/*
 * Copyright (c) 2019, ARM Limited, All Rights Reserved
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mbed.h"
#include "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"
#include "multihoming_tests.h"

using namespace utest::v1;



namespace {
int result_ok;
int result_no_mem;
int result_dns_failure;
int result_exp_timeout;
}



void MULTIHOMING_SYNCHRONOUS_DNS()
{

    result_ok = 0;
    result_no_mem = 0;
    result_dns_failure = 0;
    result_exp_timeout = 0;

    for (unsigned int i = 0; i < MBED_CONF_APP_DNS_TEST_HOSTS_NUM; i++) {
        SocketAddress address;

        for (unsigned int interface_index = 0; interface_index < MBED_CONF_MULTIHOMING_MAX_INTERFACES_NUM; interface_index++) {
            NetworkInterface  *interface = get_interface(interface_index);
            if (interface == NULL) {
                continue;
            }

            for (unsigned int j = 0; j < interface_num; j++) {

                nsapi_error_t err = interface->gethostbyname(dns_test_hosts[i], &address, NSAPI_UNSPEC, interface_name[j]);
                printf("DNS: query  interface_name %s %d \n", interface_name[j], j);

                if (err == NSAPI_ERROR_OK) {
                    result_ok++;
                    printf("DNS: query OK \"%s\" => \"%s\"\n", dns_test_hosts[i], address.get_ip_address());
                } else if (err == NSAPI_ERROR_DNS_FAILURE) {
                    result_dns_failure++;
                    printf("DNS: query \"%s\" => DNS failure\n", dns_test_hosts[i]);
                } else if (err == NSAPI_ERROR_TIMEOUT) {
                    result_exp_timeout++;
                    printf("DNS: query \"%s\" => timeout\n", dns_test_hosts[i]);
                } else if (err == NSAPI_ERROR_NO_MEMORY) {
                    result_no_mem++;
                    printf("DNS: query \"%s\" => no memory\n", dns_test_hosts[i]);
                } else {
                    printf("DNS: query \"%s\" => %d, unexpected answer\n", dns_test_hosts[i], err);
                    TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_NO_MEMORY || err == NSAPI_ERROR_DNS_FAILURE || err == NSAPI_ERROR_TIMEOUT);
                }
            }
        }
    }
}