Example #1
0
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;
}
Example #2
0
/* Callback for incoming Test-Request messages */
static int ta_tr_cb( struct msg ** msg, struct avp * avp, struct session * sess, void * opaque, enum disp_action * act)
{
	struct msg *ans, *req;
    struct avp * src = NULL;
    struct avp_hdr * hdr = NULL;
    UsageServerSession* mi;
	
	TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act);
	
	if (msg == NULL)
		return EINVAL;
	
	/* Value of Origin-Host */
    fprintf(stderr, "Request received from ");
    CHECK_FCT( fd_msg_search_avp ( *msg, ta_origin_host, &src) );
    if (src) {
        CHECK_FCT( fd_msg_avp_hdr( src, &hdr ) );
        fprintf(stderr, "'%.*s'", (int)hdr->avp_value->os.len, hdr->avp_value->os.data);
    } else {
        fprintf(stderr, "no_Origin-Host");
    }
    fprintf(stderr, ", replying...\n");
	
    //get or create the session/session state

    req = *msg;
	/* Create answer header */
	CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) );
    ans = *msg;

    d_req_type reqType;

    //get the op type
    CHECK_FCT( fd_msg_search_avp ( req, ta_avp_optype, &src) );
    CHECK_FCT( fd_msg_avp_hdr( src, &hdr )  );
    reqType = hdr->avp_value->i32;
    if (reqType==d_start){
        //create the session state
        mi= usageserver_session_alloc();
        mi->leftQuota = DUMMY_INIT_QUOTA;
    }else{
        //get the session state
        fd_sess_state_retrieve(ta_cli_reg, sess, &mi);
    }

    if (reqType!=d_start){//for update, stop, need to update the leftQuota
        //update the left quota in session state, according to the used quota avp in req
        CHECK_FCT( fd_msg_search_avp ( req, ta_avp_usedQuota, &src) );
        CHECK_FCT( fd_msg_avp_hdr( src, &hdr )  );
        uint64_t usedQuota = hdr->avp_value->u64;
        if (mi->leftQuota>=usedQuota){
            mi->leftQuota-=usedQuota;
        }else{
            fprintf(stderr, "fatal, the used should not be larger then the granted last time.");
            mi->leftQuota=0;
        }
    }
    if (reqType!=d_stop){//for start, update, need to reply with grantedQuota
        //set the granted quota AVP according to requested quota and left quota in session state
        CHECK_FCT( fd_msg_search_avp ( req, ta_avp_requestQuota, &src) );
        CHECK_FCT( fd_msg_avp_hdr( src, &hdr )  );
        uint64_t reqAmt = hdr->avp_value->u64;
        uint64_t grantAmt=0;
        if (mi->leftQuota>=reqAmt){
            grantAmt = reqAmt;
        }else{
            grantAmt = mi->leftQuota;
        }
        hdr->avp_value->u64 = grantAmt;
        CHECK_FCT( fd_msg_avp_new ( ta_avp_grantedQuota, 0, &avp ) );
        CHECK_FCT( fd_msg_avp_setvalue( avp, hdr->avp_value ) );
        CHECK_FCT( fd_msg_avp_add( ans, MSG_BRW_LAST_CHILD, avp ) );
        fprintf(stderr, "add granted quota avp, %llu.\n", grantAmt);
    }
    fprintf(stderr, "session:leftQuota:%llu\n", mi->leftQuota);
    
	/* Set the Origin-Host, Origin-Realm, Result-Code AVPs */
	CHECK_FCT( fd_msg_rescode_set( ans, "DIAMETER_SUCCESS", NULL, NULL, 1 ) );
    
    //save the session state
    fd_sess_state_store(ta_cli_reg, sess, &mi);
    
    /* Send the answer */
	CHECK_FCT( fd_msg_send( msg, NULL, NULL ) );

	return 0;
}
Example #3
0
/* Callback for incoming Base Accounting Accounting-Request messages */
static int acct_cb( struct msg ** msg, struct avp * avp, struct session * sess, void * opaque, enum disp_action * act)
{
	struct msg * m;
	struct avp * a = NULL;
	struct avp_hdr * art=NULL, *arn=NULL; /* We keep a pointer on the Accounting-Record-{Type, Number} AVPs from the query */
	struct acct_record_list rl;
	
	TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act);
	if (msg == NULL)
		return EINVAL;
	
	m = *msg;
	
	/* Prepare a new record list */
	CHECK_FCT( acct_rec_prepare( &rl ) );
	
	/* Maps the AVPs from the query with this record list */
	CHECK_FCT( acct_rec_map( &rl, m ) );
	
	/* Check that at least one AVP was mapped */
	CHECK_FCT( acct_rec_validate( &rl ) );
	
	/* Now, save these mapped AVPs in the database */
	CHECK_FCT( acct_db_insert( &rl ) );
	
	acct_rec_empty( &rl );
	
	/* OK, we can send a positive reply now */
	
	/* Get Accounting-Record-{Number,Type} values */
	CHECK_FCT( fd_msg_search_avp ( m, acct_dict.Accounting_Record_Type, &a) );
	if (a) {
		CHECK_FCT( fd_msg_avp_hdr( a, &art )  );
	}
	CHECK_FCT( fd_msg_search_avp ( m, acct_dict.Accounting_Record_Number, &a) );
	if (a) {
		CHECK_FCT( fd_msg_avp_hdr( a, &arn )  );
	}
	
	/* Create the answer message */
	CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) );
	m = *msg;

	/* Set the Origin-Host, Origin-Realm, Result-Code AVPs */
	CHECK_FCT( fd_msg_rescode_set( m, "DIAMETER_SUCCESS", NULL, NULL, 1 ) );
	
	/* Add the mandatory AVPs in the ACA */
	if (art) {
		CHECK_FCT( fd_msg_avp_new ( acct_dict.Accounting_Record_Type, 0, &a ) );
		CHECK_FCT( fd_msg_avp_setvalue( a, art->avp_value ) );
		CHECK_FCT( fd_msg_avp_add( m, MSG_BRW_LAST_CHILD, a ) );
	}
	if (arn) {
		CHECK_FCT( fd_msg_avp_new ( acct_dict.Accounting_Record_Number, 0, &a ) );
		CHECK_FCT( fd_msg_avp_setvalue( a, arn->avp_value ) );
		CHECK_FCT( fd_msg_avp_add( m, MSG_BRW_LAST_CHILD, a ) );
	}
	
	/* Send the answer */
	*act = DISP_ACT_SEND;
	return 0;
}