BRW_NEXT, (void *)&nextavp, NULL) );
}
if (avp)
*avp = nextavp;
if (avp && nextavp) {
struct dictionary * dict;
CHECK_FCT( fd_dict_getdict( what, &dict) );
CHECK_FCT_DO( fd_msg_parse_dict( nextavp, dict, NULL ), /* nothing */ );
}
if (avp || nextavp)
return 0;
else
return ENOENT;
}
static inline
int s6a_parse_apn_configuration(struct avp *avp_apn_conf_prof, apn_configuration_t *apn_config)
{
struct avp *avp = NULL;
struct avp_hdr *hdr;
CHECK_FCT(fd_msg_browse(avp_apn_conf_prof, MSG_BRW_FIRST_CHILD, &avp, NULL));
while(avp) {
CHECK_FCT(fd_msg_avp_hdr(avp, &hdr));
switch(hdr->avp_code) {
case AVP_CODE_CONTEXT_IDENTIFIER:
apn_config->context_identifier = hdr->avp_value->u32;
break;
case AVP_CODE_SERVED_PARTY_IP_ADDRESS:
if (apn_config->nb_ip_address == 2) {
DevMessage("Only two IP addresses can be provided");
}
CHECK_FCT(s6a_parse_ip_address(hdr, &apn_config->ip_address[apn_config->nb_ip_address]));
apn_config->nb_ip_address++;
break;
case AVP_CODE_PDN_TYPE:
CHECK_FCT(s6a_parse_pdn_type(hdr, &apn_config->pdn_type));
break;
case AVP_CODE_SERVICE_SELECTION:
CHECK_FCT(s6a_parse_service_selection(hdr, apn_config->service_selection,
&apn_config->service_selection_length));
break;
case AVP_CODE_EPS_SUBSCRIBED_QOS_PROFILE:
CHECK_FCT(s6a_parse_eps_subscribed_qos_profile(avp, &apn_config->subscribed_qos));
break;
case AVP_CODE_AMBR:
CHECK_FCT(s6a_parse_ambr(avp, &apn_config->ambr));
break;
}
/* Go to next AVP in the grouped AVP */
CHECK_FCT(fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL));
}
return 0;
}
