void Pgw::handle_downlink_udata(Packet pkt, UdpClient &sgw_s5_client) {
uint64_t imsi;
uint32_t s5_uteid_dl;
string ue_ip_addr;
bool res;
ue_ip_addr = g_nw.get_dst_ip_addr(pkt);
imsi = get_imsi(0, 0, ue_ip_addr);
if (imsi == 0) {
TRACE(cout << "pgw_handledownlinkudata:" << " :zero imsi " << pkt.gtp_hdr.teid << " " << pkt.len << ": " << imsi << endl;)
return;
void Sgw::handle_modify_bearer(struct sockaddr_in src_sock_addr, Packet pkt) {
uint64_t imsi;
uint32_t s1_uteid_dl;
uint32_t s11_cteid_mme;
uint8_t eps_bearer_id;
string enodeb_ip_addr;
int enodeb_port;
bool res;
imsi = get_imsi(11, pkt.gtp_hdr.teid);
if (imsi == 0) {
TRACE(cout << "sgw_handlemodifybearer:" << " :zero imsi " << pkt.gtp_hdr.teid << " " << pkt.len << ": " << imsi << endl;)
void Sgw::handle_modify_bearer(struct sockaddr_in src_sock_addr, Packet pkt) {
uint64_t imsi;
uint32_t s1_uteid_dl;
uint32_t s11_cteid_mme;
uint8_t eps_bearer_id;
string enodeb_ip_addr;
int enodeb_port;
bool res;
//cout<<" In "<<pkt.gtp_hdr.teid;
imsi = get_imsi(11, pkt.gtp_hdr.teid);
if (imsi == 0) {
//Added by trisahl
s11_cteid_mme = pkt.gtp_hdr.teid;
res = true;
pkt.clear_pkt();
pkt.append_item(res);
cout<<"\n Handled modify:"<<s11_cteid_mme<<endl;
pkt.prepend_gtp_hdr(2, 2, pkt.len, s11_cteid_mme);
s11_server.snd(src_sock_addr, pkt);
return;
//Added done by trisahl
TRACE(cout << "sgw_handlemodifybearer:" << " :zero imsi " << pkt.gtp_hdr.teid << " " << pkt.len << ": " << imsi << endl;)
static int dcca_cb( struct msg ** msg, struct avp * avp, struct session * sess, void * opaque, enum disp_action * act)
{
struct msg * m;
struct avp_hdr * val_app_id = NULL, * val_rt = NULL, * val_rn = NULL, * val_io = NULL, * val_oo = NULL, *val_imsi = NULL;
struct avp *groupedavp = NULL, *groupedavp2 = NULL;
union avp_value validity_time, total_octets, result_code, rating_group;
struct avp * a = NULL, * aa = NULL;
int input_octets = 0, output_octets = 0;
char* imsi = NULL;
LOG_N("CCR processor");
TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act);
if (msg == NULL)
return EINVAL;
// // Read AVPs from request
//
// CHECK_FCT( dcca_read_avps_from_message(*msg) );
// Read AVPs
CHECK_FCT( dcca_cb_read(msg, dcca_dict.Auth_Application_Id, &val_app_id) );
CHECK_FCT( dcca_cb_read(msg, dcca_dict.CC_Request_Type, &val_rt) );
CHECK_FCT( dcca_cb_read(msg, dcca_dict.CC_Request_Number, &val_rn) );
// Read IMSI
CHECK_FCT( get_imsi(*msg, &a) );
if (a) {
CHECK_FCT( fd_msg_avp_hdr( a, &val_imsi ) );
int len = val_imsi->avp_value->os.len;
imsi = malloc(len * sizeof(char));
int i;
for (i = 0; i < len; i++) {
imsi[i] = val_imsi->avp_value->os.data[i];
}
imsi[len] = 0;
}
// Read Input / Output Octets
CHECK_FCT( fd_msg_search_avp ( *msg, dcca_dict.Multiple_Services_Credit_Control, &a) );
if (a) {
CHECK_FCT( avp_search_child ( a, dcca_dict.Used_Service_Unit, &a) );
if (a) {
CHECK_FCT( avp_search_child ( a, dcca_dict.CC_Input_Octets, &aa) );
if (aa) {
CHECK_FCT( fd_msg_avp_hdr( aa, &val_io ) );
input_octets = val_io->avp_value->i32;
}
CHECK_FCT( avp_search_child ( a, dcca_dict.CC_Output_Octets, &aa) );
if (aa) {
CHECK_FCT( fd_msg_avp_hdr( aa, &val_oo ) );
output_octets = val_oo->avp_value->i32;
}
}
}
LOG_N("IMSI: %s", imsi);
LOG_N("IN: %i", input_octets);
LOG_N("OUT: %i", output_octets);
// Create response message
CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) );
m = *msg;
CHECK_FCT( fd_msg_rescode_set( m, "DIAMETER_SUCCESS", NULL, NULL, 1 ) );
// Put params to response
CHECK_FCT( dcca_cb_put(m, dcca_dict.Auth_Application_Id, val_app_id) );
CHECK_FCT( dcca_cb_put(m, dcca_dict.CC_Request_Type, val_rt) );
CHECK_FCT( dcca_cb_put(m, dcca_dict.CC_Request_Number, val_rn) );
// Multiple Services CC Group
total_octets.i64 = rest_api_vsca(imsi, input_octets, output_octets);
CHECK_FCT( fd_msg_avp_new ( dcca_dict.Multiple_Services_Credit_Control, 0, &groupedavp ) );
// Granted Service Unit
CHECK_FCT( fd_msg_avp_new ( dcca_dict.Granted_Service_Unit, 0, &groupedavp2 ) );
CHECK_FCT( dcca_cb_put_value_to_avp(groupedavp2, dcca_dict.CC_Total_Octets, &total_octets) );
CHECK_FCT( fd_msg_avp_add( groupedavp, MSG_BRW_LAST_CHILD, groupedavp2 ) );
// Result code
result_code.i32 = 2001;
CHECK_FCT( dcca_cb_put_value_to_avp(groupedavp, dcca_dict.Result_Code, &result_code) );
// Rating group
rating_group.i32 = 1001;
CHECK_FCT( dcca_cb_put_value_to_avp(groupedavp, dcca_dict.Rating_Group, &rating_group) );
// Validity Time
validity_time.i32 = 60;
CHECK_FCT( dcca_cb_put_value_to_avp(groupedavp, dcca_dict.Validity_Time, &validity_time) );
CHECK_FCT( fd_msg_avp_add( m, MSG_BRW_LAST_CHILD, groupedavp ) );
// Send the answer
*act = DISP_ACT_SEND;
return 0;
}
